CN108010801B - High-voltage pre-charging relay - Google Patents
High-voltage pre-charging relay Download PDFInfo
- Publication number
- CN108010801B CN108010801B CN201711268927.3A CN201711268927A CN108010801B CN 108010801 B CN108010801 B CN 108010801B CN 201711268927 A CN201711268927 A CN 201711268927A CN 108010801 B CN108010801 B CN 108010801B
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- relay
- mounting groove
- mounting
- main body
- base
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Classifications
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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
- H01H50/047—Details concerning mounting a relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
Abstract
The invention discloses a high-voltage pre-charging relay which comprises a relay main body, a base, an arc extinguishing chamber, a U-shaped magnetic conduction plate and two magnetic blocks, wherein the base is provided with a magnetic circuit board; the relay main body is inserted on the base; the arc extinguishing chamber is integrally formed on the base in a plastic forming mode; the arc extinguishing chamber is provided with two first mounting grooves which are opened along the lateral direction and face the relay main body for mounting the magnetic blocks, and a second mounting groove with an upward opening for mounting the U-shaped magnetic conduction plate; the two first mounting grooves are arranged in opposite directions; the dynamic and static contacts of the relay main body are in the range between the two magnetic blocks arranged in the first mounting groove, and the connecting line between the two magnetic blocks is perpendicular to the connecting line of the dynamic and static contacts. The invention can enhance the magnetic field intensity of the arc extinguishing chamber to improve the arc extinguishing effect; the pin structure of the U-shaped magnetic conduction plate can be removed, so that the structure is simplified; the novel plastic box has the characteristics of convenience in assembly, low manufacturing cost and capability of eliminating the defects of the prior art.
Description
Technical Field
The invention relates to the technical field of relays, in particular to a high-voltage pre-charging relay, which is applied to an electric automobile.
Background
The pre-charge management is an essential important link in the new energy automobile, and is mainly used for charging a large capacitor of a motor controller (namely an inverter) so as to reduce spark arcing when a main relay is closed, reduce current impact and improve the electrical durability of the main relay and the safety. The high-voltage pre-charging relay is conducted to electrify the capacitor at the initial stage of charging, the time is short, and when the capacitor is charged, the main relay is closed (at the moment, the pre-charging relay is opened), so that the capacitor is required to bear a certain load for a short time, and meanwhile, the capacitor plays a role in protecting the main relay.
The existing high-voltage relay is characterized in that a strong arc is generated when a contact is conducted due to high voltage, potential safety hazards are caused, contact burning loss is large, an arc extinguishing technology is needed, an arc extinguishing method of the high-voltage relay generally adopts vacuum or high-pressure gas filled in a closed environment, design and process assembly are complex, and because current and voltage are large, products are relatively large, materials and materials are wasted, cost is high, if the pre-charging relay is designed in the same way, cost is relatively high, therefore, considering the working characteristics of the pre-charging relay, how to design a simple and easy-to-realize arc extinguishing chamber structure, not only the arc extinguishing effect can be achieved, but also the manufacturing process can be simplified, the cost is reduced, and the technical problem to be solved in the field is solved.
The scheme of the arc-extinguishing chamber of the existing high-voltage pre-charging relay is mainly two, one scheme is that the arc-extinguishing chamber and the relay main body are designed into two independent bodies, and then the two independent bodies are combined; the other is to integrally injection mold the arc extinguishing chamber and the shell; whether the former or the latter, there are mainly the following drawbacks:
1. a layer of plastic is arranged between the relay main body and the magnetic block of the arc extinguishing chamber, the magnetic block is far away from the contact, the magnetic field strength is weak, and the arc extinguishing effect is poor;
2. the U-shaped magnetic conduction plate is required to be provided with a pin structure for being installed on the PCB, two corresponding positioning holes are reserved on the PCB, so that the whole arc extinguishing chamber is fixed when the relay is installed, and a soldering procedure is required when the relay is installed, so that the installation is complicated;
3. the U-shaped magnetic conduction plate and the magnetic block installed in the arc extinguishing chamber are provided with one surface exposed outside the relay, after the relay is required to be installed on the PCB, the free surface is fixed by the PCB, SO that the U-shaped magnetic conduction plate and the magnetic block are easy to be corroded and polluted by outside water, salt mist, harmful gas (such as SO2 and the like) and the performance is reduced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a high-voltage pre-charging relay which can enhance the magnetic field intensity of an arc extinguishing chamber to improve the arc extinguishing effect through structural improvement; on the other hand, the pin structure of the U-shaped magnetic conduction plate can be removed, so that the structure is simplified; the novel plastic box has the characteristics of convenience in assembly, low manufacturing cost and capability of eliminating the defects of the prior art.
The technical scheme adopted for solving the technical problems is as follows: a high-voltage pre-charging relay comprises a relay main body, a base, an arc extinguishing chamber, a U-shaped magnetic conduction plate and two magnetic blocks; the relay main body is inserted on the base; the arc extinguishing chamber is integrally formed on the base in a plastic forming mode; the arc extinguishing chamber is provided with two first mounting grooves which are opened along the lateral direction and face the relay main body for mounting the magnetic blocks, and a second mounting groove with an upward opening for mounting the U-shaped magnetic conduction plate; the two first mounting grooves are arranged in opposite directions; the dynamic and static contacts of the relay main body are in the range between the two magnetic blocks arranged in the first mounting groove, and the connecting line between the two magnetic blocks is perpendicular to the connecting line of the dynamic and static contacts.
The base comprises a bottom supporting part for supporting the relay main body, and the bottom supporting part is provided with an inserting hole for being matched with a leading-out pin of the relay main body; the two sides and the rear part of the bottom supporting part are provided with upwards protruding parts, the two first mounting grooves are formed in the protruding parts on the two sides of the bottom supporting part, the second mounting grooves are formed in the protruding parts on the two sides and the rear part of the bottom supporting part, and the first mounting grooves are located on the inner sides of the second mounting grooves.
The first mounting groove is communicated with the second mounting groove, so that the magnetic block mounted in the first mounting groove is contacted with the U-shaped magnetic conduction plate mounted in the second mounting groove.
The protruding portion at the rear part of the bottom supporting portion is also provided with a notch, so that the protruding height of the protruding portion at the rear part of the bottom supporting portion is lower than that of the protruding portions at the two sides of the bottom supporting portion.
Further, the relay device further comprises a housing, wherein the housing is arranged on the base and accommodates the base and the relay main body fixed on the base; the cover shell is provided with steps, and the steps of the cover shell are propped against the protruding parts on two sides of the bottom supporting part, so that the U-shaped magnetic conduction plate inserted into the second mounting groove is limited and fixed in the second mounting groove.
The magnetic block is fixed in the first mounting groove in an interference fit mode.
The cell wall of first mounting groove is equipped with the protruding muscle that can make magnetic path and first mounting groove interference fit, protruding muscle is the gradual bodiness along the direction of packing into of magnetic path.
The outer walls of the protruding parts on two sides of the bottom supporting part are also provided with through holes which can be led into the first mounting grooves, so that the magnetic blocks can be filled into the first mounting grooves from the through holes.
The opening of the first mounting groove is also provided with a retaining wall which can partially cover the opening.
The retaining wall is arranged at the position of the first mounting groove, which corresponds to the opening position provided with the convex rib, and is connected with the convex rib; the inner wall of the retaining wall is provided with a small groove at the joint with the convex rib, so that plastic scraps generated when the magnetic block is installed in the first installation groove in an interference mode are pushed into the small groove and are sealed.
Compared with the prior art, the invention has the beneficial effects that:
1. the arc extinguishing chamber is integrally formed on the base in a plastic forming mode; the arc extinguishing chamber is provided with two first mounting grooves which are opened along the lateral direction and face the relay main body for mounting the magnetic blocks, and a second mounting groove with an upward opening for mounting the U-shaped magnetic conduction plate; the two first mounting grooves are arranged in opposite directions; the dynamic and static contacts of the relay main body are in the range between the two magnetic blocks arranged in the first mounting groove, and the connecting line between the two magnetic blocks is perpendicular to the connecting line of the dynamic and static contacts. According to the structure, the arc extinguishing chamber is integrally formed on the base, vacuum treatment is not needed, the structure is simple, the cost is low, the magnetic block is arranged in the first mounting groove which faces the side opening of the relay main body, the magnetic block is close to the contact, the magnetic field intensity of the contact area is stronger, and the arc extinguishing effect is better.
2. The invention adopts the second installation groove with the upward opening for installing the U-shaped magnetic conduction plate, designs the housing with the steps, and presses the steps of the housing against the protruding parts on the two sides of the bottom supporting part, thereby limiting and fixing the U-shaped magnetic conduction plate inserted into the second installation groove in the second installation groove. The structure of the invention does not need to arrange a pin structure on the U-shaped magnetic conduction plate, thereby eliminating the defects that a positioning hole is required to be reserved on the PCB and a soldering tin procedure is required during installation; the relay installation is further simplified.
3. The retaining wall which can partially cover the opening is arranged at the opening of the first mounting groove, and the retaining wall is arranged at the position of the first mounting groove corresponding to the opening provided with the convex rib and is connected with the convex rib; the inner wall of the retaining wall is provided with a small groove at the joint with the convex rib, so that plastic scraps generated when the magnetic block is installed in the first installation groove in an interference mode are pushed into the small groove and are sealed. The structure of the invention can block the generated plastic scraps in the plastic piece, and prevent the plastic scraps from escaping to pollute other parts and the environment.
The invention is described in further detail below with reference to the drawings and examples; a high voltage precharge relay of the present invention is not limited to the embodiment.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the invention (without a housing);
FIG. 2 is a schematic perspective view of the invention (with the housing installed and the bottom up) in an embodiment;
fig. 3 is a schematic perspective view of a relay body according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a relay body of the present invention;
FIG. 5 is a schematic perspective view of a base of the present invention;
FIG. 6 is a schematic perspective view of a U-shaped magnetically permeable plate of the present invention;
FIG. 7 is a schematic diagram of the U-shaped magnetic conductive plate, base and magnetic block of the present invention;
FIG. 8 is a schematic perspective view of a housing of the present invention;
FIG. 9 is a schematic perspective view of the housing (flipped over an angle) of the present invention according to an embodiment;
FIG. 10 is a cross-sectional view of an embodiment of the present invention;
FIG. 11 is a schematic perspective view of a base of another embodiment of the present invention;
fig. 12 is a schematic perspective view of a base according to still another embodiment of the present invention.
Detailed Description
Examples
Referring to fig. 1 to 10, the high-voltage pre-charge relay of the invention comprises a relay main body 1, a base 2, an arc extinguishing chamber 3, a U-shaped magnetic conduction plate 4 and two magnetic blocks 5; the relay main body 1 is inserted on the base 2; the arc extinguishing chamber 3 is integrally formed on the base 2 in a plastic forming mode; the relay main body 1 comprises a dynamic contact 11, a coil (comprising a coil frame and an enameled wire) 12, an armature iron 13, a yoke iron 14, a dynamic spring 15, a lead-out pin (comprising a coil lead-out pin and a dynamic spring lead-out pin) 16 and other parts which are matched; the arc extinguishing chamber 3 has two first mounting grooves 31 which are open 311 sideways and face the relay body for mounting the magnet blocks 5, and a second mounting groove 32 which is open 321 upwards for mounting the U-shaped magnetic conductive plate 4, the second mounting groove 32 also being U-shaped for mounting the U-shaped magnetic conductive plate 4; the two first mounting grooves 31 are arranged opposite to each other; the movable and stationary contacts 11 of the relay body 1 are in a range between the two magnetic blocks 5 mounted in the first mounting groove 31, and a connecting line between the two magnetic blocks 5 is perpendicular to a connecting line of the movable and stationary contacts 11.
In this embodiment, the base 2 includes a bottom supporting portion 21 for supporting the relay body, and the bottom supporting portion 21 is provided with an insertion hole 211 for being matched with the lead-out pin of the relay body; the two sides of the bottom supporting part 21 are provided with upward protruding parts 22, the rear part of the bottom supporting part 21 is provided with upward protruding parts, the two first mounting grooves 31 are arranged at the protruding parts 22 on the two sides of the bottom supporting part, the second mounting grooves 32 are arranged at the protruding parts 22 on the two sides of the bottom supporting part and the protruding parts on the rear part, and the first mounting grooves 31 are arranged on the inner sides of the second mounting grooves 32.
In this embodiment, the first mounting groove 31 is communicated with the second mounting groove 32, so that the magnetic block 5 mounted in the first mounting groove can be contacted with the U-shaped magnetic conductive plate 4 mounted in the second mounting groove.
In this embodiment, the protruding portion at the rear portion of the bottom supporting portion is further provided with a notch 23, so that the protruding height of the protruding portion at the rear portion of the bottom supporting portion is lower than the protruding height of the protruding portions 22 at both sides of the bottom supporting portion. The design of the notch 23 can save materials and reduce cost on the premise of ensuring that the U-shaped magnetic conductive plate is arranged in the second mounting groove 32.
Further, the relay device further comprises a housing 6, wherein the housing 6 is arranged on the base 2 and accommodates the base 2 and the relay main body 1 fixed on the base; the cover 6 has a step 61, and the step 61 of the cover is pressed against the protruding portions 22 on both sides of the bottom support portion, so that the U-shaped magnetic conductive plate 4 inserted into the second mounting groove 32 is restrained and fixed in the second mounting groove 32.
According to the high-voltage pre-charging relay, the magnetic block 5 is fixed in the first mounting groove 31 in an interference fit mode.
In this embodiment, the groove wall of the first mounting groove 31 is provided with a protruding rib 33 that can make the magnetic block 5 and the first mounting groove 31 in interference fit, and the protruding rib 33 gradually thickens along the loading direction of the magnetic block. Of course, instead of the bead, other structures may be adopted, for example, as shown in fig. 12, the bump 34 may be provided in the first mounting groove 31 to function as the bead.
In this embodiment, the outer walls of the protruding parts 22 on both sides of the bottom support part are further provided with a through hole 24 that can be led into the first mounting groove 31, so that the magnetic block 5 can be mounted into the first mounting groove 31 from the through hole 24. The through opening 24 also communicates with the second mounting groove 32.
In this embodiment, a retaining wall 35 that can partially cover the opening is further installed at the opening 311 of the first mounting groove 31.
In this embodiment, the magnetic block 5 is fixed by six faces, and since one side of the first mounting groove 31 is provided with an opening, the other side is connected with a port, only four faces are used for fixing the magnetic block 5, the other face corresponding to the magnetic block 5 is a U-shaped magnetic conductive plate, and the last face corresponding to the magnetic block 5 is a blocking wall and a relay main body at the opening of the first mounting groove. The provision of ribs in the first mounting groove 31 has, in addition to the interference effect, the following effect: after the magnetic blocks are installed, the magnetic blocks are prevented from moving sideways when the U-shaped magnetic guide plates are installed, and the U-shaped magnetic guide plates are prevented from being installed from top to bottom.
In this embodiment, the retaining wall 35 is disposed at the position of the first mounting groove 31 corresponding to the opening where the rib is disposed and is connected to the rib 33; a small groove 351 is provided in the inner wall of the retaining wall 35 at the connection with the bead for pushing and closing the plastic chips generated when the magnet 5 is interference-fitted into the first mounting groove 31 into the small groove 351.
Of course, the base may not be provided with a retaining wall, as shown in fig. 11. The retaining wall 35 has the advantages that the magnetic block 5 can be limited, and plastic scraps generated when the magnetic block 5 is in interference fit into the first mounting groove 31 can be pushed into the small groove 351 and sealed.
According to the high-voltage pre-charging relay, the arc extinguishing chamber 3 is integrally formed on the base 2 in a plastic forming mode; the arc extinguishing chamber 3 is provided with two first mounting grooves 31 which are open along the lateral direction and face the relay main body for mounting the magnetic blocks 5, and a second mounting groove 32 which is upward open and is used for mounting the U-shaped magnetic conduction plate 4; the two first mounting grooves 31 are arranged opposite to each other; the moving and static contacts 11 of the relay body are in a range between the two magnetic blocks 5 mounted in the first mounting groove 31, and a connecting line between the two magnetic blocks 5 is perpendicular to a connecting line of the moving and static contacts 11. According to the structure, the arc extinguishing chamber 3 is integrally formed on the base 2, vacuum treatment is not needed, the structure is simple, the cost is low, the magnetic block 5 is arranged in the first mounting groove 31 which is open towards the side of the relay main body, the magnetic block is close to a contact, the magnetic field intensity of a contact area is stronger, and the arc extinguishing effect is better.
The invention relates to a high-voltage pre-charging relay, which adopts a second mounting groove 32 with an upward opening for mounting a U-shaped magnetic conduction plate 4, and designs a housing 6 with a step 61, and the step 61 of the housing is used for pressing against the protruding parts 22 on two sides of the bottom supporting part, so that the U-shaped magnetic conduction plate 4 inserted into the second mounting groove 32 is limited and fixed in the second mounting groove 32. According to the structure, a pin structure (the pin structure is required to be arranged in the prior art) is not required to be arranged on the U-shaped magnetic conduction plate 4, the defects that a positioning hole is required to be reserved in a PCB and a soldering tin procedure is required to be carried out during installation are overcome, the magnetic blocks 5 and the U-shaped magnetic conduction plate 6 are completely wrapped in the relay, the defects caused by the fact that the U-shaped magnetic conduction plate and the magnetic blocks are exposed before the PCB is assembled in the prior art are overcome, the structure of the U-shaped magnetic conduction plate is simplified, the material utilization rate is high during production, and the cost is more advantageous; the relay installation is further simplified.
The invention relates to a high-voltage pre-charging relay, which is characterized in that a retaining wall 35 capable of partially shielding an opening 311 of a first mounting groove is also arranged at the opening, and the retaining wall 35 is arranged at the position of the first mounting groove corresponding to the opening provided with a convex rib and is connected with the convex rib 33; in the inner wall of the retaining wall 35, a small groove 351 is provided at the connection with the bead for pushing and closing the plastic dust generated when the magnet is interference-fitted into the first mounting groove into the small groove 351. The structure of the invention can block the generated plastic scraps in the plastic piece, and prevent the plastic scraps from escaping to pollute other parts and the environment.
The foregoing is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or be modified to equivalent embodiments, without departing from the scope of the technology. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention shall fall within the scope of the technical solution of the present invention.
Claims (10)
1. A high-voltage pre-charging relay comprises a relay main body, a base, an arc extinguishing chamber, a U-shaped magnetic conduction plate and two magnetic blocks; the relay main body is inserted on the base; the method is characterized in that: the arc extinguishing chamber is integrally formed on the base in a plastic forming mode; the arc extinguishing chamber is provided with two first mounting grooves which are opened along the lateral direction and face the relay main body for mounting the magnetic blocks, and a second mounting groove with an upward opening for mounting the U-shaped magnetic conduction plate; the two first mounting grooves are arranged in opposite directions; the dynamic and static contacts of the relay main body are in the range between the two magnetic blocks arranged in the first mounting groove, and the connecting line between the two magnetic blocks is perpendicular to the connecting line of the dynamic and static contacts; the base comprises a bottom supporting part used for supporting the relay main body, two sides and the rear part of the bottom supporting part are provided with upward protruding parts, two first mounting grooves are formed in protruding parts on two sides of the bottom supporting part, second mounting grooves are formed in protruding parts on two sides and the rear part of the bottom supporting part, and the first mounting grooves are located on the inner sides of the second mounting grooves.
2. The high voltage precharge relay of claim 1, wherein: the bottom support portion is provided with an insertion hole for being matched with the leading-out pins of the relay main body.
3. The high voltage precharge relay of claim 2, wherein: the first mounting groove is communicated with the second mounting groove, so that the magnetic block mounted in the first mounting groove is contacted with the U-shaped magnetic conduction plate mounted in the second mounting groove.
4. The high voltage precharge relay of claim 2, wherein: the protruding portion at the rear part of the bottom supporting portion is also provided with a notch, so that the protruding height of the protruding portion at the rear part of the bottom supporting portion is lower than that of the protruding portions at the two sides of the bottom supporting portion.
5. The high voltage precharge relay of claim 2, wherein: further, the relay device further comprises a housing, wherein the housing is arranged on the base and accommodates the base and the relay main body fixed on the base; the cover shell is provided with steps, and the steps of the cover shell are propped against the protruding parts on two sides of the bottom supporting part, so that the U-shaped magnetic conduction plate inserted into the second mounting groove is limited and fixed in the second mounting groove.
6. The high voltage precharge relay of claim 2, wherein: the magnetic block is fixed in the first mounting groove in an interference fit mode.
7. The high voltage precharge relay of claim 6, wherein: the cell wall of first mounting groove is equipped with the protruding muscle that can make magnetic path and first mounting groove interference fit, protruding muscle is the gradual bodiness along the direction of packing into of magnetic path.
8. The high voltage precharge relay of claim 7, wherein: the outer walls of the protruding parts on two sides of the bottom supporting part are also provided with through holes which can be led into the first mounting grooves, so that the magnetic blocks can be filled into the first mounting grooves from the through holes.
9. The high voltage precharge relay of claim 7, wherein: the opening of the first mounting groove is also provided with a retaining wall which can partially cover the opening.
10. The high voltage precharge relay of claim 9, wherein: the retaining wall is arranged at the position of the first mounting groove, which corresponds to the opening position provided with the convex rib, and is connected with the convex rib; the inner wall of the retaining wall is provided with a small groove at the joint with the convex rib, so that plastic scraps generated when the magnetic block is installed in the first installation groove in an interference mode are pushed into the small groove and are sealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268927.3A CN108010801B (en) | 2017-12-05 | 2017-12-05 | High-voltage pre-charging relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268927.3A CN108010801B (en) | 2017-12-05 | 2017-12-05 | High-voltage pre-charging relay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108010801A CN108010801A (en) | 2018-05-08 |
| CN108010801B true CN108010801B (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268927.3A Active CN108010801B (en) | 2017-12-05 | 2017-12-05 | High-voltage pre-charging relay |
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| Country | Link |
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| CN (1) | CN108010801B (en) |
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| DE10324747A1 (en) * | 2002-06-10 | 2004-01-08 | Tyco Electronics Amp Gmbh | Switching relay with improved load current control e.g. for use in vehicles, has magnet system protected by suitable spatial feeding and arrangement and/or screening of load current conductors against their own magnetic fields |
| DE202010010982U1 (en) * | 2010-07-26 | 2010-10-21 | Song Chuan Precision Co., Ltd., Shulin City | The relay |
| CN102426989A (en) * | 2011-11-16 | 2012-04-25 | 厦门宏发汽车电子有限公司 | Fall-resisting electromagnetic relay |
| EP2924704A1 (en) * | 2014-03-28 | 2015-09-30 | Fujitsu Component Limited | Electromagnetic relay |
| CN105304414A (en) * | 2014-07-28 | 2016-02-03 | 富士通电子零件有限公司 | Electromagnetic relay |
| CN106158458A (en) * | 2016-08-11 | 2016-11-23 | 上海沪工汽车电器有限公司 | A kind of electric automobile high-voltage pre-charge-relay |
| CN106981398A (en) * | 2016-11-24 | 2017-07-25 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with spacer |
| CN107275153A (en) * | 2017-07-25 | 2017-10-20 | 浙江美硕电气科技股份有限公司 | A kind of magnetic circuit fixing device |
| CN206619552U (en) * | 2017-03-28 | 2017-11-07 | 厦门宏发电声股份有限公司 | Power is electrically isolated and is easy to implement the relay of Automated assembly |
| CN207690724U (en) * | 2017-12-05 | 2018-08-03 | 厦门宏发汽车电子有限公司 | High pressure pre-charge-relay |
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2017
- 2017-12-05 CN CN201711268927.3A patent/CN108010801B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10324747A1 (en) * | 2002-06-10 | 2004-01-08 | Tyco Electronics Amp Gmbh | Switching relay with improved load current control e.g. for use in vehicles, has magnet system protected by suitable spatial feeding and arrangement and/or screening of load current conductors against their own magnetic fields |
| DE202010010982U1 (en) * | 2010-07-26 | 2010-10-21 | Song Chuan Precision Co., Ltd., Shulin City | The relay |
| CN102426989A (en) * | 2011-11-16 | 2012-04-25 | 厦门宏发汽车电子有限公司 | Fall-resisting electromagnetic relay |
| EP2924704A1 (en) * | 2014-03-28 | 2015-09-30 | Fujitsu Component Limited | Electromagnetic relay |
| CN105304414A (en) * | 2014-07-28 | 2016-02-03 | 富士通电子零件有限公司 | Electromagnetic relay |
| CN106158458A (en) * | 2016-08-11 | 2016-11-23 | 上海沪工汽车电器有限公司 | A kind of electric automobile high-voltage pre-charge-relay |
| CN106981398A (en) * | 2016-11-24 | 2017-07-25 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with spacer |
| CN206619552U (en) * | 2017-03-28 | 2017-11-07 | 厦门宏发电声股份有限公司 | Power is electrically isolated and is easy to implement the relay of Automated assembly |
| CN107275153A (en) * | 2017-07-25 | 2017-10-20 | 浙江美硕电气科技股份有限公司 | A kind of magnetic circuit fixing device |
| CN207690724U (en) * | 2017-12-05 | 2018-08-03 | 厦门宏发汽车电子有限公司 | High pressure pre-charge-relay |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108010801A (en) | 2018-05-08 |
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