CN213338399U - Acquisition system for running information of generator of radial-flow small hydropower station - Google Patents

Acquisition system for running information of generator of radial-flow small hydropower station Download PDF

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Publication number
CN213338399U
CN213338399U CN202022927392.XU CN202022927392U CN213338399U CN 213338399 U CN213338399 U CN 213338399U CN 202022927392 U CN202022927392 U CN 202022927392U CN 213338399 U CN213338399 U CN 213338399U
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China
Prior art keywords
circuit
module
pin
generator
acquisition
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CN202022927392.XU
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Chinese (zh)
Inventor
宋志刚
江盼
陈乃兴
苟海峰
金仲霞
张全娥
熊利锋
赵关义
李洋
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State Grid Gansu Electric Power Co Longnan Power Supply Co
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State Grid Gansu Electric Power Co Longnan Power Supply Co
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Abstract

The utility model discloses an acquisition system for running information of a generator of a radial-flow small hydropower station, which comprises a main control module, wherein the main control module is respectively connected with a power module, a generator running information acquisition module, an information interaction module, a communication module and a positioning module; an antenna module is connected between the communication module and the positioning module, and the power supply module is respectively connected with the generator operation information acquisition module and the positioning module. The utility model relates to an acquisition system for little power station generator operation information of runoff formula has solved the little power station informationization degree of the remote mountain area that exists among the prior art and has hanged down, is difficult to the problem of optimizing the dispatch.

Description

Acquisition system for running information of generator of radial-flow small hydropower station
Technical Field
The utility model belongs to the technical field of the automatic collection of electric power information, concretely relates to a collection system for little power station generator running information of runoff formula.
Background
China is rich in hydroelectric resources, and the total quantity of reserve is top worldwide. Through years of development, not only large main flow hydropower stations represented by three gorges, creek, white crane beach and the like are built in China, but also countless small hydropower stations are developed in succession. The small hydropower stations can root in the ground in a plurality of remote mountain areas due to the advantages of small investment, low construction difficulty and the like, so that not only are water resources effectively utilized, but also the power supply of adjacent areas is guaranteed.
At present, many small hydropower stations in remote mountain areas are generally radial-flow hydropower stations, have no storage capacity and no regulating capacity, and part of the hydropower stations are distributed in the same basin to form a cascade hydropower station. Meanwhile, most of the small hydropower stations are operated by connecting to the grid through 35KV or 10KV distribution lines due to low installed capacity. Therefore, when a water-rich period comes, due to the fact that a scheduling end lacks operation information of the power station, a large number of small hydropower stations in the region cannot be optimally scheduled, so that partial power stations compete for surfing the internet, the problems that the voltage of a line is out of limit, the line loss is high and the like occur, and the partial power stations cannot be operated in a grid-connected mode in severe cases.
For the current situations of low informatization degree and poor economic benefit of small hydropower stations in remote mountain areas, if large-scale informatization transformation is adopted, the problems of long construction period and large investment fund amount exist, the normal operation of the hydropower stations is influenced, and the economic feasibility is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a collection system for little power station generator running information of runoff formula has solved the little power station informationization degree of the remote mountain area that exists among the prior art and has hanged down, is difficult to the problem of optimal scheduling.
The utility model adopts the technical scheme that the acquisition system for the running information of the generator of the radial-flow small hydropower station comprises a main control module, wherein the main control module is respectively connected with a power module, a generator running information acquisition module, an information interaction module, a communication module and a positioning module;
an antenna module is connected between the communication module and the positioning module, and the power supply module is respectively connected with the generator operation information acquisition module and the positioning module.
The utility model discloses a characteristics still lie in:
the main control module comprises an ARM chip and a basic auxiliary circuit thereof, the basic auxiliary circuit is connected with the crystal oscillator, the ARM chip is connected with the crystal oscillator through a 8 th pin and a 9 th pin, and the ARM chip is connected with the clock through a 23 rd pin and a 24 th pin.
The power supply module comprises a battery, a charging circuit, a power supply circuit and a conversion circuit; the power circuit is connected with the battery through the conversion circuit, converts a 5V direct current power supply into a 3.3V direct current power supply, is connected with a 134 th pin and a 135 th pin of the ARM chip, and is connected with the positioning module; and a charging interface of the charging circuit is connected with the battery through the protection circuit.
The generator operation information acquisition module comprises a generator active power output acquisition circuit, a generator reactive power output acquisition circuit, a generator operation environment temperature and humidity acquisition circuit and a generator field operation image acquisition circuit;
the generator active power output acquisition circuit and the generator reactive power output acquisition circuit are respectively connected with the filter circuit; the temperature and humidity acquisition circuit of the running environment of the generator is connected with the temperature and humidity sensor through a resistor; the generator field operation image acquisition circuit is respectively connected with the image acquisition sensor through a 16 th pin and a 17 th pin of a MAX3232 chip and is connected with a 101 th pin and a 102 th pin of an ARM chip in the main control module.
The information interaction module comprises a high-definition display screen circuit, a keyboard circuit and a USB interface circuit;
the high-definition display screen circuit is connected with pins 58-68 and pins 77-79 of the ARM chip; the keyboard circuit is connected with a 1 st pin, a 2 nd pin, a 141 th pin and a 142 th pin of the ARM chip through resistors and is connected with a 3.3V interface of the power supply circuit; the USB interface single path is connected with the ARM chip through a 103 th pin and a 104 th pin.
The communication module comprises a GSM communication circuit and a 4G communication circuit; the GSM communication circuit is connected with 98 th-113 th pins of the ARM chip through the SD chip; the 4G communication circuit is connected with 98 th-113 th pins of the ARM chip through the SD chip; the SD chip is connected with the power supply module.
The positioning module comprises a GPS positioning chip, and the GPS positioning chip is connected with the 36 th pin, the 37 th pin and the 91 th pin of the ARM chip and is connected with a 5V interface of the power supply circuit.
The antenna module comprises a communication antenna and a GPS antenna; the communication antenna is respectively plugged with the GSM communication circuit and the 4G communication circuit; the GPS antenna is plugged with the GPS communication circuit.
The utility model has the advantages that:
the utility model relates to a collection system for running information of radial-flow type small hydropower station generator, which realizes the automatic collection of running parameters of the small hydropower station hydraulic generator and can realize remote transmission through a wireless network, thereby enabling a dispatching end to master information such as output parameters of the hydropower station in time, further making reasonable adjustment and further reducing the water abandoning amount of the hydropower station; the utility model relates to an acquisition system for running information of a radial-flow small hydropower station generator, which can effectively solve the problems that a plurality of small hydropower stations are simultaneously connected to the grid to run in a rich water period, the bus voltage is out of limit, the line loss is high and the like; the utility model relates to an acquisition system for little power station generator operation information of runoff formula can reduce little power station's cost, improves little power station's economic benefits.
Drawings
Fig. 1 is a schematic diagram of an acquisition system for running information of a generator of a radial small hydropower station according to the present invention;
fig. 2 is a circuit diagram of a main control module in the acquisition system for running information of the generator of the radial small hydropower station of the utility model;
fig. 3 is a circuit diagram of a power module in the acquisition system for running information of the generator of the radial small hydropower station of the utility model;
fig. 4 is a circuit diagram of a generator operation information acquisition module in an acquisition system for generator operation information of a radial small hydropower station of the present invention;
fig. 5 is a circuit diagram of a communication module and a positioning module in an acquisition system for running information of a generator of a radial-flow small hydropower station.
In the figure, the power supply module comprises a main control module 1, a power supply module 2, a generator operation information acquisition module 3, an information interaction module 4, a communication module 5, a positioning module 6 and an antenna module 7.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to an acquisition system for running information of a generator of a radial-flow small hydropower station, as shown in figure 1, which comprises a main control module 1, wherein the main control module 1 is respectively connected with a power module 2, a generator running information acquisition module 3, an information interaction module 4, a communication module 5 and a positioning module 6;
an antenna module 7 is connected between the communication module 5 and the positioning module 6, and the power module 2 is respectively connected with the generator operation information acquisition module 3 and the positioning module 6.
Preferably, the main control module 1 includes an ARM chip and a basic accessory circuit thereof, the basic accessory circuit is connected to the crystal oscillator, the ARM chip is connected to the crystal oscillator through pins 8 and 9, and the ARM chip is connected to the clock through pins 23 and 24.
Preferably, the power module 2 includes a battery, a charging circuit, a power circuit, and a conversion circuit; the power supply circuit is connected with the battery through a conversion circuit (AMS1117-3.3 power supply chip), converts a 5V direct current power supply into a 3.3V direct current power supply, and is connected with a 134 th pin and a 135 th pin of the ARM chip, and the power supply circuit is connected with the positioning module 6; and a charging interface of the charging circuit is connected with the battery through the protection circuit.
Preferably, the generator operation information acquisition module 3 comprises a generator active power output acquisition circuit, a generator reactive power output acquisition circuit, a generator operation environment temperature and humidity acquisition circuit and a generator field operation image acquisition circuit;
the generator active power output acquisition circuit and the generator reactive power output acquisition circuit are respectively connected with the filter circuit; the temperature and humidity acquisition circuit of the running environment of the generator is connected with the temperature and humidity sensor through a 1K omega resistor; the generator field operation image acquisition circuit is respectively connected with the image acquisition sensor through a 16 th pin and a 17 th pin of a MAX3232 chip and is connected with a 101 th pin and a 102 th pin of an ARM chip in the main control module 1.
Preferably, the information interaction module 4 comprises a high-definition display screen circuit, a keyboard circuit and a USB interface circuit;
the high-definition display screen circuit is connected with pins 58-68 and pins 77-79 of the ARM chip; the keyboard circuit is connected with a 1 st pin, a 2 nd pin, a 141 th pin and a 142 th pin of the ARM chip through a 1K omega resistor and is connected with a 3.3V interface of the power circuit; the USB interface single path is connected with the ARM chip through a 103 th pin and a 104 th pin.
Preferably, the communication module 5 includes a GSM communication circuit and a 4G communication circuit; the GSM communication circuit is connected with 98 th-113 th pins of the ARM chip through the SD chip; the 4G communication circuit is connected with 98 th-113 th pins of the ARM chip through the SD chip; the SD chip is connected to the power supply module 2.
Preferably, the positioning module 6 comprises a GPS positioning chip, and the GPS positioning chip is connected to the 36 th pin, the 37 th pin and the 91 st pin of the ARM chip and connected to the 5V interface of the power circuit.
Preferably, the antenna module 7 comprises a communication antenna and a GPS antenna; the communication antenna is respectively plugged with the GSM communication circuit and the 4G communication circuit; the GPS antenna is plugged with the GPS communication circuit.
The utility model relates to an acquisition system for little power station generator operation information of runoff formula, as shown in FIG. 1, its theory of operation as follows:
firstly, a power module 2 supplies power to a main control module 1, a generator operation information acquisition module 3 and a positioning module 6; the main control module 1 initializes the generator operation information acquisition module 3, the information interaction module 4, the communication module 5 and the positioning module 6 and detects whether the connection state of each module is normal;
the generator operation information acquisition module 3 measures and acquires the output voltage and current of the hydraulic generator through a voltage transformer and a non-contact current transformer, acquires the temperature of the generator operation environment through a temperature sensor, acquires the humidity of the generator operation environment through a humidity sensor, acquires the generator operation image information through an image acquisition sensor, and sends the generator operation image information to the main control module 1 through a signal filtering circuit for calculation and processing; after the initialization operation is completed, the communication module 5 establishes communication connection with the main control module 1, the main control module 1 determines a communication mode, and if the GSM communication circuit and the 4G communication circuit are normal, a 4G communication circuit passing mode is preferentially selected; after the initialization of the positioning module 6 is completed, GPS coordinate information is collected and transmitted to the main control module 1; after receiving the related data transmitted by the generator operation information acquisition module 3 and the positioning module 6, the main control module 1 outputs the related data to the information interaction module 4, packs and compresses the data and transmits the data to the communication module 5; after receiving the data transmitted by the main control module 1, the communication module 5 transmits the data to the remote dispatching center through the antenna module 7.
Fig. 2 is the utility model relates to a master control module's circuit diagram in collection system for little power station generator operation information of runoff formula, this circuit mainly by devices such as ARM chip, crystal oscillator, resistance, electric capacity group, the pin of ARM chip has inserted power and other submodule piece circuit. The ARM chip has 144 pins, and the 16 th, 38 th, 51 th, 61 th, 71 th, 83 th, 94 th, 107 th, 120 th, 130 th and 143 th pins are connected in parallel and directly connected with the Ground (GND); the 138 th pin is connected with the Ground (GND) through R16; pins 17, 39, 52, 62, 72, 84, 95, 108, 121, 131 and 144 are connected in parallel and directly connected with a 3.3V direct-current power supply interface; the Y1 crystal oscillator is connected with the 8 th pin and the 9 th pin of the ARM chip and is connected with the Ground (GND) through capacitors C29 and C30; the Y2 crystal oscillator pin 1 is directly connected with the 24 th pin of the ARM chip, the crystal oscillator pin 2 is directly connected with the 23 rd pin of the ARM chip, and the resistor R14 is connected with the crystal oscillator pin 1 and the crystal oscillator pin 2 in parallel through Y2 and respectively connected with the 31 th pin of the ARM chip and the Ground (GND) through capacitors C31 and C37. The ARM chip provides power for the ARM chip through a pin connected with a 3.3V direct-current power supply, and the crystal oscillators Y1 and Y2 provide basic clock signals for the ARM chip.
The main control module 1 is an operation and control core of the acquisition device, is connected with other modules through pins and different interface circuits, and is responsible for sending operation instructions, receiving and processing data information, coordinating and managing the operation of each module, and accordingly realizing the functions of the whole device.
Fig. 3 is a circuit diagram of a power module in the acquisition system for running information of the generator of the radial small hydropower station of the utility model; the power module 2 includes a battery, a charging circuit, a protection circuit, a power circuit, and a conversion circuit. The POWER pin is connected with the anode of the battery, and the cathode of the battery is connected with the Ground (GND) through a resistor R9 and an optocoupler D210; meanwhile, a POWER pin is connected with a third pin of a POWER conversion chip U3 through capacitors C7 and C9; the power conversion chip U3 outputs 3.3V voltage through the capacitors C8 and C10.
The charging circuit is connected with the battery and is used as a circuit for connecting the battery with an external power supply; the protection circuit consists of devices such as a diode and a resistor and is connected with a 5V output port of the battery and a 5V power supply circuit to realize the protection functions of overvoltage, current and reverse current prevention; the 5V power circuit is respectively connected with the generator operation information acquisition module 3 and the positioning module 6; 3.3V power supply circuit links to each other with the ARM chip of host system 1, power module 2 realizes the function for battery charging through charging circuit, guarantee the sustainable supply of electric energy, store the electric energy for collection system through the battery again, realize the protect function to collection system circuit through protection circuit, prevent that circuit and device from being burnt, provide the electric energy of different voltage levels for different modules through 5V and 3.3V power source, thereby realize the function for the power supply of whole collection system.
Fig. 4 is a circuit diagram of a generator operation information acquisition module in an acquisition system for generator operation information of a radial small hydropower station of the present invention; the generator operation information acquisition module 3 comprises a generator active power output acquisition circuit, a generator reactive power output acquisition circuit, a generator operation environment temperature acquisition circuit, a generator operation environment humidity acquisition circuit, a generator field operation image acquisition circuit and a standby circuit; the generator active power output acquisition circuit is connected with a voltage transformer (JDZ10-10), and the generator reactive power output acquisition circuit is connected with a non-contact current transformer (LZBJ 9-10); the generator operation environment temperature acquisition circuit is connected with the temperature sensor, the generator operation environment humidity acquisition circuit is connected with the humidity sensor, the generator field operation image acquisition circuit is connected with the image acquisition sensor (TL-IPC5220E-DCG) to realize acquisition and input of different signals, and the generator operation information acquisition module 3 mainly comprises a transient voltage suppression diode, an inductor, resistors and capacitors of different types.
Wherein, T1, T2, T3, T4, T5 and T6 are interfaces for connecting the sensors. The No. 1 pin of the T1 interface is connected with the pin 49 of the AD7606 chip through a series inductor CR1, a resistor R29 and a resistor R30; pin No. 2 is connected with the Ground (GND) through an inductor CR 2; the No. 1 pin of the T2 interface is connected with the pin 51 of the AD7606 chip through a series inductor CR3, a resistor R32 and a resistor R33; pin No. 2 is connected with the Ground (GND) through an inductor CR 4; the No. 1 pin of the T3 interface is connected with the pin 53 of the AD7606 chip through a series inductor CR5, a resistor R35 and a resistor R36; pin No. 2 is connected with the Ground (GND) through an inductor CR 6; the No. 1 pin of the T4 interface is connected with the pin of the AD7606 chip 55 through a series inductor CR7, a resistor R37 and a resistor R38; pin No. 2 is connected with the Ground (GND) through an inductor CR 8; the No. 1 pin of the T5 interface is connected with the pin of the AD7606 chip 57 through a series inductor CR9, a resistor R40 and a resistor R41; pin No. 2 is connected with the Ground (GND) through an inductor CR 10; the No. 1 pin of the T6 interface is connected with the pin of the AD7606 chip 59 through a series inductor CR11, a resistor R42 and a resistor R43; pin No. 2 is connected with the Ground (GND) through an inductor CR 12; the utility model discloses an acquisition device during operation, voltage transformer connect T1 interface, non-contact current transformer connect T2 interface, temperature sensor to connect T3 interface, humidity transducer connect T4 interface, image acquisition sensor to connect T5 interface, and T6 interface reserves as reserve interface, and all kinds of signals of collection convey to main control chip after collection circuit filtering, conversion.
Fig. 5 is a circuit diagram of a communication module and a positioning module in the acquisition system for the running information of the generator of the radial small hydropower station of the utility model; the communication module 5 is composed of an SD chip, a GSM communication circuit and a 4G communication circuit, the three circuits are all connected with a 3.3V direct-current power supply and connected with an ARM chip of the main control module 1, and the communication module is a circuit for realizing a wireless communication function. The 9 th pin of the SD chip is connected with the VCC3.3V power supply through a resistor R7, a 1 st pin through a resistor R8, a 2 nd pin through a resistor R9, a 7 th pin through a resistor R10 and an 8 th pin through a resistor R11 respectively; the 3 rd pin and the 6 th pin are respectively connected with a VCC3.3V power supply through a capacitor C11; the 3 rd pin is directly connected with the Ground (GND); the No. 1 pin of the GSM communication circuit is connected with the No. 113 pin of the ARM chip, and the No. 4 pin is connected with the No. 116 pin of the ARM chip; the VCC pin of the P5 communication interface is connected with a 3.3V direct-current power supply, is connected with the Ground (GND) through a capacitor C19 and is connected with the No. 2 pin of the P5 communication interface through a resistor R2; no. 1 pin of the 4G communication circuit is connected with No. 2 pin through a capacitor C24, No. 3 pin is connected with No. 5 pin through a capacitor C20, VDD pin is connected with Ground (GND) through a capacitor C21, and VCC pin is connected with 5V power supply. The circuit of the positioning module 6 is connected with the 5V power supply circuit and the GSM communication circuit through the triodes Q8-8850 and the resistor to complete the receiving of GPS signals; the GPS data is transmitted to the main control module 1 by connecting with the main control module 1 through pins RXD4 and TXD 4.
After being electrified, the communication module and the positioning module establish communication with the ARM chip, the ARM chip completes initialization configuration, and then the GSM communication circuit and the 4G communication circuit receive and send wireless signals through the antenna, so that communication connection is established with a public communication network, and a remote communication function is realized.

Claims (8)

1. The acquisition system for the running information of the generator of the radial-flow small hydropower station is characterized by comprising a main control module (1), wherein the main control module (1) is respectively connected with a power supply module (2), a generator running information acquisition module (3), an information interaction module (4), a communication module (5) and a positioning module (6);
an antenna module (7) is connected between the communication module (5) and the positioning module (6), and the power module (2) is connected with the generator operation information acquisition module (3) and the positioning module (6) respectively.
2. The acquisition system for the running information of the generator of the radial-flow small hydropower station as claimed in claim 1, wherein the main control module (1) comprises an ARM chip and a basic auxiliary circuit thereof, the basic auxiliary circuit is connected with a crystal oscillator, the ARM chip is connected with the crystal oscillator through a pin 8 and a pin 9, and the ARM chip is connected with a clock through a pin 23 and a pin 24.
3. The acquisition system for running information of a generator of a radial flow hydropower station according to claim 2, wherein the power module (2) comprises a battery, a charging circuit, a power circuit and a conversion circuit; the power circuit is connected with the battery through a conversion circuit, converts a 5V direct current power supply into a 3.3V direct current power supply, is connected with a 134 th pin and a 135 th pin of the ARM chip, and is connected with the positioning module (6); and a charging interface of the charging circuit is connected with the battery through the protection circuit.
4. The acquisition system for the running information of the generator of the radial-flow small hydropower station as claimed in claim 2, wherein the generator running information acquisition module (3) comprises a generator active power output acquisition circuit, a generator reactive power output acquisition circuit, a generator running environment temperature and humidity acquisition circuit and a generator field running image acquisition circuit;
the generator active power output acquisition circuit and the generator reactive power output acquisition circuit are respectively connected with the filter circuit; the temperature and humidity acquisition circuit of the running environment of the generator is connected with the temperature and humidity sensor through a resistor; the generator field operation image acquisition circuit is respectively connected with the image acquisition sensor through a 16 th pin and a 17 th pin of a MAX3232 chip and is connected with a 101 th pin and a 102 th pin of an ARM chip in the main control module (1).
5. The acquisition system for the running information of the generator of the radial flow small hydropower station according to claim 3, wherein the information interaction module (4) comprises a high-definition display screen circuit, a keyboard circuit and a USB interface circuit;
the high-definition display screen circuit is connected with pins 58-68 and pins 77-79 of the ARM chip; the keyboard circuit is connected with a 1 st pin, a 2 nd pin, a 141 th pin and a 142 th pin of the ARM chip through resistors and is connected with a 3.3V interface of the power circuit; and the single path of the USB interface is connected with the ARM chip through a 103 th pin and a 104 th pin.
6. The acquisition system for generator operation information of a radial flow hydropower station according to claim 2, characterized in that the communication module (5) comprises a GSM communication circuit and a 4G communication circuit; the GSM communication circuit is connected with 98 th-113 th pins of the ARM chip through the SD chip; the 4G communication circuit is connected with 98 th-113 th pins of the ARM chip through the SD chip; the SD chip is connected with the power module (2).
7. The acquisition system for running information of the generator of the runoff small hydropower station as claimed in claim 3, wherein the positioning module (6) comprises a GPS positioning chip, and the GPS positioning chip is connected with the 36 th pin, the 37 th pin and the 91 th pin of the ARM chip and is connected with the 5V interface of the power circuit.
8. The acquisition system for generator operation information of a radial flow hydropower station according to claim 6, characterized in that the antenna module (7) comprises a communication antenna and a GPS antenna; the communication antenna is respectively plugged with the GSM communication circuit and the 4G communication circuit; the GPS antenna is connected with the GPS communication circuit in an inserting mode.
CN202022927392.XU 2020-12-09 2020-12-09 Acquisition system for running information of generator of radial-flow small hydropower station Expired - Fee Related CN213338399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022927392.XU CN213338399U (en) 2020-12-09 2020-12-09 Acquisition system for running information of generator of radial-flow small hydropower station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022927392.XU CN213338399U (en) 2020-12-09 2020-12-09 Acquisition system for running information of generator of radial-flow small hydropower station

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Publication Number Publication Date
CN213338399U true CN213338399U (en) 2021-06-01

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Granted publication date: 20210601