CN209119012U - A kind of high-current relay - Google Patents
A kind of high-current relay Download PDFInfo
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- CN209119012U CN209119012U CN201821845769.3U CN201821845769U CN209119012U CN 209119012 U CN209119012 U CN 209119012U CN 201821845769 U CN201821845769 U CN 201821845769U CN 209119012 U CN209119012 U CN 209119012U
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Abstract
The utility model discloses a kind of high-current relays, including substrate, yoke, armature, tension spring, online coil, offline coil, coil.The armature is fixed with movable contact spring, movable contact is fixed on the right side of the movable contact spring, the downside of the movable contact is equipped with stationary contact, the upside of the movable contact is equipped with conductive plate, the conductive plate is equipped with several litzendraht wires, and one end of the litzendraht wire is connected with conductive plate, and the other end is connected with the conductive connecting piece being fixed on substrate, the downside of the conductive connecting piece is equipped with the second leading foot, and second leading foot passes through the second punched out that substrate is equipped with and stretches to below substrate.Conductive plate is provided on movable contact spring, litzendraht wire is connect by conductive plate with conductive connecting piece, the downside of conductive connecting piece is equipped with the pin connecting with power supply circuit, electric current is directly connected on movable contact spring by conductive connecting piece by litzendraht wire, and electric current is avoided to generate larger heat when work by the higher yoke of resistivity, armature.
Description
Technical field
The utility model relates to relay field, especially a kind of high-current relay.
Background technique
Relay is the electromagnetic relay applied in automation field.With the raising of electronic degree, to relay
Requirement it is also higher and higher.
The electric current majority of existing high load PCB relay, output circuit is directly connected to by movable contact spring and yoke
Or movable contact spring is connected with yoke by armature and is provided with integrated pin realization and power supply circuit on yoke to realize that circuit is connected
Connection, but the resistivity of yoke, armature is generally higher, generates heat when high current flows through serious, passable in limiting circuit
Maximum current.
Utility model content
Technical problem to be solved by the utility model is: provide a kind of current maxima is big, the lesser high current of fever after
Electric appliance.
The solution that the utility model solves its technical problem is:
A kind of high-current relay, including substrate, the substrate upside are equipped with yoke, and the yoke is L-shaped, the yoke
The transverse plate positioned at downside including linking together, the longitudinal plate positioned at upside, the upside of the transverse plate from bottom to top according to
Secondary to be equipped with offline coil, coil, online coil, the online coil is fixed on yoke, and the both ends of the coil are fixed on
On bobbin, offline coil；The upper end of the longitudinal plate is additionally provided with armature, and the left end of the armature is equipped with tension spring, the tension spring
One end be connected with the left end of armature, the other end is connected with the left end of transverse plate；Be fixed on the armature stretch out to the right it is dynamic
Reed, movable contact is fixed on the right side of the movable contact spring, and the downside of the movable contact is equipped with stationary contact, the downside of the stationary contact
Equipped with the first leading foot, first leading foot passes through the first punched out that substrate is equipped with and stretches to below substrate；The dynamic touching
The upside of point is equipped with conductive plate, and the conductive plate is equipped with several litzendraht wires, and one end of the litzendraht wire is connected with conductive plate, separately
One end is connected with the conductive connecting piece being fixed on substrate, and the downside of the conductive connecting piece is equipped with the second leading foot, and described the
Two leading foots pass through the second punched out that substrate is equipped with and stretch to below substrate.
As a further improvement of the above technical scheme, the quantity of the litzendraht wire is two.
As a further improvement of the above technical scheme, the material of the litzendraht wire is red copper.
As a further improvement of the above technical scheme, the upside of the longitudinal plate, which is equipped with, above prolongs section, it is described on prolong section
Upper end is equipped with position limit arm, and the position limit arm includes the horizontal swing arm to link together, limited block, it is described on prolong section by horizontal swing arm and
Limited block is connected, and the limited block is located at the upside of movable contact spring.
As a further improvement of the above technical scheme, memorial alloy bullet is additionally provided between the online coil and movable contact spring
Spring, the lower end of the memory alloy spring are fixed on the downside of movable contact spring against upside, the upper end of online coil.
As a further improvement of the above technical scheme, the surface of the memory alloy spring is coated with insulated paint.
It as a further improvement of the above technical scheme, further include coil leading foot, it is fixed to be additionally provided on front side of the substrate
The pin holes of position column and perforation setting, the positioning column stretch out upwards；The coil leading foot includes being sequentially connected from bottom to top
Pin section, horizontal exhibition section, on prolong section, the pin section passes through pin holes and stretches to lower section, and the horizontal exhibition section is equipped with location hole, institute
Location hole size, position and positioning column are stated to corresponding, it is described on prolong the upside of section and be equipped with recess.
The beneficial effects of the utility model are: being provided with conductive plate on movable contact spring, litzendraht wire is connected by conductive plate and conduction
Contact pin connection, the downside of conductive connecting piece are equipped with the pin connecting with power supply circuit, and conductive plate, conductive connecting piece selection are without such as
Yoke, armature etc. are to magnetic requirement, the material that resistance can be selected as much as possible low, and electric current is directly passed through by conductive connecting piece
Litzendraht wire is connected on movable contact spring, and electric current is avoided to generate larger heat when work by the higher yoke of resistivity, armature
Amount.
Detailed description of the invention
Fig. 1 is the perspective view of the utility model embodiment.
Fig. 2 is the main view of the utility model embodiment.
Fig. 3 is the perspective view of the substrate of the utility model embodiment.
Fig. 4 is the perspective view of the coil leading foot of the utility model embodiment.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment is as follows, and referring to figs. 1 to Fig. 4, a kind of high-current relay, including substrate 1 is equipped on the upside of the substrate 1
Yoke 2, the yoke 2 is L-shaped, and the yoke 2 includes the transverse plate positioned at downside to link together, the longitudinal direction positioned at upside
Plate is provided, in sequence from bottom to top, with offline coil, coil, online coil on the upside of the transverse plate, and the online coil is fixed on
On yoke 2, the both ends of the coil are fixed on online coil, in offline coil；The upper end of the longitudinal plate is additionally provided with armature 3,
The left end of the armature 3 is equipped with tension spring 6, and one end of the tension spring 6 is connected with the left end of armature 3, a left side for the other end and transverse plate
End is connected；The movable contact spring 4 stretched out to the right is fixed on the armature 3, the right side of the movable contact spring 4 is fixed with movable contact 41, institute
The downside for stating movable contact 41 is equipped with stationary contact 5, and the downside of the stationary contact 5 is equipped with the first leading foot 51, first leading foot
51, which pass through the first punched out that substrate 1 is equipped with, stretches to 1 lower section of substrate；The upside of the movable contact 41 is equipped with conductive plate 42, institute
Conductive plate 42 is stated equipped with several litzendraht wires 9, one end of the litzendraht wire 9 is connected with conductive plate 42, the other end be fixed on base
Conductive connecting piece 7 on plate 1 is connected, and the downside of the conductive connecting piece 7 is equipped with the second leading foot, and second leading foot passes through
The second punched out that substrate 1 is equipped with stretches to 1 lower section of substrate.
Conductive plate is provided on movable contact spring, litzendraht wire is connect by conductive plate with conductive connecting piece, under conductive connecting piece
Side is equipped with the pin connecting with power supply circuit, and conductive plate, conductive connecting piece selection want magnetism without such as yoke, armature
It asks, the material that resistance can be selected as much as possible low, electric current is directly connected on movable contact spring by conductive connecting piece by litzendraht wire,
Electric current is avoided to generate larger heat when work by the higher yoke of resistivity, armature.Also, by dynamic when conductive plate
Contact is fixed on movable contact spring, and when disassembly of conductive plate, which only needs that movable contact will be dismantled, can be taken off, and is connected to compared to braid over braid
It is more convenient when repair demolition on movable contact spring.
It is further used as preferred embodiment, the quantity of the litzendraht wire 9 is two.Two braid over braids, which are arranged, to be made
Obtaining its maximum current originally is that the relay of 120A electric current is promoted to 200A.
It is further used as preferred embodiment, the material of the litzendraht wire 9 is red copper.Red copper has higher compared to brass
Conductivity generate heat smaller so that the through-current capability of the relay is stronger.
Be further used as preferred embodiment, the upside of the longitudinal plate, which is equipped with, above prolongs section 203, it is described on prolong section 203
Upper end be equipped with position limit arm 8, the position limit arm 8 include link together horizontal swing arm 81, limited block 82, it is described on prolong section 203
It is connected by horizontal swing arm 81 with limited block 82, the limited block 82 is located at the upside of movable contact spring 4.Not over electric current in coil
When, movable contact spring and stationary contact remain disengaged from state when tension spring is by pulling armature, armature and yoke connecting place there are gap to
Armature, which is swung, drives movable contact spring close to or far from stationary contact.But it is difficult to accurately control dynamic spring in this way
The position of piece, when armature, movable contact spring mutually farther out from movable contact when, it is understood that there may be coil energization adsorption capacity is insufficient to allow armature to overcome
The problem of tension spring power is not turned on to movable contact with stationary contact.The position limit arm is set, convex block and the movable contact spring of position limit arm offset,
It can play the role of being accurately positioned movable contact spring and armature, guarantee that movable contact can be connected reliably with stationary contact.
It is further used as preferred embodiment, is additionally provided with memory alloy spring between the online coil and movable contact spring 4
10, the lower end of the memory alloy spring 10 is fixed on the downside of movable contact spring 4 against upside, the upper end of online coil.Memory is closed
Golden spring has the characteristics that heated rear elastic force increases, by the way that the memory alloy spring is arranged, when relay fever is serious, and memory
Alloy spring elastic force increases, and armature moves up, and movable contact separates disconnecting circuit with stationary contact, plays the role of protecting circuit.
It is further used as preferred embodiment, the surface of the memory alloy spring 10 is coated with insulated paint.Memorial alloy
The surface of spring is coated with insulated paint can guarantee insulating properties well, avoid reducing because memory alloy spring has electric conductivity
Creepage distance causes the case where not being able to satisfy safety.
It is further used as preferred embodiment, further includes coil leading foot 20, the front side of the substrate 1 is additionally provided with positioning
The pin holes 12 of column 11 and perforation setting, the positioning column 11 stretch out upwards；The coil leading foot 20 include from bottom to top according to
The pin section 201 of secondary connection, horizontal exhibition section 202, on prolong section 203, the pin section 201 passes through pin holes 12 and stretches to lower section, described
Horizontal exhibition section 202 is equipped with location hole, and the location hole size, position are corresponding with positioning column 11, it is described on prolong the upside of section 203
Equipped with recess.The coil leading foot be cleverly arranged so as in such a way that a sheet metal is by punching press and bending at
Type is easy to process low.And the setting of horizontal exhibition section, one side location hole enable the horizontal position of the pin section being attached thereto
Accurate positionin, the horizontal exhibition section of another aspect and pedestal is accessed to offset and limit the insertion depth of pin section.On prolong and be arranged in section
Groove can weld convenient for conducting wire etc. to be placed in recess.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this
Range should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of being covered with new patent.
Claims (7)
1. a kind of high-current relay, including substrate (1), it is characterised in that: yoke (2) are equipped on the upside of the substrate (1), it is described
Yoke (2) is L-shaped, and the yoke (2) includes the transverse plate positioned at downside to link together, the longitudinal plate positioned at upside, institute
It states and is provided, in sequence from bottom to top, with offline coil, coil, online coil on the upside of transverse plate, the online coil is fixed on yoke
(2) on, the both ends of the coil are fixed on online coil, in offline coil；The upper end of the longitudinal plate is additionally provided with armature (3),
The left end of the armature (3) is equipped with tension spring (6), and one end of the tension spring (6) is connected with the left end of armature (3), the other end and cross
It is connected to the left end of plate；The movable contact spring (4) stretched out to the right is fixed on the armature (3), the right side of the movable contact spring (4) is fixed
Have movable contact (41), the downside of the movable contact (41) is equipped with stationary contact (5), and the downside of the stationary contact (5) is equipped with first and draws
Foot (51) out, first leading foot (51) pass through the first punched out that substrate (1) is equipped with and stretch to below substrate (1)；It is described
The upside of movable contact (41) is equipped with conductive plate (42), and the conductive plate (42) is equipped with several litzendraht wires (9), the litzendraht wire
(9) one end is connected with conductive plate (42), and the other end is connected with the conductive connecting piece (7) being fixed on substrate (1), the conduction
The downside of connection sheet (7) is equipped with the second leading foot, and second leading foot passes through the second punched out that substrate (1) is equipped with and stretches to
Below substrate (1).
2. a kind of high-current relay according to claim 1, it is characterised in that: the quantity of the litzendraht wire (9) is two
Item.
3. a kind of high-current relay according to claim 1, it is characterised in that: the material of the litzendraht wire (9) is purple
Copper.
4. a kind of high-current relay according to claim 1, it is characterised in that: the upside of the longitudinal plate, which is equipped with, above prolongs
Section (203), it is described on prolong section (203) upper end be equipped with position limit arm (8), the position limit arm (8) includes the horizontal exhibition to link together
Arm (81), limited block (82), it is described on prolong section (203) and be connected by horizontal swing arm (81) with limited block (82), the limited block
(82) it is located at the upside of movable contact spring (4).
5. a kind of high-current relay according to claim 1, it is characterised in that: the online coil and movable contact spring (4)
Between be additionally provided with memory alloy spring (10), the lower end of the memory alloy spring (10) abuts upside, the upper end of online coil
It is fixed on the downside of movable contact spring (4).
6. a kind of high-current relay according to claim 5, it is characterised in that: the table of the memory alloy spring (10)
Face is coated with insulated paint.
7. a kind of high-current relay according to claim 1, it is characterised in that: further include coil leading foot (20), institute
The pin holes (12) that positioning column (11) and perforation setting are additionally provided on front side of substrate (1) are stated, the positioning column (11) is stretched out upwards；
The coil leading foot (20) include from bottom to top sequentially connected pin section (201), horizontal exhibition section (202), on prolong section (203),
The pin section (201) passes through pin holes (12) and stretches to lower section, and the horizontal exhibition section (202) is equipped with location hole, the location hole
Size, position and positioning column (11) to corresponding, it is described on prolong the upside of section (203) and be equipped with recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845769.3U CN209119012U (en) | 2018-11-09 | 2018-11-09 | A kind of high-current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821845769.3U CN209119012U (en) | 2018-11-09 | 2018-11-09 | A kind of high-current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209119012U true CN209119012U (en) | 2019-07-16 |
Family
ID=67204524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821845769.3U Active CN209119012U (en) | 2018-11-09 | 2018-11-09 | A kind of high-current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209119012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
-
2018
- 2018-11-09 CN CN201821845769.3U patent/CN209119012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114220708A (en) * | 2021-12-24 | 2022-03-22 | 浙江正泰汽车科技有限公司 | Clapper type relay |
| CN114220708B (en) * | 2021-12-24 | 2024-04-19 | 浙江正泰汽车科技有限公司 | Clapping relay |
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