CN207475175U - A kind of high-capacity and high-speed short-circuit protection - Google Patents
A kind of high-capacity and high-speed short-circuit protection Download PDFInfo
- Publication number
- CN207475175U CN207475175U CN201721635142.0U CN201721635142U CN207475175U CN 207475175 U CN207475175 U CN 207475175U CN 201721635142 U CN201721635142 U CN 201721635142U CN 207475175 U CN207475175 U CN 207475175U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- circuit
- housing
- screw fastening
- control assembly
- 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.)
- Expired - Fee Related
Links
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a kind of high-capacity and high-speed short-circuit protections, including housing, circuit board, processor, control assembly, current transformer, the case inside bottom is provided with the circuit board, the circuit front edge of board is provided with the current transformer, explosion-proof tank is provided on the circuit board, explosive bridge is provided in the explosion-proof tank, cooling protection case is provided on the left of the explosion-proof tank, resistance is provided on the inside of the cooling protection case, fuse is provided on the left of the cooling protection case, the processor is provided at the top of the case inside, the control assembly is provided on the right side of the processor, the control assembly includes a shell, the cover top portion is provided with touch screen, data transmission device is provided on the right side of the control assembly.The beneficial effects of the utility model are：Protecting effect is more preferable, and to the protection of device itself more comprehensively, troubleshooting is much sooner.
Description
Technical field
The utility model is related to electric circuit protection equipment design fields, are filled more particularly to a kind of high-capacity and high-speed short-circuit protection
It puts.
Background technology
Short-circuit protection is all usually designed in present circuit, and for certain special circuits, before transformer
For circuit, when short circuit occurs, when breaker or other protective devices act, short circuit current is to transformation
The equipment such as device damage, and in this case, common short-circuit protection has not had the effect of protection, occur later
A kind of high-capacity and high-speed short-circuit protection, including an explosive bridge, a resistance, a fuse parallel connection, is arranged on change
It before the equipment such as depressor, when short circuit occurs, opens a way after explosive bridge instantaneous explosion, makes its fusing in short circuit current injection fuse,
Resistance is connected in the overvoltage that fusing generates, and the energy that short circuit generates is by resistance absorption, to play the effect of the equipment of protection thereafter
Fruit, but this device also has some shortcomings, because the explosion of explosive bridge and resistance are when transient absorption big energy
It may all be damaged and destroy circuit board even switch board, and occur fault message after short circuit without effective device
It passes so that the maintenance delays of maintenance personnel cause unnecessary loss.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of high-capacity and high-speed short-circuit protection dress
It puts.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of high-capacity and high-speed short-circuit protection, including housing, circuit board, processor, control assembly, Current Mutual Inductance
Device, the case inside bottom are provided with the circuit board, and the circuit front edge of board is provided with the current transformer, the electricity
Explosion-proof tank is provided on the plate of road, explosive bridge is provided in the explosion-proof tank, cooling protection case, institute are provided on the left of the explosion-proof tank
It states and resistance is provided on the inside of cooling protection case, fuse is provided on the left of the cooling protection case, is set at the top of the case inside
The processor is equipped with, the control assembly is provided on the right side of the processor, the control assembly includes a shell, described
Cover top portion is provided with touch screen, and control button is provided on the right side of the touch screen, data are provided on the right side of the control assembly
Transmitting device, the cover top portion edge are provided with indicator light.
In above structure, the current transformer is connected with the circuit of the circuit board, described quick-fried on the circuit board
Fried bridge, the resistance, the fuse are in parallel, and the current transformer has conducting wire and the processing with the explosive bridge
Device connects, and starts the processor by the control button by maintenance personnel first, in the touch of the control assembly
Shield input circuit parameter, safe range is voluntarily calculated according to circuit parameter by the processor, during normal work, the indicator light
In normal work lamp it is bright, front end occur short circuit when, the processor is according to the electric current detected in the current transformer
Variation controls the explosive bridge explosion open circuit, and short circuit current makes the fuse blows, and the resistance is led under short circuit current
It is logical, it plays a protective role to equipment thereafter, the trouble light in the indicator light is bright, while the data transmission device will
To at maintenance personnel, maintenance personnel can come to handle short-circuit conditions transmitting fault information immediately.
In order to further improve quality of protection, the housing is connected with the current transformer by screw fastening, institute
It states circuit board with the housing by screw fastening to be connected, the processor is connected with the housing by screw fastening.
In order to further improve quality of protection, the control assembly is connected with the housing by screw fastening, described
Data transmission device is connected with the housing by screw fastening, and the indicator light is connected with the housing by screw fastening
It connects.
In order to further improve quality of protection, the explosion-proof tank is connected with the circuit board by screw fastening, described
Explosive bridge is connect with the circuit board by conducting wire, and the cooling protection case is connected with the circuit board by screw fastening,
The resistance is connect with the circuit board by conducting wire, and the fuse is connect with the circuit board by conducting wire.
In order to further improve quality of protection, the housing front side is both provided with the hole of supply lines access with rear side surface,
Front side connects the current transformer, and rear side connects the circuit board, and the circuit board is connected with the current transformer by conducting wire
It connects.
It is the processor and the control assembly, the data transmission device, described in order to further improve quality of protection
Indicator light, the circuit board, the current transformer are connected by conducting wire, and the touch screen is tight by screw with the shell
Solid diffusivity, the control button are connected with the shell by screw fastening.
The beneficial effects of the utility model are：Protecting effect is more preferable, to the protection of device itself more comprehensively, troubleshooting
Much sooner.
Description of the drawings
Fig. 1 is a kind of main sectional view of high-capacity and high-speed short-circuit protection described in the utility model；
Fig. 2 is a kind of solid space view of high-capacity and high-speed short-circuit protection described in the utility model；
Fig. 3 is a kind of sectional view of bowing of the circuit board of high-capacity and high-speed short-circuit protection described in the utility model.
The reference numerals are as follows：
1st, circuit board；2nd, data transmission device；3rd, control assembly；4th, processor；5th, housing；6th, current transformer；7th, refer to
Show lamp；8th, control button；9th, shell；10th, touch screen；11st, fuse；12nd, resistance；13rd, cooling protection case；14th, explosion-proof tank；
15th, explosive bridge.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in Figure 1-Figure 3, a kind of high-capacity and high-speed short-circuit protection, including housing 5, circuit board 1, processor 4, control
Component 3 processed, current transformer 6,5 inside bottom of housing are provided with circuit board 1, and circuit board 1 is for arranging protection circuit, circuit board
1 front end is provided with current transformer 6, and explosion-proof tank 14 is provided on circuit board 1, and explosion-proof tank 14 is used to ensure 15 explosion time of explosive bridge
Other devices are not damaged, explosive bridge 15 is provided in explosion-proof tank 14, and explosive bridge 15 is left for explosion open circuit, explosion-proof tank 14 during short circuit
Side is provided with cooling protection case 13, and cooling protection case 13 is used to cool down resistance 12 and protective resistance 12,13 inside of cooling protection case
Resistance 12 is provided with, resistance 12 absorbs energy for conducting during short circuit, and 13 left side of cooling protection case is provided with fuse 11, fuses
Device 11 makes resistance 12 absorb energy for fusing during short circuit, and 5 inside top of housing is provided with processor 4, and processor 4 is used to control
Each device, 4 right side of processor are provided with control assembly 3, input and display working condition of the control assembly 3 for circuit parameter
Deng and control processor 4 start and stop etc., control assembly 3 includes a shell 9, and for arranging each device, shell 9 pushes up shell 9
Portion is provided with touch screen 10, and touch screen 10 is provided with for input circuit parameter and display working condition etc., 10 right side of touch screen
Control button 8, control button 8 are used for the start and stop of control processor 4, and 3 right side of control assembly is provided with data transmission device 2, number
Fault message is used for transmission to maintenance personnel according to transmitting device 2, and 9 top edge of shell is provided with indicator light 7, and indicator light 7 is used for
Indicate current working status.
In above structure, current transformer 6 is connected with the circuit of circuit board 1, explosive bridge 15, resistance 12 on circuit board 1,
Fuse 11 is in parallel, and current transformer 6 has conducting wire to be connect with processor 4 with explosive bridge 15, is led to first by maintenance personnel
It crosses control button 8 and starts processor 4, in the 10 input circuit parameter of touch screen of control assembly 3, joined by processor 4 according to circuit
Number voluntarily calculates safe range, and during normal work, the normal work lamp in indicator light 7 is bright, when short circuit occurs for front end, processor 4
According to the curent change detected in current transformer 6, the control explosion open circuit of explosive bridge 15, short circuit current makes fuse 11 molten
Disconnected, resistance 12 is connected under short circuit current, plays a protective role to equipment thereafter, and the trouble light in indicator light 7 is bright, simultaneously number
According to transmitting device 2 by transmitting fault information at maintenance personnel, maintenance personnel can come to handle short-circuit conditions immediately.
In order to further improve quality of protection, housing 5 is connected with current transformer 6 by screw fastening, circuit board 1 with
Housing 5 is connected by screw fastening, and processor 4 is connected with housing 5 by screw fastening, and control assembly 3 passes through with housing 5
Screw fastening is connected, and data transmission device 2 is connected with housing 5 by screw fastening, and indicator light 7 passes through screw with housing 5
Fastening is connected, and explosion-proof tank 14 is connected with circuit board 1 by screw fastening, and explosive bridge 15 is connect with circuit board 1 by conducting wire,
Cooling protection case 13 is connected with circuit board 1 by screw fastening, and resistance 12 is connect with circuit board 1 by conducting wire, fuse 11
It is connect with circuit board 1 by conducting wire, 5 front side of housing is both provided with the hole of supply lines access with rear side surface, and it is mutual that front side connects electric current
Sensor 6, rear side connect circuit board 1, and circuit board 1 is connected with current transformer 6 by conducting wire, processor 4 and control assembly 3, number
It is connected according to transmitting device 2, indicator light 7, circuit board 1, current transformer 6 by conducting wire, touch screen 10 passes through screw with shell 9
Fastening is connected, and control button 8 is connected with shell 9 by screw fastening.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (6)
1. a kind of high-capacity and high-speed short-circuit protection, it is characterised in that：Including housing, circuit board, processor, control assembly,
Current transformer, the case inside bottom are provided with the circuit board, and the circuit front edge of board is provided with the Current Mutual Inductance
Device is provided with explosion-proof tank on the circuit board, and explosive bridge is provided in the explosion-proof tank, cooling is provided on the left of the explosion-proof tank
Protective housing is provided with resistance on the inside of the cooling protection case, is provided with fuse on the left of the cooling protection case, in the housing
Side roof part is provided with the processor, and the control assembly is provided on the right side of the processor, and the control assembly includes one
Shell, the cover top portion are provided with touch screen, and control button is provided on the right side of the touch screen, is set on the right side of the control assembly
Data transmission device is equipped with, the cover top portion edge is provided with indicator light.
2. a kind of high-capacity and high-speed short-circuit protection according to claim 1, it is characterised in that：The housing with it is described
Current transformer is connected by screw fastening, and the circuit board is connected with the housing by screw fastening, the processing
Device is connected with the housing by screw fastening.
3. a kind of high-capacity and high-speed short-circuit protection according to claim 1, it is characterised in that：The control assembly with
The housing is connected by screw fastening, and the data transmission device is connected with the housing by screw fastening, described
Indicator light is connected with the housing by screw fastening.
4. a kind of high-capacity and high-speed short-circuit protection according to claim 1, it is characterised in that：The explosion-proof tank and institute
It states circuit board by screw fastening to be connected, the explosive bridge is connect with the circuit board by conducting wire, the cooling protection case
With the circuit board by screw fastening be connected, the resistance is connect with the circuit board by conducting wire, the fuse and
The circuit board is connected by conducting wire.
5. a kind of high-capacity and high-speed short-circuit protection according to claim 1, it is characterised in that：On front side of the housing with
Rear side surface is both provided with the hole of supply lines access, and front side connects the current transformer, and rear side connects the circuit board, the circuit
Plate is connected with the current transformer by conducting wire.
6. a kind of high-capacity and high-speed short-circuit protection according to claim 1, it is characterised in that：The processor and institute
Control assembly, the data transmission device, the indicator light, the circuit board, the current transformer is stated by conducting wire to connect
It connects, the touch screen is connected with the shell by screw fastening, and the control button is fastened with the shell by screw
It is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635142.0U CN207475175U (en) | 2017-11-30 | 2017-11-30 | A kind of high-capacity and high-speed short-circuit protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635142.0U CN207475175U (en) | 2017-11-30 | 2017-11-30 | A kind of high-capacity and high-speed short-circuit protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475175U true CN207475175U (en) | 2018-06-08 |
Family
ID=62259090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721635142.0U Expired - Fee Related CN207475175U (en) | 2017-11-30 | 2017-11-30 | A kind of high-capacity and high-speed short-circuit protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475175U (en) |
-
2017
- 2017-11-30 CN CN201721635142.0U patent/CN207475175U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206226003U (en) | A kind of power circuit lightning protection and the counterattack of ground potential high pressure suppress protection device | |
| CN203895966U (en) | Reversed and tripping failure shielding type power surge protector | |
| CN207475175U (en) | A kind of high-capacity and high-speed short-circuit protection | |
| CN207098608U (en) | A kind of intellectual monitoring protection device of surge protector | |
| CN201490031U (en) | Integrated electricity-testing manipulator | |
| CN204391717U (en) | A kind of Novel electric surge protector | |
| CN206790091U (en) | A kind of SPD back-up protection devices with intellectual monitoring function | |
| CN206211531U (en) | A kind of Aftercurrent protecting equipment lightning protection device | |
| CN207572966U (en) | A kind of neutral point non-linear ground resistance | |
| CN107978495A (en) | A kind of protective device of breaker | |
| CN103996581A (en) | Breaker with overvoltage and undervoltage protection function and automatic reset function | |
| CN207117001U (en) | A kind of work about electric power electric power cabinet | |
| CN206611054U (en) | Dual power supply distribution box | |
| CN203931986U (en) | With the circuit breaker of overvoltage/undervoltage protection and auto-reset function | |
| CN204696649U (en) | A kind of single mechanical trip lightning protection device | |
| CN209693310U (en) | A kind of included heat spreader module structure with alarm indication function | |
| CN207410028U (en) | A kind of switching type power supply lightning protection device of band dropout protection | |
| CN105429126B (en) | A kind of three-phase surge protector | |
| CN206293667U (en) | Become the anti-error isolating device of electric terminal | |
| CN204464221U (en) | A kind of power brick fuse | |
| CN206558458U (en) | A kind of surge protector switched with back-up protection | |
| CN207530344U (en) | A kind of power distribution cabinet of adaptive voltage scaling | |
| CN204391707U (en) | A kind of Novel electric surge protector | |
| CN209329536U (en) | A kind of handcart-type protection cabinets | |
| CN207558713U (en) | A kind of electric power safety earth leakage protective device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20191130 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |