CN215582041U

CN215582041U - Overheat protection device with hierarchical overheat protection circuit

Info

Publication number: CN215582041U
Application number: CN202121168459.4U
Authority: CN
Inventors: 宋伟; 向奕璇; 欧阳杰
Original assignee: Chengdu Hangyu Zhuoyue Electronic Technology Co ltd
Current assignee: Chengdu Hangyu Zhuoyue Electronic Technology Co ltd
Priority date: 2021-05-28
Filing date: 2021-05-28
Publication date: 2022-01-18
Anticipated expiration: 2031-05-28

Abstract

The utility model discloses an overheating protection device with a graded overheating protection circuit, which comprises a protection shell and a base, wherein sliding grooves are symmetrically formed in the base, springs are symmetrically and fixedly connected in the base and positioned in the two sliding grooves, one ends of the two springs, far away from the base, are fixedly connected with clamping blocks, one ends of the two clamping blocks extend into the protection shell and are provided with clamping grooves, the two clamping blocks are clamped with the two clamping grooves, one sides of the two clamping blocks, far away from the springs, are fixedly connected with pushing rods, one ends of the two pushing rods, far away from the clamping blocks, are fixedly connected with limiting blocks, and the outer sides of one ends of the two pushing rods are in threaded connection with threaded sleeves; therefore, the circuit board inspection device achieves the purposes of facilitating the observation and the maintenance of an operator on the circuit board and saving time and energy, and is high in practicability and simple to operate.

Description

Overheat protection device with hierarchical overheat protection circuit

Technical Field

The utility model relates to the technical field of circuit boards, in particular to an overheating protection device with a graded overheating protection circuit.

Background

And (4) overheating protection, namely starting a corresponding protection function when the temperature exceeds a certain threshold value. Because energy conversion or friction produce the heat in electronic equipment or mechanical operation, can lead to the operation unusual or trouble, the circuit board can produce the heat when carrying out work, when the heat gived off slowly, the condition such as burnout can probably appear in the circuit board to lead to the circuit to appear destroying, so have overheat protection device mostly, exceed corresponding threshold and will start the protection. However, when the circuit board is damaged and needs to be observed and overhauled, the conventional overheating protection device needs to be disassembled from the whole overheating protection device, the process is troublesome, a large amount of time and energy are wasted, and the operation is inconvenient for operators. To this end, we propose an overheat protection device with a stepped overheat protection circuit.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an overheat protection device with a hierarchical overheat protection circuit, so as to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an overheat protection device with hierarchical overheat protection circuit, includes protection casing and base, the spout has been seted up to the inside symmetry of base, the base is inside and be located two spouts interior symmetry fixedly connected with spring, two base one end fixedly connected with fixture block, two are kept away from to the spring fixture block one end extends to and has seted up the draw-in groove in the protection casing, two fixture block and two draw-in groove joints, two spring one side fixedly connected with catch bar, two are kept away from to the fixture block the catch bar is kept away from fixture block one end fixedly connected with stopper, two catch bar one end outside threaded connection has the threaded sleeve.

Preferably, the base top end is fixedly connected with a fixed seat, and the fixed seat top end is fixedly connected with a cooling fan.

Preferably, the top end of the base is symmetrically and fixedly connected with supporting plates, the top ends of the two supporting plates are fixedly connected with supporting blocks, and the top ends of the supporting blocks are fixedly connected with a circuit board.

Preferably, the semiconductor refrigeration pieces are fixedly connected to two sides of the supporting block at equal intervals.

Preferably, one side of the inside of the protection shell is fixedly connected with a fixing block, and the top end of the fixing block is fixedly connected with a temperature sensor.

Preferably, the heat dissipation holes are formed in the outer side of the protection shell at equal intervals, and a filter screen is fixedly connected inside the heat dissipation holes.

Preferably, the outer side of the protection shell is fixedly connected with a control panel, and the temperature sensor and the cooling fan are electrically connected with the control panel.

Compared with the prior art, the utility model has the beneficial effects that: through the matching use of the clamping block, the spring and the push rod, an operator can conveniently take out the protective shell to observe and overhaul the circuit board, a large amount of time and energy are saved, the semiconductor refrigerating sheet and the heat dissipation fan can effectively dissipate heat and protect the circuit board when the temperature of the circuit board is too high, the temperature-adjustable heat dissipation device is high in practicability and simple to operate.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a front cross-sectional view of the structure of the present invention;

FIG. 3 is a top cross-sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of part A of the structure of the present invention.

In the figure: 1. a protective housing; 2. a filter screen; 3. a threaded bushing; 4. a base; 5. a control panel; 6. a fixed block; 7. a temperature sensor; 8. heat dissipation holes; 9. a circuit board; 10. a support block; 11. a semiconductor refrigeration sheet; 12. a support plate; 13. a heat radiation fan; 14. a fixed seat; 15. a spring; 16. a clamping block; 17. a push rod; 18. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an overheat protection device with hierarchical overheat protection circuit, including protection casing 1 and base 4, the spout has been seted up to the inside symmetry of base 4, base 4 is inside and be located two spouts symmetry fixedly connected with

spring

15, 4 one end fixedly connected with fixture block 16 of base are kept away from to two

springs

15, 16 one end of two fixture blocks extend to and have seted up the draw-in groove in the protection casing 1, two fixture blocks 16 and two draw-in groove joint, 15 one side fixedly connected with catch bar 17 of spring are kept away from to two fixture blocks 16, be convenient for take out protection casing 1, take out

circuit board

9, 16 one end fixedly connected with stopper 18 of fixture block are kept away from to two

catch bar

17, 17 one end outside threaded connection of two catch bars has threaded sleeve 3, prevent the random movement of catch bar 17.

Further, the top end of the base 4 is fixedly connected with a fixed seat 14, the top end of the fixed seat 14 is fixedly connected with a cooling fan 13, and when the temperature of the circuit board 9 is too high, the circuit board 9 can be cooled.

Further, the top end of the base 4 is symmetrically and fixedly connected with supporting plates 12, the top ends of the two supporting plates 12 are fixedly connected with supporting blocks 10, and the top ends of the supporting blocks 10 are fixedly connected with a circuit board 9, so that the circuit board 9 can be conveniently placed.

Furthermore, the semiconductor refrigeration pieces 11 are fixedly connected to two sides of the supporting block 10 at equal intervals, so that the circuit board 9 is effectively cooled.

Further, the inside one side fixedly connected with fixed block 6 of

protection casing

1, 6 top fixedly connected with temperature sensor 7 of fixed block detect the temperature of circuit board 9, prevent that the temperature from crossing the use that influences circuit board 9.

Further, the heat dissipation holes 8 are formed in the outer side of the protection shell 1 at equal intervals, heat dissipation is facilitated inside the device, and the filter screen 2 is fixedly connected inside the heat dissipation holes 8 and prevents dust from entering the device.

Further, the outside of the protection casing 1 is fixedly connected with the control panel 5, the temperature sensor 7 and the heat dissipation fan 13 are both electrically connected with the control panel 5, and when the temperature is too high, the temperature sensor 7 can automatically open the heat dissipation fan 13 to dissipate heat.

Specifically, when the utility model is used: when temperature sensor 7 detects out the inside heat of this device when too high, temperature sensor 7 opened radiator fan 13 automatically this moment and dispels the heat to circuit board 9, semiconductor refrigeration piece 11 refrigerates supporting shoe 10 always this moment, cool down circuit board 9 with this, when circuit board 9 is observed and overhauld to needs, operating personnel twists two screw sleeve 3 to the one side of keeping away from base 4 this moment, stop twisting when the inside touching stopper 18 of screw sleeve 3 moves, promote two catch bars 17 to 16 directions of fixture block this moment, two catch bars 17 drive two fixture block 16 extrusion two springs 15 this moment, two fixture block 16 break away from the joint to protection casing 1 this moment, take out protection casing 1 this moment, can observe and overhaul circuit board 9 this moment.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An overheat protection device with a hierarchical overheat protection circuit, includes protection casing (1) and base (4), its characterized in that: the spout has been seted up to the inside symmetry of base (4), base (4) is inside and be located two spouts interior symmetry fixedly connected with spring (15), two base (4) one end fixedly connected with fixture block (16), two are kept away from in spring (15) fixture block (16) one end extends to and has seted up the draw-in groove in protection casing (1), two fixture block (16) and two draw-in groove joints, two spring (15) one side fixedly connected with catch bar (17), two are kept away from in fixture block (16) catch bar (17) keep away from fixture block (16) one end fixedly connected with stopper (18), two catch bar (17) one end outside threaded connection has threaded sleeve (3).

2. The overheat protection device with a stepped overheat protection circuit according to claim 1, wherein: the base (4) top fixedly connected with fixing base (14), fixing base (14) top fixedly connected with radiator fan (13).

3. An overheat protection apparatus having a stepped overheat protection circuit according to claim 2, wherein: the base (4) top symmetry fixedly connected with backup pad (12), two equal fixedly connected with supporting shoe (10) in backup pad (12) top, supporting shoe (10) top fixed connection circuit board (9).

4. An overheat protection apparatus having a stepped overheat protection circuit according to claim 3, wherein: and semiconductor refrigerating pieces (11) are fixedly connected to the two sides of the supporting block (10) at equal intervals.

5. The overheat protection device with a stepped overheat protection circuit according to claim 1, wherein: the protection casing (1) inside one side fixedly connected with fixed block (6), fixed block (6) top fixedly connected with temperature sensor (7).

6. An overheat protection apparatus having a stepped overheat protection circuit according to claim 5, wherein: the heat dissipation holes (8) are formed in the outer side of the protection shell (1) at equal intervals, and the filter screen (2) is fixedly connected to the inner portions of the heat dissipation holes (8).

7. The overheat protection device with a stepped overheat protection circuit according to claim 6, wherein: the protection casing (1) outside fixedly connected with control panel (5), temperature sensor (7) and radiator fan (13) all with control panel (5) electric connection.