CN203911327U - Switchgear - Google Patents
Switchgear Download PDFInfo
- Publication number
- CN203911327U CN203911327U CN201420057408.8U CN201420057408U CN203911327U CN 203911327 U CN203911327 U CN 203911327U CN 201420057408 U CN201420057408 U CN 201420057408U CN 203911327 U CN203911327 U CN 203911327U
- Authority
- CN
- China
- Prior art keywords
- pressure door
- pressure
- arc sheet
- preventing arc
- doorframe
- 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 - Lifetime
Links
- 230000000694 effects Effects 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims description 3
- 230000009191 jumping Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Special Wing (AREA)
Abstract
The utility model discloses a switchgear. The switchgear comprises a fixed high-voltage doorframe, and a high-voltage door pivoted to the high-voltage doorframe. The high-voltage door is equipped with a movable arc-preventing sheet. The arc-preventing sheet is configured to shield a slit between an end portion of the high-voltage door and the high-voltage doorframe and also shield nearby areas when the high-voltage door is locked. If aching occurs, the arc-preventing sheet is tightly adhered to the high-voltage door and the doorframe under the effect of pressure to prevent arc fault generation objects from jumping from the slit. The switchgear is also equipped with an interlocking device to protect the arc-preventing sheet from being damaged due to maloperation.
Description
Technical field
The utility model relates to middle high-pressure equipment, is specifically related to middle-high voltage switch.
Background technology
In switch cubicle, Internal faults arc accident seldom occurs, but can not avoid completely.Once it occurs, and will cause great harm to the person and equipment.When the inside arcing fault of switch cubicle occurs, fault electric arc can form high pressure and high temperature within very short time, equipment is produced to mechanical effect and thermal effect, equipment component as door high pressure effect under can deform, break, even raised, spray hot gas and red-hot particle to shell, and then equipment operations staff is damaged.For guaranteeing power equipment operations staff's personal safety, the parts that the door of switch cubicle etc. is easily washed open by arcing need reinforcement.
Summary of the invention
The purpose of this utility model is to provide a kind of novel switch cubicle, and it can prevent that arcing from breaking through the high-pressure door of switch cubicle.
According to an aspect of the present utility model, a kind of switch cubicle, comprise fixing high pressure doorframe and be articulated in the high-pressure door on described high pressure doorframe, the wherein preventing arc sheet of installation activity on described high-pressure door, described preventing arc sheet is configured to cover gap and the adjacent domain between end and the described high pressure doorframe of described high-pressure door in the time of described high-pressure door locking.
Wherein, described preventing arc sheet has kink and respectively at the extension of described kink both sides, wherein said preventing arc sheet is configured in the time of described high-pressure door locking, described kink covers the gap between described high-pressure door and described high pressure doorframe, and described extension respectively shelter is stated the end of high-pressure door and the corresponding region of described high pressure doorframe.
Wherein, described preventing arc sheet is configured to along moving perpendicular to the direction in described gap.
Wherein, described high-pressure door also comprises the interlock fixing with the operating mechanism of described preventing arc sheet, described interlock comprises interlocking latch and at least one spring in the axial setting of described interlocking latch, and the plate that is fixed on described high-pressure door is provided with the interlocking hole corresponding with described interlocking latch position, wherein said interlocking hole and described interlocking latch are configured to described interlocking latch under described high-pressure door open mode and stretch out described interlocking hole.
Wherein, described interlocking latch comprises the different Part I of radial dimension, Part II and Part III, and the radial dimension of wherein said Part I, Part II and Part III increases successively.
Further, described interlocking hole has from its circumference along this interlocking aperture to outward extending groove, and the width of wherein said groove is less than the radial dimension in described interlocking hole.
Wherein, a described preventing arc sheet dorsad side in described gap is fixedly installed the first push rod, one lever pivot joint is fixed on described high-pressure door, one end of described lever and described the first push rod pivot joint, the other end of described lever is connected with the second push rod, the push rod of described the second push rod and high-pressure door locking mechanism and the interlock of described interlock.
Positive progressive effect of the present utility model is: 1) in the time that arcing occurs, preventing arc sheet fits tightly high-pressure door and doorframe under the effect of pressure, stops that arc fault produces thing and scurries out from gap; 2) interlock protection preventing arc sheet is set, in order to avoid misoperation damages preventing arc sheet.
Brief description of the drawings
Fig. 1 is according to switch cubicle of the present utility model, and wherein high-pressure door, in open mode, illustrates the installation site of preventing arc sheet.
Fig. 2 is the schematic diagram of the preventing arc sheet in Fig. 1.
Fig. 3 illustrates the position view when high-pressure door preventing arc sheet under open mode.
Fig. 4 illustrates the position view when high-pressure door preventing arc sheet under locking states.
Fig. 5 and Fig. 6 illustrate the schematic diagram of preventing arc sheet operating mechanism, and wherein the position shown in Fig. 5 is the operating mechanism position under high-pressure door open mode, and the position shown in Fig. 6 is the operating mechanism position under high-pressure door locking states.
Fig. 7 to Fig. 9 illustrates the schematic diagram of preventing arc sheet interlock, and wherein, Fig. 7 illustrates the state of the interlock under high-pressure door open mode, and Fig. 8 illustrates that high-pressure door is closed but the state of interlock when locking not, the position of interlock when Fig. 9 illustrates high-pressure door locking.
Embodiment
Below in conjunction with preferred embodiment of the present utility model, the utility model is described.Many concrete details in description below, are enumerated.But, it will be appreciated by those skilled in the art that the utility model also can not adopt some or all in these details and realize.In some situations, known technology does not describe to avoid unnecessary obscuring.
As previously mentioned, when arcing fault occurs, inside switch cabinet is blasted, and high temperature and high pressure gas rushes at the high-pressure door of switch cubicle from inside.High-pressure door is typically provided with protective construction, is rushed to open preventing.But the place of gap up and down of high-pressure door is weak position.
According to the utility model, high-pressure door 1 at switch cubicle arranges preventing arc sheet 10 with the gap place of high pressure doorframe 2, and preventing arc sheet can cover described gap, can cover the end of high-pressure door and the region in contiguous this gap of doorframe simultaneously, thereby in the time that arcing fault occurs, high temperature and high pressure gas is pressed in preventing arc sheet at the gap place of high-pressure door and doorframe, and like this, high temperature and high pressure gas can not be gone out high-pressure door.
For this reason, according to the utility model, in one example, preventing arc sheet is configured to the parts that cross section is L-type, and it has bending part 12 and respectively in the extension 14,16 of these bending part both sides.As shown in the figure, in the time of high-pressure door locking, bending part covers the gap between high-pressure door and doorframe, and the end of high-pressure door and the part that doorframe is close to this gap are covered respectively in two extensions.
According to the utility model, for the ease of operating and avoiding hindering high-pressure door to open and close, preventing arc sheet is movably arranged on high-pressure door.In the time that high-pressure door is closed, preventing arc sheet is in covering the position (hidden position) in above-mentioned gap, and in the time that high-pressure door is opened, preventing arc sheet is removed hidden position.
For this reason, the motion of operating mechanism with operation preventing arc sheet is set.As illustrated in Figures 5 and 6, the bottom of preventing arc sheet is fixed with the first push rod 20.First end 32 pivot joints of the below of the first push rod and lever 30.This lever pivot joint is fixed on this high-pressure door,, for example, is articulated in the pivot being fixed on this high-pressure door that is.For further fastening high door, the bearing pin 50 fixing with this preventing arc sheet is also set.This bearing pin can be through the hole on high-pressure door and doorframe in the time that high-pressure door is closed.
The second end 34 of this lever is connected with the second push rod 40, and this second push rod can promote this lever rotation.In an example, this second push rod is provided with chute, and the second end of this lever is plugged in this chute.In other example, this second push rod can with this second end pivot joint.
Those skilled in the art are known, and in switch cubicle, high-pressure door has locking mechanism, can not open for locked high-pressure door in the time that high-pressure door is closed.As schemed in one embodiment, the push rod interlock of the locking mechanism of this second push rod and high-pressure door, from the time closing high-pressure door locking, the push rod of this locking mechanism drives this second push rod to move down, thereby pull this lever, make this preventing arc sheet move to described hidden position.Similarly, in the time that the high-pressure door of locking is opened, the push rod that operates this locking mechanism drives this second push rod to move up, and then pulls this lever to make this preventing arc sheet remove this hidden position downwards.
In other embodiment, also can an operating mechanism be set separately for this preventing arc sheet.
In the time that high-pressure door is opened, likely preventing arc sheet is moved to this hidden position by misoperation, now closes high-pressure door and will cause preventing arc sheet to damage.For this reason, interlock is set on high-pressure door.In one embodiment, this interlock is fixed on the operating mechanism of preventing arc sheet.In the embodiment of this specification, this interlock is fixed on the push rod of high-pressure door locking mechanism.
As shown in the figure, this interlock comprises a housing 60 being fixed on this push rod, and it has endoporus, and one end of spring 62 is resisted against this endoporus bottom, and the other end is located on interlocking latch 64.In an example, interlocking latch is cylindrical, comprise have the first diameter Part I 642, there is the Part II 644 of Second bobbin diameter and there is the Part III 646 of the 3rd diameter, wherein this first diameter, Second bobbin diameter and the 3rd diameter increase successively.Corresponding with this interlock position, the plate that is fixed on high-pressure door is provided with interlocking hole 70.The diameter in this hole is greater than this Second bobbin diameter and is less than the 3rd diameter, and this Part II can pass this interlocking hole.
This interlocking hole 70 also extends outward groove 72, and wherein the width of this groove is less than the diameter in this interlocking hole, and is greater than this first diameter and is less than this Second bobbin diameter, can penetrate this groove with this Part I.In the time that high-pressure door is opened, interlocking latch is under the effect of spring, and Part II stretches out this interlocking hole.Because the width of this groove is less than this Part II, push rod that now can not operate high pressure door lock locking mechanism, can not move into preventing arc sheet this hidden position.When high-pressure door closure, not yet when locking, now interlocking latch is against the doorframe of high-pressure door, and interlocking latch is pressed into this interlocking hole, now in this interlocking hole of Part I.Because the width of Part I is less than the diameter of this groove, thus push rod that can operate high pressure door lock locking mechanism, thus mobile preventing arc sheet enters hidden position.
Term in this specification " on ", D score, " interior ", " outward " be the relative direction representing in accompanying drawing.In addition, although the example that this specification and accompanying drawing provide all according to preventing arc sheet is arranged on high-pressure door on bring in description, but those skilled in the art can understand, and also can similar preventing arc sheet be set the gap between other ends of high-pressure door and doorframe.
In conjunction with embodiment, the utility model be have been described in detail above.But, it will be appreciated by those skilled in the art that and in scope of the present utility model, also have some amendments and equivalent way.Therefore, claim of the present utility model should be interpreted as comprising all such amendments and equivalent way.
Reference numeral
1 high-pressure door 2 high pressure doorframes
10 preventing arc sheet 12 kink 14,16 extensions
20 first push rods
30 lever 32 first end 34 second ends
40 second push rods
50 bearing pins
60 bases
62 springs
64 interlocking latch 642 Part I 644 Part II 646 Part III
70 interlocking holes
72 grooves
Claims (7)
1. a switch cubicle, comprise fixing high pressure doorframe and be articulated in the high-pressure door on described high pressure doorframe, it is characterized in that, the preventing arc sheet of installation activity on described high-pressure door, described preventing arc sheet is configured to cover gap and the adjacent domain between end and the described high pressure doorframe of described high-pressure door in the time of described high-pressure door locking.
2. switch cubicle according to claim 1, it is characterized in that, described preventing arc sheet has kink and respectively at the extension of described kink both sides, wherein said preventing arc sheet is configured in the time of described high-pressure door locking, described kink covers the gap between described high-pressure door and described high pressure doorframe, and described extension respectively shelter is stated the end of high-pressure door and the corresponding region of described high pressure doorframe.
3. switch cubicle according to claim 1 and 2, is characterized in that, described preventing arc sheet is configured to along moving perpendicular to the direction in described gap.
4. switch cubicle according to claim 1 and 2, it is characterized in that, described high-pressure door also comprises the interlock fixing with the operating mechanism of described preventing arc sheet, described interlock comprises interlocking latch and at least one spring in the axial setting of described interlocking latch, and the plate that is fixed on described high-pressure door is provided with the interlocking hole corresponding with described interlocking latch position, wherein said interlocking hole and described interlocking latch are configured to described interlocking latch under described high-pressure door open mode and stretch out described interlocking hole.
5. switch cubicle according to claim 4, is characterized in that, described interlocking latch comprises the different Part I of radial dimension, Part II and Part III, and the radial dimension of wherein said Part I, Part II and Part III increases successively.
6. switch cubicle according to claim 4, is characterized in that, described interlocking hole has from its circumference along this interlocking aperture to outward extending groove, and the width of wherein said groove is less than the radial dimension in described interlocking hole.
7. switch cubicle according to claim 4, it is characterized in that, a described preventing arc sheet dorsad side in described gap is fixedly installed the first push rod, one lever pivot joint is fixed on described high-pressure door, one end of described lever and described the first push rod pivot joint, the other end of described lever is connected with the second push rod, the push rod of described the second push rod and high-pressure door locking mechanism and the interlock of described interlock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057408.8U CN203911327U (en) | 2014-01-29 | 2014-01-29 | Switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057408.8U CN203911327U (en) | 2014-01-29 | 2014-01-29 | Switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203911327U true CN203911327U (en) | 2014-10-29 |
Family
ID=51785573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420057408.8U Expired - Lifetime CN203911327U (en) | 2014-01-29 | 2014-01-29 | Switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203911327U (en) |
-
2014
- 2014-01-29 CN CN201420057408.8U patent/CN203911327U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141029 |