CN211603439U

CN211603439U - Aging detection system for high-power transistor

Info

Publication number: CN211603439U
Application number: CN201922441739.7U
Authority: CN
Inventors: 裘卓敏
Original assignee: Shaaxi Sanhai Electronic Technology Co ltd
Current assignee: Shaaxi Sanhai Electronic Technology Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-29
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a detection system technical field that smelts always just discloses a high-power transistor detection system that smelts always, including the detection case that smelts always, the vent has all been seted up to the both sides of the detection case that smelts always, the top of the detection case that smelts always seted up the rotation hole, rotation downthehole rotation install the rotation post, the top fixed mounting who smelts always the detection case have the motor, just the top of rotation post extend to the top of the detection case that smelts always and with the output shaft fixed connection of motor, the outside fixed mounting of rotation post have the flabellum that is located the detection case that smelts always. The utility model discloses simple structure, convenient operation, can be fast convenient dispel the heat to the high-power transistor who smelts always in the detection case, prevent that the temperature from sharply rising, lead to the in-process of detection to cause the circuit to fire and burn out, give people and bring the problem of potential safety hazard, simultaneously, can accomplish the back at the heat dissipation and prevent dust to the detection case of smelting always, so satisfied people's needs.

Description

Aging detection system for high-power transistor

Technical Field

The utility model relates to a detecting system technical field that smelts always especially relates to a high-power transistor detecting system that smelts always.

Background

The high-power transistor is a transistor working under the conditions of high voltage and large current, is generally called as a power device, belongs to the research category of the field of power electronic technology (power electronic technology), and is essentially to effectively control the reasonable work of the power electronic device and provide high-power output for a load through the power electronic device;

in the prior art, when a high-power transistor is detected, particularly in summer, the temperature in an aging detection box rises sharply, and the high temperature causes the circuit to be burnt out due to fire in the detection process, so that potential safety hazards are brought to people, and the requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art and examining time measuring to high-power transistor, very much time inflammation summer can lead to the temperature in the detection case of smelting always sharply rising, and the in-process that the high temperature can lead to detecting causes the circuit to fire out and burns out, gives people the problem that brings the potential safety hazard, and the high-power transistor who provides smelts always detecting system always.

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

high-power transistor smelts detecting system always, including the detection case of smelting always, the both sides of smelting always have all seted up the vent, the top of smelting always the detection case seted up and rotate the hole, the rotation downthehole rotation install the rotation post, the top fixed mounting who smelts always the detection case have the motor, and the top of rotation post extend to the top of smelting always the detection case always and with the output shaft fixed connection of motor, the outside fixed mounting of rotation post have be located the flabellum that smelts always the detection case always, the both sides inner wall of smelting always seted up first rotation groove, two first rotation inslot all rotate and install first rotation pole, two the one end that first rotation pole is close to each other all extend to smelting always the detection case always and fixed mounting has first conical gear, the fixed cover in the outside of rotation post be equipped with second conical gear, and two first bevel gear all mesh with second bevel gear mutually, the both sides inner wall of ageing detection case on all set up the second rotating groove that is located first rotating groove below, two the second rotating groove in all rotate and install the second dwang, two the outside of second dwang all fixed cover be equipped with the eccentric wheel, the rotation of eccentric wheel drives the closing plate and removes.

Preferably, all seted up the shifting chute on the both sides inner wall of ageing detection case, two the shifting chute in equal slidable mounting have a movable block, two the one end that the movable block is close to each other all extend to in the ageing detection case and fixed mounting have the closing plate, and two the closing plate respectively with corresponding vent seal cooperation, two the top of closing plate contact with corresponding eccentric wheel respectively, the closing plate seals the vent.

Preferably, two moving blocks are provided with limiting holes, limiting rods are slidably mounted in the limiting holes, the top ends and the bottom ends of the limiting rods are fixedly connected with the top inner wall and the bottom inner wall of the corresponding moving groove respectively, and the limiting rods limit the moving blocks.

Preferably, the top of each of the two moving blocks is fixedly provided with a return spring sleeved outside the limiting rod, the top ends of the two return springs are respectively and fixedly connected with the inner wall of the top of the corresponding moving groove, and the return springs play roles in limiting and resetting.

Preferably, two the outside of first dwang all fix the cover and be equipped with first sprocket, two first sprocket on all mesh and have a chain, two the outside of second dwang all fix the cover and be equipped with the second sprocket, and two the second sprocket pass through two chains and be connected with corresponding first sprocket transmission respectively, two second sprockets drive two first sprockets through two chains and rotate.

Preferably, the number of flabellum is three, and is three the flabellum be annular equidistance and distribute in the outside of rotating the post, a plurality of flabellums have improved radiating efficiency.

Compared with the prior art, the utility model provides a high-power transistor smelts detecting system always possesses following beneficial effect:

1. according to the high-power transistor burn-in detection system, the motor is started firstly, the output shaft of the motor drives the rotating column to rotate, the rotating column drives the fan blades to rotate, and wind blown out of the fan blades dissipates heat of the high-power transistor in the burn-in detection box;

2. the high-power transistor burn-in detection system drives a second bevel gear to rotate through an output shaft of a motor, the second bevel gear drives two first bevel gears to rotate, the two first bevel gears drive two first rotating rods to rotate, the two first rotating rods drive two first chain wheels to rotate, the two first chain wheels drive two second chain wheels to rotate through two chains, two moving blocks stretch two reset springs, the two reset springs absorb energy, through the motionless rotation of the motor, the fan blades are driven to rotate motionless, and the heat in a burn-in detection box is discharged through a vent;

3. according to the high-power transistor aging detection system, after the heat dissipation is finished, the motor is turned off, so that the sealing plate seals and prevents dust for the ventilation opening;

and the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses simple structure, convenient operation can be fast convenient dispel the heat to the high-power transistor who smelts always in the detection case, prevents that the temperature from sharply rising, leads to causing the circuit to fire out among the process that detects, gives people and brings the problem of potential safety hazard, simultaneously, can prevent dust to smelting always after the heat dissipation is accomplished, so people's needs have been satisfied.

Drawings

Fig. 1 is a schematic view of a main view structure of a high-power transistor aging detection system provided by the present invention;

fig. 2 is a schematic structural diagram of a part a of the aging detection system for a high-power transistor according to the present invention;

fig. 3 is a structural schematic diagram of a part B of the aging detection system for a high-power transistor according to the present invention.

In the figure: 1 ageing detection box, 2 ventilation openings, 3 rotating holes, 4 rotating columns, 5 motors, 6 fan blades, 7 first rotating grooves, 8 first rotating rods, 9 first conical gears, 10 second conical gears, 11 second rotating grooves, 12 second rotating rods, 13 eccentric wheels, 14 moving grooves, 15 moving blocks, 16 sealing plates, 17 limiting holes, 18 limiting rods, 19 reset springs, 20 first chain wheels, 21 chains and 22 second chain wheels.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a high-power transistor aging detection system comprises an aging detection box 1, ventilation openings 2 are formed in two sides of the aging detection box 1, a rotation hole 3 is formed in the top of the aging detection box 1, a rotation column 4 is installed in the rotation hole 3, a motor 5 is fixedly installed at the top of the aging detection box 1, the top of the rotation column 4 extends to the upper portion of the aging detection box 1 and is fixedly connected with an output shaft of the motor 5, fan blades 6 located in the aging detection box 1 are fixedly installed on the outer side of the rotation column 4, first rotation grooves 7 are formed in inner walls of two sides of the aging detection box 1, first rotation rods 8 are installed in the first rotation grooves 7 in a rotating mode, and first bevel gears 9 are installed in the aging detection box 1 and fixedly installed at one ends, close to each other, of the first rotation rods 8, the fixed cover in outside of rotation post 4 be equipped with second bevel gear 10, and two first bevel gear 9 all mesh with second bevel gear 10 mutually, the both sides inner wall of ageing detection case 1 on all set up the second rotating chute 11 that is located first rotating chute 7 below, two second rotating chute 11 in all rotate and install second dwang 12, two the outside of second dwang 12 all fixed the cover be equipped with eccentric wheel 13, eccentric wheel 13's rotation drives closing plate 16 and removes.

The utility model discloses in, all seted up shifting chute 14, two on the both sides inner wall of ageing detection case 1 shifting chute 14 in equal slidable mounting have a movable block 15, two the one end that movable block 15 is close to each other all extend to in the ageing detection case 1 and fixed mounting have a closing plate 16, and two closing plate 16 respectively with the 2 sealed cooperations of corresponding vent, two the top of closing plate 16 contact with corresponding eccentric wheel 13 respectively, closing plate 16 seals vent 2.

The utility model discloses in, all seted up spacing hole 17 on two movable blocks 15, two spacing hole 17 in equal slidable mounting have gag lever post 18, just gag lever post 18 the top and the bottom respectively with the top inner wall and the bottom inner wall fixed connection of corresponding shifting chute 14, gag lever post 18 is spacing to movable block 15.

The utility model discloses in, two the equal fixed mounting in top of movable block 15 establish the reset spring 19 in the gag lever post 18 outside, two reset spring 19's top respectively with the top inner wall fixed connection of corresponding shifting chute 14, reset spring 19 plays spacing and the effect that resets.

The utility model discloses in, two the outside of first dwang 8 all fixed cover be equipped with first sprocket 20, two first sprocket 20 on all engaged with chain 21, two the outside of second dwang 12 all fixed cover be equipped with second sprocket 22, and two second sprocket 22 through two chains 21 respectively with corresponding first sprocket 20 transmission be connected, two second sprockets 22 drive two first sprockets 20 through two chains 21 and rotate.

The utility model discloses in, the quantity of flabellum 6 is three, and three flabellum 6 be the annular equidistance and distribute in the outside of rotating post 4, a plurality of flabellums 6 have improved radiating efficiency.

In the utility model, when in use, the motor 5 is started first, the motor 5 is controlled by the control switch, the motor 5 is powered by commercial power, the output shaft of the motor 5 drives the rotating column 4 to rotate, the rotating column 4 drives the fan blades 6 to rotate, the wind blown by the fan blades 6 dissipates heat of the high-power transistor in the aging detection box 1, meanwhile, the output shaft of the motor 5 drives the second bevel gear 10 to rotate, the second bevel gear 10 drives the two first bevel gears 9 to rotate, the two first bevel gears 9 drive the two first rotating rods 8 to rotate, the two first rotating rods 8 drive the two first chain wheels 20 to rotate, the two first chain wheels 20 drive the two second chain wheels 22 to rotate through the two chains 21, the two second chain wheels 22 drive the two second rotating rods 12 to rotate, the two second rotating rods 12 drive the two eccentric wheels 13 to rotate, two eccentric wheels 13 drive two closing plates 16 and move, two closing plates 16 drive two movable blocks 15 and move, two movable blocks 15 stretch two reset springs 19, two reset springs 19 absorb energy, through the motionless rotation of motor 5, the motionless rotation of flabellum 6 has been driven, the heat in the detection case 1 that will burn old is discharged through vent 2 to flabellum 6, after the heat dissipation is finished, close motor 5, make closing plate 16 seal up dustproof to vent 2, thereby can be fast convenient dispel the heat to the high-power transistor in the detection case 1 that smelts old, prevent that the temperature from rising sharply, the in-process that leads to detecting causes the circuit to fire and burn out, give people the problem of bringing the potential safety hazard, simultaneously, can be dustproof to burn detection case 1 after the heat dissipation is accomplished, so people's needs have been satisfied.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. High-power transistor burn-in detection system, including burn-in detection case (1), its characterized in that, vent (2) have all been seted up to the both sides of burn-in detection case (1), the top of burn-in detection case (1) seted up rotation hole (3), rotation hole (3) internal rotation install rotation post (4), the top fixed mounting of burn-in detection case (1) have motor (5), just the top of rotation post (4) extend to the top of burn-in detection case (1) and with the output shaft fixed connection of motor (5), the outside fixed mounting of rotation post (4) have flabellum (6) that are located burn-in detection case (1), the both sides inner wall of burn-in detection case (1) all seted up first rotation groove (7), two first rotation groove (7) in all rotate and install first rotation pole (8), two first dwang (8) one end that is close to each other all extend to and fixed mounting has first bevel gear (9) in ageing detection case (1), the fixed cover in the outside of rotation post (4) be equipped with second bevel gear (10), and two first bevel gear (9) all mesh with second bevel gear (10) mutually, the both sides inner wall of ageing detection case (1) on all offer second rotation groove (11) that are located first rotation groove (7) below, two second rotation groove (11) in all rotate and install second dwang (12), two the outside of second dwang (12) all fixed cover be equipped with eccentric wheel (13).

2. The high-power transistor aging detection system according to claim 1, wherein the inner walls of the aging detection box (1) are provided with moving grooves (14), moving blocks (15) are slidably mounted in the two moving grooves (14), one ends of the two moving blocks (15) close to each other extend into the aging detection box (1) and are fixedly provided with sealing plates (16), the two sealing plates (16) are respectively in sealing fit with the corresponding ventilation openings (2), and the top ends of the two sealing plates (16) are respectively in contact with the corresponding eccentric wheels (13).

3. The aging detection system for the high-power transistor according to claim 2, wherein two moving blocks (15) are respectively provided with a limiting hole (17), a limiting rod (18) is slidably mounted in each limiting hole (17), and the top end and the bottom end of each limiting rod (18) are respectively and fixedly connected with the top inner wall and the bottom inner wall of the corresponding moving groove (14).

4. The aging detection system for the high-power transistor according to claim 2, wherein the top of each of the two moving blocks (15) is fixedly provided with a return spring (19) sleeved outside the limiting rod (18), and the top ends of the two return springs (19) are respectively and fixedly connected with the inner wall of the top of the corresponding moving groove (14).

5. The high-power transistor aging detection system according to claim 1, wherein the outer sides of the two first rotating rods (8) are fixedly sleeved with first chain wheels (20), the two first chain wheels (20) are respectively engaged with chains (21), the outer sides of the two second rotating rods (12) are fixedly sleeved with second chain wheels (22), and the two second chain wheels (22) are respectively in transmission connection with the corresponding first chain wheels (20) through the two chains (21).

6. The aging detection system for the high-power transistor according to claim 1, wherein the number of the fan blades (6) is three, and the three fan blades (6) are annularly and equidistantly distributed on the outer side of the rotating column (4).