CN206610126U - A kind of information acquisition terminal applied to power distribution station - Google Patents
A kind of information acquisition terminal applied to power distribution station Download PDFInfo
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- CN206610126U CN206610126U CN201720174834.3U CN201720174834U CN206610126U CN 206610126 U CN206610126 U CN 206610126U CN 201720174834 U CN201720174834 U CN 201720174834U CN 206610126 U CN206610126 U CN 206610126U
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Abstract
The utility model discloses a kind of information acquisition terminal applied to power distribution station; it includes controller, data remote transmitting device, electric equipment operation environment data acquisition device, metering electric energy meter, residual current operated protective device, line-failure indicator and electric terminal radio temperature sensor; described electric equipment operation environment data acquisition device, metering electric energy meter, residual current operated protective device, line-failure indicator and electric terminal radio temperature sensor is connected with controller respectively, and the controller is by data remote transmitting device by the data output of collection.The utility model can realize science to power distribution station, effective, intelligentized management, and the basic datas such as low-voltage circuit voltage, electric current, residual current can be obtained in real time；The platform area running state data of acquisition is more accurately and reliably so that electric company has science, accurate valid data in the work such as Controlling line loss, voltage management and reliability management of power supply.
Description
Technical field
The utility model is related to a kind of information collecting device, specifically a kind of information gathering applied to power distribution station
Terminal, belongs to power dispatching data acquisition technique field.
Background technology
Growing with social economy and power domain, controller switching equipment has been obtained increasingly being widely applied, and it is counted
Amount is also on the increase, and the safety and stability of controller switching equipment is directly connected to the reliability service of power distribution network, in order to ensure electrical equipment
Normal operation, prevent electric power accident, so in time obtain controller switching equipment ambient parameter and operational factor it is just most important.
At present, science, effective means are also lacked in the management work of power distribution station and to obtain low-voltage circuit electricity in real time
The basic datas such as pressure, electric current, residual current, can only rely on survey crew.Arrived by survey tools such as universal meter, clamps on amperemeter
Power distribution station carries out field survey, had both caused the waste of the resources such as human and material resources, and there is potential safety hazard to a certain extent.
At the same time, because the geographical position of controller switching equipment increasingly disperses, the position of especially many controller switching equipments is again
Very remote, therefore, this undoubtedly brings very big difficulty to the regular visit of controller switching equipment, if being measured one by one by staff
And controller switching equipment is checked, this not only wastes time and energy, nor can comprehensively reflect the real running situation of controller switching equipment in time
With failure situation, so that the maintenance and maintenance to controller switching equipment are not easy to very much, so as to also reduce the workability of controller switching equipment
Energy and security performance.
Utility model content
In view of the shortcomings of the prior art, the utility model proposes a kind of information acquisition terminal applied to power distribution station,
It can effectively obtain the related data of power distribution station, be easy to maintenance and maintenance to controller switching equipment.
The technical scheme in the invention for solving the technical problem is：A kind of information gathering applied to power distribution station
Terminal, it is characterized in that, including controller, data remote transmitting device and the electric equipment operation environment number being arranged in platform area power distribution cabinet
According to harvester, metering electric energy meter and residual current operated protective device in the power distribution cabinet mesolow outlet of platform area are arranged on, and set
Line-failure indicator and electric terminal radio temperature sensor on platform area electrical equipment, described electric equipment operation ring
Border data acquisition device, metering electric energy meter, residual current operated protective device, line-failure indicator and electric terminal wireless temperature sensing
Device is connected with controller respectively, and the controller is by data remote transmitting device by the data output of collection；The electrical equipment fortune
Row environment data acquisition device includes Temperature Humidity Sensor, water sensor, point-type sense cigarette device and signal processing apparatus, the temperature
The output end of humidity sensor, water sensor and point-type sense cigarette device is respectively connecting to the input of the signal processing apparatus；
The output end of the signal processing apparatus is connected to the input of the controller.
Preferably, the signal processing apparatus includes low pass filter, signal amplifier, photoisolator and driving buffering
Circuit, the input of the low pass filter respectively with temperature sensor, humidity sensor, water sensor and point-type sense cigarette device
Output end connection, input connection, the output of the signal amplifier of the output end of low pass filter and signal amplifier
End is connected with the input of photoisolator, and the output end of the photoisolator is connected with the input of driving buffer circuit,
The output end of the driving buffer circuit and the input of controller module are connected.
Preferably, the electric terminal radio temperature sensor includes temperature sensor, measuring circuit, logic control circuit
With 2.4G wireless transceiver circuits, the output end of the temperature sensor and the input of measuring circuit are connected, the measuring circuit
Output end and the input of logic control circuit connect, the output end of the logic control circuit and 2.4G wireless transceiver circuits
Connection.
Preferably, the controller include ARM microprocessor and be connected respectively with ARM microprocessor memory,
RS485 interfaces, RS232 interfaces, NRF905 radio transmitting and receiving chips, LCD display and audible-visual annunciator, the ARM microprocessor
By RS485 interfaces respectively with electric equipment operation environment data acquisition device, metering electric energy meter, residual current operated protective device and line
Line fault indicator is connected, ARM microprocessor by NRF905 radio transmitting and receiving chips and electric terminal radio temperature sensor without
Line is connected, and ARM microprocessor is connected by RS232 interfaces with data remote transmitting device.
Preferably, the data remote transmitting device includes GPRS communication modules or cdma communication module.
The beneficial effects of the utility model are as follows：
After said structure, the utility model can realize science to power distribution station, effective, intelligentized management,
The basic datas such as low-voltage circuit voltage, electric current, residual current can be obtained in real time；The platform area running state data of acquisition is more accurate
It is really reliable so that electric company has science in the work such as Controlling line loss, voltage management and reliability management of power supply, accurate
Valid data.Monitoring reduces the time of platform area fault discovery and processing to the utility model in real time simultaneously, improves power network
Reliability of operation.
The utility model uses flexible system architecture, according to field demand, can carry out different configurations to realize difference
Function；Using the micro power radio communication mode of frequency hopping automatic network-building, power distribution station supervising device is suitable for low-voltage distribution
The change conditions of net.The utility model is applied to the monitoring of power distribution network power distribution station.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of electric equipment operation environment data acquisition device described in the utility model；
Fig. 3 is the structural representation of electric terminal radio temperature sensor described in the utility model；
Fig. 4 is the structural representation of controller described in the utility model.
Embodiment
For the technical characterstic for illustrating this programme can be understood, below by embodiment, and its accompanying drawing is combined, to this reality
It is described in detail with new.It is of the present utility model for realizing that following disclosure provides many different embodiments or example
Different structure.In order to simplify disclosure of the present utility model, hereinafter the part and setting of specific examples are described.In addition,
The utility model can in different examples repeat reference numerals and/or letter.This repetition is for simplified and clear mesh
, the relation between discussed various embodiments itself are not indicated and/or are set.It should be noted that illustrated in the accompanying drawings
Part is not drawn necessarily to scale.The utility model eliminates the description to known assemblies and treatment technology and process to avoid not
Necessarily limit the utility model.
As depicted in figs. 1 and 2, a kind of information acquisition terminal applied to power distribution station of the present utility model, it includes setting
Controller, data remote transmitting device and electric equipment operation environment data acquisition device in Zhi Tai areas power distribution cabinet, are arranged on platform
Metering electric energy meter and residual current operated protective device in area's power distribution cabinet mesolow outlet, and the line being arranged on platform area electrical equipment
Line fault indicator and electric terminal radio temperature sensor, described electric equipment operation environment data acquisition device, metering
Electric energy meter, residual current operated protective device, line-failure indicator and electric terminal radio temperature sensor are connected with controller respectively,
The controller is by data remote transmitting device by the data output of collection；The electric equipment operation environment data acquisition device bag
Include Temperature Humidity Sensor, water sensor, point-type sense cigarette device and signal processing apparatus, the Temperature Humidity Sensor, water logging sensing
The output end of device and point-type sense cigarette device is respectively connecting to the input of the signal processing apparatus；The signal processing apparatus it is defeated
Go out the input that end is connected to the controller.
As shown in Fig. 2 the signal processing apparatus includes low pass filter, signal amplifier, photoisolator and driving
Buffer circuit, the input of the low pass filter respectively with temperature sensor, humidity sensor, water sensor and point-type sense
The input connection of the output end connection of cigarette device, the output end of low pass filter and signal amplifier, the signal amplifier
The input connection of output end and photoisolator, the output end and the input of driving buffer circuit of the photoisolator connect
Connect, the output end of the driving buffer circuit and the input of controller module are connected.
As shown in figure 3, the electric terminal radio temperature sensor includes temperature sensor, measuring circuit, logic control
Circuit and 2.4G wireless transceiver circuits, the output end of the temperature sensor and the input of measuring circuit are connected, the measurement
The output end of circuit and the input of logic control circuit are connected, output end and the 2.4G wireless receiving and dispatchings of the logic control circuit
Circuit is connected.Wherein, temperature measurement range：- 55~+125, precision：± 0.5 DEG C (- 20~+80 DEG C), resolution ratio：0.0625
DEG C, the temperature survey cycle：About 75s, outdoor type transmission range：Less than 300 meters, radio frequency standard：IEEE802.15.4, while wirelessly
Temperature sensor can be prevented using (shell sizes a length of 50mm, a width of 30mm, a height of 16mm) in integrated casing structure, its waterproof
Dirt, no external antenna prevents from producing point discharge phenomenon under hyperbaric environment, and has extraction temperature probe, is adapted to temperature-measuring range
It is dynamic in environment less than 125 DEG C, another aspect compact, it is adaptable to which switch cabinet temperature hot junction is measured, measurement switch cubicle
The running temperature of contact, lead cable joint and bus tie point, and monitor outer high-tension apparatus connector temperature.Temperature sensor
Using AD7814 digital temperature sensors, encapsulated using SOT-23 or 8 pin μ SOIC, a built-in Band-gap Temperature Sensor and
One 10 ADC, for monitoring temperature reading and carrying out digital conversion, resolution ratio is 0.25 DEG C, and temperature measurement range is -40 DEG C
To+125 DEG C, temperature accuracy is ± 2 DEG C, and also with standby mode, power consumption can be down to 1 μ A under this pattern.
As shown in figure 4, the controller include ARM microprocessor and be connected respectively with ARM microprocessor memory,
RS485 interfaces, RS232 interfaces, NRF905 radio transmitting and receiving chips, LCD display and audible-visual annunciator, the ARM microprocessor
By RS485 interfaces respectively with electric equipment operation environment data acquisition device, metering electric energy meter, residual current operated protective device and line
Line fault indicator is connected, ARM microprocessor by NRF905 radio transmitting and receiving chips and electric terminal radio temperature sensor without
Line is connected, and ARM microprocessor is connected by RS232 interfaces with data remote transmitting device.
NRF905 radio transmitting and receiving chips use the nRF905 model chips of NORDIC companies, work in 915M frequency ranges, communicate
Stable, strong interference immunity, has further the advantage that simultaneously：(1) 915MHZ (the free frequencies of the frequency range at present for country are worked in
Section), (2) receive sending function unification, and transmitting-receiving completes interrupt identification, and (3) 170 channels, can meet multi-point communication and frequency hopping is logical
News demand, realizes that networking is communicated, TDMA-CDMA-FDMA, and 8/16 CRC check of (4) built in hardware develops simpler, data are passed
Defeated reliable and stable, (5) operating voltage 1.9-3.6V, low-power consumption, standby mode only 2.5uA, (6) receiving sensitivity reaches -100dBm,
(7) transceiving mode switch time<650us, (8) are at most transmittable every time to receive 32 bytes, and can software design patterns transmission/reception delay
Rush the byte of area's size 2/4/8/16/32, (9) module can software set address, when only receiving the machine address just can output data (carry
Indicated for interrupting), it can directly connect various single-chip microcomputers and use, software programming is very convenient, the milliwatt of (10) maximum transmission power 10, hair
Emission mode：Maximum current<30mA；Reception pattern：Electric current 12.2mA, SPI interface built in (11) also can intend SPI by I/O mouth molds
Realize, highest SPI clocks are up to 10M, and (12) standard DIP spacing interfaces are easy to Embedded Application, (13) size is compact, is free of
Antenna 30mm*19mm；Standard configuration short cylinder antenna, can match other, (14) emission rate 50Kbps, and external antenna, field can
Depending on 200 meters of communication distance, 3-6 layers of achievable reliable communication of indoor communications, strong anti-interference performance.Preferably, the data remote
Device includes GPRS communication modules or cdma communication module.
The residual current operated protective device is arranged in the power distribution cabinet mesolow outlet of platform area, " the remaining electricity used instead of the past
Flow time pulse relay+A.C. contactor " protected mode.It has 485 communication interfaces, it is adaptable to which three-phase and four-line neutral point directly connects
The low voltage electric network on ground, possesses the defencive functions such as overload, short-circuit, under-voltage, over-pressed, residual current, the disconnected neutral conductor, phase shortage, phase sequence；Also
Need to possess the functions such as the measurement of 400V power networks major parameter, failure logging, and with long-range point/close control, point/close signal output and
Communication interface, reaches low voltage electric network upgrading intelligent management.
The utility model can realize science to power distribution station, effective, intelligentized management, and low pressure can be obtained in real time
The basic datas such as line voltage distribution, electric current, residual current；The platform area running state data of acquisition is more accurately and reliably so that power supply
Company has science, accurate valid data in the work such as Controlling line loss, voltage management and reliability management of power supply.Simultaneously
Monitoring reduces the time of platform area fault discovery and processing to the utility model in real time, improves the reliability of operation of power networks.This
It can effectively obtain the related data of power distribution station to utility model, be easy to maintenance and maintenance to controller switching equipment, it is adaptable to match somebody with somebody
The monitoring of power network power distribution station.
Simply preferred embodiment of the present utility model described above, comes for those skilled in the art
Say, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improvements and modifications also by
It is considered as protection domain of the present utility model.
Claims (5)
1. a kind of information acquisition terminal applied to power distribution station, it is characterized in that, including the control being arranged in platform area power distribution cabinet
Device, data remote transmitting device and electric equipment operation environment data acquisition device, are arranged in the power distribution cabinet mesolow outlet of platform area
Metering electric energy meter and residual current operated protective device, and the line-failure indicator and electric terminal being arranged on platform area electrical equipment
Radio temperature sensor, described electric equipment operation environment data acquisition device, metering electric energy meter, residual current operated protective device,
Line-failure indicator and electric terminal radio temperature sensor are connected with controller respectively, and the controller passes through data remote
Device is by the data output of collection；The electric equipment operation environment data acquisition device includes Temperature Humidity Sensor, water logging and passed
Sensor, point-type sense cigarette device and signal processing apparatus, the output end of the Temperature Humidity Sensor, water sensor and point-type sense cigarette device
It is respectively connecting to the input of the signal processing apparatus；The output end of the signal processing apparatus is connected to the controller
Input.
2. a kind of information acquisition terminal applied to power distribution station according to claim 1, it is characterized in that, at the signal
Managing device includes low pass filter, signal amplifier, photoisolator and driving buffer circuit, the input of the low pass filter
The output end respectively with temperature sensor, humidity sensor, water sensor and point-type sense cigarette device is held to be connected, low pass filter
The input connection of output end and signal amplifier, the input of the output end of the signal amplifier and photoisolator connect
Connect, the output end of the photoisolator is with driving the input of buffer circuit to be connected, the output end of the driving buffer circuit
It is connected with the input of controller module.
3. a kind of information acquisition terminal applied to power distribution station according to claim 1, it is characterized in that, it is described electrically to connect
Point radio temperature sensor includes temperature sensor, measuring circuit, logic control circuit and 2.4G wireless transceiver circuits, the temperature
The input of the output end and measuring circuit of spending sensor is connected, the output end of the measuring circuit and logic control circuit it is defeated
Enter end connection, the output end of the logic control circuit is connected with 2.4G wireless transceiver circuits.
4. a kind of information acquisition terminal applied to power distribution station according to claims 1 to 3 any one, its feature
It is that the controller includes ARM microprocessor and the memory, RS485 interfaces, the RS232 that are connected respectively with ARM microprocessor
Interface, NRF905 radio transmitting and receiving chips, LCD display and audible-visual annunciator, the ARM microprocessor pass through RS485 interfaces point
Do not connect with electric equipment operation environment data acquisition device, metering electric energy meter, residual current operated protective device and line-failure indicator
Connect, ARM microprocessor passes through NRF905 radio transmitting and receiving chips and electric terminal radio temperature sensor wireless connection, the micro- places of ARM
Reason device is connected by RS232 interfaces with data remote transmitting device.
5. a kind of information acquisition terminal applied to power distribution station according to claim 4, it is characterized in that, the data are remote
Passing device includes GPRS communication modules or cdma communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720174834.3U CN206610126U (en) | 2017-02-24 | 2017-02-24 | A kind of information acquisition terminal applied to power distribution station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720174834.3U CN206610126U (en) | 2017-02-24 | 2017-02-24 | A kind of information acquisition terminal applied to power distribution station |
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| CN206610126U true CN206610126U (en) | 2017-11-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509340A (en) * | 2018-10-31 | 2019-03-22 | 郑州福禄源电子科技有限公司 | A kind of management system and method for electric instrument |
-
2017
- 2017-02-24 CN CN201720174834.3U patent/CN206610126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109509340A (en) * | 2018-10-31 | 2019-03-22 | 郑州福禄源电子科技有限公司 | A kind of management system and method for electric instrument |
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