CN205752013U - A kind of differential pressure controller - Google Patents
A kind of differential pressure controller Download PDFInfo
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- CN205752013U CN205752013U CN201620592134.1U CN201620592134U CN205752013U CN 205752013 U CN205752013 U CN 205752013U CN 201620592134 U CN201620592134 U CN 201620592134U CN 205752013 U CN205752013 U CN 205752013U
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- differential pressure
- elastic parts
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Abstract
A kind of differential pressure controller, including controller body, this internal cavity that is provided with of controller, is provided with diaphragm in cavity, cavity is divided into upper plenum independent of each other and lower cavity by diaphragm；Controller body is additionally provided with the upper interface being connected with upper plenum and the lower interface being connected with lower cavity, and upper interface and lower interface are used for connecting external feed stream, diaphragm deformation under the differential pressure action of upper plenum and lower cavity；Diaphragm end face is fixed with elastic parts, and upper elastic parts is connected with controller body；Diaphragm bottom surface is fixed with lower elastic parts, and lower elastic parts includes magnetic part；Controller body is additionally provided with lower slider chamber below diaphragm, and magnetic part is arranged on lower slider intracavity and can slide along lower slider chamber；The side of magnetic part is additionally provided with magnetic switch；Magnetic part, when lower slider intracavity slides into precalculated position, triggers magnetic switch and opens or closes.The application by false flow effect, does not improves control accuracy.
Description
Technical field
The application relates to pressure difference switch field, especially a kind of differential pressure controller.
Background technology
Differential pressure controller, also referred to as differential pressure control switch, be commonly used to water system, be widely used in and have plate-type heat-exchange
The large, medium and small air-cooled or water cooled chiller of device, duct type heat exchanger and shell and tube exchanger makees discharge control and water pump
In monitoring with water filter state.
At present, conventional switchs for target type meter, and it can cause false flow phenomenon because of cavitation (in, thus reduces
Control accuracy.
Summary of the invention
The application provides a kind of differential pressure controller, solves the problem that existing differential pressure controller control accuracy is low.
A kind of differential pressure controller, including controller body, this internal cavity that is provided with of controller, is provided with diaphragm, film in cavity
Cavity is divided into upper plenum independent of each other and lower cavity by sheet；Controller body is additionally provided with the upper interface being connected with upper plenum
And the lower interface being connected with lower cavity, upper interface and lower interface be used for connecting external feed stream, and diaphragm is at upper plenum and lower sky
Deformation under the differential pressure action in chamber；Diaphragm end face is fixed with elastic parts, and upper elastic parts is connected with controller body；At the bottom of diaphragm
Face is fixed with lower elastic parts, and lower elastic parts includes magnetic part；Controller body is additionally provided with lower slider chamber, magnetic below diaphragm
Property part is arranged on lower slider intracavity and can slide along lower slider chamber；The side of magnetic part is additionally provided with magnetic switch；Magnetic part under
When sliding into precalculated position in sliding cavity, trigger magnetic switch and open or close.
Preferably, controller body is sliding cavity on diaphragm is also arranged above, and upper elastic parts is arranged in sliding cavity；
Upper elastic parts includes the upper casting die that sliding seat is fixed and the upper elastic component being connected sliding seat and upper casting die with diaphragm；Slide
Seat is provided with for regulating the sliding seat regulating part at upper sliding cavity sliding scale.
Preferably, lower elastic parts also includes lower elastic component and the piece under pressure fixing with diaphragm, piece under pressure and magnetic part
Being connected, lower elastic component upper end is connected with piece under pressure, and lower end is connected with the inwall of controller body.
Preferably, diaphragm is provided with arc-shaped protrusions.
Preferably, magnetic switch is dry-reed tube switch, and magnetic part is magnet steel.
Preferably, upper elastic component is spring, and lower elastic component is spring.
The application provides the benefit that, including controller body, this internal cavity that is provided with of controller, is provided with film in cavity
Sheet, cavity is divided into upper plenum independent of each other and lower cavity by diaphragm；Controller body is additionally provided with and is connected with upper plenum
Upper interface and the lower interface being connected with lower cavity, upper interface and lower interface be used for connecting external feed stream, and diaphragm is at upper plenum
With deformation under the differential pressure action of lower cavity；Diaphragm end face is fixed with elastic parts, and upper elastic parts is connected with controller body；
Diaphragm bottom surface is fixed with lower elastic parts, and lower elastic parts includes magnetic part；Controller body is additionally provided with downslide below diaphragm
Dynamic chamber, magnetic part is arranged on lower slider intracavity and can slide along lower slider chamber；The side of magnetic part is additionally provided with magnetic switch；Magnetic
Part, when lower slider intracavity slides into precalculated position, triggers magnetic switch and opens or closes.Therefore, upper interface and lower interface connect
After external feed stream, diaphragm deformation under the differential pressure action of upper plenum and lower cavity, and then drive magnetic part sliding at lower slider intracavity
Dynamic, when magnetic part slides into precalculated position, trigger magnetic switch and open or close.The application by false flow effect, does not promotes
Control accuracy.
Accompanying drawing explanation
Fig. 1 is the sectional view of the differential pressure controller of a kind of embodiment of the application；
Fig. 2 is the structural representation of the differential pressure controller of a kind of embodiment of the application.
Detailed description of the invention
Combine accompanying drawing below by detailed description of the invention the present invention is described in further detail.
The embodiment of the present application provides a kind of differential pressure controller, as depicted in figs. 1 and 2, including controller body 2, in control
Being provided with cavity in device body 2 processed, be provided with diaphragm 5 in cavity, cavity is divided into upper plenum independent of each other and lower sky by diaphragm 5
Chamber, does not connects between upper plenum and lower cavity.Controller body 1 be additionally provided with the upper interface 101 being connected with upper plenum and with
The lower interface 102 that lower cavity is connected, upper interface 101 and lower interface 102 be used for connecting external feed stream, specifically, upper interface
101 are used for connecing low-pressure admission, and lower interface 102 is used for connecing high pressure admission.It is additionally provided with sealing ring 11 on upper interface 101.Gas is through upper
Interface 101 and lower interface 102 respectively enter upper plenum and lower cavity, and diaphragm 5 is shape under the differential pressure action of upper plenum and lower cavity
Become.
Diaphragm 5 end face is fixed with elastic parts 1, and upper elastic parts is connected with controller body 2.Diaphragm 5 bottom surface is fixed
Lower elastic parts 8, lower elastic parts 8 is had to include magnetic part 15.Controller body 2 is additionally provided with lower slider chamber 9 below diaphragm 5,
This sliding cavity 9 is connected with lower cavity.In magnetic part 15 is arranged on lower slider chamber 9 and can slide along lower slider chamber 9, specifically with
The deformation of diaphragm 5 and slide.The side of magnetic part 15 is additionally provided with magnetic switch 16.Magnetic part 15 slides in lower slider chamber 9
During precalculated position, trigger magnetic switch 16 and open or close.Magnetic switch 16 connects peripheral control unit, at air-cooled or water-cooled cold water
The monitoring making discharge control and water pump and water filter state in unit is used.
Reach to trigger magnetic it should be noted that above-mentioned precalculated position is the distance between magnetic switch 16 and magnetic part 15
Property switch 16 position, those skilled in the art can rationally determine this position in conjunction with practical situation.
In one embodiment, controller body 2 is also arranged above sliding cavity at diaphragm 5, and the top of upper sliding cavity is
Cover plate 17.Upper elastic parts 1 is arranged in sliding cavity, and upper elastic parts includes sliding seat 4 and the fixing upper casting die 6 of diaphragm 5
And connect sliding seat 4 and the upper elastic component 3 of upper casting die 6.Sliding seat 4 can relatively be gone up sliding cavity and slide, sliding seat 4 and upper slip
O it is additionally provided with between cavity wall.Sliding seat 4 is provided with for regulating the sliding seat 4 regulating part at upper sliding cavity sliding scale,
This regulating part can be screw.Regulating part restriction sliding seat 4 is after upper sliding cavity sliding scale, and upper elastic component 3 is at the beginning of diaphragm 5
Beginning pressure change, such that it is able to the initial differential pressure value adjusted between upper plenum and lower cavity.
In one embodiment, lower elastic parts 8 also includes lower elastic component 13 and the piece under pressure 7 fixed with diaphragm 5, under
Casting die 7 is connected by nut 14 with magnetic part 15, and lower elastic component 13 upper end is connected with piece under pressure 7, lower end and controller body 2
Inwall is connected.
In one embodiment, diaphragm 5 is provided with arc-shaped protrusions, thus increases the active area of pressure.
In one embodiment, magnetic switch 16 is dry-reed tube switch, and magnetic part 15 is magnet steel.Upper elastic component 3 is spring,
Lower elastic component 13 is spring.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this
Bright being embodied as is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off
On the premise of present inventive concept, it is also possible to make some simple deduction or replace.
Claims (6)
1. a differential pressure controller, it is characterised in that:
Including controller body, this internal cavity that is provided with of controller, being provided with diaphragm in cavity, cavity is divided into the most only by diaphragm
Vertical upper plenum and lower cavity；Controller body is additionally provided with the upper interface being connected with upper plenum and is connected with lower cavity
Lower interface, upper interface and lower interface be used for connecting external feed stream, diaphragm deformation under the differential pressure action of upper plenum and lower cavity；Film
Sheet end face is fixed with elastic parts, and upper elastic parts is connected with controller body；Diaphragm bottom surface is fixed with lower elastic parts, under
Elastic parts includes magnetic part；Controller body is additionally provided with lower slider chamber below diaphragm, and magnetic part is arranged on lower slider intracavity
And can slide along lower slider chamber；The side of magnetic part is additionally provided with magnetic switch；Magnetic part slides into pre-determined bit at lower slider intracavity
When putting, trigger magnetic switch and open or close.
Differential pressure controller the most according to claim 1, it is characterised in that:
Controller body is sliding cavity on diaphragm is also arranged above, and upper elastic parts is arranged in sliding cavity；Upper elastic parts
The upper casting die fixed with diaphragm including sliding seat and the upper elastic component being connected sliding seat and upper casting die；Sliding seat is provided with use
In regulating the sliding seat regulating part at upper sliding cavity sliding scale.
Differential pressure controller the most according to claim 1, it is characterised in that:
Lower elastic parts also includes lower elastic component and the piece under pressure fixing with diaphragm, and piece under pressure is connected with magnetic part, lower elasticity
Part upper end is connected with piece under pressure, and lower end is connected with the inwall of controller body.
4. according to the differential pressure controller described in claim 1-3 any one, it is characterised in that:
Diaphragm is provided with arc-shaped protrusions.
5. according to the differential pressure controller described in claim 1-3 any one, it is characterised in that:
Magnetic switch is dry-reed tube switch, and magnetic part is magnet steel.
6. according to the differential pressure controller described in claim 1-3 any one, it is characterised in that:
Upper elastic component is spring, and lower elastic component is spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592134.1U CN205752013U (en) | 2016-06-17 | 2016-06-17 | A kind of differential pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620592134.1U CN205752013U (en) | 2016-06-17 | 2016-06-17 | A kind of differential pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205752013U true CN205752013U (en) | 2016-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620592134.1U Active CN205752013U (en) | 2016-06-17 | 2016-06-17 | A kind of differential pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205752013U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045957A (en) * | 2017-03-03 | 2017-08-15 | 漳州聚安美电气科技有限公司 | One kind switch core anti-oil structure, core assembly and vehicle-mounted switch |
| CN112146227A (en) * | 2020-08-31 | 2020-12-29 | 珠海格力电器股份有限公司 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
-
2016
- 2016-06-17 CN CN201620592134.1U patent/CN205752013U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107045957A (en) * | 2017-03-03 | 2017-08-15 | 漳州聚安美电气科技有限公司 | One kind switch core anti-oil structure, core assembly and vehicle-mounted switch |
| CN107045957B (en) * | 2017-03-03 | 2020-08-14 | 漳州聚安美电气科技有限公司 | Grease proofing structure of switch core, core subassembly and on-vehicle switch |
| CN112146227A (en) * | 2020-08-31 | 2020-12-29 | 珠海格力电器股份有限公司 | Pressure detection switch, air conditioner control method and device, air conditioner and storage medium |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201411 Shanghai City, Jiading District Nanxiang Town lies north road 1755 Lane 15, 1-4 floor B District Patentee after: Shanghai Shen refrigeration controller Limited by Share Ltd Address before: 201411 Shanghai City, Jiading District Nanxiang Town lies north road 1755 Lane 15, 1-4 floor B District Patentee before: SHANGHAI FENGSHEN REFRIGERATION CONTROLS CO., LTD. |