CN217405339U - Auxiliary contact assembly of relay - Google Patents
Auxiliary contact assembly of relay Download PDFInfo
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- CN217405339U CN217405339U CN202220771074.5U CN202220771074U CN217405339U CN 217405339 U CN217405339 U CN 217405339U CN 202220771074 U CN202220771074 U CN 202220771074U CN 217405339 U CN217405339 U CN 217405339U
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- auxiliary contact
- contact switch
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- relay
- auxiliary
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Abstract
The utility model relates to a relay, concretely relates to auxiliary contact subassembly of relay. The auxiliary contact assembly of the relay comprises an auxiliary contact switch and a touch piece, wherein the auxiliary contact switch is arranged between a movable reed and a yoke plate and used for sending the working state of the relay, the touch piece is used for touching the auxiliary contact switch, the movable reed is fixed at the upper end of a push rod, and the push rod and the movable reed are lifted so as to enable the touch piece and the auxiliary contact switch to be close to or far away from each other. The utility model has the advantages of use reliability higher, it is more convenient to assemble, and the cost is lower.
Description
Technical Field
The utility model relates to a high voltage direct current relay, concretely relates to auxiliary contact subassembly of relay.
Background
In order to monitor the working state of the direct current relay, an auxiliary contact is arranged in the relay, and an auxiliary contact detection circuit is arranged externally. The working state of the relay comprises: the relay is in a normal working state that a movable contact and a fixed contact are conducted, a normal working state that the movable contact and the fixed contact are disconnected, a fault state that a suction signal is received but the movable contact and the fixed contact are not contacted and conducted, and a fault state that a disconnection signal is received but the movable contact and the fixed contact are bonded.
The Chinese patent with the application number of 201910258948.X discloses an auxiliary contact structure and a high-voltage direct-current relay with an auxiliary contact, wherein the auxiliary contact structure comprises a U-shaped support used for installing a main reed, an auxiliary contact leading-out end, an auxiliary reed and a ceramic cover, the ceramic cover is provided with a cavity with a downward opening, the two auxiliary contact leading-out ends are respectively arranged at the top wall of the ceramic cover and extend the respective bottom ends into the cavity of the ceramic cover, the auxiliary reed and the mounting support are connected into an integral piece in an insulating and isolating mode through a plastic piece, the auxiliary reed is arranged on the upper portion and is in a distribution mode under the mounting support, the bottom of the mounting support is fixed with the top of the U-shaped support, and the two ends of the auxiliary reed are respectively corresponding to the bottom ends of the two auxiliary contact leading-out ends.
The above scheme has the following defects: the structure is complex, the production cost is high, and the assembly requirement is high; when the auxiliary contact terminal is used, the auxiliary spring plate and the auxiliary contact leading-out end can not be in normal contact, and the use reliability is poor.
Disclosure of Invention
The utility model aims at providing a use the relay that has auxiliary contact subassembly that the reliability is higher and the cost is lower.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the auxiliary contact assembly of the relay comprises an auxiliary contact switch and a touch piece, wherein the auxiliary contact switch is arranged between a movable reed and a yoke plate and used for sending the working state of the relay, the touch piece is used for touching the auxiliary contact switch, the movable reed is fixed at the upper end of a push rod, and the push rod and the movable reed are lifted to enable the touch piece and the auxiliary contact switch to be close to or far away from each other.
Receive actuation or disconnected signal back when the relay, the catch bar removes and drives the movable contact spring lift, so that the utility model discloses a touch the piece and close on or break away from each other with the auxiliary contact switch, then judge the relay according to the signal of telecommunication that whether the auxiliary contact switch sent and be in normal operating condition or trouble. Wherein, the utility model discloses an auxiliary contact switch is connected with the external auxiliary contact detection circuitry electricity of relay according to conventional mode. Wherein, the utility model discloses an auxiliary contact switch can select current arbitrary contact switch (sensor) or proximity switch.
The utility model discloses a set up contact switch or proximity switch, and be used for triggering auxiliary contact switch to replace conventional auxiliary reed (auxiliary contact) and auxiliary contact to draw forth the end, only need an electrical contact alright with make auxiliary contact subassembly send the signal of telecommunication, compare the auxiliary contact subassembly that needs two electrical contacts and use the reliability higher, it is more convenient to assemble, and the cost is lower.
Preferably, the auxiliary contact switch is fixed on the upper side of the yoke plate, and the touch piece is fixed with the movable spring or the push rod, or the touch piece is a part of the movable spring. The touch piece is linked with the movable spring leaf, and is convenient for the utility model discloses a setting and assembly.
Preferably, the touch piece comprises a fixed part, a deformation part and a touch part, the fixed part is fixed with the movable reed, the touch part is used for contacting with the auxiliary contact switch, the upper end of the deformation part is connected with the fixed part, and the lower end of the deformation part is connected with the touch part. The fixed part of the relay refers to a part which can not move in the relay after the coil of the relay is electrified.
Preferably, a positioning plate is arranged on the yoke iron plate, the positioning plate is provided with a fixing block extending upwards, the fixing block is provided with an accommodating groove for accommodating the auxiliary contact switch, and the auxiliary contact switch is fixed in the accommodating groove. The holding tank can fix a position auxiliary contact switch, and the location of the auxiliary contact switch of being convenient for is fixed. Wherein, supplementary contact switch accessible tight fit, glue are fixed in the holding tank such as multiple mode such as fixed. The fixed block has the take the altitude, can block piece powder to avoid auxiliary contact switch card post, and can realize the electromagnetism and keep apart.
Preferably, the holding tank includes the cell wall of two at least relative settings, be equipped with the bead of vertical setting on the cell wall, and the thickness of bead upper segment from top to bottom increases gradually. The convex edge is arranged, so that the auxiliary contact switch is limited and fixed.
Preferably, the fixing block is formed with a laterally opened receding groove, a part of the pin or the wire of the auxiliary contact switch, which is close to the auxiliary contact switch, is located at the receding groove, and one end of the wire is electrically connected with the auxiliary contact switch. The setting is enough high that what the aforesaid set up so that the holding tank can be done is darker, the fixed block is done to it is bigger to guarantee the holding tank inner wall and auxiliary contact switch's contact surface, so that auxiliary contact switch's fixed effect is better.
Preferably, the auxiliary contact switch is electrically connected with one end of the wire, and the positioning plate is provided with a guide protrusion which extends upwards and guides and positions the wire. The guide bulge is arranged to limit the lead so as to avoid the contact of the longer lead to other components in the relay.
Preferably, the movable spring is located in a cavity formed by the insulating cover and the yoke plate, and the insulating cover is provided with a yielding hole for the lead to pass through. The auxiliary contact switch is convenient to be electrically connected with the external auxiliary contact detection circuit.
Preferably, the bottom of the accommodating groove is provided with a support protrusion extending upwards, and a gap is formed between part or all of the outer wall of the support protrusion and the inner wall of the accommodating groove. The setting in space so that holding tank bottom is not filled up, and the locating plate top can not have the supporting protrusion the same with holding tank cross-section size, and the deformation of locating plate and supporting protrusion junction can be avoided to the injection moulding of the locating plate of being convenient for. The supporting protrusion is used for lifting the auxiliary contact switch so as to ensure the contact of the auxiliary contact switch and the touch piece.
The utility model has the advantages of use reliability higher, it is more convenient to assemble, and the cost is lower.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a schematic structural view of the touch member and the movable spring plate of the present invention after being fixed;
fig. 3 is a schematic structural view of the positioning plate of the present invention;
fig. 4 is a schematic structural diagram of the relay according to the present invention with the outer casing removed.
Detailed Description
The invention will be further described with reference to the drawings and the specific embodiments.
As shown in fig. 1 to 4, the utility model discloses an auxiliary contact subassembly of relay, including setting up the auxiliary contact switch 2 that is used for sending relay operating condition between movable contact spring 11 and yoke board 12 and being used for touching the touch piece 3 of auxiliary contact switch 2, movable contact spring 11 is fixed in catch bar 13 upper end, and catch bar 13 drives movable contact spring 11 and goes up and down to close on or keep away from between touch piece 3 and auxiliary contact switch 2. The auxiliary contact switch 2 is fixed on the upper side of the yoke plate 12, and the contact piece 3 is fixed with the movable spring 11. Wherein, the auxiliary contact switch 2 is a light touch switch.
The touch piece 3 is composed of a fixed part 31, a deformation part 32 and a touch part 33, the fixed part 31 is riveted and fixed with the movable spring 11, the touch part 33 is used for contacting with the button 21 of the auxiliary contact switch 2, the upper end of the deformation part 32 is connected with the fixed part, and the lower end of the deformation part 32 is connected with the touch part 33. The triggering member 3 of the present embodiment is made of a metal plate by bending, and the deformation portion 32 is disposed obliquely relative to the fixing portion 31 and the triggering portion 33.
