CN213150155U - Electronic seal device - Google Patents
Electronic seal device Download PDFInfo
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- CN213150155U CN213150155U CN202022371978.2U CN202022371978U CN213150155U CN 213150155 U CN213150155 U CN 213150155U CN 202022371978 U CN202022371978 U CN 202022371978U CN 213150155 U CN213150155 U CN 213150155U
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Abstract
The utility model discloses an electronic seal device, which comprises a seal body and a box body, wherein a main control board and a battery box are arranged in the box body, a singlechip minimum system circuit, a key circuit, a voltage measuring circuit, a LED lamp circuit, a communication module circuit, an alarm circuit, a seal module circuit and a power module for supplying power to the circuits are welded on the main control board, a battery is arranged in the battery box, and the battery is connected with the power module; a metal resistance strain gauge is arranged in the seal strip body and is inserted into a socket on the main control panel through a leading-out plug wire. The utility model discloses the operation is stable, safe and reliable, and the function is perfect, can realize effective real-time supervision, automatic alarm, and the wide application is kept apart at home during court's investigation and is kept watch on, secret filing cabinet's fields such as theftproof.
Description
Technical Field
The utility model belongs to the technical field of the strip of paper used for sealing technique and specifically relates to an electron strip of paper used for sealing device is related to.
Background
The sealing strip is used when authority departments such as a court and a check yard execute real estate check-out business or a company needs to temporarily seal a certain office place or a warehouse door. The sealing strip used for the purposes is usually paper sealing strip at present, and is easily damaged by the influence of sun, rain, wind, snow and frost or artificial damage, so that the functions of warning and prompting cannot be achieved, and the purpose of presetting the sealing strip cannot be realized, thereby influencing the execution of judicial procedures. In order to solve the problems, electronic seals are gradually started in a court, a camera sensing device is arranged in the existing electronic seal, the existing electronic seal can monitor the real estate involved in the case for 24 hours, and when people break the electronic seal, the warning voice of the court can be automatically played and the court can be photographed and shot; however, such electronic seals are expensive and consume a lot of power, and cannot be popularized and applied.
In addition, many people or potential infected persons who have contact with new coronary pneumonia infected persons need to be forced to stay away from home for 14 days under the influence of new coronary pneumonia epidemic situation, but due to shortage of people and in order to reduce possible infected persons, 24-hour uninterrupted guardians are not arranged for the people who stay away from home, and for some people who are relatively poor in self-discipline, people may go out of home, go shopping or go shopping, and the situation is reported in the news. In order to solve the problem, a door magnetic alarm is usually installed, but the alarm is easy to crack, so that the alarm loses the alarm effect.
Disclosure of Invention
In order to solve the above problems, the present invention provides an electronic seal device with reasonable design and good application effect.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an electronic seal device comprises a seal body and a box body, wherein a main control board and a battery box are installed in the box body, a singlechip minimum system circuit, a key circuit, a voltage measuring circuit, an LED lamp circuit, a communication module circuit, an alarm circuit, a seal module circuit and a power module for supplying power to the circuits are welded on the main control board, a battery is installed in the battery box, and the battery is connected with the power module; a metal resistance strain gauge is arranged in the seal strip body and is inserted into a socket on the main control panel through a leading-out plug wire.
Furthermore, the minimum system circuit of the single chip microcomputer comprises a reset circuit, a clock circuit and a power circuit which are necessary for finishing the work of the single chip microcomputer.
Furthermore, the singlechip adopts MCS-51 series, AVR singlechip, MSP430 ultra-low power consumption singlechip, PIC singlechip, Feichal series singlechip or Yingfeing series singlechip.
Further, the battery is a dry battery or a lithium battery.
Furthermore, a rectifier is further installed in the battery box and connected with the power supply module.
Further, the seal module circuit comprises a power supply, a metal resistance strain gauge, a plug wire interface, a light emitting diode, a triode, a resistor and a singlechip input interface, wherein the positive electrode of the power supply is connected with the collector electrode of the triode through the resistor, the collector electrode of the triode is also connected with the singlechip input interface, the negative electrode of the power supply is connected with one end of the metal resistance strain gauge, the other end of the metal resistance strain gauge is connected with the positive electrode of the light emitting diode through the plug wire interface, the negative electrode of the light emitting diode is connected with the base electrode of the triode, and the emitting electrode of the triode is grounded.
Furthermore, a plurality of heat dissipation holes are formed in one side wall of the box body.
Due to the adoption of the technical scheme, the utility model discloses have following superiority:
the electronic seal device is low in manufacturing cost, low in power consumption, stable in operation, safe, reliable, complete in function, capable of being repeatedly used, capable of achieving effective real-time monitoring and automatic alarming by utilizing the principle that the resistance value of a metal resistance strain gauge is multiplied when a door is forcibly opened so as to change the circuit level of a seal module, and widely applied to the fields of court seal inspection assets, household isolation monitoring during epidemic situations, theft prevention of confidential file cabinets and the like.
Drawings
Fig. 1 is a schematic structural diagram of an electronic seal device according to the present invention;
fig. 2 is a block diagram of a main control board of the electronic seal device of the present invention;
fig. 3 is a schematic structural diagram of a seal module circuit of the electronic seal device of the present invention;
FIG. 4 is a schematic view of an installation state of one embodiment of the electronic seal device of the present invention;
FIG. 5 is a schematic view of the second embodiment of the electronic seal device according to the present invention;
in the figure: 1-a main control board; 2-a battery box; 3-a seal body; 4-a box body; 5-heat dissipation holes; 6-metal resistance strain gauges; 7-a power supply; 8-single chip input interface; 9-patch cord interface; 10-a door body; 11-leading out a patch cord.
Detailed Description
The technical solution of the present invention will be further described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1 to 5, the electronic seal device comprises a seal body 3 and a box body 4, wherein a main control board 1 and a battery box 2 are installed in the box body through screws, a rear cover of the box body is fixed by nuts, a single chip microcomputer minimum system circuit, a key circuit, a voltage measuring circuit, an LED lamp circuit, a communication module circuit, an alarm circuit, a seal module circuit and a power module for supplying power to the circuits are welded on the main control board, a battery is installed in the battery box and connected with the power module, and the battery is a dry battery or a lithium battery; a metal resistance strain gauge 6 is arranged in the seal strip body and is inserted into a socket on the main control panel through a leading-out insertion line 11.
The shell of the seal body is a flexible shell with good extensibility and integrated molding, the shell is tightly embedded with the built-in metal resistance strain gauge, and when external force is applied, the metal resistance strain gauge and the shell can be simultaneously stretched and deformed or even broken.
The minimum system circuit of the single chip microcomputer comprises a reset circuit, a clock circuit and a power circuit which are necessary for finishing the work of the single chip microcomputer; this section is prior art and will not be described in detail.
The single-chip microcomputer adopts MCS-51 series, AVR single-chip microcomputer, MSP430 ultra-low power consumption single-chip microcomputer, PIC single-chip microcomputer, Feichell series single-chip microcomputer or Yingfeing series single-chip microcomputer.
The battery box is also internally provided with a rectifier which is connected with the power module and used for converting alternating current commercial power into direct current through the rectifier and supplying power to the power module.
The alarm circuit has the alarm forms of voice alarm, buzzer alarm and/or music chip alarm.
As shown in fig. 3, the seal module circuit is composed of a power supply 7, a metal resistance strain gauge 6, a patch cord interface 9, a light emitting diode LED, a triode VT, a resistor R1, and a single chip input interface 8, wherein the triode VT is an NPN type triode, the positive electrode of the power supply 7 is connected to the collector of the triode VT through the resistor R1, the collector of the triode VT is further connected to the single chip input interface 8, the negative electrode of the power supply is connected to one end of the metal resistance strain gauge 6, the other end of the metal resistance strain gauge is connected to the positive electrode of the light emitting diode LED through the patch cord interface 9, the negative electrode of the light emitting diode LED is connected to the base of the triode VT, and the emitter of the triode VT is grounded. When the LED lamp normally works, the resistance of the metal resistance strain gauge 6 is small, the LED emits light, the circuit is conducted, the triode VT is also conducted, and the input voltage of the singlechip is low; when someone forces to open the door, strip of paper used for sealing body 3 and built-in metal resistance foil gage 6 send serious deformation and even are broken for its resistance value increases to very big rapidly, and then makes triode VT turn-off, then sends the high level to the singlechip, makes the singlechip send out the instruction, and alarm circuit sends audible alarm, sends alarm information for the user through communication module circuit simultaneously.
A plurality of radiating holes 5 are formed in one side wall of the box body 4, so that the current circuit working condition can be judged conveniently by observing the state of the LED lamp through the radiating holes.
The voltage measuring circuit monitors the power supply voltage in real time, compares the value with a set threshold value, the set threshold value is the minimum voltage required by normal work of the device, and when the actual power supply voltage is equal to the threshold value, the communication module sends out reminding information to a user to remind the user to replace the battery in time.
The key circuit controls the circuit to work and be disconnected through keys.
During installation, the rear cover of the box body is opened at first, a power key on the main control board is pressed, the power indicator lamp is turned on, meanwhile, the light emitting diode LED on the sealing strip module circuit is also turned on, and the circuit enters normal work.
The box body is arranged on the door body, the cabinet body or a nearby wall, and the seal body is fixedly arranged on two door bodies of a double-opening door across a door seam, or on the door body and a door frame of a single-opening door, or on the cabinet body and a cabinet door.
