CN205092424U - Cabinet door and cubical switchboard of cubical switchboard - Google Patents
Cabinet door and cubical switchboard of cubical switchboard Download PDFInfo
- Publication number
- CN205092424U CN205092424U CN201520875657.2U CN201520875657U CN205092424U CN 205092424 U CN205092424 U CN 205092424U CN 201520875657 U CN201520875657 U CN 201520875657U CN 205092424 U CN205092424 U CN 205092424U
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- CN
- China
- Prior art keywords
- cabinet door
- cabinet
- door body
- protective plate
- wall body
- 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.)
- Expired - Fee Related
Links
- 230000000694 effects Effects 0.000 claims abstract description 18
- 238000005728 strengthening Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 52
- 239000003351 stiffener Substances 0.000 claims description 25
- 230000005855 radiation Effects 0.000 claims description 7
- 230000035515 penetration Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 3
- 238000013475 authorization Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model relates to a cabinet door and cubical switchboard of cubical switchboard. The cabinet door is including setting up the thermovent on cabinet door body and corresponding the guard plate that the thermovent activity set up, and the guard plate has the pressure release shutoff position and the open position of dispelling the heat, and the at least one side on the cabinet door body around the guard plate is equipped with the cabinet door additional strengthening who is used for strengthening the intensity of cabinet door body. The cubical switchboard includes cabinet wall body and cabinet door body, is equipped with the thermovent on cabinet wall body and/or the cabinet door body and corresponds the guard plate that the thermovent activity set up, and the guard plate has pressure release shutoff position and the open position of heat dissipation, and the at least one side on cabinet wall body and/or the cabinet door body around the guard plate is equipped with the cabinet body additional strengthening who is used for strengthening the intensity of cabinet wall body and/or cabinet door body. The deformation of cabinet wall body and/or cabinet door body when above -mentioned structure can reduce the pressure release is avoided because the guard plate guide is crooked or because the guard plate can't be laminated and lead to sealing performance to receive the influence with cabinet wall body or cabinet door body effectively, the reliability is high.
Description
Technical field
The utility model relates to cabinet door and the switch cubicle of switch cubicle.
Background technology
Switch cubicle is as the control appliance of the acceptance in field of power distribution and transmission of electric energy, and its structural safety performance directly has influence on power supply quality and Supply Security.There is safety defect in the design of traditional switch cabinet cabinet door, when electrification in high voltage compartment generation interior unit cell model, the high pressure of generation, high-temperature gas and other hazardous components are easily discharged by cabinet gate open air grid, have great potential safety hazard to the person of Field Force.
Application number is 201420338964.2, Authorization Notice No. is that the Chinese patent of CN204030356U discloses a kind of switch cubicle pressure release safeguard structure, the cabinet door of switch cubicle and switch cubicle, comprise the protective plate of the inner side activity setting corresponding to the thermovent on switch cubicle, described protective plate has for moving to desired location towards described thermovent and the pressure release shutoff position of thermovent described in shutoff, also there is the heat radiation open stance opened to make thermovent away from described thermovent for entirety, elastic component protective plate being applied to the active force moved towards open stance of dispelling the heat is provided with between the cabinet wall of described protective plate and switch cubicle, described elastic component have setting for deforming to make protective plate move to the rigidity of pressure release shutoff position under the effect when switch cubicle pressure release at protective plate.When switch cubicle normally runs, protective plate is open under the effect of elastic component, can for radiating airflow normal through, ensure heat radiation; And during switch cubicle pressure release, elastic component can deform to make protective plate move to pressure release shutoff position under the effect of protective plate, thus thermovent described in shutoff, avoid fault air-flow to spray from thermovent, ensure the safety of operating personnel.
But, because during pressure release, switch cubicle internal pressure is huge, cabinet door or the cabinet wall of switch cubicle easily deform, and protective plate is generally be fixed on cabinet door or cabinet wall by the guide such as bolt, lead, therefore during pressure release, guide is easily crooked, causes protective plate clamping stagnation and normally cannot close thermovent, and cabinet door or cabinet wall also can cause protective plate effectively to fit with cabinet door or cabinet wall after deforming simultaneously, cause partial sealing not tight, there is the problem of poor reliability.
Utility model content
The purpose of this utility model is to provide a kind of cabinet door and switch cubicle of switch cubicle, with the problem that the protection reliability solving protective plate in prior art is low.
The technical scheme that the cabinet door of the utility model breaker in middle cabinet adopts is: the cabinet door of switch cubicle, comprise the protective plate being arranged on thermovent on cabinet door body and the activity of corresponding thermovent and arranging, described protective plate has pressure release shutoff position and heat radiation open stance, and the cabinet door that at least side on described cabinet door body around described protective plate is provided with the intensity for strengthening cabinet door body strengthens structure.
It is be fixed on the stiffener on cabinet door body that described cabinet door strengthens structure.
Described stiffener is provided with towards the side of protective plate and dodges mouth, dodges mouth described in being positioned at least partially of described protective plate.
Described cabinet door body is planted and is welded with bolt, described stiffener is provided with bolt penetration hole and is fixed on cabinet door body by nut.
Described protective plate is arranged by guide activity, and described guide is the support bar that bottom is fixed on cabinet door body, and described support bar has level and smooth outer spigot surface and top is provided with along the axially extended screwed hole of guide.
The technical scheme that the utility model breaker in middle cabinet adopts is: switch cubicle, comprise cabinet wall body and cabinet door body, described cabinet wall body and/or cabinet door body are provided with the protective plate of thermovent and corresponding thermovent activity setting, described protective plate has pressure release shutoff position and heat radiation open stance, and the cabinet that at least side on described cabinet wall body and/or cabinet door body around described protective plate is provided with the intensity for strengthening cabinet wall body and/or cabinet door body strengthens structure.
It is be fixed on the stiffener on cabinet wall body and/or cabinet door body that described cabinet strengthens structure.
Described stiffener is provided with towards the side of protective plate and dodges mouth, dodges mouth described in being positioned at least partially of described protective plate.
Described cabinet wall body and/or cabinet door body are planted and is welded with bolt, described stiffener is provided with bolt penetration hole and is fixed on cabinet wall body and/or cabinet door body by nut.
Described protective plate is arranged by guide activity, and described guide is the support bar that bottom is fixed on cabinet wall body and/or cabinet door body, and described support bar has level and smooth outer spigot surface and top is provided with along the axially extended screwed hole of guide.
The utility model adopts technique scheme, the cabinet that at least side on cabinet wall body and/or cabinet door body around described protective plate is provided with for strengthening cabinet wall body and/or cabinet door bulk strength strengthens structure, it is that cabinet door strengthens structure and/or structure strengthened by cabinet wall that this cabinet strengthens structure, the distortion of cabinet wall body and/or cabinet door body when can reduce pressure release, avoid because protective plate guide is crooked or cannot because of protective plate effectively fit with cabinet wall body or cabinet door body and cause sealing property to be affected, can improve reliability, fail safe is better.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of the cabinet door of the utility model breaker in middle cabinet;
Fig. 2 is A-A cutaway view of Fig. 1;
Fig. 3 is the front view of protective plate in Fig. 1;
Fig. 4 is the cutaway view of Fig. 3;
Fig. 5 is the partial enlarged drawing at B place in Fig. 4.
The name that in figure, each Reference numeral is corresponding is called: 10-cabinet door body, 11-thermovent, 20-protective plate, 30-stiffener, and 31-dodges mouth, 40-observation window, 50-door lock, 60-emergency opening hole.
Embodiment
An embodiment of the cabinet door of the utility model breaker in middle cabinet is as shown in Fig. 1 ~ Fig. 5, comprise cabinet door body 10, the bottom of cabinet door body 10 is provided with the thermovent 11 of heat dissipating grid form, and the centre position at top is provided with observation window 40, lateral location is provided with emergency opening hole 60, and outside is provided with door lock 50.The structure of door lock 50 is prior art, cabinet door securing member can be pulled to unlock or lock, to open or locking cabinet door by upper and lower pull bar.
On cabinet door body 10, also corresponding thermovent 11 is movably set with protective plate 20, protective plate 20 similarly to the prior art, surrounding has flanging, and be provided with spring between cabinet door body 10, and there is pressure release shutoff position and heat radiation open stance on active strokes, arranged by the support bar activity be fixed on cabinet door body 10 unlike it, instead of arranged by bolt activity.Support bar has level and smooth outer spigot surface, can provide more smooth guiding.Support bar top is provided with along the axially extended screwed hole of support bar, and protective plate 20 corner location is provided with guide through hole, is set to after on support bar by screwing in the screw anticreep in screwed hole.
Cabinet door body 10 being provided with the stiffener 30 of the intensity for strengthening cabinet door body 10 in the upside of protective plate 20, forming cabinet door and strengthening structure.Cabinet door body 10 is planted and is welded with bolt, described stiffener 30 is provided with bolt penetration hole and is fixed on cabinet door body 10 by nut, adopts the mode of planting weldering, easy to operate, little to cabinet door body 10 intensity effect, is convenient to reequip existing cabinet.This stiffener 30 entirety is H type, there is the lateral part be arranged between protective plate 20 and observation window 40 and the longitudinal component being arranged on protective plate 20 both lateral sides, the bottom of longitudinal component and lateral part jointly surround for protective plate 20 enter dodge mouth 31, can effectively strengthen protective plate 20 surrounding structure.The longitudinal component of the close door lock 50 of stiffener 30 extends to top, strengthens better the side arranging door lock 50, avoids the side being provided with door lock 50 to occur distortion better.
During normal operation, between protective plate 20 and thermovent 11, under the action of the spring there is interval, keep normal ventilation and heat in cabinet; When in cabinet occur in arcing time, the pressure that this internal combustion arc guide causes can act on protective plate 20 and make it closely be attached to the medial surface place of cabinet body, ensure that in switch cubicle, arcing and fragment can not be flown out by thermovent 11, guarantee that in cabinet, the gas of HTHP outwards discharges from pressure release passage.In case of emergency, the emergency opening of switch cubicle is realized by emergency opening hole 60.The stiffener 30 arranged can have enough intensity to bear gases at high pressure, ensures the action message of protective plate 20 and the positiver sealing with door-plate simultaneously, improves reliability, fail safe.
In the above-described embodiments, it is stiffener 30 that the cabinet door for strengthening the intensity of cabinet door body 10 strengthens structure, and this stiffener 30 adopts and plants weldering and be bolted on cabinet door body 10.In other embodiments of the present utility model, cabinet door strengthens structure also can replace with other forms, such as, on cabinet door body 10, weld stiffener 30, or reinforcement is set, as long as the effect of the intensity strengthening cabinet door body 10 can be played, just can reduce the distortion of cabinet door, improve reliability.In addition, in above-described embodiment, the shape of stiffener 30 is H-shaped, and in other embodiments, the shape page of stiffener 30 can replace with other shapes as required, and the setting position of stiffener 30 also can adjust according to the deformation of cabinet door.
An embodiment of the utility model breaker in middle cabinet comprises cabinet wall body and cabinet door, and the cabinet door in cabinet door and above-described embodiment, repeats no more herein.In other embodiments, if cabinet wall body is provided with thermovent 11, it also can be adopt the cabinet of above-mentioned form stiffener 30 to strengthen structure that cabinet door strengthens structure, certainly, cabinet strengthens structure also can replace with other forms, as long as can play the intensity strengthening cabinet wall body.
Claims (10)
1. the cabinet door of switch cubicle, comprise the protective plate being arranged on thermovent on cabinet door body and the activity of corresponding thermovent and arranging, described protective plate has pressure release shutoff position and heat radiation open stance, it is characterized in that: the cabinet door that at least side on described cabinet door body around described protective plate is provided with the intensity for strengthening cabinet door body strengthens structure.
2. cabinet door according to claim 1, is characterized in that: it is be fixed on the stiffener on cabinet door body that described cabinet door strengthens structure.
3. cabinet door according to claim 2, is characterized in that: described stiffener is provided with towards the side of protective plate and dodges mouth, dodges mouth described in being positioned at least partially of described protective plate.
4. cabinet door according to claim 2, is characterized in that: described cabinet door body is planted and is welded with bolt, described stiffener is provided with bolt penetration hole and is fixed on cabinet door body by nut.
5. cabinet door according to claim 1, it is characterized in that: described protective plate is arranged by guide activity, described guide is the support bar that bottom is fixed on cabinet door body, and described support bar has level and smooth outer spigot surface and top is provided with along the axially extended screwed hole of guide.
6. switch cubicle, comprise cabinet wall body and cabinet door body, described cabinet wall body and/or cabinet door body are provided with the protective plate of thermovent and corresponding thermovent activity setting, described protective plate has pressure release shutoff position and heat radiation open stance, it is characterized in that: the cabinet that at least side on described cabinet wall body and/or cabinet door body around described protective plate is provided with the intensity for strengthening cabinet wall body and/or cabinet door body strengthens structure.
7. switch cubicle according to claim 6, is characterized in that: it is be fixed on the stiffener on cabinet wall body and/or cabinet door body that described cabinet strengthens structure.
8. switch cubicle according to claim 7, is characterized in that: described stiffener is provided with towards the side of protective plate and dodges mouth, dodges mouth described in being positioned at least partially of described protective plate.
9. switch cubicle according to claim 7, is characterized in that: described cabinet wall body and/or cabinet door body are planted and is welded with bolt, described stiffener is provided with bolt penetration hole and is fixed on cabinet wall body and/or cabinet door body by nut.
10. switch cubicle according to claim 6, it is characterized in that: described protective plate is arranged by guide activity, described guide is the support bar that bottom is fixed on cabinet wall body and/or cabinet door body, and described support bar has level and smooth outer spigot surface and top is provided with along the axially extended screwed hole of guide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875657.2U CN205092424U (en) | 2015-11-05 | 2015-11-05 | Cabinet door and cubical switchboard of cubical switchboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875657.2U CN205092424U (en) | 2015-11-05 | 2015-11-05 | Cabinet door and cubical switchboard of cubical switchboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205092424U true CN205092424U (en) | 2016-03-16 |
Family
ID=55483078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520875657.2U Expired - Fee Related CN205092424U (en) | 2015-11-05 | 2015-11-05 | Cabinet door and cubical switchboard of cubical switchboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205092424U (en) |
-
2015
- 2015-11-05 CN CN201520875657.2U patent/CN205092424U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20191105 |