CN104795741A - Radiating control method for high-voltage power distribution cabinets - Google Patents
Radiating control method for high-voltage power distribution cabinets Download PDFInfo
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- CN104795741A CN104795741A CN201510201627.8A CN201510201627A CN104795741A CN 104795741 A CN104795741 A CN 104795741A CN 201510201627 A CN201510201627 A CN 201510201627A CN 104795741 A CN104795741 A CN 104795741A
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- power distribution
- air
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Abstract
The invention discloses a radiating control method for high-voltage power distribution cabinets. The radiating control method includes arranging the power distribution cabinets in electric rooms; arranging a wind channel above each row of power distribution cabinets, and communicating air outlets in the tops of the power distribution cabinets with the wind channels via radiating pipes; arranging wind doors at two ends of each wind channel, enabling the wind doors to be in open states at ordinary times, communicating flow directions of air in the wind channels with flow directions of outdoor air, and enabling hot air in the various power distribution cabinets to flow out of the radiating pipes, to flow into the wind channels and ultimately to be dispersed out of the wind channels; further arranging exhaust pipes above the power distribution cabinets, arranging exhaust fans on the exhaust pipes and positioning the ends of the exhaust pipes on the outsides of the electric rooms; further arranging a cold air cabinet in each electric room, arranging a cold chamber in each power distribution cabinet and communicating the cold air cabinets with the cold chambers in all the power distribution cabinets for a long time. The two ends of each wind channel are positioned on the outside of the corresponding electric room. The exhaust pipes are communicated with the wind channels. Air conditioners are arranged inside the cold air cabinets. The radiating control method has the advantages that good radiating effects can be realized, heat can be radiated by the aid of wind energy in the nature, and accordingly energy consumption is low; normal work of electric components in cabinet bodies can be guaranteed.
Description
Technical field
The present invention relates to electric field, especially a kind of cooling control method of high voltage power distributing cabinet.
Background technology
Regulator cubicle is conventional electric product, and regulator cubicle processes by steel matter the cupboard normally worked for protection components and parts.Regulator cubicle makes material and is generally divided into hot rolled steel plate and cold-rolled steel sheet two kinds.The relative hot rolled steel plate of cold-rolled steel sheet more made of soft, is more suitable for the making of regulator cubicle.Regulator cubicle is of many uses is mainly used in chemical industry, environmental protection industry (epi), electric power system, metallurgical system, industry, nuclear power industry, and security against fire is monitored, transportation industry etc.
Regulator cubicle in use, the electric component of its inside can generate heat, temperature in cabinet is raised, easily affect normal use and the useful life of the electric component of its inside when temperature is too high, for this reason, regulator cubicle is all provided with radiator structure, generally that ventilating opening or ventilation shutter are set on regulator cubicle, some regulator cubicles can arrange fan at ventilating opening, utilize fan that air-flow in regulator cubicle is changed, and improve radiating efficiency.
There is following technical problem in existing regulator cubicle heat radiation:
1, the scheme that fan is set in regulator cubicle is adopted, because fan operationally can produce vibration, this vibration is delivered in the electric component of its inside by receiving between cabinet, when various electric component is in vibrational state for a long time, the element device of its inside is easily impaired, have impact on useful life, on the other hand, also throwing off because being subject to long-term vibration between various connecting line and contact, making whole system produce fault, therefore adopting the scheme of fan inside to have problems;
2, regulator cubicle is generally placed in electric equipment compartment, if electric equipment compartment does not establish air-conditioning, the temperature of whole electric equipment compartment can be very high, and especially in summer, because external air temperature is high, the fan in regulator cubicle is had to long-term work; If establish air-conditioning at electric equipment compartment in addition, what the cold air major part that air-conditioning produces was formed is building energy consumption, and the air namely in whole electric equipment compartment all needs cooling, and such energy consumption is just high, does not calculate;
3, the control core in regulator cubicle: controller does not have independent radiator structure, controller, once go wrong not in time because dispelling the heat, will make whole system paralyse, causing immeasurable loss.
Owing to there is above-mentioned technical problem in prior art, impact uses, and therefore must improve.
Summary of the invention
The object of the invention is the deficiency in order to solve above-mentioned technology and the cooling control method of the high voltage power distributing cabinet of a kind of good heat dissipation effect designed.
The cooling control method of a kind of high voltage power distributing cabinet designed by the present invention, power distribution cabinet is placed in electric equipment compartment by it, and power distribution cabinet is divided into many rows, often arranging power distribution cabinet is in-line distribution, each power distribution cabinet bottom is provided with air inlet, it is characterized in that: all to arrange two ends above power distribution cabinet and be all positioned at air channel outside electric equipment compartment often arranging, the gas outlet at power distribution cabinet top is communicated with described air channel by radiating tube; Air door is established at two ends, air channel, and air door is in open mode at ordinary times, and in air channel, the flow direction of air communicates with the flow direction of outdoor air, and the hot-air in each power distribution cabinet overflows from radiating tube and enters in air channel and the air channel that finally sheds; Above power distribution cabinet, be also provided with the exhaust column communicated with all air channels, exhaust column is provided with air exhauster, and exhaust column end is also positioned at outside electric equipment compartment, and air door is closed, air exhauster work, and the hot-air in each power distribution cabinet can be extracted out outside electric equipment compartment by air exhauster; In each electric equipment compartment, be also provided with an inside fill air-conditioned cold air cabinet, Dou Youyige cold house in each power distribution cabinet, for installing important electric component in cold house, cold air cabinet communicates for a long time with the cold house in all power distribution cabinets, and cold air enters in cold house lowers the temperature to installed important electric component.
The cooling control method of the high voltage power distributing cabinet designed by the present invention, its beneficial effect is:
First, at ordinary times, each power distribution cabinet internal cause electric component work and the hot-air heated up, the principle risen due to hot-air can directly enter in air channel by radiating tube spilling, the two ends in air channel are positioned at the outside of electric equipment compartment, air in air channel communicates with outside, outdoor air is in flow regime substantially, the hot-air of air channel productive set can be shed in time, this make use of natural wind energy to dispel the heat, energy consumption is little, the hot-air shed in addition has directly arrived outdoor, the temperature of electric equipment compartment can not be made to raise, when in electric equipment compartment, air themperature is low, it enters cooling effectiveness in power distribution cabinet and can improve, secondly, independent cold air cabinet passes through air conditioner refrigerating, Dou Youyige cold house in each power distribution cabinet, for installing important electric component in cold house, cold air cabinet communicates for a long time with the cold house in all power distribution cabinets, cold air enters in cold house lowers the temperature to installed important electric component, important electric component can be generally that controller is as PLC or industrial PC, or the electric component that value ratio is higher, like this, important electric component obtains preferential treatment, can be in air conditioner surroundings for a long time, not easily produce fault, reduce the loss therefore produced, this method adopts a total air-conditioning to be important electric component coolings all in electric equipment compartment, and air-conditioning only communicates with each power distribution cabinet, and do not communicate with the air outside power distribution cabinet, air-conditioning need not reduce the temperature of whole electric equipment compartment, do not need to produce too much building energy consumption, can energy-conserving action be played, moreover, the door closable at two ends, air channel, air exhauster can work, the hot-air of all power distribution cabinets up can be taken out, the temperature in power distribution cabinet can be reduced, such scheme, in power distribution cabinet, there is no the fan of Long-term Vibration, the impact on electric component can be reduced, the connective stability of terminal and electric wire can be prevented.
The invention has the advantages that: power distribution cabinet is divided into many rows, often arrange all corresponding air channel of power distribution cabinet, can shed heat in time, good heat dissipation effect.On the other hand, the cold house in all power distribution cabinets, by means of only an air conditioner refrigerating, uses safer, and more energy-conservation.
The further improved plan of the present invention is: top, described cold house is provided with overfolw hole, and the cold air in cold house is spilled in power distribution cabinet by overfolw hole to reduce temperature.
The further improved plan of the present invention is: described exhaust column is vertical with air channel, and the connectivity part in exhaust column and air channel is positioned at the middle part in air channel
The further improved plan of the present invention is: described electric equipment compartment bottom surface fluting, is provided with the first pipeline and communicates with cold house in power distribution cabinet; The refrigerator pipe of going out bottom cold house is through the groove of electric equipment compartment bottom surface, and the first pipeline bottom in each power distribution cabinet is connected with refrigerator pipe.
The further improved plan of the present invention is: be also provided with cold air casing in each power distribution cabinet, cold air casing is covered with venthole, cold air casing is communicated with refrigerator pipe by second pipe, and second pipe is provided with cold air valve; After cold air valve is opened, the cold air in cold air cabinet is shed as power distribution cabinet is lowered the temperature by cold air casing.
The further improved plan of the present invention is: in each power distribution cabinet, be provided with temperature sensor, the air inlet of each power distribution cabinet bottom is provided with fan, master controller is provided with in described cold air cabinet, temperature sensor signal in each power distribution cabinet inputs in this master controller, air door, air exhauster, fan and cold air valve described in the output control connection of this master controller;
Temperature t1 in this power distribution cabinet of temperature sensor measurement in each power distribution cabinet also inputs to master controller, four temperature values ta, tb, tc and td are previously stored with at master controller, ta represents normal temperature, temperature in tb representative, high temperature in tc representative, td represents high temperature, and after the temperature t1 input master controller of each power distribution cabinet, itself and four temperature values compare by master controller;
The quantity being greater than the power distribution cabinet of ta as t1 accounts for a half of sum, or the t1 quantity that is greater than the power distribution cabinet of tb account for sum three/for the moment, start air exhauster, close air door, and continue for some time T;
Cold air valve keeps at ordinary times cutting out and blocks being communicated with of refrigerator pipe and cold air casing; When the temperature t1 of some power distribution cabinets is greater than tc, the cold air valve that master controller controls in this power distribution cabinet is opened, and refrigerator pipe is communicated with cold air casing, and cold air is shed by the venthole on cold air casing, to reduce the temperature in power distribution cabinet, until just closing cool air valve during the little tb of t1 in this power distribution cabinet;
When the temperature t1 of some power distribution cabinets is greater than td, the fan continuous firing that master controller controls this power distribution cabinet closes the cold air valve of this power distribution cabinet simultaneously, fan work to the t1 of this power distribution cabinet is little be tb.
Accompanying drawing explanation
Fig. 1 is the vertical view of embodiment 1 electric equipment compartment;
Fig. 2 is the schematic diagram on embodiment 1 electric equipment compartment ground;
Fig. 3 is the schematic diagram of the interior layout of embodiment 1 electric equipment compartment;
Fig. 4 is the enlarged drawing of left-half in Fig. 3;
Fig. 5 is the partial schematic diagram of the interior layout of embodiment 2 electric equipment compartment;
Fig. 6 is A place enlarged drawing in Fig. 5;
Fig. 7 is B place enlarged drawing in Fig. 5;
Fig. 8 is C place enlarged drawing in Fig. 5;
In figure: power distribution cabinet 1, cold air cabinet 2, mounting panel 3, air inlet 4, fan 5, temperature sensor 6, cold house 7, cold air casing 8, air channel 9, venthole 10, gas outlet 11, radiating tube 12, air door 13, electric equipment compartment 14, exhaust column 15, air exhauster 16, air-conditioning 17, groove 18, refrigerator pipe 19, first pipeline 20, second pipe 21, important electric component 22, cold air valve 23, master controller 24, overfolw hole 25.
Embodiment
Below by embodiment, the invention will be further described by reference to the accompanying drawings.
Embodiment 1:
As shown in Figure 1,2,3, 4, the cooling control method of the high voltage power distributing cabinet described by the present embodiment, power distribution cabinet 1 is placed in electric equipment compartment 14 by it, and power distribution cabinet 1 is divided into many rows, often arrange power distribution cabinet 1 distribution in in-line, each power distribution cabinet 1 bottom is provided with air inlet 4, the mounting panel 3 for mounting electrical element is generally also provided with in power distribution cabinet 1, it is characterized in that: all to arrange two ends above power distribution cabinet 1 and be all positioned at air channel 9 outside electric equipment compartment 14 often arranging, the gas outlet 11 at power distribution cabinet 1 top is communicated with described air channel 9 by radiating tube 12; Air door 13 is established at two ends, air channel 9, air door 13 belongs to prior art, the simplest air door can be an electric gate valve, air door 13 is in open mode time flat, in air channel 9, the flow direction of air communicates with the flow direction of outdoor air, and the hot-air in each power distribution cabinet 1 overflows from radiating tube 12 and enters in air channel 9 and the air channel 9 that finally sheds; The exhaust column 15 communicated with all air channels 9 is also provided with above power distribution cabinet 1, exhaust column 15 is provided with air exhauster 16, and exhaust column 15 end is also positioned at outside electric equipment compartment 14, and air door 13 is closed, air exhauster 16 works, and the hot-air in each power distribution cabinet 1 can be extracted out outside electric equipment compartment 14 by air exhauster 16; The cold air cabinet 2 that air-conditioning 17 is equipped with in an inside is also provided with in each electric equipment compartment 14, Dou Youyige cold house 7 in each power distribution cabinet 1, for installing important electric component 22 in cold house 7, cold air cabinet 2 communicates for a long time with the cold house 7 in all power distribution cabinets 1, and cold air enters in cold house 7 lowers the temperature to installed important electric component 22.Wherein: air exhauster 16 is opened, air door 13 is closed this operation and can be passed through manually to complete, and also can be by Timer Controlling, at interval of regular time (as half an hour) work once, continue for some time (as 5 minutes) at every turn.In addition, top, described cold house 7 is provided with overfolw hole 25, and the cold air in cold house 7 is spilled in power distribution cabinet 1 by overfolw hole 25 to reduce temperature.Described exhaust column 15 is vertical with air channel 9, and exhaust column 15 is positioned at the middle part in air channel 9 with the connectivity part in air channel 9, such exhausting better effects if;
Cold house 7 is as follows with cold air cabinet 2 mode of communicating: described electric equipment compartment 14 bottom surface slots 18, is provided with the first pipeline 20 and communicates with cold house 7 in power distribution cabinet 1; The refrigerator pipe 19 of going out bottom cold house 7 is through the groove 18 of electric equipment compartment 14 bottom surface, and the first pipeline 20 bottom in each power distribution cabinet 1 is connected with refrigerator pipe 19.Significantly, power distribution cabinet 1 can arrange leg and be propped up, and does not slot in electric equipment compartment 14 bottom surface, and refrigerator pipe 19 is directly walked ground and is also fine.
The cooling control method of the high voltage power distributing cabinet designed by the present invention, its beneficial effect is:
First, at ordinary times, each power distribution cabinet 1 internal cause electric component work and the hot-air heated up, the principle risen due to hot-air can directly enter in air channel 9 by radiating tube 12 spilling, the two ends in air channel 9 are positioned at the outside of electric equipment compartment 14, air in air channel 9 communicates with outside, outdoor air is in flow regime substantially, the hot-air of air channel 9 productive set can be shed in time, this make use of natural wind energy to dispel the heat, energy consumption is little, the hot-air shed in addition has directly arrived outdoor, the temperature of electric equipment compartment 14 can not be made to raise, when in electric equipment compartment 14, air themperature is low, it enters cooling effectiveness in power distribution cabinet 1 and can improve, secondly, independent cold air cabinet 2 is freezed by air-conditioning 17, Dou Youyige cold house 7 in each power distribution cabinet 1, for installing important electric component 22 in cold house 7, cold air cabinet 2 communicates for a long time with the cold house 7 in all power distribution cabinets 1, cold air enters in cold house 7 lowers the temperature to installed important electric component 22, important electric component 22 can be generally that controller is as PLC or industrial PC, or the electric component that value ratio is higher, like this, important electric component 22 obtains preferential treatment, can be in air conditioner surroundings for a long time, not easily produce fault, reduce the loss therefore produced, this method adopts a total air-conditioning 17 to be that important electric components 22 all in electric equipment compartment is lowered the temperature, and air-conditioning 17 only communicates with each power distribution cabinet 1, and do not communicate with the air outside power distribution cabinet 1, air-conditioning 17 need not reduce the temperature of whole electric equipment compartment 14, do not need to produce too much building energy consumption, can energy-conserving action be played, moreover, the air door 13 at two ends, air channel 9 can be closed, air exhauster 16 can work, the hot-air of all power distribution cabinets 1 up can be taken out, the temperature in power distribution cabinet 1 can be reduced, such scheme, in power distribution cabinet 1, there is no the fan of Long-term Vibration, the impact on electric component can be reduced, the connective stability of terminal and electric wire can be prevented.
