CN213183810U

CN213183810U - High-tolerance patch voltage dependent resistor

Info

Publication number: CN213183810U
Application number: CN202021846358.3U
Authority: CN
Inventors: 李志巡
Original assignee: Shenzhen Kangtai Songlong Electronic Technology Co ltd
Current assignee: Shenzhen Kangtai Songlong Electronic Technology Co ltd
Priority date: 2020-08-30
Filing date: 2020-08-30
Publication date: 2021-05-11
Anticipated expiration: 2030-08-30

Abstract

The utility model relates to the technical field of resistance, and a high resistant type paster piezo-resistor is disclosed, including the inoxidizing coating, the internally mounted of inoxidizing coating has the trough plate, the outside of trough plate and the inner wall fixed connection of inoxidizing coating, the bottom fixed mounting of inoxidizing coating has the mounting panel, a plurality of screw hole is installed to the inside symmetry of mounting panel, two rectangular holes have been seted up to the side symmetry of inoxidizing coating. This kind of high tolerance type paster piezo-resistor, there is the inoxidizing coating in outside fixed mounting, the inoxidizing coating is made for the epoxy material, the inoxidizing coating made by the epoxy material has good heat resistance and electric insulation performance, can effectually avoid the phenomenon that burning or bursting appears in the piezo-resistor, can make its protection effect to the circuit better, a plurality of screw hole seted up through mounting panel and its inside symmetry, can fix it when people use piezo-resistor, can make the stability of piezo-resistor when installation or use better.

Description

High-tolerance patch voltage dependent resistor

Technical Field

The utility model relates to the technical field of resistance, specifically a high withstand type paster piezo-resistor.

Background

The voltage dependent resistor is a resistor device with nonlinear volt-ampere characteristics, and is mainly used for voltage clamping when a circuit bears overvoltage.

The traditional voltage dependent resistor is mainly used for protecting the voltage from damaging a back-end circuit, but when the voltage value is large or the voltage dependent resistor is used for a long time, the phenomenon of fire caused by overhigh temperature is easy to occur, and the phenomenon of explosion of the voltage dependent resistor is also generated in serious cases.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a high withstand type paster piezo-resistor possesses the heat conduction effect good, has advantages such as good flame retardant efficiency, has solved the problem that the background art provided.

(II) technical scheme

For the above-mentioned purpose that possesses good heat conduction effect, has good flame retardant efficiency, the utility model provides a following technical scheme: the utility model provides a high resistant type paster piezo-resistor, includes the inoxidizing coating, the internally mounted of inoxidizing coating has the trough plate, the outside of trough plate and the inner wall fixed connection of inoxidizing coating, the bottom fixed mounting of inoxidizing coating has the mounting panel, a plurality of screw hole is installed to the inside symmetry of mounting panel.

Preferably, the inside fixed mounting of trough plate has resistance chip, resistance chip's top surface both sides fixed mounting have electrode plate one and electrode plate two respectively, resistance chip's top surface has the heating panel at middle part fixed mounting, the top surface of heating panel closely laminates with the inner wall of inoxidizing coating.

Preferably, two rectangular holes are symmetrically formed in the side face of the protective layer, two first electrodes and second electrodes are fixedly mounted in the rectangular holes respectively, connecting holes are formed in one ends of the first electrodes and the second electrodes, and the other ends of the first electrodes and the second electrodes penetrate into the groove-shaped plates.

Preferably, the groove in the groove-shaped plate is formed in a penetrating manner, and the resistor chip in the groove-shaped plate is fixedly installed in the groove-shaped plate through the surrounding fixing bolts.

Preferably, the first electrode plate and the second electrode plate are respectively and electrically connected with the end parts of the first electrode and the second electrode which are arranged on the side surface of the protective layer through leads.

Preferably, the protective layer is made of epoxy resin materials, and the size of the inner dimension of the protective layer is the same as the size of the groove-shaped plate.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of high tolerance type paster piezo-resistor, there is the inoxidizing coating in outside fixed mounting, the inoxidizing coating is made for the epoxy material, the inoxidizing coating made by the epoxy material has good heat resistance and electric insulation performance, can effectually avoid the phenomenon that burning or bursting appears in the piezo-resistor, can make its protection effect to the circuit better, a plurality of screw hole seted up through mounting panel and its inside symmetry, can fix it when people use piezo-resistor, can make the stability of piezo-resistor when installation or use better.

2. This kind of high tolerance type paster piezo-resistor, through plate electrode one and plate electrode two respectively with first electrode and second electrode electric connection, can make piezo-resistor form the return circuit when being connected to first electrode and second electrode in the circuit, thereby make piezo-resistor can protect the back stage circuit, can conduct the heat that the resistance chip produced at the during operation through the heating panel, can prevent the inside high temperature overstock of resistance chip and the phenomenon of high temperature appears, can effectually avoid the damage of resistance chip, improve the holistic heat-conduction ability of piezo-resistor, make its security performance and life can both obtain promoting.

Drawings

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

fig. 2 is a schematic diagram of the overall explosion structure of the present invention.

In the figure: 1. a protective layer; 2. a first electrode; 3. a second electrode; 4. mounting a plate; 5. a threaded hole; 6. a rectangular hole; 7. a trough-shaped plate; 8. a resistor chip; 9. a heat dissipation plate; 10. a first electrode plate; 11. and a second electrode plate.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-2, a high-tolerance chip varistor comprises a protective layer 1, a groove plate 7 is installed inside the protective layer 1, the outer side of the groove plate 7 is fixedly connected with the inner wall of the protective layer 1, a mounting plate 4 is fixedly installed at the bottom of the protective layer 1, a plurality of threaded holes 5 are symmetrically installed inside the mounting plate 4, the mounting plate 4 and the threaded holes 5 can fix the varistor when people use the varistor, two rectangular holes 6 are symmetrically formed in the side surface of the protective layer 1, a first electrode 2 and a second electrode 3 are respectively and fixedly installed inside the two rectangular holes 6, connecting holes are respectively formed in one ends of the first electrode 2 and the second electrode 3, the other ends of the first electrode 2 and the second electrode 3 penetrate into the groove plate 7, a groove inside the groove plate 7 is formed in a penetrating manner, a resistor chip 8 inside the groove plate 7 is fixedly installed inside the groove plate 7 through surrounding fixing bolts, the protective layer 1 is made of epoxy resin materials, the size of the inner dimension of the protective layer 1 is the same as the size of the groove plate 7, the protective layer 1 made of the epoxy resin materials has good heat resistance and electrical insulation performance, the phenomenon that the piezoresistor burns or bursts can be effectively avoided, and the protective effect of the piezoresistor on a circuit can be better.

Example two

Based on the first embodiment, as shown in fig. 1-2, a resistor chip 8 is fixedly installed inside a groove-shaped plate 7, a first electrode plate 10 and a second electrode plate 11 are respectively and fixedly installed on two sides of the top surface of the resistor chip 8, a heat dissipation plate 9 is fixedly installed in the middle of the top surface of the resistor chip 8, the top surface of the heat dissipation plate 9 is tightly attached to the inner wall of a protective layer 1, the first electrode plate 10 and the second electrode plate 11 are respectively and electrically connected with the end portions of a first electrode 2 and a second electrode 3 installed on the side surface of the protective layer 1 through conducting wires, a loop can be formed when a piezoresistor is connected to a circuit through the first electrode plate 10 and the second electrode plate 11 being respectively and electrically connected with the first electrode 2 and the second electrode 3, so that the piezoresistor can protect a rear-stage circuit, heat generated when the resistor chip 8 works can be conducted through the heat dissipation plate 9, can effectually avoid resistance chip 8's damage, improve the holistic heat-conduction ability of piezo-resistor, make its security performance and life can both obtain promoting.

The working principle is as follows: the high-tolerance paster piezoresistor is characterized in that a protective layer 1 is fixedly arranged on the periphery of the outer side, the protective layer 1 is made of epoxy resin materials, the protective layer 1 made of the epoxy resin materials has good heat resistance and electrical insulation performance, the phenomenon that the piezoresistor burns or bursts can be effectively avoided, the high-tolerance paster piezoresistor has good flame retardant effect, the protection effect on a circuit is better, a mounting plate 4 is fixedly arranged at the bottom of the piezoresistor, a plurality of threaded holes 5 are symmetrically formed in the mounting plate 4, the piezoresistor can be fixed when people use the piezoresistor, a resistor chip 8 is fixedly arranged in a groove formed in a groove plate 7 in a penetrating manner, air above and below the resistor chip 8 can be kept circulating, and the resistor chip 8 is arranged in the groove formed in the groove plate 7 in a penetrating manner through the resistor chip 8, so that the stability of the resistor chip 8 in installation or, at resistance chip 8's top fixed mounting have heating panel 9, and the installation of heating panel 9 can be conducted the heat that resistance chip 8 during operation produced, can prevent that the inside high temperature of resistance chip 8 from overstocking and the phenomenon of high temperature appears, can effectually avoid resistance chip 8's damage, improves the holistic heat-conduction ability of piezo-resistor, makes its security performance and life can both obtain promoting.

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

Claims

1. A high-tolerance patch voltage dependent resistor comprises a protective layer (1);

the method is characterized in that:

the utility model discloses a protection layer, including inoxidizing coating (1), the internally mounted of inoxidizing coating (1) has notch plate (7), the outside of notch plate (7) and the inner wall fixed connection of inoxidizing coating (1), the bottom fixed mounting of inoxidizing coating (1) has mounting panel (4), a plurality of screw hole (5) are installed to the inside symmetry of mounting panel (4).

2. The high-tolerance patch varistor according to claim 1, wherein: the inside fixed mounting of trough plate (7) has resistance chip (8), the top surface both sides of resistance chip (8) fixed mounting respectively have electrode board (10) and electrode board two (11), the top surface middle part fixed mounting of resistance chip (8) has heating panel (9), the top surface of heating panel (9) closely laminates with the inner wall of inoxidizing coating (1).

3. The high-tolerance patch varistor according to claim 1, wherein: two rectangular holes (6) have been seted up to the side symmetry of inoxidizing coating (1), two there are first electrode (2) and second electrode (3) inside difference fixed mounting of rectangular hole (6), the connecting hole has all been seted up to the one end of first electrode (2) and second electrode (3), the other end of first electrode (2) and second electrode (3) all penetrates the inside of trough plate (7).

4. The high-tolerance patch varistor according to claim 1, wherein: the groove in the groove-shaped plate (7) is formed in a penetrating mode, and the resistor chip (8) in the groove-shaped plate (7) is fixedly installed in the groove-shaped plate (7) through the fixing bolts on the periphery.

5. The high-tolerance patch varistor according to claim 2, wherein: the first electrode plate (10) and the second electrode plate (11) are respectively electrically connected with the end parts of the first electrode (2) and the second electrode (3) which are arranged on the side surface of the protective layer (1) through leads.

6. The high-tolerance patch varistor according to claim 1, wherein: the protective layer (1) is made of epoxy resin materials, and the size of the inner dimension of the protective layer (1) is the same as the size of the groove plate (7).