CN209216896U - A kind of magnetic latching relay of anti-stationary magnetic field - Google Patents
A kind of magnetic latching relay of anti-stationary magnetic field Download PDFInfo
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- CN209216896U CN209216896U CN201822151539.3U CN201822151539U CN209216896U CN 209216896 U CN209216896 U CN 209216896U CN 201822151539 U CN201822151539 U CN 201822151539U CN 209216896 U CN209216896 U CN 209216896U
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Abstract
The utility model relates to magnetic latching relay technical fields, it discloses a kind of magnetic latching relays of anti-stationary magnetic field, magnetic screen shell including plastic shell, housing on the plastic shell of the magnetic latching relay, the magnetic screen shell includes the upper barricade being covered on the plastic shell in plane, the lower barricade being covered on the plastic shell lower plane, the left barricade being covered in the plastic shell left plane, and the upper barricade, left barricade, lower barricade are sequentially connected integrally；The right end of the upper barricade is equipped with the crotch for hooking the right plane of the plastic shell, the front end of the left barricade is equipped with for the preceding baffle against the plastic shell frontal plane, and the rear end of the left barricade is equipped with for the rear baffle against plane after the plastic shell.The utility model improves the convenience of assembly while improving the effect of magnetic screen.
Description
Technical field
The utility model relates to magnetic latching relay technical fields, and in particular to a kind of magnetic holding relay of anti-stationary magnetic field
Device.
Background technique
Magnetic latching relay is a kind of bistable relay for keeping contact that state is opened or closed by itself permanent magnetic,
The magnetic path being made of iron-core coil, yoke, permanent magnet etc. is contained inside it, by the electric current side for controlling iron-core coil
To the conversion for making the generation pole polarity on yoke, and the disconnection of contact is realized by the magnetic action power of permanent magnet or is closed
It closes.Current divider and the connector for connecting voltage input signal line are also connected on the shell of typical magnetic latching relay.
But common integral type magnetic latching relay in the prior art, internal magnetic circuit system are usually the knot of open type
Structure, external shell are plastic construction, and the magnetic latching relay of this structure does not have antimagnetic function.When magnetic latching relay is answered
When for existing in (such as in the intelligent electric meter in power industry) interference environment of extraneous high-intensity magnetic field, inside magnetic latching relay
Magnetic circuit system be easy interference by extraneous alternating magnetic field, and then the contacts status of relay may be made to change, thus
The failure for causing relay misoperation to make or be failure to actuate occurs.
In order to reduce the interference of extraneous high-intensity magnetic field, need to consider that metal screen is arranged on the plastic shell of magnetic latching relay
Cover cover.But relay metallic shield in the prior art is frequently with the shielding case of double-piece split package assembly, or use
The housing of integral type simultaneously opens up several card slots or card hole on housing and is connected on the plastic shell of relay, above-mentioned shielding
Cover has the following problems in use:
First is that it is relative complex using the shielding case structure of double-piece split package assembly, on the one hand increase cost, another party
Face is unfavorable for quickly and easily being assembled.
Second is that using the housing of integral type, in order to realize housing it is fixed need on housing a position open up card slot or
Card hole, but card slot or card hole have leakage field, are unfavorable for the shielding of magnetic force.
Utility model content
To solve the above-mentioned problems, the utility model proposes a kind of magnetic latching relays of anti-stationary magnetic field, it is intended to improve
The convenience of assembly, the effect for improving magnetic screen simultaneously, specific technical solution are as follows:
A kind of magnetic latching relay of anti-stationary magnetic field, including plastic shell, housing the magnetic latching relay modeling
Expect shell on magnetic screen shell, the magnetic screen shell include the upper barricade being covered on the plastic shell in plane,
The lower barricade being covered on the plastic shell lower plane, the left barricade being covered in the plastic shell left plane, and
The upper barricade, left barricade, lower barricade are sequentially connected integrally；The right end of the upper barricade is equipped with for hooking
The crotch of the right plane of plastic shell is stated, the front end of the left barricade is equipped with for the front against the plastic shell frontal plane
The rear end of piece, the left barricade is equipped with for the rear baffle against plane after the plastic shell.
When assembly, using the elasticity of magnetic screen shell, so that the open end that upper barricade and lower barricade are formed is opened, modeling
Material shell is inserted into the space formed by upper barricade and lower barricade, its crotch can hook or against modeling after being inserted in place
Expect the right plane of shell and is positioned.
In above-mentioned technical proposal, using the magnetic screen shell of integral structure, pass through the upper shielding in magnetic screen shell
Plate, left barricade, lower barricade form main shield, on the one hand realize magnetic screen shell by the setting of preceding baffle, rear baffle
In positioning action in the front-back direction, on the other hand the setting of preceding baffle, rear baffle yet forms auxiliary shield effect, to improve
The effect of magnetic screen.
In order to realize optimal Magnetic Shielding Effectiveness, a kind of its institute of the magnetic latching relay of anti-stationary magnetic field of the utility model
It states and cored, left barricade one of the iron core close to the magnetic screen shell is set in the plastic shell of magnetic latching relay
Side.
By the way that iron core to be positioned close to the left barricade side of magnetic screen shell, magnetic screen is improved to greatest extent
Effect.
As a preferred embodiment of the present invention, the upper plane of the plastic shell is offered in left-right direction described in convenience
The guide channel of magnetic screen shell assembly, when assembly, the plastic shell was inserted into the upper shielding of the magnetic screen shell from right to left
In the space that plate, lower barricade are formed, and the crotch of the magnetic screen shell passes through out of described guide channel and finally hooks institute
State the right plane of plastic shell.
It is furthermore preferred that the guide channel is equipped in the boundary edge position of upper plane and right plane close to the plastic shell
From guide channel to the intermediate incline of boundary edge position.
The upper plane guidance slot of above-mentioned plastic shell and the setting of intermediate incline, can to state magnetic screen shell and plastics
Assembly between shell is more convenient, to further improve the efficiency of assembly.
Preferably, the preceding baffle is located at the upper position of the plastic shell frontal plane.
Preferably, the rear baffle is located at the upper position of plane after the plastic shell.
In the utility model, the magnetic screen shell is the magnetic screen shell made by permeability magnetic material.
Preferably, the magnetic screen shell is to pass through the magnetic screen shell that pressing and bending is formed by magnetic conduction plate.
It is above-mentioned to use its advantage of lower cost of magnetic screen shell 2 made of pressing and bending.
The beneficial effects of the utility model are:
First, the magnetic latching relay of a kind of anti-stationary magnetic field of the utility model, using the magnetic cup of integral structure
Shell is covered, main shield is formed by upper barricade, left barricade, the lower barricade in magnetic screen shell, passes through preceding baffle, rear gear
On the one hand the setting of piece realizes magnetic screen shell in positioning action in the front-back direction, on the other hand preceding baffle, rear baffle are set
It sets and yet forms auxiliary shield effect, to improve the effect of magnetic screen.
Second, the magnetic latching relay of a kind of anti-stationary magnetic field of the utility model, by the way that iron core is positioned close to magnetic
The left barricade side for shielding shell, improves the effect of magnetic screen to greatest extent.
Third, a kind of magnetic latching relay of anti-stationary magnetic field of the utility model, the upper plane guidance slot of plastic shell
And the setting of intermediate incline, the assembly stated between magnetic screen shell and plastic shell can be made more convenient, thus into
One step improves the efficiency of assembly.
Detailed description of the invention
Fig. 1 is the structural representation of magnetic screen shell in a kind of magnetic latching relay of anti-stationary magnetic field of the utility model
Figure；
Fig. 2 is the structural schematic diagram of the plastic shell of magnetic latching relay；
Fig. 3 is a kind of structural schematic diagram of the magnetic latching relay of anti-stationary magnetic field of the utility model；
Fig. 4 is the structural schematic diagram for indicating the magnetic latching relay inner-core position in Fig. 3.
In figure: 1, plastic shell, 2, magnetic screen shell, 3, upper barricade, 4, lower barricade, 5, left barricade, 6, crotch,
7, preceding baffle, 8, rear baffle, 9, iron core, 10, guide channel, 11, intermediate incline.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is further described.Implement below
Example is only used for clearly illustrating the technical solution of the utility model, and cannot be used as a limitation the protection model of limitation the utility model
It encloses.
It is as shown in Figures 1 to 4 a kind of embodiment of the magnetic latching relay of anti-stationary magnetic field of the utility model, including modeling
Expect that the magnetic screen shell 2 of shell 1, housing on the plastic shell 1 of the magnetic latching relay, the magnetic screen shell 2 include
The lower barricade for being covered on the upper barricade 3 on the plastic shell 1 in plane, being covered on 1 lower plane of plastic shell
4, the left barricade 5 being covered in 1 left plane of plastic shell, and the upper barricade 3, left barricade 4, lower barricade 5
It is sequentially connected integral；The right end of the upper barricade 3 is equipped with the crotch 6 for hooking the right plane of the plastic shell 1, described
The front end of left barricade 5 is equipped with for the preceding baffle 7 against 1 frontal plane of plastic shell, and the rear end of the left barricade 5 is set
Have for the rear baffle 8 against plane after the plastic shell 1.
When assembly, using the elasticity of magnetic screen shell 2, so that the open end that upper barricade 3 and lower barricade 4 are formed
It opens, plastic shell 1 is inserted into the space formed by upper barricade 3 with lower barricade 4, its crotch can hook after being inserted in place
Or it is positioned against the right plane of plastic shell 1.
In above-mentioned technical proposal, using the magnetic screen shell 2 of integral structure, pass through the upper screen in magnetic screen shell 2
Shield plate 3, left barricade 5, lower barricade 4 form main shield, on the one hand realize magnetic cup by the setting of preceding baffle 7, rear baffle 8
Shell 2 is covered in positioning action in the front-back direction, and the setting of another aspect preceding baffle 7, rear baffle 8 yet forms auxiliary shield work
With to improve the effect of magnetic screen.
In order to realize optimal Magnetic Shielding Effectiveness, the magnetic latching relay of anti-stationary magnetic field of the present embodiment a kind of is described in it
Setting cored 9, left barricade 5 of the iron core 9 close to the magnetic screen shell 2 in the plastic shell 1 of magnetic latching relay
Side.
By the way that iron core 9 to be positioned close to 5 side of left barricade of magnetic screen shell 2, magnetic cup is improved to greatest extent
The effect covered.
As the preferred embodiment of the present embodiment, the upper plane of the plastic shell 1 is offered in left-right direction described in convenience
The guide channel 10 that magnetic screen shell 2 assembles, when assembly, the plastic shell 1 was inserted into the upper of the magnetic screen shell 2 from right to left
In the space that barricade 3, lower barricade 4 are formed, and the crotch 6 of the magnetic screen shell 2 passes through simultaneously out of described guide channel 10
Finally hook the right plane of the plastic shell 1.
It is furthermore preferred that the guide channel 10 is in the boundary edge position of upper plane and right plane close to the plastic shell 1
Equipped with from guide channel 10 to the intermediate incline 11 of boundary edge position.
The upper plane guidance slot 10 of above-mentioned plastic shell 1 and the setting of intermediate incline 11, can to state magnetic screen shell 2
Assembly between plastic shell 1 is more convenient, to further improve the efficiency of assembly.
Preferably, the preceding baffle 7 is located at the upper position of 1 frontal plane of plastic shell.
Preferably, the rear baffle 8 is located at the upper position of plane after the plastic shell 1.
In the present embodiment, the magnetic screen shell 2 is the magnetic screen shell made by permeability magnetic material.
Preferably, the magnetic screen shell 2 is to pass through the magnetic screen shell that pressing and bending is formed by magnetic conduction plate.
It is above-mentioned to use its advantage of lower cost of magnetic screen shell 2 made of pressing and bending.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change
It also should be regarded as the protection scope of the utility model into retouching.
Claims (8)
1. a kind of magnetic latching relay of anti-stationary magnetic field, which is characterized in that including plastic shell, housing the magnetic keep after
Magnetic screen shell on the plastic shell of electric appliance, the magnetic screen shell include be covered on it is upper in plane on the plastic shell
Barricade, the lower barricade being covered on the plastic shell lower plane, the left screen being covered in the plastic shell left plane
Shield plate, and the upper barricade, left barricade, lower barricade are sequentially connected integrally；The right end of the upper barricade, which is equipped with, to be used
In the crotch for hooking the right plane of the plastic shell, the front end of the left barricade is equipped with for putting down against before the plastic shell
The rear end of the preceding baffle in face, the left barricade is equipped with for the rear baffle against plane after the plastic shell.
2. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 1, which is characterized in that the magnetic keep after
Setting is cored in the plastic shell of electric appliance, and the iron core is close to the left barricade side of the magnetic screen shell.
3. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 1, which is characterized in that the plastic shell
Upper plane offer the guide channel for facilitating magnetic screen shell assembly in left-right direction, when assembly, the plastic shell was from the right side
In the space formed to upper barricade, the lower barricade of the left insertion magnetic screen shell, and the crotch of the magnetic screen shell
Pass through and finally hook the right plane of the plastic shell out of described guide channel.
4. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 3, which is characterized in that the guide channel exists
It is equipped with close to the upper plane of the plastic shell and the boundary edge position of right plane from guide channel to the mistake of boundary edge position
Cross inclined-plane.
5. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 1, which is characterized in that the preceding baffle position
In the upper position of the plastic shell frontal plane.
6. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 1, which is characterized in that baffle position after described
The upper position of plane after the plastic shell.
7. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 1, which is characterized in that outside the magnetic screen
Shell is the magnetic screen shell made by permeability magnetic material.
8. a kind of magnetic latching relay of anti-stationary magnetic field according to claim 1, which is characterized in that outside the magnetic screen
Shell is to pass through the magnetic screen shell that pressing and bending is formed by magnetic conduction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151539.3U CN209216896U (en) | 2018-12-21 | 2018-12-21 | A kind of magnetic latching relay of anti-stationary magnetic field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151539.3U CN209216896U (en) | 2018-12-21 | 2018-12-21 | A kind of magnetic latching relay of anti-stationary magnetic field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209216896U true CN209216896U (en) | 2019-08-06 |
Family
ID=67465433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822151539.3U Active CN209216896U (en) | 2018-12-21 | 2018-12-21 | A kind of magnetic latching relay of anti-stationary magnetic field |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209216896U (en) |
-
2018
- 2018-12-21 CN CN201822151539.3U patent/CN209216896U/en active Active
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