CN112484243A - HVAC system and air volume adjusting method - Google Patents
HVAC system and air volume adjusting method Download PDFInfo
- Publication number
- CN112484243A CN112484243A CN202011370579.2A CN202011370579A CN112484243A CN 112484243 A CN112484243 A CN 112484243A CN 202011370579 A CN202011370579 A CN 202011370579A CN 112484243 A CN112484243 A CN 112484243A
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- CN
- China
- Prior art keywords
- hvac system
- air volume
- temperature control
- mode
- ecm motor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/523—Indication arrangements, e.g. displays for displaying temperature data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses an HVAC system and an air volume adjusting method, belongs to the technical field of heating and ventilation equipment, and aims to overcome the defect that the existing HVAC system is single in working mode and air volume adjustment. The temperature control auxiliary device comprises a temperature controller, an ECM motor and a temperature control auxiliary device, wherein the temperature control auxiliary device comprises a display unit, a signal output unit, a power supply and signal input unit, a programmable logic controller, an adjusting unit, a power switch and an indicating unit. According to the HVAC system and the air volume adjusting method provided by the invention, the operation parameters of the ECM motor can be adjusted through the temperature control auxiliary device, so that the HVAC system can have various different ECM motor operation parameters under the same working mode and air volume gear, stepless speed regulation can be realized, and the environment adaptability of the HVAC system is improved.
Description
Technical Field
The invention belongs to the technical field of heating and ventilation equipment, and relates to an HVAC system and an air volume adjusting method.
Background
The existing HVAC (heating, ventilating and air conditioning) system comprises a temperature controller and a motor, wherein the temperature controller is directly connected with the motor, the control mode is single, the rotating speed, the torque and the power under the corresponding air volume gear are specified when the HVAC system leaves a factory, and users with different environmental conditions and different control requirements are difficult to meet.
Disclosure of Invention
The invention provides an HVAC system and an air volume adjusting method aiming at the problems in the prior art and aims to overcome the defect that the existing HVAC system is single in working mode and air volume adjustment.
The invention is realized by the following steps:
an HVAC system comprising a thermostat and an ECM motor, wherein a temperature control assist is disposed between the thermostat and the ECM motor, the temperature control assist comprising:
the display unit is used for displaying the motor operation parameters;
the signal output unit is connected with the ECM motor and performs signal interaction with the ECM motor;
the power supply and signal input unit is connected with the temperature controller and performs signal interaction with the temperature controller, and the temperature controller provides power for the temperature control auxiliary device;
the programmable controller is used for storing control information and controlling the ECM motor to operate according to the stored working mode and the control information after reading the air volume gear of the temperature controller;
and the adjusting unit is used for adjusting the control information in the programmable controller.
The temperature control auxiliary device also comprises a power switch which is used for connecting or cutting off the power output of the temperature controller to the temperature control auxiliary device.
The temperature control aid further comprises an indicating unit for indicating whether the communication connection between the temperature control aid and the ECM motor is normal.
The adjusting unit comprises a setting key, an ascending key and a descending key.
The operating parameters include one or more of rotational speed, torque, power, and steering of the ECM motor.
An HVAC system and an air volume adjusting method are characterized by comprising the following steps:
inputting an air quantity gear to the temperature control auxiliary device through a temperature controller;
the temperature control auxiliary device is input into the ECM motor through the signal output unit according to the control information stored by the programmable controller;
the temperature control auxiliary device displays the operation parameters of the motor under the corresponding working mode and the wind gear through the display unit;
judging whether the current operation parameters meet the requirements of the user or not according to the displayed operation parameters;
if the operation parameters need to be updated, the operation parameters are adjusted through the adjusting unit to form new control information, and the programmable controller stores the new control information;
the temperature control auxiliary device sends new control information to the ECM motor through the signal output unit;
the ECM motor operates according to the new control information.
The working modes comprise a constant torque mode, a constant rotating speed mode, a constant power mode, a constant air volume mode and the like; the air quantity gear comprises a low-speed refrigeration mode, a high-speed refrigeration mode, a low-speed heating mode, a high-speed heating mode and an air blowing mode.
According to the HVAC system and the air volume adjusting method provided by the invention, the operation parameters of the ECM motor can be adjusted through the temperature control auxiliary device, so that the HVAC system can have various different ECM motor operation parameters under the same working mode and air volume gear, stepless speed regulation can be realized, and the environment adaptability of the HVAC system is improved.
Drawings
FIG. 1 is a schematic view of an HVAC system connection;
FIG. 2 is a schematic view of a temperature control assist;
fig. 3 is a flow chart of an air volume adjusting method.
Reference is made to the accompanying drawings in which: 1. a power switch; 2. an adjustment unit; 3. a display unit; 4. a signal output unit; 5. a power and signal input unit; 6. an ECM motor; 7. an indicating unit; 8. a temperature controller; 10. temperature control assistor.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings for the purpose of facilitating understanding and understanding of the technical solutions of the present invention. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The present embodiment provides an HVAC system and an air volume adjusting method, as shown in fig. 1-2, including a temperature Controller 8 (Thermostat) and an ECM Motor 6, where the ECM Motor 6 includes an ECM Controller (ECM Controller) and a Motor body (Motor), a temperature control auxiliary 10 (Thermostat) is disposed between the temperature Controller 8 and the ECM Motor 6, and the temperature control auxiliary 10 includes a display unit 3, a signal output unit 4, a power supply and signal input unit 5, a programmable Controller, an adjusting unit 2, a power switch 1, and an indicating unit 7.
The display unit 3 is used for displaying the motor operation parameters, the display unit is a nixie tube, the operation parameters include one or more of the rotating speed, the torque, the power and the steering of the ECM motor 6, and the operation parameters of the embodiment include the rotating speed and the steering in a constant rotating speed mode.
The signal output unit 4 is used for connecting with the ECM motor 6 and performing signal interaction with the ECM motor 6.
The power supply and signal input unit 5 is used for connecting with the temperature controller 8 and performing signal interaction with the temperature controller 8, and the temperature controller 8 provides a 24V power supply for the temperature control auxiliary device 10. The air volume gear output by the temperature controller 8 comprises a low-speed refrigeration mode (LC), a high-speed refrigeration mode (HC), a low-speed heating mode (LH), a high-speed heating mode (HH) and an air blowing mode (FO), the temperature control auxiliary device 10 can set the working mode, preset operation parameters are called according to the working mode to form corresponding control information, and the control information is input to the ECM motor 6 through communication.
The programmable controller is used for storing control information, and controlling the ECM motor 6 to operate according to the stored working mode and the corresponding control information after reading the air volume instruction of the temperature controller 8;
the adjusting unit 2 is used for adjusting control information in the programmable controller, and the adjusting unit 2 comprises a SET key (SET), an UP key (UP) and a down key (DN), and the corresponding keys are pressed to adjust the control information.
The power switch 1 is used for connecting or cutting off the power output of the temperature controller 8 to the temperature control auxiliary device 10.
The indicating unit 7 is used for indicating whether the communication connection between the temperature control assistor 10 and the ECM motor 6 is normal, and the indicating unit 7 includes a red indicating lamp and a green indicating lamp, and when the communication connection is normal, the green indicating lamp is on, and when the communication connection is abnormal, the red indicating lamp is on.
The ECM motor operation parameters can be adjusted under different air volume gears through the temperature control auxiliary device 10, the adjustment of different air volumes of the same air volume gear can be realized, and the environment adaptability of the HVAC system is improved.
Referring to fig. 3, the air volume adjusting method includes the steps of:
And 2, displaying the running parameters of the motor under the corresponding working mode by the temperature control auxiliary device 10 through the display unit 3, for example, when the working mode is a constant rotating speed mode, the rotating speed and the rotating direction of the current ECM motor. The ECM motor can be operated directly based on the current operating parameters, or the user can operate 1-3 seconds after the adjustment unit is not operated, or after the user settings are complete. In this embodiment, the working modes include a constant torque mode, a constant rotation speed mode, a constant power mode, and a constant air volume mode, and a user can select a corresponding working mode through the temperature control auxiliary device according to different habits of the user.
And 4, adjusting the operation parameters through the adjusting unit 2 to enable the programmable controller to store new control information. For example, the rotation speed needs to be adjusted, the setting key is continuously pressed twice to enter a setting state, then the ascending key or the descending key is pressed to adjust the rotation speed, the setting key is pressed for 1 second after the rotation speed is adjusted in place, the operation parameters stored in the programmable controller are updated, meanwhile, "Sr" 2 seconds are displayed in a display unit to indicate that the operation parameters are successfully stored, and if the operation parameters are not successfully stored, the display unit 3 displays "No" 2 seconds. For example, the steering needs to be adjusted, the setting key is pressed twice in succession to enter the setting state, the rising key and the falling key are pressed simultaneously to enter the steering adjustment mode, and the steering is adjusted by pressing the rising key twice.
And 5, after the setting is finished, displaying the Normal by the display unit 3, forming new control information based on the stored new operation parameters, sending the control information to the ECM motor by the temperature control auxiliary device 10 through the signal output unit 4, and operating the ECM motor according to the control information. In other alternative embodiments, the ECM motor may be operated according to real-time operating parameters during the adjustment process.
When the temperature control aid 10 is powered on but does not receive any air volume mode information, the display unit displays the CL and its rotational speed such that the ECM motor is in a low speed operating state, for example 300rpm, to provide quiet and slow air flow over the house. Of course, the mode can also be set to 0rpm to turn off the low speed cycle.
Claims (8)
1. An HVAC system comprising a thermostat and an ECM motor, wherein a temperature control assist is disposed between the thermostat and the ECM motor, the temperature control assist comprising:
the display unit is used for displaying the motor operation parameters;
the signal output unit is connected with the ECM motor and performs signal interaction with the ECM motor;
the power supply and signal input unit is connected with the temperature controller and performs signal interaction with the temperature controller, and the temperature controller provides power for the temperature control auxiliary device;
the programmable controller is used for storing control information and controlling the ECM motor to operate according to the stored working mode and the control information after reading the air volume gear of the temperature controller;
and the adjusting unit is used for adjusting the control information in the programmable controller.
2. The HVAC system of claim 1, wherein the temperature controlled auxiliary further comprises a power switch for switching on or off the power output of the thermostat to the temperature controlled auxiliary.
3. The HVAC system of claim 1, wherein the temperature control assist further comprises an indication unit for indicating whether the communication link between the temperature control assist and the ECM motor is normal.
4. The HVAC system of claim 1, wherein the adjustment unit comprises a set key, an up key, and a down key.
5. The HVAC system of claim 1, wherein the operating parameters include one or more of speed, torque, power, and steering of the ECM motor.
6. An HVAC system and an air volume adjusting method are characterized by comprising the following steps:
inputting an air quantity gear to the temperature control auxiliary device through a temperature controller;
the temperature control auxiliary device is input into the ECM motor through the signal output unit according to the control information stored by the programmable controller;
the temperature control auxiliary device displays the operation parameters of the motor under the corresponding working mode and the wind gear through the display unit;
judging whether the current operation parameters meet the requirements of the user or not according to the displayed operation parameters;
if the operation parameters need to be updated, the operation parameters are adjusted through the adjusting unit to form new control information, and the programmable controller stores the new control information;
the temperature control auxiliary device sends new control information to the ECM motor through the signal output unit;
the ECM motor operates according to the new control information.
7. The HVAC system and air volume conditioning method of claim 6, wherein the operational modes include a constant torque mode, a constant speed mode, a constant power mode, and a constant air volume mode.
8. The HVAC system and air volume adjusting method of claim 6, wherein the air volume gears comprise a low speed cooling mode, a high speed cooling mode, a low speed heating mode, a high speed heating mode, and a blowing mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370579.2A CN112484243A (en) | 2020-11-30 | 2020-11-30 | HVAC system and air volume adjusting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011370579.2A CN112484243A (en) | 2020-11-30 | 2020-11-30 | HVAC system and air volume adjusting method |
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| Publication Number | Publication Date |
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| CN112484243A true CN112484243A (en) | 2021-03-12 |
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| CN202011370579.2A Pending CN112484243A (en) | 2020-11-30 | 2020-11-30 | HVAC system and air volume adjusting method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806484A (en) * | 2010-04-06 | 2010-08-18 | 南京航空航天大学 | Variable air volume air-conditioner control system with variable frequency fan and digital air valve for adjusting tail end air volume and implementation method |
| CN105322843A (en) * | 2015-12-08 | 2016-02-10 | 卧龙电气集团股份有限公司 | Start-against-wind system for integrated variable-frequency motor and working method of start-against-wind system |
| CN105571051A (en) * | 2015-12-15 | 2016-05-11 | 大连理工大学 | Intelligent energy-saving temperature controller and use method thereof |
| CN106440276A (en) * | 2016-10-20 | 2017-02-22 | 厦门华联电子有限公司 | Multi-mode control device of air hose machine |
| KR20190098098A (en) * | 2019-04-02 | 2019-08-21 | 엘지전자 주식회사 | Air conditioner |
-
2020
- 2020-11-30 CN CN202011370579.2A patent/CN112484243A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806484A (en) * | 2010-04-06 | 2010-08-18 | 南京航空航天大学 | Variable air volume air-conditioner control system with variable frequency fan and digital air valve for adjusting tail end air volume and implementation method |
| CN105322843A (en) * | 2015-12-08 | 2016-02-10 | 卧龙电气集团股份有限公司 | Start-against-wind system for integrated variable-frequency motor and working method of start-against-wind system |
| CN105571051A (en) * | 2015-12-15 | 2016-05-11 | 大连理工大学 | Intelligent energy-saving temperature controller and use method thereof |
| CN106440276A (en) * | 2016-10-20 | 2017-02-22 | 厦门华联电子有限公司 | Multi-mode control device of air hose machine |
| KR20190098098A (en) * | 2019-04-02 | 2019-08-21 | 엘지전자 주식회사 | Air conditioner |
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