CN206774887U - A kind of power distribution cabinet and the transformer station using the power distribution cabinet - Google Patents
A kind of power distribution cabinet and the transformer station using the power distribution cabinet Download PDFInfo
- Publication number
- CN206774887U CN206774887U CN201720619805.3U CN201720619805U CN206774887U CN 206774887 U CN206774887 U CN 206774887U CN 201720619805 U CN201720619805 U CN 201720619805U CN 206774887 U CN206774887 U CN 206774887U
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- China
- Prior art keywords
- cabinet
- residual current
- power distribution
- current action
- action breaker
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Abstract
It the utility model is related to a kind of power distribution cabinet and the transformer station using the power distribution cabinet, power distribution cabinet includes the interior cabinet for being provided with distribution main line, outgoing line unit is provided with the cabinet, the outgoing line unit includes the residual current action breaker being series in main line, the leading-out terminal of the residual current action breaker is in series with earthing isolator, the problem of direct hot line job residual current action breaker of personnel is avoided by the setting of earthing isolator, with certain ground protection function, ensure the safety of operating personnel.
Description
Technical field
It the utility model is related to a kind of power distribution cabinet and the transformer station using the power distribution cabinet.
Background technology
JP comprehensive distribution boxes are a kind of New Low Voltages for integrating electric energy distribution, metering, protection, control and reactive-load compensation
Comprehensive distribution box.The product is primarily adapted for use in exchange 50Hz, rated voltage 400V rural power grids and city net low-voltage distribution system.With
Deepening continuously and developing for upgrade of rural power grids, substantial amounts of JP comprehensive distribution boxes are applied to rural power line and each distribution
In taiwan area, but most power distribution cabinet does not possess ground protection function at present.
Such as a kind of JP rural power grids case, the rural power grids are disclosed in the Chinese patent document that Authorization Notice No. is CN205882464U
Be provided with wire inlet unit, outgoing line unit, metering units and reactive compensation unit in case, wherein outgoing line unit include disconnecting switch and
Outlet residual current operated protective device, disconnecting switch connect respectively at corresponding breaker of plastic casing, outlet residual current operated protective device with every
Leave connection to connect, when can so ensure the component failure in power distribution cabinet and need maintenance, thrown with breaker, cutting load electricity
Stream, then forms obvious cut-off point with disconnecting switch, but this power distribution cabinet does not have earth protective device, and this is easy for leading
The danger that cause personnel's on-load is operated a switch.
The content of the invention
The purpose of this utility model is to provide a kind of distribution box do not possess ground connection to solve distribution box of the prior art
The problem of protection device；The purpose of this utility model, which also resides in, provides a kind of transformer station using the power distribution cabinet.
To achieve the above object, a kind of the first technical scheme of power distribution cabinet of the utility model is：A kind of power distribution cabinet, including
The interior cabinet provided with distribution main line, outgoing line unit is provided with the cabinet, and the outgoing line unit includes being series at main line
In residual current action breaker, the leading-out terminal of the residual current action breaker is in series with earthing isolator.
A kind of second of technical scheme of power distribution cabinet of the utility model be：In the first of a kind of power distribution cabinet of the utility model
On the basis of technical scheme, controller, the controller bag are provided between residual current action breaker and earthing isolator
Include the closedown structure for limiting residual current action breaker ability divide-shut brake only after earthing isolator closure.
A kind of the third technical scheme of power distribution cabinet of the utility model is：At second of a kind of power distribution cabinet of the utility model
On the basis of technical scheme, closedown structure has solution lock-bit and locking position, and the earthing isolator has corresponding with solution lock-bit
Contact of earth position, and sub-gate position corresponding with locking position.
A kind of 4th kind of technical scheme of power distribution cabinet of the utility model be：In the third of a kind of power distribution cabinet of the utility model
On the basis of technical scheme, residual current action breaker includes the signal receiving end being connected with controller, and the signal receives
End connects with controller sampling.
A kind of 5th kind of technical scheme of power distribution cabinet of the utility model be：At the 4th kind of a kind of power distribution cabinet of the utility model
On the basis of technical scheme, earthing isolator fixing assembling is in the installation region of outgoing line unit.
A kind of 6th kind of technical scheme of power distribution cabinet of the utility model be：In a kind of power distribution cabinet of the utility model first,
Second, third, the 4th or the 5th kind of technical scheme on the basis of, cabinet is additionally provided with metering units, wire inlet unit and idle benefit
Unit is repaid, the cabinet includes the crossbeam being arranged between the adjacent unit of any two, the earthing isolator and residue
Electric current action breaker is installed on the crossbeam between outgoing line unit and reactive compensation unit.
