CN203660670U - Electric field micropower electricity-taking device and monitoring system in power cable and power transmission line - Google Patents
Electric field micropower electricity-taking device and monitoring system in power cable and power transmission line Download PDFInfo
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- CN203660670U CN203660670U CN201420035767.3U CN201420035767U CN203660670U CN 203660670 U CN203660670 U CN 203660670U CN 201420035767 U CN201420035767 U CN 201420035767U CN 203660670 U CN203660670 U CN 203660670U
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Abstract
The utility model provides an electric field micropower electricity-taking device and monitoring system in a power cable and a power transmission line. The electricity-taking device comprise an electrode plate, an electricity-taking controller, an impedance matching circuit and a capacitor array for supplying power to a back-stage circuit. The electrode plate is arranged in an alternating electric field formed by high voltage lines; the electricity-taking controller is connected to the high voltage lines and on the electrode plate; and the electricity-taking controller, the impedance matching circuit and the capacitor array are connected in series in sequence. The monitoring system comprises the electric field micropower electricity-taking device and a communicator which are located on site. The electric field micropower electricity-taking device and the monitoring system can solve the problem of difficult power supply of an on-line monitoring system of the power cable and the power transmission line; and the electric field micropower electricity-taking device and the monitoring system have the advantages of being simple in structure, easy to realize, and safe to take electricity and the like.
Description
Technical field
The utility model relates to power technology field, relates in particular to electric field micropower electricity getting device and monitoring system in a kind of power cable and transmission line.
Background technology
At present, national grid is being carried forward vigorously the construction of electrical equipment online supervision, for example the formulation of the standards and guidelines such as " converting equipment on-line monitoring system technology guide rule ", " converting equipment on-Line Monitor Device current techique standard ".At present, on-line monitoring system is mainly used in power transformation link, and transmission of electricity link application is also less, this is mainly to lack at present a kind of technology of effectively directly obtaining electric energy from power cable and transmission line, causes power cable and transmission line online monitoring system to have the difficult problem of powering.
Utility model content
In view of this, the utility model provides electric field micropower electricity getting device and monitoring system in a kind of power cable and transmission line, to solve the problem that it is difficult that power cable and transmission line online monitoring system are powered.
The utility model provides electric field micropower power taking monitoring system in a kind of power cable and transmission line, comprise: be positioned at on-the-spot electric field micropower electricity getting device and communicator, described electric field micropower electricity getting device and communicator form Small Area Wireless Communication Networks, described communicator is also connected by remote wireless network with the monitoring server that is positioned at far-end, described electric field micropower electricity getting device comprises: battery lead plate, power taking controller, short distance communication transmission interface, impedance matching circuit and be the capacitor array of late-class circuit power supply, described battery lead plate is arranged in the alternating electric field being formed by high-voltage line, described power taking controller is connected on high-voltage line and battery lead plate, described power taking controller, impedance matching circuit and the series connection of capacitor array order, described short haul connection transmission interface is connected with described power taking controller, and described short haul connection transmission interface and described communicator form Small Area Wireless Communication Networks.
Further, described communicator comprises: communication main body and the solar energy electric supplier being connected with described communication main body.
Further, described communication main body comprises: short haul connection receiving interface, master controller and GPRS interface, described master controller is connected with short haul connection receiving interface and GPRS interface respectively.
Further, described battery lead plate is copper electrode.
The utility model also provides electric field micropower electricity getting device in a kind of power cable and transmission line, comprise: battery lead plate, power taking controller, impedance matching circuit and the capacitor array for late-class circuit power supply, described battery lead plate is arranged in the alternating electric field being formed by high-voltage line, described power taking controller is connected on high-voltage line and battery lead plate, described power taking controller, impedance matching circuit and the series connection of capacitor array order.
Further, described battery lead plate is copper electrode.
Further, also comprise: short distance communication transmission interface, described short distance communication transmission interface is connected with described power taking controller.
Further, described late-class circuit comprises: transducer, A/D converter, CPU and the communication module of series connection.
The beneficial effects of the utility model:
In power cable of the present utility model and transmission line, electric field micropower electricity getting device forms contactless capacitive coupling electricity getting device by battery lead plate, power taking controller, impedance matching circuit and capacitor array, have simple in structure, be easy to realize, the power taking feature such as safely, can solve the problem that it is difficult that power cable and transmission line online monitoring system are powered.In addition, electric field micropower power taking monitoring system in the power cable that the utility model provides and transmission line, the relevant information of power taking can be sent to the monitoring server of far-end by electric field micropower electricity getting device and communicator, realize the monitoring to power taking information, think that changing nearly electricity getting device provides data.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structural representation of the embodiment of electric field micropower power taking monitoring system in the power cable that provides of the utility model and transmission line.
Fig. 2 is the structural representation of the embodiment of electric field micropower electricity getting device in the power cable that provides of the utility model and transmission line.
Fig. 3 is the structural representation of the embodiment of communicator.
Embodiment
The mode of conventional direct power taking from transmission line has at present:
(1), according to electromagnetic induction principle, utilize transformer coupled principle, the transformer that utilizes former secondary to separate, in the time of former secondary close together, is coupled by magnetic flux, and former limit energy is delivered to secondary.This kind of mode is suitable for closely transmitting larger energy, can reach hundreds of watts, even larger, can meet the demand that most of weak current equipment energy transmit.But, the making of transformer difficulty relatively in which, and former volume ratio is larger, be unfavorable for integrated, install and carry, and the design of transformer core, material are also the subject matter of its development of restriction.
(2), by electromagentic resonance transferring energy, transmitting terminal converts electric energy to the signal of the higher-order of oscillation, utilize antenna that energy is sent in the air, the antenna of receiving terminal configurations match transmitting terminal, by " resonance " mode, energy is received, then by high-frequency rectification technology, be DC power supply by this power conversion, and used.This mode can realize the power of tens of watts to hundreds of watts in several meters.But, adopt this kind of mode, need resoant antenna perfect in workmanship, its technique is comparatively complicated, is not suitable for volume production, and affected by antenna size, and its finished product is also larger.Meanwhile, General Requirements power receiving equipment is placed into certain area, can not have other conducting metals near charger simultaneously, to improve charge efficiency and to avoid occurring the danger such as electric leakage.In power industry field, be mainly used in the contactless charging of electric automobile.
(3), according to field coupled mode, mainly utilize capacitive coupling principle: a pair of capacitor plate in alternating electric field, due to the existence of displacement current, thereby can gather electric charge on to pole plate at this, this process similarly is to capacitor charging, if capacitor plate adds load, just can in load, form alternating current, briefly, be exactly the energy that load has obtained electric field, be therefore a kind of non-contact type electric energy transmission means.This mode, the energy comparison of transmission is little, is applicable to the equipment of low power consuming devices or intermittent duty.
The novel principle based in (3) of this reality has proposed electric field micropower electricity getting device and monitoring system in a kind of power cable and transmission line.
As shown in Figure 1, be the structural representation of the embodiment of electric field micropower power taking monitoring system in the power cable that provides of the utility model and transmission line.It comprises: be positioned at on-the-spot electric field micropower electricity getting device 1 and communicator 2, and be positioned at the monitoring server 3 of far-end.
Wherein, electric field micropower electricity getting device 1 and communicator 2 form Small Area Wireless Communication Networks, because electric field micropower electricity getting device 1 can not be collected larger energy, it uses to electric current equipment little, low in energy consumption, so its data are also not suitable for long-distance transmissions, so convenient in order to verify with image data, increased communicator 2, its effect is to far-end backstage by the information transfer transmission of electric field micropower electricity getting device 1., consider the convenience of installation and power taking in the wild, communicator 2 adopts solar powered mode, receives only at ordinary times the information that electric field micropower electricity getting device 1 sends, and as required, will after these information package, be transferred to far-end.
Wherein, communicator 2 is connected by remote wireless network with monitoring server 3, for example: GPRS network.The data of the electric field micropower electricity getting device 1 that monitoring server 3 forwards from communicator 2 by wireless link collection, and deposit these data in database; And by arranging, to the data analysis collecting, comprise generate various statistical charts and form (data list, histogram, time graph, by seclected time scale contrast form etc.).
The present embodiment, can send to the relevant information of power taking the monitoring server of far-end by electric field micropower electricity getting device 1 and communicator 2, realize the monitoring to power taking information, thinks that changing nearly electric field micropower electricity getting device 1 provides data foundation.
As shown in Figure 2, be the structural representation of the embodiment of electric field micropower electricity getting device 1, it comprises: battery lead plate 11, power taking controller 12, short distance communication transmission interface 13, impedance matching circuit 14 and the capacitor array 15 for late-class circuit power supply.
Wherein, battery lead plate 11 is arranged in the alternating electric field being formed by high-voltage line, power taking controller 12 is connected on high-voltage line and battery lead plate 11, power taking controller 12, impedance matching circuit 14 and capacitor array 15 order series connection, wherein short haul connection transmission interface 13 is connected with power taking controller 12, and short haul connection transmission interface 13 forms Small Area Wireless Communication Networks with communicator.Wherein battery lead plate 11 can be copper electrode.
Wherein, power taking controller 12 is cores, and it completes from battery lead plate 11 and obtains electric energy, and is sent into impedance matching circuit 14.Therefore, require power taking controller 12 to there is high conversion efficiency and low operating voltage, meanwhile, there is self-protection function, as overvoltage, overcurrent etc.
Wherein, impedance matching circuit 14 completes the impedance matching of power taking controller 12 output stages and capacitor array 15, approaches ceiling capacity efficiency of transmission.
Wherein, capacitor array 15 plays energy storage effect, and the working power of late-class circuit is provided.
Wherein, late-class circuit, comprises transducer, AD, CPU and communication module that order is connected in series, etc., be the circuit that the effect in order to verify prime power taking, energy storage device increases, this late-class circuit can, according to the difference of application, be selected different circuit.
Wherein, power taking controller 12 is to be connected on high-voltage line and being placed on the battery lead plate 11 of high-voltage alternating electric field, utilizes its capacity effect, saves bit by bit electric charge, when charge accumulated is to certain time, electric charge is stored in match circuit is transferred to capacitor array; Along with the continuous increase of electric charge on capacitor array, finally can reach the condition of work (being mainly voltage and power demand) of late-class circuit, more as required these electrical energy transfer be used to late-class circuit.
The present embodiment, form contactless capacitive coupling electricity getting device by battery lead plate, power taking controller, impedance matching circuit and capacitor array, have simple in structure, be easy to realize, the power taking feature such as safely, can solve the problem that it is difficult that power cable and transmission line online monitoring system are powered.
The present embodiment, can be humiture and detect, or the indication task such as light flash provides interval electric energy.The present embodiment, the electric energy that hundreds of milliwatt levels can be intermittently provided on ultra-high-tension power transmission line, is the data acquisition of the gradual amount such as temperature, humidity, or the low power consumption device such as charged indication of intermittently glistening provide stabilized power supply, and this device is easy to installation and maintenance, easy to use.
As shown in Figure 3, be the structural representation of the embodiment of communicator 2, it comprises: communication main body 21 and the solar energy electric supplier 22 being connected with communication main body 21.
Wherein communication main body 21 comprises: short haul connection receiving interface 221, master controller 222 and GPRS interface 223, wherein master controller 222 is connected with short haul connection receiving interface 221 and GPRS interface 223 respectively.
The present embodiment, because communicator 2 is applied to field, considers the convenience of installation and power taking, and communicator 2 adopts solar powered mode.
Finally explanation is, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (8)
1. electric field micropower power taking monitoring system in a power cable and transmission line, it is characterized in that: comprising: be positioned at on-the-spot electric field micropower electricity getting device and communicator, described electric field micropower electricity getting device and communicator form Small Area Wireless Communication Networks, described communicator is also connected by remote wireless network with the monitoring server that is positioned at far-end, described electric field micropower electricity getting device comprises: battery lead plate, power taking controller, short distance communication transmission interface, impedance matching circuit and be the capacitor array of late-class circuit power supply, described battery lead plate is arranged in the alternating electric field being formed by high-voltage line, described power taking controller is connected on high-voltage line and battery lead plate, described power taking controller, impedance matching circuit and the series connection of capacitor array order, described short haul connection transmission interface is connected with described power taking controller, and described short haul connection transmission interface and described communicator form Small Area Wireless Communication Networks.
2. electric field micropower power taking monitoring system in power cable as claimed in claim 1 and transmission line, is characterized in that: described communicator comprises: communication main body and the solar energy electric supplier being connected with described communication main body.
3. electric field micropower power taking monitoring system in power cable as claimed in claim 2 and transmission line, it is characterized in that: described communication main body comprises: short haul connection receiving interface, master controller and GPRS interface, described master controller is connected with short haul connection receiving interface and GPRS interface respectively.
4. electric field micropower power taking monitoring system in the power cable as described in any one in claim 1-3 and transmission line, is characterized in that: described battery lead plate is copper electrode.
5. electric field micropower electricity getting device in a power cable and transmission line, it is characterized in that: comprising: battery lead plate, power taking controller, impedance matching circuit and the capacitor array for late-class circuit power supply, described battery lead plate is arranged in the alternating electric field being formed by high-voltage line, described power taking controller is connected on high-voltage line and battery lead plate, described power taking controller, impedance matching circuit and the series connection of capacitor array order.
6. electric field micropower electricity getting device in power cable as claimed in claim 5 and transmission line, is characterized in that: described battery lead plate is copper electrode.
7. electric field micropower electricity getting device in power cable as claimed in claim 5 and transmission line, is characterized in that: also comprise: short distance communication transmission interface, described short distance communication transmission interface is connected with described power taking controller.
8. electric field micropower electricity getting device in the power cable as described in any one in claim 5-6 and transmission line, is characterized in that: described late-class circuit comprises: transducer, A/D converter, CPU and the communication module of series connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035767.3U CN203660670U (en) | 2014-01-21 | 2014-01-21 | Electric field micropower electricity-taking device and monitoring system in power cable and power transmission line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035767.3U CN203660670U (en) | 2014-01-21 | 2014-01-21 | Electric field micropower electricity-taking device and monitoring system in power cable and power transmission line |
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| CN203660670U true CN203660670U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420035767.3U Expired - Lifetime CN203660670U (en) | 2014-01-21 | 2014-01-21 | Electric field micropower electricity-taking device and monitoring system in power cable and power transmission line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048654A (en) * | 2015-09-06 | 2015-11-11 | 国家电网公司 | Electric field overhead line wireless energy taking device |
| CN106100001A (en) * | 2016-07-26 | 2016-11-09 | 浙江华彩光电科技有限公司 | A kind of non-contact electric power transmission system |
-
2014
- 2014-01-21 CN CN201420035767.3U patent/CN203660670U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105048654A (en) * | 2015-09-06 | 2015-11-11 | 国家电网公司 | Electric field overhead line wireless energy taking device |
| CN106100001A (en) * | 2016-07-26 | 2016-11-09 | 浙江华彩光电科技有限公司 | A kind of non-contact electric power transmission system |
| CN106100001B (en) * | 2016-07-26 | 2019-08-23 | 浙江华彩光电科技有限公司 | A kind of non-contact electric power Transmission system |
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Granted publication date: 20140618 |