TWI774087B - Water cleaner capable of detecting the position of a water filter and method thereof - Google Patents

Abstract

The invention provides a water cleaner capable of detecting the position of a water filter and a detection method are provided. The water cleaner includes a body, a wireless reading device and a control circuit. The body has a plurality of receiving grooves for installing a plurality of water filters. The control circuit and the wireless reading device are arranged on the body. The control circuit wirelessly acquires the tag information of the water filters installed in the receiving groove through the wireless reading device. Then the control circuit controls the water cleaner according to the tag information. Thereby, the present invention can make the water cleaner work effective and normal.

Description

Water purifier capable of detecting the position of filter core and detection method thereof

The invention relates to a water purifier, in particular to a water purifier capable of replacing multiple filter cores and a detection method thereof.

The quality of drinking water will affect people's health, so related products of water purifiers are constantly being introduced. In order to effectively improve the ability of the existing water purifier to filter impurities in the water, the quality of drinking water can meet the high standard requirements through multi-filter multi-channel filtration procedures. However, because the materials used for each filter element are different, the installation sequence of each filter element is specified to ensure that after the water flowing into the water purifier is filtered by these filter elements in a certain order, the final water output from the water purifier can meet the regulations. . However, some of these filters have the same pore size, so the filters can easily be installed in the wrong location.

The technical problem to be solved by the present invention is to provide a water purifier and a detection method which can detect the position of the filter core, and can detect whether the installation position of the filter core is correct, aiming at the deficiencies of the prior art.

An embodiment of the present invention provides a water purifier capable of detecting the position of a filter core, including a body, a wireless reading device and a control circuit. The main body has a plurality of accommodating grooves for installing a plurality of filter elements. The control circuit and the wireless reading device are arranged on the main body, and the control circuit is electrically connected to the wireless reading device; wherein the control circuit obtains a plurality of label information of the filter cores installed in the receiving grooves through the wireless sensing of the wireless reading device, and The obtained label information is used as the basis for controlling the water outlet function of the water purifier.

An embodiment of the present invention provides a method for detecting the position of a filter element of a water purifier, comprising the steps of: when a plurality of filter elements are installed in a plurality of accommodating grooves of a water purifier, wireless sensing through a wireless reading device acquires the position of the filter elements installed in the accommodating grooves and the obtained label information is used as the basis for controlling the water outlet function of the water purifier.

To sum up, the water purifier and the detection method thereof that can detect the position of the filter core provided by the embodiments of the present invention can quickly determine whether the filter core is correctly installed in the correct position by obtaining the label information of the filter core through the wireless induction method, and at the same time. Determine whether the filter is in normal use, so that the water purifier can provide high-quality water for use.

For a further understanding of the features and technical content of the present invention, please refer to the following detailed descriptions and drawings of the present invention. However, the drawings provided are only for reference and description, and are not intended to limit the present invention.

The following are specific specific examples to illustrate the embodiments of the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content provided in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to the actual size, and are stated in advance. The following embodiments will further describe the related technical contents of the present invention in detail, but the provided contents are not intended to limit the protection scope of the present invention.

It should be understood that although terms such as "first", "second" and "third" may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are primarily used to distinguish one element from another, or a signal from another. In addition, the term "or", as used herein, should include any one or a combination of more of the associated listed items as the case may be.

Embodiments of the present invention provide a water purifier capable of detecting the position of a filter core and a detection method thereof. The water purifier described herein is a filter core capable of installing a plurality of different filter materials. In order to avoid the wrong installation position of the filter elements, the present invention assigns each filter element with identification tag information, and installs the wireless reading device on the water purifier, so that the water purifier can sense wirelessly through the wireless reading device. Scan to get the label information of each filter.

It is also worth noting that, in order to correctly distinguish the filters at different positions, the wireless reading device can obtain the tag information at different distances from the wireless reading device by outputting reading signals with different reading powers multiple times. The water dispenser can use the tag information obtained by the wireless reading device as the basis for whether the water outlet function is turned on or off. Therefore, the present invention can effectively ensure that the water purifying function of the water purifier is functioning normally.

An example of installing 3 filters in a water purifier

Please refer to FIGS. 1A and 1B respectively. FIG. 1A is an exploded schematic diagram of a water purifier that can detect the position of a filter element according to an embodiment of the present invention, and FIG. 1B is a schematic diagram of a combination of a water purifier that can detect the position of a filter element according to an embodiment of the present invention. . The water purifier 1 that can detect the position of the filter core described in this embodiment includes, but is not limited to, a main body 10 , a control circuit 12 and a wireless reading device 14 , for example. The wireless reading device 14 and the control circuit 12 are respectively disposed at appropriate positions of the main body 10 , and the control circuit 12 is electrically connected to the wireless reading device 14 .

One side of the main body 10 is provided with a plurality of accommodating grooves, and these accommodating grooves are respectively used for the installation of a plurality of filter elements, so that the water flowing into the main body 10 can be filtered by these filter elements to provide clean water for use. The structure and control method of how the main body 10 provides the filtered water source is known to those skilled in the art, so it will not be described in detail here. In this embodiment, the accommodating groove includes a first accommodating groove 101 , a second accommodating groove 102 and a third accommodating groove 103 , and the filter core includes a first filter core 21 , a second filter core 22 and a third filter core 23 . Further, the first filter core 21 is, for example, a PP+CARBON filter core, the second filter core 22 is, for example, an RO filter core, and the third filter core 23 is, for example, a CARBON filter core, but not limited thereto.

It is worth noting that, in order to effectively confirm the identity information of each filter, in this embodiment, tags that can be read by wireless induction are respectively set at appropriate positions of each filter, and these tags individually carry the tag information of the relative filter identity. .

In one embodiment, the tag is, for example, a radio frequency identification tag (RFID Tag). As shown in FIG. 1A , the first filter element 21 is provided with a first radio frequency identification tag 31 , and the first radio frequency identification tag 31 carries first tag information for identifying the identity of the first filter element 21 . The second filter core 22 is provided with a second radio frequency identification tag 32 , and the second radio frequency identification tag 32 carries second tag information for identifying the identity of the second filter core 22 . The third filter core 23 is provided with a third radio frequency identification tag 33 , and the third radio frequency identification tag 33 carries third tag information for identifying the identity of the third filter core 23 . The pore size of the second filter element 22 is larger than that of the first filter element 21, and the pore size of the first filter element 21 and the third filter element 23 are the same, but not limited thereto.

During normal installation, the first filter element 21 is installed in the first accommodating groove 101 , the second filter element 22 is installed in the second accommodating groove 102 , and the third filter element 23 is installed in the third accommodating groove 103 . In addition, the accommodating aperture of the second accommodating groove 102 illustrated here is larger than the accommodating aperture of the first accommodating groove 101, and the accommodating aperture of the first accommodating groove 101 is equal to the accommodating aperture of the third accommodating groove 103, so the first filter element 21 and the third filter element 23 may be installed incorrectly due to the same accommodating aperture.

In one embodiment, the wireless reading device 14 reads the label information installed on the filter cores in each receiving tank in a wireless induction manner according to the control of the control circuit 12, and the control circuit 12 determines each filter core according to the obtained label information. Is it installed in the correct position in the accommodating slot? When the installation positions of the filter elements are correct, the control circuit 12 controls the water purifier 1 to enable the water outlet function. And if any filter element is installed in the wrong position, the control circuit 12 controls the water purifier 1 to close the water outlet function.

In addition, the control circuit 12 illustrated here does not scan and read all the tag information at one time, but controls the reading power of the wireless reading device 14 during the changing process from small to large. The reading signal covers the change of the area from small to large, and then confirms whether the corresponding filter core installation position of the label information obtained by each scan is correct one by one. The wireless reading device 14 may be, for example, a radio frequency identification tag reader (RFID Reader), but is not limited thereto.

It is also worth noting that the distances between the tags provided after each filter element is installed in the accommodating groove and the wireless reading device 14 are not all the same. Specifically, the distances between at least two of these tags and the wireless reading device 14 are different from each other, and the wireless reading device 14 can read at least one of these tags with a small reading power but does not include The total number of tags, and at least two of these tags can be read by the wireless reading device with high read power. That is to say, the number of these tags that the wireless reading device 14 can read with a lower reading power is smaller than the number of these tags that the wireless reading device 14 can read with a higher reading power.

Please refer to Figure 2. FIG. 2 is a flow chart for detecting the position of a filter core of a water purifier according to an embodiment of the present invention. The flowchart shown in FIG. 2 is exemplified by the structure of FIG. 1A and FIG. 1B , but not limited thereto. The flow shown in FIG. 2 includes the following steps.

In step S201, the read power is set as the first read power. Here, the reading power of the wireless reading device 14 is set as the first reading power through the control circuit 12 .

In step S203, scan with the first read power. Here, the wireless reading device 14 uses the first reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S205, it is determined whether the scanning result is correct. According to the tag information obtained in step S203, it is determined whether there is preset tag information corresponding to the first read power.

In step S207, the read power is set as the second read power. When the determination in step S205 is correct, the control circuit 12 sets the read power of the wireless reading device 14 as the second read power.

In step S209, scan with the second read power. Here, the wireless reading device 14 uses the second reading power to wirelessly sense to scan and obtain the label information installed on the filter elements of each receiving groove.

In step S211, it is determined whether the scanning result is correct. According to the tag information obtained in step S209, it is determined whether there is preset tag information corresponding to the second read power.

In step S213, turn on. When step S211 is determined to be yes, it means that all the filter elements have accommodating grooves installed in the correct corresponding positions, so the control circuit 12 controls the water outlet function of the water purifier 1 to be on, that is, the water outlet function of the water purifier 1 can provide personnel Do it yourself.

In step S215, it is turned off. When it is determined in step S205 or S211 that it is otherwise, it means that the filter element is not installed in the receiving tank of the correct corresponding position, so the control circuit 12 controls the water outlet function of the water purifier 1 to be turned off, that is, the water outlet function of the water purifier 1 cannot be provided. Personnel operate by themselves.

For example, the preset tag information corresponding to the first read power is the first tag information and the second tag information. The preset tag information corresponding to the second read power is the first tag information, the second tag information and the third tag information. And the first reading power is lower than the second reading power, and the scanning coverage range of the wireless reading device 14 with the first reading power includes the positions where the RFID tags are arranged in the first accommodating slot 101 and the second accommodating slot 102 . The scanning coverage range of the wireless reading device 14 with the second reading power includes the positions where the radio frequency identification tags are arranged in the first accommodating groove 101 , the second accommodating groove 102 and the third accommodating groove 103 .

Therefore, when the wireless reading device 14 wirelessly senses with the first reading power to scan to obtain the first tag information and the second tag information, and when the wireless reading device 14 wirelessly senses with the second reading power to scan and obtain the first tag information When the label information, the second label information and the third label information are used, it can be determined that the installation positions of all the filter elements are correct, so the water purifier 1 can normally open the water outlet function for personnel to operate and use.

In addition, when the wireless reading device 14 uses the first reading power to wirelessly sense to obtain the first tag information and the third tag information, since the third tag information is not the second default tag in the default tag information, so It can be determined that the installation position of the filter element is not correct, and the water purifier 1 turns off the water outlet function at this time.

Alternatively, when the wireless reading device 14 wirelessly senses with the first reading power to scan to obtain the first tag information and the second tag information, and when the wireless reading device 14 wirelessly senses with the second reading power to scan and obtain the first tag information Label information and second label information, it can be determined that the installation position of the filter element is not correct, and the water purifier 1 turns off the water outlet function at this time.

An example of installing 4 filters in a water purifier

Please refer to FIGS. 3A and 3B respectively. FIG. 3A is an exploded schematic diagram of a water purifier that can detect the position of a filter element according to an embodiment of the present invention, and FIG. 3B is a schematic diagram of a combination of a water purifier that can detect the position of a filter element according to an embodiment of the present invention. . The water purifier 3 that can detect the position of the filter core described in this embodiment includes, but is not limited to, the main body 10 , the control circuit 12 and the wireless reading device 14 , for example. The wireless reading device 14 and the control circuit 12 are respectively disposed at appropriate positions of the main body 10 , and the control circuit 12 is electrically connected to the wireless reading device 14 . Compared with FIGS. 1A and 1B , the embodiment shown in FIGS. 3A and 3B is provided with one more accommodating groove and one filter element, that is, 4 accommodating grooves and 4 filter elements are provided in FIGS. 3A and 3B . The accommodating groove in the embodiment includes a first accommodating groove 101, a second accommodating groove 102, a third accommodating groove 103 and a fourth accommodating groove 104, and the filter core includes a first filter core 21, a second filter core 22, and a third filter core 23 and the fourth filter core 24, only the different parts are described here.

