CN209675724U - A kind of high and low voltage switchgear - Google Patents

A kind of high and low voltage switchgear Download PDF

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Publication number
CN209675724U
CN209675724U CN201920571871.7U CN201920571871U CN209675724U CN 209675724 U CN209675724 U CN 209675724U CN 201920571871 U CN201920571871 U CN 201920571871U CN 209675724 U CN209675724 U CN 209675724U
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CN
China
Prior art keywords
cabinet body
low voltage
covering plate
plate
pressure relief
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Active
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CN201920571871.7U
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Chinese (zh)
Inventor
毕勇军
陈旭敏
侯银顺
张隆
吴亮
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Huayi Electric Apparatus Group
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Huayi Electric Apparatus Group
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Priority to CN201920571871.7U priority Critical patent/CN209675724U/en
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Abstract

The utility model discloses a kind of high and low voltage switchgears, including cabinet body, panel structure, multiple heat dissipation web plates, covering plate structure and at least one pressure relief plate, wherein, panel structure is vertically arranged at the cabinet body top surface around the pressure release port of cabinet body top plate, installation window is offered respectively on its multiple side, multiple heat dissipation web plates are installed in multiple installation windows, the covering plate structure connection is covered on the top of the panel structure and extends extension to the periphery of the panel structure, the pressure relief plate is installed on the lead to the hole site of covering plate structure and covers in pressure release port, using the switchgear of the technical program, hot-air is set to play the role of vertical convection heat dissipation by the heat release hole on heat dissipation web plate, heat dissipation area is big, good heat dissipation effect, and pressure release port and panel structure peripheral position can be covered in by covering plate structure and pressure relief plate, play waterproof Dust-proof effect promotes the degree of protection and service performance of product.

Description

A kind of high and low voltage switchgear
Technical field
The utility model relates to transmission & distribution electro-technical fields, and in particular to a kind of high and low voltage switchgear.
Background technique
The main function of switchgear be generated electricity in high-low pressure electric system, transmitted electricity, the process of distribution and electric energy conversion In, opened and closed, controlled and protected electrical equipment, the component in switchgear mainly have breaker, disconnecting switch, on-load switch, The composition such as operating mechanism, mutual inductor and various protective devices.
High and low voltage switchgear is during putting into operation due in home loop and component element long period galvanization and its presence The reason of resistance, can largely generate heat, and lamina tecti structure is needed to have good heat-sinking capability, it is also possible to home loop phase fault occur Failure or fault to ground generate electric arc, and internal pressure moment can be allowed to become larger, this just needs lamina tecti to have safe decompression function, And to lamina tecti, there are also the requirements of degree of protection, can prevent toy etc. from entering in cabinet body from lamina tecti.It is existing to do Method usually punching part bridge type hole, this arched hole on the lamina tecti of switchgear do not fracture, and are in intermediate projections and two Side through hole, to need to radiate from bridge type hole side-vented, and lamina tecti uses hinge arrangement on one side when installation, adopts on one side It is fixed with easily broken plastics screw, when internal fault occurs, plastics screw can be made to break, played under powerful pressure Pressure release effect.
But can be seen that it by the structure of above-mentioned high and low voltage switchgear, there are still following problems in use: 1. is this Bridge type hole forming complex process, heat dissipation area is small, and air-flow vertical convection heat dissipation is obstructed, and heat dissipation effect is poor, influences switchgear use Performance;2. the degree of protection of switchgear is lower, can not good rainwater-proof, rainwater is easy to penetrate into cabinet body from arched hole It is interior, cause inside switch cabinet component damage and electric fault.
Utility model content
The technical problem to be solved by the present invention is to overcome high and low voltage switchgear in the prior art using bridge type hole Structure is so that heat dissipation effect is poor and rainwater is easy to penetrate into cabinet body from arched hole, and switchgear degree of protection is lower, shadow The problem of ringing product service performance, to provide a kind of good heat dissipation effect, prevents rainwater from flowing into cabinet body from heat release hole, is promoted The high and low voltage switchgear of product degree of protection and service performance.
In order to solve the above technical problems, the utility model provides a kind of high and low voltage switchgear, comprising:
Cabinet body, top surface are provided at least one pressure release port;
Panel structure is vertically arranged at the cabinet body top surface around the pressure release port, and it is logical to form the connection pressure release Mouthful inside cavity, offer installation window respectively on multiple sides;
Multiple heat dissipation web plates are installed in multiple installation windows, are disposed with several heat release holes thereon;
Covering plate structure, connection, which is covered on the top of the panel structure and extends to the periphery of the panel structure, to be extended, The covering plate structure includes at least one through-hole of the corresponding pressure release port setting;
At least one pressure relief plate is installed on the lead to the hole site of the covering plate structure and covers in the port.
As a preferred embodiment, the panel structure is connected by multiple perpendicular bent plates around at least one described pressure release port It is formed and square-shaped.
As a preferred embodiment, multiple perpendicular bent plates respectively include the vertical plane perpendicular to cabinet body top surface, the peace Filling window is the strip gab being molded on the vertical plane.
As a preferred embodiment, the aperture of the heat release hole is less than 1mm.
As a preferred embodiment, at least one around the arrangement of through-hole described at least one is provided on the covering plate structure A gasket, the pressure relief plate gland is on the gasket.
As a preferred embodiment, the top of the panel structure is tilted down along cabinet body end face length direction and sets It sets, so that the top of the panel structure is arranged in constant slope for the covering plate structure.
As a preferred embodiment, the cabinet body top surface is additionally provided with small bus room cover plate, one end of the covering plate structure With the small bus room cover plate snapping, the other end extends the cabinet body top surface along cabinet body end face length direction, described small Bus room cover plate is extended obliquely downward backwards to the covering plate structure along cabinet body end face length direction.
As a preferred embodiment, the two sides of the covering plate structure form the crimp structure vertically turned up.
As a preferred embodiment, the side side of the pressure relief plate passes through covering plate structure and gasket phase described in fastener Even, and multiple easily-deformable slots, the pressure relief plate are arranged at intervals with along its side edge length direction on the side of the pressure relief plate side It can be along multiple easily-deformable slot bending rotations.
As a preferred embodiment, the other side side of the pressure relief plate is mounted on the cover board by the easy Broken bolt of plastics In structure, the easy Broken bolt of plastics can be broken off when the pressure relief plate is pressurized.
The above-mentioned technical proposal of the utility model has the advantage that compared with prior art
1. in high and low voltage switchgear provided by the utility model, by the way that raised certain altitude is arranged in cabinet body top vertical Panel structure, and the installation heat dissipation web plate respectively in the installation window of the multiple sides of panel structure, make hot-air pass through heat dissipation Heat release hole on web plate directly plays the role of vertical convection heat dissipation, and heat dissipation area is big, makes cabinet body heat dissipation performance more preferably, and according to The covering plate structure installed at the top of panel structure and the pressure relief plate for being mounted on covering plate structure lead to the hole site, effectively cover in pressure release through-hole And panel structure peripheral position, not only have decompression function, but also can prevent rainwater from flowing into from heat release hole and passage port when drenching with rain In cabinet body, play the role of water proof and dust proof, rainwater is avoided to damage interior of the cabinet component, using opening for the technical program Cabinet is closed, good heat dissipation effect improves degree of protection, guarantees interior of the cabinet working environment stability, promotes product service performance.
2. in high and low voltage switchgear provided by the utility model, the panel structure surrounds at least one by multiple perpendicular bent plates The pressure release port is connected to form and square-shaped, this structure setting, and pressure release port is surrounded and lifted using multiple perpendicular bent plates High certain altitude is respectively provided with heat dissipation web plate according in the installation window of each perpendicular bent plate, to form a rectangular radiating area Domain allows the intracorporal hot-air of cabinet to radiate from the surrounding side of panel structure, cross-ventilation performance is allowed to reach most preferably, and The aperture for designing heat release hole is less than 1mm, to reach degree of protection IP41 requirement, and the effect of ventilation and heat may be implemented.
3. in high and low voltage switchgear provided by the utility model, the covering plate structure is arranged in constant slope in the wallboard The top of structure, the two sides of the covering plate structure form the crimp structure vertically turned up, prevent rainwater from covering plate structure two sides It shunts, design in this way makes to drench the rainwater on pressure relief plate and covering plate structure along the gradient direction discharge cabinet body top of covering plate structure Anti- ponding is played the role of in face.
4. in high and low voltage switchgear provided by the utility model, along its side edge length side on the side side of the pressure relief plate To multiple easily-deformable slots are arranged at intervals with, the other side side of the pressure relief plate is mounted on covering plate structure by the easy Broken bolt of plastics On, when increasing inside switch cabinet pressure moment, the pressure relief plate fractures the easy Broken bolt of the plastics, along multiple mutabilities Shape slot bending rotation opens pressure relief plate to realize the decompression function of switchgear, securely and reliably by rotation.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.
Fig. 1 is a kind of top structure schematic diagram of high and low voltage switchgear provided by the utility model;
Fig. 2 is that the high and low voltage switchgear of the utility model hides the top structure schematic diagram after pressure relief plate;
Fig. 3 is that high and low voltage switchgear shown in Fig. 2 hides the top structure schematic diagram after covering plate structure;
Fig. 4 is the separate structure schematic diagram of the panel structure of the utility model, specifically shown installation window;
Fig. 5 is the side sectional view of high and low voltage switch shown in Fig. 1;
Fig. 6 is the partial enlargement structural representation of the pressure relief plate structure of the utility model;
Description of symbols: 1- cabinet body top surface, 11- pressure release port, the small bus room cover plate of 12-, 2- wall construction, 20- are perpendicular Bent plate, 201- vertical plane, 21- install window, 3- heat dissipation web plate, 31- heat release hole, 4- covering plate structure, 41- through-hole, 42- crimp knot Structure, 5- pressure relief plate, the easily-deformable slot of 51-, the easy Broken bolt of 52- plastics, 6- gasket.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Embodiment 1
The utility model provides a kind of high and low voltage switchgear as shown in figures 1 to 6, including cabinet body, panel structure, multiple dissipates Heat supply network plate, covering plate structure and at least one pressure relief plate, wherein the cabinet body top surface 1 is provided at least one pressure release port 11;Institute It states panel structure 2 and is vertically arranged at the cabinet body top surface 1 around the pressure release port, and form the interior of the connection pressure release port Portion's cavity offers installation window 21 on multiple sides respectively;Multiple heat dissipation web plates 3 are installed on multiple installation windows 21 In, it is disposed with several heat release holes 31 thereon, several thermal vias are cavities inside vertical connection;
The covering plate structure 4 connects the top for being covered on the panel structure 2 and extends to the periphery of the panel structure Extension, to be covered on 1 top of cabinet body top surface with being adapted, the covering plate structure 4 includes the corresponding pressure release port 11 At least one through-hole 41 being arranged;At least one described pressure relief plate 5 is installed on the lead to the hole site of the covering plate structure 4 and covers in The through-hole 41, that is, cover in pressure release port.
Above embodiment is the core technology scheme of the present embodiment, raised certain by being vertically arranged in cabinet body top surface 1 The panel structure 2 of height, and the installation heat dissipation web plate 3 respectively in the installation window of a side of panel structure more than 2, make hot-air Directly play the role of vertical convection heat dissipation by the heat release hole 31 on heat dissipation web plate, heat dissipation area is big, makes cabinet body heat dissipation performance Reach more preferably, and according to the covering plate structure 4 installed at the top of panel structure 2 and the pressure relief plate 5 for being mounted on covering plate structure lead to the hole site, Effectively cover in pressure release through-hole and panel structure peripheral position, not only have decompression function, but can be prevented when drenching with rain rainwater from Heat release hole and passage port flow into cabinet body, play the role of water proof and dust proof, rainwater is avoided to damage interior of the cabinet component, Using the switchgear of the technical program, good heat dissipation effect improves degree of protection, guarantees interior of the cabinet working environment stability, mentions Rise product service performance.
It elaborates below with reference to the specific set-up mode of Fig. 1-4 pairs of panel structures:
The panel structure 2 is connected to form and is square around at least one described pressure release port 11 by multiple perpendicular bent plates 20 Pressure release port is surrounded and is raised certain altitude using multiple perpendicular bent plates 20, according to each perpendicular bent plate by shape, this structure setting Heat dissipation web plate 3 is respectively provided in installation window allows the intracorporal hot-air of cabinet from wall to form a rectangular heat dissipation region The surrounding side of hardened structure is radiated, and cross-ventilation performance is allowed to reach most preferably, and the aperture for designing the heat release hole is less than 1mm, and heat release hole gathers to greatest extent, increases heat dissipation area, to reach degree of protection IP41 requirement, and ventilation may be implemented and dissipate The effect of heat.
In the present embodiment, the pressure release port 11 is corresponded to according to the intracorporal breaker chamber of cabinet, bus-bar room and cable vault Cabinet body top surface is arranged three, and multiple perpendicular bent plates are the aluminum clad zinc plate of easy processing manufacture, and bent plate is erected before being divided into, erects bent plate, a left side afterwards Perpendicular bent plate, right perpendicular bent plate and intermediate perpendicular bent plate, and the installation that cooperates forms three panel structures 2 to respectively by three pressure releases Port surrounds, wherein multiple perpendicular bent plates 20 respectively include the vertical plane 201 perpendicular to cabinet body top surface 1, the installation window 21 be the strip gab being molded on the vertical plane 201, and accomplishes maximum as far as possible according to the shape size of vertical plane, is existed in this way Installing can be with increasing heat radiation area, improving radiating effect after heat dissipation web plate of corresponding size.It should be noted that the wall in Fig. 3 The corresponding one of pressure release port position of hardened structure 2 shows four sides heat dissipation web plate, and corresponding to remaining pressure release port position is then It is corresponding in the form of locally mark circle to indicate that panel structure is equipped with heat dissipation web plate.
It elaborates below with reference to the specific set-up mode of Fig. 2-5 pairs of covering plate structures:
The top of the panel structure 2 is tilted down setting along 1 length direction of cabinet body top surface, so that the cover board The top of the panel structure 2 is arranged in constant slope for structure 4, preferably tilts 1 ° of setting, and in the covering plate structure 4 Two sides form the crimp structure vertically turned up, and two sides crimp structure is aligned with cabinet body top surface two sides side, prevent rainwater from 4 two sides of covering plate structure shunt and are dropped in cabinet body top surface, and design in this way can guarantee to drench on pressure relief plate 5 and covering plate structure 4 The cabinet body top surface 1 is discharged along the inclined direction of covering plate structure in rainwater, plays the role of anti-ponding.
As a preferred implementation manner, as shown in Fig. 2, the cabinet body top surface 1 is additionally provided with small bus room cover plate 12, institute State covering plate structure 4 one end and small 12 snapping of bus room cover plate, connection is engaged up and down using crimp, water when guarantee water drenching It will not be flowed into switchgear from the two joint gap, the other end extends the cabinet body along 1 length direction of cabinet body top surface Top surface 1, it is ensured that the rainwater for tilting down discharge will not be dropped in cabinet body top surface, wherein the small bus room cover plate 12 is backwards to institute It states covering plate structure 4 to extend obliquely downward along cabinet body end face length direction, preferably inclined 2 ° of settings can avoid leaching in this way and exist Rainwater on small bus room cover plate is to the 4 side dumping tower tray of covering plate structure, so that the rain on small bus room cover plate and covering plate structure Water carries out draining towards the 1 length both ends of cabinet body top surface respectively and dredges, and is arranged by above structure, effectively rainwater can be stopped to invade To cabinet body top surface and heat dissipation web plate, good water-proof effect, securely and reliably.
To prevent rainwater from flowing into switchgear from the port position of covering plate structure 4, it is provided with and surrounds on the covering plate structure 4 Three gaskets 6 that three through-holes 41 are arranged, 5 gland of pressure relief plate is on the gasket 6, thus to port position Surrounding be sealed processing, guarantee the sealing effect on switchgear top.
It elaborates below in conjunction with the specific set-up mode of Fig. 1, Fig. 5-6 pairs of pressure relief plates:
The side side of the pressure relief plate 5 is connected by fastener with the covering plate structure 4 and gasket, and is let out described Multiple easily-deformable slots 51 are arranged at intervals with along its side edge length direction on 5 side side of pressing plate, the easily-deformable slot 51 is fluting Pore structure, the tuck portion pliable deformation under stress being connected between the adjacent two easily-deformable slot 51, thus A flanging groove track is formed on the side side of pressure relief plate 5, the pressure relief plate can turn along multiple easily-deformable 51 bendings of slot It is dynamic, it is further preferred that the other side side of the pressure relief plate 5 is mounted on the covering plate structure 4 by the easy Broken bolt 52 of plastics On, the easy Broken bolt 52 of plastics can be broken off when the pressure relief plate 5 is pressurized, it can be seen that, when inside switch cabinet pressure wink Between when increasing, the pressure relief plate can fracture the easy Broken bolt 52 of the plastics, and be formed by along multiple easily-deformable slots 51 Bending rotation in flanging groove track opens pressure relief plate to realize the decompression function of switchgear, securely and reliably by rotation.
High and low voltage switchgear provided in this embodiment has perfect heat-dissipating, pressure release effect good, and water proof and dust proof ability is good Feature, and meet IP41 protection level requirements, promote product service performance.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes among the protection scope created still in the utility model.

Claims (10)

1. a kind of high and low voltage switchgear characterized by comprising
Cabinet body, cabinet body top surface (1) are provided at least one pressure release port (11);
Panel structure (2) is vertically arranged at the cabinet body top surface (1) around the pressure release port, and forms the connection pressure release The inside cavity of port offers installation window (21) on multiple sides respectively;
Multiple heat dissipation web plates (3) are installed in multiple installation windows (21), are disposed with several heat release holes (31) thereon;
Covering plate structure (4), connection, which is covered on the top of the panel structure (2) and extends to the periphery of the panel structure, expands Exhibition, the covering plate structure (4) include at least one through-hole (41) of corresponding pressure release port (11) setting;
At least one pressure relief plate (5) is installed on the lead to the hole site of the covering plate structure (4) and covers in the through-hole (41).
2. a kind of high and low voltage switchgear according to claim 1, it is characterised in that: the panel structure (2) is by multiple perpendicular Bent plate (20) is connected to form and square-shaped around at least one described pressure release port (11).
3. a kind of high and low voltage switchgear according to claim 2, it is characterised in that: multiple perpendicular bent plates (20) are wrapped respectively The vertical plane (201) perpendicular to cabinet body top surface (1) is included, the installation window (21) is to be molded on the vertical plane (201) Strip gab.
4. a kind of high and low voltage switchgear according to claim 3, it is characterised in that: the aperture of the heat release hole (31) is less than 1mm。
5. a kind of high and low voltage switchgear described in any one of -4 according to claim 1, it is characterised in that: the covering plate structure (4) at least one gasket (6) around through-hole described at least one (41) arrangement, pressure relief plate (5) gland are provided on On the gasket (6).
6. a kind of high and low voltage switchgear according to claim 5, it is characterised in that: the top edge of the panel structure (2) Cabinet body top surface (1) length direction is tilted down setting, so that the covering plate structure (4) is arranged in constant slope described The top of panel structure (2).
7. a kind of high and low voltage switchgear according to claim 6, it is characterised in that: the cabinet body top surface (1) is additionally provided with Small bus room cover plate (12), one end of the covering plate structure (4) and small bus room cover plate (12) snapping, the other end is described in Cabinet body top surface (1) length direction extends the cabinet body top surface (1), and the small bus room cover plate (12) is backwards to the covering plate structure (4) it is extended obliquely downward along cabinet body end face length direction.
8. a kind of high and low voltage switchgear according to claim 7, it is characterised in that: the two sides of the covering plate structure (4) at Type has the crimp structure (42) vertically turned up.
9. a kind of high and low voltage switchgear according to claim 5, it is characterised in that: the side side of the pressure relief plate (5) It is connected by fastener with the covering plate structure (4) and gasket, and along its side edge length on the side of the pressure relief plate side Direction is arranged at intervals with multiple easily-deformable slots (51), and the pressure relief plate can be along multiple easily-deformable slot (51) bending rotations.
10. a kind of high and low voltage switchgear according to claim 9, it is characterised in that: the other side side of the pressure relief plate (5) Side is mounted on the covering plate structure (4) by the easy Broken bolt of plastics, and the easy Broken bolt of plastics is pressurized in the pressure relief plate (5) When can be broken off.
CN201920571871.7U 2019-04-24 2019-04-24 A kind of high and low voltage switchgear Active CN209675724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920571871.7U CN209675724U (en) 2019-04-24 2019-04-24 A kind of high and low voltage switchgear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920571871.7U CN209675724U (en) 2019-04-24 2019-04-24 A kind of high and low voltage switchgear

Publications (1)

Publication Number Publication Date
CN209675724U true CN209675724U (en) 2019-11-22

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CN201920571871.7U Active CN209675724U (en) 2019-04-24 2019-04-24 A kind of high and low voltage switchgear

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112448294A (en) * 2020-11-26 2021-03-05 河南工学院 Operation safety protection device for power equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112448294A (en) * 2020-11-26 2021-03-05 河南工学院 Operation safety protection device for power equipment
CN112448294B (en) * 2020-11-26 2022-07-01 河南工学院 Operation safety protection device for power equipment

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