CN210835088U - Magnetic field detection device for electromagnetic valve - Google Patents
Magnetic field detection device for electromagnetic valve Download PDFInfo
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- CN210835088U CN210835088U CN201921220577.8U CN201921220577U CN210835088U CN 210835088 U CN210835088 U CN 210835088U CN 201921220577 U CN201921220577 U CN 201921220577U CN 210835088 U CN210835088 U CN 210835088U
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- field detection
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Abstract
The utility model discloses a magnetic field detection device for solenoid valve, include the shell and locate wherein the steel sheet that switches on, switch on the steel sheet pass through the spring with the shell links to each other, switch on the steel sheet with be equipped with between the shell and be used for as during the spring compression with switch on the steel sheet intercommunication and constitute the contact piece in closed circuit, still be connected with LED light-emitting component and power in the closed circuit. The magnetic field detection device for the electromagnetic valve is simple in structure and convenient to use, and the electrified state of the electromagnetic valve can be visually judged through the magnetic induction characteristic without contact; when the electromagnetic valve coil is electrified, a magnetic field is generated, the contact piece is in contact with the conducting steel sheet under the magnetic attraction to communicate the loop, the LED light-emitting element emits light to indicate the existence of the magnetic field, and the electromagnetic valve is proved to be electrified.
Description
Technical Field
The utility model relates to a magnetic field detects technical field, in particular to a magnetic field detection device for solenoid valve.
Background
The electromagnetic valve is widely used as a field control mechanism in the existing power industry, a closed cavity is arranged in the electromagnetic valve, through holes are formed in different positions, each hole is connected with different oil pipes, a piston is arranged in the middle of the cavity, two electromagnets are arranged on two sides of the cavity, the magnet coil electrifying valve body on which side can be attracted to which side, and different oil discharge holes are opened or closed through the movement of the control valve body.
Because of the closed structure of the solenoid valve, a practitioner cannot intuitively know the working state inside the solenoid valve from the external structure of the solenoid valve, and there is difficulty in monitoring the magnetic field state of the solenoid valve. Particularly, in the electromagnetic valves with wide models, the coil joints of some electromagnetic valves are not provided with the electrified state indicator lamp, so that the electrified state of the electromagnetic valve cannot be judged quickly when the unit operates normally, and therefore fault diagnosis cannot be carried out.
Therefore, how to provide a magnetic field detection device for a solenoid valve, which is easy to monitor the electrification state of the solenoid valve, is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a magnetic field detection device for an electromagnetic valve, which has simple structure and convenient use, and can visually judge the electrified state of the electromagnetic valve through the magnetic induction characteristic without contact; when the electromagnetic valve coil is electrified, a magnetic field is generated, the contact piece is in contact with the conducting steel sheet under the magnetic attraction to communicate the loop, the LED light-emitting element emits light to indicate the existence of the magnetic field, and the electromagnetic valve is proved to be electrified.
In order to achieve the above object, the utility model provides a magnetic field detection device for solenoid valve, include the shell and locate switch on the steel sheet in the shell, switch on the steel sheet pass through the spring with the shell links to each other, switch on the steel sheet with be equipped with between the shell and work as when switching on the steel sheet and receive magnetic field attraction the spring compression with the realization with switch on the steel sheet intercommunication and constitute the contact piece of closed circuit, still be connected with LED light emitting component and power in the closed circuit.
Preferably, a loop switch is further connected in the closed loop.
Preferably, the closed loop is arranged in the housing, and the loop switch and the LED light-emitting element are exposed from the housing.
Preferably, the power source is a battery.
Preferably, the material of the contact piece is steel.
Preferably, the vertical two sides of the conducting steel sheet are connected with the shell through the springs, the contact pieces are arranged on the vertical two sides of the conducting steel sheet, and the contact pieces are connected to form a U-shaped steel sheet with an opening facing the conducting steel sheet.
Preferably, the conducting steel sheet is a planar steel sheet or a linear steel sheet located in the U-shaped steel sheet.
