CN112739161B - Control cabinet and heat dissipation control method thereof - Google Patents
Control cabinet and heat dissipation control method thereof Download PDFInfo
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- CN112739161B CN112739161B CN202011526362.6A CN202011526362A CN112739161B CN 112739161 B CN112739161 B CN 112739161B CN 202011526362 A CN202011526362 A CN 202011526362A CN 112739161 B CN112739161 B CN 112739161B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000004146 energy storage Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a control cabinet and a heat dissipation control method thereof, relates to the technical field of control cabinets, and solves the technical problem that the heat dissipation effect of the control cabinet is poor in the prior art. The control cabinet comprises a cabinet body (11) and a heat radiation assembly, wherein the heat radiation assembly is arranged on the cabinet body (11), the heat radiation assembly comprises a photovoltaic air conditioner assembly and a fan assembly, and the photovoltaic air conditioner assembly and the fan assembly can be started or stopped at least based on different temperatures inside the cabinet body (11) so as to realize different heat radiation modes of the cabinet body (11) at different temperatures. According to the control cabinet, different heat dissipation modes are adopted when the temperatures inside different cabinets are different through the photovoltaic air conditioner component and the fan component, so that the problem that the heat dissipation of the control cabinet is poor when the outdoor temperature is too high is effectively solved. On the other hand, the invention fully utilizes solar energy to supply power to the electrical equipment in the control cabinet so as to achieve the purpose of reducing the electric energy loss.
Description
Technical Field
The invention relates to the technical field of control cabinets, in particular to a control cabinet and a heat dissipation control method thereof.
Background
At present, more and more control cabinets need to be placed outdoors, and the outdoor control cabinets need to ensure the IP level while radiating heat. The existing outdoor control cabinet cooling mode mostly adopts a cooling fan with a filter screen arranged on a cabinet door plate, and a sealing ring is arranged at the bottom of the cabinet door plate to prevent part of heat from flowing back. However, when the outdoor temperature of the existing outdoor control cabinet is high in the daytime, the heat dissipation function of the heat dissipation fan cannot reach an ideal heat dissipation state, so that poor heat dissipation of the outdoor control cabinet is caused.
Disclosure of Invention
The invention aims to provide a control cabinet and a heat dissipation control method thereof, which are used for solving the technical problem of poor heat dissipation effect of the control cabinet in the prior art. The preferred technical solutions of the technical solutions provided by the present invention can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the control cabinet comprises a cabinet body and a heat dissipation assembly, wherein the heat dissipation assembly is arranged on the cabinet body, the heat dissipation assembly comprises a photovoltaic air conditioner assembly and a fan assembly, and the photovoltaic air conditioner assembly and the fan assembly can be started or stopped at least based on different temperatures in the cabinet body so as to realize different heat dissipation modes of the cabinet body at different temperatures.
According to a preferred embodiment, the photovoltaic air conditioner assembly comprises a photovoltaic panel assembly and a photovoltaic air conditioner, wherein the photovoltaic panel assembly is arranged at the top of the cabinet body, and the photovoltaic air conditioner is arranged on the back panel of the cabinet body.
According to a preferred embodiment, the photovoltaic panel assembly is fixed at the top of the cabinet body in a structure that is respectively arranged obliquely downwards at the front side and the rear side.
According to a preferred embodiment, the photovoltaic air conditioner assembly further comprises an energy storage battery and an inverter, wherein the energy storage battery is connected with the photovoltaic panel assembly and is used for storing electric energy converted by the photovoltaic panel assembly; the energy storage battery is respectively connected with the photovoltaic air conditioner and the fan assembly; the photovoltaic panel assembly is connected with the photovoltaic air conditioner and the fan assembly through the inverter respectively.
According to a preferred embodiment, the photovoltaic air conditioner is embedded in the back panel of the cabinet and the evaporator end of the photovoltaic air conditioner is located inside the cabinet and the condenser end of the photovoltaic air conditioner is located outside the cabinet.
According to a preferred embodiment, the fan assembly comprises an air inlet fan located on the front panel of the cabinet body and an air outlet fan located on the back panel of the cabinet body, wherein the air inlet fan and the air outlet fan comprise an electric louver and a cooling fan, and the electric louver is arranged on the outer side of the cooling fan.
According to a preferred embodiment, the air inlet fan and the air outlet fan are both arranged inside the cabinet body.
According to a preferred embodiment, the fan assembly further comprises a filter located outside the air intake (and the air outlet) fan, the filter being located outside the cabinet.
According to a preferred embodiment, the temperature detecting device is used for detecting the temperature inside the cabinet body; the timing device is used for detecting the duration time after the temperature in the cabinet body reaches the preset temperature.
According to a preferred embodiment, the device further comprises a controller for receiving the temperature signal and the time signal and controlling the start or stop of the photovoltaic air conditioner, the electric shutter, the air intake fan or the air outlet fan based on the temperature signal and the time signal.
The invention also provides a control cabinet heat dissipation control method, which comprises the following steps:
Detecting the temperature inside the control cabinet;
When the fact that the temperature inside the control cabinet is higher than the first preset temperature and the duration reaches the first preset time is detected, a photovoltaic air conditioner in the photovoltaic air conditioner assembly is controlled to be started;
When the fact that the temperature inside the control cabinet is lower than the second preset temperature but higher than the third preset temperature and the duration reaches the second preset time is detected, the photovoltaic air conditioner is controlled to stop, and the electric shutter, the air inlet fan and the air outlet fan of the fan assembly are controlled to be started;
When the internal temperature of the control cabinet is detected to be lower than a third preset temperature but higher than a fourth preset temperature and the duration reaches the third preset time, the electric shutter of the fan assembly is controlled to be opened and the air inlet fan and the air outlet fan are controlled to be closed;
when the temperature inside the control cabinet is detected to be lower than the fourth preset temperature and the duration reaches the fourth preset time, the fan assembly and the photovoltaic air conditioner are controlled to be closed.
According to a preferred embodiment, the first preset temperature is greater than the second preset temperature, the second preset temperature is greater than the third preset temperature, the third preset temperature is greater than the fourth preset temperature, and the first preset time, the second preset time, the third preset time and the fourth preset time are the same or different.
Based on the technical scheme, the control cabinet and the heat dissipation control method thereof have at least the following technical effects:
The control cabinet is provided with the heat dissipation assembly comprising the photovoltaic air conditioner assembly and the fan assembly, and the photovoltaic air conditioner assembly and the fan assembly can be started or stopped at least based on different temperatures inside the cabinet body so as to realize different heat dissipation modes of the cabinet body at different temperatures. On the one hand, different heat dissipation modes are adopted when the temperatures in different cabinets are different through the photovoltaic air conditioner assembly and the fan assembly, so that the problem that the heat dissipation of the control cabinet is poor when the outdoor temperature is too high is effectively solved. On the other hand, the purpose of reducing the electric energy loss is achieved by fully utilizing solar energy to supply power to electric equipment in the control cabinet.
On the other hand, the control cabinet heat dissipation control method is characterized in that the temperature inside the control cabinet is detected, and based on comparison of the temperature inside the control cabinet and the duration time with different preset temperatures and preset times, different heat dissipation modes can be started when the temperature inside the control cabinet is different. When the temperature in the control cabinet is larger than the first preset temperature and the duration reaches the first preset time, starting a cooling and heat dissipation mode of the photovoltaic air conditioner; when the temperature in the control cabinet is lower than the second preset temperature but higher than the third preset temperature and the duration reaches the second preset time, a fan radiating mode is started; when the temperature in the control cabinet is lower than the third preset temperature but higher than the fourth preset temperature and the duration reaches the third preset time, only the electric shutter is opened to perform natural ventilation and heat dissipation; when the temperature in the control cabinet is lower than the fourth preset temperature and the duration reaches the fourth preset time, the fan assembly and the photovoltaic air conditioner are controlled to be closed for a heat preservation mode. Therefore, different heat dissipation modes inside the control cabinet are realized, the heat dissipation effect inside the control cabinet is improved, and meanwhile, the energy consumption is reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the front structure of a control cabinet of the present invention;
FIG. 2 is a schematic view of the back structure of the control cabinet of the present invention;
FIG. 3 is a schematic side view of the control cabinet of the present invention;
FIG. 4 is a schematic view of the structure of a fan assembly in a control cabinet of the present invention;
FIG. 5 is a side view of the blower assembly of FIG. 4;
FIG. 6 is a schematic diagram of the installation of a photovoltaic air conditioner in a control cabinet of the present invention;
FIG. 7 is a schematic view of the structure of the evaporator end of the photovoltaic air conditioner in the control cabinet of the present invention;
fig. 8 is a schematic structural view of a condenser end of a photovoltaic air conditioner in a control cabinet of the present invention.
In the figure: 10-a photovoltaic panel assembly; 11-a cabinet body; 12-an air inlet fan; 13-an air outlet fan; 14-a photovoltaic air conditioner; 15-an evaporator end; 16-condenser end; 111-a front panel; 112-a back plate; 121-a rotation shaft; 122-a filter; 123-an electric actuator; 124-a radiator fan; 125-electric blinds; 151-evaporator coil and filter screen assembly; 152-a first fan; 161-condenser coil and filter screen assembly; 162-a second fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, based on the examples herein, which are within the scope of the invention as defined by the claims, will be within the scope of the invention as defined by the claims.
In the description of the present invention, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.
The technical scheme of the invention is described in detail below with reference to the attached drawings.
Example 1
The invention provides a control cabinet, which comprises a cabinet body 11 and a heat dissipation assembly, wherein the heat dissipation assembly is arranged on the cabinet body 11, the heat dissipation assembly comprises a photovoltaic air conditioner assembly and a fan assembly, and the photovoltaic air conditioner assembly and the fan assembly can be started or stopped at least based on different temperatures inside the cabinet body 11 so as to realize different heat dissipation modes of the cabinet body 11 at different temperatures. Therefore, different heat dissipation modes are adopted when the temperatures in different cabinets are different through the photovoltaic air conditioner assembly and the fan assembly, and the problem that the heat dissipation of the control cabinet is poor when the outdoor temperature is too high is effectively solved. On the other hand, the purpose of reducing the electric energy loss is achieved by fully utilizing solar energy to supply power to electric equipment in the control cabinet.
Preferably, as shown in fig. 1 and 2, the photovoltaic air conditioner assembly includes a photovoltaic panel assembly 10 and a photovoltaic air conditioner 14, wherein the photovoltaic panel assembly 10 is disposed on top of the cabinet 11. The photovoltaic panel assembly 10 is used to collect solar energy and convert it into electrical energy. Preferably, as shown in fig. 3, the photovoltaic panel assembly 10 is fixed to the top of the cabinet 11 in a structure of being inclined downward toward the front and rear sides, respectively. The inclination angles of the two sides of the photovoltaic panel assembly 10 can enable the photovoltaic panel to receive more illumination, so that the generated energy of the photovoltaic panel is more. Preferably, the photovoltaic air conditioner 14 is disposed on the back panel 112 of the cabinet 11.
Preferably, the photovoltaic air conditioner assembly further comprises an energy storage battery and an inverter, wherein the energy storage battery is connected with the photovoltaic panel assembly 10 and is used for storing the electric energy converted by the photovoltaic panel assembly 10. Preferably, the energy storage battery is connected to the photovoltaic air conditioner 14 and the fan assembly, respectively. The energy storage battery is used for supplying power to the photovoltaic air conditioner and the fan assembly. The photovoltaic panel assembly 10 is connected to the photovoltaic air conditioner 14 and the fan assembly by an inverter for converting the electrical energy converted by the photovoltaic panel assembly from direct current to alternating current for use by the photovoltaic air conditioner and the fan assembly.
Preferably, as shown in fig. 2 and 6, the photovoltaic air conditioner 14 is disposed embedded in the back panel 112 of the cabinet 11 with the evaporator end 15 of the photovoltaic air conditioner 14 positioned inside the cabinet 11 and the condenser end 16 of the photovoltaic air conditioner 14 positioned outside the cabinet 11. As shown in fig. 7 and 8, fig. 7 shows a schematic structural diagram of an evaporator end of a photovoltaic air conditioner in a control cabinet according to the present invention; the photovoltaic air conditioner evaporator end comprises an evaporator coil, a filter screen assembly 151 and a first fan 152, wherein the first fan 152 can blow air to the inside to form positive pressure, the air is sent out from the evaporator coil, heat generated by a compressor is taken away, and cold air blowing into the cabinet body is realized. As shown in fig. 8, fig. 8 shows a schematic structural diagram of a condenser end of a photovoltaic air conditioner in a control cabinet of the present invention. The condenser end of the photovoltaic air conditioner comprises a condenser coil, a filter screen assembly 161 and a second fan 162, wherein the second fan 162 blows air to the outside to form positive pressure, and the air is sent out from the condenser coil to take away heat generated by the compressor. When the photovoltaic air conditioner operates, air is blown into the cabinet body and the cabinet body at the same time, cold air is blown into the cabinet body, and hot air is blown out of the cabinet body.
Preferably, the fan assembly includes an air intake fan 12 located on a front panel 111 of the cabinet 11 and an air outlet fan 13 located on a rear panel 112 of the cabinet 11. Wherein, air inlet fan is used for to the internal portion of cabinet bloies, and air outlet fan is used for to the external blowing of cabinet. Preferably, as shown in fig. 5, the air intake fan 12 and the air outlet fan 13 each include an electric louver 125 and a heat radiation fan 124, and the electric louver 125 is disposed outside the heat radiation fan 124. Preferably, the electric blind 125 includes a blind body, a rotation shaft 121, an electric actuator 123, and a damper, wherein the rotation shaft 121 is connected with the blind body for driving the blind body to be opened or closed. The electric actuator 123 is connected to the rotation shaft 121, and is used for controlling the rotation shaft 121 to rotate so as to drive the shutter body to open or close. Preferably, the damper is connected to the controller for receiving and transmitting an open or close signal to control the operation of the electric actuator 123.
Preferably, the air inlet fan 12 and the air outlet fan 13 are both arranged in the cabinet body 11 so as to blow air to the interior of the cabinet body through the air inlet fan, and blow air to the exterior of the cabinet body through the air outlet fan, so that the purpose of heat dissipation and temperature reduction is achieved by circulating air flow in the control cabinet. Preferably, the fan assembly further comprises a filter 122 located outside the air inlet fan 12 and the air outlet fan 13, and the filter 122 is disposed outside the cabinet 11. The filter is used for filtering impurities or large particles in the air and preventing the impurities or the large particles from entering the control cabinet.
Preferably, the control cabinet of the present invention further comprises a temperature detecting device for detecting the temperature inside the cabinet 11. Preferably, the control cabinet of the present invention further comprises a timing device for detecting the duration of time after the temperature inside the cabinet 11 reaches the preset temperature. So that after the temperature inside the control cabinet reaches different preset temperatures and reaches preset duration, the photovoltaic air conditioner is controlled to be started for heat dissipation or the fan assembly is controlled to be started for heat dissipation.
Preferably, the control cabinet of the present invention further includes a controller for receiving the temperature signal and the time signal and controlling the start or stop of the photovoltaic air conditioner 14, the electric louver 125, the air intake fan 12 or the air output fan 13 based on the temperature signal and the time signal. Preferably, the controller is connected to the photovoltaic air conditioner 14, the air valve, the air intake fan, and the air outlet fan of the electric shutter 125, respectively. Preferably, the control cabinet of the present invention further comprises a photovoltaic panel assembly voltage detection device for monitoring the voltage generated by the photovoltaic panel in real time to determine the illuminance of the current sunlight. The controller is connected with the photovoltaic panel assembly voltage detection device and the energy storage battery, and when the illumination reaches the preset illumination, the energy storage battery is controlled to store energy.
Example 2
Embodiment 2 provides a heat dissipation control method of the control cabinet of embodiment 1, including:
Detecting the temperature inside the control cabinet;
When the fact that the temperature inside the control cabinet is higher than the first preset temperature and the duration reaches the first preset time is detected, the photovoltaic air conditioner 14 in the photovoltaic air conditioner assembly is controlled to be started;
When the internal temperature of the control cabinet is detected to be lower than the second preset temperature but higher than the third preset temperature and the duration reaches the second preset time, the photovoltaic air conditioner 14 is controlled to stop, and the electric shutter 125, the air inlet fan 12 and the air outlet fan 13 of the fan assembly are controlled to be opened;
when the internal temperature of the control cabinet is detected to be lower than the third preset temperature but higher than the fourth preset temperature and the duration reaches the third preset time, the electric shutter 125 of the fan assembly is controlled to be opened and the air inlet fan 12 and the air outlet fan 13 are controlled to be closed;
when the temperature inside the control cabinet is detected to be lower than the fourth preset temperature and the duration reaches the fourth preset time, the fan assembly and the photovoltaic air conditioner are controlled to be closed.
The heat dissipation control method of the control cabinet comprises the following heat dissipation modes:
1. A cooling and radiating mode of the photovoltaic air conditioner;
When the temperature T in the control cabinet is greater than the first preset temperature and the duration reaches the first preset time, for example, when T is more than 36 ℃, the duration reaches 15min, the photovoltaic air conditioner is controlled to be started to cool the inside of the control cabinet, and under the mode, the electric shutter and the fan are controlled to be closed.
2. A fan ventilation and heat dissipation mode;
When the temperature T in the control cabinet is lower than the second preset temperature but higher than the third preset temperature and the duration reaches the second preset temperature, for example, the temperature T is more than 18 ℃ and less than or equal to 27 ℃ and the duration reaches 15min, the photovoltaic air conditioner is controlled to be closed, the electric shutter and the fan are opened, and the electric shutter, the air inlet fan and the air outlet fan are controlled to be opened for ventilation and heat dissipation.
3. A natural ventilation and heat dissipation mode;
when the temperature T in the control cabinet is lower than the third preset temperature but higher than the fourth preset temperature, for example, the temperature T is more than 10 ℃ and less than or equal to 18 ℃, and the duration reaches 15min, the electric shutter is kept open, and the air inlet fan and the air outlet fan are controlled to be closed at the same time, so that natural ventilation and heat dissipation are utilized.
4. A heat preservation mode;
When the temperature T in the control cabinet is lower than a fourth preset temperature, for example, T is less than or equal to 10 ℃, the duration reaches 30min, and the electric shutter, the fan and the photovoltaic air conditioner are controlled to be closed, so that the inside of the control cabinet is insulated.
The control cabinet can automatically select different heat dissipation modes based on different temperatures in the cabinet body, so that the heat dissipation efficiency of the control cabinet is improved, and meanwhile, the energy consumption is reduced. In addition, the photovoltaic air conditioner or the fan assembly is fully utilized by the photovoltaic panel assembly, when the photovoltaic air conditioner or the fan assembly is started in daytime, power is supplied by the electric energy converted by the photovoltaic panel assembly preferentially, redundant electric energy is stored by the energy storage battery, if illumination is insufficient, power distribution equipment in the control cabinet is selected for supplying power, when the photovoltaic air conditioner or the fan assembly is used in the night without illumination, electric energy stored by the energy storage battery is preferentially used, and when the stored electric energy is insufficient, the power distribution equipment in the cabinet is used for supplying power, so that solar energy is fully utilized, and energy consumption is greatly reduced.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The control cabinet is characterized by comprising a cabinet body (11) and a heat dissipation assembly, wherein the heat dissipation assembly is arranged on the cabinet body (11), the heat dissipation assembly comprises a photovoltaic air conditioner assembly and a fan assembly, and the photovoltaic air conditioner assembly and the fan assembly can be started or stopped at least based on different temperatures inside the cabinet body (11) so as to realize different heat dissipation modes of the cabinet body (11) at different temperatures;
The photovoltaic air conditioner assembly comprises a photovoltaic panel assembly (10) and a photovoltaic air conditioner (14), wherein the photovoltaic panel assembly (10) is arranged at the top of the cabinet body (11), and the photovoltaic air conditioner (14) is arranged on a back panel (112) of the cabinet body (11);
the photovoltaic panel assembly (10) is fixed at the top of the cabinet body (11) in a structure of being respectively arranged obliquely downwards at the front side and the rear side;
the temperature detection device is used for detecting the internal temperature of the cabinet body (11); the timing device is used for detecting the duration time after the internal temperature of the cabinet body (11) reaches the preset temperature;
The controller is used for receiving the temperature signal and the time signal and controlling the start or stop of the photovoltaic air conditioner (14), the electric shutter (125), the air inlet fan (12) or the air outlet fan (13) based on the temperature signal and the time signal;
The fan assembly comprises an air inlet fan (12) located on a front panel (111) of the cabinet body (11) and an air outlet fan (13) located on a back panel (112) of the cabinet body (11), wherein the air inlet fan (12) and the air outlet fan (13) comprise electric shutters (125) and cooling fans (124), and the electric shutters (125) are arranged on the outer sides of the cooling fans (124).
2. The control cabinet according to claim 1, characterized in that the photovoltaic air conditioning assembly further comprises an energy storage battery and an inverter, the energy storage battery being connected to the photovoltaic panel assembly (10) for storing the electrical energy converted by the photovoltaic panel assembly (10); the energy storage battery is respectively connected with the photovoltaic air conditioner (14) and the fan assembly; the photovoltaic panel assembly (10) is connected with a photovoltaic air conditioner (14) and a fan assembly through the inverter respectively.
3. The control cabinet according to claim 1, characterized in that the photovoltaic air conditioner (14) is embedded in the back panel (112) of the cabinet (11) and the evaporator end (15) of the photovoltaic air conditioner (14) is located inside the cabinet (11) and the condenser end (16) of the photovoltaic air conditioner (14) is located outside the cabinet (11).
4. The control cabinet according to claim 1, characterized in that the air intake fan (12) and the air outlet fan (13) are both arranged inside the cabinet body (11).
5. The control cabinet according to claim 4, characterized in that the fan assembly further comprises a filter (122) located outside the air intake fan (12) and the air outlet fan (13), the filter (122) being arranged outside the cabinet body (11).
6. A heat dissipation control method including the control cabinet according to any one of claims 1 to 5, characterized by comprising:
Detecting the temperature inside the control cabinet;
When the fact that the temperature inside the control cabinet is higher than the first preset temperature and the duration reaches the first preset time is detected, a photovoltaic air conditioner (14) in the photovoltaic air conditioner assembly is controlled to be started;
when the internal temperature of the control cabinet is detected to be lower than the second preset temperature but higher than the third preset temperature and the duration reaches the second preset time, the photovoltaic air conditioner (14) is controlled to stop, and the electric shutter (125), the air inlet fan (12) and the air outlet fan (13) of the fan assembly are controlled to be opened;
When the internal temperature of the control cabinet is detected to be lower than the third preset temperature but higher than the fourth preset temperature and the duration reaches the third preset time, the electric shutter (125) of the fan assembly is controlled to be opened and the air inlet fan (12) and the air outlet fan (13) are controlled to be closed;
when the internal temperature of the control cabinet is detected to be lower than a fourth preset temperature and the duration reaches the fourth preset time, the fan assembly and the photovoltaic air conditioner (14) are controlled to be closed;
The first preset temperature is greater than the second preset temperature, the second preset temperature is greater than the third preset temperature, the third preset temperature is greater than the fourth preset temperature, and the first preset time, the second preset time, the third preset time and the fourth preset time are the same or different.
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| CN202011526362.6A CN112739161B (en) | 2020-12-22 | 2020-12-22 | Control cabinet and heat dissipation control method thereof |
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| CN202011526362.6A CN112739161B (en) | 2020-12-22 | 2020-12-22 | Control cabinet and heat dissipation control method thereof |
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| CN112739161A CN112739161A (en) | 2021-04-30 |
| CN112739161B true CN112739161B (en) | 2024-06-25 |
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| CN114465145A (en) * | 2022-03-23 | 2022-05-10 | 安徽顺开电气有限公司 | Energy-saving heat dissipation electric power cabinet of electric power |
| CN115087277A (en) * | 2022-07-21 | 2022-09-20 | 沈阳微控主动磁悬浮技术产业研究院有限公司 | Flywheel energy storage system |
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| CN110463451A (en) * | 2019-09-18 | 2019-11-19 | 农业农村部规划设计研究院 | A kind of grain storage apparatus for melting gravity-flow ventilation and Driven by Solar Energy ventilation and being integrated |
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