CN214545211U

CN214545211U - Automatic heat dissipation system of electrical equipment and electrical equipment using same

Info

Publication number: CN214545211U
Application number: CN202022743609.1U
Authority: CN
Inventors: 王爽; 赵东辉; 王茜; 吴登; 丛艳伟; 汪宁; 张敬涛; 刘良; 丰宇庭; 张罗锐; 桑永建; 柳俊岗; 薛莲
Original assignee: State Grid Corp of China SGCC; Pinggao Group Co Ltd; Tianjin Pinggao Intelligent Electric Co Ltd
Current assignee: State Grid Corp of China SGCC; Pinggao Group Co Ltd; Tianjin Pinggao Intelligent Electric Co Ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-10-29
Anticipated expiration: 2030-11-24

Abstract

The utility model provides an automatic cooling system of electrical equipment and use electrical equipment of this system, the automatic cooling system of electrical equipment includes: a blind window; a temperature sensor; a water immersion sensor; a controller; a fan; the shutter comprises a control device for controlling the opening or closing of the blades, and the control device is connected with the controller; the controller has a first working state that when the temperature in the cabinet body exceeds a set value and the water immersion sensor detects that the electrical equipment is rained, the blades are kept closed and the fan is controlled to be started, so that heat dissipation in the cabinet body is realized; the controller is also provided with a second working state for controlling the opening of the blades and the opening of the fan when the temperature in the cabinet body exceeds a set value and the water sensor detects that the equipment is not rained, so that ventilation and heat dissipation are realized; the controller still has and opens the back at the blade, and when the internal temperature of cabinet was less than the setting value or water sensor detected equipment and drenched rain, the third operating condition that the control blade was closed avoided the rainwater to get into inside the equipment, prevents the occurence of failure.

Description

Automatic heat dissipation system of electrical equipment and electrical equipment using same

Technical Field

The utility model relates to an electrical equipment heat dissipation technical field, concretely relates to automatic cooling system of electrical equipment and use electrical equipment of this system.

Background

The charging facility is a charging system which ensures that the electric automobile and a power grid can safely, reliably and economically provide electric energy, and is outdoor electrical equipment which realizes the interaction of the electric automobile and the power grid by taking a charging device as a carrier. The protection level (IP 54 and IP 55) of the shell in the charging equipment and the heat dissipation of the equipment form two contradictory and opposite technical difficulties, and on the premise that the protection level of the equipment is achieved, the problem of heat dissipation inside the equipment becomes a technical problem of safe and stable operation of the charging equipment.

At present, a heat dissipation system of outdoor electrical equipment generally adopts a cabinet door or a side wall of the cabinet body to install a shutter, a fan, a temperature sensor and a controller are arranged in the cabinet body, when the temperature sensor detects that the temperature in the cabinet body is higher than a set value, the fan is controlled to be opened by the controller to realize ventilation and heat dissipation, and when the temperature is lower than the set value, the fan is closed.

The prior heat dissipation system has the following problems in the use process: firstly, the blades of the existing shutter are generally fixed, that is, the shutter is in a normally open state, which affects the protection level of electrical equipment; secondly, start at the fan and carry out ventilation cooling's in-process, if meet heavy rain suddenly, the rainwater can get into inside the equipment from the gap of shutter blade, in case inside components and parts intake, will cause serious accident.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic heat dissipation system of electrical equipment, which aims to solve the problems that the shutter of the existing heat dissipation system is in a normally open state to influence the protection level of the electrical equipment, and simultaneously, when raining occurs in the ventilation and heat dissipation processes, rainwater can enter the electrical equipment from the shutter to cause accidents; an object of the utility model is also to provide an electrical equipment to solve current electrical equipment cooling system's shutter and be in the protection level that normally opens the state influence electrical equipment, when meetting rainy at the ventilation cooling in-process simultaneously, the rainwater can get into electrical equipment inside and lead to the problem of occurence of failure from the shutter.

In order to achieve the above object, the utility model provides an automatic cooling system of electrical equipment adopts following technical scheme:

automatic cooling system of electrical equipment includes:

the shutter is arranged on a door panel of the electrical equipment or a side wall of the cabinet body and comprises a rectangular frame and a plurality of blades installed in the rectangular frame;

the temperature sensor is used for being installed inside a cabinet body of the electrical equipment so as to detect the temperature inside the cabinet body;

the controller is arranged inside the cabinet body of the electrical equipment and connected with the temperature sensor to receive a detection signal of the temperature sensor;

the fan is arranged inside the cabinet body of the electrical equipment and connected with the controller so as to be controlled to be started by the controller when the temperature in the cabinet body exceeds a set value;

the shutter is an automatic shutter with blades capable of being automatically opened and closed, the shutter comprises a control device for controlling the blades to be opened or closed, the control device is connected with the controller, and when the electrical equipment normally runs, the control device enables the blades to be kept in a closed state;

the automatic cooling system of electrical equipment still includes:

the water sensor is used for being arranged on the electrical equipment to detect whether the electrical equipment is rained or not, and the water sensor is connected with the controller to transmit a detection signal to the controller;

the controller is provided with a first working state which controls the control device to keep the blades closed and simultaneously controls the fan to be opened when the temperature in the cabinet body exceeds a set value and the water immersion sensor detects that the electrical equipment is rained;

the controller is also provided with a second working state which controls the control device to act to open the blades and simultaneously controls the fan to be started when the temperature in the cabinet body exceeds a set value and the water immersion sensor detects that the electrical equipment is not rained;

the controller also has a third working state of controlling the control device to act to close the blades when the temperature in the cabinet body is lower than a set value or the water sensor detects that the electrical equipment is rained after the blades are opened.

The beneficial effects of the above technical scheme are that: the utility model provides a shutter is automatic shutter, and controlling means can open or close by the automatic control blade to when electrical equipment normal operating, controlling means makes the blade keep the closed condition, has just so guaranteed electrical equipment's protection level. In addition, the automatic heat dissipation system for the electrical equipment in the utility model also comprises a water sensor, and the controller has a plurality of working states, when the temperature in the cabinet body exceeds a set value, but the water sensor detects that the electrical equipment is rained, the controller controls the first working state that the control device keeps the blades closed and simultaneously controls the fan to be opened, so that the air in the cabinet body flows, the heat dissipation effect can be realized to a certain extent, and the blades are closed, so that rainwater can be prevented from entering the cabinet body, and accidents are avoided; the controller is also provided with a second working state which controls the control device to act to open the blades and simultaneously controls the fan to be started when the temperature in the cabinet body exceeds a set value and the water immersion sensor detects that the electrical equipment is not rained, so that better ventilation and heat dissipation effects are realized; the controller also has the back at the blade is opened, when the internal temperature of cabinet is less than the setting value or the water sensor detects electrical equipment when drenching with rain, control controlling means action is in order to close the third operating condition of blade, in case the heat dissipation is accomplished or external environment is rainy like this, and the blade all can be closed, avoids inside the rainwater entering equipment, prevents the occurence of failure.

Furthermore, in order to facilitate the automatic opening and closing of the blades and the configuration of the control device, mounting shafts which correspond to the blades one to one and are used for mounting the blades are arranged on a rectangular frame of the louver, the blades are hinged on the mounting shafts or the mounting shafts are rotatably mounted on the rectangular frame and fixed on the mounting shafts, so that the blades can rotate around the axis of the mounting shafts; the control device comprises a direct-acting power mechanism which is fixed on the rectangular frame or used for being fixed on the electrical equipment, the direct-acting power mechanism comprises a piston rod, the control device also comprises a control switch which is used for controlling the piston rod of the direct-acting power mechanism to move up and down, and the control switch is connected with the controller; the connecting rod which synchronously moves up and down along with the piston rod is fixedly connected to the piston rod, the direct-acting power mechanism and the connecting rod are arranged on one side of each blade, a driving plate is arranged at one end, close to the connecting rod, of each blade, a driving shaft which corresponds to each driving plate in a one-to-one mode is arranged on each connecting rod, each driving shaft penetrates through each driving plate, a through hole through which each driving shaft penetrates is formed in each driving plate, each through hole is an arc-shaped long hole, so that when the connecting rods move upwards, the driving plates are driven by the driving shafts to rotate upwards, the blades are opened, and when the connecting rods move downwards, the driving plates are driven by the driving shafts to rotate downwards, and then the blades are closed.

Further, for the isolated effect after convenient installation of blade and closing, the installation axle is fixed on rectangular frame, the blade includes fixed blade and movable blade, and movable blade articulates on the installation axle, the drive plate is connected on movable blade to make movable blade have and open and close two kinds of operating condition, fixed blade fixes on the installation axle, and fixed blade and the hookup location of installation axle and the hookup location of movable blade and installation axle stagger along the extending direction of installation axle and arrange, and each movable blade lies in same vertical plane when being in closed condition, and two adjacent movable blade have the interval in the up-down direction, fixed blade shutoff the interval.

Furthermore, in order to facilitate the formation of the driving plate, the driving plate is integrally formed by bending the end part of the blade.

