CN205583499U - Moving plug -in element of main circuit - Google Patents
Moving plug -in element of main circuit Download PDFInfo
- Publication number
- CN205583499U CN205583499U CN201620400139.XU CN201620400139U CN205583499U CN 205583499 U CN205583499 U CN 205583499U CN 201620400139 U CN201620400139 U CN 201620400139U CN 205583499 U CN205583499 U CN 205583499U
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- China
- Prior art keywords
- plug
- main circuit
- inserted sheets
- unit
- alloy contact
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Abstract
The utility model discloses a moving plug -in element of main circuit, including insulating cover and three plug -in components unit, every plug -in components unit all includes a locating rack, two inserted sheets, two memory alloy contact springs, be equipped with the locating hole on the locating rack, two inserted sheets are restricted between the wall of the both sides of locating hole, it presss from both sides the mouth to form one between the both ends of two first sides of inserted sheet respectively, one side of two memory alloy contact springs is supported respectively and is leaned on on the both sides wall at the locating hole, the opposite side of two memory alloy contact springs supports the second side of leaning on at two inserted sheets respectively, after the moving plug -in element of main circuit temperature risees and reaches the phase transition temperature of memory alloy contact spring, two memory alloy contact springs are buckled to one side of two inserted sheets respectively, and compress tightly two inserted sheets. The utility model discloses well moving plug -in element of main circuit manufacturing process is simple, can realize the firm cooperation of sound plug -in components, practices thrift the electric energy, can improve the fail safe nature of the long -time operation of low pressure drawer cabinet.
Description
Technical field
This utility model relates to the technical field of low-tension switch cabinet, especially relates to a kind of for low voltage drawer
Main circuit in cabinet moves plug-in unit.
Background technology
It is continuously increased, along with power load, the increasingly stringent required with energy-conserving and environment-protective, uses efficient, energy-conservation
And can ensure that low-voltage drawer cabinet lasting, reliable power supply will be following development trend.Main circuit is dynamic to be inserted
Part is that in low-voltage drawer cabinet, drawer coordinates a critically important part with cabinet, and main circuit moves plug-in unit and quiet plug-in unit
Mated condition, directly affect performance and the use of drawer.Main electricity in currently the majority low-voltage drawer cabinet
The vertical bus bar of an inserted sheet and the quiet plug-in unit of main circuit that plug-in unit is moved on road tends not to firm occlusion, can cause
Sound interposer contact pressure diminishes, and contact resistance becomes big, and electric current generates heat through resistance, and contact resistance is the biggest,
Generating heat the most severe, temperature also can constantly raise simultaneously, causes energy loss the most constantly to increase.And this
Heating process also can cause vicious cycle, because heating makes contact surface aoxidize, so that contact resistance is further
Increasing, and it is all the more severe to generate heat, consequence is serious waste electric energy, affects the operation energy of low-voltage drawer cabinet
Power, it is impossible to ensure to continue reliable safe power supply, bring the biggest economy to power grid enterprises and Electricity customers
And social benefit loss, there is also great potential safety hazard simultaneously.
Utility model content
The purpose of this utility model be to provide one can with quiet plug-in unit secure fit, rational in infrastructure, save
The main circuit that electric energy, security reliability are high moves plug-in unit.
For solving above-mentioned technical problem, this utility model offer techniques below scheme:
Main circuit moves plug-in unit, and including insulation sleeve and three bound cells, three bound cells are fixed side by side and set
Putting in insulation sleeve, each bound cell all includes a locating rack, two inserted sheets, two memorial alloys
Contact spring, locating rack is provided with hole, location, and two inserted sheets are arranged side by side and are limited in the two of hole, location
Between sidewall, two inserted sheets are respectively provided with the first side and the second side being oppositely arranged, the first side of two inserted sheets
Being oppositely arranged, form a jaws between the two ends of two inserted sheet the first sides respectively, two inserted sheets are by this folder
Mouth is connected cooperation with quiet plug-in unit, and the side of two memorial alloy contact springs bears against in the two of hole, location
On sidewall, the opposite side of two memorial alloy contact springs bears against the second side at two inserted sheets, and
Carry out two plug-in units limiting and fix, raise when main circuit moves plug-in unit temperature and reach memorial alloy contact bullet
After the phase transition temperature of spring, two memorial alloy contact springs bend to the side of two inserted sheets respectively,
And two inserted sheets are compressed.
Further, the centre of the first side of each inserted sheet is provided with spacing slotted eye, through a bullet on locating rack
Property locating part, elastic spacing one can lean with the inwall of the spacing slotted eye of two inserted sheet the first sides and coordinate,
Fix to carry out two inserted sheets limiting.
Further, described elastic spacing one is spacer pin, and the direction that spacer pin extends along spacer pin sets
Jagged, under the extruding of said two inserted sheet, the breach on spacer pin can become big or reduce.
Further, the two ends of said two memorial alloy contact spring are respectively to a lateral bending of two inserted sheets
Folding, is resisted against on the two side in hole, described location in the middle part of two memorial alloy contact springs.
Further, the second side of two inserted sheets is respectively equipped with draw-in groove, said two memorial alloy contact bullet
The two ends of spring are fastened on the inwall at two inserted sheet the second side bayonet slot two ends respectively.
Further, a U-clamp mouth is formed respectively between the two ends of two inserted sheet the first sides.
Memorial alloy contact spring described in the utility model can produce deformation along with variations in temperature, works as main circuit
When dynamic plug-in unit temperature reaches memorial alloy contact spring phase change coefficient, memorial alloy contact spring deforms upon,
Flexibility increases and then bends to the side of inserted sheet, thus compresses inserted sheet, makes inserted sheet hang down with quiet plug-in unit
The straight more firm occlusion of busbar, contact pressure increases, and contact resistance reduces, and heating is alleviated, it is ensured that low pressure
The safe and reliable long-time steady operation of drawout cubicle.When main circuit moves plug-in unit temperature less than memorial alloy contact
During spring phase transition temperature, memorial alloy contact spring will restPose.
In this utility model, to move plug-in unit manufacturing process simple for main circuit, it is possible to realizes firmly joining of sound plug-in unit
Close, improve the contact pressure of sound plug-in unit, reduce the contact resistance of sound plug-in unit, saves energy, it is possible to
Improve the long playing security reliability of low-voltage drawer cabinet.
Accompanying drawing explanation
Fig. 1 is the overall structure figure that main circuit moves plug-in unit；
Fig. 2 is that main circuit moves the structure chart of bound cell in plug-in unit；
Fig. 3 is the part-structure figure of Fig. 2.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with
Accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.
Embodiment:
Main circuit moves plug-in unit, as shown in Figures 1 to 3, including insulation sleeve 5 and three bound cells, inserts for three
Part unit is fixedly installed in insulation sleeve 5 side by side, and each bound cell all includes a locating rack 2, two
1, two memorial alloy contact springs 3 of individual inserted sheet, locating rack 2 is provided with hole 211, location, two inserted sheets
1 is arranged side by side and is limited between the two side in hole 211, location, and two inserted sheets 1 are respectively provided with and relatively set
The first side put and the second side, the first side of two inserted sheets 1 is oppositely arranged, two inserted sheet 1 first sides
Forming a jaws 6 between two ends respectively, two inserted sheets 1 are connected cooperation by this jaws 6 with quiet plug-in unit,
The side of two memorial alloy contact springs 3 bears against on the two side in hole 211, location, two notes
The opposite side recalling alloy tip contact spring 3 bears against the second side at two inserted sheets 1, and to two inserted sheets
1 carries out restriction fixes, when main circuit moves the phase that plug-in unit temperature raises and reaches memorial alloy contact spring 3
After temperature, two memorial alloy contact springs 3 bend to the side of two inserted sheets 1 respectively, and
Two inserted sheets 1 are compressed.
Memorial alloy is the martensitic phase transformation alloy that a kind of atomic arrangement is the most regular and volume is the least, this
Memorial alloy is deformed when being in low temperature under external force, when external force is removed, is heated to a constant temperature
Under degree, can return to the original form.Owing to this alloy has the recovery function of more than million times, therefore
It is called " memorial alloy ".And, memorial alloy also has the advantage such as wear resistant corrosion resistant, avirulence, because of
And be widely used.
The spring of memorial alloy contact described in the present embodiment is by processing such as memorial alloy sheet shearing, compactings
Become, be then passed through Technology for Heating Processing, 800 DEG C of quenchings, 500 DEG C of tempering, there is temperature deformation effect and height
Damping and amortization, replaces traditional spring steel etc. and does not have temperature deformation effect and damping and amortization material.Described memory
Alloy tip contact spring can produce deformation along with variations in temperature, reaches memorial alloy when main circuit moves plug-in unit temperature
During contact spring phase change coefficient, memorial alloy contact spring deforms upon, and flexibility increases and then to inserted sheet
Side bend, thus compress inserted sheet, make that inserted sheet is more firm with quiet plug-in unit vertical bus bar to be engaged,
Contact pressure increase, contact resistance reduce, heating alleviate, it is ensured that low-voltage drawer cabinet safe and reliable long time
Between stable operation.When main circuit moves plug-in unit temperature less than memorial alloy contact spring phase transition temperature, memory
Alloy tip contact spring will restPose.
The present embodiment utilizes memory alloy material temperature deformation characteristic and damping and amortization, when sound interposer contact not
Firm or load is excessive cause dynamic plug-in unit temperature to rise and exceed memorial alloy contact spring phase transition temperature after
(phase transition temperature is typically set to about 50 DEG C), memorial alloy contact spring can deform upon, to inserted sheet
Curving and then compression inserted sheet, produce 30～2000N pressure, make two inserted sheets move to centre, and two
Jaws between individual inserted sheet is tighter with quiet plug-in unit vertical bus bar folder, reduces dynamic between plug-in unit and quiet plug-in unit
Contact resistance, reduces heating, saves energy.When dynamic plug-in unit carrying normal current, memorial alloy contact
Spring can prevent the inserted sheet from loosening, it is ensured that sound plug-in unit at any time can firm be engaged, it is achieved just
Often coordinate and separate.
In the present embodiment, to move plug-in unit manufacturing process simple for main circuit, it is possible to realizes the secure fit of sound plug-in unit,
Improve the contact pressure of sound plug-in unit, reduce the contact resistance of sound plug-in unit, saves energy, it is possible to increase
The long playing security reliability of low-voltage drawer cabinet.
On the basis of above-described embodiment, it is preferred that as shown in Figures 1 to 3, the first side of each inserted sheet
Centre is provided with spacing slotted eye 101, and through an elastic spacing one 4 on locating rack 2, elastic spacing one 4 can be with
The inwall of the spacing slotted eye 101 of two inserted sheet 1 first sides leans cooperation, to carry out two inserted sheets 1
Limit fixing.
On the basis of above-described embodiment, it is preferred that as shown in Figures 1 to 3, described elastic spacing one 4 is
Spacer pin, the direction that spacer pin extends along spacer pin is provided with breach 41, squeezing at said two inserted sheet 3
Pressure, the breach 41 on spacer pin can become big or reduce.
On the basis of above-described embodiment, it is preferred that as shown in Figures 1 to 3, said two memorial alloy touches
The two ends of flat spring 3 are respectively in a lateral buckling of two inserted sheets 1, two memorial alloy contact springs 3
Portion is resisted against on the two side in hole, described location 211.
At the beginning of when main circuit moves plug-in unit temperature less than memorial alloy contact spring phase transition temperature, contact spring recovers
Beginning state, when main circuit moves plug-in unit carrying normal current, memorial alloy contact spring can prevent from once inserting
Sheet loosens, and the present embodiment passes through the two ends of two memorial alloy contact springs respectively to the side of two inserted sheets
Two inserted sheets can preferably be clamped fixing by bending, are further ensured that sound plug-in unit is in office when
Time can firm be engaged, it is achieved proper engagement with separate.
On the basis of above-described embodiment, it is preferred that as shown in Figures 1 to 3, the second side of two inserted sheets 1
Being respectively equipped with draw-in groove 102, the two ends of said two memorial alloy contact spring 3 are fastened on two respectively and insert
On the inwall at sheet 1 second side bayonet slot 102 two ends.
The present embodiment is by arranging draw-in groove, it is possible to realize two memorial alloy contact springs and two inserted sheets
Firmly connect, thus preferably two plug-in units are fixed.
On the basis of above-described embodiment, it is preferred that as shown in Figures 1 to 3, two inserted sheet 3 first sides
A U-clamp mouth is formed respectively between two ends.
Form two U-clamp mouths between the two ends of two inserted sheet the first sides of the present embodiment, make sound plug-in unit
Patch more reliable, more firm.
Various embodiments above is only in order to illustrate the technical solution of the utility model, but this utility model is not
Be limited to this embodiment, person of ordinary skill in the field possessed the ken in, not
On the premise of departing from this utility model objective, it is also possible to make a variety of changes.The technology of art
Personnel, from above-mentioned design, without performing creative labour, done all conversion, all fall within
In protection domain of the present utility model.
Claims (6)
1. main circuit moves plug-in unit, and including insulation sleeve and three bound cells, three bound cells are fixed side by side
Be arranged in insulation sleeve, it is characterised in that each bound cell all include a locating rack, two inserted sheets,
Two memorial alloy contact springs, locating rack is provided with hole, location, and two inserted sheets are arranged side by side and are limited
Between the two side in hole, location, two inserted sheets are respectively provided with the first side and the second side being oppositely arranged, two
First side of inserted sheet is oppositely arranged, and forms a jaws between the two ends of two inserted sheet the first sides respectively, two
Inserted sheet is connected cooperation by this jaws with quiet plug-in unit, and the side of two memorial alloy contact springs bears against
On the two side in hole, location, the opposite side of two memorial alloy contact springs bears against at two inserted sheets
The second side, and carry out two plug-in units limiting fixing, raise when main circuit moves plug-in unit temperature and reach to remember
After recalling the phase transition temperature of alloy tip contact spring, two memorial alloy contact springs are respectively to the one of two inserted sheets
Side bends, and compresses two inserted sheets.
Main circuit the most according to claim 1 moves plug-in unit, it is characterised in that the first of each inserted sheet
The centre of side is provided with spacing slotted eye, and through an elastic spacing one on locating rack, elastic spacing one can be with two
The inwall of the spacing slotted eye of inserted sheet the first side leans cooperation, fixing to carry out two inserted sheets limiting.
Main circuit the most according to claim 2 moves plug-in unit, it is characterised in that described elastic spacing one
For spacer pin, the direction that spacer pin extends along spacer pin is provided with breach, in the extruding of said two inserted sheet
Under, the breach on spacer pin can become big or reduce.
Main circuit the most according to claim 1 moves plug-in unit, it is characterised in that said two memory is closed
The two ends of gold contact spring are respectively in the middle part of a lateral buckling of two inserted sheets, two memorial alloy contact springs
It is resisted against on the two side in hole, described location.
Main circuit the most according to claim 1 moves plug-in unit, it is characterised in that the second of two inserted sheets
Side is respectively equipped with draw-in groove, and the two ends of said two memorial alloy contact spring are fastened on two inserted sheets respectively
On the inwall at two side bayonet slot two ends.
Main circuit the most according to claim 1 moves plug-in unit, it is characterised in that two inserted sheet the first sides
Two ends between form a U-clamp mouth respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400139.XU CN205583499U (en) | 2016-05-05 | 2016-05-05 | Moving plug -in element of main circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400139.XU CN205583499U (en) | 2016-05-05 | 2016-05-05 | Moving plug -in element of main circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205583499U true CN205583499U (en) | 2016-09-14 |
Family
ID=56856177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620400139.XU Expired - Fee Related CN205583499U (en) | 2016-05-05 | 2016-05-05 | Moving plug -in element of main circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205583499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494570A (en) * | 2017-09-11 | 2019-03-19 | Abb股份公司 | Low-tension distribution board |
-
2016
- 2016-05-05 CN CN201620400139.XU patent/CN205583499U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494570A (en) * | 2017-09-11 | 2019-03-19 | Abb股份公司 | Low-tension distribution board |
| CN109494570B (en) * | 2017-09-11 | 2022-03-18 | Abb股份公司 | Low-voltage distribution board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20190505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |