CN113556917A - Control cabinet with accurate air supply system and control method - Google Patents
Control cabinet with accurate air supply system and control method Download PDFInfo
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- CN113556917A CN113556917A CN202110590252.4A CN202110590252A CN113556917A CN 113556917 A CN113556917 A CN 113556917A CN 202110590252 A CN202110590252 A CN 202110590252A CN 113556917 A CN113556917 A CN 113556917A
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 210000001503 joint Anatomy 0.000 claims description 10
- 238000009792 diffusion process Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000009423 ventilation 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
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
- H05K7/20145—Means for directing air flow, e.g. ducts, deflectors, plenum or guides
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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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
-
- 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
- H05K7/20209—Thermal management, e.g. fan control
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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 discloses a control cabinet with an accurate air supply system, which comprises the accurate air supply system, wherein the accurate air supply system comprises an air supply vertical pipe and a plurality of air channel modules, the air supply vertical pipe is longitudinally arranged, the air supply vertical pipe is fixed in a cabinet body, the air supply vertical pipe is provided with a plurality of first air outlets and butt joints, the air channel modules are communicated with the air supply vertical pipe through the butt joints, the air channel modules are provided with second air outlets, the second air outlets are aligned to gaps between two adjacent rows of equipment, and a bottom plate of the cabinet body is also provided with air return ports. The control method controls the opening and closing of different air valves through the temperature sensor and the comparison with the setting. The invention has the advantages that: can be according to the position of equipment in the cabinet, the height of adjustment wind channel module blows off cold wind through the wind channel module and carries out the accuracy cooling to equipment, and the air supply riser equally can blow off cold wind, carries out whole control by temperature change to the internal cabinet to avoid the internal local high temperature that appears of cabinet, and can be different according to the equipment position of putting into, make the adjustment to the air-out position, ensure that equipment in the cabinet can both obtain effectual cooling, reach the effect of samming in the cabinet.
Description
Technical Field
The invention relates to a control cabinet with an accurate air supply system and a control method.
Background
The invention discloses an intelligent control cabinet of an electric power system, which is divided into an outdoor intelligent control cabinet and an indoor intelligent control cabinet according to application scenes.
At present, temperature control equipment commonly used by an intelligent control cabinet of an electric power system comprises a fan, a heat exchanger, an air conditioner and the like, wherein the heat exchanger and the air conditioner are mainly used for an outdoor intelligent control cabinet. When the fan mode is adopted, cold air outside the cabinet is introduced into the outdoor cabinet by the fan, and then hot air in the cabinet is taken out of the outdoor cabinet, so that the temperature in the cabinet is controlled within a reasonable range, and the temperature in the cabinet is higher than that outside the cabinet by about 10 ℃. The disposable input cost is low, the energy consumption is less, the filter cotton needs to be replaced regularly, the environment in the cabinet is relatively poor, and the electric elements are greatly influenced by the outside. When the heat exchanger mode is adopted, air inside and outside the cabinet is isolated by 100%, the air outside the cabinet is used as a cold source, heat inside the cabinet is exchanged outside the cabinet through the heat exchanger core, the control of the air temperature inside the cabinet is completed, the energy consumption is low and is only 1.5-2 times of that of direct ventilation of a fan, the air quality inside and outside the completely isolated cabinet is good, and the influence of dust and salt mist is small. When the air conditioning mode is adopted, the air temperature in the cabinet is forcibly controlled below 35 ℃ through the refrigerant and the compressor, the energy consumption is high, the cabinet is not influenced by the external environment, and the air temperature in the cabinet can be controlled at the optimal working temperature of the electrical equipment.
Because equipment distribution is not very even in the switch board, to the switch board that adopts the air conditioner mode, if the air outlet sets up improperly, cause local heat in the cabinet to pile up very easily, influence the equipment heat dissipation to the air outlet that sets up in advance can't make the adjustment when equipment changes in the cabinet, also can cause partial equipment to can't obtain effective cooling.
Disclosure of Invention
The invention aims to provide a control cabinet with an accurate air supply system and a control method, which can effectively solve the problem that the existing control cabinet with an air-conditioning mode for temperature control is easy to generate local high temperature and cannot adjust equipment in the cabinet to change the air outlet position.
In order to solve the technical problems, the invention is realized by the following technical scheme: a control cabinet with an accurate air supply system comprises a cabinet body, wherein a plurality of devices are installed in the cabinet body, the control cabinet also comprises the accurate air supply system, the accurate air supply system comprises a vertical air supply pipe which is longitudinally arranged and a plurality of air duct modules which are transversely arranged, the vertical air supply pipe is fixed in the cabinet body, a plurality of first air outlets and butt joints are formed in the vertical air supply pipe, the air duct modules are communicated with the vertical air supply pipe through the butt joints, second air outlets are formed in the air duct modules, the second air outlets are aligned to gaps between two adjacent devices, and air return openings are formed in a bottom plate of the cabinet body;
the air supply vertical pipe is composed of two hollow pipes in parallel, and the first air outlet and the butt joint port are respectively arranged on different hollow pipes;
the cabinet body is divided into an upper layer, a middle layer and a lower layer, a first temperature sensor, a second temperature sensor and a third temperature sensor are arranged in the upper layer of the cabinet body, a fourth temperature sensor, a fifth temperature sensor and a sixth temperature sensor are arranged in the middle layer of the cabinet body, a seventh temperature sensor is arranged in the lower layer of the cabinet body, and the fourth temperature sensor, the fifth temperature sensor and the sixth temperature sensor are arranged in the middle layer of the cabinet body, The eighth temperature sensor and the ninth temperature sensor, and all the temperature sensors and the air valve are connected with the integrated controller.
Preferably, the air blowing directions of the first air outlet and the second air outlet are consistent, so that turbulent flow is avoided, and the cooling effect is interfered.
Preferably, accurate air supply system has two sets and fixes respectively in the both sides of equipment, and the wind channel module in two sets of accurate air supply systems sets up from top to bottom in turn, guarantees that the cabinet body left and right sides temperature is even to it leads to the wind pressure not enough to avoid one side air supply riser to connect too much wind channel module.
Preferably, the front portion of all the cabinets body is the air diffusion district, the rear portion of the cabinet body is the heat source and concentrates the district, and all equipment are all fixed in the heat source and concentrate the district, the return air inlet is opened on the bottom plate in air diffusion district, is convenient for equipment fixing with the cabinet body divide into two parts and fixes, can all blow the heat that equipment gived off to the air diffusion district simultaneously, the formation in the wind channel of being convenient for, better follow the return air inlet suction cabinet body with the air.
Preferably, each air duct module is communicated with the air supply vertical pipe through a connecting pipe.
Preferably, the cabinet is internally provided with four upright posts of the installation equipment, the air supply vertical pipe is fixed between two adjacent upright posts, a dead corner area in the cabinet is fully utilized, the space of the cabinet body is saved, and the air supply vertical pipe cannot occupy too much effective space in the cabinet.
Preferably, the air duct module is arranged between the equipment and the back plate of the cabinet body, and the utilization rate of the space in the cabinet is fully improved by utilizing the area between the equipment and the cabinet body.
The control method of the control cabinet with the accurate air supply system sequentially comprises the following steps of:
the method comprises the following steps: the third air valve is in a normally open state, the other air valves are in a closed state, the integrated controller judges whether the average temperature in the middle of the cabinet body is greater than a set value n or not according to data collected by the temperature sensor, if the average temperature is greater than n, the first air valve and the fourth air valve are opened, and if the average temperature is less than n, the first air valve and the fourth air valve are kept closed;
step two: continuously judging whether the average temperature of the upper part or the lower part in the cabinet body is greater than a set value n, if so, opening the second air valve and the fifth air valve, and if not, keeping the second air valve and the fifth air valve closed;
step three: judging whether the average temperature difference between the middle part and the upper part of the cabinet body is more than 5 ℃ or not, or whether the average temperature difference between the middle part and the lower part of the cabinet body is more than 5 ℃, if so, opening all air valves and collecting the temperature information of the sensor again after 5 minutes, and circularly judging and controlling from the first step; if the temperature is lower than 5 ℃, the temperature information of the sensor is collected again after 5 minutes, and the judgment control is circulated from the first step.
