CN102722920B - Black box - Google Patents
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- CN102722920B CN102722920B CN201110457106.0A CN201110457106A CN102722920B CN 102722920 B CN102722920 B CN 102722920B CN 201110457106 A CN201110457106 A CN 201110457106A CN 102722920 B CN102722920 B CN 102722920B
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Abstract
The invention discloses a black box. The black box has a compact main body structure, a small volume, light weight and good heat radiation. The black box is protected by multiple protection methods and thus shock-proof, electricity-proof and interference-proof capabilities are greatly improved. The black box is provided with an industrial grade main board, and can resist a high temperature and interference and continuously run for 24 hours. In a respect of data security, internal data of the black box can not be looked up without enough authority; and the black box has a safe locking function and thus an unauthorized user cannot read, copy and tamper any data of the black box without using a specialized unlocking tool. In a respect of network ensurance, in the case of routine network interruption of a station, the black box can communicate with a quality management system by a network communication module carried by the black box. In a respect of carrying convenience, if network and 3G signals do not exist in a stirring station, the black box needs to be regularly moved to an area where network signals exist so that index synchronization is realized. In a respect of intelligent protection, the black box can automatically shut down software and an operating system of its own when a power supply is interrupted accidentally, and can automatically start the operating system and the software when power is supplied again.
Description
Technical Field
The utility model relates to an industrial level equipment, specific theory, the utility model discloses a dedicated quality data and confidential data transfer, the electronic instrument of record (black box for short) among the ready-mixed concrete trade.
Background
The premixed concrete is also called commercial concrete, and the essence is that the concrete, which is a main building material, is separated from the traditional field construction in the production links from material preparation, mixing, transportation, pouring and the like, and becomes a building material commodity which is independently calculated and produced through highly specialized centralized batch production. Because the method has great benefits in the aspects of guaranteeing engineering quality, reducing energy consumption, saving construction land, improving labor conditions, reducing environmental pollution and the like, the method is highly valued by relevant government departments, and business department, public security department, construction department and traffic department jointly issue a business improvement No. 2003 341 file 10 and 16 days in 2003: since the notice of forbidding on-site concrete mixing in urban areas in limited time, the development of concrete in China formally enters the high-speed development period, particularly, the world financial crisis in 2009, the government of China invests 4 trillion capital to pull the need, the development of the concrete industry in various regions is more rapid and does not fall, a large number of investors enter the concrete industry, and the world breaks through in terms of the yield of concrete.
However, in the back of the high-speed development of the industry, since practitioners have a light concrete technology and do not have an effective quality monitoring means, the evaluation of the concrete quality by a concrete quality control system has a serious hysteresis phenomenon, the quality guarantee capability of the concrete is in a slip state, and undoubtedly, due to the complex concrete technology and the problems in the aspects of process, material, management, control means and the like, unforeseen risks and hidden dangers exist in the production quality of the concrete all the time, and the quality accidents can be caused when the risks and the hidden dangers exceed a certain limit value. Due to the irreparable property of concrete, once quality accidents happen, great loss can be caused to the lives and properties of the country and people. Such examples occur nationwide and are profound in education. There are several main reasons for this:
the ready-mixed concrete is between building construction and building materials, is a new industry, is always at the edge of the industry due to the division of the industry traditionally formed for many years, and is lack of proper policies and necessary means for the management of the industry by governments;
inherent properties of concrete: the factors and links influencing the quality are more, and the random factors are more, so that the concrete quality is difficult to be always in an effective and controlled state,
the concrete quality control in advance lacks effective methods and means, the quality inspection and acceptance are delayed (generally 28 days), which is basically equal to 'post-mortem corpse', and the loss is inevitable when problems are discovered.
For the current domestic concrete industry, the concrete quality is the most difficult root point to control by enterprises at present, so that the concrete can eliminate external conditions and interference caused by people in the process from production to use, and finally reach the quality required by design, and in order to exert investment benefit and ensure building quality to the maximum extent, all factors influencing the concrete quality, such as the concrete production material selection, analysis and storage conditions, the state when put into use, preparation technology, production process, transportation conditions, pouring conditions, construction process, maintenance conditions, weather influence and the like, must be sampled and monitored in the whole process, compared with design standard parameters in due time, and adjustment measures are provided to ensure that each batch of concrete can meet the quality requirement, and all data are transmitted to a designated data analysis and storage center through a network for analysis and early warning. And a set of complete product quality database is established to improve the controllability and traceability of the product quality.
Disclosure of Invention
The purpose of the utility model is as follows:
and a storage device (black box) for transmitting and recording quality and confidential data is established, the actual mix proportion of concrete produced each time is really recorded and stored, and once problems are found, the concrete is convenient to check and trace.
According to the problems of concrete quality, the scientific and effective prior control and storage equipment is researched vigorously, the supervision, control and measurement are carried out on main parameters (such as the reasonability of the mixing proportion, the metering deviation, the use temperature of cement mineral powder and water, the departure temperature of concrete, the slump and the like) and process links (the stirring time, the transportation time and the like) which influence the concrete quality in advance, managers can realize multi-point remote online supervision, and alarm is given immediately when the allowable deviation is exceeded so as to take corrective measures in time and prevent the next process from being shifted to.
The utility model discloses, through implementing prior supervision and control, can make concrete quality production overall process be in controlled state all the time, can reach the qualification condition under normal distribution, avoid "dead back corpse" and "sheep mortal reinforcement", be very necessary and timely to improving the concrete quality, avoiding the quality accident, reducing the evidence of loss, quality problems.
The utility model provides a technical scheme that its technical problem adopted is:
firstly, the quality monitoring system makes a uniform report encryption rule and issues the report encryption rule to a black box device of a website, when the information management system generates data related to the report according to the requirement of a report anti-counterfeiting interface agreed by both parties in the prior period, the core data of the report is transmitted to the black box device, the black box device encrypts the transmitted report core data according to the encryption rule issued by the quality monitoring system, the character string obtained after encryption is returned to the information management system and uploaded to a QCM system in the encryption process, then the information management system prints the encrypted character string on the report in a bar code form when printing the report, finally, a special code checker scanning device is equipped for a checker, the checker can scan the bar code on the report to obtain the encrypted character string by using the device, decrypts the character string to obtain the core data of the report, the examiner can identify the authenticity of the report after comparing the decomposed report core data with the data on the report, so that the method for examining the technical report by the existing supervision department is thoroughly changed, and a foundation is laid for improving the effectiveness of quality supervision.
In order to achieve the above object, the black box of the present invention comprises a wired communication interface, a wireless network communication module, a CPU, memory particles, a functional chip, a coprocessor, a motherboard, a hard disk, an instruction control module, a heat dissipation device, a power-off protection device, a security LOCK device, a data input interface, a status display and touch device, a box, an instruction control device, a power interface, an MICK/Audio interface, a VGA interface, a COM1 interface, a LOCK interface, a USB interface, a status indicator light, and a data transmission interface. The method is characterized in that: the appearance of the black box of the utility model is divided into an upper cover and a lower cover by the box body, and the upper cover placing state display and touch equipment is the first layer; the lower cover consists of two layers, and the instruction control equipment, the MICK/Audio interface, the VGA interface, the COM1 interface, the LOCK interface, the USB interface and the status indicator lamp are respectively a second layer; the wired communication interface, the wireless network communication module, the CPU, the memory particles, the functional chip, the coprocessor, the mainboard, the hard disk, the instruction control equipment, the heat dissipation device, the power-off protection device and the power interface are the third layer.
In the technical scheme, a CPU, memory particles, a functional chip, a coprocessor and a heat dissipation device are arranged on the upper portion of the mainboard, and the CPU, the memory particles, the functional chip, the coprocessor and the heat dissipation device are arranged on the same plane parallel to the mainboard; a hard disk and a power-off protection device are arranged on the right side of the mainboard; a wireless communication module is arranged on the left side of the mainboard; the hard disk, the power-off protection device, the wireless communication module and the mainboard are parallel on the same plane; a wired communication interface and a power interface are arranged on the upper side of the mainboard; instruction control equipment is arranged on the lower side of the main board; the wired communication interface, the power interface and the instruction control equipment are parallel to the mainboard and are on the same plane;
in the technical scheme, the bottom of the lower cover of the box body is padded with a special shockproof, shockproof and radiation-proof interference protective net, and related equipment which is positioned on the same horizontal plane with the main board is placed on the protective net and is fixed by special screws so as to achieve an enhanced protection effect. The main board is covered with a layer of metal plate for enhancing the internal structural strength, assisting the dispersion of internal heat and preventing electromagnetic interference; the metal plate is fixed on the mainboard and covers the CPU, the memory particles, the functional chip and the heat dissipation device.
In the technical scheme, the instruction control equipment, the MICK/Audio interface, the VGA interface, the COM1 interface, the LOCK interface, the USB interface and the status indicator lamp are arranged on the upper part of the lower cover of the box body; the instruction control equipment, the MICK/Audio interface, the VGA interface, the COM1 interface, the LOCK interface, the USB interface and the status indicator lamp are on the same plane. The MICK/Audio interface, the USB interface, the LOCK interface, the COM1 port, the VGA port and the status indicator lamp are sequentially arranged on the upper side of the instruction control equipment from left to right, wherein the MICK interface and the Audio interface are vertically arranged, the MICK interface is arranged on the upper side, and the Audio interface is arranged on the lower side; in the USB interface, the USB1 and the USB2 are arranged up and down, the upper part is a USB1 interface, and the lower part is a USB2 interface; the USB3 interface and the LOCK interface are arranged up and down, the USB3 interface is arranged above the USB3 interface, and the LOCK interface is arranged below the USB3 interface; the COM1 interface and the VGA interface are arranged up and down, the COM1 interface is arranged above the COM1 interface, and the LOCK interface is arranged below the COM1 interface; the status indicator light consists of three parts, namely a POWER indicator light, an HDD indicator light and a KB indicator light which are sequentially arranged from left to right.
In the above technical solution, the upper cover of the box body is composed of the state display and touch device and a data transmission interface; the state display is on the same plane with the touch device and the data transmission interface.
In the technical scheme, the rear panel of the lower cover of the box body is provided with four rows of heat dissipation holes, a heat dissipation device, a power supply interface and a wired communication interface, and the bottoms of the four rows of heat dissipation holes are positioned on the same horizontal plane with the cpu and the heat dissipation device; the heat dissipation device is provided with two heat dissipation holes which are respectively arranged at two sides of the four rows of heat dissipation holes; the power interface and the wired communication interface are arranged below the four rows of radiating holes, the wired communication interface is arranged on the left side, and the power interface is arranged on the right side.
In the above technical solution, the wireless communication module is a unicom WCDMA or WIFI communication module.
In the above technical solution, the box body includes: the high-strength plastic alloy box body, the handle, the buckle and the locking notch; the box body, the lifting handle, the buckle and the locking notch are all arranged on the front part of the lower cover of the box body and are positioned on the same horizontal plane; the locking notch consists of two components which are respectively arranged at the leftmost end and the rightmost end of the front part of the box body; the lifting handle is arranged in the middle of the front of the lower cover of the box body; the buckle is arranged between the handle and the locking notch.
In the technical scheme, the handle is arched, and the length, width and thickness ranges are respectively 12.2 +/-0.2 cm, 5.4 +/-0.2 cm and 2.9 +/-0.2 cm; the length-width-thickness ratio ranges from 4.2 plus or minus 0.3: 1.8 plus or minus 0.3: 1.
In the technical scheme, the buckle is in a long and wide shape, and the value ranges of the long, the wide and the high are respectively 8.5 +/-0.2 cm, 2.4 +/-0.2 cm and 1.8 +/-0.2 cm; the length-width-height ratio is in the range of 3.5 plus or minus 0.2: 1.3 plus or minus 0.2: 1.
In the technical scheme, the box body is a cuboid, and the length, width and height value ranges are respectively 32.6 +/-0.2 cm, 27.5 +/-0.2 cm and 13.9 +/-0.2 cm; the length-width-height ratio is in the range of 2.3 plus or minus 0.3: 1.9 plus or minus 0.3: 1.
In the above technical solution, the operating temperature of the power-off protection device is: -5 ℃ to 50 ℃; working humidity: 10-90% at 40 deg.C without condensation.
In the above technical solution, the parameters of the state display and touch device are as follows: 4-core resistance type; resolution ratio: 4096 × 4096; light transmittance: 76% +/-2; light transmittance: 80% -90%; operating pressure: 25g (general standard) -35 g; impedance characteristics: 300, respectively; average displacement error: 1 percent; the service life is as follows: more than 500 ten thousand times.
