CN220043057U - Low-voltage power-off alarm - Google Patents
Low-voltage power-off alarm Download PDFInfo
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- CN220043057U CN220043057U CN202320494935.4U CN202320494935U CN220043057U CN 220043057 U CN220043057 U CN 220043057U CN 202320494935 U CN202320494935 U CN 202320494935U CN 220043057 U CN220043057 U CN 220043057U
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- protection relay
- cloud alarm
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- 238000000819 phase cycle Methods 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a low-voltage power failure alarm which comprises a phase failure and phase sequence protection relay, an outdoor cloud alarm circuit and three connecting wires corresponding to a live wire at the output end of a transformer, wherein one end of each connecting wire is connected with an input terminal of the phase failure and phase sequence protection relay, the other end of each connecting wire is connected with the live wire at the output end of the transformer, and an output terminal of the phase failure and phase sequence protection relay is connected with the outdoor cloud alarm circuit to control the power supply of the outdoor cloud alarm circuit to be started or stopped. According to the utility model, when the live wire at the output end of any transformer is disconnected or the high-voltage phase is lost, the phase-interruption and phase-sequence protection relay is changed from normally open to normally closed, and then the outdoor cloud alarm module of the outdoor cloud alarm circuit is powered on, so that after the outdoor cloud alarm module is powered on, a WeChat, a short message and a telephone prompt can be quickly sent to a platform manager, the platform circuit is informed of power failure, the power failure condition needs to be immediately ascertained and timely processed, the purpose of quickly repairing the power transmission of power supply personnel is realized, and the power failure time is reduced.
Description
Technical Field
The utility model relates to the field of power transmission, in particular to a low-voltage power-off alarm capable of remotely and automatically alarming.
Background
At present, all transformers are integrated into a distribution box, and three-in-one leakage protection switches are installed.
However, the three-in-one leakage protection switch has no power failure alarm function, when the power supply line output of the transformer 0.4KV is in a tripping power failure due to faults such as phase failure, leakage and short circuit caused by various reasons, if a user does not timely contact a power supply unit to report and repair, the power supply unit is difficult to know the power failure and repair in time, and the power failure time is further prolonged. Therefore, a power failure alarm for timely alarming a power supply unit after a power failure is important.
Disclosure of Invention
The utility model aims to provide a low-voltage power-off alarm capable of remotely and automatically alarming.
In order to achieve the above purpose, the utility model discloses a low-voltage power failure alarm, which comprises a phase failure and phase sequence protection relay, an outdoor cloud alarm circuit and three connecting wires corresponding to the live wires of the output end of a transformer, wherein one end of each connecting wire is connected with the input terminal of the phase failure and phase sequence protection relay, the other end of each connecting wire is connected with the live wires of the output end of the transformer, and the output terminal of the phase failure and phase sequence protection relay is connected with the outdoor cloud alarm circuit to control the power supply of the outdoor cloud alarm circuit to be turned on or off.
Further, the outdoor cloud alarm circuit comprises an outdoor cloud alarm module, the power supply is a battery or an external power supply, and a pair of normally open contacts of a phase-failure and phase-sequence protection relay are connected in series in a power supply loop communicated with the power supply of the outdoor cloud alarm module.
Further, the battery is a rechargeable battery, the alternating current input end of the charger is connected with the zero line and any fire wire of the output end of the transformer, and the direct current output end of the charger is connected with the positive electrode and the negative electrode of the battery.
Further, the outdoor cloud alarm device further comprises a box body, and the phase failure and phase sequence protection relay, the outdoor cloud alarm module and the battery are all arranged in the box body.
Further, a charging hole is formed in the box body, and the direct current output end of the charger is correspondingly inserted into the positive electrode and the negative electrode of the charging hole.
Further, the communication unit of the outdoor cloud alarm module is a GSM\GPRS wireless communication module.
Compared with the prior art, the utility model has the advantages that:
according to the utility model, when the live wire at the output end of any transformer is broken or high-voltage phase is lost, the phase-loss and phase-sequence protection relay is changed from normal open to normal closed, and then the outdoor cloud alarm module of the outdoor cloud alarm circuit is powered on, so that after the outdoor cloud alarm module is powered on, a WeChat, a short message and a telephone prompt are sent to a platform manager within 3-5 seconds, the platform manager is informed of power failure of the line and needs to find out the power failure condition immediately and process the power failure condition in time, real-time accurate early warning transmission of the power failure condition of the 0.4KV line of the transformer is realized, the purpose of quick restoration and power transmission of a power supply unit is realized, and the power failure time is reduced.
The utility model will be described in further detail with reference to the accompanying drawings.
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. In the drawings:
fig. 1 is a schematic diagram of a low voltage power down alarm disclosed in a preferred embodiment of the present utility model.
Legend description:
1. phase failure and phase sequence protection relay; 2. a transformer; 3. a connecting wire; 4. an outdoor cloud alarm module; 5. a battery; 6. a charger; 7. a case body; 71. a charging hole; 8. and (5) integrating a distribution box.
Detailed Description
Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.
As shown in fig. 1, the utility model discloses a low-voltage power failure alarm, which comprises a phase failure and phase sequence protection relay 1, an outdoor cloud alarm circuit and three connecting wires 3 which are in one-to-one correspondence with three live wires at the output end of a transformer 2, wherein one end of each connecting wire 3 is connected with an input terminal of the phase failure and phase sequence protection relay 1, the other end of each connecting wire is connected with the live wire at the output end of the transformer 2, and the output terminal of the phase failure and phase sequence protection relay 1 is connected with the outdoor cloud alarm circuit so as to control the power supply of the outdoor cloud alarm circuit to be started or stopped. The phase interruption and phase sequence protection relay 1 and the outdoor cloud alarm circuit are arranged in the box body 7, and three connecting wires 3 penetrate out from holes in the box body 7, so that a sealing waterproof design is adopted. In the embodiment, the model adopted by the open-phase and phase sequence protection relay 1 is Zhengtai XJ3-GAC380V, and the communication module of the outdoor cloud alarm module 4 adopts an Air202GSM/GPRS wireless communication module of Shenzhen Yilda electronic limited company. Therefore, when the live wire at the output end of any transformer 2 is powered off or is in phase failure, the phase failure and phase sequence protection relay 1 is changed from normally open to normally closed, and then the outdoor cloud alarm module 4 of the outdoor cloud alarm circuit is powered on, so that after the outdoor cloud alarm module 4 is powered on, a WeChat, a short message and a telephone prompt are sent to a platform manager within 3-5 seconds, the platform manager is informed of power failure of a circuit, the power failure condition needs to be immediately ascertained and treated in time, real-time accurate early warning transmission of the power failure condition of the 0.4KV circuit of the transformer is realized, the purpose of quick restoration and power transmission of power supply personnel is realized, and the power failure time is reduced.
In this embodiment, the outdoor cloud alarm circuit includes an outdoor cloud alarm module 4, the power supply is a battery 5 or an external power supply, and a pair of normally open contacts of a phase-failure and phase-sequence protection relay 1 are connected in series in a power supply loop where the outdoor cloud alarm module 4 is communicated with the battery 5 (see fig. 1, normally on state pins 7 and 8 are normally open, and off or phase-failure state pins 7 and 8 are normally closed). In order to ensure long-term electricity existence of the battery 5, the battery 5 is a rechargeable battery, the alternating current input end of the battery 6 is connected with the zero line and any live wire of the output end of the transformer 2, and the direct current output end of the battery 6 is connected with the positive electrode and the negative electrode of the battery 5, so that the battery 5 can be continuously charged, the outdoor alarm can be prolonged to work for a long time, and the problem of power supply replacement is avoided. In particular, battery 5 is a rechargeable 18650 type lithium battery, and the input of charger 6 is connected to a neutral line, 220V phase line, within integrated power distribution box 8. In this embodiment, the charging hole 71 is provided on the case 7, and the dc output end of the charger 6 is plugged with the positive and negative poles of the charging hole 71. The direct current output end is inserted with the positive electrode and the negative electrode of the charging hole 71 on the box body 7, and the plug and play is realized, so that the efficiency is high and the convenience is high.
The above description is only of the preferred embodiments 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.
Claims (6)
1. The utility model provides a low pressure stops electric alarm, its characterized in that includes a phase failure and phase sequence protection relay (1), an outdoor cloud alarm circuit and three connecting wire (3) that correspond with the live wire of transformer (2) output, one end of connecting wire (3) with the input terminal of phase failure and phase sequence protection relay (1) is connected, the other end set up to with the live wire of transformer (2) output is connected, the output terminal of phase failure and phase sequence protection relay (1) with outdoor cloud alarm circuit is connected in order to control to open or close outdoor cloud alarm circuit's power.
2. The low-voltage power-off alarm according to claim 1, wherein the outdoor cloud alarm circuit comprises an outdoor cloud alarm module (4), the power supply is a battery (5) or an external power supply, and a pair of normally open contacts of a phase-failure and phase-sequence protection relay (1) are connected in series in a power supply loop of the outdoor cloud alarm module (4) communicated with the power supply.
3. The low-voltage power-off alarm according to claim 2, further comprising a charger (6), wherein the battery (5) is a rechargeable battery, an ac input end of the charger (6) is connected with a zero line and any live line of an output end of the transformer (2), and a dc output end of the charger (6) is connected with an anode and a cathode of the battery (5).
4. The low-voltage power-off alarm according to claim 3, further comprising a box (7), wherein the phase-failure and phase-sequence protection relay (1), the outdoor cloud alarm module (4) and the battery (5) are all arranged in the box (7).
5. The low-voltage power-off alarm according to claim 4, wherein a charging hole (71) is formed in the box body (7), and the direct-current output end of the charger (6) is correspondingly plugged with the positive pole and the negative pole of the charging hole (71).
6. The low-voltage power failure alarm according to any of claims 2-5, characterized in that the communication unit of the outdoor cloud alarm module (4) is a GSMGPRS wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320494935.4U CN220043057U (en) | 2023-03-14 | 2023-03-14 | Low-voltage power-off alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320494935.4U CN220043057U (en) | 2023-03-14 | 2023-03-14 | Low-voltage power-off alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043057U true CN220043057U (en) | 2023-11-17 |
Family
ID=88732171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320494935.4U Active CN220043057U (en) | 2023-03-14 | 2023-03-14 | Low-voltage power-off alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043057U (en) |
-
2023
- 2023-03-14 CN CN202320494935.4U patent/CN220043057U/en active Active
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