CN209146420U - A kind of dynamic electric magnetically condition formula back pressure valve gear - Google Patents
A kind of dynamic electric magnetically condition formula back pressure valve gear Download PDFInfo
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- CN209146420U CN209146420U CN201821947425.3U CN201821947425U CN209146420U CN 209146420 U CN209146420 U CN 209146420U CN 201821947425 U CN201821947425 U CN 201821947425U CN 209146420 U CN209146420 U CN 209146420U
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- flap
- dynamic electric
- condition formula
- back pressure
- electromagnet
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Abstract
The utility model discloses a kind of dynamic electric magnetically condition formula back pressure valve gears, it includes valve seat, the valve body of inner cavity, the flap being movably disposed in inner cavity and the compressed spring to flap applied force is mutually tightly connected and had with valve seat, the inside of flap is embedded with magnetic block, the inside of valve body is embedded with the electromagnet for generating suction to magnetic block when energized, and the direction of suction and compressed spring are to the contrary of flap pressure applied；Dynamic electric magnetically condition formula back pressure valve gear further includes being connected and capable of controlling the control unit of electromagnet electrical current value with electromagnet, be connected to liquid outlet downstream direction and obtain the pressure sensor of flap pressure, the host computer being connected with control unit by detecting Fluid pressure, and pressure sensor is connected with control unit.Utility model device structure is simple, and relevant control can be realized by upper computer software, and easy to operate and failure rate is low.
Description
Technical field
The utility model relates to a kind of dynamic electric magnetically condition formula back pressure valve gears.
Background technique
Counterbalance valve is also referred to as check-valves, is mainly used for pipe-line system, is to force contracting by what the flowing of pipeline intermediary matter itself generated
Built-in compressed spring, realization open and close automatically function, and main function is the positive circuit pressure needed for setting is opened, and prevent
Medium is flow backwards.Counterbalance valve can be divided into swing type (rotating according to center of gravity) and two kinds of lift (moving along axis) by structure.Wherein, it rises
The flap of drop formula counterbalance valve is located on sealing surface of seat, plays a part of to be freely lifted；Positive circuit pressure need to meet or exceed certain
When one threshold, flap separates realization with valve seat and opens, which is the precompression for compressing compressed spring and giving flap.In reality
Border is in use, the above precompression is directly proportional to the compression deflection of compressed spring itself, and usually certain value, can not adapt to precompressed
The changeable situation of power demand；A kind of existing technology be change hand Screw or by way of unscrewing compression compressed spring with
The contact surface position of valve body realizes the variation of precompression, but this side by adjusting the method for the deflection of compression compressed spring
The shortcomings that method, is: there are possible rigging error and being not easy to be found；The process for screwing or unscrewing is manual operation, it is difficult to essence
Really quantization；After certain manual operation, the above precompressed force value can not automatically reset, and be unfavorable for long-term ongoing operation；It further increases
The difficulty of sealing.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of dynamic electric magnetically condition formula back pressure valve gears.
In order to reach the goals above, the technical solution adopted in the utility model is: a kind of dynamic electric magnetically condition formula counterbalance valve
Device, it includes valve seat, is mutually tightly connected with valve seat and the valve body with inner cavity, the flap that is movably disposed in inner cavity and
To the compressed spring of flap applied force, valve seat offers the inlet being connected with inner cavity, and valve body is offered to be connected with inner cavity
Liquid outlet, the inside of flap is embedded with magnetic block, the inside of valve body embedded with the electromagnet for generating suction to magnetic block when energized,
The direction of suction and compressed spring are to the contrary of flap pressure applied；
When dynamic electric magnetically condition formula back pressure valve gear is in closed state, compressed spring to flap pressure applied with
The difference of suction is greater than fluid to flap pressure, and valve body pushes against valve seat and closes the inlet；When dynamic electric magnetically condition formula
In the open state, compressed spring is less than fluid to flap to the difference of flap pressure applied and suction to back pressure valve gear
Pressure, valve body, which is detached from valve seat, opens inlet, and the channel flowed for fluid is formed between inlet and liquid outlet；
Dynamic electric magnetically condition formula back pressure valve gear further includes being connected with electromagnet and capable of controlling electromagnet electrical current
The control unit of value, the pressure for being connected to liquid outlet downstream direction and obtaining flap pressure by detecting Fluid pressure pass
Sensor, the host computer being connected with control unit, pressure sensor are connected with control unit, pressure sensor and control unit
Signal transmission direction be from pressure sensor to control unit, the signal transmission direction between host computer and control unit is double
To transmission.
Further, electromagnet is located at the top of inner cavity.
Further, compressed spring is towards inlet to flap pressure applied direction, and electromagnet is to magnetic block institute
The direction of the suction of generation is towards liquid outlet.
Further, the first briquetting that flap has the first accommodating chamber, is mutually tightly connected with first accommodating chamber, magnetic block
It is arranged in first accommodating chamber and magnetic block is closed in the first accommodating chamber by the first briquetting.
Further, the first briquetting, which has, protrudes into inner cavity and is radially limited to one end of compressed spring first convex
Portion.
Further, the second briquetting that valve body has the second accommodating chamber, is mutually tightly connected with second accommodating chamber, electromagnet
It is arranged in second accommodating chamber and electromagnet is closed in the second accommodating chamber by the second briquetting.
Further, liquid outlet is provided on the second briquetting.
Further, electromagnet is annular, and the second briquetting has the annular for penetrating the second accommodating chamber and passing through electromagnet
Second protrusion of centre bore.
Further, the second protrusion protrudes into inner cavity and carries out radial limit to the other end of compressed spring.
Further, inlet is taper, and flap, which has, can extend into inlet and by its closed taper protrusion, the cone
The cone angle of shape protrusion is greater than the cone angle of inlet.
By using above-mentioned technical proposal, the utility model dynamic electric magnetically condition formula back pressure valve gear passes through host computer control
Control unit processed is powered to electromagnet, and by changing the current value of magnet, the suction changed between electromagnet and magnetic block changes, from
And change the precompression that device gives flap；When flap and valve seat are opened, by the pressure sensor of postposition to positive fluid
It is detected, signal feeds back to host computer by circuit board, is judged by host computer, and make dynamic to the power supply of electromagnet and adjust
It is whole.The apparatus structure is simple, and relevant control can be realized by upper computer software, and easy to operate and failure rate is low.This dynamic electric
The advantages of magnetically condition formula back pressure valve gear includes: a. the individual difference that magnitude of back pressure between counterbalance valve is eliminated in a certain range；b.
By freely adjusting magnitude of back pressure in a certain range, to adapt in some period for different fluid, the variation of preset pressure；
C. for fore pump change in fluid pressure and external factor as caused by change in flow (such as weather, temperature) to system
Interference, carry out dynamic compensation.
Detailed description of the invention
Attached drawing 1 is a kind of structural representation of the dynamic electric magnetically condition formula back pressure valve gear of the utility model in closed state
Figure；
Attached drawing 2 is a kind of structural representation of dynamic electric magnetically condition formula back pressure valve gear of the utility model in the open mode
Figure.
Figure label are as follows:
1, valve seat；11, inlet；2, valve body；21, liquid outlet；22, inner cavity；23, the second accommodating chamber；24, the second briquetting；
241, the second protrusion；25, hole；3, flap；31, the first accommodating chamber；32, the first briquetting；321, the first protrusion；33, taper protrusion；
4, compressed spring；5, magnetic block；6, electromagnet；7, pressure sensor；8, circuit board；81, supply lines；9, host computer；10, go out liquid
Connector.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature.
With reference to figures 1 through attached drawing 2, in the present embodiment, a kind of dynamic electric magnetically condition formula back pressure valve gear, it includes valve seat
1, the valve body 2 of inner cavity 22, the flap 3 being movably disposed in inner cavity 22 are tightly connected and had with 1 phase of valve seat and to flap 3
The compressed spring 4 of applied force, valve seat 1 offer the inlet 11 being connected with inner cavity 22, and valve body 2 is offered to be connected with inner cavity 22
Logical liquid outlet 21.
Valve body 2 in the present embodiment is attached with valve seat 1 by pipe screw thread pair, and pipe screw thread is carried out close by raw material band
Envelope.
The inside of flap 3 is embedded with magnetic block 5, and the inside of valve body 2 is embedded with the electromagnetism for generating suction to magnetic block 5 when energized
Iron 6, the direction of suction and compressed spring are to the contrary of 3 pressure applied of flap.Specifically, compressed spring 4 is to flap 3
Pressure applied direction is towards inlet 11, and electromagnet 6 is towards liquid outlet to the direction of suction caused by magnetic block 5
21.When dynamic electric magnetically condition formula back pressure valve gear is in closed state, compressed spring is to 3 pressure applied of flap and suction
Difference be greater than fluid to 3 pressure of flap, valve body 2 pushes against valve seat 1 and simultaneously closes inlet 11；When dynamic electric magnetically condition formula back pressure
In the open state, compressed spring is less than fluid to the difference of 3 pressure applied of flap and suction and presses flap 3 valve gear
Power, valve body 2, which is detached from valve seat 1, opens inlet 11, and the channel flowed for fluid is formed between inlet 11 and liquid outlet 21.
In a kind of highly preferred embodiment, inlet 11 is taper, and flap 3, which has, can extend into inlet 11 simultaneously
By its closed taper protrusion 33, the cone angle of the taper protrusion 33 is greater than the cone angle of inlet 11.Specifically, taper protrusion 33
Cone angle is slightly larger than the cone angle of inlet 11, prevents taper protrusion 33 from generating negative pressure of vacuum when being detached from inlet 11.
This gives the specific structures that a kind of magnetic block 5 is embedded in flap 3: flap 3 have the first accommodating chamber 31,
The first briquetting 32 being tightly connected with 31 phase of the first accommodating chamber, magnetic block 5 is arranged in first accommodating chamber 31 and the first pressure
Magnetic block 5 is closed in the first accommodating chamber 31 by block 32.Magnetic block 5 in the present embodiment is circle.
Preferably, the first briquetting 32 has the first protrusion 321 for protruding into inner cavity 22, and first protrusion 321 is to compressed spring 4
One end carry out radial limit.
Electromagnet 6 is located at the top of inner cavity 22.This gives the specific knots that a kind of electromagnet 6 is embedded in valve body 2
Structure: the second briquetting 24 that valve body 2 has the second accommodating chamber 23, is tightly connected with 23 phase of the second accommodating chamber, the setting of electromagnet 6 exist
In second accommodating chamber 23 and electromagnet 6 is closed in the second accommodating chamber 23 by the second briquetting 24.
Preferably, electromagnet 6 is annular, and the second briquetting 24 has the second protrusion 241, which penetrates second
Accommodating chamber 23 and the annular center hole for passing through electromagnet 6, and inner cavity 22 is protruded into and to the another of compressed spring 4 in 9 second protrusions 241
One end carries out radial limit.
Above-mentioned liquid outlet 21 is provided on the second briquetting 24.
Dynamic electric magnetically condition formula back pressure valve gear further includes being connected and capable of controlling electromagnet 6 with electromagnet 6 to be powered electricity
The control unit 8 of flow valuve is connected to 21 downstream direction of liquid outlet and obtains 3 pressure of flap by detecting Fluid pressure
Pressure sensor 7, the host computer 9 being connected with control unit 8, pressure sensor 7 are connected with control unit 8, pressure sensing
The signal transmission direction of device 7 and control unit 8 is from pressure sensor 7 to control unit 8, between host computer 9 and control unit 8
Signal transmission direction be transmitted in both directions.
Specifically, pressure sensor 7 is connected by liquid outlet connector 10 with liquid outlet 21.Downstream direction above be by
It is defined according to the flow direction of fluid.
Specifically, control unit 8 is circuit board, is connected between electromagnet 6 and control unit 8 by supply lines 81, valve
The hole 25 for being connected with the second accommodating chamber 23 and passing through for supply lines 81 is offered on body 2.
Working principle:
As shown in Fig. 1, dynamic electric magnetically condition formula back pressure valve gear is in closed state, closes between flap 3 and valve seat 1
Close, if compressed spring 4 is to the first briquetting 32 of flap 3(at this time) pressure that applies is M, electromagnet 6 is N to the suction of magnetic block 5.
When control unit 8 does not power to electromagnet 6, precompression P=M suffered by flap 3；When control unit 8 powers to electromagnet 6, and N
In the case where M, precompression P=M-N suffered by flap 3.Since the size and the be powered flow valuve of electromagnet of N are in a linear relationship, therefore
Under the premise of N is less than M, it can be derived that 6 current value of electromagnet is corresponding with precompression suffered by flap 3 according to the prior art and close
System, to realize 9 software control control unit 8 of host computer, change 6 current value of electromagnet and then adjust precompression suffered by flap 3.
As shown in Fig. 2, dynamic electric magnetically condition formula back pressure valve gear is in the open state, and flap 3 and valve seat 1 are opened, electromagnet 6 and magnetic
Property 5 distance of block becomes smaller, and N is further promoted, convenient for the conducting of fluid；When 6 current value of electromagnet declines or is zeroed, suffered by flap 3
Pressure increases, and when more than fluid to the pressure of flap 3, flap 3 and valve seat 1 are completed to be closed, dynamic electric magnetically condition formula counterbalance valve dress
Set closing.
When flap 3 and valve seat 1 are opened, it is measured in real time by 7 pairs of pressure sensor positive fluids of postposition, signal
Host computer 9 is fed back to by control unit 8, is judged by host computer 9, and dynamic is made to the power supply of electromagnet 6 and is adjusted.
This dynamic electric magnetically condition formula back pressure valve gear, relevant control can be realized by upper computer software, it is easy to operate and
Failure rate is low.The advantages of this dynamic electric magnetically condition formula back pressure valve gear includes: a. that back pressure between counterbalance valve is eliminated in a certain range
The individual difference of size；B. by freely adjusting magnitude of back pressure in a certain range, to adapt in some period for not cocurrent flow
Body, the variation of preset pressure；C. for fore pump, change in fluid pressure and external factor as caused by change in flow be (such as
Weather, temperature etc.) interference to system, carry out dynamic compensation.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of dynamic electric magnetically condition formula back pressure valve gear, it includes valve seat (1), with the valve seat (1) is mutually tightly connected and has
The valve body (2) for having inner cavity (22), the flap (3) being movably disposed in the inner cavity (22) and to the flap (3) apply
The compressed spring (4) of power, the valve seat (1) offer the inlet (11) being connected with the inner cavity (22), the valve
Body (2) offers the liquid outlet (21) being connected with the inner cavity (22), it is characterised in that: the inside of the flap (3) is embedded with
Magnetic block (5), the inside of the valve body (2) is embedded with the electromagnet (6) that when energized magnetic block (5) are generated with suction, institute
The direction of suction is stated with the compressed spring to the contrary of flap (3) pressure applied；
When the dynamic electric magnetically condition formula back pressure valve gear is in closed state, the compressed spring applies flap (3)
Pressure and the difference of the suction be greater than fluid to the flap (3) pressure, the valve body (2) pushes against valve seat (1) and by institute
State inlet (11) closing；When the dynamic electric magnetically condition formula back pressure valve gear in the open state, the compressed spring pair
Flap (3) pressure applied and the difference of the suction are less than fluid to the flap (3) pressure, and the valve body (2) is detached from
Valve seat (1) opens the inlet (11), is formed between the inlet (11) and liquid outlet (21) and is led to for what fluid flowed
Road；
The dynamic electric magnetically condition formula back pressure valve gear further includes being connected with the electromagnet (6) and capable of controlling electromagnet
(6) control unit (8) of electrical current value, be connected to the liquid outlet (21) downstream direction and by detection Fluid pressure
Pressure sensor (7), the host computer (9) that is connected with described control unit (8) to flap (3) pressure, the pressure
Sensor (7) is connected with described control unit (8), the signal transmission direction of the pressure sensor (7) and control unit (8)
For from pressure sensor (7) to control unit (8), the signal transmission direction between the host computer (9) and control unit (8) is
Transmitted in both directions.
2. dynamic electric magnetically condition formula back pressure valve gear according to claim 1, it is characterised in that: the electromagnet (6)
Positioned at the top of the inner cavity (22).
3. dynamic electric magnetically condition formula back pressure valve gear according to claim 1, it is characterised in that: the compressed spring (4)
It is towards inlet (11) to flap (3) pressure applied direction, the electromagnet (6) is inhaled to caused by magnetic block (5)
The direction of power is towards the liquid outlet (21).
4. dynamic electric magnetically condition formula back pressure valve gear according to claim 1, it is characterised in that: the flap (3) has
First accommodating chamber (31), the first briquetting (32) being mutually tightly connected with first accommodating chamber (31), magnetic block (5) setting exist
In first accommodating chamber (31) and the magnetic block (5) is closed in the first accommodating chamber (31) by first briquetting (32).
5. dynamic electric magnetically condition formula back pressure valve gear according to claim 4, it is characterised in that: first briquetting (32)
With the first protrusion (321) protruding into the inner cavity (22) and radially being limited to one end of the compressed spring (4).
6. dynamic electric magnetically condition formula back pressure valve gear according to claim 1, it is characterised in that: the valve body (2) has
Second accommodating chamber (23), the second briquetting (24) being mutually tightly connected with second accommodating chamber (23), electromagnet (6) setting exist
In second accommodating chamber (23) and the electromagnet (6) is closed in the second accommodating chamber (23) by second briquetting (24).
7. dynamic electric magnetically condition formula back pressure valve gear according to claim 6, it is characterised in that: the liquid outlet (21)
It is provided on second briquetting (24).
8. dynamic electric magnetically condition formula back pressure valve gear according to claim 6, it is characterised in that: the electromagnet (6)
For annular, second briquetting (24), which has, penetrates second accommodating chamber (23) and in the annular of the electromagnet (6)
Second protrusion (241) in heart hole.
9. dynamic electric magnetically condition formula back pressure valve gear according to claim 8, it is characterised in that: second protrusion
(241) it protrudes into the inner cavity (22) and radial limit is carried out to the other end of the compressed spring (4).
10. dynamic electric magnetically condition formula back pressure valve gear according to claim 1, it is characterised in that: the inlet
It (11) is taper, the flap (3), which has, can extend into the inlet (11) and by its closed taper protrusion (33), the cone
The cone angle of shape protrusion (33) is greater than the cone angle of inlet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947425.3U CN209146420U (en) | 2018-11-23 | 2018-11-23 | A kind of dynamic electric magnetically condition formula back pressure valve gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947425.3U CN209146420U (en) | 2018-11-23 | 2018-11-23 | A kind of dynamic electric magnetically condition formula back pressure valve gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209146420U true CN209146420U (en) | 2019-07-23 |
Family
ID=67287295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821947425.3U Active CN209146420U (en) | 2018-11-23 | 2018-11-23 | A kind of dynamic electric magnetically condition formula back pressure valve gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209146420U (en) |
-
2018
- 2018-11-23 CN CN201821947425.3U patent/CN209146420U/en active Active
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