CN112728808A - Noise and vibration control system for air source heat pump host - Google Patents
Noise and vibration control system for air source heat pump host Download PDFInfo
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- CN112728808A CN112728808A CN202011617767.0A CN202011617767A CN112728808A CN 112728808 A CN112728808 A CN 112728808A CN 202011617767 A CN202011617767 A CN 202011617767A CN 112728808 A CN112728808 A CN 112728808A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/12—Sound
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/13—Vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/11—Fan speed control
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides a noise and vibration control system for an air source heat pump host, and relates to the technical field of air source heat pump control. The control system includes: a plurality of noise sensors, a plurality of vibration sensors; the microcontroller is used for pre-storing the noise parameter value and the vibration parameter value, comparing the noise parameter value with a real-time detection noise value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the noise value to reach the noise parameter value; and comparing the vibration parameter value with the real-time detection vibration value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the vibration value to reach the vibration parameter value. The microcontroller regulates and controls the heat pump host to the working node with low noise and vibration in time, the plurality of sensors are matched with the microcontroller to improve the detection accuracy and the regulation and control accuracy, and the control system not only facilitates the autonomous reaction regulation and control after the heat pump host is started every time, but also improves the use satisfaction degree of users.
Description
Technical Field
The invention relates to the technical field of air source heat pump control, in particular to a noise and vibration control system for an air source heat pump main machine.
Background
Air source heat pumps are often used in the fields of floor heating, air conditioning, water heaters, and the like. The heat pump system generally comprises an outdoor heat pump main machine and an indoor end device; in the existing heat pump system, an outdoor heat pump host and an indoor terminal device are respectively provided with a controller, and the operation of the whole heat pump system is realized by accurately connecting control circuits of the two parts on an engineering installation site. At present, the air source heat pump host machine does not adopt a corresponding control system to regulate and control the working frequency of the compression host machine and the rotating speed of a fan, and cannot regulate and control noise and vibration in time so as to achieve the working state of vibration and noise reduction, thereby reducing the satisfaction degree of users.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a noise and vibration control system for an air source heat pump main machine.
The invention solves the technical problems through the following technical means:
noise, vibration control system for air source heat pump host computer is equipped with compressor and fan in the air source heat pump host computer, and this control system includes:
the noise sensors are arranged on the periphery inside the air source heat pump host and used for detecting noise values in real time, converting the noise values into noise value signals and sending the noise value signals to the microcontroller;
the vibration sensors are arranged on the periphery inside the air source heat pump host and used for detecting vibration values in real time, converting the vibration values into vibration value signals and sending the vibration value signals to the microcontroller;
the microcontroller is used for pre-storing the noise parameter value and the vibration parameter value, comparing the noise parameter value with a real-time detection noise value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the noise value to reach the noise parameter value; and comparing the vibration parameter value with the real-time detection vibration value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the vibration value to reach the vibration parameter value.
As a further scheme of the invention, the working process that the microcontroller compares the noise parameter value with the real-time detection noise value and adjusts the working frequency of the compressor and the rotating speed of the fan is as follows: when the average value of a plurality of real-time detection noise values or the range in which any one or more values are larger than the noise parameter value is within 5%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection noise values or the values are smaller than the noise parameter value, the compressor working frequency and the fan rotating speed with large noise values are avoided, the adjusted compressor working frequency and the adjusted fan rotating speed are recorded, and the recorded values are stored as memory control points.
As a further aspect of the present invention, the process of comparing the noise parameter value with the real-time detected noise value by the microcontroller further comprises: when the average value of a plurality of real-time detection noise values or the range of any one or more values of the real-time detection noise values larger than the noise parameter value exceeds 5%, feeding back a signal to the noise sensor for re-detection.
As a further scheme of the invention, the detection is carried out again for 3-5 times, and the interval time of each time is 10-20 seconds.
As a further scheme of the invention, the working process that the microcontroller compares the vibration parameter value with the real-time detection vibration value and adjusts the working frequency of the compressor and the rotating speed of the fan is as follows: when the average value of the real-time detection vibration values or the range in which any one or more values are larger than the vibration parameter value is within 3%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection vibration values or the values are smaller than the vibration parameter value, the working frequency of the compressor with the large vibration value and the fan rotating speed are avoided, the adjusted working frequency of the compressor and the adjusted fan rotating speed are recorded, and the recorded working frequency and the adjusted fan rotating speed are stored as a memory control point.
As a further aspect of the present invention, the process of comparing the vibration parameter value with the real-time detected vibration value by the microcontroller further comprises: when the average value of a plurality of real-time detection vibration values or the range of any one or more values of the real-time detection vibration values is larger than the vibration parameter value by more than 3 percent, feeding back a signal to the vibration sensor for detection again.
As a further scheme of the invention, the detection is carried out again for 3-5 times, and the interval time of each time is 6-10 seconds.
The invention has the beneficial effects that:
the noise and vibration control system for the air source heat pump host machine is characterized in that a plurality of noise sensors and vibration sensors are arranged on the periphery in the air source heat pump host machine, the working frequency and the fan rotating speed of a compressor are adjusted by the microcontroller through comparing the pre-stored noise parameter values and vibration parameter values with the noise values and the vibration values detected in real time, so that the microcontroller timely regulates and controls the heat pump host machine to working nodes with low noise and low vibration, the detection accuracy and the regulation accuracy are improved by matching the plurality of sensors with the microcontroller, and the control system not only facilitates the autonomous reaction regulation and control of the heat pump host machine after each startup, but also improves the use satisfaction degree of users.
Drawings
Fig. 1 is a structural view of a noise and vibration control system for an air source heat pump main unit according to the present invention.
Fig. 2 is a control block diagram of the noise and vibration control system for the air source heat pump main machine according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Examples
As shown in fig. 1-2, the noise and vibration control system for an air source heat pump host of the present embodiment is a system in which a compressor and a fan are disposed, and the control system includes:
the noise sensors are arranged on the periphery inside the air source heat pump host and used for detecting noise values in real time, converting the noise values into noise value signals and sending the noise value signals to the microcontroller;
the vibration sensors are arranged on the periphery inside the air source heat pump host and used for detecting vibration values in real time, converting the vibration values into vibration value signals and sending the vibration value signals to the microcontroller;
the microcontroller is used for pre-storing the noise parameter value and the vibration parameter value, comparing the noise parameter value with a real-time detection noise value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the noise value to reach the noise parameter value; and comparing the vibration parameter value with the real-time detection vibration value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the vibration value to reach the vibration parameter value. Wherein, the microcontroller is preferably an MCU (microprogrammed control Unit).
The air source heat pump is noise for the host computer of this embodiment, vibration control system, through set up a plurality of noise sensor and vibration sensor around the inside at air source heat pump host computer, microcontroller is through the noise parameter value with prestore, vibration parameter value and real-time detection's noise value, the vibration value carries out the frequency of operation and the fan rotational speed that compare and adjust the compressor, make microcontroller in time regulate and control the heat pump host computer to the noise little, the little work node of vibration, a plurality of sensor cooperation microcontroller have improved the accuracy of detection and the accuracy nature of regulation and control, this control system not only is convenient for the heat pump host computer independently react the regulation and control after starting at every turn, user's use satisfaction has also been improved.
The microcontroller compares the noise parameter value with the real-time detection noise value, and the working process of adjusting the working frequency of the compressor and the rotating speed of the fan is as follows: when the average value of a plurality of real-time detection noise values or the range in which any one or more values are larger than the noise parameter value is within 5%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection noise values or the values are smaller than the noise parameter value, the compressor working frequency and the fan rotating speed with large noise values are avoided, the adjusted compressor working frequency and the adjusted fan rotating speed are recorded, and the recorded values are stored as memory control points.
For example, a noise parameter value is set to be Z1, a noise value detected in real time is Z2... Z7, when the average value of Z2... Z7 or the range in which any one or more values are larger than Z1 is within 5%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed working instruction, and continuously and repeatedly adjusts the average value of Z2... Z7 or four or more values of the average value are smaller than Z1, so that a working point with high noise is avoided, the working frequency of the compressor and the fan rotating speed are recorded and stored as a memory control point, the quick response adjustment after the next startup is facilitated, the effect of reducing the noise is achieved, and the user experience is improved.
The process of the microcontroller comparing the noise parameter value with the real-time detected noise value further comprises: when the average value of a plurality of real-time detection noise values or the range of any one or more values of the real-time detection noise values larger than the noise parameter value exceeds 5%, feeding back a signal to the noise sensor for re-detection, wherein the detection times are 3-5 times, and the interval time is 10-20 seconds each time. The comparison process avoids the problem that the microcontroller is complicated to control and consumes power due to overlarge noise value caused by emergency, and further improves the accuracy of regulating and controlling the working frequency of the compressor and the rotating speed of the fan by the microcontroller so as to reduce noise.
The microcontroller compares the vibration parameter value with the real-time detection vibration value, and the working process of adjusting the working frequency of the compressor and the rotating speed of the fan is as follows: when the average value of the real-time detection vibration values or the range in which any one or more values are larger than the vibration parameter value is within 3%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection vibration values or the values are smaller than the vibration parameter value, the working frequency of the compressor with the large vibration value and the fan rotating speed are avoided, the adjusted working frequency of the compressor and the adjusted fan rotating speed are recorded, and the recorded working frequency and the adjusted fan rotating speed are stored as a memory control point.
For example, setting a vibration parameter value to be D1, setting a vibration value detected in real time to be D2... D7, when the average value of D2... D7 or any one or more values thereof is greater than D1, sending a compressor working frequency adjustment instruction and a fan rotating speed working instruction by the microcontroller, and continuously and repeatedly adjusting to enable the average value of D2... D7 or four or more values thereof to be smaller than D1, finally avoiding a working point with large vibration, recording the working frequency of the compressor and the fan rotating speed at this time, and storing the working frequency and the fan rotating speed as a memory control point, so that the quick response adjustment after the next startup is facilitated, the vibration reduction effect is achieved, and the user experience is improved.
The process of the microcontroller comparing the vibration parameter value with the real-time detected vibration value further comprises: when the average value of a plurality of real-time detection vibration values or the range of any one or more values of the plurality of real-time detection vibration values larger than the vibration parameter value exceeds 3%, feeding back a signal to the vibration sensor for re-detection, wherein the detection times are 3-5 times, and the interval time is 6-10 seconds each time. The comparison process avoids the problem that the microcontroller is complicated to control and consumes power due to overlarge vibration value caused by emergency, and further improves the accuracy of regulating and controlling the working frequency of the compressor and the rotating speed of the fan by the microcontroller to reduce vibration.
As shown in fig. 1-2, the working method of the noise and vibration control system for the air source heat pump main machine of the present embodiment is as follows:
s1, detecting noise values in real time by a plurality of noise sensors, converting the noise values into noise value signals and sending the noise value signals to the microcontroller; the vibration sensors detect vibration values in real time, convert the vibration values into vibration value signals and send the vibration value signals to the microcontroller;
s2, when the average value of the real-time detection noise values or the range of any one or more values of the real-time detection noise values larger than the noise parameter value is within 5%, the microcontroller sends out a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection noise values or the values of the real-time detection noise values are smaller than the noise parameter value, the compressor working frequency and the fan rotating speed with large noise values are avoided, the adjusted compressor working frequency and the adjusted fan rotating speed are recorded, and the recorded values are stored as memory control points; when the average value of a plurality of real-time detection noise values or the range of any one or more values of the real-time detection noise values larger than the noise parameter value exceeds 5%, feeding back a signal to the noise sensor for re-detection;
s3, when the average value of the real-time detection vibration values or the range of any one or more values of the real-time detection vibration values larger than the vibration parameter value is within 3%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction to enable the real-time detection vibration values or the values of the real-time detection vibration values smaller than the vibration parameter value to avoid the compressor working frequency and the fan rotating speed with large vibration values, records the adjusted compressor working frequency and fan rotating speed, and stores the recorded values as a memory control point; when the average value of a plurality of real-time detection vibration values or the range of any one or more values of the real-time detection vibration values is larger than the vibration parameter value by more than 3 percent, feeding back a signal to the vibration sensor for detection again.
It is noted that, in this document, relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. Noise, vibration control system for air source heat pump host computer is equipped with compressor and fan in the air source heat pump host computer, its characterized in that, this control system includes:
the noise sensors are arranged on the periphery inside the air source heat pump host and used for detecting noise values in real time, converting the noise values into noise value signals and sending the noise value signals to the microcontroller;
the vibration sensors are arranged on the periphery inside the air source heat pump host and used for detecting vibration values in real time, converting the vibration values into vibration value signals and sending the vibration value signals to the microcontroller;
the microcontroller is used for pre-storing the noise parameter value and the vibration parameter value, comparing the noise parameter value with a real-time detection noise value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the noise value to reach the noise parameter value; and comparing the vibration parameter value with the real-time detection vibration value, and adjusting the working frequency of the compressor and the rotating speed of the fan to enable the vibration value to reach the vibration parameter value.
2. The noise and vibration control system for the air source heat pump host machine as claimed in claim 1, wherein the microcontroller compares the noise parameter value with the real-time noise value, and the working process of adjusting the working frequency of the compressor and the rotating speed of the fan is as follows: when the average value of a plurality of real-time detection noise values or the range in which any one or more values are larger than the noise parameter value is within 5%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection noise values or the values are smaller than the noise parameter value, the compressor working frequency and the fan rotating speed with large noise values are avoided, the adjusted compressor working frequency and the adjusted fan rotating speed are recorded, and the recorded values are stored as memory control points.
3. A noise and vibration control system for an air-source heat pump host as recited in claim 2, wherein the process of the microcontroller comparing the noise parameter value to the real-time detected noise value further comprises: when the average value of a plurality of real-time detection noise values or the range of any one or more values of the real-time detection noise values larger than the noise parameter value exceeds 5%, feeding back a signal to the noise sensor for re-detection.
4. The noise and vibration control system for an air-source heat pump host machine according to claim 3, wherein the number of times of re-detection is 3 to 5 times, and the interval time is 10 to 20 seconds each time.
5. The noise and vibration control system for the air-source heat pump host machine as claimed in claim 1, wherein the microcontroller compares the vibration parameter value with the real-time detection vibration value, and the working process of adjusting the working frequency of the compressor and the rotating speed of the fan is as follows: when the average value of the real-time detection vibration values or the range in which any one or more values are larger than the vibration parameter value is within 3%, the microcontroller sends a compressor working frequency adjusting instruction and a fan rotating speed adjusting instruction, so that the real-time detection vibration values or the values are smaller than the vibration parameter value, the working frequency of the compressor with the large vibration value and the fan rotating speed are avoided, the adjusted working frequency of the compressor and the adjusted fan rotating speed are recorded, and the recorded working frequency and the adjusted fan rotating speed are stored as a memory control point.
6. The noise and vibration control system for an air-source heat pump host of claim 5, wherein the process of comparing the vibration parameter value with the real-time sensed vibration value by the microcontroller further comprises: when the average value of a plurality of real-time detection vibration values or the range of any one or more values of the real-time detection vibration values is larger than the vibration parameter value by more than 3 percent, feeding back a signal to the vibration sensor for detection again.
7. The noise and vibration control system for an air-source heat pump host machine according to claim 6, wherein the number of times of re-detection is 3 to 5 times, and the interval time is 6 to 10 seconds each time.
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| CN202011617767.0A CN112728808A (en) | 2020-12-31 | 2020-12-31 | Noise and vibration control system for air source heat pump host |
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| CN202011617767.0A CN112728808A (en) | 2020-12-31 | 2020-12-31 | Noise and vibration control system for air source heat pump host |
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Application publication date: 20210430 |