Compared with the prior art, the invention has the advantages that: adopt the wind channel module, can be according to the position of equipment in the cabinet, the height of adjustment wind channel module blows off cold wind through the wind channel module and carries out the accuracy cooling to equipment, and the air supply riser equally can blow off cold wind, carries out whole control by temperature change to the internal of cabinet to avoid the internal local high temperature that appears of cabinet, and can be different according to the equipment position of putting into, make the adjustment to the air-out position, ensure that equipment in the cabinet can both obtain effectual cooling, reach the effect of samming in the cabinet.
By the control method, the temperature in the cabinet body can be accurately controlled, and different air valves can be controlled to be opened and closed according to the temperature change and the uniformity degree in the cabinet body, so that the effects of energy conservation and emission reduction are achieved, and the noise generated when the cabinet body runs is reduced on the premise of ensuring the proper temperature in the cabinet body.
Drawings
FIG. 1 is a perspective view of a control cabinet with a precision air supply system according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a partial enlarged view of a control cabinet with a precise air supply system according to the present invention;
FIG. 4 is a schematic view of the air flow direction of the precise air supply system in the control cabinet with the precise air supply system according to the present invention;
FIG. 5 is a flow chart of a control method of the present invention using a control cabinet with a precision blower system.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, the embodiment of the control cabinet with the accurate air supply system of the invention is shown, the control cabinet with the accurate air supply system comprises a cabinet body 1, the cabinet body 1 is generally in a cuboid structure, a plurality of devices 2 are installed in the cabinet body 1, the cabinet body 1 can be divided into a front part and a rear part, four vertical upright posts 13 are arranged at the rear part of the cabinet body 1, the devices 2 are all fixed on the upright posts 13, thus the heating sources of the cabinet body 1 are all concentrated at the rear part, namely a heat source concentration area 11, and the front part of the cabinet body 1 is an air heat dissipation area.
The accurate air supply system comprises a vertical air supply pipe 3 and a plurality of air channel modules 4 which are transversely arranged, the vertical air supply pipe 3 is fixed in the cabinet body 1 and can be fixed between the stand columns 13 at two sides, so that dead angle positions between the two stand columns 13 can be fully utilized, the occupied space in the cabinet body 1 is reduced, the extra size of the cabinet body 1 is not increased, and the normal installation of equipment 2 is not influenced, a first air outlet 5 and a butt joint port 6 are arranged on the vertical air supply pipe 3, the air outlet direction of the first air outlet is from a heat source concentration area 11 to an air heat dissipation area, the air in the heat source concentration area 11 is brought into the air heat dissipation area, the heat accumulation of the heat source concentration area 11 is reduced, the butt joint port 6 is connected with the air channel modules 4 through a connecting pipe 12, a second air outlet is arranged on the air channel modules 4, the air outlet direction of the second air outlet is also from the heat source concentration area 11 to the air heat dissipation area, the air duct module 4 is horizontally arranged, the second air outlet is aligned between the two adjacent devices 2, heat dissipated by the devices 2 is taken out by utilizing a gap between the two adjacent devices 2, and all heat brought into the air heat dissipation area is taken out of the cabinet body 1 through the air return opening 8 on the bottom plate of the air heat dissipation area and returns to the internal circulation of the air conditioning system.
Because the blast pipe should blow out cold air from first air outlet 5, also should supply air for wind channel module 4, and the quantity of wind channel module 4 is relevant with the equipment 2 quantity in the cabinet body 1, in order to guarantee the amount of wind of first air outlet 5 and wind channel module 4, the blast pipe can set up two independent hollow tubes 9 side by side, one supplies air for first air outlet 5, and the other supplies air for wind channel module 4.
And can also set up two sets of accurate air supply systems in the cabinet body 1, one set of air supply riser 3 is in the left side of the cabinet body 1, another set of air supply riser 3 is on the right side of the cabinet body 1, and the wind channel module 4 is located between the backplate of equipment 2 and cabinet body 1, and the wind channel module 4 of two sets of accurate air supply systems can set up in turn, lets the amount of wind of the wind channel module 4 of two sets of accurate air supply systems all relatively more even.
In the empty cabinet body 1, install air supply riser 3 earlier, then according to the position of equipment 2, install wind channel module 4, install equipment 2 in the cabinet body 1 again, if equipment 2 in the cabinet body 1 has the adjustment, also can adjust the position of wind channel module 4 simultaneously, carry out the adaptation to newly installing equipment 2. After the accurate air supply system is started, the first air outlet 5 brings heat on two sides of the equipment 2 into the air diffusion area 10, the second air outlet blows cold air from the back of the equipment 2, the cold air brings the heat of the equipment 2 into the air diffusion area 10 from the rear part from the upper part and the lower part of the equipment 2, and hot air entering the air diffusion area 10 is sucked from the air return opening 8 and returns to the air conditioning system for heat exchange and then enters the accurate air supply system. With wind channel module 4, can be according to the position of equipment 2 in the cabinet, adjust the height of wind channel module 4, blow off cold wind through wind channel module 4 and carry out the accuracy cooling to equipment 2, and air supply riser 3 can blow off cold wind equally, carry out whole control by temperature change in the cabinet body 1, thereby avoid local high temperature to appear in the cabinet body 1, and can be different according to the equipment 2 position of putting into, make the adjustment to the air-out position, ensure that equipment 2 in the cabinet can both obtain effectual cooling, reach the effect of samming in the cabinet.
The cabinet body is divided into an upper layer, a middle layer and a lower layer, a first temperature sensor T1, a second temperature sensor T2 and a third temperature sensor T3 are arranged in the upper layer of the cabinet body, a fourth temperature sensor T4, a fifth temperature sensor T5 and a sixth temperature sensor T6 are arranged in the middle layer of the cabinet body, a seventh temperature sensor T7, a fifth temperature sensor T8538 and a seventh temperature sensor T7 are arranged in the lower layer of the cabinet body, An eighth temperature sensor T8 and a ninth temperature sensor T9, all of which are connected to the integrated controller.
As shown in fig. 5, the control method of the control cabinet with the accurate air supply system sequentially comprises the following steps:
the method comprises the following steps: the third air valve is in a normally open state, the other air valves are in a closed state, the integrated controller judges whether the average temperature in the middle of the cabinet body is greater than a set value n or not according to data collected by the temperature sensor, if the average temperature is greater than n, the first air valve and the fourth air valve are opened, and if the average temperature is less than n, the first air valve and the fourth air valve are kept closed;
step two: continuously judging whether the average temperature of the upper part or the lower part in the cabinet body is greater than a set value n, if so, opening the second air valve and the fifth air valve, and if not, keeping the second air valve and the fifth air valve closed;
step three: judging whether the average temperature difference between the middle part and the upper part of the cabinet body is more than 5 ℃ or not, or whether the average temperature difference between the middle part and the lower part of the cabinet body is more than 5 ℃, if so, opening all air valves and collecting the temperature information of the sensor again after 5 minutes, and circularly judging and controlling from the first step; if the temperature is lower than 5 ℃, the temperature information of the sensor is collected again after 5 minutes, and the judgment control is circulated from the first step.
The above description is only an embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any changes or modifications within the technical field of the present invention by those skilled in the art are covered by the claims of the present invention.
Claims (8)
1. The utility model provides a take accurate air supply system's switch board, includes the cabinet body (1), installs a plurality of equipment (2), its characterized in that in the cabinet body (1): the air supply device is characterized by further comprising an accurate air supply system, wherein the accurate air supply system comprises an air supply vertical pipe (3) which is longitudinally arranged and a plurality of air channel modules (4) which are transversely arranged, the air supply vertical pipe (3) is fixed in the cabinet body (1), the air supply vertical pipe (3) is provided with a plurality of first air outlets (5) and butt joints (6), the air channel modules (4) are communicated with the air supply vertical pipe (3) through the butt joints (6), the air channel modules (4) are provided with second air outlets, the second air outlets are aligned to gaps between two adjacent devices (2), and a bottom plate of the cabinet body (1) is also provided with return air outlets (8);
the air supply vertical pipe (3) is composed of two hollow pipes (9) in parallel, and the first air outlet (5) and the butt joint port (6) are respectively arranged on the different hollow pipes (9);
the air supply vertical pipes (3) are arranged on the left side and the right side of the front part of the cabinet body (1) respectively, an air supply outlet is arranged on a bottom plate of the cabinet body (1) corresponding to each hollow pipe of the air supply vertical pipe (3), a first air valve is arranged on the air supply outlet corresponding to the hollow pipe with the butt joint port on the left side, a second air valve is arranged on the air supply outlet corresponding to the hollow pipe with the first air outlet on the left side, a third air valve is arranged on a return air inlet, a fourth air valve is arranged on the air supply outlet corresponding to the hollow pipe with the butt joint port on the right side, a fifth air valve is arranged on the air supply outlet corresponding to the hollow pipe with the first air outlet on the left side, the cabinet body (1) is divided into an upper layer, a middle layer and a lower layer, a first temperature sensor, a second temperature sensor and a third temperature sensor are arranged in the upper layer of the cabinet body (1), a fourth temperature sensor, a fifth temperature sensor and a sixth temperature sensor are arranged in the middle layer of the cabinet body (1), the lower floor of the cabinet body (1) is provided with a seventh temperature sensor, an eighth temperature sensor and a ninth temperature sensor, and all the temperature sensors and the air valves are connected with the integrated controller.
2. The control cabinet with the accurate air supply system according to claim 1, wherein: the air blowing directions of the first air outlet (5) and the second air outlet are consistent.
3. The control cabinet with the accurate air supply system as claimed in claim 1 or 2, wherein: the two sets of accurate air supply systems are respectively fixed on two sides of the equipment (2), and the air duct modules in the two sets of accurate air supply systems are alternately arranged up and down.
4. The control cabinet with the accurate air supply system according to claim 1, wherein: the front portion of all cabinet bodies (1) is air diffusion district (10), the rear portion of the cabinet body (1) is heat source concentration district (11), and all equipment (2) are all fixed in heat source concentration district (11), return air inlet (8) are opened on the bottom plate of air diffusion district (10).
5. The control cabinet with the accurate air supply system according to claim 1, wherein: each air channel module (4) is communicated with the air supply vertical pipe (3) through a connecting pipe (12).
6. The control cabinet with the accurate air supply system according to claim 1, wherein: four upright posts (13) of the installation equipment (2) are arranged in the cabinet body (1), and the air supply vertical pipe (3) is fixed between two adjacent upright posts (13).
7. The control cabinet with the accurate air supply system according to claim 1, wherein: the air duct module (4) is arranged between the equipment (2) and the back plate of the cabinet body (1).
8. The control method of the control cabinet with the accurate air supply system, which is disclosed by claim 1, is characterized in that: the method sequentially comprises the following steps:
the method comprises the following steps: the third air valve is in a normally open state, the other air valves are in a closed state, the integrated controller judges whether the average temperature in the middle of the cabinet body (1) is greater than a set value n according to data collected by the temperature sensor, if so, the first air valve and the fourth air valve are opened, and if not, the first air valve and the fourth air valve are kept closed;
step two: continuously judging whether the average temperature of the upper part or the lower part in the cabinet body (1) is greater than a set value n, if so, opening the second air valve and the fifth air valve, and if not, keeping the second air valve and the fifth air valve closed;
step three: judging whether the average temperature difference between the middle part and the upper part of the cabinet body (1) is more than 5 ℃ or not, or whether the average temperature difference between the middle part and the lower part of the cabinet body (1) is more than 5 ℃, if so, opening all air valves and collecting the temperature information of the sensor again after 5 minutes, and circularly judging and controlling from the first step; if the temperature is lower than 5 ℃, the temperature information of the sensor is collected again after 5 minutes, and the judgment control is circulated from the first step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110590252.4A CN113556917A (en) | 2021-05-28 | 2021-05-28 | Control cabinet with accurate air supply system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110590252.4A CN113556917A (en) | 2021-05-28 | 2021-05-28 | Control cabinet with accurate air supply system and control method |
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| Publication Number | Publication Date |
|---|---|
| CN113556917A true CN113556917A (en) | 2021-10-26 |
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| CN202110590252.4A Pending CN113556917A (en) | 2021-05-28 | 2021-05-28 | Control cabinet with accurate air supply system and control method |
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