CN204090017U - A kind of law-enforcing recorder being provided with alcohol monitoring device - Google Patents
A kind of law-enforcing recorder being provided with alcohol monitoring device Download PDFInfo
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- CN204090017U CN204090017U CN201420360523.2U CN201420360523U CN204090017U CN 204090017 U CN204090017 U CN 204090017U CN 201420360523 U CN201420360523 U CN 201420360523U CN 204090017 U CN204090017 U CN 204090017U
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Abstract
The utility model discloses a kind of law-enforcing recorder being provided with alcohol monitoring device, the alcohol monitoring device comprising recorder body and be connected with recorder body by HDMI unit, described alcohol monitoring device comprises the tin ash sensing unit, sample of signal unit and the signal amplification unit that connect successively, and described signal amplification unit output is connected with HDMI unit.Law-enforcing recorder of the present utility model is easy to use, improves the operating efficiency of law enfrocement official, and directly adopts the HDMI of recorder body, and realize simple, cost is low.
Description
Technical field
The utility model relates to the number equipment field of on-the-spot acoustic image evidence obtaining on duty, is specifically related to a kind of law-enforcing recorder being provided with alcohol monitoring device.
Background technology
Law-enforcing recorder is also known as police law-enforcing recorder or on-site law-enforcing recorder.Law-enforcing recorder is the actual demand for law enforcement agency, and the police individual soldier's product of a high-tech of design research and development, is suitable for each categories within police force.Integrate digital vedio recording, digital photographing, intercommunication transmitter function, can to carrying out dynamic, static field condition digitized record in enforcing law.Law-enforcing recorder is lightweight with it, volume is little, wearing is flexible, waterproof, shockproof, anti-ly fall the advantages such as ability is good and be used widely in police on-site law-enforcing field.
At present, the law enforcement field major part of law enfrocement official's process is the traffic accident scene of the accident, and relates in the on-the-spot evidence collection information of traffic accident accident, and requisite is the alcohol concentration information of personnel concerning the case.Namely in the traffic accident scene of the accident, law enfrocement official needs to carry out alcohol concentration test to personnel concerning the case in time.At present, law enfrocement official goes to the scene of the accident to need to carry alcohol tester and law-enforcing recorder simultaneously.Carry inconvenience, and when carrying out on-site data gathering, law enfrocement official to operate law-enforcing recorder, operates alcohol tester again, use very inconvenient, affect the operating efficiency of law enfrocement official.In addition, the information detected due to alcohol tester and the information of law-enforcing recorder collection store respectively, process respectively, make the preservation of evidence and process extremely inconvenient, and above-mentioned two groups of Data Matching processes are easily made mistakes, have a strong impact on the accuracy of law enforcement evidence, against enforcing law impartially, principle accurately.
Utility model content
The purpose of this utility model overcomes weak point of the prior art, provides a kind of law-enforcing recorder being provided with alcohol monitoring device.
The purpose of this utility model is achieved through the following technical solutions:
A kind of law-enforcing recorder being provided with alcohol monitoring device, comprise recorder body, described recorder body comprises central control unit and the video/audio signal collecting unit be connected with central control unit respectively, memory cell, power supply, HDMI unit, and gathered video/audio signal is transferred to central control unit by described video/audio signal collecting unit; Received video/audio signal is stored to memory cell by described central control unit, described power supply provides operating voltage for law-enforcing recorder, it is characterized in that, also comprise the alcohol monitoring device be connected with recorder body by HDMI unit, described alcohol monitoring device comprises the tin ash sensing unit, sample of signal unit and the signal amplification unit that connect successively, and described signal amplification unit output is connected with HDMI unit.
As preferably, described law-enforcing recorder also comprises the LED light be connected with central control unit, for lighting higher than during preset concentration threshold value when the alcohol concentration that alcohol monitoring device detects, reports to the police.
As preferably, described law-enforcing recorder also comprises the buzzer be connected with central control unit, for remembering higher than during preset concentration threshold value when the alcohol concentration that alcohol monitoring device detects, reports to the police.
Particularly, described sample of signal unit comprises the first resistance R1 and the second resistance R2, the ground end of a termination tin ash sensing unit of described first resistance R1; The output of another termination tin ash sensing unit, connects the input of signal amplification unit after the second resistance R2 that simultaneously connects.
Particularly, described signal amplification unit comprises operational amplifier IC2A and a negative-feedback circuit thereof, described negative-feedback circuit comprises an electrochemical capacitor C1, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, the reverse input end of described operational amplifier IC2A is connected the 3rd resistance R3 successively, the output of operational amplifier IC2A is connect after 4th resistance R4, described 5th resistance R5 and the 4th resistance R4 is connected in parallel, described electrochemical capacitor C1 and the 3rd resistance R3, 4th resistance R4, the circuit in parallel that 5th resistance R5 is formed connects, ground connection after reverse input end series connection the 6th resistance R6 of described operational amplifier IC2A, as exporting termination HMDI interface unit after output series connection the 7th resistance R7 of described operational amplifier IC2A.Described electrochemical capacitor C1, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5 and operational amplifier IC2A form integrating circuit, improve the stability that exports while amplifying to sampled signal.
The utility model has following advantage relative to prior art:
(1) the utility model is arranged through the alcohol monitoring device that HDMI unit is connected with recorder body, easy to use, improves the operating efficiency of law enfrocement official, and directly adopts the HDMI of recorder body, and realize simple, cost is low.
(2) described alcohol monitoring device is connected by HDMI with recorder body, recorder body is by HDMI for alcohol monitoring device provides operating voltage, and alcohol monitoring device does not need external power supply, and structure is simple, and make small product size little, be convenient for carrying.
(3) described alcohol monitoring device is connected by HDMI with recorder body, when needing the transfer of data of law-enforcing recorder to other equipment, desirable lower alcohol monitoring device, law-enforcing recorder carries out data interaction by HDMI and other equipment, easy to use.
(4) by arranging LED light and buzzer, the alcohol concentration detected when alcohol monitoring device is reported to the police higher than during preset concentration threshold value, and the other staff being convenient to law enfrocement official and law enforcement field learn that in tested personnel's body, whether alcohol concentration is higher than the concentration threshold preset in time.
(5) when the alcohol concentration that alcohol monitoring device detects is higher than preset concentration threshold value, central control unit exports corresponding control command to video/audio signal collecting unit, is undertaken recording a video or taking a picture, realize evidence collection by video/audio signal collecting unit.
Accompanying drawing explanation
Fig. 1 is the former road block diagram of the law-enforcing recorder being provided with alcohol monitoring device in embodiment;
Fig. 2 is the circuit theory diagrams of alcohol monitoring device in embodiment;
Wherein, recorder body 1; Central control unit 101; Video/audio signal collecting unit 102; Memory cell 103; Power supply 104; HDMI unit 105; Alcohol monitoring device 2; Tin ash sensing unit 201; Sample of signal unit 202; Signal amplification unit 203; LED light 106; Buzzer 107; Display unit 108.
Embodiment
Face in conjunction with the embodiments and accompanying drawing the utility model is described in further detail, but the utility model create execution mode be not limited thereto.
Embodiment
As shown in Figure 1, a kind of law-enforcing recorder being provided with alcohol monitoring device, comprises recorder body 1 and alcohol monitoring device 2.Described recorder body comprises central control unit 101 and the video/audio signal collecting unit 102 be connected with central control unit respectively, memory cell 103, power supply 104, HDMI unit 105, LED light 106, buzzer 107.
Gathered video/audio signal is transferred to central control unit by described video/audio signal collecting unit; Received video/audio signal is stored to memory cell by described central control unit, and described power supply provides operating voltage for law-enforcing recorder.
Described alcohol monitoring device is connected with recorder body by HDMI unit.Described alcohol monitoring device comprises the tin ash sensing unit 201, sample of signal unit 202 and the signal amplification unit 203 that connect successively, and described signal amplification unit output is connected with HDMI unit.
The alcohol concentration information of detection is transferred to central control unit by HDMI unit by described alcohol monitoring device.Described central control unit is previously provided with concentration threshold, and described concentration threshold sets according to the drunk driving test number of national regulation.The alcohol concentration information that alcohol monitoring device detects by described central control unit compares with the concentration threshold preset, if the alcohol concentration detected is greater than default concentration threshold, then export corresponding control command to LED light, buzzer, now LED light light, buzzer sounding, report to the police.In addition, described central control unit also exports corresponding control command to audio-video signal collecting unit, is undertaken recording a video or taking a picture, realize evidence collection by video/audio signal collecting unit.Received alcohol concentration information is also saved to memory cell by described central control unit, when exporting alcohol concentration information, by alcohol concentration information superposition on video and image data, become the some of law enforcement taking of evidence, make law enforcement taking of evidence more comprehensive.Output display is carried out in OSD mode by display unit when described alcohol concentration information exports.
As shown in Figure 2, described sample of signal unit comprises the first resistance R1 and the second resistance R2, the ground end of a termination tin ash sensing unit of described first resistance R1; The output of another termination tin ash sensing unit, connects the input of signal amplification unit after the second resistance R2 that simultaneously connects.
Described signal amplification unit comprises operational amplifier IC2A and a negative-feedback circuit thereof, described negative-feedback circuit comprises an electrochemical capacitor C1, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, the reverse input end of described operational amplifier IC2A is connected the 3rd resistance R3 successively, the output of operational amplifier IC2A is connect after 4th resistance R4, described 5th resistance R5 and the 4th resistance R4 is connected in parallel, described electrochemical capacitor C1 and the 3rd resistance R3, 4th resistance R4, the circuit in parallel that 5th resistance R5 is formed connects, ground connection after reverse input end series connection the 6th resistance R6 of described operational amplifier IC2A, HMDI interface unit is connect after output series connection the 7th resistance R7 of described operational amplifier IC2A.
The above embodiment only have expressed execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (6)
1. one kind is provided with the law-enforcing recorder of alcohol monitoring device, comprise recorder body (1), described recorder body comprises central control unit (101) and the video/audio signal collecting unit (102) be connected with central control unit respectively, memory cell (103), power supply (104), HDMI unit (105), and gathered video/audio signal is transferred to central control unit by described video/audio signal collecting unit; Received video/audio signal is stored to memory cell by described central control unit, described power supply provides operating voltage for law-enforcing recorder, it is characterized in that, also comprise the alcohol monitoring device (2) be connected with recorder body by HDMI unit, described alcohol monitoring device comprises the tin ash sensing unit (201), sample of signal unit (202) and the signal amplification unit (203) that connect successively, and described signal amplification unit output is connected with HDMI unit.
2. the law-enforcing recorder being provided with alcohol monitoring device according to claim 1, is characterized in that: described recorder body also comprises the LED light (106) of reporting to the police for high concentration, and described LED light is connected with central control unit.
3. the law-enforcing recorder being provided with alcohol monitoring device according to claim 1, is characterized in that: described recorder body also comprises the buzzer (107) of reporting to the police for high concentration, and described buzzer is connected with central control unit.
4. the law-enforcing recorder being provided with alcohol monitoring device according to claim 1, is characterized in that: described sample of signal unit comprises the first resistance R1 and the second resistance R2, the ground end of a termination tin ash sensing unit of described first resistance R1; The output of another termination tin ash sensing unit, connects the input of signal amplification unit after the second resistance R2 that simultaneously connects.
5. the law-enforcing recorder being provided with alcohol monitoring device according to any one of Claims 1-4, it is characterized in that: described signal amplification unit comprises operational amplifier IC2A and a negative-feedback circuit thereof, described negative-feedback circuit comprises an electrochemical capacitor C1, 3rd resistance R3, 4th resistance R4, 5th resistance R5, 6th resistance R6, the reverse input end of described operational amplifier IC2A is connected the 3rd resistance R3 successively, the output of operational amplifier IC2A is connect after 4th resistance R4, described 5th resistance R5 and the 4th resistance R4 is connected in parallel, described electrochemical capacitor C1 and the 3rd resistance R3, 4th resistance R4, the circuit in parallel that 5th resistance R5 is formed connects, ground connection after reverse input end series connection the 6th resistance R6 of described operational amplifier IC2A, HMDI interface unit is connect after output series connection the 7th resistance R7 of described operational amplifier IC2A.
6. the law-enforcing recorder being provided with alcohol monitoring device according to claim 5, is characterized in that: described recorder body also comprises and being connected with CPU, and for the display unit (108) of output display audio/video information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360523.2U CN204090017U (en) | 2014-06-30 | 2014-06-30 | A kind of law-enforcing recorder being provided with alcohol monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420360523.2U CN204090017U (en) | 2014-06-30 | 2014-06-30 | A kind of law-enforcing recorder being provided with alcohol monitoring device |
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| Publication Number | Publication Date |
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| CN204090017U true CN204090017U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420360523.2U Expired - Fee Related CN204090017U (en) | 2014-06-30 | 2014-06-30 | A kind of law-enforcing recorder being provided with alcohol monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654655A (en) * | 2020-06-09 | 2020-09-11 | 佳思德科技(深圳)有限公司 | Data processing method for drunk driving inspection and treatment |
-
2014
- 2014-06-30 CN CN201420360523.2U patent/CN204090017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654655A (en) * | 2020-06-09 | 2020-09-11 | 佳思德科技(深圳)有限公司 | Data processing method for drunk driving inspection and treatment |
| CN111654655B (en) * | 2020-06-09 | 2022-07-29 | 佳思德科技(深圳)有限公司 | Data processing method for drunk driving inspection and treatment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170630 |
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| CF01 | Termination of patent right due to non-payment of annual fee |