CN207262644U - Fan coil adaptive power conservation control device - Google Patents
Fan coil adaptive power conservation control device Download PDFInfo
- Publication number
- CN207262644U CN207262644U CN201720281819.9U CN201720281819U CN207262644U CN 207262644 U CN207262644 U CN 207262644U CN 201720281819 U CN201720281819 U CN 201720281819U CN 207262644 U CN207262644 U CN 207262644U
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- China
- Prior art keywords
- control circuit
- relay
- fan coil
- temperature sensor
- air
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Abstract
It the utility model is related to fan coil adaptive power conservation control device, including control circuit, operation panel, detection unit, air-blower control circuit and water valve control loop, the detection unit includes return air temperature sensor and wind pushing temperature sensor, the operation panel, return air temperature sensor and wind pushing temperature sensor are all connected with the input terminal of control circuit, air-blower control circuit and water valve control loop are all connected with the output terminal of control circuit, the control circuit passes through a CAN communication bus, or pass through a RS485 communication bus, or pass through TCP/IP network connections backstage center.The utility model carries out self-adaptive PID algorithm calculation process by the continuous collection to wind pushing temperature, return air temperature, automatic output control signal is to air-blower control circuit and water valve control loop, synergic adjustment wind turbine wind speed and floating-point valve opening, after automatic adjusument, indoor temperature stabilized speed is fast, and Oscillation Amplitude is small.
Description
Technical field
It the utility model is related to Heating,Ventilating and Air Conditioning automatic control technology field, more particularly to the control of fan coil adaptive power conservation
Device.
Background technology
With the continuous development of fan coil technology, the field of operation also becomes larger therewith, also more and more with quantity.Wind
For the energy consumption of whole air-conditioning system, there is certain influence for the utilization of machine coil pipe.Therefore fan coil can preferably be controlled
Operation also there is certain positive meaning for saving the energy.
Also only it is to wind using common electric two-way valve or solenoid valve for traditional fan coil water valve control technology
Machine coil pipe chilled water is controlled.System only detects the air themperature at return air inlet, and compared with setting value, reaches and work as room
When temperature is less than setting value, valve is closed, conversely, the control effect of valve opening.Traditional fan coil technology is only capable of controlling cold
Freeze the break-make of water, be unable to control the flow of chilled water, cause the system response cycle longer, have in temperature control larger stagnant
Property afterwards, temperature can not be precisely controlled, and easily caused indoor temperature and controlled mesh unstable, human comfort reduces.
Individually divide in addition, the controller of the central air conditioner system of current application is the control of water side and the control of wind side mostly
Open, can not accomplish both synergic adjustments, the problems such as control lag, not accurate easily occur.
In method for managing system, traditional central air conditioner system, relies primarily on manually, is lacking the feelings of effective way to manage
Indoor temperature, which is set, under condition unreasonable, indoor still keeps the situation of operation of air conditioner very common in the case of nobody.Due in
It is substantially independent operating to entreat air-conditioning system tail-end blower fan coil pipe so that coiler fan does not possess trip information real-time Transmission work(
Can, therefore causing system to lack corresponding effective information so that whole management system can only pass through simple start-up and shut-down control mode
To control the operation of fan coil, it is impossible to carry out effective intelligent management and control.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is to provide fan coil adaptive power conservation control device,
It realizes adaptive progress temperature correction, synergic adjustment chilled-water flow and wind turbine wind speed, the energy saving energy.
To achieve the above object, the utility model adopts the following technical solution：
Fan coil adaptive power conservation control device, applied to fan coil, including control circuit, operation panel, detection
Unit, air-blower control circuit and water valve control loop, the detection unit includes return air temperature sensor and wind pushing temperature senses
Device, the operation panel, return air temperature sensor and wind pushing temperature sensor are all connected with the input terminal of control circuit, air-blower control
Circuit and water valve control loop are all connected with the output terminal of control circuit, and the control circuit is by a CAN communication bus, or passes through
One RS485 communication bus, or pass through TCP/IP network connections backstage center.
Preferably, the wind pushing temperature sensor and return air temperature sensor are NTC10K type negative temperature coefficient thermistor powers
Hinder sensor.
Preferably, the air-blower control circuit is three fast wind turbines.
Preferably, the water valve control loop is tri-state floating-point valve.
Preferably, the control circuit includes voltage stabilizing chip, microcontroller and memory, and the input terminal connection of voltage stabilizing chip is outer
Portion's power supply, output terminal connect the feeder ear of microcontroller, memory connection microcontroller.
Preferably, the model AS1117-3.3 of the voltage stabilizing chip, the model STM32F051C4 of the microcontroller,
The model FM24C08 of the memory.
Preferably, the air-blower control circuit connects microcontroller with water valve control loop by a relay driver.
Preferably, the model ULN2003 of the relay driver.
Preferably, the air-blower control circuit includes three fast wind turbines, relay S1, relay S2 and relay S3, described
The output terminal of relay S1, relay S2 and relay S3 are connected with three fast wind turbines, relay S1, relay S2 and relay
The input terminal of S3 is all connected with relay driver.
Compared with prior art, the beneficial effects of the utility model are：
The utility model carries out self-adaptive PID algorithm calculation process by the continuous collection to wind pushing temperature, return air temperature,
To air-blower control circuit and water valve control loop, synergic adjustment wind turbine wind speed and floating-point valve opening, lead to automatic output control signal
After crossing automatic adjusument, indoor temperature stabilized speed is fast, and Oscillation Amplitude is small.
Brief description of the drawings
Fig. 1 is the function structure chart of the fan coil adaptive power conservation control device of the utility model；
Fig. 2 is the circuit structure diagram of the control circuit of the utility model；
Fig. 3 is the circuit structure diagram of the relay driver of the utility model；
Fig. 4 is the circuit structure diagram in the air-blower control circuit of the utility model；
Fig. 5 is the circuit structure diagram of the water valve control loop of the utility model；
Fig. 6 is the wind pushing temperature sensor, the circuit structure diagram of return air temperature sensor of the utility model.
Embodiment
In the following, with reference to attached drawing and embodiment, the utility model is described further：
As shown in Figure 1, the utility model provides fan coil adaptive power conservation control device, applied in air conditioning terminal
Fan coil, it is described mainly including control circuit, operation panel, detection unit, air-blower control circuit and water valve control loop
Detection unit includes return air temperature sensor and wind pushing temperature sensor, operation panel, return air temperature sensor and wind pushing temperature
Sensor is all connected with the input terminal of control circuit, and air-blower control circuit and water valve control loop are all connected with the output of control circuit
End, the control circuit is by a CAN communication bus, or by a RS485 communication bus, or passes through TCP/IP network connections
The parameters that the fan coil detected is run are uploaded to backstage, realize unified management and linkage by backstage center in real time
Control.Control circuit be used for according to the design temperature from operation panel, from return air temperature sensor send return air temperature,
The wind pushing temperature sent from wind pushing temperature sensor outputs control signals to air-blower control circuit and water valve control after being handled
Circuit processed, to adjust the opening and closing duration of the air output of fan coil and water valve.
Referring to Fig. 2, the control circuit of the utility model includes voltage stabilizing chip U4, microcontroller U1 and memory U3, voltage stabilizing core
The input terminal connection external power supply of piece U3, the feeder ear of output terminal connection microcontroller U1, memory U3 connection microcontrollers.External electrical
Source is AC12V, is powered by producing 5V voltages after rectifier bridge, buck regulator to peripheral chip, voltage stabilizing chip U4 is monolithic
Machine U1 provides the power supply of 3.3V.Memory U3 uses high reliability memory, for data record, can be used in the utility model
The memory of model FM24C08, erasable number more than 1,000,000 times, data preserve 100 years.The model of microcontroller is preferably
STM32F051C4, the model of voltage stabilizing chip is preferably AS1117-3.3.
There is CPU, program data memory, Timer/Counter, UART serial ports, I/O interfaces, high speed inside microcontroller U1
The module such as R/C pierce circuits in A/D conversions, SPI interface, PCA, house dog and piece, has high speed, low-power consumption, superpower anti-does
The features such as immunity, 12 A/D are changed at a high speed on 13 tunnels, 2 tunnel independence serial ports, 1 road I2C, are widely used in the motor of strong jamming occasion
Control.
Air-blower control circuit is preferably three fast wind turbines, and water valve control loop is preferably tri-state floating-point valve.Further, wind turbine
Control loop connects microcontroller with water valve control loop by a relay driver.It is illustrated in figure 3 relay driver
Circuit structure diagram, it selects model ULN2003.With reference to Fig. 4 and Fig. 5, air-blower control circuit includes three fast wind turbines, relay
S1, relay S2 and the output terminal of relay S3, the relay S1, relay S2 and relay S3 connect with three fast wind turbines
Connect, the input terminal of relay S1, relay S2 and relay S3 are all connected with relay driver.Three road DO interfaces drive with relay
Dynamic device connection, drives the high air quantity of fan coil, output control voltage letter when microcontroller output control voltage signal is to relay S1
Air quantity in fan coil is driven when number giving relay S2, fan coil low wind is driven when output control voltage signal is to relay S3
Amount.
