CN220483970U - PTC starter chip protection structure - Google Patents

Abstract

The utility model discloses a chip protection structure of a PTC starter, which comprises a bottom plate, a top cover and a chip body, wherein a placing groove is formed in the center of the top of the bottom plate, a plurality of evenly distributed buffer pads are fixedly connected to the bottom end of the inside of the placing groove, telescopic heat conducting rods are fixedly connected to the tops of the buffer pads, telescopic springs are arranged on the surfaces of the telescopic heat conducting rods, and heat conducting fins are fixedly connected to the tops of the telescopic heat conducting rods.

Description

PTC starter chip protection structure

Technical Field

The utility model relates to the field of protective structures, in particular to a chip protective structure of a PTC starter.

Background

The PTC starter is a semiconductor resistor with temperature sensitivity, is a semiconductor crystal structure made by mixing barium titanate with trace rare earth elements and through a ceramic manufacturing process, has wide application voltage range, can improve the starting torque of a compressor motor, is widely used in a compressor driving circuit of a resistance split-phase starting relay, a capacitor starting and a capacitor running starting relay, is easy to damage an internal chip when the PTC starter is impacted during use, affects the normal use of the starter, and can also affect the normal use of the chip when the chip generates high temperature during use.

Disclosure of Invention

The utility model aims to provide a chip protection structure of a PTC starter, which solves the problems that when the PTC starter is impacted in use, an internal chip is easy to be damaged, normal use of the starter is affected, and the chip is affected by high temperature during use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PTC starter chip protective structure, includes bottom plate, top cap and chip body, the standing groove has been seted up at the center at bottom plate top, the inside bottom fixedly connected with a plurality of evenly distributed's of standing groove blotter, a plurality of the equal fixedly connected with flexible heat-conducting rod in top of blotter, a plurality of the surface of flexible heat-conducting rod all is provided with telescopic spring, a plurality of the equal fixedly connected with conducting strip in top of flexible heat-conducting rod, a plurality of the top of conducting strip all is connected with the chip body bottom contact that is located the standing groove inside, the top of bottom plate is provided with the top cap, the inside fixed mounting of top cap has the heating panel, the bottom of heating panel is connected with the top contact of chip body, increases the heat dissipation to chip body, avoids the high temperature to influence it.

Preferably, the bottom plate and the top cover are made of aluminum materials, and aluminum has good heat conductivity and contributes to heat dissipation of the chip body.

Preferably, the equal fixedly connected with fixed block in middle part at bottom plate both ends, the inside fixed mounting of fixed block has the double-end telescopic link, the surface of double-end telescopic link is provided with reset spring, the equal fixedly connected with stopper of two flexible ends of double-end telescopic link, two symmetrical spacing grooves have all been seted up at the both ends of top cap, conveniently take off the top cap from the bottom plate, change the chip.

Preferably, the two limiting blocks are respectively connected with the corresponding two limiting grooves in a clamping mode.

Preferably, the top fixedly connected with a plurality of evenly distributed's fin, a plurality of the top of fin all passes the top cap and extends to the top cap outside, and the fin is derived to the external world with heat from the heating panel.

Preferably, the four corners at the top of the bottom plate are provided with mounting holes, the four mounting holes are connected with mounting bolts in a penetrating mode, and the whole device is mounted inside the starter through the mounting holes by using the mounting bolts.

Compared with the prior art, the utility model has the beneficial effects that: the user puts the chip body in the inside of standing groove, then install the top cap on the bottom plate, chip body bottom and conducting strip contact, heat that produces the chip body is partly dispelled the heat through the flexible conducting rod of conducting strip direction, the heat another part that produces of chip body is dispelled the heat through the heating panel transfer to the fin, increase the radiating effect of chip body, prevent that the too high influence chip of temperature from using, make chip body and conducting strip in close contact with simultaneously when the effect of expanding spring, and also with heating panel in close contact with, and the chip body of equidimension is all can be stable fix inside the standing groove, bottom plate and top cap play the guard action to the chip, the user presses two stoppers towards opposite direction, break away from the spacing groove under the effect of double-end telescopic rod and reset spring, can take off the top cap, carry out next operation to the chip body.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

FIG. 3 is an enlarged view of part A of the present utility model;

fig. 4 is a partial top cross-sectional view of the present utility model.

In the figure: 1. a bottom plate; 2. a top cover; 3. a heat sink; 4. a mounting bolt; 5. a mounting hole; 6. a chip body; 7. a heat dissipation plate; 8. a placement groove; 9. a telescopic heat conducting rod; 10. a telescopic spring; 11. a cushion pad; 12. a heat conductive sheet; 13. a fixed block; 14. a limit groove; 15. a limiting block; 16. a double-ended telescopic rod; 17. and a return spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-4, the utility model provides a chip protection structure of a PTC starter, which comprises a bottom plate 1, a top cover 2 and a chip body 6, wherein a placement groove 8 is arranged in the center of the top of the bottom plate 1, a plurality of evenly distributed buffer pads 11 are fixedly connected to the bottom end inside the placement groove 8, the tops of the buffer pads 11 are fixedly connected with telescopic heat conducting rods 9, the surfaces of the telescopic heat conducting rods 9 are provided with telescopic springs 10, the tops of the telescopic heat conducting rods 9 are fixedly connected with heat conducting fins 12, the tops of the heat conducting fins 12 are in contact connection with the bottom of the chip body 6 inside the placement groove 8, the top of the bottom plate 1 is provided with the top cover 2, a heat dissipation plate 7 is fixedly installed inside the top cover 2, the bottom of the heat dissipation plate 7 is in contact connection with the top of the chip body 6, the top of the heat dissipation plate 7 is fixedly connected with a plurality of evenly distributed heat dissipation fins 3, the tops of the heat dissipation plate 3 extend to the outside the top cover 2 through the top cover 2, four corners of the top of the bottom plate 1 are provided with mounting holes 5, the inside of the four mounting holes 5 are alternately connected with mounting bolts 4, and the bottom plate 1 and the top cover 2 are made of aluminum materials.

When the chip is used, a user puts the chip body 6 in the placing groove 8, then installs the top cover 2 on the bottom plate 1, the bottom of the chip body 6 is contacted with the heat conducting fin 12, one part of heat generated by the chip body 6 is guided to the telescopic heat conducting rod 9 through the heat conducting fin 12 to dissipate heat, the other part of heat generated by the chip body 6 is transferred to the heat radiating fin 3 through the heat radiating plate 7 to dissipate heat, the chip body 6 is in close contact with the heat radiating plate 7 under the action of the telescopic spring 10, and meanwhile, the chip body 6 with different sizes is stably fixed in the placing groove 8, and the bottom plate 1 and the top cover 2 play a role in protecting the chip.

The middle part at bottom plate 1 both ends is all fixedly connected with fixed block 13, and the inside fixed mounting of fixed block 13 has double-end telescopic link 16, and the surface of double-end telescopic link 16 is provided with reset spring 17, and the equal fixedly connected with stopper 15 of two flexible ends of double-end telescopic link 16, two symmetrical spacing groove 14 have all been seted up at the both ends of top cap 2, and two stoppers 15 are connected with corresponding two spacing groove 14 block respectively.

When the dual-head telescopic rod is used, a user presses the two limiting blocks 15 towards opposite directions, the limiting blocks 15 are separated from the limiting grooves 14 under the action of the dual-head telescopic rod 16 and the reset spring 17, the top cover 2 can be taken down, and the next operation is performed on the chip body 6.

When the embodiment of the application is used, the following steps are adopted: the user puts chip body 6 in the inside of standing groove 8, then install top cap 2 on bottom plate 1, chip body 6 bottom and conducting strip 12 contact, heat that produces chip body 6 partly leads flexible conducting rod 9 through conducting strip 12, dispel the heat, the heat another part that chip body 6 produced passes through heating panel 7 and transmits fin 3 to dispel the heat, make chip body 6 and conducting strip 12 in close contact with simultaneously with heating panel 7 under the effect of telescopic spring 10, and chip body 6 of different sizes all can be stable fix in inside standing groove 8, bottom plate 1 and top cap 2 play the guard action to the chip, the user presses two stopper 15 towards opposite direction, under the effect of double-end telescopic rod 16 and reset spring 17, stopper 15 breaks away from spacing groove 14, can take off top cap 2, carry out the operation next to chip body 6.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a PTC starter chip protective structure, includes bottom plate (1), top cap (2) and chip body (6), its characterized in that: the utility model discloses a chip, including bottom plate (1), holding tank (8), inside bottom fixedly connected with a plurality of evenly distributed's blotter (11), a plurality of the equal fixedly connected with flexible heat conduction pole (9) in top of blotter (11), a plurality of the surface of flexible heat conduction pole (9) all is provided with telescopic spring (10), a plurality of the equal fixedly connected with conducting strip (12) in top of flexible heat conduction pole (9), a plurality of the top of conducting strip (12) all is connected with chip body (6) bottom contact that is located inside holding tank (8), the top of bottom plate (1) is provided with top cap (2), the inside fixed mounting of top cap (2) has heating panel (7), the bottom of heating panel (7) is connected with the top contact of chip body (6).

2. A PTC starter chip protection structure according to claim 1, wherein: the bottom plate (1) and the top cover (2) are made of aluminum materials.

3. A PTC starter chip protection structure according to claim 1, wherein: the novel double-end telescopic device is characterized in that fixing blocks (13) are fixedly connected to the middle parts of two ends of the bottom plate (1), double-end telescopic rods (16) are fixedly installed inside the fixing blocks (13), reset springs (17) are arranged on the surfaces of the double-end telescopic rods (16), limiting blocks (15) are fixedly connected to two telescopic ends of the double-end telescopic rods (16), and two symmetrical limiting grooves (14) are formed in two ends of the top cover (2).

4. A PTC starter chip protection structure according to claim 3, wherein: the two limiting blocks (15) are respectively connected with the corresponding two limiting grooves (14) in a clamping mode.

5. A PTC starter chip protection structure according to claim 1, wherein: the top of heating panel (7) fixedly connected with a plurality of evenly distributed fin (3), a plurality of the top of fin (3) all passes top cap (2) and extends to top cap (2) outside.

6. A PTC starter chip protection structure according to claim 1, wherein: mounting holes (5) are formed in four corners of the top of the bottom plate (1), and mounting bolts (4) are inserted into the four mounting holes (5).