CN216532295U

CN216532295U - Circuit board protection box that heat dispersion is good

Info

Publication number: CN216532295U
Application number: CN202121965896.9U
Authority: CN
Inventors: 池凌鸿; 章群
Original assignee: Wuxi Luanyu Microelectronics Co ltd
Current assignee: Wuxi Luanyu Microelectronics Co ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-05-13
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a circuit board protective box with good heat dissipation performance, which comprises a protective box, a heat dissipation assembly and a fixing assembly, wherein the heat dissipation assembly is arranged at the top in the protective box, the heat dissipation assembly is particularly composed of a semiconductor refrigeration sheet, a cooling fan, an exhaust fan, a controller and a temperature sensor, the exhaust fan and the semiconductor refrigeration sheet are arranged at the top in the protective box, the controller and the temperature sensor are arranged in a matching manner, so that the temperature in the protective box can be monitored through the temperature sensor, the protective effect of cooling and heat dissipation is provided for the protective box through the exhaust fan and the semiconductor refrigeration sheet, screw sleeves are arranged at two ends of the surface of a storage plate through bearings, screws are inserted at the top in the screw sleeves, the top ends of the screws are connected with the bottom ends of supporting rods through rotating rods, the supporting rods are connected with a fixing frame through rotating rods, a pressing plate is arranged at the bottom ends of the supporting rods, and the bottom ends of the supporting rods are driven to slide upwards while the screws are drawn upwards, thereby pressing the pressing plate downwards and fixing and storing the circuit board.

Description

Circuit board protection box that heat dispersion is good

Technical Field

The utility model relates to the technical field of circuit board protection box equipment, in particular to a circuit board protection box with good heat dissipation performance.

Background

The circuit board has the name: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, PCB boards, aluminum substrates, high frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, printed (copper etching technology) circuit boards and other circuit boards miniaturize and visualize circuits, which play an important role in mass production of fixed circuits and optimization of electrical appliance layout, and are called printed circuit boards or printed circuit boards, FPC boards (FPC boards, also called flexible circuit boards, are made of polyimide or polyester film as a base material, which have high reliability, and the most flexible printed circuit boards have the characteristics of high wiring density, light weight, thin thickness, and good bending property) and the birth and development of flexible circuit boards, flexible circuit boards and rigid circuit boards, and thus, flexible circuit boards and rigid circuit boards have been promoted to be new products of flexible circuit boards, the circuit board with the FPC characteristic and the PCB characteristic is formed by combining the procedures of pressing and the like according to the relevant process requirements.

A circuit board protection box that heat dispersion is good on the market has following drawback: common circuit board protection box only uses an exhaust fan to dispel the heat in to the box usually, and the radiating effect is relatively poor, leads to the circuit board to damage because of the temperature is higher in the protection box easily to directly place the circuit board in the protection box usually, can't fix the circuit board, when the transport protection box, inside circuit board damages owing to rock striking protection box inner wall easily.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a circuit board protection box with good heat dissipation performance, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the technical scheme that:

the utility model provides a circuit board protection box that heat dispersion is good, includes the protection box, still includes radiator unit and fixed subassembly, radiator unit installs top in the protection box, radiator unit specifically comprises semiconductor refrigeration piece, cooling fan, exhaust fan, controller and temperature sensor, the top is provided with the exhaust fan in the protection box, temperature sensor is installed in protection box inside top left side, the temperature sensor top is connected with the controller, semiconductor refrigeration piece is installed at protection box inside right side top, the semiconductor refrigeration piece outside is provided with the cooling fan, temperature sensor's signal output part connection director's signal input part, the signal output part of controller connects the signal input part of semiconductor refrigeration piece, fixed subassembly specifically by putting thing board, bearing, swivel nut, screw rod, bull stick, mount, branch, The pressing plate and the rotating shaft.

Further, install in the protection box and put the thing board, and put the thing board and be provided with three groups, put thing board surface both ends and pass through the bearing and connect the swivel nut bottom, the top screw thread is pegged graft in the swivel nut and is had the screw rod, the branch bottom is connected through the pivot in the screw rod top, the clamp plate is installed on the branch top, the mount is connected through the bull stick in the branch bottom, the thing board surface is put in the connection to the mount bottom, puts thing board surface both ends and passes through bearing installation swivel nut to top grafting screw rod in the swivel nut, the branch bottom is connected through the pivot in the screw rod top, and branch passes through the bull stick and connects the mount, and sets up the clamp plate bottom branch top to in the branch bottom, in order to drive branch bottom upwards to slide through upwards twitching the screw rod, thereby push down the clamp plate, thereby press fixed the saving to the circuit board.

Further, it is provided with the draw runner to put thing board both ends, draw runner sliding connection is in the slide rail, the slide rail sets up both ends in the protection box, and the draw runner sliding connection who puts thing board both ends setting can be convenient for take out the thing board from the protection box in the slide rail, places or takes out the circuit board and use.

Furthermore, the dust guard is all installed on exhaust fan and cooling fan surface, and exhaust fan and cooling fan surface mounting's dust guard can prevent when using for a long time, and the dust gets into and piles up in exhaust fan and the cooling fan.

Furthermore, the rubber pad is adhered to the bottom of the pressing plate, and the rubber pad adhered to the bottom of the pressing plate can provide a protective effect on the surface of the circuit board when the circuit board is clamped and fastened.

Compared with the prior art, the utility model has the following beneficial effects: top installation exhaust fan and semiconductor refrigeration piece in the protection box, and the cooperation sets up controller and temperature sensor, so that monitor the internal temperature of protection box through temperature sensor, and provide the radiating guard action of cooling through exhaust fan and semiconductor refrigeration piece in to the protection box, prevent that the internal temperature of protection box is too high and lead to the circuit board to damage, it is safer to use, put thing board surface both ends and pass through bearing installation swivel nut, and top grafting screw rod in the swivel nut, the branch bottom is connected through the pivot on the screw rod top, branch passes through the bull stick and connects the mount, and set up the clamp plate bottom branch top, so that drive branch bottom endwise slip when upwards twitching the screw rod, thereby move the clamp plate downwards, thereby press the fixed save to the circuit board.

Drawings

Fig. 1 is a schematic perspective view of an entire circuit board protection box with good heat dissipation performance according to the present invention.

Fig. 2 is a schematic plan view of a circuit board protection box object placing plate with good heat dissipation performance.

Fig. 3 is a schematic plan view of a circuit board protective box pressing plate with good heat dissipation performance according to the present invention.

In the figure: 1. a protective case; 2. a heat dissipating component; 201. a semiconductor refrigeration sheet; 202. a cooling fan; 203. an exhaust fan; 204. a controller; 205. a temperature sensor; 3. a fixing component; 301. a storage plate; 302. a bearing; 303. a threaded sleeve; 304. a screw; 305. a rotating rod; 306. a fixed mount; 307. a strut; 308. pressing a plate; 309. a rotating shaft; 4. a dust-proof plate; 5. a slide bar; 6. a slide rail; 7. and (7) a rubber pad.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1-3, a circuit board protection box with good heat dissipation performance comprises a protection box 1, a heat dissipation assembly 2 and a fixing assembly 3, wherein the heat dissipation assembly 2 is installed at the top inside the protection box 1, the heat dissipation assembly 2 specifically comprises a semiconductor refrigeration sheet 201, a cooling fan 202, an exhaust fan 203, a controller 204 and a temperature sensor 205, the exhaust fan 203 is arranged at the top inside the protection box 1, the temperature sensor 205 is installed at the left side of the top inside the protection box 1, the top of the temperature sensor 205 is connected with the controller 204, the semiconductor refrigeration sheet 201 is installed at the top of the right side inside the protection box 1, the cooling fan 202 is arranged outside the semiconductor refrigeration sheet 201, the signal output end of the temperature sensor 205 is connected with the signal input end of the controller 204, and the signal output end of the controller 204 is connected with the signal input end of the semiconductor refrigeration sheet 201, the fixing component 3 is specifically composed of an object placing plate 301, a bearing 302, a threaded sleeve 303, a screw 304, a rotating rod 305, a fixing frame 306, a supporting rod 307, a pressing plate 308 and a rotating shaft 309.

Wherein, the protection box 1 is internally provided with an object placing plate 301, three groups of object placing plates 301 are arranged, two ends of the surface of the object placing plate 301 are connected with the bottom end of a threaded sleeve 303 through a bearing 302, a screw 304 is inserted into the top end of the threaded sleeve 303 in a threaded manner, the top end of the screw 304 is connected with the bottom end of a supporting rod 307 through a rotating shaft 309, a pressing plate 308 is arranged at the top end of the supporting rod 307, the bottom of the supporting rod 307 is connected with a fixed frame 306 through a rotating rod 305, the bottom of the fixed frame 306 is connected with the surface of the object placing plate 301, two ends of the surface of the object placing plate 301 are provided with the threaded sleeve 303 through the bearing 302, the screw 304 is inserted into the top end of the threaded sleeve 303, the top end of the screw 304 is connected with the bottom end of the supporting rod 307 through the rotating shaft 309, the supporting rod 307 is connected with the fixed frame 306 through the rotating rod 305, and the pressing plate 308 is arranged at the bottom end of the top end of the supporting rod 307, so that the bottom end of the supporting rod 307 is driven to slide upwards while the screw 304 is pulled upwards, thereby pressing the pressing plate 308 downwards, thereby pressing, fixing and storing the circuit board.

Wherein, it is provided with draw runner 5 to put thing board 301 both ends, 5 sliding connection of draw runner are in slide rail 6, slide rail 6 sets up both ends in protection box 1, and 5 sliding connection of draw runner that put thing board 301 both ends setting can be convenient for take thing board 301 out from protection box 1 in, place or take out the circuit board and use in slide rail 6.

The dust-proof plate 4 is installed on the surface of each of the exhaust fan 203 and the cooling fan 202, and the dust-proof plate 4 installed on the surface of each of the exhaust fan 203 and the cooling fan 202 can prevent dust from accumulating in the exhaust fan 203 and the cooling fan 202 when the air conditioner is used for a long time.

The rubber pad 7 is adhered to the bottom of the pressing plate 308, and the rubber pad 7 adhered to the bottom of the pressing plate 308 can clamp and fasten the circuit board at regular time, so that the surface of the circuit board is protected.

It should be noted that, the utility model is a circuit board protection box with good heat dissipation performance, when in use, after placing a circuit board on the surface of the object placing plate 301, rotating the clockwise rotating screw sleeve 303 to draw out the screw 304 from the screw sleeve 303 upwards, driving the bottom end of the supporting rod 307 to slide upwards through the rotating shaft 309, thereby driving the pressing plate 308 at the top end of the supporting rod 307 to press downwards under the restriction action of the rotating rod 305 and the fixing frame 306, pressing the two sides of the circuit board to fix and press the circuit board, preventing the circuit board from shaking and impacting the inner wall of the protection box 1 to damage when moving, and when needing to take out the circuit board, only needing to rotate the screw sleeve 303 anticlockwise, after inserting the screw 304 into the screw sleeve 303, driving the bottom end of the supporting rod 307 to slide downwards, thereby lifting the pressing plate 308 upwards to take out the circuit board, the use is more convenient, after placing the circuit board, pushing the object placing plate 301 into the protection box 1, the slide bars 5 at the two ends of the object placing plate 301 slide in the slide rails 6, the object placing plate 301 is pressed into the protective box 1, when the circuit board is stored in the using process, the temperature in the protective box 1 may rise, the circuit board also generates a large amount of heat in the using process, after the temperature in the protective box 1 rises to a certain degree, the temperature sensor 205 monitors that the temperature reaches the set highest temperature, after a signal is transmitted into the controller 204, the controller 204 controls the semiconductor refrigerating sheet 201, the exhaust fan 203 and the cooling fan 202 to start and rotate, the semiconductor refrigerating sheet 201 refrigerates and cools the protective box 1, the exhaust fan 203 accelerates the air circulation in the protective box 1, the semiconductor refrigerating sheet 201 utilizes the Peltier effect of semiconductor materials, when direct current passes through a couple formed by connecting two different semiconductor materials in series, the two ends of the couple can respectively absorb heat and emit heat, the semiconductor refrigerating sheet 201 is a heat transfer tool, when a thermocouple formed by connecting an N-type semiconductor material and a P-type semiconductor material has current flowing through the thermocouple pair, heat transfer can be generated between two ends, the heat can be transferred from one end to the other end, so that temperature difference is generated to form a cold end and a hot end, the heat between two polar plates can also be reversely transferred through air and the semiconductor material, when the cold end and the hot end reach a certain temperature difference and the quantities of the two heat transfers are equal, a balance point can be reached, the forward and reverse heat transfer are mutually offset, the temperature of the cold end and the hot end can not be continuously changed, the refrigerating effect is achieved, the inside of the protective box 1 is cooled, the cooling fan 202 arranged outside the semiconductor refrigerating sheet 201 can cool and dissipate the heat of the heat dissipating end of the semiconductor refrigerating sheet 201, so that the refrigerating end of the semiconductor refrigerating sheet 201 in the protective box 1 can reach lower temperature, the protection box 1 is cooled and radiated better.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A circuit board protection box with good heat dissipation performance comprises a protection box (1) and is characterized by further comprising a heat dissipation assembly (2) and a fixing assembly (3), wherein the heat dissipation assembly (2) is installed at the top in the protection box (1), the heat dissipation assembly (2) is specifically composed of a semiconductor refrigeration sheet (201), a cooling fan (202), an exhaust fan (203), a controller (204) and a temperature sensor (205), the exhaust fan (203) is arranged at the top in the protection box (1), the temperature sensor (205) is installed on the left side of the top in the protection box (1), the top of the temperature sensor (205) is connected with the controller (204), the semiconductor refrigeration sheet (201) is installed at the top of the right side in the protection box (1), the cooling fan (202) is arranged on the outer side of the semiconductor refrigeration sheet (201), and a signal output end of the temperature sensor (205) is connected with a signal input end of the controller (204), the signal output end of the controller (204) is connected with the signal input end of the semiconductor refrigerating sheet (201), and the fixing assembly (3) is composed of an object placing plate (301), a bearing (302), a threaded sleeve (303), a screw rod (304), a rotating rod (305), a fixing frame (306), a supporting rod (307), a pressing plate (308) and a rotating shaft (309).

2. The circuit board protective box with good heat dissipation performance according to claim 1, wherein: install in protection box (1) and put thing board (301), and put thing board (301) and be provided with three groups, put thing board (301) surface both ends and pass through bearing (302) and connect swivel nut (303) bottom, the threaded grafting of top has screw rod (304) in swivel nut (303), branch (307) bottom is connected through pivot (309) in screw rod (304) top, clamp plate (308) are installed on branch (307) top, branch (307) bottom is through bull stick (305) connection mount (306), mount (306) bottom is connected and is put thing board (301) surface.

3. The circuit board protective box with good heat dissipation performance according to claim 1, wherein: put thing board (301) both ends and be provided with draw runner (5), draw runner (5) sliding connection is in slide rail (6), slide rail (6) set up both ends in protective housing (1).

4. The circuit board protective box with good heat dissipation performance according to claim 1, wherein: dust shields (4) are arranged on the surfaces of the exhaust fan (203) and the cooling fan (202).

5. The circuit board protective box with good heat dissipation performance according to claim 1, wherein: the bottom of the pressing plate (308) is adhered with a rubber pad (7).