CN203464437U - Intelligent temperature controller used for fan-coil air-conditioning system - Google Patents
Intelligent temperature controller used for fan-coil air-conditioning system Download PDFInfo
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- CN203464437U CN203464437U CN201320561012.2U CN201320561012U CN203464437U CN 203464437 U CN203464437 U CN 203464437U CN 201320561012 U CN201320561012 U CN 201320561012U CN 203464437 U CN203464437 U CN 203464437U
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- fan coil
- intelligent temperature
- microprocessor
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000000875 corresponding Effects 0.000 claims abstract description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 28
- 238000001816 cooling Methods 0.000 claims description 15
- 230000002093 peripheral Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001105 regulatory Effects 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 abstract description 2
- 238000009529 body temperature measurement Methods 0.000 abstract 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 210000000214 Mouth Anatomy 0.000 description 6
- 230000001070 adhesive Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000003139 buffering Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001960 triggered Effects 0.000 description 1
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Abstract
The utility model discloses an intelligent temperature controller used for a fan-coil air-conditioning system. The intelligent temperature controller comprises a microprocessor module, a temperature measurement module, a relay module, a data storage module and a power module, wherein the relay module is used for adjusting the flow of chilled water and hot water in a fan coil; the temperature measurement module, the relay module and the data storage module are connected with corresponding ports of the microprocessor module respectively; the power module is connected with the microprocessor module and used for supplying electricity to the intelligent temperature controller; the temperature measurement module comprises first to third temperature sensors, and the first to third temperature sensors are placed at a return air inlet of the air-conditioning system, a water inlet of the fan coil and a water outlet of the fan coil respectively and transmit collected temperature signals to the microprocessor module in real time; and the microprocessor module is provided with a set temperature and used for processing the received signals so as to control operation of the microprocessor module and storing obtained air-conditioning energy billing data in the data storage module. The intelligent temperature controller has automatic temperature controlling and air-conditioning energy billing functions.
Description
Technical field
The utility model relates to a kind of temperature controller, specifically a kind of intelligent temperature controller that is applied to fan coil cooling unit.
Background technology
Temperature controller is requisite control assembly in fan coil cooling unit, it is to be mainly that core realizes A.T.C by single-chip microcomputer, existing temperature controller has the following disadvantages: first, temperature controller can not carry out accounting management to air conditioner energy, the second, in large-size air conditioning system, cannot carry out building equipment and automatically control (BA control); The 3rd, use segment liquid crystal screen or charactron as display unit, display interface is attractive in appearance not, and displaying contents is single, is inconvenient to carry out parameter setting.
Utility model content
The purpose of this utility model is to provide a kind of intelligent temperature controller that is applied to fan coil cooling unit, has temperature automatically controlled and air conditioner energy billing function.
The purpose of this utility model is to realize by following technical measures:
An intelligent temperature controller that is applied to fan coil cooling unit, is characterized in that: described intelligent temperature controller comprises microprocessor module, temperature-measuring module, for regulating the chilled water of fan coil and the relay module of hot water flow, data memory module and power module, described temperature-measuring module, relay module and data memory module are connected respectively to the corresponding port of microprocessor module, described power module connects microprocessor module, with thinking intelligent temperature controller power supply, described temperature-measuring module comprises that first to three-temperature sensor, this first is placed on respectively the return air inlet of air-conditioning system to three-temperature sensor, fan coil water inlet and fan coil delivery port, and by the temperature signal real-time Transmission collecting to microprocessor module, described microprocessor module is provided with design temperature, the signal that its processing receives, to control described microprocessor module work and to store the air conditioner energy metering data obtaining into described data memory module.
As a kind of improvement of the present utility model, described intelligent temperature controller also comprises for the communication module with external smart temperature controller composition RS485 network; Described communication module is connected to the corresponding port of microprocessor module.
As a kind of embodiment of utility model, described communication module comprises MAX485 chip and peripheral circuit thereof.
As a kind of improvement of the present utility model, described intelligent temperature controller also comprises for revising the key-press module of described design temperature; Described key-press module is connected to the corresponding port of microprocessor module.
As a kind of improvement of the present utility model, described intelligent temperature controller also comprises that described liquid crystal screen module is connected to the corresponding port of microprocessor module for showing the liquid crystal screen module of intelligent temperature controller duty.
As a kind of embodiment of utility model, described microprocessor module comprises ARM7 processor and peripheral circuit thereof.
As a kind of embodiment of utility model, described first is the monobus digital temperature sensor that model is DS18B20 to three-temperature sensor.
As a kind of embodiment of utility model, described liquid crystal screen module comprises that four-wire system resistive touch screen and parameter are 3.5 cun, 24 TFT liquid crystal displays of 320x240 pixel.
Compared with prior art, the utlity model has following beneficial effect:
Intelligent temperature controller of the present utility model is placed on three temperature sensors of diverse location by setting, Real-time Collection room temperature and fan coil Inlet and outlet water temperature are carried out temperature control room except having realized, and can also carry out accounting management to air conditioner energy; And by setting up communication module, a plurality of intelligent temperature controllers of the present utility model can form RS485 network, thereby realize building equipment, automatically control; In addition, the liquid crystal screen module that intelligent temperature controller of the present utility model is provided with, can demonstrate the duty of intelligent temperature controller clearly.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Fig. 1 is the schematic block circuit diagram of the utility model intelligent temperature controller;
Fig. 2 is the circuit theory diagrams of microprocessor module in the utility model;
Fig. 3 is the circuit theory diagrams of power module in the utility model;
Fig. 4 is the circuit theory diagrams of temperature-measuring module in the utility model;
Fig. 5 is the circuit theory diagrams of communication module in the utility model;
Fig. 6 is the circuit theory diagrams of the utility model repeat circuit module;
Fig. 7 is the circuit theory diagrams of key-press module in the utility model;
Fig. 8 is the circuit theory diagrams of data memory module in the utility model;
Fig. 9 is the circuit theory diagrams of liquid crystal display drive circuit in the utility model;
Figure 10 is the circuit theory diagrams of backlight power supply module in the utility model;
Figure 11 drives the circuit theory diagrams of chip power supply module in the utility model;
Figure 12 is the circuit theory diagrams of touch-screen identification module in the utility model.
The specific embodiment
As shown in Figures 1 to 12, the intelligent temperature controller that is applied to fan coil cooling unit of the present utility model comprises microprocessor module, temperature-measuring module, relay module, data memory module, communication module, key-press module, liquid crystal screen module and power module, wherein, temperature-measuring module, relay module, data memory module, communication module, key-press module and liquid crystal screen module are connected respectively to the corresponding port of microprocessor module, power module connects microprocessor module, with thinking intelligent temperature controller power supply, temperature-measuring module comprises that first to three-temperature sensor T1 to T3, this first to three-temperature sensor T1 to T3 return air inlet that is placed on respectively air-conditioning system, fan coil water inlet and fan coil delivery port, and by the temperature signal real-time Transmission collecting to microprocessor module, microprocessor module is provided with design temperature, by key-press module, can revise this design temperature, microprocessor module is processed the signal receiving, to control microprocessor module work, in order to regulate chilled water and the hot water flow in fan coil, and store the air conditioner energy metering data obtaining into data memory module, liquid crystal screen module shows the duty of intelligent temperature controller in real time.In addition, intelligent temperature controller of the present utility model can form RS485 network with external smart temperature controller by communication module.
Shown in Fig. 2 is microprocessor module of the present utility model, and its core is ARM7, built-in 512KB program storage, can storage color image data as liquid crystal display display background; Built-in SPI interface, for and data memory module and touch-screen identification module between carry out exchanges data; Built-in UART interface, can expand to RS485 communication interface, the realization of automatically controlling for the building equipment of temperature controller.
Shown in Fig. 3 is power module of the present utility model; utilize AC-DC module ripe on market that 220V alternating current is converted to DC voltage-stabilizing 5V power supply; in AC-DC module input access piezo-resistance, carry out surge protection, at its output access TVS pipe, late-class circuit is protected.
Shown in Fig. 4 is temperature-measuring module of the present utility model, T1, T2, T3 are monobus digital temperature sensor DS18B20, can in a bus, articulate a plurality of the type sensors, wherein T1 is used for measuring return air temperature, T2 is used for measuring fan coil inflow temperature, and T3 is used for measuring fan coil leaving water temperature.
Shown in Fig. 5 is communication module of the present utility model, it is RS485 interface by the built-in UART interface conversion of microprocessor that this module is utilized MAX485 chip, utilize RS485 bus all temperature controllers can be connected into a RS485 network, the BA that can realize temperature controller by this network controls function.
Shown in Fig. 6 is relay module of the present utility model, the I/O port of the logical microprocessor of this module is controlled conducting and the cut-off of triode, the CE end of triode is connected with relay coil, when I/O mouth carrys out high level, triode conducting, relay adhesive, otherwise relay disconnects, in temperature controller, have 5 identical relay module, 2 Kai Heguan for by-pass valve control wherein, other 3 for selecting the force 3 wind speed of fan coil.
Shown in Fig. 7 is key-press module of the present utility model, utilize the I/O mouth of microprocessor to expand 5 buttons, when button is pressed, corresponding I/O mouth is low level, when button is upspring, corresponding I/O mouth is high level, these 5 I/O mouths are used to the external interrupt entrance that inputs to microprocessor after being connected with door, when any one button is pressed, external interrupt is triggered in capital, in the interrupt service routine of microprocessor, by identifying the level of each I/O mouth, judge which button presses, thereby realize the function of each button.
Shown in Fig. 8 is data memory module of the present utility model, and this module utilizes the SPI interface of microprocessor to carry out reading and writing data to large capacity memory chips, and this memory module can be stored interface element information, historical temperature, BA control daily record, note expense situation etc.
Liquid crystal screen module of the present utility model comprises liquid crystal display driver module, liquid crystal display backlight power supply module, drives chip power supply module and touch screen module.
Shown in Fig. 9 is liquid crystal display driver module, its core is SSD1963, there is the buffering area of 1215KB SSD1963 inside, the maximum liquid crystal display that can drive 24 RGB 864x480 resolution ratio, SSD1963 adopts 16 bit data bus and MPI, and it exports to liquid crystal display by the data in buffering area by 24 RGB data/address bus, and scan-synchronized signal is provided simultaneously, because SSD1963 has a lot of power pins, in the time of wiring, on each power pins side, placed decoupling capacitor.
Shown in Figure 10 is liquid crystal display backlight power supply module, it provides electric current for the WLED on backlight board of liquid crystal screen after the power supply of 5V is boosted, make backlight board of liquid crystal screen send white light, simultaneously liquid crystal display drive IC can produce pwm signal, by regulating the brightness that the pulsewidth of PWM can adjustable liquid crystal display screen.
Shown in Figure 11 is driving chip power supply module, and it is 1.2V by the step-down of 3.3V power supply, for SSD1963 kernel provides 1.2V power supply.
Shown in Figure 12 is touch screen module, have click on touch-screen after, PENIRQ is upper can be produced a low level and trigger microprocessor and produce and interrupt, microprocessor passes through SPI interface and ADS7843 communication in interrupt response program, drive ADS7843 to carry out A/D conversion to the directions X of touch screens and Y-direction, microprocessor reads this two magnitudes of voltage, then by correction algorithm, calculates and shows corresponding coordinate figure.
The utility model is applied to the intelligent temperature controller of fan coil cooling unit, and its working method is as follows:
When intelligent temperature controller is worked, first to three-temperature sensor difference Real-time Collection return air temperature and fan coil inflow temperature and leaving water temperature, with return air temperature, represent the actual temperature of intelligent temperature controller working environment, according to the difference of design temperature and actual temperature, control adhesive or the disconnection of corresponding relay, thereby control opening or closing of fan coil water inlet valve, the wind speed of selecting according to user is again controlled the blower fan in fan coil, thereby realizes the control to room temperature; And in the situation that fan coil has water flow, microprocessor carries out energy charging according to the temperature difference of Inlet and outlet water and service time to fan coil.
A plurality of intelligent temperature controllers of the present utility model can form RS485 network by communication module, thereby can realize building equipment, automatically control, and can to each temperature controller, manage respectively according to the air conditioner energy situation of paying the fees.
Intelligent temperature controller of the present utility model is used TFT liquid crystal display as display unit, display interface is beautiful, displaying contents is abundant, during operation, can use menu, can check that data record, temperature curve, accounting management, BA control the information such as daily record, a plurality of timed power on/off time also can be set, and the functions such as temperature control curve, have broken away from traditional temperature controller and have used charactron or segment liquid crystal to shield the shortcoming that while making display unit, displaying contents is single and parameters is inconvenient.
The utility model does not limit to and the above-mentioned specific embodiment; according to foregoing; according to ordinary skill knowledge and the customary means of this area; do not departing under the above-mentioned basic fundamental thought of the utility model prerequisite; the utility model can also be made equivalent modifications, replacement or the change of other various ways, all drops among protection domain of the present utility model.
Claims (8)
1. an intelligent temperature controller that is applied to fan coil cooling unit, is characterized in that: described intelligent temperature controller comprises microprocessor module, temperature-measuring module, for regulating the chilled water of fan coil and the relay module of hot water flow, data memory module and power module, described temperature-measuring module, relay module and data memory module are connected respectively to the corresponding port of microprocessor module, described power module connects microprocessor module, with thinking intelligent temperature controller power supply, described temperature-measuring module comprises that first to three-temperature sensor, this first is placed on respectively the return air inlet of air-conditioning system to three-temperature sensor, fan coil water inlet and fan coil delivery port, and by the temperature signal real-time Transmission collecting to microprocessor module, described microprocessor module is provided with design temperature, the signal that its processing receives, to control described microprocessor module work and to store the air conditioner energy metering data obtaining into described data memory module.
2. the intelligent temperature controller that is applied to fan coil cooling unit according to claim 1, is characterized in that: described intelligent temperature controller also comprises for the communication module with external smart temperature controller composition RS485 network; Described communication module is connected to the corresponding port of microprocessor module.
3. the intelligent temperature controller that is applied to fan coil cooling unit according to claim 2, is characterized in that: described communication module comprises MAX485 chip and peripheral circuit thereof.
4. according to the intelligent temperature controller that is applied to fan coil cooling unit described in claims 1 to 3 any one, it is characterized in that: described intelligent temperature controller also comprises for revising the key-press module of described design temperature; Described key-press module is connected to the corresponding port of microprocessor module.
5. the intelligent temperature controller that is applied to fan coil cooling unit according to claim 4, it is characterized in that: described intelligent temperature controller also comprises that described liquid crystal screen module is connected to the corresponding port of microprocessor module for showing the liquid crystal screen module of intelligent temperature controller duty.
6. the intelligent temperature controller that is applied to fan coil cooling unit according to claim 5, is characterized in that: described microprocessor module comprises ARM7 processor and peripheral circuit thereof.
7. the intelligent temperature controller that is applied to fan coil cooling unit according to claim 6, is characterized in that: described first is the monobus digital temperature sensor that model is DS18B20 to three-temperature sensor.
8. the intelligent temperature controller that is applied to fan coil cooling unit according to claim 7, is characterized in that: described liquid crystal screen module comprises that four-wire system resistive touch screen and parameter are 3.5 cun, 24 TFT liquid crystal displays of 320x240 pixel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561012.2U CN203464437U (en) | 2013-09-10 | 2013-09-10 | Intelligent temperature controller used for fan-coil air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320561012.2U CN203464437U (en) | 2013-09-10 | 2013-09-10 | Intelligent temperature controller used for fan-coil air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203464437U true CN203464437U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320561012.2U Expired - Fee Related CN203464437U (en) | 2013-09-10 | 2013-09-10 | Intelligent temperature controller used for fan-coil air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203464437U (en) |
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2013
- 2013-09-10 CN CN201320561012.2U patent/CN203464437U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 510500 No. 121 martyrs East Road, Guangzhou, Guangdong, Tianhe District Patentee after: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH GROUP Co.,Ltd. Address before: 510500 Building 1, No. 121, martyrs East Road, Guangzhou, Guangdong 106 Patentee before: GUANGDONG PROVINCIAL ACADEMY OF BUILDING RESEARCH |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20210910 |