CN2338667Y - Stepless, wind variable and air conditionting type temp. controller - Google Patents
Stepless, wind variable and air conditionting type temp. controller Download PDFInfo
- Publication number
- CN2338667Y CN2338667Y CN 98230019 CN98230019U CN2338667Y CN 2338667 Y CN2338667 Y CN 2338667Y CN 98230019 CN98230019 CN 98230019 CN 98230019 U CN98230019 U CN 98230019U CN 2338667 Y CN2338667 Y CN 2338667Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- temperature
- stepless
- output
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The utility model relates to a stepless, wind variable and air conditioning type temperature controller which is characterized in that the stepless, wind variable and air conditioning type temperature controller is composed of a main loop voltage regulating circuit and a control circuit, wherein, a main loop is supplied by a single-phase source and is output by the bidirectional thyristor to be used as a power supply of an air conditioner motor. In a control loop, the comparison of a feedback signal of a temperature sensor and a setting temperature signal is used, a phase shifting pulse triggering signal generated by the proportion operation and amplification of the deviation value of the feedback signal of the temperature sensor and the setting temperature signal is added to a control electrode of the bidirectional thyristor connected in the main circuit in series, so the angle of the current flow of the thyristor and the input voltage of an electrical machine of a fan are changed, and the stepless speed regulation and the wind regulation of the electrical machine are realized. The utility model is suitable for central air conditionings and domestic conditioning systems.
Description
Now, in the air-conditioning system, generally adopt grade to become the wind temperature controller at home, its principle is to utilize the connection that changes the single-phase asynchronous motor winding, and grade is regulated rotating speed of motor, fan coil is carried out variable air rate regulate.Only have cold by force, suitable cold, weak cold.The rotational speed regulation scope is about about 30～40%, the temperature control ability, and precision is low, and indoor temperature change generated in case is big, and the people is not felt well.
The stepless change wind air-conditioning temperature controller that the utility model is studied, its major technique feature is made up of major loop regulating circuit and control circuit two parts.Major loop is powered by single phase poaer supply, through the power supply of bidirectional triode thyristor output as air conditioner motor.In the control loop, utilize the feedback signal of temperature sensor to compare with the temperature signal of setting, the phase-shift pulse triggering signal that both differences produce after scale operation amplifies is added in the control utmost point of the bidirectional triode thyristor that is connected on main circuit, thereby change the input voltage of the silicon controlled angle of flow and blower motor, realize the stepless speed regulation of motor and transfer wind.Voltage and the rotating speed of constantly regulating blower motor automatically are reduced in the temperature control precision scope difference of two temperature signals, reach temperature automatically controlled purpose.The speed adjustable range of air conditioner motor can reach 80%.The temperature control ability is strong, the precision height; It is soft to blow, low noise, and comfort is good; Energy-saving effect is remarkable.Be applicable to the central air conditioning domestic air-conditioning system.
The stepless change wind air-conditioning temperature controller that the utility model is studied, its control circuit has analog control circuit and two kinds of forms of digital control circuit.
Analog control circuit is made up of temperature sensor, temperature sampling circuit, the given potentiometer of temperature, proportional controller and amplifying circuit.Regulating circuit is made up of dual timer and bidirectional triode thyristor.The full-wave rectification mu balanced circuit provides dc source for dual timer and control circuit.Control circuit forms control voltage with the difference of the temperature sensor voltage of given temperature voltage and actual measurement through proportional controller, sends into the control pin of the dual timer in the regulating circuit after amplifying through amplifier.Twoly decide device and when voltage over zero, trigger, and it is certain and phase place is with the size of control voltage that mobile rectangular pulse removes to trigger bidirectional triode thyristor with this pulse to export a pulsewidth, thereby reach the purpose of adjusting air conditioner motor input voltage to regulate its output voltage.To realize the smooth stepless speed-regulating of this motor, keep the purpose of room temperature for setting value.
Digital control circuit is made up of temperature sensor, temperature sampling circuit, A/D conversion, temperature setting circuit, digital computing circuit etc.Regulating circuit is made up of phase-shift pulse circuits for triggering and bidirectional triode thyristor.The full-wave rectification mu balanced circuit provides dc source for control circuit.Control circuit forms control voltage value amount with the difference of the temperature sensor voltage digital amount of the digital quantity of given temperature voltage and actual measurement through the digital proportional adjuster, and export the certain and phase place of a pulsewidth with the size of control voltage value amount mobile rectangular pulse, remove to trigger bidirectional triode thyristor with this pulse through photoelectrical coupler, thereby regulate the air conditioner motor input voltage to regulate its output voltage, to realize the smooth stepless speed-regulating of this motor, keep the purpose of room temperature for setting value.
Accompanying drawing one explanation:
Accompanying drawing one is the structured flowchart of analog stepless change wind air-conditioning temperature controller.Full-wave rectification mu balanced circuit (1) provides dc source for plesichronous circuit (2) and control circuit (3).Control circuit produces voltage control signal with the pi regulator in the difference via controller of the voltage of control point adjustment (6) and temperature sampling device (7).This signal is added on the dual timer (2).Trigger and controlled Control of Voltage when the supply voltage zero passage, output pulse width is certain, the pulse signal that phase place is adjustable.This signal triggers bidirectional triode thyristor (5) conducting through photoelectrical coupler (4), regulates the input voltage of air conditioner motor (M).To realize the smooth stepless speed-regulating of this motor.
Accompanying drawing two explanations:
Accompanying drawing two is structured flowcharts of digital stepless change wind air-conditioning temperature controller.Full-wave rectification mu balanced circuit (1) provides dc source for digital control circuit (3).Control circuit produces the Control of Voltage data signal with the numerical value pi regulator in the difference via controller of the voltage digital amount of temperature setting circuit (6) and temperature sampling device (7).When the supply voltage zero passage, trigger and controlled Control of Voltage, certain from the control circuit output pulse width, the pulse signal that phase place is adjustable.This signal triggers bidirectional triode thyristor (5) conducting through photoelectrical coupler (4), regulates the input voltage of air conditioner motor (M).To realize the smooth stepless speed-regulating of this motor.
Embodiment:
Accompanying drawing three is circuit diagrams of analog stepless change wind air-conditioning temperature controller.Regulator rectifier circuit is by B, D1, D2, R1, and three terminal regulator 7805 constitute, the effect of D3 is the control that prevents the voltage influence zero crossing synchronizing signal of flat wave capacitor.The feedback voltage signal of temperature sensor and the temperature that is provided by the given potentiometer RW of temperature are received the reverse input end of the proportional controller of being made up of operational amplifier 2 simultaneously to determining voltage signal, both differences form control voltage through proportional controller, and this voltage is received the reverse input end of amplifier 3,4 by the output of amplifier 2.The output of amplifier 3,4 is switched by K2, receives the control end of dual timer LM556, and amplifier 4 is as reverser, and fan delivery is regulated the different requirements of direction when freezing with heat supply with realization.The output of LM556 is received the control utmost point of bidirectional triode thyristor through photoelectricity coupling device.When control voltage changes, can make the scope smooth adjustment of the voltage of blower motor at (20-95) % in (4.5-1.0) V scope.
Claims (1)
1. stepless friendship wind air-conditioning temperature controller, its major technique feature is by major loop, regulating circuit and control circuit are formed, major loop is powered by single phase poaer supply, through the power supply of bidirectional triode thyristor output as air conditioner motor, the negative electrode of an output termination bidirectional triode thyristor of single phase poaer supply, the anode of bidirectional triode thyristor connects an input of motor, another output of another input termination power of motor, control circuit is by temperature sensor, temperature sampling circuit, the A/D conversion, temperature setting circuit, compositions such as digital computing circuit, the input of the output jointing temp sample circuit of temperature sensor, the input of the output termination A/D change-over circuit of temperature sampling circuit, an input of the digital computing circuit of output termination of A/D change-over circuit, another input of the digital computing circuit of output termination of temperature setting circuit, regulating circuit is made of the phase-shift pulse circuits for triggering, its output termination bidirectional triode thyristor control utmost point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98230019 CN2338667Y (en) | 1998-01-09 | 1998-01-09 | Stepless, wind variable and air conditionting type temp. controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98230019 CN2338667Y (en) | 1998-01-09 | 1998-01-09 | Stepless, wind variable and air conditionting type temp. controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2338667Y true CN2338667Y (en) | 1999-09-15 |
Family
ID=33979788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98230019 Expired - Fee Related CN2338667Y (en) | 1998-01-09 | 1998-01-09 | Stepless, wind variable and air conditionting type temp. controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2338667Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818541A (en) * | 2014-01-15 | 2014-05-28 | 丹华奥斯科船舶设备（上海）有限公司 | Temperature control system and temperature control method for high-precision electric-heating air distributers of marine air conditioners |
| CN106931606A (en) * | 2017-04-07 | 2017-07-07 | 深圳邦德瑞科技有限公司 | Temperature controller |
-
1998
- 1998-01-09 CN CN 98230019 patent/CN2338667Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818541A (en) * | 2014-01-15 | 2014-05-28 | 丹华奥斯科船舶设备（上海）有限公司 | Temperature control system and temperature control method for high-precision electric-heating air distributers of marine air conditioners |
| CN103818541B (en) * | 2014-01-15 | 2016-03-30 | 丹华海洋工程装备(上海)有限公司 | A kind of high precision marine air conditioning electro heat ventilation terminal temperature control system and Temp. control method |
| CN106931606A (en) * | 2017-04-07 | 2017-07-07 | 深圳邦德瑞科技有限公司 | Temperature controller |
| CN106931606B (en) * | 2017-04-07 | 2022-05-13 | 深圳邦德瑞科技有限公司 | Temperature controller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103196214B (en) | Method for controlling indoor machine of air conditioner and indoor machine of air conditioner | |
| CN101070989B (en) | Air conditioner control system | |
| CN205481582U (en) | Constant -temperature -and -humidity air conditioning unit energy -saving control system based on many parameter variable adjustment | |
| CN201715663U (en) | Household variable air volume central air-conditioner with static-pressure air supply control unit | |
| CN106403208A (en) | Draught fan coil pipe temperature control device controlled based on supply air temperature | |
| CN2338667Y (en) | Stepless, wind variable and air conditionting type temp. controller | |
| CN110337224A (en) | Using the airtight cabinet self-regulation semiconductor dehumidifying device of PWM technology | |
| CN2256515Y (en) | Furry controller for fan-coil air conditioner | |
| CN2155519Y (en) | Energy-saving air conditioner | |
| CN107588514A (en) | A kind of air-conditioning humiture decoupled system and its control method | |
| CN1189709C (en) | Controller of gas heat pump hot and cold water supply system | |
| CN103968510A (en) | Independently adjustable air conditioner system capable of cooling and dehumidifying | |
| CN203442988U (en) | Air regulation device of central air conditioner | |
| CN107631437A (en) | A kind of fan coil control on demand system and its control method | |
| CN102679504A (en) | Energy-saving coiled tube fan control method capable of improving comfort degree of environment | |
| CN209180092U (en) | A kind of temperature control adjusts the automatic control circuit of rotation speed of the fan | |
| CN100466457C (en) | Single-phase asynchronous motor voltage-regulating and speed-regulating controller and air conditioner using same | |
| CN201063582Y (en) | Electricity-saving equipment | |
| CN203189299U (en) | Frequency-conversion stepless speed-regulation energy-saving system of air conditioning fan | |
| CN205747333U (en) | A kind of adaptive air quantity variable air conditioner wind pushing temperature controller | |
| CN2138765Y (en) | Three speed wind blower coil tube temperature controller | |
| CN100549895C (en) | Intelligent energy-saving device | |
| CN2270191Y (en) | Temp controller for use in central air-conditioner chamber | |
| CN2137298Y (en) | Centrifugal ventilator | |
| CN213514254U (en) | Fresh air exhaust purification air conditioning system with lower air supply and upper middle return air |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |