CN206960105U - A kind of DC pulse formula detector for state of electromagnetic valve - Google Patents
A kind of DC pulse formula detector for state of electromagnetic valve Download PDFInfo
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- CN206960105U CN206960105U CN201720574086.8U CN201720574086U CN206960105U CN 206960105 U CN206960105 U CN 206960105U CN 201720574086 U CN201720574086 U CN 201720574086U CN 206960105 U CN206960105 U CN 206960105U
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Abstract
The utility model provides a kind of DC pulse formula detector for state of electromagnetic valve, and its enclosure interior is provided with circuit board, removable magnetic means and movable push bar；Magnetic force detection circuit is provided with circuit board, and circuit board is arranged at the fixed position in housing；Removable magnetic means is arranged between circuit board and movable push bar, and movable push bar drives diaphragm movement of the removable magnetic means with DC pulse formula magnetic valve；And then the position of barrier film is detected, realize the detection for DC pulse formula electromagnetic valve switch state.And, the attachment structure for installation is provided with hull outside, being connected between the body lid of DC pulse formula magnetic valve can be achieved by the attachment structure, without the manual stickup for detection circuit and the diverse location of magnet in the prior art, so that the installation process between the DC pulse formula detector for state of electromagnetic valve and direct current pulse electromagnetic valve simplifies, cost of labor has been saved.
Description
Technical field
Electric and electronic technical field is the utility model is related to, more particularly to a kind of DC pulse formula magnetic valve state-detection dress
Put.
Background technology
Nowadays, magnetic valve is mainly used in the fields such as agricultural, gardens, landscape, industrial anti-dust, is especially automated in modern agriculture
It is widely used in irrigation system and enormous amount.In modern agriculture automatic irrigation system, the control model of magnetic valve is certainly
Dynamic model formula, site of deployment is more severe, is mostly the hot arid, weather of high humidity, warm round the clock on the ground such as the north and northwest, Xinjiang
Poor big, the reliability effect of controlling switch of these weather conditions to magnetic valve in itself is very big；Once automatically control magnetic valve to open
Failure is closed, the normal operation of automatic irrigation system will be directly affected, and certain destruction is caused to the pipe network system of irrigation.
The DC pulse formula magnetic valve commonly used in modern agriculture automatic irrigation system, electromagnetism valve pocket is controlled by electric signal
Pressure differential in body hydraulic pressure and pipeline between hydraulic pressure and external atmosphere pressure controls barrier film to move up and down, so as to realize to pipeline water
The opening and closing on road.The technology of current application is referring to Fig. 1, its Cleaning Principle：DC pulse formula magnetic valve opening when
Wait, electromagnetic diaphragm 101 is moved upwards, and the magnet 102 pasted in electromagnetic diaphragm 101 is close when moving to upward motion
During electromagnetic valve body lid 103, detection circuit 104 detects magnetic signal, is sent by detection circuit 104 and characterizes what magnetic valve had already turned on
Level signal realizes the detection of magnetic valve open state to host computer.Conversely, as shown in figure 1, detection circuit 104 can't detect magnetic
Signal, sent by detection circuit 104 and characterize the level signal that is not switched on of magnetic valve to host computer.
But detection circuit 104 is required to be respectively adhered on direct current pulse electromagnetic valve by manual operation with magnet 102
Diverse location, its operating process is complicated, and cost of labor is high.
Utility model content
The utility model provides a kind of DC pulse formula detector for state of electromagnetic valve, to solve in the prior art due to inspection
The problem of surveying operating process complexity when device is installed and causing cost of labor high.
To achieve the above object, the technical scheme that the application provides is as follows：
A kind of DC pulse formula detector for state of electromagnetic valve, it is installed in the body lid of DC pulse formula magnetic valve；It is described
DC pulse formula detector for state of electromagnetic valve includes：Housing, circuit board, removable magnetic means and movable push bar；Wherein：
The attachment structure for installation is provided with the hull outside；
Magnetic force detection circuit is provided with the circuit board, and the circuit board is arranged at the fixed bit in the housing
Put；
The removable magnetic means is arranged between the circuit board and the movable push bar, and the movable push bar drives
The removable magnetic means with the DC pulse formula magnetic valve diaphragm movement.
Preferably, the attachment structure is external screw thread screw thread.
Preferably, first chamber and second chamber are included in the housing；
The circuit board is arranged at the fixed position in the first chamber；
The removable magnetic means is arranged in the second chamber.
Preferably, the removable magnetic means includes：Magnet and elastic force apparatus；
The circuit board, the elastic force apparatus, the magnet are disposed adjacent successively with the movable push bar.
Preferably, the elastic force apparatus is spring.
