CN218181340U - Metering heating temperature control communication panel - Google Patents
Metering heating temperature control communication panel Download PDFInfo
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- CN218181340U CN218181340U CN202221175011.XU CN202221175011U CN218181340U CN 218181340 U CN218181340 U CN 218181340U CN 202221175011 U CN202221175011 U CN 202221175011U CN 218181340 U CN218181340 U CN 218181340U
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Abstract
The utility model discloses a measurement heating control by temperature change communication panel. The metering heating temperature control communication panel consists of a shell, a liquid crystal panel, a configuration button and a control circuit board. The control circuit board is provided with a control circuit, and the control circuit mainly comprises the following modules: the device comprises a processor, a liquid crystal driving module, a first communication module, a second communication module, a third communication module, an HLink firmware module, a temperature and humidity detection module, a memory module and a power supply module. This panel is applicable to central heating system in the north, can gather data such as real-time water consumption, heat and calculate according to data and can realize the heating measurement charge in the north, sets up the humiture display area on the panel of this product, can acquire current environment humiture data through temperature and humidity sensor. The HLink firmware is adopted, and terminal equipment with various protocols can be connected. The controller of this product adopts 433 wireless communication mode, avoids using the additional engineering volume that wired access brought, simple to operate.
Description
Technical Field
The utility model relates to a control by temperature change technical field, concretely relates to measurement heating control by temperature change communication panel.
Background
China plans to realize carbon peak reaching 2030 years ago and realize carbon neutralization 2060 years ago. In northern areas, central heating in winter produces a large amount of carbon emission, and in order to realize the aim of 'double carbon', the energy-saving and emission-reduction work of heating in northern areas needs to be implemented. The traditional centralized heating mode has the problems that the heat supply is uneven, the heat supply amount cannot be adjusted according to the demand or environmental factors, the man-machine interaction function is lacked, and the like. Improving the intelligent degree of a heating system and realizing heat supply metering is an effective measure for energy conservation and emission reduction. Most developed countries adopt a variable flow dynamic control system, steam provided by a primary heat supply network is changed into civil life hot water and secondary heating hot water through heat exchange in a heat exchange station, and a secondary water supply system is provided with a variable frequency speed regulation motor water pump, an electric regulating valve, a pressure difference controller and other instruments and equipment and is combined with a mature heating system operation mode. Domestic heating control can be divided into control valve regulation and secondary pipe network regulation. The traditional secondary pipe network adjustment has the problem of hydraulic imbalance. An intelligent secondary pipe network balance control system is provided by rocco and the like, and cooperative control of a heat source, a heating power station and a heat supply network is realized by utilizing indoor temperature sensing, temperature control equipment, cloud platform intelligent software and an intelligent modeling technology based on heat supply network big data. But the system can not be adjusted automatically, the equipment is wide in distribution and multiple in type, and the inspection and maintenance are inconvenient. The control valve regulates the heat power inlet regulating valve and the household inlet regulating valve. The former uses the temperature difference of water supply and return at a heating power inlet as an index to adjust the flow, and has the problem of vertical hydraulic imbalance; the latter can eliminate the problem of hydraulic imbalance, but the modification work is large, the adjustment and maintenance are difficult, and the adjustment process is slow. And analyzing the control of the temperature control valve and the thermal dynamic process of the room, such as the Xuebao, establishing a model comprising the contents of the temperature control valve, the dynamic characteristics of the room and the like, and realizing temperature regulation through the pressure change in a corrugated pipe of the temperature control valve. The regulating valve is simple in regulating equipment and is regulated and isolated; but the intelligent degree is low, and the remote operation and management can not be realized; a large amount of labor cost management and control and maintenance are needed, and a data feedback and management and control platform is required to be arranged.
The intelligent heating control system based on the HLink is provided, and can realize intelligent control, data feedback and human-computer interaction of the whole heating control process by combining different time strategies and scene strategies. Existing control panels cannot match the requirements of the system.
Disclosure of Invention
The utility model provides a measurement heating control by temperature change communication panel, this panel are applicable to above-mentioned intelligent heating control system based on HLink.
This measurement heating control by temperature change communication panel includes:
a liquid crystal display panel including a display area divided into at least a temperature display area for displaying temperature, a humidity display area for displaying humidity, a time display area for displaying time, and a mode information display area for displaying mode information;
the control circuit board is provided with on this control circuit board and is used for controlling the control circuit of measurement heating control by temperature change communication panel work, control circuit includes:
the liquid crystal driving module is connected to the liquid crystal display screen and provides a driving signal for the liquid crystal display screen so that the liquid crystal display screen displays images;
the first communication module is connected to a plurality of external valves in a 433 wireless communication mode, provides switch control instructions for the external valves and receives state information of the external valves;
the second communication module is connected to an external terminal operation device through Bluetooth and receives a distribution network instruction of the external terminal device so that the metering heating temperature control communication panel is accessed into a local area network;
the third communication module is connected with the terminal operation equipment through Wi-Fi after the metering heating temperature control communication panel is accessed into a local area network, receives an operation instruction from the terminal operation equipment, and feeds result information back to the terminal operation equipment;
the temperature and humidity detection module comprises at least one temperature and/or humidity sensor arranged on the metering heating temperature control communication panel so as to collect environmental temperature and humidity information in real time;
the control module receives data transmitted by at least one of the liquid crystal driving module, the first communication module, the second communication module, the third communication module and the temperature and humidity detection module, processes the data to form a corresponding control instruction, and issues the control instruction to the corresponding module to be controlled so that the corresponding module to be controlled responds to the control instruction to execute a control operation;
the HLink firmware module is connected to the control module and provides a control instruction set based on a HLink protocol to the control module;
the memory module stores the control instruction set of the HLink firmware module and the configuration parameter information of other modules;
the power supply module is connected to the 220v circuit and outputs 3.3v working voltage suitable for the metering heating temperature control communication panel;
a configuration button configured to perform a configuration operation in conjunction with at least one of temperature, humidity, time, and mode information displayed in the liquid crystal display.
As a further improvement of the invention, the control module adopts an STM32F103RCT6 processor chip; the core specification is 32 bits, the speed is 72MHz, the program memory capacity is 256KB, the program memory type is FLASH, and the RAM capacity is 48K.
As a further improvement of the invention, the liquid crystal driving module adopts a VK2C21A liquid crystal driving chip; VK2V21A communicates with the processor via a two-wire bidirectional I2C interface, pins 2 and 3; digital display is carried out through pins 5-25; pins 1 and 28 are connected to 3.3v voltage, and pin 4 is grounded.
As a further improvement of the invention, the first communication module adopts 433 wireless communication CMT2300A chip; carrying out mode configuration through a GPIO3 pin; the SCLK pin inputs the SPI clock, and the SDIO pin is the data input and output port of the SPI; the CSB pin is the chip selection of the SPI access register; the FCSB pin is the chip select of the SPI access FIFO.
As a further improvement of the invention, the second communication module adopts a Bluetooth communication BLE-TPT-A chip; pins 7, 8 are used for transmission and reception of data.
As a further improvement of the present invention, the third communication module employs wifi communication BW16; the BW16 chip has two serial ports in total, one is an AT serial port and is used for receiving and transmitting AT commands, and the corresponding port numbers are AT _ TX and AT _ RX; the other port is a LOG serial port used for printing LOGs and downloading firmware, and the corresponding port numbers are LOG _ TX and LOG _ RX; the EN pin is used for chip enabling, and the rest pins are used for various modes and data content configuration.
As a further improvement of the invention, the temperature and humidity detection module is provided with a temperature and humidity sensor, and the model of the temperature and humidity sensor is AHT21; the SCL pin is used for communication synchronization between the processor and the AHT21; the SDA pin is used for data input and output of the sensor.
As a further improvement of the invention, the memory module adopts a GD25Q80CSIG chip.
As a further improvement of the invention, the LM1117-3.3 chip is adopted by the power supply module.
As a further improvement of the invention, the metering heating temperature control communication panel further comprises a casing, the casing comprises a front panel and a rear frame, the front panel and the rear frame are combined to form an accommodating space, and the control circuit board, the liquid crystal display screen and the configuration buttons are accommodated in the accommodating space, so that the control circuit board, the liquid crystal display screen and the configuration buttons are restrained by the casing and assembled together.
The utility model has the advantages that: the utility model provides a measurement heating control by temperature change communication panel, this panel are applicable to central heating system in the north, can gather data such as real-time water consumption, heat and report the system, calculate according to reporting data and can realize heating measurement charge in the north, set up humiture display area on the panel of this product, can acquire current environment humiture data through temperature and humidity sensor. The HLink firmware is adopted in the product, and the product can be connected with terminal equipment with various protocols. The controller of this product adopts 433 wireless communication mode, avoids using the additional engineering volume that wired access brought, simple to operate.
Drawings
Fig. 1 is an external view of the measurement heating temperature control communication panel according to the present invention.
Fig. 2 is the design drawing of the temperature control liquid crystal display screen of the utility model.
Fig. 3 is a schematic diagram of the control circuit of the present invention.
Fig. 4 is the STM32F103RCT6 processor chip of the present invention.
Fig. 5 shows VK2C21A liquid crystal driving according to the present invention.
Fig. 6 is the utility model discloses a 433 wireless communication CMT2300A chip.
Figure 7 is the utility model discloses a bluetooth BLE-TPT-A chip.
Fig. 8 shows a wifi communication BW16 chip of the present invention.
Fig. 9 is HLink firmware of the present invention.
Fig. 10 is the utility model discloses a temperature and humidity measurement AHT21 chip.
Fig. 11 shows a memory GD25Q80CSIG chip of the present invention.
Fig. 12 is the power supply LM1117-3.3V chip of the present invention.
Fig. 13 is a design diagram of the control circuit PCB of the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
The utility model provides a measurement heating control by temperature change communication panel, including control circuit board, liquid crystal display, configuration button and shell, control circuit board. The control circuit board is provided with a control circuit for controlling the working of the metering heating temperature control communication panel; the liquid crystal display panel includes a display area divided into at least a temperature display area for displaying temperature, a humidity display area for displaying humidity, a time display area for displaying time, and a mode information display area for displaying mode information; the configuration button is configured to perform a configuration operation in combination with at least one of temperature, humidity, time, and mode information displayed in the liquid crystal display; the shell comprises a front panel and a rear frame, the front panel and the rear frame are combined to form an accommodating space, and the control circuit board, the liquid crystal display screen and the configuration buttons are accommodated in the accommodating space, so that the control circuit board, the liquid crystal display screen and the configuration buttons are restrained by the shell and assembled together.
As shown in fig. 1, the control circuit includes:
the liquid crystal driving module is connected to the liquid crystal display screen and provides a driving signal for the liquid crystal display screen to enable the liquid crystal display screen to display images;
the first communication module is connected to the external valves in a 433 wireless communication mode, provides switch control instructions for the external valves and receives state information of the external valves;
the second communication module is connected to an external terminal operation device through Bluetooth and receives a distribution network instruction of the external terminal device so that the metering heating temperature control communication panel is accessed into a local area network;
the third communication module is connected with the terminal operation equipment through Wi-Fi after the metering heating temperature control communication panel is connected into a local area network, receives an operation instruction from the terminal operation equipment and feeds result information back to the terminal operation equipment;
the temperature and humidity detection module comprises at least one temperature and/or humidity sensor arranged on the metering heating temperature control communication panel so as to collect environmental temperature and humidity information in real time;
the control module receives data transmitted by at least one of the liquid crystal driving module, the first communication module, the second communication module, the third communication module and the temperature and humidity detection module, processes the data to form a corresponding control instruction, and issues the control instruction to the corresponding module to be controlled so that the corresponding module to be controlled responds to the control instruction to execute a control operation;
the HLink firmware module is connected to the control module and provides a control instruction set based on the HLink protocol for the control module;
and the memory module stores the control instruction set of the HLink firmware module and the configuration parameter information of other modules.
And the power supply module is connected to the 220v circuit and outputs 3.3v working voltage suitable for metering the heating temperature control communication panel.
Example 1
As shown in fig. 2, the measurement and heating temperature control communication panel provided in this embodiment has a square appearance with a size of 105mm × 100mm, an LCD display screen with a size of 64mm × 50mm is disposed on the front surface of the measurement and heating temperature control communication panel, and the configuration knob is located at a position slightly below the front surface of the measurement and heating temperature control communication panel to the left.
As shown in fig. 3, the central position of the LCD screen is a temperature display area. Four scene mode icons, namely a daytime mode and a sun-shaped pattern, are arranged on the left side of the display screen from top to bottom; night mode, moon-like pattern; terminal configuration mode, wrench-like pattern; wireless configuration mode, antenna-like pattern. And a time display area is arranged below the display screen. The humidity display area is arranged on the upper right of the display screen.
This measurement heating control by temperature change communication panel is inside to be provided with control circuit board, is provided with the control circuit who is used for controlling measurement heating control by temperature change communication panel work on this control circuit board, and control circuit includes:
as shown in FIG. 4, the control module employs an STM32F103RCT6 processor chip. STM32F103RCT6 is an embedded-microcontroller integrated circuit with a core specification of 32 bits, a speed of 72MHz, a program memory capacity of 256KB, a program memory type of FLASH, and a RAM capacity of 48K.
As shown in fig. 5, the liquid crystal driving module employs VK2C21A liquid crystal driving. VK2C21A is a memory map and multi-functional LCD control/driver chip. The chip display mode has 80 dots (20 × 4) or 128 dots (16 × 8). The software configuration characteristics of VK2C21A make it suitable for use in a variety of LCD applications, including LCD modules and display subsystems. VK2V21A communicates with the processor through a two-wire, bi-directional I2C interface, i.e., pins 2 and 3; performing digital display through pins 5-25; pins 1 and 28 are connected to 3.3v voltage, and pin 4 is grounded.
As shown in fig. 6, the first communication module adopts a CMT2300A, which is an ultra-low power consumption, high performance, and is suitable for various 1401020MH wireless applications OOK, (G) FSK radio frequency transceiver. It is part of the cmos tek nextgnrf radio frequency product line that contains the complete transmitter, receiver and transceiver. CMT2300A operates at 1.8V to 3.6V. In application, mode configuration is carried out through GPIO 3; SCLK inputs SPI clock, SDIO is data input and output port of SPI; CSB is the chip selection of SPI visit register; FCSB is the chip select of SPI access FIFO. The metering heating temperature control communication panel of the embodiment is paired with a plurality of external valves through the CMT2300A, wireless connection with the external valves is achieved, control instructions sent by the processor are received, the control instructions are provided for the external valves, the working states of the external valves are determined, control time and working state data of the external valves are transmitted to the processor, and the processor processes the control time and the working state data, so that heating cost for calculating the environment is achieved.
As shown in fig. 7, the third communication module uses a bluetooth communication BLE-TPT-a chip. The BLE-TPT Bluetooth serial port unvarnished transmission module is developed based on a CH9141 Bluetooth serial port unvarnished transmission module, and supports BLE4.2, and the module supports a broadcasting mode, a host mode and a slave mode. And serial port AT configuration and Bluetooth communication configuration in a slave mode are supported. The maximum serial port baud rate is 1Mbps. Pins 7, 8 are used for transmission and reception of data.
As shown in fig. 8, the second communication module employs wifi communication BW16 chip. BW16 is a dual-band Wi-Fi + bluetooth SoC module developed based on RTL8720 DN. BW16 supports dual frequency (2.4 GHz or 5 GHz) WLAN and bluetooth low energy 5.0; it integrates an ARM V8 (compatible Cortex-M4F) high-performance MCU, an ARM V8M (compatible Cortex-M0) low-power consumption MCU, a WLAN (802.11 a/b/g/n), a MAC, a Bluetooth baseband and an RF baseband, and provides a set of configurable GPIO ports for controlling different peripheral devices. The BW16 integrates an internal memory at the same time, supports simple application program development and can realize complete Wi-Fi and BT 5.0 protocol functions. The BW16 module I has two serial ports, one is AT serial port (baud rate is 38400) which is used for receiving and transmitting AT command, and the corresponding port numbers are AT _ TX and AT _ RX; the other port is a LOG serial port (with a baud rate of 115200) for printing LOGs and downloading firmware, and the corresponding port numbers are LOG _ TX and LOG _ RX; the EN pin performs chip enable. The other pins are used for various modes and data content configuration. After measurement heating control by temperature change communication panel inserts in the LAN, be connected with terminal operation equipment through wifi, can be with terminal operation equipment's operating command input to the treater in, if, the temperature keeps off the position setting, the mode setting to the result after handling the treater is synchronous to terminal operation equipment, if, the humiture of environment, real-time heating use amount.
As shown in fig. 9, the firmware module adopts HLink firmware for HLink firmware upgrade, arranges HLink protocol related components for realizing intelligent connection intelligent linkage of the IoT terminal, and can realize automatic access of the device without cumbersome field configuration.
As shown in fig. 10, the temperature and humidity detection module employs an AHT21 chip. AHT21 is a new generation of intelligent temperature and humidity sensor based on semiconductor technology, the volume is very small, the size is only 3 x 3mm, the height is only 0.8mm, the exquisite size and the wide voltage adaptation range (2.2 v to 5.5 v) thereof can be widely applied to various different devices, and the excellent performance endows the device with good precision within a wide temperature range (-40 ℃ to 120 ℃). The SCL pin is used for communication synchronization between the processor and the AHT21; the SDA pins are used for data input and output of the sensor.
As shown in fig. 11, the memory module employs a GD25Q80CSIG chip.
As shown in fig. 12, the power module adopts an LM1117-3.3 chip, and in the using process, the LM1117-3.3 chip outputs a stable 3.3v voltage through pins 2 and 4 to supply power to the metering heating temperature control communication panel.
The PCB layout of this embodiment is shown in fig. 13.
The operation method of the metering heating temperature control communication panel provided by the embodiment is as follows:
1. the configuration process of the controller comprises the following steps:
a. holding the configure button for 5 seconds, the wrench-like pattern begins to flash.
b. And pressing a configuration button, flashing two digits after time display, displaying the temperature (representing the number of paired controllers) to be 0, entering a controller configuration mode, and allowing the controller to access.
c. And when the controller is reached, pressing a button on the controller to be paired, metering the ID number of the heating temperature control communication panel recording terminal, adding 1 to the temperature display, and sequentially pressing the button on the controller to be paired until all the settings are completed.
d. After the controller quantity is confirmed to be correct, the middle button is pressed, the controller configuration is quitted, the wrench-shaped patterns are extinguished, and the normal display is returned.
2. The wireless configuration process comprises the following steps:
a. pressing the configuration button for 5 seconds, and enabling the wrench-shaped pattern to flicker;
b. rotating the button to extinguish the wrench-shaped pattern and enable the antenna-shaped pattern to flash;
c. pressing the middle button to enter a wireless configuration mode, and connecting to terminal operation equipment through Bluetooth;
d. the metering heating temperature control communication panel is connected to a local area network through terminal operation equipment, the antenna-shaped patterns are always bright, the wireless configuration is automatically quitted, and normal display is returned.
3. Temperature setting:
a. when the display is normal, the button is directly rotated, and the temperature display flickers;
b. rotate the button until the desired temperature is reached (0.1 degree step);
c. pressing the middle button to confirm the temperature, completing the temperature setting and returning to normal display.
Through the scheme in the embodiment, the control circuit can be preferably connected with the heating controller through 433 wireless communication, the setting parameters at the heating controller can be sent to the control module, and the control module can preferably process the relevant control instructions and then send the processed control instructions to the DAC unit, and the processed control instructions are output to the liquid crystal device through the operational amplifier conditioning unit, so that the driving of various nematic liquid crystal devices can be preferably realized.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitution or transformation made by the technical personnel in the technical field on the basis of the utility model is within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A measurement heating control by temperature change communication panel which characterized in that: this measurement heating control by temperature change communication panel includes:
a liquid crystal display panel including a display area divided into at least a temperature display area for displaying temperature, a humidity display area for displaying humidity, a time display area for displaying time, and a mode information display area for displaying mode information;
control circuit board, this control circuit board is last to be provided with and to be used for control the control circuit of measurement heating control by temperature change communication panel work, control circuit includes:
the liquid crystal driving module is connected to the liquid crystal display screen and provides a driving signal for the liquid crystal display screen so that the liquid crystal display screen displays images;
the first communication module is connected to a plurality of external valves in a 433 wireless communication mode, provides switch control instructions for the external valves and receives state information of the external valves;
the second communication module is connected to an external terminal operation device through Bluetooth and receives a distribution network instruction of the external terminal operation device so that the metering heating temperature control communication panel is accessed into a local area network;
the third communication module is connected with the terminal operation equipment through Wi-Fi after the metering heating temperature control communication panel is accessed into a local area network, receives an operation instruction from the terminal operation equipment and feeds result information back to the terminal operation equipment;
the temperature and humidity detection module comprises at least one temperature and/or humidity sensor arranged on the metering heating temperature control communication panel so as to collect environmental temperature and humidity information in real time;
the control module receives data transmitted by at least one of the liquid crystal driving module, the first communication module, the second communication module, the third communication module and the temperature and humidity detection module, processes the data to form a corresponding control instruction, and issues the control instruction to the corresponding module to be controlled so that the corresponding module to be controlled responds to the control instruction to execute a control operation;
the HLink firmware module is connected to the control module and provides a control instruction set based on the HLink protocol to the control module;
the memory module stores the control instruction set of the HLink firmware module and the configuration parameter information of other modules;
the power supply module is connected to the 220v circuit and outputs 3.3v working voltage suitable for the metering heating temperature control communication panel;
a configuration button configured to perform a configuration operation in conjunction with at least one of temperature, humidity, time, and mode information displayed in the liquid crystal display.
2. The metered heating temperature control communication panel of claim 1, wherein: the control module adopts an STM32F103RCT6 processor chip; the core specification is 32 bits, speed is 72MHz, program memory capacity is 256KB, program memory type is FLASH, RAM capacity is 48K.
3. The metered heating temperature control communication panel of claim 2, wherein: the liquid crystal driving module adopts a VK2C21A liquid crystal driving chip; VK2V21A communicates with the STM32F103RCT6 processor chip over a two-wire bidirectional I2C interface, pins 2 and 3; digital display is carried out through pins 5-25; pins 1 and 28 are connected with 3.3v voltage, and pin 4 is grounded.
4. The metered heating temperature control communication panel of claim 1, wherein: the first communication module adopts 433 wireless communication CMT2300A chip; carrying out mode configuration through a GPIO3 pin; the SCLK base pin inputs the SPI clock, the SDIO base pin is the data input and output port of the SPI; the CSB pin is the chip selection of the SPI access register; the FCSB pin is the chip select of the SPI access FIFO.
5. The metered heating temperature control communication panel of claim 1, wherein: the second communication module adopts a Bluetooth communication BLE-TPT-A chip; pins 7, 8 are used for data transmission and reception.
6. The metered heating temperature control communication panel of claim 1, wherein: the third communication module adopts wifi communication BW16; the BW16 chip has two serial ports in total, one serial port is an AT serial port and is used for receiving and sending AT commands, and the corresponding port numbers are AT _ TX and AT _ RX; the other port is a LOG serial port used for printing LOGs and downloading firmware, and the corresponding port numbers are LOG _ TX and LOG _ RX; the EN pin is used for chip enabling, and the rest pins are used for various modes and data content configuration.
7. The metered heating temperature control communication panel of claim 2, wherein: the temperature and humidity detection module is provided with a temperature and humidity sensor, and the model of the temperature and humidity sensor is AHT21; an SCL pin is used for communication synchronization between the STM32F103RCT6 processor chip and the AHT21; the SDA pin is used for data input and output of the sensor.
8. The metered heating temperature control communication panel of claim 1, wherein: the memory module adopts a GD25Q80CSIG chip.
9. The metered heating temperature control communication panel of claim 1, wherein: the power module adopts an LM1117-3.3 chip.
10. The metered heating temperature control communication panel of claim 1, wherein: the shell comprises a front panel and a rear frame, the front panel and the rear frame are combined to form an accommodating space, and the control circuit board, the liquid crystal display screen and the configuration buttons are accommodated in the accommodating space, so that the control circuit board, the liquid crystal display screen and the configuration buttons are restrained by the shell and assembled together.
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| CN202221175011.XU CN218181340U (en) | 2022-05-11 | 2022-05-11 | Metering heating temperature control communication panel |
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| CN202221175011.XU CN218181340U (en) | 2022-05-11 | 2022-05-11 | Metering heating temperature control communication panel |
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