CN111401917B - Filter element detection method, water treatment device and computer-readable storage medium - Google Patents

Abstract

The invention provides a filter element false identification method, a water treatment device and a computer readable storage medium, wherein the filter element is provided with a hidden false identification pattern, and the method comprises the following steps: acquiring a filter element image containing the fake identifying pattern in a display state; decoding the fake identifying pattern by using a prestored decoding table to obtain a product code corresponding to the fake identifying pattern; and comparing the product code of the filter element with a prestored code database, and sending a verification passing signal when the comparison result is consistent so as to enable the filter element to operate. In the technical scheme of the application, the fake identifying pattern is hidden in the filter element image, so that the fake identifying pattern is not easy to perceive by naked eyes, the pattern is decoded by a corresponding device with a prestored decoding table, the imitation threshold of the filter element in the prior art is further improved, in addition, the filter element can work only on the premise that the product coding information of the filter element is consistent with the coding information in the database, and the anti-counterfeiting capacity of the filter element is further improved.

Description

Filter element detection method, water treatment device and computer-readable storage medium

Technical field

The present invention relates to the field of filter element counterfeiting identification, and specifically, to a filter element counterfeiting identification method, a water treatment device and a computer-readable storage medium.

Background technique

There are two methods for detecting counterfeiting of filter elements in the prior art. One is barcode authentication technology, and the other is QR code authentication technology. Both of these technologies set the code in a very obvious position on the product for convenience. The user obtains the encoding information and then obtains the relevant parameters of the filter element. But this is also a double-edged sword. Easy to obtain, it also means easy to counterfeit. Criminals can learn the relevant parameters of the filter element by scanning the barcode or QR code, and can imitate the filter element with very cheap manufacturing equipment and a very simple manufacturing process.

Therefore, how to improve the ability to detect counterfeit filter elements and raise the threshold for counterfeit filter elements has become an urgent problem to be solved.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art.

To this end, a first aspect of the present invention proposes a method for detecting counterfeiting of a filter element.

A second aspect of the invention proposes a water treatment device.

A third aspect of the invention provides a computer-readable storage medium.

In view of this, the first aspect of the present invention provides a method for detecting counterfeiting of a filter element. The filter element has a steganographic authentication pattern, which includes: obtaining an image of the filter element in a display state containing the authentication pattern; using a pre-stored decoding table The counterfeiting identification pattern is decoded to obtain the product code corresponding to the counterfeiting identification pattern; the product code of the filter element is compared with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to operate.

In a method for identifying counterfeiting of a filter element provided by the present invention, firstly, an identification pattern is added to the filter element image in a steganographic manner, and the obtained identification pattern is decoded through a pre-stored decoding table, so as to facilitate Obtain the product code with product parameter information corresponding to the counterfeit identification pattern, and then compare the obtained product code of the filter element with the coding data pre-stored in the database. If the product code of the filter element is consistent with the coding data in the database, Then a verification pass signal is sent to the device body where the filter element is located, so that the filter element can work normally. Otherwise, a verification failure signal is sent to the device body where the filter element is located, so that the filter element cannot work normally. This technical solution hides the counterfeiting pattern in the filter image, so it is not easily detectable by the naked eye. Even if the location of the counterfeiting pattern is known through other means, the products contained in the counterfeiting pattern cannot be analyzed by scanning the code, and must The pattern is decoded through the corresponding device with a pre-stored decoding table, thereby raising the threshold for imitation and effectively preventing unscrupulous merchants from counterfeiting a certain brand of filter element products. In addition, this solution only has the product coding information and database of the filter element. The filter element can only work if the coding information in the filter element is consistent, thereby improving the anti-counterfeiting ability of the filter element, effectively preventing the situation that unauthorized filter elements can also work normally, and ensuring to a certain extent the market share of the device body where the filter element is located. Rate.

In addition, the filter element identification method in the above technical solution provided by the present invention also has the following additional technical features:

In the above technical solution, preferably, the filter element also has a steganographic identification pattern, wherein the identification pattern is continuous with the counterfeiting identification pattern; the filter element image also includes the identification pattern in the display state; when the identification pattern is obtained in the displaying state After the filter element image, and before using the pre-stored decoding table to decode the counterfeit identification pattern to obtain the product code corresponding to the counterfeit identification pattern, it also includes: using the pre-stored identification pattern to compare with the filter element image, positioning the identification pattern in The first position in the filter element image; locate the counterfeiting pattern according to the first position.

In this technical solution, the position of the identification pattern is located through the steganographic identification pattern contained in the filter element image that is continuous with the identification pattern. Specifically, the pre-stored identification pattern is first compared with the filter element image, and then based on Compare the situation to locate the specific position of the steganographic logo pattern in the filter image, and finally locate the specific position of the counterfeiting pattern based on this specific position, so that the device with a pre-stored decoding table can later be used to identify the counterfeiting pattern. For decoding, the identification pattern in this technical solution can be an image in the shape of a number or an image in the form of a letter, or a combination of the two.

In any of the above technical solutions, preferably, when the judgment result is negative, a warning signal is issued.

In this technical solution, when the product code of the filter element is inconsistent with the coding data in the database, a verification failure signal is sent to the device body where the filter element is located, and a warning signal is also sent to remind the user that the filter element is not original or not. The filter element authorized by the original manufacturer cannot work properly, resulting in the device body using this filter element being unable to achieve its original function.

In any of the above technical solutions, preferably, the step of acquiring a filter element image with the authentication pattern in a displayed state specifically includes: acquiring a filter element image with the authentication pattern in a displayed state every preset time interval.

In this technical solution, a period of time is preset so that an image of the filter element with the authentication pattern in the displayed state is obtained every interval of the period of time, so as to monitor whether the filter element has been replaced by the user after being used for a period of time. It has become a filter element of another brand, thereby promptly notifying the device body where the filter element is located to promptly control the filter element to stop working, so as to avoid affecting the normal operation of the device body due to quality problems of the filter element after a period of use, and also to avoid users having to safeguard their rights. Sometimes there is a situation where filter element manufacturers are wrangling.

In any of the above technical solutions, preferably, the authentication pattern is a pattern generated by object identifier encoding software.

In this technical solution, the counterfeiting pattern is generated through object identifier encoding software. Specifically, the object identifier encoding software is used to encode the filter element, and then the code is hidden into the filter element image through special printing software to form the final Filter element image with a counterfeiting identification pattern. This technical solution can quickly and effectively form a counterfeiting identification pattern that can be hidden in the filter element image, so that the human eye cannot detect the difference between the filter element image with the counterfeiting identification pattern and the ordinary filter element image. The difference is to prevent users or criminals from replacing other brands of cheap filter elements by deliberately destroying the authentication pattern. Preferably, OID (Object Identifier) encoding software is used, in which OID uses a hierarchical tree structure to globally unambiguously and uniquely name any type of object (including entity objects, virtual objects, conforming objects, etc.).

A second aspect of the present invention provides a water treatment device, including: a filter element with a steganographic identification pattern; a collection device for acquiring an image of the filter element containing the identification pattern in a displayed state; a controller to control The device is connected to the collection device and is used to decode the counterfeit identification pattern using a pre-stored decoding table to obtain the product code corresponding to the counterfeit identification pattern; compare the product code of the filter element with the pre-stored coding database. When the results are consistent, a verification pass signal is sent to allow the filter element to operate.

In a water treatment device of the present invention, it includes a filter element, a collection device and a controller. First, a counterfeit identification pattern is added to the filter element image in a steganographic manner, and then the acquisition device is used to collect the filter element image and send it to the controller. , and decode the obtained counterfeit identification pattern through the pre-stored decoding table in the controller, so as to obtain the product code with product parameter information corresponding to the counterfeit identification pattern, and then obtain the product of the filter element The code is compared with the coded data pre-stored in the database. If the product code of the filter element is consistent with the coded data in the database, a verification pass signal is fed back to the controller so that the controller can control the filter element to work normally. Otherwise, it is fed back to the controller. The signal that fails to pass the verification will cause the controller to stop the filter element from working. This technical solution hides the counterfeiting pattern in the filter image, so it is not easily detectable by the naked eye. Even if the location of the counterfeiting pattern is known through other means, the products contained in the counterfeiting pattern cannot be analyzed by scanning the code, and must The pattern is decoded through the corresponding device with a pre-stored decoding table, thereby raising the threshold for imitation and effectively preventing unscrupulous merchants from counterfeiting a certain brand of filter element products. In addition, this solution only has the product coding information and database of the filter element. The filter element can only work if the coding information in the filter element is consistent, thereby improving the anti-counterfeiting ability of the filter element, effectively preventing the situation that unauthorized filter elements can also work normally, and ensuring to a certain extent the market share of the device body where the filter element is located. Rate.

In addition, the water treatment device in the above technical solution provided by the present invention also has the following additional technical features:

In the above technical solution, preferably, the filter element also has a steganographic identification pattern, the identification pattern is continuous with the counterfeit identification pattern, and the filter element image also includes the identification pattern in the display state; the controller is also configured to: use the pre-stored identification pattern The pattern is compared with the filter element image to locate the first position of the identification pattern in the filter element image; and the counterfeiting identification pattern is positioned according to the first position.

In this technical solution, the position of the identification pattern is located through the steganographic identification pattern contained in the filter element image that is continuous with the identification pattern. Specifically, the controller first uses its internal pre-stored identification pattern and the filter element image to perform Compare, and then locate the specific position of the steganographic logo pattern in the filter element image according to the comparison situation, and finally locate the specific position of the counterfeit identification pattern based on this specific position, so as to facilitate the later use of a device with a pre-stored decoding table To decode the identification pattern, the identification pattern in this technical solution can be a single number or letter, or a combination of both.

In any of the above technical solutions, preferably, the controller is also configured to: when the judgment result is negative, send a warning signal to control the warning device of the water treatment device to send the warning message.

In this technical solution, when the controller verifies that the product code of the filter element is inconsistent with the coding data in the database, the controller will send a verification failure signal to the water treatment device where the filter element is located, and also send a warning signal. , the warning device that controls the water treatment device sends out a warning message to remind the user that this filter element is not the original or original factory-authorized filter element, and therefore cannot work properly, which in turn causes the water treatment device using this filter element to be unable to achieve its original functions.

In any of the above technical solutions, preferably, the controller is specifically configured to: acquire a filter element image in which the counterfeiting identification pattern is displayed every preset time interval.

In this technical solution, a period of time is preset in the controller so that an image of the filter element in which the authentication pattern sent by the collection device is displayed is acquired every interval of this period of time, so as to monitor whether the filter element The user has replaced the filter element with another brand of filter element after using it for a period of time, so as to promptly notify the water treatment device where the filter element is located to promptly control the filter element to stop working, so as to avoid affecting the device body due to quality problems of the filter element after a period of use. The normal operation of the filter element can also prevent users from arguing with the filter element manufacturer when safeguarding their rights.

In any of the above technical solutions, preferably, the controller is also configured to: receive control parameters of the collection device, and control the operation of the collection device according to the control parameters, so that the collection device obtains the filter element image with the counterfeiting pattern displayed.

In this technical solution, the control device controls the acquisition device to collect the filter element image with the counterfeiting identification pattern in the displayed state in real time based on the control parameters received from the acquisition device. Using this technical solution, the filter element image containing the counterfeiting identification pattern can be collected in real time. In order to monitor in real time whether the filter element has been replaced by another brand of filter element by the user after being used for a period of time.

In any of the above technical solutions, preferably, the counterfeiting pattern is a pattern generated by object identifier encoding software; and the collection device is an object identifier dedicated image recognition camera.

In this technical solution, the counterfeiting pattern is generated through object identifier encoding software. Specifically, the object identifier encoding software is used to encode the filter element, and then the code is hidden into the filter element image through special printing software to form the final Filter element image with a counterfeiting identification pattern. This technical solution can quickly and effectively form a counterfeiting identification pattern that can be hidden in the filter element image, so that the human eye cannot detect the difference between the filter element image with the counterfeiting identification pattern and the ordinary filter element image. The difference is to prevent users or criminals from replacing other brands of cheap filter elements by deliberately destroying the authentication pattern. Preferably, OID (Object Identifier) encoding software is used, in which OID uses a hierarchical tree structure to globally unambiguously and uniquely name any type of object (including entity objects, virtual objects, conforming objects, etc.). In addition, the collection device is a special image recognition camera for object identifiers. Only by using this special image recognition camera can the effective collection of the filter element image containing the counterfeiting pattern be achieved, thus preventing the theft of the encoded information in the filter element image containing the counterfeiting pattern. Pick.

A third aspect of the present invention provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the control method of the water treatment device in any of the above technical solutions is implemented. Therefore, the computer can Reading the storage medium includes all the beneficial effects of the control method of the water treatment device in any of the above technical solutions.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of the drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

Figure 1 shows a schematic flow chart of a filter element authentication method according to one embodiment of the present invention;

Figure 2 shows a schematic flow chart of a filter element authentication method according to another embodiment of the present invention;

Figure 3 shows a schematic flow chart of a method for detecting counterfeiting of a filter element according to yet another embodiment of the present invention;

Figure 4 shows a schematic flow chart of a filter element identification method according to yet another embodiment of the present invention;

Figure 5 shows a schematic flow chart of a filter element authentication method according to yet another embodiment of the present invention;

Figure 6 shows a schematic diagram of the principle of reading the code constituting the authentication pattern through the collection device and controller of the water treatment device according to one embodiment of the present invention;

Figure 7 shows a schematic structural diagram of the encoding constituting the authentication pattern according to one embodiment of the present invention;

Figure 8 shows a printing method and effect display diagram of a counterfeit identification pattern according to one embodiment of the present invention;

Figure 9 shows a schematic structural diagram of a water treatment device collection device according to one embodiment of the present invention;

Figure 10 shows a schematic flow chart of an invisible anti-counterfeiting method applied to a filter element of a water treatment device according to the present invention;

Figure 11 shows a schematic structural block diagram of a water treatment device according to an embodiment of the present invention.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, as long as there is no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. Limitations of Examples.

An embodiment of the first aspect of the present invention provides a filter element authentication method for authenticating the filter element of a water treatment device. Figure 1 shows a schematic flowchart of a method for identifying counterfeiting of a filter element according to an embodiment of the present invention. Among them, the filter element identification methods include:

S102, obtain the filter element image with the counterfeiting identification pattern in the displayed state;

S104, use the pre-stored decoding table to decode the counterfeit identification pattern to obtain the product code corresponding to the counterfeit identification pattern;

S106: Compare the product code of the filter element with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to operate.

In this embodiment, the counterfeiting pattern is first added to the filter image in a steganographic manner, and the obtained counterfeiting pattern is decoded through a pre-stored decoding table, so as to obtain the counterfeiting pattern corresponding to the counterfeiting pattern. product code with product parameter information, and then compare the obtained product code of the filter element with the coding data pre-stored in the database. If the product code of the filter element is consistent with the coding data in the database, the filter element will be sent to the device body where the filter element is located. Send a verification pass signal so that the filter element can work normally; otherwise, send a verification failure signal to the device body where the filter element is located, so that the filter element cannot work normally. This technical solution hides the counterfeiting pattern in the filter image, so it is not easily detectable by the naked eye. Even if the location of the counterfeiting pattern is known through other means, the products contained in the counterfeiting pattern cannot be analyzed by scanning the code, and must The pattern is decoded through the corresponding device with a pre-stored decoding table, thereby raising the threshold for imitation and effectively preventing unscrupulous merchants from counterfeiting a certain brand of filter element products. In addition, this solution only has the product coding information and database of the filter element. The filter element can only work if the coding information in the filter element is consistent, thereby improving the anti-counterfeiting ability of the filter element, effectively preventing the situation that unauthorized filter elements can also work normally, and ensuring to a certain extent the market share of the device body where the filter element is located. Rate.

FIG. 2 shows a schematic flowchart of a method for detecting counterfeiting of a filter element according to another embodiment of the present invention. Among them, the filter element identification methods include:

S202, obtain the filter element image with the counterfeiting identification pattern in the displayed state;

S204, the filter element image also has a steganographic logo pattern, where the logo pattern is continuous with the counterfeit identification pattern. Use the pre-stored logo pattern to compare with the filter element image, and locate the first position of the logo pattern in the filter element image. According to The first position locates the counterfeiting identification pattern;

S206, use the pre-stored decoding table to decode the counterfeit identification pattern to obtain the product code corresponding to the counterfeit identification pattern;

S208: Compare the product code of the filter element with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to operate.

In this embodiment, the position of the identification pattern is located through the steganographic identification pattern contained in the filter element image that is continuous with the identification pattern. Specifically, the pre-stored identification pattern is first compared with the filter element image, and then based on Compare the situation to locate the specific position of the steganographic logo pattern in the filter image, and finally locate the specific position of the counterfeiting pattern based on this specific position, so that the device with a pre-stored decoding table can later be used to identify the counterfeiting pattern. For decoding, the identification pattern in this technical solution can be a single number or letter, or a combination of both.

Figure 3 shows a schematic flowchart of a filter element authentication method according to yet another embodiment of the present invention. Among them, the filter element identification methods include:

S302, obtain the filter element image with the counterfeiting identification pattern in the displayed state;

S304, the filter element image also has a steganographic logo pattern, where the logo pattern is continuous with the counterfeit identification pattern, and the pre-stored logo pattern is compared with the filter element image to locate the first position of the logo pattern in the filter element image; according to The first position locates the counterfeiting identification pattern;

S306, use the pre-stored decoding table to decode the counterfeiting identification pattern to obtain the product code corresponding to the counterfeiting identification pattern;

S308: Compare the product code of the filter element with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to run. When the comparison results are inconsistent, a warning signal is issued.

In this embodiment, when the product code of the filter element is inconsistent with the coding data in the database, a verification failure signal is sent to the device body where the filter element is located, and a warning signal is also sent to remind the user that the filter element is not original or not. The filter element authorized by the original manufacturer cannot work properly, resulting in the device body using this filter element being unable to achieve its original function.

FIG. 4 shows a schematic flowchart of a method for detecting counterfeiting of a filter element according to another embodiment of the present invention. Among them, the filter element identification methods include:

S402: Obtain the filter element image with the counterfeiting identification pattern in the displayed state every preset time interval;

S404, the filter element image also has a steganographic logo pattern, where the logo pattern is continuous with the counterfeit identification pattern, and the pre-stored logo pattern is compared with the filter element image to locate the first position of the logo pattern in the filter element image; according to The first position locates the counterfeiting identification pattern;

S406, use the pre-stored decoding table to decode the counterfeiting identification pattern to obtain the product code corresponding to the counterfeiting identification pattern;

S408: Compare the product code of the filter element with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to run; when the comparison results are inconsistent, a warning signal is issued.

In this embodiment, a period of time is preset so that an image of the filter element with the authentication pattern in the displayed state is obtained every interval of the period of time, so as to monitor whether the filter element has been replaced by the user after being used for a period of time. It has become a filter element of another brand, thereby promptly notifying the device body where the filter element is located to promptly control the filter element to stop working, so as to avoid affecting the normal operation of the device body due to quality problems of the filter element after a period of use, and also to avoid users having to safeguard their rights. Sometimes there is a situation where filter element manufacturers are wrangling.

Figure 5 shows a schematic flowchart of a filter element authentication method according to another embodiment of the present invention. Among them, the filter element identification methods include:

S502: Obtain the filter element image with the counterfeiting identification pattern in the displayed state every preset time interval. The counterfeiting identification pattern is a pattern generated by the object identifier encoding software;

S504, the filter element image also has a steganographic logo pattern, where the logo pattern is continuous with the counterfeit identification pattern, and the pre-stored logo pattern is compared with the filter element image to locate the first position of the logo pattern in the filter element image; according to The first position locates the counterfeiting identification pattern;

S506, use the pre-stored decoding table to decode the counterfeit identification pattern to obtain the product code corresponding to the counterfeit identification pattern;

S508: Compare the product code of the filter element with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to run; when the comparison results are inconsistent, a warning signal is issued.

In this embodiment, the counterfeiting pattern is generated through object identifier encoding software. Specifically, the object identifier encoding software is used to encode the filter element, and then the code is hidden into the filter element image through special printing software to form the final Filter element image with a counterfeiting identification pattern. This technical solution can quickly and effectively form a counterfeiting identification pattern that can be hidden in the filter element image, so that the human eye cannot detect the difference between the filter element image with the counterfeiting identification pattern and the ordinary filter element image. The difference is to prevent users or criminals from replacing other brands of cheap filter elements by deliberately destroying the authentication pattern.

In one embodiment of the present invention, Figure 6 shows a printing method and effect display of a counterfeiting image according to an embodiment of the present invention. As shown in Figure 6, the counterfeiting image is printed on C, M and Y At the bottom of the layer, that is, when printing the K layer (black coating), the counterfeiting image is printed on the bottom layer, and C (blue), M (magenta) and Y (yellow) are printed to form a printing pattern, using C (blue) The occlusion effect of color), M (magenta) and Y (yellow) realizes the steganography of counterfeiting images. Specifically, as shown in Figure 6, the display image of the counterfeiting image in the display state.

Figure 6 shows a schematic diagram of the principle of reading the code constituting the identification pattern through the collection device and controller of the water treatment device according to one embodiment of the present invention. As shown in Figure 6, first, the collection device is used to collect the image of the filter element And send it to the controller, and then decode the obtained counterfeit identification pattern through the pre-stored decoding table in the controller, so as to obtain the product code with product parameter information corresponding to the counterfeit identification pattern, and then get The product code of the filter element is compared with the code data pre-stored in the database.

Figure 7 shows a schematic diagram of the collection structure of a collection device according to an embodiment of the present invention.

Figure 8 shows a schematic diagram of the collection structure of a collection device according to another embodiment of the present invention. As shown in Figures 7 and 8, the collection device is powered by a power supply from a storage medium (EEPROM, electrically erasable programmable only). Read the memory) to call the control signal to control the infrared light-emitting diode to emit light and illuminate the filter element. The dot image (K layer) printing ink will absorb infrared rays, and the optical scanning head will pass the dot image (K layer) printing ink through the C-MOS lens. The image in the display state is scanned and output to a microcontroller (DSP, digital signal processor, digital signal processor) or (MCU, MicroControlUnit, micro control unit), so that the filter element can be authenticated based on the obtained authentication image.

Figure 9 shows a schematic structural diagram of the code constituting the authentication pattern according to an embodiment of the present invention. As shown in Figure 9, the black origins are located in the four quadrants of the two-dimensional coordinate system. When the black origins are located in the two When the black origin is in the third quadrant of the two-dimensional coordinate system, it represents the binary code "00"; when the black origin is in the third quadrant of the two-dimensional coordinate system, it represents the binary code "01"; when the black origin is in the second quadrant of the two-dimensional coordinate system , represents the binary code "10"; when the black origin is located in the first quadrant of the two-dimensional coordinate system, it represents the binary code "11". Compile through the combination of "00", "01", "10" and "11" to generate a counterfeit identification pattern of the filter element.

Figure 10 shows a flow diagram of an invisible anti-counterfeiting method applied to a filter element of a water treatment device according to the present invention. As shown in Figure 10, in one embodiment of the present invention, the implementation process of the invisible anti-counterfeiting method for a filter element is as follows :

S602, OID collection parameter setting;

S604, read invisible code information once every hour;

S606: Determine whether it matches the preset product information. If the judgment result is yes, execute S610; otherwise, execute S608.

The filter element is ID-coded through OID coding software, and then the code is hidden in the color printing drawing of the filter element through special printing software. From the appearance, the printed pictures are no different from normal pictures. A special OID sensor is required to identify the coding pattern hidden in the printed image. The OID sensor is installed on the host. When an anti-counterfeiting filter element is installed on the host, the OID can identify the filter element code and then notify the host control board to perform an anti-counterfeiting query on it. If it is an authorized filter element, it can be allowed to work. If If the filter element is illegal, it will stop working.

In an embodiment of the second aspect of the present invention, a water treatment device is provided. Figure 11 shows a schematic block diagram of a water treatment device according to the present invention, wherein the water treatment device 700 includes: a filter element 702. On the filter element 702 Having a steganographic identification pattern; a collection device 704 for obtaining an image of the filter element 702 with the verification pattern in a displayed state; a controller 706 connected to the collection device 704 for using a pre-stored decoding table pair The counterfeiting identification pattern is decoded to obtain the product code corresponding to the counterfeiting identification pattern; the product code of the filter element 702 is compared with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element 702 to operate.

In a water treatment device of the present invention, it includes a filter element 702, a collection device 704 and a controller 706. First, a counterfeiting pattern is added to the image of the filter element 702 in a steganographic manner, and then the collection device 704 is used to collect the filter element 702 The image is sent to the controller 706, and the obtained counterfeit authentication pattern is decoded through the pre-stored decoding table in the controller 706, so as to obtain the product code with product parameter information corresponding to the counterfeit authentication pattern, The obtained product code of the filter element 702 is compared with the coded data pre-stored in the database. If the product code of the filter element 702 is consistent with the coded data in the database, a verification pass signal is fed back to the controller 706 so that the controller 706 can control the filter element 702 to work normally, otherwise it will feed back a verification failure signal to the controller 706 so that the controller 706 controls the filter element 702 to stop working. This technical solution hides the counterfeiting pattern in the filter element 702 image, so it is not easily detectable by the naked eye. Even if the location of the counterfeiting pattern is known through other means, the products contained in the counterfeiting pattern cannot be analyzed by scanning the code. The pattern must be decoded through a corresponding device with a pre-stored decoding table, thereby raising the threshold for counterfeiting to effectively prevent unscrupulous merchants from counterfeiting a certain brand of filter element 702 products. In addition, this solution only uses the product code of the filter element 702 The filter element 702 can only work if the information is consistent with the coded information in the database, thereby improving the anti-counterfeiting capability of the filter element 702, effectively preventing the filter element 702 from being able to work normally without authorization, and ensuring that the filter element 702 can operate normally to a certain extent. The market share of the device body where 702 is located.

In one embodiment of the present invention, the filter element 702 also has a steganographic identification pattern, the identification pattern is continuous with the counterfeiting identification pattern, and the image of the filter element 702 also includes the identification pattern in the display state; the controller 706 is also used to: use preset The stored identification pattern is compared with the image of the filter element 702, and the identification pattern is located at the first position in the image of the filter element 702; the counterfeiting pattern is located based on the first position.

In this embodiment, the position of the counterfeiting pattern is located through the steganographic identification pattern contained in the image of the filter element 702 that is continuous with the counterfeiting pattern. Specifically, the controller 706 first uses its internal pre-stored identification pattern to match the filter element. 702 images are compared, and then the specific position of the steganographic logo pattern in the filter element 702 image is located according to the comparison situation, and finally the specific position of the authentication pattern is located based on this specific position, so as to facilitate later use of the pre-stored identification pattern. The device of the decoding table decodes the counterfeit identification pattern. The identification pattern in this technical solution can be a single number or letter, or a combination of both.

In one embodiment of the present invention, the controller 706 is also configured to: when the judgment result is no, send a warning signal to control the warning device of the water treatment device to send the warning message.

In this embodiment, when the controller 706 verifies that the product code of the filter element 702 is inconsistent with the coding data in the database, the controller 706 will send a verification failure signal to the water treatment device where the filter element 702 is located, along with a A warning signal is sent to control the warning device of the water treatment device to send out a warning message to remind the user that this filter element 702 is not the original or original factory-authorized filter element 702, and therefore cannot work properly, which in turn causes the water treatment device to use this filter element 702 Its original function cannot be realized.

In one embodiment of the present invention, the controller 706 is specifically configured to: acquire an image of the filter element 702 in which the counterfeiting identification pattern is displayed every preset time interval.

In this embodiment, a period of time is preset in the controller 706 so that the image of the filter element 702 with the authentication pattern in the display state sent by the acquisition device 704 is acquired every interval of this period of time to facilitate monitoring. Whether the filter element 702 has been replaced by another brand of filter element 702 by the user after being used for a period of time, so as to promptly notify the water treatment device where the filter element 702 is located to promptly control the filter element 702 to stop working, so as to avoid failure of the filter element 702 after a period of use. The quality problems of 702 will affect the normal operation of the device body, and it can also avoid the quarrel between the filter element 702 manufacturer and the user when safeguarding their rights.

In one embodiment of the present invention, the controller 706 is also used to: receive the control parameters of the collection device 704, and control the operation of the collection device 704 according to the control parameters, so that the collection device 704 obtains the filter element 702 with the authentication pattern in the display state. image.

In this embodiment, the control device controls the acquisition device 704 to collect the image of the filter element 702 in which the authentication pattern is displayed in real time according to the control parameters received from the acquisition device 704. This technical solution can be used to collect the image containing the authentication pattern in real time. The image of the filter element 702 is used to monitor in real time whether the filter element 702 has been replaced by another brand of filter element 702 by the user after being used for a period of time.

In any of the above embodiments, the counterfeiting pattern is a pattern generated by the object identifier encoding software; the collection device 704 is a dedicated image recognition camera for the object identifier.

In this embodiment, the counterfeiting pattern is generated through object identifier encoding software. Specifically, the object identifier encoding software is used to encode the filter element 702, and then the code is hidden into the image of the filter element 702 through special printing software to form The final image of the filter element 702 with the authentication pattern. This technical solution can quickly and effectively form the authentication pattern that can be hidden in the image of the filter element 702, so that the human eye cannot detect the image of the filter element 702 with the authentication pattern and the ordinary image. The difference between the images of the filter element 702 is to prevent users or criminals from replacing other brands of cheap filter elements 702 by deliberately destroying the identification pattern. Preferably, OID (Object Identifier) encoding software is used, where OID uses a hierarchical tree structure to globally unambiguously name any type of object (including entity objects, virtual objects, conforming objects, etc.), uniquely. In addition, the acquisition device 704 is a dedicated image recognition camera for the object identifier. Only by using this dedicated image recognition camera can the image of the filter element 702 containing the authentication pattern be effectively acquired, thereby preventing coding in the image of the filter element 702 containing the authentication pattern. Information stolen.

In an embodiment of the third aspect of the present invention, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the pseudo method of filter element identification as in any of the above embodiments is implemented, Therefore, the computer-readable storage medium includes all the beneficial effects of the filter element authentication method in any of the above embodiments.

In the description of the present invention, the term "plurality" refers to two or more than two. Unless otherwise clearly defined, the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on that shown in the drawings. The orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; The terms "connection", "installation", "fixing", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or through an intermediate connection. Media are indirectly connected. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the description of the present invention, the terms "one embodiment," "some embodiments," "specific embodiments," etc., mean that a particular feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In the present invention, schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. A method for identifying counterfeiting of a filter element, used in a water treatment device, characterized in that the filter element has a steganographic identification pattern, and the method includes: Obtain a filter element image containing the counterfeiting identification pattern in a displayed state; Use a pre-stored decoding table to decode the counterfeit identification pattern to obtain the product code corresponding to the counterfeit identification pattern; Compare the product code of the filter element with the pre-stored coding database. When the comparison results are consistent, a verification pass signal is sent to enable the filter element to operate. Otherwise, a verification failure signal is sent to the device body where the filter element is located. So that the filter element cannot work properly; The step of obtaining the filter element image with the counterfeit identification pattern in a displayed state specifically includes: Obtain the filter element image with the counterfeiting identification pattern in the displayed state every preset time interval; The filter element also has a steganographic identification pattern, and the identification pattern is an image in the form of a number or an image in the form of a letter, or a combination of an image in the shape of a number and an image in the form of a letter, wherein the identification pattern is in conjunction with the authentication The patterns are continuous; the filter element image also includes a logo pattern in the display state; After obtaining the filter element image in which the counterfeiting authentication pattern is displayed, and before decoding the counterfeiting authentication pattern using a prestored decoding table to obtain the product code corresponding to the counterfeiting authentication pattern, include: Use the pre-stored identification pattern to compare with the filter element image, and locate the first position of the identification pattern in the filter element image; Position the counterfeiting identification pattern according to the first position; The counterfeiting identification pattern is a pattern generated by object identifier encoding software. 2. The filter element authentication method according to claim 1, characterized in that when the judgment result is negative, a warning signal is issued. 3. A water treatment device, characterized in that it includes: A filter element with a steganographic identification pattern on the filter element; An acquisition device, used to acquire an image of the filter element that contains the counterfeiting identification pattern in a displayed state; A controller, the controller is connected to the collection device and is used to decode the counterfeit identification pattern using a pre-stored decoding table to obtain the product code corresponding to the counterfeit identification pattern; Compare the product code of the filter element with a pre-stored coding database, and when the comparison results are consistent, send a verification pass signal to enable the operation of the filter element; The controller is specifically used for: Obtain the filter element image with the counterfeiting identification pattern in the displayed state every preset time interval; The filter element also has a steganographic identification pattern. The identification pattern is an image in the form of a number, an image in the form of letters, or a combination of an image in the form of a number and an image in the form of letters. The identification pattern is consistent with the authentication pattern. Continuously, the filter element image also includes a logo pattern in a display state; The controller is also configured to: use a pre-stored identification pattern to compare with the filter element image, and locate the first position of the identification pattern in the filter element image; The counterfeiting authentication pattern is positioned according to the first position, and the counterfeiting authentication pattern is a pattern generated by object identifier encoding software. 4. The water treatment device according to claim 3, wherein the controller is further configured to: when the judgment result is negative, send a warning signal to control the warning device of the water treatment device to send out warning information. 5. The water treatment device according to claim 3, characterized in that the controller is also used for: Receive the control parameters of the collection device, and control the operation of the collection device according to the control parameters, so that the collection device obtains the filter element image in which the counterfeiting identification pattern is displayed. 6. The water treatment device according to claim 3, characterized in that the collection device is an image recognition camera dedicated to object identifiers. 7. A computer-readable storage medium on which a program is stored, characterized in that when the program is executed by a processor, the steps of the method according to claim 1 or 2 are implemented.