CN201569110U - Controller of central air-conditioning fan coil - Google Patents
Controller of central air-conditioning fan coil Download PDFInfo
- Publication number
- CN201569110U CN201569110U CN2009202883297U CN200920288329U CN201569110U CN 201569110 U CN201569110 U CN 201569110U CN 2009202883297 U CN2009202883297 U CN 2009202883297U CN 200920288329 U CN200920288329 U CN 200920288329U CN 201569110 U CN201569110 U CN 201569110U
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Abstract
The utility model relates to the technology of the control of central air-conditioning fan coils, in particular to a controller of a central air-conditioning fan coil, which comprises five parts: a control module, a sensor module, a key module, a liquid crystal display module and a control output module, wherein the control module stores a control program, is used for running a control strategy and communicates with an upper computer by a network controller; the sensor module acquires the information of environment temperature; the key module receives the key operating commands of users; the liquid crystal display module displays the running state, the running mode and the environment temperature of the controller of the central air-conditioning fan coil; and the control output module is used for controlling the running of the central air-conditioning fan coil. The utility model is suitable for the energy-saving transformation of large-sized buildings, can regulate the central air-conditioning fan coil according to the environment temperature and reduces the running energy consumption of the air-conditioning system, and simultaneously, due to the fact that a wireless communication technology is adopted, large amount of wiring can be saved, and the construction cost of the system is reduced.
Description
Technical field
The present invention relates to central air-conditioning fan coil control technology, be specifically a kind of based on radio communication central air-conditioning fan coil controller.
Background technology
Along with the global energy problem becomes increasingly conspicuous and China science and technology economy progressively develops, building energy conservation becomes the importance of building a conservation-minded society.Concrete measure and developing direction that the building energy conservation of establishing according to the Ministry of Construction requires, energy conservation starts in China comprehensively, implements.Can reduce architectural electricity energy resource consumption standard, improve the architectural electricity energy utilization rate, be the important step in the energy-saving design in construction.Yet in office building, problem ubiquities such as similar air-conditioning Chang Kai not only waste energy, and have also shortened the service life of equipment such as air-conditioning to a great extent, cause the increase of building operation cost.Current building automation system adopts wired mode usually, and this mode needs a large amount of wirings, and wiring is installed very inconvenience with system, has increased the installation cost of system simultaneously.
Wireless sensor network technology has obtained development fast in recent years.Wireless sensor network generally adopts the communication of multi-hop (multi-hop), equity (peer to peer), self have autonomous networking, characteristics such as network size is variable, node can be disposed in a large number, unmanned, simultaneously can reduce node energy consumption by dormancy mechanism.
Combining wireless sensing network technology and central air-conditioning control technology can realize the automatic control of central air-conditioning easily, are easy to realize the Long-distance Control of central air conditioning system simultaneously.Compare with the building control products that adopts the wired network communication technology, the attractive spot of wireless solution is the flexibility of mounting arrangements, cheap mounting cost and mobility when building automation system rearranged.In building automation system, adopt wireless solution, can solve quickly and easily and use wired mode to be difficult for the network-in-dialing problem that realizes.But relevant at present technical scheme is not appeared in the newspapers yet.
Summary of the invention
The purpose of this invention is to provide a kind of central air-conditioning fan coil controller, it combines wireless communication technology and central air-conditioning control technology, realizes the automatic control and the Long-distance Control of central air-conditioning fan coil.
To achieve these goals, technical scheme of the present invention is:
Be installed in the wireless sensor network that comprises host computer (8), network controller (7) formation, communicate by letter with host computer (8) by network controller (7), input is also communicated by letter with dual technology detector (9); Structure comprises:
-control module (1) has control program, is used to move control strategy, communicate by letter with host computer (8) by network controller (7), be used to receive the wireless instructions of host computer (8), input is also communicated by letter with dual technology detector (9), is used to receive the information that the personnel of dual technology detector (9) exist;
-sensor assembly (2), input is gathered ambient temperature information, and output links to each other with control module (1);
-key-press module (3), input are accepted user's button operation instruction, and output links to each other with control module (1);
-LCD MODULE (4), input links to each other with control module (1), and output shows the running status of fan coil (6), duty and operational mode, design temperature information and the ambient temperature information of central air-conditioning fan coil controller;
-control output module (5), input links to each other with control module (1), receives the instruction that control module (1) is sent, and output is connected to fan coil (6), is used to control fan coil (6) operation.
Also comprise router (13) in the described wireless sensor network, described control module (1) is also communicated by letter with host computer (8) by router (13) and network controller (7).
Described sensor assembly (2) is made up of temperature sensor, resistance and electric capacity, wherein, temperature sensor between power supply and ground, described resistance with constitute cascaded structure with temperature sensor after electric capacity is in parallel; Dividing potential drop node with the temperature sensor series connection after resistance and the electric capacity parallel connection links to each other with control module, the partial pressure value computing environment temperature after connecting by resistance and temperature sensor.
Described key-press module (3) power supply and ground between constitutes bleeder circuit structure with being connected on after resistance is connected by parallel connection at least one partial pressure unit; Wherein, described partial pressure unit is the divider resistance and the button cascaded structure of different resistances; Described partial pressure unit links to each other with control module with node between the resistance, distinguishes push-button type by control module (1) by the partial pressure value of each partial pressure unit.
Described control output module (5) links to each other with magnetic valve, the blower fan of fan coil respectively by relay, and control output module (5) is controlled magnetic valve, the blower fan of fan coil respectively by relay.
The present invention has following beneficial effect:
1. realization operated from a distance.Send the switch of long distance wireless instruction control central air-conditioning fan coil controller by PC control software.And the sensor assembly of collecting temperature information and collection personnel exist the dual technology detector of information arbitrarily to install as requested, and control module (as in a building) in setting range can receive wireless instructions by wireless sensor network.
2. can realize automation control.By PC control software the central air-conditioning fan coil that disperses is carried out centralized and unified control, send wireless instructions and control central air-conditioning fan coil controller switches fan coil automatically, save a large amount of manpowers.
3. the wireless network mounting arrangements is flexible.Reduce a large amount of house wiring, saved installation cost, simultaneously can dispersed placement equipment, the installation of centre air-conditioning draught fan coil pipe controller is relatively independent, thereby system movability is strong, and can upgrade network repeatedly, is easy to network and equipment are safeguarded.
4. energy savings.Set (as: if after the information that the central air-conditioning fan coil controller timing setting personnel that do not receive in 10 minutes exist automatic stand-by) by reasonably central air-conditioning draught fan coil pipe controller being carried out parameter, the supply of control central air-conditioning fan coil controller power source, increased the service life of central air-conditioning fan coil controller, also can effectively reduce air-conditioning length and open the electric consumption of using that brings, effectively utilize the energy by temperature control.
Description of drawings
Fig. 1 is the structure chart of the embodiment of the invention 1;
Fig. 2 is the control program flow chart that control module has among Fig. 1;
Fig. 3 is the structure chart of the embodiment of the invention 2.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Embodiment 1
As shown in Figure 1, central air-conditioning fan coil controller of the present invention, be installed in the wireless sensor network that comprises host computer 8, network controller 7 formations, wherein, central air-conditioning fan coil controller is communicated by letter with host computer 8 by network controller 7, and input also links to each other with dual technology detector 9 (present embodiment is installed on the mansion indoor ceiling); Described central air-conditioning fan coil controller architecture comprises:
-control module 1, present embodiment adopts U1 (chip is CC2430F128), there is control program, be used to move control strategy, communicate by letter with host computer 8 by network controller 7, receive the wireless instructions of host computer 8, input also links to each other with dual technology detector 9, receives the information of personnel's existence of dual technology detector 9 collections;
-sensor assembly 2 (present embodiment is installed on the mansion indoor ceiling), input is gathered ambient temperature information, and output links to each other with control module 1;
-key-press module 3, input are accepted user's button operation instruction, and output links to each other with control module 1;
-LCD MODULE 4, input links to each other with control module 1, and output shows the running status of fan coil 6, duty and operational mode, design temperature information and the ambient temperature information of central air-conditioning fan coil controller;
-control output module 5, input links to each other with control module 1, receives the instruction that control module 1 is sent, and output is connected to fan coil 6, is used to control fan coil 6 operations.
Described sensor assembly 2 is made up of temperature sensor (present embodiment adopts thermistor RT1), resistance and electric capacity (present embodiment adopts the electric capacity of uncoupling), wherein, temperature sensor between power supply and ground, described resistance with constitute cascaded structure with temperature sensor after electric capacity is in parallel; Link to each other with the pin (P0.0) of one tunnel inside A/D converter of control module with the dividing potential drop node of temperature sensor series connection after resistance and the electric capacity parallel connection, control module is by carrying out the A/D sampling to the partial pressure value after resistance and the temperature sensor series connection, can calculate the resistance of temperature sensor, the resistance and the current environmental temperature table of comparisons of the thermistor RT1 by known foundation find out corresponding temperature value then.
Described key-press module 3 (((present embodiment is formed for R2～R8), the first～six button by the second～eight resistance by S1～S6), the 5th electric capacity (C5) and the 7th electric capacity (C7), resistance difference between the second～seven resistance R, 2～R7, the power supply that act as of the 5th electric capacity (C5) and the 7th electric capacity (C7) is uncoupled, wherein, second resistance R 2 is connected with switch key S1; The 3rd resistance R 3 is connected with operational mode button S2; The 4th resistance R 4 is connected with wind speed button S3; The 5th resistance R 5 is provided with temperature button S4 and connects with heightening; The 6th resistance R 6 is provided with temperature button S5 and connects with turning down; The 7th resistance R 7 with check that temperature button S6 is set to connect) by parallel connection at least one partial pressure unit (present embodiment adopt the second～seven resistance (R2～R7) successively respectively with the first～six button (S1～S6) constitute six components to press the unit) be connected on formation bleeder circuit structure between power supply and the ground after the 8th resistance R 8 is connected; Described partial pressure unit links to each other with control module by one tunnel pin (P2.4) with interrupt function is connected inner A/D converter with one tunnel pin (P0.1) with node between the resistance, when button S1～S6 presses, because the sudden change of level, the pin of trigger control module interrupts, and control module can be moved the button recognizer.Because the resistance difference between resistance R 2～R7, the magnitude of voltage that is input to microcontroller U1 when button is pressed is also different, and the magnitude of voltage that control module is obtained current input by the A/D sampling is distinguished corresponding push-button type.
Described control output module 5 links to each other with magnetic valve, the blower fan of fan coil 6 respectively by relay, and control output module 5 is controlled magnetic valve, the blower fan of fan coil 6 respectively by relay.
The duty of central air-conditioning fan coil controller can realize by the control program in the control module, be divided into running status, closed condition and holding state, wherein, the state variation of described running status and closed condition is by button operation instruction control, and holding state is by control program control (control program that present embodiment adopts is that control module 1 receives the transformation that information that personnel that dual technology detector 9 collects exist realizes state).
When central air-conditioning draught fan coil pipe controller is running status, (present embodiment is set at 10 minutes) control module 1 does not receive the information that personnel exist in the T1 time, central air-conditioning fan coil controller changes holding state into, when central air-conditioning draught fan coil pipe controller is holding state, if control module 1 receives the information that personnel exist, central air-conditioning fan coil controller changes running status into; When central air-conditioning draught fan coil pipe controller was in running status, control module 1 was controlled the operation of fan coil by analyzing current ambient temperature information, design temperature information and current operational mode;
As shown in Figure 2, described control program idiographic flow is as follows:
The system program initialization;
The ambient temperature information of control module 1 receiving sensor module 2 timing acquiring (setting timing is 5 seconds);
Judge Current Temperatures and central air-conditioning fan coil controller present mode:
1) if Current Temperatures is higher than and temperature is set and under the refrigeration situation: open fan coil 6 magnetic valves, open fan coil 6 blower fans to corresponding gear instruction by judging temperature difference, sending; If Current Temperatures reaches design temperature, then close the magnetic valve and the blower fan of fan coil 6;
2) if Current Temperatures is higher than and temperature is set but not under the refrigeration situation, then closes the magnetic valve and the blower fan of fan coil 6;
3) if Current Temperatures is lower than and temperature is set and under the situation of heating: open fan coil 6 magnetic valves, open fan coil 6 blower fans to corresponding gear instruction by judging temperature difference, sending; If Current Temperatures reaches design temperature, then close the magnetic valve and the blower fan of fan coil 6;
4) if Current Temperatures is lower than and temperature is set but not under the situation of heating, then closes the magnetic valve and the blower fan of fan coil 6;
5), then close the magnetic valve and the blower fan of fan coil 6 if Current Temperatures equals to be provided with temperature;
No matter be in which kind of situation, fan coil 6 controller states change, and control module sends the running status and the Current Temperatures information of the duty that comprises central air-conditioning fan coil controller and operational mode, fan coil to host computer 8 by network controller 7.
Power supply mode of the present invention is as follows: (AC/DC changeover switch 11 is by capacity voltage dropping circuit by AC/DC changeover switch 11 to adopt civil power 12 (present embodiment is the 220V AC-powered), rectification and mu balanced circuit are formed, be prior art) back generation direct current 12V direct current, relay power supply for control output module 5, described 12V direct current utilizes Voltage stabilizing module 10 (present embodiment adopts the BM1117 chip) to become the 3.3V direct current again, is other module for power supply;
Operation principle of the present invention is as follows:
Enter running status by switch key operational order control central air-conditioning fan coil controller, at T1 in the time, if control module 1 receives the information that personnel that dual technology detector 9 collects exist, then central air-conditioning fan coil controller continues running status; Otherwise central air-conditioning fan coil controller enters holding state, and at this moment LCD MODULE works on, but fan coil cuts out; When central air-conditioning draught fan coil pipe controller was holding state, control module 1 received the information that personnel that dual technology detector 9 collects exist, and central air-conditioning fan coil controller enters running status; When central air-conditioning draught fan coil pipe controller is in running status, can the temperature button is set check current set temperature value by pressing, turn down if desired and temperature is set then presses to turn down the temperature button is set, whenever by once once reducing, long by after 0.5 second, subtracted 1 automatically in per 0.5 second, heighten if desired and temperature is set then presses to heighten the temperature button is set, whenever by once once increasing, long by after 0.5 second, added 1 automatically in per 0.5 second; As long as long, will show current temperature value by back relieving 2 seconds; Current environmental temperature of sensor assembly 2 collections in per 5 seconds, send to control module 1 Current Temperatures information, control module compares Current Temperatures information and current set temperature value, and refrigeration, the heating mode of central air-conditioning fan coil controller is set by pattern control button; (1) under refrigeration mode: if the temperature that collects is higher than design temperature, open the magnetic valve of fan coil, and select by the wind speed of key control fan coil by wind speed; If it is low wind that temperature difference, is then selected wind speed less than 1 degree, the blower fan of opening fan coil is to low wind shelves; If temperature difference spends greater than 1 but less than 3 degree, then selecting wind speed is apoplexy, if temperature difference is spent greater than 3, then selecting wind speed is high wind, opens the paramount wind shelves of blower fan of fan coil; When Current Temperatures reaches set temperature value, close the magnetic valve of fan coil, close the blower fan of fan coil; (2) under the heating mode: if the temperature that collects is lower than design temperature, open the magnetic valve of fan coil, and select by the wind speed of key control fan coil by wind speed; If it is low wind that temperature difference, is then selected wind speed less than 1 degree, the blower fan of opening fan coil is to low wind shelves; If temperature difference spends greater than 1 but less than 3 degree, then selecting wind speed is apoplexy, if temperature difference is spent greater than 3, then selecting wind speed is high wind, opens the paramount wind shelves of blower fan of fan coil; When Current Temperatures reaches set temperature value, close the magnetic valve of fan coil, close the blower fan of fan coil.
No matter any above-mentioned situation takes place, as long as central air-conditioning fan coil controller state changes, control module 1 just comprises the running status and the Current Temperatures information of the duty of central air-conditioning fan coil controller and operational mode, fan coil to host computer 8 transmissions by network controller 7.
Effect: combining with wireless sensor network technology of the present invention and central air-conditioning control technology, can realize the automatic control of fan coil 6 easily.Compared with prior art, the present invention program's mounting arrangements has flexibility (mobility when building automation system is rearranged), can solve the network-in-dialing problem that wired mode is difficult for realization quickly and easily.
Embodiment 2
Be with embodiment one difference:
As shown in Figure 3, control module 1 can also receive the wireless instructions of host computer 8 by router one 3, and wherein, host computer 8 connects router 13 by network controller 7.
Described running status and closed condition are also controlled by the wireless instructions of host computer 8.
Described holding state is transformed into running status also receives host computer 8 by control module 1 wireless instructions realization.
Described sensor assembly 2 and dual technology detector 9 can be installed on the wall of mansion corridor and (can also be installed on the ceiling or wall of entrance hall, corridor).
Claims (5)
1. a central air-conditioning fan coil controller is installed in the wireless sensor network that comprises host computer (8), network controller (7) formation, communicates by letter with host computer (8) by network controller (7), and input is also communicated by letter with dual technology detector (9); Structure comprises:
-control module (1) has control program, is used to move control strategy, communicate by letter with host computer (8) by network controller (7), be used to receive the wireless instructions of host computer (8), input is also communicated by letter with dual technology detector (9), is used to receive the information that the personnel of dual technology detector (9) exist;
-sensor assembly (2), input is gathered ambient temperature information, and output links to each other with control module (1);
-key-press module (3), input are accepted user's button operation instruction, and output links to each other with control module (1);
-LCD MODULE (4), input links to each other with control module (1), and output shows the running status of fan coil (6), duty and operational mode, design temperature information and the ambient temperature information of central air-conditioning fan coil controller;
-control output module (5), input links to each other with control module (1), receives the instruction that control module (1) is sent, and output is connected to fan coil (6), is used to control fan coil (6) operation.
2. according to the described central air-conditioning fan coil of claim 1 controller, it is characterized in that: also comprise router (13) in the described wireless sensor network, described control module (1) is also communicated by letter with host computer (8) by router (13) and network controller (7).
3. according to the described central air-conditioning fan coil of claim 1 controller, it is characterized in that: described sensor assembly (2) is made up of temperature sensor, resistance and electric capacity, wherein, temperature sensor between power supply and ground, described resistance with constitute cascaded structure with temperature sensor after electric capacity is in parallel; Dividing potential drop node with the temperature sensor series connection after resistance and the electric capacity parallel connection links to each other with control module, the partial pressure value computing environment temperature after connecting by resistance and temperature sensor.
4. according to the described central air-conditioning fan coil of claim 1 controller, it is characterized in that: described key-press module (3) power supply and ground between constitutes bleeder circuit structure with being connected on after resistance is connected by parallel connection at least one partial pressure unit; Wherein, described partial pressure unit is the divider resistance and the button cascaded structure of different resistances; Described partial pressure unit links to each other with control module with node between the resistance, distinguishes push-button type by control module (1) by the partial pressure value of each partial pressure unit.
5. according to the described central air-conditioning fan coil of claim 1 controller, it is characterized in that: described control output module (5) links to each other with magnetic valve, the blower fan of fan coil respectively by relay, and control output module (5) is controlled magnetic valve, the blower fan of fan coil respectively by relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202883297U CN201569110U (en) | 2009-12-23 | 2009-12-23 | Controller of central air-conditioning fan coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202883297U CN201569110U (en) | 2009-12-23 | 2009-12-23 | Controller of central air-conditioning fan coil |
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| Publication Number | Publication Date |
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| CN201569110U true CN201569110U (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009202883297U Expired - Lifetime CN201569110U (en) | 2009-12-23 | 2009-12-23 | Controller of central air-conditioning fan coil |
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| CN (1) | CN201569110U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506489A (en) * | 2011-10-22 | 2012-06-20 | 成都市翻鑫家科技有限公司 | Automobile air-conditioning refrigeration control system |
| CN103216917A (en) * | 2013-05-08 | 2013-07-24 | 郭学永 | Air conditioner equipment energy-saving management system and method |
| CN103557580A (en) * | 2013-07-27 | 2014-02-05 | 高清鸿 | Intelligent energy-saving thermostat |
| CN103644630A (en) * | 2013-11-28 | 2014-03-19 | 中山市蓝水能源科技发展有限公司 | Central air-conditioning pipeline detection system |
| CN106647487A (en) * | 2016-12-15 | 2017-05-10 | 山东金洲科瑞节能科技有限公司 | Wireless indoor fan coil control system |
| CN113531789A (en) * | 2015-06-08 | 2021-10-22 | 上海诺佛尔生态科技有限公司 | Internet-based household health-preserving central air-conditioning natural window system and working method thereof |
-
2009
- 2009-12-23 CN CN2009202883297U patent/CN201569110U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102506489A (en) * | 2011-10-22 | 2012-06-20 | 成都市翻鑫家科技有限公司 | Automobile air-conditioning refrigeration control system |
| CN103216917A (en) * | 2013-05-08 | 2013-07-24 | 郭学永 | Air conditioner equipment energy-saving management system and method |
| CN103557580A (en) * | 2013-07-27 | 2014-02-05 | 高清鸿 | Intelligent energy-saving thermostat |
| CN103644630A (en) * | 2013-11-28 | 2014-03-19 | 中山市蓝水能源科技发展有限公司 | Central air-conditioning pipeline detection system |
| CN113531789A (en) * | 2015-06-08 | 2021-10-22 | 上海诺佛尔生态科技有限公司 | Internet-based household health-preserving central air-conditioning natural window system and working method thereof |
| CN106647487A (en) * | 2016-12-15 | 2017-05-10 | 山东金洲科瑞节能科技有限公司 | Wireless indoor fan coil control system |
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Granted publication date: 20100901 |