CN212257123U

CN212257123U - Heat radiator

Info

Publication number: CN212257123U
Application number: CN202021372488.8U
Authority: CN
Inventors: 张飞; 吴松林
Original assignee: Xijing University
Current assignee: Xijing University
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2020-12-29
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a heat dissipation device, which comprises a cabinet body, a heat dissipation seat and a heat radiator, wherein the cabinet body is arranged on the heat dissipation seat, the heat radiator is arranged on the cabinet body, the cabinet body is provided with a cavity, the cabinet body is provided with an air inlet pipe communicated with the cavity, the air inlet pipe is communicated with the heat dissipation seat, and the heat dissipation seat is communicated with the outside; the heat radiator comprises a shell, a first baffle and a second baffle, wherein the first baffle and the second baffle are arranged in the shell, the first baffle is fixed on the shell, the first baffle is provided with a first vent groove communicated with the outside, the second baffle is movably arranged in the shell, the second baffle is provided with a second vent groove, the cabinet body is also provided with a vent channel communicated with the cavity, the vent channel is communicated with the second vent groove, and when the second baffle is positioned at a first position, the second vent groove is opposite to and communicated with the first vent groove; when the second baffle is located at the second position, the second vent groove is staggered and isolated from the first vent groove. The utility model discloses can dispel the heat reliably to electrical apparatus to can avoid external debris to get into electrical apparatus.

Description

Heat radiator

Technical Field

The utility model relates to an electrical apparatus heat dissipation technical field, concretely relates to heat abstractor.

Background

Electrical devices, such as: the transformer is widely applied to daily production and life, is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, mainly comprises a primary coil, a secondary coil and an iron core, and is commonly used for voltage lifting, impedance matching, safety isolation and the like in electrical equipment and wireless circuits. The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, and the like. According to the application, the method can be divided into: distribution transformers, power transformers, fully enclosed transformers, combined transformers, dry transformers, oil immersed transformers, single phase transformers, electric furnace transformers, rectifier transformers, etc.

In electrical equipment and wireless circuits, transformers are often used to step up and down voltage, match impedance, safety isolation, etc. In a generator, an electric potential is induced in a coil, whether the coil is moved through a magnetic field or the magnetic field is moved through a stationary coil, in both cases the value of the flux is constant, but the amount of flux linked to the coil varies, which is the principle of mutual induction. A transformer is a device for transforming voltage, current and impedance by using mutual electromagnetic induction.

However, the heat dissipation effect of the existing electrical devices such as the transformer is poor in the using process, so that the normal operation of the electrical devices such as the transformer can be seriously influenced, the electrical devices such as the transformer can work in an overload mode, in addition, foreign matters such as dust and rainwater can easily enter the electrical devices, the work of the electrical devices such as the transformer is seriously influenced, and the service life of the electrical devices such as the transformer is shortened.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem in the prior art, the utility model provides a heat abstractor can dispel the heat reliably to electrical apparatus to can avoid external debris to get into electrical apparatus, ensure that electrical apparatus can carry out work under better environment, prolonged electrical apparatus's life.

In order to realize the above purpose, the utility model discloses the technical scheme who adopts does: the cabinet body is provided with a cavity for mounting an electric appliance device, the cabinet body is provided with an air inlet pipe communicated with the cavity, the air inlet pipe is communicated with the heat dissipation seat, and the heat dissipation seat is communicated with the outside; the radiator comprises a shell, a first baffle and a second baffle, wherein the first baffle and the second baffle are arranged in the shell, the first baffle is fixed on the shell, the first baffle is provided with a first vent groove communicated with the outside, the second baffle is movably arranged in the shell, the second baffle is provided with a second vent groove, the cabinet body is also provided with a ventilation channel communicated with the cavity, the ventilation channel is communicated with the second vent groove, the second baffle is provided with a first position and a second position which are opposite to the first baffle, and when the second baffle is positioned at the first position, the second vent groove is opposite to and communicated with the first vent groove; when the second baffle plate is located at the second position, the second vent groove and the first vent groove are staggered and isolated.

Furthermore, the heat dissipation seat is provided with a ventilation pipe and a flow guide pipeline which are communicated, the ventilation pipe is connected with the outside, and the flow guide pipeline is communicated with the air inlet pipe.

Further, a fan is arranged between the ventilating pipe and the flow guide pipeline.

Further, a driving mechanism is connected to the second baffle in a transmission manner, and the driving mechanism is configured to drive the second baffle to switch between a first position and a second position.

Furthermore, the driving mechanism comprises an electric push rod and a connecting rod, one end of the connecting rod is connected with the electric push rod, and the other end of the connecting rod is connected with the second baffle.

Furthermore, the shell of the radiator is further provided with a sliding mechanism, the sliding mechanism is fixedly connected with the first baffle, and the second baffle is connected with the sliding mechanism in a sliding mode.

Furthermore, the outer side of the radiator is provided with a rain-proof sheet, and the arrangement position of the rain-proof sheet corresponds to the first ventilation groove.

Further, the heat dissipation device comprises two heat radiators, and the two heat radiators are respectively arranged on the left side and the right side of the cabinet body.

Further, the heat dissipation device further comprises a cabinet door, the cabinet body is provided with an opening, and the cabinet door is movably connected with the cabinet body and used for closing or opening the opening.

Further, the electrical apparatus includes the transformer, the cabinet body the roof of cavity is provided with the roof, the diapire of cavity is provided with the rubber cushion, the transformer body of transformer install in the roof with between the rubber cushion.

Compared with the prior art, the cabinet body of the utility model is arranged on the heat radiation seat, the cavity of the cabinet body is communicated with the heat radiation seat through the air inlet pipe, the heat radiation seat is communicated with the outside, the cabinet body is provided with the radiator, the radiator comprises a shell, a first baffle and a second baffle which are arranged in the shell, the first baffle is fixed on the shell, the first baffle is provided with a first vent groove communicated with the outside, the second baffle is movably arranged on the shell, the second baffle is provided with a second vent groove communicated with the cavity of the cabinet body through a vent channel, when the heat of the electric appliance device in the cavity needs to be radiated, the second baffle is positioned at the first position, the second vent groove is opposite to and communicated with the first vent groove, thus, the cold air enters the cavity from the heat radiation seat through the air inlet pipe to cool and radiate the electric appliance device, the hot air after heat exchange enters the radiator through the vent channel and sequentially passes through the second vent, the air convection heat dissipation circulation is realized, and the heat dissipation effect on the electric appliance device is effectively improved; in addition, when the electrical apparatus does not need to be radiated, the second baffle is located at the second position, the second vent groove is staggered with the first vent groove and isolated, at the moment, the cavity of the cabinet body forms a relatively closed cavity, because the second vent groove is staggered with the first vent groove, external dust, rainwater and other sundries can not enter the cavity through the first vent groove and the second vent groove, thereby ensuring the cleanness of the electrical apparatus, preventing the external dust, rainwater and other sundries from entering the electrical apparatus, thereby ensuring that the electrical apparatus can work in a better environment, and prolonging the service life of the electrical apparatus.

Furthermore, external cold air can enter from the bottom of the cavity through the ventilation pipe, the flow guide pipeline and the air inlet pipe in sequence, the cold air cools and dissipates heat of the electric appliance device from the bottom, and hot air after heat exchange rises and is discharged from the radiator, so that the heat exchange efficiency is improved.

Furthermore, a fan is arranged between the ventilation pipe and the flow guide pipeline, and the fan is used for accelerating the flow of air, so that the aim of forced convection is fulfilled, and the heat dissipation efficiency is improved.

Furthermore, the driving mechanism is utilized to drive the second baffle to move, so that automation and convenience are realized.

Furthermore, the second baffle plate is connected with the sliding mechanism in a sliding mode, so that the second baffle plate can move more stably and reliably.

Further, the outside of radiator is provided with the rain-proof piece, utilizes the rain-proof piece to avoid rainwater etc. to get into first air channel, then gets into the internal erosion and the incident etc. that causes of production of electrical apparatus of cabinet.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic diagram of the internal structure of the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a heat sink according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a heat sink according to an embodiment of the present invention;

the transformer comprises a cabinet body 1, a heat radiation seat 2, a base 3, a rubber cushion block 4, a transformer body 5, a top plate 6, a heat radiator 7, a ventilation channel 8, a first baffle 9, a first ventilation groove 10, a sliding mechanism 11, a second baffle 12, a second ventilation groove 13, a connecting rod 14, an electric push rod 15, a rain-proof sheet 16, an air inlet pipe 17, a flow guide pipeline 18, a fan 19, a ventilation pipe 20, a hinge 21, a cabinet door 22, a handle 23, a cover plate 24 and a protective sleeve 25.

Detailed Description

The present invention will be further explained with reference to the drawings and specific examples, which are illustrated in the attached drawings, and it is to be understood that the described examples are only a part of the present application and not all of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1 to 4, the present embodiment provides a heat dissipation device, which is suitable for mounting various electrical devices, such as: transformer etc. it includes the cabinet body 1, radiating seat 2 and radiator 7, and the cabinet body 1 sets up in radiating seat 2, and radiator 7 sets up in the cabinet body 1, and the cabinet body 1 has the cavity that is used for installing electrical apparatus, and the cabinet body 1 is provided with the intake pipe 17 with the cavity intercommunication, intake pipe 17 and radiating seat 2 intercommunication, radiating seat 2 and external intercommunication. Preferably, the heat dissipation seat 2 is located below the cabinet 1, and the heat dissipation seat 2 is supported on the base 3, so as to improve the stability of the cabinet 1 and the heat dissipation seat 2 by using the base 3.

The radiator 7 comprises a shell, a first baffle 9 and a second baffle 12 are arranged in the shell, the first baffle 9 is fixed on the shell, a first vent groove 10 communicated with the outside is formed in the first baffle 9, the second baffle 12 is movably arranged in the shell, a second vent groove 13 is formed in the second baffle 12, the cabinet body 1 is further provided with a ventilation channel 8 communicated with the cavity, and the ventilation channel 8 is communicated with the second vent groove 13.

Specifically, since the second baffle 12 is movably arranged in the housing, the second baffle 12 has a first position and a second position relative to the first baffle 9, and when the second baffle 12 is located at the first position, the second vent groove 13 is opposite to and communicated with the first vent groove 10; when the second shutter 12 is in the second position, the second vent slot 13 is staggered and isolated from the first vent slot 10.

It can be understood that when the electrical apparatus in the cavity needs to be cooled, the second baffle 12 is located at the first position, and the second vent groove 13 is opposite to and communicated with the first vent groove 10, so that cold air enters the cavity from the heat dissipation seat 2 through the air inlet pipe 17 to cool and dissipate heat of the electrical apparatus, and hot air after heat exchange enters the heat sink 7 through the vent channel 8 and is discharged through the second vent groove 13 and the first vent groove 10 in sequence, thereby realizing air convection heat dissipation circulation and effectively improving the heat dissipation effect of the electrical apparatus; in addition, when the electrical apparatus does not need to be cooled, the second baffle 12 is located at the second position, the second vent groove 13 is staggered and isolated from the first vent groove 10, at the moment, a relatively closed cavity is formed in the cavity of the cabinet body 1, because the second vent groove 13 is staggered with the first vent groove 10, external dust, rainwater and other impurities cannot enter the cavity through the first vent groove 10 and the second vent groove 13, thereby the cleanness of the electrical apparatus is ensured, the external dust is prevented, rainwater and other impurities are prevented from entering the electrical apparatus, the electrical apparatus is ensured to work in a better environment, and the service life of the electrical apparatus is prolonged.

Specifically, the heat dissipation seat 2 is provided with a ventilation pipe 20 and a diversion pipeline 18 which are communicated, the ventilation pipe 20 is connected with the outside, the diversion pipeline 18 is communicated with the air inlet pipe 17, outside cold air can enter from the bottom of the cavity through the ventilation pipe 20, the diversion pipeline 18 and the air inlet pipe 17 in sequence, the cold air cools and dissipates heat of an electric appliance device from the bottom, hot air after heat exchange rises and is discharged from the radiator 7, and the heat exchange efficiency is improved.

Preferably, a fan 19 is disposed between the ventilation pipe 20 and the diversion pipe 18, and the fan 19 accelerates the flow of air, so as to achieve the purpose of forced convection and improve the heat dissipation efficiency. Further preferably, both ends all are provided with ventilation pipe 20 about the radiating seat 2, and ventilation pipe 20 runs through radiating seat 2 and extends to the outside of radiating seat 2, and two ventilation pipes 20 of both ends all communicate to water conservancy diversion pipeline 18 about, correspondingly, all are provided with fan 19 between two ventilation pipes 20 and the water conservancy diversion pipeline 18, utilize two fan 19 in order to improve the speed that the air flows, accelerate air current radiating efficiency. It is further preferred that the inlet of the diversion pipeline 18 is trumpet-shaped to facilitate air entering, and the air inlet pipe 17 penetrates through the bottom wall of the cabinet 1 and the heat radiation seat 2 and extends to the inside of the heat radiation seat 2 to be communicated with the outlet of the diversion pipeline 18 so as to introduce cold air into the cavity from the bottom of the cabinet 1.

Specifically, second baffle 12 transmission is connected with actuating mechanism, and actuating mechanism is configured to can drive second baffle 12 and switch between primary importance and second place, utilizes actuating mechanism drive second baffle 12 motion, has realized automation, and is convenient, reduces the manpower.

Preferably, the driving mechanism comprises an electric push rod 15 and a connecting rod 14, one end of the connecting rod 14 is connected with the electric push rod 15, and the other end is connected with the second baffle 12. Further preferably, electric push rods 15 are fixedly mounted on the inner top wall and the inner bottom wall of the shell of the heat sink 7, output ends of the two electric push rods 15 are connected with the second baffle plate 12 through connecting rods 14 respectively, and the two electric push rods 15 are used for driving the second baffle plate 12 to move synchronously in the up-down two directions, so that the reliability and the stability of the movement of the second baffle plate 12 are improved.

Of course, the driving mechanism may be a pneumatic/hydraulic cylinder, a gear mechanism, a driving belt mechanism, a lead screw nut, a gear rack, etc., and this embodiment is not illustrated.

Preferably, the casing of the heat sink 7 is further provided with a sliding mechanism 11, the sliding mechanism 11 is fixedly connected with the first baffle 9, the second baffle 12 is slidably connected with the sliding mechanism 11, and the second baffle 12 is slidably connected with the sliding mechanism 11, so that the movement of the second baffle 12 is more stable and reliable. The sliding mechanism 11 may be a slide groove, a slider, or a roller, a guide rail, or the like, as long as it can guide the movement of the second baffle 12, and the second baffle 12 may be directly connected to the housing of the heat sink 7 or the first baffle 9 in a sliding or rotating manner, and the present embodiment is not limited to this.

Preferably, the outer side of the heat sink 7 is provided with a rain-proof sheet 16, and the position where the rain-proof sheet 16 is disposed corresponds to the first air duct 10, that is, the rain-proof sheet 16 is semi-enclosed above the outer side of the first air duct 10, so as to prevent rain water and the like from entering the first air duct 10 and then entering the cabinet 1 to corrode the electrical apparatus and cause safety accidents and the like. Further preferably, the first baffle 9 is provided with a plurality of first ventilation grooves 10, the second baffle 12 is provided with a plurality of second ventilation grooves 13, the plurality of first ventilation grooves 10 and the plurality of second ventilation grooves 13 can be arranged in a one-to-one correspondence manner, correspondingly, the outer side of the radiator 7 is provided with a plurality of rain-proof sheets 16, and the plurality of rain-proof sheets 16 and the plurality of first ventilation grooves 10 are arranged in a one-to-one correspondence manner.

Preferably, the present embodiment includes two heat sinks 7, and the two heat sinks 7 are respectively disposed on the left and right sides of the cabinet 1 to accelerate the outflow rate of air and improve the heat dissipation efficiency, and of course, the heat sinks 7 may also be disposed on the rear side or the top side of the cabinet 1, and are specifically selected according to actual needs, and the present embodiment is not specifically limited.

Specifically, this embodiment still includes cabinet door 22, and cabinet body 1 has openly, and cabinet door 22 and cabinet body 1 swing joint for seal or open openly, thereby make things convenient for operations such as installation maintenance to electrical apparatus. Preferably, the cabinet door 22 is hinged to the cabinet body 1 through a hinge 21, the cabinet door 22 is split, and a handle 23 is disposed on the outer surface of the cabinet door 22. Preferably, the top of the cabinet body 1 is provided with the cover plate 24, and the cover plate 24 can be used as a rain-proof shed to prevent rainwater and the like from falling to the cabinet body 1, so that the cabinet body 1 is corroded and damaged, and the rainwater and the like enter the cabinet body 1 to corrode an electric appliance device and cause safety accidents and the like.

Specifically, electrical apparatus includes the transformer, and the roof of the cavity of the cabinet body 1 is provided with roof 6, and the diapire of cavity is provided with rubber pad 4, and the transformer body 5 of transformer is installed between roof 6 and rubber pad 4, and the outside cover of transformer body 5 is equipped with protective sheath 25. Of course, the electrical apparatus may also be other electrical components, and this embodiment is not illustrated.

The working process of this embodiment is briefly described as follows:

when the temperature of the transformer is too high, the electric push rod 15 is started, the second baffle plate 12 moves to the first position, so that the first vent groove 10 and the second vent groove 13 are opposite and communicated, the cavity of the cabinet body 1 is communicated with the outside, and meanwhile, the fan 19 is started, so that the whole cabinet body 1 can form air convection with the outside, the heat dissipation effect of the transformer is effectively improved, the transformer can work in a better environment, and the service life of the transformer is prolonged;

when the temperature of transformer is lower, when need not dispel the heat, electric putter 15 starts, makes second baffle 12 move to the second position, and first air duct 10 and second air duct 13 position stagger each other completely isolated, form encapsulated situation in the cabinet body 1 like this, prevent that debris such as external dust, rainwater from getting into the inside of the cabinet body 1 to ensured the clean of transformer, thereby ensured the use of transformer, prolonged the life-span of transformer.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The heat dissipation device is characterized by comprising a cabinet body (1), a heat dissipation seat (2) and a heat radiator (7), wherein the cabinet body (1) is arranged on the heat dissipation seat (2), the heat radiator (7) is arranged on the cabinet body (1), the cabinet body (1) is provided with a cavity for mounting an electric appliance, the cabinet body (1) is provided with an air inlet pipe (17) communicated with the cavity, the air inlet pipe (17) is communicated with the heat dissipation seat (2), and the heat dissipation seat (2) is communicated with the outside; the radiator (7) comprises a shell, a first baffle (9) and a second baffle (12) which are arranged in the shell, wherein the first baffle (9) is fixed on the shell, the first baffle (9) is provided with a first vent groove (10) communicated with the outside, the second baffle (12) is movably arranged in the shell, the second baffle (12) is provided with a second vent groove (13), the cabinet body (1) is also provided with a vent channel (8) communicated with the cavity, the vent channel (8) is communicated with the second vent groove (13), the second baffle (12) is provided with a first position and a second position which are opposite to the first baffle (9), and when the second baffle (12) is positioned at the first position, the second vent groove (13) is opposite to and communicated with the first vent groove (10); the second vent channel (13) is staggered and isolated from the first vent channel (10) when the second flap (12) is in a second position.

2. A heat sink according to claim 1, wherein the heat sink (2) is provided with a ventilation pipe (20) and a flow guide pipe (18) which are communicated with each other, the ventilation pipe (20) is connected with the outside, and the flow guide pipe (18) is communicated with the air inlet pipe (17).

3. A heat sink according to claim 2, characterised in that a fan (19) is arranged between the ventilating duct (20) and the air guiding duct (18).

4. A heat sink according to claim 1, wherein a drive mechanism is drivingly connected to the second flap (12), the drive mechanism being configured to drive the second flap (12) between the first and second positions.

5. The heat sink according to claim 4, wherein the driving mechanism comprises an electric push rod (15) and a connecting rod (14), one end of the connecting rod (14) is connected with the electric push rod (15), and the other end is connected with the second baffle (12).

6. A heat sink according to claim 1, wherein the housing of the heat sink (7) is further provided with a sliding mechanism (11), the sliding mechanism (11) is fixedly connected with the first baffle (9), and the second baffle (12) is slidably connected with the sliding mechanism (11).

7. A heat sink according to claim 1, characterised in that a weather strip (16) is arranged on the outside of the heat sink (7), said weather strip (16) being arranged in correspondence with said first air channel (10).

8. The heat dissipation device according to claim 1, wherein the heat dissipation device comprises two heat sinks (7), and the two heat sinks (7) are respectively disposed at the left and right sides of the cabinet body (1).

9. The heat dissipation device according to claim 1, further comprising a cabinet door (22), wherein the cabinet body (1) has an opening, and the cabinet door (22) is movably connected to the cabinet body (1) for closing or opening the opening.

10. A heat sink according to claim 1, wherein the electrical device comprises a transformer, the top wall of the cavity of the cabinet (1) is provided with a top plate (6), the bottom wall of the cavity is provided with a rubber pad (4), and the transformer body (5) of the transformer is mounted between the top plate (6) and the rubber pad (4).