CN205483378U - Ultra -low power consumption digit pressure transmitter - Google Patents
Ultra -low power consumption digit pressure transmitter Download PDFInfo
- Publication number
- CN205483378U CN205483378U CN201521138983.1U CN201521138983U CN205483378U CN 205483378 U CN205483378 U CN 205483378U CN 201521138983 U CN201521138983 U CN 201521138983U CN 205483378 U CN205483378 U CN 205483378U
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- diffusion silicon
- power consumption
- silicon pressure
- casing
- 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
Links
Abstract
The utility model relates to a pressure measuring equipment, concretely relates to ultra -low power consumption digit pressure transmitter, including the casing, casing one end connection base, the base sets up the water conservancy diversion hole, and the inside base end that is close to of casing is equipped with diffusion silicon pressure sensor, diffusion silicon pressure sensor interconnecting link board, and casing one end still is connected with the connector, wire on the circuit board passes the connector, set up the signal conditioning ware on the circuit board, utilize the signal conditioning ware to carry out linearity compensation correction to the temperature pressure signal that diffusion silicon pressure sensor gathered, utilize the temperature signal who gathers to float automatic compensation, effective precision that improves diffusion silicon pressure sensor to diffusion silicon pressure sensor's temperature.
Description
Technical field
This utility model relates to a kind of pressure gauge, is specifically related to a kind of super low-power consumption digital pressure pick-up
Device.
Background technology
The pressure signal being difficult to direct perception, for sensing the pressure of liquid, gas, is changed by pressure transmitter
Become the 4-20mA DC standard industrial process signals being prone to measure, it is simple to long-distance transmissions, measure and control.Pressure
Transmitter be widely used in various industry automatic control environment, relate to water conservancy and hydropower, railway traffic, intelligent building,
Produce numerous row such as automatic control, Aero-Space, military project, petrochemical industry, oil well, electric power, boats and ships, lathe, pipeline
Industry.
Along with science and technology and the developing rapidly of industrial automation, the Digital output application of pressure transducer is more
Coming the most extensive, the requirement to sensor small size and low-power consumption is more and more higher.So, design is a kind of ultralow
The raising of industrial automatization is had particularly significant by the pressure transmitter of power consumption, small size and numeral output
Meaning.
Utility model content
Super low-power consumption digital pressure that the purpose of this utility model is to provide a kind of ultra-small volume, that precision is high becomes
Send device.
This utility model adopts the following technical scheme that
A kind of super low-power consumption Digital Pressure Transducer, including housing, shell one end connects pedestal, described pedestal
Arranging pod apertures, enclosure interior is provided with diffusion silicon pressure sensor, diffusion silicon pressure sensor near base end
Connection line plate, shell one end is also associated with connector, and the wire on described wiring board passes connector, institute
State and signal conditioner is set on wiring board, utilize the temperature that diffusion silicon pressure sensor is gathered by signal conditioner
Pressure signal carries out linear compensation correction, utilizes the temperature signal the gathered temperature drift to diffusion silicon pressure sensor
Automatically compensate, be effectively improved the precision of diffusion silicon pressure sensor.
Described diffusion silicon pressure sensor front end arranges isolating membrane head, the nearly pedestal of isolating membrane head rest, described isolation
Film head is produced deformation, by pressure signal transmission to diffusion silicon pressure sensor by the effect measuring pressure medium
Sensing element inside chip, is converted into mV signal simultaneously.
Described pedestal is threaded joint, in industry spot is applied, it is possible to particularly simple replace and install
Use.
Described housing uses 316L stainless steel, and it is the degree of protection of IP67, it is ensured that pressure transmitter
Run safely and reliably.Further, housing uses sub-arc welding fabrication techniques, the most waterproof.
Work process of the present utility model is:
This utility model uses diffusion silicon pressure sensor, and the isolating membrane head on its front end sensing element is measured
The effect of pressure medium produces deformation, by pressure signal transmission in the sensing element of diffusion silicon pressure sensor
Portion's chip, is converted into mV signal simultaneously, and the size of mV value becomes linear dependence with the size of pressure, then circuit
The analog quantity mV value signal of pressure transducer is converted into digital signal output by plate.
