CN101618701A - Central control device of car police electronic equipment - Google Patents
Central control device of car police electronic equipment Download PDFInfo
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Abstract
The invention relates to a central control device of car police electronic equipment, which is formed by connecting a PC mainboard, a singlechip module, a communication module, a positioning module, a touch display screen module, a bus control module, a signal preprocessing module, a broadcasting station interface module, an encrypting module, a Bluetooth module, a radio module, a video collecting interface, an audio switching module, a power amplifier module and a power supply module. The central control device of the car police electronic equipment can uniformly control various car police electronic equipment such as a warning lamp, a warning device, a searching lamp, an illuminating lamp, a tripod head, a police broadcasting station, a fingerprint instrument, a backing radar, a tire pressure monitoring controller, a video monitoring system, and the like. The central control device of the car police electronic equipment has compact system structure, reduces the car internal space occupation, uses software to achieve the functions of police assistance, multimedia, satellite positioning navigation, and the like, has a uniform and simple operation interface for the application control of various police electronic equipment, and is simple to operate and convenient to use.
Description
Technical field
The present invention relates to a kind of master control system of controlling multiple vehicle electronic device, specifically a kind of car police electronic equipment centralized controlling device.
Background technology
Along with the fast development of science and technology, the application of Eltec on automobile also more and more widely.Existing police vehicle all is to install the alert electronics of using on original civil car additional, not only take a large amount of interior spaces, and every kind of equipment all has different operation interfaces, this just makes that the surface of police car instrument desk is very chaotic, the user uses very inconvenient, and needs the using method of user learning and the multiple police electronic equipment of grasp.Owing to there is not unified centralized controlling device, various police electronic equipments all are discrete work, thereby cause the system failure rate height, the maintenance difficulty.Because repacking has also caused the potential safety hazard of circuit, might jeopardize the driving safety of police car simultaneously.
Summary of the invention
Purpose of the present invention just provides a kind of car police electronic equipment centralized controlling device, to realize the centralized and unified control to multiple car police electronic equipment in the police car, increases the information processing functions such as police service information and location navigation simultaneously.
The present invention is achieved in that a kind of car police electronic equipment centralized controlling device, includes:
The PC mainboard links to each other with other module, is the core of data handing;
One-chip computer module links to each other with each module with the PC mainboard, communicates by letter with the PC mainboard, handles the signal of each module;
The touch display screen module links to each other with the PC mainboard, is the interface of man-machine interaction, finishes the operation to car police electronic equipment;
Communication module links to each other with the PC mainboard, is the media of PC mainboard and internet or the information communication of public security private network;
Locating module with linking to each other of PC mainboard, receives satellite positioning information;
Bus control module links to each other with one-chip computer module with the PC mainboard, realizes communicating by letter of this device and car police electronic equipment, thereby realizes various alert controls with equipment;
The radio interface module is joined with PC mainboard and one-chip computer module respectively, is used to make the compatibility of radio station serial ports and RS232;
Bluetooth module is by one-chip computer module control, in order to communicate with system exterior bluetooth equipment;
Radio receiver module links to each other with one-chip computer module, by Single-chip Controlling, realizes wireless switch, channel selection and listens to;
The audio frequency handover module joins with bluetooth module, radio receiver module, PC mainboard and radio interface module respectively, is used for the sound signal that is received switched with volume regulating;
Power amplifier module joins with the audio frequency handover module, is used for the aud. snl. of input is carried out the exterior loud speaker of power gain rear drive system; And
Power module joins with each part mentioned above, in order to vehicle-mounted 12V voltage transitions is become the required voltage of each module chip.
Control setup of the present invention is from the touch display screen input control information, and this information transfer is given the PC mainboard, and the one-chip computer module of communicating by letter is again realized control to each car police electronic equipment by bus control module.The present invention adopts bus mode (as 485 buses or CAN bus etc.), realizes the centralized and unified control to all car police electronic equipments thus.One-chip computer module links to each other with PC mainboard, bus control module, signal pre-processing module, radio interface module, bluetooth module, radio receiver module and audio frequency handover module etc. respectively, be used for various signals are controlled, and the communicating by letter of realization and PC mainboard, realize control to various modules.
Control setup of the present invention adopts PC and many MCU Redundant Control, control core by PC mainboard and one-chip computer module as system, adopt modular design, in main control system, include communication module, locating module, the touch display screen module, bus control module, the radio interface module, radio receiver module, bluetooth module, the audio frequency handover module, video acquisition interface module and power module etc., realize the warning lamp on the police car with this, siren horn, the search lamp, illuminating lamp, The Cloud Terrace, the alert radio station of using, recording monitor system, fingerprint instrument, the centralized control of multiple police electronic equipments such as cermet of identification card reader and tire pressure detector, and realized Jingwutong by software, multimedia, functions such as navigationsystem.
PC of the present invention and many MCU Redundant Control and traditional computing machine redundant different.Traditional computer redundancy is one or more module (as power module, hard disk etc.) redundancy, the present invention has realized the redundancy of PC and many MCU, PC and MCU are two relatively independent systems that connect each other again, each system can both work alone, when any one that so just can be in two systems breaks down, also have the another one system can independently finish control operation.So just can guarantee the normal operation of various car police electronic equipments, improve the global reliability and the stability of system.
Control setup of the present invention can adopt the car load design and installation, with the synchronous online production of police car, so need be after not purchasing car again the dismounting automobile install main control system additional.The present invention assembles with automobile on auto production line, not only having overcome police electronic equipment installs additional on existing vehicle and takies a large amount of interior spaces and system is difficult for stable problem, and overcome various police electronic equipments and done things in his own way, do not had shortcomings such as unified control center, instrument desk confusion, maintenance difficulty and operation inconvenience, the reliability and the safety that improve system.
Control setup of the present invention adopts modular design, can be to each module flexible configuration, and each module can be upgraded separately and do not needed the total system structure is changed on a large scale.
Control setup of the present invention adopts the vehicle-mounted dedicated cpu of ELV, and power consumption is little, and consumption of current is low, satisfies the requirement of onboard system to power supply, and standby time is longer.
Car police electronic equipment centralized controlling device of the present invention also includes:
Signal pre-processing module links to each other with one-chip computer module, is used to isolate incoming signal input end and mouth, eliminates the interference of unstable signal to micro controller system;
The video acquisition interface, it links to each other with the PC mainboard, gives the PC mainboard with the video signal transmission that collects; And
Encrypting module joins with the PC mainboard, is used for the information that is transferred to internet or public security private network is encrypted.
The encrypting module that joins with one-chip computer module is set, is used for encrypting by the network information transmitted.This measure is to have fully taken into account alert particularity with data transmission, for the requisite measure that guarantees that data transmission safety is taked.Encrypting module meets the access standard of Ministry of Public Security's encryption standard and public security private network to the encryption of transmission data.
The present invention is except unifying the centralized control with these basic car police electronic equipments of radio station warning lamp, siren horn, stroboscopic lamp, search lamp, recording apparatus and police, functions such as demonstration and control, fingerprint recognition, the cermet of identification that also can realize graphic display screen reads, wireless Internet access, Jingwutong and satellite navigation, and can realize detection of dynamic to police car driving data, detect and Reverse Sensor detection etc. as tire pressure.
Described communication module is for supporting GSM network GPRS down, or among CDMA 1X, WCDMA, CDMA2000 and the TD-SCDMA under the support cdma network any one.Communication module is to be used to realize the function of getting online without being tethered to a cable.By serial communication, internet information is transferred to the PC mainboard, the information transfer of other module that the PC mainboard will obtain from micro controller system is given communication module, realizes the wireless telecommunications of control setup of the present invention.
Described locating module can be supported gps satellite position fixing system or Beidou satellite navigation system.Locating module is used for receiving satellite positioning signals, by with the communicating by letter of PC mainboard, by bus control module, be transferred to local computer, realize the police car navigation, and can pass through communication module, the locating information of police car is inserted the internet, realize uniform dispatching police car.
The present invention has unified the operation interface and the interface of the existing car police electronic equipment on the police car, can realize the centralized and unified control to the multiple police electronic equipment of the different model of different manufacturers.Various police electronic equipments can be realized its function by the control of control setup of the present invention.The present invention has realized the Redundant Control of PC mainboard and MCU, solved the requirement of onboard system to power supply, realized that control system installs with the car synchronous production, solved the problem that takies interior space, realized warning lamp, siren horn, stroboscopic lamp, search lamp, radar, fingerprint instrument, cermet of identification card reader, recording apparatus, alert control with multiple police electronic equipments such as radio station, picture and text screen, touch display screens.
The present invention has also realized Jingwutong's function by software, through vehicle-mounted alert software set with electronic control package, police service information is carried out strict safety insert, police can realize having access to and comparing citizenship, the permanent/personal information of staying temporarily of inquiry, compare information of vehicles, obtain fugitive and order to arrest personal information and transmit functions such as public security department's internal information on police car.
The present invention can be combined as a whole warning lamp, siren horn, search lamp, illumination, The Cloud Terrace, police with multiple alert control with equipment such as radio station, recording monitor system, fingerprint instrument, cermet of identification card reader, tire pressure detector, compact conformation has reduced taking of interior space.
Use centralized controlling device of the present invention, multiple car police electronic equipment has unified and simple interface, and Cao Zuo Jian Unit is easy to use.
The present invention is configurable super-capacitor module in power module, can also realize the power supply to system like this after police car is flame-out, thus the communicating by letter and keep the continuous of police car locating information of maintenance and internet or public security private network.
The present invention can adopt the liquid crystal color line screen of multiple size to show, makes clear display, directly perceived.The present invention adopts touch-screen control, has broken away from keyboard and mouse action, makes man-machine interaction more simple and direct.On guidance panel of the present invention, also dispose shortcut, make operation directly perceived more, simple, convenient.The present invention can control the power supply of other police electronic equipment by power-supply controller of electric, reduces system power dissipation with this, satisfies the use needs of onboard system.Interface of the present invention uses car rule connector, meets the auto-industry standard, guarantees the reliability of system.
Description of drawings
Fig. 1 is a structured flowchart of the present invention.
Fig. 2 is the schematic circuit diagram of communication module.
Fig. 3 is the schematic circuit diagram of bus control module.
Fig. 4 is the schematic circuit diagram of signal preprocessor module.
Fig. 5 is the schematic circuit diagram of bluetooth module.
Fig. 6 is the schematic circuit diagram of voice handover module.
The specific embodiment
As shown in Figure 1, the present invention is connected to form by PC mainboard 1, one-chip computer module 2, touch display screen module 3, communication module 4, locating module 5, bus control module 6, radio interface module 7, bluetooth module 8, radio receiver module 9, power amplifier module 10, power module 11, signal pre-processing module 12, audio frequency handover module 13, video acquisition interface 14 and encrypting module 15.
Described PC mainboard 1 can be selected conventional structure for use, mainly finishes the control to various car police electronic equipments, and the signal of police electronic equipment is handled.It obtains control information from touch display screen, the order that decision will be implemented.It and one-chip computer module 2, communication module 4 and locating module 5 communicate, the control that utilizes bus control module 6 to realize to the various signals of control setup, thereby realize warning lamp, alarm, search lamp, The Cloud Terrace, radio station, picture and text screen, fingerprint instrument, cermet of identification card reader, Reverse Sensor, tire pressure are detected the centralized and unified control of police electronic equipments such as controller, recording monitor system, and realize functions such as Jingwutong, multimedia and location navigation by software.
Described one-chip computer module 2 includes singlechip chip, watchdog circuit, reset circuit, clock circuit, debug port circuit and serial ports change-over circuit etc., mainly be the signal control that realizes bus control module 6, radio interface module 7, bluetooth module 8, radio receiver module 9, power amplifier module 10, signal pre-processing module 12 and audio frequency handover module 13 etc., and the communicating by letter of realization and PC mainboard 1.
A kind of physical circuit of described communication module 4 is to be connected to form by communication chip U30, intelligent RS232 transceiver U31 chip, mu balanced circuit modular converter, SIM and Transient Voltage Suppressor U5 as shown in Figure 2.Wherein, the mu balanced circuit conversion module includes the voltage conversion circuit composition of 12V-4V, 4V-3V.The voltage transformation module of described 12V-4V is to be connected to form by voltage stabilizing chip U29, capacitor C 72, C73, C74, C83, C84, resistance R 27, R42, inductance L 10 and diode D3, and this circuit has been finished the voltage transitions of 12V-4V.The voltage conversion module of described 4V-3V is connected to form by linear voltage regulator U32 and capacitor C 79, C85, C86, and the voltage that this circuit has been finished 4V-3V transforms.Described communication chip U30 can realize wireless telecommunications.Described SIM is connected to form by chip J17 and capacitor C 82, C88.Intelligence RS232 transceiver U31 chip has been finished the conversion of TTL serial ports to 232 serial ports.Transient Voltage Suppressor U5 has realized the effective inhibition to glitch, thereby the circuit component of guaranteeing the back is avoided the high-octane impact of transient state and damaged.
Described locating module 5 can be selected conventional structure for use, mainly is to receive the gps satellite positioning signal, and finishes location and navigation feature to the place police car.This module and PC mainboard 1 communicate, PC mainboard 1 with the satellite positioning information transfer that gets access to communication module 4, thereby the locating information of police car is connected into internet or public security private network.
Described touch display screen module 3 also is a conventional structure, can select for use the color LCD screen of multiple size to show, realizes the operation of system is controlled with touch display screen.Touch display screen communicates with LVDS signal and PC mainboard 1,1 pair of control information from the touch display screen input of PC mainboard is analyzed and is put in order, make corresponding judgment, and then implement corresponding operation, realize control operation with this to multiple car police electronic equipments such as warning lamp, alarm, search lamp, The Cloud Terrace, radio station, picture and text screen, fingerprint instrument, cermet of identification card reader, Reverse Sensor, tire pressure radar controller, location navigation and recording monitor systems.
A kind of physical circuit of described bus control module 6 as shown in Figure 3, connect to form by level transferring chip U40, U32, capacitor C 70-C73, C105, resistance R 76, R91-R94, diode D5, D42 and phase inverter U44A, U44B, U44C etc., wherein the power supply of level transferring chip U40, U32 termination+5V direct supply.
A kind of physical circuit of described signal pre-processing module 12 mainly is to be connected and composed by photoelectrical coupler U18, U20-U23 and resistance R 77-R82 as shown in Figure 4.Its effect mainly is that the complete electricity of realizing input end and mouth is isolated, and exempts and disturbing.The signal of handling through photoelectrical coupler inserts in the micro controller system again, can eliminate the interference of unstable signal to micro controller system.After signal between input end of vehicle radio station (DIANTAI-IN) and mouth (DIANTAI-OUT) carries out pretreatment through this signal pre-processing module, can be within fixing voltage range with the input and output signal clamper.
Described radio interface module 7 can adopt conventional structure, and this module has realized the compatibility of radio station serial ports and bus.The sound signal that the radio station obtains transfers out through the external device loud speaker by the selection of audio frequency handover module 13 again.
A kind of physical circuit of described bluetooth module 8 is made of Bluetooth signal transceiving chip U1, data transmission module and voice transfer module as shown in Figure 5.Wireless hand miaow is made up of capacitor C 10, C11, inductance L 3, L5, voltage transformer T4, a wireless input port (Wireless-in) and two voice ports (SPEAK+, SPEAK-) to the voice channel of bluetooth.Bluetooth is made up of capacitor C 5, C6, C9, C12, resistance R 1, R2, R17, voltage transformer T3, a no line output terminal (Wireless-out) and two microphone terminals (MIC-, MIC+) to the voice channel of system.
The mode of operation of one-chip computer module 2 control bluetooth modules 8.During bluetooth module 8 work and exterior bluetooth (as the bluetooth in the hand miaow) communicate.Promptly when when wireless hand miaow is propagandaed directed to communicate, through the bluetooth of wireless hand miaow the inside voice signal is transferred to bluetooth module 8 in apparatus of the present invention, bluetooth module 8 passes through the voice messaging that receives the selection of audio frequency handover module 13, send into power amplifier module 10, and then send by the exterior loud speaker of system.
Described radio receiver module 9 adopts conventional structure, and this module realizes functions such as wireless switch, channel selection and accent platform by one-chip computer module 2 controls.Radio receiver module 9 by the selection of audio frequency handover module 13, is sent into power amplifier module 10 with the audio-frequency information that receives, and then sends by the exterior loud speaker of system.
A kind of physical circuit of described voice handover module 13 is connected to form by two-channel digital analog switch U9, U13, U14, digital regulation resistance U6, U7, capacitor C 13, C14, resistance R 13-R16, R18-R26, R28, R29 and 5 pin interface J3 as shown in Figure 6.
The radical function of voice handover module 13 is that the aud. snl. of wireless hand miaow signal, radio station aud. snl., PC mainboard and wireless aud. snl. etc. are carried out the switching of voice signal and volume is regulated, and can also the output video collection, the power amplifier of the MIC in radio station, roof siren horn sound, base plate etc.The voice channel of this module selects to be subjected to the control of PC mainboard 1.
Described power amplifier module 10 is a conventional structure, its mainly act on be to the input sound signal carry out power gain.The voice signal of wireless hand miaow signal, radio station voice signal, PC and wireless aud. snl. etc., the selection through audio frequency handover module 11 outputs to power amplifier module 10, after power amplifier module 10 amplifies, send the exterior loud speaker of system to broadcast.
Described encrypting module 15 can adopt conventional structure, joins with one-chip computer module 2, and its effect is that the police service information that inserts the internet is encrypted, and then inserts the internet by communication module 4.
Described power module 11 provides corresponding 5V and 12V power supply to System on Chip/SoC.Because the voltage that system provided can not satisfy the demand of all chip voltages, satisfy needed 5V of System on Chip/SoC and 12V voltage so power supply voltage need be converted to through this power module 11, guarantee the normal operation and the operation of system thus.
Claims (8)
1, a kind of car police electronic equipment centralized controlling device is characterized in that including:
PC mainboard (1) links to each other with other module, is the core of data handing;
One-chip computer module (2) links to each other with each module with PC mainboard (1), communicates by letter with the PC mainboard, handles the signal of each module;
Touch display screen module (3) links to each other with PC mainboard (1), is the interface of man-machine interaction, finishes the operation to car police electronic equipment;
Communication module (4) links to each other with PC mainboard (1), is the media of PC mainboard (1) and internet or the information communication of public security private network;
Locating module (5) with linking to each other of PC mainboard (1), receives satellite positioning information;
Bus control module (6) links to each other with one-chip computer module (2) with PC mainboard (1), realizes communicating by letter of this device and car police electronic equipment, thereby realizes various alert controls with equipment;
Radio interface module (7) is joined with PC mainboard (1) and one-chip computer module (2) respectively, is used to make the compatibility of radio station serial ports and RS232;
Bluetooth module (8) is by one-chip computer module (2) control, in order to communicate with system exterior prison tooth equipment;
Radio receiver module (9) links to each other with one-chip computer module (2), by Single-chip Controlling, realizes wireless switch, channel selection and listens to;
Audio frequency handover module (13) joins with bluetooth module (8), radio receiver module (9), PC mainboard (1) and radio interface module (7) respectively, is used for the sound signal that is received switched with volume regulating;
Power amplifier module (10) joins with audio frequency handover module (13), is used for the aud. snl. of input is carried out the exterior loud speaker of power gain rear drive system; And
Power module (11) joins with each part mentioned above, in order to vehicle-mounted 12V voltage transitions is become the required voltage of each module chip.
2, car police electronic equipment centralized controlling device according to claim 1 is characterized in that also including:
Signal pre-processing module (12) links to each other with one-chip computer module (2), is used for isolation signals input end and mouth, eliminates the interference of unstable signal to micro controller system;
Video acquisition interface (14), it links to each other with PC mainboard (1), gives PC mainboard (1) with the video signal transmission that collects; And
Encrypting module (15) joins with PC mainboard (1), is used for the information that is transferred to internet or public security private network is encrypted.
3, car police electronic equipment centralized controlling device according to claim 1 and 2, it is characterized in that described communication module (4) for supporting the GPRS of GSM net, or support among CDMA 1X, WCDMA, CDMA2000 and the TD-SCDMA of CDMA net any one.
4, car police electronic equipment centralized controlling device according to claim 1 and 2 is characterized in that described locating module (5) support GPS position fixing system and big-dipper satellite position fixing system.
5, car police electronic equipment centralized controlling device according to claim 1 and 2 is characterized in that disposing super-capacitor module in described power module (11).
6, car police electronic equipment centralized controlling device according to claim 1 and 2 is characterized in that described communication module (4) is to be connected to form by communication chip U30, intelligent RS232 transceiver U31 chip, mu balanced circuit modular converter, SIM and Transient Voltage Suppressor U5.
7, car police electronic equipment centralized controlling device according to claim 1 and 2 is characterized in that described bus control module (6) is to be connected to form by level transferring chip U40, U32, capacitor C 70-C73, C105, resistance R 76, R91-R94, diode D5, D42 and phase inverter U44A, U44B, U44C etc.
8, car police electronic equipment centralized controlling device according to claim 1 and 2 is characterized in that described voice handover module (13) is to be connected to form by two-channel digital analog switch U9, U13, U14, digital regulation resistance U6, U7, capacitor C 13, C14, resistance R 13-R16, R18-R26, R28, R29 and 5 pin interface J3.
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| CN102039858A (en) * | 2010-07-19 | 2011-05-04 | 河北普华科技有限公司 | Central control system of police vehicle-mounted electronic equipment |
| CN102173289A (en) * | 2011-02-12 | 2011-09-07 | 广州汽车集团股份有限公司 | Method for controlling automatic muting of volume of auto sound in the backing process |
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| CN102039858A (en) * | 2010-07-19 | 2011-05-04 | 河北普华科技有限公司 | Central control system of police vehicle-mounted electronic equipment |
| CN102173289A (en) * | 2011-02-12 | 2011-09-07 | 广州汽车集团股份有限公司 | Method for controlling automatic muting of volume of auto sound in the backing process |
| CN102173289B (en) * | 2011-02-12 | 2012-11-28 | 广州汽车集团股份有限公司 | Method for controlling automatic muting of volume of auto sound in the backing process |
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| CN102611991A (en) * | 2012-04-06 | 2012-07-25 | 李予温 | Internet/Internet of things computer intelligent module based on Beidou satellite navigation system |
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| CN103454663A (en) * | 2013-08-15 | 2013-12-18 | 中国航天系统工程有限公司 | Bus-mounted intelligent terminal based on Beidou/GPS compatible location |
| CN103454663B (en) * | 2013-08-15 | 2015-10-28 | 中国航天系统工程有限公司 | A kind of public transport vehicle-mounted intelligent terminal based on the Big Dipper/GPS compatible positioning |
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| CN105721658B (en) * | 2016-04-14 | 2019-03-05 | 延锋伟世通（重庆）汽车电子有限公司 | The vehicle audio and its working method for having automatic control and wireless communication function |
| CN106353781A (en) * | 2016-12-01 | 2017-01-25 | 东风电子科技股份有限公司 | Beidou terminal device based on multi-chip cooperative work and control method |
| CN108271097A (en) * | 2018-02-05 | 2018-07-10 | 林红英 | A kind of car audio system |
| CN108307265A (en) * | 2018-02-05 | 2018-07-20 | 林红英 | A kind of car audio system for supporting bluetooth |
| CN108556764A (en) * | 2018-05-03 | 2018-09-21 | 李建营 | The police vehicle-mounted office system of one kind and method |
| CN109167641A (en) * | 2018-07-28 | 2019-01-08 | 中国人民解放军战略支援部队信息工程大学 | Narrow-band power amplifier method for extracting fingerprint feature and device |
| CN116800284A (en) * | 2023-07-18 | 2023-09-22 | 北京捷星电子科技有限公司 | Bluetooth multimedia radio |
| CN116800284B (en) * | 2023-07-18 | 2024-03-12 | 北京捷星电子科技有限公司 | Bluetooth multimedia radio |
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