CN110864401B - System debugging method, system debugging device and storage medium - Google Patents

System debugging method, system debugging device and storage medium Download PDF

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Publication number
CN110864401B
CN110864401B CN201911189317.3A CN201911189317A CN110864401B CN 110864401 B CN110864401 B CN 110864401B CN 201911189317 A CN201911189317 A CN 201911189317A CN 110864401 B CN110864401 B CN 110864401B
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current
compressor
preset
energy efficiency
adjusting
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CN110864401A (en
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王文洁
黄松斌
应必业
卢艳军
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • 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
    • F24F11/77—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 by controlling the speed of ventilators
    • 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
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • 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
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • 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

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Thermal Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

A method of system commissioning, comprising: adjusting the frequency of a compressor and the valve step of an electronic expansion valve until the energy efficiency ratio of the system is maximum, adjusting the rotating speed of a fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range, calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, judging whether the current capacity value meets a first preset condition, if not, adjusting the frequency of the compressor and the valve step of the electronic expansion valve, executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, and if so, terminating the debugging of the system. The application also discloses a system debugging device and a storage medium, which can debug the system capacity to the optimal state.

Description

System debugging method, system debugging device and storage medium
Technical Field
The present application relates to the field of air conditioning technologies, and in particular, to a system debugging method, a system debugging apparatus, and a storage medium.
Background
The air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source, and the energy efficiency debugging of the air source heat pump has the following schemes: 1. carrying out full-working-condition simulation through standard working condition test data; 2. and (4) combing the APF debugging method by using historical test data.
With regard to the first scheme, the two debugging methods not only have high technical requirements and waste time and labor and are difficult to precipitate with technical experience, but also are difficult to debug the device to the optimal performance state through the existing simulation software technology, so that the cost is overhigh. For the second scheme, a large amount of test data needs to be arranged aiming at models of different devices, the debugging cost is high for the development of new models, random debugging process is referred, the subsequent improvement scheme is easy to be blurred, and the optimal performance of the device cannot be achieved.
Disclosure of Invention
A primary object of the present invention is to provide a system debugging method, a system debugging apparatus, and a storage medium, which can efficiently debug system capabilities to an optimal state.
In order to achieve the above object, a first aspect of the embodiments of the present application provides a system debugging method, including:
adjusting the frequency of a compressor and the valve step of an electronic expansion valve until the energy efficiency ratio of the system is maximum;
adjusting the rotating speed of the fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
judging whether the current capacity value meets a first preset condition or not;
if not, adjusting the frequency of the compressor and the valve step of the electronic expansion valve, and executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan; and if so, terminating the debugging of the system.
Further, the adjusting the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum comprises:
calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
judging whether the current capacity value meets a second preset condition or not;
if not, adjusting the frequency of the compressor, and executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
and if so, adjusting the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum.
Further, the adjusting the rotation speed of the fan to make the difference between the current energy efficiency ratio and the last energy efficiency ratio of the system within a first preset range includes:
recording the current values of the preset wind speed lifting mark and the counter as 0;
adjusting the rotating speed of the fan according to a first preset rule;
adding 1 to the current value of the counter, and measuring and calculating the current energy efficiency ratio of the system after waiting for a first preset time length;
judging whether the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range or not;
if not, executing the step of adjusting the rotating speed of the fan according to a first preset rule;
if yes, judging whether the current numerical value of the counter is larger than a preset numerical value or not;
if not, recording the wind speed lifting identifier as 1, adjusting the rotating speed of the fan according to a second preset rule, executing the step of adding 1 to the current numerical value of the counter, and measuring and calculating the current energy efficiency ratio of the system after waiting for a first preset time length;
and if so, executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan.
Further, the adjusting the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum further includes:
and acquiring the exhaust temperature corresponding to the maximum energy efficiency ratio, wherein the exhaust temperature is the optimal exhaust temperature of the compressor.
Further, the adjusting the frequency of the compressor and the valve of the electronic expansion valve comprises:
adjusting the frequency of the compressor according to a third preset rule;
acquiring the current exhaust temperature of the compressor;
judging whether the difference value between the current exhaust temperature and the optimal exhaust temperature is within a second preset range or not;
if not, executing the step of adjusting the frequency of the compressor according to a third preset rule;
if so, judging whether the difference value between the current exhaust temperature and the optimal exhaust temperature is greater than a preset threshold value;
if not, reducing the valve steps of the electronic expansion valve by a first preset step number, and after waiting for a second preset time period, executing the step of obtaining the current exhaust temperature of the compressor again;
and if so, increasing the valve steps of the electronic expansion valve by a second preset step number, and executing the step of obtaining the current exhaust temperature of the compressor again after waiting for a third preset time.
