CN102118067A - Non-contact high-voltage power obtaining method - Google Patents
Non-contact high-voltage power obtaining method Download PDFInfo
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- CN102118067A CN102118067A CN2009102565759A CN200910256575A CN102118067A CN 102118067 A CN102118067 A CN 102118067A CN 2009102565759 A CN2009102565759 A CN 2009102565759A CN 200910256575 A CN200910256575 A CN 200910256575A CN 102118067 A CN102118067 A CN 102118067A
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Abstract
The invention discloses a non-contact high-voltage power obtaining method, which belongs to the field of monitoring or protecting equipment of high-voltage electric equipment. The method is characterized by comprising the following steps of: first, obtaining micro power by utilizing a high-voltage electric field generated around the high-voltage electric equipment; then, performing primary energy storage on the micro power; next, performing application energy storage after the primary energy storage reaches a certain voltage value by controlling a voltage; and finally, supplying power to an electrical appliance by using the application energy storage serving as a power supply. In the method, energy conservation and environment friendliness are achieved; continuous power supply to the electric appliance can be realized without influence caused by a short-circuit current or a requirement on a line current; and required power can be provided by using a no-load transmission line.
Description
Technical field
The invention provides a kind of non-contact type high voltage electricity-fetching method, belong to the power supply field that is applied to high voltage electric equipment and high voltage substation monitoring or safeguard.
Background technology
At present, the scarer of high voltage overhead line or transformer, online detection or metering device, mainly by storage battery power supply, because accumulator electric-quantity is limited, need artificial live line working periodic replacement storage battery, the up duration that this has not only greatly reduced device has also increased live line working workload and potential personal safety hidden danger.For prolonging the up duration of these devices, just must increase the capacity of the energy, thereby cause the significantly increase of installation weight, limited the practical application of these devices.
For addressing this problem, the researcher has proposed the approach of the energy supplement of two kinds of overhead transmission lines or transformer again.First kind is to adopt solar power generation.But because solar energy is subjected to weather effect bigger, limited the expansion of on-line equipment function, be difficult to satisfy online demands of applications.Second kind is to utilize electric current mutual inductance principle, and the electric current by on the induction transmission pressure obtains power supply.The defective of this method is influenced greatly by line current.When circuit was short-circuited fault, the short circuit current that flows through transmission pressure burnt the rectifier power source of current sensing means in meeting, and when the line work electric current is too small, then can't work, and complex structure, and reliability is low.Because lack the online power supply of big capacity, high reliability, the application of overhead transmission line on-line equipment is greatly limited.
Chinese patent (patent No. ZL200810236732.5) discloses a kind of electricity-fetching method for high voltage overhead transmission line on-line monitoring device, it is characterized in that, with overhead transmission line and the earth as the first capacitor C1, near overhead transmission line, make up the second capacitor C2, by the partial pressure effects that exists between the first capacitor C1 and the second capacitor C2, induced electricity potential difference on the second capacitor C2 is powered to on-line equipment as power supply with this electrical potential difference.The deficiency that this kind method exists is that energy is too little, directly supply arrangement use, and the setting of passing through the second capacitor C2 is not suitable for large tracts of land popularization and use than difficult operation.
Summary of the invention
According to above deficiency of the prior art, the problem to be solved in the present invention is: provide a kind of easy to use, the continual and steady non-contact type high voltage electricity-fetching method of powering.
The technical solution adopted for the present invention to solve the technical problems is: the non-contact type high voltage electricity-fetching method is characterized in that: may further comprise the steps:
At first, utilize the high voltage electric field that produces around the high voltage electric equipment to obtain little power supply;
Secondly, little power supply is carried out elementary energy storage;
Then, by voltage control, use energy storage after making elementary energy storage reach certain voltage value;
At last, using energy storage powers to electrical appliance as power supply.
Wherein preferred version is:
The high voltage induction pole plate is set in the high voltage electric field of high voltage electric equipment, and the low-voltage that the high voltage induction pole plate is obtained by connecting a ground capacity, produces little electric current, and this ground capacity is carried out elementary energy storage.High voltage electric equipment can be ultra-high-tension power transmission line, high-tension transformer, high-voltage switch gear etc.
Voltage control adopts the circuit that comprises controllable silicon, impedance and trigger tube, the impedance and the trigger tube that connect series connection between silicon controlled trigger end and the positive pole, the anodal element that connects elementary energy storage of silicon controlled, the silicon controlled negative pole connects the element of using energy storage, the trigger voltage of trigger tube is 12V-400V, and trigger tube can be unidirectional trigger tube and two-way trigger tube.When the voltage of elementary energy storage reaches this maximum voltage, the discharge of the element of elementary energy storage; When the voltage of elementary energy storage did not reach this maximum voltage, the element of elementary energy storage continued energy storage.When the application energy storage is powered to electrical appliance as power supply, carry out voltage stabilizing processing and Filtering Processing, supply with electrical appliance then and use.
The element of the element of elementary energy storage and application energy storage can adopt electric capacity, storage battery or both combinations.
Its principle is: utilize the high voltage electric field that produces around the high voltage electric equipment, need not under the situation of electric current, adopt speciality hemisphere face form height pressure sensitivity to answer pole plate, be contained near the high voltage electric equipment, by high-voltage alternating electric field or high-voltage dc inductive energy, through rectification or directly to the capacitance intelligent cycle charge-discharge.
The high voltage electric equipment that relates among the present invention, controllable silicon conducting or be common prior art by, rectification, filtering, the technical staff is grasped by the industry.
The beneficial effect that non-contact type high voltage electricity-fetching method of the present invention is had is: obtain little power supply by utilizing the high voltage electric field that produces around the high voltage electric equipment, to carrying out elementary energy storage behind little power rectifier, by voltage control, use energy storage after making elementary energy storage reach certain voltage value; At last, use energy storage and power to electrical appliance, make and use later high voltage overhead line or the electrical appliances such as the scarer of transformer station, online detection or metering device of the present invention, have following remarkable advantage as power supply:
1, this method can onlinely be got and can also be charge in batteries, need not change storage battery;
2, compare with solar cell, this method is not influenced by weather and latitude, can both reliably power under various weather conditions;
3, with based on the online electricity-fetching method of electric current mutual inductance principle compare, this method is utilized the voltage power taking of high voltage electric equipment, is not subjected to the influence of short circuit current, and to the line current no requirement (NR), unloaded electric equipment also can provide required power supply;
4, since the voltage basic fixed of high voltage electric equipment near rated voltage, it is little that this method is influenced by system operation mode and short trouble;
5, to adopt electric capacity be again a kind of non-polluting energy sources to energy-storage travelling wave tube, can charge repeatedly repeatedly, and than charge in batteries several times often, the life-span can reach 60 years.
In addition, adopt the environmental protection of induction energy fetching technical energy saving.
Description of drawings
Fig. 1 is the functional-block diagram of embodiments of the invention 1;
Fig. 2 is the circuit theory diagrams of embodiments of the invention 1;
Fig. 3 is the functional-block diagram of embodiments of the invention 2.
Wherein: R1-R3, resistance C1, C2, electric capacity D1, two-way trigger tube B1, rectifier bridge Q1, controllable silicon E1, high voltage induction pole plate.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further:
Embodiment 1:
As shown in Figure 1, the high voltage induction pole plate is set in the high-voltage electromagnetic field of high voltage electric equipment, the low-voltage that the high voltage induction pole plate is obtained by connecting a ground capacity, produces little electric current, and this ground capacity is carried out elementary energy storage.
Voltage control adopts the circuit that comprises controllable silicon, impedance and trigger tube, the impedance and the trigger tube that connect series connection between silicon controlled trigger end and the positive pole, the anodal element that connects elementary energy storage of silicon controlled, the silicon controlled negative pole connects the element of using energy storage, and the trigger voltage of trigger tube is 12V-400V.When the voltage of elementary energy storage reaches this maximum voltage, the discharge of the element of elementary energy storage; When the voltage of elementary energy storage did not reach this maximum voltage, the element of elementary energy storage continued energy storage.When the application energy storage is powered to electrical appliance as power supply, carry out voltage stabilizing processing and Filtering Processing, supply with electrical appliance then and use.
The element of the element of elementary energy storage and application energy storage can adopt electric capacity, storage battery or both combinations.Obtain the size of energy according to induction energy fetching, the element of elementary energy storage and the element of using energy storage can be regulated according to varying environment and time requirement, to adapt to different electrical equipment requirements;
As shown in Figure 2, the high voltage induction energy fetching circuit comprises high voltage induction pole plate E1, rectifier bridge B1, capacitor C 1, C2 and resistance R 1-R3, high voltage induction pole plate E1 is by piezo-resistance R1 ground connection, the two ends of piezo-resistance R1 connect the input of rectifier bridge B1 respectively, and the output of rectifier bridge B1 connects the capacitor C 1 and the capacitor C 2 of two parallel connections.The voltage control circuit of being made up of controllable silicon Q1, two-way trigger tube D1 (adopting DB3) and resistance R 4 is set between capacitor C 1 in parallel and the capacitor C 2.Between capacitor C 1 and the capacitor C 2 resistance R 3 can also be set.When the effect of piezo-resistance R1 has been thunderbolt, protection pole plate and subsequent conditioning circuit.
Obtain the size of energy according to induction energy fetching, the ratio of capacitor C 1 and capacitor C 2 can be regulated according to varying environment and time requirement, to adapt to different electrical equipment requirements;
Operation principle and use:
Electric equipment is in charged state and under the situation of no current flows (for example equipment does not turn round, transmission line charging and not during transmission of power), still has electric field to exist around the equipment conductor.And it is big more the closer to lead electric field strength.
High voltage induction pole plate E1 obtains ac induction voltage from high-tension line, after rectifier bridge B1 rectification, energy storage capacitor C1 is charged, because of inductive energy less, the charging current of obtaining is very little, so capacitor C 1 is just carried out the effect of energy storage, in order to prevent that the subsequent applications circuit to capacitor C 1 discharge, adding a controllable silicon Q1 and isolating between capacitor C 1 and subsequent conditioning circuit, when capacitance voltage is lower than setting voltage value, not conducting of controllable silicon Q1.When the voltage of capacitor C 1 rises to set point, trigger controllable silicon Q1 conducting, give capacitor C 2 chargings, capacitor C 2 is supplied with electrical appliance and is used as driving power at this moment.
Embodiment 2:
As shown in Figure 3, the high voltage induction pole plate is set in the high-voltage electromagnetic field of high direct voltage line, produces little electric current, this weak current does not need to carry out rectification, and directly carries out elementary energy storage, supplies with by voltage control and uses the energy storage storage.
The transmission of electricity of the high-voltage line that relates among the present invention, controllable silicon conducting or be common prior art by, rectification, filtering, the technical staff is grasped by the industry.
Claims (6)
1. non-contact type high voltage electricity-fetching method is characterized in that: may further comprise the steps:
At first, utilize the high voltage electric field that produces around the high voltage electric equipment to obtain little power supply;
Secondly, little power supply is carried out elementary energy storage;
Then, by voltage control, use energy storage after making elementary energy storage reach certain voltage value;
At last, using energy storage powers to electrical appliance as power supply.
2. non-contact type high voltage electricity-fetching method according to claim 1, it is characterized in that: the described high voltage electric field that produces around the high voltage electric equipment that utilizes is obtained little power supply, be meant the high voltage induction pole plate is set in the high voltage electric field of high voltage electric equipment, the low-voltage that the high voltage induction pole plate is obtained, by connecting a ground capacity, produce little electric current, this ground capacity is carried out elementary energy storage.
3. non-contact type high voltage electricity-fetching method according to claim 1 is characterized in that: described voltage control is meant the maximum voltage that limits elementary energy storage, when the voltage of elementary energy storage reaches this maximum voltage, and the discharge of the element of elementary energy storage; When the voltage of elementary energy storage did not reach this maximum voltage, the element of elementary energy storage continued energy storage.
4. non-contact type high voltage electricity-fetching method according to claim 3, it is characterized in that: described voltage control adopts the circuit that comprises controllable silicon, impedance and trigger tube, the impedance and the trigger tube that connect series connection between silicon controlled trigger end and the positive pole, the anodal element that connects elementary energy storage of silicon controlled, the silicon controlled negative pole connects the element of using energy storage, and the trigger voltage of trigger tube is 12V-400V.
5. non-contact type high voltage electricity-fetching method according to claim 1 is characterized in that: when described application energy storage is powered to electrical appliance as power supply, carry out voltage stabilizing processing and Filtering Processing, supply with electrical appliance then and use.
6. non-contact type high voltage electricity-fetching method according to claim 1 is characterized in that: described little power supply carries out carrying out elementary energy storage after the rectification.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427280A (en) * | 2011-10-13 | 2012-04-25 | 华中科技大学 | Power supply suitable for medium-high voltage transmission lines |
| CN102522831A (en) * | 2011-12-08 | 2012-06-27 | 辽宁省电力有限公司沈阳超高压分公司 | Non-contact electric field type induction power access method and power access apparatus thereof |
| CN103746467A (en) * | 2014-01-28 | 2014-04-23 | 成都赛康信息技术有限责任公司 | Electric field coupling-based inductive energy-obtaining device and implementation method thereof |
| CN105119326A (en) * | 2015-09-22 | 2015-12-02 | 国家电网公司 | Electric field overhead line wireless energy-obtaining apparatus |
| CN107147327A (en) * | 2017-06-22 | 2017-09-08 | 国网新疆电力公司电力科学研究院 | Induction type power transmission line electricity taking device |
| CN107240935A (en) * | 2016-03-28 | 2017-10-10 | 珠海多监测科技有限公司 | A kind of electricity getting device and the sensor with the electricity getting device |
| CN107546859A (en) * | 2017-09-12 | 2018-01-05 | 深圳市特力康科技有限公司 | The device that the online electric microfield of electric line can be collected |
| CN108271299A (en) * | 2016-12-30 | 2018-07-10 | 欧普照明股份有限公司 | A kind of single live wire power getting device and single firewire switch |
| CN108683273A (en) * | 2018-06-04 | 2018-10-19 | 武汉中岩科技股份有限公司 | A kind of electromagnetic wave conversion power supply module |
| CN112636440A (en) * | 2020-12-09 | 2021-04-09 | 国网四川省电力公司检修公司 | Non-contact power taking device for ultra-high voltage transmission line and mounting method |
-
2009
- 2009-12-30 CN CN2009102565759A patent/CN102118067B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427280A (en) * | 2011-10-13 | 2012-04-25 | 华中科技大学 | Power supply suitable for medium-high voltage transmission lines |
| CN102522831A (en) * | 2011-12-08 | 2012-06-27 | 辽宁省电力有限公司沈阳超高压分公司 | Non-contact electric field type induction power access method and power access apparatus thereof |
| CN103746467A (en) * | 2014-01-28 | 2014-04-23 | 成都赛康信息技术有限责任公司 | Electric field coupling-based inductive energy-obtaining device and implementation method thereof |
| CN103746467B (en) * | 2014-01-28 | 2015-10-28 | 成都赛康信息技术有限责任公司 | Based on induction energy fetching device and its implementation of field coupled |
| CN105119326A (en) * | 2015-09-22 | 2015-12-02 | 国家电网公司 | Electric field overhead line wireless energy-obtaining apparatus |
| CN105119326B (en) * | 2015-09-22 | 2017-11-21 | 国家电网公司 | Electric field overhead transmission line is wireless energy taking device |
| CN107240935A (en) * | 2016-03-28 | 2017-10-10 | 珠海多监测科技有限公司 | A kind of electricity getting device and the sensor with the electricity getting device |
| CN108271299A (en) * | 2016-12-30 | 2018-07-10 | 欧普照明股份有限公司 | A kind of single live wire power getting device and single firewire switch |
| CN107147327A (en) * | 2017-06-22 | 2017-09-08 | 国网新疆电力公司电力科学研究院 | Induction type power transmission line electricity taking device |
| CN107546859A (en) * | 2017-09-12 | 2018-01-05 | 深圳市特力康科技有限公司 | The device that the online electric microfield of electric line can be collected |
| CN108683273A (en) * | 2018-06-04 | 2018-10-19 | 武汉中岩科技股份有限公司 | A kind of electromagnetic wave conversion power supply module |
| CN112636440A (en) * | 2020-12-09 | 2021-04-09 | 国网四川省电力公司检修公司 | Non-contact power taking device for ultra-high voltage transmission line and mounting method |
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| CN102118067B (en) | 2013-03-20 |
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Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER CORPORATION Effective date: 20130802 Owner name: ZIBO POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POW Free format text: FORMER OWNER: ZIBO WANMING ELECTRIC CO., LTD. Effective date: 20130802 |
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Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: STATE GRID ZIBO POWER SUPPLY COMPANY OF SHANDONG PROVINCE Patentee after: ZIBO WANMING ELECTRIC Co.,Ltd. Address before: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee before: State Grid Corporation of China Patentee before: Zibo Power Supply Company of Shandong Electric Power Corp. Patentee before: ZIBO WANMING ELECTRIC Co.,Ltd. |
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Effective date of registration: 20130802 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Zibo Power Supply Company of Shandong Electric Power Corp. Patentee after: ZIBO WANMING ELECTRIC Co.,Ltd. Address before: 255000 No. 61 West Village Road, Zhangdian District, Shandong, Zibo Patentee before: Zibo Power Supply Company of Shandong Electric Power Corp. Patentee before: ZIBO WANMING ELECTRIC Co.,Ltd. |