CN210108601U - Detection and calibration device for automobile pressure system - Google Patents
Detection and calibration device for automobile pressure system Download PDFInfo
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- CN210108601U CN210108601U CN201920516965.4U CN201920516965U CN210108601U CN 210108601 U CN210108601 U CN 210108601U CN 201920516965 U CN201920516965 U CN 201920516965U CN 210108601 U CN210108601 U CN 210108601U
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Abstract
The utility model discloses a car pressure system detects calibration device, its concrete structure is: the pressure display module is connected with 4 pressure transmitters, and the positive and negative poles of the pressure display module and the positive and negative poles of the pressure transmitters are respectively connected with the power supply positive and negative pole connectors. The signal of the pressure transmitter is output and displayed through the pressure display module, the pressure transmitter penetrates through the sealing rubber pad to be connected with the reducing joint, the input ends of the pressure transmitter are connected with hoses, and the hoses are connected to the positions of pressure points to be measured. Each pressure transmitter has different pressure value testing ranges. The pressure measuring device can simultaneously and accurately measure different pressure ranges of an air system and a hydraulic system of the whole vehicle, including the pressure of a low-pressure oil way of the whole vehicle, the pressure of a high-pressure oil way of an engine, the pressure of an air inlet system of the whole vehicle, the pressure of an exhaust system of the whole vehicle and the like. The pressure display module is used for displaying instantly, so that real-time detection of pressure parameters and variation values is realized, the measurement is accurate, the operation is simple, and the working efficiency is high.
Description
Technical Field
The utility model belongs to the accessory part of whole car, concretely relates to survey device who marks car hydraulic pressure, pneumatics.
Background
The hydraulic system and the air system are important components of an engine and a finished automobile, and the pressures (hydraulic pressure and air pressure) in the two systems are main calibration parameters in the automobile production process, such as the pressure of a low-pressure oil line of the finished automobile, the pressure of a high-pressure oil line of the engine, the pressure of an air inlet system of the finished automobile, the pressure of an exhaust system of the finished automobile and the like, which are calibration parameters that must be checked in the automobile production. At present, the method for calibrating the pressure in the two systems is to measure the pressure after connecting a plurality of pointer type pressure meters and pressure sensors and then connecting the pressure meters and the pressure sensors with measuring points, and the measurement result is not accurate enough and is inconvenient for data recording and calibration due to the complex connection and installation mode. The present invention provides a solution to this problem.
Disclosure of Invention
The utility model aims at providing a car pressure system detects calibration device, convenient in measuring to whole car hydraulic system and air system's pressure.
The following explains the structural principle of the present invention. The detection and calibration device for the automobile pressure system comprises: the pressure display module, pressure transmitter, sealing rubber pad, reducer union, ready-packaged joint, hose, power supply positive and negative pole connector, sealed housing, signal pencil etc.. The technical scheme is as follows: the pressure display module is connected with 4 pressure transmitters, and the positive and negative poles of the pressure display module and the positive and negative poles of the pressure transmitters are respectively connected with the power supply positive and negative pole connectors. The signal of the pressure transmitter is output and displayed through the pressure display module, the pressure transmitter penetrates through the sealing rubber pad to be connected with the reducing joint, the input ends of the pressure transmitter are connected with hoses, and the hoses are connected to the positions of pressure points to be measured. The measured pressure signal can be read directly by the display module.
The utility model discloses a characteristics and the effect that produces are: the quick coupler is directly connected with the position of a pressure point to be measured through a pressure measuring hose, and the 4 pressure transmitters can simultaneously and accurately measure different pressure ranges of an air system and a hydraulic system of the whole vehicle, including the pressure of a low-pressure oil way of the whole vehicle, the pressure of a high-pressure oil way of an engine, the pressure of an air inlet system of the whole vehicle, the pressure of an exhaust system of the whole vehicle and the like. The pressure parameter and the change value are measured in real time through the instant display of the pressure display module.
Drawings
Fig. 1 is a structural diagram of an embodiment of the present invention.
Detailed Description
The structure principle of the present invention will be further explained by embodiments with reference to the attached drawings.
The automobile pressure system detects calibration device, and its concrete structure is: the pressure display module 1 is connected with 4 pressure transmitters, and the anode and the cathode of the pressure display module and the anode and the cathode of the pressure transmitter are respectively connected with the power supply anode and cathode connectors 2. The signal of the pressure transmitter is output and displayed through the pressure display module, the pressure transmitter penetrates through the sealing rubber gasket 4 to be connected with the reducer union 5, the input ends of the pressure transmitter are connected with hoses 6, and the hoses are connected to the positions of pressure points to be measured.
Each pressure transmitter has different pressure value testing ranges: the first pressure transmitter 3-1 has a corresponding range of-50 KPa to 0 KPa; the corresponding range of the second pressure transmitter 3-2 is-100 KPa to 0 KPa; the corresponding range of the third pressure transmitter 3-3 is 0 KPa-400 KPa; the corresponding range of the fourth pressure transmitter 3-4 is 0 KPa-1000 KPa.
The reducing joint is of an internal thread structure, and the inner diameter of a thread at one end is M20 multiplied by 1.5 to be connected with the pressure transmitter; the inner diameter of the thread at the other end is M10 multiplied by 1 and is used for connecting the quick coupler 7, and all thread joints are sealed and fixed by sealant.
The pressure display module, the pressure transmitter, the power supply positive and negative connectors and the signal wire harness are all assembled in the sealed shell 8.
The specific operation process comprises the following steps: the required range is selected according to the pressure range of the test point, the input hose of the pressure transmitter is directly connected to the test point to be measured, a direct-current power supply is provided for the power supply positive and negative plug-in units by using the whole vehicle storage battery, and after the pressure display module is started, the pressure data of the test point can be accurately tested and recorded.
Claims (4)
1. The detection and calibration device for the automobile pressure system comprises: pressure display module, pressure transmitter, sealing rubber pad, reducer union, ready-packaged joint, hose, the positive negative pole connector of power supply, seal housing and signal pencil, characterized by: the pressure display module (1) is connected with 4 pressure transmitters (3-1, 3-2, 3-3, 3-4), the positive and negative poles of the pressure display module and the positive and negative poles of the pressure transmitters are respectively connected with the power supply positive and negative pole connectors (2), signals of the pressure transmitters are output and displayed through the pressure display module, the pressure transmitters penetrate through the sealing rubber gaskets (4) to be connected with the reducing joints (5), the input ends of the pressure transmitters are connected with hoses (6), and the hoses are connected to the positions of pressure points to be measured.
2. The automobile pressure system detection and calibration device as recited in claim 1, wherein: the corresponding range of the first pressure transmitter is-50 KPa to 0 KPa; the corresponding range of the second pressure transmitter is-100 KPa to 0 KPa; the corresponding range of the third pressure transmitter is 0 KPa-400 KPa; the corresponding range of the fourth pressure transmitter is 0KPa to 1000 KPa.
3. The automobile pressure system detection and calibration device as recited in claim 1, wherein: the reducing joint is of an internal thread structure, and the inner diameter of a thread at one end is M20 multiplied by 1.5 to be connected with the pressure transmitter; the inner diameter of the thread at the other end is M10 multiplied by 1 and is used for connecting the quick coupler (7), and all thread joints are sealed and fixed by sealant.
4. The automobile pressure system detection and calibration device as recited in claim 1, wherein: the pressure display module, the pressure transmitter, the power supply positive and negative connectors and the signal wire harness are all assembled in the sealed shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516965.4U CN210108601U (en) | 2019-04-17 | 2019-04-17 | Detection and calibration device for automobile pressure system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920516965.4U CN210108601U (en) | 2019-04-17 | 2019-04-17 | Detection and calibration device for automobile pressure system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210108601U true CN210108601U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920516965.4U Active CN210108601U (en) | 2019-04-17 | 2019-04-17 | Detection and calibration device for automobile pressure system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210108601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924087A (en) * | 2021-01-28 | 2021-06-08 | 国网黑龙江省电力有限公司电力科学研究院 | Automatic detection system of pressure transmitter |
-
2019
- 2019-04-17 CN CN201920516965.4U patent/CN210108601U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924087A (en) * | 2021-01-28 | 2021-06-08 | 国网黑龙江省电力有限公司电力科学研究院 | Automatic detection system of pressure transmitter |
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