CN201488975U

CN201488975U - Multi-module detachable expired gas alcoholicity tester

Info

Publication number: CN201488975U
Application number: CN2009201351230U
Authority: CN
Inventors: 陈新
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-27
Filing date: 2009-02-27
Publication date: 2010-05-26
Anticipated expiration: 2019-02-27

Abstract

The utility model discloses a multi-module detachable expired gas alcoholicity tester. A main body module of the tester can realize the complete alcoholicity test functions and all subordinate modules such as a printing module, a fingerprint acquisition module, a face identification module, a driver license reading module, a boosting battery module and the like which also can realize all additional functions; the main body module and all the subordinate modules can be assembled together by using self-contained mechanisms to form a whole apparatus, and also can work after being disassembled. The multi-module detachable structure can realize the all-in-one assembly of the main body module and all the subordinate modules and the simple and easy replacement of all the subordinate modules; and the main body module and all the subordinate modules can be disassembled and can respectively and independently work.

Description

But multimode assembly unit alcoholicity of exhaled gas tester

Technical field

The utility model relates to a kind of alcoholicity of exhaled gas tester, but a kind of alcoholicity of exhaled gas tester multimode splicing structure of novelty particularly.

Background technology

The 91 of " People's Republic of China's law on road traffic safety " (implementing from May 1st, 2004) clearly driven motor vehicle to drink back and drunk back and made punishment regulations.State Standard of the People's Republic of China's " vehicle drive personnel blood, breath alcohol concentration threshold value and check " (enforcements on May 31st, 2004) of State Administration for Quality Supervision and Inspection and Quarantine issue the vehicle drive personnel are drunk and during drunk driving alcohol content threshold value and the detection method in the expiration make stipulations." alcoholicity of exhaled gas detector " (enforcement on June 1st, 2008) is made clearly regulation to the printing of wine inspection instrument measurement result, require that " wine inspection instrument should be furnished with printing equipment; print What should comprise the time of measurement and the result of measurement at least; the test result of printing should be consistent with the survey fruit that shows, and reserves the position that tested object and operator sign.”

The police comes the alcohol content of test drives person in exhaling by the alcoholicity of exhaled gas detector, thereby judges whether the driver drives when intoxicated, and goes out measurement result as punishing justification by printer prints.Existing alcohol tester printer or be a discrete unit, or be and being made of one of alcohol tester.

Certain discrete alcohol tester for example, comprise housing parts, gas picks up part and sampling, show, input, alarm, central processing portion, gas in housing picks up part and is made up of extraction sector and blow gas pressure testing agency, extraction sector will extract an amount when the blow gas pressure condition satisfies gas enters in the fuel cell chamber and produces electrochemical reaction, signal is through over-sampling, amplify to deliver to and demonstrate the result to the display part after central authorities handle, and as required by importation input relevant information, this machine has wireless printing interface, need open printer power supply when needing to print, two machines are used, and operating process is loaded down with trivial details.

Certain integrated alcohol tester for example, its structure comprises that not only all discrete structures also have printing portion, an integral body is partly made in printing portion and alcohol screen test, limited the use of alcohol tester, the client who for example has does not need printing portion then can only change machine, and and for example the user needs a new this structure of driver's license read function can not realize upgrading, also has the printing portion of working as to break down, can only the complete machine depot repair, give produce and sell, maintenance, upgrading make troubles.

The utility model content

At discrete alcohol tester and the existing variety of problems of integrated alcohol tester, the utility model provides a kind of adaptation modern society functional diversities, and structure is small and exquisite, but assembly unit multimode assembly unit easily alcohol tester.For realizing this purpose, the technical scheme of being taked is:

Main body module is the alcohol screen test module, in the machine by embedded 32-bit microprocessor as CPU (central processing unit), cooperate circuit such as sampling, demonstration, button and touch-screen input, alarm, storage.Sample circuit can be divided into alcohol sampling and two parts of force samples again, the signal that alcohol concentration sensor imports into is taken from the alcohol sampling, amplify through difference, analog to digital conversion is sent to CPU (central processing unit) and handles, force samples is taken from the signal that pressure transducer imports into, amplify through difference, remove initial value, deliver to CPU (central processing unit) after the filtering and handle.Gas picks up part and cooperates alcohol concentration and pressure two sensors, wherein extraction sector is responsible for the gas of high-precision extraction ormal weight in the alcohol sensor reaction chamber, electrochemical reaction takes place in alcohol gas in reaction chamber, can generate the response voltage of correspondence according to the difference of concentration.Main body module is finished and can be started bluetooth equipment when needing to print after the test and wake slave unit up, realizes the bluetooth printing function.

Each accessory module is the example explanation with the print module, and print module as central schistosity unit, cooperates printer core heating, motor paper feed, character library, circuit such as bluetooth by single-chip microcomputer.One amount bluetooth slave unit receives type information, promptly starts printing mechanism and finishes printing function.

Main body module and accessory module are bolted together by self-contained mechanical hook-up, and self-contained mechanical hook-up divides slide block chute and snap close two parts.Slide block with accessory module inserts in the chute of main body module earlier, and vertical then direction of insertion moves to the end, and two modules are on the same level, and the snap close that at this moment rotates main body module is to locked position, and the crescent pin of snap close below is fixed tight accessory module.This self-contained locking device have compact conformation, succinct, be easy to make, advantages such as coupling mechanism force is big, good fixing effect, the assembly unit dismounting is very convenient, only needs one piece of coin can finish whole process.

Description of drawings

Fig. 1 is an all directions view of the present utility model.

Fig. 2 is a design sketch of the present utility model.

Embodiment

The alcohol tester main body module comprises housing parts, and gas picks up parts such as part and sampling, processing, demonstration, alarm, input, Bluetooth transmission.Gas picks up part and is made up of blowpipe, pressure breathing mouth, fuel cell admission piece, fuel cell, pressure transducer, electromagnetism aspiration pump and connection silicone tube thereof etc.When having alcohol gas to be blown in the blowpipe, pressure transducer can detect the variation of blow gas pressure, when detecting the blow gas pressure that satisfies condition, the electromagnetism aspiration pump can be worked, from blowpipe, extract the gas of accurate quantification in the fuel cell chamber, alcohol adds electrochemical reaction at fuel cell chamber confidential reference items, generates one and concentration dependent volt-time curve.Sampling section is divided into force samples part and alcohol sampling section, the force samples part is made up of pressure transducer, differential amplifier circuit, elimination initial value circuit, filtering circuit etc., when pressure transducer has pressure to change, this variable signal can be reached amplifier, amplify through amplifier, through eliminating the initial value processing of circuit, signal can be controlled the extraction sector action through delivering to central processing portion after the amplification filtering for the second time when central processing portion calculates the air blowing that satisfies condition again; The alcohol sampling section is by alcohol concentration sensor, the high-precision difference amplifying circuit, short circuit current, analog to digital conversion circuit is formed, when alcohol at fuel cell chamber internal reaction, when generating a voltage time response curve on the resistance that fuel cell is connected, differential amplifier circuit can amplify this signal to the analog-to-digital conversion circuit, analog signal digital is become the digital signal that central processing module can be handled, according to different algorithm maximizing or integrations, central processing unit obtains a concrete numerical value, this numerical value is one and concentration dependent amount, the data of demarcating when foundation is dispatched from the factory then calculate real alcohol content.Central processing portion reaches this computational data on the display device, and according to after drinking or drunk standard, sends alarm signal, congratulates the occasion of sailing card number, license plate number, people's police's warning signal on duty in the needs input.By input equipment, keyboard or information input from touch screen, the information of input and the alcohol content that records can store in the storage chip with the form of test record automatically, inquiry after convenient, when test result need be printed, CPU (central processing unit) starts main bluetooth module and from the bluetooth module communication, transmits print signal to printer section, finishes print procedure.

This alcohol tester has the anti-cheating function of blowing, and hole of the diplopore blowpipe that is adopted is the pressure breathing hole, and one is the alcohol air admission hole, enters pressure transducer by the pressure breathing mouth respectively and enters in the alcohol sensor chamber by the alcohol admission piece.During air blowing the air pressure of insufflation pressure sensor be on the occasion of, the air pressure of alcohol sensor is little negative value, the measured pressure of pressure transducer does not meet the demands for negative when air-breathing, is considered as invalid air blowing.If only insert the pressure breathing hole when blowing, do not insert or insert good alcohol air admission hole, can monitor out different that pressure changes with an auxiliary pressure sensor of alcohol sensor bypass, undesirable air blowing situation is got rid of.If the single hole blowpipe has one-way, also can use the single hole blowpipe, utilize convenient air blowing of turnability of single hole blowpipe, only insert the alcohol air admission hole, can meet the demands fully.

