CN207038935U - A kind of open type large current contact box - Google Patents
A kind of open type large current contact box Download PDFInfo
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- CN207038935U CN207038935U CN201720915047.XU CN201720915047U CN207038935U CN 207038935 U CN207038935 U CN 207038935U CN 201720915047 U CN201720915047 U CN 201720915047U CN 207038935 U CN207038935 U CN 207038935U
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- wall
- open type
- large current
- incoming line
- type large
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Abstract
It the utility model is related to a kind of open type large current contact box, including insulation box body and static contact in integral structure；Described insulation box body both ends are provided with coaxial incoming line and line outlet, and incoming line lower end is provided with ventilating duct, and incoming line outer wall upper end is provided with multiple first air vents, and incoming line outer wall lower end is provided with the ventilating duct of insertion insulation box body；Described static contact is co-axially located in incoming line, and one end is fixedly connected with busbar in vitro in insulation booth, and the other end is connected in insulation booth body with moving contact.The diversified aeration structure that the utility model uses can quickly dredge the heat of accumulation in contact box, rationally and effectively improve the problem of temperature rise in contact box in the case of high current, improve the service life of contact box.
Description
Technical field
The insulating part in air-insulated metal-enclosed switchgear is the utility model is related to, specially a kind of open type is big
Electric current contact box.
Background technology
A kind of important insulating part of the contact box as air-insulated metal-enclosed switchgear, plays insulation and electrical connection is made
With.It is slidably connected because the electrical connection in contact box belongs to, connection resistance is big, and caloric value is big, and existing contact box generally existing dissipates
The problem of hot property is poor, especially in high current use occasion.In order to improve the heat dissipation problem in contact box, contact box is improved
Service life, existing structure is mostly using method that heat emission hole (groove) is set up in contact box wall.This kind of structure is in high current
Cooling requirements can not be met under occasion, but also reduce the creep age distance of contact box.
Utility model content
For problems of the prior art, the utility model provides a kind of open type large current contact box, use
It diversified aeration structure, can effectively be radiated, while add the creep age distance of contact box, improve contact box uses the longevity
Life.
The utility model is to be achieved through the following technical solutions：
A kind of open type large current contact box, including insulation box body and static contact in integral structure；
Described insulation box body both ends are provided with coaxial incoming line and line outlet, and incoming line lower end is provided with ventilating duct, inlet wire
Mouth outer wall upper end is provided with multiple first air vents, and incoming line outer wall lower end is provided with the ventilating duct of insertion insulation box body；
Described static contact is co-axially located in incoming line, and one end is fixedly connected with busbar in vitro in insulation booth, the other end
It is being connected in insulation booth body with moving contact.
Preferably, the line outlet periphery is extended to incoming line one end and climbs electric wall, climbs between electric wall and line outlet
Provided with the second air vent.
Further, the curved waist round hole of the second described air vent is set, and multiple second air vents, which are uniformly arranged on, climbs
On end face between electric wall and line outlet.
Preferably, incoming line outer wall lower end extends axially outwardly the extension upper wall for setting and forming ventilating duct, line outlet
Lower end edge stretches out with extension upper wall identical direction sets the extension lower wall for forming ventilating duct, extends and the 3rd is set on lower wall
Air vent.
Further, described third venting hole is in axially disposed waist round hole, is symmetricly set on extension lower wall and is prolonged
Stretch the part that upper wall blocks.
Preferably, the fixing end of the static contact and busbar, the 4th axially disposed air vent and vertical with axis
Multiple ventilation slots.
Further, the length direction of described ventilation slot and busbar be arranged in parallel.
Further, busbar is fixedly connected with static contact by screw.
Preferably, insulation box body and static contact are made up of integrated casting shaping.
Compared with prior art, the utility model has technique effect beneficial below：
A kind of open type large current contact box of the utility model, the diversified aeration structure of use can quickly dredge contact box
The heat of interior accumulation, the problem of temperature rise in contact box in the case of high current is rationally and effectively improved, improves making for contact box
Use the life-span.
Further, the extension upper wall of incoming line lower end ventilating duct and extension lower wall, in increase area of dissipation and tool
While body, it can be used as and climb electric wall, add the creep age distance of indentation, there, ensure that the insulation safety of contact box.
Brief description of the drawings
Fig. 1 is the complete section schematic front view of contact capsule described in the example of the utility model.
Fig. 2 is the line outlet axle side schematic diagram of contact capsule described in the example of the utility model.
Fig. 3 is the axle side schematic diagram of static contact described in the example of the utility model.
Fig. 4 is the incoming line axle side schematic diagram of contact capsule described in the example of the utility model.
Fig. 5 is the right view of contact box described in the example of the utility model.
In figure：Insulate box body 1, static contact 2, incoming line 3, line outlet 4, ventilating duct 5, third venting hole 6, the 4th air vent
7th, ventilation slot 8, climb electric wall 9, the second air vent 10, the first air vent 11, busbar 12, moving contact 13.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, it is described be to it is of the present utility model explanation and
It is not to limit.
A kind of open type large current contact box of the utility model, set for air insulation metal enclosed switch in this example
Illustrated in standby, as Figure 1-5, it includes insulate box body 1, moving contact 13, static contact 2 and busbar 12.The insulation He of box body 1
The integrated casting of static contact 2, moving contact 13 are connected with static contact 2, and busbar 12 is connected by screw with static contact 2；
Static contact 2 is provided with the 4th air vent 7 and the multiple ventilation slots 8 vertical with axis vertically；Insulation box body 1 both ends
Provided with incoming line 3 and line outlet 4, the lower end of incoming line 3 is provided with ventilating duct 5, and the outer wall upper end of incoming line 3 is provided with multiple first air vents
11；The outer wall of ventilating duct 5 is provided with third venting hole 6；It is with outside line outlet 4 and climbs electric wall 9, climbs between electric wall 9 and line outlet 4 and be provided with the
Two air vents 10.Static contact 2 is co-axially located in incoming line 3, and one end is fixedly connected outside insulation box body 1 with busbar 12, another
End is being connected in insulation box body 1 with moving contact 13.
The periphery of line outlet 4 be extended to the one end of incoming line 3 have an annular climb electric wall 9, climb between electric wall 9 and line outlet 4
Provided with the second air vent 10.Second air vent, 10 curved waist round hole is set, and multiple second air vents 10, which are uniformly arranged on, climbs electricity
On end face between wall 9 and line outlet 4.
The outer wall lower end of incoming line 3 extends axially outwardly the extension upper wall for setting and forming ventilating duct 5, the lower end of line outlet 4
The extension lower wall for forming ventilating duct 5 is set along stretching out with extension upper wall identical direction, extends and threeway is set on lower wall
Air holes 6.The cross section for extending upper wall and extension lower wall is in circular arc, and the length for extending lower wall is more than the length of derivative upper wall,
And the length of extension upper wall is more than the thickness after busbar 12 is fixedly connected.Third venting hole 6 is in axially disposed waist round hole, right
Claim to be arranged on the part that the extended upper wall of extension lower wall blocks.
The fixing end of static contact 2 and busbar 12, the 4th axially disposed air vent 7 and the multiple ventilations vertical with axis
Groove 8.The length direction of ventilation slot 8 and busbar 12 be arranged in parallel.
Static contact described in the utility model is connected to belong to and is slidably connected with moving contact, bus, and connection resistance is big, contact box
Interior heat accumulation, the integral heat sink of switching devices are unfavorable.The utility model is provided with ventilation on contact box box body and static contact
Structure, can quickly dredge the heat of accumulation in contact box, and the ventilating duct of incoming line lower end can add simultaneously as electric wall is climbed
The creep age distance of indentation, there.
Claims (9)
1. a kind of open type large current contact box, it is characterised in that including the insulation box body (1) and static contact in integral structure
(2)；
Described insulation box body (1) both ends are provided with coaxial incoming line (3) and line outlet (4), and incoming line (3) lower end is provided with ventilation
Road (5), incoming line (3) outer wall upper end are provided with multiple first air vents (11), and incoming line (3) outer wall lower end is provided with insertion insulation booth
The ventilating duct (5) of body (1)；
Described static contact (2) is co-axially located in incoming line (3), and one end is fixed with busbar (12) outside in insulation box body (1) to be connected
Connect, the other end is being connected in insulation box body (1) with moving contact (13).
A kind of 2. open type large current contact box according to claim 1, it is characterised in that line outlet (4) periphery
It is extended to incoming line (3) one end and climbs electric wall (9), is climbed and the second air vent is provided between electric wall (9) and line outlet (4)
(10)。
A kind of 3. open type large current contact box according to claim 2, it is characterised in that the second described air vent
(10) curved waist round hole is set, and multiple second air vents (10) are uniformly arranged on the end climbed between electric wall (9) and line outlet (4)
On face.
A kind of 4. open type large current contact box according to claim 1, it is characterised in that incoming line (3) outer wall lower end
Extend axially outwardly the extension upper wall that setting forms ventilating duct (5), lower end edge and the extension upper wall identical side of line outlet (4)
The extension lower wall of ventilating duct (5) is formed to the setting that stretches out, extends and third venting hole (6) is set on lower wall.
A kind of 5. open type large current contact box according to claim 4, it is characterised in that described third venting hole
(6) it is in axially disposed waist round hole, is symmetricly set on extension lower wall and is extended the part that upper wall blocks.
6. a kind of open type large current contact box according to claim 1, it is characterised in that the static contact (2) and mother
Arrange the fixing end of (12), the 4th axially disposed air vent (7) and the multiple ventilation slots (8) vertical with axis.
A kind of 7. open type large current contact box according to claim 6, it is characterised in that described ventilation slot (8) with
The length direction of busbar (12) be arranged in parallel.
8. a kind of open type large current contact box according to claim 1 or 6, it is characterised in that busbar (12) and stationary contact
Head (2) is fixedly connected by screw.
9. a kind of open type large current contact box according to claim 1, it is characterised in that insulation box body (1) and stationary contact
Head (2) is made up of integrated casting shaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915047.XU CN207038935U (en) | 2017-07-26 | 2017-07-26 | A kind of open type large current contact box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720915047.XU CN207038935U (en) | 2017-07-26 | 2017-07-26 | A kind of open type large current contact box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207038935U true CN207038935U (en) | 2018-02-23 |
Family
ID=61462572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720915047.XU Active CN207038935U (en) | 2017-07-26 | 2017-07-26 | A kind of open type large current contact box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207038935U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682596A (en) * | 2018-06-05 | 2018-10-19 | 河南森源电气股份有限公司 | Connect busbar and the dc circuit breaker using the busbar |
| CN109066437A (en) * | 2018-07-27 | 2018-12-21 | 上海天灵开关厂有限公司 | A kind of contact box structure of metal enclosed high current handcart-type switch equipment |
| CN110739632A (en) * | 2018-07-20 | 2020-01-31 | 平高集团有限公司 | kinds of contact box and switch cabinet using same |
-
2017
- 2017-07-26 CN CN201720915047.XU patent/CN207038935U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108682596A (en) * | 2018-06-05 | 2018-10-19 | 河南森源电气股份有限公司 | Connect busbar and the dc circuit breaker using the busbar |
| CN110739632A (en) * | 2018-07-20 | 2020-01-31 | 平高集团有限公司 | kinds of contact box and switch cabinet using same |
| CN109066437A (en) * | 2018-07-27 | 2018-12-21 | 上海天灵开关厂有限公司 | A kind of contact box structure of metal enclosed high current handcart-type switch equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210817 Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. Address before: 710075 Shaanxi city of Xi'an province high tech Zone No. 7 Tang Xing Lu Patentee before: CHINA XD ELECTRIC Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee after: Xi'an High Voltage Electrical Apparatus Research Institute Co.,Ltd. Address before: 710077 No. 18 West Second Ring Road, Shaanxi, Xi'an Patentee before: XI'AN HIGH VOLTAGE APPARATUS RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |