CN109872922B - DC contactor with auxiliary switch - Google Patents
DC contactor with auxiliary switch Download PDFInfo
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- CN109872922B CN109872922B CN201910261158.7A CN201910261158A CN109872922B CN 109872922 B CN109872922 B CN 109872922B CN 201910261158 A CN201910261158 A CN 201910261158A CN 109872922 B CN109872922 B CN 109872922B
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- iron core
- auxiliary switch
- magnetic conduction
- reed
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Abstract
The invention provides a direct current contactor with an auxiliary switch, which is characterized in that: the magnetic conduction plate is provided with a static iron core, an iron core sleeve and a U-shaped yoke, a movable contact spring is arranged above the magnetic conduction plate, a static contact is arranged above the movable contact spring, and an auxiliary switch is arranged below the magnetic conduction plate. Compared with the prior art, the direct current contactor with the auxiliary switch provided by the invention has a reasonable structure, and the following functions are added: the iron core sleeve is processed into a through hole structure and is firmly brazed with the ceramic body, meanwhile, the guide pin is brazed with the ceramic body, the reed and the plastic support are integrally molded by injection, the plastic support is arranged in the ceramic body, and the microswitch is clamped in the plastic support. One end of the reed is firmly contacted with the pin of the microswitch, and the other end of the reed is firmly contacted with the guide pin. The push rod of the contactor moves downwards to press the spring leaf of the micro switch, the micro switch is closed, and a closing signal of the micro switch is transmitted to the needle guiding part from the pin part and is fed back by a lead connected with the needle guiding part.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of contactor manufacturing, in particular to a direct current contactor with an auxiliary switch.
[ background of the invention ]
At present, the structure that DC contactor does not take auxiliary contact is that quiet iron core and magnetic conduction board are fixed together, and the push rod is firm with quiet iron core welding, and return spring arranges in between the sound iron core, and the iron core sleeve is in the same place with the magnetic conduction board welding, and magnetic conduction board and U type yoke are in close contact with. The U-shaped yoke, the movable iron core, the static iron core and the magnetic conduction plate form a magnetic conduction loop, the movable iron core drives the push rod to move upwards under the action of magnetic force to play a role in guiding, the coil provides the magnetic force for the upward movement of the movable iron core, the push rod drives the movable contact piece to move upwards, the movable contact and the static contact are closed, and the switching function is achieved.
The structure is not provided with an auxiliary switch, so that the closing condition of the switch is not intuitively fed back, and the traditional contactor with the square ceramic structure is not provided with a product for designing the auxiliary switch due to the limitation of the internal space.
[ summary of the invention ]
The invention aims to overcome the defects of the prior art and provide a direct current contactor with an auxiliary switch, which aims to solve the problems that the direct current contactor in the prior art is short of the auxiliary switch due to insufficient space and the like.
In order to achieve the purpose, the invention provides a direct current contactor with an auxiliary switch, which is characterized in that: the magnetic conduction device comprises a movable iron core, a static iron core, an iron core sleeve, a magnetic conduction plate, a U-shaped yoke, a movable contact, a static contact and an auxiliary switch, wherein the static iron core, the iron core sleeve and the U-shaped yoke are arranged on the magnetic conduction plate, the static iron core is positioned above the iron core sleeve, the movable iron core is arranged in the iron core sleeve, the U-shaped yoke, the movable iron core, the static iron core and the magnetic conduction plate form a magnetic conduction loop, the movable contact is arranged above the magnetic conduction plate, the static contact is arranged above the movable contact, and the auxiliary switch is arranged below the magnetic conduction plate. The auxiliary switch comprises a ceramic body, a plastic support, a microswitch, a reed and a guide pin, the lower end of the iron core sleeve is in fiber welding connection with the ceramic body, the guide pin is arranged at the lower end of the ceramic body, the plastic support and the reed are arranged on the ceramic body, the microswitch is arranged on the plastic support, one end of the reed is in contact with a pin of the microswitch, the other end of the reed is in contact with the guide pin, and the plastic support and the reed are molded into an integral structure.
Preferably, a push rod is arranged on the movable iron core, the push rod and the movable iron core are firmly welded, a movable contact spring is arranged above the top end of the push rod, and a microswitch is arranged below the bottom end of the push rod.
Preferably, a return spring is provided between the movable iron core and the stationary iron core.
Preferably, a coil framework is arranged on one side of the U-shaped yoke, and a coil is arranged in the coil framework.
Preferably, the core sleeve has a structure with a through hole in the center.
The invention has the beneficial effects that: compared with the prior art, the direct current contactor with the auxiliary switch provided by the invention has a reasonable structure, and the following functions are added: the iron core sleeve is processed into a through hole structure and is firmly brazed with the ceramic body, meanwhile, the guide pin is brazed with the ceramic body, the reed and the plastic support are integrally molded by injection, the plastic support is arranged in the ceramic body, and the microswitch is clamped in the plastic support. One end of the reed is firmly contacted with the pin of the microswitch, and the other end of the reed is firmly contacted with the guide pin. The push rod of the contactor moves downwards to press the spring leaf of the micro switch, the micro switch is closed, and a closing signal of the micro switch is transmitted to the needle guiding part from the pin part and is fed back by a lead connected with the needle guiding part.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a dc contactor with an auxiliary switch according to an embodiment of the present invention;
FIG. 2 is a position view of the core sleeve, ceramic body and guide pin of an embodiment of the present invention;
fig. 3 is a position view of a reed, plastic bracket, and microswitch of an embodiment of the invention.
In the figure: 1-movable iron core, 2-static iron core, 3-iron core sleeve, 4-push rod, 5-magnetic conduction plate, 6-U-shaped yoke, 7-coil frame, 8-movable contact, 9-static contact, 10-return spring, 11-ceramic body, 12-plastic support, 13-microswitch, 14-reed, 15-guide pin and 16-auxiliary switch.
[ detailed description ] embodiments
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 the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a dc contactor with an auxiliary switch, which is characterized in that: the magnetic conductive iron core comprises a movable iron core 1, a static iron core 2, an iron core sleeve 3, a magnetic conductive plate 5, a U-shaped yoke 6, a movable contact piece 8, a static contact 9 and an auxiliary switch 16, wherein the static iron core 2, the iron core sleeve 3 and the U-shaped yoke 6 are arranged on the magnetic conductive plate 5, the static iron core 2 is located above the iron core sleeve 3, the movable iron core 1 is arranged in the iron core sleeve 3, the U-shaped yoke 6, the movable iron core 1, the static iron core 2 and the magnetic conductive plate 5 form a magnetic conductive loop, the movable contact piece 8 is arranged above the magnetic conductive plate 5, the static contact piece 9 is arranged above the movable contact piece 8, and the auxiliary switch 16 is arranged below the.
The auxiliary switch 16 comprises a ceramic body 11, a plastic support 12, a micro switch 13, a reed 14 and a guide pin 15, the lower end of the iron core sleeve 3 is connected with the ceramic body 11 in a fiber welding mode, the guide pin 15 is arranged at the lower end of the ceramic body 11, the plastic support 12 and the reed 14 are arranged on the ceramic body 11, the micro switch 13 is arranged on the plastic support 12, one end of the reed 14 is in contact with a pin of the micro switch 13, and the other end of the reed 14 is in contact with the guide pin 15. The plastic support 12 and the spring plate 14 are molded into a whole structure. The movable iron core 1 is provided with a push rod 4, the push rod 4 and the movable iron core 1 are welded firmly, a movable contact spring 8 is arranged above the top end of the push rod 4, and a micro switch 13 is arranged below the bottom end of the push rod 4.
And a return spring 10 is arranged between the movable iron core 1 and the static iron core 2. And a coil framework 7 is arranged on one side of the U-shaped yoke, and a coil is arranged in the coil framework 7. The iron core sleeve 3 is of a structure with a through hole in the center.
The working process of the invention is as follows:
in the working process of the direct current contactor with the auxiliary switch, the static iron core 2 and the magnetic conducting plate 5 are fixed together, the push rod 4 and the static iron core 2 are firmly welded, the return spring 10 is arranged between the static iron core 12 and the static iron core 12, the iron core sleeve 3 and the magnetic conducting plate 5 are welded together, and the magnetic conducting plate 5 is tightly contacted with the U-shaped yoke 6. The U-shaped yoke 6, the movable iron core 1, the static iron core 2 and the magnetic conduction plate 5 form a magnetic conduction loop, the movable iron core 1 drives the push rod 4 to move upwards under the action of magnetic force (the iron core sleeve 3 plays a role in guiding, and the coil on the coil support 7 provides the magnetic force for the upward movement of the movable iron core 1), the push rod 4 drives the movable contact 8 to move upwards, the movable and static contacts are closed, and the switching function is realized. Meanwhile, the following functions are added: the iron core sleeve 3 is processed into a through hole structure and is firmly brazed with the ceramic body 11 (meanwhile, the guide pin 15 is brazed with the ceramic body 11), the reed 14 and the plastic support 12 are integrated by injection molding, the plastic support 12 is arranged in the ceramic body 11, and the microswitch 13 is clamped in the plastic support 12. One end of the reed 14 is firmly contacted with the pin of the micro switch 13, and the other end is firmly contacted with the guide pin 15. The contact push rod 4 moves downwards to press the reed 14 on the micro switch 13, the micro switch 13 is closed, and a closing signal of the micro switch 13 is transmitted to the needle 15 from the pin part and is fed back by a lead connected with the needle 15.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a take auxiliary switch's direct current contactor which characterized in that: the magnetic conduction iron core comprises a movable iron core (1), a static iron core (2), an iron core sleeve (3), a magnetic conduction plate (5), a U-shaped yoke (6), a movable contact piece (8), a static contact (9) and an auxiliary switch (16), wherein the static iron core (2), the iron core sleeve (3) and the U-shaped yoke (6) are arranged on the magnetic conduction plate (5), the static iron core (2) is located above the iron core sleeve (3), the movable iron core (1) is arranged in the iron core sleeve (3), the U-shaped yoke (6), the movable iron core (1), the static iron core (2) and the magnetic conduction plate (5) form a magnetic conduction loop, the movable contact piece (8) is arranged above the magnetic conduction plate (5), the static contact piece (9) is arranged above the movable contact piece (8), the auxiliary switch (16) is arranged below the magnetic conduction plate (5), and the auxiliary switch (16) comprises a ceramic body (11), a plastic support (12), a microswitch (13, The iron core comprises a reed (14) and a guide pin (15), the lower end of an iron core sleeve (3) is in fiber welding connection with a ceramic body (11), the lower end of the ceramic body (11) is provided with the guide pin (15), the ceramic body (11) is provided with a plastic support (12) and the reed (14), the plastic support (12) is provided with a micro switch (13), one end of the reed (14) is in contact with a pin of the micro switch (13), the other end of the reed (14) is in contact with the guide pin (15), and the plastic support (12) and the reed (14) are molded into an integral structure.
2. A dc contactor with an auxiliary switch as claimed in claim 1, wherein: the movable iron core (1) is provided with a push rod (4), the push rod (4) and the movable iron core (1) are welded firmly, the movable contact spring (8) is installed above the top end of the push rod (4), and the micro switch (13) is located below the bottom end of the push rod (4).
3. A dc contactor with an auxiliary switch as claimed in claim 1, wherein: and a return spring (10) is arranged between the movable iron core (1) and the static iron core (2).
4. A dc contactor with an auxiliary switch as claimed in claim 1, wherein: and a coil framework (7) is arranged on one side of the U-shaped yoke, and a coil is arranged in the coil framework (7).
5. A dc contactor with an auxiliary switch as claimed in claim 1, wherein: the iron core sleeve (3) is of a structure with a through hole in the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261158.7A CN109872922B (en) | 2019-04-02 | 2019-04-02 | DC contactor with auxiliary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261158.7A CN109872922B (en) | 2019-04-02 | 2019-04-02 | DC contactor with auxiliary switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109872922A CN109872922A (en) | 2019-06-11 |
| CN109872922B true CN109872922B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910261158.7A Active CN109872922B (en) | 2019-04-02 | 2019-04-02 | DC contactor with auxiliary switch |
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| Country | Link |
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| CN (1) | CN109872922B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916312B (en) * | 2020-08-12 | 2023-03-21 | 浙江众信新能源科技股份有限公司 | Relay contact assembly capable of resisting large short circuit current |
| CN113948338B (en) * | 2021-08-30 | 2024-02-09 | 上海西艾爱电子有限公司 | Auxiliary switching device of ceramic direct-current contactor and contactor |
| CN114944303B (en) * | 2022-06-24 | 2022-12-20 | 浙江百事宝电器股份有限公司 | High-voltage direct-current contactor with auxiliary function |
| CN115083841B (en) * | 2022-06-28 | 2023-05-23 | 浙江百事宝电器股份有限公司 | Three-four-wire alternating-current contactor with auxiliary switch |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151532Y (en) * | 1993-01-08 | 1993-12-29 | 丹阳市低压电器设备厂 | DC contactor |
| CN102737914A (en) * | 2012-07-02 | 2012-10-17 | 戴丁志 | Arc-quenching non-polar contactor |
| CN106252160A (en) * | 2016-10-09 | 2016-12-21 | 苏州安来强电子科技有限公司 | Closed type D.C. contactor with auxiliary switch |
| CN206301743U (en) * | 2016-11-25 | 2017-07-04 | 常州市吉士电器有限公司 | D.C. contactor with auxiliary switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7061352B2 (en) * | 2004-01-26 | 2006-06-13 | Tzo-Ing Lin | Noise-free low-power consumption wide voltage range DC and AC contactor and remote telephone control system using the same |
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2019
- 2019-04-02 CN CN201910261158.7A patent/CN109872922B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2151532Y (en) * | 1993-01-08 | 1993-12-29 | 丹阳市低压电器设备厂 | DC contactor |
| CN102737914A (en) * | 2012-07-02 | 2012-10-17 | 戴丁志 | Arc-quenching non-polar contactor |
| CN106252160A (en) * | 2016-10-09 | 2016-12-21 | 苏州安来强电子科技有限公司 | Closed type D.C. contactor with auxiliary switch |
| CN206301743U (en) * | 2016-11-25 | 2017-07-04 | 常州市吉士电器有限公司 | D.C. contactor with auxiliary switch |
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| CN109872922A (en) | 2019-06-11 |
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