CN208522281U - High-tension switch cabinet - Google Patents
High-tension switch cabinet Download PDFInfo
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- CN208522281U CN208522281U CN201821139586.XU CN201821139586U CN208522281U CN 208522281 U CN208522281 U CN 208522281U CN 201821139586 U CN201821139586 U CN 201821139586U CN 208522281 U CN208522281 U CN 208522281U
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- phase
- conductor
- moving contact
- input terminal
- tension switch
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Abstract
The utility model relates to high voltage control fields, and in particular to a kind of high-tension switch cabinet.The utility model in control cabinet by being arranged the three-phase disconnecting link including two three-phase moving contacts, the three-phase of three-phase input terminal connects two moving contacts by different connection types, control motor rotates forward when one three-phase moving contact closure, another three-phase moving contact controls motor reversal when being closed, to realize the positive and negative rotation of motor.The utility model has the advantages of simple structure, easy to operate, and motor is enable smoothly to switch between forward and reverse, effectively realizes the positive and negative rotation control of motor.
Description
Technical field
The utility model relates to high voltage control fields, and in particular to a kind of high-tension switch cabinet.
Background technique
In high-voltage electrical apparatus control field, switchgear is more and more widely used as important building block, example
As KYN28A-12 armored type withdraw-type ac metal closing switch gear is widely used in big power station, substation and work
In mine enterprise, in 3.6~12KV of voltage rating, the AC network that rated frequency is 50HZ, make as receiving and distributing electric energy
With.It is easy to use because of its reliable performance, it is also widely applied in user engineering these years.But with development, in order to full
Foot various requirement in practice proposes new demand to the construction of switchgear, such as existing high-tension switch cabinet is when designing,
The rotating forward demand of general consideration motor, cannot achieve the reversion control of motor, and some can be realized motor positive and inverse control
Device also all to there is circuit or hardware configuration complicated, be not easy to the problems such as designing and safeguarding, realized in high voltage control field tired
It is difficult.
Utility model content
The purpose of the utility model is to provide a kind of high-tension switch cabinets, to solve existing motor positive and inverse control device
Structure is complicated, is not easy to the problem of realizing.
To achieve the above object, the utility model provides a kind of high-tension switch cabinet, including cabinet body, is arranged in the cabinet body
There is three-phase disconnecting link, the three-phase disconnecting link includes three-phase static contact, and the three-phase static contact is connected with three-phase outlet terminal；Described three
Phase disconnecting link further includes the first three-phase moving contact and the second three-phase moving contact；A, B, C three-phase of three-phase input terminal pass through respectively
One conductor, the second conductor and third conductor connect A, B, C three-phase of first three-phase moving contact；The three-phase input terminal
A, B, C three-phase also connect C, B, A tri- of second three-phase moving contact by the 4th conductor, the 5th conductor and the 6th conductor respectively
Phase.
The beneficial effects of the utility model are: by the way that the three-phase knife including two three-phase moving contacts is arranged in control cabinet
The three-phase of lock, three-phase input terminal connects two moving contacts by different connection types, and a three-phase moving contact is closed time control
Motor processed rotates forward, another three-phase moving contact controls motor reversal when being closed, to realize the positive and negative rotation of motor.
Further, the three-phase input terminal, three-phase static contact, the first three-phase moving contact and the second three-phase moving contact
Three-phase terminal laterally successively arrange.
Further, the three-phase input terminal, the first three-phase moving contact, three-phase static contact and the second three-phase moving contact edge
Up and down direction arrangement.
Further, first conductor, the second conductor and third conductor are the bending comprising vertical section and longitudinal sections
Conductor.
Further, the 4th conductor and the 6th conductor be comprising longitudinal sections, vertical section, traversing section, vertical section and
The bending conductor of longitudinal sections；5th conductor is the bending conductor for including longitudinal sections, vertical section and longitudinal sections.
