CN203882901U - Relay - Google Patents
Relay Download PDFInfo
- Publication number
- CN203882901U CN203882901U CN201420284530.9U CN201420284530U CN203882901U CN 203882901 U CN203882901 U CN 203882901U CN 201420284530 U CN201420284530 U CN 201420284530U CN 203882901 U CN203882901 U CN 203882901U
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- China
- Prior art keywords
- arc
- magnet steel
- potsherd
- contact
- relay
- 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.)
- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 83
- 239000010959 steel Substances 0.000 claims abstract description 80
- 239000000463 material Substances 0.000 claims abstract description 10
- 238000010891 electric arc Methods 0.000 claims description 38
- 238000007664 blowing Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 14
- 229920003023 plastic Polymers 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 11
- 238000001746 injection moulding Methods 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 abstract description 9
- 238000001816 cooling Methods 0.000 abstract description 5
- 239000000919 ceramic Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000006698 induction Effects 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 210000003811 finger Anatomy 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model provides a relay. The relay includes a framework main body, at least one piece of magnetic steel and at least one ceramic sheet. The framework main body has a hollow part. contacts capable of corresponding contact are received in the hollow part. The at least one piece of magnetic steel is installed on the framework main body and are positioned on the periphery of arc gaps. The magnetic steel can blow an arc generated at one arc gap. The ceramic sheets are installed in the framework main body and are positioned in the direction in which the magnet steel blows the arc. An arc-resistant material has a cooling effect on the arc, and thus the reliability of the relay can be improved and the electrical service life of the relay can be prolonged. Furthermore, compared with a frame made of a full ceramic material, the framework of the relay is lower in cost and simpler in structure.
Description
Technical field
The utility model relates to relay, especially relates to a kind of relay of the arc-extinguishing mechanism with potsherd.
Background technology
In some interchanges or D.C. contactor (relay), generally comprise chassis body, exit part, moving spring part, magnetic circuit system, pushing mechanism.Exit part comprises exit and fixed contact; Fixed contact is fixed in the bottom of exit.Moving contact is fixedly installed on the movable contact spring of moving spring part, and moving spring part correspondence is positioned at chassis body, and moving spring part is promoted by pushing mechanism.The fixed contact that makes exit part respectively with the moving contact corresponding matching of moving spring part, complete the on-off of relay.Here chassis body body of material is plastics.
But at relay application during in higher load, when drop-out voltage exceedes 10V, electric current and exceedes the circuit of 100mA, can extreme temperatures of generation in contact gap (or claiming arc gap), the extremely strong and gas that can conduct electricity of brightness, be called electric arc.Electric arc belongs to a kind of form of gas discharge.If electric arc is beaten on the plastics of contact periphery, can make plastics carbonization, insulating properties can sharply decline, and when serious, even causes relay to burn.
In prior art direct current relay scheme, also having one is that framework entirety is made up of ceramic material.If publication number is CN102737914A Chinese invention patent, but due to the characteristic of ceramic material, this analogous frame structure is generally more complicated, and size is not easy to ensure, Heavy Weight, causes price high.
Utility model content
The utility model object is on the one hand, for solving the technical problem of electric arc damage plastic frame body in prior art relay.
The utility model object is on the one hand, for solving the high problem of the full ceramic frame cost of prior art relay.
The purpose of this utility model realizes like this: a kind of relay is provided, comprises contact, at least one magnet steel and at least one potsherd of framework, at least one group of corresponding contact of energy; Described chassis body has hollow bulb, accommodating described contact in described hollow bulb, and described can correspondingly contact between contact be formed with an arc gap; Described magnet steel is installed on described chassis body, and described magnet steel is positioned at the periphery of described arc gap, and the electric arc that described magnet steel can produce described arc gap place carries out arc blow-out; Described potsherd is installed on described chassis body, and described potsherd is positioned in described magnet steel arc blowing function direction.
Utilize magnet steel arc blowing function, can elongate the electric arc that arc gap place, contact produces, simultaneously, potsherd is arranged in magnet steel arc blowing function direction, can carries out electric arc coolingly, can improve reliability and the electric life of product, and cost is lower than full ceramic material framework, and frame structure is more succinct.
According to above-mentioned design, the empty window that forms multiple described arc gaps of aliging from outside of described chassis body thread, described magnet steel and described potsherd are individually fixed in each window.
According to above-mentioned design, the magnetic line of force direction of described magnet steel is perpendicular to described electric arc, and described electric arc intersects mutually with the magnetic line of force direction of described magnet steel, and described magnet steel is to arc blow-out outside described framework.
According to above-mentioned design, described framework is plastic material, and described potsherd is installed on described framework by clamping or integrated injection molding.
According to above-mentioned design, described magnet steel arranges in pairs, and the opposite face polarity of relative described magnet steel is contrary.
According to above-mentioned design, described potsherd arranges in pairs, and described potsherd is symmetrically with arc gap center described in center-aligned.
According to above-mentioned design, described chassis body comprises on multiple cylinders, an installation portion and connecting portion once, and each cylinder compartment of terrain is arranged in described hollow bulb periphery, between adjacent described cylinder, forms window; Described upper installation portion connects each cylinder on top; Described lower connecting portion connects each cylinder in bottom, described lower connecting portion is also fixedly connected with pushing mechanism.
According to above-mentioned design, described contact that can corresponding contact is interval two groups, and every group comprises respectively moving contact and fixed contact, and described fixed contact is fixed on described chassis body upper inner, and described moving contact correspondence is positioned at described hollow bulb.
According to above-mentioned design, the described arc gap center of aliging from outside, described each window center position; Described magnet steel lays respectively on the outside extended line of the line of centres between two arc gaps; At least two pairs of described potsherds are installed on respectively described arc gap outside, and the described potsherd line of centres is perpendicular to the line of centres between two arc gaps accordingly.The opposite face polarity of relative described magnet steel is contrary.Like this, forming after electric arc between contact, two magnet steel can blow to both sides electric arc, even after the commutation of the sense of current of two contacts, electric arc is still and is blown to side.Even and if the polarity of two magnet steel is provided with and mistakes, electric arc is still and is blown to side, still can ensure the safety of product.
According to above-mentioned design, the described arc gap center of aliging from outside, described each window center position; Described potsherd is installed on the described window being positioned on the outside extended line of the line of centres between two arc gaps; Described magnet steel is installed on the described window in described arc gap outside, and corresponding described magnet steel center connects perpendicular to the line of centres between two arc gaps.
According to above-mentioned design, at least one side of described potsherd is extended certain distance along the described window side of correspondence.
According to above-mentioned design, described potsherd periphery outwards forms projection or recessed, forms corresponding bite on the installation site of described chassis body.
According to above-mentioned design, described potsherd is installed on described chassis body by the mode of engaging or inserts combination.
According to above-mentioned design, on the installation site of described chassis body, be formed with limit rib body, described limit rib body profile and described potsherd profile match, and on the face of described limit rib body and described potsherd EDGE CONTACT, have clamping bar, described clamping bar has the inclined-plane that clamps from outside to inside described potsherd edge.
A kind of relay is provided on the other hand, comprises framework, exit part, moving spring part, at least one magnet steel, magnetic circuit part and pushing mechanism, described framework is fixed with at least one potsherd; Described magnet steel is positioned at an arc gap outside, and the electric arc that described magnet steel can produce described arc gap place carries out arc blow-out; Described potsherd is positioned in described magnet steel arc blowing function direction.
Utilize magnet steel arc blowing function, can elongate the electric arc that arc gap place, contact produces, simultaneously, potsherd is arranged in magnet steel arc blowing function direction, can carry out electric arc coolingly, can improve reliability and the electric life of product, longer than all-plastic material framework electric life, and cost is lower than full ceramic material framework, and frame structure is more succinct.
According to above-mentioned design, described chassis body has hollow bulb, in described exit part and moving spring part, can between the contact of corresponding contact, form described arc gap, accommodating described contact in described hollow bulb.
In the embodiment of the present invention and potsherd electric arc is had to cooling effect, can improve reliability and the electric life of product, and cost is lower than full ceramic material framework, frame structure is more succinct.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the structural representation of the relay frame of the utility model the first embodiment.
Fig. 2 is the action principle schematic top plan view of the relay frame of the utility model the first embodiment.
Fig. 3 is the structural representation of the relay of the utility model the first embodiment.
Fig. 4 is the sectional structure schematic diagram of the relay frame of the utility model the first embodiment.
Fig. 5 is the sectional structure schematic diagram of the relay of the utility model the first embodiment.
Fig. 6 is the ceramic chip structure schematic diagram of the utility model the first embodiment.
Fig. 7 is another example structure schematic diagram of the utility model potsherd.
Fig. 8 is the action principle schematic diagram of the arc blow-out of the utility model the first embodiment.
Fig. 9 is the action principle schematic top plan view of the relay frame of the utility model the second embodiment.
Figure 10 is the action principle schematic top plan view of the relay frame of the utility model the second embodiment.
Figure 11 is the action principle schematic diagram of the arc blow-out of the utility model the second embodiment.
Embodiment
The exemplary embodiments that embodies the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various variations on different embodiment, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be the use when explaining in essence, but not in order to limit the utility model.
The orientation such as upper and lower, the top mentioned in the utility model, the end, only for the relative position relation between each parts is described, do not limit the concrete installation position of each parts in the utility model.
As shown in Figure 1 to Figure 3, the utility model embodiment provides a kind of relay frame, comprises chassis body 1, at least one magnet steel 4 and at least one potsherd 5.The holistic hollow bulb 11 of chassis body 1 inner formation, in hollow bulb 11, for the contact of the corresponding contact of accommodating energy, the corresponding contact between contact of energy be formed with an arc gap A.The contact of the correspondence contact of saying here can be one group of electric contact that can be in contact with one another, can be also two groups and more than, every group of contact comprises a moving contact and a fixed contact.
Between contact, the gap of arc burning is arc gap A, and it can be less than maximal clearance between contact.
Magnet steel 4 is installed on chassis body 1, and magnet steel 4 is positioned at hollow bulb 11 peripheries, and magnet steel 4 can be to the arc gap A place in hollow bulb 11, and the electric arc producing in the time disconnecting contact carries out arc blow-out.Potsherd 5 is installed on chassis body 1, and potsherd 5 is positioned in magnet steel 4 arc blowing function directions.While in contact being many groups, the form of chassis body 1 does not limit the shape shown in figure accordingly, and potsherd 5 and magnet steel 4 can correspondence increase in groups.Potsherd 5 is positioned at magnet steel 4 " magnet steel arc blowing function direction " and refers to, under the magnetic fields of magnet steel 4, by arc gap A place electric arc, to peripheral direction arc blow-out, potsherd 5 can stop the electric arc that magnet steel 4 blows out, to carry out blow-out cooling.Better a kind of mode, for ease of installing, also can be by potsherd 5 symmetrically with center-aligned arc gap A center.
At relay application during in higher load, if electric arc beat on the plastics of contact periphery, plastics carbonization, insulating properties can sharply decline.For fear of this situation, the utility model embodiment installs symmetrically the potsherd 5 of exotic material near arc gap A.Electric arc resistant material has cooling effect to electric arc, can improve reliability and the electric life of product, and cost is lower than full ceramic material framework, and frame structure is more succinct.Here magnet steel 4 is a kind of arc-blowing devices, can certainly electromagnetism arc-blowing device or other arc-blowing device.
As shown in Figure 1, chassis body 1 entirety is hollow out type cuboid to specific embodiment, and chassis body 1 is made of plastics, and chassis body 1 comprises on multiple cylinder 12, an installation portion 13 and connecting portion 14 once.Each cylinder 12 compartment of terrains are arranged in hollow bulb 11 peripheries, form open window 15 between adjacent cylinder 12.Upper installation portion 13 connects each cylinder 12 on top, connecting plate 133 tops of upper installation portion 13 main bodys have protruding fixed part 131, fixed part 131 two ends profiles are rounded, and on fixed part 131, form spaced two spacing holes 132, spacing hole 132 is that a shoulder hole is so that the exit part 2 of non-drawout relay.Lower connecting portion 14 connects each cylinder 12 in bottom, in the present embodiment, lower connecting portion 14 is the rectangular plates that are connected between each cylinder 12, and lower connecting portion 14 is in order to be fixedly connected with and to be provided with holding section 141 with magnetic circuit system 6, can certainly be to be spirally connected or caulking part.
Chassis body 1 is hollow out type framework, and has the window 15 of multiple described arc gaps of aliging from outside, can, ensureing, under the prerequisite of structural strength, to save material, reduce costs.
As shown in Figure 4, the contact contacting is here interval two groups, correspondence has the arc gap A at two intervals, contact comprises respectively moving contact 31 and fixed contact 22, fixed contact 22 is fixed on chassis body 1 upper inner, moving contact 31 correspondences are positioned at hollow bulb 11, and moving contact 31 can be driven by pushing mechanism, to contact or to disconnect with fixed contact 22.
In specific embodiment as shown in Figure 1 and Figure 2, each window 15 positions are from outside alignment arc gap A, and two magnet steel 4 are arranged on respectively on the window 15 being positioned on the outside extended line of line between two arc gap A.Here said " line between two arc gap A " can be the line between central point.Magnet steel 4 can be embedded in chassis body, does not need the extra fixing part that increases, without the installing space that stays retaining element, reduce the overall dimension of product, and magnet steel can from contact very close to, be conducive to improve through the magnetic field intensity between contact, thereby improve arc blow-out ability.Two pairs of potsherds 5 are installed on respectively on two windows 15 in arc gap outside, and two corresponding potsherd 5 centers connect perpendicular to line between two arc gap A.
Low and the stable performance of potsherd 5 ceramic material costs.As shown in Figure 6, Figure 7, at least one side of potsherd 5 is prolonged portion 52 in corresponding window 15 sides extend to form, and potsherd 5 forms L shaped rectangular shaped, because electric arc in service is a column, under magnet steel 4 magnetic blow-out, be parabola motion to a side, perpendicular type potsherd can increase protective range.As shown in Figure 6, potsherd 5 end faces or bottom surface, or both sides, can partly stretch out and form projection 51 or recessed.
On the position of the installation potsherd 5 of each window 15, be formed with limit rib body 151, limit rib body 151 connection both sides, two ends cylinders 12, limit rib body 151 profiles and potsherd 5 profiles match, as shown in Figure 1 to Figure 3, the limit rib body 151 middle parts groove that takes the shape of the letter U, and in limit rib body 151 grooves and on the face of potsherd 5 EDGE CONTACT, have clamping bar, clamping bar has the inclined-plane that clamps from outside to inside potsherd 5 edges.On the installation site of each window 15, form corresponding bite.Potsherd 5 is installed on chassis body 1 by the mode of engaging or inserts combination.The simultaneously shell 7 of product, can withstand in outside potsherd 5, thus by 6 directions of potsherd 5 all spacing live.
Potsherd 5 except above-mentioned fixed form, also can with the mode of chassis body integrated injection molding, and snap in chassis body etc. by upper gliding groove.
Please refer to shown in Fig. 8 schematic diagram, two magnet steel 4 are arranged on respectively and are positioned on the outside extended line of line between two arc gaps, and the polarity of two magnet steel does not have particular/special requirement, and preferably the opposite face polarity of two magnet steel is contrary.Magnetic induction line direction, perpendicular to the electric arc direction producing between contact.Between contact, forming after electric arc like this, two magnet steel 4 can blow to both sides electric arc respectively, even after the commutation of the sense of current of two contacts, electric arc is still and is blown to side.Even and if the polarity of two magnet steel 4 is provided with and mistakes, electric arc is still and is blown to side, still can ensure the safety of product.The present embodiment is to be arranged with magnet steel on framework both sides, like this, between contact, forming after electric arc, two magnet steel can be respectively to arc blow-out on two side directions, even after the commutation of the sense of current of two contacts, magnetic blow-out direction is still sensing side.Even and if the polarity of two magnet steel is provided with and mistakes, magnetic blow-out direction is still sensing side, still can ensure the safety of product.
Certainly, in a second embodiment, as shown in Figures 9 to 11, a pair of potsherd 5 also can be installed on the window 15 being positioned on the outside extended line of line between two arc gap A, and magnet steel 4 is installed on two windows 15 in arc gap A outside, two corresponding magnet steel 4 centers connect perpendicular to line between two arc gap A.Equally, potsherd 5 is positioned in magnet steel 4 arc blowing function directions.Now, according to the flow direction of electric current, the polarity of 4 magnet steel should two kinds of modes as shown in Figure 11 arrange, the opposite face polarity of magnet steel should be contrary relatively, left hand rule according in electromagnetism: left hand is open and flat, allow magnetic induction line pass the palm of the hand, thumb is vertical with all the other four fingers, and all follows the centre of the palm in a plane.Left hand is put into magnetic field, allow magnetic induction line vertically penetrate the palm of the hand, the palm of the hand is towards N level, and four fingers point to electric current direction, and the direction of thumb is exactly stressed direction.When electric arc in magnetic field produces, it is stressed based on left hand rule, and magnet steel is outside to the active force of electric arc.
As shown in Figures 3 to 5, for above-described embodiment frame application is in the embodiment of relay, relay generally also comprises exit part 2, moving spring part 3, magnetic circuit system 6 and pushing mechanism 8.Exit part 2 comprises exit 21 and fixed contact 22; Fixed contact 22 is fixed in the bottom of exit 21, for example, adopt riveting method to be fixed, and fixed contact 22 contact-making surfaces are towards hollow bulb 11.Moving contact 31 is fixedly installed on the movable contact spring 32 of moving spring part 3, and moving spring part 3 correspondences are positioned at hollow bulb 11.Pushing mechanism 8 is driven by magnetic circuit system 6 and drives moving spring part 3 to move, pushing mechanism 8 comprises the part such as catch bar 81 and spacing elastic component 82, insulating case 83, catch bar 81 main bodys are sleeved in the coil 62 of magnetic circuit system 6, one end is protruding to be fixed with insulating case, spacing elastic component 82 is springs, the upper surface of moving spring part 3 insulating case 83 that reclines, the lower surface of moving spring part 3 is fixed by insulating case 83 and limit spring 82.Magnetic circuit system 6 drives moving spring part 3 to move by pushing mechanism 8.The fixed contact 22 that makes two exit parts 2 respectively with moving contact 31 corresponding matching of moving spring part 3, complete the on-off of relay.
The electric arc resistant material of the utility model embodiment has cooling effect to electric arc, can improve reliability and the electric life of product, and cost is lower than full ceramic material framework, and frame structure is more succinct.
The above, it is only the utility model preferred embodiment, therefore can not limit the scope that the utility model is implemented with this, the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (24)
1. a relay, is characterized in that: the contact, at least one magnet steel and at least one potsherd that comprise framework, at least one group of corresponding contact of energy;
Described chassis body has hollow bulb, accommodating described contact in described hollow bulb, and described can correspondingly contact between contact be formed with an arc gap;
Described magnet steel is installed on described chassis body, and described magnet steel is positioned at the periphery of described arc gap, and the electric arc that described magnet steel can produce described arc gap place carries out arc blow-out;
Described potsherd is installed on described chassis body, and described potsherd is positioned in described magnet steel arc blowing function direction.
2. relay according to claim 1, is characterized in that: the empty window that forms multiple described arc gaps of aliging from outside of described chassis body thread, described magnet steel and described potsherd are individually fixed in each window.
3. relay according to claim 2, is characterized in that: described electric arc intersects mutually with the magnetic line of force direction of described magnet steel, and described magnet steel is to arc blow-out outside described framework.
4. relay according to claim 2, is characterized in that: described framework is plastic material, and described potsherd is installed on described framework by clamping or integrated injection molding.
5. relay according to claim 4, is characterized in that: described magnet steel arranges in pairs, and the opposite face polarity of relative described magnet steel is contrary.
6. relay according to claim 4, is characterized in that: described potsherd arranges in pairs, and described potsherd is symmetrically with arc gap center described in center-aligned.
7. relay according to claim 1, is characterized in that: described chassis body comprises on multiple cylinders, an installation portion and connecting portion once, and each cylinder compartment of terrain is arranged in described hollow bulb periphery, between adjacent described cylinder, forms window; Described upper installation portion connects each cylinder on top; Described lower connecting portion connects each cylinder in bottom, described lower connecting portion is also fixedly connected with pushing mechanism.
8. according to the relay described in claim 2 to 7 any one, it is characterized in that: described contact that can corresponding contact is interval two groups, every group comprises respectively moving contact and fixed contact, and described fixed contact is fixed on described chassis body upper inner, and described moving contact correspondence is positioned at described hollow bulb.
9. relay according to claim 8, is characterized in that: the described arc gap center of aliging from outside, described each window center position; Described magnet steel lays respectively on the outside extended line of the line of centres between two arc gaps; Two pairs of described potsherds are installed on respectively described arc gap outside, and described potsherd center connects perpendicular to the line of centres between two arc gaps accordingly.
10. relay according to claim 8, is characterized in that: the described arc gap center of aliging from outside, described each window center position; Described potsherd is installed on the described window being positioned on the outside extended line of the line of centres between two arc gaps; Described magnet steel is installed on the described window in described arc gap outside, and corresponding described magnet steel center connects perpendicular to the line of centres between two arc gaps.
11. according to the relay described in claim 1 to 7 any one, it is characterized in that: at least one side of described potsherd is extended certain distance along the described window side of correspondence.
12. relays according to claim 11, is characterized in that: described potsherd periphery outwards forms projection or recessed, forms corresponding bite on the installation site of described chassis body.
13. relay frames according to claim 12, is characterized in that: described potsherd is installed on described chassis body by the mode of engaging or inserts combination.
14. relays according to claim 12, it is characterized in that: on the installation site of described chassis body, be formed with limit rib body, described limit rib body profile and described potsherd profile match, and on the face of described limit rib body and described potsherd EDGE CONTACT, have clamping bar, described clamping bar has the inclined-plane that clamps from outside to inside described potsherd edge.
15. 1 kinds of relays, comprise framework, exit part, moving spring part, at least one magnet steel, magnetic circuit part and pushing mechanism, it is characterized in that: described framework is fixed with at least one potsherd;
Described magnet steel is positioned at an arc gap outside, and the electric arc that described magnet steel can produce described arc gap place carries out arc blow-out; Described potsherd is positioned in described magnet steel arc blowing function direction.
16. relays according to claim 15, is characterized in that: described chassis body has hollow bulb, in described exit part and moving spring part, can between the contact of corresponding contact, form described arc gap, accommodating described contact in described hollow bulb.
17. according to the relay described in claim 15 or 16, it is characterized in that: the multiple windows of the empty formation of described chassis body thread, described magnet steel and described potsherd are individually fixed in each window.
18. relays according to claim 17, is characterized in that: described magnet steel arranges in pairs, and the opposite face polarity of relative described magnet steel is contrary.
19. relays according to claim 17, is characterized in that: described potsherd arranges in pairs, and described potsherd is symmetrically with arc gap center described in center-aligned.
20. relays according to claim 18, is characterized in that: described framework is plastic material, and described potsherd is installed on described framework by clamping or integrated injection molding.
21. relays according to claim 20, is characterized in that: described electric arc intersects mutually with the magnetic line of force direction of described magnet steel, and described magnet steel is to arc blow-out outside described framework.
22. relays according to claim 21, is characterized in that: at least one side of described potsherd is extended certain distance along described frame side wall to described arc gap direction.
23. relays according to claim 20, is characterized in that: comprise two groups of contacts side by side, have the described arc gap at two intervals; The described arc gap center of aliging from outside, described each window center position; Described magnet steel lays respectively on the outside extended line of line between two arc gaps; At least two pairs of described potsherds are installed on respectively described arc gap outside, and described potsherd center connects perpendicular to line between two arc gaps accordingly.
24. relays according to claim 20, is characterized in that: comprise two groups of contacts side by side, have the described arc gap at two intervals; The described arc gap center of aliging from outside, described each window center position; Described potsherd is installed on the described window being positioned on the outside extended line of the line of centres between two arc gaps; Described magnet steel is installed on the described window in described arc gap outside, and corresponding described magnet steel center connects perpendicular to the line of centres between two arc gaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284530.9U CN203882901U (en) | 2014-05-30 | 2014-05-30 | Relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284530.9U CN203882901U (en) | 2014-05-30 | 2014-05-30 | Relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882901U true CN203882901U (en) | 2014-10-15 |
Family
ID=51683375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284530.9U Expired - Lifetime CN203882901U (en) | 2014-05-30 | 2014-05-30 | Relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882901U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538255A (en) * | 2014-12-17 | 2015-04-22 | 贵州天义汽车电器有限公司 | High-voltage direct-current relay |
| CN104952655A (en) * | 2015-06-27 | 2015-09-30 | 贵州振华群英电器有限公司（国营第八九一厂） | Non-polar arc extinguishing system of high-voltage direct current contactor |
| CN109585224A (en) * | 2017-09-29 | 2019-04-05 | 浙江正泰电器股份有限公司 | DC relay |
-
2014
- 2014-05-30 CN CN201420284530.9U patent/CN203882901U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538255A (en) * | 2014-12-17 | 2015-04-22 | 贵州天义汽车电器有限公司 | High-voltage direct-current relay |
| CN104952655A (en) * | 2015-06-27 | 2015-09-30 | 贵州振华群英电器有限公司（国营第八九一厂） | Non-polar arc extinguishing system of high-voltage direct current contactor |
| CN104952655B (en) * | 2015-06-27 | 2018-01-02 | 贵州振华群英电器有限公司（国营第八九一厂） | A kind of nonpolarity arc quenching system of high-voltage DC contactor |
| CN109585224A (en) * | 2017-09-29 | 2019-04-05 | 浙江正泰电器股份有限公司 | DC relay |
| CN109585224B (en) * | 2017-09-29 | 2024-04-12 | 浙江正泰电器股份有限公司 | DC relay |
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Granted publication date: 20141015 |