CN201344606Y - Air conditioning controller - Google Patents
Air conditioning controller Download PDFInfo
- Publication number
- CN201344606Y CN201344606Y CNU2009200038696U CN200920003869U CN201344606Y CN 201344606 Y CN201344606 Y CN 201344606Y CN U2009200038696 U CNU2009200038696 U CN U2009200038696U CN 200920003869 U CN200920003869 U CN 200920003869U CN 201344606 Y CN201344606 Y CN 201344606Y
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- load
- control
- air
- conditioner controller
- controller according
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Abstract
The utility model discloses an air conditioning controller, which comprises a display panel and a control module, wherein the display panel is used to select a function segment, a function segment load and the control mode of the load, displays information and sends a control command, the control module is used to collect signals and execute load actions according to the function segment, the function segment load, the control mode and the control command, and the control module is connected with the display panel through a communication bus. The air conditioning controller can select the function segment, the function segment load and the control mode of the load by the display panel through using the control module and the display panel, thereby being capable of combining into various combined air conditioning units according to different demands of each customer, no needing to specially developing a controller according to the demands of each customer, reducing the delivery cycle, and overcoming the problems that the delivery cycle is longer because the controllers need to be developed according to the different demands of each customer when various combined air conditioning units are combined in the prior art.
Description
Technical field
The utility model relates to field of air conditioning, in particular to a kind of air-conditioner controller.
Background technology
Assembled air-conditioner is combined by many functional sections, and the control mode of the load of each functional section what and load all has multiple choices.According to each user's different demands, can be combined into multiple assembled air-conditioner unit.
In realizing the utility model process, the inventor finds that prior art when being combined into multiple assembled air-conditioner unit, need require the exploitation controller according to each client's difference, cause the delivery cycle longer.
The utility model content
The utility model aims to provide a kind of air-conditioner controller, can solve prior art when being combined into multiple assembled air-conditioner unit, need require the exploitation controller according to each client's difference, cause long problem of delivery cycle.
In embodiment of the present utility model, a kind of air-conditioner controller is provided, comprising: be used for the control mode of selection function section, functional section load, load and the display board that information shows and send control command; Be used for gathering signal and carrying out the control module that load is moved according to functional section, functional section load, control mode and control command; Wherein, control module is connected with display board by communication bus.
Preferably, above-mentioned communication bus is the RS485 bus.
Preferably, above-mentioned control module comprises at least one control mainboard, wherein, when controlling mainboard more than one, is connected by communication bus between the control mainboard.
Preferably, above-mentioned communication bus is the RS485 bus.
Preferably, above-mentioned signal is an analog signal.
Preferably, above-mentioned signal is a data signal.
Preferably, above-mentioned load is to decide the frequency motor.
Preferably, above-mentioned load is a variable-frequency motor.
Preferably, above-mentioned load is switching mode electric control valve or proportional-type electric control valve.
Preferably, above-mentioned control mode is a close-loop control mode.
The foregoing description is by adopting control module and display board, can select the control mode of functional section, functional section load, load by display board, thereby can be according to each client's different requirements, be combined into multiple assembled air-conditioner unit, and do not need to develop controller specially according to each client's demand, shortened the delivery cycle, overcome prior art when being combined into multiple assembled air-conditioner unit, need require the exploitation controller according to each client's difference, cause long problem of delivery cycle.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the air-conditioner controller schematic diagram according to an embodiment of the present utility model;
Fig. 2 shows the air-conditioner controller schematic diagram according to a preferred embodiment of the present utility model;
Fig. 3 shows the telecommunication circuit schematic diagram according to an embodiment of the present utility model;
Fig. 4 shows the control output circuit figure according to an embodiment of the present utility model;
Fig. 5 shows the switching mode electric control valve feedback sense circuit according to an embodiment of the present utility model;
Fig. 6 shows the control output circuit figure according to a preferred embodiment of the present utility model;
Fig. 7 shows the proportional-type electric control valve feedback sense circuit according to an embodiment of the present utility model.
The specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
Fig. 1 shows the air-conditioner controller schematic diagram according to an embodiment of the present utility model, comprising:
Be used for the control mode of selection function section, functional section load, load and the display board 20 that information shows and send control command;
Be used for gathering signal and carrying out the control module 10 that load is moved according to functional section, functional section load, control mode and control command;
Wherein, control module 10 is connected with display board 20 by communication bus 30.
The foregoing description is by adopting control module and display board, can select the control mode of functional section, functional section load, load by display board, thereby can be according to each client's different requirements, be combined into multiple assembled air-conditioner unit, and do not need to develop controller specially according to each client's demand, shortened the delivery cycle, overcome prior art when being combined into multiple assembled air-conditioner unit, need require the exploitation controller according to each client's difference, cause long problem of delivery cycle.
In addition, also there is maintenance cost problem of higher after sale in assembled air-conditioner in the prior art, and adopts the assembled air-conditioner maintenance cost after sale of the foregoing description of the present utility model lower.
Preferably, above-mentioned communication bus is the RS485 bus, and its antijamming capability is stronger, and cost is lower, is fit to present embodiment.
Fig. 2 shows the air-conditioner controller schematic diagram according to a preferred embodiment of the present utility model, in Fig. 2, control module comprises at least one control mainboard, wherein, when controlling mainboard more than one, be connected by communication bus between the control mainboard, the communication interface of display board can be connected on arbitrary control mainboard.
On display board, can pass through load, analog quantity and the switching value of menu selection function section, functional section, in addition, the sending of control command, fault and the demonstration of state and the realization of control function are all finished by display board, and the control mainboard is responsible for detecting input signal and is carried out the output loading action.
Preferably, above-mentioned communication bus is the RS485 bus, and its antijamming capability is stronger, and cost is lower, is fit to present embodiment.
In the above-described embodiments, the RS485 bus is connected with the demonstration mainboard with the control mainboard by telecommunication circuit.
Fig. 3 shows the telecommunication circuit schematic diagram according to an embodiment of the present utility model, and in Fig. 3, R24 is the terminal build-out resistor, will consider more for a long time to increase at the node number; Resistance R 50, the R51 that connects on A, the B line prevents that certain node short circuit from causing bus to work; Capacitor C 8 is the decoupling capacitor of communication chip+5V power supply; TVS diode D13, D21 are anti-lightning strike usefulness; Resistance R 60, R61 are the biasing resistor of A, B line, and its resistance is calculated according to concrete communication chip and node number.
Control function on the display board has been considered the combination of various situations, mainboard also provides the detection mode of multiple input signal and the control mode of polytype load, adopt RS485 bus communication exchange message between display board and the mainboard, a telecommunication circuit shown in Figure 2 is respectively arranged on display board and the mainboard, adopt the four-core twisted-pair feeder to connect between them.After microprocessor on the display board detects the configuration information of importing by button, (the RXD end on the telecommunication circuit is communication receiver from the UART mouth with this information, TXD is the communication transmitting terminal, DE_RE is the communication enabled control end, the control telecommunication circuit is operated in accepting state and still sends state) by appointment agreement is dealt on the RS485 bus by telecommunication circuit, mainboard is by the data on the telecommunication circuit reception RS485 bus, microprocessor on the mainboard reads data and protocol analysis data by appointment by the UART mouth, so just can realize information exchange.Before dispatching from the factory, according to client's demand, set function corresponding section, load, analog quantity and switching value and get final product on display board, this setting operation needs authentication, and domestic consumer can not be provided with, and has only the commissioning staff of producer just can be provided with.
Preferably, above-mentioned signal is an analog signal, and comfortableness is better in its control procedure, is fit to present embodiment.
Preferably, above-mentioned signal is a data signal, and its antijamming capability is stronger, is fit to present embodiment.
Preferably, above-mentioned load is to decide the frequency motor, and the control mainboard is carried out the switching mode control program of frequency motor surely.
Preferably, above-mentioned load is a variable-frequency motor, and the control mainboard is carried out the control program of variable-frequency motor, by exporting the frequency of continuous analog voltage signal control variable-frequency motor.
Preferably, above-mentioned load is the switching mode electric control valve, and for example switching mode Electric air valve, water valve, steam valve are controlled the control program that mainboard is carried out the switching mode electric control valve.
Simultaneously, above-mentioned load also can be the proportional-type electric control valve, for example proportional-type Electric air valve, water valve, steam valve are controlled the control program that mainboard is carried out the proportional-type electric control valve, by exporting the aperture of continuous analog voltage signal control ratio type electric control valve.
Preferably, above-mentioned control mode is a close-loop control mode, by contrasting with the state of being scheduled to, is adjusted to required set condition.
Fig. 4 shows the control output circuit figure according to an embodiment of the present utility model.For the electric control valve of switching mode, for example air-valve, water valve, steam valve after signal is opened in mainboard output, can judge also whether electric control valve has reached the position, can not do corresponding troubleshooting if reach the position.In Fig. 4, the I/O mouth of microprocessor can be controlled the signal of RLY4-OUT end after by driver, thereby but the switch of controller relay K 4, the control end of the electric control valve of RELAY4 termination switching mode just can be realized the start-stop control to it.
Fig. 5 shows the switching mode electric control valve feedback sense circuit according to an embodiment of the present utility model, as shown in Figure 5, X14 connects the feedback signal terminal of electric control valve, behind the light-coupled isolation testing circuit, the I/O mouth of microprocessor is just known electric control valve present located state by the signal that detects numeral input DIGITAL-INPUT0 end, by contrasting, till being adjusted to required set condition, just stop to regulate, thereby realize closed-loop control with the state of setting.Capacitor C 91 among Fig. 5 is a filter capacitor, prevents to damage optocoupler U28 from the interference that the X14 terminal is introduced.
Fig. 6 shows the control output circuit figure according to a preferred embodiment of the present utility model.Electric control valve for proportional-type, air-valve for example, water valve, steam valve, after mainboard is exported the signal of certain aperture, can judge also whether electric control valve has reached appointed positions, if the position is not in the error range that allows, then can do corresponding troubleshooting, as shown in Figure 6, the PWM output of simulation output control ANALOG-OUT1-CTRL termination microprocessor, the pwm signal of microprocessor output certain frequency, by changing the dutycycle of pwm signal, just can be in the analog signal of VALVE1 end output 0～10V, the control end of VALVE1 termination proportional-type motorized adjustment type just can be realized the control to its aperture size.
U4-B among Fig. 6, R26 and R27 form an in-phase proportion amplifier, and the signal of analog signal being exported the ANALOG-OUT1-CTRL end zooms into 0～10V; Diode D37 is a Zener diode, prevents that the voltage of VALVE1 end output from exceeding the control voltage range that electric control valve allows.
Fig. 7 shows the proportional-type electric control valve feedback sense circuit according to an embodiment of the present utility model, as shown in Figure 7, X77 connects the feedback signal terminal of electric control valve, behind dividing potential drop and sample circuit, the A/D mouth of microprocessor is just known proportional-type electric control valve present located position by the signal that detects the AD4 end, by contrasting with the aperture of setting, till being adjusted to required setting aperture, (in the error range that allows, get final product) and just stop adjusting, thus the realization closed-loop control.
R117 among Fig. 7, R118 form a bleeder circuit, and the voltage of X77 terminal input is reduced to 0～5V; C22, C23 are filter capacitor, and R16 and C87 form a wave filter, suppress the interference of introducing from the X77 terminal.
Difference according to the unit use occasion, some client needs unit to select operational mode automatically according to environment temperature and humidity, some client need select operational mode according to self needs oneself, on display board, can select manually and control automatically, can satisfy the demand of comfort type and constant temperature and humidity type assembled air-conditioner by menu.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. an air-conditioner controller is characterized in that, comprising:
Be used for the control mode of selection function section, functional section load, described load and the display board that information shows and send control command;
Be used for gathering signal and carrying out the control module that load is moved according to described functional section, described functional section load, described control mode and described control command;
Wherein, described control module is connected with described display board by communication bus.
2. air-conditioner controller according to claim 1 is characterized in that, described communication bus is the RS485 bus.
3. air-conditioner controller according to claim 1 is characterized in that, described control module comprises at least one control mainboard, wherein
When described control mainboard during, be connected by communication bus between the described control mainboard more than one.
4. air-conditioner controller according to claim 3 is characterized in that, described communication bus is the RS485 bus.
5. air-conditioner controller according to claim 1 is characterized in that described signal is an analog signal.
6. air-conditioner controller according to claim 1 is characterized in that described signal is a data signal.
7. air-conditioner controller according to claim 1 is characterized in that, described load is to decide the frequency motor.
8. air-conditioner controller according to claim 1 is characterized in that described load is a variable-frequency motor.
9. air-conditioner controller according to claim 1 is characterized in that, described load is switching mode electric control valve or proportional-type electric control valve.
10. air-conditioner controller according to claim 1 is characterized in that described control mode is a close-loop control mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200038696U CN201344606Y (en) | 2009-02-16 | 2009-02-16 | Air conditioning controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200038696U CN201344606Y (en) | 2009-02-16 | 2009-02-16 | Air conditioning controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201344606Y true CN201344606Y (en) | 2009-11-11 |
Family
ID=41276187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200038696U Expired - Lifetime CN201344606Y (en) | 2009-02-16 | 2009-02-16 | Air conditioning controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201344606Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371452A (en) * | 2015-11-13 | 2016-03-02 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and air conditioner |
| CN106225182A (en) * | 2016-09-13 | 2016-12-14 | 珠海格力电器股份有限公司 | A kind of general development approach, system and DDC controller |
-
2009
- 2009-02-16 CN CNU2009200038696U patent/CN201344606Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371452A (en) * | 2015-11-13 | 2016-03-02 | 珠海格力电器股份有限公司 | Indoor unit of air conditioner and air conditioner |
| CN105371452B (en) * | 2015-11-13 | 2019-08-06 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and air conditioner |
| CN106225182A (en) * | 2016-09-13 | 2016-12-14 | 珠海格力电器股份有限公司 | A kind of general development approach, system and DDC controller |
| CN106225182B (en) * | 2016-09-13 | 2019-01-15 | 珠海格力电器股份有限公司 | A kind of general development approach, system and DDC controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091111 |