Print module is an independently complete minitype thermal printer, adopt the APS of world's minimum dimension easily to adorn paper temperature-sensitive movement, utilizing power supply is the high voltage characteristic of two batteries series connection, select SS205_V2_HS high speed model for use, reach 50% than its LV model raising speed, realized the fast and high quality printing.Printer circuitry by single-chip microcomputer, printer core add that the control of heat control, motor paper feed, character library are read, Bluetooth transmission etc. partly forms.By after bluetooth equipment receives main bluetooth print data on the main frame, inputing to single-chip microcomputer on the printer, single-chip microcomputer is a main control unit, from character library, read type matrix, and the heating state of every some row of control thermal printing movement, after every some line printing is intact, step motor is realized accurate paper feed step, continues to print down and a bit goes until finishing.But the multimode splicing structure is a kind of test in power supply, alcohol tester shows for giant-screen LCD, backlight is a main energy dissipation device, print module when being bolted together with main body module also from the main body module power taking, very high to battery capacity and maximum discharge current performance demands like this, main body module has partly been selected advanced jumbo lithium battery for use, each subfunction to main body and print module partly realizes very meticulous power supply control simultaneously, only when partly working, subfunction just powers, save current drain, taked these steps can satisfy the energy requirement of 24 hours uninterrupted test.

Main body module and accessory module are bolted together by self-contained mechanical hook-up, and self-contained mechanical hook-up refers to that this mechanical hook-up belongs to the part of main body module or accessory module, rather than discrete device, and it plays the effect of the main attached module of locking.A fine realization example is exactly comprehensively to realize with slide block chute and snap close.The main body module downside has two chutes, the accessory module upper side has two slide blocks, slide block with accessory module inserts in the chute of main body module earlier, move to the end perpendicular to direction of insertion then, at this moment screens sound gently arranged, because the button bit in the chute works, locating two modules does not come off, when being in after two module registration on the same level, the snap close that at this moment rotates main body module is to locked position, and the crescent pin of snap close below is fixed tight accessory module.This self-contained locking device have compact conformation, succinct, be easy to make, advantages such as coupling mechanism force is big, good fixing effect, the assembly unit dismounting is very convenient, only needs one piece of coin can finish whole process.

By latch mechanism locking, main body module and accessory module are coupled to an integral body on surface structure, can operate very easily as a complete machine.When the needs module is changed, accessory module only need earlier through and locking process reverse operating process, just can very conveniently dismantle, use again and lock another accessory module with quadrat method and can finish replacing.The module that changes also can independently be worked, we are furnished with battery interface for each module, each module has a separate equipment of one's own after loading onto battery interface, they all are that the main equipment that slave unit and main body module are formed carries out message exchange, finish one main many from the multi-usage operation.But the multimode splicing structure has fundamentally solved the problem that the alcohol tester function expands, the needs that adapt to modern society's technical progress, when increasing function, do not need to change main frame, only need to increase module, knot has been economized resource and fund, and newly-increased module can be bolted together with main body module, it is convenient especially to use, in addition, in the producing and selling of product and wait after sale on the link also very convenient, can break separately and carry out, particularly increase the diversity of product on the sales section, enlarge the competitive power in market.

It more than is preferred embodiment of the present utility model; all changes of doing according to technical solutions of the utility model; no matter be part or all changes, when the function that is produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.

Claims

1. but multimode assembly unit alcoholicity of exhaled gas tester, comprise the main body module that can realize complete alcohol testing function, it is characterized in that: described tester also comprises with main body module and adopts self-contained mechanical hook-up to be bolted together into the accessory module of as a whole instrument; Described accessory module is made up of print module, finger print acquisition module, face recognition module, driver's license read module, the additional mutual clamping amalgamation of battery module, and each module can be changed easily; Main body module and accessory module are detachable to work alone.

2. tester according to claim 1, it is characterized in that: the instrument that can finish the alcohol detection function that described main body module is made up of subfunctions such as demonstration, sampling, storage, communication, input, alarms, wherein, alcohol concentration sensor can be the fuel cell type alcohol concentration sensor, also can be the semi-conductor type alcohol concentration sensor.

3. tester according to claim 1 is characterized in that: the printer core that described print module adopted can be the thermal printing movement that microminiature is easily adorned paper, also can be microminiature stylus printing movement.

4. tester according to claim 1 is characterized in that: the fingerprint sensor that described finger print acquisition module adopted can be optical fingerprint sensor, semicoductor capacitor sensor, semiconductor heat dependent sensor, semiconductor pressure sensor, ultrasonic sensor and radio frequency sensor.

5. tester according to claim 1 is characterized in that: described face recognition module is a kind of face recognition technology that adopts the embedded processing scheme.

6. tester according to claim 1 is characterized in that: described driver's license read module can be that the scanning of first generation driver's license is read, and also can be the wireless reading of second generation driver's license.

7. according to any described tester of claim 2 to 6, it is characterized in that: described self-contained mechanical hook-up is a locking device, wherein, the self-contained part that to mean locking device be not discrete but belong to main body or accessory module, locking device can be fixed together main attached module, also can dismantle separately.