CN210157576U - An automatic temperature control electric heat tracing control cabinet - Google Patents

Abstract

The utility model discloses an electric heat tracing control cabinet with automatic temperature control, which comprises a control cabinet body, a cabinet door and a cooling fan. The cabinet door and the cooling fan are respectively located on both sides of the control cabinet body. A first heat dissipation device is disposed inside near the heat dissipation fan, and a second heat dissipation device for installing electronic components is disposed on the side of the first heat dissipation device away from the heat dissipation fan. In the present invention, the combination of air cooling and cooling medium is adopted. In the low temperature stage, only the cooling fan is used for cooling to reduce energy consumption. In the high temperature stage, the air cooling and the cooling medium are simultaneously activated. The fan takes away the heat generated by the electronic components on the second heat sink, and the flowing air can also cool down the cooling medium in the cavity on the first heat sink, thereby ensuring high-efficiency cooling.

Description

An automatic temperature control electric heat tracing control cabinet

technical field

The utility model relates to the field of electric heat tracing control cabinets, in particular to an electric heat tracing control cabinet with automatic temperature control.

Background technique

The electric heat tracing control cabinet is a temperature control supporting equipment specially designed and manufactured for various electric heating systems such as electric heat tracing and electric heaters. There are a variety of highly integrated electronic components installed inside the control cabinet, and the electronic components are in the A large amount of heat is dissipated in the process of continuous operation. Since the electric heat tracing control cabinet is in a long-term remote control state and is unattended, once the internal temperature of the control cabinet is too high, timely remedial measures will not be available in a short period of time. Once a failure occurs, it will bring serious consequences, and the existing air-cooled heat dissipation, which only relies on air flow to take away heat, is slow to dissipate heat and cannot meet the requirements of use. Due to the limitation of cabinet size and power consumption, high power The cooling fan cannot be used.

Therefore, it is necessary to design an electric heat tracing control cabinet with automatic temperature control.

Utility model content

The purpose of the utility model is to propose an automatic temperature-controlled electric heat tracing control cabinet in order to solve the problem that the heat dissipated in the working process of the electronic components inside the control cabinet is difficult to discharge in time.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

An automatic temperature-controlled electric heat tracing control cabinet includes a control cabinet body, a cabinet door and a cooling fan, the cabinet door and the cooling fan are respectively located on both sides of the control cabinet body, and the interior of the control cabinet body is close to the cooling fan. A first heat dissipation device is provided, the side of the first heat dissipation device away from the heat dissipation fan is provided with a second heat dissipation device for installing electronic components, and the inside of the first heat dissipation device and the second heat dissipation device are provided for filling cooling. The cavity of the medium, the first radiator divides the inner space of the control cabinet body into a first cold cavity and a second cold cavity, and the upper part of the first radiator is communicated with the top of the second radiator through a first pipe, so The lower part of the first heat dissipation device is communicated with the bottom end of the second heat dissipation device through a second pipe, and a space between the first heat dissipation device and the second heat dissipation device is provided for realizing the cooling medium in the first pipe, the cavity and the second heat dissipation device. A drive for circulating flow in a pipe.

As a further description of the above technical solution:

The first heat dissipation device includes a first cooling plate, and a plurality of through holes are provided on the first cooling plate, and the through holes do not interfere with the cavity inside the first cooling plate.

As a further description of the above technical solution:

The sum of the cross-sectional areas of the through holes is smaller than the cross-sectional area of the air outlet of the cooling fan.

As a further description of the above technical solution:

The second heat dissipation device includes a second cooling plate, and a heat dissipation film is attached to the side of the second cooling plate close to the cabinet door.

As a further description of the above technical solution:

The driving device includes a water pump arranged on the second pipeline.

As a further description of the above technical solution:

The driving device includes a third pipe for communicating with the first heat dissipation device and a fourth pipe for communicating with the second heat dissipation device, and both the third pipe and the fourth pipe communicate with the heat preservation medium conveying pipe outside the conveying pipe.

As a further description of the above technical solution:

A one-way valve is provided at the connection between the third pipeline and the heat preservation medium conveying pipe.

To sum up, due to the adoption of the above-mentioned technical solutions, the beneficial effects of the present utility model are:

1. In the present invention, the combination of air cooling and cooling medium is adopted. In the low temperature stage, only the cooling fan is used to reduce energy consumption. In the high temperature stage, the air cooling and the cooling medium are simultaneously activated, and the circulating cooling medium is used And the heat dissipation fan takes away the heat generated by the electronic components on the second heat dissipation device, and the flowing air can also cool down the cooling medium in the cavity on the first heat dissipation device, thereby ensuring high-efficiency cooling.

Description of drawings

Fig. 1 is one of the structural representations of a kind of automatic temperature-controlled electric heat tracing control cabinet proposed by the utility model;

Fig. 2 is the second structural schematic diagram of a kind of automatic temperature-controlled electric heat tracing control cabinet proposed by the utility model;

FIG. 3 is a side view of the first cooling plate in an automatic temperature-controlled electric heat tracing control cabinet proposed by the utility model.

illustration:

1. Control cabinet body; 2. Cabinet door; 3. Cooling fan; 4. First cooling device; 401, First cooling plate; 402, Through hole; 5. Second cooling device; 501, Second cooling plate; 502 , cooling film; 6, cavity; 7, the first cold chamber; 8, the second cold chamber; 9, the first pipe; 10, the second pipe; 11, the water pump; 12, the third pipe; 13, the fourth pipe ; 14. Insulation medium conveying pipe; 15. One-way valve.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: an electric heat tracing control cabinet with automatic temperature control, comprising a control cabinet body 1, a cabinet door 2 and a cooling fan 3, the cabinet door 2 and the cooling fan 3 are respectively Located on both sides of the control cabinet body 1, the inside of the control cabinet body 1 is provided with a first heat dissipation device 4 near the cooling fan 3, and a second heat dissipation device for installing electronic components is provided on the side of the first heat dissipation device 4 away from the cooling fan 3. The heat sink 5, the first heat sink 4 and the second heat sink 5 are provided with a cavity 6 for filling the cooling medium, and the first heat sink 4 divides the inner space of the control cabinet body 1 into a first cold cavity 7 and a second In the cold chamber 8, the upper part of the first heat dissipation device 4 is communicated with the top end of the second heat dissipation device 5 through the first pipe 9; the lower part of the first heat dissipation device 4 is communicated with the bottom end of the second heat dissipation device 5 through the second pipe 10; A driving device for realizing the circulating flow of the cooling medium in the first pipe 9 , the cavity 6 and the second pipe 10 is provided between the heat dissipation device 4 and the second heat dissipation device 5 .

Specifically, as shown in FIGS. 1-3 , the first heat dissipation device 4 includes a first cooling plate 401 . The first cooling plate 401 is provided with a plurality of through holes 402 , and the through holes 402 are connected to the cavity inside the first cooling plate 401 . 6 does not interfere, because the first heat dissipation device 4 divides the inner space of the control cabinet body 1 into a first cold cavity 7 and a second cold cavity 8, and the cooling fan 3 needs the air flow inside the control cabinet body 1 to achieve heat dissipation, so it is The holes 402 can realize air circulation between the first cold cavity 7 and the second cold cavity 8 .

Specifically, as shown in FIGS. 1-3 , the sum of the cross-sectional areas of the through holes 402 is smaller than the cross-sectional area of the air outlet of the cooling fan 3 . Since the electronic components are installed on the second heat dissipation device 5 , the second heat dissipation device 5. The cooling medium inside the upper cavity 6 can directly absorb the heat radiated from the electronic components, and the heat absorption speed is faster than that of air cooling. In order to avoid the temperature rise of the cooling medium after the heat absorption and reducing the heat absorption efficiency, the cooling medium is cooled under the action of the driving device. The medium can circulate in the first pipe 9 , the cavity 6 and the second pipe 10 , and the cooling medium flows into the cavity 6 on the first heat sink 4 , and because the sum of the cross-sectional areas of the through holes 402 is smaller than that of the heat dissipation fan 3 . The cross-sectional area of the air outlet causes the air output of the cooling fan 3 to be greater than the sum of the air output of the through holes 402, causing the air to speed up when passing through the through holes 402, and the air that has absorbed heat in the first cold cavity 7 converts the internal energy into The kinetic energy is accelerated through the through hole 402, and the moisture in the air near the through hole 402 is quickly lost, resulting in a decrease in the temperature on the first heat sink 4, thereby taking away the heat on the cooling medium. When the cooling medium flows to the second heat sink 5 again When the upper cavity 6 is placed, it returns to a low temperature state, thereby ensuring the heat absorption efficiency.

Specifically, as shown in FIGS. 1-3 , the second heat dissipation device 5 includes a second cooling plate 501 , and a heat dissipation film 502 is attached to the side of the second cooling plate 501 close to the cabinet door 2 , and the heat dissipation film 502 can improve the second cooling The heat absorption rate of the cooling medium inside the cavity 6 on the plate 501 .

Specifically, as shown in FIGS. 1 and 2 , the driving device includes a water pump 11 arranged on the second pipe 10 , and the water pump 11 can realize the circulating flow of the cooling medium in the first pipe 9 , the cavity 6 and the second pipe 10 .

Specifically, as shown in FIG. 2 , the driving device includes a third pipe 12 for communicating with the first heat dissipation device 4 and a fourth pipe 13 for communicating with the second heat dissipation device 5 , the third pipe 12 and the fourth pipe 13 are both It is communicated with the heat preservation medium conveying pipe 14 on the outside of the conveying pipe. Since the temperature of the heat preservation medium at the conveying end is low, the heat preservation medium with a low initial end temperature can be sent to the cavity 6 on the second heat sink 5 through the fourth pipe 13 , used for absorbing heat to the electronic components, and after flowing through the first heat dissipation device 4, it flows back into the heat preservation medium conveying pipe 14 through the third pipe 12, and the heat dissipation fan 3 at this time does not need to dissipate heat to the heat preservation medium, so It may not work, and the circulating flow of the heat preservation medium no longer depends on the water pump 11, and the water pump 11 may also not work.

Specifically, as shown in FIG. 2 , a one-way valve 15 is provided at the connection between the third pipe 12 and the conveying pipe of the heat preservation medium conveying pipe 14 , and the one-way valve 15 restricts the heat preservation medium inside the heat preservation medium conveying pipe 14 from passing through the third The pipe 12 flows into the cavity 6 on the first heat dissipation device 4, but can only flow in through the fourth pipe 13, so as to realize one-way flow.

Working principle: When using at low temperature, only the cooling fan 3 needs to work, and the external cold air enters the first cold cavity 7 inside the control cabinet body 1 through the ventilation opening on the cabinet door 2, and the flowing air takes away the electronic components. The heat flows into the second cold cavity 8 through the through holes 402 on the first heat dissipation device 4 , and is then discharged through the heat dissipation fan 3 to complete the heat dissipation.

When used at high temperature, the cooling fan 3 and the driving device work at the same time. At this time, the cooling medium circulates in the first pipe 9, the cavity 6 and the second pipe 10. Since the electronic components are directly fixed on the second heat dissipation device 5 On the second heat sink 5 and the side where the electronic components are installed, a heat dissipation film 502 is attached to promote the cooling medium inside the cavity 6 on the second heat sink 5 to accelerate the absorption of the heat generated by the electronic components, and the cooling medium that absorbs the heat It flows into the cavity 6 on the first heat sink 4 through the first pipe 9. Since the sum of the cross-sectional areas of the through holes 402 is smaller than the cross-sectional area of the air outlet of the heat dissipation fan 3, the air output of the heat dissipation fan 3 is larger than that of the through holes 402. The sum of the air volume causes the air to speed up when passing through the through hole 402, and the air that has absorbed heat in the first cold cavity 7 converts the internal energy into kinetic energy and accelerates through the through hole 402, and the moisture in the air near the through hole 402 is quickly lost. , causing the temperature on the first heat dissipation device 4 to decrease, thereby taking away the heat on the cooling medium, and when the cooling medium flows into the cavity 6 on the second heat dissipation device 5 again, it returns to a low temperature state, thereby realizing the circulation of Cool quickly.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (7)

1. An electric heat tracing control cabinet with automatic temperature control, comprising a control cabinet body (1), a cabinet door (2) and a cooling fan (3), wherein the cabinet door (2) and the cooling fan (3) are respectively located in the control cabinet. The two sides of the cabinet body (1) are characterized in that a first heat dissipation device (4) is arranged inside the control cabinet body (1) near the heat dissipation fan (3), and the first heat dissipation device (4) is far away from the heat dissipation fan (3). One side of the cooling fan (3) is provided with a second cooling device (5) for mounting electronic components, and a cooling medium for filling the cooling medium is provided inside the first cooling device (4) and the second cooling device (5). A cavity (6), the first heat dissipation device (4) divides the inner space of the control cabinet body (1) into a first cold cavity (7) and a second cold cavity (8), the first heat dissipation device (4) ) communicates with the top of the second heat sink (5) through a first pipe (9), and the lower part of the first heat sink (4) and the bottom end of the second heat sink (5) pass through a second pipe (10) The first heat dissipation device (4) and the second heat dissipation device (5) are provided with a cooling medium to circulate and flow in the first pipe (9), the cavity (6) and the second pipe (10). drive device. 2. An automatic temperature-controlled electric heat tracing control cabinet according to claim 1, characterized in that, the first cooling device (4) comprises a first cooling plate (401), and the first cooling plate ( 401) is provided with a plurality of through holes (402), and the through holes (402) do not interfere with the cavity (6) inside the first cooling plate (401). 3 . The electric heat tracing control cabinet with automatic temperature control according to claim 2 , wherein the sum of the cross-sectional areas of the through holes ( 402 ) is smaller than the cross-sectional area of the air outlet of the cooling fan ( 3 ). 4 . 4. An automatic temperature-controlled electric heat tracing control cabinet according to claim 1, characterized in that the second cooling device (5) comprises a second cooling plate (501), and the second cooling plate ( 501) A heat dissipation film (502) is attached to the side close to the cabinet door (2). 5 . The electric heat tracing control cabinet with automatic temperature control according to claim 1 , wherein the driving device comprises a water pump ( 11 ) arranged on the second pipe ( 10 ). 6 . 6. An automatic temperature-controlled electric heat tracing control cabinet according to claim 5, characterized in that the drive device comprises a third pipe (12) for communicating with the first heat sink (4) and a The fourth pipe (13) communicates with the second heat dissipation device (5), and the third pipe (12) and the fourth pipe (13) are both communicated with the heat preservation medium conveying pipe (14) outside the conveying pipe. 7. An automatic temperature-controlled electric heat tracing control cabinet according to claim 6, characterized in that, a unidirectional connection is provided between the third pipe (12) and the heat preservation medium conveying pipe (14) conveying pipe valve (15).

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