The utility model has the advantages of simple structure, easy to operate, and motor is enable smoothly to switch between forward and reverse, effectively
Realize the positive and negative rotation control of motor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment middle-high voltage switch；
Fig. 2 is the practical structures schematic diagram of the utility model embodiment middle-high voltage switch；
Fig. 3 is schematic diagram when the utility model embodiment middle-high voltage switch control blower rotates forward；
Schematic diagram when Fig. 4 is the control blower reversion of the utility model embodiment middle-high voltage switch.
Specific embodiment
The utility model is described in more detail with reference to the accompanying drawing.
Existing motor positive and inverse control is generally used for vulnerabilities scan, is switched by switchings such as circuit control breakers
Switching, thus realize motor positive and inverse, but for high pressure field, power of motor is larger, general positive and negative rotation control is difficult
To be applicable in, also there is very high requirement for hardware configuration and electrical design, the utility model provides a kind of high voltage control cabinet,
By the way that two different connection relationships are arranged to the conductor between input terminal and switch, three are realized in conjunction with the switching of three-phase disconnecting link
The positive and negative rotation control of motor is realized in the change of phase power supply, and structure is simple, easy to operate.According to the structure to high-tension switch cabinet
Different transformation is carried out, the specific reality applied on blower can be given below there are many embodiment in the utility model
Apply example.
As shown in Figure 1, in figure 1 be manual-operating mechanism, 2 be current transformer, and 3 be pillar, and 5 be pillar, and 6 be leading-out terminal
Cable, 7 be double-throw disconnecting switch (three-phase disconnecting link), and 8 be pull rod.Fig. 2 is the practical structures schematic diagram of the embodiment, and 4 are in figure
Conductor (including conductor 41-46), in the present embodiment, the output end (i.e. three-phase input terminal) of current transformer passes through conductor and connects
The upper moving contact 11 of double-throw disconnecting switch, while three-phase input terminal also connects the lower moving contact of double-throw disconnecting switch by conductor
12, double-throw disconnecting switch further includes static contact, and static contact is arranged between two moving contacts, and static contact connects three-phase leading-out terminal.
Upper moving contact 11, static contact and lower moving contact 12 are respectively arranged with A, B, C three-phase binding post, are provided with insulator on binding post.
A, B, C three-phase of three-phase input terminal are correspondingly connected with A, B, C three-phase of moving contact, the i.e. A of three-phase input terminal
The A phase of upper moving contact 11 is mutually connected by conductor 41, the B phase of three-phase input terminal passes through the B that conductor 42 connects upper moving contact 11
Phase, the C phase of three-phase input terminal pass through the C phase that conductor 43 connects upper moving contact 11；A, B, C three-phase of three-phase input terminal simultaneously
Being correspondingly connected with C, B, A three-phase of lower moving contact, i.e. the A phase of three-phase input terminal passes through the C phase that conductor 44 connects lower moving contact 12,
The B phase of three-phase input terminal passes through the B phase that conductor 45 connects lower moving contact 12, and the C phase of three-phase input terminal passes through conductor 46 and connects
The A phase for connecing lower moving contact 12, the output end (i.e. three-phase outlet terminal) of double-throw disconnecting switch when can be realized disconnecting link switching in this way
ABC three-phase change, to realize motor positive and inverse.
The three-phase binding post of double-throw disconnecting switch is laterally arranged, on the body plus interlock, when separating brake is isolated in operation
When, lower isolation automatic closing, when combined floodgate is isolated in operation, lower isolation automatic brake separating.Double-throw disconnecting switch passes through pull rod and hand
Pneumatic operating mechanism connects.In other embodiments, the three-phase binding post of double-throw disconnecting switch can also it is vertically arranged or
Person is longitudinally disposed, and corresponding three-phase input terminal, disconnecting link and other devices also carry out corresponding adjustment according to the setting, such as on
Lower disconnecting link is changed to left and right disconnecting link, i.e. control disconnecting link acts in the lateral direction, realizes combined floodgate and separating brake.
Three-phase input terminal is connect by conductor with upper moving contact and lower moving contact, and the structure of conductor includes longitudinal sections, cross
It is transversely arranged for lateral standard with the three-phase binding post of double-throw disconnecting switch to section and vertical section, 4 (41-46) meaning in Fig. 2
Conductor position is vertical section, the shape and structure of conductor be not limited to the present embodiment in the example that provides, in other implementations,
Connection type can be changed according to physical condition, for example, in the conductor between increase traversing section, vertical section or other structures,
These changes also fall into the protection scope of the utility model.
As shown in figure 3, the handle of control manual-operating mechanism acts upward, disconnecting link 9 closes a floodgate on double-throw disconnecting switch, cuts
10 separating brake of lock, three-phase outlet terminal export ABC three-phase, and blower rotates forward.As shown in figure 4, the handle court of control manual-operating mechanism
Lower movement, disconnecting link separating brake on double-throw disconnecting switch, lower disconnecting link closes a floodgate, in the case that three-phase outlet terminal structure is constant, output
Power supply becomes CBA three-phase, blower reversion.Upper disconnecting link and lower disconnecting link are arranged on static contact.In other embodiments, it grasps manually
Making mechanism modes, these modes such as can be controlled for example, by using two handles respectively and be in realization using other modes
The combined floodgate and separating brake of lower disconnecting link, therefore these changes also belong to the protection scope of the utility model.
Be presented above the utility model relates to specific embodiment, but the utility model is not limited to described reality
Mode is applied, in other embodiments, the arrangement of three-phase disconnecting link three-phase binding post is changed, the adjustment of conductor shape is connected, with
And other implementations of disconnecting link movement, the technical solution formed in this way is to be finely adjusted to be formed to above-described embodiment, this
Technical solution is still fallen in the protection scope of the utility model.
Claims (5)
1. a kind of high-tension switch cabinet, it is characterised in that: including cabinet body, three-phase disconnecting link, the three-phase knife are provided in the cabinet body
Lock includes three-phase static contact, and the three-phase static contact is connected with three-phase outlet terminal；The three-phase disconnecting link further includes the first three-phase
Moving contact and the second three-phase moving contact；A, B, C three-phase of three-phase input terminal pass through the first conductor, the second conductor and third respectively
Conductor connects A, B, C three-phase of first three-phase moving contact；A, B, C three-phase of the three-phase input terminal are also respectively by the
Four conductors, the 5th conductor and the 6th conductor connect C, B, A three-phase of second three-phase moving contact.
2. a kind of high-tension switch cabinet according to claim 1, it is characterised in that: the three-phase input terminal, three-phase stationary contact
The three-phase terminal of head, the first three-phase moving contact and the second three-phase moving contact is laterally successively arranged.
3. a kind of high-tension switch cabinet according to claim 1 or 2, it is characterised in that: the three-phase input terminal, the one or three
Phase moving contact, three-phase static contact and the second three-phase moving contact are arranged along the vertical direction.
4. a kind of high-tension switch cabinet according to claim 3, it is characterised in that: first conductor, the second conductor and
Three conductors are the bending conductor comprising vertical section and longitudinal sections.
5. a kind of high-tension switch cabinet according to claim 4, it is characterised in that: the 4th conductor and the 6th conductor are
Bending conductor comprising longitudinal sections, vertical section, traversing section, vertical section and longitudinal sections；5th conductor be include longitudinal sections, it is perpendicular
To the bending conductor of section and longitudinal sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139586.XU CN208522281U (en) | 2018-07-18 | 2018-07-18 | High-tension switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139586.XU CN208522281U (en) | 2018-07-18 | 2018-07-18 | High-tension switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208522281U true CN208522281U (en) | 2019-02-19 |
Family
ID=65336061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821139586.XU Active CN208522281U (en) | 2018-07-18 | 2018-07-18 | High-tension switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208522281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767683A (en) * | 2018-07-18 | 2018-11-06 | 河南森源电气股份有限公司 | A kind of high-tension switch cabinet |
-
2018
- 2018-07-18 CN CN201821139586.XU patent/CN208522281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108767683A (en) * | 2018-07-18 | 2018-11-06 | 河南森源电气股份有限公司 | A kind of high-tension switch cabinet |
| CN108767683B (en) * | 2018-07-18 | 2024-01-19 | 河南森源电气股份有限公司 | High-voltage switch cabinet |
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