CN209728091U - A kind of cable-type short circuit grounding fault detector - Google Patents
A kind of cable-type short circuit grounding fault detector Download PDFInfo
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- CN209728091U CN209728091U CN201920177386.1U CN201920177386U CN209728091U CN 209728091 U CN209728091 U CN 209728091U CN 201920177386 U CN201920177386 U CN 201920177386U CN 209728091 U CN209728091 U CN 209728091U
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- indicator light
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Abstract
The utility model discloses a kind of cable-type short circuit grounding fault detectors, including dodge gate, shell and hinge, there are four indicator lights for the frontal left upper end fixed installation of the dodge gate, and first three indicator light is short-circuit signal indicator light, the latter is ground signalling indicator light, when short-circuit sensor detects that short circuit occurs for electric current or cable of the electric current beyond setting, short-circuit signal is transferred to processor by optical fiber by short-circuit sensor, processor is after collector collects alarm, under the action of driver, short-circuit signal indicator light sounds an alarm, when ground fault occurs for cable, earth-fault signal is transmitted to processor by optical fiber by grounding sensor, processor is after collector collects alarm, under the action of driver, ground signalling indicator light sounds an alarm, the device can more accurately and efficiently go to search event Barrier, saves a large amount of manpower and material resources.
Description
Technical field
The utility model relates to circuit monitoring field, specially a kind of cable-type short circuit grounding fault detector.
Background technique
The science and technology and economy in China are all rapidly being developed, small to laundry of cooking, and arrive aerospace etc., each row greatly
Each industry not may exit off electricity equally, and the development of high speed also can rapidly increase the demand of electric power, and many places are due to needing
Electric energy too many and cause power supply station to carry out excess load power supply to this area, excess load power supply will cause many serious consequences,
Such as cable short circuit, cause somewhere that fire occurs due to overheat, sometimes because circuit ground work is to carry out perfect, In
When meeting with heavy rain lightning stroke, it will cause the large area damage of cable, so that bulk zone can have a power failure, not only repair trouble,
And the work and production efficiency of this area can be reduced.
Utility model content
The purpose of this utility model is to provide a kind of cable-type short circuit grounding fault detectors, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: a kind of cable-type short circuit grounding indicating fault
Device, including dodge gate, shell and hinge, there are four indicator lights for the frontal left upper end fixed installation of the dodge gate, and first three
A indicator light is short-circuit signal indicator light, and the latter is ground signalling indicator light, and the frontal left lower end of the dodge gate is fixed
Low-voltage indicator light is installed, the positive right side of face lower end of the dodge gate is movably installed with reset test button, the dodge gate
Right side intermediate active fixinig plate is installed, connected among the right side of the dodge gate by the frontal left activity of hinge and shell
It connects, locking plate is fixedly installed among the positive right side of face of the shell, the inner wall bottom end of the shell is movably installed with power supply, described
Two side external surfaces of shell offer uniform exhaust outlet, and exhaust outlet is to open up obliquely, solid among the inner wall of the shell
Dingan County is equipped with partition, is fixedly installed with device box among the upper surface of the partition, is movably installed with logic in described device box
Judgement and control circuit, the upper surface two sides of the partition are fixedly installed with oblique baffle, the two sides and top of described device box
Penetrating air hole is all offered, and is fixedly installed with filter in each air hole, the back side upper end appearance of the shell
Left side of face offers short-circuiting optical fiber interface, and the right side opening of the short-circuiting optical fiber interface is equipped with ground connection optical fiber interface, the shell
Connecting terminal is fixedly installed on the right side of the outer surface of back side upper end.
Preferably, three, the left side of connecting terminal terminal is remote reset contact, and three, right side terminal is failure letter
Number dry contact.
Preferably, the power supply is lithium battery, and the minimum 2.5V of operating voltage of power supply.
Preferably, what is installed in the described device box is logic judgment and control circuit board, and power supply and logic judgment
And control circuit board is attached.
Preferably, the logic judgment and control circuit board include processor, voltage detector, signal picker, driving
Device and reset test device, the processor are separately connected signal picker, driver and reset test device, the signal picker
It is connect respectively with grounding sensor, short-circuit sensor and voltage detector, the driver is connected with connecting terminal and refers to signal
Show that lamp, the reset test device are connected with reset test button.
Preferably, hole corresponding with locking plate is offered on the fixinig plate.
Compared with prior art, the utility model has the beneficial effects that the power supply is lithium battery, and the work of power supply is electric
Minimum 2.5V is pressed, the service life that lithium battery is not used only is long, and lithium battery interior is more more stable than other batteries, safer, lithium
When the voltage of battery is lower than 2.5V, low-voltage signal is passed to by low-voltage indicator light, low-voltage instruction by the effect of processor
Lamp will flash, to replace to the lithium battery；
When dodge gate turns on shell, hole corresponding with locking plate is offered on fixinig plate, can by lock come
Fixed dodge gate and shell, guarantee the leakproofness of the device；Exhaust outlet is only provided with the left and right sides of partition upper end, and two sides are arranged
Port is all fixedly installed with oblique baffle, and exhaust outlet, which is not arranged in lower end, prevents power supply that can be soaked with rain, the exhaust outlet of top
In opening up obliquely, when raining, exhaust outlet obliquely can not only be discharged internal work hot gas, but also prevent rainwater into
Enter inside, when rainwater enters in shell, rainwater is discharged by exhaust outlet by oblique baffle, guarantees device in device box not
It can be soaked by rainwater.
Detailed description of the invention
Fig. 1 is the utility model structure sectional view.
Fig. 2 is the utility model structure movement door exterior surface figure.
Fig. 3 is the utility model structure housing back view.
Fig. 4 is the utility model structure operating system figure.
In figure: 1 dodge gate, 2 ground signalling indicator lights, 3 short-circuit signal indicator lights, 4 low-voltage indicator lights, 5 reset tests
Button, 6 shells, 7 fixinig plates, 8 hinges, 9 oblique baffles, 10 device boxes, 11 exhaust outlets, 12 locking plates, 13 partitions, 14 power supplys, 15
Filter, 16 short-circuiting optical fiber interfaces, 17 ground connection optical fiber interfaces, 18 remote reset contacts, 19 connecting terminals, 20 fault-signal stem graftings
Point.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: a kind of cable-type short circuit grounding fault detector,
Including dodge gate 1, shell 6 and hinge 8, there are four indicator lights for the frontal left upper end fixed installation of dodge gate 1, and first three refers to
Show that lamp is short-circuit signal indicator light 3, the latter is ground signalling indicator light 2, can be determined in the panel region by indicator light
Cable facilitates staff to repair in time either with or without there is short circuit or problem with grounding, under the frontal left of dodge gate 1
End is fixedly installed with low-voltage indicator light 4, and the positive right side of face lower end of dodge gate 1 is movably installed with reset test button 5, works as failure
When indicator sounds an alarm, alarm is closed by pressing reset test button 5, staff can also be by pressing reset test
Button 5 determines whether the alarm is wrong report, reduces the investigation time of staff, working efficiency is improved, when the dodge gate 1
Right side intermediate active is equipped with fixinig plate 7, is connected among the right side of dodge gate 1 by the frontal left activity of hinge 8 and shell 6
It connects, is fixedly installed with locking plate 12 among the positive right side of face of shell 6, when dodge gate 1 turns on shell 6, opened up on fixinig plate 7
There is hole corresponding with locking plate 12, dodge gate 1 and shell 6 can be fixed by locking, guarantees the leakproofness of the device, shell
The inner wall bottom end of body 6 is movably installed with power supply 14, and power supply 14 is lithium battery, and the minimum 2.5V of operating voltage of power supply 14, lithium
The service life that battery is not used only is long, and lithium battery interior is more more stable than other batteries, and safer, the voltage of lithium battery is lower than
When 2.5V, low-voltage signal is passed to by low-voltage indicator light 4 by the effect of processor, low-voltage indicator light 4 will flash, from
And the lithium battery is replaced, two side external surfaces of shell 6 offer uniform exhaust outlet 11, and exhaust outlet 11 is obliquely
It opens up, partition 13 is fixedly installed among the inner wall of shell 6, device box 10, institute are fixedly installed among the upper surface of partition 13
It states and is movably installed with logic judgment and control circuit in device box 10, the upper surface two sides of partition 13 are fixedly installed with oblique baffle
9, exhaust outlet 11 is only provided with the left and right sides of 13 upper end of partition, and two side exhaust outlets 11 are all fixedly installed with oblique baffle 9, row
Port 11, which is not arranged in lower end, prevents power supply 14 that can be soaked with rain, and the exhaust outlet 11 of top is in open up obliquely, when raining,
Exhaust outlet 11 obliquely can not only be discharged internal work hot gas, but also prevent rainwater enter inside, when rainwater enter
In shell 6, rainwater is discharged by exhaust outlet 11 by oblique baffle 9, guarantees that the device in device box 10 will not be soaked by rainwater
Wet, the two sides and top of device box 10 all offer penetrating air hole, and are fixedly installed with filter in each air hole
15, the heat that equipment in device box 10 issues is distributed, and filter 15 prevents dust from entering in the device box 10,
Prevent operation element inside device box 10 to be infected with dust and reduce element using the time and lower the working efficiency of element,
Short-circuiting optical fiber interface 16 is offered on the left of the back side upper end outer surface of shell 6, the right side opening of short-circuiting optical fiber interface 16 is equipped with ground connection
Optical fiber interface 17, short-circuiting optical fiber interface 16 are connect by optical fiber with short-circuit signal sensor, and ground connection optical fiber interface 17 passes through optical fiber
It is connect with ground signalling sensor, is fixedly installed with connecting terminal 19, connecting terminal 19 on the right side of the back side upper end outer surface of shell 6
Three, left side terminal be remote reset contact 18, three, right side terminal be fault-signal dry contact 20, former contact damage or
When person needs replacing, extra terminal can help staff quickly to be replaced, and the remote reset contact 18 will answer
The terminal that position signal is sent by processor, to complete remotely to reset fault detector, when fault detector misses
When alarm, the fault-signal is always maintained at by fault-signal dry contact 20, until this fault-signal has been processed into
Until, principle is simple, facilitates operation.
In use, short circuit passes when short-circuit sensor detects that short circuit occurs for electric current or cable of the electric current beyond setting
Short-circuit signal is transferred to processor by optical fiber by sensor, and processor is after collector collects alarm, in the work of driver
Under, short-circuit signal indicator light 3 is sounded an alarm；
When ground fault occurs for cable, earth-fault signal is transmitted to processor by optical fiber by grounding sensor, processing
Device is after collector collects alarm, and under the action of driver, ground signalling indicator light 2 is sounded an alarm.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of cable-type short circuit grounding fault detector, including dodge gate (1), shell (6) and hinge (8), it is characterised in that:
There are four indicator lights for the frontal left upper end fixed installation of the dodge gate (1), and first three indicator light is short-circuit signal instruction
Lamp (3), the latter are ground signalling indicator light (2), and the frontal left lower end of the dodge gate (1) is fixedly installed with low-voltage and refers to
Show lamp (4), the positive right side of face lower end of the dodge gate (1) is movably installed with reset test button (5), the dodge gate (1)
Right side intermediate active is equipped with fixinig plate (7), passes through the front of hinge (8) and shell (6) among the right side of the dodge gate (1)
Left side is flexibly connected, and is fixedly installed with locking plate (12) among the positive right side of face of the shell (6), the inner wall bottom of the shell (6)
End is movably installed with power supply (14), and two side external surfaces of the shell (6) offer uniform exhaust outlet (11), and exhaust outlet
(11) it to open up obliquely, is fixedly installed with partition (13) among the inner wall of the shell (6), the upper surface of the partition (13)
Centre is fixedly installed with device box (10), is movably installed with logic judgment and control circuit in described device box (10), it is described every
The upper surface two sides of plate (13) are fixedly installed with oblique baffle (9), and the two sides and top of described device box (10) all offer logical
Saturating air hole, and filter (15) are fixedly installed in each air hole, the back side upper end outer surface of the shell (6) is left
Side offers short-circuiting optical fiber interface (16), and the right side opening of the short-circuiting optical fiber interface (16) is equipped with ground connection optical fiber interface (17), institute
It states and is fixedly installed with connecting terminal (19) on the right side of the back side upper end outer surface of shell (6).
2. a kind of cable-type short circuit grounding fault detector according to claim 1, it is characterised in that: the connecting terminal
(19) three, left side terminal is remote reset contact (18), and three, right side terminal is fault-signal dry contact (20).
3. a kind of cable-type short circuit grounding fault detector according to claim 1, it is characterised in that: the power supply (14)
For lithium battery, and the minimum 2.5V of operating voltage of power supply (14).
4. a kind of cable-type short circuit grounding fault detector according to claim 1, it is characterised in that: described device box
(10) what is installed in is logic judgment and control circuit board, and power supply (14) is attached with logic judgment and control circuit board.
5. a kind of cable-type short circuit grounding fault detector according to claim 1, it is characterised in that: the logic judgment
And control circuit board includes processor, voltage detector, signal picker, driver and reset test device, the processor point
Other connection signal collector, driver and reset test device, the signal picker respectively with grounding sensor, short-circuit sensor
It is connected with voltage detector, the driver is connected with connecting terminal (19) and indicator light, and the reset test device is connected with multiple
Bit test button (5).
6. a kind of cable-type short circuit grounding fault detector according to claim 1, it is characterised in that: the fixinig plate
(7) hole corresponding with locking plate (12) is offered on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177386.1U CN209728091U (en) | 2019-01-31 | 2019-01-31 | A kind of cable-type short circuit grounding fault detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920177386.1U CN209728091U (en) | 2019-01-31 | 2019-01-31 | A kind of cable-type short circuit grounding fault detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209728091U true CN209728091U (en) | 2019-12-03 |
Family
ID=68682365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920177386.1U Active CN209728091U (en) | 2019-01-31 | 2019-01-31 | A kind of cable-type short circuit grounding fault detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209728091U (en) |
-
2019
- 2019-01-31 CN CN201920177386.1U patent/CN209728091U/en active Active
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