CN111795420A - Gas-electric hybrid heating control system and control method thereof - Google Patents
Gas-electric hybrid heating control system and control method thereof Download PDFInfo
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- CN111795420A CN111795420A CN202010492476.7A CN202010492476A CN111795420A CN 111795420 A CN111795420 A CN 111795420A CN 202010492476 A CN202010492476 A CN 202010492476A CN 111795420 A CN111795420 A CN 111795420A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D13/00—Electric heating systems
- F24D13/04—Electric heating systems using electric heating of heat-transfer fluid in separate units of the system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
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Abstract
The invention belongs to the technical field of heating, and discloses a gas-electricity hybrid heating control system and a control method thereof, wherein the system comprises a main controller arranged inside a gas-electricity hybrid heating wall-mounted furnace, a state unit is arranged inside the main controller, and the state unit comprises a main state machine and at least one sub-state machine; the method is a control method under a plurality of mixed control modes of independent gas heating, independent electric heating, preferential gas heating and preferential electric heating. The invention solves the problem that how to effectively control the wall-mounted boiler in the working process of the wall-mounted boiler is lack of two energy sources of gas and electricity in the prior art.
Description
Technical Field
The invention belongs to the technical field of heating, and particularly relates to a gas-electricity hybrid heating control system and a control method thereof.
Background
At present, a common gas wall-mounted furnace for heating equipment in people life adopts gas as heating energy to heat heating water, and a heating system is used for heating rooms of users. Usually gas hanging stove still has the function of preventing frostbite, and when hanging stove was not in heating operating condition, it was low excessively when ambient temperature, for preventing that the water in the heating system pipeline from freezing, equipment can start the function of preventing frostbite, prevents that water from freezing, avoids the heating system damage that water freezes and arouses, extension equipment life and reduction user's loss. In practical application, when the gas supply is insufficient, resulting in the gas pressure to hang when hanging the stove and can't ignite, can't heat, hanging stove's function failure that prevents frostbite causes the loss for the user. In addition, in areas with abundant electric power, a policy of peak-to-valley electricity is implemented, electric energy is more economical when the electricity is valley electricity, and the traditional gas wall-mounted boiler can only utilize single energy and cannot fully utilize the economical electric energy. The wall-mounted boiler capable of simultaneously using two energy sources of gas and electric energy can become the product requirement in the future.
Although the prior art provides a wall-mounted furnace form combining gas and electricity, how to effectively control two energy sources of gas and electricity in the working process of the wall-mounted furnace is to ensure that the gas and the electricity are reasonably and efficiently utilized, and a specific implementation method is not provided.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention aims to provide a gas-electric hybrid heating control system and a control method thereof, which are used for solving the problem in the prior art that how to effectively control the wall-hanging stove in the working process of the wall-hanging stove is lack of two energy sources, namely gas and electricity.
The technical scheme adopted by the invention is as follows:
a gas-electric hybrid heating control system comprises a main controller arranged inside a gas-electric hybrid heating wall-mounted furnace, wherein a state unit is arranged inside the main controller, the state unit comprises a main state machine and at least one sub-state machine, and the main state machine and a plurality of sub-state machines are both positioned inside the main controller;
the gas-electric hybrid heating control system has the functions as follows:
extracting control mode variable indication information of a control mode setting unit of the gas-electric hybrid heating wall-hanging furnace and state indication information of a main state machine and a plurality of sub-state machines;
extracting comprehensive water temperature information, water flow information and equipment state information of the gas-electric hybrid heating wall-mounted boiler and generating heating demand information according to the comprehensive water temperature information, the water flow information and the equipment state information;
controlling a gas heating unit and an electric heating unit of the gas-electric hybrid heating wall-mounted furnace to heat according to all the acquired information, and extracting the gas flow of the gas heating unit and the electric power of the electric heating unit;
and the main state machine and the plurality of sub state machines update the state indication information of the current state machine according to the dispatched system information.
Furthermore, the state machine group comprises a main state machine, a first sub-state machine and a second sub-state machine, and the main state machine, the first sub-state machine and the second sub-state machine are all positioned in the main controller;
the states of the master state machine include: gas independent heating, electric independent heating, gas preferential heating and electric preferential heating;
under the gas temperature control state of the main state machine, the state of the first sub-state machine comprises: gas temperature control-electric starting, gas temperature control-electric temperature control and gas temperature control-electric quitting;
in the electrical temperature control state of the main state machine, the states of the second sub-state machine include: electric temperature control-gas start, electric temperature control-gas temperature control and electric temperature control-gas exit.
A gas-electricity hybrid heating control method is based on a gas-electricity hybrid heating control system, the system comprises a main controller arranged inside a gas-electricity hybrid heating wall-mounted furnace, a state unit is arranged inside the main controller, the state unit comprises a main state machine, a first sub-state machine and a second sub-state machine, and the method comprises the following steps:
s1: updating a gas-electric hybrid heating control system;
s2: receiving heating demand information, extracting control mode variable indication information, judging whether the current heating mode belongs to a gas heating mode according to the control mode variable indication information, if so, entering a step S3, otherwise, the current heating mode belongs to an electric heating mode, and entering a step S11;
s3: entering a gas starting state, and finishing a gas ignition process by using a gas-electricity mixed heating wall-mounted furnace;
s4: entering a gas temperature control state, continuously heating gas by using a gas-electricity hybrid heating wall-mounted furnace, controlling the heating temperature, extracting current temperature information, judging whether the gas exit state is reached or not according to the current temperature information, if so, entering a step S5, and if not, entering a step S6;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, the gas exit state is reached;
s5: entering a gas exit state, using a gas-electricity hybrid heating wall-mounted furnace to stop the gas fire, ending the method, and waiting for receiving the next piece of heating demand information;
s6: judging whether the gas flow of the current gas-electricity hybrid heating wall-mounted furnace reaches a maximum gas flow threshold, if so, entering a step S7, otherwise, increasing the current gas flow, increasing the heating temperature, and returning to the step S4;
s7: judging whether the current control mode variable is gas preferential heating or not, if so, entering a step S8, otherwise, directly ending the method and waiting for receiving the next piece of heating demand information;
s8: entering a gas temperature control-electric starting state, and completing an electric starting process by using a gas-electric hybrid heating wall-mounted furnace;
s9: entering a gas temperature control-electric temperature control state, heating by using the maximum gas flow, adjusting electric power to control the heating temperature and extracting current temperature information, judging whether the gas temperature control-electric exit state is reached, if so, entering a step S10, otherwise, increasing the electric power, increasing the heating temperature, and repeatedly executing a step S9;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, a gas temperature control-electricity exit state is reached;
s10: entering a gas temperature control-electric exit state, performing an electric heating disconnection process, and returning to the step S4;
s11: entering an electric starting state, and completing an electric ignition process by using a gas-electric hybrid heating wall-mounted furnace;
s12: entering an electric temperature control state, performing electric continuous heating by using a gas-electric hybrid heating wall hanging furnace, controlling the heating temperature, extracting current temperature information, judging whether the electric exit state is reached, if so, entering a step S13, otherwise, entering a step S14;
when the current gas-electric hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, the current gas-electric hybrid heating wall-mounted furnace reaches an electric exit state;
s13: entering an electric exit state, performing an electric heating disconnection process by using the gas-electric hybrid heating wall-mounted furnace, ending the method, and waiting for receiving the next piece of heating demand information;
s14: judging whether the electric power value of the current gas-electric hybrid heating wall-mounted furnace reaches the electric power maximum threshold value, if so, entering a step S15, otherwise, increasing the current electric power, increasing the heating temperature, and returning to the step S12;
s15: judging whether the current control mode variable is electric priority heating or not, if so, entering a step S16, otherwise, directly ending the method and waiting for receiving the next piece of heating demand information;
s16: entering an electric temperature control-gas starting state, and finishing a gas starting process by using a gas-electricity mixed heating wall-mounted furnace;
s17: entering an electric temperature control-gas temperature control state, heating by using maximum electric power, adjusting gas flow to control heating temperature and extracting current temperature information, judging whether the electric temperature control-gas exit state is reached, if so, entering a step S18, otherwise, increasing the electric power, increasing the heating temperature, and repeatedly executing a step S17;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, an electric temperature control-gas exit state is achieved;
s18: entering an electric temperature control-gas exit state, performing a gas heating disconnection process, and returning to the step S12.
Further, in step S1, the gas-electric hybrid heating control system is updated, that is, the state of the main state machine is set to idle.
Further, in step S2, the control mode variables of the gas heating mode include gas independent heating and gas preferential heating; the control mode variables of the electric heating mode include electric independent heating and electric preferential heating.
Further, in steps S4 and S12, when the heating demand information disappears, the wall-hanging stove directly exits the heating state.
Further, when the state of the current state machine is updated, the gas-electric hybrid heating control system enters a corresponding state and performs an operation corresponding to the state;
updating the state of the main state machine into a gas starting state, and entering the gas starting state;
updating the state of the main state machine into a gas temperature control state, and entering the gas temperature control state;
updating the state of the main state machine into a gas exit state, and entering the gas exit state;
updating the state of the first state machine into a gas temperature control-electric starting state, and entering the gas temperature control-electric starting state;
updating the state of the first state machine into a gas temperature control-electric temperature control state, and entering the gas temperature control-electric temperature control state;
updating the state of the first state machine into a gas temperature control-electric exit state, and entering the gas temperature control-electric exit state;
updating the state of the main state machine into an electric starting state, and entering the electric starting state;
updating the state of the main state machine into electric temperature control, and entering the electric temperature control state;
updating the state of the main state machine into an electrical exit state, and entering the electrical exit state;
updating the state of the second state machine into an electric temperature control-gas starting state, and entering the electric temperature control-gas starting state;
updating the state of the second state machine into an electric temperature control-gas temperature control state, and entering the electric temperature control-gas temperature control state;
and updating the state of the second state machine into an electric temperature control-gas exit state, and entering the electric temperature control-gas exit state.
The invention has the beneficial effects that:
the invention provides a control method for performing mixed control on two energy sources of gas and electricity in the operation of a wall-mounted furnace, which realizes the heating control of the wall-mounted furnace in various mixed control modes of independent gas heating, independent electric heating, preferential gas heating, preferential electric heating and the like, and directly performs corresponding control according to state information of a state machine by configuring different control modes, thereby avoiding the error operation in the mixed control mode, simplifying the data volume of the control process, meeting different requirements of different users, and realizing the reasonable and efficient utilization of the gas and the electricity.
Drawings
FIG. 1 is a flow chart of a gas-electric hybrid heating control method;
FIG. 2 is a general state transition diagram of a gas-electric hybrid heating control method;
FIG. 3 is a state transition diagram for the gas independent heating control mode;
FIG. 4 is a state transition diagram for the electrically independent heating control mode;
FIG. 5 is a state transition diagram for the gas priority heating control mode;
fig. 6 is a state transition diagram in the electric priority heating control mode.
In the figure, 01, an idle state, 02, a gas starting state, 03, an electric starting state, 04, a gas temperature control state, 05, an electric temperature control state, 06, a gas quitting state, 07, an electric quitting state, 08, a gas temperature control-electric starting state, 09, an electric temperature control-gas starting state, 10, a gas temperature control-electric temperature control state, 11, an electric temperature control-gas temperature control state, 12, a gas temperature control-electric quitting state, 13, an electric temperature control-gas quitting state.
Detailed Description
The invention is further explained below with reference to the drawings and the specific embodiments.
Example 1:
a gas-electric hybrid heating control system comprises a main controller arranged inside a gas-electric hybrid heating wall-mounted furnace, wherein a state unit is arranged inside the main controller, the state unit comprises a main state machine and at least one sub-state machine, and the main state machine and a plurality of sub-state machines are both positioned inside the main controller;
the gas-electric hybrid heating control system has the functions as follows:
extracting control mode variable indication information of a control mode setting unit of the gas-electric hybrid heating wall-hanging furnace and state indication information of a main state machine and a plurality of sub-state machines;
in the embodiment, the control mode setting unit is a touch display screen which is electrically connected with the main controller and is used for setting the control mode of the gas-electric hybrid heating wall-mounted furnace and displaying related data and state information;
controlling a water temperature sensor and a water flow sensor to extract comprehensive water temperature information, water flow information and equipment state information of the gas-electric hybrid heating wall-mounted furnace and generating heating demand information according to the comprehensive water temperature information, the water flow information and the equipment state information;
controlling a gas heating unit and an electric heating unit of the gas-electric hybrid heating wall-mounted furnace to heat according to all the acquired information, and extracting the gas flow of the gas heating unit and the electric power of the electric heating unit;
and the main state machine and the plurality of sub state machines update the state indication information of the current state machine according to the dispatched system information.
In this embodiment, the state machine set includes a main state machine, a first sub-state machine and a second sub-state machine, and the main state machine, the first sub-state machine and the second sub-state machine are all located inside the main controller;
the states of the master state machine include: gas independent heating, electric independent heating, gas preferential heating and electric preferential heating;
under the gas temperature control state of the main state machine, the state of the first sub-state machine comprises: gas temperature control-electric starting, gas temperature control-electric temperature control and gas temperature control-electric quitting;
in the electrical temperature control state of the main state machine, the states of the second sub-state machine include: electric temperature control-gas start, electric temperature control-gas temperature control and electric temperature control-gas exit.
As shown in fig. 1 and 2, a gas-electric hybrid heating control method is based on a gas-electric hybrid heating control system, the system includes a main controller disposed inside a gas-electric hybrid heating wall-hanging furnace, a state unit is disposed inside the main controller, the state unit includes a main state machine, a first sub-state machine and a second sub-state machine, and the method includes the following steps:
s1: updating the gas-electric hybrid heating control system, namely setting the state of the main state machine to be idle;
when the state of the current state machine is updated, the gas-electric hybrid heating control system enters a corresponding state and carries out operation corresponding to the state;
s2: receiving heating demand information, extracting control mode variable indication information, judging whether the current heating mode belongs to a gas heating mode according to the control mode variable indication information, if so, entering a step S3, otherwise, the current heating mode belongs to an electric heating mode, and entering a step S11;
the control mode variables of the gas heating mode comprise gas independent heating and gas preferential heating; the control mode variables of the electric heating mode include electric independent heating and electric preferential heating;
s3: updating the state of the main state machine into a gas starting state, entering the gas starting state, and finishing a gas ignition process by using a gas-electricity mixed heating wall-mounted furnace;
s4: updating the state of the main state machine to be gas temperature control, entering a gas temperature control state, continuously heating the gas by using a gas-electricity hybrid heating wall-mounted furnace, controlling the heating temperature, extracting current temperature information, judging whether the gas exit state is reached or not according to the current temperature information, if so, entering a step S5, and otherwise, entering a step S6;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, the gas exit state is reached;
s5: updating the state of the main state machine into a gas exit state, entering the gas exit state, performing a gas extinguishing process by using a gas-electricity hybrid heating wall-mounted furnace, ending the method, and waiting for receiving the next piece of heating demand information;
s6: judging whether the gas flow of the current gas-electricity hybrid heating wall-mounted furnace reaches a maximum gas flow threshold, if so, entering a step S7, otherwise, increasing the current gas flow, increasing the heating temperature, and returning to the step S4;
s7: judging whether the current control mode variable is gas preferential heating or not, if so, entering a step S8, otherwise, directly ending the method and waiting for receiving the next piece of heating demand information;
s8: updating the state of the first state machine into a gas temperature control-electric starting state, entering the gas temperature control-electric starting state, and completing an electric starting process by using a gas-electric hybrid heating wall-mounted furnace;
s9: updating the state of the first state machine to gas temperature control-electric temperature control, entering a gas temperature control-electric temperature control state, heating by using the maximum gas flow, adjusting electric power to control the heating temperature and extracting current temperature information, judging whether the gas temperature control-electric exit state is reached, if so, entering a step S10, otherwise, increasing the electric power, increasing the heating temperature, and repeatedly executing a step S9;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, a gas temperature control-electricity exit state is reached;
s10: updating the state of the first state machine to be a gas temperature control-electric exit state, entering the gas temperature control-electric exit state, performing an electric heating disconnection process, and returning to the step S4;
s11: updating the state of the main state machine into an electric starting state, entering the electric starting state, and completing an electric ignition process by using a gas-electric hybrid heating wall-mounted furnace;
s12: updating the state of the main state machine to be electric temperature control, entering the electric temperature control state, continuously heating by using a gas-electric hybrid heating wall-mounted furnace, controlling the heating temperature, extracting current temperature information, judging whether the electric exit state is reached, if so, entering step S13, and otherwise, entering step S14;
when the current gas-electric hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, the current gas-electric hybrid heating wall-mounted furnace reaches an electric exit state;
s13: updating the state of the main state machine into an electric exit state, entering the electric exit state, performing an electric heating disconnection process by using a gas-electric hybrid heating wall-mounted furnace, ending the method, and waiting for receiving the next piece of heating demand information;
s14: judging whether the electric power value of the current gas-electric hybrid heating wall-mounted furnace reaches the electric power maximum threshold value, if so, entering a step S15, otherwise, increasing the current electric power, increasing the heating temperature, and returning to the step S12;
s15: judging whether the current control mode variable is electric priority heating or not, if so, entering a step S16, otherwise, directly ending the method and waiting for receiving the next piece of heating demand information;
s16: updating the state of the second state machine into an electric temperature control-gas starting state, entering the electric temperature control-gas starting state, and finishing the gas starting process by using a gas-electricity mixed heating wall-mounted furnace;
s17: updating the state of the second state machine to be electric temperature control-gas temperature control, entering the electric temperature control-gas temperature control state, heating by using maximum electric power, adjusting gas flow to control heating temperature and extracting current temperature information, judging whether the electric temperature control-gas exit state is reached, if so, entering step S18, otherwise, increasing electric power, increasing heating temperature, and repeatedly executing step S17;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, an electric temperature control-gas exit state is achieved;
s18: and updating the state of the second state machine to be an electric temperature control-gas exit state, entering the electric temperature control-gas exit state, performing a gas heating disconnection process, and returning to the step S12.
In this embodiment, in steps S4 and S12, when the heating demand information disappears, the wall-hanging stove directly exits the heating state.
In this embodiment, as shown in fig. 3, in the state transition process in the gas independent heating control mode, the system waits for a heating requirement in the idle state 01, and if the water temperature is lower than the set expected water temperature, the system needs to be heated, and then enters the gas start state 02 to perform a gas ignition process; and after the gas is ignited successfully, the gas enters a gas temperature control state 04, and the temperature of the heating water is adjusted by controlling the size of the gas combustion flame in the state. When the water heating requirement disappears or the water temperature reaches the expected temperature and needs to quit heating, the gas quitting state 06 is entered, the gas fire-off process is carried out in the state, the system returns to the idle state 01 after the fire-off is successful, and the heating requirement is continuously waited.
In this embodiment, as shown in fig. 4, the state transition process in the electric independent heating control mode is that in the electric independent heating control mode, the system waits for a heating demand in the idle state 01, if the water temperature is lower than the set expected water temperature, and heating is required, the system enters the electric start state 03 to perform the electric start process. After the electricity is successfully started, entering an electricity temperature control state 05, and adjusting the temperature of the heating water by controlling the magnitude of the electric heating power in the state; when the water heating requirement disappears or the water temperature reaches the expected temperature and needs to quit heating, the system enters an electric quitting state 07, the process of electric disconnection is carried out in the state, the system returns to an idle state 01 after the power failure succeeds, and the heating requirement is continuously waited.
In this embodiment, as shown in fig. 5, the state transition process in the gas-fired priority heating control mode is performed, in which when there is a heating demand, gas heating is preferentially started, and when the gas heating is insufficient, electric heating is started for supplement; the system waits for heating requirements in an idle state 01, if the water temperature is lower than the set expected water temperature and needs to be heated, the system enters a gas starting state 02 to carry out a gas ignition process; after the gas is successfully ignited, the gas enters a gas temperature control state 04, and the temperature of heating water is adjusted by controlling the size of gas combustion flame in the state; when the water heating requirement disappears or the water temperature reaches the expected temperature and needs to quit heating, the gas quitting state 06 is entered, the gas fire-off process is carried out in the state, the system returns to the idle state 01 after the fire-off is successful, and the heating requirement is continuously waited;
in the gas temperature control state 04, if the gas quantity is adjusted to the maximum and the temperature of the heating water still cannot reach the expected water temperature, operating a first sub-state machine, and starting electric heating for supplement; the method comprises the steps of firstly entering a gas temperature control-electric starting state 08, carrying out an electric heating starting process in the state to enable an electric heating component to start working, entering a gas temperature control-electric temperature control state 10 after the starting is finished, carrying out combustion heating on gas at the maximum gas flow in the gas temperature control-electric temperature control state 10, regulating the water heating temperature by controlling the power of electric heating, stopping the electric heating when the heating requirement disappears or the heating water temperature reaches the expected temperature, entering a gas temperature control-electric quitting state 12 at the moment, stopping the electric heating component, finishing the operation of a first sub-state machine after the electric quitting process is finished, and returning to a gas temperature control state 04.
In the present embodiment, as shown in fig. 6, a state transition process in an electric priority heating control mode is performed, in which when there is a heating demand, electric heating is preferentially started, and when the electric heating is insufficient, gas heating is started for supplement, and a specific control process is described below, the system waits for the heating demand in an idle state 01, and when the water temperature is lower than a set expected water temperature, heating is required, the system enters an electric start state 03, and an electric start process is performed, and after the electric start is successful, the system enters an electric temperature control state 05, in which the temperature of the heated water is adjusted by controlling the magnitude of electric heating power. When the water heating requirement disappears or the water temperature reaches the expected temperature and needs to quit heating, the system enters an electric quitting state 07, the process of electric disconnection is carried out in the state, the system returns to an idle state 01 after the power failure succeeds, and the heating requirement is continuously waited;
in the electric temperature control state 05, if the electric heating power has been adjusted to the maximum, the temperature of the heating water still fails to reach the desired water temperature, then the second sub-state machine is started, the gas heating is started for supplement, firstly the electric temperature control-gas starting state 09 is entered, in the electric temperature control-gas starting state 09, the gas ignition process is carried out, after the gas ignition is finished, the system enters the electric temperature control-gas temperature control state 11, in the electric temperature control-gas temperature control state 11, the electric heating is carried out at the maximum power, the water heating temperature is adjusted by controlling the gas quantity, when the heating demand disappears or the water heating temperature reaches the expected temperature, and stopping heating the fuel gas, entering the electric temperature control-fuel gas exit state 13 at the moment, performing the fuel gas fire-off process, finishing the operation of the second sub-state machine after the fuel gas fire-off is finished, and returning to the electric temperature control state 05.
The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (7)
1. A gas-electric hybrid heating control system characterized in that: the gas-electric hybrid heating wall-mounted furnace comprises a main controller arranged inside a gas-electric hybrid heating wall-mounted furnace, wherein a state unit is arranged inside the main controller, the state unit comprises a main state machine and at least one sub-state machine, and the main state machine and a plurality of sub-state machines are both positioned inside the main controller;
the gas-electric hybrid heating control system has the functions as follows:
extracting control mode variable indication information of a control mode setting unit of the gas-electric hybrid heating wall-hanging furnace and state indication information of a main state machine and a plurality of sub-state machines;
extracting comprehensive water temperature information, water flow information and equipment state information of the gas-electric hybrid heating wall-mounted boiler and generating heating demand information according to the comprehensive water temperature information, the water flow information and the equipment state information;
controlling a gas heating unit and an electric heating unit of the gas-electric hybrid heating wall-mounted furnace to heat according to all the acquired information, and extracting the gas flow of the gas heating unit and the electric power of the electric heating unit;
and the main state machine and the plurality of sub state machines update the state indication information of the current state machine according to the dispatched system information.
2. The gas-electric hybrid heating control system of claim 1, characterized in that: the state machine set comprises a main state machine, a first sub-state machine and a second sub-state machine, and the main state machine, the first sub-state machine and the second sub-state machine are all located in the main controller;
the states of the master state machine include: gas independent heating, electric independent heating, gas preferential heating and electric preferential heating;
under the gas temperature control state of the main state machine, the state of the first sub-state machine comprises: gas temperature control-electric starting, gas temperature control-electric temperature control and gas temperature control-electric quitting;
in the electrical temperature control state of the main state machine, the states of the second sub-state machine include: electric temperature control-gas start, electric temperature control-gas temperature control and electric temperature control-gas exit.
3. A gas-electric hybrid heating control method is characterized in that: based on gas-electricity hybrid heating control system, the system is including setting up the main control unit in gas-electricity hybrid heating hanging stove inside, and main control unit's inside is provided with the state unit, the state unit includes main state machine, first sub-state machine and the sub-state machine of second, the method includes following step:
s1: updating a gas-electric hybrid heating control system;
s2: receiving heating demand information, extracting control mode variable indication information, judging whether the current heating mode belongs to a gas heating mode according to the control mode variable indication information, if so, entering a step S3, otherwise, the current heating mode belongs to an electric heating mode, and entering a step S11;
s3: entering a gas starting state, and finishing a gas ignition process by using a gas-electricity mixed heating wall-mounted furnace;
s4: entering a gas temperature control state, continuously heating gas by using a gas-electricity hybrid heating wall-mounted furnace, controlling the heating temperature, extracting current temperature information, judging whether the gas exit state is reached or not according to the current temperature information, if so, entering a step S5, and if not, entering a step S6;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, the gas exit state is reached;
s5: entering a gas exit state, using a gas-electricity hybrid heating wall-mounted furnace to stop the gas fire, ending the method, and waiting for receiving the next piece of heating demand information;
s6: judging whether the gas flow of the current gas-electricity hybrid heating wall-mounted furnace reaches a maximum gas flow threshold, if so, entering a step S7, otherwise, increasing the current gas flow, increasing the heating temperature, and returning to the step S4;
s7: judging whether the current control mode variable is gas preferential heating or not, if so, entering a step S8, otherwise, directly ending the method and waiting for receiving the next piece of heating demand information;
s8: entering a gas temperature control-electric starting state, and completing an electric starting process by using a gas-electric hybrid heating wall-mounted furnace;
s9: entering a gas temperature control-electric temperature control state, heating by using the maximum gas flow, adjusting electric power to control the heating temperature and extracting current temperature information, judging whether the gas temperature control-electric exit state is reached, if so, entering a step S10, otherwise, increasing the electric power, increasing the heating temperature, and repeatedly executing a step S9;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, a gas temperature control-electricity exit state is reached;
s10: entering a gas temperature control-electric exit state, performing an electric heating disconnection process, and returning to the step S4;
s11: entering an electric starting state, and completing an electric ignition process by using a gas-electric hybrid heating wall-mounted furnace;
s12: entering an electric temperature control state, performing electric continuous heating by using a gas-electric hybrid heating wall hanging furnace, controlling the heating temperature, extracting current temperature information, judging whether the electric exit state is reached, if so, entering a step S13, otherwise, entering a step S14;
when the current gas-electric hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, the current gas-electric hybrid heating wall-mounted furnace reaches an electric exit state;
s13: entering an electric exit state, performing an electric heating disconnection process by using the gas-electric hybrid heating wall-mounted furnace, ending the method, and waiting for receiving the next piece of heating demand information;
s14: judging whether the electric power value of the current gas-electric hybrid heating wall-mounted furnace reaches the electric power maximum threshold value, if so, entering a step S15, otherwise, increasing the current electric power, increasing the heating temperature, and returning to the step S12;
s15: judging whether the current control mode variable is electric priority heating or not, if so, entering a step S16, otherwise, directly ending the method and waiting for receiving the next piece of heating demand information;
s16: entering an electric temperature control-gas starting state, and finishing a gas starting process by using a gas-electricity mixed heating wall-mounted furnace;
s17: entering an electric temperature control-gas temperature control state, heating by using maximum electric power, adjusting gas flow to control heating temperature and extracting current temperature information, judging whether the electric temperature control-gas exit state is reached, if so, entering a step S18, otherwise, increasing the electric power, increasing the heating temperature, and repeatedly executing a step S17;
when the current gas-electricity hybrid heating wall-mounted furnace is already in the heating state or the current temperature information reaches a preset temperature exit threshold value, an electric temperature control-gas exit state is achieved;
s18: entering an electric temperature control-gas exit state, performing a gas heating disconnection process, and returning to the step S12.
4. A gas-electric hybrid heating control method according to claim 3, characterized in that: in step S1, the gas-electric hybrid heating control system is updated, that is, the state of the main state machine is set to idle.
5. A gas-electric hybrid heating control method according to claim 3, characterized in that: in step S2, the control mode variables of the gas heating mode include gas independent heating and gas preferential heating; the control mode variables of the electric heating mode include electric independent heating and electric preferential heating.
6. A gas-electric hybrid heating control method according to claim 3, characterized in that: in the steps S4 and S12, when the heating demand information disappears, the wall-hanging stove directly exits the heating state.
7. A gas-electric hybrid heating control method according to claim 3, characterized in that: when the state of the current state machine is updated, the gas-electric hybrid heating control system enters a corresponding state and carries out operation corresponding to the state;
updating the state of the main state machine into a gas starting state, and entering the gas starting state;
updating the state of the main state machine into a gas temperature control state, and entering the gas temperature control state;
updating the state of the main state machine into a gas exit state, and entering the gas exit state;
updating the state of the first state machine into a gas temperature control-electric starting state, and entering the gas temperature control-electric starting state;
updating the state of the first state machine into a gas temperature control-electric temperature control state, and entering the gas temperature control-electric temperature control state;
updating the state of the first state machine into a gas temperature control-electric exit state, and entering the gas temperature control-electric exit state;
updating the state of the main state machine into an electric starting state, and entering the electric starting state;
updating the state of the main state machine into electric temperature control, and entering the electric temperature control state;
updating the state of the main state machine into an electrical exit state, and entering the electrical exit state;
updating the state of the second state machine into an electric temperature control-gas starting state, and entering the electric temperature control-gas starting state;
updating the state of the second state machine into an electric temperature control-gas temperature control state, and entering the electric temperature control-gas temperature control state;
and updating the state of the second state machine into an electric temperature control-gas exit state, and entering the electric temperature control-gas exit state.
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