CN204228817U - Novel looped network cabinet is powered source point measuring apparatus mutually - Google Patents
Novel looped network cabinet is powered source point measuring apparatus mutually Download PDFInfo
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- CN204228817U CN204228817U CN201420785127.4U CN201420785127U CN204228817U CN 204228817 U CN204228817 U CN 204228817U CN 201420785127 U CN201420785127 U CN 201420785127U CN 204228817 U CN204228817 U CN 204228817U
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- electric energy
- energy meter
- measuring apparatus
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- voltage sensor
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- 230000003750 conditioning effect Effects 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000007726 management method Methods 0.000 claims description 24
- 238000004891 communication Methods 0.000 claims description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 230000001939 inductive effect Effects 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 6
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 238000013500 data storage Methods 0.000 claims description 3
- 210000000352 storage cell Anatomy 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000002457 bidirectional effect Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of Novel looped network cabinet to power mutually source point measuring apparatus, to be arranged in ring main unit and to remote station wire management background computer transmission information, comprise capacitance type potential transformer and open type current transformer, described capacitance type potential transformer is connected with signal conditioning circuit and voltage sensor, described open type current transformer is connected with current sensor, the signal output part of described voltage sensor and described current sensor is connected with network-type electric energy meter, the signal output part of described network-type electric energy meter is corresponding with remote station wire management background computer to be connected, also comprise output terminal and be electrically connected described voltage sensor, the uninterrupted DC power source unit of described current sensor and described network-type electric energy meter.The utility model has little, the advantage such as the installment and debugging time is shorter that takes up room, and does not need excavated pavement, for the metering of platform line, line loss examination provide supported data comparatively accurately, improves marketing lean management level.
Description
Technical field
The utility model relates to the metering of a kind of electrical network, particularly relates to a kind of net cabinet and to power mutually source point measuring apparatus.
Background technology
The line metering of reinforcement platform and line loss examination are the important channels that realization marketing lean manages, and accurately analyze platform line and examine, and just point must be supplied mutually to realize bidirectional measuring at ring main unit power supply.But for a long time, ring main unit does not just consider the space of metering units relating to the installation initial period, in cabinet, bus and the charged movable part of high-voltage switch gear are often sealed in SF6 gas tank, and cable seal is in cable accessory.According to the mode expanding metering switching cabinet and transformation high-tension cable outside cabinet, renovation technique difficulty is quite large, and needs the cooperation energetically of planning and construction of the city department of government, and every cost is very high.Therefore, in the urgent need to providing a kind of connecting inner narrow space, the ring main unit of save trouble and labor is powered the measuring apparatus of source point mutually.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of compact, easy for installation, realizes the bidirectional measuring to looped network critical point, for the metering of platform line, line loss examination provide the Novel looped network cabinet of supported data comparatively accurately to power mutually source point measuring apparatus.
For solving the problems of the technologies described above, the technical solution of the utility model is: Novel looped network cabinet is powered source point measuring apparatus mutually, to be arranged in ring main unit and to remote station wire management background computer transmission information, comprise capacitance type potential transformer and open type current transformer, described capacitance type potential transformer is connected with signal conditioning circuit, described signal conditioning circuit is connected with voltage sensor, described open type current transformer is connected with current sensor, the signal output part of described voltage sensor and described current sensor is connected with network-type electric energy meter, the signal output part of described network-type electric energy meter is corresponding with remote station wire management background computer to be connected, also comprise uninterrupted DC power source unit, the output terminal of described uninterrupted DC power source unit is electrically connected described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.
As preferred technical scheme, the version of described voltage sensor is designed to the mating part of precast type cable accessory, and all insulation is packaged in the plug after cable accessory.
As the improvement to technique scheme, the version of described current sensor is designed to the mating part of precast type cable accessory, and all insulation is packaged in the plug after cable accessory.
As the further improvement to technique scheme, described network-type electric energy meter comprises RS485 interface, the input end of described RS485 interface and be connected with RS485 communication data line between described voltage sensor and described current sensor, the output terminal of described RS485 interface is connected with arm processor, the output terminal of described arm processor is connected with data storage cell and data display unit, and the output terminal of described arm processor is also connected with wireless communication module.
As the further improvement to technique scheme, described wireless communication module is the wireless communication module based on GPRS.
As improving especially further technique scheme, described uninterrupted DC power source unit comprises the current-inducing power supply with the mutual inductance of ring main unit high voltage line current, described current-inducing power supply is connected with AC/DC converter, described AC/DC converter is connected with battery charging management module, also comprise solar panel, described solar panel is connected with DC/DC converter, described DC/DC converter connects described battery charging management module, described battery charging management model calling has lithium battery, described lithium battery is connected with battery Voltage stabilizing module, described AC/DC converter, described DC/DC converter and described battery Voltage stabilizing module are connected with power supply source automatic switching module, the DC output end of described power supply source automatic switching module connects described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.
Owing to have employed technique scheme, Novel looped network cabinet is powered source point measuring apparatus mutually, to be arranged in ring main unit and to remote station wire management background computer transmission information, comprise capacitance type potential transformer and open type current transformer, described capacitance type potential transformer is connected with signal conditioning circuit, described signal conditioning circuit is connected with voltage sensor, described open type current transformer is connected with current sensor, the signal output part of described voltage sensor and described current sensor is connected with network-type electric energy meter, the signal output part of described network-type electric energy meter is corresponding with remote station wire management background computer to be connected, also comprise uninterrupted DC power source unit, the output terminal of described uninterrupted DC power source unit is electrically connected described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.The secondary current that described voltage sensor gathers the secondary voltage of described capacitance type potential transformer, described current sensor gathers described open type current transformer, the voltage and current signal collected is transferred to described network-type electric energy meter, then by described network-type electric energy meter, the voltage and current signal collected is transferred to remote station wire management background computer.The utility model has little, the advantage such as the installment and debugging time is shorter that takes up room, do not need excavated pavement, save a large amount of Reconstruction in field workload, possesses uninterrupted power source support, on the basis not destroying original ring main unit closure, insulativity, realize the bidirectional measuring to looped network critical point, Real-time Collection information is also uploaded to remote station wire management background computer, for the metering of platform line, line loss examination provide supported data comparatively accurately, facilitate staff to carry out examining computation to related data, improve marketing lean management level.
Accompanying drawing explanation
The following drawings is only intended to schematically illustrate the utility model and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structure principle chart of the uninterrupted DC power source unit of the utility model embodiment.
Embodiment
Below in conjunction with drawings and Examples, set forth the utility model further.In the following detailed description, the mode only by illustrating describes some one exemplary embodiment of the present utility model.Undoubtedly, those of ordinary skill in the art can recognize, when not departing from spirit and scope of the present utility model, can revise by various different mode to described embodiment.Therefore, accompanying drawing is illustrative with being described in essence, instead of for limiting the protection domain of claim.
As shown in Figure 1, Novel looped network cabinet is powered source point measuring apparatus mutually, to be arranged in ring main unit and to remote station wire management background computer transmission information, comprise capacitance type potential transformer and open type current transformer, described capacitance type potential transformer is connected with signal conditioning circuit, described signal conditioning circuit is connected with voltage sensor, described open type current transformer is connected with current sensor, the signal output part of described voltage sensor and described current sensor is connected with network-type electric energy meter, the signal output part of described network-type electric energy meter is corresponding with remote station wire management background computer to be connected, also comprise uninterrupted DC power source unit, the output terminal of described uninterrupted DC power source unit is electrically connected described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.The secondary current that described voltage sensor gathers the secondary voltage of described capacitance type potential transformer, described current sensor gathers described open type current transformer, the voltage and current signal collected is transferred to described network-type electric energy meter, then by described network-type electric energy meter, the voltage and current signal collected is transferred to remote station wire management background computer.The present embodiment has little, the advantage such as the installment and debugging time is shorter that takes up room, do not need excavated pavement, save a large amount of Reconstruction in field workload, possesses uninterrupted power source support, on the basis not destroying original ring main unit closure, insulativity, realize the bidirectional measuring to looped network critical point, Real-time Collection information is also uploaded to remote station wire management background computer, for the metering of platform line, line loss examination provide supported data comparatively accurately, facilitate staff to carry out examining computation to related data, improve marketing lean management level.
The version of described voltage sensor is designed to the mating part of precast type cable accessory, and all insulation is packaged in the plug after cable accessory, and said structure can directly coordinate with the front connector of cable accessory or rear joint.
The version of described current sensor is designed to the mating part of precast type cable accessory, and all insulation is packaged in the plug after cable accessory, and said structure can directly coordinate with the front connector of cable accessory or rear joint.
Described network-type electric energy meter comprises RS485 interface, the input end of described RS485 interface and be connected with RS485 communication data line between described voltage sensor and described current sensor, the output terminal of described RS485 interface is connected with arm processor, the output terminal of described arm processor is connected with data storage cell and data display unit, the output terminal of described arm processor is also connected with wireless communication module, and described wireless communication module is the wireless communication module based on GPRS.Described voltage sensor gathers the secondary voltage of described capacitance type potential transformer, described current sensor gathers the secondary current of described open type current transformer, the voltage and current signal collected is transferred to described arm processor by described RS485 communication data line and described RS485 interface, ensure the stability of closely information transmission, can be stored by the process of described arm processor, the operations such as display, by described wireless communication module, the electric current and voltage information wireless collected can be transferred to remote station wire management background computer simultaneously, achieve information long-distance transmissions.
As shown in Figure 2, described uninterrupted DC power source unit comprises the current-inducing power supply with the mutual inductance of ring main unit high voltage line current, described current-inducing power supply is connected with AC/DC converter, described AC/DC converter is connected with battery charging management module, also comprise solar panel, described solar panel is connected with DC/DC converter, described DC/DC converter connects described battery charging management module, described battery charging management model calling has lithium battery, described lithium battery is connected with battery Voltage stabilizing module, described AC/DC converter, described DC/DC converter and described battery Voltage stabilizing module are connected with power supply source automatic switching module, the DC output end of described power supply source automatic switching module connects described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.Lithium battery described in said structure and described solar panel are as supporting power supply, when the ring main unit high-tension line that described current-inducing power supply is responded to does not have working current, described lithium battery and described solar panel still can provide sufficient working power for described voltage sensor, described current sensor and described network-type electric energy meter, possess uninterrupted power source support.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. Novel looped network cabinet is powered source point measuring apparatus mutually, to be arranged in ring main unit and to remote station wire management background computer transmission information, comprise capacitance type potential transformer and open type current transformer, it is characterized in that: described capacitance type potential transformer is connected with signal conditioning circuit, described signal conditioning circuit is connected with voltage sensor, described open type current transformer is connected with current sensor, the signal output part of described voltage sensor and described current sensor is connected with network-type electric energy meter, the signal output part of described network-type electric energy meter is corresponding with remote station wire management background computer to be connected, also comprise uninterrupted DC power source unit, the output terminal of described uninterrupted DC power source unit is electrically connected described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.
2. Novel looped network cabinet as claimed in claim 1 is powered source point measuring apparatus mutually, it is characterized in that: the version of described voltage sensor is designed to the mating part of precast type cable accessory, and all insulation is packaged in the plug after cable accessory.
3. Novel looped network cabinet as claimed in claim 1 is powered source point measuring apparatus mutually, it is characterized in that: the version of described current sensor is designed to the mating part of precast type cable accessory, and all insulation is packaged in the plug after cable accessory.
4. Novel looped network cabinet as claimed in claim 1 is powered source point measuring apparatus mutually, it is characterized in that: described network-type electric energy meter comprises RS485 interface, the input end of described RS485 interface and be connected with RS485 communication data line between described voltage sensor and described current sensor, the output terminal of described RS485 interface is connected with arm processor, the output terminal of described arm processor is connected with data storage cell and data display unit, and the output terminal of described arm processor is also connected with wireless communication module.
5. Novel looped network cabinet as claimed in claim 4 is powered source point measuring apparatus mutually, it is characterized in that: described wireless communication module is the wireless communication module based on GPRS.
6. the Novel looped network cabinet as described in claim as arbitrary in claim 1 to 5 is powered source point measuring apparatus mutually, it is characterized in that: described uninterrupted DC power source unit comprises the current-inducing power supply with the mutual inductance of ring main unit high voltage line current, described current-inducing power supply is connected with AC/DC converter, described AC/DC converter is connected with battery charging management module, also comprise solar panel, described solar panel is connected with DC/DC converter, described DC/DC converter connects described battery charging management module, described battery charging management model calling has lithium battery, described lithium battery is connected with battery Voltage stabilizing module, described AC/DC converter, described DC/DC converter and described battery Voltage stabilizing module are connected with power supply source automatic switching module, the DC output end of described power supply source automatic switching module connects described voltage sensor, the power supply end of described current sensor and described network-type electric energy meter.
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CN201420785127.4U CN204228817U (en) | 2014-12-11 | 2014-12-11 | Novel looped network cabinet is powered source point measuring apparatus mutually |
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CN201420785127.4U CN204228817U (en) | 2014-12-11 | 2014-12-11 | Novel looped network cabinet is powered source point measuring apparatus mutually |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104880604A (en) * | 2015-06-12 | 2015-09-02 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter supply circuit and electric energy meter employing same |
CN106546784A (en) * | 2015-09-18 | 2017-03-29 | 侯飞 | A kind of cable accessory constructs the plug-in unit and method of high-voltage electric energy meter |
CN108089046A (en) * | 2017-10-30 | 2018-05-29 | 国网山东省电力公司临朐县供电公司 | Bidirectional measuring data acquisition device under looped network pattern |
CN111458114A (en) * | 2019-12-31 | 2020-07-28 | 国网上海市电力公司 | A on-spot debugging device that is used for SF6 gas combination electrical apparatus host computer |
CN111525886A (en) * | 2020-04-29 | 2020-08-11 | 上海虑信电力科技有限公司 | Communication collection processing controller |
-
2014
- 2014-12-11 CN CN201420785127.4U patent/CN204228817U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104880604A (en) * | 2015-06-12 | 2015-09-02 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter supply circuit and electric energy meter employing same |
CN104880604B (en) * | 2015-06-12 | 2017-10-10 | 浙江正泰仪器仪表有限责任公司 | Electric energy meter power supply circuit and the electric energy meter using the circuit |
CN106546784A (en) * | 2015-09-18 | 2017-03-29 | 侯飞 | A kind of cable accessory constructs the plug-in unit and method of high-voltage electric energy meter |
CN108089046A (en) * | 2017-10-30 | 2018-05-29 | 国网山东省电力公司临朐县供电公司 | Bidirectional measuring data acquisition device under looped network pattern |
CN111458114A (en) * | 2019-12-31 | 2020-07-28 | 国网上海市电力公司 | A on-spot debugging device that is used for SF6 gas combination electrical apparatus host computer |
CN111525886A (en) * | 2020-04-29 | 2020-08-11 | 上海虑信电力科技有限公司 | Communication collection processing controller |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20151211 |
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