CN209102867U - High voltage isolator and fuse switch condition detecting system - Google Patents
High voltage isolator and fuse switch condition detecting system Download PDFInfo
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- CN209102867U CN209102867U CN201821388702.1U CN201821388702U CN209102867U CN 209102867 U CN209102867 U CN 209102867U CN 201821388702 U CN201821388702 U CN 201821388702U CN 209102867 U CN209102867 U CN 209102867U
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- high voltage
- voltage isolator
- fuse switch
- mcu controller
- detecting system
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Abstract
The utility model proposes a kind of high voltage isolators and fuse switch condition detecting system, including collector, MCU controller, radio communication circuit and power circuit；The collector includes temperature sensor and angular transducer；The temperature sensor is fixed on the moving contact of high voltage isolator and fuse switch to be detected, and the angular transducer is fixed at the fixing end of the moving contact of high voltage isolator and fuse switch；The temperature sensor and angular transducer are connected with MCU controller respectively, and the communication interface of the MCU controller is connected with telecommunication circuit, and the power interface of the MCU controller is connected with the output end of power circuit；The movable contact of disconnecting switch and fuse is set using temperature sensor and angular transducer, when movable contact carries out switch motion, trigger angle sensor acquisition angles signal, it is thus achieved that the automatic detection of disconnecting switch and fuse movement.
Description
Technical field
The utility model relates to high voltage power distribution technical field, in particular to a kind of high voltage isolator and fuse switch
Condition detecting system.
Background technique
High voltage isolator and fuse equipment as one of the important composition in substation, often with high-voltage circuitbreaker, electricity
The coordinative composition of equipments such as current transformer, voltage transformer use.Main function is disconnecting circuit, by isolated from power.High voltage isolator
When in gate-dividing state, it is equipped with apparent breakpoint, to carry out Maintenance and Repair to other electrical equipments；It can pass through under "on" position
Normal duty electric current and short-circuit current.
Existing high voltage isolator, since the defect of poor contact leads to disconnecting switch overheat operation, the reason is that more
Caused by aspect, in the process of running, too small contact area keeps equipment electric plus the effect of the impurity such as dust, moisture in air
Resistive is big, to cause the temperature of disconnecting switch excessively high.
In actual use, fuse switch acts or high voltage isolator is by private artificial disconnection, power supply department
Information cannot be all obtained in time, and to electricity consumption, user causes damages, and causes very big puzzlement to distribution automation management.
Utility model content
The purpose of this utility model aims to solve at least one of the technological deficiency.
For this purpose, a purpose of the utility model is to propose a kind of high voltage isolator and the inspection of fuse switch state
Examining system, using the switch state of sensor detection disconnecting switch and fuse, and combining wireless telecommunication circuit opens detection
The phenomenon that off status carries out teletransmission, thus solves the overheat operation of existing disconnecting switch occurred due to poor contact, and by
The phenomenon that artificial disconnect and power supply department cannot be learnt in time.
To achieve the goals above, the embodiment of the utility model one side provides a kind of high voltage isolator and drop type
Fuse state detection system, including collector, MCU controller, radio communication circuit and power circuit；The collector includes
Temperature sensor and angular transducer；It is molten that the temperature sensor is fixed at high voltage isolator and drop type to be detected
On the moving contact of disconnected device, the angular transducer is fixed at consolidating for the moving contact of high voltage isolator and fuse switch
Fixed end；The temperature sensor and angular transducer are connected with MCU controller respectively, the communication interface of the MCU controller
It is connected with telecommunication circuit, the power interface of the MCU controller is connected with the output end of power circuit；
The power circuit includes solar panel, battery and voltage conversion chip, the solar panel
Output end connects the electrode of battery, the input terminal of the electrode connection voltage conversion chip of the battery, the voltage conversion
The power interface of the output end connection MCU controller of chip.
Preferably, the radio communication circuit is to appoint in NBIOT communication module, GPRS communication module or Zigbee module
It anticipates one kind.
In any of the above-described scheme preferably, the NBIOT communication module selects the NBIOT communication of model BC26
Unit, radio-frequency antenna and match circuit；The communication pin of the radio-frequency antenna connection SIM card chip, SIM card chip pass through connection
Radio-frequency antenna and NBIOT base station communication, the NBIOT communication module communicate pin with the UART of the main control chip of MCU controller
Connection；The clock pins of the NBIOT communication module are connected with the clock pins of SIM card chip.
In any of the above-described scheme preferably, the moving contact fixing end of the disconnecting switch includes contact base, locking plate
With contact knife piece；The contact base is fixedly mounted on the insulated terminal of disconnecting switch, and lock is fixed with above the contact base
Angular transducer is fixedly mounted on the locking plate in buckle, and rotary head and the contact knife piece of the angular transducer are welded and fixed.
In any of the above-described scheme preferably, the model MC34063 of voltage conversion chip, the voltage conversion chip
Power pin connect the first triode collector, first triode base stage connection battery anode.
In any of the above-described scheme preferably, the MCU controller includes the master control core of model STM32F051C8T6
The data pins of piece and eeprom chip, the MCU main control chip are connected with the data pins of EEPROM storage chip.
In any of the above-described scheme preferably, the output end of the temperature sensor and the output end of angular transducer,
Pass through the input interface of connection copper core twisted pair line connection to MCU controller.
In any of the above-described scheme preferably, the copper core twisted pair includes two twisted cores, further includes cladding
Inorganic insulation layer in the periphery of two cores and the polyvinyl chloride insulation sheath that is coated on outside inorganic insulation layer.
In any of the above-described scheme preferably, the inorganic insulation layer uses mica tape and Ceramic silicon rubber composite wood
Material filling.
According to a kind of high voltage isolator provided by the embodiment of the utility model and fuse switch condition detecting system,
It is had at least the following advantages compared to existing disconnecting switch and fuse switch condition detecting device:
1, the movable contact of disconnecting switch and fuse is set using temperature sensor and angular transducer, when movable contact into
When row switch motion, trigger angle sensor acquisition angles signal, it is thus achieved that disconnecting switch and fuse movement it is automatic
Detection, is detected using temperature of the temperature sensor to the near contacts of disconnecting switch and fuse, utilizes angular transducer
With temperature sensor and MCU controller and radio communication circuit, combining is realized collected switch state signal and temperature
It spends signal and carries out teletransmission, power supply department is facilitated to carry out remote supervisory.
2, it is carried out wireless communication using NBIOT communication module, without building communication line again, circuit is simple.
3, it is combined and is powered with battery using solar panel, no setting is required power supply circuit is saved cost, made
It uses solar energy to power as clean energy resource, avoids common batteries pollution environment.
4, the output end of the output end of temperature sensor and angular transducer is arranged using copper core twisted pair, and in inside
Fire proofing material filling, compared with traditional rubber conducting wire, extends service life, avoids cable aging, cause circuit on fire.
The additional aspect of the utility model and advantage will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is a kind of high voltage isolator and fuse switch condition detecting system provided by the embodiment of the utility model
Connection block diagram；
Fig. 2 is a kind of high voltage isolator and fuse switch condition detecting system provided by the embodiment of the utility model
The scheme of installation of middle angular-rate sensor；
Fig. 3 is a kind of high voltage isolator and fuse switch condition detecting system provided by the embodiment of the utility model
The circuit diagram of middle power circuit；
Fig. 4 is a kind of high voltage isolator and fuse switch condition detecting system provided by the embodiment of the utility model
The circuit diagram of middle NBIOT communication module；
Fig. 5 is a kind of high voltage isolator and fuse switch condition detecting system provided by the embodiment of the utility model
The sectional view of middle copper core twisted pair；
In figure: 1, collector；2, MCU controller；3, radio communication circuit；4, power circuit；101, contact base；102, it locks
Buckle；103, contact knife piece；104, angular transducer；501, core；502, inorganic insulation layer；503, polyvinyl chloride insulation sheath；
Specific embodiment
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model
System.
As shown in figures 1 and 3, a kind of high voltage isolator of the utility model embodiment and the inspection of fuse switch state
Examining system, including collector 1, MCU controller 2, radio communication circuit 3 and power circuit 4；Collector 1 includes temperature sensor
With angular transducer 104；Temperature sensor is fixed at the dynamic touching of high voltage isolator and fuse switch to be detected
On head, angular transducer 104 is fixed at the fixing end of the moving contact of high voltage isolator and fuse switch；Temperature passes
Sensor 1 and angular transducer 104 are connected with MCU controller 2 respectively, and the communication interface of MCU controller 2 is connected with telecommunication circuit
It connects, the power interface of MCU controller 2 is connected with the output end of power circuit 4；
As shown in figure 3, the use of power circuit 4 is solar powered in order to reduce energy consumption, power circuit 4 includes solar-electricity
Pond plate, battery and voltage conversion chip, the electrode of the output end connection battery of solar panel, solar panel
The electrode of output end and battery connects the input terminal of voltage conversion chip simultaneously, and the output end of voltage conversion chip connects MCU
The power interface of controller 2.Solar panel receives sunlight irradiation, converts optical signals to electric signal, solar panel
Output end be connected with the electrode of battery, solar panel by telecommunication signal be sent to battery electrode carry out electric energy
Storage, if the electricity of battery has been expired, the output end of solar panel is directly connected to the input of voltage conversion chip at this time
The voltage signal received is converted to the voltage value for meeting MCU controller 2 and working by end, voltage conversion chip.
Further, the model MC34063 of voltage conversion chip, the power pin connection first of the voltage conversion chip
The collector of triode, the anode of the base stage connection battery of the first triode.When accumulator electric-quantity has been expired, the first triode
Base stage be high level, triode ON at this time, the power pin of the voltage conversion chip of emitter connection is high level, voltage
Conversion chip is started to work, due to the output end of the anode connection solar panel of battery, when accumulator electric-quantity is discontented with,
It is directly powered by solar panel at this time, the output end of solar panel is high level, at this time triode ON, emitter
The power pin of the voltage conversion chip of connection is high level, and voltage conversion chip is started to work.It ensure that solar panel
With the free switching of storage battery power supply.It is combined and is powered with battery using solar panel, no setting is required, and power supply is electric
Cost is saved on road, and solar energy is used to power as clean energy resource, avoids common batteries pollution environment.
In the above-described embodiments, disconnecting switch and fuse are arranged in using temperature sensor and angular transducer 104
Movable contact, when movable contact carries out switch motion, 104 acquisition angles signal of trigger angle sensor, it is thus achieved that keeping apart
The automatic detection with fuse movement is closed, is carried out using temperature of the temperature sensor to the near contacts of disconnecting switch and fuse
The temperature signal of acquisition and angle signal are sent to MCU controller 2, MCU by detection, temperature sensor and angular transducer 104
The temperature signal received and angle signal are sent to radio communication circuit 3 by controller 2, are sent to by radio communication circuit 3
The host computer of power supply department realizes collected switch state signal and temperature signal carrying out teletransmission, facilitates power supply department
Carry out remote supervisory.
As shown in Figure 4, it should be noted that radio communication circuit 3 can be NBIOT communication module, GPRS communication module
Or any one in Zigbee module.As most preferred embodiment, NBIOT communication module selects model BC26's
NBIOT communication unit, radio-frequency antenna and match circuit；Radio-frequency antenna connects the communication pin of SIM card chip, and SIM card chip is logical
Connection radio-frequency antenna and NBIOT base station communication are crossed, NBIOT communication module is communicated with the UART of the main control chip of MCU controller 2
Pin connection；It should be noted that needing to communicate using the special SIM chip for having NBIOT communication with NBIOT in governor circuit
Circuit cooperation is just able to achieve, and realizes NBIOT Internet of Things Netcom using existing common carrier network (movement, connection, telecommunications)
Letter, therefore in the NBIOT special SIM chip of selection model SIM7030, MCU controller 2 by the temperature signal received and
Angle signal is sent to NBIOT communication module, and the temperature signal received and angle signal are sent to by NBIOT communication module
The temperature signal received and angle signal are sent to the base station NBIOT using radio-frequency antenna by SIM card chip, SIM card chip, then
It is sent to the host computer of power supply department by the base station NBIOT, remote supervisory is carried out by power supply department.
As shown in Fig. 2, the present embodiment further expands disconnecting switch setting angle sensor 104, disconnecting switch
Moving contact fixing end include contact base 101, locking plate 102 and contact knife piece 103；Contact base 101 is fixedly mounted on disconnecting switch
Insulated terminal on, the top of the contact base 101 is fixed with locking plate 102, and angle is fixedly mounted on the locking plate 102
Sensor 104, rotary head and the contact knife piece 103 of angular transducer 104 are welded and fixed.When disconnecting switch is closed, contact knife piece 103103
Movable end move downward, fixing end rotates with it, at this time with contact knife piece 103 weld angular transducer 104 rotary head therewith
Rotation, angle tactility apparatus count internal angle, the model of angular transducer 104 can select SCA116 at this time.Similarly, it is fusing
Above structure setting angle sensor 104 can also be used in device.It is achieved in the switch of testing high voltage disconnecting switch and fuse
The purpose of state.
MCU controller 2 includes the main control chip and eeprom chip of model STM32F051C8T6, wherein EEPROM core
Piece can select model AT45DB family chip；The data pins phase of the data pins of main control chip and EEPROM storage chip
Connection.In order to guarantee that data power down is not lost, by main control chip receive sensor transmission data after, store first to
Eeprom chip is stored, and when sending data using NBIOT, main control chip is implemented to read the data in eeprom chip
And it sends.
As shown in figure 5, the output end of the output end of temperature sensor and angular transducer 104, double by connection copper core
Twisted wire 5 is connected to the input interface of MCU controller 2.Copper core twisted pair includes two twisted cores 501, further includes being coated on
The inorganic insulation layer 502 of the periphery of two cores and the polyvinyl chloride insulation sheath 503 being coated on outside inorganic insulation layer.Nothing
Machine insulating layer is filled using mica tape and Ceramic silicon rubber composite material.The output end and angular transducer of temperature sensor
104 output end is filled using copper core twisted pair, and in inside setting fire proofing material, compared with traditional rubber conducting wire, is extended
Service life, avoids cable aging, causes circuit on fire.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are not departing from the utility model
Principle and objective in the case where above-described embodiment can be changed in the scope of the utility model, modify, replace and
Modification.The scope of the utility model is by appended claims and its equivalent limits.
Claims (9)
1. a kind of high voltage isolator and fuse switch condition detecting system, including collector, MCU controller, channel radio
Believe circuit and power circuit；It is characterized in that, the collector includes temperature sensor and angular transducer；The temperature sensing
Device is fixed on the moving contact of high voltage isolator and fuse switch to be detected, and the angular transducer fixation is set
Set the fixing end of the moving contact in high voltage isolator and fuse switch；The temperature sensor and angular transducer difference
It is connected with MCU controller, the communication interface of the MCU controller is connected with telecommunication circuit, the power supply of the MCU controller
Interface is connected with the output end of power circuit；
The power circuit includes solar panel, battery and voltage conversion chip, the output of the solar panel
The electrode of end connection battery, the input terminal of the electrode connection voltage conversion chip of the battery, the voltage conversion chip
Output end connection MCU controller power interface.
2. high voltage isolator according to claim 1 and fuse switch condition detecting system, which is characterized in that institute
Stating radio communication circuit is any one in NBIOT communication module, GPRS communication module or Zigbee module.
3. high voltage isolator according to claim 2 and fuse switch condition detecting system, which is characterized in that institute
NBIOT communication module is stated, NBIOT communication unit, radio-frequency antenna and the match circuit of model BC26 are selected；The radio-frequency antenna
The communication pin of SIM card chip is connected, for SIM card chip by connection radio-frequency antenna and NBIOT base station communication, the NBIOT is logical
Letter module is connect with the UART of the main control chip of MCU controller communication pin；The clock pins of the NBIOT communication module with
The clock pins of SIM card chip are connected.
4. high voltage isolator according to claim 1 and fuse switch condition detecting system, which is characterized in that institute
The moving contact fixing end for stating disconnecting switch includes contact base, locking plate and contact knife piece；The contact base, which is fixedly mounted on, keeps apart
On the insulated terminal of pass, it is fixed with locking plate above the contact base, angular transducer is fixedly mounted on the locking plate,
The rotary head of the angular transducer is welded and fixed with contact knife piece.
5. high voltage isolator according to claim 1 and fuse switch condition detecting system, which is characterized in that electricity
The model MC34063 of conversion chip is pressed, the power pin of the voltage conversion chip connects the collector of the first triode, institute
State the anode of the base stage connection battery of the first triode.
6. high voltage isolator according to claim 1 and fuse switch condition detecting system, which is characterized in that institute
State the main control chip and eeprom chip that MCU controller includes model STM32F051C8T6, the number of the MCU main control chip
It is connected according to pin with the data pins of EEPROM storage chip.
7. high voltage isolator according to claim 1 and fuse switch condition detecting system, which is characterized in that institute
The output end of temperature sensor and the output end of angular transducer are stated, connection copper core twisted pair line connection to MCU controller is passed through
Input interface.
8. high voltage isolator according to claim 7 and fuse switch condition detecting system, which is characterized in that institute
Stating copper core twisted pair includes two twisted cores, further includes the inorganic insulation layer and cladding for being coated on the periphery of two cores
Polyvinyl chloride insulation sheath outside inorganic insulation layer.
9. high voltage isolator according to claim 8 and fuse switch condition detecting system, which is characterized in that institute
Inorganic insulation layer is stated to fill using mica tape and Ceramic silicon rubber composite material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821388702.1U CN209102867U (en) | 2018-08-28 | 2018-08-28 | High voltage isolator and fuse switch condition detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821388702.1U CN209102867U (en) | 2018-08-28 | 2018-08-28 | High voltage isolator and fuse switch condition detecting system |
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| CN209102867U true CN209102867U (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821388702.1U Active CN209102867U (en) | 2018-08-28 | 2018-08-28 | High voltage isolator and fuse switch condition detecting system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703161A (en) * | 2019-09-18 | 2020-01-17 | 国网江苏省电力有限公司淮安市洪泽区供电分公司 | Distribution lines fuse on-line monitoring system |
| CN110703162A (en) * | 2019-09-18 | 2020-01-17 | 国网江苏省电力有限公司淮安市洪泽区供电分公司 | Distribution lines fuse fault detection device |
| CN111077443A (en) * | 2019-12-30 | 2020-04-28 | 江苏紫喻智能科技有限公司 | Drop switch monitoring device |
| CN113129714A (en) * | 2021-05-11 | 2021-07-16 | 嘉宸科技(鞍山)有限公司 | Comprehensive experiment table for high-voltage electrician practice examination |
-
2018
- 2018-08-28 CN CN201821388702.1U patent/CN209102867U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110703161A (en) * | 2019-09-18 | 2020-01-17 | 国网江苏省电力有限公司淮安市洪泽区供电分公司 | Distribution lines fuse on-line monitoring system |
| CN110703162A (en) * | 2019-09-18 | 2020-01-17 | 国网江苏省电力有限公司淮安市洪泽区供电分公司 | Distribution lines fuse fault detection device |
| CN111077443A (en) * | 2019-12-30 | 2020-04-28 | 江苏紫喻智能科技有限公司 | Drop switch monitoring device |
| CN113129714A (en) * | 2021-05-11 | 2021-07-16 | 嘉宸科技(鞍山)有限公司 | Comprehensive experiment table for high-voltage electrician practice examination |
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