CN217590371U - Control system of power generation equipment - Google Patents
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- CN217590371U CN217590371U CN202220896775.1U CN202220896775U CN217590371U CN 217590371 U CN217590371 U CN 217590371U CN 202220896775 U CN202220896775 U CN 202220896775U CN 217590371 U CN217590371 U CN 217590371U
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Abstract
The utility model discloses a control system of power generation equipment, which comprises one or more power generation modules, one or more FSU monitoring modules electrically connected with the power generation modules in a one-to-one correspondence manner and an SCM control module, wherein the input end of the SCM control module is electrically connected with the FSU monitoring module, and the output end of the SCM control module is electrically connected with the power generation modules; FSU monitoring module feeds back information to SCM control module, SCM control module control the running state of power generation module, and power generation module, FSU monitoring module and SCM control module are designed into mutually independent circuit board respectively, through the connection of electric lines between each circuit board, every power generation module corresponds certain power generation, can realize the control demand to different power generation through the logical program of increase and decrease FSU monitoring module and fine setting SCM control module, and is easy and simple to handle, be difficult to cause the damage to control system, the holistic stability of power generation facility and control system and life-span have been improved.
Description
Technical Field
The utility model relates to an industrial control field, especially a power generation facility's control system.
Background
At present, the core of an embedded industrial control system is a main control module, the main control modules of a plurality of industrial control systems are integrated circuit type integrated boards, the main control module always changes schemes according to controlled products, the method of changing the main control scheme through a flying wire for saving cost is very common, although the design can save cost in a short period, the local damage is easily caused, and the overall stability and the service life of the controlled products are not facilitated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a modular control's power generation facility's control system.
According to the utility model discloses power generation facility's control system, include: the system comprises one or more power generation modules and one or more FSU monitoring modules, wherein the FSU monitoring modules are electrically connected with the power generation modules in a one-to-one correspondence mode, and can acquire internal information of the corresponding power generation modules, and the internal information comprises electrical parameters and working states of the power generation modules; the SCM control module can acquire external information, the external information comprises water immersion information and fire information, the input end of the SCM control module is electrically connected with the FSU monitoring module, and the output end of the SCM control module is electrically connected with the power generation module; the FSU monitoring module feeds the internal information back to the SCM control module, the SCM control module processes the internal information and the external information and controls the operation state of the power generation module, the FSU monitoring module and the SCM control module are respectively designed into mutually independent circuit boards, and the circuit boards are connected through electric wires.
According to the utility model discloses power generation facility's control system has following beneficial effect at least: because the power generation module, the FSU monitoring module and the SCM control module are respectively designed into mutually independent circuit boards, the circuit boards are connected through electric wires, the power generation modules are connected with the FSU monitoring module in a one-to-one correspondence manner, each power generation module corresponds to certain power generation power, the control requirements on different power generation powers can be realized by increasing or decreasing the logic programs of the FSU monitoring module and finely adjusting the SCM control module, the operation is simple and convenient, the control system is not easy to damage, and the integral stability and service life of the power generation equipment and the control system thereof are improved.
According to some embodiments of the utility model, still include energy storage module, power generation module's output with energy storage module's input electricity is connected, energy storage module's output respectively with SCM control module with FSU monitoring module electricity is connected, and power generation module during operation can make energy storage module store certain electric energy to the energy storage module power supply, and when power generation module was out of work, energy storage module used the electric energy of storing supply power in order to start power generation module to SCM control module and FSU monitoring module, formed a power supply closed loop, do not need external power source also to make power generation facility normal operating.
According to the utility model discloses a some embodiments, SCM control module includes SCM main control unit and SCM electrical unit, energy storage module's output with SCM electrical unit's input electricity is connected, SCM electrical unit's output with SCM main control unit electricity is connected, and SCM electrical unit can turn into the electric energy that energy storage module supplied and be adapted to SCM main control unit required voltage of work.
According to some embodiments of the present disclosure, the SCM power supply unit includes a filter circuit, a driving circuit and an isolation circuit, the driving circuit is configured to supply power to a circuit in the SCM control module that outputs signals to the outside, and the isolation circuit is configured to supply power to a circuit in the SCM control module that inputs signals to the SCM main control unit; the input of filter circuit with the energy storage module electricity is connected, filter circuit's output respectively with drive circuit with the input electricity of buffer circuit is connected, buffer circuit's output with SCM main control unit electricity is connected, makes SCM control module's internal circuit all supplied power by SCM electrical unit, forms closed-loop control to through filtering and isolation, improved closed-loop control quality, increase of service life.
According to the utility model discloses a some embodiments, SCM control module include with the SCM mains detection unit that SCM main control unit electricity is connected, SCM main control unit handles the commercial power information that SCM mains detection unit detected is with control the operating condition of power generation module, when commercial power disconnection or trouble, control system starts the power generation module electricity generation according to the parameter setting.
According to the utility model discloses a some embodiments, the power generation module is including the heat dissipation unit, SCM control module is including gathering the SCM temperature detect unit and the control of the inside temperature of power generation module the SCM switch unit of heat dissipation unit operating condition, SCM temperature detect unit with the input electricity of SCM main control unit is connected, the output of SCM main control unit with SCM switch unit's input electricity is connected, SCM switch unit's output with the heat dissipation unit electricity is connected, and simple structure is convenient for realize timely heat dissipation function, guarantees the normal operating of equipment.
According to some embodiments of the present invention, the SCM temperature detection unit comprises a temperature sensor chip, a capacitor C1 and a TVS diode, the temperature sensor chip comprises a positive temperature acquisition interface and a negative temperature acquisition interface respectively connected with a thermocouple, the capacitor C1 and the TVS diode are connected in parallel to form a voltage stabilizing circuit, one end of the voltage stabilizing circuit is electrically connected with the positive temperature acquisition interface, the other end of the voltage stabilizing circuit is grounded, and the output end of the temperature sensor chip is electrically connected with the SCM main control unit; when the TVS diode bears a high-energy transient overvoltage pulse, the working impedance of the TVS diode can be immediately reduced to a very low conduction value, a large current is allowed to pass through, and the voltage is clamped to a preset level, so that precision components in an electronic circuit are effectively protected from being damaged, and the temperature sensor chip can output a relatively stable temperature signal by the voltage stabilizing circuit.
According to the utility model discloses a some embodiments, SCM control module includes the SCM memory cell, the SCM memory cell with the SCM main control unit electricity is connected, and the SCM memory cell is used for the data of storage user's settlement and with the real-time parameter data generation file of power generation module and save, and the maintenance personal can look over data of current date and come to carry out the fixed point maintenance to the product.
According to the utility model discloses a some embodiments, FSU monitoring module includes FSU main control unit and FSU power supply unit, energy storage module's output with FSU power supply unit's input electricity is connected, FSU power supply unit's output with FSU main control unit electricity is connected, and FSU power supply unit can turn into the electric energy that energy storage module supplied and be adapted to the required voltage of FSU main control unit work.
According to the utility model discloses a some embodiments, FSU monitoring module includes can be through outside key control the button unit of FSU monitoring module on-off state, the button unit with FSU main control unit electricity is connected, simple structure, and convenient to use person external operation is in order to select FSU monitoring module's work quantity to control power generation facility's generated power.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The following description will further describe embodiments of the present invention with reference to the accompanying drawings.
Fig. 1 is an overall circuit block diagram of an embodiment of the present invention;
FIG. 2 is a block circuit diagram of an SCM control system in accordance with an embodiment of the present invention;
fig. 3 is a block circuit diagram of an FSU control system according to an embodiment of the present invention;
FIG. 4 is a circuit diagram of an SCM power supply unit in accordance with an embodiment of the present invention;
fig. 5 is a circuit structure diagram of an SCM temperature detection unit according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
Referring to fig. 1, a control system of a power generation apparatus according to an embodiment of the present invention includes: one or more power generation modules capable of supplying power to an external load, one or more FSU monitoring modules electrically connected with the power generation modules in a one-to-one correspondence, and in some embodiments, a power generation module 1 and a power generation module 2, and an FSU monitoring module 1 and an FSU monitoring module 2; the FSU monitoring module can acquire internal information of the corresponding power generation module, wherein the internal information comprises the electrical parameters and the working state of the power generation module; the SCM control module can collect external information, the external information comprises water immersion information and fire information, the input end of the SCM control module is electrically connected with the FSU monitoring module, and the output end of the SCM control module is electrically connected with the power generation module; the FSU monitoring module feeds back internal information to the SCM control module, the SCM control module processes the internal information and external information and controls the running state of the power generation module, the FSU monitoring module and the SCM control module are respectively designed into mutually independent circuit boards, and the circuit boards are connected through communication buses such as CAN buses, 485 buses and the like. Because the power generation module, FSU monitoring module and SCM control module are designed into mutually independent circuit boards respectively, connect through communication bus between each circuit board, the power generation module is connected and has a plurality ofly with FSU monitoring module one-to-one, every power generation module corresponds certain generated power, can realize the control demand to different generated power through the logical program of increase and decrease FSU monitoring module and fine setting SCM control module, and is easy and simple to handle, be difficult to cause the damage to control system, the holistic stability and the life-span of power generation facility and control system have been improved.
In some embodiments, the power generation device further comprises an energy storage module, an output end of the power generation module is electrically connected with an input end of the energy storage module, an output end of the energy storage module is electrically connected with the SCM control module and the FSU monitoring module respectively, when the power generation module works, the energy storage module can be supplied with power to enable the energy storage module to store certain electric energy, and when the power generation module does not work, the energy storage module supplies power to the SCM control module and the FSU monitoring module by using the stored electric energy to start the power generation module, so that a power supply closed loop is formed, and the power generation device can normally operate without an external power supply; in some embodiments, the energy storage module is also designed on a single circuit board, and the energy storage module can be electrically connected with other modules through wires, and the modular design facilitates modification of circuits inside the control system.
In some embodiments, the system further comprises a serial display screen electrically connected with the SCM control module, and a user can set corresponding power generation parameters such as total power generation power, starting conditions of equipment connected with the FSU monitoring module, and parameters of various alarms through the serial display screen.
As shown in fig. 2, in some embodiments, the SCM control module includes a SCM main control unit and a SCM power supply unit, an output of the energy storage module is electrically connected to an input of the SCM power supply unit, an output of the SCM power supply unit is electrically connected to the SCM main control unit, and the SCM power supply unit can convert the electric energy supplied by the energy storage module into a voltage suitable for the SCM main control unit to work.
In some embodiments, the SCM master control unit employs a 32-bit ARM microcontroller (e.g., STM32F407 chip) and its peripheral circuits, which include a system heartbeat indicator circuit, an IC power supply filtering decoupling circuit, an IC internal operating clock oscillation circuit, and an IC reset circuit. The system heartbeat indicator lamp circuit consists of a light-emitting diode connected IN series with a resistor, the anode of the light-emitting diode is electrically connected with one I/O port of the STM32F407 chip, the period of the light-emitting diode can be programmed to flash, and the state of the STM32F407 chip is monitored (the damage or the halt indicator lamp can stop the period flashing); the capacitors are connected in parallel to form an IC power supply filtering decoupling circuit and are arranged close to an STM32F407 chip; OSC _ IN and OSC _ OUT pins of the STM32F407 chip are respectively and electrically connected with an external crystal oscillator to form an IC internal working clock oscillation starting circuit so as to increase the operation load capacity of the IC; the NRST pin is externally connected with a reset switch and a capacitor to form a reset circuit, the initial voltage of the pin is 3.3V, the capacitor is fully charged, the voltage of the NRST pin is 3.3V, the voltage of the NRST pin is changed from 3.3V to 0V within 1ms after a key is pressed, the STM32F407 chip is reset, the NRST pin is changed back to 3.3V after being released, and the STM32F407 chip works again.
As shown in fig. 4, in some embodiments, the SCM power supply unit includes a filter circuit 110, a driver circuit 120 and an isolation circuit 130, where the driver circuit 120 is used to supply power to a circuit in the SCM control module that outputs signals to the outside, and the isolation circuit 130 is used to supply power to a circuit in the SCM control module that inputs signals to the SCM main control unit; the input of filter circuit is connected with the energy storage module electricity, and filter circuit's output is connected with drive circuit and isolating circuit's input electricity respectively, and isolating circuit's output is connected with SCM main control unit electricity, makes SCM control module's internal circuit all supplied power by SCM power supply unit, forms closed-loop control to through filtering and isolation, improved closed-loop control quality, increase of service life.
In some embodiments, the filter circuit 110 includes a resistor R1, a light emitting diode D2, a common mode inductor L1, a capacitor C2, and a capacitor C3, the resistor R1 and the light emitting diode D2 are connected in series to form a power-on indicating circuit, and the common mode inductor L1, the capacitor C2, and the capacitor C3 form a common mode interference filtering circuit as shown in fig. 4. The power-on indicating circuit is connected with the common-mode interference filtering circuit in parallel, the SCM control module supplies power to use 24V input, voltage can purify input voltage to a large extent through the common-mode interference filtering circuit, the protection device, R1 is a current-limiting resistor, the D2 light-emitting diode provides power-on indication, and D2 can be lightened when 24V is input.
In some embodiments, the driving circuit 120 provides a driving voltage of 5V for the external output circuit in the SCM control module, as shown in fig. 4, the driving circuit 120 includes a 24V to 12V circuit and a 12V to 5V circuit, wherein the 24V to 12V circuit uses a TPS5430 chip to build a BUCK circuit, the 12V to 5V circuit uses an LM7805 chip of an integrated BUCK circuit, and the circuit filtering uses conventional capacitance filtering. When an input voltage appears at a VIN pin of the TPS5430 chip, the TPS5430 chip starts to switch the input voltage at a fixed frequency, so that the voltage is reduced to a value and stored in an inductor L2, a VSNS pin of the TPS5430 chip is responsible for comparing the divided voltage of the output voltage fed back with the set voltage of a built-in comparator, when the feedback voltage is greater than the set voltage value, the TPS5430 chip stops switching the voltage, the L2 is powered off, the stored voltage is changed into a reverse electromotive force, and the input voltage directly flows through the inductor L2 at the moment, so that a circuit converting 24V into 12V outputs a 12V voltage. An LM7805 chip in the 12V-to-5V circuit directly converts an input 12V voltage into a 5V voltage.
In some embodiments, the isolation circuit 130 is a conversion circuit for isolation processing, and is mainly responsible for supplying power to the SCM main control unit, the voltage conversion uses a BUCK circuit to adapt to different power voltages for the back end, and the circuit filtering uses conventional capacitor filtering. As shown in fig. 4, the isolation circuit 130 includes a 24V to 12V circuit, a 12V to 5V circuit, and a 5V to 3.3V circuit, and the 24V to 12V circuit adopts a VRB2412 chip of an isolation integrated BUCK circuit, and can bear the maximum 1500V voltage strike of the primary side (isolation front end), thereby effectively protecting the power utilization circuit at the rear end. The TPS5430 chip is responsible for 12V conversion to 5V, and the AMS1117 chip is responsible for 5V conversion to 3.3V, and supplies the power to different power utilization circuits of the SCM main control unit.
In some embodiments, the SCM control module includes an SCM mains detection unit electrically connected to the SCM main control unit, the SCM main control unit processes mains information detected by the SCM mains detection unit to control the operating state of the power generation module, and when the mains is disconnected or fails, the control system starts the power generation module to generate power according to the set parameters. In some embodiments, the SCM mains supply detection unit is formed by a Hall mutual inductance voltage chip CHV-25P/200 carrying a peripheral filter circuit, 0-5V signals are fed back through mutual inductance of an internal coil of the CHV-25P/200 chip, the power supply voltage of the CHV-25P/200 chip is positive and negative 12V, and the peak value of primary voltage can be detected to be 300V.
In some embodiments, the power generation module includes the heat dissipation unit, SCM control module is including SCM temperature detecting element 140 that can gather the inside temperature of power generation module and the SCM switch unit of control heat dissipation unit operating condition, SCM temperature detecting element 140 is connected with SCM main control unit's input electricity, SCM main control unit's output is connected with SCM switch unit's input electricity, SCM switch unit's output is connected with the heat dissipation unit electricity, moreover, the steam generator is simple in structure, be convenient for realize timely heat dissipation function, guarantee the normal operating of equipment.
As shown in fig. 5, in some embodiments, SCM temperature detecting unit 140 includes a temperature sensor chip MAX6675, a capacitor C1, and a TVS diode D1, where temperature sensor chip MAX6675 includes a positive temperature collecting interface TEP + and a negative temperature collecting interface TEP-connected to a thermocouple, respectively, capacitor C1 and TVS diode D1 are connected in parallel to form a voltage stabilizing circuit, one end of the voltage stabilizing circuit is electrically connected to positive temperature collecting interface TEP +, the other end of the voltage stabilizing circuit is grounded, and an output SO interface, a CS interface, and a clock SCK interface of temperature sensor chip MAX6675 are electrically connected to corresponding interfaces of the SCM main control unit, respectively; when the TVS diode D1 bears a high-energy transient overvoltage pulse, the working impedance of the TVS diode D1 can be immediately reduced to a very low conduction value, a large current is allowed to pass through, and the voltage is clamped to a preset level, so that precision components in an electronic circuit are effectively protected from being damaged, and the temperature sensor chip can output a relatively stable temperature signal by the voltage stabilizing circuit. In certain embodiments, SCM temperature detection unit 140 comprises a current sensor adapted to feed back an analog signal as a current signal, typically in the range of 4-20mA. Also included are voltage sensors adapted to feed back the analog signal as a voltage signal, typically in the range of 0-5V.
The SCM switch unit adopts a power switch circuit and is mainly responsible for external 24V electrical appliance switches such as an electromagnetic valve, a cooling fan, a solid-state relay and the like. The power switch circuit comprises a plurality of IGBTs, an isolation optocoupler chip TLP291-4 and a high-side switch chip ITS724G, the IGBTs are electrically connected with the isolation optocoupler chip TLP291-4 and the high-side switch chip ITS724G respectively, and the high-side switch chip ITS724G is further electrically connected with a corresponding external 24V electrical appliance to drive the external 24V electrical appliance. In some examples, the output end of the high-side switch chip ITS724G is reversely connected with a freewheeling diode, if the driven electrical appliance is a brush motor, a solenoid valve, or the like, a reverse electromotive force is generated after power failure, and the freewheeling diode is responsible for converting the reverse electromotive force into internal consumption of the electrical appliance to protect the power switch circuit.
In some embodiments, the SCM control module includes an SCM storage unit electrically connected to the SCM main control unit, the SCM storage unit includes two parts, a Flash power-down data protection part for storing user setting data, such as: the power, the alarm parameters and the like of the power generation module are set through the touch screen; and the SD card part is used for generating CSV files from the real-time parameter data of the power generation product and storing the CSV files into the SD card, and maintenance personnel can check current date data to carry out fixed-point maintenance on the product.
In some embodiments, the SCM control module includes an SCM communication unit, and CAN communication and MODBUS RS485 communication are adopted, and the SCM control module is mainly used for data communication with an external module, for example, CAN communication is adopted between the SCM control module and the FSU monitoring module, and MODBUS RS485 communication is adopted between the SCM control module and the power generation module. The CAN communication circuit uses an ISO1050 chip which conforms to CAN international ISO standard, and the MODBUS RS485 communication circuit uses a MAX13487 chip.
As shown in fig. 3, in some embodiments, the FSU monitoring module includes an FSU main control unit and an FSU power supply unit, the output terminal of the energy storage module is electrically connected to the input terminal of the FSU power supply unit, the output terminal of the FSU power supply unit is electrically connected to the FSU main control unit, and the FSU power supply unit can convert the electric energy supplied by the energy storage module into a voltage suitable for the FSU main control unit to operate.
In some embodiments, the FSU master control unit employs a 32-bit ARM microcontroller (e.g., an STM32F103 chip) to carry peripheral circuits, where the peripheral circuits include a system heartbeat indicator, and are programmed to flash periodically to monitor the state of the STM32F103 chip (a damaged or dead indicator will stop flashing periodically). The peripheral circuit also comprises a real-time clock oscillation starting circuit of 32.768 KHz. The peripheral circuit further comprises a power supply filtering decoupling circuit which is a plurality of capacitors connected in parallel and is arranged close to the STM32F103 chip.
In some embodiments, the FSU power supply unit comprises an FSU driving circuit for providing a driving voltage for circuits outputting signals outwards in the FSU monitoring module and an FSU isolating circuit for supplying power to the FSU main control unit, wherein the FSU driving circuit comprises a 24V-to-12V circuit, a 12V-to-5V circuit and a 24V-to-48V circuit, the 24V-to-12V circuit uses a TPS5430 chip to build a BUCK circuit, the 12V-to-5V circuit uses an LM7805 chip of the integrated BUCK circuit, the 24V-to-48V circuit uses an integrated Boost circuit, and the circuit filtering uses conventional capacitance filtering. The FSU isolation circuit comprises a 24V-to-12V circuit, a 12V-to-5V circuit and a 5V-to-3.3V circuit, wherein the 24V-to-12V circuit adopts a VRB2424 chip, the 2V-to-5V circuit adopts a TPS5430 chip, the 5V-to-3.3V circuit adopts an AMS1117 chip, and the circuit filtering uses conventional capacitance filtering.
In some embodiments, the FSU monitoring module comprises an FSU temperature detection unit capable of collecting the internal temperature of the power generation module and an FSU switch unit for controlling the working state of the heat dissipation unit, the FSU temperature detection unit is electrically connected with the input end of the FSU main control unit, the output end of the FSU main control unit is electrically connected with the input end of the FSU switch unit, and the output end of the FSU switch unit is electrically connected with the heat dissipation unit. The FSU temperature detection unit adopts a thermocouple circuit, the thermocouple circuit uses a MAX6675 sensor interface chip to collect junction temperature data (above 200 ℃) of a thermocouple probe, and the junction temperature data is electrically connected with a corresponding interface of the FSU main control unit through an SO interface, a CS interface and a clock SCK interface at the output end of the MAX6675 sensor, and the data is transmitted back to the FSU main control unit.
In some embodiments, the FSU switch unit employs a power switch circuit, which is primarily responsible for switching external 48V appliances, such as brush motors and the like. The power switch circuit comprises a plurality of IGBTs, an isolation optocoupler chip TLP291-4 and a high-side switch chip ITS724G, the IGBTs are electrically connected with the isolation optocoupler chip TLP291-4 and the high-side switch chip ITS724G respectively, and the high-side switch chip ITS724G is further electrically connected with a corresponding external 48V electrical appliance to drive the external 48V electrical appliance. In some cases, the output end of the high-side switch chip ITS724G is reversely connected with a freewheeling diode, if the driven electrical appliance is a brush motor, a solenoid valve and the like, a reverse electromotive force can be generated after power failure, and the freewheeling diode is responsible for converting the reverse electromotive force into internal consumption of the electrical appliance and protecting a power switch circuit.
In some embodiments, the FSU monitoring module includes an FSU storage unit, the FSU storage unit is electrically connected to the FSU main control unit, the FSU storage unit is used for storing data set by a user and generating and storing real-time parameter data of the power generation module into a file, and maintenance personnel can check current date data to perform fixed-point maintenance on products.
In some embodiments, the FSU monitoring module includes an FSU communication unit, the FSU communication unit employs CAN communication and MODBUS RS485 communication, and is mainly used for data communication with an external module, for example, the FSU monitoring module and the SCM control module employ CAN communication, and the FSU monitoring module and the power generation module employ MODBUS RS485 communication. The CAN communication circuit uses an ISO1050 chip which conforms to CAN international ISO standard, and the MODBUS RS485 communication circuit uses a MAX13487 chip.
In some embodiments, the FSU monitoring module comprises a key unit capable of controlling the on-off state of the FSU monitoring module through an external key, and the key unit is electrically connected with the FSU main control unit, so that the FSU monitoring module is simple in structure and convenient for a user to operate externally to select the working number of the FSU monitoring module, thereby controlling the generating power of the generating equipment. In some embodiments, the key unit includes a plurality of keys and a detection circuit electrically connected to the keys, the detection circuit employs a photoelectric switch TLP291 chip, an output end of the TLP291 chip is electrically connected to an input end of the FSU main control unit, when a key is pressed, an LED inside the TLP291 chip changes, a state of the photoelectric switch changes, and the FSU main control unit reacts.
It is readily understood by those skilled in the art that the above-described preferred modes can be freely combined and superimposed without conflict.
The above is only the preferred embodiment of the present invention, not limiting the patent scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct or indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A control system for a power generation plant, comprising:
one or more power generation modules;
the FSU monitoring modules are electrically connected with the power generation modules in a one-to-one correspondence manner, and can acquire internal information of the corresponding power generation modules, wherein the internal information comprises electrical parameters and working states of the power generation modules;
the SCM control module can collect external information, the external information comprises water immersion information and fire information, the input end of the SCM control module is electrically connected with the FSU monitoring module, and the output end of the SCM control module is electrically connected with the power generation module;
the FSU monitoring module feeds the internal information back to the SCM control module, the SCM control module processes the internal information and the external information and controls the operation state of the power generation module, the FSU monitoring module and the SCM control module are respectively designed into mutually independent circuit boards, and the circuit boards are connected through a communication bus.
2. The control system of a power generating apparatus according to claim 1, characterized in that: the output end of the power generation module is electrically connected with the input end of the energy storage module, and the output end of the energy storage module is respectively and electrically connected with the SCM control module and the FSU monitoring module.
3. The control system of a power generating apparatus according to claim 2, characterized in that: the SCM control module comprises an SCM main control unit and an SCM power supply unit, the output end of the energy storage module is electrically connected with the input end of the SCM power supply unit, and the output end of the SCM power supply unit is electrically connected with the SCM main control unit.
4. The control system of a power generating apparatus according to claim 3, characterized in that: the SCM power supply unit comprises a filter circuit (110), a driving circuit (120) and an isolation circuit (130), wherein the driving circuit (120) is used for supplying power to a circuit which outputs signals to the outside in the SCM control module, and the isolation circuit (130) is used for supplying power to a circuit which inputs signals to the SCM main control unit in the SCM control module; the input end of the filter circuit (110) is electrically connected with the energy storage module, the output end of the filter circuit (110) is electrically connected with the input ends of the drive circuit (120) and the isolation circuit (130), and the output end of the isolation circuit is electrically connected with the SCM main control unit.
5. The control system of a power generating apparatus according to claim 3, characterized in that: the SCM control module include with the SCM mains detection unit that SCM main control unit electricity is connected, SCM main control unit handles the mains information that SCM mains detection unit detected is with control the operating condition of power generation module.
6. The control system of a power generating apparatus according to claim 3, characterized in that: the power generation module includes the heat dissipation unit, SCM control module is including gathering the SCM temperature detect unit (140) and the control of the inside temperature of power generation module the SCM switch unit of heat dissipation unit operating condition, SCM temperature detect unit (140) with the input electricity of SCM main control unit is connected, the SCM main control unit the output with SCM switch unit's input electricity is connected, SCM switch unit's output with the heat dissipation unit electricity is connected.
7. The control system of a power generating apparatus according to claim 6, characterized in that: the SCM temperature detection unit (140) comprises a temperature sensor chip, a capacitor C1 and a TVS diode, the temperature sensor chip comprises a positive temperature acquisition interface and a negative temperature acquisition interface which are respectively connected with a thermocouple, the capacitor C1 and the TVS diode are connected in parallel to form a voltage stabilizing circuit, one end of the voltage stabilizing circuit is electrically connected with the positive temperature acquisition interface, the other end of the voltage stabilizing circuit is grounded, and the output end of the temperature sensor chip is electrically connected with the SCM main control unit.
8. The control system of a power generating apparatus according to claim 3, characterized in that: the SCM control module comprises an SCM storage unit, and the SCM storage unit is electrically connected with the SCM main control unit.
9. The control system of a power generating apparatus according to claim 2, characterized in that: the FSU monitoring module comprises an FSU main control unit and an FSU power supply unit, the output end of the energy storage module is electrically connected with the input end of the FSU power supply unit, and the output end of the FSU power supply unit is electrically connected with the FSU main control unit.
10. The control system of a power generating apparatus according to claim 9, characterized in that: the FSU monitoring module comprises a key unit capable of controlling the on-off state of the FSU monitoring module through an external key, and the key unit is electrically connected with the FSU main control unit.
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