CN210490464U - Small power supply surge protector - Google Patents
Small power supply surge protector Download PDFInfo
- Publication number
- CN210490464U CN210490464U CN201921960180.2U CN201921960180U CN210490464U CN 210490464 U CN210490464 U CN 210490464U CN 201921960180 U CN201921960180 U CN 201921960180U CN 210490464 U CN210490464 U CN 210490464U
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- connecting plate
- shell
- inner electrode
- plate
- elastic
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- 230000001012 protector Effects 0.000 title claims abstract description 17
- 230000001629 suppression Effects 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 abstract description 3
- 230000001052 transient effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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Abstract
The utility model discloses a small-sized power surge protector, which comprises a shell, a bottom cover buckled at the bottom of the shell, an elastic electrode, a first inner electrode and a second inner electrode, one end of which respectively penetrates through the bottom cover and the other end of which is arranged in the shell, an upper inner polar plate which is arranged in the shell and is integrated with the second inner electrode, a lower inner polar plate which is arranged in the shell and is integrated with the first inner electrode, and a TVS suppressor diode which is clamped between the upper inner polar plate and the lower inner polar plate, an inner electrode connecting plate integrally formed with the lower inner electrode plate, an elastic connecting plate with one end welded with the inner electrode connecting plate by adopting a low-temperature welding tin wire and the other end integrally formed with the elastic electrode, and one end of the spring is extruded on the shell, the other end of the spring is extruded on the elastic connecting plate, and the spring is used for pushing the elastic connecting plate to be far away from the inner electrode connecting plate after the elastic connecting plate and the inner electrode connecting plate are welded. By the proposal, the utility model has the advantages of simple structure, reliable action, etc.
Description
Technical Field
The utility model belongs to the technical field of the surge protection technique and specifically relates to a small-size power surge protector.
Background
A surge protector, also called a lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines. When the peak current or the voltage is suddenly generated in the electric loop or the communication line due to the external interference, the surge protector can conduct and shunt in a very short time, so that the damage of the surge to other equipment in the loop is avoided. At present, the structure of the power surge protector in the prior art is complex, the equipment investment cost is high, and the action reliability is relatively poor.
Therefore, there is an urgent need for a small power surge protector having a simple structure, reliable operation, and low equipment investment cost.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a small-size power surge protector, the utility model discloses a technical scheme as follows:
a small-sized power surge protector comprises a shell, a bottom cover buckled at the bottom of the shell, an elastic electrode, a first inner electrode and a second inner electrode, an upper inner polar plate, a lower inner polar plate and a TVS suppression diode, wherein one end of the elastic electrode, the first inner electrode and the second inner electrode are respectively arranged through the bottom cover, the other end of the elastic electrode, the first inner electrode and the second inner electrode are arranged in the shell, the upper inner polar plate is arranged in the shell and is integrally formed with the second inner electrode, the lower inner polar plate is arranged in the shell and is integrally formed with the first inner electrode, the TV, an inner electrode connecting plate integrally formed with the lower inner electrode plate, an elastic connecting plate with one end welded with the inner electrode connecting plate by adopting a low-temperature welding tin wire and the other end integrally formed with the elastic electrode, and one end of the spring is extruded on the shell, the other end of the spring is extruded on the elastic connecting plate, and the spring is used for pushing the elastic connecting plate to be far away from the inner electrode connecting plate after the elastic connecting plate and the inner electrode connecting plate are welded.
Furthermore, a TVS module installation cavity for storing the upper inner polar plate, the lower inner polar plate and the TVS suppression diode is arranged in the shell; an elastic connecting plate mounting cavity for storing the inner electrode connecting plate and the elastic connecting plate is formed in the shell, and a spring mounting cavity for clamping and storing the spring is formed in the shell.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model skillfully adopts the elastic connecting plate, the spring and the inner electrode connecting plate to form a tripping mechanism, and adopts the low-temperature solder wire for welding between the elastic connecting plate and the inner electrode connecting plate; when the power surge protector passes through large current, the power surge protector is disconnected by welding so as to realize tripping protection. Additionally, the present invention provides a transient suppression diode that has extremely fast response time (sub-nanosecond) and relatively high surge absorption capability. When the two ends of the TVS are subjected to transient high-energy impact, the TVS can change the impedance value between the two ends from high impedance to low impedance at a very high speed so as to absorb a transient large current and clamp the voltage between the two ends of the TVS at a preset value, thereby protecting the following circuit elements from the impact of transient high-voltage spike pulse. To sum up, the utility model has the advantages of simple structure, action are reliable, have very high practical value and spreading value in surge protection technical field.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.
Fig. 1 is a schematic view of the appearance structure of the present invention.
Fig. 2 is a schematic structural diagram of the present invention (shell removal one).
Fig. 3 is a schematic structural diagram (shell two removed) of the present invention.
Fig. 4 is a schematic structural diagram (removing the bottom cover) of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1-shell, 2-bottom cover, 3-elastic electrode, 4-first inner electrode, 5-second inner electrode, 6-upper inner polar plate, 7-elastic connecting plate, 8-spring, 9-lower inner polar plate, 10-TVS suppression diode, 11-inner electrode connecting plate, 12-TVS module mounting cavity, 13-elastic connecting plate mounting cavity and 14-spring mounting cavity.
Detailed Description
To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. 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 application.
Examples
As shown in fig. 1 to 4, the present embodiment provides a small-sized power surge protector. In the present embodiment, the terms "first", "second", and the like are used only for distinguishing the similar components, and are not to be construed as limiting the scope of protection. In the present embodiment, the terms of orientation such as "bottom", "top", "peripheral edge", "center", and the like are explained based on the drawings.
Particularly, the small power surge protector of this embodiment, including shell 1, bottom 2 of lock in the bottom of shell 1, one end runs through respectively bottom 2 sets up, and the other end is arranged in elastic electrode 3, first inner electrode 4 and second inner electrode 5 in the shell 1, set up in shell 1, and with second inner electrode 5 integrated into one piece's last inner plate 6, set up in shell 1, and with first inner electrode 4 integrated into one piece's lower inner plate 9, the TVS who centre gripping set up between last inner plate 6 and lower inner plate 9 suppresses diode 10, with lower inner plate 9 integrated into one piece's inner electrode connecting plate 11, one end adopts the low temperature solder wire welding with inner electrode connecting plate 11, and the other end extrudes on shell 1, and the other end extrudes on elastic connecting plate 7, be used for pushing elastic connecting plate 7 after elastic connecting plate 7 and inner electrode connecting plate 11 open the welding and keep away from inner electrode 7 Spring 8 of connecting plate 11. In addition, a TVS module mounting cavity 12 for storing the upper inner polar plate 6, the lower inner polar plate 9 and the TVS suppression diode 10 is arranged in the shell 1; an elastic connecting plate mounting cavity 13 for storing the inner electrode connecting plate 11 and the elastic connecting plate 7 is formed in the shell 1, and a spring mounting cavity 14 for clamping and storing the spring 8 is formed in the shell 1.
In this embodiment, the transient suppressor diode is adopted to absorb a relatively high surge in a very fast response time, and when the absorption capacity of the transient suppressor diode is exceeded, the tin soldering of the elastic connection plate 7 and the inner electrode connection plate 11 is performed by open-circuit welding due to overcurrent, so that the elastic connection plate 7 is far away from the inner electrode connection plate 11 under the propelling action of the spring to realize tripping protection.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.
Claims (2)
1. A small power surge protector is characterized by comprising a shell (1), a bottom cover (2) buckled at the bottom of the shell (1), an elastic electrode (3), a first inner electrode (4) and a second inner electrode (5) which are arranged in the shell (1) at one end respectively through the bottom cover (2) and at the other end, an upper inner polar plate (6) which is arranged in the shell (1) and is integrally formed with the second inner electrode (5), a lower inner polar plate (9) which is arranged in the shell (1) and is integrally formed with the first inner electrode (4), a TVS suppression diode (10) which is clamped between the upper inner polar plate (6) and the lower inner polar plate (9), an inner electrode connecting plate (11) which is integrally formed with the lower inner polar plate (9), an elastic connecting plate (7) which is welded with the inner electrode connecting plate (11) at one end by adopting a low-temperature solder wire and at the other end is integrally formed with the elastic electrode (3), and one end of the spring (8) is extruded on the shell (1), the other end of the spring is extruded on the elastic connecting plate (7), and the spring is used for pushing the elastic connecting plate (7) to be far away from the inner electrode connecting plate (11) after the elastic connecting plate (7) and the inner electrode connecting plate (11) are welded.
2. A surge protector according to claim 1, wherein the housing (1) has a TVS module mounting cavity (12) formed therein for storing the upper inner plate (6), the lower inner plate (9) and the TVS suppressor diode (10); an elastic connecting plate mounting cavity (13) for storing the inner electrode connecting plate (11) and the elastic connecting plate (7) is formed in the shell (1), and a spring mounting cavity (14) for clamping and storing the spring (8) is formed in the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960180.2U CN210490464U (en) | 2019-11-13 | 2019-11-13 | Small power supply surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921960180.2U CN210490464U (en) | 2019-11-13 | 2019-11-13 | Small power supply surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210490464U true CN210490464U (en) | 2020-05-08 |
Family
ID=70510832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921960180.2U Active CN210490464U (en) | 2019-11-13 | 2019-11-13 | Small power supply surge protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210490464U (en) |
-
2019
- 2019-11-13 CN CN201921960180.2U patent/CN210490464U/en active Active
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