Preferably, the inner wall of the housing is provided with a sleeve for installing and fixing the spring.
Preferably, the sleeve is made of an insulating material.
Preferably, the sleeve is a plastic sleeve.
Compared with the prior art, the utility model provides a magnetic field detection device for solenoid valve includes the shell and locates the conduction steel sheet in the shell, the conduction steel sheet passes through the spring and links to each other with the shell, be equipped with the contact piece between conduction steel sheet and the shell, when the conduction steel sheet receives magnetic field attraction, the spring compression, conduction steel sheet and contact piece intercommunication constitute closed circuit, still be connected with LED light emitting component and power in the closed circuit, the simple structure of this magnetic field detection device for solenoid valve, high durability and convenient use, in the testing process, put near the coil of the solenoid valve that awaits measuring with the device, because the coil circular telegram of solenoid valve produces magnetic field, the conduction steel sheet in the magnetic field receives magnetic attraction, contact with the contact piece under the effect of the connection relation of spring and attraction, constitute closed circuit, LED light emitting component in the closed circuit is luminous under the power supply condition of power, indicating that a magnetic field exists nearby, and proving that the electromagnetic valve is electrified; if the coil of the electromagnetic valve is powered off, the conducting steel sheet is not attracted by magnetism any more, the conducting steel sheet resets and is separated from the contact piece under the connection relation of the spring, the closed loop is disconnected, the LED light-emitting element extinguishes, the magnetic field nearby is indicated to disappear, and the power-off of the electromagnetic valve is proved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a magnetic field detection device for an electromagnetic valve according to an embodiment of the present invention.
Wherein:
1-loop switch, 2-shell, 3-sleeve, 4-contact piece, 5-conducting steel piece, 6-spring, 7-LED light-emitting element and 8-battery.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, in which fig. 1 is a magnetic field detection device for an electromagnetic valve according to an embodiment of the present invention.
In a specific implementation mode, the utility model provides a magnetic field detection device for solenoid valve includes shell 2 and locates the steel sheet 5 that switches on in the shell 2, the side that switches on steel sheet 5 is connected through spring 6 with the inner wall of shell 2, can be close to or keep away from the motion along with the shrink of spring 6 or the relative inner wall of extension shell 2 when switching on that steel sheet 5 is fixed for shell 2, be equipped with contact piece 4 between shell 2 and the 5 sides of steel sheet that switches on, when switching on that steel sheet 5 leads to spring 6 shrink and further constitutes the closed circuit with contact piece 4 contact intercommunication because of magnetic field attraction, LED light emitting element 7 in the closed circuit is luminous under the power supply condition of power.
Before the conducting steel sheet 5 contacts with the contact sheet 4, the closed loop is in an open state, only one end of the LED light-emitting element 7 in the loop is in a connected state with a power supply, and the other end of the LED light-emitting element is in an open state with the power supply; after the conducting steel sheet 5 is contacted with the contact sheet 4, both ends of the LED light-emitting element 7 are communicated with a power supply in a loop, and the LED light-emitting element 7 emits light.
Illustratively, one horizontal end of the conducting steel sheet 5 is sequentially connected with a power supply and an LED light-emitting element 7 through a lead, and the LED light-emitting element 7 is connected with the contact piece 4 to form a loop in a disconnected state. When the conducting steel sheet 5 is not under the action of magnetic attraction, the conducting steel sheet 5 is not in contact with the contact piece 4, and the loop is disconnected at the disconnection position of the conducting steel sheet 5 and the contact piece 4; when the conducting steel sheet 5 is under the action of magnetic attraction, the spring 6 is compressed to enable the conducting steel sheet 5 to be in contact conduction with the contact piece 4, the loop is communicated at the contact position of the conducting steel sheet 5 and the contact piece 4, the loop is a closed loop, and the LED light-emitting element 7 in the closed loop emits light under the power supply condition of a power supply.
