CN212303557U

CN212303557U - Cooling device of relay protector

Info

Publication number: CN212303557U
Application number: CN202021384359.0U
Authority: CN
Inventors: 张靖康; 其木格; 傅振鹤; 付美玲; 李红岩; 赵晨华; 孙伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-05
Anticipated expiration: 2030-07-14

Abstract

The utility model provides a relay protector heat sink, which comprises a bracket, wherein the upper end of the bracket is provided with a shell which is adaptive to a relay protector, the inner top of the shell is provided with an air inlet surge tank along the horizontal direction, the inner bottom of the shell is provided with an air exhaust surge tank along the horizontal direction, a plurality of heat exchange tubes are in conduction connection between the air inlet surge tank and the air exhaust surge tank along the horizontal direction at intervals, each heat exchange tube is arranged along the vertical direction, and the outer wall of each heat exchange tube is provided with a plurality of fins along the vertical direction at intervals; the top of the shell is provided with an air inlet mechanism communicated with the air inlet pressure stabilizing tank, and the bottom of the shell is provided with an air exhaust mechanism communicated with the air exhaust pressure stabilizing tank; the utility model discloses simple structure, compactness at the cooling in-process, can avoid the direct and relay protection ware contact of outside air to dust, moisture etc. that have contained in the outside air cause the influence to relay protection ware, and the result of use is better.

Description

Cooling device of relay protector

Technical Field

The utility model relates to a heat sink specifically is a relay protection ware heat sink.

Background

The relay protector is a comprehensive relay protection device which is designed based on a microprocessor and integrates protection of an Inverse Time limit (Inverse Time) relay and a timing Time limit (Independent Time) relay. Relays are often used to provide safety protection for electrical equipment, such as: short circuit and ground fault protection of transformers, motors, generators and transmission lines of an electrical power distribution system.

The relay protector can give off a large amount of heats at the in-process of work, in case the inside high temperature of device will influence the normal operating of device, consequently, need set up heat sink in order to guarantee relay protector's normal operating. The existing cooling device is generally cooled by mutually matching an air inlet, an air outlet and a fan, and the cooling device is cooled by adopting a mode of exchanging internal air and external air. However, in this way, the adverse factors such as dust and moisture contained in the outside air easily enter the inside of the device, which causes adverse effects on the relay protector, reduces the service life of the relay protector, and has poor use effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relay protector heat sink to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a cooling device for a relay protector comprises a support, wherein a shell matched with the relay protector is arranged at the upper end of the support, an air inlet pressure stabilizing tank is arranged at the inner top of the shell along the horizontal direction, an air exhaust pressure stabilizing tank is arranged at the inner bottom of the shell along the horizontal direction, a plurality of heat exchange tubes are in interval conduction connection between the air inlet pressure stabilizing tank and the air exhaust pressure stabilizing tank along the horizontal direction, each heat exchange tube is arranged along the vertical direction, and a plurality of fins are arranged on the outer wall of each heat exchange tube along the vertical direction at intervals; an air inlet mechanism communicated with the air inlet pressure stabilizing tank is arranged at the top of the shell, and an air exhaust mechanism communicated with the air exhaust pressure stabilizing tank is arranged at the bottom of the shell.

As a further aspect of the present invention: the support consists of a base and a plurality of support rods which are arranged on the top of the base in parallel at intervals; the shell is arranged at the upper end of the supporting rod.

As a further aspect of the present invention: the heat exchanger is characterized in that a plurality of pipe clamps which are matched with the heat exchange pipes are arranged on the inner rear wall of the shell at intervals along the vertical direction, and the heat exchange pipes are fixedly connected with the inner rear wall of the shell through the pipe clamps.

As a further aspect of the present invention: the air inlet mechanism consists of an air blower which is arranged at the top of the shell and is communicated with the air inlet pressure stabilizing tank, a fixing ring which is arranged at the outer top of the shell and is arranged at the periphery of the air blower, and a ventilation pipe which is communicated and connected with the upper end of the fixing ring along the horizontal direction; the ventilation pipe both ends are uncovered and are set up, are equipped with dustproof subassembly at the both ends of ventilation pipe.

As a further aspect of the present invention: the dustproof assembly is composed of first connecting rings in threaded connection with the two ends of the ventilation pipe and first dustproof nets arranged on the first connecting rings.

As a further aspect of the present invention: the exhaust mechanism is composed of an exhaust fan, a positioning ring, a second connecting ring and a second dustproof net, wherein the exhaust fan is arranged at the bottom of the shell and communicated with the exhaust pressure stabilizing tank, the positioning ring is arranged at the outer bottom of the shell at the periphery of the exhaust fan, the second connecting ring is in threaded connection with the lower end of the positioning ring, and the second dustproof net is arranged on the second connecting ring.

Compared with the prior art, the beneficial effects of the utility model are that:

after the above structure is adopted in the utility model, through mutually supporting of air inlet surge tank, air exhaust surge tank, each heat exchange tube, each fin, air inlet mechanism and exhaust mechanism, at the cooling in-process, the outside air is according to the preface through air inlet mechanism, air inlet surge tank and heat exchange tube, and the rethread air exhaust surge tank and exhaust mechanism discharge carry out the heat exchange with the inside hot-air of casing to the relay protection ware in the casing cools down. By adopting the cooling mode, the outside air is not in direct contact with the inside air, so that the influence of substances such as dust, moisture and the like contained in the outside air on the relay protector is avoided, the structure is simple and compact, the using effect is good, and the service life of the relay protector is ensured. Through mutually supporting of the solid fixed ring that sets up, ventilation pipe and dustproof subassembly, can filter the air that gets into in the air inlet surge tank, simultaneously, debris such as dust are difficult for long-pending stay on dustproof subassembly, and the result of use is better. The utility model discloses simple structure, compactness at the cooling in-process, can avoid the direct and relay protection ware contact of outside air to dust, moisture etc. that have contained in the outside air cause the influence to relay protection ware, and the result of use is better.

Drawings

Fig. 1 is a schematic structural diagram of a cooling device of a relay protector.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a partially enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a support; 101. a base; 102. a support bar; 2. a housing; 3. an air inlet pressure stabilizing tank; 4. an air exhaust pressure stabilizing tank; 5. A heat exchange pipe; 6. a fin; 7. an air inlet mechanism; 701. a blower; 702. a fixing ring; 703. a vent pipe; 704. a dust-proof assembly; 705. a first connecting ring; 706. a first dust screen; 8. an air exhaust mechanism; 801. an exhaust fan; 802. a positioning ring; 803. a second connection ring; 804. a second dust screen; 9. and (6) pipe clamping.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a temperature reduction device for a relay protector comprises a bracket 1, wherein a shell 2 adapted to the relay protector is arranged at the upper end of the bracket 1, an air inlet pressure stabilizing tank 3 is arranged at the inner top of the shell 2 along the horizontal direction, an air exhaust pressure stabilizing tank 4 is arranged at the inner bottom of the shell 2 along the horizontal direction, a plurality of heat exchange tubes 5 are connected between the air inlet pressure stabilizing tank 3 and the air exhaust pressure stabilizing tank 4 at intervals along the horizontal direction, each heat exchange tube 5 is arranged along the vertical direction, and a plurality of fins 6 are arranged on the outer wall of each heat exchange tube 5 at intervals along the vertical direction; an air inlet mechanism 7 communicated with the air inlet surge tank 3 is arranged at the top of the shell 2, and an air exhaust mechanism 8 communicated with the air exhaust surge tank 4 is arranged at the bottom of the shell 2. Through the air inlet surge tank 3, the surge tank 4 of airing exhaust, each heat exchange tube 5, each fin 6, air inlet mechanism 7 and 8 mutually supporting of exhaust mechanism, at the cooling in-process, the outside air passes through air inlet mechanism 7, air inlet surge tank 3 and heat exchange tube 5 according to the preface, and the rethread is aired

exhaust surge tank

4 and 8 discharges of exhaust mechanism, carries out the heat exchange with the inside hot-air of casing 2 to the relay protection ware to in casing 2 cools down. By adopting the cooling mode, the outside air is not in direct contact with the inside air, so that the influence of substances such as dust, moisture and the like contained in the outside air on the relay protector is avoided, the structure is simple and compact, the using effect is good, and the service life of the relay protector is ensured.

The support 1 consists of a base 101 and a plurality of support rods 102 which are arranged on the top of the base 101 in parallel at intervals; the shell 2 is arranged at the upper end of the support rod 102, the structure is simple, the use cost is low, and the shell 2 can be supported.

In addition, a plurality of pipe clamps 9 which are adaptive to the heat exchange pipe 5 are arranged on the inner rear wall of the shell 2 at intervals along the vertical direction, and the heat exchange pipe 5 is fixedly connected with the inner rear wall of the shell 2 through the pipe clamps 9, so that the space for installing the relay protector in the shell 2 can be ensured.

Specifically, the air intake mechanism 7 is composed of an air blower 701 arranged at the top of the housing 2 and communicated with the air intake surge tank 3, a fixing ring 702 arranged at the outer top of the housing 2 at the periphery of the air blower 701, and a ventilation pipe 703 communicated and connected to the upper end of the fixing ring 702 along the horizontal direction; the two ends of the ventilation pipe 703 are open, and the two ends of the ventilation pipe 703 are provided with dustproof assemblies 704. Through the mutually supporting of the fixed ring 702, the ventilation pipe 703 and the dustproof assembly 704 that set up, can filter the air that gets into in the air inlet surge tank 3, simultaneously, debris such as dust are difficult for long-pending on the dustproof assembly 704, and the result of use is better.

Further, the dust-proof assembly 704 is composed of first connection rings 705 screwed to both ends of the ventilation pipe 703, and first dust-proof nets 706 provided on the respective first connection rings 705. The dust screen can be conveniently detached, so that the dust screen can be conveniently cleaned or replaced.

Specifically, the exhaust mechanism 8 is composed of an exhaust fan 801 disposed at the bottom of the casing 2 and communicated with the exhaust surge tank 4, a positioning ring 802 disposed at the outer bottom of the casing 2 at the periphery of the exhaust fan 801, a second connecting ring 803 screwed to the lower end of the positioning ring 802, and a second dust screen 804 disposed on the second connecting ring 803. The convenient dismantlement to the convenience is cleared up and is changed the dust screen.

In this embodiment, it should be noted that the blower 701 and the suction fan 801 adopted in the present application are both in the prior art, and the connection between the components is also in the prior art, so the connection relationship and principle thereof are not described herein again.

The utility model discloses a theory of operation is: during the use, outside air passes through air inlet mechanism 7, air inlet surge tank 3 and heat exchange tube 5 according to the preface, and the rethread air

exhaust surge tank

4 and 8 discharges of exhaust mechanism carry out the heat exchange with the inside hot-air of casing 2 to cool down the relay protection ware in the casing 2.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A relay protector cooling device comprises a support (1) and is characterized in that a shell (2) matched with a relay protector is arranged at the upper end of the support (1), an air inlet pressure stabilizing tank (3) is arranged at the inner top of the shell (2) along the horizontal direction, an air exhaust pressure stabilizing tank (4) is arranged at the inner bottom of the shell (2) along the horizontal direction, a plurality of heat exchange tubes (5) are in interval conduction connection between the air inlet pressure stabilizing tank (3) and the air exhaust pressure stabilizing tank (4) along the horizontal direction, each heat exchange tube (5) is arranged along the vertical direction, and a plurality of fins (6) are arranged on the outer wall of each heat exchange tube at intervals along the vertical direction; an air inlet mechanism (7) communicated with the air inlet pressure stabilizing tank (3) is arranged at the top of the shell (2), and an air exhaust mechanism (8) communicated with the air exhaust pressure stabilizing tank (4) is arranged at the bottom of the shell (2).

2. A relay protector cooling device according to claim 1, wherein the bracket (1) is composed of a base (101) and a plurality of support rods (102) arranged in parallel and at intervals on the top of the base (101); the shell (2) is arranged at the upper end of the support rod (102).

3. A relay protector cooling device according to claim 1, wherein the inner rear wall of the casing (2) is provided with a plurality of pipe clamps (9) adapted to the heat exchange pipes (5) at intervals along the vertical direction, and the heat exchange pipes (5) are fixedly connected with the inner rear wall of the casing (2) through the pipe clamps (9).

4. A relay protector cooling device according to claim 1, wherein the air intake mechanism (7) is composed of an air blower (701) arranged at the top of the housing (2) and communicated with the air intake surge tank (3), a fixing ring (702) arranged at the outer top of the housing (2) at the periphery of the air blower (701), and a ventilation pipe (703) in horizontal direction and communicated with the upper end of the fixing ring (702); the two ends of the ventilation pipe (703) are open, and the two ends of the ventilation pipe (703) are provided with dustproof assemblies (704).

5. A relay protector cooling device according to claim 4, wherein said dust-proof assembly (704) is composed of first connection rings (705) screwed to both ends of the ventilation pipe (703), and first dust-proof nets (706) provided on the respective first connection rings (705).

6. A relay protector cooling device according to claim 1, wherein the air exhaust mechanism (8) is composed of an air exhauster (801) disposed at the bottom of the casing (2) and communicated with the air exhaust surge tank (4), a positioning ring (802) disposed at the outer bottom of the casing (2) at the periphery of the air exhauster (801), a second connecting ring (803) screwed at the lower end of the positioning ring (802), and a second dust screen (804) disposed on the second connecting ring (803).