CN111564338A - Compact high-voltage direct-current relay - Google Patents
Compact high-voltage direct-current relay Download PDFInfo
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- CN111564338A CN111564338A CN202010368542.XA CN202010368542A CN111564338A CN 111564338 A CN111564338 A CN 111564338A CN 202010368542 A CN202010368542 A CN 202010368542A CN 111564338 A CN111564338 A CN 111564338A
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- 230000003068 static effect Effects 0.000 claims abstract description 71
- 239000000919 ceramic Substances 0.000 claims abstract description 63
- 238000004804 winding Methods 0.000 claims abstract description 12
- 238000001746 injection moulding Methods 0.000 claims description 102
- 238000005452 bending Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 description 26
- 239000007924 injection Substances 0.000 description 26
- SEWHDNLIHDBVDZ-UHFFFAOYSA-N 1,2,3-trichloro-4-(2-chlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1Cl SEWHDNLIHDBVDZ-UHFFFAOYSA-N 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- XOMKZKJEJBZBJJ-UHFFFAOYSA-N 1,2-dichloro-3-phenylbenzene Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1Cl XOMKZKJEJBZBJJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/14—Terminal arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
- H01H50/043—Details particular to miniaturised relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
- H01H50/443—Connections to coils
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/548—Contact arrangements for miniaturised relays
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a compact high-voltage direct-current relay, which comprises a shell, a main static contact, an auxiliary static contact, a ceramic cover, a PCB (printed circuit board) and a coil rack, wherein the shell is provided with a plurality of first permanent contacts; the relay also comprises a connector which integrates two coil leading-out terminals and two auxiliary static contact leading-out terminals side by side so as to be convenient for being matched with an external connecting piece, and an adapter piece used for connecting the two auxiliary static contacts; the winding terminal is connected with a coil leading-out terminal in the connector through a PCB board, and the auxiliary static contact is connected with an auxiliary static contact leading-out terminal in the connector through an adapter; the leading-out surface formed by the two coil leading-out terminals and the two auxiliary static contact leading-out terminals in parallel, the surface of the adapter and the surface of the PCB are respectively positioned on three surfaces which are vertical to each other. The invention can make the structure of the relay more compact under the condition of meeting the requirements of high voltage and auxiliary contact, thereby realizing the volume miniaturization of the relay product.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a compact high-voltage direct-current relay.
Background
A high-voltage direct-current relay in the prior art adopts a movable spring direct-acting (also called solenoid direct-acting) structure, a contact part of the high-voltage direct-current relay comprises two static contacts (namely load leading-out ends) and a movable component, the movable component comprises a movable spring part and a push rod component, the movable spring part is in bridge type fit between the two static contacts and is arranged at the top of the push rod component, two movable contacts of the movable spring part are respectively contacted with or separated from the two static contacts through the reciprocating motion of the push rod component, when in contact, current flows in from one static contact, and flows out from the other static contact after passing through the movable spring part.
With the continuous expansion of the application field of the relay, the requirement on the relay is higher and higher, and particularly in the application of the relay in the new energy field, the requirement on the voltage is high, the requirement on the volume is small, and an auxiliary contact is required. The high-voltage direct-current relay in the prior art usually has the PCB and the connector arranged on one side of the short edge of the relay at the same time, or has the connector arranged above the relay, and the PCB and the auxiliary contact are led out upwards at the same time, so that the difficulty of process manufacture can be reduced, but the high-voltage direct-current relay with the structure has the defects of not compact structure and larger volume.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a compact high-voltage direct-current relay, which can enable the structure of the relay to be more compact under the condition of meeting the requirements of high voltage and auxiliary contacts through structural improvement, thereby realizing the volume miniaturization of a relay product.
The technical scheme adopted by the invention for solving the technical problems is as follows: a compact high-voltage direct-current relay comprises a shell, a main fixed contact, an auxiliary fixed contact, a ceramic cover, a PCB and a coil rack; the ceramic cover and the coil rack are accommodated in the shell in a vertically distributed manner; the two main fixed contacts, the two auxiliary fixed contacts and the PCB are respectively arranged in the shell; the coil rack is provided with a winding terminal, and the winding terminal is connected with the PCB; the relay also comprises a connector and an adapter piece, wherein the connector is used for integrating two coil leading-out terminals and two auxiliary static contact leading-out terminals together in parallel so as to be conveniently matched with an external connecting piece; the winding terminal is connected with a coil leading-out terminal in the connector through a PCB, and the auxiliary static contact is connected with an auxiliary static contact leading-out terminal in the connector through an adapter; the adapter is plate-shaped; the leading-out surfaces formed by the two coil leading-out terminals and the two auxiliary static contact leading-out terminals in parallel, the board surface of the adapter and the board surface of the PCB are respectively positioned on three surfaces which are vertical to each other, so that the compact distribution of internal components of the relay is realized.
The ceramic cover is approximately rectangular, the coil rack is approximately circular, the projection of the edge of the flange of the coil rack on the horizontal plane protrudes out of the long edge of the rectangular shape of the ceramic cover, and the projection of the short edge of the rectangular shape of the ceramic cover on the horizontal plane projects the edge of the flange of the coil rack; the adapter is horizontally arranged on the top surface of the ceramic cover, the PCB is erected outside a flange of the coil rack below a short edge of the ceramic cover and is parallel to the side surface of the short edge of the ceramic cover, and a leading-out surface formed by the two coil leading-out terminals and the two auxiliary static contact leading-out terminals in parallel is erected outside a long edge of the ceramic cover above the coil rack and is parallel to the side surface of the long edge of the ceramic cover.
The connector comprises a first injection molding piece and a second injection molding piece, wherein the first injection molding piece is used for injection molding two coil leading-out terminals together, and the second injection molding piece is used for injection molding two auxiliary static contact leading-out terminals together; the second injection molding piece is clamped on the first injection molding piece, the two coil leading-out terminals respectively penetrate out of the top surface of the first injection molding piece, and the two auxiliary static contact leading-out terminals respectively penetrate out of the side surface of the second injection molding piece and are bent upwards to enable the bending sections of the auxiliary static contact leading-out terminals to be parallel to the two coil leading-out terminals.
And a first convex part is arranged on the first injection molding part, and the parts of the two auxiliary static contact leading-out terminals which penetrate out from the side surface of the second injection molding part are lapped on the first convex part.
The injection molding machine is characterized in that two second convex parts are further arranged on the first injection molding part, clamping grooves are respectively formed in two sides of the second injection molding part, and the clamping grooves in the two sides of the second injection molding part are clamped in the two second convex parts of the first injection molding part respectively, so that the second injection molding part is clamped on the first injection molding part.
The adapter piece comprises two first connecting plates and a third injection molding piece for insulating and injecting the two first connecting plates together; the third injection molding piece is flatly arranged on the top surface of the ceramic cover, one ends of the two first connecting pieces are respectively arranged in two through holes of the third injection molding piece, and the two through holes of the third injection molding piece respectively correspond to the top ends of the two auxiliary static contacts, so that one ends of the two first connecting pieces can be respectively correspondingly connected with the two auxiliary static contacts; and the other ends of the two first connecting sheets are respectively bent downwards from the top surface of the long edge of the ceramic cover to the side surface of the long edge of the ceramic cover so as to be correspondingly connected with the leading-out terminals of the two auxiliary static contacts in the connector.
And the other ends of the two first connecting sheets are respectively and integrally connected with the two auxiliary static contact leading-out terminals correspondingly.
The parts, bent to the side faces of the long edges of the ceramic cover, of the two first connecting pieces are further coated with a fourth injection molding piece, and the fourth injection molding piece is plate-shaped and is parallel to the side faces of the long edges of the ceramic cover; the bottom end of the fourth injection molding piece is integrally connected with the second injection molding piece.
The PCB is bent through two second connecting sheets and then is connected with two coil leading-out terminals in the connector; one end of each of the two second connecting sheets is connected with the PCB respectively; the other ends of the two second connecting sheets are bent upwards from the lower direction of the short edge of the ceramic cover to the side surface of the long edge of the ceramic cover and are correspondingly connected with the two coil leading-out terminals; the two second connecting sheets are further coated on a fifth injection molding piece, the fifth injection molding piece is L-shaped, and one end, far away from the PCB, of the fifth injection molding piece is integrally connected with the first injection molding piece.
And the other ends of the two second connecting sheets are respectively and integrally connected with the two coil leading-out terminals correspondingly.
Compared with the prior art, the invention has the beneficial effects that:
1. the two coil leading-out terminals and the two auxiliary static contact leading-out terminals are integrated side by side to form the connector which is convenient to be matched with an external connecting piece, and the adapter piece used for connecting the two auxiliary static contacts is arranged; the winding terminal is connected with a coil leading-out terminal in the connector through a PCB board, and the auxiliary static contact is connected with a leading-out terminal of the auxiliary static contact in the connector through an adapter; the adapter is plate-shaped; the leading-out surface formed by the two coil leading-out terminals and the two auxiliary static contact leading-out terminals in parallel, the surface of the adapter and the surface of the PCB are designed to be positioned on three surfaces which are vertical to each other respectively. The structure of the invention can make the structure of the relay more compact and the internal components compactly distributed under the condition of meeting the requirements of high voltage and auxiliary contacts, thereby being beneficial to realizing the volume miniaturization of the relay product.
2. The connector comprises a first injection molding part and a second injection molding part, wherein the first injection molding part is used for injecting the two coil leading-out terminals together, and the second injection molding part is used for injecting the two auxiliary static contact leading-out terminals together; the second injection molding piece is clamped on the first injection molding piece, the two coil leading-out terminals respectively penetrate out of the top surface of the first injection molding piece, and the two auxiliary static contact leading-out terminals respectively penetrate out of the side surface of the second injection molding piece and are bent upwards to enable the bending sections of the auxiliary static contact leading-out terminals to be parallel to the two coil leading-out terminals. The structure of the invention ensures that the connector has simple structure and is easy to assemble.
3. The invention adopts the technical scheme that the adapter is designed to comprise two first connecting plates and a third injection molding part which is used for injecting the two first connecting plates together in an insulating manner; respectively bending the other ends of the two first connecting sheets downwards from the top surface of the long edge of the ceramic cover to the side surface of the long edge of the ceramic cover so as to be correspondingly connected with the leading-out terminals of the two auxiliary static contacts in the connector; and the other ends of the two first connecting sheets are respectively and correspondingly connected with the two auxiliary static contact leading-out terminals into a whole. The structure of the invention ensures that the two first connecting sheets and the two auxiliary static contact leading-out terminals can be formed by injection molding after the strip material is bent, thereby simplifying the manufacturing process, ensuring the low-voltage wiring of the auxiliary static contact parts to be neat and compact and facilitating the realization of the volume miniaturization of the product.
4. In the invention, each end of the two second connecting sheets is respectively connected with the PCB; the other ends of the two second connecting sheets are bent upwards from the lower direction of the short edge of the ceramic cover to the side surface of the long edge of the ceramic cover and are correspondingly connected with the two coil leading-out terminals; the two second connecting sheets are further coated on a fifth injection molding piece, and the fifth injection molding piece is L-shaped; the other ends of the two second connecting sheets are respectively and integrally connected with the two coil leading-out terminals correspondingly. According to the structure, the two second connecting sheets and the two coil leading-out terminals can be formed by injection molding after the two second connecting sheets and the two coil leading-out terminals are bent by the belt material, so that the manufacturing process is simplified, low-voltage wiring of the coil leading-out part is neat and compact, and the miniaturization of the product volume is facilitated.
