CN216625284U

CN216625284U - TVS diode with over-temperature protection function

Info

Publication number: CN216625284U
Application number: CN202123202480.4U
Authority: CN
Inventors: 范诗斌; 翁月明; 王小海
Original assignee: Suzhou Beiteli Electronic Technology Co ltd
Current assignee: Suzhou Beiteli Electronic Technology Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-27
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a TVS diode with an over-temperature protection function, which relates to the technical field of TVS diodes and comprises an over-temperature protection structure, wherein the over-temperature protection structure comprises a TVS diode main body, and an outer protection shell is arranged on the outer side of the TVS diode main body. According to the TVS diode main body temperature detection device, the temperature detection probe is used for detecting the temperature of the TVS diode main body when the TVS diode main body is used, the temperature data detected by the temperature detection probe is transmitted to the controller through the controller, the controller judges that the outer protective shell sends a signal to control the disconnection of the disconnection switch when the temperature is too high, so that the work of the TVS diode main body is stopped, the damage caused by the too high temperature of the TVS diode main body is prevented, the TVS diode main body can be protected through the arrangement of the outer protective shell, the damage caused by the collision of an external object on the TVS diode main body is prevented, and the service life of the TVS diode main body is prolonged.

Description

TVS diode with over-temperature protection function

Technical Field

The utility model relates to the technical field of TVS diodes, in particular to a TVS diode with an over-temperature protection function.

Background

TVS diodes are generally referred to as transient voltage suppression diodes. A Transient voltage suppression diode (TVS) is also called a TVS diode, and is an electronic component for protection, which can protect electrical equipment from voltage spikes induced by wires, and the TVS diode has a faster overvoltage reaction speed than other overvoltage protection elements (such as a voltage dependent resistor or a gas discharge tube). The actual clamping is only about one picosecond, but because of the inductance of the conducting wires in the actual circuit, the protection device must tolerate a large voltage for a long time. Therefore, the TVS diode is more suitable than other devices to protect the circuit from fast and destructive voltage surges. Such as many distributed circuits, have such rapid over-voltage surges that can be caused by internal or external factors, such as lightning or motor shorts.

In the prior art, the load of the TVS diode is higher when the TVS diode is used, the internal temperature rises when the TVS diode is used for a long time, and the existing TVS diode does not have an over-temperature protection function, so that the TVS diode is easy to damage due to high temperature when the TVS diode is used for a long time, and the practicability of the existing TVS diode is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, the load is high when a TVS diode is used, the internal temperature is increased when the TVS diode is used for a long time, and the conventional TVS diode does not have an over-temperature protection function, so that the interior of the TVS diode is easily damaged due to high temperature when the TVS diode is used for a long time, and the practicability of the conventional TVS diode is reduced.

In order to achieve the purpose, the utility model adopts the following technical scheme: a TVS diode with an over-temperature protection function comprises an over-temperature protection structure, wherein the over-temperature protection structure comprises a TVS diode main body, an outer protective shell is arranged on the outer side of the TVS diode main body, a clamping bottom groove is formed in the upper end of the outer protective shell, the TVS diode main body is clamped and fixed in the clamping bottom groove, clamping side grooves are formed in two sides of the outer protective shell, a threading groove is formed in the lower end of the clamping side groove, connecting end lines are fixedly connected to two ends of the TVS diode main body, a breaking switch is fixedly connected to the middle of the connecting end line, the connecting end line penetrates through the threading groove, a temperature detection probe is arranged on one side of the clamping bottom groove and fixedly connected in the outer protective shell, an installation side groove is formed in one side of the outer protective shell, and a grid baffle is fixedly connected in the installation side groove, the output end of the temperature detection probe is electrically connected with the input end of the grid baffle, and the output end of the grid baffle is electrically connected with the input end of the disconnection switch.

Preferably, the inside joint in joint side channel is fixed with the joint bottom block, one of them the switch draw-in groove has been seted up at the upper end middle part of joint bottom block, the lower extreme and the switch draw-in groove joint of broken string switch.

Preferably, one side of the installation side groove is clamped and fixed with a grid baffle, and one side of the grid baffle is attached to one side of the controller.

Preferably, the lower extreme of outer protective housing is provided with heat radiation structure, heat radiation structure includes the heat dissipation end groove, the middle part in TVS diode main part upper end is seted up to the heat dissipation end groove, the tip fixedly connected with heat dissipation strip in heat dissipation end groove.

Preferably, the left side and the right side of the radiating end groove are respectively provided with an air inlet side groove and a fan clamping groove.

Preferably, the inside joint of fan draw-in groove is fixed with the bleed fan, the input of bleed fan and the output electric connection of controller.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the TVS diode main body temperature detection device, the temperature detection probe is used for detecting the temperature of the TVS diode main body when the TVS diode main body is used, the temperature data detected by the temperature detection probe is transmitted to the controller through the controller, the controller judges that the TVS diode main body temperature data is too high, the outer protective shell sends a signal to control the disconnection of the disconnection switch when the temperature is too high, so that the work of the TVS diode main body is stopped, the damage caused by the too high temperature of the TVS diode main body is prevented, the TVS diode main body can be protected through the arrangement of the outer protective shell, the damage caused by the collision of an external object on the TVS diode main body is prevented, and the service life of the TVS diode main body is prolonged.

2. According to the TVS diode, the heat dissipation strip is arranged, when the TVS diode main body is used, heat on the TVS diode main body can be conducted out through the heat dissipation strip so as to accelerate heat dissipation of the TVS diode main body, meanwhile, the controller controls the fan clamping groove to be opened to drive air to flow, so that the air flow can dissipate the heat conducted out by the heat dissipation strip, heat dissipation is accelerated, the TVS diode main body can dissipate heat at a higher speed when being overheated, and therefore the TVS diode main body can be reused conveniently.

Drawings

Fig. 1 is a schematic perspective view of a TVS diode with an over-temperature protection function according to the present invention;

fig. 2 is a schematic diagram of an inclined bottom view structure of a TVS diode with an over-temperature protection function according to the present invention;

fig. 3 is a schematic diagram of an inclined bottom view of an explosion structure of a TVS diode with an over-temperature protection function according to the present invention;

fig. 4 is a schematic oblique side view of an explosion structure of a TVS diode with over-temperature protection function according to the present invention.

Illustration of the drawings:

1. an over-temperature protection structure; 11. a TVS diode body; 12. an outer protective shell; 13. clamping the bottom block; 14. connecting end lines; 15. clamping the bottom groove; 16. a threading slot; 17. clamping the side groove; 18. a disconnection switch; 19. a switch card slot; 110. a temperature detection probe; 111. installing a side groove; 112. a controller; 113. a grid baffle;

2. a heat dissipation structure; 21. a heat dissipation end slot; 22. a heat dissipating strip; 23. an intake side groove; 24. an air-entraining fan; 25. fan draw-in groove.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 4, the present invention provides a TVS diode with an over-temperature protection function, including an over-temperature protection structure 1, where the over-temperature protection structure 1 includes a TVS diode main body 11, an outer protective shell 12 is disposed outside the TVS diode main body 11, an upper end of the outer protective shell 12 is provided with a clamping bottom groove 15, the TVS diode main body 11 is clamped and fixed inside the clamping bottom groove 15, two sides of the outer protective shell 12 are both provided with clamping side grooves 17, a lower end of the clamping side groove 17 is provided with a threading groove 16, two ends of the TVS diode main body 11 are both fixedly connected with a connection terminal 14, a middle portion of one side of the connection terminal 14 is fixedly connected with a threading switch 18, the connection terminal 14 passes through the threading groove 16, one side of the clamping bottom groove 15 is provided with a temperature detection probe 110, the temperature detection probe 110 is fixedly connected inside the outer protective shell 12, one side of the outer protective shell 12 is provided with an installation side groove 111, the inside of the installation side groove 111 is fixedly connected with a grid baffle 113, the output end of the temperature detection probe 110 is electrically connected with the input end of the grid baffle 113, and the output end of the grid baffle 113 is electrically connected with the input end of the disconnection switch 18.

Specific setting and effect of its excess temperature protection architecture 1 are said below specifically, setting through temperature detect probe 110, be used for when TVS diode main part 11 uses, detect the temperature of TVS diode main part 11, setting through controller 112, the temperature data that makes temperature detect probe 110 detect transmits to controller 112, judge through controller 112, when the temperature is too high, outer protecting crust 12 signals, control disconnection switch 18 disconnection, thereby stop TVS diode main part 11's work, in order to prevent TVS diode main part 11 high temperature from producing the damage, and setting through outer protecting crust 12, can protect TVS diode main part 11, prevent that external object from colliding with TVS diode main part 11 and damaging, in order to increase TVS diode main part 11's life.

As shown in fig. 1 to 4, a clamping bottom block 13 is fixed to the clamping side groove 17 in an internal clamping manner, a switch clamping groove 19 is formed in the middle of the upper end of one clamping bottom block 13, the lower end of a disconnection switch 18 is clamped with the switch clamping groove 19, a grid baffle 113 is fixed to one side of the installation side groove 111 in a clamping manner, one side of the grid baffle 113 is attached to one side of a controller 112, a heat dissipation structure 2 is arranged at the lower end of the outer protective shell 12, the heat dissipation structure 2 includes a heat dissipation end groove 21, the heat dissipation end groove 21 is formed in the middle of the upper end of the TVS diode main body 11, a heat dissipation strip 22 is fixedly connected to the end of the heat dissipation end groove 21, an air inlet side groove 23 and a fan clamping groove 25 are respectively formed in the left side and the right side of the heat dissipation end groove 21, an air-entraining fan 24 is fixed to the internal clamping manner of the fan clamping groove 25, and an input end of the air-entraining fan 24 is electrically connected to an output end of the controller 112.

The effect that its whole excessive temperature protection architecture 1 and heat radiation structure 2 reached does, setting through heat dissipation strip 22, when TVS diode main part 11 uses, accessible heat dissipation strip 22 derives the heat in TVS diode main part 11, in order to accelerate the heat dissipation of TVS diode main part 11, controller 112 control fan draw-in groove 25 opens simultaneously, it flows to drive gas, thereby make the air current give off the heat that heat dissipation strip 22 derived, thereby accelerate the heat dissipation, thereby can make TVS diode main part 11 when overheated, can dispel the heat with very fast speed, thereby be convenient for TVS diode main part 11's reuse.

The working principle is as follows: when the TVS diode is used, the temperature generated by the TVS diode main body 11 is led out through the heat dissipation strip 22, so that the heat dissipation effect of the TVS diode main body 11 is increased, the service life of the TVS diode main body 11 is prolonged, the air flow is driven to flow through the setting of the air-entraining fan 24, so that the air flow enters from the air inlet side groove 23, the heat in the heat dissipation end groove 21 is taken out through the air flow, so that the heat dissipation effect is further increased, when the temperature of the TVS diode main body 11 is overhigh, the temperature information is transmitted to the controller 112 through the temperature detection probe 110, the information is identified through the controller 112, when the temperature is overhigh, the disconnection switch 18 is controlled to be disconnected through the controller 112, so that the connection of the connection end line 14 is disconnected, the TVS diode main body 11 stops working, the TVS diode main body 11 is rapidly cooled through the heat dissipation strip 22 and the air-entraining fan 24, so that the temperature of the TVS diode main body 11 is recovered to be normal, meanwhile, the temperature is detected by the temperature detection probe 110, the temperature detection probe 110 transmits information to the controller 112, and the controller 112 controls the disconnection switch 18 to be closed, so that the TVS diode main body 11 continues to be connected for use.

In this embodiment, the bleed air blower 24, the controller 112 and the TVS diode body 11 are all the prior art and will not be described herein.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes by using the technical contents disclosed in the above description to other fields, but any simple modification, equivalent change and change made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a TVS diode with excess temperature protect function, includes excess temperature protection architecture (1), its characterized in that: the over-temperature protection structure (1) comprises a TVS diode main body (11), an outer protective shell (12) is arranged on the outer side of the TVS diode main body (11), a clamping bottom groove (15) is formed in the upper end of the outer protective shell (12), the TVS diode main body (11) is clamped and fixed in the clamping bottom groove (15), clamping side grooves (17) are formed in two sides of the outer protective shell (12), a threading groove (16) is formed in the lower end of the clamping side groove (17), connecting end lines (14) are fixedly connected to two ends of the TVS diode main body (11), a breaking switch (18) is fixedly connected to the middle of each connecting end line (14), each connecting end line (14) penetrates through the threading groove (16), a temperature detection probe (110) is arranged on one side of the clamping bottom groove (15), and the temperature detection probe (110) is fixedly connected in the outer protective shell (12), installation side groove (111) have been seted up to one side of outer protecting crust (12), the inside fixedly connected with check baffle (113) of installation side groove (111), the output of temperature detect probe (110) and the input electric connection of check baffle (113), the output of check baffle (113) and the input electric connection of broken string switch (18).

2. The TVS diode with over-temperature protection function according to claim 1, wherein: the inside joint of joint side channel (17) is fixed with joint bottom block (13), one of them switch draw-in groove (19) have been seted up in the upper end middle part of joint bottom block (13), the lower extreme and the switch draw-in groove (19) joint of broken string switch (18).

3. The TVS diode with over-temperature protection function according to claim 1, wherein: one side joint of installation side groove (111) is fixed with check baffle (113), one side of check baffle (113) is laminated with one side of controller (112).

4. The TVS diode with over-temperature protection function according to claim 1, wherein: the lower extreme of outer protecting crust (12) is provided with heat radiation structure (2), heat radiation structure (2) are including heat dissipation end groove (21), the middle part in TVS diode main part (11) upper end is seted up in heat dissipation end groove (21), the tip fixedly connected with heat dissipation strip (22) of heat dissipation end groove (21).

5. The TVS diode with the over-temperature protection function as recited in claim 4, wherein: and the left side and the right side of the heat dissipation end groove (21) are respectively provided with an air inlet side groove (23) and a fan clamping groove (25).

6. The TVS diode with the over-temperature protection function as recited in claim 5, wherein: the inside joint of fan draw-in groove (25) is fixed with bleed fan (24), the input of bleed fan (24) and the output electric connection of controller (112).