CN210605998U - Industrial sensor with function of preventing illegal disassembly - Google Patents
Industrial sensor with function of preventing illegal disassembly Download PDFInfo
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- CN210605998U CN210605998U CN201922101136.2U CN201922101136U CN210605998U CN 210605998 U CN210605998 U CN 210605998U CN 201922101136 U CN201922101136 U CN 201922101136U CN 210605998 U CN210605998 U CN 210605998U
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- card reader
- control module
- radio frequency
- module
- frequency tag
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- 238000012545 processing Methods 0.000 claims abstract description 27
- 230000004044 response Effects 0.000 claims abstract description 12
- 238000012795 verification Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000003990 capacitor Substances 0.000 claims description 23
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 14
- 230000006870 function Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008447 perception Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model discloses an industrial sensor with function of preventing illegal disassembly, which comprises a shell, a control module, a card reader and a processing module which are arranged in the shell, wherein the shell is provided with a cover body, and the inner wall of the cover body is provided with a radio frequency label; when the cover body is in a closed state, the radio frequency tag is positioned in a working area of a transmitting antenna of the card reader, and information transmission is realized between the radio frequency tag and the card reader; when the cover body is in an open state, the radio frequency tag exceeds the working area of the transmitting antenna of the card reader; when the card reader cannot receive the response of the radio frequency tag or the received response information is wrong, the response is fed back to the control module, and the control module triggers the processing module to alarm and/or carry out protection processing; this design has changed the perception mode of current anti-disassembly mechanism: by adopting non-contact identification, the service life is longer, misjudgment is reduced, and the verification module and the processing module are added, so that a way for legal disassembly is provided, and equipment maintenance is facilitated; and a processing module is designed, so that the safety is improved.
Description
Technical Field
The utility model relates to a safety protection field particularly, relates to an industrial sensor with prevent illegal dismantlement function.
Background
When the sensor is used in an industrial field, more opportunities are provided for the sensor to be contacted by the same industry personnel, and if the sensor is disassembled by people, the internal software and hardware design can be stolen, so that the loss is caused to the sensor manufacturer, therefore, equipment is prevented from being illegally disassembled by a certain means, and at present, the existing disassembly prevention design has the following defects:
1. the perception mode is as follows:
① mount contacts at the housing assembly connection that signal when the contacts open.
This approach has the disadvantages: A. the contact is easy to wear; B. if instant loosening occurs in the vibration, misjudgment is easy to occur;
② magnets are placed inside the housing and detected by magnetic sensors.
The method has the following disadvantages: A. the magnet can be placed outside the magnetic sensor, so that the magnetic sensor can be detached without being triggered, and the protection capability is weak.
2. And (3) judging the mode:
after the disassembly is sensed, the existing disassembly-preventing design directly judges the disassembly as illegal disassembly, and the legal disassembly conditions such as equipment maintenance and the like are not considered.
3. The treatment method comprises the following steps:
after the illegal disassembly is judged, the existing anti-disassembly design only triggers an alarm device or sends information to a monitoring terminal, so that the leakage of information such as sensor internal design and the like can not be effectively prevented in a short time, the information is not transferred in time, and the protection effect on confidential information is weak.
Disclosure of Invention
To the above problem, the utility model relates to an industrial sensor with prevent illegal dismantlement function, this design has changed the perception mode of current anti-disassembly mechanism: by adopting non-contact identification, the service life is longer, the misjudgment is reduced, the verification module and the processing module are added, and whether an operator is legal or not is judged firstly; thereby setting a way for legal disassembly and facilitating the maintenance of equipment; the design processing module, the security improves, not only can report to the police, can also prevent that data from being copied and product design from being analyzed by reverse through the super capacitor damage key circuit in the protection module.
The technical scheme is as follows:
an industrial sensor with the function of preventing illegal disassembly comprises a shell, a control module, a card reader and a processing module, wherein the control module, the card reader and the processing module are arranged in the shell, and the card reader and the processing module are electrically connected with the control module;
a cover body is arranged on the shell, and a radio frequency tag is arranged on the inner wall of the cover body; when the cover body is in a closed state, the radio frequency tag is positioned in a working area of a transmitting antenna of the card reader, and information transmission is realized between the radio frequency tag and the card reader; when the cover body is in an open state, the radio frequency tag exceeds the working area of the transmitting antenna of the card reader;
the control module continuously triggers the card reader to read the radio frequency label information, and the card reader demodulates and decodes the received information and then sends the information to the control module;
when the card reader cannot receive the response of the radio frequency tag or the received response information is wrong, the response is fed back to the control module, and the control module triggers the processing module to alarm and/or protect.
Further, the processing module comprises a buzzer and/or a protection module, the protection module comprises a first switch, a second switch and a super capacitor, and the super capacitor is connected with the core circuit through the first switch and is connected with the discharge circuit through the second switch; the control module triggers the first switch to be closed, and the super capacitor releases electric energy to destroy the core circuit; the control module triggers the second switch to be closed, and the super capacitor releases electric energy through the discharging circuit.
Further, the discharge circuit includes: the resistance wire is connected with the super capacitor in series, converts electric energy released by the super capacitor into heat energy, contacts with the heat-conducting silica gel arranged on the inner surface of the shell, and releases the heat energy through the heat-conducting silica gel.
The control module further comprises a verification module, wherein the verification module is used for storing and verifying passwords, and when the passwords input by the upper computer user are inconsistent with the stored passwords, the passwords are judged to be illegal persons; otherwise, the person is judged to be a legal person, and the control module does not trigger the processing module.
If the RFID tag information is illegal, when the card reader cannot continuously read the RFID tag information, the control module triggers the first switch to be closed, and the super capacitor releases electric energy to destroy the core circuit; if the equipment is legal, the control module triggers the second switch to be turned off, the super capacitor discharges through the discharge circuit, and after the discharge is completed, the external indicator lamp prompts legal workers that the equipment enters a safe dismounting state, so that the equipment can be safely dismounted.
Further, the control module is a single chip microcomputer, an embedded system or an FPGA.
The device has the following advantages:
1. the perception mode of current anti-disassembly mechanism has been changed: the non-contact identification is adopted, so that the service life is longer, the misjudgment is reduced, generally, the RFID identification is intermittent identification such as card swiping identification, when the identification is needed, the radio frequency tag is in contact with a card reader, the card reader reads the information of the magnetic card, and the two are separated; the design changes the conventional application, and the design is that the radio frequency tag keeps the induction state with the card reader, namely the card reader can read the radio frequency tag information at any time in the normal state, only when the radio frequency tag is detached, the radio frequency tag and the card reader generate position change, the distance between the card reader and the radio frequency tag is increased, the chip information cannot be read, and then the processing module is triggered.
2. Designing a verification module, and judging whether an operator is legal or not; therefore, a way for legal disassembly is arranged, and equipment maintenance is facilitated.
3. The design processing module, the security improves, not only can report to the police, can also prevent that data from being copied and product design from being analyzed by reverse through the super capacitor damage key circuit in the protection module.
Drawings
FIG. 1 is a schematic diagram of a radio frequency tag and a card reader of the present invention;
FIG. 2 is a schematic diagram of the circuit control in the embodiment.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
An industrial sensor with function of preventing illegal disassembly, as shown in fig. 1, comprises a shell, and a control module, a card reader and a processing module which are arranged in the shell, wherein the card reader and the processing module are electrically connected with the control module;
a cover body is arranged on the shell, and a radio frequency tag is arranged on the inner wall of the cover body; when the cover body is in a closed state, the radio frequency tag is positioned in a working area of a transmitting antenna of the card reader, and information transmission is realized between the radio frequency tag and the card reader; when the cover body is in an open state, the radio frequency tag exceeds the working area of the transmitting antenna of the card reader;
the control module continuously triggers the card reader to read the radio frequency label information, and the card reader demodulates and decodes the received information and then sends the information to the control module;
when the card reader cannot receive the response of the radio frequency tag or the received response information is wrong, the response is fed back to the control module, and the control module triggers the processing module to alarm and/or protect.
In the embodiment, the control module can be a single chip microcomputer, an embedded system or an FPGA (field programmable gate array), the single chip microcomputer is used for controlling, as shown in FIG. 2, the card reader and the control module are powered by an internal low-voltage super capacitor, the card reader and the control module are kept in a working state even if the external of the device is powered off, and the control module continuously triggers the card reader to read label information at high frequency;
specifically, the processing module comprises a buzzer and/or a protection module, the protection module comprises a first switch, a second switch and a super capacitor, and the super capacitor is connected with the core circuit through the first switch and is connected with the discharge circuit through the second switch; the control module triggers the first switch to be closed, and the super capacitor releases electric energy to destroy the core circuit; the control module triggers the second switch to be closed, and the super capacitor releases electric energy through the discharging circuit.
As an embodiment of the present invention, the discharge circuit includes: the resistance wire connected with the super capacitor in series converts electric energy released by the super capacitor into heat energy, the heat energy is contacted with the heat-conducting silica gel arranged on the inner surface of the shell, and the heat energy is released through the heat-conducting silica gel.
