CN207475176U - A kind of high-voltage and current-limitation fuse assembled protector - Google Patents
A kind of high-voltage and current-limitation fuse assembled protector Download PDFInfo
- Publication number
- CN207475176U CN207475176U CN201721635184.4U CN201721635184U CN207475176U CN 207475176 U CN207475176 U CN 207475176U CN 201721635184 U CN201721635184 U CN 201721635184U CN 207475176 U CN207475176 U CN 207475176U
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- China
- Prior art keywords
- voltage
- current
- installing plate
- screw
- limitation fuse
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Abstract
The utility model discloses a kind of high-voltage and current-limitation fuse assembled protectors, including high-voltage and current-limitation fuse, voltage transformer, earthing reactor, installing plate, Intellectual computer processor, switch pedestal, overvoltage protector, shell, display screen is provided on the shell, thermovent is provided with below the display screen, setting live wire below the thermovent, the enclosure is provided with the installing plate, connecting plate is provided on the installing plate, the overvoltage protector is provided on the connecting plate, it is provided on the overvoltage protector and hits stick, described hit is provided with stent below stick, described hit is provided with voltage sensor on stick.Advantageous effect is：The utility model finds short circuit in the loop, and high-voltage and current-limitation fuse quick fuse cuts off short circuit current immediately; overvoltage protector can protect circuit to run well in overtension; independently it can radiate and be grounded, reach good protecting effect, display screen can show voltage and current information.
Description
Technical field
The utility model is related to electric circuit protection equipment fields, and protection dress is combined more particularly to a kind of high-voltage and current-limitation fuse
It puts.
Background technology
With the fast development of China's distribution network, the capacity of short circuit of electric system increasingly increases, generator outlet end
Excitation-transformation variable, unit transformer, short circuit current is very big, and past Normal practice is：Using the side of cut-offfing of breaker series connection current-limiting reactor
Formula.When power grid is in normal operation, there are voltage landing and losses, the transmission of electricity quality of power grid are influenced very big.Reactor is only
The peak value of short circuit current can be changed and the time of short circuit current zero crossing cannot be changed, and breaker will ability in several cycles again
Short circuit current is cut-off, the peak value multipass short-circuit network of short circuit current causes cumulative bad to destroy system, while most of guarantor
Protection unit does not have earthing or grounding means, can not solve earth fault phase, and also without radiator structure, device operational process medium temperature spends high meeting
There is chance failure, circuit conditions can not be got information about.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of high-voltage and current-limitation fuse combination and protect
Protection unit.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of high-voltage and current-limitation fuse assembled protector, including high-voltage and current-limitation fuse, voltage transformer, earthing reactance
Device, installing plate, Intellectual computer processor, switch pedestal, overvoltage protector, shell are provided with display screen on the shell, described
Thermovent is provided with below display screen, live wire is set below the thermovent, the enclosure is provided with the installing plate,
Connecting plate is provided on the installing plate, the overvoltage protector is provided on the connecting plate, is set on the overvoltage protector
It is equipped with and hits stick, described hit is provided with stent below stick, and described hit is provided with voltage sensor on stick, the voltage sensor side
Limit signal switch is provided with, the limit signal switch lower section is provided with the switch pedestal, the overvoltage protector side
The high-voltage and current-limitation fuse is provided with, the connecting plate side is provided with the Intellectual computer processor, the Intellectual computer
Processor side is provided with radiator fan, and the voltage transformer, the voltage transformer are provided with beside the radiator fan
Side is provided with the earthing reactor.
In above structure, the voltage value in the voltage sensor measuring circuit passes to the display screen, convenient intuitive
Understanding circuit conditions, the signal that the Intellectual computer processor is fed back by the voltage sensor, control circuit operating, when
During overtension, the high-voltage and current-limitation fuse quickly disconnects so that the overvoltage protector and the mutual induction of voltage when short-circuit
The electrical equipments such as device are no longer impacted by short circuit peak, avoid the electrical equipment caused by several cycle heavy current impacts
Damage, when there is earth fault, the Intellectual computer processor controls the earthing reactor fast line selection ground connection, solves
Earth fault, the radiator fan discharge the hot gas that device is run from the thermovent, and the limit signal switch can
As circuit opens and closes, the overvoltage protector limits peak value, enables devices to normal operation for adjusting voltage.
In order to further improve a kind of use function of high-voltage and current-limitation fuse assembled protector, the shell with
The installing plate is connected by screw, and the shell is connected by screw with the display screen, and the thermovent is rectangular, described
Electric wire is connect with the housing nests.
In order to further improve a kind of use function of high-voltage and current-limitation fuse assembled protector, the intelligence is micro-
Machine processor is connected by screw with the installing plate, and the radiator fan is connected with the Intellectual computer processor by conducting wire
It connects, the radiator fan is connected by screw with the installing plate.
In order to further improve a kind of use function of high-voltage and current-limitation fuse assembled protector, the connecting plate
It is connected by screw with the installing plate, the connecting plate is connected by screw with the high-voltage and current-limitation fuse, the overvoltage
Protector is connected by screw with the connecting plate.
In order to further improve a kind of use function of high-voltage and current-limitation fuse assembled protector, the overvoltage is protected
Shield device is connected through a screw thread with the stick that hits, and the stick that hits is connected through a screw thread with the voltage sensor, the voltage sensor
Device is connect with the display screen by conducting wire, and the voltage sensor is connect with the Intellectual computer processor by conducting wire.
In order to further improve a kind of use function of high-voltage and current-limitation fuse assembled protector, it is described hit stick with
The stent nested encryptions, with the installing plate by being welded to connect, the stick that hits switchs the stent with the limit signal
Nested encryptions, the switch pedestal are connected by screw with limit signal switch.
In order to further improve a kind of use function of high-voltage and current-limitation fuse assembled protector, the voltage is mutual
Sensor is connected by screw with the installing plate, and the earthing reactor is connected by screw with the installing plate, the voltage
Mutual inductor is connect with the Intellectual computer processor by conducting wire, and the voltage transformer passes through conducting wire with the earthing reactor
Connection.
The beneficial effects of the utility model are：The utility model finds short circuit in the loop, and high-voltage and current-limitation fuse is fast
Fast thawing breaks, and cuts off short circuit current immediately, and overvoltage protector can protect circuit to run well in overtension, can independently dissipate
Heat and ground connection, reach good protecting effect, display screen can show voltage and current information.
Description of the drawings
Fig. 1 is a kind of vertical view of high-voltage and current-limitation fuse assembled protector described in the utility model；
Fig. 2 is a kind of front view of high-voltage and current-limitation fuse assembled protector described in the utility model；
Fig. 3 is a kind of external view of high-voltage and current-limitation fuse assembled protector described in the utility model.
The reference numerals are as follows：
1st, high-voltage and current-limitation fuse；2nd, voltage transformer；3rd, earthing reactor；4th, installing plate；5th, voltage sensor；6th, it dissipates
Hot-air fan；7th, Intellectual computer processor；8th, connecting plate；9th, overvoltage protector；10th, stent；11st, stick is hit；12nd, limit signal is opened
It closes；13rd, switch pedestal；14th, shell；15th, display screen；16th, thermovent；17th, electric wire.
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 1 assembled protector of high-voltage and current-limitation fuse, including high-voltage and current-limitation fuse 1, electricity
Mutual inductor 2, earthing reactor 3, installing plate 4, Intellectual computer processor 7, switch pedestal 13, overvoltage protector 9, shell 14 are pressed,
Display screen 15 is provided on shell 14, for shell 14 for installation and protective device, display screen 15 is used for display data information, display
15 lower section of screen is provided with thermovent 16, and thermovent 16 is used for the hot gas that sheds, 16 lower section setting live wire 17 of thermovent, electric wire 17
In conduction, shell 14 is internally provided with installing plate 4, and installing plate 4 is used for erecting device, connecting plate 8 is provided on installing plate 4, even
Fishplate bar 8 is provided with overvoltage protector 9, overvoltage protection for connecting overvoltage protector 9 and high-voltage and current-limitation fuse 1 on connecting plate 8
Device 9 is used for pressure limiting, limits peak value, is provided on overvoltage protector 9 and hits stick 11, hits stick 11 and is used for conduction, hits 11 lower section of stick and sets
There is stent 10, stent 10 is used to support fixation and hits stick 11, hits and voltage sensor 5 is provided on stick 11, and voltage sensor 5 is used to supervise
Voltage is surveyed, 5 side of voltage sensor is provided with limit signal switch 12, and limit signal switch 12 limits for controlling limit signal
Signaling switch 12 lower section in position is provided with switch pedestal 13, and switch pedestal 13 switchs for installing, and 9 side of overvoltage protector is provided with
High-voltage and current-limitation fuse 1, high-voltage and current-limitation fuse 1 prevent that bigger is damaged for fast cut-off circuit, and 8 side of connecting plate is set
Intellectual computer processor 7 is equipped with, Intellectual computer processor 7 runs for control circuit, and 7 side of Intellectual computer processor is provided with
Radiator fan 6, for radiator fan 6 for radiating, 6 side of radiator fan is provided with voltage transformer 2, voltage transformer 2 be used for every
From instrument and circuit, signal, unified voltage specification are transmitted, 2 side of voltage transformer is provided with earthing reactor 3, earthing reactance
Device 3 is grounded for fast line selection.
In above structure, the voltage value in 5 measuring circuit of voltage sensor passes to display screen 15, facilitates intuitive
Circuit conditions, the signal that Intellectual computer processor 7 is fed back by voltage sensor 5 are solved, overtension is worked as in control circuit operating
When, high-voltage and current-limitation fuse 1 quickly disconnects so that when short-circuit overvoltage protector 9 and 2 grade electrical equipments of voltage transformer no longer by
The impact of short circuit peak avoids the damage of the electrical equipment caused by several cycle heavy current impacts, when being grounded
During failure, Intellectual computer processor 7 controls 3 fast line selection of earthing reactor ground connection, solves earth fault, and radiator fan 6 will
The hot gas of device operation is discharged from thermovent 16, and limit signal switch 12 can be opened and closed with circuit, overvoltage protector 9
For adjusting voltage, peak value is limited, enables devices to normal operation.
In order to further improve a kind of use function of 1 assembled protector of high-voltage and current-limitation fuse, shell 14 and installation
Plate 4 is connected by screw, and shell 14 is connected by screw with display screen 15, and thermovent 16 is rectangular, and electric wire 17 and shell 14 are embedding
Set connection, Intellectual computer processor 7 are connected by screw with installing plate 4, and radiator fan 6 is with Intellectual computer processor 7 by leading
Line connects, and radiator fan 6 is connected by screw with installing plate 4, and connecting plate 8 is connected by screw with installing plate 4, connecting plate 8 and
High-voltage and current-limitation fuse 1 is connected by screw, and overvoltage protector 9 is connected by screw with connecting plate 8, and overvoltage protector 9 is with hitting
Stick 11 is connected through a screw thread, and is hit stick 11 and is connected through a screw thread with voltage sensor 5, voltage sensor 5 is with display screen 15 by leading
Line connects, and voltage sensor 5 is connect with Intellectual computer processor 7 by conducting wire, hits stick 11 and 10 nested encryptions of stent, stent 10
With installing plate 4 by being welded to connect, hit stick 11 and switch 12 nested encryptions with limit signal, switch pedestal 13 is switched with limit signal
12 are connected by screw, and voltage transformer 2 is connected by screw with installing plate 4, and earthing reactor 3 passes through screw with installing plate 4
Connection, voltage transformer 2 are connect with Intellectual computer processor 7 by conducting wire, and voltage transformer 2 is with earthing reactor 3 by leading
Line connects.
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 (7)
1. a kind of high-voltage and current-limitation fuse assembled protector, it is characterised in that：Including high-voltage and current-limitation fuse, mutual induction of voltage
Device, earthing reactor, installing plate, Intellectual computer processor, switch pedestal, overvoltage protector, shell are provided on the shell
Display screen, the display screen lower section are provided with thermovent, set live wire below the thermovent, the enclosure is provided with
The installing plate is provided with connecting plate on the installing plate, the overvoltage protector, the overvoltage is provided on the connecting plate
It is provided on protector and hits stick, described hit is provided with stent below stick, and described hit is provided with voltage sensor on stick, the voltage
Sensor side is provided with limit signal switch, and the limit signal switch lower section is provided with the switch pedestal, the overvoltage
Protector side is provided with the high-voltage and current-limitation fuse, and the connecting plate side is provided with the Intellectual computer processor, institute
It states Intellectual computer processor side and is provided with radiator fan, the voltage transformer is provided with beside the radiator fan, it is described
The earthing reactor is provided with beside voltage transformer.
2. a kind of high-voltage and current-limitation fuse assembled protector according to claim 1, it is characterised in that：The shell with
The installing plate is connected by screw, and the shell is connected by screw with the display screen, and the thermovent is rectangular, described
Electric wire is connect with the housing nests.
3. a kind of high-voltage and current-limitation fuse assembled protector according to claim 1, it is characterised in that：The intelligence is micro-
Machine processor is connected by screw with the installing plate, and the radiator fan is connected with the Intellectual computer processor by conducting wire
It connects, the radiator fan is connected by screw with the installing plate.
4. a kind of high-voltage and current-limitation fuse assembled protector according to claim 1, it is characterised in that：The connecting plate
It is connected by screw with the installing plate, the connecting plate is connected by screw with the high-voltage and current-limitation fuse, the overvoltage
Protector is connected by screw with the connecting plate.
5. a kind of high-voltage and current-limitation fuse assembled protector according to claim 1, it is characterised in that：The overvoltage is protected
Shield device is connected through a screw thread with the stick that hits, and the stick that hits is connected through a screw thread with the voltage sensor, the voltage sensor
Device is connect with the display screen by conducting wire, and the voltage sensor is connect with the Intellectual computer processor by conducting wire.
6. a kind of high-voltage and current-limitation fuse assembled protector according to claim 1, it is characterised in that：It is described hit stick with
The stent nested encryptions, with the installing plate by being welded to connect, the stick that hits switchs the stent with the limit signal
Nested encryptions, the switch pedestal are connected by screw with limit signal switch.
7. a kind of high-voltage and current-limitation fuse assembled protector according to claim 1, it is characterised in that：The voltage is mutual
Sensor is connected by screw with the installing plate, and the earthing reactor is connected by screw with the installing plate, the voltage
Mutual inductor is connect with the Intellectual computer processor by conducting wire, and the voltage transformer passes through conducting wire with the earthing reactor
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635184.4U CN207475176U (en) | 2017-11-30 | 2017-11-30 | A kind of high-voltage and current-limitation fuse assembled protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635184.4U CN207475176U (en) | 2017-11-30 | 2017-11-30 | A kind of high-voltage and current-limitation fuse assembled protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475176U true CN207475176U (en) | 2018-06-08 |
Family
ID=62260122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721635184.4U Expired - Fee Related CN207475176U (en) | 2017-11-30 | 2017-11-30 | A kind of high-voltage and current-limitation fuse assembled protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475176U (en) |
-
2017
- 2017-11-30 CN CN201721635184.4U patent/CN207475176U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180608 Termination date: 20191130 |