CN216145575U - Special backup protection switch for SPD - Google Patents
Special backup protection switch for SPD Download PDFInfo
- Publication number
- CN216145575U CN216145575U CN202121818080.3U CN202121818080U CN216145575U CN 216145575 U CN216145575 U CN 216145575U CN 202121818080 U CN202121818080 U CN 202121818080U CN 216145575 U CN216145575 U CN 216145575U
- Authority
- CN
- China
- Prior art keywords
- fixing
- heat dissipation
- groove
- spd
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model provides a special backup protection switch for SPD, which is characterized by comprising a shell, a wire inlet end, a wire outlet end, a tripping structure, a heat dissipation structure, a gap protection structure and an electromagnetic coil structure, wherein the wire inlet end, the wire outlet end, the tripping structure, the heat dissipation structure, the gap protection structure and the electromagnetic coil structure are all arranged in the shell.
Description
Technical Field
The utility model relates to the field of electric appliance protection, in particular to a backup protection switch special for SPD.
Background
The SPD special backup protection switch is a device for protecting the SPD, the SPD special backup protection switch and the SPD are matched for use, so that the SPD backup protector is not disconnected under the large lightning impact; after the SPD fails, the small-frequency current flows through the switch to be quickly disconnected, so that the safety of a power grid and power utilization is ensured. The existing special SPD protection device has a simple structure, the gap protection device has a complex structure and poor sealing property, and the phenomenon of power connection easily occurs under the condition of poor humidity condition, so that the normal use of the special SPD protection device is influenced. And the existing SPD special protection device has poor heat dissipation effect and can not well separate and dissipate heat of hot air in the SPD special protection device. When the existing SPD is used, the SPD cannot trip when the electric leakage phenomenon is found, and a large amount of heat can be emitted when the electric leakage time is too long, so that safety accidents are easy to happen.
SUMMERY OF THE UTILITY MODEL
According to the technical problem, the utility model provides a special backup protection switch for SPD, which is characterized by comprising a shell, a wire inlet end, a wire outlet end, a tripping structure, a heat dissipation structure, a gap protection structure and an electromagnetic coil structure, wherein the wire inlet end, the wire outlet end, the tripping structure, the heat dissipation structure, the gap protection structure and the electromagnetic coil structure are all arranged in the shell, the wire inlet end is connected with the tripping structure, one side of the tripping structure is provided with the electromagnetic coil structure, two ends of the electromagnetic coil structure are respectively connected with the gap protection structure, one end of the gap protection structure is connected with the wire outlet end, the other end of the gap protection structure is in matched contact with the tripping structure, the heat dissipation structure is arranged at the lower side of the gap protection structure and consists of a heat dissipation plate and a heat dissipation block, the heat dissipation block is arranged on the heat dissipation plate and consists of a fireproof plate and a locking plate, The fireproof plate comprises two fireproof plates, the two fireproof plates are connected through a partition plate, the partition plate is divided into a transverse partition plate and a longitudinal partition plate, the transverse partition plate is installed at one end of the fireproof plate, and the longitudinal partition plate is installed at the other end of the fireproof plate; the clearance protection structure comprises epitheca, inferior valve, gasket, metal graphite copper sheet, epitheca, inferior valve pass through the buckle and connect, be fixed with metal graphite copper sheet in epitheca, the downside respectively, install the gasket between two metal graphite copper sheets, the erection column is installed respectively to epitheca, inferior valve side, the erection column is inserted in the installing frame of electromagnetism coil.
The metal graphite copper sheet is installed in the installation hole, fixing structures are installed on the upper side and the lower side of the installation hole respectively, limiting structures are arranged on the periphery of the installation hole, and the gasket is placed inside the limiting structures.
The mounting hole is internally provided with a fixing bulge, the rear side of the metal graphite copper sheet is provided with a fixing groove, and the fixing bulge and the fixing groove are matched for use.
The fixing holes are respectively a groove fixing hole and a protruding fixing hole, the groove fixing hole and the protruding fixing hole are respectively installed on the upper shell and the lower shell, the protruding fixing hole is installed inside the groove fixing hole when the upper shell and the lower shell are fixed, and fixing columns are fixed inside the groove fixing hole and the protruding fixing hole.
