CN208313506U - A kind of gas pressure sensor caliberating device - Google Patents
A kind of gas pressure sensor caliberating device Download PDFInfo
- Publication number
- CN208313506U CN208313506U CN201821025506.8U CN201821025506U CN208313506U CN 208313506 U CN208313506 U CN 208313506U CN 201821025506 U CN201821025506 U CN 201821025506U CN 208313506 U CN208313506 U CN 208313506U
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- Prior art keywords
- pressure sensor
- calibrated
- tank
- digital
- pressure
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Abstract
本实用新型提出一种气体压力传感器标定装置，包括空压罐、充气泵、数据采集器、控制器、数字压力传感器和待标定压力传感器，空压罐的罐壁上开有数个测量孔，罐壁上相对于测量孔的位置设有连接螺母，数字压力传感器和待标定压力传感器的连接端与连接螺母螺接，空压罐与充气泵通过管路连接，控制器的输入端与数字压力传感器相连，输出端与充气泵相连，数据采集器与待标定压力传感器相连。本实用新型结构简单、易加工、尺寸小、自动化程度高，能够实现任意给定压力下压力传感器高精度标定的效果。
The utility model proposes a gas pressure sensor calibration device, which comprises an air pressure tank, an air pump, a data collector, a controller, a digital pressure sensor and a pressure sensor to be calibrated. Several measuring holes are opened on the tank wall of the air pressure tank. There is a connection nut on the wall relative to the measuring hole. The connection end of the digital pressure sensor and the pressure sensor to be calibrated is screwed with the connection nut. The air pressure tank and the air pump are connected by pipelines, and the input end of the controller is connected with the digital pressure sensor. The output end is connected with the air pump, and the data collector is connected with the pressure sensor to be calibrated. The utility model has the advantages of simple structure, easy processing, small size and high degree of automation, and can achieve the effect of high-precision calibration of the pressure sensor under any given pressure.
Description
Technical field
The utility model belongs to the technical field more particularly to a kind of gas pressure sensor calibration dress of transducer calibration
It sets.
Background technique
In to simulated automotive engine research, simulating bench is needed in progress experimental stage to the gas pressure in system
Power measures record.Gas pressure sensor as used herein generally requires first to carry out it due to the variation of use environment
Calibration, and the precision of calibration result will have a direct impact on the accuracy of pressure sensor working result, it is therefore necessary to first carry out pressure
The calibration of force snesor.
For example traditional pressure sensor calibrating equipment of existing pressure sensor calibrating device (piston gage etc.),
Excessively tradition machinery, measurement accuracy is not high, and at high cost, and use environment also has certain limitation, it is difficult to it is real to meet scene
When the requirement demarcated.
Summary of the invention
The technical problem to be solved by the utility model is in view of the above problems, provide a kind of gas pressure biography
Sensor caliberating device can achieve the purpose that carry out pressure sensor to be calibrated calibration controlization, calibration real-time.
The utility model solves technical solution used by above-mentioned technical problem: a kind of gas pressure sensor calibration dress
It sets, which is characterized in that including pneumatics tank, inflator pump, data collector, controller, digital pressure sensor and pressure to be calibrated
Sensor, is provided with several measured holes on the tank skin of the pneumatics tank, and the position on tank skin relative to the measured hole is equipped with connection
The connecting pin of nut, the digital pressure sensor and pressure sensor to be calibrated is spirally connected with the attaching nut, pneumatics tank with
Inflator pump is connected by piping connection, the input terminal of the controller with digital pressure sensor, and output end is connected with inflator pump,
The data collector is connected with pressure sensor to be calibrated.
According to the above scheme, the pipeline is equipped with check valve.
The beneficial effects of the utility model are: providing a kind of gas pressure sensor caliberating device and scaling method, use
Digital pressure sensor with digital display function and pressure sensor synchro measure to be calibrated guarantee synchronous real-time, pass through control
Device sets nominal pressure value in pneumatics tank, obtains nominal pressure value and measures the linear relationship between value of electrical signals, completes to treat
The calibration of nominal pressure sensor, the caliberating device structure is simple, easy processing, size are small, high degree of automation, can be realized and appoints
The effect of meaning given pressure lower pressure sensor high-precision calibrating.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Wherein: 1. pneumatics tanks, 2. data collectors, 3. attaching nuts, 4. pressure sensors to be calibrated, 5. digital pressures pass
Sensor, 6. pipelines, 7. check valves, 8. inflator pumps, 9. controllers.
Specific embodiment
To more fully understand the utility model, with reference to the accompanying drawings and examples to the utility model further description.
As shown in Figure 1, a kind of gas pressure sensor caliberating device, including pneumatics tank 1, inflator pump 8, data collector 2,
Controller 9, digital pressure sensor 5 and pressure sensor to be calibrated 4 are provided with several measured holes, tank skin on the tank skin of pneumatics tank
On relative to the position of measured hole be equipped with attaching nut 3, the connecting pin of digital pressure sensor and pressure sensor to be calibrated with
Attaching nut is spirally connected, and makes the two same neighbouring pressure field pressure of synchro measure, it is ensured that measurement accuracy, pneumatics tank pass through with inflator pump
Pipeline 6 connects, and the input terminal of controller is connected with digital pressure sensor, and output end is connected with inflator pump, data collector and
Pressure sensor to be calibrated is connected.
Pipeline is equipped with check valve 7, and pressurized tank sealing state is maintained when inflator pump being made to stop working.
The method demarcated using above-mentioned apparatus is as follows: setting nominal pressure value, controller control by controller first
System starting inflator pump is inflated to the pneumatics tank, when the sensing data of digital pressure sensor reach nominal pressure value, control
Inflator pump is closed in device control, stops inflating to pneumatics tank, maintains pressure in pneumatics tank constant, and data collector record is described wait mark
The measurement value of electrical signals of level pressure force snesor compares measurement value of electrical signals and nominal pressure value, by data difference and
Sensor inherent characteristic carries out calibration calibration to treat nominal pressure sensor, obtain measurement value of electrical signals and nominal pressure value it
Between linear relationship, complete calibration.
Above is only the preferred embodiment of the utility model, cannot limit the power of the utility model with this certainly
Sharp range, therefore the equivalence changes done according to present utility model application the scope of the patents, still belong to the protection scope of the utility model.
Claims (2)
1. a kind of gas pressure sensor caliberating device, which is characterized in that including pneumatics tank, inflator pump, data collector, control
Device, digital pressure sensor and pressure sensor to be calibrated are provided with several measured holes, phase on tank skin on the tank skin of the pneumatics tank
Attaching nut, the connecting pin of the digital pressure sensor and pressure sensor to be calibrated are equipped with for the position of the measured hole
It is spirally connected with the attaching nut, by piping connection, the input terminal and digital pressure of the controller are passed for pneumatics tank and inflator pump
Sensor is connected, and output end is connected with inflator pump, and the data collector is connected with pressure sensor to be calibrated.
2. a kind of gas pressure sensor caliberating device according to claim 1, which is characterized in that the pipeline is equipped with
Check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025506.8U CN208313506U (en) | 2018-06-27 | 2018-06-27 | A kind of gas pressure sensor caliberating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821025506.8U CN208313506U (en) | 2018-06-27 | 2018-06-27 | A kind of gas pressure sensor caliberating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313506U true CN208313506U (en) | 2019-01-01 |
Family
ID=64717711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821025506.8U Expired - Fee Related CN208313506U (en) | 2018-06-27 | 2018-06-27 | A kind of gas pressure sensor caliberating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799034A (en) * | 2019-03-11 | 2019-05-24 | 浙江荷清柔性电子技术有限公司 | Pressure sensor calibration system and its scaling method |
| CN110440982A (en) * | 2019-09-16 | 2019-11-12 | 大唐半导体科技有限公司 | A kind of full-automatic control system for the calibration of air compressor machine sensor parameters |
| CN112556925A (en) * | 2020-12-03 | 2021-03-26 | 西安近代化学研究所 | Performance testing device and method for pressure sensor for gunpowder vacuum stability test |
-
2018
- 2018-06-27 CN CN201821025506.8U patent/CN208313506U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109799034A (en) * | 2019-03-11 | 2019-05-24 | 浙江荷清柔性电子技术有限公司 | Pressure sensor calibration system and its scaling method |
| CN110440982A (en) * | 2019-09-16 | 2019-11-12 | 大唐半导体科技有限公司 | A kind of full-automatic control system for the calibration of air compressor machine sensor parameters |
| CN112556925A (en) * | 2020-12-03 | 2021-03-26 | 西安近代化学研究所 | Performance testing device and method for pressure sensor for gunpowder vacuum stability test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20190627 |
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| CF01 | Termination of patent right due to non-payment of annual fee |