CN111365763B - Heating control system - Google Patents
Heating control system Download PDFInfo
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- CN111365763B CN111365763B CN202010176056.8A CN202010176056A CN111365763B CN 111365763 B CN111365763 B CN 111365763B CN 202010176056 A CN202010176056 A CN 202010176056A CN 111365763 B CN111365763 B CN 111365763B
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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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- 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
- F24D19/1096—Arrangement or mounting of control or safety devices for electric heating systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Central Heating Systems (AREA)
Abstract
The invention relates to a heating control system, wherein a power supply module and a WIFI module are utilized to form a plurality of temperature controllers and control equipment in a heating system for heating and are shared in the power supply module and the WIFI module, because the power supply module for one temperature control and the power supply modules for the temperature controllers are basically the same as accessories, and only the power of individual components is different. The power module is adopted to share a plurality of temperature controllers and control equipment, so that the use amount of elements is reduced, the cost is greatly reduced, and the reliability of the system is improved.
Description
Technical Field
The invention relates to the field of heating systems, in particular to a heating control system.
Background
A heating system is a system for supplying corresponding heat to a room in order to maintain a desired temperature in the room, and is generally classified into an electric heating system and a water heating system. Whether an electric heating system or a water heating system, the heating system generally comprises two parts of heating equipment and a control system; the control system generally comprises a main control board and more than one thermostat.
Generally can be equipped with a power module and a WIFI module in the temperature controller among the present heating control system, when including a plurality of temperature controllers among the heating control system, means that a heating control system is equipped with a plurality of power modules and WIFI module. This increases the cost of the heating control system.
In view of the above, the present inventors have devised the heating control system based on the above problems and have devised the present invention.
Disclosure of Invention
The invention aims to provide a heating control system, which greatly reduces the cost of the heating control system.
In order to achieve the purpose, the invention adopts the technical scheme that:
a heating control system, comprising:
the main control board is provided with a first micro control unit, a power supply module, a WiFi module, a heating equipment output and control port and more than one signal transceiving unit;
the power supply module is connected to the first micro control unit after voltage stabilization and reduction; the WiFi module and the heating equipment output and control unit are connected with a first micro control unit; the signal transceiving unit is connected with the power supply module and the first micro control unit;
and the temperature controllers correspond to the signal receiving and transmitting units of the main control board one by one and are connected with the signal generating module of the main control board through two wires.
The signal receiving and transmitting unit on the main control board comprises a first signal receiving module and two lead connecting ports, wherein the two lead connecting ports are a first lead connecting port and a second lead connecting port; the output end of the first signal receiving module is connected with the first micro control unit, and the input end of the first signal receiving module is connected to the second wire connecting port; the output end of the power supply module is directly connected with the first lead connecting port;
the temperature controller is provided with a floor temperature sensor, a second micro control unit, a second signal generation module, a bridge rectifier unit and two lead connecting ports;
the two lead connecting ports are a third lead connecting port and a fourth lead connecting port, the third lead connecting port is connected with the first lead connecting port through a connecting lead, and the fourth lead connecting port is connected with the second lead connecting port through another connecting lead;
the third wire connecting port and the fourth wire connecting port are both connected to the bridge rectifier unit, the output end of the bridge rectifier unit is connected with the second signal generating module after voltage stabilization and reduction, and the input end of the second signal generating module is connected with the second micro control unit; the floor temperature sensor is connected with the second micro control unit.
The second signal generation module comprises a switch element and a load, one end of the switch element is a control end and is connected to the first micro control unit or the second micro control unit, one end of the switch element is connected with the load, the other end of the switch element is a negative electrode output end and is connected with the first wire connection port or grounded, one end of the load is connected with the switch element, and the other end of the load is used as the input end of the whole machine and is connected with the power supply module or the bridge rectifier unit.
The load is a resistor R1, and the switch element is composed of a triode Q1 resistors R2.
The signal receiving module comprises a load and a signal amplifying unit, two input ends of the signal amplifying unit are connected with two ends of the load, a signal output end of the signal amplifying unit is connected with the first micro control unit or the second micro control unit, one end of the load is used as the input end of the whole machine to be connected with the power supply module or the bridge rectifier unit, and the other end of the load is used as the negative output end to be connected with the second wire connecting port or the fourth wire connecting port.
The load is a resistor R3, and the signal amplification unit is composed of a resistor R4, a capacitor C, a triode Q1 and a resistor R5.
The signal receiving and transmitting unit on the main control board further comprises a first signal generating module, the first signal generating module is connected between the power supply module and the first lead connecting port in series, the input end of the first signal generating module is connected with the power supply module, the output end of the first signal generating module is connected with the first lead connecting port, and the control end of the first signal generating module is connected with the first micro control unit;
the temperature controller is also provided with a second signal receiving module which is connected between the fourth wire connecting port and the bridge type rectifying unit in series, one end of the second signal receiving module is connected with the fourth wire connecting port, the other end of the second signal receiving module is connected with the bridge type rectifying unit, and the signal output end of the second signal receiving module is connected with the second micro control unit.
The first signal generation module is the same as the second signal generation module; the second signal receiving module is the same as the first signal receiving module.
The number of the main control boards is more than two, linkage ports are further arranged on the main control boards, and the main control boards are connected through the linkage ports.
After the scheme is adopted, the heating system comprises the plurality of temperature controllers and the control equipment which are formed by the power supply module and the WIFI module and are shared by the power supply module and the WIFI module, and one power supply module for one temperature controller and one power supply module for the plurality of temperature controllers are basically the same as accessories, but the power of individual components is different. The power module is adopted to share a plurality of temperature controllers and control equipment, so that the use amount of elements is reduced, the cost is greatly reduced, and the reliability of the system is improved.
In addition, the power supply and communication of each temperature controller are realized by a two-wire connection method of a loop, so that the installation workload of engineering personnel can be reduced, and the working efficiency can be improved. The main control board is connected with the temperature controller without polarity, and can also reduce the installation work amount of engineering personnel and improve the advisability of the installation quality of the engineering.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the main control board and the temperature controller of the present invention during one-way transmission;
FIG. 3-1 is a schematic diagram of a first embodiment of the present invention when the main control board and the temperature controller are bidirectionally transmitted;
FIG. 3-2 is a schematic diagram of a second embodiment of the present invention when the main control board and the temperature controller are bidirectionally transmitted;
FIG. 3-3 is a schematic diagram of a third embodiment of the present invention when the main control board and the temperature controller are bidirectionally transmitted;
FIG. 4 is a schematic structural diagram of a signal generating module;
FIG. 5 is a circuit diagram of an embodiment of a signal generating module;
FIG. 6 is a schematic structural diagram of a signal receiving module;
fig. 7 is a circuit diagram of an embodiment of a signal receiving module.
Detailed Description
As shown in fig. 1, the present invention discloses a heating control system, which includes:
the main control board 1 is provided with a first micro control unit 11, a power module 12, a WiFi module 13, a heating equipment output and control port 14 and more than one signal transceiving unit 15, wherein the first micro control unit 11 is arranged on the main control board 1;
the power module 12 is connected to the first micro control unit 11 after voltage stabilization and reduction, and provides power for the first micro control unit 11; the WiFi module 13 is connected with the first micro control unit 11, and signal data transmission between the WiFi module and the first micro control unit is achieved; the output of the heating equipment and the control port 14 are connected with the heating equipment; the signal transceiving unit 15 is connected with the power module 12 and the first micro control unit 11;
more than one temperature controller 2, the temperature controllers 2 correspond to the signal receiving and transmitting units 15 of the main control board 1 one by one, and are connected with the signal generating module of the main control board 1 through two wires.
The main control board 1 and the temperature controller 2 can perform both one-way communication and two-way communication, when the one-way communication is performed, the temperature controller 2 transmits signals to the main control board 1, and the main control board 1 controls the output power, the output flow or the closing of the heating equipment according to the data transmitted by the temperature controller 2 and through the output and control port 14 of the heating equipment. When carrying out the two-way communication, except that temperature controller 2 transmits data to main control board 1, main control board 1 also can transmit control signal to temperature controller 2, and the signal that WiFi module 13 can receive the internet probably transmits to main control board 1CPU promptly, and the CUP of main control board passes through the signal generator of main control board and transmits signal transmission to each temperature controller 2.
The signal transceiver unit 15 and the temperature controller 2 of the main control board during the unidirectional communication are slightly different from those during the bidirectional communication. As shown in fig. 2, during the one-way communication, the signal transceiver unit 15 of the main control board 1 and the temperature controller 2 have the following structures:
specifically, the signal transceiving unit 15 on the main control board 1 includes a first signal receiving module 151 and two wire connection ports, where the two wire connection ports are a first wire connection port 41 and a second wire connection port 42; the output terminal of the first signal receiving module 151 is connected to the CPU, and the input terminal is connected to the second wire connection port 42; the output terminal of the power module 12 is directly connected to the first wire connection port 41.
The temperature controller 2 is provided with a floor temperature sensor 21, a second micro control unit 22, a second signal generation module 23, a bridge rectifier unit 24 and two lead connecting ports. The two wire connection ports are a third wire connection port 43 and a fourth wire connection port 44, the third wire connection port 43 is connected with the first wire connection port 41 through a connection wire, and the fourth wire connection port 44 is connected with the second wire connection port through another connection wire. The third wire connection port 43 and the fourth wire connection port 44 are both connected to the bridge rectifier unit 24, the output end of the bridge rectifier unit 24 is connected to the second signal generation module 23 after voltage stabilization and reduction, and the input end of the second signal generation module 23 is connected to the second micro control unit 22; the floor temperature sensor 21 is connected to a second micro control unit 22.
As shown in fig. 3-1 to 3-3, the signal transceiver unit 15 and the thermostat 2 of the main control board have the following structures during two-way communication:
specifically, the signal transceiver unit 15 on the main control board 1 includes a first signal generating module 152 besides the first signal receiving module 151 and two wire connection ports, the first signal generating module 152 is connected in series between the power module 12 and the first wire connection port 41, the input end of the first signal generating module 152 is connected to the power module 12, the output end of the first signal generating module is connected to the first wire connection port 41, and the control end of the first signal generating module is connected to the first micro control unit 11.
The temperature controller 2 is provided with a second signal receiving module 25 in addition to a floor temperature sensor 21, a second micro control unit 22, a signal generating module, a bridge rectifier unit 24 and two wire connecting ports, wherein the second signal receiving module 25 is connected in series between a fourth wire connecting port 44 and the bridge rectifier unit 24, one end of the second signal receiving module 25 is connected with the fourth wire connecting port 44, the other end of the second signal receiving module is connected with the bridge rectifier unit 24, and a signal output end of the second signal receiving module is connected with the second micro control unit 22.
The first signal receiving module 151 and the second signal receiving module 25 have the same structure, and the first signal generating module 152 and the second signal generating module 23 have the same structure. As shown in fig. 4, the signal generating module includes a switch element and a load, one end of the switch element is a control end, and is connected to the first micro control unit 11 or the second micro control unit 22, one end of the switch element is connected to the load, the other end of the switch element is a negative output end and is connected to the first wire connection port 41 or grounded, one end of the load is connected to the switch element, and the other end of the load is used as an input end of the whole machine and is connected to the power module 12 or the bridge rectifier unit 24. Fig. 5 is a circuit diagram of an embodiment of the signal generating module, in which the load is a resistor R1, and the switching element is composed of a transistor Q1 resistors R2.
As shown in fig. 6, the signal receiving module includes a load and a signal amplifying unit, two input ends of the signal amplifying unit are connected to two ends of the load, a signal output end of the signal amplifying unit is connected to the first micro control unit 11 or the second micro control unit 22, one end of the load is used as an input end of the whole machine and is connected to the power module 12 or the bridge rectifier unit 24, and the other end is used as a negative output end and is connected to the second wire connection port 42 or the fourth wire connection port 44. Fig. 7 is a circuit diagram of an embodiment of the signal receiving module, in which the load is a resistor R3, and the signal amplifying unit is composed of a resistor R4, a capacitor C, a transistor Q1, and a resistor R5.
The heating system may be divided into a water heating system and an electric heating system. The control output principle of the water heating system is basically the same as that of the electric heating system, and the water heating system only controls equipment such as a circulating water pump and a wall-mounted boiler (or a boiler and a heat pump unit). The electric heating system electrically heats the load and has large electric power.
In the design and application process of an actual water heating system, if only one main controller cannot meet the requirements of the whole heating system, two or more main controllers need to be installed, and one heating system generally only has one set of heating main equipment (such as a circulating water pump, a wall-mounted boiler or a boiler and a heat pump unit). That is, a heating system is provided with a plurality of main controllers, but only one main controller is connected with and controls the heating main equipment. If all the main controllers can control the load of each loop and the main heating equipment, the main controller which is not connected with the main heating equipment transmits a signal to the main controller connected with the main heating equipment to control the on and off of the main heating equipment, and the control mode is called linkage control.
The linkage method comprises the following steps: one port for controlling the output of the heating main equipment is a port for controlling the wall-mounted furnace, the port is a passive output switch, and passive output ports in the main controllers which are not connected with the heating main equipment are connected to linkage ports in the main controllers which are connected with the heating main equipment. And the linkage control of all the main controllers to the heating main equipment is realized.
The electric heating is heating by an electric heating body (i.e. an electric heating load, hereinafter referred to as an electric load), and the electric load is generally installed in a floor or in a wall. The electric load is a high-power current large load, the diameter of an electric wire and an electric cable is selected to be larger than that of an electric wire and an electric cable of a common lighting and electric appliance during installation, and in a traditional control method, a main power supply is connected to a temperature controller 2 and then outputs the power supply to the electric load. The traditional product not only has high installation cost but also increases the difficulty of construction and installation. The method solves the problem that the diameter of the electric wire and the cable is large and difficult to construct in installation and construction by adopting two methods with the same principle and different designs. The control output component with relatively small electric load power can be arranged on the main control board (the component for controlling output mainly comprises a relay or a trigger controlled silicon, etc.). The electric heating output module can be independently designed outside the main control panel when the electric load power is high, and the electric heating output module is additionally arranged according to the quantity requirement of the electric heating systems. The method can design the electric heating power modules with different power sizes according to the requirements. And the split installation method can reduce the working difficulty during installation and increase the installation flexibility.
The temperature sensor in the temperature controller 2 measures the indoor temperature, the floor temperature transmitter measures the floor temperature, the floor temperature transmitter sets a temperature for limiting the temperature to be too high, after the temperature of the two sensors is measured by the temperature controller 2, the CPU of the temperature controller 2 sends a signal instruction to the signal transmitter module of the temperature controller 2 and transmits the signal to the main control board (the two are connected through two lead wires) and the signal receiving module of the main control board receives the signal and transmits the signal to the CPU of the main control board after amplification processing. The main control board CPU receives the signal of the temperature controller 2 and then switches on or off, the main control board CPU processes and outputs a switching signal to the switching circuit of the main control board 1, and the switching on or off of the main control board switching circuit is determined by the signal transmitted by the temperature controller 2. Therefore, the electric valve power supply of the heating equipment is turned on or off by the switch element (the relay or the silicon controller), the equipment such as the heating circulating water pump, the wall-hanging furnace (or the boiler and the heat pump unit) and the like is turned on or off after the delay of the same circuit principle, and the heating equipment is turned off by the two temperature sensors as long as the other temperature sensor reaches a set value of the temperature to be turned off. The WiFi module 13 can receive signals of the Internet and possibly transmit the signals to the CPU of the main control board 1, and the CPU of the main control board transmits the signals to each temperature controller 2 through the signal generator of the main control board. The power supply of the main control board provides power for the module devices and all the thermometers of the whole main control board. The signal receiving module of the temperature controller 2, the signal generating module of the main control board and the WiFi module 13 of the main control board are deleted through one-way transmission, and the control function of the temperature controller 2 is realized through one-way transmission to the main control board. The working principle is the same as the method for transmitting signals from the temperature controller 2 to the main control board in bidirectional transmission.
The temperature sensor in the temperature controller 2 measures the indoor temperature, the floor temperature transmitter measures the floor temperature, the floor temperature transmitter sets a temperature for limiting the temperature to be too high, after the temperature of the two sensors is measured by the temperature controller 2, the CPU of the temperature controller 2 sends a signal instruction to the signal transmitter module of the temperature controller 2 and transmits the signal to the main control board (the two are connected by two lead wires) and the signal receiving module of the main control board receives the signal and transmits the signal to the CPU of the main control board after amplification processing. The main control board CPU receives the signal of the temperature controller 2 and then switches on or off, the main control board CPU processes and outputs a switching signal to the switching circuit of the main control board 1, and the switching on or off of the main control board switching circuit is determined by the signal transmitted by the temperature controller 2. Therefore, the electric load of the heating equipment is switched on or off by the switch element (the relay or the silicon controller), and the electric load of the heating equipment is switched off by the two temperature sensors as long as the other temperature sensor reaches a set value of the temperature to be switched off. The WiFi module 13 can receive the signal of internet and can transmit for main control board CPU, and the CUP of main control board transmits the signal to each temperature controller 2 through the signal generator module of main control board. Similarly, data in each temperature controller 2 can also be transmitted to the WiFi module 13 through the signal generator module of the temperature controller 2, the CPU of the main control board and the signal receiver module of the main control board, and then the data are transmitted to the Internet, and the power module 12 of the main control board supplies power to all the module devices in the whole main control board and all the devices in all the temperature controllers.
The signal receiving module of the temperature controller 2, the signal generating module of the main control board and the WiFi module 13 of the main control board are deleted through one-way transmission, and the control function of the temperature controller 2 is realized through one-way transmission to the main control board. The working principle is the same as the method for transmitting signals from the temperature controller 2 to the main control board in bidirectional transmission.
The above description is only exemplary of the present invention and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above exemplary embodiments according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (8)
1. A heating control system, comprising:
the main control board is provided with a first micro control unit, a power supply module, a WiFi module, a heating equipment output and control port and more than one signal transceiving unit;
the power supply module is connected to the first micro control unit after voltage stabilization and reduction; the WiFi module and the output and control port of the heating equipment are connected with a first micro control unit; the signal transceiving unit is connected with the power supply module and the first micro control unit;
the temperature controllers correspond to the signal receiving and transmitting units of the main control board one by one and are connected with the signal generating module of the main control board through two wires;
the signal receiving and transmitting unit on the main control board comprises a first signal receiving module and two lead connecting ports, wherein the two lead connecting ports are a first lead connecting port and a second lead connecting port; the output end of the first signal receiving module is connected with the first micro control unit, and the input end of the first signal receiving module is connected to the second wire connecting port; the output end of the power supply module is directly connected with the first lead connecting port;
the temperature controller is provided with a floor temperature sensor, a second micro control unit, a second signal generation module, a bridge rectifier unit and two lead connecting ports;
the two lead connecting ports are a third lead connecting port and a fourth lead connecting port, the third lead connecting port is connected with the first lead connecting port through a connecting lead, and the fourth lead connecting port is connected with the second lead connecting port through another connecting lead;
the third wire connecting port and the fourth wire connecting port are both connected to the bridge rectifier unit, the output end of the bridge rectifier unit is connected with the second signal generating module after voltage stabilization and reduction, and the input end of the second signal generating module is connected with the second micro control unit; the floor temperature sensor is connected with the second micro control unit.
2. The heating control system according to claim 1, wherein: the second signal generation module comprises a switch element and a load, one end of the switch element is a control end and is connected to the first micro control unit or the second micro control unit, one end of the switch element is connected with the load, the other end of the switch element is a negative electrode output end and is connected with the first wire connection port or grounded, one end of the load is connected with the switch element, and the other end of the load is used as the input end of the whole machine and is connected with the power supply module or the bridge rectifier unit.
3. The heating control system according to claim 2, wherein: the load is a resistor R1, and the switch element is composed of a triode Q1 and a resistor R2.
4. The heating control system according to claim 2, wherein: the signal receiving module comprises a load and a signal amplifying unit, two input ends of the signal amplifying unit are connected with two ends of the load, a signal output end of the signal amplifying unit is connected with the first micro control unit or the second micro control unit, one end of the load is used as the input end of the whole machine to be connected with the power supply module or the bridge rectifier unit, and the other end of the load is used as the negative output end to be connected with the second wire connecting port or the fourth wire connecting port.
5. The heating control system according to claim 4, wherein: the load is a resistor R3, and the signal amplification unit is composed of a resistor R4, a capacitor C, a triode Q1 and a resistor R5.
6. The heating control system according to any one of claims 1 to 5, wherein: the signal receiving and transmitting unit on the main control board further comprises a first signal generating module, the first signal generating module is connected between the power supply module and the first lead connecting port in series, the input end of the first signal generating module is connected with the power supply module, the output end of the first signal generating module is connected with the first lead connecting port, and the control end of the first signal generating module is connected with the first micro control unit;
the temperature controller is also provided with a second signal receiving module which is connected between the fourth wire connecting port and the bridge type rectifying unit in series, one end of the second signal receiving module is connected with the fourth wire connecting port, the other end of the second signal receiving module is connected with the bridge type rectifying unit, and the signal output end of the second signal receiving module is connected with the second micro control unit.
7. The heating control system according to claim 6, wherein: the first signal generation module is the same as the second signal generation module; the second signal receiving module is the same as the first signal receiving module.
8. The heating control system according to claim 1, wherein: the number of the main control boards is more than two, linkage ports are further arranged on the main control boards, and the main control boards are connected through the linkage ports.
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| CN205581673U (en) * | 2016-01-27 | 2016-09-14 | 深圳市祈飞科技有限公司 | Network temperature controller based on WLAN |
| CN206848831U (en) * | 2017-05-19 | 2018-01-05 | 北京金茂绿建科技有限公司 | Temperature control device |
| CN108628180A (en) * | 2018-05-25 | 2018-10-09 | 上海犀悦数据技术有限公司 | The All-in-One intelligent controller and its control method of extensible modules |
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