CN2883103Y - Novel auto inflator gun - Google Patents
Novel auto inflator gun Download PDFInfo
- Publication number
- CN2883103Y CN2883103Y CN 200520144256 CN200520144256U CN2883103Y CN 2883103 Y CN2883103 Y CN 2883103Y CN 200520144256 CN200520144256 CN 200520144256 CN 200520144256 U CN200520144256 U CN 200520144256U CN 2883103 Y CN2883103 Y CN 2883103Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- new type
- type auto
- charge gun
- auto charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses an automatic inflation gun, which comprises a gun body. Lower end of a gun handle of the gun body is provided with an intake joint; a gunpoint of the gun body is provided with an air entrainment soft pipe provided with an inflation collet at its end. The gun body is provided with an inflated control valve, deflation control valve and an air-pressure indicator device connected with the gas path. The air-pressure indicator device comprises a shell, an air-pressure sensor, an interior circuit, a number display and a power source. The number display is provided with a lighting device. The utility model has the advantages of being simple in structure, small in cubage, light in weight, and precise in measurement. In addition, the device could correctly read the data on the display even under the dim or insufficient light situation and be free from any influence and enjoy much wider application market.
Description
Technical field
The utility model relates to a kind of device that the tire of power actuated vehicle is put on the air, a kind of more precisely multi-functional automatic charge gun.
Background technology
At present, the Tire Inflation System that is used for power actuated vehicles such as automobile on the market, the overwhelming majority is common conventional tyre charge gun, this conventional tyre charge gun is generally by the charge gun shell, be arranged on the loading line in the charge gun shell, control handle and the parts such as air pressure test indicator that link to each other with loading line are formed, function is comparatively single, its air pressure test indicator mostly is a pointer structure, air pressure numerical value shows by mechanical drive mode, survey precision is low, use also very inconvenient, in addition, when under the situation of dim light or night light deficiency, using charge gun, can't see the numerical value that air-pressure gauge shows clearly, be very much inconvenience at all.
The utility model content
At the deficiency that above-mentioned prior art exists, the purpose of this utility model is to provide a kind of simple in structure, easy to use, new type auto charge gun that survey precision is high.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of new type auto charge gun, comprise the rifle body, the pikestaff lower end of rifle body is provided with inlet suction port, the muzzle place of rifle body is provided with air hose, the end of air hose is provided with Inflation clamping head, the body of a gun of rifle body is provided with ventilating control valve, venting control cock and the air pressure indicating device that links to each other with gas circuit, and the air pressure indicating device comprises shell, baroceptor, internal circuit, digital display and power supply, and digital display is provided with illumination equipment.
Described internal circuit is made up of constant-current source circuit, signal amplification circuit, analog switch, A/D change-over circuit, singlechip CPU and air pressure numerical value display circuit.
In the described internal circuit, constant-current source circuit links to each other with sensor, the input end of signal amplification circuit links to each other with the mouth of baroceptor, signal output part links to each other through the signal input part of analog switch with the A/D change-over circuit, the signal output part of A/D change-over circuit links to each other with singlechip CPU, and singlechip CPU links to each other with air pressure numerical value display circuit again.
Described illumination equipment comprises light-emitting diode and the master cock that is serially connected between direct supply the two poles of the earth.
Also be serially connected with filter circuit, driving circuit and resistance between described light-emitting diode and the master cock.
Described light-emitting diode is arranged on the central position under the digital display.
Described light-emitting diode is arranged on periphery one side of digital display.
Described master cock is arranged on the outside of display housing.
Described sensor is the semiconductor gas pressure sensor.
Described digital display is a Liquid Crystal Display (LCD).
Described power supply is the dry storage battery direct supply.
The utility model adopts baroceptor and digital display to come the measuring pulley air pressure, baroceptor can change air pressure signal into electric signal, electric signal is through signal amplification circuit, after analog switch is handled, deliver to the A/D change-over circuit, with analog-signal transitions is digital signal, digital signal is delivered to the air pressure digital display circuit after singlechip CPU is handled, with the air pressure numeric display on Liquid Crystal Display (LCD), not only circuit is simple, volume is little, in light weight, and has higher survey precision, because digital display is provided with illumination equipment, only need press the master cock energized when therefore under the situation of dim light or night light deficiency, using charge gun, can illuminate whole display panel by light-emitting diode, be convenient to the user and read barometric information.
Description of drawings
Fig. 1 is the circuit diagram of illumination equipment in the utility model.
Specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
The pikestaff lower end of the automatic charge gun of the utility model is provided with inlet suction port, the muzzle place of rifle body is provided with air hose, the end of air hose is provided with Inflation clamping head, the body of a gun of rifle body is provided with the ventilating control valve that links to each other with gas circuit, venting control cock and air pressure indicating device, the air pressure indicating device comprises shell, baroceptor, internal circuit, digital display and power supply, internal circuit is by constant-current source circuit, signal amplification circuit, analog switch, the A/D change-over circuit, singlechip CPU and air pressure numerical value display circuit are formed, constant-current source circuit links to each other with sensor, the input end of signal amplification circuit links to each other with the mouth of baroceptor, signal output part links to each other through the signal input part of analog switch with the A/D change-over circuit, the signal output part of A/D change-over circuit links to each other with singlechip CPU, and singlechip CPU links to each other with air pressure numerical value display circuit again.The digital display of charge gun is provided with illumination equipment, as shown in Figure 1, this illumination equipment comprises master cock 1, filter capacitor 2, driving aerotron 3, resistance 4 and the light-emitting diode 5 that is serially connected between direct supply the two poles of the earth, master cock 1 is arranged on the display housing outside and is convenient to the position that staff touches, light-emitting diode 5 is arranged on the central position under the digital display, so that its light can illuminate whole display panel from bottom to top.
The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of products under enlightenment of the present invention.Be arranged on periphery one side of digital display as light-emitting diode, or sensor adopts semiconductor gas pressure sensor or the like.Though but on its shape or structure, do any variation, every employing sensor and digital display come measuring pulley air pressure and telltale to be provided with the charge gun of illumination equipment, all drop within the protection domain of the present utility model.
Claims (10)
1, a kind of new type auto charge gun, comprise the rifle body, the pikestaff lower end of rifle body is provided with inlet suction port, the muzzle place of rifle body is provided with air hose, the end of air hose is provided with Inflation clamping head, and the body of a gun of rifle body is provided with ventilating control valve, venting control cock and the air pressure indicating device that links to each other with gas circuit, it is characterized in that, described air pressure indicating device comprises shell, baroceptor, internal circuit, digital display and power supply, and digital display is provided with illumination equipment.
2, new type auto charge gun according to claim 1 is characterized in that, described internal circuit is made up of constant-current source circuit, signal amplification circuit, analog switch, A/D change-over circuit, singlechip CPU and air pressure numerical value display circuit.
3, new type auto charge gun according to claim 2, it is characterized in that, in the described internal circuit, constant-current source circuit links to each other with sensor, the input end of signal amplification circuit links to each other with the mouth of baroceptor, signal output part links to each other through the signal input part of analog switch with the A/D change-over circuit, and the signal output part of A/D change-over circuit links to each other with singlechip CPU, and singlechip CPU links to each other with air pressure numerical value display circuit again.
4, new type auto charge gun according to claim 1 is characterized in that, described illumination equipment comprises light-emitting diode and the master cock that is serially connected between direct supply the two poles of the earth.
5, new type auto charge gun according to claim 4 is characterized in that, also is serially connected with filter circuit, driving circuit and resistance between described light-emitting diode and the master cock.
6, new type auto charge gun according to claim 5 is characterized in that, described light-emitting diode is arranged on the central position under the digital display.
7, new type auto charge gun according to claim 5 is characterized in that, described light-emitting diode is arranged on periphery one side of digital display.
8, new type auto charge gun according to claim 4 is characterized in that, described master cock is arranged on the outside of display housing.
9, according to the arbitrary described new type auto charge gun of claim 1 to 8, it is characterized in that described sensor is the semiconductor gas pressure sensor.
10, according to the arbitrary described new type auto charge gun of claim 1 to 8, it is characterized in that described digital display is a Liquid Crystal Display (LCD), described power supply is the dry storage battery direct supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144256 CN2883103Y (en) | 2005-12-13 | 2005-12-13 | Novel auto inflator gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520144256 CN2883103Y (en) | 2005-12-13 | 2005-12-13 | Novel auto inflator gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2883103Y true CN2883103Y (en) | 2007-03-28 |
Family
ID=37956163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520144256 Expired - Fee Related CN2883103Y (en) | 2005-12-13 | 2005-12-13 | Novel auto inflator gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2883103Y (en) |
-
2005
- 2005-12-13 CN CN 200520144256 patent/CN2883103Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |