CN200972419Y - Melt pressure sensor - Google Patents
Melt pressure sensor Download PDFInfo
- Publication number
- CN200972419Y CN200972419Y CN 200620045207 CN200620045207U CN200972419Y CN 200972419 Y CN200972419 Y CN 200972419Y CN 200620045207 CN200620045207 CN 200620045207 CN 200620045207 U CN200620045207 U CN 200620045207U CN 200972419 Y CN200972419 Y CN 200972419Y
- Authority
- CN
- China
- Prior art keywords
- elastic body
- metal capillary
- pressure sensor
- melt pressure
- metal
- 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 - Lifetime
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a melt pressure sensor. The sensor is connected by a connecting link thread and a metallic hose, and a metal capillary penetrates through the inner. The front end of the metal capillary is provided with a metal diaphragm, the back end of the metal capillary is provided with a sensible pressure head, the back end of the sensible pressure head is provided with an elastic body, and the back end of the elastic body is provided with a strain gauge. These components after the metal capillary are arranged in a closed shell, and an amplifying circuit is mounted in the shell. The elastic body is welded to the sensible pressure head by an argon-fluorine welder, and the sensible pressure head is welded to the integrated place of the connecting base by an argon-fluorine welder and sealed. The elastic body performs titanium carbide vacuum coating treatment using material of 15-5 pH or 17-4 pH. The elastic body components are made by alloy material. The utility model has the advantages of good high temperature resistance, good long-term stability, small lag error, good repeatability, lower power dissipation and small volume.
Description
Technical field
The utility model relates to a kind of sensing receiver that is used for plant equipment high temperature fluid pressure surveys such as chemical fibre, rubber and plastic and control.
Background technology
At present, be used for the sensing receiver of plant equipment high temperature fluid pressure surveys such as chemical fibre, rubber and plastic and control, the major defect of existence is, resistance to elevated temperatures is poor, and stability is poor, and lag error is big, and small product size is big.
Summary of the invention
The purpose of this utility model provides a kind of melt pressure sensor, solve the problem that aforementioned melt pressure sensor exists, this sensor is that a whorl brace rod is connected with metal hose, and a metal capillary runs through its inside, and the metal capillary front end has metallic membrane, the metal capillary rear end is the pressure-sensitive head, a pressure-sensitive rear end is an elastic body, and the elastic body rear end is a strainometer, these parts of metal capillary rear end, be installed in the housing of a sealing, also be provided with amplifying circuit in the housing.
Described elastic body is welded on the pressure-sensitive head with argon fluorine welding machine, and the pressure-sensitive head is to be welded on the junction of Connection Block and to seal it with argon fluorine welding machine.
Described metallic membrane carries out titanium carbide vacuum coating with 15-5PH or 17-4PH material to be handled.
Described elastomer element is made with the Inconel718 alloy material.
The utility model has the advantages that to have the good temperature resistance energy, long-time stability are good, and lag error is little, and good reproducibility is low in energy consumption, and volume is little.
Description of drawings
Accompanying drawing 1 is a structural drawing of the present utility model.
Accompanying drawing 2 is compensation amplifying circuit schematic diagrams.
The number in the figure explanation:
The 1-metallic membrane, the 2-metal capillary, the 3-threaded rod,
The 4-nut, the 5-metal hose, the 6-Connection Block,
The 7-screw, 8-O type circle, 9-pressure-sensitive head,
The 10-elastic body, the 11-strainometer, the 12-supporting screw,
The 13-enameled wire, 14-amplifying circuit compensating plate, 15-five colors lead,
The 16-housing, the 17-screw, 18-five core sockets,
The 19-label.
Embodiment
See also shown in the accompanying drawing, be connected with metal hose 5 at a whorl brace rod 3, one metal capillary 2 runs through its inside, metal capillary 2 front ends have metallic membrane 1, and metal capillary 2 rear ends are pressure-sensitive 9, and pressure-sensitive 9 rear end are elastic bodys 10, elastic body 10 rear ends are strainometers 11, these parts of metal capillary 2 rear ends are installed in the housing 16 of a sealing, also are provided with amplifying circuit in the housing 16.
Described elastic body 10 is to be welded on the pressure-sensitive head with argon fluorine welding machine, and pressure-sensitive 9 is to be welded on the junction of Connection Block 6 and to seal it with argon fluorine welding machine.
Described metallic membrane 1 usefulness 15-5H or 17-4PH material carry out titanium carbide vacuum coating to be handled.
Described elastic body 10 elements are made with the Inconel718 alloy material.
The course of work of the present utility model is, pressure when tested cavity, by diaphragm 1, to transmit and by filling completely transmit the kapillary 2 of medium at 1: 1, be delivered on the elastic body 10 of metal clad strainometer 11, be attached to the strain ga(u)ge 11 on the diaphragm, form Wheatstone bridge, under pressure, diaphragm produces distortion, after strainometer is experienced its deformation, make its resistance generation respective change, thereby make the electric bridge out of trim, and the electric signal that is directly proportional with the applied pressure size of output, this electric signal is amplified, thereby obtain the numerical value of tested pressure.
Claims (5)
1, a kind of melt pressure sensor, it is characterized in that: a whorl brace rod is connected with metal hose, one metal capillary runs through its inside, the metal capillary front end has metallic membrane, and the metal capillary rear end is the pressure-sensitive head, and a pressure-sensitive rear end is an elastic body, the elastic body rear end is a strainometer, these parts of metal capillary rear end are installed in the housing of a sealing, also are provided with amplifying circuit in the housing.
2, by the described melt pressure sensor of claim 1, it is characterized in that: described elastic body is welded on the pressure-sensitive head with argon fluorine welding machine, and the pressure-sensitive head is to be welded on the junction of Connection Block and to seal it with argon fluorine welding machine.
3, by the described melt pressure sensor of claim 1, it is characterized in that: described metallic membrane carries out titanium carbide vacuum coating with 15-5PH or 17-4PH material to be handled.
4, by the described melt pressure sensor of claim 1, it is characterized in that: described elastomer element is made with the Inconel718 alloy material.
5, by the described melt pressure sensor of claim 1, it is characterized in that: described amplifying circuit adopts the anti-interference amplifying circuit of common mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045207 CN200972419Y (en) | 2006-08-28 | 2006-08-28 | Melt pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620045207 CN200972419Y (en) | 2006-08-28 | 2006-08-28 | Melt pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200972419Y true CN200972419Y (en) | 2007-11-07 |
Family
ID=38883674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620045207 Expired - Lifetime CN200972419Y (en) | 2006-08-28 | 2006-08-28 | Melt pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200972419Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937500A (en) * | 2011-08-15 | 2013-02-20 | 上海朝辉压力仪器有限公司 | Automatic zero setting pressure transmitter for high-temperature melt |
| CN104460702A (en) * | 2014-11-27 | 2015-03-25 | 中国电子科技集团公司第四十九研究所 | Thumb force control two-dimensional coordinate tracking and positioning assembly |
| CN112525410A (en) * | 2020-12-02 | 2021-03-19 | 上海朝辉压力仪器有限公司 | Novel filling medium high-temperature melt pressure sensor |
| CN114923621A (en) * | 2022-03-09 | 2022-08-19 | 上海申狮物联网科技有限公司 | Cavity type mounting structure high-temperature melt pressure sensor |
-
2006
- 2006-08-28 CN CN 200620045207 patent/CN200972419Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937500A (en) * | 2011-08-15 | 2013-02-20 | 上海朝辉压力仪器有限公司 | Automatic zero setting pressure transmitter for high-temperature melt |
| CN104460702A (en) * | 2014-11-27 | 2015-03-25 | 中国电子科技集团公司第四十九研究所 | Thumb force control two-dimensional coordinate tracking and positioning assembly |
| CN104460702B (en) * | 2014-11-27 | 2017-02-22 | 中国电子科技集团公司第四十九研究所 | Thumb force control two-dimensional coordinate tracking and positioning assembly |
| CN112525410A (en) * | 2020-12-02 | 2021-03-19 | 上海朝辉压力仪器有限公司 | Novel filling medium high-temperature melt pressure sensor |
| CN114923621A (en) * | 2022-03-09 | 2022-08-19 | 上海申狮物联网科技有限公司 | Cavity type mounting structure high-temperature melt pressure sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ROPER INDUSTRIES TRADING CO., LTD. Free format text: FORMER OWNER: HAOYING MEASURING TECHNOLOGY CO., LTD., SHANGHAI Effective date: 20130225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 201108 MINHANG, SHANGHAI TO: 200092 YANGPU, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130225 Address after: 200092, room 970, 1609 Dalian Road, Shanghai, Yangpu District Patentee after: Shanghai industries Trading Co. Ltd. Address before: 201108 Shanghai city Minhang District humin Road No. 3988 Patentee before: Shanghai HaoYing Measurement & Control Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: DYNISCO (SHANGHAI) INSTRUMENT CO., LTD. Free format text: FORMER OWNER: SHANGHAI ROPER INDUSTRIES TRADING CO., LTD. Effective date: 20141023 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200092 YANGPU, SHANGHAI TO: 201100 MINHANG, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141023 Address after: 201100 Shanghai City, Minhang District Shen Fu Road No. 800 Building 2 Patentee after: Celanese (Shanghai) instrument & Meter Co., Ltd. Address before: 200092, room 970, 1609 Dalian Road, Shanghai, Yangpu District Patentee before: Shanghai industries Trading Co. Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071107 |
|
| EXPY | Termination of patent right or utility model |