CN218850206U - Electric control cabinet - Google Patents
Electric control cabinet Download PDFInfo
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- CN218850206U CN218850206U CN202221836857.3U CN202221836857U CN218850206U CN 218850206 U CN218850206 U CN 218850206U CN 202221836857 U CN202221836857 U CN 202221836857U CN 218850206 U CN218850206 U CN 218850206U
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- heat dissipation
- cabinet body
- cabinet
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- electric control
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 100
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims description 86
- 238000001514 detection method Methods 0.000 claims description 29
- 239000003507 refrigerant Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 238000009423 ventilation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an electric control cabinet, which comprises a cabinet body; the heat dissipation device is arranged on the cabinet body and can dissipate heat inside the cabinet body; the heating device is arranged on the cabinet body, and the heating device can heat the inside of the cabinet body. The utility model discloses an automatically controlled cabinet not only can accomplish the high-efficient heat dissipation of automatically controlled cabinet, and heating device has been increased, use the slow mode of intensification to keep the inside constant temperature of electric cabinet, the lectotype scope of components and parts has been widened, electrical safety has been improved, the life of components and parts has been prolonged, through a plurality of air inlets and a plurality of first fan, can carry out the heat dissipation of not equidimension to the components and parts of different positions, the realization is to the high-efficient heat dissipation of the components and parts in the automatically controlled cabinet, thereby guarantee the life of components and parts and the application scope of automatically controlled cabinet to ambient temperature.
Description
Technical Field
The utility model relates to an electrical equipment technical field, more specifically the saying so, it relates to an automatically controlled cabinet.
Background
An electric control cabinet is a closed or semi-closed metal cabinet for protecting electrical equipment, and is provided with a plurality of functions such as a detection device, a switch control device, auxiliary equipment and the like. An electric control cabinet is generally equipped with a large number of electric devices such as a main circuit board, a relay board, an instrument panel, a power supply line and the like. The electrical equipment not only meets the basic specifications of the electrical equipment and meets the requirements of normal operation of a power system, but also is convenient to use and maintain daily and has certain electrical safety and stability. Under the technical prospect of miniaturization and higher integration of the existing components, the density of the components in the electric control cabinet is also gradually increased. The heat productivity of the power device in the closed space is not negligible, and when the heat dissipated by the components is accumulated in the electric control cabinet all the time, the temperature in the electric control cabinet is overhigh. Once the temperature exceeds the normal working temperature range of the components, the short circuit and the burning of the components are easily caused, and even the safety accident is caused by fire. Therefore, the design of the electric control cabinet in the prior art considers the influence of heating of the components on the service life, does not consider the high temperature requirement of the low-temperature environment on electric components of the electric control cabinet, especially does not consider the possibility that the reliability of the components is reduced under the low-temperature annular condition, the service life of the components cannot be guaranteed, and finally solves the problem that the electric control cabinet has a small applicable environment temperature range.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an automatically controlled cabinet has solved the less problem of the ambient temperature scope that automatically controlled cabinet is suitable for among the prior art.
The utility model discloses an automatically controlled cabinet, include:
a cabinet body;
the heat dissipation device is arranged on the cabinet body and can dissipate heat inside the cabinet body;
the heating device is arranged on the cabinet body and can heat the inside of the cabinet body.
The cabinet body is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the heat dissipation device, and the gas in the cabinet body sequentially passes through the air outlet, the heat dissipation device and the air inlet and then flows back to the interior of the cabinet body.
The heat dissipation device comprises a heat dissipation shell and a heat dissipation mechanism, the heat dissipation shell is arranged on the cabinet body, an airflow channel is formed in the heat dissipation shell, one end of the airflow channel is communicated with the air inlet, the other end of the airflow channel is communicated with the air outlet, and the heat dissipation mechanism is arranged in the airflow channel.
The electric control cabinet further comprises a condenser, a compressor and a throttling mechanism, wherein the condenser and the compressor are arranged on the cabinet body, and the heat dissipation mechanism, the throttling mechanism, the condenser and the compressor are sequentially communicated to form refrigerant heat exchange circulation.
The heat dissipation device comprises a main heat dissipation mechanism and an auxiliary heat dissipation mechanism which are mutually communicated, the main heat dissipation mechanism is communicated with the gas outlet, the auxiliary heat dissipation mechanism is communicated with the gas inlet, and gas in the cabinet body sequentially passes through the gas outlet, the main heat dissipation mechanism, the auxiliary heat dissipation mechanism and the gas inlet and flows back to the inside of the cabinet body.
The quantity of air inlet is a plurality of, and all the air inlet is followed the direction of height of the cabinet body distributes in proper order, supplementary heat dissipation mechanism with all the air inlet intercommunication.
The electric control cabinet further comprises first fans, the first fans correspond to the air inlets one by one, and the air outlet direction of the first fans faces towards the inside of the cabinet body.
The electric control cabinet further comprises a control device and a temperature detection mechanism, the temperature detection mechanism is arranged in the cabinet body, the temperature detection mechanism corresponds to the first fans one by one, and the control device is electrically connected with all the temperature detection mechanisms and all the first fans.
The electric control cabinet further comprises a control device and a temperature detection mechanism, the temperature detection mechanism is arranged in the cabinet body, and the control device is electrically connected with the temperature detection mechanism and the heating device.
And a second fan is arranged at the air outlet.
The utility model discloses an automatically controlled cabinet not only can accomplish the high-efficient heat dissipation of automatically controlled cabinet, and heating device has been increased, use the slow mode of intensification to keep the inside constant temperature of electric cabinet, the lectotype scope of components and parts has been widened, electrical safety has been improved, the life of components and parts has been prolonged, through a plurality of air inlets and a plurality of first fan, can carry out the heat dissipation of not equidimension to the components and parts of different positions, the realization is to the high-efficient heat dissipation of the components and parts in the automatically controlled cabinet, thereby guarantee the life of components and parts and the application scope of automatically controlled cabinet to ambient temperature.
Drawings
Fig. 1 is a schematic structural diagram of an electric control cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cabinet body according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a heat dissipation device according to an embodiment of the present invention;
fig. 4 is another schematic structural diagram of the heat dissipation device according to the embodiment of the present invention;
legend: 1. a cabinet body; 2. a heat sink; 3. a heating device; 21. a heat dissipating housing; 22. a heat dissipation mechanism; 5. a compressor; 23. a main heat dissipation mechanism; 24. an auxiliary heat dissipation mechanism; 6. a first fan; 7. a temperature detection mechanism; 8. a second fan.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
As shown in fig. 1 to 4, the utility model discloses an electric control cabinet, include: a cabinet body 1; the heat dissipation device 2 is arranged on the cabinet body 1, and the heat dissipation device 2 can dissipate heat inside the cabinet body 1; the heating device 3 is arranged on the cabinet body 1, and the heating device 3 can heat the inside of the cabinet body 1. Through setting up heat abstractor 2 and heating device 3, not only can accomplish the high-efficient heat dissipation of automatically controlled cabinet, increased heating device 3 moreover, use the slow intensification mode to keep the inside constant temperature of electric cabinet, widened the lectotype scope of components and parts, improved electrical safety, prolonged the life of components and parts. When the ambient temperature that automatically controlled cabinet was used needs dispel the heat to the components and parts in the cabinet body 1, heat abstractor 2 dispels the heat to the cabinet body 1, guarantees the normal work and the life of components and parts, and when the ambient temperature that automatically controlled cabinet was applied to was crossed lowly and can't satisfy the normal during operation of components and parts, heating device 3 heats cabinet body 1 to the demand of components and parts is satisfied to the temperature of the internal 1 of cabinet, guarantees the normal work and the life of components and parts.
Preferably, the heat dissipation device 2 is arranged on the top and/or the side surface of the cabinet body 1, and the air cooled by the heat dissipation device 2 can be filled in the whole cabinet body 1 by utilizing the downward flowing principle of the air conditioner, so that the purpose of heat dissipation in the whole cabinet body 1 is achieved.
And heating device 3 sets up in the bottom of the cabinet body 1, utilizes the principle that steam rises for the gas temperature of the bottom of the cabinet body 1 increases gradually, and the steam of the cabinet body 1 bottom flows to the top of the cabinet body 1, finally makes the temperature of the inside of the whole cabinet body 1 satisfy the normal work of components and parts.
The cabinet body 1 is provided with an air inlet and an air outlet, the air inlet and the air outlet are communicated with the heat dissipation device 2, and the air in the cabinet body 1 sequentially passes through the air outlet, the heat dissipation device 2 and the air inlet and then flows back to the inside of the cabinet body 1. Utilize the gaseous flow between the cabinet body 1 and heat abstractor 2 and form gaseous heat dissipation circulation and realize the heat dissipation that lasts to the cabinet body 1 inside, guarantee the radiating effect of the cabinet body 1 inside.
Specifically, the heat dissipation device 2 includes a heat dissipation housing 21 and a heat dissipation mechanism 22, the heat dissipation housing 21 is disposed on the cabinet 1, an airflow channel is formed in the heat dissipation housing 21, one end of the airflow channel is communicated with the air inlet, the other end of the airflow channel is communicated with the air outlet, and the heat dissipation mechanism 22 is disposed in the airflow channel. The air current in the cabinet body 1 enters the air flow channel through the air outlet, and is cooled by heat exchange with the heat dissipation mechanism 22 in the air flow channel, and then flows back to the cabinet body 1 through the air inlet, so that the inside of the cabinet body 1 is cooled, and the purpose of heat dissipation of the cabinet body 1 is achieved.
Optionally, the heat dissipation mechanism 22 is an evaporator, the electric control cabinet further includes a condenser, a compressor 5 and a throttling mechanism, the condenser and the compressor 5 are both disposed on the cabinet body 1, and the heat dissipation mechanism 22, the throttling mechanism, the condenser and the compressor 5 are sequentially communicated to form a refrigerant heat exchange cycle. Namely, the refrigerant is used for cooling and dissipating the gas passing through the heat dissipation mechanism 22, thereby improving the heat dissipation efficiency of the cabinet body 1. Wherein, the throttling mechanism is a capillary tube.
The heat dissipation device 2 comprises a main heat dissipation mechanism 23 and an auxiliary heat dissipation mechanism 24 which are mutually communicated, the main heat dissipation mechanism 23 is communicated with the gas outlet, the auxiliary heat dissipation mechanism 24 is communicated with the gas inlet, and gas in the cabinet body 1 sequentially passes through the gas outlet, the main heat dissipation mechanism 23, the auxiliary heat dissipation mechanism 24 and the gas inlet and flows back to the cabinet body 1.
Specifically, the gas outlet sets up on the top surface of the cabinet body 1, and the air inlet sets up on the side of the cabinet body 1, and main heat dissipation mechanism 23 sets up in the top of the cabinet body 1 and communicates with the gas outlet, and supplementary heat dissipation mechanism 24 sets up on the side of the cabinet body 1 and communicates with the air inlet, and the gas of the internal portion of cabinet flows out by the gas outlet at top to in proper order through the air inlet backward flow to the internal portion of cabinet and accomplish the heat dissipation after main heat dissipation mechanism 23 and supplementary heat dissipation mechanism 24. Due to the principle that the hot air rises and the cold air falls, the high-temperature air can be accumulated at the upper half part of the cabinet body 1, and the air outlet can lead out the air at the upper half part of the cabinet body 1, so that the heat dissipation effect on the cabinet body 1 is further improved. When the air inlet is arranged on the side surface of the cabinet body 1, the air flow flowing in from the air inlet can be prevented from directly flowing out from the air outlet to influence the heat dissipation effect of the cabinet body 1.
The quantity of air inlet is a plurality of, and all the air inlet is followed cabinet body 1's direction of height distributes in proper order, supplementary heat dissipation mechanism 24 with all the air inlet intercommunication. Through setting up a plurality of air inlets, can carry out evenly distributed with the air conditioning that gets into the cabinet body 1 through the air inlet to the increase is to the radiating effect of the cabinet body 1 inside.
The electric control cabinet further comprises first fans 6, the first fans 6 correspond to the air inlets one by one, and the air outlet direction of the first fans 6 faces towards the inside of the cabinet body 1. Utilize first fan 6 to blow in the inside to the cabinet body 1 with the gas after the heat transfer, guarantee the radiating effect of the cabinet body 1.
The electric control cabinet further comprises a control device and a temperature detection mechanism 7, the temperature detection mechanism 7 is arranged in the cabinet body 1, the temperature detection mechanism 7 corresponds to the first fans 6 one by one, and the control device is electrically connected with all the temperature detection mechanisms 7 and all the first fans 6. Wherein temperature-detecting mechanism 7 sets up in the air-out direction of the first fan 6 that corresponds, and temperature-detecting mechanism 7 can detect the actual temperature of its position, and transmit actual temperature to controlling means in, controlling means compares actual temperature with preset temperature, if the difference of actual temperature and preset temperature does not exceed and sets for the difference, it satisfies the requirement of components and parts to show the temperature this moment, controlling means control first fan 6 keep its operating condition and rotational speed can, and when the difference of actual temperature and preset temperature has exceeded and sets for the difference, it can't satisfy the requirement of components and parts in this position to show the temperature this moment, controlling means control first fan 6's rotational speed is adjusted, thereby increase the heat dissipation to the regional in this temperature-detecting mechanism 7 or reduce the heat dissipation to the regional in this temperature-detecting mechanism 7. Wherein the difference is set in the range of 1 ℃ to 5 ℃, preferably 3 ℃.
When the actual temperature is higher than the preset temperature, the rotation speed of the first fan 6 is increased, and the heat dissipation to the area where the temperature detection mechanism 7 is located is increased. When the actual temperature is lower than the preset temperature, the rotation speed of the first fan 6 is reduced, and the heat dissipation to the area where the temperature detection mechanism 7 is located is reduced.
The control device can acquire the actual temperature acquired by all the temperature detection mechanisms 7, and respectively controls each first fan 6 according to the comparison result of the actual temperature and the preset temperature, so that the accurate heat dissipation of the components inside the cabinet body 1 is improved. For example, when a component generates heat seriously, the actual temperature value detected by the temperature detection mechanism 7 in the area where the component is located is high, and the corresponding first fan 6 increases the rotation speed to increase the heat dissipation of the component.
Specially, be formed with the sprue in the supplementary heat dissipation mechanism 24 and with the air pipe of air inlet one-to-one utilizes the air current behind the heat transfer of main heat dissipation mechanism 23 to get into the sprue after, every ventilation duct can be based on the rotational speed of its first fan 6 that corresponds and acquire gas in by the sprue to avoid the air inlet to influence the radiating effect to the cabinet body 1 to main heat dissipation mechanism 23's distance. The design of the ventilation pipeline is set according to the requirement of the air volume and the air flow rate.
The temperature detection mechanism 7 detects once every time a set time period passes, and the control device correspondingly adjusts the first fan 6 according to the actual temperature obtained every time. The shorter the selection of the set time period is, the better the effect is theoretically, and the setting needs to be performed in consideration of the influence of relevant factors such as the sensitivity of the temperature sensor.
The heat exchange mechanism comprises a heat exchange coil, and the cross section of the heat exchange coil is in a spiral line shape so as to increase the contact area with gas and further improve the heat dissipation effect.
Because main heat dissipation mechanism 23 sets up at the top of the cabinet body 1, and supplementary heat dissipation mechanism 24 sets up on the side of the cabinet body 1, and gas need turn to at the flow in-process, consequently, is provided with ventilation pipe in heat dissipation casing 21 is inside, utilizes ventilation pipe's radian to lead the air current, avoids the air current to produce the windage and influence the radiating effect in heat dissipation casing 21 is inside. Particularly, the heat sink in the main heat sink 23 is located at one side of the housing, and the air flow needs to be guided to the heat sink by the ventilation pipeline for heat exchange.
Wherein, the ventilation pipeline and the ventilation pipeline are both made of heat insulating materials with good tightness, and the heat overflow is reduced.
Optionally, the electric control cabinet further comprises a touch display screen, and a user can adjust the set temperature inside the cabinet body 1 through the touch display screen.
The electric control cabinet further comprises a control device and a temperature detection mechanism 7, the temperature detection mechanism 7 is arranged in the cabinet body 1, and the control device is electrically connected with the temperature detection mechanism 7 and the heating device 3. Temperature-detecting mechanism 7 can detect the actual temperature of its position, and transmit actual temperature to controlling means in, controlling means compares actual temperature and preset temperature, if actual temperature does not exceed with the difference of presetting the temperature and sets for the difference, then indicate that the temperature at this moment satisfies the requirement of components and parts, heating device 3 need not to heat the inside of the cabinet body 1, and the difference when actual temperature and preset temperature has exceeded and has set for the difference, then indicate that the temperature at this moment can't satisfy the requirement of this position components and parts, controlling means control heating device 3 heats the inside of the cabinet body 1, thereby guarantee that the inside temperature of the cabinet body 1 satisfies the demand of components and parts.
If the difference between the actual temperature and the preset temperature does not exceed the set difference, the heating power of the heating device 3 is kept unchanged, and if the difference between the actual temperature and the preset temperature exceeds the set difference, the heating power is increased to increase the heating rate or decreased to decrease the heating rate.
The temperature detection mechanism 7 detects every time when a set time period passes, and the control device correspondingly adjusts the heating device 3 according to the actual temperature obtained every time. The shorter the selection of the set time period is, the better the effect is theoretically, and the setting needs to be performed in consideration of the influence of relevant factors such as the sensitivity of the temperature sensor.
A second fan 8 is arranged at the air outlet. The second fan 8 can suck the air inside the cabinet 1 into the heat sink 2 to dissipate the heat.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (10)
1. An electric control cabinet is characterized in that: the method comprises the following steps:
a cabinet body (1);
the heat dissipation device (2) is arranged on the cabinet body (1), and the heat dissipation device (2) can dissipate heat inside the cabinet body (1);
the heating device (3) is arranged on the cabinet body (1), and the heating device (3) can heat the inside of the cabinet body (1).
2. The electric control cabinet according to claim 1, wherein the cabinet body (1) is provided with an air inlet and an air outlet, the air inlet and the air outlet are both communicated with the heat dissipation device (2), and air in the cabinet body (1) flows back into the cabinet body (1) after passing through the air outlet, the heat dissipation device (2) and the air inlet in sequence.
3. The electric control cabinet according to claim 2, wherein the heat dissipation device (2) comprises a heat dissipation housing (21) and a heat dissipation mechanism (22), the heat dissipation housing (21) is disposed on the cabinet body (1), an air flow channel is formed in the heat dissipation housing (21), one end of the air flow channel is communicated with the air inlet, the other end of the air flow channel is communicated with the air outlet, and the heat dissipation mechanism (22) is disposed in the air flow channel.
4. The electric control cabinet according to claim 3, further comprising a condenser (4), a compressor (5) and a throttling mechanism, wherein the condenser (4) and the compressor (5) are both disposed on the cabinet body (1), and the heat dissipation mechanism (22), the throttling mechanism, the condenser (4) and the compressor (5) are sequentially communicated to form a refrigerant heat exchange cycle.
5. The electric control cabinet according to claim 2, wherein the heat dissipation device (2) comprises a main heat dissipation mechanism (23) and an auxiliary heat dissipation mechanism (24) which are communicated with each other, the main heat dissipation mechanism (23) is communicated with the air outlet, the auxiliary heat dissipation mechanism (24) is communicated with the air inlet, and the air in the cabinet body (1) flows back into the cabinet body (1) through the air outlet, the main heat dissipation mechanism (23), the auxiliary heat dissipation mechanism (24) and the air inlet in sequence.
6. The electric control cabinet according to claim 5, wherein the number of the air inlets is multiple, all the air inlets are distributed in sequence along the height direction of the cabinet body (1), and the auxiliary heat dissipation mechanism (24) is communicated with all the air inlets.
7. The electric control cabinet according to claim 6, further comprising a first fan (6), wherein the first fan (6) corresponds to the air inlet one by one, and an air outlet direction of the first fan (6) faces to the inside of the cabinet body (1).
8. The electric control cabinet according to claim 7, further comprising a control device and a temperature detection mechanism (7), wherein the temperature detection mechanism (7) is disposed in the cabinet body (1), the temperature detection mechanism (7) corresponds to the first fans (6) one by one, and the control device is electrically connected to all the temperature detection mechanisms (7) and all the first fans (6).
9. The electric control cabinet according to claim 1, further comprising a control device and a temperature detection mechanism (7), wherein the temperature detection mechanism (7) is arranged in the cabinet body (1), and the control device is electrically connected with the temperature detection mechanism (7) and the heating device (3).
10. The electrical control cabinet according to claim 2, wherein a second fan (8) is provided at the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836857.3U CN218850206U (en) | 2022-07-15 | 2022-07-15 | Electric control cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836857.3U CN218850206U (en) | 2022-07-15 | 2022-07-15 | Electric control cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218850206U true CN218850206U (en) | 2023-04-11 |
Family
ID=87298074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221836857.3U Active CN218850206U (en) | 2022-07-15 | 2022-07-15 | Electric control cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218850206U (en) |
-
2022
- 2022-07-15 CN CN202221836857.3U patent/CN218850206U/en active Active
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