In the technical scheme, the quality and confidential data are acquired in real time through the wired communication interface;
in the technical scheme, the quality and confidential data are uploaded through a wired communication interface;
in the technical scheme, the quality and confidential data are uploaded through the wireless network communication module under the condition that the wired communication interface is not communicated;
the utility model has the advantages that:
the utility model has compact main structure, small volume, light weight and good heat dispersion; multiple protection modes are provided inside the box body, and the shock resistance, electricity prevention and interference prevention capabilities are greatly enhanced; the equipment is provided with the industrial-grade mainboard, so that the equipment can resist high temperature and interference and can continuously run for 24 hours, the transmission and the recording of quality data and confidential data of a technical report form of an information management system cannot be interrupted due to the instability of the equipment, and software arranged in the equipment can ensure that the system speed is not obviously influenced when the data of the information management system is extracted;
for data security aspects, it is not possible to refer to any data inside it without sufficient authorization; the device has a safety locking function, and unauthorized and non-holding special unlocking tools can not perform any operations such as viewing, copying, tampering and the like on data in the device;
in the aspect of network guarantee, under the condition that a conventional network of a station is interrupted, the black box can realize communication with a quality management system by utilizing a network communication module carried by the black box;
for the aspect of mobile portability, in a station without a network and a 3G signal at a stirring station, regular mobile equipment is required to be moved to a region with the network for index receiving and standard exceeding data uploading, and when the station where the equipment is located has quality problems, the equipment can be conveniently moved for evidence obtaining;
in the aspect of intelligent protection, the device can automatically close software and a system thereof after meeting the conditions of power failure and the like, and can automatically start an operating system and the software after a call is received.
The utility model discloses an application prospect is wide, does not receive the restriction in space and region.
From the aspect of service, the utility model combines the current situation of the existing concrete production enterprises, has sufficient foresight, provides an effective supervision and control mechanism for supervision departments, and practically and effectively controls each link concerning quality;
from the perspective of software development, the utility model has advanced development technology and stable equipment, and can provide a brand new supervision mode for the quality supervision departments of the concrete group and the concrete industry;
in the aspect of innovation, the utility model discloses a design and research and development have opened the precedent in the internal quality control field, have accomplished internal leading, the advanced level in the world.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front perspective view of an embodiment of the present invention.
Fig. 2 is a reverse perspective view of an embodiment of the present invention.
Fig. 3 is a schematic diagram of the internal hardware arrangement according to an embodiment of the present invention.
Fig. 4 is an external hardware arrangement diagram of an embodiment of the invention.
Detailed Description
In the embodiment shown in fig. 1: in order to achieve data confidentiality, a lock hole (1) is added, the aperture is 0.9 +/-0.1 cm, the black box is physically protected, and irrelevant personnel can be effectively prevented from opening the device at will; in order to achieve the portability and the bearing performance, an arched handle (3) is designed, and the value ranges of the length, the width and the thickness are respectively 12.2 +/-0.2 cm, 5.4 +/-0.2 cm and 2.9 +/-0.2 cm; the length-width-thickness ratio ranges from 4.2 +/-0.3: 1.8 +/-0.3: 1; the weight born by the utility model is fully ensured; in order to achieve the sealing property, the buckle (2) is designed, and the length, width and height value ranges are respectively 8.5 +/-0.2 cm, 2.4 +/-0.2 cm and 1.8 +/-0.2 cm; the length-width-height ratio is in the range of 3.5 +/-0.2: 1.3 +/-0.2: 1; during the use, mention buckle (2) upwards earlier, make its block tongue hook the box upper cover, then press down the knot body hard a little, make its buckle surface can, then put into lockhole (1) with special tapered end, pin box upper and lower lid, hold arched handle (3) just can be very convenient carry to each website and carry out engineering deployment and data acquisition, carry on opposite operation when needing to open can.