The yoke iron plate 12 is provided with a positioning plate 14, the positioning plate 14 is provided with a fixing block 4 extending upwards, the fixing block 4 is provided with an accommodating groove 41 for accommodating the auxiliary contact switch, and the auxiliary contact switch 2 is tightly matched in the accommodating groove 41 and fixed by dispensing. The accommodating groove 41 includes at least two groove walls 42 disposed oppositely, a vertically disposed rib 43 is disposed on the groove walls 42, and the thickness of the upper section of the rib 43 is gradually increased from top to bottom. Wherein, the bottom of the accommodating groove 41 is provided with a supporting protrusion 44 extending upwards, and a gap 45 is formed between the outer wall of the supporting protrusion 44 and the inner wall of the accommodating groove 41. The fixing glue fills the gap 45.
The fixed block 4 is provided with a yielding groove 47 with a lateral opening, the pin of the auxiliary contact switch 2 is positioned at the yielding groove 47, one end of a lead (not shown in the figure) is electrically connected with the pin, the positioning plate 14 is provided with a guide bulge 15 which extends upwards and guides and positions the lead, the movable reed 11 is positioned in a cavity formed by the insulating cover 16 and the yoke plate 12, and the insulating cover 16 is provided with a yielding hole 17 for the lead to pass through.
The utility model has the advantages of use reliability higher, it is more convenient to assemble, and the cost is lower.
Claims (9)
1. An auxiliary contact assembly of a relay is characterized by comprising an auxiliary contact switch and a touch piece, wherein the auxiliary contact switch is arranged between a movable reed and a yoke plate and used for sending the working state of the relay, the touch piece is used for touching the auxiliary contact switch, the movable reed is fixed at the upper end of a push rod, and the push rod and the movable reed are lifted to enable the touch piece and the auxiliary contact switch to be close to or far away from each other.
2. The auxiliary contact assembly of a relay according to claim 1, wherein the auxiliary contact switch is fixed to an upper side of the yoke plate, and the contact member is fixed to the movable spring or the push rod, or the contact member is a part of the movable spring.
3. The auxiliary contact assembly of a relay according to claim 2, wherein the contact member comprises a fixed portion, a deformable portion and a contact portion, the fixed portion is fixed to the movable spring, the contact portion is adapted to contact the auxiliary contact switch, an upper end of the deformable portion is connected to the fixed portion, and a lower end of the deformable portion is connected to the contact portion.
4. The auxiliary contact assembly of a relay according to claim 1, wherein the yoke plate is provided with a positioning plate, the positioning plate is formed with a fixing piece extending upward, the fixing piece is formed with a receiving groove for receiving the auxiliary contact switch, and the auxiliary contact switch is fixed in the receiving groove.
5. The auxiliary contact assembly of a relay according to claim 4, wherein the receiving groove comprises at least two opposite groove walls, wherein the groove walls are provided with vertically arranged ribs, and the thickness of the upper section of each rib is gradually increased from top to bottom.
6. The auxiliary contact assembly of a relay according to claim 4 or 5, wherein the fixing block is formed with a laterally opened relief groove, a portion of the pin or the wire of the auxiliary contact switch adjacent to the auxiliary contact switch is located at the relief groove, and one end of the wire is electrically connected with the auxiliary contact switch.
7. The auxiliary contact assembly of a relay according to claim 4, wherein the auxiliary contact switch is electrically connected to one end of the conductive wire, and the positioning plate is provided with a guide protrusion extending upward and guiding and positioning the conductive wire.
8. The auxiliary contact assembly of a relay according to claim 7, wherein said movable spring is disposed in a chamber formed by an insulating cover and a yoke plate, said insulating cover being provided with a relief hole for passing said conductive wire therethrough.
9. The auxiliary contact assembly of a relay according to claim 4, wherein the bottom of the receiving groove is provided with an upwardly extending supporting protrusion, and a gap is formed between part or all of the outer wall of the supporting protrusion and the inner wall of the receiving groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220771074.5U CN217405339U (en) | 2022-04-06 | 2022-04-06 | Auxiliary contact assembly of relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220771074.5U CN217405339U (en) | 2022-04-06 | 2022-04-06 | Auxiliary contact assembly of relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217405339U true CN217405339U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220771074.5U Active CN217405339U (en) | 2022-04-06 | 2022-04-06 | Auxiliary contact assembly of relay |
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| CN (1) | CN217405339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114695023A (en) * | 2022-04-06 | 2022-07-01 | 浙江英洛华新能源科技有限公司 | Relay with switch type auxiliary contact assembly |
-
2022
- 2022-04-06 CN CN202220771074.5U patent/CN217405339U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114695023A (en) * | 2022-04-06 | 2022-07-01 | 浙江英洛华新能源科技有限公司 | Relay with switch type auxiliary contact assembly |
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