CN207945781U - A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure - Google Patents

A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure Download PDF

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Publication number
CN207945781U
CN207945781U CN201820227340.1U CN201820227340U CN207945781U CN 207945781 U CN207945781 U CN 207945781U CN 201820227340 U CN201820227340 U CN 201820227340U CN 207945781 U CN207945781 U CN 207945781U
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China
Prior art keywords
coupled
matrix
ground connection
relay
fan
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Expired - Fee Related
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CN201820227340.1U
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Chinese (zh)
Inventor
周杰
干晓群
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Zhejiang Public Power Engineering Design Co Ltd
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Zhejiang Public Power Engineering Design Co Ltd
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Priority to CN201820227340.1U priority Critical patent/CN207945781U/en
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Abstract

The utility model is related to electric substation's Design of ventilation technical fields, it discloses a kind of electric substation's capacitor chamber and ground connection becomes chamber ventilated structure, including matrix, shutter in one side-lower of matrix, the draft fan that is arranged above the matrix other side are set, it is provided with connection the piping outside the house above described matrix, it is provided with ventilation fan in pipeline, the radiating circuit for controlling ventilation fan work according to indoor temperature is provided in described matrix;When normal condition, shutter air inlet, draft fan outlet air;When the temperature of air in matrix increases, ventilation fan work is controlled by radiating circuit, to accelerate the flowing velocity of the air in matrix, to achieve the effect that heat dissipation.

Description

A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure
Technical field
The utility model is related to electric substation's Design of ventilation technical fields, and in particular to a kind of electric substation's capacitor chamber and ground connection Become chamber ventilated structure.
Background technology
The electrical equipment of electric substation has longer history using outdoor arrangement, as scientific and technological progress and substations ' design are managed The progress of thought, capacitor and ground connection become the electrical equipments such as room and move on to indoor arrangement by open air, and electric substation is also on duty by someone It is substituted by unattended.Currently, newly-built 110kV and following urban substation is all made of unattended indoor power transformation on a large scale Institute.
The capacitor chamber of existing electric substation and ground connection become the Design of ventilation of room, mostly use natural air inlet mechanical exhaust mode.
In actual use, electronic component in electric substation etc. during the work time can heat production, cause in electric substation The temperature of air increases.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of electric substation's capacitor chamber and connecing Ground becomes chamber ventilated structure, has the effect of heat dissipation.
To achieve the above object, the utility model provides following technical solution:
A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure, including matrix, are arranged the hundred of one side-lower of matrix Leaf window, the draft fan being arranged above the matrix other side, described matrix top are provided with connection the piping outside the house, are arranged in pipeline There is ventilation fan, the radiating circuit for controlling ventilation fan work according to indoor temperature is provided in described matrix.
By using above-mentioned technical proposal, when normal condition, shutter air inlet, draft fan outlet air;Air in matrix Temperature increase when, by radiating circuit come control ventilation fan work, to accelerate the flowing velocity of the air in matrix, from And achieve the effect that heat dissipation.
The utility model is further arranged to:The radiating circuit includes:
Detection circuit, for detecting the air themperature in matrix and exporting detection signal;
Comparison circuit, including,
First comparing section is coupled to detection circuit to receive detection signal, and will detection signal and the progress of the first preset value After export first control signal;
Second comparing section is coupled to detection circuit with the tie point of the first comparing section to receive detection signal, and will detection Signal exports second control signal after being compared with the second preset value;
Control circuit is coupled to comparison circuit to receive first control signal and second control signal to be carried out to ventilation fan Control system of switching on or off electricity.
By using above-mentioned technical proposal, the air themperature of matrix is detected by detection circuit, by comparing circuit to sky Air humidity degree is compared, when the air themperature in matrix is higher than the first preset value, by ventilation fan to radiating in matrix, When air themperature in matrix is less than the second preset value, by closing ventilation fan, to achieve the effect that save electric energy.
The utility model is further arranged to:The control circuit includes,
Portion is opened in control, is coupled to the first comparing section to receive first control signal, when the air themperature in matrix is higher than first When preset value, the control portion of opening makes ventilation fan obtain electric and is kept as electricity condition;
Pass portion is controlled, is coupled to the second comparing section to receive second control signal, when the air themperature in matrix is less than second When preset value, control pass portion makes ventilation fan power off and remains powered off state.
By using above-mentioned technical proposal, so that ventilation fan is worked by controlling the portion of opening, so that ventilation fan is powered off by controlling pass portion, from Dynamic control, is easy to implement.
The utility model is further arranged to:Described ventilation fan one end is coupled to direct current, other end ground connection, the control The portion of opening includes,
5th resistance, one end are coupled to the first comparing section;
First triode, emitter ground connection, base stage are coupled to the 5th resistance;
First relay, one end are coupled to the collector of the first triode, and the other end is coupled to direct current, the first relay Including the first normally opened contact switch, the first normally opened contact switch is series between ventilation fan and direct current;
6th resistance, one end are coupled to the tie point of the 5th resistance and the first transistor base, and the other end is coupled to first The tie point of triode and ground;
Third relay, one end are coupled to the first relay and direct current tie point, and the other end is coupled to the first relay With the tie point of the first transistor collector, third relay includes third normally opened contact switch, third normally opened contact switch one End is coupled to the tie point of the first relay and the first transistor collector, third normally opened contact switch other end ground connection.
By using above-mentioned technical proposal, if the temperature of the air in matrix is higher than the first preset value, the first control of output Signal processed makes the first triode ON, so that the first relay is worked with third relay, the first normally opened contact of the first relay Switch disconnect, ventilation fan obtain it is electric, to radiating in matrix;The third normally opened contact switch of third relay is closed, and makes first Relay remains to work in the state that the first triode is not turned on, and ventilation fan is made to remain powered off state.
The utility model is further arranged to:The control pass portion includes,
7th resistance is coupled to the second comparing section;
Second triode, base stage are coupled to the 7th resistance, emitter ground connection;
8th resistance, one end are coupled to the tie point of the 7th resistance and the second transistor base, and the other end is coupled to second The tie point of triode and ground;
Second relay, one end are coupled to direct current, and the other end is coupled to the collector of the second triode, the second relay It is switched including the second normally-closed contact, the second normally-closed contact switch is series between third normally opened contact switch and ground.
By using above-mentioned technical proposal, when the air themperature in matrix is less than the second preset value, the first triode is not The second control signal of conducting, the output of the second comparator makes the second triode ON, after the second triode ON, the second relay The normally-closed contact switch work of work, the second relay makes ventilation fan to make the first relay not work with third relay Power-off, to which ventilation fan be automatically closed.
The utility model is further arranged to:Further include the guiding fan for being arranged in matrix and being located above shutter, The guiding fan is connected with ventilation fan.
It by using above-mentioned technical proposal, is oriented to fan and connects with ventilation fan, so when base body temperature is high, be oriented to fan work Make, to strengthen the amount that shutter enters the air in matrix, to improve the cooling-down effect to the air in matrix.
The utility model is further arranged to:Fixed plate is provided in described matrix, the guiding is fanned top and fixed Plate is hinged, and described be oriented to is provided with the adjustment part that adjustment is oriented to fan angle of inclination on fan.
By using above-mentioned technical proposal, by adjusting the angle of inclination of fan is oriented to, to make guiding of the guiding fan to wind Angulation change strengthens heat dissipation effect consequently facilitating air is exported from ventilation fan and draft fan.
The utility model is further arranged to:The adjustment part is set as and is oriented to fan threaded connection and is used to abut solid The adjustment screw of fixed board.
By using above-mentioned technical proposal, by rotating adjustment screw, to make adjustment screw be pushed against with fixed link, to Adjustment is oriented to the angle of inclination of fan, simple in structure, easy to adjust.
The utility model has the following advantages:
1, when normal condition, shutter air inlet, draft fan outlet air;When the temperature of air in matrix increases, by dissipating Heater circuit works to control ventilation fan, to accelerate the flowing velocity of the air in matrix, to achieve the effect that heat dissipation;
2, when the air themperature in matrix is higher than the first preset value, by ventilation fan to radiating in matrix, in base When internal air themperature is less than the second preset value, by closing ventilation fan, to achieve the effect that save electric energy;
3, ventilation fan automatic open close, automation control;
4, it is fanned by being oriented to, strengthens heat dissipation effect.
Description of the drawings
Fig. 1 is the overall structure figure of matrix;
Fig. 2 is the circuit diagram of radiating circuit.
Reference numeral:1, matrix;2, shutter;3, draft fan;4, pipeline;5, ventilation fan;6, it is oriented to fan;7, fixed plate; 8, bolt;9, adjustment screw;10, temperature sensor;1000, radiating circuit;100, detection circuit;200, comparison circuit;201、 First comparing section;202, the second comparing section;300, control circuit;301, portion is opened in control;302, pass portion is controlled;R1, first resistor;R2、 Second resistance;R3,3rd resistor;R4, the 4th resistance;R5, the 5th resistance;R6, the 6th resistance;R7, the 7th resistance;R8, the 8th Resistance;A, first comparator;B, the second comparator;Q1, the first triode;Q2, the second triode;KM1, the first relay; KM2, the second relay;KM3, third relay;S1, the first normally opened contact switch;S2, the second normally-closed contact switch;S3, third Normally opened contact switch;D1, fly-wheel diode.
Specific implementation mode
The utility model is described further with reference to attached drawing.
A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure, as shown in Figure 1:Including matrix 1, it is arranged in matrix 1 The shutter 2 of one side-lower, the draft fan 3 being arranged above 1 other side of matrix, 1 top of matrix are provided with the pipe outside communication chamber Road 4 is provided with ventilation fan 5 in pipeline 4.
The guiding fan 6 being provided in matrix 1 above shutter 2, is provided with fixed plate 7 in matrix 1, fixed plate 7 with Matrix 1 is connected by bolt 8.It is oriented to 6 top of fan and fixed plate 7 is hinged, be oriented on fan 6 and be provided with 6 inclinations angle of adjustment guiding fan The adjustment part of degree.Adjustment part is set as the adjustment screws 9 being threadedly coupled with guiding fan 6.By rotating adjustment screw 9, spiral shell is pushed against Bar is abutted with fixed plate 7, so as to adjust the angle of inclination of fan 6 is oriented to, to enhance the sky for being oriented to 6 pairs of shutters 2 of fan and entering The effect of the promotion of gas.
As shown in Figure 2:It is provided in matrix 1 and fans 6 radiating circuits whether being powered for controlling ventilation fan 5 and being oriented to 1000, radiating circuit 1000 includes:For detecting the temperature of air in matrix 1 and exporting the detection circuit 100 of detection signal, coupling It is connected to the comparison circuit 200 of detection circuit 100, the control ventilation fan 5 of comparison circuit 200 is coupled to and is oriented to whether fan 6 is powered Control circuit 300.
Detection circuit 100 is set as temperature sensor 10(As shown in Figure 1), the setting of temperature sensor 10 is at 1 top of matrix.
As shown in Figure 2:Comparison circuit 200 includes the first comparing section 201, the second comparing section 202.
As shown in Figure 2:First comparing section 201 includes first resistor R1, second resistance R2, first comparator A, first resistor The one end R1 is coupled to direct current, and the first resistor R1 other ends are coupled to the one end second resistance R2, and the second resistance R2 other ends are grounded, First comparator A reverse side is coupled to the tie point of first resistor R1 and second resistance R2 to receive the first preset value, and first is pre- If value is the high situation of the temperature of air in matrix 1;First comparator A positive terminals are coupled to temperature sensor 10 to receive detection Signal.
Second comparing section 202 includes 3rd resistor R3, the 4th resistance R4, the second comparator B, the coupling of the one end 3rd resistor R3 In direct current, the 3rd resistor R3 other ends are coupled to the 4th one end resistance R4, the 4th resistance R4 other ends ground connection, the second comparator B positive terminals are coupled to the tie point of 3rd resistor R3 and the 4th resistance R4 to receive the second preset value, and the second preset value is matrix 1 The low situation of the temperature of interior air;Second comparator B reverse side is coupled to temperature sensor 10 and first comparator A positive terminals Tie point is to receive detection signal.
Control circuit 300 includes that portion 301, control pass portion 302 are opened in control.5 one end of ventilation fan is coupled to direct current, other end coupling In being oriented to fan 6, it is oriented to 6 ground connection of fan.
Control open portion 301 include the 5th resistance R5, the 6th resistance R6, the first triode Q1, the first relay KM1, third after Electric appliance KM3, the 5th one end resistance R5 are coupled to first comparator A output ends, and the 5th resistance R5 other ends are coupled to the one or three pole Pipe Q1 base stages;The collector of first triode Q1 is coupled to the emitter ground connection of the first relay KM1, the first triode Q1;The One relay KM1 is coupled to direct current, and the first relay KM1 includes the first normally opened contact switch S1, the first normally opened contact switch S1 is series between ventilation fan 5 and direct current.
6th one end resistance R6 is coupled to the tie point of the 5th resistance R5 and the first triode Q1 base stages, and the 6th resistance R6 is another One end is coupled to the tie point of the first triode Q1 and ground;The one end third relay KM3 is coupled to the first relay KM1 and direct current Be electrically connected contact, and the third relay KM3 other ends are coupled to the tie point of the first relay KM1 and the first triode Q1 collectors, Third relay KM3 includes third normally opened contact switch S3, and the one end third normally opened contact switch S3 is coupled to the first relay KM1 With the tie point of the first triode Q1 collectors, third normally opened contact switch S3 other ends ground connection.
It includes the 7th resistance R7, the 8th resistance R8, the second triode Q2, the second relay KM2, afterflow two to control pass portion 302 Pole pipe D1, the 7th one end resistance R7 are coupled to one end and are coupled to the second comparator B output ends, and the 7th resistance R7 other ends are coupled to Second triode Q2 base stages;The collector of second triode Q2 is coupled to the second relay KM2, the emitter of the second triode Q2 Ground connection.
8th one end resistance R8 is coupled to the tie point of the 7th resistance R7 and the second triode Q2 base stages, and the other end is coupled to The tie point of second triode Q2 and ground;Second relay KM2 is coupled to direct current, and the second relay KM2 includes second normally closed Contact switch S2, the second normally-closed contact switch S2 are series between third normally opened contact switch S3 and ground.Sustained diode 1 one End is coupled to the tie point of the second relay KM2 and the second triode Q2 collectors, and 1 other end of sustained diode is coupled to the The tie point of two relay KM2 and ground.
Operation principle:When air themperature in matrix 1 is low, shutter 2 is entered the wind, 3 outlet air of draft fan.
Temperature sensor 10 is by the temperature transition in matrix 1 at detection signal, and the output detection of temperature sensor 10 signal is extremely The reverse side of first comparator A positive terminals and the second comparator B, first comparator A is compared detection signal, if detecting Matrix 1 in temperature when being higher than the first preset value, it was demonstrated that temperature is high in matrix 1, and the first control signal of output makes the one or three Pole pipe Q1 conductings, make the first relay KM1 work with third relay KM3, the first normally opened contact switch of the first relay KM1 S1 is disconnected, and ventilation fan 5 works, and the third normally opened contact switch S3 of third relay KM3 is closed, and makes the first relay KM1 the One triode Q1 remains to work in the state of being not turned on, to make ventilation fan 5 be in working condition, to being carried out in matrix 1 Heat dissipation.
It is oriented to fan 6 to connect with ventilation fan 5, so when temperature is high in matrix 1,6 work of fan is oriented to, to strengthen blinds Window 2 enters the amount of the air in matrix 1, to improve the cooling-down effect to the air in matrix 1.
When air themperature is less than the second preset value in matrix 1, the first triode Q1 is not turned on, the second comparator B outputs High level make the second triode Q2 conducting, after the second triode Q2 conductings, the second relay KM2 work, the second relay KM2 The second normally-closed contact switch S2 work so that ventilation fan 5 is broken to make the first relay KM1 not work with third relay KM3 Electricity.
The above is only the preferred embodiment of the utility model, and the scope of protection of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the scope of protection of the utility model.It should refer to Go out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.

Claims (8)

1. a kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure, including matrix(1), be arranged in matrix(1)One side-lower Shutter(2), be arranged in matrix(1)Draft fan above the other side(3), it is characterized in that:Described matrix(1)Top is provided with It is connected to the piping outside the house(4), pipeline(4)Inside it is provided with ventilation fan(5), described matrix(1)Inside be provided with according to indoor temperature come Control ventilation fan(5)The radiating circuit of work(1000).
2. a kind of electric substation's capacitor chamber according to claim 1 and ground connection become chamber ventilated structure, it is characterized in that:It is described to dissipate Heater circuit(1000)Including:
Detection circuit(100), for detecting matrix(1)Interior air themperature simultaneously exports detection signal;
Comparison circuit(200), including,
First comparing section(201), it is coupled to detection circuit(100)Signal is detected to receive, and detection signal is preset with first Value exports first control signal after being compared;
Second comparing section(202), it is coupled to detection circuit(100)With the first comparing section(201)Tie point with receive detection letter Number, and export second control signal after detection signal is compared with the second preset value;
Control circuit(300), it is coupled to comparison circuit(200)To receive first control signal and second control signal with to ventilation Fan(5)Carry out control system of switching on or off electricity.
3. a kind of electric substation's capacitor chamber according to claim 2 and ground connection become chamber ventilated structure, it is characterized in that:The control Circuit processed(300)Including,
Portion is opened in control(301), it is coupled to the first comparing section(201)To receive first control signal, work as matrix(1)Interior air themperature When higher than the first preset value, portion is opened in control(301)Make ventilation fan(5)It obtains electric and is kept as electricity condition;
Control pass portion(302), it is coupled to the second comparing section(202)To receive second control signal, work as matrix(1)Interior air themperature When less than the second preset value, pass portion is controlled(302)Make ventilation fan(5)It powers off and remains powered off state.
4. a kind of electric substation's capacitor chamber according to claim 3 and ground connection become chamber ventilated structure, it is characterized in that:It is described to change Gas is fanned(5)One end is coupled to direct current, other end ground connection, and portion is opened in the control(301)Including,
5th resistance, one end are coupled to the first comparing section(201);
First triode, emitter ground connection, base stage are coupled to the 5th resistance;
First relay, one end are coupled to the collector of the first triode, and the other end is coupled to direct current, and the first relay includes First normally opened contact switch, the first normally opened contact switch are series at ventilation fan(5)Between direct current;
6th resistance, one end are coupled to the tie point of the 5th resistance and the first transistor base, and the other end is coupled to the one or three pole The tie point of pipe and ground;
Third relay, one end are coupled to the first relay and direct current tie point, and the other end is coupled to the first relay and The tie point of one transistor collector, third relay include third normally opened contact switch, third normally opened contact switch one end coupling It is connected to the tie point of the first relay and the first transistor collector, third normally opened contact switch other end ground connection.
5. a kind of electric substation's capacitor chamber according to claim 4 and ground connection become chamber ventilated structure, it is characterized in that:The control Pass portion(302)Including,
7th resistance is coupled to the second comparing section(202);
Second triode, base stage are coupled to the 7th resistance, emitter ground connection;
8th resistance, one end are coupled to the tie point of the 7th resistance and the second transistor base, and the other end is coupled to the two or three pole The tie point of pipe and ground;
Second relay, one end are coupled to direct current, and the other end is coupled to the collector of the second triode, and the second relay includes Second normally-closed contact switchs, and the second normally-closed contact switch is series between third normally opened contact switch and ground.
6. a kind of electric substation's capacitor chamber according to claim 1 and ground connection become chamber ventilated structure, it is characterized in that:Further include It is arranged in matrix(1)It is interior and be located at shutter(2)The guiding of top is fanned(6), the guiding fan(6)With ventilation fan(5)Series connection.
7. a kind of electric substation's capacitor chamber according to claim 6 and ground connection become chamber ventilated structure, it is characterized in that:The base Body(1)Inside it is provided with fixed plate(7), the guiding fan(6)Top and fixed plate(7)It is hinged, the guiding fan(6)On be provided with Adjustment is oriented to fan(6)The adjustment part at angle of inclination.
8. a kind of electric substation's capacitor chamber according to claim 7 and ground connection become chamber ventilated structure, it is characterized in that:The tune One integral piece is set as and is oriented to fan(6)It is threadedly coupled and for abutting fixed plate(7)Adjustment screw(9).
CN201820227340.1U 2018-02-08 2018-02-08 A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure Expired - Fee Related CN207945781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820227340.1U CN207945781U (en) 2018-02-08 2018-02-08 A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820227340.1U CN207945781U (en) 2018-02-08 2018-02-08 A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure

Publications (1)

Publication Number Publication Date
CN207945781U true CN207945781U (en) 2018-10-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820227340.1U Expired - Fee Related CN207945781U (en) 2018-02-08 2018-02-08 A kind of electric substation's capacitor chamber and ground connection become chamber ventilated structure

Country Status (1)

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CN (1) CN207945781U (en)

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Granted publication date: 20181009

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