CN219287362U

CN219287362U - Heat dissipation formula communication converter

Info

Publication number: CN219287362U
Application number: CN202320716724.0U
Authority: CN
Inventors: 管继伟; 王正平; 钟加耀
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-06-30
Anticipated expiration: 2033-03-31

Abstract

The utility model discloses a heat dissipation type communication frequency converter, which comprises a front shell and a rear shell, wherein the front shell is connected with the rear shell and is separated by a partition board, a power element is arranged in the front shell, a through hole corresponding to the power element is arranged on the partition board, a heat dissipation piece is fixed in the rear shell and is adhered and fixed with the partition board, and one end face of the power element penetrates through the through hole and is adhered to the heat dissipation piece; the first end array of backshell distributes and has a plurality of rectangular shape's fresh air inlet, the second end of backshell is provided with the air exhauster, makes the dust unable from the backshell enter into preceding shell through above-mentioned structure in to the higher power component laminating radiating member generates heat, absorbs the heat that power component during operation produced through the radiating member, then the air exhauster accelerates the circulation of air in the backshell, dispels the heat to the radiating member, reduces the damage of dust to electronic component simultaneously through above realization in the heat dissipation.

Description

Heat dissipation formula communication converter

Technical Field

The utility model relates to the field of communication equipment, in particular to a heat dissipation type communication frequency converter.

Background

The frequency converter is composed of rectifying (AC-DC), filtering, inverting (DC-AC), braking unit, driving unit, detecting unit and microprocessor. The frequency converter is used for adjusting the voltage and frequency of the output power supply by switching on and off the internal IGBT, and providing the required power supply voltage according to the actual requirement of the motor, so as to achieve the purposes of energy saving and speed regulation. Along with the continuous improvement of the industrial automation degree, the frequency converter is also widely used. The communication frequency converter is one kind of frequency converter, and is mainly used for performing frequency conversion control on communication equipment.

In order to match outdoor communication equipment, a communication frequency converter usually arranged outdoors needs to meet good sealing performance so as to prevent dust from entering the frequency converter to damage corresponding electronic devices, but in order to ensure sealing performance, heat dissipation performance is usually sacrificed, so that heat dissipation performance is poor, and the service life of the frequency converter is also influenced.

Disclosure of Invention

The utility model discloses a heat dissipation type communication frequency converter, which can prevent external dust from damaging electronic devices of the frequency converter while ensuring heat dissipation effect.

The utility model discloses a heat dissipation type communication frequency converter, which comprises a front shell and a rear shell, wherein the front shell is connected with the rear shell and is separated by a partition board, a control component is arranged in the front shell, the control component comprises a power element, a through hole corresponding to the power element is arranged on the partition board, a heat dissipation piece is fixed in the rear shell and is adhered and fixed with the partition board, the heat dissipation piece covers the through hole, and one end face of the power element penetrates through the through hole and is adhered to the heat dissipation piece;

the first end array of backshell distributes and has a plurality of rectangular shape air inlet, the second end of backshell is provided with the air exhauster, the air inlet with the air exhauster is located respectively the both ends position of radiating member.

Further, the second end of backshell sets up the fan shell, the fan shell with the backshell can dismantle the connection, the air exhauster with fan shell fixed connection, be provided with a plurality of air-out holes on the fan shell.

Further, the second end of backshell is provided with the mounting groove, the one end of mounting groove is provided with the draw-in groove, be provided with on the fan casing with the joint arch that the draw-in groove corresponds, the mounting groove with the one end that the draw-in groove is relative is provided with the butt groove, be provided with on the fan casing with the one end that the joint is protruding relative is provided with the elastic arm, the elastic arm stretches into in the butt groove and butt the butt groove.

Further, the baffle sets up on the backshell, the backshell is kept away from the one end open setting of baffle, the open end of backshell is provided with the installation department, be provided with on the installation department with installation screw complex screw hole.

Further, a wire passing hole communicated with the front shell is formed in the mounting groove, an electric connecting wire of the fan can extend into the front shell through the wire passing hole, and a sealing plug for allowing the power supply connecting wire to pass through is sleeved in the wire passing hole.

Further, the control assembly comprises a circuit board, the power element is electrically connected with the circuit board, and the circuit board is fixedly connected with the partition board through screws.

Further, the front shell with the backshell is fixed through a plurality of joint structure joint, the joint structure is including setting up cardboard on the front shell and setting up joint groove on the backshell, be provided with the joint mouth on the cardboard, be provided with in the joint groove with the joint arch that the joint mouth corresponds, the cardboard stretches into in the joint groove so that the joint is protruding with the joint mouth joint.

Further, one end of the front shell, which is far away from the rear shell, is provided with a face shell, the face shell is fixedly clamped with the front shell, and a keyboard module is arranged on the face shell.

Further, a testing port is formed in one side face of the front shell, a baffle is arranged at the testing port, one end of the baffle is hinged to the testing port, and the baffle can be opened or closed relative to the front shell in a rotating mode.

Further, protruding portions are respectively arranged on two sides, away from the hinge end, of the baffle, and interference fit between the baffle and the test port is achieved through the protruding portions so as to increase friction force between the baffle and the test port.

Compared with the prior art, the technical scheme disclosed by the utility model has the beneficial effects that:

the control assembly is arranged in the front shell, and the front shell is separated from the rear shell through a partition plate, so that dust cannot enter the front shell from the rear shell, and further, the electronic elements of the control assembly cannot be damaged; and the power element with higher heating in the control assembly is attached to the radiating piece, the heat generated during the working of the power element is absorbed through the radiating piece, then the exhaust fan accelerates the ventilation in the rear shell, the radiating piece is radiated, and the damage of dust to the electronic element is reduced during the radiating.

Drawings

Fig. 1 is a schematic diagram of a frequency converter;

FIG. 2 is an exploded view of a frequency converter;

FIG. 3 is an exploded view of a frequency converter;

FIG. 4 is a schematic diagram of the frequency converter at another viewing angle;

FIG. 5 is an exploded view of a frequency converter;

FIG. 6 is a schematic view of the structure of the test port and the baffle.

Detailed Description

The following description of the embodiments of the present utility model will be made with reference to the drawings in which the embodiments of the present utility model are clearly and fully described, it should be noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or there may be an intervening component at the same time. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should be further noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, the utility model discloses a heat dissipation type communication frequency converter 100, the communication frequency converter 100 comprises a front shell 11 and a rear shell 12, the front shell 11 is fixedly connected with the rear shell 12, a control component is arranged in the front shell 11, the control component comprises a circuit board 21 and various electronic elements arranged on the circuit board 21, meanwhile, a power element 22 is arranged on the circuit board 21, and a large amount of heat can be generated when the power element 22 works.

In this application, the power element 22 may be a control tube, a triode, an IGBT, or the like.

In this application, the front shell 11 and the rear shell 12 are both made of plastic materials by injection molding, and when the front shell 11 is connected with the rear shell 12, a partition plate 121 is disposed between the front shell 11 and the rear shell 12, and the partition plate 121 can separate the front shell 11 from the rear shell 12. In one embodiment, the partition 121 is fixedly connected to the rear case 12. In this application, the partition 121 is one side plate of the rear case 12.

Further, the partition 121 is provided with a through hole 1211 corresponding to the power element 22. The electrical connection end of the power element 22 is electrically connected to the circuit board 21, and the heating surface of the power element 22 may extend into the rear case 12 through the through hole 1211. In this application, a heat dissipation member 23 is disposed in the rear case 12, the heat dissipation member 23 is fixedly connected with the partition 121, and the heating surface of the power element 22 may pass through the through hole 1211 and be attached to the heat dissipation member 23, so as to transfer heat to the heat dissipation member 23.

In this application, the through hole 1211 is a conformal hole, and may be configured according to the shape of the power element 22, so that not only the through hole 1211 may be plugged, but also the through hole 1211 may limit the power element 22.

Further, the heat sink 23 is attached to the inner surface of the partition 121 in the rear case 12 and covers the through hole 1211, thereby preventing dust in the rear case 12 from entering the front case 11 through the through hole 1211.

Further, the rear case 12 is disposed at an end remote from the partition 121, so that the heat dissipation member 23 dissipates heat.

Further, the open end of the rear case 12 is provided with a mounting portion 123, the mounting portion 123 is provided with a screw hole 124 matched with a mounting screw, and when the frequency converter is mounted, the screw passes through the screw hole 124 and is connected with a corresponding screw hole, so that the frequency converter is mounted on a corresponding plane.

Further, a plurality of elongated air inlet holes 122 are distributed at the first end of the rear housing 12 in an array manner, an exhaust fan 32 is disposed at the second end of the rear housing 12, and the air inlet holes 122 and the exhaust fan 32 are respectively located at two ends of the heat dissipation member 23. Specifically, when the exhaust fan 32 works, wind enters the rear housing 12 from the air inlet 122, and is discharged from the rear housing 12 under the action of the exhaust fan 32, so that the circulation of air in the rear housing 12 is quickened, and the heat dissipation effect is improved.

As shown in fig. 3, further, a fan housing 31 is disposed at the second end of the rear housing 12, the fan housing 31 is detachably connected with the rear housing 12, the exhaust fan 32 is fixedly connected with the fan housing 31, and a plurality of air outlet holes 311 are disposed on the fan housing 31. When the exhaust fan 32 is operated, air in the rear housing 12 can be exhausted through the air outlet 311.

Further, the second end of the rear housing 12 is provided with a mounting groove 125, one end of the mounting groove 125 is provided with a clamping groove 126, the fan housing 31 is provided with a clamping protrusion 312 corresponding to the clamping groove 126, one end of the mounting groove 125 opposite to the clamping groove 126 is provided with a butt groove 127, one end of the fan housing 31 opposite to the clamping protrusion 312 is provided with an elastic arm 313, and the elastic arm 313 extends into the butt groove 127 and abuts against the butt groove 127. When the fan housing 31 is required to be mounted, the fan housing 31 is extended into the mounting groove 125, the clamping protrusion 312 is extended into the clamping groove 126, and then the elastic arm 313 is extended into the abutting groove 127, so that the fan housing 31 is fixed in the mounting groove 125, and the fan 32 fixed on the fan housing 31 is mounted. When the fan case 31 needs to be detached, an external force is applied to the elastic arm 313, so that the elastic arm 313 is separated from the abutting groove 125, and the clamping protrusion 312 is separated from the clamping groove 126, so that the fan case 31 is detached from the mounting groove 125.

As shown in fig. 4, further, a wire through hole 128 is disposed in the mounting groove 125 and is in communication with the front housing 11, the electrical connection wire of the fan 32 may extend into the front housing 11 through the wire through hole 128, and a sealing plug 129 through which the electrical connection wire passes is sleeved in the wire through hole 128. The sealing plug 129 is provided to prevent dust from entering the front housing 11 from the wire passing hole 128.

Further, the circuit board 21 is fixedly connected to the partition 121 by screws. To increase the connection stability of the front case 11 and the rear case 12, in one embodiment, screws are screwed through the spacer 121 and the circuit board 21 to the front case 11.

As shown in fig. 5, the front shell 11 and the rear shell 12 are fastened and fixed by a plurality of fastening structures, the fastening structures include a fastening plate 111 disposed on the front shell 11 and a fastening slot 1212 disposed on the rear shell 12, a fastening port 112 is disposed on the fastening plate 111, a fastening protrusion 1213 corresponding to the fastening port 112 is disposed in the fastening slot 1212, and the fastening plate 111 extends into the fastening slot 1212 to fasten the fastening protrusion 1213 to the fastening port 112, so that the front shell 11 is fastened to the rear shell 12.

The front shell 11 is provided with a face shell 13 at one end far away from the rear shell 12, the face shell 13 is fixedly clamped with the front shell 11, and the face shell 13 is provided with a keyboard module 14. In this application, the keyboard module 14 is in communication with a control panel of the frequency converter.

As shown in fig. 6, a test port 113 is provided on a side surface of the front case 11, a baffle 114 is provided at the test port 113, one end of the baffle 114 is hinged to the test port 113, and the baffle 114 rotates relative to the front case 11 to open or close the test port 113. In this application, the test port 113 is provided with a test port in the inner shell, or a corresponding software burning port is provided, which is not limited herein.

The two sides of the baffle 114 far away from the hinged end are respectively provided with a protruding part 115, and the baffle 114 is in interference fit with the test port 113 through the protruding part 115 so as to increase friction force with the test port 113.

The present utility model can be embodied in various forms and modifications without departing from the broad spirit and scope of the utility model, and the above-described embodiments are intended to be illustrative of the utility model, but not limiting the scope of the utility model.

Claims

1. The heat dissipation type communication frequency converter is characterized by comprising a front shell and a rear shell, wherein the front shell is connected with the rear shell and is separated by a partition board, a control component is arranged in the front shell, the control component comprises a power element, a through hole corresponding to the power element is formed in the partition board, a heat dissipation piece is fixed in the rear shell and is adhered and fixed with the partition board, the heat dissipation piece covers the through hole, and one end face of the power element penetrates through the through hole and is adhered to the heat dissipation piece;

2. The heat dissipation type communication inverter as set forth in claim 1, wherein the second end of the rear housing is provided with a fan housing, the fan housing is detachably connected with the rear housing, the exhaust fan is fixedly connected with the fan housing, and the fan housing is provided with a plurality of air outlets.

3. The heat dissipation type communication inverter as set forth in claim 2, wherein the second end of the rear housing is provided with a mounting groove, one end of the mounting groove is provided with a clamping groove, the fan housing is provided with a clamping protrusion corresponding to the clamping groove, one end of the mounting groove opposite to the clamping groove is provided with an abutting groove, one end of the fan housing opposite to the clamping protrusion is provided with an elastic arm, and the elastic arm extends into the abutting groove and abuts against the abutting groove.

4. A heat dissipating communication transducer as set forth in claim 3 wherein said spacer is disposed on said rear housing, said rear housing being disposed away from an open end of said spacer, said open end of said rear housing being provided with a mounting portion having screw holes for engaging with mounting screws.

5. A heat dissipating communication transducer as defined in claim 3, wherein a wire passing hole is provided in said mounting groove and is in communication with said front housing, an electrical connection wire of said fan is capable of extending into said front housing through said wire passing hole, and a sealing plug is provided in said wire passing hole for passing a power supply connection wire.

6. The heat dissipating communication transducer of claim 1, wherein the control assembly comprises a circuit board, the power element is electrically connected to the circuit board, and the circuit board is fixedly connected to the spacer by screws.

7. The heat dissipation type communication inverter as set forth in claim 6, wherein the front case and the rear case are fastened and fixed by a plurality of fastening structures, the fastening structures comprise a fastening plate disposed on the front case and a fastening groove disposed on the rear case, a fastening port is disposed on the fastening plate, a fastening protrusion corresponding to the fastening port is disposed in the fastening groove, and the fastening plate extends into the fastening groove to fasten the fastening protrusion to the fastening port.

8. The heat dissipation type communication inverter as set forth in claim 7, wherein a front housing is provided at an end of the front housing remote from the rear housing, the front housing is fastened to the front housing, and a keyboard module is provided on the front housing.

9. The heat dissipation type communication inverter as set forth in claim 8, wherein a test port is provided at a side of the front case, a baffle is provided at the test port, one end of the baffle is hinged to the test port, and the baffle rotates relative to the front case to open or close the test port.

10. The heat dissipation type communication inverter as set forth in claim 9, wherein the two sides of the baffle, which are far away from the hinge end, are respectively provided with a protrusion, and the baffle is in interference fit with the test port through the protrusions so as to increase friction force with the test port.