In order to design reasonableness, a legal disassembly mode is set, equipment maintenance is facilitated, and particularly the control module further comprises a verification module, the verification module is used for storing and verifying passwords, and when the passwords input by the user of the upper computer are inconsistent with the stored passwords, the control module is judged to be an illegal person; otherwise, the person is judged to be a legal person, and the control module does not trigger the processing module.
If the information is judged to be illegal, when the card reader cannot continuously read the information of the radio frequency tag (RFID module), the control module triggers the first switch to be closed, and the super capacitor releases electric energy to destroy the core circuit; if legal personnel exist, the control module triggers the second switch to be turned off, the super capacitor discharges through the discharge circuit, and an external indicator lamp is turned on after the discharge is completed to prompt the legal personnel that the equipment enters a safe disassembly state, so that the equipment can be safely disassembled.
The foregoing descriptions of specific exemplary embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and the scope of the invention is intended to be defined by the appended claims and their equivalents.
Claims (5)
1. An industrial sensor with the function of preventing illegal disassembly is characterized by comprising a shell, a control module, a card reader and a processing module, wherein the control module, the card reader and the processing module are arranged in the shell, and the card reader and the processing module are electrically connected with the control module;
a cover body is arranged on the shell, and a radio frequency tag is arranged on the inner wall of the cover body; when the cover body is in a closed state, the radio frequency tag is positioned in a working area of a transmitting antenna of the card reader, and information transmission is realized between the radio frequency tag and the card reader; when the cover body is in an open state, the radio frequency tag exceeds the working area of the transmitting antenna of the card reader;
the control module continuously triggers the card reader to read the radio frequency label information, and the card reader demodulates and decodes the received information and then sends the information to the control module;
when the card reader cannot receive the response of the radio frequency tag or the received response information is wrong, the response information is fed back to the control module, and the control module triggers the processing module to alarm and/or perform protection processing.
2. The industrial sensor with illegal disassembly prevention function according to claim 1, wherein: the processing module comprises a buzzer and/or a protection module, the protection module comprises a first switch, a second switch and a super capacitor, and the super capacitor is connected with the core circuit through the first switch and is connected with the discharging circuit through the second switch; the control module triggers the first switch to be closed, and the super capacitor releases electric energy to destroy the core circuit; the control module triggers the second switch to be closed, and the super capacitor releases electric energy through the discharging circuit.
3. The industrial sensor with illegal disassembly prevention function according to claim 2, wherein: the discharge circuit includes: and the resistance wire is in contact with the heat-conducting silica gel arranged on the inner surface of the shell.
4. The industrial sensor with illegal disassembly prevention function according to claim 2, wherein: the control module also comprises a verification module which is used for storing and verifying the password, and judging the password as an illegal person when the password input by the user of the upper computer is inconsistent with the stored password; otherwise, the person is judged to be a legal person, and the control module does not trigger the processing module.
5. The industrial sensor with illegal disassembly prevention function according to any one of claims 1 to 4, wherein: the control module is a single chip microcomputer, an embedded system or an FPGA.
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CN201922101136.2U CN210605998U (en) | 2019-11-29 | 2019-11-29 | Industrial sensor with function of preventing illegal disassembly |
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CN201922101136.2U CN210605998U (en) | 2019-11-29 | 2019-11-29 | Industrial sensor with function of preventing illegal disassembly |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114495339A (en) * | 2021-12-27 | 2022-05-13 | 珠海市特车网络科技有限公司 | Vehicle entry recognition device, method and readable storage medium |
CN114783131A (en) * | 2022-06-17 | 2022-07-22 | 卧安科技(深圳)有限公司 | Intelligent door lock keyboard and anti-disassembly alarm method and device of intelligent device |
-
2019
- 2019-11-29 CN CN201922101136.2U patent/CN210605998U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114495339A (en) * | 2021-12-27 | 2022-05-13 | 珠海市特车网络科技有限公司 | Vehicle entry recognition device, method and readable storage medium |
CN114783131A (en) * | 2022-06-17 | 2022-07-22 | 卧安科技(深圳)有限公司 | Intelligent door lock keyboard and anti-disassembly alarm method and device of intelligent device |
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Address after: Room 495, building 3, 1197 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province 310051 Patentee after: Yi Si Si (Hangzhou) Technology Co.,Ltd. Address before: Room 495, building 3, 1197 Bin'an Road, Binjiang District, Hangzhou City, Zhejiang Province 310051 Patentee before: ISVISION (HANGZHOU) TECHNOLOGY Co.,Ltd. |
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