The invention is further explained in detail with the accompanying drawings and the embodiments; a compact high-voltage direct-current relay of the present invention is not limited to the embodiments.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is an exploded perspective view of an embodiment of the present invention;
fig. 3 is a cross-sectional view of an embodiment of the invention (taken along the line connecting two main stationary contacts);
fig. 4 is a cross-sectional view of an embodiment of the present invention (taken along the line connecting two auxiliary stationary contacts);
FIG. 5 is a schematic perspective view of an embodiment of the invention (with the housing removed);
FIG. 6 is a perspective view of a housing of an embodiment of the present invention;
FIG. 7 is a partial configuration schematic of an embodiment of the present invention;
fig. 8 is a schematic diagram of a strip material in which two first connecting plates and two auxiliary stationary contact leading-out terminals are integrally connected according to an embodiment of the present invention;
fig. 9 is a schematic view of a strip material formed by integrally connecting two first connecting plates and two auxiliary stationary contact leading-out terminals according to an embodiment of the present invention, and the strip material is injection-molded with a second injection-molded part, a third injection-molded part and a fourth injection-molded part;
FIG. 10 is a schematic view of a strip with two second connection tabs and two coil lead-out terminals integrated according to an embodiment of the invention;
FIG. 11 is a schematic view of a strip of two second connection tabs and two coil lead-out terminals according to an embodiment of the present invention injection molded together with a first injection molded part and a fifth injection molded part;
FIG. 12 is a schematic view of a first injection molded part mating with a second injection molded part of an embodiment of the present invention;
FIG. 13 is a schematic representation of a first injection molded part of an embodiment of the present invention mated to a second injection molded part and then mated to a ceramic cover.
Detailed Description
Examples
Referring to fig. 1 to 13, the compact high-voltage direct-current relay of the present invention includes a housing 1, a main stationary contact 21, an auxiliary stationary contact 22, a ceramic cover 3, a PCB 41, and a coil rack 42; the ceramic cover 3 and the coil rack 42 are accommodated in the housing 1 in a vertically distributed manner; two main static contacts 21, two auxiliary static contacts 22 and a PCB 41 are respectively arranged in the shell 1; the coil rack 42 is provided with a winding terminal 43, the winding terminal 43 is connected with the PCB 5, and the control of the relay coil is realized through the PCB; the relay further comprises a connector 5 and an adaptor 6, wherein the connector 5 integrates two coil leading-out terminals 51 and two auxiliary fixed contact leading-out terminals 52 side by side so as to be matched with the external connecting piece 10 conveniently, and the adaptor is used for connecting the two auxiliary fixed contacts 22; the winding terminal 43 is connected with a coil leading-out terminal 51 in the connector 5 through the PCB 41, and the auxiliary static contact 22 is connected with an auxiliary static contact leading-out terminal 52 in the connector 5 through the adaptor 6; the adaptor 6 is plate-shaped; the leading-out surfaces formed by the two coil leading-out terminals 51 and the two auxiliary fixed contact leading-out terminals 52 in parallel, the plate surface of the adapter piece 6 and the plate surface of the PCB 41 are respectively positioned on three surfaces which are vertical to each other, so that the compact distribution of the internal components of the relay is realized.
In this embodiment, the ceramic cover 3 is substantially rectangular, the two main static contacts 21 are mounted on the ceramic cover 3 along the length direction, and the two auxiliary static contacts 22 are mounted on the ceramic cover 3 along the width direction and are located at substantially the middle of the connection line of the two main static contacts 21; the coil rack 42 is approximately in a circular shape, the projection of the edge of the flange 421 of the coil rack 42 on the horizontal plane is protruded from the long side 31 of the rectangular shape of the ceramic cover 3, and the projection of the short side 32 of the rectangular shape of the ceramic cover 3 on the horizontal plane is beyond the edge 421 of the flange of the coil rack 42; the adaptor 6 is horizontally arranged on the top surface of the ceramic cover 3, the PCB 41 is erected outside the flange 421 of the coil rack 42 below the short side 32 of the ceramic cover 3 and is parallel to the side surface of the short side 32 of the ceramic cover 3, and an extraction surface formed by two coil extraction terminals 51 and two auxiliary fixed contact extraction terminals 52 in parallel is erected outside the long side 31 of the ceramic cover 3 above the coil rack 42 and is parallel to the side surface of the long side 31 of the ceramic cover 3.
In this embodiment, the connector 5 includes a first injection molding part 71 that mutually insulates and injects two coil leading-out terminals 51 together, and a second injection molding part 72 that mutually insulates and injects two auxiliary stationary contact leading-out terminals 52 together; the second injection molding part 72 is clamped on the first injection molding part 71, the two coil leading-out terminals 51 respectively penetrate out of the top surface of the first injection molding part 71, and the two auxiliary static contact leading-out terminals 52 respectively penetrate out of the side surface of the second injection molding part 72 and are bent upwards to enable the bent sections 521 of the auxiliary static contact leading-out terminals 52 to be parallel to the two coil leading-out terminals 51.
In this embodiment, a first protrusion 711 is disposed on the first injection-molded part 71, and a portion 522 of the two auxiliary stationary contact leading-out terminals 52, which penetrates through the side surface of the second injection-molded part 72, is lapped on the first protrusion 711.
In this embodiment, two second convex portions 712 are further disposed on the first injection molded part 71, two sides of the second injection molded part 72 are respectively provided with a clamping groove 721, and the clamping grooves 721 on the two sides of the second injection molded part 72 are respectively clamped at the two second convex portions 712 of the first injection molded part 71, so that the second injection molded part 72 is clamped on the first injection molded part 71.
In the present exemplary embodiment, the adapter part 6 comprises two first connection webs 61 and a third injection-molded part 62, which injection-molds the two first connection webs 61 together in an insulated manner; the third injection-molded part 62 is flatly arranged on the top surface of the ceramic cover 3, one end of each of the two first connecting pieces 61 is respectively arranged in two through holes 621 of the third injection-molded part 62, and the two through holes of the third injection-molded part 621 respectively correspond to the top end positions of the two auxiliary stationary contacts 22, so that one end of each of the two first connecting pieces 61 can be correspondingly connected with the two auxiliary stationary contacts 22; the other ends of the two first connecting pieces 61 are respectively bent downward from the top surface of the long side 31 of the ceramic cover to the side surface of the long side of the ceramic cover 3 to be correspondingly connected with the two auxiliary stationary contact leading-out terminals 52 in the connector 5.
In this embodiment, the other ends of the two first connecting pieces 61 are respectively and integrally connected to the two auxiliary stationary contact leading-out terminals 52.
In this embodiment, the parts of the two first connecting pieces 61 bent to the side surfaces of the long sides of the ceramic cover are further coated with a fourth injection molding piece 63, and the fourth injection molding piece 63 is plate-shaped and parallel to the side surfaces of the long sides 31 of the ceramic cover 3; the bottom end of the fourth injection molded part 63 is integrally connected with the second injection molded part 72.
In this embodiment, the PCB 41 is bent by two second connecting pieces 73 and then connected to two coil leading-out terminals 51 in the connector 5; one end of each of the two second connecting pieces 73 is connected with the PCB 41; the other ends of the two second connecting pieces 73 are bent upwards from the lower direction of the short side 32 of the ceramic cover 3 to the side surface of the long side 31 of the ceramic cover 3 and correspondingly connected with the two coil leading-out terminals 51; the two second connecting pieces 73 are further coated on a fifth injection molding piece 74, the fifth injection molding piece 74 is L-shaped, and one end, far away from the PCB 41, of the fifth injection molding piece 74 is integrally connected with the first injection molding piece 71.
In this embodiment, the other ends of the two second connecting pieces 73 are respectively and integrally connected to the two coil lead-out terminals 51.
During manufacturing, firstly, a first strip part (shown in fig. 8) in which two first connecting sheets 61 and two auxiliary static contact leading-out terminals 52 are correspondingly connected into a whole is manufactured, and a second strip part (shown in fig. 10) in which two second connecting sheets 73 and two coil leading-out terminals 51 are correspondingly connected into a whole is manufactured, wherein the first strip part is provided with two connecting strips 81, so that two conducting strips (namely the first connecting sheets 61 and the auxiliary static contact leading-out terminals 52 are connected into a whole) are connected together, and the connecting strips 81 are adopted to facilitate injection molding on one hand and ensure that the conducting strips are not skewed in the assembling process on the other hand; similarly, the second tape member has two connecting tapes 82, so that the two conducting strips (i.e. the second connecting strip 73 and the coil leading-out terminal 51 are connected into a whole) are connected together, thereby facilitating injection molding; the first strip material is injection molded to form a second injection molded part 72, a third injection molded part 62 and a fourth injection molded part 63, wherein the third injection molded part 62 and the fourth injection molded part 63 are integrated (as shown in fig. 9); the second strip material is injection molded to form a first injection molded part 71 and a fifth injection molded part 74, wherein the first injection molded part 71 and the fifth injection molded part 74 are integrated (as shown in fig. 11); after assembly, the tape 81 and 82 need to be removed.
The invention relates to a compact high-voltage direct-current relay, which adopts the technical scheme that two coil leading-out terminals 51 and two auxiliary static contact leading-out terminals 52 are integrated side by side to form a connector 5 which is convenient to be matched with an external connecting piece 10, and an adapter piece 6 for connecting two auxiliary static contacts 22 is arranged; the winding terminal 43 is connected with a coil leading-out terminal 51 in the connector 5 through the PCB 41, and the auxiliary static contact 22 is connected with an auxiliary static contact leading-out terminal 52 in the connector 5 through the adaptor 6; the adaptor 6 is plate-shaped; the leading-out surfaces formed by the two coil leading-out terminals 51 and the two auxiliary fixed contact leading-out terminals 52 in parallel, the plate surface of the adapter piece 6 and the plate surface of the PCB 41 are designed to be positioned on three surfaces which are vertical to each other respectively. The structure of the invention can make the structure of the relay more compact and the internal components compactly distributed under the condition of meeting the requirements of high voltage and auxiliary contacts, thereby being beneficial to realizing the volume miniaturization of the relay product.
The compact high-voltage direct-current relay adopts the connector 5 which comprises a first injection molding part 71 for injection molding two coil leading-out terminals 51 together and a second injection molding part 72 for injection molding two auxiliary static contact leading-out terminals 22 together; the second injection molding part 72 is clamped on the first injection molding part 71, the two coil leading-out terminals 51 respectively penetrate out of the top surface of the first injection molding part 71, and the two auxiliary static contact leading-out terminals 52 respectively penetrate out of the side surface of the second injection molding part 72 and are bent upwards to enable the bent sections 521 of the auxiliary static contact leading-out terminals 52 to be parallel to the two coil leading-out terminals 51. The structure of the invention ensures that the connector has simple structure and is easy to assemble.
The compact high-voltage direct-current relay adopts the technical scheme that the adapter piece 6 is designed to comprise two first connecting pieces 61 and a third injection molding piece 62 for insulating and injecting the two first connecting pieces 61 together; the other ends of the two first connecting pieces 61 are respectively bent downwards from the top surface of the long side 31 of the ceramic cover 3 to the side surface of the long side 31 of the ceramic cover to be correspondingly connected with the two auxiliary static contact leading-out terminals 52 in the connector 5; and the other ends of the two first connecting pieces 61 are respectively and correspondingly connected with the two auxiliary fixed contact leading-out terminals 52 into a whole. According to the structure, the two first connecting sheets 61 and the two auxiliary static contact leading-out terminals 22 can be formed by injection molding after the belt materials are bent, so that the manufacturing process is simplified, low-voltage wiring of the auxiliary static contact parts is neat and compact, and the volume miniaturization of products is facilitated.
The compact high-voltage direct-current relay adopts the technical scheme that one end of each of two second connecting sheets 73 is connected with a PCB 41; the other ends of the two second connecting pieces 73 are bent upwards from the lower direction of the short side 32 of the ceramic cover 3 to the side surface of the long side 31 of the ceramic cover 3 and correspondingly connected with the two coil leading-out terminals 51; the two second connecting pieces 73 are further coated on a fifth injection molding piece 74, and the fifth injection molding piece 74 is L-shaped; the other ends of the two second connecting pieces 73 are integrally connected to the two coil lead-out terminals 51, respectively. According to the structure, the two second connecting sheets 73 and the two coil leading-out terminals 51 can be formed by bending and injection molding of the strip material, so that the manufacturing process is simplified, low-voltage wiring of the coil leading-out part is neat and compact, and the volume miniaturization of the product is facilitated.
The foregoing is considered as illustrative of the preferred embodiments of the invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or equivalent modifications, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.
Claims (10)
1. A compact high-voltage direct-current relay comprises a shell, a main fixed contact, an auxiliary fixed contact, a ceramic cover, a PCB and a coil rack; the ceramic cover and the coil rack are accommodated in the shell in a vertically distributed manner; the two main fixed contacts, the two auxiliary fixed contacts and the PCB are respectively arranged in the shell; the coil rack is provided with a winding terminal, and the winding terminal is connected with the PCB; the method is characterized in that: the relay also comprises a connector and an adapter piece, wherein the connector is used for integrating two coil leading-out terminals and two auxiliary static contact leading-out terminals together in parallel so as to be conveniently matched with an external connecting piece; the winding terminal is connected with a coil leading-out terminal in the connector through a PCB, and the auxiliary static contact is connected with an auxiliary static contact leading-out terminal in the connector through an adapter; the adapter is plate-shaped; the leading-out surfaces formed by the two coil leading-out terminals and the two auxiliary static contact leading-out terminals in parallel, the board surface of the adapter and the board surface of the PCB are respectively positioned on three surfaces which are vertical to each other, so that the compact distribution of internal components of the relay is realized.
2. The compact high-voltage direct current relay of claim 1, characterized in that: the ceramic cover is approximately rectangular, the coil rack is approximately circular, the projection of the edge of the flange of the coil rack on the horizontal plane protrudes out of the long edge of the rectangular shape of the ceramic cover, and the projection of the short edge of the rectangular shape of the ceramic cover on the horizontal plane projects the edge of the flange of the coil rack; the adapter is horizontally arranged on the top surface of the ceramic cover, the PCB is erected outside a flange of the coil rack below a short edge of the ceramic cover and is parallel to the side surface of the short edge of the ceramic cover, and a leading-out surface formed by the two coil leading-out terminals and the two auxiliary static contact leading-out terminals in parallel is erected outside a long edge of the ceramic cover above the coil rack and is parallel to the side surface of the long edge of the ceramic cover.
3. The compact high-voltage direct current relay of claim 2, characterized in that: the connector comprises a first injection molding piece and a second injection molding piece, wherein the first injection molding piece is used for injection molding two coil leading-out terminals together, and the second injection molding piece is used for injection molding two auxiliary static contact leading-out terminals together; the second injection molding piece is clamped on the first injection molding piece, the two coil leading-out terminals respectively penetrate out of the top surface of the first injection molding piece, and the two auxiliary static contact leading-out terminals respectively penetrate out of the side surface of the second injection molding piece and are bent upwards to enable the bending sections of the auxiliary static contact leading-out terminals to be parallel to the two coil leading-out terminals.
4. The compact high-voltage direct current relay of claim 3, characterized in that: and a first convex part is arranged on the first injection molding part, and the parts of the two auxiliary static contact leading-out terminals which penetrate out from the side surface of the second injection molding part are lapped on the first convex part.
5. The compact high-voltage direct current relay according to claim 4, characterized in that: the injection molding machine is characterized in that two second convex parts are further arranged on the first injection molding part, clamping grooves are respectively formed in two sides of the second injection molding part, and the clamping grooves in the two sides of the second injection molding part are clamped in the two second convex parts of the first injection molding part respectively, so that the second injection molding part is clamped on the first injection molding part.
6. The compact high-voltage direct current relay of claim 3, characterized in that: the adapter piece comprises two first connecting plates and a third injection molding piece for insulating and injecting the two first connecting plates together; the third injection molding piece is flatly arranged on the top surface of the ceramic cover, one ends of the two first connecting pieces are respectively arranged in two through holes of the third injection molding piece, and the two through holes of the third injection molding piece respectively correspond to the top ends of the two auxiliary static contacts, so that one ends of the two first connecting pieces can be respectively correspondingly connected with the two auxiliary static contacts; and the other ends of the two first connecting sheets are respectively bent downwards from the top surface of the long edge of the ceramic cover to the side surface of the long edge of the ceramic cover so as to be correspondingly connected with the leading-out terminals of the two auxiliary static contacts in the connector.
7. The compact high-voltage direct current relay according to claim 6, characterized in that: and the other ends of the two first connecting sheets are respectively and integrally connected with the two auxiliary static contact leading-out terminals correspondingly.
8. The compact high-voltage direct current relay according to claim 6, characterized in that: the parts, bent to the side faces of the long edges of the ceramic cover, of the two first connecting pieces are further coated with a fourth injection molding piece, and the fourth injection molding piece is plate-shaped and is parallel to the side faces of the long edges of the ceramic cover; the bottom end of the fourth injection molding piece is integrally connected with the second injection molding piece.
9. The compact high-voltage direct current relay of claim 3, characterized in that: the PCB is bent through two second connecting sheets and then is connected with two coil leading-out terminals in the connector; one end of each of the two second connecting sheets is connected with the PCB respectively; the other ends of the two second connecting sheets are bent upwards from the lower direction of the short edge of the ceramic cover to the side surface of the long edge of the ceramic cover and are correspondingly connected with the two coil leading-out terminals; the two second connecting sheets are further coated on a fifth injection molding piece, the fifth injection molding piece is L-shaped, and one end, far away from the PCB, of the fifth injection molding piece is integrally connected with the first injection molding piece.
10. The compact high-voltage direct current relay of claim 9, characterized in that: and the other ends of the two second connecting sheets are respectively and integrally connected with the two coil leading-out terminals correspondingly.
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| CN202010368542.XA CN111564338B (en) | 2020-05-01 | 2020-05-01 | Compact high-voltage direct-current relay |
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| CN202010368542.XA CN111564338B (en) | 2020-05-01 | 2020-05-01 | Compact high-voltage direct-current relay |
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| CN111564338B CN111564338B (en) | 2024-10-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542353A (en) * | 2020-11-16 | 2021-03-23 | 厦门宏发电力电器有限公司 | High-voltage direct-current relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677044A (en) * | 2008-09-19 | 2010-03-24 | 厦门金合捷投资控股有限公司 | High voltage DC vacuum relay with high reliability and long service life |
| CN110164737A (en) * | 2019-04-01 | 2019-08-23 | 厦门宏发电力电器有限公司 | A kind of auxiliary contact structure and the high voltage direct current relay with auxiliary contact |
| CN212032956U (en) * | 2020-05-01 | 2020-11-27 | 厦门宏发电力电器有限公司 | Compact high-voltage direct-current relay |
-
2020
- 2020-05-01 CN CN202010368542.XA patent/CN111564338B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101677044A (en) * | 2008-09-19 | 2010-03-24 | 厦门金合捷投资控股有限公司 | High voltage DC vacuum relay with high reliability and long service life |
| CN110164737A (en) * | 2019-04-01 | 2019-08-23 | 厦门宏发电力电器有限公司 | A kind of auxiliary contact structure and the high voltage direct current relay with auxiliary contact |
| CN212032956U (en) * | 2020-05-01 | 2020-11-27 | 厦门宏发电力电器有限公司 | Compact high-voltage direct-current relay |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542353A (en) * | 2020-11-16 | 2021-03-23 | 厦门宏发电力电器有限公司 | High-voltage direct-current relay |
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| CN111564338B (en) | 2024-10-18 |
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