CN207798308U - A kind of transmitter of pressure sensor - Google Patents
A kind of transmitter of pressure sensor Download PDFInfo
- Publication number
- CN207798308U CN207798308U CN201820245014.3U CN201820245014U CN207798308U CN 207798308 U CN207798308 U CN 207798308U CN 201820245014 U CN201820245014 U CN 201820245014U CN 207798308 U CN207798308 U CN 207798308U
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- CN
- China
- Prior art keywords
- support frame
- strain gage
- resistance strain
- compression spring
- current sensor
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Abstract
The utility model discloses a kind of transmitter of pressure sensor, the acquisition of affiliated data and process field, provide a kind of stabilization, the accurate pressure sensor for measuring pressure transmitter.Pressure sensitive part includes supporting rack, detection platform, compression spring, it is vertically arranged with multigroup groove on the corner at supporting rack hollow out position, the top half of detection platform is planar table, lower half portion is drive link, the bottom of drive link is provided with compression spring, multigroup guide rail with groove match is vertically arranged on the corner of planar table, the resistance strain gage is closely bonded on compression spring, resistance strain gage is connected with current sensor, detected power supply, resistance strain gage, current sensor constitutes the detection circuit being closed, current sensor is connected by processing module with display screen.It is mainly used for converting the pressure signal that pressure sensor detects to electric signal.
Description
Technical field
The utility model belongs to data acquisition and process field, more particularly to a kind of transmitter of pressure sensor.
Background technology
Transmitter is the output signal of sensor to be changed into the signal that can be identified by controller (or to input sensor
Non electrical quantity be converted into electric signal simultaneously amplify so as to for a distant place measure and control signal source) converter.Sensor and pick-up
Device together constitutes with the monitoring signals source automatically controlled.
The pressure sensor of 203881481 U of Patent No. CN, including outer enclosure structure and it is set to outer enclosure
Pressure sensor chip in structure and IC chip, be provided in outer enclosure structure connection pressure sensor inside and
External air hole, described air hole one end is provided with protection department, it is possible to prevente effectively from foreign enters in pressure sensor
Portion, meanwhile, according to capillary phenomenon principle, it is possible to prevente effectively from liquid enters sensor internal, avoid foreign particles and liquid into
Enter sensor internal, improves sensor reliability.But since discontinuity may cause the pressure measured inaccuracy occur
Situation.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of uniform force, stablize, the accurate pressure sensor for measuring pressure
Transmitter.
The technical solution adopted in the utility model is a kind of transmitter of pressure sensor, including pressure sensitive part, electricity
Foil gauge, current sensor, processing module, display screen are hindered, the pressure sensitive part includes supporting rack, detection platform, pressure
Spring, support frame as described above centre are hollow out state, and multigroup groove, institute are vertically arranged on the corner at support frame as described above hollow out position
The top half for stating detection platform is planar table, the cross section of the cross-sectional area and support frame as described above hollow-out part of the planar table
Product is identical, and the lower half portion of the detection platform is drive link, and the drive link is vertically arranged in the planar table lower surface
At center, the bottom of the drive link is provided with compression spring, and the compression spring is fixedly mounted on support frame as described above hollow-out parts
The bottom surface divided, the detection platform are arranged in the hollow-out part of support frame as described above, are vertically arranged on the corner of the planar table
There are multigroup guide rail with groove cooperation, the guide rail to be mounted in the groove；Described in closely being bonded on the compression spring
Resistance strain gage, the resistance strain gage is connected with current sensor, and the resistance strain gage connects on current sensor
It is connected to detection power supply, the detection power supply, resistance strain gage, current sensor constitute the detection circuit being closed, and the electric current passes
Sensor is connected by processing module with the display screen.
Object, is then placed in planar table and obtains current value by the accurate pulling force that object is measured first with tensiometer；First
The relationship between pressure and electric current is obtained by above-mentioned several groups of experiments, then which is written to the list as processing module
Piece machine；Whenever having current value input, microcontroller is scaled pressure value and is shown in display screen automatically.
Further, the detection power supply, current sensor, processing module are arranged in the hollow-out part of support frame as described above
Portion, the display screen are arranged in the outside of support frame as described above.
Further, power switch valve is provided on the detection power supply, the power switch valve is arranged in the support
The outside of frame.
Further, the upper surface of support frame as described above is arranged for plane, and support frame as described above upper surface is preferably contoured as just
Square structure, hollow-out part are preferably square structure.
Further, the bottom of support frame as described above is provided with skid resistant course with ground contact position, and the material of the skid resistant course is excellent
It is selected as vulcanie.
The utility model compared with prior art, has advantageous effect below, support frame as described above top is provided with hollow out
Part, the detection platform are arranged in the hollow-out part, ensure that detection platform by multigroup guide rail and groove
The movement stable vertically in support frame as described above, the detection platform include planar table and drive link, and the drive link setting exists
At planar table bottom centre, ensure that the gravity of weight in planar table can uniformly transfer the drive link and be delivered on drive link,
The pressure transmitted in the planar table to the compression spring, compression spring generates specific deformation according to the gravity born,
The resistance strain gage generates corresponding deformation according to the deformed state of the compression spring, and then to the shape of resistance strain gage
It is changed, and then changes the size of current in detection circuit；The processing module can detect the current sensor
Current data carry out analyzing processing, be converted into the pressure value that bears of the compression spring, and be shown in the display screen
On, the measurement to pressure is realized, in conclusion the utility model has the advantages that stablize, accurately measures pressure.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of the transmitter of pressure sensor of the utility model；
Fig. 2 is the structure top view of support frame as described above.
In figure：01, pressure sensitive part 02, resistance strain gage 03, current sensor 04, processing module 05, display
Screen 06, supporting rack 07, detection platform 08, compression spring 09, planar table 10, drive link 11, groove 12, guide rail 13,
Detect power supply.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The technical solution of the utility model is illustrated in conjunction with Fig. 1, Fig. 2, a kind of transmitter of pressure sensor, including
Pressure sensitive part 01, resistance strain gage 02, current sensor 03, processing module 04, display screen 05, the pressure sensitive part
01 includes supporting rack 06, detection platform 07, compression spring 08, is hollow out state, support frame as described above 06 among support frame as described above 06
Multigroup groove 11 is vertically arranged on the corner at hollow out position, the top half of the detection platform 07 is planar table 09, described
The cross-sectional area of planar table 09 is identical as the cross-sectional area of 06 hollow-out part of support frame as described above, the lower half portion of the detection platform
For drive link 10, the drive link 10 is vertically arranged at the center of 09 lower surface of the planar table, the bottom of the drive link 10
Portion is provided with compression spring 08, and the compression spring 08 is fixedly mounted on the bottom surface of 06 hollow-out part of support frame as described above, the inspection
Survey platform 07 be arranged in the hollow-out part of support frame as described above 06, be vertically arranged on the corner of the planar table 09 it is multigroup with it is recessed
The guide rail 12 that slot 11 coordinates, the guide rail 12 are mounted in the groove 11；Described in closely being bonded on the compression spring 08
Resistance strain gage 02, the resistance strain gage 02 is connected with current sensor 03, and the resistance strain gage 02 is passed with electric current
Detection power supply 13 is connected on sensor 03, the detection power supply 13, resistance strain gage 02, current sensor 03 constitute the inspection being closed
Slowdown monitoring circuit, the current sensor 03 are connected by processing module 04 with the display screen 05.
Further, engraving in support frame as described above 06 is arranged in the detection power supply 13, current sensor 03, processing module 04
Empty partial interior, the display screen 05 are arranged in the outside of support frame as described above 06.
Further, power switch valve is provided on the detection power supply 13, the power switch valve is arranged in the branch
The outside of support 06.
Further, the upper surface of support frame as described above 06 is arranged for plane, and the profile of 06 upper surface of support frame as described above is preferred
It is square structure, hollow-out part is preferably square structure.
Further, the bottom of support frame as described above 06 is provided with skid resistant course, the material of the skid resistant course with ground contact position
Preferably vulcanie.
The beneficial effects of the utility model are illustrated in conjunction with Fig. 1, Fig. 2,06 top of support frame as described above is provided with hollow out
Part, the detection platform 07 are arranged in the hollow-out part, ensure that inspection by multigroup guide rail 12 and groove 11
The movement stable vertically in support frame as described above 06 of platform 07 is surveyed, the detection platform 07 includes planar table 09 and drive link 10,
The drive link 10 is arranged at 09 bottom centre of planar table, and it is described to ensure that the gravity of weight in planar table 09 can uniformly transfer
Drive link 10 is delivered on drive link 10, the pressure transmitted in the planar table 09 to the compression spring 08, compression spring
08 generates specific deformation according to the gravity born, and the resistance strain gage 02 is produced according to the deformed state of the compression spring 08
Raw corresponding deformation, and then the shape of resistance strain gage 02 is changed, and then change the size of current in detection circuit；Institute
Analyzing processing can be carried out to the current data that the current sensor 03 detects by stating processing module 04, be converted into the pressure
Spring bears pressure value, and is shown on the display screen 05, the measurement to pressure is realized, in conclusion this practicality
It is novel to have the advantages that stablize, accurately measure pressure.
The application method and operation principle of the utility model are illustrated in conjunction with Fig. 1, Fig. 2, a kind of pressure of the utility model
At work, weight to be detected is placed in the planar table 09 for the transmitter of force snesor, and the planar table 09 is pressurized
Power is moved down is transferred to the compression spring 08 by drive link 10 by pressure, and compression spring 08 is produced according to the gravity born
Raw specific deformation, the resistance strain gage 02 generate corresponding deformation according to the deformed state of the compression spring 08, in turn
The shape of resistance strain gage 02 is changed, the inspection that the detection power supply 13, current sensor 03, resistance strain gage 02 are constituted
Slowdown monitoring circuit makes the electric current in circuit generate corresponding variation since the resistance of resistance strain gage 02 changes；The processing mould
The current data that block 04 detects the current sensor 03 carries out analyzing processing, is converted into the compression spring and bears to press
Power numerical value, and be shown on the display screen 05, realize the measurement to pressure.
A kind of transmitter of pressure sensor of the utility model, purposes are that the pressure signal for detecting pressure sensor turns
Turn to electric signal.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (5)
1. a kind of transmitter of pressure sensor, it is characterised in that：Including pressure sensitive part (01), resistance strain gage (02),
Current sensor (03), processing module (04), display screen (05), the pressure sensitive part (01) include supporting rack (06), inspection
Platform (07), compression spring (08) are surveyed, is hollow out state among support frame as described above (06), support frame as described above (06) hollow out position
Multigroup groove (11) is vertically arranged on corner, the top half of the detection platform (07) is planar table (09), the plane
The cross-sectional area of platform (09) is identical as the cross-sectional area of support frame as described above (06) hollow-out part, the lower half portion of the detection platform
For drive link (10), the drive link (10) is vertically arranged at the center of the planar table (09) lower surface, the drive link
(10) bottom is provided with compression spring (08), and the compression spring (08) is fixedly mounted on support frame as described above (06) hollow-out part
Bottom surface, the detection platform (07) is arranged in the hollow-out part of support frame as described above (06), the corner of the planar table (09)
On be vertically arranged with the guide rail (12) of multigroup cooperation with groove (11), the guide rail (12) is mounted in the groove (11)；Institute
It states and closely bonds the resistance strain gage (02), the resistance strain gage (02) and current sensor on compression spring (08)
(03) it is connected, detection power supply (13), the detection electricity is connected on the resistance strain gage (02) and current sensor (03)
Source (13), resistance strain gage (02), current sensor (03) constitute the detection circuit being closed, and the current sensor (03) passes through
Processing module (04) is connected with the display screen (05).
2. a kind of transmitter of pressure sensor according to claim 1, it is characterised in that：The detection power supply (13),
Current sensor (03), processing module (04) are arranged inside the hollow-out part of support frame as described above (06), the display screen (05)
Outside in support frame as described above (06) is set.
3. a kind of transmitter of pressure sensor according to claim 1, it is characterised in that：On the detection power supply (13)
It is provided with power switch valve, outside of the power switch valve setting in support frame as described above (06).
4. a kind of transmitter of pressure sensor according to claim 1, it is characterised in that：Support frame as described above (06) it is upper
Surface is arranged for plane, and the profile of support frame as described above (06) upper surface is square structure, and hollow-out part is square structure.
5. a kind of transmitter of pressure sensor according to claim 1, it is characterised in that：The bottom of support frame as described above (06)
Portion is provided with skid resistant course with ground contact position, and the material of the skid resistant course is preferably vulcanie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820245014.3U CN207798308U (en) | 2018-02-11 | 2018-02-11 | A kind of transmitter of pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820245014.3U CN207798308U (en) | 2018-02-11 | 2018-02-11 | A kind of transmitter of pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207798308U true CN207798308U (en) | 2018-08-31 |
Family
ID=63276039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820245014.3U Active CN207798308U (en) | 2018-02-11 | 2018-02-11 | A kind of transmitter of pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207798308U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454531A (en) * | 2019-07-11 | 2019-11-15 | 江苏长龄液压股份有限公司 | A kind of center is equipped with the spring of detection medium |
-
2018
- 2018-02-11 CN CN201820245014.3U patent/CN207798308U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110454531A (en) * | 2019-07-11 | 2019-11-15 | 江苏长龄液压股份有限公司 | A kind of center is equipped with the spring of detection medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A transmitter of pressure sensor Effective date of registration: 20210805 Granted publication date: 20180831 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan science and technology innovation center sub branch Pledgor: JINAN LONGCHANG AUTOMATION Co.,Ltd. Registration number: Y2021370000093 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |