CN208781016U - Transformer station outdoor terminal box monitor controller based on wireless communication - Google Patents
Transformer station outdoor terminal box monitor controller based on wireless communication Download PDFInfo
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- CN208781016U CN208781016U CN201820756030.9U CN201820756030U CN208781016U CN 208781016 U CN208781016 U CN 208781016U CN 201820756030 U CN201820756030 U CN 201820756030U CN 208781016 U CN208781016 U CN 208781016U
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- 238000004891 communication Methods 0.000 title claims abstract description 43
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 238000007791 dehumidification Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 230000009466 transformation Effects 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000000116 mitigating effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013065 commercial product Substances 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000000422 nocturnal effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of transformer station outdoor terminal box monitor controller based on wireless communication mainly includes microprocessor, wireless communication module, the power circuit being connected with microprocessor, temperature and humidity measurement module, LCD display module, on-off control circuit, real time clock circuit, external interface circuit, reset circuit.The wireless communication module is connected with each other by RS485 transceiver and microprocessor；Dehumidification device in the output end connection terminal case of the on-off control circuit.The utility model can temperature and humidity environment in real-time monitoring transformer station outdoor terminal box, long-range control switching dehumidifier, both it ensure that temperature and humidity environment is in controllable, can control, in control state in terminal box, also greatly extended the service life of dehumidifier, while mitigating the burden of power transformation operation maintenance personnel.
Description
Technical field
The utility model relates to intelligent substation field of monitoring devices, more particularly to a kind of power transformation based on wireless communication
It stands Outdoor Terminal Case.
Background technique
Under southern sultry wet environment, generally there is dew condensation phenomenon in transformer station outdoor terminal box, solves condensation at present
Problem is mainly by being accomplished manually, and when detecting that temperature and humidity is excessively high in Outdoor Terminal Case, power transformation operation maintenance personnel passes through in switching case
Dehumidifier, achieve the purpose that reduce terminal box in temperature and humidity.With economic fast development, Internet of Things and intelligent equipment technology
The support to reach its maturity and Guo Wang company builds intelligent substationization, will lead to and guarantee in terminal box at temperature and humidity environment
In it is controllable, can control, increased considerably in the demand of the state of control.Furthermore with the continuous propulsion of the unattended work of substation,
Large-scale application there is an urgent need to the smart machine that can remotely monitor, remotely control mitigates the burden of power transformation operation maintenance personnel, allows fortune
Dimension personnel have more energy to put into live detection, power transformation is transported in inspection work.
Therefore it is urgent to provide a kind of novel transformer station outdoor terminal box monitor controllers to solve the above problems.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of transformer station outdoor terminal boxes based on wireless communication
Monitor controller, can temperature and humidity environment in real-time monitoring transformer station outdoor terminal box, realize that the sub- box temperature of remote monitoring end is wet
Degree.
In order to solve the above technical problems, the technical solution that the utility model uses is: providing a kind of based on channel radio
The transformer station outdoor terminal box monitor controller of letter is mainly connected including microprocessor, wireless communication module, with microprocessor
Power circuit, temperature and humidity measurement module, LCD display module, on-off control circuit；
The wireless communication module is connected with each other by RS485 transceiver and microprocessor；
Dehumidification device in the output end connection terminal case of the on-off control circuit.
In one preferred embodiment of the utility model, the transformer station outdoor terminal box monitor controller further include with
The connected real time clock circuit of microprocessor, external interface circuit, reset circuit.
Further, the microprocessor uses PIC single chip microcomputer, and the PIC single chip microcomputer is surveyed by SPI interface and temperature and humidity
It is connected to measure module, LCD display module, is connected by UART interface with RS485 transceiver.
Further, the wireless communication module passes through WiFi using WiFi module or ZigBee module or bluetooth module
Or the temperature and humidity information of acquisition is uploaded to host computer terminal box of transformer substation environmental monitoring by ZigBee or Bluetooth wireless communication mode
Terminal.
Further, the wireless communication module is connected by UART interface with RS485 transceiver.
Further, the temperature and humidity measurement module uses DHT11 Temperature Humidity Sensor, for the temperature in detection terminal case
Degree and humidity.
Further, the on-off control circuit includes solid-state relay, realizes the on-off control of dehumidifier.
Further, an output end of the solid-state relay is connected by fastp-acting fuse of connecting with dehumidification device,
Overpressure absorbing circuit is parallel between the output end and dehumidification device of solid-state relay.
The beneficial effects of the utility model are:
(1) the utility model can temperature and humidity environment in real-time monitoring transformer station outdoor terminal box, it is long-range to control switching dehumidifying
Device both ensure that temperature and humidity environment is in controllable, can control, in control state in terminal box, also greatly extended making for dehumidifier
With the service life, while mitigating the burden of power transformation operation maintenance personnel；
(2) the utility model using temperature and humidity measurement module real-time measurement and acquires the letter of the temperature and humidity in each Outdoor Terminal Case
Breath, dehumidifier working condition, it is ensured that temperature and humidity is in the monitoring state in terminal box；Outdoor terminal is realized using wireless communication module
The bidirectional data transfers of box temperature humidity environment monitor and monitor terminal report the temperature and humidity information of terminal box and make each dehumidifier
The centralized management control of monitor terminal in receiving station；Realize that the on-off of dehumidification device controls using on-off control circuit；
(3) the utility model realizes the intelligent measurement of temperature and humidity, intelligent control in transformer station outdoor terminal box, can make to hold
Environment is in good epidemic disaster state in sub- case, reduces the incidence of Outdoor Trusses For Transformer Substation terminal condensation, it is ensured that outdoor terminal
The safe operation of secondary circuit in case has huge impetus to intelligent substation detection, intelligent use development, being capable of band
Carry out huge Social benefit and economic benefit.
Detailed description of the invention
Fig. 1 is transformer station outdoor terminal box monitor controller one preferred embodiment of the utility model based on wireless communication
Structural block diagram；
Fig. 2 is the principle of one preferred embodiment of transformer station outdoor terminal box monitor controller based on wireless communication
Block diagram；
Fig. 3 is the circuit diagram of the on-off control circuit；
Fig. 4 is the circuit diagram of the wireless communication module Yu RS485 transceiver；
The components in the drawings are labeled as follows: 1, RS485 transceiver, 2, wireless communication module, 3, solid-state relay.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Fig. 1 and Fig. 2 are please referred to, the utility model embodiment includes:
A kind of transformer station outdoor terminal box monitor controller based on wireless communication mainly includes microprocessor, wireless
Communication module, the power circuit being connected with microprocessor, temperature and humidity measurement module, LCD display module, on-off control circuit, reality
When clock circuit, external interface circuit, reset circuit.The wireless communication module passes through RS485 transceiver and microprocessor phase
It connects；Dehumidification device in the output end connection terminal case of the on-off control circuit.
Alternating current 220V is converted to direct current 5V, 3.3V by the power circuit, is provided power supply for other modules and is supported, actually answers
With the secondary execution conditions in middle consideration scene, it can design and directly utilize dry cell power supply.The temperature and humidity measurement module is selected extensive
Detection of the DHT11 Temperature Humidity Sensor of application as temperature and humidity, realizes the metering of temperature and humidity parameter, which includes
One resistance-type humidity sensing element and a NTC temperature element, and be connected with 8 single-chip microcontrollers of a high-performance.The LCD is shown
Module uses LCD display.
Preferably, the monitor controller is using a 16 PIC single chip microcomputers of Microchip company as micro- place
Device is managed, PIC single chip microcomputer possesses sufficient memory space, and has powerful peripheral hardware, the interface as device and the external world, such as SPI,
UART interface.As shown in Figure 1, the PIC single chip microcomputer is connected by SPI interface with temperature and humidity measurement module, LCD display module,
It is connected by UART interface with RS485 transceiver.The real time clock circuit, external interface circuit, reset circuit are PIC monolithic
The functional circuit of machine.
The on-off control circuit using can direct current input control, alternating current zero crossing conducting zero-crossing switching, output type is contactless
Solid-state relay, realize terminal box in dehumidifier on-off control, input and output use Phototube Coupling, fire-retardant engineering material
Epoxy sealing, therefore, the ratio with di/dt is small, and starting performance is steady, small to power grid radiation interference, and when shutdown can reduce sense
Property load counter electromotive force.Preferably, the solid-state relay (SSR) using E1042-32k (direct current control AC type) solid-state after
Electric appliance, E series have the following characteristics that
1, input control voltage is low (3~14Vdc), and input control electric current is smaller (8-40mA), input control voltage and TTL
Equal level are compatible, and direct current or pulse voltage could act as input control voltage.
2, input and output use Phototube Coupling, and light current is completely isolated with forceful electric power, and, starting performance strong with weak control may be implemented
Steadily, small to power grid interference radiation.
3, output non-contact, no-spark, small in size, light weight, noiseless, the service life is long, switching speed is fast, reliable operation,
And it is impact resistance, moisture resistant, anticorrosive.
In conjunction with Fig. 3, an output end of the solid-state relay is connected by fastp-acting fuse of connecting with dehumidification device, solid-state
It is parallel with overpressure absorbing circuit between the output end and dehumidification device of relay, overpressure absorbing circuit is made of varistor.
The wireless communication module using WiFi module or ZigBee module or bluetooth module, by WiFi or ZigBee or
The temperature and humidity information of acquisition is uploaded to host computer terminal box of transformer substation environmental monitoring terminal by Bluetooth wireless communication mode.It is described
WiFi module or ZigBee module or bluetooth module are packaged commercial product.The wireless communication module and RS485 are received
The circuit diagram of device is sent out referring to Fig. 4, the wireless communication module passes through with RS485 interface by taking ZigBee module as an example
RX2, TX2 receive and dispatch 485 level, since the UART serial ports output of PIC single chip microcomputer is Transistor-Transistor Logic level, are received and dispatched by connection low-power consumption 485
Device MAX485 come realize Transistor-Transistor Logic level and 485 level transmitting-receiving conversion.RX2, TX2 interface of wireless communication module pass through one respectively
DATA, RUN, NET, ALARM interface of B, A interface tandem of a 200 Ω resistance and RS485 transceiver, wireless communication module are equal
It connects and a LED light and 1K resistance and is connected with 3.3V voltage respectively, LED light is for showing the interface shape of wireless communication module
State.The wireless communication module reads the director data of PIC single chip microcomputer by RS485 transceiver, and will execute the sound after ordering
Information is answered to be sent to host computer environmental monitoring terminal.
The utility model using temperature and humidity measurement module real-time measurement and acquire the temperature and humidity information in each Outdoor Terminal Case,
Dehumidifier working condition, it is ensured that temperature and humidity is in the monitoring state in terminal box；Dehumidification device is realized using on-off control circuit
On-off control；Realize that the bi-directional data of Outdoor Terminal Case temperature and humidity environmental monitor and monitor terminal passes using wireless communication module
It is defeated, report the centralized management control of monitor terminal in the temperature and humidity information of terminal box and Shi Ge dehumidifier receiving station.
In the apparatus, core of the microprocessor as temperature and humidity monitoring controller controls each module coordination operation,
Temperature and humidity monitoring controller is set to realize its basic function.The PIC single chip microcomputer mainly completes following task: right when 1. powering on
DHT11 carries out Initialize installation, makes its precise measurement；2. reading the data of the Temperature and Humidity module of DHT11 and being stored in its data storage
In；3. carrying out serial communication by UART interface and external RS485 transceiver and wireless communication module, wireless communication module is obtained
It from the received control command of ipc monitor terminal and executes, by response message, module is wirelessly returned by wireless communication
Give ipc monitor terminal；4. control LCD screen is shown to LCD display module output data；5. ordering control solid-state according to receiving
Relay on-off, and then control the operation of dehumidification equipment.
In conjunction with Fig. 2, can be acquired in real time in each terminal box by installing the monitor controller in slave computer terminal box
Temperature and humidity information, and information is uploaded to by host computer terminal box of transformer substation ring by WiFi or ZigBee or Bluetooth wireless communication
Border monitor terminal, while the order of host computer terminal box of transformer substation environmental monitoring terminal is received, throw the dehumidifying dress moved back in terminal box
It sets, realizes that terminal box temperature and humidity is remotely monitored, remotely controlled.In addition, according to the Goff-Gratch formula set in microprocessor,
The terminal box monitor controller can carry out existing water vapor content in case and nocturnal temperature low spot saturated steam content
Comparison judges whether to put into dehumidification device.
The utility model is suitable for the monitoring and control of extra-high voltage station Outdoor Terminal Case temperature and humidity, acquires temperature and humidity using it
Whether information analysis is it is necessary to put into dehumidifier, when need to put into dehumidifier, can remotely direct plunge into dehumidifier, realize substation
The intelligent measurement of temperature and humidity, intelligent control in Outdoor Terminal Case can make environment in terminal box be in good epidemic disaster state,
Reduce the incidence of Outdoor Trusses For Transformer Substation terminal condensation, it is ensured that the safe operation of secondary circuit in Outdoor Terminal Case both ensure that
Temperature and humidity environment is in controllable, can control, in control state in terminal box, also greatly extends the service life of dehumidifier, simultaneously
Mitigate the burden of power transformation operation maintenance personnel.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (5)
1. a kind of transformer station outdoor terminal box monitor controller based on wireless communication, which is characterized in that mainly include micro- place
Manage device, wireless communication module, the power circuit being connected with microprocessor, temperature and humidity measurement module, LCD display module, on-off control
Circuit processed；
The wireless communication module is connected with each other by RS485 transceiver and microprocessor；
The temperature and humidity measurement module uses DHT11 Temperature Humidity Sensor；
Dehumidification device in the output end connection terminal case of the on-off control circuit, wherein the on-off control circuit includes
One output end of solid-state relay, the solid-state relay is connected by fastp-acting fuse of connecting with dehumidification device, solid-state relay
It is parallel with overpressure absorbing circuit between the output end and dehumidification device of device, overpressure absorbing circuit is made of varistor.
2. the transformer station outdoor terminal box monitor controller according to claim 1 based on wireless communication, feature exist
In further including the real time clock circuit, external interface circuit, reset circuit being connected with microprocessor.
3. the transformer station outdoor terminal box monitor controller according to claim 1 or 2 based on wireless communication, feature
It is, the microprocessor uses PIC single chip microcomputer, and the PIC single chip microcomputer is aobvious by SPI interface and temperature and humidity measurement module, LCD
Show that module is connected, is connected by UART interface with RS485 transceiver.
4. the transformer station outdoor terminal box monitor controller according to claim 1 or 2 based on wireless communication, feature
It is, the wireless communication module is using WiFi module or ZigBee module or bluetooth module.
5. the transformer station outdoor terminal box monitor controller according to claim 4 based on wireless communication, feature exist
In the wireless communication module is connected by UART interface with RS485 transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756030.9U CN208781016U (en) | 2018-05-21 | 2018-05-21 | Transformer station outdoor terminal box monitor controller based on wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820756030.9U CN208781016U (en) | 2018-05-21 | 2018-05-21 | Transformer station outdoor terminal box monitor controller based on wireless communication |
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| Publication Number | Publication Date |
|---|---|
| CN208781016U true CN208781016U (en) | 2019-04-23 |
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| CN201820756030.9U Active CN208781016U (en) | 2018-05-21 | 2018-05-21 | Transformer station outdoor terminal box monitor controller based on wireless communication |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515333A (en) * | 2019-08-28 | 2019-11-29 | 国家电网有限公司 | A kind of intelligent things terminal box, ubiquitous electric power platform of internet of things and its application method |
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2018
- 2018-05-21 CN CN201820756030.9U patent/CN208781016U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110515333A (en) * | 2019-08-28 | 2019-11-29 | 国家电网有限公司 | A kind of intelligent things terminal box, ubiquitous electric power platform of internet of things and its application method |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee after: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Patentee after: STATE GRID CORPORATION OF CHINA Address before: 230051 No.397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province Patentee before: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Patentee before: State Grid Corporation of China |
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| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee after: Super high voltage branch of State Grid Anhui Electric Power Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061 Patentee before: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Patentee before: STATE GRID CORPORATION OF CHINA |