The tri-state floating-point valve of water valve control circuit is connected to relay driver by two relays, when controller exports
When control voltage signal is to relay S4, water valve is powered and slowly opens, when controller output control voltage signal gives relay S5
When, water valve slowly closing.The electronic feedback water valve state in place of U5 optocouplers and each resistance composition, microcontroller is connected to by AI3
U1.Due to the control signal of microcontroller have the characteristics that in real time it is sensitive, the opening and closing of floating-point valve slowly carry out.Standard-sized sheet
With the fully closed time about at 45 seconds or so.The microcontroller of the present embodiment exports tri-state after fuzzy PID algorithm calculation process
The actuation time ratio of floating-point valve, tri-state floating-point valve are accordingly controlled to adjust, and are avoided as traditional water valve open and close two states
Adjust so that the situation that controlled room temperature field changes greatly.
Operation panel is used to set into trip temperature to user.The circuit of wind pushing temperature sensor and return air temperature sensor is former
Reason refers to figure 6, and resistance Rd1 and Rd2 are the pull-up supplying resistance of two-way NTC thermistor, and Cd1 and Cd2 are filter capacitor, AI1
The AI interfaces of microcontroller are connected with AI2, this circuit has the characteristics that high-precision and anti-interference strong.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection of the utility model claims
Within the scope of.
Claims (9)
1. fan coil adaptive power conservation control device, applied to fan coil, it is characterised in that including control circuit, operation
Panel, detection unit, air-blower control circuit and water valve control loop, the detection unit include return air temperature sensor and air-supply
Temperature sensor, the operation panel, return air temperature sensor and wind pushing temperature sensor are all connected with the input terminal of control circuit,
Air-blower control circuit and water valve control loop are all connected with the output terminal of control circuit, control circuit connection backstage center.
2. fan coil adaptive power conservation control device as claimed in claim 1, it is characterised in that the wind pushing temperature sensing
Device and return air temperature sensor are NTC10K type negative tempperature coefficient thermistor sensors.
3. fan coil adaptive power conservation control device as claimed in claim 1, it is characterised in that the air-blower control circuit
For three fast wind turbines.
4. fan coil adaptive power conservation control device as claimed in claim 1, it is characterised in that the water valve control loop
For tri-state floating-point valve.
5. fan coil adaptive power conservation control device as claimed in claim 1, it is characterised in that the control circuit includes
Voltage stabilizing chip, microcontroller and memory, the input terminal connection external power supply of voltage stabilizing chip, output terminal connect the power supply of microcontroller
End, memory connection microcontroller.
6. fan coil adaptive power conservation control device as claimed in claim 5, it is characterised in that the type of the voltage stabilizing chip
Number it is AS1117-3.3, the model STM32F051C4 of the microcontroller, the model FM24C08 of the memory.
7. fan coil adaptive power conservation control device as claimed in claim 6, it is characterised in that the air-blower control circuit
Microcontroller is connected by a relay driver with water valve control loop.
8. fan coil adaptive power conservation control device as claimed in claim 7, it is characterised in that the relay driver
Model ULN2003.
9. fan coil adaptive power conservation control device as claimed in claim 8, it is characterised in that the air-blower control circuit
It is defeated including three fast wind turbines, relay S1, relay S2 and relay S3, the relay S1, relay S2 and relay S3
Outlet is connected with three fast wind turbines, and the input terminal of relay S1, relay S2 and relay S3 are all connected with relay driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281819.9U CN207262644U (en) | 2017-03-21 | 2017-03-21 | Fan coil adaptive power conservation control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720281819.9U CN207262644U (en) | 2017-03-21 | 2017-03-21 | Fan coil adaptive power conservation control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207262644U true CN207262644U (en) | 2018-04-20 |
Family
ID=61914354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720281819.9U Expired - Fee Related CN207262644U (en) | 2017-03-21 | 2017-03-21 | Fan coil adaptive power conservation control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207262644U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679801A (en) * | 2018-06-12 | 2018-10-19 | 广州市天园科技有限公司 | Fan coil adaptive power conservation control valve |
| CN112682917A (en) * | 2020-12-30 | 2021-04-20 | 卢锦溪 | Central air conditioning temperature control system |
-
2017
- 2017-03-21 CN CN201720281819.9U patent/CN207262644U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108679801A (en) * | 2018-06-12 | 2018-10-19 | 广州市天园科技有限公司 | Fan coil adaptive power conservation control valve |
| CN112682917A (en) * | 2020-12-30 | 2021-04-20 | 卢锦溪 | Central air conditioning temperature control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180420 Termination date: 20210321 |