The fixing structure is divided into a fixing groove and a fixing clamp, the fixing groove and the fixing clamp are respectively installed on the upper shell and the lower shell, a protruding frame is arranged on the side face of the upper shell, a groove is formed in the side face of the lower shell, when the upper shell and the lower shell are fixed, the fixing clamp is inserted into the fixing groove, and the protruding frame and the groove are matched for use.
The gasket is an annular gasket.
The metal graphite copper sheet is a round metal graphite copper sheet.
The utility model has the beneficial effects that: the improved gap protection structure has good sealing performance, is suitable for various environments, can not generate the phenomena of power connection and electric leakage even in a humid environment, and improves the safety performance of the gap protection structure.
The improved radiator can radiate heat well and improve the radiating efficiency. During heat dissipation, the hot air is firstly subjected to heat dissipation and segmentation through the transverse segmentation plate, and the segmented hot air is subjected to heat dissipation and segmentation through the longitudinal segmentation plate, so that heat can be quickly dissipated, and the safety of the utility model is improved.
The gasket is arranged between the two metal graphite copper sheets, and the limiting structure is arranged outside the mounting hole of the upper shell and the lower shell, so that the limiting structure is convenient for mounting the gasket, and the mounting difficulty is reduced. When the gasket is used, gaskets with different thicknesses can be selected according to the use condition, so that the gasket is convenient to adapt to different conditions.
The gap protection structure and the electromagnetic coil structure arranged in the power frequency small-current surge protector respectively protect small power frequency current and lightning current, so that the power frequency small-current rapid breaking is realized, the lightning current impact is not released, and the effects of fire protection of the power frequency small-current surge protector and continuous work of the lightning current impact surge protector are achieved.
The utility model can be quickly cut off when receiving external abnormal current after being improved, and has high response speed and high sensitivity. When the utility model receives external small current, the gap protection structure is broken down, the tripping structure of the utility model is tripped, the utility model is disconnected, and the SPD is closed, so that the utility model plays a role in protecting the gap protection structure; when large current occurs, the gap protection structure is assimilated and cannot play a role, at the moment, the current passes through the electromagnetic coil structure and acts on the electromagnetic coil structure, the tripping structure of the utility model trips, the utility model is disconnected, and the SPD is closed, so that the utility model plays a role in protecting the gap protection structure. When the utility model is used, the utility model can trip rapidly when meeting high and low currents, and can also react rapidly when the phenomenon of continuous electric leakage occurs, thereby well protecting the SPD.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the utility model;
FIG. 3 is a schematic view of a heat dissipation structure of the present invention;
FIG. 4 is a schematic view of a heat dissipation structure of the present invention;
FIG. 5 is a schematic view of the upper housing of the gap protection structure of the present invention;
FIG. 6 is a schematic view of the lower shell of the gap protection structure of the present invention;
FIG. 7 is a schematic structural view of a metal graphite copper sheet according to the present invention;
FIG. 8 is a schematic view of a gasket structure according to the present invention.
FIG. 9 is a schematic view of a gasket structure according to the present invention.
As shown in the figure: the electromagnetic coil structure comprises a shell 1, a wire inlet end 2, a wire outlet end 3, a tripping structure 4, a heat dissipation structure 5, a gap protection structure 6, an electromagnetic coil structure 7, a heat dissipation plate 5-1, a heat dissipation block 5-2, an upper shell 6-1, a lower shell 6-2, a gasket 6-3 and a metal graphite copper sheet 6-4.
Detailed Description
Example 1
The utility model provides a special backup protection switch for SPD, which is characterized by comprising a shell, a wire inlet end, a wire outlet end, a tripping structure, a heat dissipation structure, a gap protection structure and an electromagnetic coil structure, wherein the wire inlet end, the wire outlet end, the tripping structure, the heat dissipation structure, the gap protection structure and the electromagnetic coil structure are all arranged in the shell, the wire inlet end is connected with the tripping structure, one side of the tripping structure is provided with the electromagnetic coil structure, two ends of the electromagnetic coil structure are respectively connected with the gap protection structure, one end of the gap protection structure is connected with the wire outlet end, the other end of the gap protection structure is in matched contact with the tripping structure, the heat dissipation structure is arranged at the lower side of the gap protection structure and consists of a heat dissipation plate and a heat dissipation block, the heat dissipation block is arranged on the heat dissipation plate and consists of a fireproof plate and a partition plate, and the number of the fireproof plates is two, the two fire-proof plates are connected through a partition plate, the partition plate is divided into a transverse partition plate and a longitudinal partition plate, the transverse partition plate is installed at one end of the fire-proof plate, and the longitudinal partition plate is installed at the other end of the fire-proof plate; the clearance protection structure comprises epitheca, inferior valve, gasket, metal graphite copper sheet, epitheca, inferior valve pass through the buckle and connect, be fixed with the graphite flake respectively in epitheca, the downside, install the gasket between two metal graphite copper sheets, the erection column is installed respectively to epitheca, inferior valve side, the erection column is inserted in the installing frame of electromagnetic coil. The metal graphite copper sheet is installed in the installation hole, fixing structures are installed on the upper side and the lower side of the installation hole respectively, limiting structures are arranged on the periphery of the installation hole, and the gasket is placed inside the limiting structures. The mounting hole is internally provided with a fixing bulge, the rear side of the graphite sheet is provided with a fixing groove, and the fixing bulge and the fixing groove are matched for use. The fixing holes are respectively a groove fixing hole and a protruding fixing hole, the groove fixing hole and the protruding fixing hole are respectively installed on the upper shell and the lower shell, the protruding fixing hole is installed inside the groove fixing hole when the upper shell and the lower shell are fixed, and fixing columns are fixed inside the groove fixing hole and the protruding fixing hole. The fixing structure is divided into a fixing groove and a fixing clamp, the fixing groove and the fixing clamp are respectively installed on the upper shell and the lower shell, a protruding frame is arranged on the side face of the upper shell, a groove is formed in the side face of the lower shell, when the upper shell and the lower shell are fixed, the fixing clamp is inserted into the fixing groove, and the protruding frame and the groove are matched for use. The gasket is an annular gasket. The metal graphite copper sheet is a round metal graphite copper sheet.
Example 2
When the heat dissipation structure is used, heat generated by the heat dissipation structure is dissipated through the heat dissipation structure, hot air is firstly dissipated and divided through the transverse dividing plate during heat dissipation, the divided hot air is dissipated and divided through the longitudinal dividing plate, heat can be dissipated quickly, and safety of the heat dissipation structure is improved.
When a small work frequency current flows through the utility model, the current strikes the gap protection structure, the gap protection structure is tripped by the short circuit tripping structure, and the power supply is quickly disconnected to ensure the safety of a power grid and power utilization.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. A backup protection switch special for SPD is characterized by comprising a shell, a wire inlet end, a wire outlet end, a tripping structure, a heat dissipation structure, a gap protection structure and an electromagnetic coil structure, wherein the wire inlet end, the wire outlet end, the tripping structure, the heat dissipation structure, the gap protection structure and the electromagnetic coil structure are all arranged in the shell, the wire inlet end is connected with the tripping structure, one side of the tripping structure is provided with the electromagnetic coil structure, two ends of the electromagnetic coil structure are respectively connected with the gap protection structure, one end of the gap protection structure is connected with the wire outlet end, the other end of the gap protection structure is in matched contact with the tripping structure, the heat dissipation structure is arranged at the lower side of the gap protection structure and consists of a heat dissipation plate and a heat dissipation block, the heat dissipation block is arranged on the heat dissipation plate, the heat dissipation block consists of a fireproof plate and a partition plate, and the number of the fireproof plates is two, the two fire-proof plates are connected through a partition plate, the partition plate is divided into a transverse partition plate and a longitudinal partition plate, the transverse partition plate is installed at one end of the fire-proof plate, and the longitudinal partition plate is installed at the other end of the fire-proof plate; the clearance protection structure comprises epitheca, inferior valve, gasket, metal graphite copper sheet, epitheca, inferior valve pass through the buckle and connect, be fixed with metal graphite copper sheet in epitheca, the downside respectively, install the gasket between two metal graphite copper sheets, the erection column is installed respectively to epitheca, inferior valve side, the erection column is inserted in the installing frame of electromagnetism coil.
2. The special backup protection switch for the SPD according to claim 1, wherein the upper shell and the lower shell are respectively provided with a fixing hole and a mounting hole, a metal graphite copper sheet is installed in the mounting hole, fixing structures are respectively installed on the upper side and the lower side of the mounting hole, a limiting structure is arranged around the mounting hole, and the gasket is placed in the limiting structure.
3. The special backup protection switch for the SPD according to claim 2, wherein a fixing protrusion is arranged in the mounting hole, a fixing groove is arranged on the rear side of the metal graphite copper sheet, and the fixing protrusion and the fixing groove are matched for use.
4. The backup protection switch special for SPD according to claim 2, wherein the fixing holes are a groove fixing hole and a protrusion fixing hole, respectively, the groove fixing hole and the protrusion fixing hole are respectively installed on the upper shell and the lower shell, the protrusion fixing hole is installed inside the groove fixing hole when the upper shell and the lower shell are fixed, and the fixing columns are fixed inside the groove fixing hole and the protrusion fixing hole.
5. The backup protection switch special for SPD according to claim 2, wherein the fixing structure is composed of a fixing groove and a fixing clip, the fixing groove and the fixing clip are respectively installed on the upper shell and the lower shell, the side surface of the upper shell is provided with a protruding frame, the side surface of the lower shell is provided with a groove, when the upper shell and the lower shell are fixed, the fixing clip is inserted into the fixing groove, and the protruding frame and the groove are used in cooperation.
6. A SPD dedicated backup protection switch according to claim 1, characterized in that said gasket is an annular gasket.
7. The special backup protection switch for SPDs according to claim 1, wherein said metal graphite copper sheet is a circular metal graphite copper sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818080.3U CN216145575U (en) | 2021-08-05 | 2021-08-05 | Special backup protection switch for SPD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121818080.3U CN216145575U (en) | 2021-08-05 | 2021-08-05 | Special backup protection switch for SPD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216145575U true CN216145575U (en) | 2022-03-29 |
Family
ID=80804229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121818080.3U Active CN216145575U (en) | 2021-08-05 | 2021-08-05 | Special backup protection switch for SPD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216145575U (en) |
-
2021
- 2021-08-05 CN CN202121818080.3U patent/CN216145575U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104813432B (en) | Surge protection device having short-circuit current protection function | |
| CN201918306U (en) | Immobilization post with radiating device | |
| CN211265384U (en) | Microcomputer intelligent protection molded case circuit breaker | |
| CN216145575U (en) | Special backup protection switch for SPD | |
| CN110459374B (en) | Explosion-proof lightning arrester | |
| CN211654490U (en) | Lightning protection dry-type transformer | |
| CN210692324U (en) | Outdoor transformer with lightning protection effect | |
| CN214755399U (en) | Intelligent monitoring type bus duct | |
| CN215527631U (en) | Frame-type circuit breaker with plug-in terminal | |
| CN212012124U (en) | SPD backup protection device | |
| CN216146090U (en) | SPD with backup protection switch | |
| CN220963225U (en) | Fuse for switch board | |
| CN221008857U (en) | Overload protection motor protector | |
| CN205789778U (en) | A kind of chopper that reduces installs the structure of bottom surface temperature rise | |
| CN212874333U (en) | Intelligent universal circuit breaker | |
| CN212649985U (en) | Good heat dissipation's video signal surge protector | |
| CN213815696U (en) | Electrostatic suppressor with overcurrent protection | |
| CN216793573U (en) | Intelligent circuit breaker | |
| CN211908347U (en) | SPD backup protection device | |
| CN212648050U (en) | Transformer with lightning protection function | |
| CN215498167U (en) | High-protection air bus duct | |
| CN209912822U (en) | Conductive bus for circuit breaker | |
| CN218412753U (en) | Distribution network PT ferromagnetic resonance monitor | |
| CN213027366U (en) | Fire-proof intensive bus duct | |
| CN213693076U (en) | Closed heat dissipation bus duct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |