CN204189543U - Class composite insulation outer coat zinc oxide arrester is pressed in a kind of low cost intelligent type - Google Patents
Class composite insulation outer coat zinc oxide arrester is pressed in a kind of low cost intelligent type Download PDFInfo
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- CN204189543U CN204189543U CN201420647090.9U CN201420647090U CN204189543U CN 204189543 U CN204189543 U CN 204189543U CN 201420647090 U CN201420647090 U CN 201420647090U CN 204189543 U CN204189543 U CN 204189543U
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Abstract
The utility model discloses a kind of intelligent arrester, conventional composite insulation outer coat zinc oxide arrester and intellectual monitoring module are realized low cost, integrative packaging by it.The energy of above-mentioned intellectual monitoring module collection and storage leakage current of an arrester, as main power source, is monitored the state parameters such as leakage current of an arrester, 3 subharmonic currents, action frequency, die temperature, and these parameters is sent by wireless channel.The utility model has the advantage that intelligence degree is high, cost is low, reliability is high, non-maintaining.
Description
Technical field
The utility model relates to a kind of intelligent arrester, specifically presses class composite insulation outer coat zinc oxide arrester in a kind of low cost intelligent type.
Background technology
Existing middle pressure class zinc oxide arrester does not possess the function of the operating state of monitoring own, needs zinc oxide surge arresters on-line monitoring table or uses arrester tester to check lightning arrester running status.
Lightning arrester on-line monitoring table is for monitoring leakage current of an arrester and action frequency, and its cost is much higher than the cost of lightning arrester own, is not suitable for the large-scale application of distribution system.In addition, analog lightning arrester on-line monitoring table needs manual inspection to check meter, and labor workload is large, poor real; Digital lightning arrester on-line monitoring telogenesis is originally very high, also needs to solve power supply and Communication, and cost performance is lower.Therefore, the lightning arrester of intermediate distribution system usually can not zinc oxide surge arresters on-line monitoring table.
Arrester tester can be applicable to the charged or test that has a power failure in the scene of zinc oxide arrester, and possess stronger analysis ability, but scene relates to patching operations, labor workload is large, real-time is very poor, and therefore arrester tester is comparatively usually used in upkeep operation.
Utility model content
The utility model is in order to solve the defect and deficiency that exist in above-mentioned prior art, provide one and can improve surge arrester failure diagnosis efficiency, reduce labor workload, in the low cost intelligent type that intelligence degree is high, cost is low, reliability is high, non-maintaining, press class composite insulation outer coat zinc oxide arrester.
The technical solution of the utility model: press class composite insulation outer coat zinc oxide arrester in a kind of low cost intelligent type, conventional composite insulation outer coat zinc oxide arrester and intellectual monitoring module are realized low cost, integrative packaging, on the basis not affecting the original excellent properties of conventional composite insulation outer coat zinc oxide arrester, achieve the wireless intelligent monitoring of the states such as leakage current of an arrester, 3 subharmonic currents, action frequency, die temperature;
Above-mentioned intellectual monitoring module is by collecting and store the energy of leakage current of an arrester as groundwork power supply, and built-in long-life batteries is as stand-by power supply; After lightning arrester on-line operation, intellectual monitoring module does not mainly utilize leakage current of an arrester work, seldom or not the energy of consuming cells, Maintenance free within the whole product life cycle;
Above-mentioned intellectual monitoring module support of wireless communication function, the data such as leakage current of an arrester, 3 subharmonic currents, action frequency, die temperature are sent by wireless channel by intellectual monitoring module.
Preferably, this lightning arrester comprises spool, inner insulating layer, outer umbrella sleeve, metallic sheath, interior electrode, nut, screw, described spool is provided with intellectual monitoring module, described intellectual monitoring module comprises battery, control circuit board, power supply circuit board, electrode upper cover, O RunddichtringO, electrode shell, spring leaf, circuit board housing, antenna dielectric post, antenna, insulated column, zinc oxide valve plate, electrode slice, electrode slice contact
Described welding battery is on control circuit board, and control circuit board to be fixed on power supply circuit board by connector and to be electrically connected with its realization; Battery, control circuit board, power supply circuit board are fixed in circuit board housing; Circuit board housing is fixed on bottom electrode shell; Power supply circuit board edge contacts with electrode shell and realizes being electrically connected;
Described antenna dielectric post is fixed on electrode shell by screw thread, and antenna is fixed on antenna dielectric post by screw thread, the feeder point cantact on antenna and control circuit board;
Described zinc oxide valve plate is fixed between electrode shell and electrode slice, and electrode slice contact realizes being electrically connected through electrode shell, the centre bore of electrode slice and power supply circuit board;
Described electrode upper cover and electrode shell are threaded connection, and described spring leaf compresses circuit board housing, and described power supply circuit board and electrode shell fit tightly;
Described electrode upper cover center is with threaded hole, is drawn as external cabling terminal by screw.
Lightning arrester of the present utility model utilizes the leakage current of lightning arrester own to power, and the state such as leakage current, 3 subharmonic currents, action frequency, spool temperature of monitoring lightning arrester, is sent state information by wireless channel; The zinc oxide arrester simultaneously directly replacing corresponding specification uses, and can directly check lightning arrester operating condition, can greatly improve surge arrester failure diagnosis efficiency thus by supporting radio receiver, reduces labor workload.
Preferably, described O RunddichtringO comprises the upper O RunddichtringO that is arranged between electrode upper cover and electrode shell and is arranged on electrode upper cover, lower O RunddichtringO between electrode shell and circuit board housing.
Preferably, described control circuit board comprises microprocessor, voltage stabilizing circuit, modulate circuit, and described power supply circuit board comprises current-limiting circuit, power-supply circuit, sample circuit, protective circuit, temperature sensor; Described power supply circuit board realizes being electrically connected by electrode shell, electrode slice contact and zinc oxide valve plate; Electrical connection is realized by connector between described control circuit board, power supply circuit board.
Preferably, described current-limiting circuit, power-supply circuit, sample circuit composition series circuit, this series circuit is in parallel with zinc oxide valve plate, and described protective circuit is connected between current-limiting circuit, zinc oxide valve plate.Described current-limiting circuit and protective circuit are respectively used to overcurrent, the overvoltage protection of late-class circuit.The signal output part of described protective circuit is connected with microprocessor, exports a pulse to microprocessor during protective circuit action.
Described power-supply circuit is collected and is stored the current energy flow through, then by voltage stabilizing circuit be microprocessor, modulate circuit provides stable working power.Battery is connected with voltage stabilizing circuit as stand-by power supply.
Described sample circuit sends to modulate circuit after the current value flow through is converted into magnitude of voltage, exports the analog sampling port of microcontroller after modulate circuit filtering, amplification to.
Described temperature sensor is connected with microprocessor, and microprocessor provides power supply for temperature sensor and reads temperature value.
The utility model has following beneficial effect:
1. the utility model is based on the composite insulation outer coat zinc oxide arrester structure of maturation and encapsulation technology, and intellectual monitoring module package is inner to composite insulation outer coat zinc oxide arrester, and its packaging cost is low, structure is simple, reliability is high;
2. the utility model can monitor the states such as leakage current of an arrester, 3 subharmonic currents, action frequency, spool temperature, and all state informations are sent by wireless channel;
3. the utility model utilizes the leakage current of lightning arrester own to power and battery auxiliary power supply, Maintenance free within the whole product life cycle.
Accompanying drawing explanation
Fig. 1 is part sectioned view of the present utility model;
Fig. 2 is intellectual monitoring module sectional view of the present utility model;
Fig. 3 is schematic block circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and specific works principle, the utility model is described in further detail, but is not the restriction to the utility model protection range.
Conventional composite insulation outer coat zinc oxide arrester and intellectual monitoring module are realized integrative packaging by the utility model, on the basis not affecting the original excellent properties of conventional composite insulation outer coat zinc oxide arrester, achieve the wireless intelligent monitoring of the states such as leakage current of an arrester, 3 subharmonic currents, action frequency, die temperature.
As shown in Figure 1, class composite insulation outer coat zinc oxide arrester is pressed to comprise spool 15, inner insulating layer 16, outer umbrella sleeve 17, metallic sheath 18, interior electrode 19, nut 20, screw 21 and intellectual monitoring module in low cost intelligent type.
As shown in Figure 2, above-mentioned intellectual monitoring module comprises battery 1, control circuit board 2, power supply circuit board 3, electrode upper cover 4, upper O RunddichtringO 5, electrode shell 6, spring leaf 7, circuit board housing 8, lower O RunddichtringO 9, antenna dielectric post 10, antenna 11, insulated column 12, zinc oxide valve plate 13, electrode slice 14, electrode slice contact 14-1.
Battery 1 is welded on control circuit board 2, and control circuit board 2 to be fixed on power supply circuit board 3 by connector and to be electrically connected with its realization.Battery 1, control circuit board 2, power supply circuit board 3 are fixed in circuit board housing 8; Circuit board housing 8 is fixed on bottom electrode shell 6; Power supply circuit board 3 edge contacts with electrode shell 6 thus realizes being electrically connected.
Antenna dielectric post 10 is fixed on electrode shell 6 by screw thread, and antenna 11 is fixed on antenna dielectric post by screw thread, antenna 11 and the feeder point cantact on control circuit board 2.Antenna dielectric post 10 is for the electrical isolation between antenna 11, electrode shell 6.Antenna 11 is intactly protected within outer umbrella sleeve 17, and have a slight bossing in appearance, this can not affect the performance of lightning arrester itself.
Zinc oxide valve plate 13 is fixed between electrode shell 6, electrode slice 14, and electrode slice contact 14-1 realizes being electrically connected through electrode shell 6, the centre bore of electrode slice 14 and power supply circuit board 3.Insulated column 12 is for the electrical isolation between electrode slice contact 14-1 and electrode shell 6, zinc oxide valve plate 13.
Electrode upper cover 4 and electrode shell 6 are threaded connection, and upper O RunddichtringO 5, lower O RunddichtringO 9 are for dual waterproof, the moisture seal of electrode interior; Spring leaf 7 for compressing circuit board housing 8, thus makes power supply circuit board 3 and electrode shell 6 fit tightly.Electrode upper cover 4 center is with threaded hole, is drawn as external cabling terminal by screw 21.
Plug is made in above-mentioned intellectual monitoring module and spool 15, interior electrode 19 series connection, plug encapsulating inner insulating layer 16 makes prefabricated pipe, prefabricated pipe also needs to encapsulate outer umbrella sleeve 17, finally installs metallic sheath 18, nut 20, screw 21 form in complete low cost intelligent type and press class composite insulation outer coat zinc oxide arrester.
As shown in Figure 3, control circuit board 2 is primarily of microprocessor, voltage stabilizing circuit, modulate circuit composition, and battery 1 is welded on control circuit board 2, the feeder point cantact of antenna 11 and control circuit board 2; Power supply circuit board 3 is primarily of current-limiting circuit, power-supply circuit, sample circuit, protective circuit, temperature sensor composition; R0 is spool 15; R1 is zinc oxide valve plate 13, and power supply circuit board 3 realizes being electrically connected by electrode shell 6, electrode slice contact 14-1 and zinc oxide valve plate 13.Electrical connection is realized by connector between control circuit board 2, power supply circuit board 3.
Operation principle of the present utility model
As shown in Figure 3, I0 is for flowing through R0(spool 15) electric current, I1 is for flowing through R1(zinc oxide valve plate 13) electric current, I2 is the electric current flowing through protective circuit, and I3 is the electric current flowing through sample circuit, I0=I1+I2+I3.R1 has good nonlinear wind vibration, and under normal working voltage, R1 is in high-impedance state, and therefore I1 value is very little.Above-mentioned protective circuit has good nonlinear wind vibration equally, and the I2 value under normal working voltage is very little.The series circuit that above-mentioned power-supply circuit, sample circuit are formed has the series impedance of relative constancy; its resistance value is much smaller than the parallel impedance value of protective circuit, R1; when normal working voltage; electric current 13 much larger than I1, I2 sum, therefore electric current I 3 can Approximate Equivalent in total leakage current I0 of lightning arrester.
I3 current value is converted into magnitude of voltage by sample circuit, then modulate circuit is sent to, after modulate circuit filtering, amplification, export the analog sampling port of Low ESR signal to microcontroller, microcontroller sampled input signal, leakage current of an arrester value and 3 subharmonic current values after process, can be obtained.
Power-supply circuit for collecting and store the energy of leakage current of an arrester, by voltage stabilizing circuit for late-class circuit provides stable working power.The stand-by power supply port of battery access voltage stabilizing circuit, under normal circumstances, the output voltage of power-supply circuit is higher than cell output voltage, and battery is not powered; When power-supply circuit electricity shortage causes output voltage lower than cell voltage, battery starts power supply; Therefore, no matter lightning arrester whether on-line operation, circuit is in running order all the time.
When lightning arrestor movement, I0 electric current increases rapidly, and I3 electric current also increases thereupon, and understand trigger protection circuit operation when I3 electric current increases to certain value, now the electric current of I2 is much higher than the electric current of I3; Current-limiting circuit is pure resistor element circuit, therefore R1 both end voltage can raise along with the increase of I2, I3, when R1 both end voltage increases to over the pressure sensitive voltage of R1, in low resistive state after R1 is breakdown, most current is released by R1, after the voltage higher than R1 pressure sensitive voltage is cancelled, R1 returns to high-impedance state.The each action of protective circuit all can export a pulse to microprocessor, and microprocessor just can record lightning arrestor movement number of times and time by the output pulse of monitoring and protecting circuit.
Temperature sensor is arranged on power supply circuit board 3, and temperature sensor is used for the temperature of measurement electrode housing 6, and the temperature of electrode shell 6 is equivalent to the temperature of spool 15.Microprocessor provides power supply for temperature sensor and reads temperature value.
Microprocessor is multi-protocols SoC(systems-on-a-chip that is powerful, high flexibility), support ultra-low power consumption wireless application.The data such as leakage current, 3 subharmonic currents, action frequency, spool temperature that microprocessor obtains are sent by wireless channel.Wireless side interface supports Bluetooth agreement and privately owned wireless communication protocol, user, by supporting that the equipment such as mobile phone, panel computer of Bluetooth checks lightning arrester operating condition at the scene, also can realize lightning arrester on-line monitoring function by special Wireless Sensor Network Platform.
Intellectual monitoring module adopts intermittently used mode, timing microprocessor sends wireless data, the measuring period of leakage current of an arrester, 3 subharmonic currents, action frequency, spool temperature then carries out dynamic conditioning according to leakage current power taking situation, this kind of mode of operation makes getting of leakage current can maintain relative balance with consumption, both the real-time of radio communication and measurement had been ensured, the power consumption of battery can be limited again, greatly extend the useful life of battery.Microprocessor all can cut out peripheral hardware at every turn and enter the resting state of super low-power consumption after completing transmission.
Claims (3)
1. press a class composite insulation outer coat zinc oxide arrester in low cost intelligent type, comprise spool, inner insulating layer, outer umbrella sleeve, metallic sheath, interior electrode, nut, screw; It is characterized in that: described spool is provided with intellectual monitoring module, described intellectual monitoring module comprises battery, control circuit board, power supply circuit board, electrode upper cover, O RunddichtringO, electrode shell, spring leaf, circuit board housing, antenna dielectric post, antenna, insulated column, zinc oxide valve plate, electrode slice, electrode slice contact;
Described welding battery is on control circuit board, and control circuit board to be fixed on power supply circuit board by connector and to be electrically connected with its realization; Battery, control circuit board, power supply circuit board are fixed in circuit board housing; Circuit board housing is fixed on bottom electrode shell; Power supply circuit board edge contacts with electrode shell and realizes being electrically connected;
Described antenna dielectric post is fixed on electrode shell by screw thread, and antenna is fixed on antenna dielectric post by screw thread, the feeder point cantact on antenna and control circuit board;
Described zinc oxide valve plate is fixed between electrode shell and electrode slice, and electrode slice contact realizes being electrically connected through electrode shell, the centre bore of electrode slice and power supply circuit board;
Described electrode upper cover and electrode shell are threaded connection, and described spring leaf compresses circuit board housing, and described power supply circuit board and electrode shell fit tightly;
Described electrode upper cover center is with threaded hole, is drawn as external cabling terminal by screw.
2. press class composite insulation outer coat zinc oxide arrester in a kind of low cost intelligent type according to claim 1, it is characterized in that: described control circuit board comprises microprocessor, voltage stabilizing circuit, modulate circuit, described power supply circuit board comprises current-limiting circuit, power-supply circuit, sample circuit, protective circuit, temperature sensor; Described power supply circuit board realizes being electrically connected by electrode shell, electrode slice contact and zinc oxide valve plate; Electrical connection is realized by connector between described control circuit board, power supply circuit board.
3. press class composite insulation outer coat zinc oxide arrester in a kind of low cost intelligent type according to claim 2, it is characterized in that: described current-limiting circuit, power-supply circuit, sample circuit composition series circuit, described series circuit is in parallel with zinc oxide valve plate, and described protective circuit is connected between current-limiting circuit, zinc oxide valve plate; The signal output part of described protective circuit is connected with microprocessor, and described power-supply circuit is collected and stored the current energy flow through; Described sample circuit sends to modulate circuit after the current value flow through is converted into magnitude of voltage; Described temperature sensor is connected with microprocessor, and microprocessor provides power supply for temperature sensor and reads temperature value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420647090.9U CN204189543U (en) | 2014-11-03 | 2014-11-03 | Class composite insulation outer coat zinc oxide arrester is pressed in a kind of low cost intelligent type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420647090.9U CN204189543U (en) | 2014-11-03 | 2014-11-03 | Class composite insulation outer coat zinc oxide arrester is pressed in a kind of low cost intelligent type |
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| CN204189543U true CN204189543U (en) | 2015-03-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816242A (en) * | 2016-11-18 | 2017-06-09 | 杨洪柱 | Polymeric Housed MOA |
| CN107045089A (en) * | 2017-01-20 | 2017-08-15 | 上海欧忆能源科技有限公司 | Arrester condition diagnosing system |
| EP3268711A4 (en) * | 2015-03-10 | 2019-03-27 | Hubbell Incorporated | Temperature monitoring of high voltage distribution system components |
| CN116598996A (en) * | 2023-06-16 | 2023-08-15 | 温州益坤电气股份有限公司 | Intelligent lightning arrester |
-
2014
- 2014-11-03 CN CN201420647090.9U patent/CN204189543U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3268711A4 (en) * | 2015-03-10 | 2019-03-27 | Hubbell Incorporated | Temperature monitoring of high voltage distribution system components |
| CN106816242A (en) * | 2016-11-18 | 2017-06-09 | 杨洪柱 | Polymeric Housed MOA |
| CN107045089A (en) * | 2017-01-20 | 2017-08-15 | 上海欧忆能源科技有限公司 | Arrester condition diagnosing system |
| CN116598996A (en) * | 2023-06-16 | 2023-08-15 | 温州益坤电气股份有限公司 | Intelligent lightning arrester |
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