If the electronic seal device of the utility model is used for monitoring and controlling the isolation personnel during the epidemic situation, in order to prevent the device from being cracked or maliciously damaged by the isolation personnel, the box body 4 is fixed on the outer side of the door body 10 or the wall body near the outer side, the seal body 3 is fixed on the outer side of the door body across the door seam, namely, the personnel are closed in the room, the seal body is placed on the outer side of the door, and the indoor personnel are prevented from contacting the electronic seal, thereby damaging the electronic seal, as shown in fig. 4; if the electronic seal device is used for checking and sealing assets in a court, in order to prevent a person from damaging the device, the box body 4 is arranged on the inner side of the door body 10 or a wall body near the inner side, the seal body 3 is led out through a door seam, and is horizontally fixed on the outer side of the door body across the door seam, as shown in fig. 5.
When someone opens the door body 10 with strong force, the seal body 3 is stressed to generate strong deformation and even is broken, so that the triode VT in the seal module circuit is cut off and switched off, a high level is input to the singlechip, the singlechip sends out an instruction, the alarm circuit sends out a sound alarm, and the communication module circuit sends out an alarm short message to a user; when someone maliciously cuts the seal body, the metal resistance strain gauge 6 or the leading-out plug wire 11 arranged in the seal body 3 is cut off, so that the base input of the triode VT in the seal module circuit is disconnected, the triode VT is still cut off and switched off, the level of the input single chip microcomputer is changed from low level to high level, the single chip microcomputer is triggered to send an alarm instruction, the alarm circuit sends out sound alarm, and the communication module circuit sends out an alarm short message to a user. When the user arrives at the site, the box body is opened, the key is disconnected, the damaged seal body is pulled down, a new seal body is inserted, the key is pressed down, the circuit works normally again, and then the new protection state can be entered after the new seal body is installed again according to the installation mode of the figure 4 or the figure 5.
If the user receives the short message for reminding of insufficient voltage, the user can go to the site, open the box body, disconnect the key, replace the new battery, press the key to enable the circuit to work normally again, and then enter a new defense state after being reinstalled according to the installation mode of the figure 4 or the figure 5.
In the above embodiment, the utility model discloses electronic seal device, its singlechip model is preferred STC89C52, and the preferred chip TCL549 of voltage measurement circuit is to signal voltage collection and conversion, and the preferred SIM800A of communication module circuit model, the voltage of battery are 5V.
The above is only the preferred embodiment of the present invention, not the limitation of the present invention, without departing from the spirit and scope of the present invention, all should belong to the patent protection scope of the present invention in the equal variation and modification made by the claims of the present invention.
Claims (7)
1. An electronic seal device is characterized in that: the intelligent seal comprises a seal body and a box body, wherein a main control board and a battery box are installed in the box body, a singlechip minimum system circuit, a key circuit, a voltage measuring circuit, an LED lamp circuit, a communication module circuit, an alarm circuit, a seal module circuit and a power module for supplying power to the circuits are welded on the main control board, and a battery is installed in the battery box and connected with the power module; a metal resistance strain gauge is arranged in the seal strip body and is inserted into a socket on the main control panel through a leading-out plug wire.
2. The electronic seal device of claim 1, wherein: the minimum system circuit of the singlechip comprises a reset circuit, a clock circuit and a power circuit which are necessary for finishing the work of the singlechip.
3. The electronic seal device of claim 2, wherein: the singlechip adopts MCS-51 series, AVR singlechip, MSP430 ultralow power consumption singlechip, PIC singlechip, Feicharel series singlechip or Yingfeing series singlechip.
4. The electronic seal device of claim 1, wherein: the battery is a dry battery or a lithium battery.
5. The electronic seal device of claim 1, wherein: a rectifier is also arranged in the battery box and connected with the power module.
6. The electronic seal device of claim 1, wherein: the seal module circuit comprises a power supply, a metal resistance strain gauge, a plug wire interface, a light emitting diode, a triode, a resistor and a singlechip input interface, wherein the positive electrode of the power supply is connected with the collector electrode of the triode through the resistor, the collector electrode of the triode is also connected with the singlechip input interface, the negative electrode of the power supply is connected with one end of the metal resistance strain gauge, the other end of the metal resistance strain gauge is connected with the positive electrode of the light emitting diode through the plug wire interface, the negative electrode of the light emitting diode is connected with the base electrode of the triode, and the emitting electrode of the triode is grounded.
7. The electronic seal device of claim 1, wherein: a plurality of heat dissipation holes are arranged on one side wall of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022371978.2U CN213150155U (en) | 2020-10-22 | 2020-10-22 | Electronic seal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022371978.2U CN213150155U (en) | 2020-10-22 | 2020-10-22 | Electronic seal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213150155U true CN213150155U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022371978.2U Active CN213150155U (en) | 2020-10-22 | 2020-10-22 | Electronic seal device |
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| Country | Link |
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| CN (1) | CN213150155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793463A (en) * | 2021-09-30 | 2021-12-14 | 北京中经天平科技有限公司 | Device and method for realizing disconnection alarm of paper seal |
-
2020
- 2020-10-22 CN CN202022371978.2U patent/CN213150155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113793463A (en) * | 2021-09-30 | 2021-12-14 | 北京中经天平科技有限公司 | Device and method for realizing disconnection alarm of paper seal |
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