CN108879460A - A kind of switchgear of operational safety - Google Patents

A kind of switchgear of operational safety Download PDF

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Publication number
CN108879460A
CN108879460A CN201810774724.XA CN201810774724A CN108879460A CN 108879460 A CN108879460 A CN 108879460A CN 201810774724 A CN201810774724 A CN 201810774724A CN 108879460 A CN108879460 A CN 108879460A
Authority
CN
China
Prior art keywords
fire
pressure relief
switchgear
relief plate
cabinet 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.)
Pending
Application number
CN201810774724.XA
Other languages
Chinese (zh)
Inventor
唐帅
万超建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiangrong Group Co Ltd
Original Assignee
Xiangrong Group Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xiangrong Group Co Ltd filed Critical Xiangrong Group Co Ltd
Priority to CN201810774724.XA priority Critical patent/CN108879460A/en
Publication of CN108879460A publication Critical patent/CN108879460A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/045Details of casing, e.g. gas tightness
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/28Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26Casings; Parts thereof or accessories therefor
    • H02B1/30Cabinet-type casings; Parts thereof or accessories therefor
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B13/00Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
    • H02B13/02Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
    • H02B13/035Gas-insulated switchgear
    • H02B13/075Earthing arrangements

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Patch Boards (AREA)

Abstract

The present invention relates to power equipment safety field, the switchgear of specifically a kind of operational safety.A fire-retardant laminate is respectively arranged on the top of cabinet body and bottom in a kind of switchgear of operational safety, including cabinet body, filler and fire-retardant in fire-retardant laminate, at the top of the fire-retardant laminate and cabinet body on top between form an insulated cavity;In the fire-retardant laminate lower part in top, the top of the fire-retardant laminate in lower part is respectively provided with a pressure relief plate, and pressure relief plate is formed by connecting by left and right two parts;There is between portion's pressure relief plate and lower part pressure relief plate demarcation plate on the cabinet, form epicoele between cabinet body top pressure relief plate and demarcation plate, form cavity of resorption between demarcation plate and bottom of cabinet bulk pressure relief plate;There is cabinet door at the position of the epicoele and cavity of resorption, and other positions are closed structure.Multiple-protection measure is arranged in the cabinet body of this kind of switchgear, and the safe operation of component also can prevent it from spreading outward, cause bigger causality loss even if there is fortuitous event effectively by dangerous item station in switchgear in energy effective guarantee switchgear.

Description

A kind of switchgear of operational safety
Technical field
The present invention relates to power equipment safety field, the switchgear of specifically a kind of operational safety.
Background technique
Switchgear is a kind of electrical equipment, and switchgear outside line is introduced into master switch in cabinet, subsequently into sub-control switch, respectively Branch is set according to its needs.Such as instrument, automatic control, motor magnetic switch, various A.C. contactors etc..The main function of switchgear Be generated electricity in electric system, transmitted electricity, the conversion of distribution and electric energy during, opened and closed, controlled and protected electrical equipment. Component in switchgear mainly has breaker, disconnecting switch, on-load switch, operating mechanism, mutual inductor and various protective devices Deng composition.There are many classification method of switchgear, such as can be divided into withdraw-type switch cabinet and fixed by breaker mounting means Switchgear;Or it is divided into open type switchgear, metal closed switch cabinet and metal enclosed armored according to the difference of cabinet body structure and opens Close cabinet;It is divided into high-tension switch cabinet, Medium Voltage Switchgear and low-tension switch cabinet according to the difference of voltage class.
The safeguard measure that the metal shell of electrical equipment is grounded can be prevented ground protection in insulation damages or unexpected feelings Heavy current is by human body when metal shell charges under condition, to ensure personal safety, after equipment installs earth protective device, electrically When the phase insulation of equipment is damaged or the situations such as electric leakage occur for equipment, earth current can be bigger than normal, and fuse wire occurs Or air switch is disconnected automatically, to guarantee personal safety.It is still not in place to the safeguard measure of switch board housing in the prior art, When encountering fortuitous event, cannot surprisingly control dangerous in switchgear, it is possible to will cause sprawling.
Summary of the invention
Problem to be solved by this invention is the switchgear for overcoming the deficiencies of the prior art and provide a kind of operational safety, should Multiple-protection measure is arranged in the cabinet body of kind switchgear, the safe operation of component in energy effective guarantee switchgear, even if anticipating Outer situation also can prevent it from spreading outward, cause bigger causality loss effectively by dangerous item station in switchgear.
The technical solution adopted by the present invention is that:A kind of switchgear of operational safety, including cabinet body, on the top and bottom of cabinet body Portion is respectively arranged a fire-retardant laminate, filler and fire-retardant in the fire-retardant laminate, at the top of the fire-retardant laminate and cabinet body on top between formed One insulated cavity;In the fire-retardant laminate lower part in top, the top of the fire-retardant laminate in lower part is respectively provided with a pressure relief plate, and the pressure relief plate is by left and right Two parts are formed by connecting;On the cabinet between portion's pressure relief plate and lower part pressure relief plate have demarcation plate, cabinet body top pressure relief plate and point Epicoele is formed between partition, forms cavity of resorption between demarcation plate and bottom of cabinet bulk pressure relief plate;Have at the position of the epicoele and cavity of resorption There is cabinet door, and other positions are closed structure.
Preferably, the bottom of cabinet bulk has metal support leg, and the metal support leg is deep into soil.
Preferably, insulating gas is filled in the insulated cavity.
Preferably, charged air pressure in the insulated cavity.
Preferably, aluminium hydroxide micro powder fire retardant is filled in the fire-retardant laminate.
Preferably, a magnet, the pressure relief plate are each provided at the position that left and right two parts of the pressure relief plate are connected The magnet polarities of left-right parts are opposite.
Preferably, there is distance between the pressure relief plate on the cabinet body top and the fire-retardant laminate at the top of cabinet body.
Preferably, the pressure relief plate of the bottom of cabinet bulk is placed on the fire-retardant laminate of bottom of cabinet bulk.
Preferably, the bottom of the demarcation plate has idler wheel, has the slideway to lower recess, the idler wheel on cabinet body inner wall It can be slided in slideway.
The beneficial effects of the present invention are:It is provided with multiple-protection measure on the cabinet, can be effectively ensured in cabinet body and open The normal operation for closing equipment, even if contingency occur also can be effectively controlled.Firstly, there is an insulated cavity in cabinet body, insulation Intracavitary filling insulating gas, which can be free gas, nitrogen, hydrogen, carbon dioxide etc., in order to save cost, choosing at this Select compressed air filling wherein.The presence of insulated cavity can guarantee the safe operation of electrical equipment and route, prevent personal electric shock The generation of accident.It is provided with fire-retardant laminate at the top and bottom of cabinet body, uniformly fills aluminium hydroxide micro powder in fire-retardant laminate Fire retardant, aluminium hydroxide micro powder fire retardant are environment friendly and pollution-free fire proofings, can be effectively covered on when fire occurs It on combustible, and prevents it from burning away, when contingency occurs, can effectively put out open fire, it is avoided to spread out, cause Bigger dangerous situation.
In the fire-retardant laminate lower part in top, the top of the fire-retardant laminate in lower part is respectively provided with a pressure relief plate, and the pressure relief plate is by left and right Two parts are formed by connecting.The pressure relief plate is the channel that pressure release uses, since the upper and lower part of cabinet body is equal when endangering generation Provided with fire-retardant laminate, therefore, the position of pressure relief plate and the direction of pressure release are i.e. towards fire-retardant laminate, and pressure relief plate is by left and right two parts Be formed by connecting, the mode of flexible connection, with guarantee problem occur when, can smooth opening be convenient for pressure release.In the invention, it adopts With the attracting mode of magnet, it is respectively provided with upper magnet at left and right sides of pressure relief plate, and the polarity of magnet is protected on the contrary, attract each other The left and right sides of card pressure relief plate can be attached together.Can certainly be using other connection types, for example use bolt Fixed form etc..Since the pressure relief plate on cabinet body top does not need to bear pressure, pressure relief plate and the cabinet body top on cabinet body top Fire-retardant laminate between there is distance, open gap convenient for pressure relief plate, smoothly by the unexpected flare occurred in switchgear or It is that other expanding gas smoothly flow out.And the pressure relief plate of bottom will bear pressure since setting is in cavity of resorption bottom, therefore directly place On fire-retardant laminate.
There is between portion's pressure relief plate and lower part pressure relief plate demarcation plate on the cabinet, it is more apparent convenient for subregion setting, function, Epicoele is formed between cabinet body top pressure relief plate and demarcation plate, forms cavity of resorption between demarcation plate and bottom of cabinet bulk pressure relief plate.It is upper intracavitary Can place switch member, and under the intracavitary equipment that can be placed power supply device or switch member is detected, according to user Demand setting.
Separator plate design is can be with the structure of pull, convenient for maintenance is checked in switch member taking-up, in the invention using such as Flowering structure:Bottom has idler wheel, has the slideway to lower recess on cabinet body inner wall, and the idler wheel can slide in slideway.When Other structures so can also be taken, as long as being able to achieve the pull function that segmentation is done.
The switchgear is also provided with ground structure, and metal support leg can be in advance in metal branch in order to guarantee earthing effect In the soil that support foot is placed, it is embedded to the earth brace of other metals in advance, earth brace is embedded in soil 1 meter or so, the gold of switchgear Belong to support leg to connect with earth brace, it is ensured that good earthing effect.
Appended drawing reference
Fig. 1 is the structural schematic diagram of the invention;
Fig. 2 is the diagrammatic cross-section in Fig. 1 along line A-A;
Fig. 3 is the enlarged structure schematic diagram in Fig. 2 along B.
Wherein appended drawing reference is as follows:
1, cabinet body;2, fire-retardant laminate;3, insulated cavity;4, pressure relief plate;5, demarcation plate;6, epicoele;7, cavity of resorption;8, cabinet door;9, metal Support leg;41, magnet;51, idler wheel;52, slideway.
Specific embodiment
The present invention is described further with reference to the accompanying drawing:
As shown in Figure of description 1, the technical solution adopted by the present invention is that:A kind of switchgear of operational safety, including cabinet body 1, In the top of cabinet body 1 and bottom, one fire-retardant laminate 2, filler and fire-retardant in the fire-retardant laminate 2, the fire-retardant laminate on top are respectively set An insulated cavity 3 is formed between 2 and 1 top of cabinet body;In fire-retardant 2 lower part of laminate in top, the top of the fire-retardant laminate 2 in lower part is respectively provided with one Pressure relief plate 4, the pressure relief plate 4 are formed by connecting by left and right two parts;Have between 1 top pressure relief plate 4 of cabinet body and lower part pressure relief plate 4 Have demarcation plate 5, form epicoele 6 between 1 top pressure relief plate 4 of cabinet body and demarcation plate 5, demarcation plate 5 and 1 bottom pressure relief plate 4 of cabinet body it Between formed cavity of resorption 7;There is cabinet door 8 at the position of the epicoele 6 and cavity of resorption 7, and other positions are closed structure.
1 bottom of cabinet body has metal support leg 9, and the metal support leg 9 is deep into soil.
Insulating gas is filled in insulated cavity 3, charged air pressure in the insulated cavity 3, the fire-retardant laminate 2 is interior to fill hydrogen Alumina powder fire retardant.
A magnet 41,4 left-right parts of pressure relief plate are each provided at the position that left and right two parts of pressure relief plate 4 are connected 41 polarity of magnet on the contrary, there is distance, institute between the fire-retardant laminate 2 at pressure relief plate 4 and cabinet body 1 top on 1 top of the cabinet body The pressure relief plate 4 for stating 1 bottom of cabinet body is placed on the fire-retardant laminate 2 of 1 bottom of cabinet body.
The bottom of demarcation plate 5 has idler wheel 51, has the slideway 52 to lower recess on 1 inner wall of cabinet body, the idler wheel 51 can To be slided in slideway 52.
The beneficial effects of the present invention are:It is provided with multiple-protection measure on cabinet body 1, can be effectively ensured in cabinet body 1 The normal operation of switchgear, even if contingency occur also can be effectively controlled.Firstly, there is an insulated cavity 3 in cabinet body 1, Insulating gas is filled in insulated cavity 3, which can be somebody's turn to do for free gas, nitrogen, hydrogen, carbon dioxide etc. in order to save cost The filling of place's selection compressed air is wherein.The presence of insulated cavity 3 can guarantee the safe operation of electrical equipment and route, prevent the person The generation of electric shock accidents.It is provided with fire-retardant laminate 2 in the top and bottom of cabinet body 1, uniformly fills hydroxide in fire-retardant laminate 2 Aluminium micro mist fire retardant, aluminium hydroxide micro powder fire retardant are environment friendly and pollution-free fire proofings, can be effective when fire occurs It is covered on combustible, and prevents it from burning away, when contingency occurs, can effectively put out open fire, it is avoided to spread out Come, causes bigger dangerous situation.
In fire-retardant 2 lower part of laminate in top, the top of the fire-retardant laminate 2 in lower part is respectively provided with a pressure relief plate 4, the pressure relief plate 4 by Left and right two parts are formed by connecting.The pressure relief plate 4 i.e. endanger occur when, the channel that pressure release uses, due to cabinet body 1 top and Lower part is provided with fire-retardant laminate 2, therefore, the direction of the position of pressure relief plate 4 and pressure release i.e. towards fire-retardant laminate 2, pressure relief plate 4 by Left and right two parts are formed by connecting, the mode of flexible connection, with guarantee problem occur when, can smooth opening be convenient for pressure release.? In the invention, in such a way that heterosexual magnet is attracting, upper magnet 41 is respectively provided in the left and right sides of pressure relief plate 4, and magnet 41 On the contrary, attracting each other, the left and right sides of guarantee pressure relief plate 4 can be attached together polarity.It can certainly be connected using other Mode is connect, for example uses the fixed form etc. of bolt.Since the pressure relief plate 4 on 1 top of cabinet body does not need to bear pressure, cabinet body There is distance between the fire-retardant laminate 2 at 1 top of pressure relief plate 4 and cabinet body on 1 top, open gap convenient for pressure relief plate 4, smoothly will The unexpected flare occurred in switchgear either other expanding gas smoothly flow out.And the pressure relief plate 4 of bottom is due to being arranged under 7 bottom of chamber, will bear pressure, therefore be directly placed on fire-retardant laminate 2.
There is demarcation plate 5 between 1 top pressure relief plate 4 of cabinet body and lower part pressure relief plate 4, more convenient for subregion setting, function It is apparent, epicoele 6 is formed between 1 top pressure relief plate 4 of cabinet body and demarcation plate 5, is formed between 1 bottom pressure relief plate 4 of demarcation plate 5 and cabinet body Cavity of resorption 7.Switch member can be placed in epicoele 6, and can place what power supply device either detected switch member in cavity of resorption 7 Equipment is arranged according to user demand.
Demarcation plate 5 is designed as can be with the structure of pull, convenient for maintenance is checked in switch member taking-up, in the invention using such as Flowering structure:Bottom has idler wheel 51, has the slideway 52 to lower recess on 1 inner wall of cabinet body, the idler wheel 51 can be in slideway 52 Inside slide.Other structures can certainly be taken, as long as being able to achieve the pull function of reticle 5.
The switchgear is also provided with ground structure, and metal support leg 9 can be in advance in metal in order to guarantee earthing effect In the soil that support leg 9 is placed, it is embedded to the earth brace of other metals in advance, earth brace is embedded in soil 1 meter or so, switchgear Metal support leg 9 is connect with earth brace, it is ensured that good earthing effect, it is clear that metal support leg 9 need to use made of metal At to guarantee its electric conductivity.
The above is only presently preferred embodiments of the present invention, are not that the invention has other forms of limitations.It is any ripe Know the equivalent reality that professional and technical personnel was changed or be modified as equivalent variations possibly also with the technology contents of the disclosure above Apply example.But without departing from the technical solutions of the present invention, according to the present invention construction and working principle are to above embodiments Made any simple modification, equivalent variations and remodeling, still fall within the protection scope of technical solution of the present invention.