In the detection process, a magnetic field detection device for the electromagnetic valve is placed near a coil of the electromagnetic valve to be detected, the coil of the electromagnetic valve generates a magnetic field after being electrified, the conducting steel sheet 5 in the magnetic field is subjected to magnetic attraction, the spring 6 is compressed under the action of the connection relation and the attraction of the spring 6, the conducting steel sheet 5 is contacted with the contact piece 4, the LED light-emitting element 7 in the closed loop emits light under the power supply condition of a power supply, the magnetic field exists near the indication, and the electromagnetic valve is proved to be electrified; if the coil of the electromagnetic valve is powered off, the conducting steel sheet 5 is not attracted by magnetism any more, under the connection relation of the spring 6, the spring 6 extends and resets to the normal length before compression, the conducting steel sheet 5 resets to the initial position and is separated from the contact piece 4, the LED light-emitting element 7 is extinguished, the magnetic field nearby is indicated to disappear, and the power-off of the electromagnetic valve is proved.
In this embodiment, this a magnetic field detection device for solenoid valve can judge the solenoid valve electrified state directly perceived through the magnetic induction characteristic, and the whole process of detection is non-contact operation, can effectively reduce practitioner's electric shock risk. Meanwhile, the indication mode of the light emitting of the LED light emitting element 7 is displayed visually, a practitioner can obtain the detection result of the magnetic field visually from the light emitting state or not, and the LED light emitting device is convenient to use and easy to operate.
In order to achieve better technical effects, the closed loop is also connected with the loop switch 1, and the opening and closing of the loop switch 1 are manually controlled, so that the device can be kept in a closed state when not in use, the waste of the electric quantity of a power supply in the closed loop is reduced, and meanwhile, the safety of the device is further improved.
Illustratively, the closed circuit is disposed in the housing 2, and the closed circuit is protected by the housing 2. However, in order to facilitate the operation of the circuit switch 1 and the observation of the LED light emitting element 7, the circuit switch 1 and the LED light emitting element 7 are exposed from the housing 2, and a practitioner can directly operate the circuit switch 1 outside the housing 2 or can directly observe the LED light emitting element 7 outside the housing 2.
In this embodiment, the power source is a battery 8. It should be noted that, in order to improve the portability of the magnetic field detection apparatus for an electromagnetic valve, a power supply is configured to be, for example, a lithium battery or a common battery, and is installed in the housing 2 to supply power to the LED light emitting element 7, but this is not to say that the power supply in this embodiment can only adopt such a configuration, and a connection port and an external power supply can also be adopted to supply power to the LED light emitting element 7, and the magnetic field detection apparatus for an electromagnetic valve should also belong to the description scope of this embodiment.
For better technical effect, the conducting steel sheet 5 and the contact piece 4 are made of steel, and the conducting steel sheet 5 made of steel is attracted in a magnetic field and is in contact communication with the contact piece 4 made of steel under the connection condition of the spring 6; when no magnetic field is applied, the conducting steel sheet 5 and the contact sheet 4 have no magnetic attraction, and the LED light-emitting element 7 cannot emit light and report false due to mistaken mutual attraction.
In another specific embodiment, both vertical sides of the conducting steel sheet 5 are connected with the housing 2 through the springs 6, and both vertical sides of the conducting steel sheet 5 are provided with the contact pieces 4, that is, the conducting steel sheet 5 can be in contact communication with the contact pieces 4 on the corresponding side under the action of attraction force in any side direction. The contact pieces 4 on the two vertical sides are connected with each other to form a U-shaped steel sheet with an opening facing the conducting steel sheet 5.
In this embodiment, the conducting steel sheet 5 is located in the U-shaped steel sheet, and the conducting steel sheet 5 is a planar steel sheet or a linear steel sheet, and when there is no attraction of the magnetic field, the planar steel sheet or the linear steel sheet is fixed to the housing 2 under the connection relationship of the two springs 6 on the two side surfaces.
The front surface and the back surface of the magnetic field detection device for the electromagnetic valve can detect the magnetic field of the electromagnetic valve. For example, if the conducting steel sheet 5 moves toward the contact piece 4 on one side under the attraction of the magnetic field, the spring 6 on the side contracts, the spring 6 on the opposite side stretches, and the conducting steel sheet 5 and the contact piece 4 are kept in contact conduction under the action of the attraction force, and similarly, if the direction of the movement of the conducting steel sheet 5 is opposite, the contraction and the stretching of the spring 6 are opposite, and the description is omitted here.
In addition, the inner wall of the housing 2 is provided with a sleeve 3 for mounting the fixing spring 6.
Illustratively, the sleeve 3 is made of an insulating material, and the U-shaped steel sheet may be directly and fixedly connected with the housing 2 in the housing 2, or may be fixedly connected with the sleeve 3. The sleeve 3 is a plastic sleeve, and the shell 2 is a plastic shell.
It is right above that the utility model provides a magnetic field detection device for solenoid valve introduces in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a magnetic field detection device for solenoid valve, its characterized in that includes shell (2) and locates switch on steel sheet (5) in shell (2), switch on steel sheet (5) through spring (6) with shell (2) link to each other, switch on steel sheet (5) with be equipped with between shell (2) and work as when switch on steel sheet (5) receive magnetic field attraction spring (6) compression in order to realize with switch on steel sheet (5) intercommunication and constitute contact piece (4) of closed circuit, still be connected with LED light emitting component (7) and power in the closed circuit.
2. The magnetic field detection device for solenoid valves according to claim 1, characterized in that a circuit switch (1) is also connected in the closed circuit.
3. The magnetic field detection device for solenoid valves according to claim 2, characterized in that the closed circuit is provided in the housing (2), the circuit switch (1) and the LED lighting element (7) being exposed by the housing (2).
4. The magnetic field detection device for solenoid valves according to claim 1, characterized in that said power source is a battery (8).
5. The magnetic field detection device for electromagnetic valves according to claim 1, characterized in that the material of the contact piece (4) is steel.
6. The magnetic field detection device for the electromagnetic valve according to claim 5, characterized in that both vertical sides of the conducting steel sheet (5) are connected with the housing (2) through the spring (6), the contact pieces (4) are arranged on both vertical sides of the conducting steel sheet (5), and the contact pieces (4) are connected to form a U-shaped steel sheet with an opening facing the conducting steel sheet (5).
7. The magnetic field sensing device for a solenoid valve according to claim 6, characterized in that the conducting steel sheet (5) is a planar steel sheet or a linear steel sheet located in the U-shaped steel sheet.
8. The magnetic field detection device for electromagnetic valves according to any of claims 1 to 7, characterized in that the inner wall of the housing (2) is provided with a sleeve (3) for mounting and fixing the spring (6).
9. The magnetic field detection device for solenoid valves according to claim 8, characterized in that the material of said sleeve (3) is an insulating material.
10. The magnetic field detection device for solenoid valves according to claim 9, characterized in that said sleeve (3) is a plastic sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220577.8U CN210835088U (en) | 2019-07-29 | 2019-07-29 | Magnetic field detection device for electromagnetic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921220577.8U CN210835088U (en) | 2019-07-29 | 2019-07-29 | Magnetic field detection device for electromagnetic valve |
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| Publication Number | Publication Date |
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| CN210835088U true CN210835088U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921220577.8U Active CN210835088U (en) | 2019-07-29 | 2019-07-29 | Magnetic field detection device for electromagnetic valve |
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| CN (1) | CN210835088U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261710A (en) * | 2019-07-29 | 2019-09-20 | 阜阳华润电力有限公司 | A kind of detector for magnetic field for solenoid valve |
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2019
- 2019-07-29 CN CN201921220577.8U patent/CN210835088U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261710A (en) * | 2019-07-29 | 2019-09-20 | 阜阳华润电力有限公司 | A kind of detector for magnetic field for solenoid valve |
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