CN111584301A - Magnetic control switch capable of adjusting AT value - Google Patents
Magnetic control switch capable of adjusting AT value Download PDFInfo
- Publication number
- CN111584301A CN111584301A CN202010548863.8A CN202010548863A CN111584301A CN 111584301 A CN111584301 A CN 111584301A CN 202010548863 A CN202010548863 A CN 202010548863A CN 111584301 A CN111584301 A CN 111584301A
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- magnetic
- switch
- value
- magnetic strip
- shell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
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- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention provides a magnetic control switch capable of adjusting an AT value, which comprises a shell, a reed switch, a first welding lead and a second welding lead, wherein the reed switch is arranged in the shell, the magnetic control switch also comprises a magnetic strip, and the magnetic strip is arranged in the side wall of the shell or on the outer side surface of the shell and is used for adjusting the AT value of the reed switch. According to the invention, the magnetic strip is arranged in the shell or on the outer side surface of the shell, and the distance between the magnetic strip and the reed switch is adjusted, so that the AT value of the magnetic switch can be changed, and the AT value of the magnetic switch can reach the required accuracy.
Description
Technical Field
The invention relates to the field of magnetic control switches, in particular to a magnetic control switch capable of adjusting an AT value.
Background
A magnetic switch, also called a magnetic switch, is a line switch device controlled by a magnetic field signal, and generally includes a housing and a reed switch installed in the housing. The manufacturing process of the magnetic control switch generally comprises the steps of screening the internal reed switch and then packaging the reed switch. However, the AT value of the magnetic switch is determined during the reed switch screening, and the processing process of the magnetic switch after the reed switch screening can cause irreversible influence on the AT (Aampere Turn) value of the reed switch, so that the finished AT value of the magnetic switch cannot reach the required accuracy.
Disclosure of Invention
In order to solve the problem that the AT value of a finished product of a magnetic control switch in the prior art cannot reach the required accuracy, the invention provides a magnetic control switch capable of adjusting the AT value, and the specific technical scheme is as follows:
the magnetic control switch capable of adjusting the AT value comprises a shell, a reed switch, a first welding lead and a second welding lead, wherein the reed switch is arranged in the shell, the magnetic control switch further comprises a magnetic strip, and the magnetic strip is arranged in the side wall of the shell or on the outer side surface of the shell and used for adjusting the AT value of the reed switch.
Optionally, the magnetic strip is cuboid and is magnetized in the length direction.
Optionally, the magnetic strip is cylindrical and is magnetized in the axial direction thereof.
Optionally, the magnetic strip is cuboid and is magnetized in the width direction of the magnetic strip.
Optionally, the magnetic strip is cylindrical and is magnetized in the diameter direction thereof.
Optionally, the reed pipe and the housing are fixed by resin encapsulation.
Optionally, a groove is formed in the housing, and the magnetic strip is embedded in the groove.
Optionally, the length of the groove is greater than the length of the magnetic strip, and the magnetic strip can move back and forth in the groove.
Optionally, the first bonding wire and the second bonding wire are at least partially located outside the housing.
The beneficial effects obtained by the invention are as follows: the magnetic strip is arranged in the shell or on the outer side surface of the shell, and the distance between the magnetic strip and the reed switch is adjusted, so that the AT value of the magnetic control switch can be changed, and the AT value of the magnetic control switch can reach the required accuracy.
Drawings
The present invention will be further understood from the following description taken in conjunction with the accompanying drawings, the emphasis instead being placed upon illustrating the principles of the embodiments.
FIG. 1 is a first schematic diagram illustrating an overall structure of a magnetic switch capable of adjusting an AT value according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an overall structure of a magnetic switch capable of adjusting an AT value according to an embodiment of the present invention;
FIG. 3 is a schematic view of one configuration of a magnetic stripe in an embodiment of the present invention;
FIG. 4 is a first schematic diagram illustrating the interaction of an external magnet with a magnetic switch according to an embodiment of the present invention;
FIG. 5 is a second schematic diagram illustrating the interaction between an external magnet and a magnetic switch according to an embodiment of the present invention;
FIG. 6 is a third schematic diagram of the interaction of an external magnet and a magnetic switch according to an embodiment of the present invention;
fig. 7 is a fourth schematic diagram of the interaction between the external magnet and the magnetic switch according to the embodiment of the present invention.
Description of reference numerals:
1. a reed switch; 2. a housing; 3. a first bonding lead; 4. a second bonding wire; 5. a cavity; 6. a magnetic strip; 7. a groove; 8. an external magnet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof.
The invention relates to a magnetic control switch capable of adjusting an AT value, which explains the following embodiments according to the attached drawings:
the first embodiment is as follows:
as shown in fig. 1, 2 and 3, a magnetic switch capable of adjusting an AT value includes a housing 2, a reed switch 1, a first welding lead 3 and a second welding lead 4, where the first welding lead 3 and the second welding lead 4 are respectively connected to two ends of the reed switch 1, and the reed switch 1 is disposed in the housing 2. Specifically, a cavity 5 may be formed in the housing 2, and the reed switch 1 may be installed in the cavity 5.
The magnetic control switch further comprises a magnetic strip 6, a groove 7 is formed in the side wall of the shell 2, and the length of the groove 7 is larger than that of the magnetic strip 6. The magnetic strip 6 is nested in the groove 7 and can move back and forth in the groove 7 to adjust the AT value of the reed switch 1.
The magnetic strip 6 is placed in the groove 7, and a magnetic field generated by the magnetic strip 6 acts on the reed switch 1 inside the shell 2, so that the reed switch 1 can be in a connection or critical connection state. By moving the position of the magnetic stripe 6 in the groove 7, the AT value of the magnetic control switch can be changed, so that the AT value of the magnetic control switch can reach the required accuracy.
The external dimensions and shape of the housing 2, the shape of the cavity 5, etc. can be adjusted and set according to actual conditions, and are not described herein again.
Before the magnetic strip 6 is embedded into the groove 7, the magnetizing direction and the magnetic induction intensity of the magnetic strip 6 are selected according to the AT value of the magnetic control switch to be adjusted. The magnetic strip 6 may have various shapes such as a rectangular parallelepiped shape or a cylindrical shape. When the magnetic stripe 6 is in a rectangular parallelepiped shape, it can be magnetized in the longitudinal direction or in the width direction. When the magnetic strip 6 is in a cylindrical shape, the magnetic strip can be magnetized along the axial direction or along the diameter direction.
In addition, the installation direction of the magnetic strips 6 can be adjusted according to the type of the reed pipe 1, and the type of the reed pipe 1 generally comprises three types of normally open type, normally closed type and switching type.
In some embodiments, the reed switch 1 and the housing 2 are fixed by resin encapsulation. The reed switch 1 can be conveniently packaged and fixed by resin.
In some embodiments, the first bonding wire 3 and the second bonding wire 4 are at least partially outside the housing 2, which facilitates installation and use of the magnetic switch.
As shown in fig. 4, the reed switch is a normally open tube, and the magnetic strip 6 is magnetized along the length direction thereof. When the direction of the external magnet 8 of the magnetic control switch is consistent with that of the magnetic strip 6, and the polarities of the two ends of the external magnet 8 are the same as those of the two ends of the magnetic strip 6, the magnetic fields of the external magnet 8 and the magnetic strip 6 are superposed and act on the reed switch, the sensitivity of the magnetic control switch is increased AT the moment, and the AT value of the magnetic control switch is reduced. According to the sensitivity of the magnetic control switch to be adjusted, the distance between the magnetic strip 6 and the reed switch 1 can be properly adjusted, or the magnetic strip 6 with proper magnetic induction intensity can be selected.
As shown in fig. 5, the reed switch is a normally open switch, and the magnetic strip 6 is magnetized along the length direction thereof. When the directions of the external magnet 8 of the magnetic control switch are consistent with the directions of the magnetic strips 6, and the polarities of the two ends of the external magnet 8 are opposite to the polarities of the two ends of the magnetic strips 6, the magnetic field of the external magnet 8 and the magnetic field of the magnetic strips 6 are partially cancelled and then act on the reed switch, the sensitivity of the magnetic control switch is lowered AT the moment, and the AT value of the magnetic control switch is increased. According to the sensitivity of the magnetic control switch to be adjusted, the distance between the magnetic strip 6 and the reed switch 1 can be properly adjusted, or the magnetic strip 6 with proper magnetic induction intensity can be selected.
Fig. 4 and 5 show only one setting of the grooves 7 and the magnetic strips 6, and the shapes of the grooves 7 and the magnetic strips 6 may be different according to the different excitation directions (such as horizontal excitation, vertical excitation, horizontal excitation and rotational excitation) of the magnetic switches by the external magnet 8, and the positions of the grooves 7 and the magnetic strips 6 in the housing 2 may be adjusted accordingly.
As shown in fig. 6, the reed switch 1 is a normally open switch, and the magnetic strip 6 is magnetized along the length direction thereof. The distance between the magnetic strip 6 and the reed pipe 1 is adjusted or the magnetic strip 6 with proper magnetic induction strength is selected, so that the magnetic force of the magnetic strip 6 drives the magnetic reed inside the reed pipe 1 to be closed, at the moment, the reed pipe 1 is switched to be closed from being disconnected, and the magnetic control switch is used as a normally closed switch. When the direction of the external magnet 8 is consistent with that of the magnetic strip 6, and the polarity of the two ends of the external magnet 8 is opposite to that of the two ends of the magnetic strip 6, the magnetic field of the external magnet 8 and the magnetic field of the magnetic strip 6 are partially cancelled and then act on the reed pipe. When the external magnet 8 approaches the magnetic switch and counteracts the magnetic field of the magnetic strip 6, the reed switch 1 is switched from closed to open, and the state of the magnetic switch is changed to open.
As shown in fig. 7, the reed switch 1 is a normally closed switch, and the magnetic strip 6 is magnetized along the length direction thereof. The positive and negative directions of the magnetic strip 6 in the groove 7 can realize the increase or decrease of the AT value of the magnetic control switch. If the axial lead of the magnetic strip 6 is perpendicular to the axial lead of the reed switch, when the positive pole or the negative pole of the magnetic strip 6 is close to the contact point of the magnetic reed in the reed switch, the AT value of the magnetic control switch is reduced, and the magnetic control switch is easily driven by the external magnet 8 to be disconnected. If the axial lead of the magnetic strip 6 is parallel to the axial lead of the reed switch, namely two poles of the magnetic strip 6 respectively face two magnetic reeds of the reed switch, the AT value of the magnetic control switch is increased, and the magnetic control switch is not easy to be driven by an external magnet 8 to be disconnected.
After the resin is fully dried and the reed pipe 1 is packaged and fixed in the shell 2, the AT value of the magnetic control switch is adjusted by adjusting the position of the magnetic strip 6 in the groove 7, and then the distance of closing or opening of the magnetic reed of the reed pipe 1 required by a customer can be realized by matching with a working magnet, so that the AT value of the magnetic control switch can be adjusted as required.
Example two:
this embodiment is substantially the same as the first embodiment, except that: in this embodiment, the magnetic strip 6 is disposed on the outer side wall of the housing 2. In particular, it may be glued or inlaid on the outer side wall of the housing 2. The magnetic induction intensity of the magnetic strip 6 can be set according to the distance between the magnetic strip 6 and the reed switch, and the position of the magnetic strip can also be set according to the AT value of the magnetic control switch to be adjusted, which is not described herein again.
The magnetic strip 6 is arranged on the outer side wall of the shell 2, and a groove does not need to be formed in the shell 2, so that the position of the magnetic strip 6 can be conveniently adjusted, and the AT value of the magnetic control switch can be adjusted more conveniently.
In summary, the magnetic switch capable of adjusting the AT value disclosed by the invention has the following beneficial technical effects: the magnetic strip is arranged in the shell or on the outer side surface of the shell, and the distance between the magnetic strip and the reed switch is adjusted, so that the AT value of the magnetic control switch can be changed, and the AT value of the magnetic control switch can reach the required accuracy.
The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.
Claims (10)
1. The magnetic control switch capable of adjusting the AT value comprises a shell, a reed switch, a first welding lead and a second welding lead, wherein the reed switch is arranged in the shell.
2. The magnetic switch as claimed in claim 1, wherein the housing has a groove therein, and the magnetic strip is embedded in the groove.
3. The magnetic switch as claimed in claim 2, wherein the length of the groove is greater than the length of the magnetic strip, and the magnetic strip can move back and forth in the groove.
4. The magnetic switch as claimed in claim 1, wherein the magnetic strip has a rectangular parallelepiped shape and is magnetized in a longitudinal direction thereof.
5. The magnetic switch as claimed in claim 1, wherein the magnetic strip is cylindrical and is magnetized in the axial direction thereof.
6. The magnetic switch as claimed in claim 1, wherein the magnetic strip has a rectangular parallelepiped shape and is magnetized in a width direction thereof.
7. The magnetic switch as claimed in claim 1, wherein the magnetic strip is cylindrical and is magnetized in a diameter direction thereof.
8. The magnetic switch as claimed in any one of claims 1 to 7, wherein the reed switch is fixed to the housing by resin encapsulation.
9. The magnetically controlled switch for adjusting the AT value of claim 8, wherein the first bonding wire and the second bonding wire are AT least partially outside the housing.
10. The utility model provides a magnetic control switch of adjustable AT value, includes shell, tongue tube, first welding lead and second welding lead, the tongue tube is located among the shell, its characterized in that, magnetic control switch still includes the magnetic stripe, the magnetic stripe is located on the outside surface of shell and is used for adjusting the AT value of tongue tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548863.8A CN111584301A (en) | 2020-06-16 | 2020-06-16 | Magnetic control switch capable of adjusting AT value |
| PCT/CN2021/081292 WO2021253894A1 (en) | 2020-06-16 | 2021-03-17 | Magnetic switch having adjustable at value |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010548863.8A CN111584301A (en) | 2020-06-16 | 2020-06-16 | Magnetic control switch capable of adjusting AT value |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111584301A true CN111584301A (en) | 2020-08-25 |
Family
ID=72127439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010548863.8A Pending CN111584301A (en) | 2020-06-16 | 2020-06-16 | Magnetic control switch capable of adjusting AT value |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111584301A (en) |
| WO (1) | WO2021253894A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253894A1 (en) * | 2020-06-16 | 2021-12-23 | 佛山市川东磁电股份有限公司 | Magnetic switch having adjustable at value |
| CN114551164A (en) * | 2022-03-14 | 2022-05-27 | 郑州西亚斯学院 | Electromagnetic drive's tongue tube relay |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254742A (en) * | 2010-05-21 | 2011-11-23 | 上海华银电器有限公司 | Position sensing switch |
| CN102832077A (en) * | 2011-06-13 | 2012-12-19 | 昕浪（上海）电子有限公司 | High-precision elevator leveling switch |
| JP6334228B2 (en) * | 2014-03-31 | 2018-05-30 | Ａｉ Ｔｅｃｈｎｏｌｏｇｙ株式会社 | Magnetic detector |
| CN212084909U (en) * | 2020-06-16 | 2020-12-04 | 佛山市川东磁电股份有限公司 | Magnetic control switch capable of adjusting AT value |
| CN111584301A (en) * | 2020-06-16 | 2020-08-25 | 佛山市川东磁电股份有限公司 | Magnetic control switch capable of adjusting AT value |
-
2020
- 2020-06-16 CN CN202010548863.8A patent/CN111584301A/en active Pending
-
2021
- 2021-03-17 WO PCT/CN2021/081292 patent/WO2021253894A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021253894A1 (en) * | 2020-06-16 | 2021-12-23 | 佛山市川东磁电股份有限公司 | Magnetic switch having adjustable at value |
| CN114551164A (en) * | 2022-03-14 | 2022-05-27 | 郑州西亚斯学院 | Electromagnetic drive's tongue tube relay |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021253894A1 (en) | 2021-12-23 |
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