In one embodiment, the tag is, for example, a radio frequency identification tag (RFID Tag). As shown in FIG. 3A , the first filter element 21 is provided with a first radio frequency identification tag 31 , and the first radio frequency identification tag 31 carries first tag information for identifying the identity of the first filter element 21 . The second filter core 22 is provided with a second radio frequency identification tag 32 , and the second radio frequency identification tag 32 carries second tag information for identifying the identity of the second filter core 22 . The third filter core 23 is provided with a third radio frequency identification tag 33 , and the third radio frequency identification tag 33 carries third tag information for identifying the identity of the third filter core 23 . The fourth filter core 24 is provided with a fourth radio frequency identification tag 34 , and the fourth radio frequency identification tag 34 carries a fourth tag information for identifying the identity of the fourth filter core 24 . The apertures of the first filter core 21 , the second filter core 22 , the third filter core 23 and the fourth filter core 24 are all the same, but not limited thereto.

In the normal installation process, the first filter element 21 is installed in the first accommodating tank 101, the second filter element 22 is installed in the second accommodating tank 102, the third filter element 23 is installed in the third accommodating tank 103 and the fourth filter element 24 is installed in the fourth receiving groove 104 . Since the pore size of each filter element is the same, installation errors may occur.

It is also worth noting that the distances between the tags provided after each filter element is installed in the accommodating groove and the wireless reading device 14 are not all the same. In this embodiment, the distances between each tag and the wireless reading device 14 are different from each other, that is to say, when the wireless reading device 14 can read the number of these tags with a lower reading power, the number of tags is smaller than that of the wireless reading device 14 . These tags can be read with high read power.

Please refer to Figure 4. FIG. 4 is a flow chart for detecting the position of a filter core of a water purifier according to an embodiment of the present invention. The flowchart shown in FIG. 4 is exemplified by the structure of FIG. 3A and FIG. 3B , but not limited thereto. The flow shown in FIG. 4 includes the following steps.

In step S401, the read power is set as the first read power. Here, the reading power of the wireless reading device 14 is set as the first reading power through the control circuit 12 .

In step S403, scanning is performed with the first reading power. Here, the wireless reading device 14 uses the first reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S405, it is determined whether the scanning result is correct. It is determined according to the tag information obtained in step S403 whether there is preset tag information corresponding to the first reading power.

In step S407, the read power is set as the second read power. The determination in step S405 is yes, and the read power of the wireless reading device 14 is set as the second read power through the control circuit 12 .

In step S409, scan with the second read power. Here, the wireless reading device 14 uses the second reading power to wirelessly sense to scan and obtain the label information installed on the filter elements of each receiving groove.

In step S411, it is determined whether the scanning result is correct. It is determined according to the tag information obtained in step S409 whether there is preset tag information corresponding to the second read power.

In step S413, the read power is set as the third read power. When the determination in step S411 is yes, the control circuit 12 sets the reading power of the wireless reading device 14 as the third reading power.

In step S415, scan with the third reading power. Here, the wireless reading device 14 uses the third reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S417, it is determined whether the scanning result is correct. According to the tag information obtained in step S415, it is determined whether there is preset tag information corresponding to the third reading power.

In step S419, the read power is set as the fourth read power. When the determination in step S417 is YES, the control circuit 12 sets the reading power of the wireless reading device 14 as the fourth reading power.

In step S421, scan with the fourth reading power. In this wireless reading device, the fourth reading power is used for wireless sensing to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S423, it is determined whether the scanning result is correct. It is determined according to the tag information obtained in step S421 whether there is preset tag information corresponding to the fourth reading power.

In step S425, it is turned on. When step S423 is determined to be yes, it means that all the filter cores have accommodating grooves installed in the correct corresponding positions, so the control circuit 12 controls the water outlet function of the water purifier 3 to be turned on, that is, the water outlet function of the water purifier 3 can be provided by the personnel themselves. operate.

In step S427, it is closed. When it is determined in step S405, S411, S417 or S423 that it is otherwise, it means that the filter element is not installed in the receiving tank of the correct corresponding position, so the control circuit 12 controls the water outlet function of the water purifier 3 to be off, that is, the water outlet of the water purifier 3 is closed. The function does not provide people with self-operation.

For example, the preset tag information corresponding to the first read power is the first tag information. The preset tag information corresponding to the second read power is the first tag information and the second tag information. The preset tag information corresponding to the third reading power is the first tag information, the second tag information and the third tag information. The preset tag information corresponding to the fourth reading power is the first tag information, the second tag information, the third tag information and the fourth tag information. The first read power is smaller than the second read power, the second read power is smaller than the third read power, and the third read power is smaller than the fourth read power. The scanning coverage range of the wireless reading device 14 with the first reading power includes the position where the radio frequency identification tag is arranged in the first accommodating slot 101 , and the scanning covering range of the wireless reading device 14 with the second reading power includes the first accommodating slot 10 . and the position where the radio frequency identification tag is arranged in the second accommodating groove 102 . The scanning coverage range of the wireless reading device 14 with the third reading power includes the positions where the radio frequency identification tags are arranged in the first accommodating groove 101 , the second accommodating groove 102 and the third accommodating groove 103 . The scanning coverage range of the wireless reading device 14 with the fourth reading power includes the positions where the RFID tags are arranged in the first accommodating groove 101 , the second accommodating groove 102 , the third accommodating groove 103 and the fourth accommodating groove 104 .

Therefore, when the wireless reading device 14 wirelessly senses with the first reading power to scan to obtain the first tag information, and the wireless reading device 14 wirelessly senses with the second reading power to scan and obtain the first tag information and the second tag information, When the wireless reading device 14 uses the third reading power to wirelessly sense to obtain the first tag information, the second tag information and the third tag information, the wireless reading device 14 uses the fourth reading power to wirelessly sense to obtain the first tag information by scanning. When the label information, the second label information, the third label information and the fourth label information are used, it can be determined that all the filter elements are installed in the correct position, so the water purifier can normally open the water outlet function for personnel to operate and use.

In addition, when the wireless reading device 14 uses the first reading power, the second reading power, the third reading power or the fourth reading power to obtain the relative preset tag information by wireless induction without scanning, it can be determined that there is The installation position of the filter element is not correct. At this time, the water purifier 3 turns off the water outlet function.

An embodiment of installing multiple wireless reading devices in a water purifier

Please refer to FIG. 5A and FIG. 5B respectively. FIG. 5A is an exploded schematic diagram of a water purifier that can detect the position of a filter element according to an embodiment of the present invention, and FIG. 5B is a schematic diagram of a combination of a water purifier that can detect the position of a filter element according to an embodiment of the present invention. . The water purifier 5 that can detect the position of the filter core described in this embodiment includes, but is not limited to, the main body 10 , the control circuit 12 and the wireless reading device, for example. The wireless reading device described herein is exemplified by the first wireless reading device 15 and the second wireless reading device 16 . The first wireless reading device 15 , the second wireless reading device 16 and the control circuit 12 are respectively disposed at appropriate positions of the main body 10 , and the control circuit 12 is electrically connected to the first wireless reading device 15 and the second wireless reading device 16. Compared with the embodiment shown in FIGS. 3A and 3B , the embodiment shown in FIGS. 5A and 5B is provided with one more wireless reading device, and only the different parts are described herein. The first wireless reading device 15 and the second wireless reading device 16 may be a first RFID tag reader and a second RFID tag reader, respectively, but not limited thereto.

It is also worth noting that the distances between the tags provided after each filter element is installed in the accommodating groove and the wireless reading device are not all the same. In this embodiment, the distances between each tag and the wireless reading device are different from each other, that is to say, when the first wireless reading device 15 or the second wireless reading device 16 can read these tags with lower reading power The number of tags is smaller than that which can be read by the first wireless reading device 15 or the second wireless reading device 16 with a larger reading power. The first wireless reading device 15 and the second wireless reading device 16 are respectively disposed on different sides of the main body 10 . The first wireless reading device 15 is adjacent to the first accommodating slot 101 and the second accommodating slot 102 . The reading device 16 is adjacent to the first accommodating groove 101 and the fourth accommodating groove 104, but not limited thereto.

Please refer to Figure 6. FIG. 6 is a flow chart for detecting the position of a filter core of a water purifier according to an embodiment of the present invention. The flowchart shown in FIG. 6 is exemplified by the structure of FIG. 5A and FIG. 5B , but not limited thereto. The flow shown in FIG. 6 includes the following steps.

In step S601, the read power is set as the first read power. Here, the reading power of the first wireless reading device 15 is set as the first reading power through the control circuit 12 .

In step S603, scan with the first read power. Here, the first wireless reading device 15 uses the first reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S605, it is determined whether the scanning result is correct. According to the tag information obtained in step S603 , it is determined whether there is preset tag information corresponding to the first reading power of the first wireless reading device 15 .

In step S607, the read power is set as the first read power. When the determination in step S605 is yes, the control circuit 12 sets the read power of the second wireless reading device 16 as the first read power.

In step S609, scan with the second read power. Here, the second wireless reading device 16 uses the first reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S611, it is determined whether the scanning result is correct. According to the tag information obtained in step S609 , it is determined whether there is preset tag information corresponding to the first reading power of the second wireless reading device 16 .

In step S613, the read power is set as the second read power. When the determination in step S611 is yes, the control circuit 12 sets the read power of the first wireless reading device 15 as the second read power.

In step S615, scan with the second read power. Here, the first wireless reading device 15 uses the second reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S617, it is determined whether the scanning result is correct. According to the tag information obtained in step S615 , it is determined whether there is preset tag information corresponding to the second reading power of the first wireless reading device 15 .

In step S619, the read power is set as the second read power. When the determination in step S617 is YES, the control circuit 12 sets the read power of the second wireless reading device 16 as the second read power.

In step S621, scan with the second read power. Here, the second wireless reading device 16 uses the second reading power to wirelessly sense to scan and obtain the label information installed on the filter cores of each receiving groove.

In step S623, it is determined whether the scanning result is correct. According to the tag information obtained in step S621 , it is determined whether there is preset tag information corresponding to the second reading power of the second wireless reading device 16 .

In step S625, turn on. When step S623 is determined to be yes, it means that all the filter elements have accommodating grooves installed in the correct corresponding positions, so the control circuit 12 controls the water outlet function of the water purifier 5 to be turned on, that is, the water outlet function of the water purifier 5 can be provided by the personnel. operate.

In step S627, it is closed. When it is determined in step S605, S611, S617 or S623 that it is otherwise, it means that the filter element is not installed in the holding tank of the correct corresponding position, so the control circuit 12 controls the water outlet function of the water purifier 5 to be off, that is, the water outlet of the water purifier 5 is closed. The function does not provide people with self-operation.

For example, the preset tag information corresponding to the first reading power of the first wireless reading device 15 is the first tag information and the second tag information. The preset tag information corresponding to the second read power of the first wireless device 15 is the first tag information, the second tag information, the third tag information and the fourth tag information. The preset tag information corresponding to the first reading power of the second wireless reading device 16 is the first tag information and the fourth tag information. The preset tag information corresponding to the second read power of the second wireless device 16 is the first tag information, the second tag information, the third tag information, and the fourth tag information. The first read power is smaller than the second read power. The scanning coverage range of the first wireless reading device 15 with the first reading power includes the positions where the RFID tags are arranged in the first accommodating slot 101 and the second accommodating slot 102 , and the first wireless reading device 15 is scanning with the second reading power. The scanning coverage range includes the positions where the RFID tags are arranged in the first accommodating groove 101 , the second accommodating groove 102 , the third accommodating groove 103 and the fourth accommodating groove 104 . The scanning range of the second wireless reading device 16 with the first reading power includes the positions where the radio frequency identification tags are arranged in the first receiving slot 101 and the fourth receiving slot 104 , and the second wireless reading device 16 is scanning with the second reading power. The scanning coverage range includes the positions where the RFID tags are arranged in the first accommodating groove 101 , the second accommodating groove 102 , the third accommodating groove 103 and the fourth accommodating groove 104 .

Therefore, when the first wireless reading device 15 wirelessly senses with the first reading power to scan to obtain the first tag information and the first tag information, the second wireless reading device 16 wirelessly senses with the first reading power to scan and obtain the first tag information. A tag information and a fourth tag information, when the first wireless reading device 15 wirelessly senses the first tag information, the second tag information, the third tag information and the fourth tag information by scanning with the second reading power, the second When the wireless reading device 16 uses the second reading power to wirelessly sense to obtain the first label information, the second label information, the third label information and the fourth label information, it can be determined that the installation positions of all the filter elements are correct, so the cleaning The water device 5 can normally open the water outlet function for personnel to operate and use.

In addition, when the first wireless reading device 15 or the second wireless reading device 16 uses the first reading power or the second reading power to obtain the relative preset tag information by wireless induction without scanning, it can be determined that there is a filter The installation position is not correct, and the water purifier 5 turns off the water outlet function at this time.

In one embodiment, the control circuit 12 may be, for example, one or any combination of an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA), or a system-on-chip (SOC), and may cooperate with other related circuits components and matching firmware to achieve the above functional operations.

In one embodiment, the control circuit 12 can be electrically connected to a warning circuit (not shown), and when the control circuit 12 determines that the filter element is installed in a wrong position, the control circuit 12 can control the warning circuit to output a warning signal to inform the personnel. . Further, the warning circuit can be a sound warning circuit outputting a sound warning signal or a display warning circuit outputting a display warning signal. The audible warning circuit is, for example, a horn or a buzzer. The display warning circuit is, for example, a flat display circuit or an LED lighting circuit.

[Advantageous effects of the embodiment]

The present invention provides a water purifier that can detect the position of the filter element and the detection method thereof. By actively checking whether the installation position of each filter element is correct, it can avoid that the incorrect installation sequence of the filter element affects the filtration effect of water quality or the material of the filter element itself may be damaged. It can also effectively prevent illegal or bad filter cores without correct labels from being used improperly, whereby the water purifier provided by the present invention can effectively ensure the quality of the water outlet and the normal service life of the filter cores.

The contents provided above are only preferred feasible embodiments of the present invention, and are not intended to limit the scope of the present invention. Therefore, any equivalent technical changes made by using the contents of the description and drawings of the present invention are included in the application of the present invention. within the scope of the patent.

1, 3, 5: water purifier 10: Ontology 101: The first accommodating slot 102: Second accommodating slot 103: The third accommodating slot 104: Fourth accommodating slot 12: Control circuit 14: Wireless reading device 15: The first wireless reading device 16: Second wireless reading device 21: The first filter 22: The second filter 23: The third filter 24: Fourth filter 31: The first RFID tag 32: The first RFID tag 33: The first RFID tag 34: The first RFID tag S201: Set the read power as the first read power S203: Scan S205: Correct S207: Set the read power as the second read power S209: Scan S211: Correct S213: On S215: close S401: Set the read power as the first read power S403: Scan S405: Correct S407: Set the read power as the second read power S409: Scan S411: Correct S413: Set the read power as the third read power S415: Scan S417: Correct S419: Set the read power as the fourth read power S421: Scan S423: Correct S425: On S427: close S601: Set the reading power of the first wireless reading device as the first reading power S603: Scan S605: Correct S607: Set the read power of the second wireless reading device as the first read power S609: Scan S611: Correct S613: Set the read power of the first wireless reading device as the second read power S615: Scan S617: Correct S619: Set the read power of the second wireless reading device as the second read power S621: Scan S623: Correct S625: On S627: close

FIG. 1A is an exploded schematic diagram of a water purifier that can detect the position of a filter element according to an embodiment of the present invention.

FIG. 1B is a combined schematic diagram of a water purifier that can detect the position of a filter core provided by an embodiment of the present invention.

FIG. 2 is a flow chart for detecting the position of a filter core of a water purifier according to an embodiment of the present invention.

FIG. 3A is an exploded schematic diagram of a water purifier that can detect the position of a filter core provided by an embodiment of the present invention.

3B is a schematic diagram of a combination of a water purifier that can detect the position of a filter core provided by an embodiment of the present invention.

FIG. 4 is a flow chart for detecting the position of a filter core of a water purifier according to an embodiment of the present invention.

FIG. 5A is an exploded schematic diagram of a water purifier that can detect the position of a filter core provided by an embodiment of the present invention.

5B is a schematic diagram of a combination of a water purifier that can detect the position of a filter core provided by an embodiment of the present invention.

FIG. 6 is a flow chart for detecting the position of a filter core of a water purifier according to an embodiment of the present invention.

1: water purifier

10: Ontology

101: The first accommodating slot

102: Second accommodating slot

103: The third accommodating slot

12: Control circuit

14: Wireless reading device

21: The first filter

22: The second filter

23: The third filter

31: The first RFID tag

32: Second RFID tag

33: The third RFID tag

Claims (10)

A water purifier capable of detecting the position of a filter core, comprising: a main body with a plurality of accommodating grooves for installing a plurality of filter cores; a wireless reading device arranged in the main body; and a control circuit arranged in the main body and electrically connected to the main body The wireless reading device is sexually connected to the wireless reading device; wherein the control circuit obtains a plurality of label information of the filters installed in the receiving grooves through wireless sensing of the wireless reading device, and controls the filter according to the obtained label information. The basis of the water outlet function of the water purifier; wherein the control circuit controls the reading power of the wireless reading device from small to large, respectively, during the sequential reading process, respectively, the tag information obtained in these reading powers and the corresponding preset. The label information is compared and used as a basis for determining whether the filter elements are installed in the correct positions of the accommodating grooves. The water purifier capable of detecting the position of filter elements as claimed in claim 1, wherein when the label information obtained by the control circuit indicates that the filter elements are installed in the correct positions of the receiving grooves, the control circuit controls the purifier The water device turns on the water outlet function, and when the label information obtained by the control circuit indicates that the filter elements are installed in the accommodating positions incorrectly, the control circuit controls the water purifier to turn off the water outlet function. The water purifier capable of detecting the position of the filter core according to claim 2, wherein the control circuit controls the reading power of the wireless reading device from small to large during the sequential reading process, and the reading powers are respectively The label information obtained in the reading power is compared with the corresponding default label information. If the label information obtained in all the reading powers is correctly compared with the corresponding default label information, it is determined that the filters are installed in the containers. The position of the slot is correct, and if the label information obtained by any one of the read powers is incorrectly compared with the corresponding preset label information, it is determined that at least one of the filter cores is installed in the position of the receiving slot Incorrect. The water purifier capable of detecting the position of filter elements according to claim 2, wherein the filter elements Each of the RFID tags is attached with an RFID tag, and the distances between at least two of the RFID tags and the wireless reading device are different from each other, so that the wireless reading device uses a At least one of the RFID tags can be read when the first reading power is read, and at least two of the RFID tags can be read when the wireless reading device is read with a second reading power , wherein the second read power is greater than the first read power. The water purifier capable of detecting the position of the filter core according to claim 1, wherein the wireless reading device is a radio frequency identification tag reader (RFID Reader). The water purifier capable of detecting the position of the filter core according to claim 1, wherein the wireless reading device is a first radio frequency identification tag reader and a second radio frequency identification tag reader, wherein the first radio frequency identification tag The positions of the tag reader and the second RFID tag reader on the body are different. The water purifier capable of detecting the position of the filter core as claimed in claim 1, further comprising a warning circuit, the warning circuit is electrically connected to the control circuit, and when the control circuit determines that the obtained label information represents the installation of the filter cores When the accommodating positions are incorrect, the control circuit controls the warning circuit to output a warning signal. A method for detecting the position of a filter core of a water purifier, comprising: when a plurality of filter cores are installed in a plurality of accommodating tanks of the water purifier, wireless sensing through a wireless reading device acquires the filter cores installed in the accommodating tanks. A plurality of label information of the heart; and the obtained label information is used as a basis for controlling the water outlet function of the water purifier; wherein the reading power of the wireless reading device is sequentially read from small to large. Comparing the label information obtained from the reading powers with the corresponding preset label information and using it as a basis for determining whether the filter elements are installed in the receiving grooves correctly, wherein the second reading power is greater than the first reading power. a read power. The method for detecting the position of a filter core of a water purifier according to claim 8, wherein when obtaining The label information obtained means that when the filter elements are installed in the correct positions of the accommodating tanks, the water purifier turns on the water outlet function, and when the obtained label information indicates that the filter elements are installed in the accommodating positions incorrectly When the water purifier turns off the water outlet function and outputs a warning message. The method for detecting the position of a filter core of a water purifier according to claim 9, wherein the reading power of the wireless reading device is sequentially read from small to large, and the tags obtained in the reading power are respectively The information is compared with the corresponding preset label information. If the label information obtained from all the read powers is correctly compared with the corresponding preset label information, it is determined that the filter elements are installed in the correct positions of the receiving slots. , and if the label information obtained by any one of the read powers is incorrectly compared with the corresponding preset label information, it is determined that at least one of the filter elements is installed in the position of the receiving groove is incorrect, wherein Each of the filter cores is attached with a radio frequency identification tag, and the distances between at least two of the radio frequency identification tags and the wireless reading device are different from each other, so that the wireless reading device uses a At least one of the RFID tags can be read when the first reading power is read, and at least two of the RFID tags can be read when the wireless reading device is read with a second reading power , wherein the second read power is greater than the first read power.

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