CN205352603U - Diaphragm type digital pressure gauge - Google Patents
Diaphragm type digital pressure gauge Download PDFInfo
- Publication number
- CN205352603U CN205352603U CN201620071979.6U CN201620071979U CN205352603U CN 205352603 U CN205352603 U CN 205352603U CN 201620071979 U CN201620071979 U CN 201620071979U CN 205352603 U CN205352603 U CN 205352603U
- Authority
- CN
- China
- Prior art keywords
- pressure
- temperature
- sensitive
- type digital
- diaphragm type
- 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.)
- Active
Links
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model provides a diaphragm type digital pressure gauge, it includes ressure measurement module and display module, the ressure measurement module with the display module electricity is connected, the ressure measurement module includes pressure sensing submodule piece and strainometer, pressure sensing submodule piece with the strainometer links to each other, pressure sensing submodule piece is used for responding to measurement medium's mechanical pressure, the strainometer is used for the basis mechanical pressure generates the sign mechanical pressure's the signal of telecommunication, the display module is used for receiving the signal of telecommunication shows the pressure value. The utility model discloses an adoption realizes digital display to mechanical pressure, has improved mechanical pressure measuring accuracy and validity.
Description
Technical field
This utility model relates to pressure measuring instruments field, particularly to a kind of diaphragm type digital pressure gauge.
Background technology
At present, conventional cursor formula Pressure gauge on market is of a great variety, but conventional cursor formula Pressure gauge must keep vertical in installation process, and need to consider to ensure the center reference of the pointer of pointer pressure, and can only look squarely, there is parallax, reading can only estimate reading, error is big, and particularly at various environment including high temperature fluid such as oil, chemical fiber machinery, textile machine, wire drawing equipment, rubber equipments, the manometric reliability of conventional cursor formula is relatively low.
Utility model content
The technical problems to be solved in the utility model is to overcome conventional cursor formula Pressure gauge in prior art must keep in installation process vertically, need to ensure the center reference of pointer, have the defect that parallax, reading can only estimate reading, error is big, it is provided that a kind of diaphragm type digital pressure gauge.
This utility model is to solve above-mentioned technical problem by the following technical programs:
A kind of diaphragm type digital pressure gauge, it is characterized in that, it includes pressure measuring module and display module, and described pressure measuring module electrically connects with described display module；
Described pressure measuring module includes pressure-sensitive submodule and strain gauge, and described pressure-sensitive submodule is connected with described strain gauge；Described pressure-sensitive submodule is for sensing the mechanical pressure of measured medium, and described strain gauge for generating the signal of telecommunication characterizing described mechanical pressure according to described mechanical pressure；
Described display module is used for receiving the described signal of telecommunication and showing force value.
In this programme, pressure-sensitive submodule obtains the mechanical pressure of measured medium and described mechanical pressure generates the signal of telecommunication characterizing described mechanical pressure, display module is used for receiving the described signal of telecommunication and force value being carried out numerical monitor, overcomes conventional cursor formula Pressure gauge in prior art must keep in installation process vertically, need to ensure the center reference of pointer, have the defect that parallax, reading can only estimate reading, error is big.
Preferably, described pressure-sensitive submodule includes elastomer, pressure-sensitive head, capillary vessel, pressure-sensitive diaphragm and threaded rod, described pressure-sensitive diaphragm is positioned at the bottom of described threaded rod, one end of described capillary vessel is connected with described pressure-sensitive diaphragm, the other end is connected with described pressure-sensitive head and described elastomer, being filled with pressure transmission medium in described capillary vessel, described pressure-sensitive head welds with described elastomer, and described elastomer is provided with described strain gauge；
Described pressure-sensitive diaphragm is for sensing the mechanical pressure of measured medium, and described mechanical pressure is transmitted to described strain gauge by described pressure transmission medium.
In this programme, by pressure-sensitive diaphragm, the mechanical pressure of the measured medium experienced is transmitted to strain gauge through pressure-sensitive head, elastomer by pressure transmission medium, by strain gauge, mechanical pressure is generated the signal of telecommunication characterizing mechanical pressure.
