CN218072267U

CN218072267U - Built-in heat dissipation device of control cabinet

Info

Publication number: CN218072267U
Application number: CN202221763645.7U
Authority: CN
Inventors: 何波
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-07
Filing date: 2022-07-07
Publication date: 2022-12-16
Anticipated expiration: 2032-07-07

Abstract

The utility model belongs to the cooling device field of automatic system control cabinet especially relates to a built-in heat abstractor of switch board. The technology includes a first cooling fan, the first cooling fan is arranged in the control cabinet, a straight line module is installed on the inner side wall of the control cabinet, the first cooling fan is installed on the straight line module, and the straight line module is used for driving the first cooling fan to lift in the control cabinet along the vertical direction. The heat dissipation device is installed inside a control cabinet of a computer automation system, when heat is required to be dissipated inside the control cabinet, the linear module is used for driving the first heat dissipation fan to move in the control cabinet in a reciprocating mode in the vertical direction, the first heat dissipation fan continuously blows air in the moving process, the blowing range of the first heat dissipation fan in the control cabinet can be enlarged, the air flow inside the control cabinet can be enhanced, and the heat dissipation effect of electronic components and integrated circuits inside the control cabinet is improved.

Description

Built-in heat dissipation device of control cabinet

Technical Field

The utility model belongs to automatic system control cabinet heat dissipation field especially relates to a built-in heat abstractor of switch board.

Background

The computer automation system mainly comprises a hardware system and a software system, wherein the hardware system mainly comprises computer hardware (such as an industrial control computer), communication network equipment (such as a network switch, a communication connector, a network bridge and the like) and automation equipment (such as a PLC, a contactor, a relay and the like), the hardware system is generally integrally installed in a control cabinet, a plurality of electronic components and integrated circuits which form the hardware system are integrally installed in the control cabinet, the electronic components and the integrated circuits can generate a large amount of heat when running, and the fluency of the computer automation system can be influenced if the heat in the control cabinet cannot be dissipated; therefore, a heat dissipation device is generally disposed in the control cabinet to promote heat dissipation.

The common heat dissipation device inside the control cabinet is a heat dissipation fan, and the heat dissipation fan is usually installed at an air inlet or an air outlet of the control cabinet to promote circulation of air inside and outside the control cabinet and enhance heat dissipation. However, the effect of heat dissipation by installing a heat dissipation fan at the air inlet or the air outlet is limited, the heat dissipation of the part blown by the heat dissipation fan is fast, but the heat dissipation of the part not blown by the heat dissipation fan is obviously slower, which is much slower than that of a fan blowing the body in a room, the air flow of the peripheral area of the body is promoted when the fan blows the body directly, people feel very cool, and when the fan does not blow the body, the air flow of the peripheral area of the body is slow, and people feel hot; therefore, at the air intake of switch board or the installation radiator fan of air outlet department, radiator fan's rigidity, the use limitation is big, and the air mobility of the internal local position department of cabinet is relatively poor, leads to the internal electronic components of this local position department of cabinet or integrated circuit's radiating effect relatively poor easily.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the built-in heat dissipation device of the control cabinet is provided, the heat dissipation fan capable of lifting and moving is arranged in the control cabinet, the blowing range of the heat dissipation fan is enlarged, air flow in the control cabinet is enhanced, and the heat dissipation effect of electronic components and integrated circuits is improved.

The built-in heat dissipation device of the control cabinet comprises a first heat dissipation fan, the first heat dissipation fan is arranged in the control cabinet, a linear module is installed on the inner side wall of the control cabinet, the first heat dissipation fan is installed on the linear module, and the linear module is used for driving the first heat dissipation fan to lift in the control cabinet along the vertical direction.

Furthermore, the control cabinet comprises a cabinet body and a cabinet door, and the linear module is installed on the inner side wall of the cabinet door.

Further, the linear module comprises a linear guide rail, the linear guide rail is fixedly installed on the inner side wall of the cabinet door, the linear guide rail extends along the vertical direction, a sliding block is connected onto the linear guide rail in a sliding mode, and the first cooling fan is fixedly installed on the sliding block; one side of linear guide is provided with from driving wheel and action wheel, and the axis from the driving wheel is located same vertical face with the axis of action wheel, all rotates from driving wheel and action wheel through the bearing and installs in the inside wall of cabinet door, is connected through the conveyer belt transmission between follow driving wheel and the action wheel, and the inside wall fixed mounting of cabinet door has the motor, and the action wheel is connected with the pivot transmission of motor, is connected through the connecting piece between slider and the conveyer belt.

Further, first proximity switch is installed at linear guide's top, and second proximity switch is installed to its bottom, and the PLC controller is installed to the inside wall of cabinet door, and first radiator fan, motor, first proximity switch and second proximity switch all are connected with the PLC controller electricity.

Furthermore, a temperature sensor is installed on the inner side wall of the cabinet door and is electrically connected with the PLC.

Furthermore, a second cooling fan is installed at the air inlet or the air outlet of the cabinet body.

Compared with the prior art, the utility model discloses following beneficial effect has:

the heat dissipation device is suitable for heat dissipation inside a control cabinet of a computer automation system, is installed inside the control cabinet of the computer automation system, and when heat dissipation is needed inside the control cabinet, the linear module is utilized to drive the first heat dissipation fan to reciprocate inside the control cabinet along the vertical direction, and the first heat dissipation fan continuously blows air in the moving process, so that the purging range of the first heat dissipation fan inside the control cabinet can be enlarged, the air flow inside the control cabinet can be enhanced, and the heat dissipation effects of electronic components and integrated circuits inside the control cabinet can be improved; in addition, the heat dissipation device is also suitable for heat dissipation in control cabinets (such as a numerical control cabinet, a server control cabinet and the like) in other required fields.

Drawings

FIG. 1 is a front view of a control cabinet with a built-in heat sink;

FIG. 2 is a schematic structural diagram of a heat dissipation device inside a control cabinet;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

FIG. 4 is an enlarged view of a portion of the structure at B in FIG. 2;

names of components in the drawings: 1. the cabinet comprises a cabinet body 2, a cabinet door 3, a lock catch 4, a handle 5, a driven wheel 6, a first proximity switch 7, a conveyor belt 8, a linear guide rail 9, a sliding block 10, a temperature sensor 11, a PLC (programmable logic controller) 12, a first cooling fan 13, a second proximity switch 14, a motor 15, an air inlet 16, a first dust screen 17, a driving wheel 18, an air outlet 19, a second dust screen 20, a second cooling fan 21, a partition plate 22 and a connecting piece.

Detailed Description

The present invention is further described with reference to the following embodiments, which are not intended to limit the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Example 1

The built-in heat dissipation device of the control cabinet in this embodiment is shown in fig. 1 to 4, and includes a first cooling fan 12, the first cooling fan 12 is disposed inside the control cabinet, a linear module is installed on an inner side wall of the control cabinet, the first cooling fan 12 is installed on the linear module, and the linear module is used for driving the first cooling fan 12 to lift in the vertical direction inside the control cabinet.

The working principle and the technical effects of the embodiment are as follows: when a computer automation system operates, a large amount of heat can be generated by electronic components and integrated circuits which are arranged inside a control cabinet, when heat dissipation is needed, a linear module is used for driving the first cooling fan 12 to reciprocate inside the control cabinet along the vertical direction, the first cooling fan 12 continuously blows air in the moving process, and compared with the method that the first cooling fan 12 is fixed at a certain position inside the control cabinet, the mounting structure of the first cooling fan 12 can enlarge the purging range of the first cooling fan 12 inside the control cabinet, the electronic components and integrated circuits which are arranged at all positions in the control cabinet are ensured to be within the purging range of the first cooling fan 12 as much as possible, the air flow inside the control cabinet can be enhanced, and the heat dissipation effect of the electronic components and integrated circuits inside the control cabinet is improved.

In addition, this heat abstractor also is applicable to the inside heat dissipation of the switch board in other needs fields, such as the switch board of digit control machine tool, the switch board of server etc. all can promote the inside heat dissipation of switch board through this built-in heat abstractor of installation.

Example 2

In this embodiment, as shown in fig. 1 to fig. 4, the control cabinet includes a cabinet body 1 and a cabinet door 2, and the linear module is installed on an inner side wall of the cabinet door 2.

As a preferred embodiment, in this embodiment, the right end of the cabinet door 2 is hinged to the cabinet body 1 through a hinge, the left end outer side wall of the cabinet door 2 is connected to the cabinet body 1 through a lock catch 3, a handle 4 is installed on the left end outer side wall of the cabinet door 2, so as to facilitate opening and closing of the cabinet door 2, and the structure can facilitate opening of the cabinet door 2 to maintain the heat dissipation device installed on the inner side wall of the cabinet door 2.

The working principle and the technical effects of the embodiment are as follows: the inside of the cabinet body 1 is provided with a plurality of baffles 21 along vertical direction interval usually, with orderly the installing on baffle 21 of hardware system, therefore, if install heat abstractor at the mounted position and the installation space that the inside wall of the cabinet body can occupy the hardware system, for maintenance, do not have usually between hardware system and the cabinet door 2 and shelter from, can be convenient for maintain the hardware system after opening cabinet door 2, consequently, install the sharp module at the inside wall of cabinet door 2 in this embodiment, can save space, improve the utilization ratio of cabinet door 2 inside wall, be convenient for maintain heat abstractor after opening cabinet door 2, can ensure again that the wind energy that first radiator fan 12 blew off is as far as possible with hardware system direct contact, improve the inside radiating effect of switch board.

Example 3

In this embodiment, as shown in fig. 2 to 4, the linear module includes a linear guide rail 8, the linear guide rail 8 is fixedly installed on an inner side wall of the cabinet door 2, the linear guide rail 8 extends in a vertical direction, a sliding block 9 is slidably connected to the linear guide rail 8, and a first cooling fan 12 is fixedly installed on the sliding block 9; linear guide 8's one side is provided with from driving wheel 5 and action wheel 17, and the axis from driving wheel 5 is located same vertical face with the axis of action wheel 17, all rotate through the bearing from driving wheel 5 and action wheel 17 and install in the inside wall of cabinet door 2, ensure from driving wheel 5 and action wheel 17 stable installation, be connected through conveyer belt 7 transmission between driving wheel 5 and the action wheel 17, the inside wall fixed mounting of cabinet door 2 has motor 14, action wheel 17 is connected with motor 14's pivot transmission, can drive action wheel 17 through motor 14 and rotate, thereby drive conveyer belt 7, be connected through connecting piece 22 between slider 9 and the conveyer belt 7, conveyer belt 7 can drive slider 9 along linear guide 8 at vertical direction reciprocating motion.

As a preferable implementation manner, in this embodiment, the conveying belt 7 is a synchronous belt, and the driven wheel 5 and the driving wheel 17 are both synchronous wheels, which can improve the transmission stability; it should be noted here that a transmission form of a sprocket and a chain can also be utilized; the motor 14 may be a stepping motor or a servo motor.

The working principle and the technical effects of the embodiment are as follows: when the heat dissipation device operates, the motor 14 is utilized to drive the driving wheel 17 to rotate, the driving wheel 17 drives the conveyor belt 7 to move, the sliding block 9 is fixedly connected with the conveyor belt 7, the conveyor belt 7 drives the sliding block 9 to move, the sliding block 9 is enabled to move on the linear guide rail 8 along the vertical direction, the rotating shaft of the motor 14 is controlled to rotate forwards and backwards, the sliding block 9 is controlled to move on the linear guide rail 8 along the vertical direction in a reciprocating mode, the first heat dissipation fan 12 moves along the linear guide rail 8, the first heat dissipation fan 12 continuously blows air in the reciprocating process of the vertical direction, the purging range of the first heat dissipation fan 12 in the control cabinet is large, the air flow in the control cabinet is enhanced, and therefore the heat dissipation effect of electronic components and integrated circuits in the control cabinet can be improved.

Example 4

In this embodiment, a technology is further described, as shown in fig. 2 and fig. 4, a first proximity switch 6 is installed at the top of the linear guide rail 8, a second proximity switch 13 is installed at the bottom of the linear guide rail, a PLC controller 11 is installed on the inner side wall of the cabinet door 2, a first cooling fan 12, a motor 14, the first proximity switch 6 and the second proximity switch 13 are electrically connected to the PLC controller 11, the PLC controller 11 can control the first cooling fan 12 to start and stop, the position of the slider 9 on the linear guide rail 8 is detected by using the first proximity switch 6 and the second proximity switch 13, and the slider 9 is controlled by the PLC controller 11 to reciprocate on the linear guide rail 8.

In a preferred embodiment, in the present embodiment, the first proximity switch 6 and the second proximity switch 13 are both capacitive proximity switches, and the PLC controller may be a mitsubishi PLC controller or a PLC controller of another manufacturer.

The working principle and the technical effect of the embodiment are as follows: when the heat dissipation device operates, the motor 14 drives the conveyor belt 7, the conveyor belt 7 drives the sliding block 9 to move upwards along the linear guide rail 8, when the sliding block 9 triggers the first proximity switch 6, the PLC 11 receives a trigger signal of the first proximity switch 6, the PLC 11 switches a circuit of the motor 14 to enable the motor 14 to rotate backwards, the conveyor belt 7 drives the sliding block 9 to move downwards along the linear guide rail 8, when the sliding block 9 triggers the second proximity switch 13, the PLC 11 switches the circuit of the motor 14 to enable the motor 14 to rotate forwards, the conveyor belt 7 drives the sliding block 9 to move upwards along the linear guide rail 8, and therefore reciprocating motion of the sliding block 9 in the vertical direction is achieved, and the first heat dissipation fan 12 moves in the vertical direction in a reciprocating manner; the moving speed of the sliding block 9 can be controlled by the PLC 11, and the first cooling fan 12 can be controlled to be started and stopped intermittently by the PLC 11.

Example 5

In this embodiment, as shown in fig. 2 and 4, a temperature sensor 10 is installed on an inner side wall of the cabinet door 2, the temperature sensor 10 is electrically connected to the PLC controller 11, the temperature sensor 10 is used for detecting a temperature inside the control cabinet, and a start-stop temperature of the first cooling fan 12 can be preset.

The working principle and the technical effect of the embodiment are as follows: when a computer automation system operates, electronic components and integrated circuits installed inside a control cabinet can generate a large amount of heat, a temperature sensor 10 monitors the internal temperature of the control cabinet in real time, a PLC (programmable logic controller) 11 presets the starting temperature and the stopping temperature of a first cooling fan 12, when the temperature monitored by the temperature sensor 10 is lower than the starting temperature of the first cooling fan 12, the PLC 11 controls the first cooling fan 12 to start and blow air, and controls a linear module to drive the first cooling fan 12 to reciprocate in the vertical direction, when the temperature monitored by the temperature sensor 10 is lower than the stopping temperature of the first cooling fan 12, the PLC 11 controls the linear module and the first cooling fan 12 to stop, and only in a certain temperature range, the first cooling fan 12 is started to promote cooling, so that the first cooling fan 12 is prevented from working all the time, electricity can be saved, and the service lives of the first cooling fan 12 and the linear module can be prolonged; in general, the preset starting temperature of the first heat dissipation fan 12 is greater than the stopping temperature, and although the temperature in the control cabinet may decrease below the starting temperature under the heat dissipation effect of the first heat dissipation fan 12, but does not reach the stopping temperature, the first heat dissipation fan 12 still continues to operate.

Example 6

In this embodiment, as shown in fig. 3, a second heat dissipation fan 20 is installed at the air inlet 15 or the air outlet 18 of the cabinet body 1, and the second heat dissipation fan 20 can promote the air flow inside and outside the control cabinet.

In a preferred embodiment, in the present embodiment, the second heat dissipation fan 20 is installed at the air outlet 18 at the top of the cabinet 1, and the second heat dissipation fan 20 guides the air inside the cabinet 1 to flow to the outside of the cabinet 1.

As a preferred implementation manner, in this embodiment, an air inlet 15 is formed in a side wall of the lower portion of the cabinet body 1, a first dust-proof net 16 is installed at the air inlet 15, a second dust-proof net 19 is installed at the air outlet 18, and the second heat dissipation fan 20 can promote air flow inside and outside the cabinet body 1, so as to prevent dust through the dust-proof net, prevent a large amount of dust from entering the inside of the cabinet body 1 along with air flow, and improve a dust-proof effect.

In this embodiment, the second heat dissipation fan 20 may be an axial fan.

The working principle and the technical effects of the embodiment are as follows: when the computer automation system operates, the second heat dissipation fan 20 promotes the circulation of air inside and outside the cabinet body 1, if there is an air conditioner indoor open, the second heat dissipation fan 20 can ensure that the cold air outside the cabinet body 1 enters into the cabinet body 1, the hot air of the cabinet body 1 flows to the outside of the cabinet body 1, after the cold air enters into the cabinet body 1, utilize the first heat dissipation fan 12 to blow continuously along vertical direction reciprocating motion in the inside of the control cabinet, with this reinforcing the inside air flow of the control cabinet, the collocation use of the first heat dissipation fan 12 and the second heat dissipation fan 20 can improve the heat dissipation effect of the electronic components and the integrated circuit inside the control cabinet.

Claims

1. The utility model provides a built-in heat abstractor of switch board, includes first radiator fan (12), and the switch board includes the cabinet body (1), and air intake (15) have been seted up to the lower part lateral wall of the cabinet body (1), and air outlet (18), its characterized in that have been seted up at the top of the cabinet body (1): the first cooling fan (12) is arranged inside the control cabinet, a linear module is installed on the inner side wall of the control cabinet, the first cooling fan (12) is installed on the linear module, and the linear module is used for driving the first cooling fan (12) to lift in the vertical direction inside the control cabinet; a second cooling fan (20) is arranged at the air inlet (15) or the air outlet (18) of the cabinet body (1).

2. The built-in heat dissipation device of a control cabinet according to claim 1, wherein: the straight line module is installed on the inner side wall of a cabinet door (2) of the control cabinet.

3. The built-in heat dissipation device of a control cabinet according to claim 2, wherein: the linear module comprises a linear guide rail (8), the linear guide rail (8) is fixedly arranged on the inner side wall of the cabinet door (2), the linear guide rail (8) extends in the vertical direction, a sliding block (9) is connected onto the linear guide rail (8) in a sliding manner, and a first cooling fan (12) is fixedly arranged on the sliding block (9);

one side of linear guide (8) is provided with from driving wheel (5) and action wheel (17), and the axis from driving wheel (5) is located same vertical face with the axis of action wheel (17), all rotate through the bearing from driving wheel (5) and action wheel (17) and install in the inside wall of cabinet door (2), be connected through conveyer belt (7) transmission between driven wheel (5) and action wheel (17), the inside wall fixed mounting of cabinet door (2) has motor (14), action wheel (17) are connected with the pivot transmission of motor (14), be connected through connecting piece (22) between slider (9) and conveyer belt (7).

4. The built-in heat dissipation device of a control cabinet according to claim 3, wherein: first proximity switch (6) are installed at the top of linear guide (8), and second proximity switch (13) are installed to its bottom, and PLC controller (11) are installed to the inside wall of cabinet door (2), and first radiator fan (12), motor (14), first proximity switch (6) and second proximity switch (13) all are connected with PLC controller (11) electricity.

5. The built-in heat dissipation device of a control cabinet according to claim 4, wherein: temperature sensor (10) are installed to the inside wall of cabinet door (2), and temperature sensor (10) are connected with PLC controller (11) electricity.