CN215642433U - Control circuit for household heating furnace - Google Patents
Control circuit for household heating furnace Download PDFInfo
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- CN215642433U CN215642433U CN202122041642.4U CN202122041642U CN215642433U CN 215642433 U CN215642433 U CN 215642433U CN 202122041642 U CN202122041642 U CN 202122041642U CN 215642433 U CN215642433 U CN 215642433U
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Abstract
The utility model discloses a control circuit for a household heating furnace, which comprises a heating furnace control system, wherein the heating furnace control system comprises a temperature acquisition module, a processor module, a power supply conversion module, a communication module and a control module, the temperature acquisition module receives 6 paths of temperature signals, the communication module is connected with a touch screen, the control module is connected with a three-phase alternating current main circuit of the heating furnace and a power supply circuit of a water pump, the power supply conversion module is connected with a 24V power supply, the 6 paths of temperature signals transmit detected temperature data to the temperature acquisition module, and the output end of the temperature acquisition module is electrically connected with the input end of the processor module. According to the control circuit for the household heating furnace, the start-stop control of the heating main circuit of the household heating furnace and the water pump can be realized by connecting the temperature sensor, the three-phase alternating current main circuit of the heating furnace and the power supply circuit of the water pump, so that the purposes of circulating water supply and heating are achieved.
Description
Technical Field
The utility model relates to the field of heating furnace control, in particular to a control circuit for a household heating furnace.
Background
The control circuit of family's heating furnace is the electric connection circuit who carries out heating furnace temperature control, and when winter, the heating furnace of family's heating uses very commonly, controls the heating furnace through the mode of electrical property, plays the operation that the local heating heaies up, can carry out hydrothermal heating, and along with the continuous development of science and technology, people also are more and more high to the manufacturing process requirement of the control circuit of family's heating furnace.
The control circuit of current family heating furnace has certain drawback when using, at first, can not very convenient control the device when using, open and stop control comparatively troublesome, and internals heat dispersion is not good, is unfavorable for people's use, and still, the interface design is comparatively single, conversion that can not be fine, and the use of giving people has brought certain adverse effect, for this reason, we provide a control circuit for family heating furnace.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a control circuit for a household heating furnace, which can realize the start-stop control of a heating main circuit and a water pump of the household heating furnace by connecting a temperature sensor, a three-phase alternating current main circuit of the heating furnace and a power supply circuit of the water pump, achieves the purposes of circulating water supply and heating, and can effectively solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a control circuit for family's heating furnace, includes heating furnace control system, heating furnace control system includes temperature acquisition module, processor module, power conversion module, communication module and control module, 6 temperature signal are received to the temperature acquisition module, communication module connects the touch-sensitive screen, control module connects the three-phase main circuit of exchanging of heating furnace and the supply circuit of water pump, the 24V power is connected to the power conversion module.
Preferably, the temperature data that 6 way temperature signal will detect is transmitted to the temperature acquisition module, the output of temperature acquisition module and the input electric connection of processor module, the output and the input electric connection of communication module, control module of processor module, power conversion module transmits 5V electric energy for temperature acquisition module, processor module, communication module and control module.
Preferably, the communication module can adopt two communication interfaces of TTL and RS485 to realize data communication connection with the touch screen, and a resistor R52 and a resistor R53 are arranged at a connection position.
Preferably, when the resistor R52 and the resistor R53 are reserved without welding, the RS485 functions, the module adopts an RS485 communication interface, and when the resistor R52 and the resistor R53 are in a welding state, the RS485 is shielded, and the TTL communication interface functions.
Preferably, the temperature acquisition module can be connected with 6 NTC thermistor temperature sensor input signals to realize continuous temperature measurement between 0 ℃ and 100 ℃, the processor module applies 8-bit high-performance single chip microcomputer ATmega88PA and an internal integrated 8-bit ADC circuit, temperature signals are converted from analog quantity to digital quantity, and start-stop control of the heating furnace and the water pump is realized through the control module.
Preferably, the control module uses a relay and a program of a singlechip in the silicon controlled execution processor module to realize start and stop control of the heating furnace and the water pump according to a set temperature, and the power supply conversion module converts 24V external input direct current voltage into 5V direct current voltage to provide power supply for the temperature acquisition module, the processor module, the communication module and the control module.
(III) advantageous effects
Compared with the prior art, the utility model provides a control circuit for a household heating furnace, which has the following beneficial effects: the control circuit for the household heating furnace can realize start-stop control of a heating main circuit and a water pump of the household heating furnace through connecting a temperature sensor, a three-phase alternating current main circuit of the heating furnace and a power supply circuit of the water pump, and achieves the purposes of circulating water supply and heating, and comprises a heating furnace control system, wherein the heating furnace control system comprises a temperature acquisition module, a processor module, a power supply conversion module, a communication module and a control module, the temperature acquisition module receives 6 paths of temperature signals, the communication module is connected with a touch screen, the control module is connected with the three-phase alternating current main circuit of the heating furnace and the power supply circuit of the water pump, the power supply conversion module is connected with a 24V power supply, and the communication module can realize data communication connection with the touch screen by adopting two communication interfaces of TTL and RS 485; the application expansibility of the circuit is improved, the design cost of product updating is reduced, the controllable silicon of the control module is directly fixed on a cast aluminum elbow inside the heater through a rivet, the heat dissipation problem of the high-power controllable silicon is solved, the reliability and the safety of the product are improved, the communication module is realized by adopting the multiplexing design of two communication interfaces of TTL and RS485, when the resistors R52 and R53 are reserved and not welded, the RS485 plays a role, and the module adopts the RS485 communication interface; when the resistors R52 and R53 are in a welding state, RS485 is shielded, a TTL communication interface plays a role, three high-power thyristors are arranged on the edge of the top of a circuit board during the design of a control module and are directly fixed on a cast aluminum elbow inside a heater through rivets, the heat dissipation problem of the high-power thyristors is solved, the reliability and safety of a product are improved, a temperature signal acquisition module can be connected with input signals of a 6-path NTC thermistor temperature sensor and can realize continuous temperature measurement between 0 ℃ and 100 ℃, a processor module applies an 8-bit high-performance singlechip ATmega88PA and an 8-path 10-bit ADC circuit are integrated inside the processor module and can convert temperature signals into digital quantities, the singlechip can realize start and stop control of a heating furnace and a water pump through the control module according to the temperature set by a user through programming, and the control module applies programs of a relay and the singlechip in the silicon controlled execution processor module to realize the start and stop control of the heating furnace and the water pump according to the temperature set by the user The start and stop control of the pump, the control circuit of the whole family heating furnace is simple in structure, convenient to operate, and better in use effect compared with the traditional mode.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a control circuit for a household heating furnace according to the present invention.
Fig. 2 is a schematic structural diagram of an RS485 interface design for multiplexing a communication interface in a control circuit of a household heating furnace according to the present invention.
Fig. 3 is a schematic structural diagram of a TTL interface design of a communication interface multiplexing design in a control circuit for a home heating furnace according to the present invention.
Fig. 4 is a schematic structural diagram of an input signal acquisition module of a six-channel thermistor temperature sensor in a control circuit for a household heating furnace.
FIG. 5 is a schematic diagram of the structure of a processor module in the control circuit for the household heating furnace according to the present invention.
Fig. 6 is a schematic structural diagram of a control module of a three-phase alternating current power supply and a water pump power supply in a control circuit for a household heating furnace.
Fig. 7 is a schematic structural diagram of a power conversion module in a control circuit for a household heating furnace according to the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and the detailed description, but those skilled in the art will understand that the following described embodiments are some, not all, of the embodiments of the present invention, and are only used for illustrating the present invention, and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The examples, in which specific conditions are not specified, were conducted under conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-7, a control circuit for a household heating furnace comprises a heating furnace control system, wherein the heating furnace control system comprises a temperature acquisition module, a processor module, a power supply conversion module, a communication module and a control module, the temperature acquisition module receives 6 paths of temperature signals, the communication module is connected with a touch screen, the control module is connected with a three-phase alternating current main circuit of the heating furnace and a power supply circuit of a water pump, and the power supply conversion module is connected with a 24V power supply.
Further, temperature data that 6 way temperature signal will detect transmits the temperature acquisition module, the output of temperature acquisition module and the input electric connection of processor module, the output and the communication module of processor module, control module's input electric connection, power conversion module transmits 5V electric energy for the temperature acquisition module, the processor module, communication module and control module, through connecting temperature sensor, three-phase alternating current circuit, the water pump can realize opening to stop the control to family's heating furnace heating main circuit and water pump, reach the purpose of circulating water supply and heating.
Further, communication module can adopt TTL and RS485 two kinds of communication interface to realize being connected with the data communication of touch-sensitive screen, and the junction sets up resistance R52 and resistance R53, has improved the application expansibility of circuit, has reduced the design cost that the product is updated and is updated.
Further, when the resistor R52 and the resistor R53 are reserved and not welded, the RS485 functions, the RS485 communication interface is adopted by the module, when the resistor R52 and the resistor R53 are in a welding state, the RS485 is shielded, and the TTL communication interface functions.
Furthermore, the temperature acquisition module can be connected with input signals of a 6-path NTC type thermistor temperature sensor to realize continuous temperature measurement between 0 ℃ and 100 ℃, the processor module applies an 8-bit high-performance single chip microcomputer ATmega88PA, an 8-path 10-bit ADC circuit is integrated inside, temperature signals are converted from analog quantity to digital quantity, and start-stop control of the heating furnace and the water pump is realized through the control module.
Furthermore, the control module uses a relay and a program of a singlechip in the silicon controlled rectifier execution processor module to realize the start and stop control of a three-phase alternating current circuit and a water pump according to the set temperature, the power supply conversion module converts 24V external input direct current voltage into 5V direct current voltage to supply power for the temperature acquisition module, the processor module, the communication module and the control module, and the silicon controlled rectifier of the control module is directly fixed on a cast aluminum elbow inside the heater through a rivet, so that the heat dissipation problem of the high-power silicon controlled rectifier is solved, and the reliability and the safety of a product are improved.
The working principle is as follows: the heating furnace control system comprises a temperature acquisition module, a processor module, a power supply conversion module, a communication module and a control module, wherein the temperature acquisition module receives 6 paths of temperature signals, the communication module is connected with a touch screen, the control module is connected with a three-phase alternating current main circuit of the heating furnace and a power supply circuit of a water pump, the power supply conversion module is connected with a 24V power supply, and the communication module can realize data communication connection with the touch screen by adopting two communication interfaces of TTL (transistor-transistor logic) and RS 485; the application expansibility of the circuit is improved, the design cost of product updating is reduced, the controllable silicon of the control module is directly fixed on a cast aluminum elbow inside the heater through a rivet, the heat dissipation problem of the high-power controllable silicon is solved, the reliability and the safety of the product are improved, the communication module is realized by adopting the multiplexing design of two communication interfaces of TTL and RS485, when the resistors R52 and R53 are reserved and not welded, the RS485 plays a role, and the module adopts the RS485 communication interface; when the resistors R52 and R53 are in a welding state, RS485 is shielded, a TTL communication interface plays a role, three high-power thyristors are arranged on the edge of the top of a circuit board during the design of a control module and are directly fixed on a cast aluminum elbow inside a heater through rivets, the heat dissipation problem of the high-power thyristors is solved, the reliability and safety of a product are improved, a temperature signal acquisition module can be connected with input signals of a 6-path NTC thermistor temperature sensor and can realize continuous temperature measurement between 0 ℃ and 100 ℃, a processor module applies an 8-bit high-performance singlechip ATmega88PA and an 8-path 10-bit ADC circuit are integrated inside the processor module and can convert temperature signals into digital quantities, the singlechip can realize start and stop control of a heating furnace and a water pump through the control module according to the temperature set by a user through programming, and the control module applies programs of a relay and the singlechip in the silicon controlled execution processor module to realize the start and stop control of the heating furnace and the water pump according to the temperature set by the user The control of opening of pump, power conversion module convert 24V external input direct current voltage into 5V direct current voltage and provide the power supply for temperature acquisition module, processor module, communication module, control module, can realize opening the control of opening to family's heating furnace heating main circuit and water pump through connecting temperature sensor, three-phase alternating current circuit, water pump, reach the purpose of circulating water supply and heating.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a control circuit for family's heating furnace, includes heating furnace control system, its characterized in that: the heating furnace control system comprises a temperature acquisition module, a processor module, a power supply conversion module, a communication module and a control module, wherein the temperature acquisition module receives 6 paths of temperature signals, the communication module is connected with a touch screen, the control module is connected with a three-phase alternating current main circuit of the heating furnace and a power supply circuit of a water pump, and the power supply conversion module is connected with a 24V power supply.
2. A control circuit for a home heating stove according to claim 1, characterized in that: the temperature data that 6 way temperature signal will detect transmit the temperature acquisition module to, the output of temperature acquisition module and the input electric connection of processor module, the output and the input electric connection of communication module, control module of processor module, power conversion module transmits 5V electric energy for temperature acquisition module, processor module, communication module and control module.
3. A control circuit for a home heating stove according to claim 1, characterized in that: the communication module can adopt two communication interfaces of TTL and RS485 to realize data communication connection with the touch screen, and a resistor R52 and a resistor R53 are arranged at the connection position.
4. A control circuit for a home heating stove according to claim 3, characterized in that: when the resistor R52 and the resistor R53 are reserved and not welded, the RS485 plays a role, the module adopts an RS485 communication interface, when the resistor R52 and the resistor R53 are in a welding state, the RS485 is shielded, and the TTL communication interface plays a role.
5. A control circuit for a home heating stove according to claim 1, characterized in that: the temperature acquisition module can be connected with 6 NTC type thermistor temperature sensor input signals, realizes continuous temperature measurement between 0 ℃ and 100 ℃, the processor module uses 8 high performance singlechips ATmega88PA, and 8 internal integrated 10-bit ADC circuits convert temperature signals from analog quantity to digital quantity, and the control module realizes the start-stop control of three-phase alternating current circuit and water pump.
6. A control circuit for a home heating stove according to claim 1, characterized in that: the control module uses a relay and a program of a singlechip in the silicon controlled execution processor module to realize the start and stop control of the heating furnace and the water pump according to the set temperature, and the power supply conversion module converts 24V external input direct current voltage into 5V direct current voltage to provide power supply for the temperature acquisition module, the processor module, the communication module and the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041642.4U CN215642433U (en) | 2021-08-27 | 2021-08-27 | Control circuit for household heating furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122041642.4U CN215642433U (en) | 2021-08-27 | 2021-08-27 | Control circuit for household heating furnace |
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| CN215642433U true CN215642433U (en) | 2022-01-25 |
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| CN202122041642.4U Active CN215642433U (en) | 2021-08-27 | 2021-08-27 | Control circuit for household heating furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430129A (en) * | 2023-06-15 | 2023-07-14 | 创辉科技有限公司 | Electrical safety detection system |
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2021
- 2021-08-27 CN CN202122041642.4U patent/CN215642433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116430129A (en) * | 2023-06-15 | 2023-07-14 | 创辉科技有限公司 | Electrical safety detection system |
| CN116430129B (en) * | 2023-06-15 | 2023-09-08 | 创辉科技有限公司 | Electrical safety detection system |
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