The first technical scheme of transformer station of the present utility model is：Transformer station, including transformer and it is arranged on transformer
The power distribution cabinet of side, the power distribution cabinet include the interior cabinet for being provided with distribution main line, are provided with outgoing line unit in the cabinet, institute
State the residual current action breaker that outgoing line unit includes being series in main line, the leading-out terminal string of residual current action breaker
It is associated with earthing isolator.
Second of technical scheme of transformer station of the present utility model be：In the first technology of transformer station of the present utility model
On the basis of scheme：Controller is provided between residual current action breaker and earthing isolator, the controller includes using
In the closedown structure of limitation residual current action breaker ability divide-shut brake only after earthing isolator closure.
The third technical scheme of transformer station of the present utility model is：In second of technology of transformer station of the present utility model
On the basis of scheme：Closedown structure has a solution lock-bit and locking position, and the earthing isolator has that lock-bit is corresponding connects with solution
Ground closing position, and sub-gate position corresponding with locking position.
4th kind of technical scheme of transformer station of the present utility model be：In the third technology of transformer station of the present utility model
On the basis of scheme：Residual current action breaker includes the signal receiving end that be connected with controller, the signal receiving end and
Controller sampling connection.
5th kind of technical scheme of transformer station of the present utility model be：In the 4th kind of technology of transformer station of the present utility model
On the basis of scheme：Earthing isolator fixing assembling is in the installation region of outgoing line unit.
6th kind of technical scheme of transformer station of the present utility model be：In transformer station of the present utility model first, second,
Three, the 4th or the 5th kind of technical scheme on the basis of：Cabinet is additionally provided with metering units, wire inlet unit and reactive-load compensation list
Member, the cabinet include the crossbeam being arranged between the adjacent unit of any two, the earthing isolator and residual current
Action breaker is installed on the crossbeam between outgoing line unit and reactive compensation unit.
The beneficial effects of the utility model are：Compared to prior art, the distribution box involved by the utility model, by setting
The earthing isolator put is connected with residual current acting open circuit, can be realized when remaining action breaker needs divide-shut brake,
The problem of direct hot line job residual current action breaker of personnel is avoided by the setting of earthing isolator, have certain
Ground protection function, ensure the safety of operating personnel.
Brief description of the drawings
Fig. 1 is the interior layout figure of one embodiment of the utility model power distribution cabinet；
Fig. 2 is the structural representation of one embodiment of the utility model power distribution cabinet；
Fig. 3 is Fig. 2 rearview；
Fig. 4 is Fig. 2 left view；
Fig. 5 is Fig. 2 right view；
Fig. 6 is Fig. 2 upward view；
Fig. 7 is Fig. 2 top view；
Fig. 8 is the topology view of Fig. 2 midsoles supporting plate 6；
Fig. 9 is Fig. 8 A direction views；
Figure 10 is the topology view of lamina tecti 5 in Fig. 2；
Figure 11 is Figure 10 B direction views；
Figure 12 is that Fig. 1 removes the interior views after the flygate structure of front side；
Figure 13 is Figure 12 E direction views；
Figure 14 is Figure 12 cabinet body structure；
Figure 15 is Figure 14 C direction views；
Figure 16 is Figure 14 D direction views；
Figure 17 is Figure 14 rearview；
Figure 18 is the use state figure for loading electrical part in Figure 17.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment of power distribution cabinet of the present utility model, as shown in Fig. 1 to Figure 18, the power distribution cabinet includes front and rear enabling
Cabinet, wire inlet unit 1, outgoing line unit 4, reactive compensation unit 3 and metering units 22 is provided with cabinet, cabinet includes cabinet frame
Frame, the surrounding entirety welding of cabinet body frame have lamina tecti 5, bottom supporting plate 6, left plate 7, right plate 8, front side flygate structure 9
With rear side flygate structure 10, wherein cabinet body frame includes external frame and is arranged on the vertical brace and crossbeam of inside, and by vertical
Support and crossbeam will be divided into for installing wire inlet unit 1, outgoing line unit 4, reactive compensation unit 3 and metering units 2 inside cabinet
Four regions.Above-mentioned front side flygate structure 9 and rear side flygate structure 10 is connected to cabinet body frame by hinge 14 respectively
On, the left and right sides of lamina tecti 5 is concordant with the outer plate surface of corresponding left plate 7, right plate 8 respectively.
The shutter 15 of two groups of perpendicular row is provided with the left and right side plate of above-mentioned cabinet, each group by two perpendicular row arrangements
Shutter 15 form, the purpose of shutter 15 is to form cross-ventilation ventilation and heat, and each group of two perpendicular column pitch are preferred
For 60mm, the spacing between two groups is preferably 360mm；Both sides on left plate 7 positioned at shutter 15 are additionally provided with two diameters
Preferably 90mm and 100mm cable aperture 11, wherein 100mm cable aperture are located at inlet wire of the top for cable of left plate 7,
The bottom that 90mm cable aperture is arranged on left plate 7 is used for cable outlet, and the same position of left plate 7 is corresponded on right plate 8
The cable outlet hole 13 for being equipped with that a diameter is preferably 90mm is installed, at the aperture in above-mentioned cable aperture 11 and cable outlet hole 13
Riveting has the waterproof elbow 12 of corresponding diameter, and the opening of waterproof elbow 12 is downward；In addition, corresponding hundred on left plate 7
The 24 mesh stainless steel cloths that diameter is not more than 1mm are welded with the inner side plate face of leaf window 15, the top of right plate 8 offers one
Diameter is preferably the 13mm screw hole 19 for being used to fill M12 earthing screws.
Above-mentioned lamina tecti 5 is flat board, and its left and right sides full weld is welded with top-side panel 16, in the left and right two of lamina tecti 5
Platoon leader's circular hole 18 is offered on individual side, for the ventilation and heat of inside, the lower half of the shape of top-side panel 16 similar to type
Portion, it is preferably 250mm to offer spacing two-by-two on the upper side wall of top-side panel 16, and performs preferably 17mm three circular holes, together
When same location on left plate 7 and right plate 8 at open up three same circular holes, welded in the downside plate face of lamina tecti 5
The upper beam 20 for having two sections to be U-shaped, for the reinforcement as lamina tecti 5, prevents lamina tecti 5 from deforming, is supportted on two U-shapeds
Spacing between beam 20 is preferably 480mm, and the distance with left and right top-side panel 16 is preferably 355mm and 515mm, U-shaped upper beam 20
Two-arm on offer platoon leader's circular hole, for fixing above-mentioned vertical brace, upper beam 20 is using 304 thick 2mm stainless steels
Matter is made.
Above-mentioned vertical brace includes left vertical brace 21 and right vertical brace 38, wherein the distance bottom supporting plate on the madial wall of right plate 8
62 be preferably 17mm, apart from the place vertical brace of right plate 8 outside spacing to be provided with the stainless steel stud of M6 × 16 at 260mm, with
Start on the basis of the stainless steel stud, four stainless steel studs that spacing is 200mm are welded on a horizontal line, for solid
Fixed right vertical brace 38, is also welded with the stainless steel stud of M4 × 12 for fixing radiator fan on right plate 8, on right plate 8 also
It is welded with the capacitor support of a L-shaped, is welded with left plate 7 with the corresponding position of right plate 8 an equal amount of stainless
Steel stud, for fixing left vertical brace 21.
Be provided with the bottom supporting plate 6 of cabinet an a diameter of 110mm the standby hole 61 of long cable section of ingoing line and two diameters
It is the 90mm standby hole 62 of cable outlet, and first, second, third time support beam, first time support is welded with bottom supporting plate 6
Spacing between beam 63 and second time support beam 64 is 488mm, and second time support beam 64 and the three times spacing for supportting beams 65 are 808mm,
Firstth, the three times support beams are used to reinforce cabinet, and second time support beam 64 is applied not only to support solid cabinet, prevents from deforming, also opens up thereon
Have for the circular hole using thread tapping mounting means installation vertical brace.
Above-mentioned metering units 2 are arranged on the left front portion of cabinet, are separated by 1.2mm aluminizing zinc dividing plate 23 with surrounding, tool
There is anti-stealing electricity function.
The right front portion of cabinet is provided with reactive compensation unit 3, and reactive-load compensation switch installation board 28 is provided with cabinet, idle
Breaker of plastic casing 25, low-voltage reactive power controller 26, condensation controller 27 are provided with compensating switch installing plate 28 and is taken shelter from the thunder
Device 24；Welding support 31 is horizontally connected between the middle vertical brace 29 of front and rear sides, welds and offers a diameter of 530mm on support 31
Circular hole be used for by way of thread tapping fixed capacity device support and dividing plate, apart from bottom supporting plate 62 be preferably 90mm height
Degree is provided with capacitor installing plate 30, is provided with common benefit formula enhanced smart integrated form electric power capacitive means 31 and distribution
Formula enhanced smart integrated form electric power capacitive means 32.
Above-mentioned outgoing line unit 4 is arranged on the right rear portion in cabinet, and vertical brace also includes being connected in cabinet centre position
Vertical brace 29, it is fixed with four mounting rails laterally set successively with bolt from top to bottom between right vertical brace 38 and middle vertical brace 29
22, wherein top leaves sufficient space and is easily installed horizontal copper bus-bar, then two residual current actings are installed downwards successively
The anti-error type ground connection isolator 33 of breaker 34, two, the end of incoming cables of above-mentioned residual current action breaker 34 passes through branch's copper
Row is connected in copper busbar, and residual current action breaker 34 is grounded isolator 33 also by copper cash busbar phase with anti-error type
Even；Anti-error type ground connection isolator includes earthing isolator and the closedown structure with earthing isolator synchronization action, wherein closing
Lock construction includes the anti-error handle with mechanical lock buckle interlocked between the operation handle of earthing isolator.
Automatic blocking is realized by electrical connection between residual current action breaker 34 and anti-error type ground connection isolator 33
Function, and now residual current action breaker is switched to the automatic divide-shut brake mould controlled by anti-error type ground connection isolator 33
Formula, it can effectively prevent maloperation., will be anti-error by the upward in-place closing of the operation handle of isolator when power supply needs to connect
The operation handle of handle and disconnecting switch mutually snaps together, and realizes blocking mechanism locking, and it is anti-to being placed in export switching signal
The residual current action breaker 34 of type ground connection isolator 33 upper end by mistake so that the signal of residual current action breaker 34 receives
End obtains switching signal, and then control operation mechanism causes remaining action breaker 34 to close a floodgate, and realizes and is powered, prevents that personnel are powered
Operation；Likewise, when needing maintenance, blocking mechanism locking, now due to the limitation of blocking mechanism, residual current acting open circuit
The signal receiving end of device 34 is not connected to sub-gate signal so that its own can not realize separating brake, it is necessary to first by anti-error handle with isolating
Handle is separated from each other unblock, and the operation handle that anti-error type is then grounded to isolator 33 is closed a floodgate downwards to ground connection position, then locking
Mechanism unlocks, and exports sub-gate signal to residual current action breaker 34 so that the interior behaviour of residual current action breaker 34
Make mechanism separating brake action, and then cut off main circuit, prevent operating personnel's on-load from operating a switch., can by this control mode
Ensure when being operated to residual current action breaker, it is thus only necessary to operate anti-error type ground connection isolator 33, there is ground connection
While function, it is thus also avoided that the maloperation of operating personnel, improve the personal safety of operating personnel.
Above-mentioned wire inlet unit 1 be arranged on cabinet left back portion, between left vertical brace 21 and middle vertical brace 29 from top to bottom according to
It is secondary to fix right three mounting rails 34 with bolt, it is used to inlet wire copper bar be installed likewise, enough spaces are left at top, then successively
Adjustable moulded case circuit breaker, Surge Protector 26 etc. are installed downwards.
The position that metering units 2 are corresponded in the front side flygate structure 9 of above-mentioned cabinet is provided with observation window, is easy to observe
The operating mode of ammeter inside cabinet.
Lower left quarter in above-mentioned cabinet is provided with ground connection PE rows.
The outside of cabinet is provided with boom hoisting, it includes L-type inequilateral and hangs steel 17, gusset support, hoisting board etc..
Cabinet body frame and flygate structure are made of 304 thick stainless steel materials of 2mm, outside plastic-spraying sea grey；Cabinet
Mounting rail, installing plate in body framework are aluminizing zine plate material, remove the processing of material surface technique from.
In other embodiments, anti-error type ground connection isolator can be directly disposed as the earthed switch with chain function, and
Earthed switch and residual current action breaker control are connected, when residual current action breaker needs to be powered, kept apart
Shut-off, which is opened, drives residual current action breaker to be powered, and when needing maintenance, disconnecting switch closure ground connection drives residual current to move
Make breaker open operation；Ground connection isolator can be arranged on outside cabinet；It is grounded between isolator and residual current action breaker
It can be realized using machine driving chain；Residual current action breaker can be by residual current operated protective device and automatic switch breaker
Substitute.
Transformer station involved by the utility model, including transformer and the power distribution cabinet for being arranged on transformer side, power distribution cabinet
Concrete structure it is consistent with above-mentioned power distribution cabinet structure type, be no longer developed in details.
Claims (12)
1. a kind of power distribution cabinet, including the interior cabinet provided with distribution main line, outgoing line unit, the outlet are provided with the cabinet
Unit includes the residual current action breaker being series in main line, it is characterised in that：The residual current action breaker
Leading-out terminal be in series with earthing isolator.
2. power distribution cabinet according to claim 1, it is characterised in that：The residual current action breaker is kept apart with ground connection
Controller is provided between pass, the controller includes being used to limit residual current action breaker only in earthing isolator closure
Afterwards could divide-shut brake closedown structure.
3. power distribution cabinet according to claim 2, it is characterised in that：The closedown structure has solution lock-bit and locking position, institute
Stating earthing isolator has contact of earth position corresponding with solution lock-bit, and sub-gate position corresponding with locking position.
4. power distribution cabinet according to claim 3, it is characterised in that：The residual current action breaker includes and controller
The signal receiving end of connection, the signal receiving end connect with controller sampling.
5. power distribution cabinet according to claim 4, it is characterised in that：The earthing isolator fixing assembling is in outgoing line unit
Installation region in.
6. the power distribution cabinet according to any one of claim 1 ~ 5, it is characterised in that：It is single that the cabinet is additionally provided with metering
Member, wire inlet unit and reactive compensation unit, the cabinet includes the crossbeam being arranged between the adjacent unit of any two, described
Earthing isolator and residual current action breaker are installed on the crossbeam between outgoing line unit and reactive compensation unit.
7. transformer station, including transformer and the power distribution cabinet for being arranged on transformer side, the power distribution cabinet are provided with distribution master including interior
The cabinet of circuit, outgoing line unit is provided with the cabinet, and the outgoing line unit includes the residual current being series in main line
Action breaker, it is characterised in that：The leading-out terminal of the residual current action breaker is in series with earthing isolator.
8. transformer station according to claim 7, it is characterised in that：The residual current action breaker is kept apart with ground connection
Controller is provided between pass, the controller includes being used to limit residual current action breaker only in earthing isolator closure
Afterwards could divide-shut brake closedown structure.
9. transformer station according to claim 8, it is characterised in that：The closedown structure has solution lock-bit and locking position, institute
Stating earthing isolator has contact of earth position corresponding with solution lock-bit, and sub-gate position corresponding with locking position.
10. transformer station according to claim 9, it is characterised in that：The residual current action breaker includes and control
The signal receiving end of device connection, the signal receiving end connect with controller sampling.
11. transformer station according to claim 10, it is characterised in that：The earthing isolator fixing assembling is in outlet list
In the installation region of member.
12. the transformer station according to any one of claim 7 ~ 11, it is characterised in that：It is single that the cabinet is additionally provided with metering
Member, wire inlet unit and reactive compensation unit, the cabinet includes the crossbeam being arranged between the adjacent unit of any two, described
Earthing isolator and residual current action breaker are installed on the crossbeam between outgoing line unit and reactive compensation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619805.3U CN206774887U (en) | 2017-05-31 | 2017-05-31 | A kind of power distribution cabinet and the transformer station using the power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720619805.3U CN206774887U (en) | 2017-05-31 | 2017-05-31 | A kind of power distribution cabinet and the transformer station using the power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774887U true CN206774887U (en) | 2017-12-19 |
Family
ID=60639811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720619805.3U Expired - Fee Related CN206774887U (en) | 2017-05-31 | 2017-05-31 | A kind of power distribution cabinet and the transformer station using the power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206774887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767509A (en) * | 2019-09-11 | 2020-02-07 | 辽宁电能发展股份有限公司 | Low-voltage circuit breaker |
-
2017
- 2017-05-31 CN CN201720619805.3U patent/CN206774887U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767509A (en) * | 2019-09-11 | 2020-02-07 | 辽宁电能发展股份有限公司 | Low-voltage circuit breaker |
| CN110767509B (en) * | 2019-09-11 | 2021-08-24 | 辽宁电能发展股份有限公司 | Low-voltage circuit breaker |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210531 |