Furthermore, in order to facilitate the control of the water sensor, the temperature sensor, the controller and the control switch on the blades, the control switch comprises a first control switch and a second control switch, the first control switch and the second control switch are both travel switches, when the first control switch is closed, the first control switch is used for controlling a piston rod of the direct-acting power mechanism to move upwards to open the blades, and when the second control switch is closed, the second control switch is used for controlling the piston rod of the direct-acting power mechanism to move downwards to close the blades; the first control switch is arranged at a position close to the blade so as to be touched by the blade to be in a closed state when the blade is closed to the proper position, and the second control switch is arranged above the piston rod or the connecting rod so as to be touched by the piston rod or the connecting rod to be in the closed state when the blade is opened to the proper position; the water sensors comprise a first water sensor and a second water sensor, and the temperature sensors comprise a first temperature sensor and a second temperature sensor; the automatic heat dissipation system of the electrical equipment further comprises a first water immersion switch, a second water immersion switch, a first temperature switch and a second temperature switch which are connected with the controller, wherein a detection signal of the first water immersion sensor is used for controlling the on or off of the first water immersion switch, a detection signal of the first temperature sensor is used for controlling the on or off of the first temperature switch, a detection signal of the second water immersion sensor is used for controlling the on or off of the second water immersion switch, and a detection signal of the second temperature sensor is used for controlling the on or off of the second temperature switch; the first water immersion switch and the first temperature switch are connected with the first control switch in series, the second water immersion switch is connected with the second control switch in series, the second temperature switch is also connected with the second control switch in series, and the second water immersion switch and the second temperature switch are connected in parallel.

Furthermore, in order to facilitate the control of the water sensor, the temperature sensor, the controller and the control device on the blades, the control device comprises a control switch for controlling the blades to be opened or closed, the control switch comprises a first control switch and a second control switch, the first control switch and the second control switch are both travel switches, the blades are opened when the first control switch is closed, the first control switch is touched to be in a closed state when the blades are closed in place, the blades are closed when the second control switch is closed, and the second control switch is touched to be in a closed state when the blades are opened in place; the water sensors comprise a first water sensor and a second water sensor, and the temperature sensors comprise a first temperature sensor and a second temperature sensor; the automatic heat dissipation system of the electrical equipment further comprises a first water immersion switch, a second water immersion switch, a first temperature switch and a second temperature switch which are connected with the controller, wherein a detection signal of the first water immersion sensor is used for controlling the on or off of the first water immersion switch, a detection signal of the first temperature sensor is used for controlling the on or off of the first temperature switch, a detection signal of the second water immersion sensor is used for controlling the on or off of the second water immersion switch, and a detection signal of the second temperature sensor is used for controlling the on or off of the second temperature switch; the first water immersion switch and the first temperature switch are connected with the first control switch in series, the second water immersion switch is connected with the second control switch in series, the second temperature switch is also connected with the second control switch in series, and the second water immersion switch and the second temperature switch are connected in parallel.

In order to achieve the above object, the utility model provides an electrical equipment adopts following technical scheme:

electrical equipment, including the cabinet body and install the door plant on the cabinet body, the cabinet body includes the lateral wall, and electrical equipment still includes automatic cooling system, and automatic cooling system includes:

the shutter is arranged on a door panel of the electrical equipment or the side wall of the cabinet body and comprises a rectangular frame and a plurality of blades arranged in the rectangular frame;

the temperature sensor is arranged inside the cabinet body of the electrical equipment to detect the temperature inside the cabinet body;

the controller is arranged inside the cabinet body of the electrical equipment and is connected with the temperature sensor so as to receive a detection signal of the temperature sensor;

the automatic heat dissipation system further comprises:

the water sensor is arranged on the electrical equipment to detect whether the electrical equipment is rained or not, and is connected with the controller to transmit a detection signal to the controller;

The beneficial effects of the above technical scheme are that: the utility model provides a shutter is automatic shutter, and controlling means can open or close by the automatic control blade to when electrical equipment normal operating, controlling means makes the blade keep the closed condition, has just so guaranteed electrical equipment's protection level. In addition, the automatic heat dissipation system also comprises a water sensor, the controller has a plurality of working states, the controller has a first working state that when the temperature in the cabinet body exceeds a set value and the water sensor detects that the electrical equipment is rained, the controller controls the control device to keep the blades closed and simultaneously controls the fan to be opened, so that air flow in the cabinet body is realized, the heat dissipation effect can be realized to a certain extent, and the blades are closed, so that rainwater can be prevented from entering the cabinet body, and accidents are avoided; the controller is also provided with a second working state which controls the control device to act to open the blades and simultaneously controls the fan to be started when the temperature in the cabinet body exceeds a set value and the water immersion sensor detects that the electrical equipment is not rained, so that better ventilation and heat dissipation effects are realized; the controller also has the back at the blade is opened, when the internal temperature of cabinet is less than the setting value or the water sensor detects electrical equipment when drenching with rain, control controlling means action is in order to close the third operating condition of blade, in case the heat dissipation is accomplished or external environment is rainy like this, and the blade all can be closed, avoids inside the rainwater entering equipment, prevents the occurence of failure.

Furthermore, in order to facilitate the automatic opening and closing of the blades and the configuration of the control device, mounting shafts which correspond to the blades one to one and are used for mounting the blades are arranged on a rectangular frame of the louver, the blades are hinged on the mounting shafts or the mounting shafts are rotatably mounted on the rectangular frame and fixed on the mounting shafts, so that the blades can rotate around the axis of the mounting shafts; the control device comprises a direct-acting power mechanism fixed on the rectangular frame or on the electrical equipment, the direct-acting power mechanism comprises a piston rod, the control device also comprises a control switch used for controlling the piston rod of the direct-acting power mechanism to move up and down, and the control switch is connected with the controller; the connecting rod which synchronously moves up and down along with the piston rod is fixedly connected to the piston rod, the direct-acting power mechanism and the connecting rod are arranged on one side of each blade, a driving plate is arranged at one end, close to the connecting rod, of each blade, a driving shaft which corresponds to each driving plate in a one-to-one mode is arranged on each connecting rod, each driving shaft penetrates through each driving plate, a through hole through which each driving shaft penetrates is formed in each driving plate, each through hole is an arc-shaped long hole, so that when the connecting rods move upwards, the driving plates are driven by the driving shafts to rotate upwards, the blades are opened, and when the connecting rods move downwards, the driving plates are driven by the driving shafts to rotate downwards, and then the blades are closed.

Furthermore, in order to facilitate the control of the water sensor, the temperature sensor, the controller and the control switch on the blades, the control switch comprises a first control switch and a second control switch, the first control switch and the second control switch are both travel switches, when the first control switch is closed, the first control switch is used for controlling a piston rod of the direct-acting power mechanism to move upwards to open the blades, and when the second control switch is closed, the second control switch is used for controlling the piston rod of the direct-acting power mechanism to move downwards to close the blades; the first control switch is arranged at a position close to the blade so as to be touched by the blade to be in a closed state when the blade is closed to the proper position, and the second control switch is arranged above the piston rod or the connecting rod so as to be touched by the piston rod or the connecting rod to be in the closed state when the blade is opened to the proper position; the water sensors comprise a first water sensor and a second water sensor, and the temperature sensors comprise a first temperature sensor and a second temperature sensor; the automatic heat dissipation system further comprises a first water immersion switch, a second water immersion switch, a first temperature switch and a second temperature switch which are connected with the controller, wherein a detection signal of the first water immersion sensor is used for controlling the on or off of the first water immersion switch, a detection signal of the first temperature sensor is used for controlling the on or off of the first temperature switch, a detection signal of the second water immersion sensor is used for controlling the on or off of the second water immersion switch, and a detection signal of the second temperature sensor is used for controlling the on or off of the second temperature switch; the first water immersion switch and the first temperature switch are connected with the first control switch in series, the second water immersion switch is connected with the second control switch in series, the second temperature switch is also connected with the second control switch in series, and the second water immersion switch and the second temperature switch are connected in parallel.

Furthermore, in order to facilitate the control of the water sensor, the temperature sensor, the controller and the control device on the blades, the control device comprises a control switch for controlling the blades to be opened or closed, the control switch comprises a first control switch and a second control switch, the first control switch and the second control switch are both travel switches, the blades are opened when the first control switch is closed, the first control switch is touched to be in a closed state when the blades are closed in place, the blades are closed when the second control switch is closed, and the second control switch is touched to be in a closed state when the blades are opened in place; the water sensors comprise a first water sensor and a second water sensor, and the temperature sensors comprise a first temperature sensor and a second temperature sensor; the automatic heat dissipation system further comprises a first water immersion switch, a second water immersion switch, a first temperature switch and a second temperature switch which are connected with the controller, wherein a detection signal of the first water immersion sensor is used for controlling the on or off of the first water immersion switch, a detection signal of the first temperature sensor is used for controlling the on or off of the first temperature switch, a detection signal of the second water immersion sensor is used for controlling the on or off of the second water immersion switch, and a detection signal of the second temperature sensor is used for controlling the on or off of the second temperature switch; the first water immersion switch and the first temperature switch are connected with the first control switch in series, the second water immersion switch is connected with the second control switch in series, the second temperature switch is also connected with the second control switch in series, and the second water immersion switch and the second temperature switch are connected in parallel.

Drawings

Fig. 1 is a front view of an electrical apparatus of the present invention;

fig. 2 is a front view of the automatic heat dissipation system in the electrical apparatus of the present invention (the blades are in a closed state);

FIG. 3 is an enlarged view of a portion of FIG. 2;

fig. 4 is a side view of the automatic heat dissipation system in the electrical apparatus of the present invention (the blades are in a closed state);

FIG. 5 is an enlarged view of a portion of FIG. 4;

fig. 6 is a front view of the automatic heat dissipation system in the electrical apparatus of the present invention (the blades are in an open state);

FIG. 7 is an enlarged view of a portion of FIG. 6;

fig. 8 is a side view of the automatic heat dissipation system of the electrical apparatus of the present invention (with the blades in an open state);

FIG. 9 is an enlarged view of a portion of FIG. 8;

fig. 10 is a control schematic diagram of an automatic heat dissipation system in an electrical device according to the present invention.

In the figure: 1-a cabinet body; 2-door panel; 3-a shutter; 31-mounting shaft; 32-stationary vanes; 33-a movable blade; 34-a drive plate; 4-an electric hydraulic push rod; 41-a piston rod; 5-a connecting rod; 51-a main rod; 52-branch strut; 6-a drive shaft; 7-a first control switch; 8-a second control switch; 9-a first water immersion switch; 10-a second water immersion switch; 11-a first temperature switch; 12-a second temperature switch; 13-a first water sensor; 14-a second water sensor; 15-a first temperature sensor; 16-a second temperature sensor; 17-a fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The features and properties of the present invention are described in further detail below with reference to examples.

The utility model provides an electrical equipment is outdoor electrical equipment, specifically can be electric automobile charging device, also can be box-type substation, and electrical equipment's structure is as shown in fig. 1, including the cabinet body 1 with install door plant 2 on the cabinet body 1, the cabinet body 1 is including controlling lateral wall and back lateral wall.

The electrical equipment further comprises an automatic heat dissipation system, the automatic heat dissipation system comprises a louver 3 fixedly arranged on the door panel 2, and as shown in fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 9, the louver 3 comprises a rectangular frame (not shown in the figure) and a plurality of blades arranged in the rectangular frame, the rectangular frame is fixed on the door panel 2, mounting shafts 31 which correspond to the blades one to one and are used for mounting the blades are fixed on the rectangular frame, the blades comprise fixed blades 32 and movable blades 33, the movable blades 33 are hinged on the mounting shafts 31 and can rotate around the axis of the mounting shafts 31, the end part of each movable blade 33 is integrally bent to form a driving plate 34, the driving plate 34 is perpendicular to the movable blades 33, and the driving plate 34 is provided with an arc-shaped long hole, as shown in fig. 5 and fig. 9.

The fixed blade 32 is fixed to the mounting shaft 31, and as shown in fig. 3 and 7, the coupling position of the fixed blade 32 to the mounting shaft 31 and the coupling position of the movable blade 33 to the mounting shaft 31 are arranged to be shifted in the extending direction of the mounting shaft 31, similar to the structure of a hinge.

The louver 3 is an automatic louver in which the movable blades 33 can be automatically opened and closed, the louver 3 includes a control device for controlling the movable blades 33 to be opened or closed, the automatic heat dissipation system further includes a controller (not shown in the figures) arranged inside the cabinet 1, the control device is connected with the controller, and when the electrical equipment normally operates, the control device keeps the movable blades 33 in a closed state.

Specifically, the control device includes a direct-acting power mechanism fixed on the rectangular frame of the louver 3, the direct-acting power mechanism in this embodiment is an electric hydraulic push rod 4, and the electric hydraulic push rod 4 includes a piston rod 41. The piston rod 41 is fixedly connected with a connecting rod 5 which synchronously moves up and down along with the piston rod 41, and the electric hydraulic push rod 4 and the connecting rod 5 are arranged on one side of the blade and are close to the driving plate 34.

As shown in fig. 4, 5, 8 and 9, the connecting rod 5 is comb-shaped, and includes a main rod 51 extending vertically and a plurality of branch rods 52 vertically connected to the main rod 51 and arranged at intervals vertically, each branch rod 52 is provided with a driving shaft 6, the driving shafts 6 correspond to the driving plates 34 one by one, the driving shafts 6 pass through the driving plates 34, and the through holes through which the driving shafts 6 pass on the driving plates 34 are the arc-shaped long holes. Therefore, when the connecting rod 5 moves upwards, the driving plate 34 is driven by the driving shaft 6 to rotate upwards, so that the movable blade 33 can be opened, as shown in fig. 9; when the connecting rod 5 moves downwards, the driving shaft 6 drives the driving plate 34 to rotate downwards, so that the movable blades 33 can be closed, as shown in fig. 5, and each movable blade 33 is located in the same vertical plane when in a closed state, two adjacent movable blades 33 have a gap in the up-down direction, and the fixed blade 32 just blocks the gap to ensure a relatively good isolation effect.

The control device also comprises a control switch for controlling the piston rod 41 of the electric hydraulic push rod 4 to move up and down, and the control switch is connected with the controller. The control switch comprises a first control switch 7 and a second control switch 8, both the first control switch 7 and the second control switch 8 are travel switches, and as shown in fig. 10, when the first control switch 7 is closed, the piston rod 41 of the electric hydraulic push rod 4 is controlled to move upwards to open the movable vane 33, and when the second control switch 8 is closed, the piston rod 41 of the electric hydraulic push rod 4 is controlled to move downwards to close the movable vane 33.

As shown in fig. 4, 5, 6, 7, 8 and 9 in combination, the first control switch 7 is disposed at a position close to the movable blade 33 to be touched by the movable blade 33 in a closed state when the movable blade 33 is closed in place; the second control switch 8 is provided above the piston rod 41 to be touched by the piston rod 41 in a closed state when the movable vane 33 is opened in position.

The automatic cooling system further comprises a temperature sensor arranged inside the cabinet body 1, the temperature sensor is used for detecting the temperature inside the cabinet body, and the controller is connected with the temperature sensor to receive a detection signal of the temperature sensor. As shown in fig. 10, the temperature sensors include a first temperature sensor 15 and a second temperature sensor 16, the automatic heat dissipation system further includes a first temperature switch 11 and a second temperature switch 12 connected to the controller, a detection signal of the first temperature sensor 15 is used to control the first temperature switch 11 to be turned on or off, and a detection signal of the second temperature sensor 16 is used to control the second temperature switch 12 to be turned on or off.

As shown in fig. 10, the automatic heat dissipation system further includes a fan 17 disposed inside the cabinet 1, and the fan 17 is connected to the controller, so that the controller controls the fan to be turned on when the temperature inside the cabinet exceeds a set value.

The automatic heat dissipation system further comprises a water sensor installed on the electrical equipment, the water sensor is used for detecting whether the electrical equipment is rained, and the water sensor is connected with the controller so as to transmit a detection signal to the controller. As shown in fig. 10, the water sensors include a first water sensor 13 and a second water sensor 14, the automatic heat dissipation system further includes a first water sensor switch 9 and a second water sensor switch 10 connected to the controller, a detection signal of the first water sensor 13 is used to control the first water sensor switch 9 to be turned on or off, and a detection signal of the second water sensor 14 is used to control the second water sensor switch 10 to be turned on or off.

As shown in fig. 10, the first water immersion switch 9 and the first temperature switch 11 are connected in series with the first control switch 7 to form a first control circuit for controlling the operation (the rising of the piston rod 41) of the electro-hydraulic push rod 4; the second water immersion switch 10 and the second temperature switch 12 are connected in parallel, the second water immersion switch 10 is connected in series with the second control switch 8, and the second temperature switch 12 is also connected in series with the second control switch 8 to respectively form a second control circuit for controlling the action (descending of the piston rod 41) of the electric hydraulic push rod 4.

Through the setting, make the utility model provides a controller has multiple operating condition, at first when electrical equipment normal operating, the blade of shutter is in the closed condition, and as shown in fig. 5, because the conflict of movable vane 33, first control switch 7 is in the closed condition, but as shown in fig. 10, because first temperature sensor 15 detects the inside temperature of equipment this moment and is less than set value 25 ℃, consequently first temperature switch 11 is in the off-state, the first control circuit of controlling the action of electronic hydraulic push rod 4 like this is the disconnection in fact, piston rod 41 can not rise, consequently the blade of shutter keeps in the closed condition, has guaranteed electrical equipment's protection level.

Next, the controller has a first operating state in which when the temperature in the cabinet 1 exceeds 25 ℃ and the first water sensor 13 detects that the electrical equipment is rained, the first water switch 9 is controlled to be turned on and the fan 17 is controlled to be turned on. Although the first temperature sensor 15 detects that the temperature inside the equipment exceeds 25 ℃, the controller can control the first temperature switch 11 to be closed, the first water immersion switch 9 is opened, which means that the first control circuit for controlling the action of the electric hydraulic push rod 4 is still disconnected, the piston rod 41 cannot rise, therefore, the blades of the louver are kept in a closed state, at the moment, the air flow inside the cabinet body is realized, the heat dissipation effect can be realized to a certain extent, and the blades are closed, rainwater can be prevented from entering the cabinet body, and accidents are avoided.

Moreover, the controller also has a second working state that when the temperature in the cabinet body exceeds 25 ℃ and the first water sensor 13 detects that the electrical equipment is not rained, the electric hydraulic push rod 4 is controlled to act to open the blades and simultaneously the fan 17 is controlled to be started. When the first temperature sensor 15 detects that the internal temperature of the equipment exceeds 25 ℃, the controller controls the first temperature switch 11 to be closed, and when the first water sensor 13 detects that the electrical equipment is not rained, the controller controls the first water immersion switch 9 to be closed, and in addition, the first control switch 7 is closed originally, so that a first control circuit for controlling the action of the electric hydraulic push rod 4 is conducted, the piston rod 41 moves upwards, the movable blade 33 is opened, and at the moment, a good ventilation and heat dissipation effect can be realized.

When the movable blade 33 is opened, the first control switch 7 is reset to the off state by losing the contact with the movable blade. After the movable blade 33 is opened to a certain position, the piston rod 41 touches the second control switch 8 to enable the second control switch to be in a closed state, but at the moment, the second water immersion switch 10 and the second temperature switch 12 are both in an open state, so that a second control circuit for controlling the action of the electric hydraulic push rod 4 is open, and the piston rod 41 cannot descend, so that ventilation and heat dissipation are realized.

In addition, the controller also has a third working state of controlling the action of the electric hydraulic push rod 4 to close the blades when the temperature in the cabinet body is lower than 25 ℃ or the second water sensor 14 detects that the electrical equipment is rained after the blades are opened. When the second temperature sensor 16 detects that the internal temperature of the device is lower than 25 ℃, which indicates that the heat dissipation is completed, the controller controls the second temperature switch 12 to be closed, at this time, the second control circuit for controlling the action of the electric hydraulic push rod 4 is turned on, the piston rod 41 moves downwards, and the movable blade 33 is closed. Or, if the external environment rains in the ventilation and heat dissipation process, the second water sensor 14 detects that the electrical equipment rains, the controller controls the second water switch 10 to be closed, the second control circuit for controlling the action of the electric hydraulic push rod 4 is also switched on, the piston rod 41 moves downwards, the movable blade 33 is closed, and therefore rainwater is prevented from entering the equipment, and accidents are prevented.

During the closing process of the movable vane 33, the second control switch 8 is reset to be in the off state after losing the interference of the piston rod 41. After the movable blade 33 is closed in place, the first control switch 7 is touched to be in the closed state again, and the next time the movable blade 33 is opened, the opening is ready.

In other embodiments of the electrical device, the set temperature detected by the temperature sensor is not 25 ℃, and can be adjusted according to the heat dissipation requirement of the device.

In other embodiments of the electrical apparatus, the direct-acting power mechanism may also be a hydraulic cylinder, an air cylinder or an electric push rod.

In other embodiments of the electrical apparatus, the driving plate may be a separate component separately fixed to the blade, and is not integrally formed by bending.

In other embodiments of the electrical apparatus, the control device for controlling the opening or closing of the blades may not be in the form of a direct-acting power mechanism + a connecting rod + a driving shaft + a driving plate, for example, a gear structure may be provided at an end of each movable blade, the control device includes a motor, one of a first control switch and a second control switch controls the forward rotation of the motor, and the other controls the reverse rotation of the motor, and at this time, a first temperature sensor, a second temperature sensor, a first water sensor, a second water sensor, a first water switch, a second water switch, a first temperature switch and a second temperature switch are still provided, the control between the two temperature sensors and the two temperature switches, and the control between the two water sensors and the two water switches, and the connection between the above switches is the same as the above embodiments, except that a driving gear is installed on an output shaft of the motor, the control device comprises a rack which is in meshing transmission with the driving gear, the rack is meshed with the gear structure at the end part of each blade simultaneously, and therefore the rack can be controlled to move up and down through the motor, the gear structure at the end part of each blade is driven to rotate, the rotation of the blades is achieved, and the opening or the closing is completed.

In other embodiments of the electrical apparatus, the fixed blades may not be provided, and all the blades are movable blades, and at this time, in order to ensure the isolation effect, when the blades are in the closed state, there is a certain overlap.

In other embodiments of the electrical equipment, only one temperature sensor and one water sensor can be arranged, meanwhile, the control device only comprises one control switch, the control switch is connected with the controller and independently controls the control device, the control switch can enable the control device to open the blades and enable the control device to close the blades, and the control switch can enable the blades to keep closed when the equipment normally runs; when the temperature sensor detects that the temperature exceeds a set value but the water immersion sensor detects that the electrical equipment is rained, the state of the control switch is unchanged, the blades are kept closed, and only the fan is started; when the temperature sensor detects that the temperature exceeds a set value and the water immersion sensor detects that the electrical equipment is not rained, the controller changes the state of the control switch, and the control switch enables the control device to act to open the blades to realize ventilation and heat dissipation; when the temperature sensor detects that the temperature is lower than a set value or the water immersion sensor detects that the electrical equipment is rained, the controller changes the state of the control switch, and the control switch enables the control device to act to close the blades, so that rainwater is prevented from entering the equipment.

The utility model discloses the embodiment of the automatic cooling system of well electrical equipment does: the automatic heat dissipation system of the electrical equipment is the same as the automatic heat dissipation system in the above embodiment of the electrical equipment, and will not be repeated here.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.

Claims

1. Automatic cooling system of electrical equipment includes:

it is characterized in that the preparation method is characterized in that,

the automatic cooling system of electrical equipment still includes:

2. The automatic heat dissipation system for electrical equipment according to claim 1, wherein the rectangular frame of the louver is provided with mounting shafts corresponding to the blades one to one for mounting the blades, the blades are hinged on the mounting shafts or the mounting shafts are rotatably mounted on the rectangular frame and the blades are fixed on the mounting shafts, so that the blades can rotate around the axis of the mounting shafts; the control device comprises a direct-acting power mechanism which is fixed on the rectangular frame or used for being fixed on the electrical equipment, the direct-acting power mechanism comprises a piston rod, the control device also comprises a control switch which is used for controlling the piston rod of the direct-acting power mechanism to move up and down, and the control switch is connected with the controller; the connecting rod which synchronously moves up and down along with the piston rod is fixedly connected to the piston rod, the direct-acting power mechanism and the connecting rod are arranged on one side of each blade, a driving plate is arranged at one end, close to the connecting rod, of each blade, a driving shaft which corresponds to each driving plate in a one-to-one mode is arranged on each connecting rod, each driving shaft penetrates through each driving plate, a through hole through which each driving shaft penetrates is formed in each driving plate, each through hole is an arc-shaped long hole, so that when the connecting rods move upwards, the driving plates are driven by the driving shafts to rotate upwards, the blades are opened, and when the connecting rods move downwards, the driving plates are driven by the driving shafts to rotate downwards, and then the blades are closed.

3. The automatic heat dissipation system for electrical equipment according to claim 2, wherein the mounting shaft is fixed to a rectangular frame, the blades include fixed blades and movable blades, the movable blades are hinged to the mounting shaft, the driving plate is connected to the movable blades so that the movable blades have two working states of opening and closing, the fixed blades are fixed to the mounting shaft, the connection positions of the fixed blades and the mounting shaft and the connection positions of the movable blades and the mounting shaft are staggered along the extending direction of the mounting shaft, each movable blade is located in the same vertical plane when in the closed state, and two adjacent movable blades have a gap in the up-down direction, and the fixed blades block the gap.

4. The automatic heat dissipation system for electrical equipment according to claim 2 or 3, wherein the driving plate is integrally formed by bending an end of the blade.

5. The automatic heat dissipation system of the electrical equipment as claimed in claim 2 or 3, wherein the control switch comprises a first control switch and a second control switch, the first control switch and the second control switch are both travel switches, when the first control switch is closed, the first control switch is used for controlling a piston rod of the linear motion power mechanism to move upwards to open the blade, and when the second control switch is closed, the second control switch is used for controlling the piston rod of the linear motion power mechanism to move downwards to close the blade; the first control switch is arranged at a position close to the blade so as to be touched by the blade to be in a closed state when the blade is closed to the proper position, and the second control switch is arranged above the piston rod or the connecting rod so as to be touched by the piston rod or the connecting rod to be in the closed state when the blade is opened to the proper position; the water sensors comprise a first water sensor and a second water sensor, and the temperature sensors comprise a first temperature sensor and a second temperature sensor; the automatic heat dissipation system of the electrical equipment further comprises a first water immersion switch, a second water immersion switch, a first temperature switch and a second temperature switch which are connected with the controller, wherein a detection signal of the first water immersion sensor is used for controlling the on or off of the first water immersion switch, a detection signal of the first temperature sensor is used for controlling the on or off of the first temperature switch, a detection signal of the second water immersion sensor is used for controlling the on or off of the second water immersion switch, and a detection signal of the second temperature sensor is used for controlling the on or off of the second temperature switch; the first water immersion switch and the first temperature switch are connected with the first control switch in series, the second water immersion switch is connected with the second control switch in series, the second temperature switch is also connected with the second control switch in series, and the second water immersion switch and the second temperature switch are connected in parallel.

6. The automatic heat dissipation system for the electrical equipment as claimed in claim 1, wherein the control device comprises a control switch for controlling the opening or closing of the blade, the control switch comprises a first control switch and a second control switch, the first control switch and the second control switch are both travel switches, the first control switch controls the opening of the blade when closed, the first control switch is touched to be in a closed state when the blade is closed in place, the second control switch controls the closing of the blade when closed, and the second control switch is touched to be in a closed state when the blade is opened in place; the water sensors comprise a first water sensor and a second water sensor, and the temperature sensors comprise a first temperature sensor and a second temperature sensor; the automatic heat dissipation system of the electrical equipment further comprises a first water immersion switch, a second water immersion switch, a first temperature switch and a second temperature switch which are connected with the controller, wherein a detection signal of the first water immersion sensor is used for controlling the on or off of the first water immersion switch, a detection signal of the first temperature sensor is used for controlling the on or off of the first temperature switch, a detection signal of the second water immersion sensor is used for controlling the on or off of the second water immersion switch, and a detection signal of the second temperature sensor is used for controlling the on or off of the second temperature switch; the first water immersion switch and the first temperature switch are connected with the first control switch in series, the second water immersion switch is connected with the second control switch in series, the second temperature switch is also connected with the second control switch in series, and the second water immersion switch and the second temperature switch are connected in parallel.

7. The electrical equipment comprises a cabinet body and a door plate installed on the cabinet body, wherein the cabinet body comprises a side wall, and the electrical equipment further comprises an automatic heat dissipation system, and the automatic heat dissipation system is characterized by being the same as the automatic heat dissipation system of the electrical equipment as claimed in any one of claims 1 to 6.