CN204012333U - Voltage switchgear - Google Patents
Voltage switchgear Download PDFInfo
- Publication number
- CN204012333U CN204012333U CN201420467317.1U CN201420467317U CN204012333U CN 204012333 U CN204012333 U CN 204012333U CN 201420467317 U CN201420467317 U CN 201420467317U CN 204012333 U CN204012333 U CN 204012333U
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- Prior art keywords
- cabinet
- air unit
- radiation air
- cabinet top
- flow fan
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Abstract
The utility model discloses a kind of voltage switchgear, aim to provide a kind of voltage switchgear, effectively reduce internal temperature, the safe operation of assurance equipment, its technical scheme main points are to comprise housing, housing comprises cabinet top, at the bottom of cabinet and sidewall, in housing, comprise mobile handcart, the A terminal that joins, B terminal and the C terminal that joins that joins, cabinet top with at the bottom of cabinet, be respectively equipped with radiation air unit at the bottom of cabinet top radiation air unit and cabinet, cabinet top, at the bottom of cabinet, radiation air unit includes the A wind axis flow fan that communicates, the B wind axis flow fan that communicates, the B wind axis flow fan that communicates, A in the radiation air unit of cabinet top, B, the communicate A of radiation air unit at the bottom of wind axis flow fan and cabinet of C, B, C communicates, and wind axis flow fan homogeneous one is corresponding coaxially to be arranged, B at the bottom of cabinet top, cabinet in the radiation air unit distance that the axis of wind axis flow fan communicates between wind axis flow fan axis with A, C that communicates all equates with the phase spacing that each moves between handcart, and the utility model is applicable to voltage switchgear.
Description
Technical field
The utility model relates to a kind of cabinet manufacturing technology field, and more particularly, it relates to a kind of voltage switchgear.
Background technology
Along with social development, the progress in epoch, along with the continuous increase of power load, complete cabinet ageing of insulation is serious with heating, causes serious accident frequent.When load current constantly increases, in complete cabinet, vertical bus bar and horizontal busbar are under the acting in conjunction of current field, complete cabinet internal upper part produces and strengthens alternating magnetic field, and magnetic field intensity becomes non-linear brute force to increase progressively trend, in cabinet and side plate, induce electromotive force, and produce a large amount of spuious eddy current, because cabinet steel plate is permeability magnetic material, resistance is also very large, causes cabinet heating serious, ageing of insulation, so reduce the fever phenomenon that the spuious eddy current of cabinet causes, switch cabinet must be selected nonmagnetic substance, to cut off spuious eddy current, causes heating, makes ageing of insulation.
The complete cabinet bus of operation adopts pyrocondensation technology to carry out totally-enclosed insulation processing at present, but all has cracking in various degree and peel off under long-time large current conditions, brings potential safety hazard to moving row, advises heavy current busbar chamber not adopt all insulation to process for this reason; In addition due to the increase of loading; In narrow and small cabinet, equipment produces heat and is difficult for distributing the temperature rising that long-time moving guild causes relevant device environment, thereby reduces insulation.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of voltage switchgear, effectively reduces internal temperature, guarantees the safe operation of equipment.
For achieving the above object, the utility model provides following technical scheme: a kind of voltage switchgear, comprise housing, described housing comprises cabinet top, at the bottom of cabinet and sidewall, in described housing, comprise mobile handcart, the A terminal that joins, B terminal and the C terminal that joins that joins, described cabinet top with at the bottom of cabinet, be respectively equipped with radiation air unit at the bottom of cabinet top radiation air unit and cabinet, described cabinet top, at the bottom of cabinet, radiation air unit includes the A wind axis flow fan that communicates, the B wind axis flow fan that communicates, the B wind axis flow fan that communicates, A in the radiation air unit of described cabinet top, B, the communicate A of radiation air unit at the bottom of wind axis flow fan and cabinet of C, B, C communicates, and wind axis flow fan homogeneous one is corresponding coaxially to be arranged,
B at the bottom of described cabinet top, cabinet in the radiation air unit distance that the axis of wind axis flow fan communicates between wind axis flow fan axis with A, C that communicates all equates with the phase spacing that each moves between handcart.
By adopting technique scheme, can be by the bottom of cabinet, cabinet top cooperatively interacts, again according to A, B, C three-phase arranges respectively and corresponding coaxial ventilation axial flow blower one by one, make the high temperature air in cabinet can be along stable air-flow, within the shortest time, be excluded outside cabinet, prevent that high-temperature gas from staying or wantonly flowing away in cabinet, cause temperature in sales counter to raise, affect the use of each electric equipment in cabinet, make each electric equipment in narrow and small cabinet, can not cause the temperature of electric equipment self surrounding environment to raise because electric equipment produces heat, and reduce, insulate, to guarantee the safe operation of electric equipment, and, strengthen Air Flow and reduce temperature rise, can prevent the quick aging of switch cubicle element simultaneously, be conducive to the long-time large load operation of equipment, in addition, B at the bottom of cabinet top, cabinet in the radiation air unit distance that the axis of wind axis flow fan communicates between wind axis flow fan axis with A, C that communicates all equates with the phase spacing that each moves between handcart, not only convenient production, manufacture, can separate separately A, B, C three-phase binding post, and, can prevent from, in operation A or B or C line handcart, the ventilation and heat of all the other two lines being impacted.
The utility model is further set to: at the bottom of described cabinet, be provided with anti-gray ventilation safety net cover board, described anti-gray ventilation safety net cover board is positioned at the bottom of cabinet a radiation air unit side of cabinet top radiation air unit dorsad.
By adopting technique scheme, , anti-gray ventilation safety net cover board is set at the bottom of cabinet, can prevent that extraneous dust from entering cabinet, avoid the work to the electric equipment in cabinet, operation impacts, radiation air unit at the bottom of cabinet is arranged at the bottom of cabinet to a radiation air unit side of cabinet top radiation air unit dorsad, at the bottom of can preventing cabinet, radiation air unit produces and upsets the air-flow of bottom of cabinet bulk, guarantee drafting efficiency, and for convenience detach, maintenance, safeguard, and in routine use, be convenient to patrol officer and observe, and, the safety net of platy structure had both guaranteed the support at the bottom of cabinet, structural strength, also prevent from entering as animals such as mouse.
The utility model is further set to: described cabinet top is provided with anti-gray ventilation safety guard, and described anti-gray ventilation safety guard is positioned at top board, and cabinet top radiation air unit is positioned at an anti-gray ventilation safety guard side of anti-gray ventilation safety net cover board dorsad.
By adopting technique scheme, on cabinet top, anti-gray ventilation safety guard is set, can prevent that extraneous dust from entering cabinet, avoid the work of the electric equipment in cabinet, operation to impact, cabinet top radiation air unit is arranged to an anti-gray ventilation safety guard side of anti-gray ventilation safety net cover board dorsad, can prevent that cabinet top radiation air unit from producing and upsetting the air-flow of cabinet inside, guarantee drafting efficiency, and for convenience detach, maintenance, safeguard, and in routine use, be convenient to patrol officer and observe.
The utility model is further set to: at the bottom of the described axial flow blower that respectively ventilates is all connected in cabinet top or cabinet by bolt fastener, described bolt fastener comprises nut, bolt and pad;
Described cabinet top is equipped with some through holes that wear for bolt with cabinet top, and the aperture of described through hole is greater than the diameter of bolt screw rod, and the diameter of described pad is greater than the diameter of through hole;
At the bottom of one side at the bottom of described pad relative cabinet top or cabinet and cabinet top or cabinet, the position of conflict pad is provided with chimeric anti-skidding projection mutually.
By adopting technique scheme, by bolt fastener, connect the axial flow blower that respectively ventilates, not only easy for installation, and can when overhauling, safeguarding, dismantle, change the parts that damage; The aperture of through hole is greater than to the diameter of bolt screw rod, be convenient to staff when installing, adjust the position of the axial flow blower that respectively ventilates, to guarantee the axiality of upper and lower ventilation axial flow blower, the coaxiality error that prevents the upper and lower ventilation axial flow blower that the error because producing at the bottom of cabinet top or cabinet causes when punching is larger, and the diameter of pad is greater than the diameter of through hole, guaranteed the result of use of pad; In addition, anti-skidding projection is set and prevents the loosening of the vibration that produces because of when operation at work at each ventilation axial flow blower or bolt fastener, and the relative position of the axial flow blower that causes respectively ventilating changes, further the raising installation tightness of axial flow blower of respectively ventilating.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model voltage switchgear embodiment;
Fig. 2 is the structural representation at the bottom of the cabinet in the utility model.
Reference numeral: 11, cabinet top; 12, at the bottom of cabinet; 13, sidewall; 14, mobile handcart; 15, the A terminal that joins; 16, the B terminal that joins; 17, the C terminal that joins; 2, cabinet top radiation air unit; 21, the A wind axis flow fan that communicates; 22, the B wind axis flow fan that communicates; 23, the C wind axis flow fan that communicates; 3, radiation air unit at the bottom of cabinet; 4, ventilation safety net cover board; 5, ventilation safety guard; 61, bolt; 62, nut; 63, pad; 64, anti-skidding projection; 65, through hole.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model voltage switchgear embodiment is described further.
As shown in Figure 1 to Figure 2, a kind of voltage switchgear, comprise housing, described housing comprises cabinet top 11, at the bottom of cabinet 12 and sidewall 13, in described housing, comprise mobile handcart 14, the A terminal 15 that joins, B terminal 16 and the C terminal 17 that joins that joins, described cabinet top 11 with at the bottom of cabinet, 12 be respectively equipped with radiation air unit 3 at the bottom of cabinet top radiation air unit 2 and cabinet, described cabinet top 11, at the bottom of cabinet, radiation air unit 3 includes the A wind axis flow fan 21 that communicates, the B wind axis flow fan 22 that communicates, the B wind axis flow fan 22 that communicates, A in described cabinet top radiation air unit 2, B, the communicate A of wind axis flow fan 23 and radiation air unit 3 at the bottom of cabinet of C, B, C corresponding coaxial setting of wind axis flow fan 23 homogeneous one that communicate,
B at the bottom of described cabinet top 11, cabinet in radiation air unit 3 distance that the axis of wind axis flow fan 22 communicates between wind axis flow fan 23 axis with A, C that communicates all equates (to it should be noted that with the phase spacing that each moves between handcart 14 herein, mobile handcart 14 in the present embodiment, A terminal 15, B terminal 16 and the C terminal 17 that joins that joins that joins is common structure of the prior art, well known to a person skilled in the art general knowledge, the present embodiment repeats no more).
Can be by the bottom of cabinet 12, cabinet top 11 cooperatively interacts, again according to A, B, C three-phase arranges respectively and corresponding coaxial ventilation axial flow blower one by one, make the high temperature air in cabinet can be along stable air-flow, within the shortest time, be excluded outside cabinet, prevent that high-temperature gas from staying or wantonly flowing away in cabinet, cause temperature in sales counter to raise, affect the use of each electric equipment in cabinet, make each electric equipment in narrow and small cabinet, can not cause the temperature of electric equipment self surrounding environment to raise because electric equipment produces heat, and reduce, insulate, to guarantee the safe operation of electric equipment, and, strengthen Air Flow and reduce temperature rise, can prevent the quick aging of switch cubicle element simultaneously, be conducive to the long-time large load operation of equipment, in addition, B at the bottom of cabinet top 11, cabinet in radiation air unit 3 distance that the axis of wind axis flow fan 22 communicates between wind axis flow fan 23 axis with A, C that communicates all equates with the phase spacing that each moves between handcart 14, not only convenient production, manufacture, can separate separately A, B, C three-phase binding post, and, can prevent from, in operation A or B or C line handcart, the ventilation and heat of all the other two lines being impacted.
At the bottom of described cabinet, 12 are provided with anti-gray ventilation safety net cover board 4, and described anti-gray ventilation safety net cover board 4 is positioned at the bottom of cabinet radiation air unit 3 side of cabinet top radiation air unit 2 dorsad.
, at the bottom of cabinet, 12 arrange anti-gray ventilation safety net cover board 4, can prevent that extraneous dust from entering cabinet, avoid the work to the electric equipment in cabinet, operation impacts, radiation air unit 3 at the bottom of cabinet is arranged at the bottom of cabinet to radiation air unit 3 side of cabinet top radiation air unit 2 dorsad, the air-flow that can prevent 2 pairs of bottom of cabinet bulk of radiation air unit at the bottom of cabinet produces to be upset, guarantee drafting efficiency, and for convenience detach, maintenance, safeguard, and in routine use, be convenient to patrol officer and observe, and, the safety net of platy structure had both guaranteed at the bottom of cabinet 12 support, structural strength, also prevent from entering as animals such as mouse.
Described cabinet top 11 is provided with anti-gray ventilation safety guard 5, and described anti-gray ventilation safety guard 5 is positioned at top board, and cabinet top radiation air unit 2 is positioned at anti-gray ventilation safety guard 5 side of anti-gray ventilation safety net cover board 4 dorsad.
On cabinet top 11, anti-gray ventilation safety guard 5 is set, can prevent that extraneous dust from entering cabinet, avoid the work of the electric equipment in cabinet, operation to impact, cabinet top radiation air unit 2 is arranged to anti-gray ventilation safety guard 5 side of anti-gray ventilation safety net cover board 4 dorsad, the air-flow that can prevent 2 pairs of cabinet inside of radiation air unit, cabinet top produces upset, guarantee drafting efficiency, and for convenience detach, maintenance, safeguard, and in routine use, be convenient to patrol officer and observe.
The described axial flow blower that respectively ventilates is all connected at the bottom of cabinet top 11 or cabinet 12 by bolt 61 securing members, and described bolt 61 securing members comprise nut 62, bolt 61 and pad 63;
Described cabinet top 11 is equipped with some through holes 65 that wear for bolt 61 with cabinet top 11, and the aperture of described through hole 65 is greater than the diameter of bolt 61 screw rods, and the diameter of described pad 63 is greater than the diameter of through hole 65;
At the bottom of the relative cabinet of described pad 63 top 11 or cabinet, at the bottom of 12 one side and cabinet top 11 or cabinet, the position of 12 conflict pads 63 is provided with chimeric anti-skidding projection 64(mutually and it should be noted that herein, in order to guarantee that the result of use of anti-skidding projection 64 maximizes, anti-skidding projection 64 can adopt semicircular structure or broached-tooth design, this enforcement profit is preferred, select the anti-skidding projection 64 of rectangular configuration, intensity is high, coordinates each other contact area large, firm; In addition, at the bottom of cabinet, radiation air unit 3 is identical with the fastener constructions on cabinet top radiation air unit 2, and Fig. 2 can represent clear, and install through the installing hole of each axial flow blower at bolt screw rod position, is basic, the most common mounting structure, and the present embodiment repeats no more).
By bolt 61 securing members, connect the axial flow blower that respectively ventilates, not only easy for installation, and can when overhauling, safeguarding, dismantle, change the parts that damage; The aperture of through hole 65 is greater than to the diameter of bolt 61 screw rods, be convenient to staff when installing, adjust the position of the axial flow blower that respectively ventilates, to guarantee the axiality of upper and lower ventilation axial flow blower, prevent because of the coaxiality error of the upper and lower ventilation axial flow blower that at the bottom of cabinet top 11 or cabinet, 12 errors that produce when the punching cause larger, and the diameter of pad 63 is greater than the diameter of through hole 65, guaranteed the result of use of pad 63; In addition, anti-skidding projection 64 is set and prevents the loosening of the vibration that produces because of when operation at work at each ventilation axial flow blower or bolt 61 securing members, and the relative position of the axial flow blower that causes respectively ventilating changes, the further raising installation tightness of axial flow blower of respectively ventilating.
The above makes preferred implementation of the present utility model, does not depart from for the person of ordinary skill of the art under the prerequisite of the utility model principle, can also make some modification and improvement, and these also should be considered as protection range of the present utility model.
Claims (4)
1. a voltage switchgear, comprise housing, described housing comprises cabinet top, at the bottom of cabinet and sidewall, in described housing, comprise mobile handcart, the A terminal that joins, B terminal and the C terminal that joins that joins, it is characterized in that: described cabinet top with at the bottom of cabinet, be respectively equipped with radiation air unit at the bottom of cabinet top radiation air unit and cabinet, described cabinet top, at the bottom of cabinet, radiation air unit includes the A wind axis flow fan that communicates, the B wind axis flow fan that communicates, the B wind axis flow fan that communicates, A in the radiation air unit of described cabinet top, B, the communicate A of radiation air unit at the bottom of wind axis flow fan and cabinet of C, B, C communicates, and wind axis flow fan homogeneous one is corresponding coaxially to be arranged,
B at the bottom of described cabinet top, cabinet in the radiation air unit distance that the axis of wind axis flow fan communicates between wind axis flow fan axis with A, C that communicates all equates with the phase spacing that each moves between handcart.
2. voltage switchgear according to claim 1, is characterized in that: at the bottom of described cabinet, be provided with anti-gray ventilation safety net cover board, described anti-gray ventilation safety net cover board is positioned at the bottom of cabinet a radiation air unit side of cabinet top radiation air unit dorsad.
3. voltage switchgear according to claim 1 and 2, it is characterized in that: described cabinet top is provided with anti-gray ventilation safety guard, described anti-gray ventilation safety guard is positioned at top board, and cabinet top radiation air unit is positioned at an anti-gray ventilation safety guard side of anti-gray ventilation safety net cover board dorsad.
4. voltage switchgear according to claim 1 and 2, is characterized in that: at the bottom of the described axial flow blower that respectively ventilates is all connected in cabinet top or cabinet by bolt fastener, described bolt fastener comprises nut, bolt and pad;
Described cabinet top is equipped with some through holes that wear for bolt with cabinet top, and the aperture of described through hole is greater than the diameter of bolt screw rod, and the diameter of described pad is greater than the diameter of through hole;
At the bottom of one side at the bottom of described pad relative cabinet top or cabinet and cabinet top or cabinet, the position of conflict pad is provided with chimeric anti-skidding projection mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467317.1U CN204012333U (en) | 2014-08-19 | 2014-08-19 | Voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467317.1U CN204012333U (en) | 2014-08-19 | 2014-08-19 | Voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204012333U true CN204012333U (en) | 2014-12-10 |
Family
ID=52052276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420467317.1U Expired - Fee Related CN204012333U (en) | 2014-08-19 | 2014-08-19 | Voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204012333U (en) |
-
2014
- 2014-08-19 CN CN201420467317.1U patent/CN204012333U/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 |
Granted publication date: 20141210 Termination date: 20170819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |