CN203133639U - Temperature and humidity control system based on ARM11 platform - Google Patents
Temperature and humidity control system based on ARM11 platform Download PDFInfo
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- CN203133639U CN203133639U CN 201220533431 CN201220533431U CN203133639U CN 203133639 U CN203133639 U CN 203133639U CN 201220533431 CN201220533431 CN 201220533431 CN 201220533431 U CN201220533431 U CN 201220533431U CN 203133639 U CN203133639 U CN 203133639U
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Abstract
The utility model discloses a temperature and humidity control system based on an ARM11 platform, and the temperature and humidity control system relates to the field of industrial automation control. The temperature and humidity control system comprises a casing, wherein an ARM11 main controller, a touch liquid crystal display screen, a data acquisition board and a relay output board are installed in the casing; the ARM11 main controller comprises a CPU data processing control unit, a liquid crystal display unit, a WIFI network unit, a USB data interface and an RS232 communication interface; the data acquisition board comprises a temperature and humidity data acquisition unit and an IO status acquisition unit; and the relay output board comprises a blower switch unit, a dehumidifier switch unit, a window pushing device switch unit and a humidifier switch unit. The ARM11 main controller is connected with the touch liquid crystal display screen through a data address bus, and the data acquisition board and the relay output board are connected with the ARM11 main controller through the RS232 communication interface. The temperature and humidity in the environment are acquired and obtained through the data acquisition board, are sent to the ARM11 main controller for processing, and then sent to the touch liquid crystal display screen for display after being processed, if a set ranged is exceeded, then corresponding protective actions are started, and a server is notified through the WIFI network unit. The temperature and humidity control system based on the ARM11 platform has the advantages of direct operation, high automation degree and networked communication function.
Description
Technical field
The utility model relates to technical field of automatic control, especially a kind of temperature and humidity control system based on ARM11 of store management.
Background technology
Temperature, humidity are two very important two indexs again commonly used in the environment measuring, common detection method is to use Hygrothermograph, traditional mercury Hygrothermograph is arranged, the electronics Hygrothermograph that also has now constantly development to come out, these can only read the humiture value of current environment; Adopt singlechip technology afterwards, the humiture data acquisition was got up, did a little simple judgements, and utilized the LED charactron to show, or some control action, defectiveness on the function can only be in some simple applications; In some complicated occasions, usually utilize and install data collecting plate card, relay output control integrated circuit board in the industrial computer additional, utilize computing machine powerful operation capacity and managerial ability, data acquisition is got up and do corresponding analysis, output control, such configuration makes system complexity uprise, the lower deployment cost height, need professional's operation, be unfavorable for safeguarding.Develop rapidly along with this several years electronic technology, ARM(Advanced RISC Machines) the calculation process ability of processor is more and more stronger, speed is more and more higher, the man-machine interface demonstration has developed into the touch LCD demonstration, input mode has also broken away from the mouse-keyboard of external hanging type, directly just can finish the input action of mouse and keyboard on LCD screen.This novel employing ARM11 hardware platform, WINCE operating system, the touch LCD screen, built-in data acquisition board and relay output board, at industry spot environment and operation requirement, the user application software of establishment makes this novel temperature and humidity control system operate simple, intuitive more, more perfect function, performance are more excellent, and the humiture that satisfies the scene detects and the control requirement.
Summary of the invention
The purpose of this utility model is exactly the inconvenience that overcomes in the above-mentioned application, design a kind of 10 cun touch LCD display screens that have, the ARM11 hardware platform, WINCE operating system has the use simple and direct temperature and humidity control system that the control of data acquisition and relay is exported.
The technology solution of the purpose of realization the utility model is as follows:
A kind of temperature and humidity control system based on the ARM11 platform comprises casing, panel, and ARM11 master controller 1 is installed in casing, touch LCD display screen 2, data acquisition board 3, relay output board 4, power supply 5; ARM11 master controller 1 comprises cpu data processing and control element (PCE) 1.1, liquid crystal display 1.2, WIFI network element 1.3, usb data interface 1.4, RS232 communication interface 1.5; Data acquisition board 3 comprises humiture data acquisition unit 3.1, IO state acquisition unit 3.2, microcontroller 3.3; Relay output board 4 comprises fan switch unit 4.1, dehumidifier switch element 4.2, pushes away window device switch element 4.3, humidifier switch element 4.4.ARM11 master controller 1 is connected with touch LCD display screen 2 by data address bus, and data acquisition board 3 is connected with ARM11 master controller 1 by RS232 communication interface 1.5 with relay output board 4.
Cpu data processing and control element (PCE) 1.1 on the ARM11 master controller 1 of described a kind of temperature and humidity control system based on the ARM11 platform is connected with the external memorizer USB flash disk by usb interface unit 1.4.
Cpu data processing and control element (PCE) 1.1 on the ARM11 master controller 1 of described a kind of temperature and humidity control system based on the ARM11 platform is connected with WIFI network element 1.3 by data address bus.
Humiture collection unit 3.1 in the data acquisition board 3 of described a kind of temperature and humidity control system based on the ARM11 platform, IO state acquisition unit and microprocessor 3.3 are connected by data address bus, gather humiture and gather the IO state.
Fan switch unit 4.1, dehumidifier switch element 4.2 in the relay output board 4 of described a kind of temperature and humidity control system based on the ARM11 platform, push away window device switch element 4.3, humidifier switch element 4.4 and microprocessor 3.3 and be connected by data address bus.
Described a kind of temperature and humidity control system based on the ARM11 platform data acquisition board 3 adopt the STC11F48 chips.
Described a kind of temperature and humidity control system based on the ARM11 platform ARM11 master controller 1 adopt the OK6410 chip.
The principle of work of this temperature and humidity control system mainly is that data acquisition board timing acquiring humiture data are sent ARM11 platform, after the ARM11 platform data is handled, storage send the touch LCD display screen to show, exceeds the scope of setting as the humiture data, then start corresponding protection action, as the temperature superelevation, then startup pushes away the window device, opens the window, start the blower fan exhausting, and report server by the WIFI network element; Parameters can also can directly be finished at the touch LCD screen by network settings.
Compared with prior art, the advantage of this temperature and humidity control system and good effect are to have adopted ARM11 platform, touch LCD display screen and WIFI network interface, at industry spot environment and operation requirement, the user application software of establishment, feasible operation is simple, intuitive more, more perfect function, performance are more excellent, and the humiture that satisfies the scene detects and the control requirement.
Description of drawings
Fig. 1 is this novel described schematic block circuit diagram synoptic diagram;
Fig. 2 is the circuit diagram of described ARM11 platform built-in circuit;
Fig. 3 is the circuit diagram of described data acquisition board circuit;
Fig. 4 is the circuit diagram of described relay output board circuit;
Fig. 5 is this novel described temperature and humidity control system example panel synoptic diagram.
Embodiment
The example and the synoptic diagram that provide referring to Fig. 1 to Fig. 5.A kind of temperature and humidity control system based on the ARM11 platform comprises panel (shown in Figure 5).ARM11 master controller 1 is installed, touch LCD display screen 2, data acquisition board 3, relay output board 4, power supply 5 in casing; ARM11 master controller 1 comprises cpu data processing and control element (PCE) 1.1, liquid crystal display 1.2, WIFI network element 1.3, usb data interface 1.4, RS232 communication interface 1.5; Data acquisition board 3 comprises humiture data acquisition unit 3.1, IO state acquisition unit 3.2, microcontroller 3.3; Relay output board 4 comprises fan switch unit 4.1, dehumidifier switch element 4.2, pushes away window device switch element 4.3, humidifier switch element 4.4.ARM11 master controller 1 is connected with touch LCD display screen 2 by data address bus, and data acquisition board 3 is connected with ARM11 master controller 1 by RS232 communication interface 1.5 with relay output board 4.
After this example ARM11 master controller 1 data are finished dealing with, adopt local storage and network storage dual mode, local storage data exist in the outside USB flash disk by usb data interface 1.4, and the network storage sends on the server by WIFI network element 1.3, make things convenient for the user to inquire about and supervise; The ARM11 platform adopts the OK6410 chip.
Data acquisition board 3 adopts 3.3 pairs of humiture data acquisition units 3.1 of microcontrollers, IO state acquisition unit 3.2, relay output board 4 to control and data read, and blower fan, dehumidifier are responsible for detecting in IO state acquisition unit, whether humidifier is opened on request or close.Microcontroller 3.3 adopts the STC11F48 chip.Microcontroller is regularly read the temperature and humidity data by the 1-wire agreement according to the order of sequence from the each point Temperature Humidity Sensor, by agreement the data of having a few are formed a packet, sends on the ARM11 master controller, carries out the data dissection process by it; After several seconds after the execute protection action, the data of ARM11 meeting active inquiry micro controller I O state acquisition unit, judge whether the protection action is correctly opened on request or closed, and IO state acquisition unit adopts optocoupler and external input signal to carry out electrical isolation; Light-coupled isolation is also passed through in relay control output.
Relay output board (Fig. 4) is except can also supporting the external switch hand switch by the temperature and humidity control system control; Three groups of external switches, blower fan manually leaves, and blower fan manually closes, and humidifier is manually opened, and humidifier manually closes, and dehumidifier manually leaves, and dehumidifier is manual; Even if temperature and humidity controller occurs unusual, also can carry out manual control to peripheral hardware by hand switch; The circuit that pushes away the window device is connected into the bridge joint mode, and one group of power supply is finished to window and close window and moved.
This novel workflow is:
1, behind the system boot, configuration parameter reads, the IO state on the data acquisition board is read in process scheduling, ARM11 primary controller, finishes initialization, interface display.
2, data acquisition board regularly reads the humiture data, forms packet according to the order of sequence and sends to the ARM11 master controller, and the ARM11 master controller carries out analyzing and processing to data, and storage judges whether to exceed setting range.
3, when exceeding setting range, open the protection action:
1) temperature exceeding standard: open and push away the window device, open the window, open blower fan, exhausting;
2) humidity superelevation: open dehumidifier;
3) humidity is ultralow: open humidifier;
4, revert to setting range when humiture, close the protection action:
1) temperature exceeding standard: close blower fan, open and push away the window device, close window;
2) humidity superelevation: close dehumidifier;
3) humidity is ultralow: close humidifier;
5, carry out system the interface is set, the upper limit, the lower limit to humiture arranges on request, and the warning classification can be selected the principal point of humiture collection, the maximal value of multiple spot, the minimum value of multiple spot, the mean value of multiple spot.
6, server can read and revise intrasystem every data and state by the WIFI network element.
Power supply adopts 220V AC to change 12V DC and 5V DC Switching Power Supply is powered to system.
Claims (4)
1. temperature and humidity control system based on the ARM11 platform, it is characterized in that: comprise casing, panel, ARM11 master controller (1) is installed in casing, touch LCD display screen (2), data acquisition board (3), relay output board (4), power supply (5), described ARM11 master controller (1) comprises cpu data processing and control element (PCE) (1.1), liquid crystal display (1.2), WIFI network element (1.3), usb data interface (1.4), RS232 communication interface (1.5), described data acquisition board (3) comprises humiture data acquisition unit (3.1), IO state acquisition unit (3.2), microcontroller (3.3), described relay output board (4) comprises fan switch unit (4.1), dehumidifier switch element (4.2), push away window device switch element (4.3), humidifier switch element (4.4), ARM11 master controller (1) is connected with relay output board (4) with data acquisition board (3) by the RS232 communication interface.
2. according to the described a kind of temperature and humidity control system based on the ARM11 platform of claim 1, it is characterized in that: the microcontroller (3.3) of described data acquisition board (3) is connected with IO state acquisition unit (3.2) with humiture data acquisition unit (3.1) by data bus.
3. according to the described a kind of temperature and humidity control system based on the ARM11 platform of claim 1, it is characterized in that: described ARM11 master controller chip model is OK6410; Data acquisition board adopts the STC11F48 singlechip chip.
4. according to the described a kind of temperature and humidity control system based on the ARM11 platform of claim 1, it is characterized in that: described data acquisition board (3) adopts the STC11F48 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533431 CN203133639U (en) | 2012-10-18 | 2012-10-18 | Temperature and humidity control system based on ARM11 platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220533431 CN203133639U (en) | 2012-10-18 | 2012-10-18 | Temperature and humidity control system based on ARM11 platform |
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| Publication Number | Publication Date |
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| CN203133639U true CN203133639U (en) | 2013-08-14 |
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| CN 201220533431 Expired - Fee Related CN203133639U (en) | 2012-10-18 | 2012-10-18 | Temperature and humidity control system based on ARM11 platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111488015A (en) * | 2020-03-19 | 2020-08-04 | 成都理工大学 | Temperature and humidity control method based on ARM11 platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111488015A (en) * | 2020-03-19 | 2020-08-04 | 成都理工大学 | Temperature and humidity control method based on ARM11 platform |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130814 Termination date: 20181018 |