CN210983055U - Circuit control device of wisdom police service car mobile unit - Google Patents
Circuit control device of wisdom police service car mobile unit Download PDFInfo
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- CN210983055U CN210983055U CN201921262545.4U CN201921262545U CN210983055U CN 210983055 U CN210983055 U CN 210983055U CN 201921262545 U CN201921262545 U CN 201921262545U CN 210983055 U CN210983055 U CN 210983055U
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Abstract
The utility model discloses a circuit control device of wisdom police service car mobile unit, including on-vehicle controller and power module, on-vehicle controller includes the singlechip, the input of singlechip passes through infrared receiving chip and user terminal signal connection, the output electric connection of singlechip has L ED screen and warning light, singlechip electric connection has USB interface and thermal imaging device, the singlechip passes through wireless transmitting module and user terminal signal connection, and the police officer controls opening and closing of thermal imaging device, L ED screen and warning light through infrared receiving chip control on-vehicle controller through using cell-phone, flat board, carries out the power-off protection to it, carries out corresponding operation to the equipment on the car, realizes remote control, and more convenient, succinct that uses adopts ATMEGA 32A-singlechip AU, very big demand that has satisfied the police officer, and infrared receiving chip, the ability reinforce can keep out the environmental disturbance light, and the consumption is extremely low, is favorable to accurate control, is favorable to remote monitoring.
Description
Technical Field
The utility model belongs to the technical field of wisdom police car, concretely relates to circuit control device of wisdom police car on-board equipment.
Background
Police car is a motor vehicle, and units such as public security agencies, national security agencies, prison administration agencies, community correction agencies, and people's court, people's inspection yards, etc. are used to perform emergency duties. An intelligent vehicle-mounted intelligent control system is an intelligent vehicle-mounted system integrating intelligent collection of social security basic information, public security risk early warning, visualization of treatment site, intelligent 110 scheduling and intelligent patrol control. The system applies a plurality of intelligent analysis algorithms such as face recognition, license plate recognition and the like in the movement, so that the vehicle can recognize the face, the vehicle characteristics, the mobile phone MAC and the like in the movement, can further carry out analysis and comparison, and can rapidly study, judge and early warn the on-site condition. Intelligentized lifting: the method combines the 4G wireless video technology, the figure identification technology, the vehicle identification technology, the WIFI probe technology and the emergency command scheduling technology, carries out all-around detection and collection on information of all personnel, vehicles and mobile phones around the police car, and carries out advanced prejudgment on suspicious targets, so that the law enforcement and emergency handling method is promoted from ' after inspection ' to ' prejudgment.
Police car police officer's important vehicle, but traditional police car is difficult to realize remote control, does not possess the function of power-off protection, is difficult to carry out remote monitoring, and it is inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wisdom police service car mobile unit's circuit control device to solve the above-mentioned problem that proposes.
In order to achieve the purpose, the utility model provides a circuit control device of wisdom police service car mobile unit, including on-vehicle controller and power module, on-vehicle controller includes the singlechip, the input of singlechip passes through infrared receiving chip and user terminal signal connection, the output electric connection of singlechip has L ED screen and warning light, singlechip electric connection has USB interface and thermal imaging device, the singlechip passes through wireless transmitting module and user terminal signal connection, singlechip signal connection has infrared remote controller, power module supplies power for each component of on-vehicle controller.
Preferably, the singlechip is an ATMEGA32A-AU singlechip, and the singlechip is used as a central processor of a system control node operation node and has the following characteristics:
1) the ATMEGA32A-AU single chip microcomputer has a high-performance programmable Flash in a32 KB system, a low-power consumption 8-bit microcontroller, 2.7-5.5V wide voltage work, 2KB byte EEPROM, 2KB byte SRAM, 32 general I/O port lines, a general work register and an external control register for 32x8, 16MIPS throughput can be achieved at 16MHz, a JTAG interface for boundary scanning is used for supporting in-chip and programming;
2) 3 flexible timers with a comparison mode, on/off interruption, 1-path programmable serial USART; an 8-way 10-bit ADC with selectable differential input programmable gain, a programmable watchdog timer with an on-chip oscillator, and an SPI serial; the ATMEGA32A-AU single chip microcomputer is responsible for the control input and output of the control program of the whole air conditioner control system.
Preferably, the infrared receiving chip is an IRM-3638T type infrared receiving chip, the receiving frequency of the infrared receiving chip is 38-56kHz, and the anti-interference capability is strong; can resist the ambient interference light; current consumption: 0.8-1mA, and extremely low power consumption; the photodetector preamplifier incorporates a filter in the same package, PCM frequency.
Preferably, the infrared receiving chip is internally integrated with a light detection circuit, an operational amplification circuit and a filter circuit.
Preferably, the infrared remote control function of the user terminal and the infrared remote controller is controlled by infrared light with carrier frequency of 38kHz and according with NEC standard.
Preferably, the ATMEGA32A-AU single chip microcomputer collects and calculates infrared signals through an ICP1 function of a T1 timer, an input capture unit of the ATMEGA32A-AU single chip microcomputer is used for calculating frequency, duty ratio and signals, when an ICP pin level occurs and the level changes as proved by an edge detector, input capture is triggered, 16-bit TCNT1 is copied to an input capture register ICR1, and a capture flag bit ICF1 is input, namely, when an ICP1 input signal changes from high to low each time, a count value of the TCNT1 is synchronously copied to ICP1 again, two times of continuous ICP1 data are recorded, and then the difference value of the two times of ICP1 is multiplied by the period of a known technical pulse of a counter, namely, the time of one period of the input signal.
Preferably, the wireless transmission module is a compact dual-frequency GSM/GPRS wireless communication module SIM 900A.
Preferably, the single chip microcomputer is electrically connected with the keys through a key circuit.
The utility model provides a circuit control device of wisdom police service car mobile unit has the beneficial effects that 1, the police officer controls the on-board controller to control the on-board controller to open and close the thermal imaging device, L ED screen and the warning lamp through using the mobile phone and the flat board through the infrared receiving chip, and carries out power-off protection on the device, and carries out corresponding operation on the equipment on the car, thereby realizing remote control and being more convenient and concise to use;
2. an ATMEGA32A-AU singlechip is adopted, the controller has a high-performance and low-power-consumption 8-bit microcontroller of programmable Flash in a32 KB system, 2.7-5.5V wide-voltage work, 2KB byte EEPROM, 2KB byte SRAM, 32 general I/O port lines, a general work register and an external control register are used for 32x8, the MIPS throughput can reach 16MHz, the JTAG interface is used for boundary scanning, in-chip and programming is supported, information processing is rapid, online programming can be carried out, and the requirements of police officers are greatly met;
3. the infrared receiving chip is an IRM-3638T type infrared receiving chip, the receiving frequency is 38-56kHz, and the anti-interference capability is strong; can resist the ambient interference light; current consumption: 0.8-1mA, the power consumption is extremely low, which is beneficial to accurate control and is convenient for the operation of police officers;
4. the singlechip transmits the audio-video collected by the thermal imaging device to a mobile phone or a flat plate used by an officer through the wireless communication module, thereby being beneficial to remote monitoring.
Drawings
FIG. 1 is a schematic circuit block diagram of the present invention;
fig. 2 is a circuit diagram of the infrared receiving chip of the present invention;
fig. 3 is a circuit diagram of the power supply of the present invention;
fig. 4 is a circuit diagram of the key circuit of the present invention;
fig. 5 is a block diagram of the single chip microcomputer input capture of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
The utility model provides a circuit control device of wisdom police service car mobile unit as shown in fig. 1-5, including on-vehicle controller and power module, on-vehicle controller includes the singlechip, the input of singlechip passes through infrared receiving chip and user terminal signal connection, the output electric connection of singlechip has L ED screen and warning light, singlechip electric connection has USB interface and thermal imaging device, the singlechip passes through wireless transmitting module and user terminal signal connection, singlechip signal connection has infrared remote controller, power module is each component power supply of on-vehicle controller.
Furthermore, the singlechip is an ATMEGA32A-AU singlechip, and the singlechip is used as a central processor of a system control node operation node, and has the following characteristics:
1) the ATMEGA32A-AU single chip microcomputer has a high-performance programmable Flash in a32 KB system, a low-power consumption 8-bit microcontroller, 2.7-5.5V wide voltage work, 2KB byte EEPROM, 2KB byte SRAM, 32 general I/O port lines, a general work register and an external control register for 32x8, 16MIPS throughput can be achieved at 16MHz, a JTAG interface for boundary scanning is used for supporting in-chip and programming;
2) 3 flexible timers with a comparison mode, on/off interruption, 1-path programmable serial USART; an 8-way 10-bit ADC with selectable differential input programmable gain, a programmable watchdog timer with an on-chip oscillator, and an SPI serial; the ATMEGA32A-AU single chip microcomputer is responsible for the control input and output of the control program of the whole air conditioner control system.
Furthermore, the infrared receiving chip is an IRM-3638T type infrared receiving chip, the receiving frequency is 38-56kHz, and the anti-interference capability is strong; can resist the ambient interference light; current consumption: 0.8-1mA, and extremely low power consumption; the photodetector preamplifier incorporates a filter in the same package, PCM frequency.
As shown in fig. 2, further, a light detection circuit, an operational amplification circuit and a filter circuit are integrated inside the infrared receiving chip; the design of a hardware circuit can be simplified, and the anti-interference capability of the hardware circuit can be improved, wherein R1 is an input port current-limiting resistor of an ATMEGA32A-AU single chip microcomputer to prevent the ATMEGA32A-AU single chip microcomputer from being damaged, R2 is a pull-up resistor to prevent the ATMEGA32A-AU single chip microcomputer from misoperation when no infrared signal is input, R3 is an input current-limiting resistor to protect IRM-3638T from being damaged, an RC filter circuit is formed by the R3, the R1 and the C2 to improve the anti-interference capability of the system, and C1 and C2 are filter capacitors.
Further, the infrared remote control function of the user terminal and the infrared remote controller is controlled by infrared light with carrier frequency of 38kHz and according with NEC standard.
Further, the ATMEGA32A-AU single chip microcomputer collects and calculates infrared signals through the ICP1 function of the T1 timer, the input capture unit of the ATMEGA32A-AU single chip microcomputer is used for calculating frequency, duty ratio and signals, the block diagram of the input capture unit is shown in fig. 5, according to the block diagram, when the ICP pin level occurs and the level change is confirmed by the edge detector, the input capture is activated, 16 bits of TCNT1 are copied to the input capture register ICR1, and meanwhile, the capture flag bit ICF1 position is input, that is, when the ICP1 input signal changes from high to low, the count value of the TCNT1 is synchronously copied to the ICP1 again, two times of continuous ICP1 data are recorded, and the difference value of the two times of ICP1 is multiplied by the period of the known counter technical pulse, namely, the time of one period of the input signal.
Further, the wireless transmission module is a compact dual-frequency GSM/GPRS wireless communication module SIM 900A.
Furthermore, the single chip microcomputer is electrically connected with a key through a key circuit.
The working principle is that a police officer controls the on-board controller to control the on-board thermal imaging device, the L ED screen and the warning lamp to be turned on and off through the mobile phone and the flat panel and the infrared receiving chip, so that the on-board thermal imaging device, the L ED screen and the warning lamp are protected from power failure, corresponding operation is carried out on equipment on a vehicle, remote control is realized, and the use is more convenient and simpler;
an ATMEGA32A-AU singlechip is adopted, the controller has a high-performance and low-power-consumption 8-bit microcontroller of programmable Flash in a32 KB system, 2.7-5.5V wide-voltage work, 2KB byte EEPROM, 2KB byte SRAM, 32 general I/O port lines, a general work register and an external control register are used for 32x8, the MIPS throughput can reach 16MHz, the JTAG interface is used for boundary scanning, in-chip and programming is supported, information processing is rapid, online programming can be carried out, and the requirements of police officers are greatly met;
the infrared receiving chip is an IRM-3638T type infrared receiving chip, the receiving frequency is 38-56kHz, and the anti-interference capability is strong; can resist the ambient interference light; current consumption: 0.8-1mA, the power consumption is extremely low, which is beneficial to accurate control and is convenient for the operation of police officers;
the singlechip transmits the audio-video collected by the thermal imaging device to a mobile phone or a flat plate used by an officer through the wireless communication module, thereby being beneficial to remote monitoring.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The circuit control device of the intelligent police car vehicle-mounted equipment comprises a vehicle-mounted controller and a power module, and is characterized in that the vehicle-mounted controller comprises a single chip microcomputer, the input end of the single chip microcomputer is in signal connection with a use terminal through an infrared receiving chip, the output end of the single chip microcomputer is electrically connected with an L ED screen and a warning lamp, the single chip microcomputer is electrically connected with a USB interface and a thermal imaging device, the single chip microcomputer is in signal connection with the use terminal through a wireless transmitting module, the single chip microcomputer is in signal connection with an infrared remote controller, and the power module supplies power to all elements of the vehicle-mounted controller.
2. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 1, characterized in that: the single chip microcomputer is an ATMEGA32A-AU single chip microcomputer, and the single chip microcomputer serves as a central processor of the system control node operation node.
3. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 1, characterized in that: the infrared receiving chip is an IRM-3638T type infrared receiving chip, the receiving frequency is 38-56kHz, and the anti-interference capability is strong; can resist the ambient interference light; current consumption: 0.8-1mA, and extremely low power consumption; the photodetector preamplifier incorporates a filter in the same package, PCM frequency.
4. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 3, characterized in that: and a light detection circuit, an operational amplification circuit and a filter circuit are integrated in the infrared receiving chip.
5. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 1, characterized in that: the infrared remote control function of the user terminal and the infrared remote controller is to control by infrared light with carrier frequency of 38kHz and according with NEC standard.
6. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 2, characterized in that: the ATMEGA32A-AU single chip microcomputer collects and calculates infrared signals through an ICP1 function of a T1 timer, an input capture unit of the ATMEGA32A-AU single chip microcomputer is used for calculating frequency, duty ratio and signals, when an ICP pin level occurs and the level changes to be verified by an edge detector, input capture is triggered, 16-bit TCNT1 is copied to an input capture register ICR1, and meanwhile, a capture flag ICF1 position is input, namely, when the ICP1 input signal changes from high to low, the count value of the TCNT1 is synchronously copied to ICP1 again, two times of continuous ICP1 data are recorded, and the difference value of the two times of ICP1 is multiplied by the known period of a counter counting pulse to be the time of one period of the input signal.
7. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 1, characterized in that: the wireless transmitting module is a compact dual-frequency GSM/GPRS wireless communication module SIM 900A.
8. The circuit control device of the intelligent police car vehicle-mounted equipment according to claim 1, characterized in that: the single chip microcomputer is electrically connected with the keys through the key circuit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921262545.4U CN210983055U (en) | 2019-08-06 | 2019-08-06 | Circuit control device of wisdom police service car mobile unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921262545.4U CN210983055U (en) | 2019-08-06 | 2019-08-06 | Circuit control device of wisdom police service car mobile unit |
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| CN210983055U true CN210983055U (en) | 2020-07-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501940A (en) * | 2019-08-06 | 2019-11-26 | 汉腾汽车有限公司 | A kind of circuit control device of wisdom radio car mobile unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110501940A (en) * | 2019-08-06 | 2019-11-26 | 汉腾汽车有限公司 | A kind of circuit control device of wisdom radio car mobile unit |
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