It is preferred that described diaphragm type digital pressure gauge also includes temperature-measuring module, described temperature-measuring module is mechanically connected with described pressure measuring module, and described temperature-measuring module is for measuring the temperature value of described measured medium.
In this programme, can effectively be obtained the temperature of measured medium by temperature-measuring module, the temperature of measured medium is carried out monitor in real time.
It is preferred that the part that described temperature-measuring module includes a temperature probe, described temperature probe and described capillary vessel is located in the cavity of described threaded rod side by side, described temperature probe is PT100 thermocouple temperature probe.
In this programme, described temperature probe is arranged in described threaded rod, and described threaded rod contacts with measured medium, can effectively be measured the temperature of described measured medium by described PT100 thermocouple temperature probe.
Preferably, described temperature-measuring module also includes temperature shell, temperature conversion circuit, temperature connection seat and out connector, described temperature conversion circuit is positioned at described temperature shell and is connected the cavity that seat seals with described temperature, and described temperature probe, described out connector all electrically connect with described temperature conversion circuit.
It is preferred that described temperature-measuring module includes the first movable metallic pipe, described temperature is connected seat and is connected by described first movable metallic pipe with described threaded rod.
Preferably, described pressure-sensitive submodule includes the second movable metallic pipe and connection fixing base, the part of described capillary vessel is positioned at the pipe of described second movable metallic pipe, and one end of described second movable metallic pipe is connected fixing with described connection fixing base, and the other end is connected fixing with described threaded rod.
In this programme, described first movable metallic pipe and the second movable metallic pipe are the metal hose of flexible sizing, by 360 ° of comprehensive adjustment to the second movable metallic pipe, the display module being connected with the second movable metallic pipe can be adjusted optimal visibility angle, facilitate user that scene is shown the reading of information.By 360 ° of comprehensive adjustment to the first movable metallic pipe, it is possible to the convenient security measurement position ensureing temperature-measuring module.
It is preferred that described display module includes amplifying circuit, compensates circuit and LCDs, described LCDs, described compensation circuit electrically connect with described amplifying circuit；
Described compensation circuit is for compensating the null offset of the described signal of telecommunication of described strain gauge output；
Described amplifying circuit is for being amplified the signal of telecommunication after receiving the compensation that described compensation circuit exports, and exports the force value formed after amplification to described LCDs；
Described LCDs is used for showing described force value.
In this programme, by compensating the null offset of strain gauge described in circuit compensation, and be amplified can ensure that the accuracy measuring the force value obtained by amplifying circuit to the signal of telecommunication after compensating, it is ensured that the reliability of diaphragm type digital pressure gauge pressure values numerical monitor.
It is preferred that described out connector is five core adapters.
It is preferred that described pressure-sensitive diaphragm is convoluted diaphragm.
Meeting on the basis of this area general knowledge, above-mentioned each optimum condition, can combination in any, obtain each preferred embodiments of this utility model.
Positive progressive effect of the present utility model is in that: diaphragm type digital pressure gauge of the present utility model can carry out numerical monitor accurately to measuring the mechanical pressure obtained, and force value visible angle can be carried out 360 ° of comprehensive adjustment to reach optimal visibility angle, in addition diaphragm type digital pressure gauge can also possess temp sensing function, reliability is high, convenient and practical.
Accompanying drawing explanation
Fig. 1 is the system block diagram of the diaphragm type digital pressure gauge of this utility model one preferred embodiment.
Fig. 2 is the structural representation of the diaphragm type digital pressure gauge of this utility model one preferred embodiment.
Detailed description of the invention
Name a preferred embodiment, and become apparent from intactly illustrating this utility model in conjunction with accompanying drawing.
As illustrated in fig. 1 and 2, a kind of diaphragm type digital pressure gauge, it includes pressure measuring module 1, display module 2 and temperature-measuring module 3, and described display module 2 electrically connects with described pressure measuring module 1, and described temperature-measuring module 3 is mechanically connected with described pressure measuring module 1.
Described pressure measuring module 1 includes pressure-sensitive submodule 11 and strain gauge 12, pressure-sensitive submodule 11 includes elastomer 110, pressure-sensitive 111, capillary vessel 112, pressure-sensitive diaphragm 113, threaded rod 114, second movable metallic pipe 115, connection fixing base 116, shell female connector 117 and O 118, described pressure-sensitive diaphragm 113 is positioned at the bottom of described threaded rod 114 and welds with described threaded rod 114, one end of described capillary vessel 112 is welded with described pressure-sensitive 111, the other end welds with described threaded rod 114, described pressure-sensitive 111 is welded with described elastomer 110, make elastomer 110, pressure-sensitive 111, capillary vessel 112, chamber is formed between pressure-sensitive diaphragm 113, it is filled with pressure transmission medium in described chamber, described pressure transmission medium is silicone oil or hydrargyrum.Described pressure-sensitive diaphragm 113 is stainless convoluted diaphragm.
Described display module 2 includes compensating circuit 21, amplifying circuit 22, LCDs 23, pressure shell 24 and plug 25, described LCDs 23, compensation circuit 21 electrically connect with amplifying circuit 22, described LCDs 23 for being tightly connected with described shell 24, compensates circuit 21 and may be contained within described shell 24 with amplifying circuit 22.The top of described shell 24 is provided with perforate, in the process installing described diaphragm type digital pressure gauge, the amplifying circuit 22 fixing by helicitic texture in described shell 24 can be pointed to by described perforate and LCDs 23 is finely tuned, it is ensured that in described diaphragm type digital pressure gauge, the installation of display module 2 conforms to quality requirements.Additionally, be provided with a plug 25 that can pick and place in perforate, described plug 25 seals described perforate, it is prevented that the water of fabricating yard instills the electronic devices and components short circuit making inside.
Described pressure shell 24 welds with described shell female connector 117, shell female connector 117 and connection fixing base 116 are threaded connection, and realize the sealing between shell female connector 117 and connection fixing base 116 by compressing O 118, to prevent the water seepage of fabricating yard from entering further, make the electronic devices and components short circuit of inside.
The part of described capillary vessel 112 is positioned at described second movable metallic pipe 115, and one end of the second movable metallic pipe 115 and described connection fixing base 116 are welded and fixed, and the other end is connected fixing with described threaded rod 114.Second movable metallic pipe 115 is the metal hose of flexible sizing, by 360 ° of comprehensive adjustment to the second movable metallic pipe, the display module being connected with the second movable metallic pipe can be adjusted optimal visibility angle, facilitate user that scene is shown the reading of information.
Described compensation circuit 21 electrically connects with described strain gauge 12, described pressure-sensitive diaphragm 113 is for sensing the mechanical pressure of measured medium, and by described mechanical pressure by elastomer 110, pressure-sensitive 111, capillary vessel 112, pressure transmission medium in the chamber that pressure-sensitive diaphragm 113 is formed is transferred in strain gauge 12, described mechanical pressure is generated the signal of telecommunication characterizing described mechanical pressure by described strain gauge 12, described compensation circuit 21 is for compensating the null offset of the described signal of telecommunication of described strain gauge 12 output, and the signal of telecommunication after compensating is exported to amplifying circuit 22, the signal of telecommunication after described compensation is amplified by described amplifying circuit 22, and the force value output extremely described LCDs 23 that will be formed after amplification, described LCDs 23 shows described force value, the numerical value achieving force value shows, it is applied to oil, chemical fiber machinery, textile machine, wire drawing equipment, the test environment of the various high temperature fluid such as rubber equipment, force value can be shown accurately and effectively and read for staff.
In addition, described temperature-measuring module 3 includes temperature probe 31, temperature shell 32, temperature conversion circuit 33, temperature connection seat 34, out connector 35 and the first movable metallic pipe 36, described temperature probe 31 is located in the cavity of described threaded rod 114 with described capillary vessel 112 side by side, described temperature probe 31 is PT100 thermocouple temperature probe, the kind of temperature probe is not limited to the above, can also be E type, J type or K type thermocouple temperature probe, can select according to practical situation, no longer repeat one by one here.Described out connector 35 is five core adapters, and the kind of out connector 35 is not limited to this.
Described temperature conversion circuit 33 is positioned at described temperature shell 32 and is connected the cavity that seat 34 seals with described temperature, described temperature probe 31, described out connector 35 electrically connect with described temperature conversion circuit 33, and described temperature is connected seat 34 and is connected by described first movable metallic pipe 36 with described threaded rod 114.Described first movable metallic pipe is the metal hose of flexible sizing, by 360 ° of comprehensive adjustment to the first movable metallic pipe, it is possible to the convenient security measurement position ensureing temperature-measuring module.
Described temperature probe 31 is for measuring the temperature of measured medium, and send measuring the temperature value obtained to temperature conversion circuit 33, temperature value is generated the suitable signal of telecommunication by temperature conversion circuit 33 and is exported by out connector 35, user can pass through other external equipments and electrically connect the temperature value obtaining measured medium with described out connector 35, thus the temperature of measured medium is carried out monitor in real time.
In sum, diaphragm type digital pressure gauge of the present utility model can carry out numerical monitor accurately to measuring the mechanical pressure obtained, and force value visible angle can be carried out 360 ° of comprehensive adjustment to reach optimal visibility angle, in addition diaphragm type digital pressure gauge can also possess temp sensing function, reliability is high, convenient and practical.
Although the foregoing describing detailed description of the invention of the present utility model, it will be appreciated by those of skill in the art that these are merely illustrative of, protection domain of the present utility model is defined by the appended claims.Those skilled in the art is under the premise without departing substantially from principle of the present utility model and essence, it is possible to these embodiments are made various changes or modifications, but these change and amendment each falls within protection domain of the present utility model.
Claims (10)
1. a diaphragm type digital pressure gauge, it is characterised in that it includes pressure measuring module and display module, and described pressure measuring module electrically connects with described display module；
Described pressure measuring module includes pressure-sensitive submodule and strain gauge, and described pressure-sensitive submodule is connected with described strain gauge；Described pressure-sensitive submodule is for sensing the mechanical pressure of measured medium, and described strain gauge for generating the signal of telecommunication characterizing described mechanical pressure according to described mechanical pressure；
Described display module is used for receiving the described signal of telecommunication and showing force value.
2. diaphragm type digital pressure gauge as claimed in claim 1, it is characterized in that, described pressure-sensitive submodule includes elastomer, pressure-sensitive head, capillary vessel, pressure-sensitive diaphragm and threaded rod, described pressure-sensitive diaphragm is positioned at the bottom of described threaded rod, one end of described capillary vessel is connected with described pressure-sensitive diaphragm, and the other end is connected with described pressure-sensitive head and described elastomer, is filled with pressure transmission medium in described capillary vessel, described pressure-sensitive head welds with described elastomer, and described elastomer is provided with described strain gauge；
Described pressure-sensitive diaphragm is for sensing the mechanical pressure of measured medium, and described mechanical pressure is transmitted to described strain gauge by described pressure transmission medium.
3. diaphragm type digital pressure gauge as claimed in claim 2, it is characterized in that, described diaphragm type digital pressure gauge also includes temperature-measuring module, and described temperature-measuring module is mechanically connected with described pressure measuring module, and described temperature-measuring module is for measuring the temperature value of described measured medium.
4. diaphragm type digital pressure gauge as claimed in claim 3, it is characterized in that, described temperature-measuring module includes the part of a temperature probe, described temperature probe and described capillary vessel and is located in the cavity of described threaded rod side by side, and described temperature probe is PT100 thermocouple temperature probe.
5. diaphragm type digital pressure gauge as claimed in claim 4, it is characterized in that, described temperature-measuring module also includes temperature shell, temperature conversion circuit, temperature connection seat and out connector, described temperature conversion circuit is positioned at described temperature shell and is connected the cavity that seat seals with described temperature, and described temperature probe, described out connector all electrically connect with described temperature conversion circuit.
6. diaphragm type digital pressure gauge as claimed in claim 5, it is characterised in that described temperature-measuring module includes the first movable metallic pipe, and described temperature is connected seat and is connected by described first movable metallic pipe with described threaded rod.
7. diaphragm type digital pressure gauge as claimed in claim 2, it is characterized in that, described pressure-sensitive submodule includes the second movable metallic pipe and connection fixing base, the part of described capillary vessel is positioned at the pipe of described second movable metallic pipe, one end of described second movable metallic pipe is connected fixing with described connection fixing base, and the other end is connected fixing with described threaded rod.
8. diaphragm type digital pressure gauge as claimed in claim 1, it is characterised in that described display module includes amplifying circuit, compensates circuit and LCDs, and described LCDs, described compensation circuit electrically connect with described amplifying circuit；
Described compensation circuit is for compensating the null offset of the described signal of telecommunication of described strain gauge output；
Described amplifying circuit is for being amplified the signal of telecommunication after receiving the compensation that described compensation circuit exports, and exports the force value formed after amplification to described LCDs；
Described LCDs is used for showing described force value.
9. diaphragm type digital pressure gauge as claimed in claim 5, it is characterised in that described out connector is five core adapters.
10. diaphragm type digital pressure gauge as claimed in claim 2, it is characterised in that described pressure-sensitive diaphragm is convoluted diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071979.6U CN205352603U (en) | 2016-01-25 | 2016-01-25 | Diaphragm type digital pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620071979.6U CN205352603U (en) | 2016-01-25 | 2016-01-25 | Diaphragm type digital pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205352603U true CN205352603U (en) | 2016-06-29 |
Family
ID=56180828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620071979.6U Active CN205352603U (en) | 2016-01-25 | 2016-01-25 | Diaphragm type digital pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205352603U (en) |
-
2016
- 2016-01-25 CN CN201620071979.6U patent/CN205352603U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102356307B (en) | Capacitive gage pressure sensor with vacuum dielectric | |
| CN207456671U (en) | Differential pressure sensor module | |
| CN102183283B (en) | Capacitance-type liquid level measuring probe | |
| US9971316B2 (en) | Process variable transmitter with dual compartment housing | |
| RU2696353C1 (en) | Filled with fluid substance elongated pressure sensor | |
| JP7110549B2 (en) | sensor device | |
| CN205352603U (en) | Diaphragm type digital pressure gauge | |
| CN211317601U (en) | Digital pressure sensor | |
| CN106996846A (en) | Diaphragm type digital pressure gauge | |
| CN207850592U (en) | A kind of multi-temperature step compensation pressure transmitter | |
| JP2017197897A (en) | Method and equipment for measuring water content in pulp material on wire | |
| JP2679665B2 (en) | Submarine repeater structure | |
| CN202141553U (en) | A sensing element for pressure measuring and a capacitive pressure sensor having the sensing element for pressure measuring | |
| CN204405243U (en) | Pressure unit | |
| CN210981349U (en) | Temperature and pressure integrated transmitter | |
| CN212521767U (en) | Silica gel sensor and sensing device | |
| CN203275008U (en) | Melt diaphragm type electric-contact pressure gauge | |
| JP5891105B2 (en) | Field device adapter and field device | |
| CN207456665U (en) | Siphon pressure transmitter | |
| CN201417185Y (en) | Quartz crystal resonant type difference frequency pressure and temperature sensor | |
| CN219348004U (en) | Sensor with temperature and pressure dual current output | |
| CN103913265A (en) | Push-rod-type pressure transmitter | |
| CN216846323U (en) | Multifunctional sensor | |
| CN217605167U (en) | Electronic remote pressure transmitter | |
| CN104180935B (en) | Melt diaphragm type electro connecting pressure gauge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |