CN206650033U - Relay - Google Patents

Relay Download PDF

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Publication number
CN206650033U
CN206650033U CN201720253808.XU CN201720253808U CN206650033U CN 206650033 U CN206650033 U CN 206650033U CN 201720253808 U CN201720253808 U CN 201720253808U CN 206650033 U CN206650033 U CN 206650033U
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CN
China
Prior art keywords
magnet
state
iron core
power transmission
transmission shaft
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Active
Application number
CN201720253808.XU
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Chinese (zh)
Inventor
邓兵
蒋红刚
姚保同
汪鲁建
刘斯源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
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BYD Co Ltd
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Filing date
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Priority to CN201720253808.XU priority Critical patent/CN206650033U/en
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Publication of CN206650033U publication Critical patent/CN206650033U/en
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Abstract

The utility model discloses a kind of relay, relay includes:Coil;Iron core, coil are arranged on the outside of iron core;Power transmission shaft, the lower end of power transmission shaft are connected with iron core;First, second binding post;Dynamic touch panel, dynamic touch panel are arranged on the upper end of power transmission shaft, and dynamic touch panel can move between the first and second positions under the drive of power transmission shaft;When dynamic touch panel is located at first position, the conducting of the first and second binding posts, when dynamic touch panel leaves first position, the first and second binding posts disconnect electrical connection;Permanent magnet, permanent magnet are arranged on the bottom of power transmission shaft;Magnet-sensitive switch, magnet-sensitive switch are located in the downside of permanent magnet, and magnet-sensitive switch switches to the second state in permanent magnet motion process from the bottom to top by first state, and switches to first state by the second state in the motion process of permanent magnet from top to bottom.Thus, magnetic induction principle is used, it is possible to prevente effectively from system high pressure circuit scurries into low-voltage circuit, the relay construction being arranged such is simple.

Description

Relay
Technical field
It the utility model is related to a kind of relay.
Background technology
In correlation technique, relay typically all carries auxiliary contact, and the disconnection and conducting of auxiliary contact can be used for judging The state of main contacts.Some relays of in the market typically disturb the magnetic field of permanent magnet using dynamic iron core, so as to change dry spring The state of pipe, but relay construction so arranged is complicated, the coiling of coil is relatively difficult, auxiliary contact design occupy compared with Big structure space, and whole electromagnetic excitation loop leakage field is more serious.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality With a kind of relay of new proposition, the relay uses magnetic induction principle, and simple in construction.
According to relay of the present utility model, including:Coil;Iron core, the coil are arranged on the outside of the iron core, institute Stating iron core can move along the vertical direction under the driving of the coil;Power transmission shaft, the lower end of the power transmission shaft connect with the iron core Connect, and can be moved up and down under the drive of the iron core;First binding post, the second binding post;Dynamic touch panel, the dynamic touch panel are set Putting can be under the drive of the power transmission shaft between the first position and the second position in the upper end of the power transmission shaft, the dynamic touch panel Motion;When the dynamic touch panel is located at the first position, first binding post and second binding post conducting are described dynamic tactile When plate leaves the first position, first binding post and second binding post disconnect electrical connection;Permanent magnet, the permanent magnetism Iron is arranged on the bottom of the power transmission shaft, and the permanent magnet can move along the vertical direction under the drive of the power transmission shaft;Magnetosensitive Switch, the magnet-sensitive switch are located in the downside of the permanent magnet, fortune of the magnet-sensitive switch in the permanent magnet from the bottom to top Second state is switched to by first state during dynamic, the magnet-sensitive switch is in permanent magnet motion process from top to bottom First state is switched to by the second state.
Thus, according to the relay of the utility model embodiment, using magnetic induction principle, by the position for changing permanent magnet Put, thus it is possible to vary the conducting off-state of corresponding magnet-sensitive switch, so as to so that the high-pressure section and low voltage section of relay Divide and be kept completely separate, it is possible to prevente effectively from system high pressure circuit scurries into low-voltage circuit, so as to improve the security of application system. In addition, the relay construction being arranged such is simple, the coiling of coil is simple, and permanent magnet and magnet-sensitive switch occupy little space, so as to The volume of relay can be effectively reduced, is also had, relay so arranged can also mitigate electromagnetic excitation loop leakage field phenomenon.
In some examples of the present utility model, when the dynamic touch panel is located at the first position, the magnet-sensitive switch is Second state;When the dynamic touch panel leaves the first position, the magnet-sensitive switch is the first state.
In some examples of the present utility model, the first position is when the dynamic touch panel contacts with the binding post Position, the second place are the dynamic touch panel and the wiring post separation and the position farthest away from the binding post.
In some examples of the present utility model, the first position be the dynamic touch panel and the wiring post separation and away from The farthest position of the binding post, the second place are position when the dynamic touch panel contacts with the binding post.
In some examples of the present utility model, it is provided with the dynamic touch panel for contacting or separating with the binding post Movable contact.
In some examples of the present utility model, the relay also includes:Magnet set, the magnet set are set in described On permanent magnet, and magnet set is arranged on the lower end of the iron core so that the permanent magnet is located at the bottom of the power transmission shaft.
In some examples of the present utility model, the end set of the iron core is fluted, a part for the magnet set Stretch into the groove and another part is configured to flange.
In some examples of the present utility model, the magnet set is in inverted T-shaped for rubber sleeve and section.
In some examples of the present utility model, the part interference fit of the groove and magnet set.
In some examples of the present utility model, face is set the magnet-sensitive switch up and down with the permanent magnet.
In some examples of the present utility model, the both ends of the magnet-sensitive switch lead to first end and the second end.
In some examples of the present utility model, the relay also includes:Locating part, the locating part are set in described On power transmission shaft and on the up and down motion direction of the iron core, the iron core and the relatively described locating part of the power transmission shaft can be transported It is dynamic.
In some examples of the present utility model, the relay also includes:Return unit, the return unit are only against described To drive the plunger return between locating part and the iron core.
In some examples of the present utility model, the return unit is spring, and the spring is set on the power transmission shaft, Holding tank is provided with the locating part, a part for the spring is contained in the holding tank.
In some examples of the present utility model, the locating part is column and external diameter is identical with the iron core external diameter, institute State locating part towards the surface of the iron core be plane.
Brief description of the drawings
Fig. 1 and Fig. 2 is the sectional view according to the relay of the utility model embodiment respectively;
Fig. 3 is the enlarged drawing of region A in Fig. 2.
Reference:
Relay 100;
Coil 1;Iron core 2;Groove 21;Power transmission shaft 3;Binding post 4;Dynamic touch panel 5;Permanent magnet 6;
Magnet-sensitive switch 7;Magnet set 8;Flange 81;Housing 9;Locating part 10;Return unit 11.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality The limitation of type.
The relay 100 according to the utility model embodiment is described in detail below with reference to Fig. 1-Fig. 3.
It can be included according to the relay 100 of the utility model embodiment:Coil 1, iron core 2, power transmission shaft 3, binding post 4, Dynamic touch panel 5, permanent magnet 6 and magnet-sensitive switch 7.
Coil 1 is arranged on the outside of iron core 2, i.e., iron core 2 is arranged on the inner side of coil 1, and iron core 2 is powered in coil 1 After be axially moved.Specifically, iron core 2 can move along the vertical direction under the driving of coil 1, wherein axial direction is above-below direction.
Iron core 2 is fixedly connected on the lower end of power transmission shaft 3, and power transmission shaft 3 can do above-below direction under the drive of iron core 2 Motion, for example, coil 1 energization after, power transmission shaft 3 can move from bottom to top.And by the way that iron core 2 is fixed on into power transmission shaft 3 lower end, power transmission shaft 3 and iron core 2 can be caused to coordinate suitably, the suitable length of power transmission shaft 3 can be caused, thereby may be ensured that after The structural reliability of electrical equipment 100.
Shown in binding post 4 generally two (positive poles/negative pole), i.e. the first binding post and the second binding post, Fig. 1 and Fig. 2 Two binding posts 4 are the first binding post and the second binding post.
As depicted in figs. 1 and 2, the upper end that touch panel 5 is arranged on power transmission shaft 3 is moved, and dynamic touch panel 5 can be in power transmission shaft 3 Driving is lower to be contacted or separates with binding post 4.Specifically, moving touch panel 5 can be under the drive of power transmission shaft 3 in first position and the Moved between two positions;When dynamic touch panel 5 is located at first position, the first binding post and the second binding post are turned on by dynamic touch panel 5, are moved When touch panel 5 leaves first position, the first binding post and the second binding post disconnect electrical connection.
First position is the position for enabling to two binding posts 4 to turn on herein, i.e., the most top that dynamic touch panel 5 can move to End;And the second place is the position that two binding posts 4 disconnect electrical connection, now, touch panel 5 is moved away from binding post 4, generally It is considered that the second place is the least significant end that dynamic touch panel 5 can move.
It should be noted that only when dynamic touch panel 5 is located at first position, the first binding post and the second binding post can just be led It is logical, and first position is left when moving touch panel 5, during the arrangement moved to the second place, the first binding post and the second binding post It is not turned on.
As depicted in figs. 1 and 2, permanent magnet 6 is arranged on the bottom of power transmission shaft 3, and the bottom of power transmission shaft 3 is under power transmission shaft 3 The bottom end face at end.Permanent magnet 6 can move along the vertical direction under the drive of power transmission shaft 3.Magnet-sensitive switch 7 is located in permanent magnet 6 downside, magnet-sensitive switch 7 switch to the second state in the motion process from the bottom to top of permanent magnet 6 by first state, and magnetosensitive is opened Close 7 and first state is switched to by the second state in the motion process from top to bottom of permanent magnet 6.That is, permanent magnet 6 is upper The upward motion in lower section can change the on off operating mode of magnet-sensitive switch 7, and the difference of the direction of motion can cause magnet-sensitive switch 7 State change it is different.It should be noted that the electricity that the switch speed of the state of magnet-sensitive switch 7 and position can be powered by coil 1 Flow the factor such as size and permanent magnet 6 to determine, do not limit herein.Alternatively, magnet-sensitive switch 7 can be tongue tube.
It should be noted that when relay 100 works, the action of actually dynamic touch panel 5 is very fast, stroke when Between it is very short;Therefore, as long as permanent magnet 6 is in motion process, magnet-sensitive switch 7 switches, it becomes possible to plays auxiliary contact Effect.Switch because the time is very short, in motion process and move to top switching, actually difference is little, does not influence Its function.
Wherein, specifically, when dynamic touch panel 5 is located at first position, magnet-sensitive switch 7 is the second state;Dynamic touch panel 5 leaves first During position, magnet-sensitive switch 7 is first state.
Wherein, alternatively, first state can be conducting state, and the second state can be off-state.That is, magnetic Quick switch 7 goes off state in the motion process from the bottom to top of permanent magnet 6 by conducting state, and magnet-sensitive switch 7 is in permanent magnet 6 By the switching-on state of off-state in motion process from top to bottom.
Alternatively, first state can be off-state to another kind, and the second state can be conducting state.That is, Magnet-sensitive switch 7 is by the switching-on state of off-state in the motion process from the bottom to top of permanent magnet 6, and magnet-sensitive switch 7 is forever Off-state is switched to by conducting state in the motion process of magnet 6 from top to bottom.
Alternatively, move and be provided with touch panel 5 for connecing 4 movable contacts for touching or separating with binding post.So movable contact can Contacted with binding post 4 reliably, so as to improve the functional reliability of relay 100.
It is emphasized that the utility model is by changing the distance between permanent magnet 6 and magnet-sensitive switch 7, by forever The influence that the magnetic field of magnet 6 is brought to magnet-sensitive switch 7, drive the break-make of magnet-sensitive switch 7.Specifically, when permanent magnet 6 and magnet-sensitive switch 7 relatively when, the action of magnet-sensitive switch 7 can be driven;And when permanent magnet 6 and magnet-sensitive switch 7 farther out when, shadow is not caused to it Ring.
Specific magnetic induction principle is as follows:The spacing of magnet-sensitive switch 7 and permanent magnet 6, determine the action of magnet-sensitive switch 7.When When magnet-sensitive switch 7 is located at the downside of permanent magnet 6, dynamic touch panel 5 is located at first position (i.e. the first binding post and the conducting of the second binding post Position) when, magnet-sensitive switch 7 is in the second state;And when dynamic touch panel 5 leaves first position, magnet-sensitive switch 7 is in the first shape State.Here although be " being located at " first position and " leaving " first position, but be fixed position for dynamic touch panel 5 Put;And for permanent magnet 6, due to the characteristic of magnetic field in itself, it is impossible to which a complete position leads to, and leaves a position Just can immediately it disconnect, because magnetic field is the process of a gradual change;Therefore, in this utility model, actually " be located at " and " from Open " first position, have one be used for magnetic field influence and existing reasonable error, this error may be with the intensity of magnetic field in itself It is relevant, in the utility model, it should also which the reasonable error is included.
Thus, according to the relay 100 of the utility model embodiment, using magnetic induction principle, by changing permanent magnet 6 Position, thus it is possible to vary the conducting off-state of corresponding magnet-sensitive switch 7, passing through the break-make of auxiliary contact control relay 100 While state, the high-pressure section and low-pressure section that make relay 100 are kept completely separate, it is possible to prevente effectively from system high pressure circuit is altered Enter low-voltage circuit, so as to improve the security of application system.In addition, the relay 100 being arranged such is simple in construction, coil 1 coiling is simple, and permanent magnet 6 and magnet-sensitive switch 7 occupy little space, so as to effectively reduce the volume of relay 100, also Have, relay 100 so arranged can also mitigate electromagnetic excitation loop leakage field phenomenon.
According to an alternative embodiment of the present utility model, the fixation limit method of permanent magnet 6 be able to can be divided into a variety of Directly or indirectly mode, for example, permanent magnet 6 can be directly anchored to the bottom of power transmission shaft 3, and for example, permanent magnet 6 can pass through iron Core is indirectly fixed to the lower end of power transmission shaft 3, to cause permanent magnet 6 to be located at the bottom of power transmission shaft 3.
Specifically, as shown in Figure 1-Figure 3, relay 100 can also include:Magnet set 8, magnet set 8 are arranged on iron core 2 Lower end, magnet set 8 are set on permanent magnet 6.By setting magnet to cover 8, peace of the permanent magnet 6 in the end of iron core 2 can be improved Reliability is filled, and magnet set 8 can be effectively isolated open permanent magnet 6 and iron core 2, thereby may be ensured that the work of permanent magnet 6 can By property.
Further, the end set of iron core 2 fluted 21, a part for magnet set 8 is stretched into groove 21, and magnet Another part of set 8 is configured to flange 81.The cooperation that can so effectively improve between magnet set 8 and the end of iron core 2 is reliable Property, so as to improve the installation reliability of permanent magnet 6, and then the functional reliability of relay 100 can be improved.
Specifically, as shown in figure 3, magnet set 8 can be rubber sleeve, and the section of magnet set 8 is in inverted T-shaped.So set The magnet put covers 8 grooves 21 that can be preferably with the end of iron core 2 and matched, reliable so as to improve the installation of permanent magnet 6 Property.
Alternatively, the part interference fit of groove 21 and magnet set 8.The one of groove 21 and the magnet set 8 of interference fit Part can further improve the installation reliability of magnet set 8, so as to improve the installation reliability of permanent magnet 6.
Alternatively, as shown in figure 3, magnet-sensitive switch 7 and permanent magnet face setting about 6.Wherein, the extension of magnet-sensitive switch 7 Direction can so be advantageous to the changes of magnetic field that magnet-sensitive switch 7 preferably perceives permanent magnet 6 perpendicular to axial direction, can To improve the accuracy of the switching of magnet-sensitive switch 7.
Wherein, as depicted in figs. 1 and 2, relay 100 can include housing 9, and dynamic touch panel 5 can be provided with housing 9, Binding post 4 be may be mounted on housing 9, and a part for binding post 4 is stretched into housing 9.
Alternatively, the both ends of magnet-sensitive switch 6 lead to first end and the second end.Wherein, during specifically used, relay Device 100 can be by the first end of magnet-sensitive switch 6 and the second end by the monitoring circuit of the cut-in relay 100 of magnet-sensitive switch 6.
According to an alternative embodiment of the present utility model, as depicted in figs. 1 and 2, relay 100 can also include:Limit Position part 10, locating part 10 is set on power transmission shaft 3, and locating part 10 is located on the up and down motion direction of iron core 2, wherein iron core 2 and the relative limit part 10 of power transmission shaft 3 can move.For example, locating part 10 can be arranged on the top of iron core 2, it is powered in coil 1 Afterwards, touch panel 5 and binding post 4 is moved to turn on, locating part 10 and iron core 2 can mutual backstop, so as to which locating part 10 can realize its limit Position effect.Or let us say that, after the energization of coil 1, the backstop iron core 2 of locating part 10, dynamic touch panel 5 and binding post 4 turn on.
Further, as depicted in figs. 1 and 2, relay 100 can also include:Return unit 11, return unit 11 are only against limit To drive iron core 2 to reset between position part 10 and iron core 2.It is understood that return unit 11 has the effect for promoting iron core 2 to reset Fruit.When coil 1 is powered, locating part 10 can limit the position of iron core 2, and after the power-off of coil 1, return unit 11 can promote iron Core 2 moves down, and so as to promote iron core 2 to be returned to initial position, so dynamic touch panel 5 and binding post 4 disconnect, permanent magnet 6 Away from magnet-sensitive switch 7, magnet-sensitive switch 7 disconnects.
Specifically, as depicted in figs. 1 and 2, return unit 11 can be spring, and spring is set on power transmission shaft 3, locating part 10 Holding tank is inside provided with, a part for spring is contained in holding tank.By setting holding tank, spring and locating part can be improved Cooperation reliability between 10, and can effectively save the inner space of relay 100.
Alternatively, locating part 10 can be column, and the external diameter of locating part 10 is identical with the external diameter of iron core 2, locating part 10 It is plane towards the surface of iron core 2.Locating part 10 and iron core 2 can be so caused to match, and so locating part 10 can be with The preferably upper surface of backstop iron core 2, so as to improve the limit effect of locating part 10.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (14)

  1. A kind of 1. relay, it is characterised in that including:
    Coil;
    Iron core, the coil are arranged on the outside of the iron core, and the iron core can be under the driving of the coil along the vertical direction Motion;
    Power transmission shaft, the lower end of the power transmission shaft are connected with the iron core, and can be moved up and down under the drive of the iron core;
    First binding post, the second binding post;
    Dynamic touch panel, the dynamic touch panel are arranged on the upper end of the power transmission shaft, and the dynamic touch panel can be under the drive of the power transmission shaft Move between the first position and the second position;When the dynamic touch panel is located at the first position, first binding post and institute State the conducting of the second binding post, when the dynamic touch panel leaves the first position, first binding post and second binding post Disconnect electrical connection;
    Permanent magnet, the permanent magnet are arranged on the bottom of the power transmission shaft, and the permanent magnet can be under the drive of the power transmission shaft Move along the vertical direction;
    Magnet-sensitive switch, the magnet-sensitive switch are located in the downside of the permanent magnet, and the magnet-sensitive switch is in the permanent magnet under The second state, fortune of the magnet-sensitive switch in the permanent magnet from top to bottom are switched to by first state in supreme motion process First state is switched to by the second state during dynamic.
  2. 2. relay according to claim 1, it is characterised in that described when the dynamic touch panel is located at the first position Magnet-sensitive switch is second state;When the dynamic touch panel leaves the first position, the magnet-sensitive switch is first shape State.
  3. 3. relay according to claim 1 or 2, it is characterised in that the first state is conducting state, described second State is off-state.
  4. 4. relay according to claim 1 or 2, it is characterised in that the first state is off-state, described second State is conducting state.
  5. 5. relay according to claim 1, it is characterised in that be provided with and be used for and the binding post on the dynamic touch panel Contact or the movable contact of separation.
  6. 6. relay according to claim 1, it is characterised in that also include:Magnet set, the magnet set are set in described On permanent magnet, and magnet set is arranged on the lower end of the iron core so that the permanent magnet is located at the bottom of the power transmission shaft.
  7. 7. relay according to claim 6, it is characterised in that the lower end of the iron core sets fluted, the magnet A part for set stretches into the groove and another part is configured to flange.
  8. 8. relay according to claim 7, it is characterised in that the magnet set is in inverted T-shaped for rubber sleeve and section.
  9. 9. relay according to claim 7, it is characterised in that a part of interference of the groove and magnet set is matched somebody with somebody Close.
  10. 10. relay according to claim 1, it is characterised in that the magnet-sensitive switch and face above and below the permanent magnet Set.
  11. 11. relay according to claim 1, it is characterised in that the both ends of the magnet-sensitive switch lead to first end and Second end.
  12. 12. relay according to claim 1, it is characterised in that also include:Locating part, the locating part are set in institute State on power transmission shaft and on the up and down motion direction of the iron core, the iron core and the relatively described locating part of the power transmission shaft can Motion.
  13. 13. relay according to claim 12, it is characterised in that also include:Return unit, the return unit are only against institute State between locating part and the iron core to drive the plunger return.
  14. 14. relay according to claim 1, it is characterised in that the magnet-sensitive switch is tongue tube.
CN201720253808.XU 2017-03-15 2017-03-15 Relay Active CN206650033U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720253808.XU CN206650033U (en) 2017-03-15 2017-03-15 Relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720253808.XU CN206650033U (en) 2017-03-15 2017-03-15 Relay

Publications (1)

Publication Number Publication Date
CN206650033U true CN206650033U (en) 2017-11-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720253808.XU Active CN206650033U (en) 2017-03-15 2017-03-15 Relay

Country Status (1)

Country Link
CN (1) CN206650033U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491735A (en) * 2019-08-07 2019-11-22 广州株电交通设备有限公司 A kind of reed switch relay with protection cap
CN114695021A (en) * 2022-04-06 2022-07-01 浙江英洛华新能源科技有限公司 Relay with main contact working state detection function

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110491735A (en) * 2019-08-07 2019-11-22 广州株电交通设备有限公司 A kind of reed switch relay with protection cap
CN110491735B (en) * 2019-08-07 2021-09-07 广州株电交通设备有限公司 Reed switch relay with protective cover
CN114695021A (en) * 2022-04-06 2022-07-01 浙江英洛华新能源科技有限公司 Relay with main contact working state detection function

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