CN210166897U

CN210166897U - Fire monitor for electric appliance

Info

Publication number: CN210166897U
Application number: CN201921145507.0U
Authority: CN
Inventors: 商桢
Original assignee: Jing'an Engineering Co Ltd
Current assignee: Jing'an Engineering Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-03-20
Anticipated expiration: 2029-07-19

Abstract

The utility model relates to an electrical apparatus conflagration watch-dog belongs to watch-dog technical field, including the casing, be provided with the monitoring host computer in the casing, the last mount pad that is provided with of shells inner wall is provided with the semiconductor refrigeration piece on the mount pad, and the semiconductor refrigeration piece is provided with the radiating piece with hot junction surface contact including hot terminal surface and cold junction surface on the casing, be provided with the switch of control semiconductor refrigeration piece circular telegram or outage on the casing surface. When the monitoring host computer during operation can produce a large amount of heats, open the switch, let the semiconductor refrigeration piece circular telegram, the semiconductor refrigeration piece begins to refrigerate this moment, and the heat of hot terminal surface is here scattered through the radiating piece, and the cold terminal surface carries out the heat exchange with the hot-air in the casing, and then cools down the operational environment of monitoring host computer for radiating effect in the casing is better.

Description

Fire monitor for electric appliance

Technical Field

The utility model belongs to the technical field of the watch-dog technique and specifically relates to an electrical apparatus conflagration watch-dog is related to.

Background

At present, with the rapid development of electronic technology, electronic control technology is widely applied in various fields, and an important field terminal device for collecting fire hazard information of a plurality of electric appliances in an electric appliance fire monitor is applicable to places with high fire hazard occurrence rate of the electric appliances, such as large warehouses, commercial buildings, offices and other places with complex circuits.

Among the prior art, the patent application of grant publication No. CN207587123U discloses an electrical apparatus fire control ware, which comprises a housin, be equipped with the monitoring host computer in the casing, be equipped with the display screen on the surface of casing, shift knob and radiating area, be equipped with more than five louvres at least on the radiating area, the louvre is including being the main opening of circular setting, and lay the vice hole that is the rectangle around the main opening circumference, be equipped with the heating panel in the casing, be equipped with the fixture block one with main opening looks adaptation on the heating panel, and the fixture block two with vice hole looks adaptation, when electrical apparatus fire control ware needs to use, order about the heating panel through promoting fixture block one and move towards the monitoring host computer, make fixture block two can break away from the vice hole, make the vice hole be the open mode.

The fire monitor can produce a large amount of heat in the operation process, and only relies on the louvre of seting up on the casing surface to dispel the heat, and the radiating effect is unsatisfactory.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electrical apparatus conflagration watch-dog has the advantage that the radiating effect is good.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an electrical apparatus conflagration watch-dog, includes the casing, is provided with the monitoring host computer in the casing, is provided with the mount pad on the shells inner wall, is provided with the semiconductor refrigeration piece on the mount pad, and the semiconductor refrigeration piece includes hot terminal surface and cold terminal surface, is provided with the radiating piece with hot terminal surface contact on the casing, is provided with the switch of control semiconductor refrigeration piece circular telegram or outage on the casing surface.

Through adopting above-mentioned technical scheme, can produce a large amount of heats when the monitoring host computer during operation, open the switch, let the semiconductor refrigeration piece circular telegram, the semiconductor refrigeration piece begins to refrigerate this moment, and the heat of hot terminal surface is here scattered through the radiating piece, and the cold terminal surface carries out the heat exchange with the hot-air in the casing, and then cools down the operational environment of monitoring host computer for radiating effect in the casing is better.

The utility model discloses further set up to: the heat dissipation piece comprises a heat dissipation plate and a heat conduction silicone grease layer, wherein the heat dissipation plate is arranged on the outer wall of the shell, and the heat conduction silicone grease layer is coated on the surface, close to the semiconductor refrigeration piece, of the heat dissipation plate.

Through adopting above-mentioned technical scheme, heat conduction silicone grease layer has higher heat conductivity, can fully moisten the contact surface of heating panel and semiconductor refrigeration face, improves heat conduction efficiency between them greatly for the heat is faster to be dispelled through the heating panel, improves the radiating effect.

The utility model discloses further set up to: the shell is provided with an opening for clamping and embedding the heat dissipation plate, and the shell is provided with a fixing piece for preventing the heat dissipation plate from falling off from the opening.

Through adopting above-mentioned technical scheme, the heating panel inlay card is in the opening, and the mounting can prevent that the heating panel from dropping on the opening, plays seal housing's effect, prevents that dust etc. from getting into in the casing, influence monitoring host's work, has dustproof effect.

The utility model discloses further set up to: the holding tank has been seted up all around to the heating panel on the casing and be located, the holding tank runs through the casing setting far away from the face of semiconductor refrigeration piece, the mounting is including setting up the dead lever in the holding tank, the dead lever is including being connected to interior pole on the heating panel and outer pole of grafting and sliding connection in interior pole, be provided with the spring between outer pole and the interior pole, the both ends of spring are connected to respectively in the diapire of outer pole grafting position in interior pole, set up the fixed slot that is used for supplying the outer pole to resist the elasticity immigration of spring on the face of casing orientation heating panel, the tip that the.

Through adopting above-mentioned technical scheme, when the heating panel was fixed on the casing, the outer pole resisted the elasticity of spring and pegged graft in the fixed slot, prevented that the heating panel from dropping. After the heat conduction silicone grease layer used a period of time, need paint again on the heating panel in order to guarantee good radiating effect, stir the plectrum this moment for the outer pole breaks away from in the fixed slot, and with the heating panel at this moment in the opening part pull down, paint new heat conduction silicone grease.

The utility model discloses further set up to: be provided with the locating plate on the interior pole, wear to establish and sliding connection has the locating lever on the locating plate, and the one end of locating lever is rotated and is connected to the plectrum on, is provided with the joint piece on the locating lever, offers the through-hole that is used for supplying the joint piece to pass on the locating plate, offers the recess that is used for supplying joint piece joint on the face that the locating plate deviates from the plectrum, and the plectrum drives the outer pole and breaks away from in the fixed slot when joint piece joint is in.

Through adopting above-mentioned technical scheme, when needs drive outer rod and fixed slot and be the off-state, operating personnel pulling locating lever drives the plectrum and removes for the fixed block passes the through-hole, rotates the locating lever this moment, and the fixed block resists in the elasticity joint to the recess of spring, makes the plectrum drive outer rod break away from with the fixed slot all the time, need not operating personnel and pulling the locating lever always, uses manpower sparingly, and is simple and convenient.

The utility model discloses further set up to: a sealing gasket is arranged between the shell and the heat dissipation plate and fixedly connected to the shell.

Through adopting above-mentioned technical scheme, sealed the leakproofness that can strengthen between casing and the heating panel that fills up, improve sealed effect.

The utility model discloses further set up to: the cold end face of the semiconductor refrigeration piece is provided with a plurality of cold conducting pieces.

By adopting the technical scheme, the cold-conducting sheet can increase the contact area between the cold end surface of the semiconductor refrigerating sheet and hot air in the shell, accelerate the heat exchange between the cold end surface and the hot air in the shell and improve the heat dissipation effect.

The utility model discloses further set up to: a silica gel thin plate is arranged on the mounting seat.

By adopting the technical scheme, the silica gel has stronger adsorption performance, can dry the working environment around the semiconductor refrigeration piece, and prolongs the service life of the semiconductor refrigeration piece.

The utility model discloses further set up to: a plurality of polygonal grooves are formed in the surface, away from the semiconductor refrigeration sheet, of the heat dissipation plate.

Through adopting above-mentioned technical scheme, polygonal groove multiplicable heating panel and outside air's area of contact for the heating panel is faster with the heat effluvium, improves the radiating effect of heating panel.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the monitoring host computer during operation can produce a large amount of heats, open the switch, let the semiconductor refrigeration piece circular telegram, the semiconductor refrigeration piece begins to refrigerate this moment, and the heat of hot terminal surface is here scattered through the radiating piece, and the cold terminal surface carries out the heat exchange with the hot-air in the casing, and then cools down the operational environment of monitoring host computer for radiating effect in the casing is better.

2. The heat dissipation integrated circuit board inlays in the opening, and the mounting can prevent that the heating panel from dropping on the opening, plays sealed housing's effect, prevents in dust etc. gets into the casing, influences the work of monitoring host computer, has dustproof effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the components in the housing of the present invention;

fig. 3 is a schematic view of the explosion structure for showing the semiconductor refrigeration plate and the heat dissipation plate of the present invention;

fig. 4 is an exploded view of the heat dissipation plate and the housing of the present invention;

fig. 5 is a schematic view of the explosion structure for displaying the inner rod and the outer rod of the present invention.

Reference numerals: 1. a housing; 2. a mounting seat; 3. a semiconductor refrigeration sheet; 31. a hot end face; 32. a cold end face; 4. a switch; 5. a heat dissipation plate; 6. a thermally conductive silicone layer; 7. an opening; 8. accommodating grooves; 9. fixing the rod; 91. an inner rod; 92. an outer rod; 10. a spring; 11. fixing grooves; 12. a shifting sheet; 13. positioning a plate; 14. positioning a rod; 15. a clamping block; 16. a through hole; 17. a groove; 18. a gasket; 19. a cold conducting sheet; 20. a silica gel sheet; 21. polygonal groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model discloses an electrical apparatus conflagration watch-dog combines fig. 1 and fig. 2, including casing 1, be provided with the monitoring host in the casing 1, be provided with mount pad 2 on the casing 1 inner wall, be provided with semiconductor refrigeration piece 3 on the mount pad 2, semiconductor refrigeration piece 3 includes hot terminal surface 31 and cold terminal surface 32, is provided with the radiating piece that contacts with hot terminal surface 31 on the casing 1, is provided with the switch 4 of 3 circular telegrams of control semiconductor refrigeration piece or outage on the casing 1 surface.

The monitoring host computer during operation can produce a large amount of heats, opens switch 4, lets semiconductor refrigeration piece 3 circular telegrams, and semiconductor refrigeration piece 3 begins to refrigerate this moment, and the heat of hot end face 31 diffuses through the radiating piece this moment, and cold end face 32 carries out the heat exchange with the hot-air in the casing 1, and then cools down the operational environment of monitoring host computer for the radiating effect in the casing 1 is better.

As shown in fig. 2, since the working environment around the semiconductor chilling plate 3 cannot be too wet, a silicone sheet 20 is disposed on the mounting base 2. The silica gel has strong adsorption performance, can dry the working environment around the semiconductor refrigerating sheet 3, and prolongs the service life of the semiconductor refrigerating sheet 3.

As shown in fig. 3, the heat sink includes a heat sink plate 5 and a heat conductive silicone layer 6 disposed on the outer wall of the housing 1, and the heat conductive silicone layer 6 is coated on the surface of the heat sink plate 5 adjacent to the semiconductor cooling sheet 3.

The heat-conducting silicone grease layer 6 has higher heat conductivity, can fully moisten the contact surface of the heat dissipation plate 5 and the semiconductor refrigerating surface, greatly improves the heat conduction efficiency of the heat dissipation plate 5 and the semiconductor refrigerating surface, enables heat to be dissipated more quickly through the heat dissipation plate 5, and improves the heat dissipation effect.

As shown in fig. 3, in order to further improve the heat dissipation effect of the heat dissipation plate 5, a plurality of polygonal grooves 21 are formed on the surface of the heat dissipation plate 5 facing away from the semiconductor cooling plate 3. The polygonal groove 21 increases the contact area of the heat sink 5 with the external air, so that the heat sink 5 dissipates heat more quickly.

As shown in fig. 3, the air in the casing 1 becomes hot due to the heat generated by the monitoring host during operation, and a plurality of cold conducting fins 19 are disposed on the cold end surface 32 of the semiconductor refrigeration fin 3 to accelerate the heat exchange between the cold end surface 32 and the hot air in the casing 1 and improve the heat dissipation effect. The cold guide plate 19 can increase the contact area between the cold end surface 32 of the semiconductor refrigeration plate 3 and the hot air in the shell 1, thereby improving the heat dissipation effect.

As shown in fig. 4, an opening 7 for engaging with the heat sink 5 is formed in the housing 1, a gasket 18 is disposed between the housing 1 and the heat sink 5, the gasket 18 is fixedly connected to the housing 1, and a fixing member for preventing the heat sink 5 from falling off from the opening 7 is disposed on the housing 1.

When heating panel 5 inlay card is in opening 7, the mounting can prevent that heating panel 5 from dropping on opening 7 in transportation or working process, plays sealed housing 1's effect, prevents that dust etc. from getting into in housing 1, influencing the work of monitoring host computer, has dustproof effect. The gasket 18 enhances the sealing between the case 1 and the heat radiating plate 5, thereby improving the sealing effect.

Combine fig. 4 and fig. 5, just be located heating panel 5 on the casing 1 and seted up holding tank 8 all around, holding tank 8 runs through casing 1 setting far away from the face of semiconductor refrigeration piece 3, the mounting is including setting up dead lever 9 in holding tank 8, dead lever 9 is including being connected to interior pole 91 on heating panel 5 and the outer pole 92 of grafting and sliding connection on interior pole 91, be provided with spring 10 between outer pole 92 and the interior pole 91, the both ends of spring 10 are connected to interior pole 91 respectively on the diapire of outer pole 92 grafting position, casing 1 offers the fixed slot 11 that is used for supplying outer pole 92 to resist the immigration of spring 10 on the face of heating panel 5, the tip that outer pole 92 is close to heating panel 5 is provided with plectrum 12.

When the heat radiating plate 5 is fixed to the case 1, the outer lever 92 is inserted into the fixing groove 11 against the elastic force of the spring 10, preventing the heat radiating plate 5 from falling. After heat conduction silicone grease layer 6 used a period of time, need paint again on heating panel 5 in order to guarantee good radiating effect, stir plectrum 12 this moment for outer pole 92 breaks away from in fixed slot 11, pull down heating panel 5 in opening 7 this moment, paints new heat conduction silicone grease.

As shown in fig. 5, in order to adjust outer pole 92 and fixed slot 11 and break away from for convenience, be provided with locating plate 13 on interior pole 91, wear to establish and sliding connection has locating lever 14 on locating plate 13, the one end of locating lever 14 rotates and is connected to on plectrum 12, be provided with joint piece 15 on locating lever 14, set up the through-hole 16 that is used for supplying joint piece 15 to pass on locating plate 13, set up the recess 17 that is used for supplying joint piece 15 joint on the face that locating plate 13 deviates from plectrum 12, plectrum 12 drives outer pole 92 and breaks away from in fixed slot 11 when joint piece 15 joint is in recess 17.

When needs drive outer pole 92 and fixed slot 11 and be the disengagement state, operating personnel pulling locating lever 14 drives plectrum 12 and removes for the fixed block passes through-hole 16, rotates locating lever 14 this moment, and the fixed block resists in spring 10's elasticity joint to recess 17, makes plectrum 12 drive outer pole 92 break away from with fixed slot 11 all the time, need not operating personnel and is pulling locating lever 14 always, uses manpower sparingly, and is simple and convenient.

The implementation principle of the embodiment is as follows:

when the monitoring host computer during operation, can produce a large amount of heats, open switch 4 this moment, let semiconductor refrigeration piece 3 circular telegrams, semiconductor refrigeration piece 3 begins to refrigerate this moment, and the heat of hot junction face 31 passes through on heat conduction silicone grease reaches the fin this moment, through the fin effluvium heat, cold junction face 32 carries out the heat exchange through leading cold fin 19 and the hot-air in the casing 1, and then cools down the operational environment of monitoring host computer, makes the radiating effect in the casing 1 better. At this time, the outer rod 92 is engaged with the fixing groove 11, and the heat dissipation plate 5 is fixed to the housing 1, thereby preventing the heat dissipation plate 5 from falling.

When new heat conduction silicone grease layer 6 needs to be painted, an operator pulls positioning rod 14 to drive shifting piece 12 to move, so that the fixing block penetrates through hole 16, positioning rod 14 is rotated at the moment, the fixing block resists the elastic force of spring 10 and is clamped into groove 17, shifting piece 12 drives outer rod 92 to be always separated from fixing groove 11, and heat dissipation plate 5 is taken down from shell 1.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an electrical apparatus fire control ware, includes casing (1), be provided with monitoring host computer, its characterized in that in casing (1): be provided with on casing (1) inner wall mount pad (2), be provided with semiconductor refrigeration piece (3) on mount pad (2), semiconductor refrigeration piece (3) are including hot terminal surface (31) and cold terminal surface (32), be provided with the radiating piece that contacts with hot terminal surface (31) on casing (1), be provided with switch (4) of control semiconductor refrigeration piece (3) circular telegram or outage on casing (1) surface.

2. An electrical fire monitor according to claim 1, wherein: the heat dissipation piece comprises a heat dissipation plate (5) and a heat conduction silicone grease layer (6) which are arranged on the outer wall of the shell (1), wherein the heat conduction silicone grease layer (6) is coated on the surface, close to the semiconductor refrigeration piece (3), of the heat dissipation plate (5).

3. An electrical fire monitor according to claim 2, wherein: the heat dissipation plate is characterized in that an opening (7) used for clamping and embedding the heat dissipation plate (5) is formed in the shell (1), and a fixing piece used for preventing the heat dissipation plate (5) from falling off from the opening (7) is arranged on the shell (1).

4. An electrical fire monitor according to claim 3, wherein: the shell (1) is provided with accommodating grooves (8) around the heat dissipation plate (5), the surface of the accommodating groove (8) far away from the semiconductor refrigeration sheet (3) penetrates through the shell (1), the fixing piece comprises a fixing rod (9) arranged in the accommodating groove (8), the fixing rod (9) comprises an inner rod (91) connected to the heat dissipation plate (5) and an outer rod (92) inserted and connected to the inner rod (91) in a sliding mode, a spring (10) is arranged between the outer rod (92) and the inner rod (91), two ends of the spring (10) are respectively connected to the bottom wall of the inner rod (91) at the plugging position of the outer rod (92), the surface of the shell (1) facing the heat dissipation plate (5) is provided with a fixing groove (11) for the outer rod (92) to move in against the elasticity of the spring (10), the end part of the outer rod (92) close to the heat dissipation plate (5) is provided with a shifting sheet (12).

5. An electrical fire monitor according to claim 4, wherein: be provided with locating plate (13) on interior pole (91), wear to establish and sliding connection has locating lever (14) on locating plate (13), the one end of locating lever (14) is rotated and is connected to on plectrum (12), be provided with joint piece (15) on locating lever (14), set up through-hole (16) that are used for supplying joint piece (15) to pass on locating plate (13), offer recess (17) that are used for supplying joint piece (15) joint on locating plate (13) deviate from the face of plectrum (12), work as plectrum (12) drive outer pole (92) and break away from in fixed slot (11) when joint piece (15) joint is in recess (17).

6. An electrical fire monitor according to claim 3, wherein: be provided with sealed pad (18) between casing (1) and heating panel (5), sealed pad (18) fixed connection is on casing (1).

7. An electrical fire monitor according to claim 1, wherein: and a plurality of cold guide sheets (19) are arranged on the cold end surface (32) of the semiconductor refrigeration sheet (3).

8. An electrical fire monitor according to claim 1, wherein: and a silica gel thin plate (20) is arranged on the mounting seat (2).

9. An electrical fire monitor according to claim 2, wherein: and a plurality of polygonal grooves (21) are formed in the surface of the heat dissipation plate (5) departing from the semiconductor refrigeration sheet (3).