In the embodiment shown in fig. 2: when the black box is used, a required power supply is connected to the industrial special power interface (4) to normally supply power to the black box, and when the power is suddenly cut off, the black box can start the power-off protection device to carry out self-protection; the data transmission generally adopts a wired connection mode, is connected to a local network through a wired communication interface (2) and carries out related quality and confidential data transmission and recording, and when the wired connection mode is interrupted, the black box is automatically switched to a wireless network connection mode, so that the normal transmission performance of the data and the real-time performance of the data connection are ensured; when the black box runs for a short time, the heat generated by the black box is automatically radiated from the four rows of radiating holes (3), and when the black box runs for a long time, the radiating device (1) is started to discharge the heat when the internal heat reaches a set temperature threshold;
in the embodiment shown in fig. 3: the mainboard (1) bears the CPU (2), the coprocessor (3), the functional chip (4), the memory particles (6) and some external connection interfaces (7), which play a main role, and when the heat dissipation device is used, the heat dissipation device can be started simultaneously to carry out heat dissipation treatment through four rows of heat dissipation holes (3) in the embodiment shown in the figure 2; the external connection interface (7) mainly comprises a wired connection interface, a data transmission interface and a power interface of the state display and touch equipment, a power-off protection device connection interface, an instruction control equipment interface, a hard disk power interface and a data transmission interface, and an interface externally connected to an industrial special power supply in the embodiment shown in FIG. 2; when the external power supply is powered off, the power-off protection device (12) is started, the black box equipment can work for more than 3 hours, and the output voltage is 12V; when the external wired communication interface is disconnected, the wireless communication module (8) is automatically started to carry out real-time communication; all the abnormal conditions are distributed by the instruction control module (13) and distributed to the CPU (2) for processing through the distribution of the functional chip (4), and then distributed to the wireless communication module (8) for communication, the hard disk (11) records state data, the state guarantee of the power-off protection device (12), the state display and the display of the touch equipment, and the hard disk (11) records quality data and confidential data in real time.
In the embodiment shown in fig. 4, when the black box device is activated, a dedicated safety LOCK device needs to be inserted into the LOCK interface (5), the status indicator lamps (8) (9) (10) will correspondingly light up, and at the same time, the status display and touch device (1) will display the current system status, and the command control device (11) can input a corresponding command, and in the embodiment shown in fig. 3, the command control module (13) is used for transmitting the corresponding command, and the status display and touch device (1) can be used for changing the command; when external sound is needed, the microphone is connected with the microphone through a MICK interface (2) and an AUDIO interface (3); when the external display is needed, the display is connected through a VGA interface (6); if the software version of the black box needs to be changed, the USB interface is needed.
Claims (10)
1. The black box comprises a wired communication interface, a wireless network communication module, a CPU, memory particles, a functional chip, a coprocessor, a main board, a hard disk, an instruction control device, a heat dissipation device, a power-off protection device, a safety LOCK device, a data input interface, a state display and touch device, a box body, a power supply interface, an MICK/Audio interface, a VGA interface, a COM1 interface, a LOCK interface, a USB interface, a state indicator lamp and a data transmission interface; wherein,
acquiring quality and confidential data in real time through a wired communication interface;
uploading quality and confidential data through a wired communication interface;
and uploading the quality and confidential data through the wireless network communication module under the condition that the wired communication interface is not communicated.
2. The black box according to claim 1, wherein: the box body is respectively provided with an upper cover and a lower cover, and the upper cover placement state display and touch equipment is a first layer; the lower cover consists of two layers, and the instruction control equipment, the MICK/Audio interface, the VGA interface, the COM1 interface, the LOCK interface, the USB interface and the status indicator lamp are respectively a second layer; the wired communication interface, the wireless network communication module, the CPU, the memory particles, the functional chip, the coprocessor, the mainboard, the hard disk, the instruction control equipment, the heat dissipation device, the power-off protection device and the power interface are the third layer.
3. The black box according to claim 1, wherein: a CPU, memory particles, a functional chip, a coprocessor and a heat dissipation device are arranged on the upper portion of the mainboard, and the CPU, the memory particles, the functional chip, the coprocessor and the heat dissipation device are arranged on the same plane parallel to the mainboard; a hard disk and a power-off protection device are arranged on the right side of the mainboard; a wireless network communication module is arranged on the left side of the mainboard; the hard disk, the power-off protection device, the wireless network communication module and the mainboard are on the same parallel plane; a wired communication interface and a power interface are arranged on the upper side of the mainboard; the lower side of the main board is provided with
An instruction control device; the wired communication interface, the power interface, the instruction control equipment and the mainboard are on the same plane in parallel.
4. The black box of claim 3, wherein: the bottom of the lower cover of the box body is padded with a special shockproof, shockproof and radiation-proof interference protective net, and the related equipment which is on the same horizontal plane with the main board is placed on the protective net and is fixed by a special screw, so that the enhanced protection effect is achieved; the main board is covered with a layer of metal plate for enhancing the structural strength inside the black box, assisting the dispersion of internal heat and preventing electromagnetic interference; the metal plate is fixed on the mainboard and covers the CPU, the memory particles, the functional chip and the heat dissipation device.
5. The black box according to claim 1, wherein: the upper part of the lower cover of the box body is provided with the instruction control equipment, the MICK/Audio interface, the VGA interface, the COM1 interface, the LOCK interface, the USB interface and the status indicator lamp; the instruction control equipment, the MICK/Audio interface, the VGA interface, the COM1 interface, the LOCK interface, the USB interface and the status indicator lamp are on the same plane; the MICK/Audio interface, the USB interface, the LOCK interface, the COM1 port, the VGA port and the status indicator lamp are sequentially arranged on the upper side of the instruction control equipment from left to right; the MICK interface and the Audio interface are arranged up and down, the MICK interface is arranged on the upper portion, and the Audio interface is arranged on the lower portion; in the USB interface, the USB1 and the USB2 are arranged up and down, the upper part is a USB1 interface, and the lower part is a USB2 interface; the USB3 interface and the LOCK interface are arranged up and down, the USB3 interface is arranged above the USB3 interface, and the LOCK interface is arranged below the USB3 interface; the COM1 interface and the VGA interface are arranged up and down, the upper COM1 interface is the VGA interface; the status indicator lamp consists of three parts, namely a POWER indicator lamp, an HDD indicator lamp and a KB indicator lamp which are sequentially arranged from left to right.
6. The black box according to claim 1, wherein: the upper cover of the box body consists of the state display and touch equipment and a data transmission interface; the state display is on the same plane with the touch device and the data transmission interface.
7. The black box according to claim 1, wherein: the rear panel of the lower cover of the box body is provided with four rows of heat dissipation holes, a heat dissipation device, a power supply interface and a wired communication interface, and the bottoms of the four rows of heat dissipation holes are positioned on the same horizontal plane with the CPU and the heat dissipation device; the heat dissipation device is provided with two heat dissipation holes which are respectively arranged at two sides of the four rows of heat dissipation holes; the power interface and the wired communication interface are arranged below the four rows of radiating holes, the wired communication interface is arranged on the left side, and the power interface is arranged on the right side.
8. The black box according to claim 1, wherein: the wireless network communication module adopts a communication WCDMA or WIFI communication module.
9. The black box according to claim 1, wherein: the box body comprises: the high-strength plastic alloy box body, the handle, the buckle and the locking notch; the high-strength plastic alloy box body, the lifting handle, the buckle and the locking notch are all arranged on the front part of the lower cover of the box body and are positioned on the same horizontal plane; the two locking notches are formed at the leftmost end and the rightmost end of the front part of the box body respectively; the lifting handle is arranged in the middle of the front of the lower cover of the box body; the buckle is arranged between the handle and the locking notch.
10. The black box according to claim 1, wherein: the box body is in a cuboid shape, and the length, width and height value ranges are respectively 32.6 +/-0.2 cm, 27.5 +/-0.2 cm and 13.9 +/-0.2 cm; the length-width-height ratio is in the range of 2.3 plus or minus 0.3: 1.9 plus or minus 0.3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110457106.0A CN102722920B (en) | 2011-12-31 | 2011-12-31 | Black box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176230Y (en) * | 1993-08-07 | 1994-09-07 | 山东建筑工程学院 | Controller of concrete mixer |
| CN1428259A (en) * | 2002-12-27 | 2003-07-09 | 昆山飞达科技发展有限公司 | Car safety warning recorder and its initial setting, warning and PDA reading method |
| US20030135764A1 (en) * | 2002-01-14 | 2003-07-17 | Kun-Shan Lu | Authentication system and apparatus having fingerprint verification capabilities thereof |
| CN201689313U (en) * | 2010-04-28 | 2010-12-29 | 武汉启鑫物联网技术应用有限公司 | Concrete quality monitoring system based on RFID technology |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2176230Y (en) * | 1993-08-07 | 1994-09-07 | 山东建筑工程学院 | Controller of concrete mixer |
| US20030135764A1 (en) * | 2002-01-14 | 2003-07-17 | Kun-Shan Lu | Authentication system and apparatus having fingerprint verification capabilities thereof |
| CN1428259A (en) * | 2002-12-27 | 2003-07-09 | 昆山飞达科技发展有限公司 | Car safety warning recorder and its initial setting, warning and PDA reading method |
| CN201689313U (en) * | 2010-04-28 | 2010-12-29 | 武汉启鑫物联网技术应用有限公司 | Concrete quality monitoring system based on RFID technology |
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