Advantage of the present utility model and having the beneficial effect that
This utility model uses ultralow Consumption, utilizes the bridge resistance temperature characterisitic within signal conditioner by soft
Part backoff algorithm measures medium temperature, by digital temperature compensating, effectively overcomes and commonly spreads silicon sensor
The easily shortcoming of temperature influence, and it is effectively improved the precision that transmitter is overall；
This utility model compact conformation, volume is little, and easy to use, and shell structure consolidates.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein, 1-connector, 2-housing, 3-wiring board, 4-diffusion silicon pressure sensor, 5-isolating membrane head,
6-pod apertures, 7-pedestal.
Detailed description of the invention
As it is shown in figure 1, a kind of super low-power consumption Digital Pressure Transducer, including housing 2, housing 2 one end connects
Pedestal 7, one end connects connector 1.Housing 2 is internal is provided with diffusion silicon pressure sensor near pedestal 7 end
4, diffusion silicon pressure sensor 4 connection line plate 3, described diffusion silicon pressure sensor 4 uses constant voltage to power
Mode, reduce further the power consumption of sensor.
Described wiring board 3 uses special IC and surface sealing technology, wiring board 3 arranges signal and adjusts
Reason device (not indicating in accompanying drawing), the temperature, pressure signal that diffusion silicon pressure sensor 4 is gathered by signal conditioner
Carrying out linear compensation correction, the wire on described wiring board 3 passes connector 1, and the application of connector 1 provides
The form of multiple industrial lead, wiring is the most reliable.
Described pedestal 7 arranges pod apertures 6, and described diffusion silicon pressure sensor 4 front end arranges isolating membrane head 5,
Isolating membrane head 5 is near pedestal 7, and pod apertures 6 imports measures medium, and isolating membrane head 5 is by measuring pressure medium
Effect produces deformation.
Described pedestal 7 is threaded joint, and nipple model is M20*1.5, is that industrial automation is the most frequently used
One of nipple.
Described housing 2 uses 316L stainless steel, and uses sub-arc welding fabrication techniques.
This utility model uses low voltage power supply technology, can be reliable and stable in the voltage range of 2.7～5.5V
Work, be suitable for conventional battery powered voltage range.
Claims (3)
1. a super low-power consumption Digital Pressure Transducer, including housing, shell one end connects pedestal, it is characterized in that, described pedestal arranges pod apertures, enclosure interior is provided with diffusion silicon pressure sensor, diffusion silicon pressure sensor connection line plate near base end, and shell one end is also associated with connector, wire on described wiring board passes connector, arranging signal conditioner on described wiring board, described diffusion silicon pressure sensor front end arranges isolating membrane head, the nearly pedestal of isolating membrane head rest.
Super low-power consumption Digital Pressure Transducer the most according to claim 1, is characterized in that, described pedestal is threaded joint.
Super low-power consumption Digital Pressure Transducer the most according to claim 1, is characterized in that, described housing uses 316L stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521138983.1U CN205483378U (en) | 2015-12-31 | 2015-12-31 | Ultra -low power consumption digit pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521138983.1U CN205483378U (en) | 2015-12-31 | 2015-12-31 | Ultra -low power consumption digit pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205483378U true CN205483378U (en) | 2016-08-17 |
Family
ID=56662092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521138983.1U Expired - Fee Related CN205483378U (en) | 2015-12-31 | 2015-12-31 | Ultra -low power consumption digit pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205483378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11382285B2 (en) * | 2018-06-27 | 2022-07-12 | Jiangsu University | Wireless interconnection control system and method for improving sprinkler irrigation uniformity of hose reel irrigator with electric drive |
-
2015
- 2015-12-31 CN CN201521138983.1U patent/CN205483378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11382285B2 (en) * | 2018-06-27 | 2022-07-12 | Jiangsu University | Wireless interconnection control system and method for improving sprinkler irrigation uniformity of hose reel irrigator with electric drive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 212, room 255086, block C, hi tech Pioneer Park, 135 hi tech Zone, Zibo, Shandong Patentee after: Shandong Bai test sensor Polytron Technologies Inc Address before: 818, high tech Zone, Shandong, Zibo Province, No. 135, block D, room 255000 Patentee before: Shandong Baice Instrument Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20201231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |