CN108010801A - A kind of high pressure pre-charge-relay - Google Patents
A kind of high pressure pre-charge-relay Download PDFInfo
- Publication number
- CN108010801A CN108010801A CN201711268927.3A CN201711268927A CN108010801A CN 108010801 A CN108010801 A CN 108010801A CN 201711268927 A CN201711268927 A CN 201711268927A CN 108010801 A CN108010801 A CN 108010801A
- Authority
- CN
- China
- Prior art keywords
- mounting groove
- relay
- magnetic patch
- main body
- high pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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 kind of high pressure pre-charge-relay, including relay main body, base, arc-chutes, U-shaped magnetic conductive board and two magnetic patch；The relay main body is inserted on base；The arc-chutes are integrally formed on base using plastic shaping mode；The arc-chutes have two along lateral openings and towards the relay main body the first mounting groove with for installing the magnetic patch, and also there is the second mounting groove of an opening upwards with for installing the U-shaped magnetic conductive board；Described two first mounting grooves are oppositely arranged；The sound contact of relay main body is between two magnetic patch for being installed on the first mounting groove, and line between two magnetic patch and the line of sound contact are perpendicular.The present invention can both strengthen the magnetic field intensity of arc-chutes, to improve arc quenching effect；The pin configuration of U-shaped magnetic conductive board can be removed again, to simplify structure；And there is easy to assembly, low manufacture cost, and the characteristics of prior art drawback can be eliminated.
Description
Technical field
The present invention relates to relay technical field, more particularly to a kind of high pressure pre-charge-relay, such as applied to electricity
Electrical automobile.
Background technology
It is essential important step in new-energy automobile to be pre-charged management, its main function is to electric machine controller
The bulky capacitor of (i.e. inverter) charges, and to reduce spark arcing when main relay closes, rush of current is reduced, to improve master
The electrical endurance ability and increase security of relay.High pressure pre-charge-relay is turned on when charging initial and is powered to capacitance,
Time is very short, then main relay closure (the preliminary filling relay disconnection at this time) after capacitance charging complete, therefore it is to bear in short-term to require
Certain load, while a protective effect is played to main relay.
Existing high-voltage relay, due to high pressure, contact often produces stronger electric arc when turning on, and it is hidden to cause safety
Suffer from, and pitting of contacts is big, it is necessary to which using arc extinguishing technology, and the arc extinguishing method of high-voltage relay generally uses vacuum under closed environment
Or filled with gases at high pressure, design and technique assembling are complex, and since electric current, voltage are larger, product is relatively also larger, takes material
Fei Cai, of high cost, if pre-charge-relay also designs like this, cost is also relatively high, accordingly, it is considered to arrive precharge relay
The work characteristics of device, the arc quenching chamber structure for how to design a kind of simplicity, easily realizing, can reach the effect of arc extinguishing and simplify
Manufacture craft, reduces cost, becomes urgent technical problem to be solved in the field.
The arc-chutes scheme of existing high pressure pre-charge-relay mainly has two kinds, and one kind is by arc-chutes and relay master
Body is designed to two separate components, and then two separate components combine again；Another kind is by arc-chutes and shell integrated injection molding
Shaping；Either the former or the latter, are primarily present following drawback：
1st, also across one layer of plastics between relay main body and the magnetic patch of arc-chutes, magnetic patch is remote from contact, and magnetic field intensity is weak,
Arc quenching effect is poor；
2nd, U-shaped magnetic conductive board needs to set pin configuration to be used for being installed on pcb board, it is also desirable to be reserved on pcb board
Corresponding two location holes, to fix whole arc-chutes when installing relay, and when mounted, have also needed scolding tin process,
Cause the cumbersome of installation；
3rd, U-shaped magnetic conductive board, the magnetic patch for being installed on arc-chutes are that have one side to be exposed at outside relay, it is necessary to which relay is installed
After on pcb board, the scope of freedom is fixed by pcb board, causes U-shaped magnetic conductive board and magnetic patch easily by extraneous aqueous vapor, salt fog, be harmful to
The institute such as gas (such as SO2 etc.) burn into pollutes and makes hydraulic performance decline.
The content of the invention
It is an object of the invention to overcome the deficiency of the prior art, there is provided a kind of high pressure pre-charge-relay, passes through structure
Improve, on the one hand, the magnetic field intensity of arc-chutes can be strengthened, to improve arc quenching effect；On the other hand, U-shaped magnetic conductive board can be removed
Pin configuration, to simplify structure；And there is easy to assembly, low manufacture cost, and the spy of prior art drawback can be eliminated
Point.
The technical solution adopted by the present invention to solve the technical problems is：A kind of high pressure pre-charge-relay, including relay
Device main body, base, arc-chutes, U-shaped magnetic conductive board and two magnetic patch；The relay main body is inserted on base；The arc-chutes
It is integrally formed using plastic shaping mode on base；The arc-chutes have two along lateral openings and towards the relay
First mounting groove of main body is with for installing the magnetic patch, and also has the second mounting groove of an opening upwards with for pacifying
Fill the U-shaped magnetic conductive board；Described two first mounting grooves are oppositely arranged；The sound contact of relay main body, which is in, is installed on first
Between two magnetic patch of mounting groove, and line between two magnetic patch and the line of sound contact are perpendicular.
The base includes being used for the bottom supporting part for supporting the relay main body, and the bottom supporting part, which is equipped with, to be used for coordinating
In the jack of the extraction pin of relay main body；The both sides and rear portion of the bottom supporting part are equipped with convex extending portion, described two
First mounting groove is located at the convex extension part on the both sides of bottom supporting part, and second mounting groove is located at the both sides and rear portion of bottom supporting part
Convex extension part at, and the first mounting groove is in the inner side of the second mounting groove.
First mounting groove is connected with the second mounting groove, and the magnetic patch for making to be installed on the first mounting groove is with being installed on second
The U-shaped magnetic conductive board of mounting groove is in contact.
In the convex extension part at the rear portion of the bottom supporting part notch is additionally provided with, the rear portion convex extension part of bottom supporting part is protruded out height
Degree protrudes out height less than the both sides convex extension part of bottom supporting part.
Further, further include case, the case on base and by the base and its be fixed on base after
Electric appliance main body is accommodated in the inner；The case has step, and the step of case is pressed on the convex extension part on the both sides of the bottom supporting part
On, so that the U-shaped magnetic conductive board for being inserted into second mounting groove is spacing and be fixed in second mounting groove.
The magnetic patch is fixed in first mounting groove by interference fit type.
The cell wall of first mounting groove, which is equipped with, can make magnetic patch and the first matched convex ribs of mounting groove interference, described convex
Muscle is in thicken gradually along the loading direction of magnetic patch.
The outer wall of the convex extension part on the both sides of the bottom supporting part is additionally provided with the port that can be passed through first mounting groove, from
And magnetic patch can be enabled to be fitted into from the port in the first mounting groove.
The opening of first mounting groove is also equipped with partly covering the barricade of the opening.
The barricade is located at corresponding at the aperture position equipped with convex ribs and being connected with convex ribs for the first mounting groove；Barricade
Inner wall in, be equipped with little groove with convex ribs connection, with for will magnetic patch interference load the first mounting groove caused by modeling
In material bits push-in little groove and closed.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, the present invention is integrally formed on base as a result of arc-chutes using plastic shaping mode；And arc-chutes have
Two along lateral openings and towards the relay main body the first mounting groove with for installing the magnetic patch, and also have one
Second mounting groove of a opening upwards is with for installing the U-shaped magnetic conductive board；Described two first mounting grooves are oppositely arranged；Relay
The sound contact of device main body is between two magnetic patch for being installed on the first mounting groove, and the company between two magnetic patch
Line and the line of sound contact are perpendicular.This structure of the present invention, arc-chutes are integrally formed on base, at vacuum
Reason, simple in structure, cost is relatively low, and magnetic patch is mounted in towards in the first mounting groove of relay main body side opening, and magnetic patch is near from contact,
The magnetic field intensity of contact region is stronger, and arc quenching effect is more preferably.
2nd, the present invention is as a result of setting the second mounting groove of opening upwards with for installing U-shaped magnetic conductive board, and designs
One has the case of step, on the convex extension part on the both sides that the bottom supporting part is pressed on the step of case, so that institute will be inserted into
The U-shaped magnetic conductive board for stating the second mounting groove is spacing and be fixed in second mounting groove.This structure of the present invention, without in U
Pin configuration is set on shape magnetic conductive board, eliminating needs need to have the drawbacks of scolding tin process when reserved location hole and installation on pcb board,
The structure also causes magnetic patch, U-shaped magnetic conductive board to be completely wrapped in inside relay, eliminates pcb board assembling of the prior art
The drawbacks of caused by preceding U-shaped magnetic conductive board and magnetic patch are exposed, making simplifying the structure for U-shaped magnetic conductive board, stock utilization is high during production,
Cost has more advantage；Relay installation further simplifies.
3rd, the present invention is also equipped with partly covering the gear of the opening as a result of the opening in the first mounting groove
Wall, barricade are located at corresponding at the aperture position equipped with convex ribs and being connected with convex ribs for the first mounting groove；In the inner wall of barricade,
Little groove is being equipped with convex ribs connection, with small for magnetic patch interference is loaded plastics bits push-in caused by the first mounting groove
In groove and closed.This structure of the present invention, the plastics of generation can be considered to be worth doing and contained in plastic part, avoid it from running out of
Pollute other parts and local environment.
The present invention is described in further detail with reference to the accompanying drawings and embodiments；A kind of but high pressure precharge of the present invention
Relay is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the D structure schematic diagram of embodiment (without case) of the invention；
Fig. 2 is the D structure schematic diagram of embodiment (case being housed, bottom-up) of the invention；
Fig. 3 is the D structure schematic diagram of the relay main body of the embodiment present invention；
Fig. 4 is the sectional view of the relay main body of the embodiment present invention；
Fig. 5 is the D structure schematic diagram of the base of the embodiment present invention；
Fig. 6 is the D structure schematic diagram of the U-shaped magnetic conductive board of the embodiment present invention；
Fig. 7 is the matched schematic diagram of U-shaped magnetic conductive board, base, magnetic patch of the embodiment present invention；
Fig. 8 is the D structure schematic diagram of the case of the embodiment present invention；
Fig. 9 is the D structure schematic diagram of the case (one angle of upset) of the embodiment present invention；
Figure 10 is the sectional view of the embodiment present invention；
Figure 11 is the D structure schematic diagram of the base of another embodiment of the present invention；
Figure 12 is the D structure schematic diagram of the base of another embodiment of the present invention.
Embodiment
Embodiment
Referring to shown in Fig. 1 to Figure 10, a kind of high pressure pre-charge-relay of the invention, including relay main body 1, base 2,
Arc-chutes 3, U-shaped magnetic conductive board 4 and two magnetic patch 5；The relay main body 1 is inserted on base 2；The arc-chutes 3 are using modeling
Material molding mode is integrally formed on base 2；Relay main body 1 includes matched sound contact 11, coil (includes bobbin
And enameled wire) 12, armature 13, yoke 14, movable contact spring 15 and leading foot (including coil leading foot, dynamic and static spring leading foot) 16 etc.
Component；The arc-chutes 3 have two along lateral openings 311 and towards the relay main body the first mounting groove 31 with for
The magnetic patch 5 is installed, and also there are the second upward mounting grooves 32 of an opening 321 with for installing the U-shaped magnetic conductive board
4, the second mounting groove 32 is also U-shaped in order to loading U-shaped magnetic conductive board 4；Described two first mounting grooves 31 are oppositely arranged；Relay
The sound contact 11 of main body 1 is between two magnetic patch 5 for being installed on the first mounting groove 31, and two magnetic patch 5 it
Between line and the line of sound contact 11 it is perpendicular.
In the present embodiment, the base 2 includes being used for the bottom supporting part 21 for supporting the relay main body, the bottom support
Portion 21 is equipped with the jack 211 for being used for the extraction pin for being matched with relay main body；The both sides of the bottom supporting part 21 are equipped with upward
Convex extension part 22, the rear portion of bottom supporting part 21 are equipped with convex extending portion, and described two first mounting grooves 31 are located at the two of bottom supporting part
At the convex extension part 22 on side, second mounting groove 32 is located at the convex extension part 22 on the both sides of bottom supporting part and the convex extension part at rear portion,
And first mounting groove 31 be in the inner side of the second mounting groove 32.
In the present embodiment, first mounting groove 31 is connected with the second mounting groove 32, makes to be installed on the first mounting groove
Magnetic patch 5 can be in contact with being installed on the U-shaped magnetic conductive board 4 of the second mounting groove.
In the present embodiment, notch 23 is additionally provided with the convex extension part at the rear portion of the bottom supporting part, makes the rear portion of bottom supporting part
The height that protrudes out of convex extension part protrudes out height less than the both sides convex extension part 22 of bottom supporting part.The design of notch 23 can ensure U
On the premise of shape magnetic conductive board is fitted into the second mounting groove 32, material is saved, reduces cost.
Further, case 6 is further included, the case 6 on base 2 and by the base 2 and its is fixed on base
Relay main body 1 be accommodated in the inner；The case 6 has step 61, and the step 61 of case is pressed on the two of the bottom supporting part
On the convex extension part 22 on side, thus by the U-shaped magnetic conductive board 4 for being inserted into second mounting groove 32 it is spacing and be fixed on it is described second installation
In groove 32.
A kind of high pressure pre-charge-relay of the present invention, magnetic patch 5 are fixed on first installation by interference fit type
In groove 31.
In the present embodiment, the cell wall of first mounting groove 31, which is equipped with, can make magnetic patch 5 and 31 interference phase of the first mounting groove
The convex ribs 33 of cooperation, the convex ribs 33 are in thicken gradually along the loading direction of magnetic patch.It is of course also possible to be not use convex ribs,
And other structures are used, such as, as shown in figure 12, set salient point 34 to play in the first mounting groove 31 identical with convex ribs
Effect.
In the present embodiment, the outer wall of the convex extension part 22 on the both sides of the bottom supporting part, which is additionally provided with, can be passed through first peace
The port 24 of tankage 31, so that magnetic patch 5 can be fitted into the first mounting groove 31 from the port 24.The port 24 is also same
The second mounting grooves of Shi Liantong 32.
In the present embodiment, it is also equipped with partly covering the gear of the opening at the opening 311 of first mounting groove 31
Wall 35.
In the present embodiment, magnetic patch 5 is to realize fixation by six faces, and the first mounting groove 31 is since side is equipped with opening, separately
Side connects port, and only four faces are used for fixing magnetic patch 5, and the another side corresponding to magnetic patch 5 is U-shaped magnetic conductive board, magnetic patch 5 pair
What is answered is simultaneously finally the shelves wall and relay main body of the first mounting groove opening.Set rib except mistake in the first mounting groove 31
The effect of being full of is outer, also has an effect to be：After magnetic patch loads, prevent magnetic patch side from shifting when filling U-shaped magnetic conductive board, hinder U-shaped magnetic conductive board
Load from top to bottom.
In the present embodiment, the barricade 35 be located at the first mounting groove 31 correspond to equipped with convex ribs aperture position at and with
Convex ribs 33 are connected；In the inner wall of barricade 35, little groove 351 is being equipped with convex ribs connection, with for by 5 interference of magnetic patch fill
In the plastics bits push-in little groove 351 of generation when entering the first mounting groove 31 and closed.
Certainly, base can not also set barricade, as shown in figure 11.Set barricade 35 benefit be can to magnetic patch 5 into
Row is spacing, and the plastics bits of generation when can 5 interference of magnetic patch be fitted into the first mounting groove 31 are pushed into little groove 351 and give
With closing.
A kind of high pressure pre-charge-relay of the present invention, arc-chutes 3 are integrally formed in base 2 using plastic shaping mode
On；And arc-chutes 3 have two along lateral openings and towards the relay main body the first mounting groove 31 with for installing
State magnetic patch 5, and also there is the second mounting groove 32 of an opening upwards with for installing the U-shaped magnetic conductive board 4；It is described two
First mounting groove 31 is oppositely arranged；The sound contact 11 of relay main body is in two magnetic patch 5 for being installed on the first mounting groove 31
Between, and line between two magnetic patch 5 and the line of sound contact 11 are perpendicular.This structure of the present invention,
Arc-chutes 3 are integrally formed on base 2, and simple in structure without application of vacuum, cost is relatively low, and magnetic patch 5 is mounted in towards relay master
In first mounting groove 31 of side opening, magnetic patch is near from contact, and the magnetic field intensity of contact region is stronger, and arc quenching effect is more preferably.
A kind of high pressure pre-charge-relay of the present invention, employs and sets the second mounting groove 32 of opening upwards with for pacifying
U-shaped magnetic conductive board 4 is filled, and designs one there is the case 6 of step 61, the both sides of the bottom supporting part are pressed on the step 61 of case
Convex extension part 22 on so that the U-shaped magnetic conductive board 4 for being inserted into second mounting groove 32 is spacing and be fixed on second mounting groove
In 32.This structure of the present invention, without setting pin configuration (prior art need to set pin configuration) on U-shaped magnetic conductive board 4,
Eliminating needs need to have the drawbacks of scolding tin process when reserved location hole and installation on pcb board, which also causes magnetic patch 5, U-shaped to lead
Magnetic sheet 6 is completely wrapped in inside relay, and it is exposed to eliminate U-shaped magnetic conductive board and magnetic patch before pcb board of the prior art assembles
The drawbacks of caused, make simplifying the structure for U-shaped magnetic conductive board, stock utilization is high during production, and cost has more advantage；Relay is pacified
Dress further simplifies.
A kind of high pressure pre-charge-relay of the present invention, employs that be also equipped with the opening 311 of the first mounting groove can
Part covers the barricade 35 of the opening, barricade 35 be located at the first mounting groove correspond at the aperture position equipped with convex ribs and with
Convex ribs 33 are connected；In the inner wall of barricade 35, little groove 351 is being equipped with convex ribs connection, with for magnetic patch interference is filled
Enter in plastics bits push-in little groove 351 caused by the first mounting groove and closed.This structure of the present invention, will can produce
Raw plastics bits are contained in plastic part, avoid it from running out of pollution other parts and local environment.
Above-mentioned simply presently preferred embodiments of the present invention, not makees the present invention limitation in any form.It is although of the invention
It is disclosed above with preferred embodiment, but it is not limited to the present invention.Any those skilled in the art, are not taking off
In the case of from technical solution of the present invention scope, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
More possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, it is every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modifications, equivalents, and modifications made for any of the above embodiments, should all fall
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of high pressure pre-charge-relay, including relay main body, base, arc-chutes, U-shaped magnetic conductive board and two magnetic patch；Institute
Relay main body is stated to be inserted on base；It is characterized in that：The arc-chutes are integrally formed in base using plastic shaping mode
On；The arc-chutes have two along lateral openings and towards the relay main body the first mounting groove with described for installing
Magnetic patch, and also there is the second mounting groove of opening upwards with for installing the U-shaped magnetic conductive board；Described two first peaces
Tankage is oppositely arranged；The sound contact of relay main body is between two magnetic patch for being installed on the first mounting groove,
And line between two magnetic patch and the line of sound contact are perpendicular.
2. high pressure pre-charge-relay according to claim 1, it is characterised in that：The base includes being used for supporting described
The bottom supporting part of relay main body, the bottom supporting part are equipped with the jack for being used for the extraction pin for being matched with relay main body；Institute
The both sides and rear portion for stating bottom supporting part are equipped with convex extending portion, and described two first mounting grooves are located at the convex of the both sides of bottom supporting part
At extending portion, second mounting groove is located at the both sides of bottom supporting part and the convex extension part at rear portion, and the first mounting groove is in second
The inner side of mounting groove.
3. high pressure pre-charge-relay according to claim 2, it is characterised in that：First mounting groove and the second installation
Groove is connected, and the magnetic patch for making to be installed on the first mounting groove is in contact with being installed on the U-shaped magnetic conductive board of the second mounting groove.
4. high pressure pre-charge-relay according to claim 2, it is characterised in that：The rear portion of the bottom supporting part protrudes out
Notch is additionally provided with portion, the height that protrudes out of the rear portion convex extension part of bottom supporting part is protruded out less than the both sides convex extension part of bottom supporting part
Highly.
5. high pressure pre-charge-relay according to claim 2, it is characterised in that：Further, case is further included, it is described
Case on the base and by the base and its is fixed on the relay main body of base and is accommodated in the inner；The case has platform
Rank, the step of case is pressed on the convex extension part on the both sides of the bottom supporting part, so that the U-shaped that will be inserted into second mounting groove
Magnetic conductive board is spacing and is fixed in second mounting groove.
6. high pressure pre-charge-relay according to claim 2, it is characterised in that：The magnetic patch passes through interference fit type
It is fixed in first mounting groove.
7. high pressure pre-charge-relay according to claim 6, it is characterised in that：The cell wall of first mounting groove is equipped with
It can make magnetic patch and the first matched convex ribs of mounting groove interference, the convex ribs are in thicken gradually along the loading direction of magnetic patch.
8. high pressure pre-charge-relay according to claim 7, it is characterised in that：The both sides of the bottom supporting part protrude out
The outer wall in portion is additionally provided with the port that can be passed through first mounting groove, so that magnetic patch can load the from the port
In one mounting groove.
9. high pressure pre-charge-relay according to claim 7, it is characterised in that：The opening of first mounting groove is also
Equipped with the barricade that can partly cover the opening.
10. high pressure pre-charge-relay according to claim 9, it is characterised in that：The barricade is located at the first mounting groove
Correspond at the aperture position equipped with convex ribs and be connected with convex ribs；In the inner wall of barricade, it is equipped with convex ribs connection
Little groove, with for magnetic patch interference to be fitted into caused by the first mounting groove in plastics bits push-in little groove and be closed.
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 true CN108010801A (en) | 2018-05-08 |
| CN108010801B CN108010801B (en) | 2023-10-20 |
Family
ID=62056692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268927.3A Active CN108010801B (en) | 2017-12-05 | 2017-12-05 | High-voltage pre-charging relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108010801B (en) |
Family Cites Families (10)
| 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 |
| CN102426989B (en) * | 2011-11-16 | 2015-04-08 | 厦门宏发电声股份有限公司 | Fall-resisting electromagnetic relay |
| JP2015191857A (en) * | 2014-03-28 | 2015-11-02 | 富士通コンポーネント株式会社 | electromagnetic relay |
| JP6403476B2 (en) * | 2014-07-28 | 2018-10-10 | 富士通コンポーネント株式会社 | 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 |
| CN106981398B (en) * | 2016-11-24 | 2019-01-01 | 漳州宏发电声有限公司 | A kind of clapper-type electromagnetic relay with locating plate |
| 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 |
| CN107275153B (en) * | 2017-07-25 | 2019-06-18 | 浙江美硕电气科技股份有限公司 | A kind of fixed device of magnetic circuit |
| 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 |
-
2017
- 2017-12-05 CN CN201711268927.3A patent/CN108010801B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108010801B (en) | 2023-10-20 |
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