CN206271636U - A kind of low-voltage, high-current protector - Google Patents
A kind of low-voltage, high-current protector Download PDFInfo
- Publication number
- CN206271636U CN206271636U CN201621164577.7U CN201621164577U CN206271636U CN 206271636 U CN206271636 U CN 206271636U CN 201621164577 U CN201621164577 U CN 201621164577U CN 206271636 U CN206271636 U CN 206271636U
- Authority
- CN
- China
- Prior art keywords
- fixed
- conducting strip
- current
- voltage
- fixed support
- 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.)
- Active
Links
Abstract
The utility model is related to overload protective device technical field; a kind of especially high current protector; including a kind of low-voltage, high-current protector; it is characterized in that; including fixed support, the first conducting strip, the second conducting strip, temperature-sensing element, current carrying lug and static contact; the temperature-sensing element is fixedly connected with described current carrying lug one end; and the bottom of one end that the current carrying lug is fixedly connected with temperature-sensing element is fixed with movable contact, a rivet sequentially passes through the other end of temperature-sensing element, copper bush and is fixed with the fixed support from top to bottom；One rivet is fixed after sequentially passing through the other end of the current carrying lug, the first conducting strip from top to bottom with the fixed support；The static contact is oppositely arranged with the movable contact；The static contact be rivet type structure, through fixed support after be fixedly connected with the second conducting strip.The utility model can adapt to overcurrent protection, the sensitive reliability to low-voltage, high-current circuit.
Description
Technical field
The utility model is related to overload protective device technical field, especially a kind of low-voltage, high-current protector.
Background technology
Overload protective device is usually to make to playing protection in various motors, the overcurrent of electrical equipment and overheat cutoff circuit
With applying on the electrical equipment such as electric tool, ballast, transformer and motor more.Existing protector relies primarily on bimetal leaf
It is heated and produces internal stress and back-flexing, pushes movable contact open so as to cut off circuit.
Current many electric motor of automobile, yacht motor use low-voltage, high-current operational mode, it is desirable to have reliably protecting device, this
It is accomplished by can adapt to the overcurrent protector of low-voltage, high-current.
Utility model content
It is required to adapt to the problem of the overcurrent protector of high current, the utility model for low-voltage, high-current operational mode
Offer is a kind of to can adapt to big current loop, simple structure, small volume and safe and reliable high current protector.
The technical solution adopted in the utility model is：
A kind of low-voltage, high-current protector, it is characterised in that including fixed support, the first conducting strip, the second conducting strip, sense
Warm element, current carrying lug and static contact, the temperature-sensing element are fixedly connected with described current carrying lug one end, and the current carrying lug and temperature-sensitive
The bottom of one end that element is fixedly connected is fixed with movable contact, a rivet sequentially pass through from top to bottom temperature-sensing element the other end,
Copper bush is fixed with the fixed support；One rivet sequentially passes through the other end of the current carrying lug, the first conducting strip from top to bottom
Fixed with the fixed support afterwards；The static contact is oppositely arranged with the movable contact；The static contact is rivet type structure, is worn
It is fixedly connected with the second conducting strip after crossing fixed support.
Further, the static contact includes contact part and bar portion, the contact part and the support bracket fastened upper side
Between have the first insulation spacer, between the bar portion and the fixed support have insulating bushing, it is described it is support bracket fastened under
There is the second insulation spacer between side and second conducting strip.
Further, there is the bush hole for passing through the copper bush on the current carrying lug.
Further, the current carrying lug is bending structure, described with the first stationary plane, bending side and the second stationary plane
Movable contact is fixed on the downside of the first stationary plane, second stationary plane is riveted with the fixed support and fixed, described first
Stationary plane is parallel to each other with second stationary plane.
Further, the angle of first stationary plane and the second stationary plane and the bending side >=90 °.
Further, first conducting strip is arranged in a mutually vertical manner with second conducting strip.
Further, the temperature-sensing element is bimetal leaf.
Apparently had the advantages that relative to prior art the utility model：
1st, splitter is arranged in parallel on temperature-sensing element, the load magnitude of current of protector is improved, low-voltage, high-current is can adapt to
Loop.
2nd, static contact is fixed by riveting form with the second conducting strip and fixed support, and by the first insulation spacer, insulation
Bushing and the second insulation spacer composition insulation system so that mutually insulated between static contact, conducting strip and fixed support, improve
The reliability of protector.
Brief description of the drawings
Fig. 1 is the utility model front view；
Fig. 2 is the utility model exploded perspective figure；
Fig. 3 is the utility model main view explosive view.
In figure, 1, fixed support, the 2, first conducting strip, the 3, second conducting strip, 4, temperature-sensing element, 5, current carrying lug, 51, bushing
Hole, the 52, first stationary plane, 53, bending side, the 54, second stationary plane, 6, static contact, 61, contact part, 62, bar portion, 7, movable contact,
8th, rivet, the 9, first insulation spacer, 10, insulating bushing, 11, copper bush, the 12, second insulation spacer.
Specific embodiment
In order that technical problem, technical scheme and beneficial effect that the utility model is solved become more apparent, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
In description of the present utility model, it is to be understood that term " radial direction ", " axial direction ", " on ", D score, " top ",
The orientation or position relationship of the instruction such as " bottom ", " interior ", " outward " are based on orientation shown in the drawings or position relationship, merely to just
Described with simplified in description the utility model, must be with specific side rather than the device or element for indicating or imply meaning
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In description of the present utility model
In, unless otherwise indicated, " multiple " is meant that two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " setting ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary.For the ordinary skill in the art,
Concrete meaning of the above-mentioned term in the utility model can as the case may be understood.
Low-voltage, high-current protector as shown in Figure 1-Figure 3, including fixed support 1, the first conducting strip 2, the second conducting strip
3rd, temperature-sensing element 4, current carrying lug 5 and static contact 6.
Current carrying lug 5 is bending structure, with the first stationary plane 52, the stationary plane 54 of bending side 53 and second, the first stationary plane
52 and second stationary plane 54 and bending side 53 angle >=90 °, the first stationary plane 52 is mutually flat with second stationary plane 54
OK.Movable contact 7 is fixed on the downside of the first stationary plane 52.First stationary plane end of current carrying lug 5 is fixed on one with temperature-sensing element 4
Rise, usually weld.There is bush hole 51, a copper bush 11 is arranged in bush hole 51 on second stationary plane 54 of current carrying lug 5,
One rivet 8 is fixed after sequentially passing through temperature-sensing element 4, copper bush 11 from top to bottom with fixed support 1, and another rivet 8 is from top to bottom
Sequentially pass through the first conducting strip 2, the first stationary plane 52 and the fixed support 1 of current carrying lug 5 are fixed.
Static contact 6 is oppositely arranged with movable contact 7；Static contact 6 is rivet type structure, and static contact 6 is sequentially passed through from top to bottom
Fixed with the second conducting strip 3 after first insulation spacer 9, fixed support 1, the second insulation spacer 12.Static contact 6 includes contact part 61
With bar portion 62, there is the first insulation spacer 9 between contact part 61 and the upper side of fixed support 1, bar portion 62 and fixed support 1 it
Between have insulating bushing 10, between the downside of fixed support 1 and the second conducting strip 3 have the second insulation spacer 12.
In the present embodiment, the first conducting strip 2 is arranged in a mutually vertical manner with the second conducting strip 3.
In the present embodiment, temperature-sensing element 4 is bimetal leaf.
Specifically, the operation principle of low-voltage, high-current protector of the present utility model is：
When high current protector accesses circuit, under heating effect of current effect, mutation is turned over for temperature-sensing element 4 and current carrying lug 5
Turn to drive movable contact 7 to move together so that movable contact 7 is separated with stationary contact, so that circuit loop is cut off, when on temperature-sensing element 4
After heat disperses, temperature-sensing element 4 can automatically reset recovery, and two contacts contact so as to connect circuit loop again.Current carrying lug 5 is played
The electric current in a part of temperature-sensing element 4 is shunted, the current-carrying capacity of protector is improve.
Above-mentioned is enlightenment according to desirable embodiment of the present utility model, by above-mentioned description, relevant staff
Various changes and amendments can be carried out in the range of without departing from this utility model technological thought completely.This practicality
New technical scope is not limited to the content on specification, it is necessary to determine its according to right technical
Scope.
Claims (7)
1. a kind of low-voltage, high-current protector, it is characterised in that including fixed support (1), the first conducting strip (2), second conductive
Piece (3), temperature-sensing element (4), current carrying lug (5) and static contact (6), the temperature-sensing element (4) are fixed with the current carrying lug (5) one end
Connection, and the bottom of one end that the current carrying lug (5) is fixedly connected with temperature-sensing element (4) is fixed with movable contact (7), a rivet
(8) fixed with the fixed support (1) after sequentially passing through the other end, the copper bush (11) of the temperature-sensing element (4) from top to bottom；
One rivet (8) sequentially pass through from top to bottom after the other end of the current carrying lug (5), the first conducting strip (2) with the fixed support
(1) it is fixed；The static contact (6) is oppositely arranged with the movable contact (7)；The static contact (6) is rivet type structure, through admittedly
Fixed rack (1) is fixedly connected with the second conducting strip (3) afterwards.
2. low-voltage, high-current protector according to claim 1, it is characterised in that the static contact (6) is including contact part
(61) and bar portion (62), there is the first insulation spacer between the contact part (61) and the upper side of the fixed support (1)
(9), there is insulating bushing (10), the downside of the fixed support (1) between the bar portion (62) and the fixed support (1)
There is the second insulation spacer (12) between second conducting strip (3).
3. low-voltage, high-current protector according to claim 1, it is characterised in that having on the current carrying lug (5) makes institute
State the bush hole (51) that copper bush (11) is passed through.
4. low-voltage, high-current protector according to claim 1, it is characterised in that the current carrying lug (5) is bending structure,
It is solid on the downside of first stationary plane (52) with the first stationary plane (52), bending side (53) and the second stationary plane (54)
Determine movable contact (7), second stationary plane (54) and the fixed support (1) riveting are fixed, first stationary plane (52) with
Second stationary plane (54) is parallel to each other.
5. low-voltage, high-current protector according to claim 4, it is characterised in that first stationary plane (52) and second
The angle of stationary plane (54) and the bending side (53) >=90 °.
6. low-voltage, high-current protector according to claim 1, it is characterised in that first conducting strip (2) with it is described
Second conducting strip (3) is arranged in a mutually vertical manner.
7. low-voltage, high-current protector according to claim 1, it is characterised in that the temperature-sensing element (4) is bimetallic
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164577.7U CN206271636U (en) | 2016-11-01 | 2016-11-01 | A kind of low-voltage, high-current protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621164577.7U CN206271636U (en) | 2016-11-01 | 2016-11-01 | A kind of low-voltage, high-current protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271636U true CN206271636U (en) | 2017-06-20 |
Family
ID=59037821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621164577.7U Active CN206271636U (en) | 2016-11-01 | 2016-11-01 | A kind of low-voltage, high-current protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271636U (en) |
-
2016
- 2016-11-01 CN CN201621164577.7U patent/CN206271636U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205645680U (en) | Temperature controller of high security | |
| CN202905645U (en) | Temperature sensing type temperature fuse provided with contacts | |
| CN205376400U (en) | Temperature fuse device | |
| CN106952779A (en) | A kind of temperature control device of band PTC power-off restorations | |
| CN206271636U (en) | A kind of low-voltage, high-current protector | |
| CN104992878B (en) | Multifunctional ceramic duplex temperature controller and the electric heating vessel using the temperature controller | |
| CN103383903A (en) | Dry-burning-resistant temperature-sensitive switch for electric heating device | |
| CN204348635U (en) | A kind of adjustable overcurrent non-electricity protector | |
| CN104134578B (en) | A kind of overheated overcurrent protector | |
| CN202034304U (en) | Active time delay temperature control switch | |
| CN201845723U (en) | Overload protection device of circuit breaker | |
| CN203910714U (en) | Load protection device capable of transient quick-tripping in the case of overtemperature and overload | |
| CN207183192U (en) | A kind of current over-load protector structure | |
| CN204516709U (en) | Breaker of plastic casing | |
| CN201011649Y (en) | Three-phase compressor built-in protector | |
| CN204242949U (en) | A kind of thermal protector | |
| CN102254744A (en) | Built-in protector of three-phase compressor | |
| CN206271634U (en) | A kind of high current protector | |
| CN105489455A (en) | Thermal link with double insulators | |
| CN206271633U (en) | Overload protective device | |
| CN104217896B (en) | A kind of built-in overcurrent overheat protector | |
| CN204348651U (en) | Current temperature overload protection arrangement | |
| JP3204027U (en) | Overheat overcurrent protection device | |
| CN105591253A (en) | Plug and socket having fireproof protection apparatus | |
| CN104064414A (en) | Load protection device for over-temperature, overload and instantaneous kicking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |