CN216774080U - Self-control cooling box-type substation - Google Patents
Self-control cooling box-type substation Download PDFInfo
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- CN216774080U CN216774080U CN202123281794.8U CN202123281794U CN216774080U CN 216774080 U CN216774080 U CN 216774080U CN 202123281794 U CN202123281794 U CN 202123281794U CN 216774080 U CN216774080 U CN 216774080U
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Abstract
The utility model discloses an automatic control cooling box-type substation, which comprises a mounting seat, wherein a box-type substation cabinet with a movable door is arranged on the mounting seat, shutters are arranged on two sides of the box-type substation cabinet, and an air outlet is formed in the top of the box-type substation cabinet; a variable-frequency heat dissipation fan which is electrically connected with a control device arranged on the inner wall of the box-type power transformation cabinet is arranged at one end of the air outlet, which is positioned outside the box-type power transformation cabinet, and a flow guide cover is arranged at one end of the air outlet, which is positioned inside the box-type power transformation cabinet; and an air deflector is arranged at one end of each louver and positioned in the box-type power transformation cabinet. The utility model has the advantages that the air exhaust amount can be automatically adjusted according to the heat load in the transformer substation, and the heat load in the transformer substation can be timely exhausted to the external environment.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to a self-control cooling box-type substation.
Background
In recent years, with the development of economy in China and the rapid expansion of the real estate industry, the electricity consumption of residents and industry is increased year by year, and especially, small transformer substations are arranged for the factors of saving land, saving cost, shortening construction period and the like in cell matching and newly-built factories to meet the electricity consumption requirements. At present, in order to protect a transformer substation and prevent human safety accidents, the transformer substation is usually arranged indoors or in a box type cover body so as to improve the protection performance of the transformer substation.
However, in the use process of the existing transformer substation, in order to prevent components in the transformer substation from being damaged due to overhigh temperature, an exhaust fan, an air inlet and an air outlet are generally arranged as a cooling system, when the existing transformer substation cooling system is used, although a certain cooling and heat dissipation requirement can be met, the exhaust volume cannot be automatically adjusted according to the heat load in the transformer substation, and when the heat load in the transformer substation is overhigh and is not timely discharged to the external environment, heat is accumulated in the transformer substation to cause temperature rise, so that the components in the transformer substation are damaged; in addition, in the use process of the cooling system of the conventional transformer substation, because the temperature difference exists between the inlet air and the air in the transformer substation, a vortex is formed, so that heat is accumulated in the transformer substation and cannot be discharged in time, and further, the temperature in the transformer substation rises to cause the damage of components in the transformer substation, and the actual application requirement is difficult to meet.
Therefore, how to solve the above problems is an urgent technical problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic control cooling box type transformer substation which can automatically adjust the air exhaust amount according to the heat load in the transformer substation and can timely exhaust the heat load in the transformer substation to the external environment.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an automatic control cooling box-type substation comprises a mounting seat, wherein a box-type substation cabinet with a movable door is arranged on the mounting seat, shutters are arranged on two sides of the box-type substation cabinet, and an air outlet is formed in the top of the box-type substation cabinet; a variable-frequency heat dissipation fan which is electrically connected with a control device arranged on the inner wall of the box-type power transformation cabinet is arranged at one end of the air outlet, which is positioned outside the box-type power transformation cabinet, and a flow guide cover is arranged at one end of the air outlet, which is positioned inside the box-type power transformation cabinet; and an air deflector is arranged at one end of each louver and positioned in the box-type power transformation cabinet.
Preferably, the control device comprises a protective box mounted on the inner wall of the box-type power transformation cabinet, a frequency converter electrically connected with the variable-frequency heat dissipation fan is arranged in the protective box, a controller electrically connected with the frequency converter is further arranged in the protective box, and the control device further comprises a temperature sensor arranged on the inner wall of the box-type power transformation cabinet and electrically connected with the controller.
Preferably, the output end of the variable-frequency heat dissipation fan is provided with a rain cover with an insect-proof net.
Preferably, the frequency converter is an FL-J2 frequency converter; the controller is a SIMATIC-S7-400 PLC controller; the temperature sensor is a TZ-A7 temperature sensor; the frequency conversion heat dissipation fan is a CFG-90A frequency conversion fan.
Preferably, a dustproof net is detachably arranged at one end of each shutter, which is far away from the box-type power transformation cabinet.
Compared with the prior art, the utility model has the following beneficial effects:
when the variable-frequency heat dissipation air conditioner is used, the variable-frequency heat dissipation fan is started by the control device to work, so that the inside of the box-type power transformation cabinet is pumped into negative pressure, air in the external environment is conveyed into the box-type power transformation cabinet through the shutter by utilizing the difference between the internal pressure and the external pressure of the box-type power transformation cabinet to carry out heat exchange, and the air subjected to heat exchange in the box-type power transformation cabinet is discharged into the external environment through the air outlet under the guide of the guide hood by the variable-frequency heat dissipation fan, so that the internal temperature reduction operation of the box-type power transformation cabinet is realized; in the using process, the temperature sensor of the control device collects the temperature information in the box type power transformation cabinet in real time and transmits the temperature information to the controller of the control device, and the controller adjusts the rotating speed of the variable-frequency heat dissipation fan in real time through the frequency converter of the control device according to the collected temperature information, so that the air exhaust volume of the variable-frequency heat dissipation fan is automatically adjusted, and the air exhaust volume is automatically adjusted according to the heat load in the transformer substation so as to discharge the heat load in the transformer substation to the external environment in time; in addition, in the process of heat exchange of the box type power transformation cabinet, the air deflector guides the inlet air to the bottom of the box type power transformation cabinet, the variable-frequency heat dissipation fan is used for sucking the inlet air at the bottom of the box type power transformation cabinet to the top of the box type power transformation cabinet under the guide of the air deflector to form the circulation direction from bottom to top for convective heat exchange and then discharging the heat to the external environment, the utility model can ensure that the inlet air forms the circulation convective heat exchange from bottom to top in the box type power transformation cabinet through the mutual matching of the variable-frequency heat dissipation fan, the air deflector and the air deflector, is not easy to form vortex, effectively prevents heat from accumulating in a transformer substation, and can discharge the heat load in the transformer substation out of the external environment in time, therefore, the utility model has the advantages of automatically adjusting the air exhaust amount according to the heat load in the transformer substation and timely exhausting the heat load in the transformer substation to the external environment.
Drawings
The utility model is further illustrated by the following figures and examples.
Fig. 1 is a schematic diagram of an automatic cooling box-type substation according to the present invention.
Description of reference numerals: 1. the device comprises a mounting seat, 2, a movable door, 3, a box-type transformer cabinet, 4, a shutter, 5, an air outlet, 6, a control device, 61, a protective box, 62, a frequency converter, 63, a controller, 64, a temperature sensor, 7, a frequency conversion heat dissipation fan, 8, a flow guide cover, 9, an air guide plate, 10, a rain cover, 11 and a dust screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the self-control cooling box-type substation comprises a mounting base 1, wherein a box-type substation cabinet 3 with a movable door 2 is arranged on the mounting base 1, shutters 4 are arranged on two sides of the box-type substation cabinet 3, and an air outlet 5 is arranged at the top of the box-type substation cabinet 1; a variable-frequency heat radiation fan 7 electrically connected with a control device 6 arranged on the inner wall of the box-type power transformation cabinet 3 is arranged at one end of the air outlet 5 positioned outside the box-type power transformation cabinet 3, and a flow guide cover 8 is arranged at one end of the air outlet 5 positioned inside the box-type power transformation cabinet 3; and an air deflector 9 is arranged at one end of each louver 4, which is positioned inside the box-type power transformation cabinet 3.
The control device 6 comprises a protection box 61 installed on the inner wall of the box-type power transformation cabinet 3, a frequency converter 62 electrically connected with the frequency conversion heat dissipation fan 7 is arranged in the protection box 61, a controller 63 electrically connected with the frequency converter 62 is further arranged in the protection box 61, and the control device further comprises a temperature sensor 64 which is arranged on the inner wall of the box-type power transformation cabinet 3 and electrically connected with the controller 63.
And a rainproof cover 10 with an insect-proof net is arranged at the output end of the variable-frequency heat dissipation fan 7.
The frequency converter 62 is an FL-J2 frequency converter; the controller 63 is a SIMATIC-S7-400 PLC controller; the temperature sensor 64 is a TZ-A7 temperature sensor; the frequency conversion heat radiation fan 7 is a CFG-90A frequency conversion fan.
And a dustproof net 11 is detachably arranged at one end of each shutter 4 far away from the box-type power transformation cabinet 3.
When the automatic cooling box-type substation is used specifically, firstly, the automatic cooling box-type substation is installed in a designated place through the installation seat 1, then the movable door 2 is opened, and corresponding power transmission and transformation components are installed in the box-type substation cabinet 3; secondly, the controller 63, the frequency converter 62 and the variable-frequency heat dissipation fan 7 of the control device 6 are started to work, the interior of the box-type power transformation cabinet 3 is pumped into negative pressure through the work of the variable-frequency heat dissipation fan 7, and the air in the external environment is subjected to dust filtration treatment through the dust screen 11 by utilizing the internal and external pressure difference of the box-type power transformation cabinet 3 and then is conveyed to the bottom of the box-type power transformation cabinet 1 through the shutter 4 and the air deflector 9; then, the air at the bottom of the box-type transformer cabinet 1 is guided by the guide hood 8 by the variable-frequency heat dissipation fan 7 to be guided from bottom to top to the top of the box-type transformer cabinet 1 so as to realize the convection heat exchange cooling operation from bottom to top, and then the air after heat exchange is discharged to the external environment through the guide hood 8 and the air outlet 5 in sequence by the variable-frequency heat dissipation fan 7; finally, in the process of heat exchange and cooling of the box-type substation 1, temperature information in the box-type substation 1 is collected in real time through the temperature sensor 64 and transmitted to the controller 63, the controller 63 is used for adjusting the rotating speed of the variable-frequency cooling fan 7 in real time through the frequency converter 62 according to the collected temperature information, so that the exhaust air volume of the variable-frequency cooling fan 7 is adjusted automatically, the self-control cooling box-type substation can adjust the exhaust air volume automatically according to the heat load in the box-type substation 1, and the heat load in the box-type substation 1 is discharged to the external environment in time; in addition, still through being equipped with rain-proof cover 10 at frequency conversion cooling fan 7's output, can effectively prevent during the use that the rainwater from getting into box transformer cabinet 1 from frequency conversion cooling fan 7's output and causing the damage of power transmission and transformation components and parts when rainy day.
In a word, the utility model adopts the structure, and has the advantages that the air exhaust amount can be automatically adjusted according to the heat load in the transformer substation, and the heat load in the transformer substation can be timely exhausted to the external environment.
It will be apparent to those skilled in the art that various other changes and modifications may be made in the above-described embodiments and concepts and all such changes and modifications are intended to be within the scope of the appended claims.
Claims (5)
1. A self-control cooling box-type substation comprises a mounting seat (1), wherein a box-type transformer cabinet (3) with a movable door (2) is arranged on the mounting seat (1), shutters (4) are arranged on two sides of the box-type transformer cabinet (3), and an air outlet (5) is formed in the top of the box-type transformer cabinet (3); the method is characterized in that: a variable-frequency heat dissipation fan (7) electrically connected with a control device (6) installed on the inner wall of the box-type power transformation cabinet (3) is arranged at one end, located outside the box-type power transformation cabinet (3), of the air outlet (5), and a flow guide cover (8) is arranged at one end, located inside the box-type power transformation cabinet (3), of the air outlet (5); and an air deflector (9) is arranged at one end of each shutter (4) positioned inside the box-type power transformation cabinet (3).
2. The self-controlled cooling box-type substation of claim 1, characterized in that: the control device (6) comprises a protection box (61) installed on the inner wall of the box-type power transformation cabinet (3), a frequency converter (62) electrically connected with the frequency conversion heat dissipation fan (7) is arranged in the protection box (61), a controller (63) electrically connected with the frequency converter (62) is further arranged in the protection box (61), and the control device further comprises a temperature sensor (64) arranged on the inner wall of the box-type power transformation cabinet (3) and electrically connected with the controller (63).
3. The self-controlled cooling box-type substation of claim 2, characterized in that: the output end of the variable-frequency heat dissipation fan (7) is provided with a rain cover (10) with an insect-proof net.
4. The self-controlled cooling box-type substation of claim 2, characterized in that: the frequency converter (62) is an FL-J2 frequency converter; the controller (63) is a SIMATIC-S7-400 PLC controller; the temperature sensor (64) is a TZ-A7 temperature sensor; the variable-frequency heat dissipation fan (7) is a CFG-90A variable-frequency fan.
5. An automatically controlled cooling box substation according to any one of claims 1 to 4, characterized in that: and a dustproof net (11) is detachably arranged at one end of each shutter (4) far away from the box-type power transformation cabinet (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123281794.8U CN216774080U (en) | 2021-12-24 | 2021-12-24 | Self-control cooling box-type substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123281794.8U CN216774080U (en) | 2021-12-24 | 2021-12-24 | Self-control cooling box-type substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216774080U true CN216774080U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123281794.8U Active CN216774080U (en) | 2021-12-24 | 2021-12-24 | Self-control cooling box-type substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216774080U (en) |
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2021
- 2021-12-24 CN CN202123281794.8U patent/CN216774080U/en active Active
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