Preferably, the magnetic force detection circuit includes Hall sensor.
The DC pulse formula detector for state of electromagnetic valve provided by the utility model, its enclosure interior are provided with circuit
Plate, removable magnetic means and movable push bar；Magnetic force detection circuit is provided with the circuit board, and the circuit board is arranged at
Fixed position in the housing；The removable magnetic means is arranged between the circuit board and the movable push bar, institute
State the diaphragm movement that movable push bar drives the removable magnetic means with the DC pulse formula magnetic valve；And then detect every
The position of film, realize the detection for DC pulse formula electromagnetic valve switch state.Also, it is provided with and is used in the hull outside
The attachment structure of installation, being connected between the body lid of DC pulse formula magnetic valve can be achieved by the attachment structure,
Without the manual stickup for detection circuit and the diverse location of magnet in the prior art so that the DC pulse formula magnetic valve shape
Installation process between state detection means and direct current pulse electromagnetic valve simplifies, and has saved cost of labor.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the technical scheme in the utility model embodiment or prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, below description in accompanying drawing only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the DC pulse formula detector for state of electromagnetic valve that prior art provides；
Fig. 2 is the structural representation for the DC pulse formula detector for state of electromagnetic valve that the utility model embodiment provides；
Fig. 3 is the structural representation for the DC pulse formula detector for state of electromagnetic valve that another embodiment of the utility model provides
Figure；
Fig. 4 is the structural representation for the DC pulse formula detector for state of electromagnetic valve that another embodiment of the utility model provides
Figure；
Fig. 5 is the structural representation for the magnetic force detection circuit that another embodiment of the utility model provides.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the application protection.
The utility model provides a kind of DC pulse formula detector for state of electromagnetic valve, to solve in the prior art due to inspection
The problem of surveying operating process complexity when device is installed and causing cost of labor high.
The DC pulse formula detector for state of electromagnetic valve, referring to Fig. 2, it is installed on the body lid of DC pulse formula magnetic valve
In 301；Specifically include：Housing 201, circuit board 202, removable magnetic means 203 and movable push bar 204；Wherein：
The attachment structure for installation is provided with the outside of housing 201；
Magnetic force detection circuit is provided with circuit board 202, and circuit board 202 is arranged at the fixed position in housing 201；
Removable magnetic means 203 is arranged between circuit board 202 and movable push bar 204, and movable push bar 204 drives removable
Move diaphragm movement of the magnetic means 203 with DC pulse formula magnetic valve.
Specifically, the DC pulse formula detector for state of electromagnetic valve realizes that DC pulse formula magnetic valve open and close state is examined
The principle of survey is：
Referring to Fig. 2, when DC pulse formula magnetic valve is opened, the barrier film 302 of DC pulse formula magnetic valve is because by pipeline
Middle fluid pressure influences and deforms upon motion upwards so that movable push bar 204 can be removable so as to drive with upward motion
Magnetic means 203 also moves upward, when removable magnetic means 203 moves to certain stroke range, circuit board 202
On magnetic force detection circuit it is just affected by magnetic fields and export low level, so as to be supplied to host computer one by the signal wire of extraction
Characterize the signal that magnetic valve is opened.
After DC pulse formula closed electromagnetic valve, the barrier film 302 of DC pulse formula magnetic valve is downward by pipeline pressure influence
Move back to nature state.Movable push bar 204 in the DC pulse formula detector for state of electromagnetic valve can move downward therewith,
Departing from the induction range of magnetic force detection circuit, level upset will occur again for magnetic force detection circuit, export high level, so as to
It is supplied to the signal of one sign closed electromagnetic valve of host computer.
What deserves to be explained is in specific practical application, movable push bar 204 can due to itself Action of Gravity Field, can
The pressure effect of mobile magnetic means 203 or the pulling force effect of barrier film 302, and realize it is above-mentioned move downward, do not do and have herein
Body limits, can be depending on its concrete application environment, in the protection domain of the application.
The present embodiment provide the DC pulse formula detector for state of electromagnetic valve, by above-mentioned principle i.e. can detect that every
The position of film 302, realize the detection for DC pulse formula electromagnetic valve switch state.Also, housing 201 is provided with use on outside
It is that the connection between the body lid 301 of DC pulse formula magnetic valve can be achieved by the attachment structure in the attachment structure of installation
It is fixed, without the manual stickup for detection circuit and the diverse location of magnet in the prior art so that DC pulse formula electricity
Installation process between magnet valve condition checkout gear and direct current pulse electromagnetic valve simplifies, and has saved cost of labor.
In addition, the detection circuit pasted in the prior art for outside, it is also necessary to which, by specially treated, ability can
Tackle the natural causes such as outdoor atrocious weather.And the DC pulse formula detector for state of electromagnetic valve that the present embodiment provides,
Whole devices are arranged in housing 201, realizes and detects circuit and the protection of other devices for magnetic force.Also, pass through shell
Attachment structure outside body 201 realizes being connected between the body lid 301 of DC pulse formula magnetic valve, it is possible to achieve standard
Change, mass processing, be easily installed, the DC pulse formula magnetic valve of different model specification on the market can be met.
Another embodiment of the utility model additionally provides a kind of specific DC pulse formula detector for state of electromagnetic valve,
On above-described embodiment and Fig. 2 basis, referring to Fig. 3 and Fig. 4, its attachment structure is external screw thread screw thread.
Shown in square frame referring to Fig. 3, DC pulse formula detector for state of electromagnetic valve of the present embodiment offer, in fact
Installation now between DC pulse formula magnetic valve it is fixed, it is necessary to first on the body lid 301 of DC pulse formula magnetic valve punching,
Mantle fiber, the diameter of its screw thread is equal with the diameter of external screw thread screw thread on housing 201, by the DC pulse formula magnetic valve state-detection
Device is directly screwed in the relevant position of body lid 301.
Certainly, in specific practical application, the attachment structure can also be other forms, such as buckle etc., herein not
Repeat one by one again, be not necessarily limited to external screw thread screw thread, can also be depending on its specific application environment, in the application
Protection domain in.
On the basis of above-described embodiment, it is preferred that referring to Fig. 4, include first chamber 401 and second in housing 201
Chamber 402；
Circuit board 202 is arranged at the fixed position in first chamber 401；
Removable magnetic means 203 is arranged in second chamber 402.
Two chambers will be divided into inside housing 201, make two chambers mutually isolated.Circuit board is placed in first chamber 401
202, specifically, circuit board 202 can be arranged at the bottom of first chamber 401, the i.e. position close to second chamber 402, certainly
Can also be other positions, only a kind of example herein.
Preferably, magnetic force detection circuit includes Hall sensor.
Magnetic force detection circuit can use the typical circuit that Hall producer provides, and be made into circuit board 202, and by drawing
The signal wire outputs level signals gone out.
Specifically, the typical circuit as shown in figure 5, including：Hall sensor U1, the first electric capacity C1, the second electric capacity C2, the
One resistance R1, second resistance R2, voltage-stabiliser tube D1 and lead terminal J1.Hall sensor U1 VDD pin and+5V power supplys, the second electricity
The one end and the first electric capacity C1 one end for hindering R2 are connected, Hall sensor U1 GND pin and the first electric capacity C1 other end and the
Two electric capacity C2 one end ground connection, Hall sensor U1 OUT pin are connected with first resistor R1 and the second electric capacity C2 tie point；The
The two resistance R2 other end is connected with the negative electrode of the first resistor R1 other end and voltage-stabiliser tube D1；Voltage-stabiliser tube D1 plus earth.
Wherein, Hall sensor U1 can specifically use monopole Hall switch chip HAL581, the first electric capacity C1 capacity
For 0.1uF, the second electric capacity C2 capacity is 4.7nF, and first resistor R1 resistance takes 10K, and second resistance R2 resistance takes 100R,
Voltage-stabiliser tube D1 can specifically use chip BZX84C3V3, only a kind of example, and being not specifically limited herein, can regard its tool
Depending on body application environment, in the protection domain of the application.
In the DC pulse formula detector for state of electromagnetic valve shown in Fig. 4, due to being divided into two up and down inside housing 201
The chamber of isolation so that magnetic force detection circuit can arbitrarily be substituted for other sensor circuit, such as tongue tube etc., not do herein
It is specific to limit, can be depending on its application environment, in the protection domain of the application.
On the basis of above-described embodiment, it is preferred that referring to Fig. 4, removable magnetic means 203 includes：Magnet 231 with
Elastic force apparatus 232；
Circuit board 202, elastic force apparatus 232, magnet 231 are disposed adjacent successively with movable push bar 204.
Referring to Fig. 4, elastic force apparatus 232, magnet 231 and movable push bar 204 are disposed with second chamber 402.
Preferably, elastic force apparatus 232 is spring.
Elastic force apparatus 232 is spring, and after DC pulse formula closed electromagnetic valve, barrier film 302 is downward by pipeline pressure influence
Motion；Movable push bar 204 is acted on and moved downward by the pressure of spring so that and magnet 231 also moves downward, and then departing from magnetic
Power detects the induction range of circuit.
