CN215343904U - 1U power lightning protection device - Google Patents
1U power lightning protection device Download PDFInfo
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- CN215343904U CN215343904U CN202121777520.5U CN202121777520U CN215343904U CN 215343904 U CN215343904 U CN 215343904U CN 202121777520 U CN202121777520 U CN 202121777520U CN 215343904 U CN215343904 U CN 215343904U
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Abstract
The utility model discloses a 1U power supply lightning protection device, which comprises a front shell and a rear shell which are connected in a buckling manner, a pin and discharger installation cavity, a tripping installation cavity, a micro switch and a tripping spring installation cavity, a positive pole installation groove, a PE pole installation groove and a negative pole installation groove, a positive pole power connector, a PE connector, a negative pole connector, a gas pipe and a thermal tripping mechanism, wherein the pin and discharger installation cavity, the tripping installation cavity, the micro switch and the tripping spring installation cavity are formed by the front shell and the rear shell and are sequentially arranged along the plugging direction, the positive pole installation groove, the PE pole installation groove and the negative pole installation groove are arranged in the front parts of the front shell and the rear shell, the positive pole power connector is arranged in the positive pole installation groove, the PE connector is arranged in the PE pole installation groove, the negative pole connector is arranged in the negative pole installation groove, the gas pipe is connected between the positive pole power connector and the PE connector, and the thermal tripping mechanism is arranged in the tripping installation cavity and is connected with the positive pole power connector and the negative pole connector. Through the scheme, the lightning protection device has the advantages of simple structure, convenience and quickness in installation, reliability in discharge protection and the like, and has high practical value and popularization value in the technical field of lightning protection.
Description
Technical Field
The utility model relates to the technical field of lightning protection, in particular to a 1U power supply lightning protection device.
Background
The power supply lightning protection device is used for inductive lightning protection of low-voltage direct-current products. At present, the low-voltage direct-current lightning protection device in the prior art mostly adopts one of a single tripping mode, a pressure-sensitive tripping mode or a gas discharge tube tripping mode, and has single protection capability and low protection safety level; in addition, the low-voltage direct current lightning protection device in the prior art is installed in a guide rail way or directly installed by screws, and the whole machine is not designed in a modularized way; the whole body can not be pulled out and inserted quickly when being replaced.
Therefore, it is urgently needed to provide a 1U power supply lightning protection device with simple structure, convenient installation and reliable discharge protection.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model aims to provide a 1U power supply lightning protection device, and the technical scheme adopted by the utility model is as follows:
the utility model provides a 1U power lightning protection device, it includes procapsid and back casing that the lock is connected, constitute jointly by procapsid and back casing, and along participating in and the discharger installation cavity that the grafting direction was laid in proper order, dropout installation cavity and micro-gap switch and tripping spring installation cavity, set up the anterior anodal mounting groove of casing and back casing in the front, PE utmost point mounting groove and negative pole mounting groove, set up the anodal power connector in anodal mounting groove, the PE connector of setting in PE utmost point mounting groove, the negative pole connector of setting in the negative pole mounting groove, connect the gas discharge tube between anodal power connector and PE connector, the setting is in the dropout installation cavity, and the thermal tripping device who is connected with anodal power connector and negative pole connector.
Further, the thermal tripping mechanism comprises a tripping arm which is in shaft connection with the inner walls of the front shell and the rear shell, one end of the tripping arm is arranged in the tripping installation cavity, the other end of the tripping arm is arranged in the installation cavity of the micro switch and the tripping spring, a braided wire of which one end is connected with the negative connector, a contact piece of which the bottom is connected with the other end of the braided wire and one end of which is in shaft connection with the inner walls of the front shell and the rear shell, and a tripping spring which is arranged in the installation cavity of the micro switch and the tripping spring, is connected with the tripping arm and is used for disconnecting the positive power connector from the tripping arm during hot melting tripping.
Furthermore, a button lock catch is arranged in the installation cavity of the microswitch and the tripping spring.
Furthermore, the 1U power supply lightning protection device also comprises a microswitch which is arranged in the microswitch and tripping spring installation cavity and is connected with the tripping arm.
Furthermore, the 1U power supply lightning protection device also comprises an indication rotating arm which is arranged in the micro switch and the tripping spring installation cavity and is connected with the tripping arm.
Furthermore, a positive connecting sheet is arranged between the positive power connector and the trip arm; and a negative connecting sheet is arranged between the negative connector and the braided wire.
Furthermore, the 1U power supply lightning protection device also comprises signal electrode mounting grooves which are arranged at the front parts of the front shell and the rear shell; and the signal pole mounting groove is provided with a signal connector connected with the microswitch.
Preferably, the positive power connector, the signal connector, the PE connector and the negative connector are in duckbill shapes.
Compared with the prior art, the utility model has the following beneficial effects:
(1) according to the utility model, a duckbilled positive power connector, a duckbilled signal connector, a duckbilled PE connector and a duckbilled negative connector are skillfully adopted as the pin clamping and connecting mechanism, so that the pin clamping and connecting mechanism is reliable in plugging and pulling connection and convenient and fast in connection;
(2) the utility model skillfully arranges the gas discharge tube and the thermal tripping mechanism, and realizes discharge protection after tripping; when lightning current passes through the protection device, the electrode plates are at high temperature in a short time, the low-temperature welding points are quickly melted, and the spring acts to mechanically trip;
(3) according to the utility model, the gas medium breakdown discharge protection device is connected in series with the positive power connector, when instantaneous high-voltage and high-activity electrons move, the gas medium breaks down and short circuits, and large current passes through the PE connector end, so as to realize lightning protection;
in conclusion, the lightning protection device has the advantages of simple structure, convenience and quickness in installation, reliability in discharge protection and the like, and has high practical value and popularization value in the technical field of lightning protection.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in 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 limiting the scope of protection, and it is obvious for those skilled in the art that other related drawings can be obtained according to these drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of a front-removing case according to the present invention.
Fig. 3 is a schematic view of the internal structure of the present invention.
Fig. 4 is a schematic structural diagram of the utility model without a front shell and a rear shell.
Fig. 5 is a schematic structural view of the rear housing of the present invention.
Fig. 6 is an equivalent schematic diagram of the present invention.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
1. a front housing; 2. a rear housing; 3. the pin and discharger mounting cavity; 4. a trip mounting cavity; 5. a microswitch and trip spring mounting cavity; 6. a positive power connector; 7. a signal connector; 8. a PE connector; 9. a negative connector; 10. a gas discharge tube; 11. a thermal trip mechanism; 12. a microswitch; 13. a negative electrode connecting sheet; 14. weaving wires; 15. a contact piece; 16. a positive electrode connecting sheet; 17. a trip arm; 18. a trip spring; 19. an indicating rotating arm; 20. a button lock catch; 21. an equivalent resistance.
Detailed Description
To further clarify the objects, technical solutions and advantages of the present application, 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.
Example (b):
as shown in fig. 1 to 6, the present embodiment provides a 1U power supply lightning protection device. First, the terms "first", "second", and the like in the present embodiment are used only for distinguishing the same kind of components, and are not to be construed as specifically 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. Moreover, the gas discharge tube of the present embodiment is a mature component, and the internal structure thereof will not be described herein.
In this embodiment, the lightning protection device for 1U power supply comprises a front case 1 and a rear case 2 which are connected in a snap-fit manner, a pin and discharger installation cavity 3, a trip installation cavity 4, a micro switch and trip spring installation cavity 5 which are jointly formed by the front case 1 and the rear case 2 and are sequentially arranged along the plugging direction, a positive electrode installation groove, a PE electrode installation groove, a negative electrode installation groove and a signal electrode installation groove which are arranged at the front parts of the front case 1 and the rear case 2, a positive electrode power connector 6 arranged in the positive electrode installation groove, a signal connector 7 arranged in the signal electrode installation groove, a PE connector 8 arranged in the PE electrode installation groove, a negative electrode connector 9 arranged in the negative electrode installation groove, a gas discharge tube 10 connected between the positive electrode power connector 6 and the PE connector 8, and a thermal trip mechanism 11 arranged in the trip installation cavity 4 and connected with the positive electrode power connector 6 and the negative electrode connector 9, a microswitch 12 arranged in the microswitch and tripping spring mounting cavity 5 and connected with the tripping arm 17, and an indicating rotating arm 19 arranged in the microswitch and tripping spring mounting cavity 5 and connected with the tripping arm 17. In order to realize the quick plug connection, the positive power connector 6, the signal connector 7, the PE connector 8, and the negative connector 9 of the present embodiment are in the shape of duck bill.
In the present embodiment, the thermal trip mechanism 11 includes a trip arm 17 coupled to the inner walls of the front case 1 and the rear case 2, one end of which is disposed in the trip mounting chamber 4, and the other end of which is disposed in the micro-switch and trip spring mounting chamber 5, a braided wire 14 having one end connected to the negative connector 9, a contact piece 15 having a bottom connected to the other end of the braided wire 14 and one end coupled to the inner walls of the front case 1 and the rear case 2, and a trip spring 18 disposed in the micro-switch and trip spring mounting chamber 5 and having one end connected to the trip arm 17 for disconnecting the positive power connector 6 from the trip arm 17 in thermal trip. In addition, a positive connecting sheet 16 is arranged between the positive power connector 6 and the trip arm 17; a negative connection piece 13 is arranged between the negative connector 9 and the braided wire 14. The electrical connection circuit between the positive power connector 6 and the negative connector 9 constitutes an equivalent resistance 21.
In this embodiment, before lightning: the trip arm 17 is welded with the positive connecting piece 16 at low temperature; when lightning strikes, the positive connecting sheet is at high temperature in a short time, the low-temperature welding spot is quickly melted, and the spring pulls the positive connecting sheet to realize mechanical tripping and interrupt the action electric signal of the microswitch. The positive power connector is connected with a gas discharge tube in series, when high-voltage high-activity electrons move instantly, a gas medium breaks down and short circuits, and large current passes through the PE connector end, so that lightning protection is realized.
The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the scope of the present invention, but all the modifications made by the principles of the present invention and the non-inventive efforts based on the above-mentioned embodiments shall fall within the scope of the present invention.
Claims (8)
1. A1U power supply lightning protection device is characterized by comprising a front shell (1) and a rear shell (2) which are connected in a buckling manner, a pin and discharger installation cavity (3), a tripping installation cavity (4), a micro switch and tripping spring installation cavity (5) which are jointly formed by the front shell (1) and the rear shell (2) and are sequentially arranged along the plugging direction, and an anode installation groove which is arranged at the front parts of the front shell (1) and the rear shell (2), PE utmost point mounting groove and negative pole mounting groove, set up anodal power connector (6) in anodal mounting groove, PE connector (8) of setting in PE utmost point mounting groove, negative pole connector (9) of setting in the negative pole mounting groove, gas discharge tube (10) of connection between anodal power connector (6) and PE connector (8), set up in dropout installation cavity (4), and heat tripping device (11) of being connected with anodal power connector (6) and negative pole connector (9).
2. A 1U power lightning protection device according to claim 1, characterized in that the thermal trip mechanism (11) comprises a trip arm (17) coupled to the inner walls of the front (1) and rear (2) housings, one end of which is disposed in the trip mounting chamber (4) and the other end of which is disposed in the micro-switch and trip spring mounting chamber (5), a braided wire (14) having one end connected to the negative connector (9), a contact piece (15) having a bottom connected to the other end of the braided wire (14) and one end coupled to the inner walls of the front (1) and rear (2) housings, and a trip spring (18) disposed in the micro-switch and trip spring mounting chamber (5) and having one end connected to the trip arm (17) for disconnecting the positive power connector (6) from the trip arm (17) during thermal fusion trip.
3. A 1U power lightning protection means according to claim 1, characterised in that a push button latch (20) is provided in said micro switch and trip spring housing (5).
4. A 1U power lightning protection means according to claim 2, characterised by further comprising a microswitch (12) arranged in the microswitch and trip spring mounting chamber (5) and connected to the trip arm (17).
5. A 1U power lightning protection means according to claim 2, characterised by further comprising an indicating turn arm (19) arranged in the microswitch and trip spring mounting chamber (5) and connected to the trip arm (17).
6. A1U power lightning protection device according to any of claims 2 to 5, characterised in that a positive connection tab (16) is provided between the positive power connector (6) and the trip arm (17); and a negative connecting sheet (13) is arranged between the negative connector (9) and the braided wire (14).
7. A1U power lightning protection device according to any of claims 1 to 5, characterised by further comprising signal electrode mounting slots arranged at the front of the front shell (1) and the rear shell (2); and the signal pole mounting groove is provided with a signal connector (7) connected with the microswitch.
8. A1U power lightning protection device according to claim 7, characterised in that said positive power connector (6), signal connector (7), PE connector (8), negative connector (9) are duckbilled in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121777520.5U CN215343904U (en) | 2021-08-03 | 2021-08-03 | 1U power lightning protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121777520.5U CN215343904U (en) | 2021-08-03 | 2021-08-03 | 1U power lightning protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215343904U true CN215343904U (en) | 2021-12-28 |
Family
ID=79574710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121777520.5U Active CN215343904U (en) | 2021-08-03 | 2021-08-03 | 1U power lightning protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215343904U (en) |
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2021
- 2021-08-03 CN CN202121777520.5U patent/CN215343904U/en active Active
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