CN214070443U

CN214070443U - Heat dissipation type shell structure of electric power ammeter

Info

Publication number: CN214070443U
Application number: CN202022970788.2U
Authority: CN
Inventors: 蒋立群
Original assignee: Jiangsu Liyang Electronic Instrument Co ltd
Current assignee: Jiangsu Liyang Electronic Instrument Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-27
Anticipated expiration: 2030-12-11

Abstract

The utility model belongs to the technical field of power electricity meters, in particular to a heat dissipation type shell structure of a power electricity meter, which comprises a main shell body, wherein the main shell body comprises an upper cover and a lower box body, the inner side of the lower box body is provided with a heat absorption copper pipe, both sides of one end of the lower box body are provided with an air inlet fan and an air outlet fan, the air inlet fan and the air outlet fan are respectively communicated with both ends of the heat absorption copper pipe, the heat absorption copper pipe is embedded on the inner wall of the lower box body in an S shape, the outer surface of the lower box body is provided with a radiating fin, and one side of the radiating fin passes through the lower box body to be in contact with the surface of the heat absorption copper pipe; the utility model discloses an inlet fan, the fan of giving vent to anger and the heat absorption copper pipe of design make the air pass through in the heat absorption copper pipe fast through inlet fan and the fan operation of giving vent to anger to dispel the heat to casing inside, avoid because long-time use in the environment of high temperature and appear damaging or ageing phenomenon that accelerates, make electric power ammeter's life longer.

Description

Heat dissipation type shell structure of electric power ammeter

Technical Field

The utility model relates to a power ammeter technical field specifically is a heat dissipation type shell structure of power ammeter.

Background

An electric energy meter is an instrument for measuring electric energy, also called watt-hour meter, fire meter, kilowatt-hour meter, and refers to instruments for measuring various electric quantities. The electric energy meter can be divided into a direct current electric energy meter and an alternating current electric energy meter according to the used circuit. The ac electric energy meter can be divided into a single-phase electric energy meter, a three-phase three-wire electric energy meter and a three-phase four-wire electric energy meter according to the phase line. Electric energy meters can be classified into electromechanical type electric energy meters and electronic type electric energy meters (also called static type electric energy meters and solid type electric energy meters) according to their operating principles. Electromechanical electric energy meters are used in alternating current circuits as common electric energy measuring instruments, among which induction type electric energy meters are most commonly used. The electronic electric energy meter can be divided into a full electronic electric energy meter and an electromechanical electric energy meter. The electric energy meter can be divided into an integral electric energy meter and a split electric energy meter according to the structure. Electric energy meters can be classified into active electric energy meters, reactive electric energy meters, maximum demand meters, standard electric energy meters, multi-rate time-sharing electric energy meters, prepaid electric energy meters, loss electric energy meters, multifunctional electric energy meters and the like according to the purposes.

The shell structure of the existing electric power meter is only used for installing an electric energy measuring element when in use, an internal element can generate a large amount of heat when in use, and the phenomenon of accelerating aging can occur when the internal element is used in a high-temperature environment for a long time due to poor heat dissipation when in use, so that the technical problem needs to be solved by providing the heat dissipation type shell structure of the electric power meter.

Disclosure of Invention

An object of the utility model is to provide a heat dissipation type shell structure of electric power ammeter, the shell structure of having solved current electric power ammeter internal element can produce a large amount of heats when using, and not good heat dissipation leads to the internal element to use the problem that can appear accelerating ageing in the higher environment of temperature for a long time during the use.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a heat dissipation type shell structure of electric power ammeter, includes the main casing body, the main casing body includes upper cover and lower box body, the inboard of box body is provided with the heat absorption copper pipe down, and the one end both sides of lower box body are provided with inlet fan and the fan of giving vent to anger, inlet fan and the fan of giving vent to anger communicate with the both ends of heat absorption copper pipe respectively, the heat absorption copper pipe is the S-shaped gomphosis on the inner wall of box body under, the surface of box body is provided with the fin down, the surface contact of box body and heat absorption copper pipe is passed down to one side of fin.

Preferably, the heat absorption copper pipe is provided with a heat conduction carbon fiber layer on the outer side, the heat conduction carbon fiber layer is completely wrapped on the heat absorption copper pipe, and the surface of the heat conduction carbon fiber layer is attached with a heat conduction graphite film.

Preferably, dust covers are arranged on the outer sides of the air inlet fan and the air outlet fan and fixedly connected with the lower box body through screws.

Preferably, the upside of box body under the upper cover installation, the upper surface of box body is provided with the connection picture peg down, fixed slot has been seted up to the internal surface of upper cover, connect the picture peg and insert in the fixed slot, the one end of connecting the picture peg is hugged closely and is had fixed briquetting, fixed briquetting and fixed slot sliding connection, the outside of upper cover is closed soon has the knob screw, the one end of knob screw is passed the upper cover and is passed the bearing rotation with fixed briquetting and be connected.

Preferably, the shape of connecting the picture peg sets up to the swallow-tail form, the one end of fixed sticising block sets up to the inclined plane, and the fixed inclined plane of sticising the piece tip hugs closely with the one end of connecting the picture peg, the one end of fixed slot and the other end block of connecting the picture peg.

Preferably, one end of the main shell is provided with a junction box body, and a junction hole is formed in the lower side of the junction box body.

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

1. the utility model discloses an inlet fan of design, fan and heat absorption copper pipe give vent to anger, have the radiating effect who has high heat conduction at the horizontal direction through the heat conduction graphite membrane, make the heat horizontally scatter on the heat conduction graphite membrane and prevent to appear damaging because the heat is too high on a bit, then heat conduction to the heat absorption copper pipe through heat conduction carbon fiber layer, through inlet fan and the intraductal heat absorption copper of air-out fan operation messenger air is quick followed, thereby dispel the heat to the casing is inside, avoid appearing damaging or ageing phenomenon that accelerates because long-time use in the environment of high temperature, make the life of electric power ammeter longer.

2. The utility model discloses a connection picture peg, fixed slot and the fixed tight briquetting of design insert fixed slot through connecting the picture peg in, then manual knob screw that closes promotes fixed tight briquetting and sticiss in the one end of connecting the picture peg soon to install the upper cover on box body down, when needing to overhaul box body internal element down, only need manual rotatory knob screw can accomplish the dismouting to upper cover and box body down, thereby the convenience overhauls or changes internal element.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the main housing of the present invention;

fig. 3 is the schematic view of the installation structure of the heat absorption copper pipe of the present invention.

In the figure: 1. a main housing; 2. a heat sink; 3. an air intake fan; 4. an air outlet fan; 5. a junction box body; 6. a wiring hole; 7. an upper cover; 8. a lower box body; 9. connecting the plugboards; 10. fixing the slot; 11. fixing a pressing block; 12. a knob screw; 13. a heat absorbing copper pipe; 14. a heat conductive carbon fiber layer; 15. a thermally conductive graphite film.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, a heat dissipation type casing structure of an electric power meter comprises a main casing 1, the main casing 1 comprises an upper cover 7 and a lower box 8, a heat absorption copper pipe 13 is disposed at the inner side of the lower box 8, an air inlet fan 3 and an air outlet fan 4 are disposed at two sides of one end of the lower box 8, the air inlet fan 3 and the air outlet fan 4 are respectively communicated with two ends of the heat absorption copper pipe 13, the heat absorption copper pipe 13 is embedded on the inner wall of the lower box 8 in an S-shape, a heat sink 2 is disposed on the outer surface of the lower box 8, one side of the heat sink 2 passes through the lower box 8 to contact with the surface of the heat absorption copper pipe 13, air is rapidly passed through the heat absorption copper pipe 13 by the operation of the inlet fan 3 and the outlet fan 4, therefore, the heat dissipation is carried out in the shell, the phenomenon that the shell is damaged or aged and accelerated due to long-time use in an environment with overhigh temperature is avoided, and the phenomenon that dust enters the main shell 1 to affect the heat dissipation of elements is reduced.

Referring to fig. 3, a heat conductive carbon fiber layer 14 is disposed outside the heat absorption copper pipe 13, the heat conductive carbon fiber layer 14 completely wraps the heat absorption copper pipe 13, and a heat conductive graphite film 15 is attached to the surface of the heat conductive carbon fiber layer 14, so that heat is horizontally dispersed by the heat conductive graphite film 15 to prevent damage due to overhigh heat at one point, and then heat is conducted to the heat absorption copper pipe 13 through the heat conductive carbon fiber layer 14.

Referring to fig. 1, dust covers are disposed on outer sides of the air inlet fan 3 and the air outlet fan 4, and the dust covers are fixedly connected to the lower box body 8 through screws, so that dust is prevented from entering the heat absorption copper pipe 13.

Referring to fig. 2, the upper cover 7 is installed on the upper side of the lower box body 8, the upper surface of the lower box body 8 is provided with a connecting insertion plate 9, the inner surface of the upper cover 7 is provided with a fixing slot 10, the connecting insertion plate 9 is inserted into the fixing slot 10, one end of the connecting insertion plate 9 is tightly attached with a fixing pressing block 11, the fixing pressing block 11 is pushed to be tightly pressed on the connecting insertion plate 9 through the fixing pressing block 11 to be clamped and fixed, the fixing pressing block 11 is slidably connected with the fixing slot 10, a knob screw 12 is screwed on the outer side of the upper cover 7, one end of the knob screw 12 penetrates through the upper cover 7 to be rotatably connected with the fixing pressing block 11 through a bearing, and the knob screw 12 drives the fixing pressing block 11 to slide in the fixing slot 10 conveniently.

Referring to fig. 2, the connecting insertion plate 9 is shaped like a dovetail, one end of the fixed pressing block 11 is an inclined surface, the inclined surface of the end portion of the fixed pressing block 11 is closely attached to one end of the connecting insertion plate 9, and one end of the fixed slot 10 is engaged with the other end of the connecting insertion plate 9, so that the connecting insertion plate 9, the fixed pressing block 11 and the fixed slot 10 are stably connected.

Referring to fig. 1, a junction box 5 is disposed at one end of a main housing 1, and a junction hole 6 is formed at a lower side of the junction box 5 for conveniently connecting an electric wire.

The heat-conducting graphite film 15 has a heat dissipation effect with high heat conduction in the horizontal direction, the heat-conducting carbon fiber layer 14 is a novel heat-conducting heat dissipation material, the heat-conducting heat dissipation effect is very obvious, and the heat-conducting graphite film is widely applied to electronic products such as PDP, LCD TV, notewood PC, UMPC, Flat Panel Display, MPU, Projector, Power Supply and the like; the heat-conducting carbon fiber 14 is a high-heat-conducting carbon fiber material developed by a high-performance fire-resistant mica tape for thermal engineering design, the heat conductivity coefficient of the carbon fiber in the fiber direction can exceed copper, and can reach 700W/mk at most, and the carbon fiber has good mechanical property and excellent heat conduction and radiation heat dissipation capacity, and the fibrous high-heat-conducting carbon powder made of the carbon fiber is fibrous, and can be used for designing heat conduction orientation, which is different from the maximum difference and advantages of the previous carbon powder and other heat conduction materials.

The utility model discloses the concrete implementation process as follows:

when the device is used, the electric wires are connected through the wiring box body 5 and the wiring hole 6, when elements in the main shell body 1 emit heat, the heat conducting graphite film 15 has a high heat conducting heat radiating effect in the horizontal direction, the heat is horizontally dispersed on the heat conducting graphite film 15 to prevent the elements from being damaged due to overhigh heat at one point, then the heat conducting carbon fiber layer 14 conducts heat to the heat absorbing copper pipe 13 to enable the heat absorbing copper pipe 13 to absorb the heat, then the air is quickly taken away from the heat absorbing copper pipe 13 to radiate the heat through the operation of the air inlet fan 3 and the air outlet fan 4, the heat radiating is assisted by the radiating fins 2 to radiate the heat outwards from the heat absorbing copper pipe 13, after the elements in the main shell body 1 are used for a long time, the knob screw 12 can be manually rotated to drive the fixed pressing block 11 to move away from the fixed slot 10, then the connecting plug board 9 is pulled out from the fixed slot 10 to detach the upper cover 7 from the lower box body 8, the elements in the lower box body 8 are overhauled, and the disassembly and the assembly are more convenient and quicker, so that the internal elements are conveniently overhauled or replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat dissipation type shell structure of electric power meter, including main casing body (1), its characterized in that: the main casing body (1) includes upper cover (7) and lower box body (8), the inboard of lower box body (8) is provided with endothermic copper pipe (13), and the one end both sides of lower box body (8) are provided with inlet fan (3) and air outlet fan (4), inlet fan (3) and air outlet fan (4) communicate with the both ends of endothermic copper pipe (13) respectively, endothermic copper pipe (13) are the S-shaped gomphosis on the inner wall of box body (8) down, the surface of lower box body (8) is provided with fin (2), the surface contact of box body (8) and endothermic copper pipe (13) is passed down to one side of fin (2).

2. A heat-dissipating type casing structure of an electric power meter in accordance with claim 1, wherein: the heat absorption copper pipe is characterized in that a heat conduction carbon fiber layer (14) is arranged on the outer side of the heat absorption copper pipe (13), the heat conduction carbon fiber layer (14) is completely wrapped on the heat absorption copper pipe (13), and a heat conduction graphite film (15) is attached to the surface of the heat conduction carbon fiber layer (14).

3. A heat-dissipating type casing structure of an electric power meter in accordance with claim 1, wherein: dust covers are arranged on the outer sides of the air inlet fan (3) and the air outlet fan (4) and fixedly connected with the lower box body (8) through screws.

4. A heat-dissipating type casing structure of an electric power meter in accordance with claim 1, wherein: the upside of upper cover (7) installation box body (8) under, the upper surface of box body (8) is provided with connection picture peg (9) down, fixed slot (10) have been seted up to the internal surface of upper cover (7), connect picture peg (9) insert in fixed slot (10), the one end of connecting picture peg (9) is hugged closely and is had fixed tight briquetting (11), fixed tight briquetting (11) and fixed slot (10) sliding connection, knob screw (12) have been closed soon in the outside of upper cover (7), the one end of knob screw (12) is passed upper cover (7) and is rotated through the bearing with fixed tight briquetting (11) and be connected.

5. A heat-dissipating housing structure for an electric power meter in accordance with claim 4, wherein: the shape of connection picture peg (9) sets up to the swallow-tail form, the one end of fixed briquetting (11) sets up to the inclined plane, and the inclined plane of fixed briquetting (11) tip is hugged closely with the one end of connection picture peg (9), the one end of fixed slot (10) and the other end block of connection picture peg (9).

6. A heat-dissipating type casing structure of an electric power meter in accordance with claim 1, wherein: the one end of main casing body (1) is provided with junction box body (5), wiring hole (6) have been seted up to the downside of junction box body (5).