What deserves to be explained is, because magnet 102 has thickness, so being beaten completely at magnetic valve. shown in Fig. 1 in the prior art
Fluid flow has been lost when opening.Because electromagnetic diaphragm 101 is to be fitted in electromagnetism completely when magnetic valve is opened completely under normal circumstances
The inwall of body cap 103, the maximum inflow-rate of water turbine for meeting liquid, and the prior art shown in Fig. 1 is because centre installs additional
Magnet 102 so that electromagnetic diaphragm 101 can not rise to top completely, so as to have lost liquid inflow-rate of water turbine.
The design of spring, magnet 231 and movable push bar 204 in the present embodiment, completely avoid magnetic valve and opens completely
When influence to its maximum liquid inflow-rate of water turbine.
In addition, the material selection of the DC pulse formula detector for state of electromagnetic valve can be stainless steel, nylon either
Rubber, selection range is extensive, and cost is controllable, can be depending on its concrete application environment, in the protection domain of the application.
Specific operation principle is same as the previously described embodiments, no longer repeats one by one herein.
Each embodiment is described by the way of progressive in the utility model, what each embodiment stressed be and its
The difference of his embodiment, between each embodiment identical similar portion mutually referring to.For dress disclosed in embodiment
For putting, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part
Explanation.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is made any formal
Limitation.Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from technical solutions of the utility model ambit, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solutions of the utility model, or be revised as equivalent variations etc.
Imitate embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modifications, equivalents, and modifications that upper embodiment is done, still fall within the model of technical solutions of the utility model protection
In enclosing.
Claims (6)
1. a kind of DC pulse formula detector for state of electromagnetic valve, it is characterised in that be installed on the body of DC pulse formula magnetic valve
Gai Zhong；The DC pulse formula detector for state of electromagnetic valve includes：Housing, circuit board, removable magnetic means and activity push away
Bar；Wherein：
The attachment structure for installation is provided with the hull outside；
Magnetic force detection circuit is provided with the circuit board, and the circuit board is arranged at the fixed position in the housing；
The removable magnetic means is arranged between the circuit board and the movable push bar, described in the movable push bar drive
It may move diaphragm movement of the magnetic means with the DC pulse formula magnetic valve.
2. DC pulse formula detector for state of electromagnetic valve according to claim 1, it is characterised in that the attachment structure
For external screw thread screw thread.
3. DC pulse formula detector for state of electromagnetic valve according to claim 1, it is characterised in that wrapped in the housing
Include first chamber and second chamber；
The circuit board is arranged at the fixed position in the first chamber；
The removable magnetic means is arranged in the second chamber.
4. DC pulse formula detector for state of electromagnetic valve according to claim 1, it is characterised in that the removable magnetic
Power apparatus includes：Magnet and elastic force apparatus；
The circuit board, the elastic force apparatus, the magnet are disposed adjacent successively with the movable push bar.
5. DC pulse formula detector for state of electromagnetic valve according to claim 4, it is characterised in that the elastic force apparatus
For spring.
6. DC pulse formula detector for state of electromagnetic valve according to claim 1, it is characterised in that the magnetic force detection
Circuit includes Hall sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574086.8U CN206960105U (en) | 2017-05-22 | 2017-05-22 | A kind of DC pulse formula detector for state of electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720574086.8U CN206960105U (en) | 2017-05-22 | 2017-05-22 | A kind of DC pulse formula detector for state of electromagnetic valve |
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| Publication Number | Publication Date |
|---|---|
| CN206960105U true CN206960105U (en) | 2018-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720574086.8U Active CN206960105U (en) | 2017-05-22 | 2017-05-22 | A kind of DC pulse formula detector for state of electromagnetic valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN206960105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199587A1 (en) * | 2019-03-29 | 2020-10-08 | 苏州协昌环保科技股份有限公司 | Wireless self-sensing intelligent electromagnetic pulse valve |
| CN113848468A (en) * | 2021-09-22 | 2021-12-28 | 华帝股份有限公司 | Electromagnetic valve state detection method based on unit impulse function and electromagnetic valve |
-
2017
- 2017-05-22 CN CN201720574086.8U patent/CN206960105U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020199587A1 (en) * | 2019-03-29 | 2020-10-08 | 苏州协昌环保科技股份有限公司 | Wireless self-sensing intelligent electromagnetic pulse valve |
| CN113848468A (en) * | 2021-09-22 | 2021-12-28 | 华帝股份有限公司 | Electromagnetic valve state detection method based on unit impulse function and electromagnetic valve |
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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 DC pulse type electromagnetic valve status detection device Effective date of registration: 20230713 Granted publication date: 20180202 Pledgee: Industrial and Commercial Bank of China Limited Zhangjiakou Huitong Branch Pledgor: ZHANGJIAKOU SANSHENG WISDOM AGRICULTURAL TECHNOLOGY CO.,LTD. Registration number: Y2023980048475 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |