Radiation air conditioning terminal collection device

Abstract

The utility model provides a kind of radiation air conditioner terminal acquisition device, including the independent multiple parameter perception unit for collecting indoor environmental parameters being arranged in indoor, the air conditioning system perception unit for collecting air conditioning system internal operation parameter being arranged in air conditioning system inside, the thermal imaging camera for obtaining indoor heat source being arranged in indoor, the data communication end of thermal imaging camera, temperature and humidity sensor and carbon dioxide sensor, first temperature sensor, first flow sensor, second temperature sensor, second flow sensor is respectively connected with the data communication end communication connection of first central processing module, can obtain the influencing factor condition of influencing radiation air conditioner terminal operation in time, i, indoor environmental parameters, air conditioning system operation parameter, indoor heat source parameter, improve the comprehensiveness of radiation air conditioner terminal information acquisition.

Description

Technical Field

[0001] This utility model relates to the field of radiant air conditioning, and in particular to a radiant air conditioning terminal data acquisition device. Background Technology

[0002] Information collection from radiant air conditioning terminal units plays a crucial role in the operation of these units. It allows for the timely acquisition of information on factors influencing their operation, enabling adjustments to the equipment's performance based on this information.

[0003] Traditional radiant air conditioning terminal data collection methods are relatively singular, relying primarily on a single type of environmental information, such as indoor temperature data obtained from a single-point indoor temperature sensor. These methods do not consider the comprehensive impact of indoor heat sources and the operating conditions of the air conditioning system on data collection. Because the source of information collected at the radiant air conditioning terminal affects the normal operation of the system and user experience, the comprehensiveness of the collected data is limited.

[0004] Therefore, in order to solve the above problems, a radiant air conditioning terminal data acquisition device is proposed. Summary of the Invention

[0005] To address the problems existing in the prior art, this utility model innovatively proposes a radiant air conditioner terminal data acquisition device, which improves the comprehensiveness of information acquisition from the radiant air conditioner terminal.

[0006] The first aspect of this utility model provides a radiant air conditioning terminal acquisition device, comprising: a control unit, an independent multi-parameter sensing unit, an air conditioning system operation sensing unit, and a signal conversion and equipment control unit. The independent multi-parameter sensing unit includes a temperature and humidity sensor and a carbon dioxide sensor installed indoors for collecting indoor environmental parameters. The air conditioning system operation sensing unit includes a first temperature sensor installed in the supply and return water pipes of the fresh air system, a first flow sensor installed in the return water pipe of the fresh air unit, and a second temperature sensor and a second flow sensor installed in the supply and return water pipes of the radiant system. The control unit includes a thermal imaging camera for acquiring indoor heat sources and a first processor. The data communication terminals of the thermal imaging camera, temperature and humidity sensor, carbon dioxide sensor, first temperature sensor, first flow sensor, second temperature sensor, and second flow sensor are respectively communicatively connected to the data communication terminal of the first processor. The control output terminal of the first processor is communicatively connected to the control input terminal of the radiant air conditioning terminal device in the signal conversion and equipment control unit.

[0007] Optionally, the independent multi-parameter sensing unit further includes a first housing, a transmitting antenna, a second processor, a first wireless communication chip, and a first power module. The temperature and humidity sensor, the carbon dioxide sensor, and the transmitting antenna are all disposed outside the first housing, while the second processor, the first wireless communication chip, and the first power module are all disposed inside the first housing. The data input terminal of the second processor is communicatively connected to the environmental data output terminals of the temperature and humidity sensor and the carbon dioxide sensor, respectively. The environmental data output terminal of the second processor is communicatively connected to the environmental data input terminal of the first wireless communication chip, and the environmental data output terminal of the first wireless communication chip is communicatively connected to the data communication terminal of the transmitting antenna. The power output terminal of the first power module is electrically connected to the power input terminals of the second processor, the first wireless communication chip, the temperature and humidity sensor, and the carbon dioxide sensor, respectively.

[0008] Furthermore, the first power module, the second processor, the first wireless communication chip, the data output interface of the temperature and humidity sensor, and the data output interface of the carbon dioxide sensor are all integrated on the first motherboard inside the first housing. The first housing is provided with a first antenna bracket, which is fixedly connected to the first housing. The first antenna bracket is connected to the transmitting antenna by a thread.

[0009] Optionally, the single-bus data output terminal DOUT of the temperature and humidity sensor and the carbon dioxide sensor is communicatively connected to the single-bus data input terminal GPIO1 of the second processor; or, the dual-bus data output terminal TX of the temperature and humidity sensor and the carbon dioxide sensor is communicatively connected to the first dual-bus data input terminal UART2_RX of the second processor; the first dual-bus data output terminal UART1_TXD of the second processor is communicatively connected to the environmental data input terminal UART_RX of the first wireless communication chip; the environmental data differential RF port RFIO of the first wireless communication chip is communicatively connected to the differential signal transmission port ANT of the transmitting antenna; and the differential signal transmission port ANT of the transmitting antenna is communicatively connected to the data communication terminal of the first processor.

[0010] Optionally, the control unit further includes a second wireless communication chip, a storage module, a receiving antenna, a second power module, and a second housing. The thermal imaging camera and the receiving antenna are both disposed outside the second housing, while the first processor, the second wireless communication chip, the storage module, and the second power module are all disposed inside the second housing. The environmental data input terminal of the first processor is communicatively connected to the environmental data output terminal of the second wireless communication chip, and the data communication terminal of the first processor is communicatively connected to the data communication output terminal of the storage module. The air conditioning system sensing data input terminal of the second wireless communication chip is communicatively connected to the air conditioning system sensing data output terminals of the first temperature sensor, the first flow sensor, the second temperature sensor, and the second flow sensor, respectively. The power output terminal of the second power module is electrically connected to the power input terminals of the first processor, the second wireless communication chip, and the storage module, respectively.

[0011] Furthermore, the second power module, the first processor, the second wireless communication chip, the storage module, and the data output interface of the thermal imaging camera are all integrated on the second motherboard inside the second housing. The second housing is provided with a second antenna bracket and a camera bracket. The second antenna bracket is fixedly connected to the second housing and is connected to the receiving antenna by a thread. The camera bracket is fixedly connected to the second housing and is connected to the thermal imaging camera by a thread.

[0012] Furthermore, the control unit also includes an interface expansion chip, an air conditioning system operation sensing interface, and a thermal imaging camera interface. The expansion output terminal of the interface expansion chip is communicatively connected to the air conditioning system sensing data input terminal of the first processor, and the expansion input terminal of the interface expansion chip is communicatively connected to the air conditioning system operation sensing interfaces of the first temperature sensor, the first flow sensor, the second temperature sensor, and the second flow sensor, respectively. The thermal imaging camera interface is communicatively connected to the first processor.

[0013] Optionally, the dual-bus data input terminal UART1_RXD of the first processor is communicatively connected to the environmental data output terminal UART0_TX of the second wireless communication chip; the environmental data differential RF port RFIO of the second wireless communication chip is communicatively connected to the differential signal transmission port ANT of the receiving antenna; the differential signal transmission port ANT of the receiving antenna is communicatively connected to the differential signal transmission port ANT of the transmitting antenna; the data communication terminal SDIO_DATA of the first processor is communicatively connected to the data communication terminal DAT of the storage module; the clock communication terminal SDIO_CLK of the first processor is communicatively connected to the clock communication terminal CLK of the storage module; the command communication terminal SDIO_CMD of the first processor is communicatively connected to the command communication terminal CMD of the storage module; the camera serial interface terminal CSI_DI / DO of the first processor is communicatively connected to the serial interface terminal DI / DO of the thermal imaging camera interface; the USB serial interface terminal USB_DN / DP of the first processor is communicatively connected to the USB serial input interface terminal DN / DP_IN of the interface expansion chip; and the USB serial output interface terminal DN / DP_OUT of the interface expansion chip is communicatively connected to the USB serial input terminal D+ / - of the air conditioning system operation sensing interface.

[0014] Optionally, the radiant air conditioning terminal equipment includes multiple devices to be controlled, and the control signal input terminal of each device to be controlled is communicatively connected to the control signal output terminal of the first processor.

[0015] Furthermore, the signal conversion and device control unit includes a USB to RS485 adapter, an RS485 hub, and an isolation transmitter. The USB control signal output port of the first processor is communicatively connected to the USB control signal input port of the USB to RS485 adapter. The RS485 control signal output port IN_A / B of the USB to RS485 adapter is communicatively connected to the RS485 control signal input port A / B of the RS485 hub. The RS485 control signal output port OUT_A / B of the RS485 hub is communicatively connected to the RS485 control signal input ports A / B of multiple isolation transmitters. The RS485 control signal output port OUT_A / B of each isolation transmitter is communicatively connected to the control input terminal CONTROL_A / B of the corresponding device to be controlled.

[0016] The technical solution adopted in this utility model has the following technical effects:

[0017] To address the problems existing in the prior art, this utility model innovatively proposes a radiant air conditioning terminal acquisition device, which includes an independent multi-parameter sensing unit installed indoors for collecting indoor environmental parameters, an air conditioning system operation sensing unit installed inside the air conditioning system for collecting internal operating parameters of the air conditioning system, and a thermal imaging camera installed indoors for acquiring indoor heat sources. It can timely acquire information on factors affecting the operation of the radiant air conditioning terminal, namely indoor environmental parameters, air conditioning system operating parameters, and indoor heat source parameters, avoiding insufficient data acquisition from a single type or single source, and improving the comprehensiveness of information acquisition from the radiant air conditioning terminal.

[0018] In this utility model, the temperature and humidity sensor and the carbon dioxide sensor are placed on the surface of the first housing. Compared with some existing designs where the sensors are built-in, environmental data can be acquired more quickly and accurately. The first antenna bracket is fixedly connected to the first housing, and the first antenna bracket and the transmitting antenna are connected to the transmitting antenna by an adjustable angle via a thread. Indoor environments are complex and have many obstacles and signal interference. Compared with the existing structure of fixed antennas, the antenna with adjustable angle can improve the stability and reliability of wireless connection.

[0019] The control unit of this utility model includes an interface expansion chip, which can support the interface expansion of multiple devices, improving convenience and maintenance efficiency; the thermal imaging camera and the antenna are connected by threads to achieve a rotatable and locking design, which can flexibly adjust the viewing angle and signal transmission direction according to the actual environment during installation. Compared with the existing design of fixed installation, it can better adapt to different room layouts and signal environments.

[0020] It should be understood that the above general description and the following detailed description are merely exemplary and explanatory, and do not limit the present invention. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the device in Embodiment 1 of the present utility model.

[0023] Figure 2 This is a schematic diagram of the internal positional distribution of the independent multi-parameter sensing unit in Embodiment 1 of this utility model.

[0024] Figure 3 This is a schematic diagram of module communication within the independent multi-parameter sensing unit in Embodiment 1 of this utility model.

[0025] Figure 4 This is a schematic diagram of the module circuit communication inside the independent multi-parameter sensing unit in Embodiment 1 of this utility model.

[0026] Figure 5 This is a schematic diagram showing the internal positional distribution of the control unit in Embodiment 1 of this utility model.

[0027] Figure 6 This is a schematic diagram of module communication within the control unit in Embodiment 1 of this utility model.

[0028] Figure 7 This is a schematic diagram of the module circuit communication inside the control unit in Embodiment 1 of the present utility model.

[0029] Figure 8 This is a schematic diagram of the communication between the signal conversion and the internal modules of the device control unit in Embodiment 1 of this utility model.

[0030] Figure 9 This is a schematic diagram of the communication between the signal conversion and the module circuit inside the device control unit in Embodiment 1 of this utility model.

[0031] 1. Control unit; 101. Thermal imaging camera; 102. First processor; 103. Second wireless communication chip; 104. Storage module; 105. Receiving antenna; 106. Second power module; 107. Second housing; 108. Second antenna bracket; 109. Interface expansion chip; 110. Air conditioning system operation sensing interface; 111. Camera bracket; 112. First processor heat sink; 113. User interface; 114. Signal conversion and device control module interface; 115. Debugging interface; 116. Infrared receiver; 117. Power button; 118. Thermal imaging camera interface; 119. Receiving antenna interface; 120. Second motherboard;

[0032] 2. Independent multi-parameter sensing unit; 21. Temperature and humidity sensor; 22. Carbon dioxide sensor; 23. First housing; 24. Transmitting antenna; 25. Second processor; 26. First wireless communication chip; 27. First power module; 28. First antenna bracket; 29. ​​Interface of sensor and transmitting antenna; 20. First motherboard;

[0033] 3. Air conditioning system operation sensing unit, 31. First temperature sensor, 32. First flow sensor, 33. Second temperature sensor, 34. Second flow sensor;

[0034] 4. Signal conversion and equipment control unit; 41. USB to RS485 adapter; 42. RS485 hub; 43. Isolation transmitter;

[0035] Figure 4 In the middle: 001, first power supply module; 002, first wireless communication chip; 003, second processor; 004, temperature and humidity sensor or carbon dioxide sensor; 005, transmitting antenna;

[0036] Figures 6-7 In the middle: 01, Second power supply module; 02, First processor; 03, Second wireless communication chip; 04, Storage module; 05, Receiving antenna; 06, Thermal imaging camera interface; 07, HUB chip (interface expansion chip); 08, User interface; 09, Signal conversion and device control module interface; 010, Air conditioning system operation sensing interface; 011, Debugging interface; 012, Infrared receiver; 013, Power button;

[0037] Figure 9 Components: 1001, USB to RS485 adapter; 1002, RS485 hub; 1003, water supply pump isolation transmitter (isolation transmitter 1); 1004, mixing center isolation transmitter (isolation transmitter 2); 1005, fresh air unit isolation transmitter (isolation transmitter 3); 1006, solenoid valve isolation transmitter (isolation transmitter 4); 1007, water supply pump; 1008, mixing center; 1009, fresh air unit; 1010, solenoid valve. Detailed Implementation

[0038] To clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific embodiments and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, reference numerals and / or letters may be repeated in different examples. This repetition is for simplification and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that the components illustrated in the drawings are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted to avoid unnecessarily limiting the present invention.

[0039] Example 1

[0040] like Figure 1As shown, this utility model provides a radiant air conditioning terminal acquisition device, including: a control unit 1, an independent multi-parameter sensing unit 2, an air conditioning system operation sensing unit 3, and a signal conversion and equipment control unit 4. The independent multi-parameter sensing unit 2 includes a temperature and humidity sensor 21 and a carbon dioxide sensor 22 installed indoors for collecting indoor environmental parameters. The air conditioning system operation sensing unit 3 includes a first temperature sensor 31 installed in the supply and return water pipes of the fresh air system, a first flow sensor 32 installed in the return water pipe of the fresh air unit, and a second temperature sensor 33 installed in the supply and return water pipes of the radiant system and a second flow sensor 34 installed in the return water pipe of the radiant system. The control unit 1 includes a thermal imaging camera 101 for acquiring indoor heat sources and a first processor 102. The data communication terminals of the thermal imaging camera 101, the temperature and humidity sensor 21, the carbon dioxide sensor 22, the first temperature sensor 31, the first flow sensor 32, the second temperature sensor 33, and the second flow sensor 34 are respectively connected to the data communication terminal of the first processor 102. The control output terminal of the first processor 102 is connected to the control input terminal of the radiant air conditioning terminal device in the signal conversion and equipment control unit 4.

[0041] Among them, such as Figures 2-4 As shown, the independent multi-parameter sensing unit 2 also includes a first housing 23, a transmitting antenna 24, a second processor 25, a first wireless communication chip 26, and a first power module 27. The temperature and humidity sensor 21 and the carbon dioxide sensor 22, as well as the transmitting antenna 24, are all disposed outside the first housing 23, while the second processor 25, the first wireless communication chip 26, and the first power module 27 are all disposed inside the first housing 23. The data input terminal of the second processor 25 is communicatively connected to the environmental data output terminals of the temperature and humidity sensor 21 and the carbon dioxide sensor 22, respectively. The environmental data output terminal of the second processor 25 is communicatively connected to the environmental data input terminal of the first wireless communication chip 26, and the environmental data output terminal of the first wireless communication chip 26 is communicatively connected to the data communication terminal of the transmitting antenna 24. The power output terminal of the first power module 27 is electrically connected to the power input terminals of the second processor 25, the first wireless communication chip 26, the temperature and humidity sensor 21, and the carbon dioxide sensor 22, respectively.

[0042] The independent multi-parameter sensing unit 2 also includes an interface 29 for sensors and antennas, including a data output interface for a temperature and humidity sensor 21, a data output interface for a carbon dioxide sensor 22, and an antenna interface for a transmitting antenna 24.

[0043] The first power module 27, the second processor 25, the first wireless communication chip 26, the data output interface of the temperature and humidity sensor 21, and the data output interface of the carbon dioxide sensor 22 are all integrated on the first motherboard 20 inside the first housing 23. The first housing 23 is provided with a first antenna bracket 28, which is fixedly connected to the first housing 23. The first antenna bracket 28 and the transmitting antenna 24 are connected in an adjustable angle by threads. That is, before the first antenna bracket 28 and the transmitting antenna 24 are fixed, the angle of the transmitting antenna 24 can be rotated and adjusted until it meets the requirements, and then the threaded connection is achieved by screws and nuts.

[0044] The power output terminal of the first power module 27 is electrically connected to the power input terminal VCC of the temperature and humidity sensor 21 and the carbon dioxide sensor 22, respectively. The power output terminal of the first power module 27 is electrically connected to the power input terminal VBAT of the first wireless communication chip 26, and the power output terminal of the first power module 27 is electrically connected to the power input terminal VDD of the second processor 25. The temperature and humidity sensor 21 and the carbon dioxide sensor 22 (in Figure 4 The single-bus data output terminal DOUT of the temperature and humidity sensor 21 and the carbon dioxide sensor 22 (represented as 004 in the Chinese version) is connected to the single-bus data input terminal GPIO1 of the second processor 25 (i.e., the temperature and humidity sensor and the carbon dioxide sensor are single-bus sensors), or the dual-bus data output terminal TX of the temperature and humidity sensor 21 and the carbon dioxide sensor 22 is connected to the first dual-bus data input terminal UART2_RX of the second processor 25 (i.e., the temperature and humidity sensor and the carbon dioxide sensor are UART dual-bus sensors); the dual-bus data input terminal RX of the temperature and humidity sensor 21 and the carbon dioxide sensor 22 is connected to the first dual-bus data output terminal UART2_TX of the second processor 25; the second processor 25 ( Figure 4 The first dual-bus data output terminal UART1_TXD (represented as 003) and the first wireless communication chip 26 ( Figure 4 The UART_RX environmental data input terminal (represented as 002) is connected to the first dual-bus data input terminal UART1_RXD of the second processor 25 and the first wireless communication chip 26 ( Figure 4 The environmental data output terminal UART_TX is connected to the first wireless communication chip 26 (represented as 002). The environmental data differential RF port RFIO (RFIOp and RFIOm) of the first wireless communication chip 26 is connected to the transmitting antenna 24. Figure 4 The differential signal transmission port ANT (ANT_P, ANT_N) of the transmitting antenna 24 (represented as 005) is connected to the data communication terminal of the first processor 102.

[0045] The temperature and humidity sensor can be model DHT22, the carbon dioxide sensor can be model MH-Z14, the second processor can be model MediaTek Helio P90, and the first wireless communication chip can be model DA14531. The first wireless communication chip supports low-power Bluetooth or ZigBee communication protocols.

[0046] Specifically, the independent multi-parameter sensing unit 2 is injection molded from ABS engineering plastic, and its upper surface has louvered openings for heat dissipation. The first antenna bracket 28 connects to the transmitting antenna 24. During installation, the rotation angle of the transmitting antenna 24 can be adjusted to stabilize the wireless transmission signal. After installation, the transmitting antenna 24 is locked. The transmitting antenna 24 is connected to the first wireless communication chip 26 in the first motherboard 20 via a signal line, enabling the control unit 1 to establish a wireless data link with the independent multi-parameter sensing unit 2 and the signal conversion and device control module 4, thereby achieving real-time reporting of device status, remote monitoring, and reception of control commands. Data collected by the temperature and humidity sensor 21 and the carbon dioxide sensor 22 is transmitted to the second processor 25. The second processor 25 converts the temperature, humidity, and air quality data into wireless signals via the first wireless communication chip 26, and then transmits them via the transmitting antenna 24. The second processor 25 establishes a bidirectional wireless data connection with the control unit 1 through a wireless transmission chip.

[0047] The first power module 27 supplies power to the first motherboard 20 and its associated temperature and humidity sensor 21, carbon dioxide sensor 22, transmitting antenna 24, etc., and uses a lithium battery as its power source.

[0048] like Figures 5-7 As shown, the control unit 1 also includes a second wireless communication chip 103, a storage module 104, a receiving antenna 105, a second power module 106, and a second housing 107. The thermal imaging camera 101 and the receiving antenna 105 are both disposed outside the second housing 107, while the first processor 102, the second wireless communication chip 103, the storage module 104, and the second power module 106 are all disposed inside the second housing 107. The environmental data input terminal of the first processor 102 is communicatively connected to the environmental data output terminal of the second wireless communication chip 103, and the data communication terminal of the first processor 102 is communicatively connected to the data communication output terminal of the storage module 104. The air conditioning system sensing data input terminal of the second wireless communication chip 103 is communicatively connected to the air conditioning system sensing data output terminals of the first temperature sensor 31, the first flow sensor 32, the second temperature sensor 33, and the second flow sensor 34, respectively. The power output terminal of the second power module 106 is electrically connected to the power input terminals of the first processor 102, the second wireless communication chip 103, and the storage module 104, respectively.

[0049] The second power module 106, the first processor 102, the second wireless communication chip 103, the storage module 104, and the data output interface of the thermal imaging camera 101 are all integrated on the second motherboard 120 inside the second housing 107. The second housing 107 is equipped with a second antenna bracket 108 and a camera bracket 111. The second antenna bracket 108 is fixedly connected to the second housing 107, and the second antenna bracket 108 is threadedly connected to the receiving antenna 105. That is, before the second antenna bracket 108 and the receiving antenna 105 are fixed, the angle of the receiving antenna 105 can be rotated and adjusted until the requirements are met, and then the threaded connection is achieved using screws and nuts. The camera bracket 111 is fixedly connected to the second housing 107, and the camera bracket 111 is threadedly connected to the thermal imaging camera 101. That is, before the camera bracket 111 and the thermal imaging camera 101 are fixed, the monitoring angle of the thermal imaging camera 101 can be rotated and adjusted until the requirements are met, and then the threaded connection is achieved using screws and nuts.

[0050] The control unit 1 also includes an interface expansion chip 109 and an air conditioning system operation sensing interface 110. The expansion output terminal of the interface expansion chip 109 is communicatively connected to the air conditioning system sensing data input terminal of the first processor 102. The expansion input terminal of the interface expansion chip 109 is communicatively connected to the air conditioning system operation sensing interfaces 110 of the first temperature sensor 31, the first flow sensor 32, the second temperature sensor 33, and the second flow sensor 34, respectively.

[0051] Preferably, the control unit 1 further includes a first processor heat sink 112, a user interface interface 113, a signal conversion and device control module interface 114, a debugging interface 115, an infrared receiver 116, a power button 117, a thermal imaging camera interface 118, and a receiving antenna interface 119; the first processor heat sink 112 comprises multiple parallel heat sinks, each of which is fixedly connected to the first processor 102; the user interface interface 113 is connected to a user screen, which is installed in a location convenient for indoor personnel to operate; the signal conversion and device control module interface 114 is connected to the control input terminal of the radiant air conditioning terminal device in the signal conversion and device control unit 4. The communication connection allows for wired data transmission with the signal conversion and device control unit 4 in cases of poor wireless signal transmission. The debugging interface 115 can communicate with external debugging equipment for debugging the first processor 102. The infrared receiver 116 allows users to perform simple control using existing infrared remote controls. The power button 117 is electrically connected to the power control terminal of the second power module 106. The thermal imaging camera interface 118 is communicatively connected to both the first processor 102 and the thermal imaging camera 101, facilitating a data cable connection between the thermal imaging camera 101 and the first processor 102. The thermal imaging camera interface 118 is a MIPI interface. Thermal imaging information of the room interior acquired by the thermal imaging camera 101 is transmitted to the first processor 102 via the thermal imaging camera interface 118. The receiving antenna interface 119 is communicatively connected to both the second wireless communication chip 103 and the thermal imaging camera 101, facilitating communication between the receiving antenna 105 and the second wireless communication chip 103.

[0052] The power output terminal of the second power module 106 is electrically connected to the power input terminal VCC of the storage module 104, the power output terminal of the second power module 106 is electrically connected to the power input terminal VBAT of the second wireless communication chip 103, and the power output terminal of the second power module 106 is electrically connected to the power input terminal VDD_MAIN of the first processor 102.

[0053] First processor 102 ( Figures 6-7 The dual-bus data input terminal UART1_RXD of the middle chip 02 is connected to the second wireless communication chip 103 ( Figures 6-7 The environmental data output terminal UART0_TX of the first processor 102 is connected to the environmental data output terminal UART1_TXD of the second wireless communication chip 103; the environmental data differential RF port RFIO (RFIOp and RFIOm) of the second wireless communication chip 103 is connected to the receiving antenna 105. Figures 6-7The differential signal transmission ports ANT (ANT_P, ANT_N) of the receiving antenna 105 are connected to the differential signal transmission ports ANT of the transmitting antenna 24; the data communication terminals SDIO_DATA (SDIO_DATA0, SDIO_DATA1, SDIO_DATA2, SDIO_DATA3) of the first processor 102 are connected to the storage module 104. Figures 6-7 The data communication terminals DAT (DAT0, DAT1, DAT2, DAT3) of the first processor 102 are connected to the clock communication terminal SDIO_CLK of the first processor 102 and the clock communication terminal CLK of the storage module 104. The command communication terminal SDIO_CMD of the first processor 102 is connected to the command communication terminal CMD of the storage module 104. The camera serial interface terminals CSI_DI / DO (CSI_D0_P, CSI_D0_N, CSI_D1_P, CSI_D1_N, CSI_HSYNC, CSI_VSYNC) of the first processor 102 are connected to the thermal imaging camera interface 118. Figures 6-7 The serial interface terminals DI / DO (D0_P, D0_N, D1_P, D1_N, HSYNC, VSYNC) of the chip 06 are connected for communication; the USB serial interface terminals USB_DN / DP (USB_DP and USB_DN are differential data ports, USB_ID is the device identification port, and USB_VBUS is the USB power supply port) of the first processor 102 are connected to the interface expansion chip 109 ( Figures 6-7 The USB serial input interface DN / DP_IN (VBUS is the power supply interface, DP_IN and DN_IN are differential data ports, and ID_IN is the device identification port) of the interface expansion chip 109 is connected to the air conditioning system operation sensing interface 110. Figures 6-7 The USB serial input terminal D+ / - (D+3 and D-3 are differential signal transmission ports, and VCC3 is the power supply interface) of the chip 010 is used for communication connection.

[0054] The second USB serial output interface DN / DP_OUT of the interface expansion chip 109 (VBUS1 is the power supply interface, DP_OUT1 and DN_OUT1 are differential signal transmission ports) and the user interface 110 ( Figures 6-7The USB serial input terminal D+ / - (D+1, D-1 are differential signal transmission ports, VCC1 is the power supply interface) of the chip 08 is connected for communication; the third USB serial output interface terminal DN / DP_OUT (VBUS2 is the power supply interface, DP_OUT2, DN_OUT2 are differential signal transmission ports) of the interface expansion chip 109 is connected to the signal conversion and device control module interface 114 ( Figures 6-7 The USB serial input terminal D+ / - (D+2, D-2 are differential signal transmission ports, VCC2 is the power supply interface) of the chip 09 is connected for communication; the fourth USB serial output interface terminal DN / DP_OUT (VBUS4 is the power supply interface, DP_OUT4, DN_OUT4 are differential signal transmission ports) of the interface expansion chip 109 is connected to the debugging interface 115 ( Figures 6-7 The USB serial input terminals D+ / - (D+4 and D-4 are differential signal transmission ports, and VCC4 is the power supply interface) of the chip 011 are used for communication; the infrared receiver 116 ( Figures 6-7 The OUT port of the chip 012 is a data transmission interface, which is connected to the communication port GPIO1 of the first processor 102. VCC5 is a power supply port, which is electrically connected to the power supply port VDD1 of the first processor 102; the power button 117 ( Figures 6-7 The KEY of the chip 013 is the data transmission port, which is connected to the communication port GPIO2 of the first processor 102.

[0055] The interface expansion chip 109 enables the expansion of multiple USB interface devices. It should be noted that the number of interfaces on the second housing 107 in this solution can be adjusted according to actual needs. This solution is only illustrative in the accompanying drawings and embodiments and does not represent the actual number of interfaces. The number of interface expansion chips 109 can also be multiple; for example, one interface expansion chip can be provided for each type of interface to achieve expanded connection of multiple different types of devices.

[0056] The first and second temperature sensors can be PT100 temperature sensors, the first and second flow sensors can be TX111-STT-25-100-R / WF, the first processor can be a MediaTek Helio P90, and the second wireless communication chip can be a DA14531, supporting low-power Bluetooth or ZigBee communication protocols. The USB interface expansion chip can be a CH634.

[0057] Specifically, the control unit 1 is injection molded from ABS engineering plastic, and its upper surface has louvered openings for heat dissipation. The second antenna bracket 108 connects to the receiving antenna 105. During installation, the rotation angle of the receiving antenna 105 can be adjusted to stabilize the wireless transmission signal. After installation, the receiving antenna 105 is locked. The receiving antenna 105 is connected to the second wireless communication chip 103 in the second motherboard 120 via a signal line, enabling the control unit 1 to establish a wireless data link with the independent multi-parameter sensing unit 2 and the signal conversion and device control module 4.

[0058] The second power module 106 provides power to the second motherboard 120 and its associated storage module 104, second wireless communication chip 103, receiving antenna 105, etc., and uses a lithium battery as its power source.

[0059] The air conditioning system operation sensing unit 3 can acquire air conditioning system operation parameters through a first temperature sensor 31, a first flow sensor 32, a second temperature sensor 33, and a second flow sensor 34. Specifically, the first temperature sensor 31 is installed in the supply and return water pipes of the fresh air system, and the first flow sensor 32 is installed in the return water pipe of the fresh air unit to collect the temperature difference and flow rate of the supply and return water of the fresh air system. The second temperature sensor 33 is installed in the supply and return water pipes of the radiant system, and the second flow sensor 34 is installed in the return water pipe of the radiant system to collect the temperature difference and flow rate of the supply and return water of the radiant system. The data transmitting ends of the first temperature sensor 31, the first flow sensor 32, the second temperature sensor 33, and the second flow sensor 34 are all connected to the corresponding air conditioning system operation sensing interface 110 for communication.

[0060] The radiant air conditioning terminal equipment includes multiple devices to be controlled, and the control signal input terminal of each device is communicatively connected to the control signal output terminal of the first processor 102. The devices to be controlled can be water pumps, mixing centers, solenoid valves, and fresh air units.

[0061] like Figure 8-9 As shown, the signal conversion and device control unit 4 may include a USB to RS485 adapter 41, an RS485 hub 42, and an isolation transmitter 43. There are four isolation transmitters 43, and each isolation transmitter 43 corresponds to one device to be controlled.

[0062] The first processor 102's USB control signal output port USB_DN / DP (or signal conversion and device control module interface 114's D+2 / D-2) and USB to RS485 adapter 41 ( Figure 9The USB control signal input port DN / DP_IN of the USB to RS485 adapter 41 is connected to the RS485 control signal output port IN_A / B of the RS485 hub 42. The RS485 control signal output ports OUT_A / B (OUT_A2, OUT_B2, OUT_A3, OUT_B3, OUT_A4, OUT_B4, OUT_A5, and OUT_B5 are RS485 data transmission ports) of the RS485 hub 42 are connected to the RS485 control signal input ports A / B (A2, B2, A3, B3, A4, B4, A5, and B5 are RS485 data transmission ports) of multiple isolation transmitters 43. The RS485 data transmission ports of each isolation transmitter 43 are connected to the RS485 control signal output ports OUT_A / B (OUT_A22, OUT_B22, OUT_A33, OUT_B33, OUT_A44, OUT_B44, OUT_A55, and OUT_B55 are RS485 data transmission ports) and the corresponding control input terminals CONTROL_A / B (CONTROL_A2, CONTROL_B2, CONTROL_A3, CONTROL_B3, CONTROL_A4, CONTROL_B4, CONTROL_A5, and CONTROL_B5 are RS485 data transmission ports) of the controlled device. Specifically, isolation transmitter 1 ( Figure 9 The RS485 control signal output port OUT_A / B of the 1003) is connected to the water pump ( Figure 9 The control input terminal CONTROL_A / B of the 1007) is connected to the isolation transmitter 2 ( Figure 9 The RS485 control signal output port OUT_A / B of the 1004) is connected to the mixing center ( Figure 9 The control input terminal CONTROL_A / B of the 1008) is connected to the isolation transmitter 3 ( Figure 9 The RS485 control signal output port OUT_A / B of the 1005 (likely referring to a specific device or component) is connected to the fresh air unit (likely referring to a specific unit or component). Figure 9 The control input terminal CONTROL_A / B of the 1009) is connected to the isolation transmitter 4 ( Figure 9 The RS485 control signal output port OUT_A / B of the 1006 is connected to the solenoid valve ( Figure 9 The CONTROL_A / B communication connection is established with the control input terminal of the 1010 (China).

[0063] The signal output by the first processor is converted into an industrial standard signal via a USB to RS485 adapter 41, an RS485 hub 42, and an isolation transmitter 43, and then transmitted to the device to be controlled or executed, namely a water pump, a mixing center, a fresh air unit, and a solenoid valve.

[0064] The RS485 adapter model can be Marshall CV-USB-RS485, the RS485 hub model can be ZLAN9440, and the isolation transmitter model can be JSD TA-1001-D1.

[0065] To address the problems existing in the prior art, this utility model innovatively proposes a radiant air conditioning terminal acquisition device, which includes an independent multi-parameter sensing unit installed indoors for collecting indoor environmental parameters, an air conditioning system operation sensing unit installed inside the air conditioning system for collecting internal operating parameters of the air conditioning system, and a thermal imaging camera installed indoors for acquiring indoor heat sources. It can timely acquire information on factors affecting the operation of the radiant air conditioning terminal, namely indoor environmental parameters, air conditioning system operating parameters, and indoor heat source parameters, avoiding insufficient data acquisition from a single type or single source, and improving the comprehensiveness of information acquisition from the radiant air conditioning terminal.

[0066] In this utility model, the temperature and humidity sensor and the carbon dioxide sensor are placed on the surface of the first housing. Compared with some existing designs where the sensors are built-in, environmental data can be acquired more quickly and accurately. The first antenna bracket is fixedly connected to the first housing, and the first antenna bracket and the transmitting antenna are connected to the transmitting antenna by an adjustable angle via a thread. Indoor environments are complex and have many obstacles and signal interference. Compared with the existing structure of fixed antennas, the antenna with adjustable angle can improve the stability and reliability of wireless connection.

[0067] The control unit of this utility model includes an interface expansion chip, which can support the interface expansion of multiple devices, improving convenience and maintenance efficiency; the thermal imaging camera and the antenna are connected by threads to achieve a rotatable and locking design, which can flexibly adjust the viewing angle and signal transmission direction according to the actual environment during installation. Compared with the existing design of fixed installation, it can better adapt to different room layouts and signal environments.

[0068] Although the specific embodiments of the present utility model have been described above in conjunction with the accompanying drawings, this is not intended to limit the scope of protection of the present utility model. Those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without creative effort based on the technical solution of the present utility model are still within the scope of protection of the present utility model.

Claims

1. A radiant air conditioning terminal data acquisition device, characterized in that, include: Control unit (1), independent multi-parameter sensing unit (2), air conditioning system operation sensing unit (3), signal conversion and equipment control unit (4). The independent multi-parameter sensing unit (2) includes a temperature and humidity sensor (21) and a carbon dioxide sensor (22) installed indoors for collecting indoor environmental parameters. The air conditioning system operation sensing unit (3) includes a first temperature sensor (31) installed in the supply and return water pipes of the fresh air system, a first flow sensor (32) installed in the return water pipe of the fresh air unit, a second temperature sensor (33) installed in the supply and return water pipes of the radiation system, and a second flow sensor (34) installed in the return water pipe of the radiation system. The control unit (1) includes a thermal imaging camera (101) for acquiring indoor heat sources and a first processor (102). The data communication terminals of the thermal imaging camera (101), temperature and humidity sensor (21), carbon dioxide sensor (22), first temperature sensor (31), first flow sensor (32), second temperature sensor (33), and second flow sensor (34) are respectively connected to the data communication terminal of the first processor (102). The control output terminal of the first processor (102) is connected to the control input terminal of the radiant air conditioning terminal device in the signal conversion and equipment control unit (4).

2. The radiant air conditioning terminal data acquisition device according to claim 1, characterized in that, The independent multi-parameter sensing unit (2) further includes a first housing (23), a transmitting antenna (24), a second processor (25), a first wireless communication chip (26), and a first power module (27). The temperature and humidity sensor (21), the carbon dioxide sensor (22), and the transmitting antenna (24) are all located outside the first housing (23), while the second processor (25), the first wireless communication chip (26), and the first power module (27) are all located inside the first housing (23). The data input terminal of the second processor (25) is connected to the environmental data output terminals of the temperature and humidity sensor (21) and the carbon dioxide sensor (22), respectively. The environmental data output terminal of the second processor (25) is connected to the environmental data input terminal of the first wireless communication chip (26), and the environmental data output terminal of the first wireless communication chip (26) is connected to the data communication terminal of the transmitting antenna (24). The power output terminal of the first power module (27) is electrically connected to the power input terminals of the second processor (25), the first wireless communication chip (26), the temperature and humidity sensor (21), and the carbon dioxide sensor (22), respectively.

3. The radiant air conditioning terminal data acquisition device according to claim 2, characterized in that, The first power module (27), the second processor (25), the first wireless communication chip (26), the data output interface of the temperature and humidity sensor (21), and the data output interface of the carbon dioxide sensor are all integrated on the first motherboard inside the first housing (23). The first housing (23) is provided with a first antenna bracket (28), which is fixedly connected to the first housing (23). The first antenna bracket (28) and the transmitting antenna (24) are connected by threads.

4. The radiant air conditioning terminal data acquisition device according to claim 2, characterized in that, The single-bus data output terminal DOUT of the temperature and humidity sensor (21) and the carbon dioxide sensor (22) are connected to the single-bus data input terminal GPIO1 of the second processor (25), or the dual-bus data output terminal TX of the temperature and humidity sensor (21) and the carbon dioxide sensor (22) are connected to the first dual-bus data input terminal UART2_RX of the second processor (25); the first dual-bus data output terminal UART1_TXD of the second processor (25) is connected to the environmental data input terminal UART_RX of the first wireless communication chip (26), the environmental data differential RF port RFIO of the first wireless communication chip (26) is connected to the differential signal transmission port ANT of the transmitting antenna (24), and the differential signal transmission port ANT of the transmitting antenna (24) is connected to the data communication terminal of the first processor (102).

5. A radiant air conditioning terminal data acquisition device according to claim 2, characterized in that, The control unit (1) further includes a second wireless communication chip (103), a storage module (104), a receiving antenna (105), a second power module (106), and a second housing (107). The thermal imaging camera (101) and the receiving antenna (105) are both located outside the second housing (107), while the first processor (102), the second wireless communication chip (103), the storage module (104), and the second power module (106) are all located inside the second housing (107). The environmental data input terminal of the first processor (102) and the environmental data input terminal of the second wireless communication chip (103) are connected. The output terminals are connected to the data communication terminals of the first processor (102) and the data communication output terminals of the storage module (104); the air conditioning system sensing data input terminal of the second wireless communication chip (103) is connected to the air conditioning system sensing data output terminals of the first temperature sensor (31), the first flow sensor (32), the second temperature sensor (33), and the second flow sensor (34), respectively; the power output terminal of the second power module (106) is electrically connected to the power input terminals of the first processor (102), the second wireless communication chip (103), and the storage module (104), respectively.

6. The radiant air conditioning terminal data acquisition device according to claim 5, characterized in that, The data output interfaces of the second power module (106), the first processor (102), the second wireless communication chip (103), the storage module (104), and the thermal imaging camera (101) are all integrated on the second motherboard inside the second housing (107). The second housing (107) is provided with a second antenna bracket (108) and a camera bracket (111). The second antenna bracket (108) is fixedly connected to the second housing (107), and the second antenna bracket (108) is connected to the receiving antenna (105) by a thread. The camera bracket (111) is fixedly connected to the second housing (107), and the camera bracket (111) is connected to the thermal imaging camera (101) by a thread.

7. A radiant air conditioning terminal data acquisition device according to claim 6, characterized in that, The control unit (1) further includes an interface expansion chip (109), an air conditioning system operation sensing interface (110), and a thermal imaging camera interface (118). The expansion output terminal of the interface expansion chip (109) is communicatively connected to the air conditioning system sensing data input terminal of the first processor (102). The expansion input terminal of the interface expansion chip (109) is communicatively connected to the air conditioning system operation sensing interface (110) of the first temperature sensor (31), the first flow sensor (32), the second temperature sensor (33), and the second flow sensor (34), respectively. The thermal imaging camera interface (118) is communicatively connected to the first processor (102).

8. A radiant air conditioning terminal data acquisition device according to claim 6, characterized in that, The dual-bus data input terminal UART1_RXD of the first processor (102) is communicatively connected to the environmental data output terminal UART0_TX of the second wireless communication chip (103). The environmental data differential radio frequency port RFIO of the second wireless communication chip (103) is communicatively connected to the differential signal transmission port ANT of the receiving antenna (105). The differential signal transmission port ANT of the receiving antenna (105) is communicatively connected to the differential signal transmission port ANT of the transmitting antenna (24). The data communication terminal SDIO_DATA of the first processor (102) is communicatively connected to the data communication terminal DAT of the storage module (104). The clock communication terminal SDIO_CLK of the first processor (102) is communicatively connected to the storage module (104). The clock communication terminal CLK of the first processor (102) is connected to the command communication terminal SDIO_CMD of the first processor (102) and the command communication terminal CMD of the storage module (104); the camera serial interface terminal CSI_DI / DO of the first processor (102) is connected to the serial interface terminal DI / DO of the thermal imaging camera interface (118); the USB serial interface terminal USB_DN / DP of the first processor (102) is connected to the USB serial input interface terminal DN / DP_IN of the interface expansion chip (109); the USB serial output interface terminal DN / DP_OUT of the interface expansion chip (109) is connected to the USB serial input terminal D+ / - of the air conditioning system operation sensing interface (110).

9. A radiant air conditioning terminal data acquisition device according to claim 1, characterized in that, The radiant air conditioning terminal equipment includes multiple devices to be controlled, and the control signal input terminal of each device to be controlled is communicatively connected to the control signal output terminal of the first processor (102).

10. A radiant air conditioning terminal data acquisition device according to claim 9, characterized in that, The signal conversion and device control unit (4) includes a USB to RS485 adapter (41), an RS485 hub (42), and an isolation transmitter (43). The USB control signal output port of the first processor (102) is connected to the USB control signal input port of the USB to RS485 adapter (41). The RS485 control signal output port IN_A / B of the USB to RS485 adapter (41) is connected to the RS485 control signal input port A / B of the RS485 hub (42). The RS485 control signal output port OUT_A / B of the RS485 hub (42) is connected to the RS485 control signal input ports A / B of multiple isolation transmitters (43). The RS485 control signal output port OUT_A / B of each isolation transmitter (43) is connected to the control input terminal CONTROL_A / B of the corresponding device to be controlled.

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