CN112739161A - Control cabinet and heat dissipation control method thereof - Google Patents
Control cabinet and heat dissipation control method thereof Download PDFInfo
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- CN112739161A CN112739161A CN202011526362.6A CN202011526362A CN112739161A CN 112739161 A CN112739161 A CN 112739161A CN 202011526362 A CN202011526362 A CN 202011526362A CN 112739161 A CN112739161 A CN 112739161A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000004146 energy storage Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 6
- 238000004378 air conditioning Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
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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
- 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)
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- 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. This switch board includes the cabinet body (11) and radiator unit, radiator unit sets up on the cabinet body (11), wherein, radiator unit includes photovoltaic air conditioner subassembly and fan subassembly, photovoltaic air conditioner subassembly with fan subassembly can start or stop in order to realize the different heat dissipation modes of the cabinet body (11) under different temperatures based on the inside different temperatures of the cabinet body (11) at least. According to the control cabinet, different heat dissipation modes are adopted by the photovoltaic air conditioner assembly and the fan assembly when the temperatures in different cabinet bodies are high, 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 solar energy is fully utilized to supply power to the electrical equipment in the control cabinet, so that the purpose of reducing the electric energy loss is achieved.
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 IP grade of the outdoor control cabinet needs to be guaranteed while heat is dissipated. The existing outdoor control cabinet heat dissipation mode mostly adopts a heat dissipation fan with a filter screen mounted on a cabinet body door plate, and a sealing ring is arranged at the bottom of the cabinet body door plate to prevent partial heat from flowing back. However, when the outdoor temperature is high in the daytime in the conventional outdoor control cabinet heat dissipation mode, 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, and aims to solve the technical problem that the heat dissipation effect of the control cabinet is poor in the prior art. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a control cabinet which 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 a back panel of the cabinet body.
According to a preferred embodiment, the photovoltaic panel assembly is fixed on the top of the cabinet body in a structure which is respectively arranged obliquely downwards towards the front side and the rear side.
According to a preferred embodiment, the photovoltaic air-conditioning 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 the 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 respectively connected with the photovoltaic air conditioner and the fan assembly through the inverter.
According to a preferred embodiment, the photovoltaic air conditioner is embedded into the back panel of the cabinet body, and the evaporator end of the photovoltaic air conditioner is located inside the cabinet body, and the condenser end of the photovoltaic air conditioner is located outside the cabinet body.
According to a preferred embodiment, the fan subassembly is including being located air inlet fan on the front panel of the cabinet body and being located air outlet fan on the backplate of the cabinet body, air inlet fan with air outlet fan all includes electronic shutter and radiator fan, electronic shutter sets up radiator fan's the outside.
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 inlet fan (and the outlet fan), the filter being located outside the cabinet.
According to a preferred embodiment, the temperature detection 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 solar photovoltaic air conditioner further comprises a controller, wherein the controller is used for receiving the temperature signal and the time signal and controlling the photovoltaic air conditioner, the electric shutter, the air inlet fan or the air outlet fan to be started or stopped 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 internal temperature of the control cabinet;
when the internal temperature of the control cabinet is detected to be higher than a first preset temperature and the duration time reaches a first preset time, controlling a photovoltaic air conditioner in the photovoltaic air conditioner assembly 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 time reaches the second preset time, controlling the photovoltaic air conditioner to stop and controlling the electric shutter, the air inlet fan and the air outlet fan of the fan assembly 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 time reaches the third preset time, controlling an electric shutter of the fan assembly to be opened and controlling an air inlet fan and an air outlet fan to be closed;
when the temperature in the control cabinet is detected to be lower than the fourth preset temperature and the duration time 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 at least have 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 in the cabinet body so as to realize different heat dissipation modes of the cabinet body at different temperatures. Adopt different heat dissipation modes when the internal portion temperature of different cabinets through photovoltaic air conditioner subassembly and fan subassembly on the one hand, solve when outdoor temperature is too high effectively, the not good problem of switch board heat dissipation. On the other hand, solar energy is fully utilized to supply power to electrical equipment in the control cabinet, so that the purpose of reducing electric energy loss is achieved.
On the other hand, the control cabinet heat dissipation control method can start different heat dissipation modes when the internal temperatures of the control cabinets are different by detecting the internal temperature of the control cabinet and comparing the internal temperature and the duration time of the control cabinet with different preset temperatures and preset times. When the temperature in the control cabinet is higher than a first preset temperature and the duration time reaches a first preset time, starting a cooling and radiating 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 time reaches the second preset time, starting a fan heat dissipation mode; when the temperature in the control cabinet is lower than the third preset temperature but higher than the fourth preset temperature and the duration time reaches the third preset time, only opening the electric shutter to perform natural ventilation and heat dissipation; when the temperature in the control cabinet is lower than the fourth preset temperature and the duration time reaches the fourth preset time, the fan assembly and the photovoltaic air conditioner are controlled to be closed to perform a heat preservation mode. Thereby realize the inside different radiating mode of switch board, improve the radiating effect in the switch board, reduced the energy consumption simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic front view of the control cabinet of the present invention;
FIG. 2 is a schematic diagram of the back side 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 diagram of the construction of the fan assembly in the control cabinet of the present invention;
FIG. 5 is a side view of the fan assembly of FIG. 4;
FIG. 6 is a schematic view of the mounting of the photovoltaic air conditioner in the control cabinet of the present invention;
FIG. 7 is a schematic diagram of the evaporator end of a photovoltaic air conditioner in a control cabinet according to the present invention;
fig. 8 is a schematic structural diagram of a condenser end of a photovoltaic air conditioner in a control cabinet according to the present invention.
In the figure: 10-a photovoltaic panel assembly; 11-a cabinet body; 12-an air intake fan; 13-air outlet fan; 14-a photovoltaic air conditioner; 15-evaporator end; 16-condenser end; 111-a front panel; 112-a back panel; 121-a rotating shaft; 122-a filter; 123-electric actuator; 124-a heat radiation fan; 125-electric blinds; 151-evaporator coil and filter screen assembly; 152-a first fan; 161-condenser coil and screen pack; 162-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 is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, 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 otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The technical scheme of the invention is explained in detail in the following with the accompanying drawings of the specification.
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 and 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 11 so as to realize different heat dissipation modes of the cabinet body 11 at different temperatures. Thereby realize adopting different heat dissipation modes when the internal portion temperature of different cabinets through photovoltaic air conditioner subassembly and fan subassembly, solve when outdoor temperature is too high effectively, the not good problem of switch board heat dissipation. On the other hand, solar energy is fully utilized to supply power to electrical equipment in the control cabinet, so that the purpose of reducing electric energy loss is achieved.
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 the 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 in which the photovoltaic panel assembly is 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 power generation amount of the photovoltaic panel is larger. Preferably, the photovoltaic air conditioner 14 is disposed on the back panel 112 of the cabinet 11.
Preferably, the photovoltaic air conditioning assembly further includes an energy storage battery and an inverter, wherein the energy storage battery is connected to 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 for 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 through an inverter, and the inverter is used for converting electric energy converted by the photovoltaic panel assembly from direct current to alternating current for 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 being disposed inside the cabinet 11 and the condenser end 16 of the photovoltaic air conditioner 14 being disposed outside the cabinet 11. As shown in fig. 7 and 8, fig. 7 is a schematic structural diagram of an evaporator end of a photovoltaic air conditioner in a control cabinet of the invention; the photovoltaic air conditioner evaporator end includes the evaporimeter coil and filter screen subassembly 151 and first fan 152, and first fan 152 can blow to inside and form the malleation, sends out wind from the evaporimeter coil, takes away the heat that the compressor produced, realizes blowing cold wind to the cabinet body. As shown in fig. 8, fig. 8 is a schematic structural diagram of a condenser end of a photovoltaic air conditioner in a control cabinet according to 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, the air is sent out from the condenser coil, and heat generated by a compressor is taken away. When the photovoltaic air conditioner operates, air is blown into the cabinet body and the cabinet body, cold air is blown into the cabinet body, and hot air is blown out of the cabinet body.
Preferably, the fan assembly includes an inlet fan 12 located on a front panel 111 of the cabinet 11 and an outlet fan 13 located on a back panel 112 of the cabinet 11. Wherein, the air inlet fan is used for blowing to the internal portion of cabinet, and the air outlet fan is used for blowing to the external portion of cabinet. Preferably, as shown in fig. 5, each of the air inlet fan 12 and the air outlet fan 13 includes an electric louver 125 and a heat dissipation fan 124, and the electric louver 125 is disposed outside the heat dissipation fan 124. Preferably, the electric blind 125 includes a blind body, a rotating shaft 121, an electric actuator 123 and a wind valve, wherein the rotating shaft 121 is connected with the blind body for driving the blind body to open or close. The electric actuator 123 is connected to the rotating shaft 121 and is used for controlling the rotating 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 opening or closing 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 inside the cabinet body 11, so as to blow air to the inside of the cabinet body through the air inlet fan, blow air to the outside of the cabinet body through the air outlet fan, and achieve the purpose of heat dissipation and cooling by the circulation flow of air flow inside the control cabinet. Preferably, the fan assembly further includes a filter 122 located outside the inlet fan 12 and the outlet fan 13, and the filter 122 is disposed outside the cabinet 11. The air filter is used for filtering impurities or large particles in the air and preventing the impurities or the large particles from entering the inside of the control cabinet.
Preferably, the control cabinet of the present invention further comprises a temperature detection device for detecting the temperature inside the cabinet body 11. Preferably, the control cabinet of the present invention further comprises a timing device, and the timing device is used for detecting the duration time after the internal temperature of the cabinet body 11 reaches the preset temperature. So that after the internal temperature of 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 comprises a controller, wherein the controller is configured to receive the temperature signal and the time signal, and control the photovoltaic air conditioner 14, the electric louver 125, the air inlet fan 12 or the air outlet fan 13 to be turned on or off based on the temperature signal and the time signal. Preferably, the controller is connected to the photovoltaic air conditioner 14, the air valve of the electric louver 125, the air inlet fan, and the air outlet fan respectively. Preferably, the control cabinet of the 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 illumination of the current sunlight. The controller is connected with the photovoltaic panel assembly voltage detection device and the energy storage battery, and when illumination reaches preset illumination, the energy storage battery is controlled to store energy.
Example 2
This embodiment 2 provides a heat dissipation control method for a control cabinet of embodiment 1, including:
detecting the internal temperature of the control cabinet;
when the internal temperature of the control cabinet is detected to be higher than a first preset temperature and the duration time reaches a first preset time, controlling a photovoltaic air conditioner 14 in the photovoltaic air conditioner assembly 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 time reaches the second preset time, controlling the photovoltaic air conditioner 14 to stop, and controlling the electric louver 125, the air inlet fan 12 and the air outlet fan 13 of the fan assembly to start;
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 time reaches the third preset time, controlling the electric shutter 125 of the fan assembly to be opened and controlling the air inlet fan 12 and the air outlet fan 13 to be closed;
when the temperature in the control cabinet is detected to be lower than the fourth preset temperature and the duration time 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 photovoltaic air conditioner cooling and heat dissipation mode;
when the internal temperature T of the control cabinet is greater than a first preset temperature and the duration time reaches a first preset time, for example, T is greater than 36 ℃, the duration time reaches 15min, the photovoltaic air conditioner is controlled to be started to cool the inside of the control cabinet, and in the mode, the electric shutter and the fan are controlled to be closed.
2. A fan ventilation and heat dissipation mode;
and when the internal temperature T of the control cabinet is lower than the second preset temperature but higher than the third preset temperature and the duration time reaches the second preset time, for example, T is more than 18 ℃ and less than or equal to 27 ℃, and the duration time 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 heat dissipation mode;
when the internal temperature T of the control cabinet is lower than the third preset temperature but higher than the fourth preset temperature, for example, T is more than 10 ℃ and less than or equal to 18 ℃, and the duration time reaches 15min, the electric shutter is kept opened, the air inlet fan and the air outlet fan are controlled to be closed, and natural ventilation is utilized for heat dissipation.
4. A heat preservation mode;
and when the internal temperature T of the control cabinet is lower than a fourth preset temperature, for example T is less than or equal to 10 ℃, and the duration time reaches 30min, controlling the electric shutter, the fan and the photovoltaic air conditioner to be closed, and preserving the heat of the inside of the control cabinet.
The control cabinet can automatically select different heat dissipation modes based on different internal temperatures of the cabinet body, so that the heat dissipation efficiency of the control cabinet is improved, and the energy consumption is reduced. In addition, the photovoltaic panel component is adopted to fully utilize the electric energy converted by solar energy, when the photovoltaic air conditioner or the fan component is started in the daytime, the electric energy converted by the photovoltaic panel component is preferentially used for supplying power, the redundant electric energy is stored by the energy storage battery, if the illumination is insufficient, the power distribution equipment in the control cabinet is selected for supplying power, when the photovoltaic air conditioner or the fan component is used at night without illumination, the electric energy stored by the energy storage battery is preferentially used, and when the stored electric energy is insufficient, the electric energy is supplemented by the power distribution equipment in the cabinet, so that the solar energy is fully utilized, and the energy consumption is greatly reduced.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (12)
1. The utility model provides a switch board, its characterized in that includes the cabinet body (11) and radiator unit, radiator unit sets up on the cabinet body (11), wherein, radiator unit includes photovoltaic air conditioner subassembly and fan subassembly, photovoltaic air conditioner subassembly with fan subassembly can start or stop in order to realize the different heat dissipation modes of the cabinet body (11) under different temperatures based on the inside different temperatures of the cabinet body (11) at least.
2. The control cabinet according to claim 1, characterized in that the photovoltaic air conditioning assembly comprises a photovoltaic panel assembly (10) and a photovoltaic air conditioner (14), wherein the photovoltaic panel assembly (10) is disposed on top of the cabinet body (11) and the photovoltaic air conditioner (14) is disposed on a back panel (112) of the cabinet body (11).
3. The control cabinet according to claim 2, wherein the photovoltaic panel assembly (10) is fixed on the top of the cabinet body (11) in a structure which is obliquely and downwardly arranged towards the front side and the rear side respectively.
4. The control cabinet according to claim 2, wherein the photovoltaic air conditioning assembly further comprises an energy storage battery and an inverter, 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); the energy storage battery is respectively connected with the photovoltaic air conditioner (14) and the fan assembly; the photovoltaic panel assembly (10) is respectively connected with a photovoltaic air conditioner (14) and a fan assembly through the inverter.
5. The control cabinet according to claim 2, characterized in that the photovoltaic air conditioner (14) is embedded in the back panel (112) of the cabinet body (11) and the evaporator end (15) of the photovoltaic air conditioner (14) is located inside the cabinet body (11) and the condenser end (16) of the photovoltaic air conditioner (14) is located outside the cabinet body (11).
6. The control cabinet according to claim 1, wherein the fan assembly comprises an air inlet fan (12) located on the front panel (111) of the cabinet body (11) and an air outlet fan (13) located on the back panel (112) of the cabinet body (11), the air inlet fan (12) and the air outlet fan (13) each comprise an electric louver (125) and a heat dissipation fan (124), and the electric louver (125) is disposed outside the heat dissipation fan (124).
7. The control cabinet according to claim 6, wherein the air inlet fan (12) and the air outlet fan (13) are both disposed inside the cabinet body (11).
8. The control cabinet according to claim 7, wherein the fan assembly further comprises a filter (122) located outside the inlet fan (12) and the outlet fan (13), the filter (122) being disposed outside the cabinet body (11).
9. The control cabinet according to claim 1, further comprising a temperature detection device and a timing device, wherein 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 a preset temperature.
10. The control cabinet according to claim 9, further comprising a controller for receiving the temperature signal and the time signal and controlling the photovoltaic air conditioner (14), the electric louver (125), the air intake fan (12) or the air outlet fan (13) to be turned on or off based on the temperature signal and the time signal.
11. A control cabinet heat dissipation control method is characterized by comprising the following steps:
detecting the internal temperature of the control cabinet;
when the internal temperature of the control cabinet is detected to be higher than a first preset temperature and the duration time reaches a first preset time, controlling a photovoltaic air conditioner (14) in the photovoltaic air conditioner assembly to be started;
when the internal temperature of the control cabinet is detected to be lower than a second preset temperature but higher than a third preset temperature and the duration time reaches a second preset time, controlling the photovoltaic air conditioner (14) to stop and controlling an electric shutter (125), an air inlet fan (12) and an air outlet fan (13) of the fan assembly to start;
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 time reaches the third preset time, controlling an electric shutter (125) of the fan assembly to be opened and controlling an air inlet fan (12) and an air outlet fan (13) to be closed;
when the temperature in the control cabinet is detected to be lower than a fourth preset temperature and the duration time reaches a fourth preset time, the fan assembly and the photovoltaic air conditioner (14) are controlled to be turned off.
12. The control cabinet heat dissipation control method according to claim 11, wherein 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011526362.6A CN112739161B (en) | 2020-12-22 | Control cabinet and heat dissipation control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011526362.6A CN112739161B (en) | 2020-12-22 | Control cabinet and heat dissipation control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112739161A true CN112739161A (en) | 2021-04-30 |
| CN112739161B CN112739161B (en) | 2024-06-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| 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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