CN220040589U - High-voltage electrified display device - Google Patents
High-voltage electrified display device Download PDFInfo
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- CN220040589U CN220040589U CN202321141026.9U CN202321141026U CN220040589U CN 220040589 U CN220040589 U CN 220040589U CN 202321141026 U CN202321141026 U CN 202321141026U CN 220040589 U CN220040589 U CN 220040589U
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- phase
- indicator lamp
- voltage
- display device
- looks
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract 2
- 239000000428 dust Substances 0.000 claims description 13
- 238000005253 cladding Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Abstract
The utility model relates to the technical field of high-voltage live working equipment of an electric network, in particular to a high-voltage live display device. Including casing and the front panel that can dismantle the connection, the fixed A that is equipped with on the front panel looks, B looks, C looks pilot lamp, A looks, B looks, C looks pilot lamp are connected with the high voltage live detection circuit electricity of each looks respectively, the pilot lamp both ends of each looks have connect in parallel switch and the reserve pilot lamp of corresponding looks respectively, through setting up redundant reserve pilot lamp, and switch through the switch of corresponding looks, can be under the circumstances that high voltage live display device only pilot lamp damaged, need not change high voltage live display device, the risk of changing high voltage live display device has also been eliminated in the time of reduce cost.
Description
Technical Field
The utility model relates to the technical field of high-voltage live working equipment of an electric network, in particular to a high-voltage live display device.
Background
High-voltage live display devices are extremely important devices for high-voltage operation, and reliability of the high-voltage live display devices is of great importance to operators.
At present, the electrified display equipment widely adopted in the power system is mature, and can monitor the electrified condition of equipment or power cables well, but because the electrified display equipment usually adopts indicator lamps and the like to send out electrified warning signals, and the high-voltage equipment or power cables often have overvoltage and harmonic overcurrent when current or voltage are unstable, the indicator lamps are extremely fragile, and the high-voltage electrified condition can not be reliably monitored when the indicator lamps are in fault, so that the electric power system has great potential safety hazards. In addition, when the existing live display equipment is damaged by the one-phase indicator lamp, the whole live display equipment is basically replaced and is subjected to a high-voltage dangerous environment on site, so that the replacement is time-consuming and labor-consuming, and has high danger, and meanwhile, the whole live display equipment is also wasted only because of the fault of the indicator lamp.
In view of the above, there is a need for a high-voltage live display device having higher reliability of live monitoring, which solves the above-mentioned problems.
Disclosure of Invention
In view of the above, the present utility model provides a high-voltage charged display device.
The utility model solves the problems existing in the prior art by adopting the technical scheme that:
the utility model provides a high-voltage electrified display device, which comprises a shell and a front panel which are detachably connected, wherein an A phase indicator lamp, a B phase indicator lamp and a C phase indicator lamp are fixedly arranged on the front panel, the A phase indicator lamp, the B phase indicator lamp and the C phase indicator lamp are respectively and electrically connected with high-voltage electrified detection circuits of all phases,
the two ends of the A-phase indicator lamp are connected with an A-phase switch and an A-phase standby indicator lamp in parallel;
the two ends of the B-phase indicator lamp are connected with a B-phase switch and a B-phase standby indicator lamp in parallel;
and the two ends of the C-phase indicating lamp are connected with a C-phase switch and a C-phase standby indicating lamp in parallel.
Preferably, dust shielding covers are fixedly arranged above the A phase indicator lamp, the B phase indicator lamp, the C phase indicator lamp, the A phase standby indicator lamp, the B phase standby indicator lamp and the C phase standby indicator lamp.
Preferably, the dust shielding cover is fixedly arranged on the front panel, and the dust shielding cover is positioned above each indicator lamp and is of a cladding structure for each indicator lamp.
Preferably, the high voltage live detection circuit includes:
the first end of the capacitive voltage divider is connected with the capacitive core of the high-voltage bus;
the first end of the reactance module is connected with the second end of the capacitive voltage divider, and the second end of the reactance module is grounded;
the two ends of the primary coil at the high voltage side of the isolation transformer are respectively connected with the first end of the capacitive voltage divider and the second end of the reactance module; a current limiting resistor and an indicator lamp are connected in series between two ends of a secondary coil at the low voltage side;
when the high-voltage live detection circuit is used for detecting an A-phase high-voltage bus, the indicator lamp is an A-phase indicator lamp;
when the high-voltage live detection circuit is used for detecting the B-phase high-voltage bus, the indicator lamp is a B-phase indicator lamp;
when the high-voltage live detection circuit is used for detecting the C-phase high-voltage bus, the indicator lamp is a C-phase indicator lamp.
Preferably, fastener accommodating cavities are formed in two sides of the high-voltage electrified display device shell, fasteners are detachably arranged in the fastener accommodating cavities, and the fasteners are used for fixing the shell on a cabinet door on which the high-voltage electrified display device is installed.
Preferably, the fastener comprises a clamping part and a connecting part which are fixedly connected, a threaded hole is formed in the connecting part, and a pressing piece is connected in the threaded hole in a threaded manner;
the compressing piece comprises a screw, a bearing plate and a force application end part, wherein the bearing plate and the force application end part are fixedly arranged at two ends of the screw.
Preferably, the clamping part and the connecting part are connected into an L-shaped structure, and the fastener accommodating cavity is of an L-shaped structure.
Preferably, a backing plate is sleeved outside the high-voltage electrified display device shell and between the front panel and the fastener, and an elastic gasket is sleeved outside the shell between the backing plate and the front panel.
Compared with the prior art, the utility model has the beneficial effects that:
1. redundant standby indicator lamps are arranged for the high-voltage live display device, and the high-voltage live display device is switched through corresponding switches, so that the high-voltage live display device does not need to be replaced under the condition that the high-voltage live display device is damaged only by the indicator lamps, and the risk of replacing the high-voltage live display device is eliminated while the cost is reduced.
2. The dust cover above the indicator lamp is designed, so that dust cannot be accumulated on the indicator lamp, and workers can observe the brightness and the color of the indicator lamp conveniently.
3. The pad has increased the area of being under force of cabinet door, when making the cabinet door be difficult to damage, also makes high voltage electrified display device installation more reliable and stable.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram showing the overall structure of a high voltage charged display device according to the present utility model,
figure 2 is a schematic view showing the internal structure of a fastener receiving cavity of the high voltage charged display device of the present utility model in figure 1,
figure 3 is an enlarged view of a portion of region a of figure 1,
figure 4 is a schematic view of the overall structure of a fastener for a high voltage charged display device of the present utility model shown in figure 1,
fig. 5 is a schematic diagram illustrating one-phase electrical principle connection of a high-voltage live display device according to the present utility model.
In the figure:
1. front panel, 2, shell, 3, A phase switch, 4, B phase switch, 5, C phase switch, 6, A phase indicator, 7, B phase indicator, 8, C phase indicator, 9, elastic pad, 10, backing plate, 11, fastener, 12, fastener holding cavity, 13, dust cover,
110. clamping part 111, connecting part 112, bearing plate 113, screw 114, force application end.
The specific embodiment is as follows:
the utility model will be further described with reference to the drawings and examples.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present disclosure. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, are merely relational terms determined for convenience in describing structural relationships of the various components or elements of the present disclosure, and do not denote any one of the components or elements of the present disclosure, and are not to be construed as limiting the present disclosure.
Referring to fig. 1 and 2, the high voltage live display device of the present utility model comprises a casing 2 and a front panel 1 which are detachably connected, wherein an a-phase indicator lamp 6, a B-phase indicator lamp 7 and a C-phase indicator lamp 8 are fixedly arranged on the front panel 1, wherein:
the two ends of the A-phase indicator lamp 6 are connected with an A-phase switch 3 and an A-phase standby indicator lamp in parallel;
the two ends of the B-phase indicator lamp 7 are connected with a B-phase switch 4 and a B-phase standby indicator lamp in parallel;
and two ends of the C-phase indicator lamp 8 are connected with a C-phase switch 5 and a C-phase standby indicator lamp in parallel.
The A-phase indicator lamp 6, the B-phase indicator lamp 7 and the C-phase indicator lamp 8 are respectively and electrically connected with high-voltage electrified detection circuits of all phases, and the high-voltage electrified detection circuits are arranged in the shell 2.
Considering that the live display device widely adopted in the current power system mainly extracts a certain voltage from the high-voltage live circuit to detect or control through the voltage extracting voltage Rong Xinbang, the high-voltage live detection circuit in this embodiment includes:
a capacitive voltage divider, namely C1 in fig. 4, the first end of which is connected with the capacitive core of the pumping capacitive core rod on the high-voltage bus side, namely C0 in fig. 4;
a reactance module, L in fig. 4, having a first end connected to the second end of the capacitive voltage divider C1 and a second end grounded;
the two ends of the primary coil at the high voltage side of the isolation transformer are respectively connected with the first end of the capacitive voltage divider C1 and the second end of the reactance module L; a current limiting resistor and an indicator lamp are connected in series between two ends of the secondary coil at the low voltage side, wherein the current limiting resistor is R in fig. 4, and the indicator lamp is L0 in fig. 4;
when the high-voltage live detection circuit is used for detecting an A-phase high-voltage bus, the indicator lamp L0 is an A-phase indicator lamp 6; when the high-voltage live detection circuit is used for detecting a B-phase high-voltage bus, the indicator lamp L0 is a B-phase indicator lamp 7; when the high-voltage live detection circuit is used for detecting the C-phase high-voltage bus, the indicator lamp is a C-phase indicator lamp 8.
In connection with the foregoing and also with fig. 1 and 4, when the indicator lamp L0 fails, the field staff only needs to press the switch K, that is: when the A-phase indicator lamp 6 is not on, the worker presses the A-phase switch 3; when the B-phase indicator lamp 7 is not on, a worker presses the B-phase switch 4, and when the C-phase indicator lamp 8 is not on, the worker presses the C-phase switch 5; the corresponding indicator light can be replaced.
It should be noted that, the indicator light L0 is bad to have two kinds of situations, one is that the indicator light L0 is short-circuited, and one is that the indicator light L0 is broken circuit, and when the indicator light L0 is broken circuit, the staff presses the switch of corresponding phase and can switch the indicator light, and the high-voltage electrified display device just can continue to use under the condition that does not have other trouble, need not to change. When the indicator light L0 is short-circuited, if the switch of the corresponding phase is pressed, the standby indicator light of the corresponding phase still cannot be lighted, and further maintenance is required by the staff at this time.
In practical application, when the high-voltage bus is obviously electrified or the indicator lamps L0 of other phases are all on, a worker can press a switch of a corresponding phase when finding that one phase of indicator lamp L0 is not on, if the standby indicator lamp L1 is on, the fact that the indicator lamp L0 of the phase is bad is proved, and the standby indicator lamp L1 can be continuously used without disassembling and replacing the high-voltage electrified display device; if the standby indicator lamp L1 is not on, the high-voltage bus is proved to be electroless or the high-voltage electrified display device is out of order, and further inspection is needed.
In some embodiments, referring to fig. 3, considering that dust is accumulated on each indicator lamp for a long time, the light is not obvious, dust shielding covers 13 are fixedly arranged above the a-phase indicator lamp 6, the B-phase indicator lamp 7, the C-phase indicator lamp 8, the a-phase standby indicator lamp, the B-phase standby indicator lamp and the C-phase standby indicator lamp, the dust shielding covers 13 are fixedly arranged on the front panel 1, and the dust shielding covers 13 are arranged above each indicator lamp and are in a cladding structure for each indicator lamp.
Referring to fig. 2, in this embodiment, two sides of the housing 2 of the high voltage live display device are provided with fastener accommodating cavities 12, fasteners 11 are detachably disposed in the fastener accommodating cavities 12, and the fasteners 11 are used for fixing the housing 2 on a cabinet door to which the housing is mounted. Referring to fig. 4, the fastener 11 includes a clamping portion 110 and a connecting portion 111 that are fixedly connected, a threaded hole is formed in the connecting portion 111, and a pressing member is screwed in the threaded hole; the pressing member includes a screw 113, a bearing plate 112 and a force application end 114 fixedly disposed at both ends of the screw 113. Preferably, the clamping portion 110 and the connecting portion 111 are connected in an L-shaped structure, and the fastener receiving cavity 12 is in an L-shaped structure.
In some embodiments, a backing plate 10 is sleeved outside the high-voltage live display device casing 2 between the front panel 1 and the fastener 11, and an elastic gasket 9 is sleeved outside the casing 2 between the backing plate 10 and the front panel 1. The purpose is when using, reduces the vibration between high voltage live display device and the cabinet door through elastic pad 9, prevents high voltage live display device damage, and another is through adding backing plate 10 between installation cabinet door and fastener 11, can effectually increase the pressurized surface of cabinet door, is favorable to high voltage live display device installation atress even, and is firm reliable.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
While the foregoing description of the embodiments of the present utility model has been presented in conjunction with the drawings, it should be understood that it is not intended to limit the scope of the utility model, but rather, it is intended to cover all modifications or variations within the scope of the utility model as defined by the claims of the present utility model.
Claims (8)
1. The utility model provides a high-voltage live display device, including casing (2) and front panel (1) that can dismantle the connection, fixed A looks pilot lamp (6), B looks pilot lamp (7), C looks pilot lamp (8) of being equipped with on front panel (1), A looks pilot lamp (6), B looks pilot lamp (7), C looks pilot lamp (8) are connected its characterized in that with the high-voltage live detection circuit electricity of each phase respectively:
both ends of the A-phase indicator lamp (6) are connected with an A-phase switch (3) and an A-phase standby indicator lamp in parallel;
two ends of the B-phase indicator lamp (7) are connected with a B-phase switch (4) and a B-phase standby indicator lamp in parallel;
and two ends of the C-phase indicator lamp (8) are connected with a C-phase switch (5) and a C-phase standby indicator lamp in parallel.
2. The high voltage charged display device according to claim 1, wherein:
the dust shielding cover (13) is fixedly arranged above the A-phase indicator lamp (6), the B-phase indicator lamp (7), the C-phase indicator lamp (8), the A-phase standby indicator lamp, the B-phase standby indicator lamp and the C-phase standby indicator lamp.
3. The high voltage charged display device according to claim 2, wherein:
the dust cover (13) is fixedly arranged on the front panel (1), and the dust cover (13) is positioned above each indicator lamp and is of a cladding structure for each indicator lamp.
4. A high voltage charged display device according to claim 3, wherein:
the high-voltage live detection circuit includes:
the first end of the capacitive voltage divider is connected with the capacitive core of the high-voltage bus;
the first end of the reactance module is connected with the second end of the capacitive voltage divider, and the second end of the reactance module is grounded;
the two ends of the primary coil at the high voltage side of the isolation transformer are respectively connected with the first end of the capacitive voltage divider and the second end of the reactance module; a current limiting resistor and an indicator lamp are connected in series between two ends of a secondary coil at the low voltage side;
when the high-voltage live detection circuit is used for detecting an A-phase high-voltage bus, the indicator lamp is an A-phase indicator lamp (6);
when the high-voltage live detection circuit is used for detecting a B-phase high-voltage bus, the indicator lamp is a B-phase indicator lamp (7);
when the high-voltage live detection circuit is used for detecting the C-phase high-voltage bus, the indicator lamp is a C-phase indicator lamp (8).
5. The high voltage charged display device according to claim 4, wherein:
fastener accommodating cavities (12) are formed in two sides of the high-voltage electrified display device shell (2), fasteners (11) are detachably arranged in the fastener accommodating cavities (12), and the fasteners (11) are used for fixing the shell (2) on a cabinet door installed by the high-voltage electrified display device shell.
6. The high voltage charged display device according to claim 5, wherein:
the fastener (11) comprises a clamping part (110) and a connecting part (111) which are fixedly connected, a threaded hole is formed in the connecting part (111), and a pressing piece is connected in the threaded hole in a threaded mode;
the compressing piece comprises a screw rod (113), a bearing plate (112) and a force application end part (114) which are fixedly arranged at two ends of the screw rod (113).
7. The high voltage charged display device according to claim 6, wherein:
the clamping part (110) and the connecting part (111) are connected into an L-shaped structure, and the fastener accommodating cavity (12) is of an L-shaped structure.
8. The high voltage charged display device according to claim 7, wherein:
a base plate (10) is sleeved outside the high-voltage electrified display device shell (2) and between the front panel (1) and the fastener (11), and an elastic gasket (9) is sleeved outside the shell (2) between the base plate (10) and the front panel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141026.9U CN220040589U (en) | 2023-05-12 | 2023-05-12 | High-voltage electrified display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321141026.9U CN220040589U (en) | 2023-05-12 | 2023-05-12 | High-voltage electrified display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220040589U true CN220040589U (en) | 2023-11-17 |
Family
ID=88733349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321141026.9U Active CN220040589U (en) | 2023-05-12 | 2023-05-12 | High-voltage electrified display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220040589U (en) |
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2023
- 2023-05-12 CN CN202321141026.9U patent/CN220040589U/en active Active
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