CN207368470U - It is a kind of that there is the switchgear of arc protection - Google Patents
It is a kind of that there is the switchgear of arc protection Download PDFInfo
- Publication number
- CN207368470U CN207368470U CN201721502441.7U CN201721502441U CN207368470U CN 207368470 U CN207368470 U CN 207368470U CN 201721502441 U CN201721502441 U CN 201721502441U CN 207368470 U CN207368470 U CN 207368470U
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- cabinet
- arc
- switchgear
- photosensor
- master controller
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Abstract
There is the switchgear of arc protection the utility model discloses a kind of.The switchgear includes cabinet and retractable cabinet door, wherein, arc protection mechanism is equipped with cabinet.The arc protection mechanism includes the components such as master controller, alarm, display, breaker and several arc photosensors.And an arc photosensor is arranged in each rest area of cabinet, beneficial to the accurate detection realized to each position in switchgear, when some circuit malfunctions in switchgear, light intensity strengthens suddenly, arc photosensor converts optical signal into electric signal and sends master controller to, when signal exceedes the threshold value of setting, main controller controls breaker works, and stops being powered for faulty circuit.The utility model has relative to traditional switchgear arc protection mode and improves arc fault protection speed, so that the advantages that greatly enhancing the reliability and security of middle-low voltage switch cabinet.
Description
Technical field
A kind of switchgear is the utility model is related to, it is more particularly to a kind of that there is the switchgear of arc protection.
Background technology
Arclight is the short circuit between electrical body and ground or between electrical body by ionized gas (air).High-energy
Arclight failure show as electrically exploding.They release substantial amounts of energy, show as radiation, hot, strong light and high pressure wave
Form, larger injury can be caused to power equipment and construction personnel, therefore needs to be protected using arc protection instrument.
As the demand of commercial power and residential electricity consumption is constantly strengthened, net capacity is constantly lifted, mesolow substation
Quantity is continuously increased, and the relay protection of switchgear is important all the more in substation.Traditional relay protection equipment is in face of arc light event
It during barrier, can only often take passive type to protect, fault loop is disconnected by slow breaker to be protected, protection effect
Fruit is very limited, and the personal safety to power equipment and operation maintenance personnel causes serious threat.
Utility model content
The purpose of this utility model is that proposition is a kind of to have the function of the switchgear of arc protection, to improve arc fault guarantor
Speed is protected, so as to greatly enhance the reliability and security of middle-low voltage switch cabinet.
The utility model to achieve these goals, adopts the following technical scheme that：
It is a kind of that there is the switchgear of arc protection, including cabinet and retractable cabinet door, the switchgear further include
Arc protection mechanism；Cabinet door is installed at the front openings of cabinet；The head cover of cabinet is retractable, and one end of head cover is hinged on cabinet
In certain one side wall, the other end of head cover is connected by plastics screw with another opposing sidewalls of cabinet；Heat emission hole is equipped with head cover,
Several strip ventilation holes are offered on the bottom wall of cabinet；Several lateral partitions and longitudinal baffle are equipped with cabinet,
It will be divided into several rest areas in cabinet by above-mentioned lateral partitions and longitudinal baffle；Lateral partitions and longitudinal baffle are to carry
The partition plate of mesh；Arc protection mechanism includes master controller, alarm, display, breaker and several arc photosensors；
Wherein, alarm, display, breaker and arc photosensor are connected with master controller respectively by signal cable；Master controller
It is installed on the lateral wall of cabinet door；An arc photosensor stent is equipped with each rest area, is pacified on arc photosensor stent
Equipped with arc photosensor；A temperature sensor being connected with master controller is also placed in each rest area.
Preferably, arc photosensor branch is corresponded on the rear wall of the cabinet and is provided with multiple mounting holes；
Arc photosensor stent is L-shaped, and one end of arc photosensor stent is equipped with mounting hole and is installed to cabinet by bolt
On the rear wall of body, arc photosensor is installed on the other end of arc photosensor stent.
The utility model has the following advantages that：
The utility model is equipped with arc protection mechanism in switchgear, wherein the arc protection mechanism includes main control
Device, alarm, display, breaker and several arc photosensors etc..And one is arranged in each rest area of cabinet
Arc photosensor, beneficial to the accurate detection realized to each position in switchgear, when some circuit malfunctions in switchgear
Light intensity strengthens suddenly, and arc photosensor converts optical signal into electric signal and sends master controller to, when signal exceedes the threshold of setting
During value, the work of main controller controls breaker, stops being powered for faulty circuit.The utility model is relative to traditional arc protection
Mode, has and improves arc fault protection speed, so that the advantages that greatly enhancing the reliability and security of middle-low voltage switch cabinet.
Brief description of the drawings
Fig. 1 is a kind of structure diagram with the switchgear of arc protection in the utility model；
Fig. 2 is the structure diagram of arc protection mechanism in the utility model；
Fig. 3 is the structure diagram of arc photosensor stent in the utility model；
Wherein, 1- cabinets, 2- cabinet doors, 3- head covers, 4- left side walls, 5- right side walls, 6- heat emission holes, 7- ventilation holes, 8- are horizontal
Partition plate, 9- longitudinal baffles, 10- rest areas, 11- master controllers, 12- alarms；
13- displays, 14- breakers, 15- arc photosensors, 16- arc photosensor stents, 17- temperature sensors.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is described in further detail the utility model：
It is a kind of that there is the switchgear of arc protection, including cabinet 1 and retractable cabinet door 2 with reference to shown in Fig. 1.
Cabinet door 2 is installed at the front openings of cabinet 1.The head cover 3 of cabinet 1 is retractable, specifically：
One end of head cover 3 is hinged in cabinet one side wall, which is, for example, the left side wall 4 of cabinet 1, head cover 3 it is another
One end is connected by plastics screw with another opposing sidewalls of cabinet, which is, for example, the right side wall 5 of cabinet.
Heat emission hole 6 is equipped with head cover 3, several strip ventilation holes 7 are offered on the bottom wall of cabinet.
Several lateral partitions and longitudinal baffle, such as lateral partitions 8 and longitudinal baffle 9 are equipped with cabinet 2.
Several rest areas, such as rest area 10 will be divided into by above-mentioned lateral partitions 8 and longitudinal baffle 9 in cabinet 2, used
In placement electric component；Lateral partitions 8 and longitudinal baffle 9 are with meshed partition plate.
By the setting of heat emission hole 6 and the grade component of ventilation hole 7, sound ventilation environment in cabinet 1 can be kept.
In addition, the switchgear in the utility model further includes arc protection mechanism, its structure is as follows：
If as shown in Fig. 2, arc protection mechanism include master controller 11, alarm 12, display 13, breaker 14 and
Dry arc photosensor 15.Wherein：
Alarm 12, display 13, breaker 14 and arc photosensor 15 by signal cable respectively with master controller phase
Even.
Master controller 11 is installed on the lateral wall of cabinet door 2, and the master controller is such as can use microcontroller.
An arc photosensor stent 16 is equipped with each rest area 10, arc light is installed on arc photosensor stent 16
Sensor 15；A temperature sensor being connected with master controller 17 is also placed in each rest area 10.
Temperature sensor 17 can realize the temperature detection in switchgear, avoid switch in-cabinet temperature excessive.And when switch
When temperature in cabinet reaches given threshold, signal is sent to master controller 11, alarm signal is sent by the control of master controller 11.
Arc photosensor branch is corresponded on the rear wall of cabinet and is provided with multiple mounting holes.
As shown in figure 3, arc photosensor stent 16 is L-shaped, one end of arc photosensor stent 16 is equipped with mounting hole and leads to
Cross bolt to be installed on the rear wall of cabinet, the other end of arc photosensor stent 16 is provided with arc photosensor.
Above-mentioned curved sensor stent 16 is simple in structure, can conveniently realize the fixation of arc photosensor 15.
Certainly, the preferred embodiment of only the utility model described above, the utility model is not limited to enumerate above-mentioned
Embodiment, it should be noted that for any those skilled in the art under the teaching of this specification, that is made is all etc.
With replacement, obvious variant, all fall within the essential scope of this specification, ought to be protected be subject to the utility model.
Claims (2)
1. a kind of have the function of the switchgear of arc protection, including cabinet and retractable cabinet door, it is characterised in that the switch
Cabinet further includes arc protection mechanism；Cabinet door is installed at the front openings of cabinet；The head cover of cabinet is retractable, one end hinge of head cover
It is connected in cabinet one side wall, the other end of head cover is connected by plastics screw with another opposing sidewalls of cabinet；Set on head cover
There is heat emission hole, several strip ventilation holes are offered on the bottom wall of cabinet；In cabinet be equipped with several lateral partitions and
Longitudinal baffle, will be divided into several rest areas by above-mentioned lateral partitions and longitudinal baffle in cabinet；Lateral partitions and longitudinal direction every
Plate is with meshed partition plate；Arc protection mechanism include master controller, alarm, display, breaker and several
Arc photosensor；Wherein, alarm, display, breaker and arc photosensor by signal cable respectively with master controller phase
Even；Master controller is installed on the lateral wall of cabinet door；An arc photosensor stent is equipped with each rest area, in arc light sensor
Arc photosensor is installed on device stent；A temperature sensor being connected with master controller is also placed in each rest area.
A kind of there is the switchgear of arc protection 2. according to claim 1, it is characterised in that after the cabinet
Arc photosensor branch is corresponded on side wall and is provided with multiple mounting holes；Arc photosensor stent is L-shaped, and the one of arc photosensor stent
End is installed to the rear wall of cabinet on equipped with mounting hole and by bolt, and the other end is provided with arc photosensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721502441.7U CN207368470U (en) | 2017-11-13 | 2017-11-13 | It is a kind of that there is the switchgear of arc protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721502441.7U CN207368470U (en) | 2017-11-13 | 2017-11-13 | It is a kind of that there is the switchgear of arc protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207368470U true CN207368470U (en) | 2018-05-15 |
Family
ID=62343988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721502441.7U Active CN207368470U (en) | 2017-11-13 | 2017-11-13 | It is a kind of that there is the switchgear of arc protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207368470U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085471A (en) * | 2018-08-03 | 2018-12-25 | 南京南瑞继保电气有限公司 | A kind of electric arc optical sensor unit |
| CN110707559A (en) * | 2019-10-30 | 2020-01-17 | 黎兴文 | Short-circuit protection type electric power and electrical switch cabinet |
-
2017
- 2017-11-13 CN CN201721502441.7U patent/CN207368470U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085471A (en) * | 2018-08-03 | 2018-12-25 | 南京南瑞继保电气有限公司 | A kind of electric arc optical sensor unit |
| CN110707559A (en) * | 2019-10-30 | 2020-01-17 | 黎兴文 | Short-circuit protection type electric power and electrical switch cabinet |
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