The invention has the advantages that: power distribution cabinet 1 is divided into many rows, often arrange all corresponding air channel 9 of power distribution cabinet 1, can shed heat in time, good heat dissipation effect.On the other hand, freezing by means of only an air-conditioning 17 in the cold house 7 in all power distribution cabinets 1, uses safer, and more energy-conservation.
It should be noted that: after being provided with air-conditioning 17 refrigeration in cold air cabinet 2, cold air can be shed by refrigerator pipe 19, this is the effect of diffusion, air-conditioning 17 also has certain effect simultaneously, shed better to make the cold air in cold air cabinet 2, the small fan (power 10W-20W) of an ecto-entad air-breathing can be installed additional on cold air cabinet 2, air in cold air cabinet 2 can be gone out from refrigerator pipe 19 better, or a small fan (power 10W-20W) can be installed additional on refrigerator pipe 19, the cold air in cold air cabinet 2 is outwards taken out.
In this programme, also can do the improvement of waterproof, insect protected, as two ends in air channel 9 can arrange scupper at a distance of the position of wind passage mouth 50 centimetres to 1 meter, namely mark many notches in bottom surface, air channel 9, can prevent rainwater from entering, or air channel 9 is arranged to the low pattern in middle high two ends; In insect protected, all can be provided with fly net in two ends in air channel 9, fly net and wind passage mouth are at a distance of 1 meter to 2 meters; Fly net can adopt wire netting; Also insect protected electrical network can be adopted, electricity is carried out to the insect entered in air channel 9 and kills insect protected, the structure of insect protected electrical network is prior art, disclose this insect protected electrical network at Chinese patent ZL2009201214549 insect prevention window, also there is the structure of insect protected electrical network in addition in existing electric mosquito flap, as long as electric mosquito flap is amplified, the concrete structure of insect protected electrical network is prior art, do not describe in detail at this, waterproof, insect protected are not Spirit Essences of the present invention, specifically do not describe in detail.
Embodiment 2:
As shown in Fig. 5,6,7,8, the cooling control method of the high voltage power distributing cabinet described by the present embodiment, with method described in embodiment 1 unlike:
Also be provided with cold air casing 8 in each power distribution cabinet 1, cold air casing 8 be covered with venthole 10, cold air casing 8 is communicated with refrigerator pipe 19 by second pipe 21, and second pipe 21 is provided with cold air valve 23; After cold air valve 23 is opened, the cold air in cold air cabinet 2 is shed as power distribution cabinet 1 is lowered the temperature by cold air casing 8.
Temperature sensor 6 is provided with in each power distribution cabinet 1, the air inlet 4 of each power distribution cabinet 1 bottom is provided with fan 5, master controller 24 is provided with in described cold air cabinet 2, temperature sensor 6 signal in each power distribution cabinet 1 inputs in this master controller 24, air door 13, air exhauster 16, fan 5 and cold air valve 23 described in the output control connection of this master controller 24;
Temperature sensor 6 in each power distribution cabinet 1 is measured the temperature t1 in this power distribution cabinet 1 and is inputed to master controller 24, four temperature values ta, tb, tc and td are previously stored with at master controller 24, ta represents normal temperature, temperature in tb representative, high temperature in tc representative, td represents high temperature, and after the temperature t1 input master controller 24 of each power distribution cabinet 1, itself and four temperature values compare by master controller 24;
The quantity being greater than the power distribution cabinet 1 of ta as t1 accounts for a half of sum, or the t1 quantity that is greater than the power distribution cabinet 1 of tb account for sum three/for the moment, start air exhauster 16, close air door 13, and continue for some time T;
Keep when cold air valve 23 is flat closing blocking being communicated with of refrigerator pipe 19 and cold air casing 8; When the temperature t1 of some power distribution cabinets 1 is greater than tc, the cold air valve 23 that master controller 24 controls in this power distribution cabinet 1 is opened, refrigerator pipe 19 is communicated with cold air casing 8, cold air is shed by the venthole 10 on cold air casing 8, to reduce the temperature in power distribution cabinet 1, until just closing cool air valve 23 during the little tb of t1 in this power distribution cabinet 1;
When the temperature t1 of some power distribution cabinets 1 is greater than td, fan 5 continuous firing that master controller 24 controls this power distribution cabinet 1 closes the cold air valve 23 of this power distribution cabinet 1 simultaneously, fan 5 works that the t1 of this power distribution cabinet 1 is little and is tb.
The cooling control method of the high voltage power distributing cabinet described by the present embodiment, also tool has the following advantages, that is: concentrate heat sink conception+indivedual heat sink conception to combine.
One, heat sink conception is concentrated:
When more power distribution cabinet 1 temperature raises (quantity being greater than the power distribution cabinet 1 of ta as t1 accounts for a total half), or when power distribution cabinet 1 temperature of some is in middle temperature (quantity that t1 is greater than the power distribution cabinet 1 of tb account for sum three/for the moment), start exhausting heat radiation scheme, all power distribution cabinets are lowered the temperature together, they can normally be worked, this is the scheme concentrating heat radiation, and desirable 1 minute-5 minutes of this scheme for duration a period of time T(T), the heat in power distribution cabinet 1 can be made substantially to be pumped, electric component is normally worked; And this mode is when running, the air in cold house 7 also can be drawn out of, and equals like this to upgrade the air in cold house 7, makes the temperature of cold house 7 lower.
Two, indivedual heat sink conception:
And for single power distribution cabinet 1, temperature is higher, when other power distribution cabinet 1 temperature are not up to radiating condition less than above-mentioned concentrated exhausting again, there are two kinds of modes, one is when the temperature t1 of some power distribution cabinets 1 is greater than tc, namely in during high temperature, the cold air valve 23 that master controller 24 controls in this power distribution cabinet 1 is opened, refrigerator pipe 19 is communicated with cold air casing 8, cold air is shed by the venthole 10 on cold air casing 8, to reduce the temperature in power distribution cabinet 1, air-conditioning 17 is utilized to carry out single cooling, this mode still can not meet, when temperature in power distribution cabinet 1 is in high temperature, namely when the temperature t1 of power distribution cabinet 1 is greater than td, fan 5 continuous firing that master controller 24 controls this power distribution cabinet 1 closes the cold air valve 23 of this power distribution cabinet 1 simultaneously, fan 5 works that the t1 of this power distribution cabinet 1 is little and is tb.Fan 5 continuous firing is utilized to lower the temperature.This indivedual heat sink conception, all to temperature is less than tb in power distribution cabinet 1, at below tb, is waited for that more power distribution cabinet 1 temperature rises and is reached tb, can start concentrated heat sink conception.
In this programme, in fact fan 5 is not long-term work, and only work one little meeting, therefore can reduce the impact of vibration substantially.
Concentrated heat sink conception like this adds indivedual heat sink conception, both ensure that entirety, and in turn ensure that the normal work of single power distribution cabinet, effect is better.
Ta, tb, tc and td tetra-temperature values, those skilled in the art can according to circumstances control oneself setting, such as: ta is 35 degrees Celsius; Tb is 40 degrees Celsius; Tc is 45 degrees Celsius; Td is 50 degrees Celsius; Significantly, according to the difference of region, the difference of situation, four temperature values can regulate, but must guarantee that card ta is less than tb and is less than tc and is less than td.
Above-described embodiment is only to design of the present invention explanation for example, and significantly, the protection range of this patent is not limited to above-described embodiment.
The various equivalent modifications or supplementary that those skilled in the art do above-described embodiment, all should fall into the protection range of this patent.
Claims (6)
1. the cooling control method of a high voltage power distributing cabinet, power distribution cabinet (1) is placed in electric equipment compartment (14) by it, and power distribution cabinet (1) is divided into many rows, often arrange power distribution cabinet (1) to distribute in in-line, each power distribution cabinet (1) bottom is provided with air inlet (4), it is characterized in that: all arrange two ends in the top of often arranging power distribution cabinet (1) and be all positioned at electric equipment compartment (14) air channel outward, the gas outlet (11) at power distribution cabinet (1) top is communicated with described air channel (9) by radiating tube (12); Air door (13) is established at air channel (9) two ends, air door (13) is in open mode at ordinary times, the flow direction of air channel (9) interior air communicates with the flow direction of outdoor air, and the hot-air in each power distribution cabinet (1) overflows from radiating tube (12) and enters in air channel (9) and the air channel (9) that finally sheds; The exhaust column (15) communicated with all air channels (9) is also provided with in power distribution cabinet (1) top, exhaust column (15) is provided with air exhauster (16), exhaust column (15) end is also positioned at electric equipment compartment (14) outward, air door (13) is closed, air exhauster (16) works, and the hot-air in each power distribution cabinet (1) can be extracted out electric equipment compartment (14) outward by air exhauster (16); The cold air cabinet (2) that air-conditioning (17) is equipped with in an inside is also provided with in each electric equipment compartment (14), the interior Dou Youyige cold house (7) of each power distribution cabinet (1), for installing important electric component (22) in cold house (7), cold air cabinet (2) communicates for a long time with the cold house (7) in all power distribution cabinets (1), and cold air enters in cold house (7) lowers the temperature to installed important electric component (22).
2. the cooling control method of high voltage power distributing cabinet according to claim 1, is characterized in that described cold house (7) top is provided with overfolw hole (25), and the cold air in cold house (7) is spilled in power distribution cabinet (1) by overfolw hole (25) to reduce temperature.
3. the cooling control method of high voltage power distributing cabinet according to claim 1, is characterized in that described exhaust column (15) is vertical with air channel (9), and exhaust column (15) is positioned at the middle part of air channel (9) with the connectivity part in air channel (9).
4. the cooling control method of high voltage power distributing cabinet according to claim 1, is characterized in that described electric equipment compartment (14) bottom surface fluting (18), is provided with the first pipeline (20) and communicates with cold house (7) in power distribution cabinet (1); The refrigerator pipe (19) of going out from cold house (7) bottom is through the groove (18) of electric equipment compartment (14) bottom surface, and the first pipeline (20) bottom in each power distribution cabinet (1) is connected with refrigerator pipe (19).
5. the cooling control method of high voltage power distributing cabinet according to claim 4, it is characterized in that also being provided with cold air casing (8) in each power distribution cabinet (1), cold air casing (8) is covered with venthole (10), cold air casing (8) is communicated with refrigerator pipe (19) by second pipe (21), and second pipe (21) is provided with cold air valve (23); After cold air valve (23) is opened, the cold air in cold air cabinet (2) is shed as power distribution cabinet (1) is lowered the temperature by cold air casing (8).
6. the cooling control method of high voltage power distributing cabinet according to claim 5, it is characterized in that being provided with temperature sensor (6) in each power distribution cabinet (1), the air inlet (4) of each power distribution cabinet (1) bottom is provided with fan (5), master controller (24) is provided with in described cold air cabinet (2), temperature sensor (6) signal in each power distribution cabinet (1) inputs in this master controller (24), air door (13), air exhauster (16), fan (5) and cold air valve (23) described in the output control connection of this master controller (24);
Temperature sensor (6) in each power distribution cabinet (1) is measured the temperature t1 in this power distribution cabinet (1) and is inputed to master controller (24), four temperature values ta, tb, tc and td are previously stored with at master controller (24), ta represents normal temperature, temperature in tb representative, high temperature in tc representative, td represents high temperature, and after temperature t1 input master controller (24) of each power distribution cabinet (1), itself and four temperature values compare by master controller (24);
The quantity being greater than the power distribution cabinet (1) of ta as t1 accounts for a half of sum, or the t1 quantity that is greater than the power distribution cabinet (1) of tb account for sum three/for the moment, start air exhauster (16), close air door (13), and continue for some time T;
Cold air valve (23) keeps at ordinary times cutting out and blocks refrigerator pipe (19) and being communicated with of cold air casing (8); When the temperature t1 of some power distribution cabinets (1) is greater than tc, the cold air valve (23) that master controller (24) controls in this power distribution cabinet (1) is opened, refrigerator pipe (19) is communicated with cold air casing (8), cold air is shed by the venthole (10) on cold air casing (8), to reduce the temperature in power distribution cabinet (1), until just closing cool air valve (23) during the little tb of this power distribution cabinet (1) interior t1;
When the temperature t1 of some power distribution cabinets (1) is greater than td, fan (5) continuous firing that master controller (24) controls this power distribution cabinet (1) closes the cold air valve (23) of this power distribution cabinet (1) simultaneously, fan (5) work to the t1 of this power distribution cabinet (1) is little be tb.
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| CN105807806A (en) * | 2016-04-21 | 2016-07-27 | 陈丹燕 | Temperature monitoring method for electric power cabinet and electric power cabinet |
| CN105914615A (en) * | 2016-05-13 | 2016-08-31 | 宁波高新区天视光电科技有限公司 | Switching room monitoring alarm system |
| CN105929871A (en) * | 2016-04-21 | 2016-09-07 | 陈丹燕 | Power distribution cabinet monitoring system and method |
| CN106598106A (en) * | 2016-12-29 | 2017-04-26 | 芜湖亿诚电子科技有限公司 | Intelligent power distribution cabinet control system |
| CN107742844A (en) * | 2017-10-24 | 2018-02-27 | 郑州天舜电子技术有限公司 | Dedusting is dust-proof and is easy to the distribution box of heat dissipation ventilation |
| CN108879370A (en) * | 2018-07-12 | 2018-11-23 | 江苏雄海智能电气有限公司 | It is a kind of with dust-proof, rainproof function split type high and low voltage switchgear |
| CN109649200A (en) * | 2018-12-06 | 2019-04-19 | 安徽盛德能源互联网研究院有限公司 | A kind of automobile charging equipment intelligence consumption reduction humidity control system |
| CN113382610A (en) * | 2021-06-18 | 2021-09-10 | 武汉铁路职业技术学院 | Automatic electrical control cabinet of electric locomotive and working method |
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| CN105281226A (en) * | 2015-10-28 | 2016-01-27 | 国家电网公司 | Electric switch cabinet with heat dissipation apparatus |
| CN105807806A (en) * | 2016-04-21 | 2016-07-27 | 陈丹燕 | Temperature monitoring method for electric power cabinet and electric power cabinet |
| CN105929871A (en) * | 2016-04-21 | 2016-09-07 | 陈丹燕 | Power distribution cabinet monitoring system and method |
| CN105929871B (en) * | 2016-04-21 | 2017-12-01 | 烟台宝骏软件技术有限公司 | A kind of monitoring system and method for power distribution cabinet |
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| CN106598106A (en) * | 2016-12-29 | 2017-04-26 | 芜湖亿诚电子科技有限公司 | Intelligent power distribution cabinet control system |
| CN107742844A (en) * | 2017-10-24 | 2018-02-27 | 郑州天舜电子技术有限公司 | Dedusting is dust-proof and is easy to the distribution box of heat dissipation ventilation |
| CN108879370A (en) * | 2018-07-12 | 2018-11-23 | 江苏雄海智能电气有限公司 | It is a kind of with dust-proof, rainproof function split type high and low voltage switchgear |
| CN109649200A (en) * | 2018-12-06 | 2019-04-19 | 安徽盛德能源互联网研究院有限公司 | A kind of automobile charging equipment intelligence consumption reduction humidity control system |
| CN113382610A (en) * | 2021-06-18 | 2021-09-10 | 武汉铁路职业技术学院 | Automatic electrical control cabinet of electric locomotive and working method |
| CN113382610B (en) * | 2021-06-18 | 2022-04-19 | 武汉铁路职业技术学院 | Automatic electrical control cabinet of electric locomotive and working method |
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