CN113224658A - Outdoor intelligent rainproof heat-dissipation switch cabinet and application method thereof - Google Patents
Outdoor intelligent rainproof heat-dissipation switch cabinet and application method thereof Download PDFInfo
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- CN113224658A CN113224658A CN202110555173.XA CN202110555173A CN113224658A CN 113224658 A CN113224658 A CN 113224658A CN 202110555173 A CN202110555173 A CN 202110555173A CN 113224658 A CN113224658 A CN 113224658A
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- switch cabinet
- heat dissipation
- outer shell
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an outdoor intelligent rainproof heat-dissipation switch cabinet and an application method thereof, wherein the switch cabinet comprises an outer shell, and is characterized in that: the frame forming frame of the outer shell is composed of a plurality of supporting rods, and a plurality of modularized components which can move along the supporting rods relative to the outer shell are connected and arranged on the supporting rods; the lifting mechanism is provided with a plurality of power units; the heat dissipation mechanism comprises a temperature sensor and a heat dissipation fan; the protection controller is connected with a plurality of environment monitoring components for monitoring environment change and is used for controlling the work of the internal mechanism of the switch cabinet; the switch cabinet disclosed by the invention has the advantages that the internal components are arranged in a modularized manner, the relative position arrangement is controlled, the built-in heat dissipation mechanism is adopted in a normal mode, the energy-saving heat dissipation is realized through the protection controller in strong wind and heavy rain weather, the switch cabinet disclosed by the invention has high-efficiency heat dissipation capability and can be used for intelligently dealing with the problem of water accumulation in rainy days through the application and utilization of environmental weather, and the switch cabinet is more convenient and labor-saving to overhaul through the lifting mechanism.
Description
Technical Field
The invention relates to the technical field of ring network switch cabinets, in particular to an outdoor intelligent rainproof heat dissipation type switch cabinet and an application method thereof.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like.
But in actual use, the inside electrical part of cubical switchboard can produce a large amount of heats at the during operation, because the cabinet body is comparatively sealed, the heat can't in time be effluvium, thereby can cause certain damage to inside electrical part, and when overhauing inside device, because the device is wrapped up by outside casing, so lead to holistic operating space less, bring certain inconvenience for overhauing the operation, secondly, outdoor cubical switchboard receives the influence of environment great, current cubical switchboard generally adopts closed reply and avoids the environmental impact.
Disclosure of Invention
The invention aims to provide an outdoor intelligent rainproof heat-dissipation switch cabinet and an application method thereof, and aims to solve the problems that heat cannot be dissipated in time, narrow space is inconvenient to overhaul, reasonable response is realized, and outdoor weather change is utilized in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a rain-proof heat dissipation type cubical switchboard of outdoor intelligence, includes the shell body, its characterized in that: the outer shell is arranged in a rectangular box body, the frame of the outer shell is composed of a plurality of support rods, a plurality of modularized components are connected to the support rods, and the components can move along the support rods relative to the outer shell;
the lifting mechanism is arranged on one side of the outer shell and is provided with a plurality of power units which drive the components to move relative to the outer shell through a transmission belt;
the heat dissipation mechanism comprises a temperature sensor and a heat dissipation fan which are arranged in the outer shell;
the protection controller is used for controlling the mechanism linkage work of the switch cabinet, and comprises a lifting mechanism and a heat dissipation mechanism which are controlled to start and stop, and a plurality of environment monitoring assemblies used for monitoring environment changes are connected and arranged on the protection controller.
As a further arrangement of the scheme, the components are arranged in a double-layer staggered mode relative to the outer shell, the components are fixedly connected with the frame, the frame can be driven by the power unit of the lifting mechanism to lift relative to the outer shell, and the frame can be driven to move so that the components are arranged in a staggered mode in one layer.
As a further arrangement of the scheme, the components are arranged at intervals in a box shape, sealing layers and filtering layers are arranged on the components, and the sealing layers are used for sealing the single components.
As a further arrangement of the scheme, a water level sensor is arranged on the outer shell and used for detecting the height of accumulated water at the position where the switch cabinet is arranged, and the rain drop sensor is used for detecting the size of rain drops.
As a further setting of the above scheme, the heat dissipation mechanism further comprises a sealing door for sealing the outer shell, the outer shell is provided with a vent for the heat dissipation mechanism, and the detection sensor is arranged inside and outside the vent and used for monitoring the internal and external environments of the outer shell and feeding back the internal and external environments to the controller to control the start and stop of the heat dissipation mechanism.
An outdoor intelligent rainproof heat-dissipation switch cabinet and an application method thereof are characterized in that: comprises the following steps
S1: when the switch cabinet is in normal use, the modularized components are respectively staggered and lifted, so that a space is reserved between two adjacent components, the sealing door seals the outer shell, the heat dissipation mechanism realizes the exchange of gas inside and outside the switch cabinet through the ventilation opening to dissipate heat, and the heat dissipation mechanism controls the power of the heat dissipation fan through the feedback signal of the temperature sensor connected and arranged with the heat dissipation mechanism;
s2: the protection controller is connected with an environment monitoring assembly, external and internal environment changes are monitored in real time, the environment changes comprise humidity, temperature, smoke and wind power, and the environment monitoring assembly is used for feeding back environment information to enable the protection controller to work so as to switch modes of the switch cabinet;
s3: when the environment detection assembly detects that the external wind power is larger than a preset value and the humidity and the temperature are proper, the sealing layer arranged on the component releases the sealing of the component, the filter layer works, the sealing door is opened, and when the temperature of the component fed back by the temperature sensor of the heat dissipation mechanism is lower than a set value, the heat dissipation fan can be temporarily closed;
s4: the switch cabinet is cooled through S3 natural wind, when the environment detection assembly detects that any index of the environment does not meet the requirement, the protection controller reversely closes the switch cabinet, and a normal working mode of S1 is started to cool the switch cabinet through the cooling mechanism;
s5: when the water level sensor detects that the water level rises to the preset height, the protection controller controls the sealing layer to seal a single component and lift the component to the highest position, the raindrop sensor detects the rainfall at the same time, and when the numerical value of the raindrop sensor reaches a set value, the side edge of the outer shell and the top sealing door are opened.
Preferably, the switch cabinet operation mode triggered by the environmental monitoring component and the temperature sensor on the heat dissipation mechanism in S2 includes: the normal working and heat dissipation mode of S1, the natural wind energy-saving compensation heat dissipation mode of S3 and the lifting protection heat dissipation mode of S5 are switched under the control of the protection controller.
Preferably, the filter layer comprises a filter screen for filtering water vapor, dust and impurities in the air, and the cooling fan is closed relative to the sealing door in a delayed manner.
Preferably, after the components in S5 rise to the highest position, intervals for rainwater to flow are provided between each other, and the heating elements in the switch cabinet are closely attached to the side edges and the top.
Compared with the prior art, the invention has the beneficial effects that: the switch cabinet disclosed by the invention has the advantages that the internal components are arranged in a modularized manner, the relative position arrangement of the components is controlled, the optimal heat dissipation channel is formed, the heat dissipation effect is convenient to dissipate heat and improve, the three modes of heat dissipation and rainfall water accumulation are met, the built-in heat dissipation mechanism is adopted in the normal mode, the compensation energy-saving heat dissipation is realized through the protection controller in the weather of strong wind and strong rain, the switch cabinet disclosed by the invention has high-efficiency heat dissipation capability and intelligent rain and water accumulation prevention effects, and the maintenance of a worker on the switch cabinet is more convenient and labor-saving through the lifting mechanism.
Drawings
Fig. 1 is a schematic structural diagram of a switch cabinet of the present invention.
Fig. 2 is a schematic diagram of the internal structure of the switch cabinet of the present invention.
Fig. 3 is a schematic diagram of the components of the present invention.
In the figure: 1. an outer housing; 11. a sealing door; 2. a support bar; 3. a component; 31. a frame; 32. a sealing layer; 33. a filter layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a rain-proof heat dissipation type cubical switchboard of outdoor intelligence, includes shell body 1, its characterized in that: the outer shell 1 is arranged in a rectangular box body, the frame of the outer shell is composed of a plurality of support rods 2, a plurality of modularized components 3 are connected to the support rods 2, and the components 3 can move along the support rods 2 relative to the outer shell 1;
the lifting mechanism is arranged on one side of the outer shell 1 and is provided with a plurality of power units which drive the component 3 to move relative to the outer shell 1 through a transmission belt;
the heat dissipation mechanism comprises a temperature sensor and a heat dissipation fan which are arranged in the outer shell 1;
the protection controller is used for controlling the mechanism linkage work of the switch cabinet, and comprises a lifting mechanism and a heat dissipation mechanism which are controlled to start and stop, and a plurality of environment monitoring assemblies used for monitoring environment changes are connected and arranged on the protection controller.
As a further configuration of the above solution, as shown in fig. 2, the components 3 are disposed in a double-layer staggered manner with respect to the outer shell 1, the frame 31 is fixedly connected to the outside of the components 3, the frame 31 can be lifted with respect to the outer shell 1 by the driving control of the power unit of the lifting mechanism, and the frame 31 can be driven to move so as to stagger the components 3 into a single-layer configuration.
As a further arrangement of the above scheme, as shown in fig. 3, the components 3 are arranged at intervals in a box shape, and sealing layers 32 and filter layers 33 are arranged on the components, and the sealing layers 32 are used for sealing the individual components 3.
As a further setting of the above scheme, a water level sensor is arranged on the outer shell body 1 and used for detecting the height of accumulated water at the arrangement position of the switch cabinet, and the rain drop sensor is used for detecting the size of rain drops.
As a further setting of the above scheme, the heat dissipation mechanism further comprises a sealing door 11 for sealing the outer shell 1, the outer shell 1 is provided with a vent for the heat dissipation mechanism, and the detection sensor is arranged inside and outside the vent and used for monitoring the start and stop of the heat dissipation mechanism controlled by the controller and fed back to the environment inside and outside the outer shell 1.
An outdoor intelligent rainproof heat-dissipation switch cabinet and an application method thereof are characterized in that: comprises the following steps
S1: when the switch cabinet is in normal use, the modularized components 3 are respectively staggered and lifted, so that a space is reserved between two adjacent components 3, the sealing door 11 seals the outer shell 1, the heat dissipation mechanism realizes the exchange of air inside and outside the switch cabinet through the ventilation opening to dissipate heat, and the heat dissipation mechanism controls the power of the heat dissipation fan through the feedback signal of the temperature sensor connected and arranged with the heat dissipation mechanism;
s2: the protection controller is connected with an environment monitoring assembly, external and internal environment changes are monitored in real time, the environment changes comprise humidity, temperature, smoke and wind power, and the environment monitoring assembly is used for feeding back environment information to enable the protection controller to work so as to switch modes of the switch cabinet;
s3: when the environment detection assembly detects that the external wind power is larger than a preset value and the humidity and the temperature are proper, the sealing layer 32 arranged on the component 3 relieves the sealing of the component 3, the filter layer 33 works, the sealing door 11 is opened, and when the temperature of the component 3 fed back by the temperature sensor of the heat dissipation mechanism is lower than a set value, the heat dissipation fan can be temporarily closed;
s4: the switch cabinet is cooled through S3 natural wind, when the environment detection assembly detects that any index of the environment does not meet the requirement, the protection controller reversely closes the switch cabinet, and a normal working mode of S1 is started to cool the switch cabinet through the cooling mechanism;
s5: when the water level sensor detects that the water level rises to the preset height, the protection controller controls the sealing layer 32 to seal the single component 3 and lift the component to the highest position, meanwhile, the raindrop sensor detects the rainfall, and when the numerical value of the rainfall reaches the set value, the side edge of the outer shell 1 and the top sealing door 11 are opened.
Preferably, the switch cabinet operation mode triggered by the environmental monitoring component and the temperature sensor on the heat dissipation mechanism in S2 includes: the normal working and heat dissipation mode of S1, the natural wind energy-saving compensation heat dissipation mode of S3 and the lifting protection heat dissipation mode of S5 are switched under the control of the protection controller.
Preferably, the filter layer 33 includes a filter screen for filtering moisture, dust and impurities in the air, and the cooling fan is closed with a delay with respect to the sealing door 1.
Preferably, after the component 3 in S5 is lifted to the highest position, an interval for rainwater to flow is arranged between the component 3 and the switch cabinet, and the heating element in the switch cabinet is tightly attached to the side edge and the top.
The working principle is as follows: this device is provided with three mode and corresponds different environmental change respectively:
mode one, normal work and heat dissipation mode: the mode is a common setting when the switch cabinet is in normal use, when the switch cabinet is in the mode, the modularized components 3 in the switch cabinet are staggered and lifted, so that the two adjacent components 3 are staggered up and down, a large amount of ventilation space is reserved between the levels to facilitate heat dissipation, at the moment, a sealing door 11 of an outer shell 1 is sealed, the switch cabinet realizes heat dissipation through a heat dissipation mechanism based on the exchange of internal and external air through a ventilation opening of the heat dissipation mechanism and unidirectional air delivery, at the moment, the heat dissipation mechanism is connected with a temperature sensor feedback signal through the heat dissipation mechanism, the power of the heat dissipation fan is controlled through a built-in program, and the heat dissipation fan can be set as a fan controlled by a PWM chip;
mode two, energy-conserving compensation heat dissipation mode of natural wind: the mode mainly aims at the scene that the setting area of the outdoor switch cabinet is probably located in the windy weather, when the environment detection assembly detects that the external wind power is larger than the preset value through a plurality of sensors and the humidity and the temperature are proper, the monitoring feedback signals meet the requirement of starting the natural wind energy-saving compensation heat dissipation mode, the protection controller releases the sealing of a single component 3 through a sealing layer 32 arranged on the control component 3, only a filter layer 33 is left to work, the filter layer 33 plays a role of preventing external impurities from directly entering the component 3 to be contacted with the inside, then a sealing door 11 of the outer shell 3 is opened to release the sealing protection of the outer shell 3, so that the natural wind can be directly blown on the component 3 and exchanges heat dissipation with the inside air after being filtered by the filter layer 33, and when the temperature of the component 3 fed back by a temperature sensor of the heat dissipation mechanism is lower than the set value in the mode starting state, the cooling fan can be turned off temporarily, only natural wind is left for cooling, and if the external wind power is insufficient for cooling and cooling the switch cabinet or the internal temperature of the switch cabinet is higher than a set value, the mode is recovered to a cooling mode;
mode three, lifting protection heat dissipation mode: the mode mainly aims at an outdoor switch cabinet, and can meet the problems of accumulated water at a mounting position and accumulated water caused by rain in the using process, a water level sensor and a rain sensor are also arranged on an outer shell 1, when the water level sensor arranged at the bottom of the outer shell 1 detects that the water level rises to a preset height, firstly, a protection controller work control sealing layer 32 seals a single component 3, secondly, the component 3 is divided into components 3 which are arranged in multiple layers and can be staggered mutually, the components are all lifted to the highest position and are arranged in parallel through the matching of a frame 31 and a support rod 2 under the driving of a driving unit, meanwhile, the rain sensor detects the rainfall, when the numerical value of the components reaches a set value, a side edge of the outer shell 1 and a top sealing door 11 are opened, the external rainwater washes the surface of the component 3 in a sealing state to cool, and firstly, the component 3 in a low-position accumulated water soaking state can be avoided in sealing arrangement, get temperature regulation under the cooling condition that loses heat dissipation mechanism, its two, the rainy day initiative is opened, not only can clean 3 surfaces of components and parts, can practice thrift heat dissipation mechanism's consumption simultaneously.
The lifting mechanism is also used for lowering and lifting any modular component 3 to a proper position by controlling the precise movement of the lifting mechanism when the switch cabinet is maintained and overhauled, so that the operation of workers is facilitated.
The switch cabinet disclosed by the invention has the advantages that the internal components are arranged in a modularized manner, the relative position arrangement of the components is controlled, the optimal heat dissipation channel is formed, the heat dissipation effect is convenient to dissipate heat and improve, the three modes of heat dissipation and rainfall water accumulation are met, the built-in heat dissipation mechanism is adopted in the normal mode, the compensation energy-saving heat dissipation is realized through the protection controller in the weather of strong wind and strong rain, the switch cabinet disclosed by the invention has high-efficiency heat dissipation capability and intelligent rain and water accumulation prevention effects, and the maintenance of a worker on the switch cabinet is more convenient and labor-saving through the lifting mechanism.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a rain-proof heat dissipation type cubical switchboard of outdoor intelligence, includes shell body (1), its characterized in that: the shell body (1) is arranged in a rectangular box body, the frame of the shell body is composed of a plurality of support rods (2), a plurality of modularized components (3) are connected to the support rods (2), and the components (3) can move along the support rods (2) relative to the shell body (1);
the lifting mechanism is arranged on one side of the outer shell (1) and is provided with a plurality of power units which drive the components (3) to move relative to the outer shell (1) through a transmission belt;
the heat dissipation mechanism comprises a temperature sensor and a heat dissipation fan which are arranged in the outer shell (1);
the protection controller is used for controlling the mechanism linkage work of the switch cabinet, and comprises a lifting mechanism and a heat dissipation mechanism which are controlled to start and stop, and a plurality of environment monitoring assemblies used for monitoring environment changes are connected and arranged on the protection controller.
2. The outdoor intelligent rainproof heat-dissipation switch cabinet according to claim 1, and is characterized in that: component (3) are double-deck dislocation set relative shell body (1), component (3) outer fixedly connected with frame (31), frame (31) can go up and down through elevating system's power pack drive control relative shell body (1), it can drive component (3) that frame (31) removed messenger crisscross and be the one deck setting.
3. The outdoor intelligent rainproof heat-dissipation switch cabinet according to claim 2, and is characterized in that: the components and parts (3) are arranged in a box shape at intervals, sealing layers (32) and filtering layers (33) are arranged on the components and parts, and the sealing layers (32) are used for sealing the single components and parts (3).
4. The outdoor intelligent rainproof heat-dissipation switch cabinet according to claim 3, and is characterized in that: the switch cabinet is characterized in that a water level sensor is arranged on the outer shell (1), is used for detecting the height of accumulated water at the arrangement position of the switch cabinet and also comprises a raindrop sensor used for detecting the rainfall.
5. The outdoor intelligent rainproof heat-dissipation switch cabinet according to claim 1, and is characterized in that: the heat dissipation mechanism further comprises a sealing door (11) used for sealing the outer shell (1), the outer shell (1) is provided with a vent used for the heat dissipation mechanism, and the detection sensor is arranged inside and outside the vent and used for monitoring the internal and external environments of the outer shell (1) and feeding back the internal and external environments to the controller to control the start and stop of the heat dissipation mechanism.
6. An outdoor intelligent rainproof heat-dissipation switch cabinet and an application method thereof are characterized in that: comprises the following steps
S1: when the switch cabinet is in normal use, the modularized components (3) are respectively lifted in a staggered mode, so that a space is reserved between two adjacent components (3), the sealing door (11) seals the outer shell (1), the heat dissipation mechanism realizes the exchange of air inside and outside the switch cabinet through the ventilation opening to dissipate heat, and the heat dissipation mechanism controls the power of the heat dissipation fan through the feedback signal of the temperature sensor connected and arranged with the heat dissipation mechanism;
s2: the protection controller is connected with an environment monitoring assembly, external and internal environment changes are monitored in real time, the environment changes comprise humidity, temperature, smoke and wind power, and the environment monitoring assembly is used for feeding back environment information to enable the protection controller to work so as to switch modes of the switch cabinet;
s3: when the environment detection assembly detects that the external wind power is larger than a preset value and the humidity and the temperature are proper, a sealing layer (32) arranged on the component (3) relieves the sealing of the component (3), the filter layer (33) works, the sealing door (11) is opened, and when the temperature of the component (3) fed back by a temperature sensor of the heat dissipation mechanism is lower than a set value, the heat dissipation fan can be temporarily closed;
s4: the switch cabinet is cooled through S3 natural wind, when the environment detection assembly detects that any index of the environment does not meet the requirement, the protection controller reversely closes the switch cabinet, and a normal working mode of S1 is started to cool the switch cabinet through the cooling mechanism;
s5: when the water level sensor detects that the water level rises to the preset height, the protection controller controls the sealing layer (32) to seal the single component (3) and lift the component to the highest position, the raindrop sensor detects the rainfall at the same time, and when the numerical value of the rainfall reaches a set value, the side edge of the outer shell (1) and the top sealing door (11) are opened.
7. The outdoor intelligent rainproof heat-dissipation switch cabinet and the application method thereof according to claim 6, and is characterized in that: the switch cabinet working mode triggered by monitoring of the environment monitoring assembly and the temperature sensor on the heat dissipation mechanism in the S2 includes: the normal working and heat dissipation mode of S1, the natural wind energy-saving compensation heat dissipation mode of S3 and the lifting protection heat dissipation mode of S5 are switched under the control of the protection controller.
8. The outdoor intelligent rainproof heat-dissipation switch cabinet and the application method thereof according to claim 6, and is characterized in that: the filter layer (33) comprises a filter screen for filtering water vapor, dust and impurities in the air, and the cooling fan is closed relative to the sealing door (1) in a delayed mode.
9. The outdoor intelligent rainproof heat-dissipation switch cabinet and the application method thereof according to claim 6, and is characterized in that: after the components (3) in the S5 are lifted to the highest position, intervals for rainwater to flow are arranged between the components, and the heating elements in the switch cabinet are arranged close to the side edges and the top.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110555173.XA CN113224658B (en) | 2021-05-21 | 2021-05-21 | Application method of outdoor intelligent rainproof heat-dissipation switch cabinet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110555173.XA CN113224658B (en) | 2021-05-21 | 2021-05-21 | Application method of outdoor intelligent rainproof heat-dissipation switch cabinet |
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| CN113224658A true CN113224658A (en) | 2021-08-06 |
| CN113224658B CN113224658B (en) | 2022-06-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114447773A (en) * | 2021-12-30 | 2022-05-06 | 上海西屋成套设备有限公司 | Rainproof outdoor electrical switch cabinet |
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| CN114447773A (en) * | 2021-12-30 | 2022-05-06 | 上海西屋成套设备有限公司 | Rainproof outdoor electrical switch cabinet |
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| CN113224658B (en) | 2022-06-17 |
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