CN202149823U - Pressure transmitter with anti-loosing device - Google Patents
Pressure transmitter with anti-loosing device Download PDFInfo
- Publication number
- CN202149823U CN202149823U CN201120266968U CN201120266968U CN202149823U CN 202149823 U CN202149823 U CN 202149823U CN 201120266968 U CN201120266968 U CN 201120266968U CN 201120266968 U CN201120266968 U CN 201120266968U CN 202149823 U CN202149823 U CN 202149823U
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- CN
- China
- Prior art keywords
- ring
- pressure
- sensor core
- joint
- core body
- 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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Abstract
A pressure transmitter with an anti-loosing device arranges a pressure-guide joint at the lower end of an outer casing, wherein a pressure joint sealing ring is arranged between the pressure-guide joint and the outer casing, a sensor core body is arranged at the upper part in the pressure-guide joint, a copper ring, a core body sealing ring and a gasket are arranged at the outer wall of the sensor core body in a top down order, the upper surface of the sensor core body in the pressure-guide joint is provided with a locking ring, the locking ring is provided with a circuit board, the circuit board is provided with a signal processor formed by connecting electronic components with lines, the circuit board is provided with a socket connector connected with the signal processor via leads, and an anti-loosing ring is arranged at the outer part of the locking ring at the upper end of the pressure-guide joint. The arrangement of the anti-loosing ring at the outer part of the locking ring at the upper end of the casing provides a double-nut guarding effect, solves the technical problem of locking ring loosing, and makes the pressure transmitter operate normally.
Description
Technical field
The utility model belongs to the pressure unit technical field, is specifically related to the pressure unit with locking device.
Background technology
At present, the threaded binding ring axial restraint of the many employings of the diaphragm chip pressure transducer core body of pressure unit.Though connecting screw thread generally can both self-locking conditions satisfied; But than under the bad working environment, the influence of impact shock will make the friction force between screw pair reduce or instantaneous disappearance in high pressure, thump, vibration etc., after this phenomenon repeats to take place; Sensor core is loosening, and sensor can't be worked.In the pressure unit technical field, the urgent technical matters that solves of current need is that the sensing core body is loosening.
Summary of the invention
The utility model technical matters to be solved is to overcome the shortcoming of the diaphragm chip pressure transducer core body of above-mentioned pressure unit, and the pressure unit of the band locking device of a kind of reasonable in design, simple in structure, easy accessibility, reliable operation, highly versatile is provided.
Solving the problems of the technologies described above the technical scheme that is adopted is: be provided with the impulse joint in the lower end of shell; Be provided with the compression fittings O-ring seal between impulse joint and the shell; Impulse joint internal upper part is provided with sensor core, and the sensor core outer wall is disposed with copper ring, plug washer, pad from top to down, and the upper surface of impulse joint inner sensor core body is provided with binding ring; Binding ring is provided with wiring board; Wiring board is provided with the signal processor that connects and composes with electronic component and circuit, and wiring board is provided with the connector that links to each other with signal processor through lead, and the outer setting of impulse upper end of joint binding ring has anti-DNA releaxed circular DNA.
The upper end locking ring outside that the utility model is employed in housing is equipped with anti-DNA releaxed circular DNA through thread connection, has played the double nut safety effect, has solved the loosening technical matters of binding ring, makes pressure transducer to operate normally.The utlity model has advantages such as reasonable in design, simple in structure, easy accessibility, reliable operation, highly versatile, can be used as pressure unit.
Description of drawings
Fig. 1 is the structural representation of an embodiment of the utility model.
Fig. 2 is the electrical principle block diagram of signal processor among Fig. 1.
Fig. 3 is the electronic circuit schematic diagram of signal processor among Fig. 1.
Embodiment
To the utility model further explain, but the utility model is not limited to these embodiment below in conjunction with accompanying drawing and embodiment.
The pressure unit of the band locking device of present embodiment is made up of shell 1, connector 2, screw 3, wiring board 4, anti-DNA releaxed circular DNA 5, binding ring 6, copper ring 7, sensor core 8, pad 9, plug washer 10, compression fittings O- ring seal 11,12 connections of impulse joint.
Lower end at shell 1 is equipped with impulse joint 12 through thread connection; Between impulse joint 12 and the shell 1 compression fittings O-ring seal 11 is installed, compression fittings O-ring seal 11 is an O-ring seals, and impulse joint 12 internal upper parts are equipped with sensor core 8; Sensor core 8 is used to experience pressure signal; Sensor core 8 outer wall circumferencial directions are processed with the twice groove, above copper ring 7 is installed in a groove, below plug washer 10 and pad 9 are installed in a groove; Its Intermediate gasket 9 is positioned at the upper surface of plug washer 10; Plug washer 10 is an O-ring seals, and the upper surface of impulse joint 12 inner sensor core bodys 8 is equipped with binding ring 6 through thread connection, and binding ring 6 is used for sensor core 8 is fixed in the impulse joint 12; After binding ring 6 is installed in the impulse joint 12, the first dress gap that keeps 0.5～1mm between the lower end of binding ring 6 and the copper ring 7.Outside at the upper end locking ring 6 of impulse joint 12 is equipped with anti-DNA releaxed circular DNA 5 through thread connection, and the outer ring of the anti-DNA releaxed circular DNA 5 of present embodiment is processed with annular knurl, and the outer end of upper and lower surfaces is processed with chamfering; Anti-DNA releaxed circular DNA 7 is used to prevent that binding ring 6 is loosening; Anti-DNA releaxed circular DNA 7 is installed in the upper end of impulse joint 12 and the outside of binding ring 6, is equivalent to double nuts structure, solved the loosening technical matters of binding ring; Play the double nut safety effect, made the utility model to operate normally.On binding ring 6, be installed with wiring board 4, the signal processor that connects and composes with electronic component and circuit is installed on the wiring board 4 with screw 3.Signal processor amplifies output with the signal of input.Connector 2 is installed on the wiring board 4, and connector 2 links to each other with signal processor through lead, and connector 2 is exported the pressure signal after the signal processor processes.
In Fig. 2; The signal processor of present embodiment is connected and composed by receiving circuit, amplifying circuit; The output termination amplifying circuit of receiving circuit, receiving circuit converts the pressure signal that receives to amplifying circuit that electric signal outputs to, and amplifying circuit amplifies output with the electric signal of input.
In Figure 3, the embodiment ordering the receiving circuit by the resistor R11 ~ resistor R15, connected to form the coil L1, resistors R12 ~ resistor R15 connected in a bridge circuit is bonded to the sensor 8 will be the core of the received signal into a pressure signal output to the amplifying circuit, a resistor R13, one end of resistor R15 10V power supply, a resistor R12, resistor R14 and the coil L1 via the resistor R11 to ground, a resistor R12, resistor R13 and the other end amplification circuit, a resistor R14, resistor R15 on the other one end of the amplification circuit.
The amplifying circuit of present embodiment is connected and composed by integrated circuit U1, resistance R 1～resistance R 10, capacitor C～capacitor C 5, and the model of integrated circuit U1 is AD623.An end and 4 pin, 8 pin that 2 pin of integrated circuit U1 connect an end of the other end of an end of capacitor C 2 and capacitor C 3 and the other end through resistance R 2 connecting resistance R12 and resistance R 13, a end that 3 pin connect capacitor C 1 and capacitor C 2 and the other end through resistance R 1 connecting resistance R14 and resistance R 15, the other end that 4 pin connect capacitor C 1 and resistance R 6 and connect capacitor C 3～capacitor C 5 through resistance R 11 and coil L1 ground connection, 5 pin connect the other end and 24V power supply, 6 pin that 1 pin, 7 pin connect capacitor C 5 through resistance R 8～resistance R 10 successively and export another termination enclosure 1 of capacitor C 4.
Claims (1)
1. pressure unit with locking device; Be provided with impulse joint (12) in the lower end of shell (1); Be provided with compression fittings O-ring seal (11) between impulse joint (12) and the shell (1); Impulse joint (12) internal upper part is provided with sensor core (8), and sensor core (8) outer wall is disposed with copper ring (7), plug washer (10), pad (9) from top to down, and the upper surface of impulse joint (12) inner sensor core body (8) is provided with binding ring (6); Binding ring (6) is provided with wiring board (4); Wiring board (4) is provided with the signal processor that connects and composes with electronic component and circuit, and wiring board (4) is provided with the connector (2) that links to each other with signal processor through lead, it is characterized in that: the outer setting of impulse joint (12) upper end locking ring (6) has anti-DNA releaxed circular DNA (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120266968U CN202149823U (en) | 2011-07-26 | 2011-07-26 | Pressure transmitter with anti-loosing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120266968U CN202149823U (en) | 2011-07-26 | 2011-07-26 | Pressure transmitter with anti-loosing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149823U true CN202149823U (en) | 2012-02-22 |
Family
ID=45590878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120266968U Expired - Fee Related CN202149823U (en) | 2011-07-26 | 2011-07-26 | Pressure transmitter with anti-loosing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202149823U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157904A (en) * | 2015-05-11 | 2015-12-16 | 中国电子科技集团公司第四十八研究所 | Anti-vibration pressure sensor resistant to transient oil pressure impact |
| CN110646132A (en) * | 2019-10-08 | 2020-01-03 | 松诺盟科技有限公司 | Small-size high-temperature pressure transmitter |
-
2011
- 2011-07-26 CN CN201120266968U patent/CN202149823U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105157904A (en) * | 2015-05-11 | 2015-12-16 | 中国电子科技集团公司第四十八研究所 | Anti-vibration pressure sensor resistant to transient oil pressure impact |
| CN105157904B (en) * | 2015-05-11 | 2018-06-26 | 中国电子科技集团公司第四十八研究所 | A kind of resistance to instantaneous oil shock pressure sensor of anti-vibration |
| CN110646132A (en) * | 2019-10-08 | 2020-01-03 | 松诺盟科技有限公司 | Small-size high-temperature pressure transmitter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20160726 |