Claims (9)

1. a kind of switchgear of operational safety, including cabinet body, it is characterised in that:It is fire-retardant to be respectively arranged one in the top of cabinet body and bottom Laminate, filler and fire-retardant in the fire-retardant laminate, at the top of the fire-retardant laminate and cabinet body on top between form an insulated cavity;On top Fire-retardant laminate lower part, the top of the fire-retardant laminate in lower part are respectively provided with a pressure relief plate, and the pressure relief plate is formed by connecting by left and right two parts; There is between portion's pressure relief plate and lower part pressure relief plate demarcation plate on the cabinet, formed between cabinet body top pressure relief plate and demarcation plate Chamber forms cavity of resorption between demarcation plate and bottom of cabinet bulk pressure relief plate;There are cabinet door, and other positions at the position of the epicoele and cavity of resorption It is set to closed structure.
2. a kind of switchgear of operational safety according to claim 1, it is characterised in that:The bottom of cabinet bulk has metal Support leg, the metal support leg are deep into soil.
3. a kind of switchgear of operational safety according to claim 2, it is characterised in that:Insulation is filled in the insulated cavity Gas.
4. a kind of switchgear of operational safety according to claim 3, it is characterised in that:Compression is filled in the insulated cavity Air.
5. a kind of switchgear of operational safety according to claim 2 or 4, it is characterised in that:It is filled out in the fire-retardant laminate It is flushed with hydrogen alumina powder fire retardant.
6. a kind of switchgear of operational safety according to claim 5, it is characterised in that:The left and right of the pressure relief plate two It is each provided with a magnet at the position of split-phase connection, the magnet polarities of the pressure relief plate left-right parts are opposite.
7. a kind of switchgear of operational safety according to claim 6, it is characterised in that:The pressure relief plate on the cabinet body top There is distance between the fire-retardant laminate at the top of cabinet body.
8. a kind of switchgear of operational safety according to claim 7, it is characterised in that:The pressure relief plate of the bottom of cabinet bulk It is placed on the fire-retardant laminate of bottom of cabinet bulk.
9. a kind of switchgear of operational safety according to claim 8, it is characterised in that:The bottom of the demarcation plate has Idler wheel, has the slideway to lower recess on cabinet body inner wall, and the idler wheel can slide in slideway.
CN201810774724.XA 2018-07-16 2018-07-16 A kind of switchgear of operational safety Pending CN108879460A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810774724.XA CN108879460A (en) 2018-07-16 2018-07-16 A kind of switchgear of operational safety

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810774724.XA CN108879460A (en) 2018-07-16 2018-07-16 A kind of switchgear of operational safety

Publications (1)

Publication Number Publication Date
CN108879460A true CN108879460A (en) 2018-11-23

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Application Number Title Priority Date Filing Date
CN201810774724.XA Pending CN108879460A (en) 2018-07-16 2018-07-16 A kind of switchgear of operational safety

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Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111987614A (en) * 2020-08-12 2020-11-24 广东电网有限责任公司清远供电局 Switch cabinet

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202231335U (en) * 2011-08-01 2012-05-23 广州白云电器设备股份有限公司 Pressure-releasing and heat-dissipating device for switch cabinet of direct current circuit breaker
CN205231498U (en) * 2015-12-29 2016-05-11 国网青海省电力公司检修公司 Dustproof block terminal of open -air lightning protection
CN206697792U (en) * 2016-12-16 2017-12-01 青岛正泰通用电器有限公司 A kind of high-tension electricity cabinet
CN207459436U (en) * 2017-11-07 2018-06-05 华科电工工程股份有限公司 A kind of switchgear with explosion prevention function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202231335U (en) * 2011-08-01 2012-05-23 广州白云电器设备股份有限公司 Pressure-releasing and heat-dissipating device for switch cabinet of direct current circuit breaker
CN205231498U (en) * 2015-12-29 2016-05-11 国网青海省电力公司检修公司 Dustproof block terminal of open -air lightning protection
CN206697792U (en) * 2016-12-16 2017-12-01 青岛正泰通用电器有限公司 A kind of high-tension electricity cabinet
CN207459436U (en) * 2017-11-07 2018-06-05 华科电工工程股份有限公司 A kind of switchgear with explosion prevention function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111987614A (en) * 2020-08-12 2020-11-24 广东电网有限责任公司清远供电局 Switch cabinet

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Application publication date: 20181123

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