Further, after the debugging of the system is finished, the method further includes:
and correcting the power factor of the system.
Further, when the fan includes an inner fan and an outer fan, the adjusting the rotation speed of the fan to make the difference between the current energy efficiency ratio and the last energy efficiency ratio of the system within a first preset range includes:
adjusting the rotating speed of the inner fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
and adjusting the rotating speed of the outer fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range.
A second aspect of the embodiments of the present application provides a system debugging apparatus, including:
the first adjusting module is used for adjusting the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum;
the second adjusting module is used for adjusting the rotating speed of the fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
the capacity calculation module is used for calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
the first judging module is used for judging whether the current capacity value meets a first preset condition or not;
the third adjusting module is used for adjusting the frequency of the compressor and the valve step of the electronic expansion valve and executing the capacity calculating module if the frequency of the compressor and the valve step of the electronic expansion valve are not adjusted;
and the termination module is used for terminating the debugging of the system if the debugging is finished.
A third aspect of the embodiments of the present application provides a system debugging apparatus, including:
the system debugging method comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, and is characterized in that the system debugging method provided by the first aspect of the embodiment of the application is realized when the processor executes the program.
A fourth aspect of the embodiments of the present application provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the system debugging method provided in the first aspect of the embodiments of the present application.
As can be seen from the foregoing embodiments of the present application, the system tuning method, the system tuning device, and the storage medium provided in the present application adjust the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum, adjust the rotation speed of the fan to make the difference between the current energy efficiency ratio of the system and the previous energy efficiency ratio within a first preset range, calculate the current capability value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve, and the current rotation speed of the fan, determine whether the current capability value meets a first preset condition, if not, adjust the frequency of the compressor and the valve step of the electronic expansion valve, execute the step of calculating the current capability value according to the current frequency of the compressor, the current valve step of the electronic expansion valve, and the current rotation speed of the fan, if yes, terminate tuning of the system, and tune the system capability to an optimal state, and further, the system performance value is exerted to the optimal level.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flowchart of a system debugging method according to an embodiment of the present application;
FIG. 2 is a schematic flow chart illustrating the regulation of a compressor and an electronic expansion valve according to an embodiment of the present application;
FIG. 3 is a schematic flow chart of a conditioning fan according to an embodiment of the present disclosure;
FIG. 4 is a schematic flow chart illustrating the regulation of a compressor and an electronic expansion valve according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a system debugging apparatus according to an embodiment of the present application;
fig. 6 shows a hardware structure diagram of an electronic device.
Detailed Description
In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. 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 application.
Referring to fig. 1, fig. 1 is a schematic flow chart of a system debugging method according to an embodiment of the present application, where the method is applicable to an air source heat pump unit system, the air source heat pump unit system includes a compressor, a fan and an electronic expansion valve, and the method mainly includes the following steps:
s1, adjusting the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum;
before the system debugging, the initial frequency of the compressor, the initial valve step of the electronic expansion valve and the initial rotating speed of the fan can be set according to historical data and empirical data of a device to be debugged of the system.
The Energy Efficiency Ratio (EER) is the Ratio of the amount of cold or heat provided by the system to the amount of Energy consumed by the equipment itself.
S2, adjusting the rotating speed of the fan to enable the difference between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
the first preset range may be a specific value or a value range, for example, a difference between a current energy efficiency ratio and a last energy efficiency ratio of the system is 0.03, or a difference between the current energy efficiency ratio and the last energy efficiency ratio of the system is less than 0.03.
S3, calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
capacity value refers to the capacity of the system to provide cooling or heating capacity.
S4, judging whether the current capacity value meets a first preset condition;
the first preset condition may be a target ability value, or a target ability value range, or the current ability value and the target ability value satisfy a certain relational expression, etc. The first preset condition may be the same as the second preset condition, or may be different from the second preset condition. Illustratively, let the current judgment capability value be QAt presentValue ofWith a target capacity value of QTarget valueJudging whether the current capacity value satisfies a first preset condition to be a judgment QCurrent value≥QTarget valueOr judging the QCurrent valueWhether or not |1- (Q) is satisfiedCurrent value÷QTarget value) Less than or equal to 4 percent. Preferably, |1- (Q)Current value÷QTarget value) The value of | does not exceed 3%.
If not, executing step S5, and then executing step S3; if yes, go to step S6.
S5, adjusting the frequency of the compressor and the valve step of the electronic expansion valve;
and S6, terminating the debugging of the system.
And the capability and energy efficiency of the system are debugged to the optimal state.
In the embodiment of the application, the frequency of the compressor and the valve step of the electronic expansion valve are adjusted until the energy efficiency ratio of the system is maximum, the rotating speed of the fan is adjusted to ensure that the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is in a first preset range, calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, judging whether the current capacity value meets a first preset condition or not, if not, adjusting the frequency of the compressor and the valve step of the electronic expansion valve, executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, if so, the debugging of the system is stopped, the system capacity and the energy efficiency can be debugged to the optimal state, and the system performance value is further exerted to the optimal level.
In one embodiment of the present application, referring to fig. 2, step S1 includes:
s11, calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
and measuring and calculating the initial capacity value of the system, namely the current capacity value, by taking the initial frequency of a system compressor, the initial valve step of the electronic expansion valve and the initial rotating speed of the fan as current data.
S12, judging whether the current capacity value meets a second preset condition;
the second preset condition may be a target ability value, or a target ability value range, or the current ability value and the target ability value satisfy a certain relational expression, etc., that is, whether the current ability value satisfies the second preset condition may be whether the current ability value reaches the target ability value, whether the current ability value is within the target ability value range, or whether the current ability value and the target ability value satisfy the certain relational expression.
The following description will be made by taking an example of determining whether a certain relation between the current capability value and the target capability value is satisfied, for example, making the current determination capability value QCurrent valueWith a target capacity value of QTarget valueJudging whether the current ability value and the target ability value satisfy |1- (Q)Current value÷QTarget value) Less than or equal to 4 percent. Preferably, |1- (Q)Current value÷QTarget value) The value of | does not exceed 5%.
It will be appreciated that the above relationships are merely exemplary and in actual practice, may be customized by the user.
If not, go to step S13: adjusting the frequency of the compressor and then performing step S11;
if yes, go to step S14: and adjusting the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum.
In one embodiment of the present application, after step S14, the method further includes: and acquiring the exhaust temperature corresponding to the maximum energy efficiency ratio, wherein the exhaust temperature is the optimal exhaust temperature of the compressor.
In one embodiment of the present application, referring to fig. 3, step S2 includes:
s21, recording the current values of the preset wind speed lifting mark and the counter as 0;
let the wind speed rise and fall flag be X, the current value of the counter be N, then X equals 0, and N equals 0.
S22, adjusting the rotating speed of the fan according to a first preset rule;
the first predetermined rule may be that the inner fan or the outer fan increases the designated rotation each time, or decreases the designated rotation each time. Exemplary, let NWhen insideIs the current rotation speed of the inner fan, NUpper inner partThe last rotation speed of the inner fan, NWhen it is outAt the current speed of the outer fan, NUpper and outerThe first preset rule is N for the rotating speed of the last external fanWhen inside＝NUpper inner part+(-1)X·50，NWhen it is out＝NUpper and outer+(-1)X·20。
It is understood that the above-mentioned increased rotation 50 and decreased rotation 20 are only exemplary illustrations, and in practical applications, the specific data may not be limited thereto and may be customized by the user.
S23, adding 1 to the current value of the counter, and measuring and calculating the current energy efficiency ratio of the system after waiting for a first preset time length;
the first preset time period may be 1 minute, 5 minutes, or 10 minutes, etc. And waiting for the stable operation of the system, and measuring and calculating the accurate energy efficiency ratio of the system.
S24, judging whether the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range or not;
for example, taking the first preset range less than 0.03 as an example, it is determined whether the difference between the current energy efficiency ratio and the last energy efficiency ratio of the system is less than 0.03.
If not, go to step S22;
if yes, go to step S25: judging whether the current value of the counter is larger than a preset value or not; if not, go to step S26: recording the wind speed lifting mark as 1, adjusting the rotating speed of the fan according to a second preset rule, and then executing the step S23; if yes, go to step S3.
The preset value may be 1, 2, or 3, and the present embodiment does not limit the specific value, and the value may be taken according to the actual application situation.
The second predetermined rule may be the same as the first predetermined rule or different from the first predetermined rule. Illustratively, the second predetermined rule is also NWhen inside＝NUpper inner part+(-1)X·50，NWhen it is out＝NUpper and outer+(-1)X20, or is NWhen inside＝NUpper inner part-100，NWhen it is out＝N Upper and outer40, the embodiment is not limited to this, and may be set according to practical application.
In one embodiment of the present application, referring to fig. 4, step S5 includes:
s51, adjusting the frequency of the compressor according to a third preset rule;
the third preset rule may be exemplary of each up or down adjustment of the frequency of the designated hertz, which may be 1 hertz, 2 hertz, 10 hertz, and so on. Further, a frequency upper limit value may be set to prevent the frequency modulation from exceeding a range, such as 100 hz or 110 hz.
S52, acquiring the current exhaust temperature of the compressor;
s53, judging whether the difference value between the current exhaust temperature and the optimal exhaust temperature is within a second preset range or not;
for example, if the second preset range is greater than 1 degree celsius and less than-1 degree celsius, it is determined whether the difference between the current exhaust temperature and the optimal exhaust temperature is greater than 1 degree celsius and less than-1 degree celsius.
It is understood that the above-mentioned 1 degree centigrade and-1 degree centigrade are only exemplary illustrations, and in practical applications, the specific data may not be limited thereto and may be customized by the user.
If not, go to step S51;
if yes, go to step S54: judging whether the difference between the current exhaust temperature and the optimal exhaust temperature is greater than a preset threshold value or not; if not, go to step S55: reducing the valve steps of the electronic expansion valve by a first preset step number, and executing the step S52 again after waiting for a second preset time period; if yes, go to step S56: the valve step of the electronic expansion valve is increased by a second preset number of steps, and after waiting for a third preset time period, step S52 is executed again.
The value of the preset threshold may be the same as the value in the second preset range, or may be different from the value in the second preset range. The values of the first preset step number and the second preset step number can be the same or different. In the embodiment of the present application, the same value as the second preset range of 1 degree celsius is taken as an example, and the same values of the first preset step number and the second preset step number are both 2. Judging whether the difference between the current exhaust temperature and the optimal exhaust temperature is greater than 1 ℃, if not, reducing the valve step of the electronic expansion valve by 2 steps, and executing the step S52 again after waiting for a second preset time period; if yes, the valve step of the electronic expansion valve is increased by 2 steps, and after waiting for a third preset time period, step S52 is executed again.
The second preset time period may be 1 minute, 5 minutes, 10 minutes, or the like, which may be the same as the first preset time period, or may be different from the first preset time period, until the current discharge temperature of the compressor is stable. Similarly, the third preset time period may be 1 minute, 5 minutes, 10 minutes, etc., which may be the same as the first preset time period or the second preset time period, or may be different from the first preset time period or the second preset time period, until the current discharge temperature of the compressor is stable.
In one embodiment of the present application, step S6 is followed by: and carrying out power factor correction on the system.
And switching a Power Factor Correction (PFC) switch according to the national standard requirement, observing the Power change of the system, and verifying the EER change trend.
In one embodiment of the present application, if the fan includes an inner fan and an outer fan, step S2 is specifically to adjust the rotation speed of the inner fan according to steps S21 to S26 above so that the difference between the current energy efficiency ratio and the previous energy efficiency ratio of the system is within a first preset range, and then adjust the rotation speed of the outer fan according to steps S21 to S26 above so that the difference between the current energy efficiency ratio and the previous energy efficiency ratio of the system is within a first preset range.
Referring to fig. 5, fig. 5 is a schematic structural diagram of a system commissioning apparatus according to another embodiment of the present application, the system commissioning apparatus can be used in an air source heat pump unit system, the air source heat pump unit system includes a compressor, a fan, and an electronic expansion valve, and mainly includes:
the first adjusting module 100 is used for adjusting the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum;
the second adjusting module 200 is used for adjusting the rotating speed of the fan, so that the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range;
the capacity calculation module 300 is configured to calculate a current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve, and the current rotation speed of the fan;
a first judging module 400, configured to judge whether the current capability value meets a first preset condition;
a third adjusting module 500, configured to adjust the frequency of the compressor and the valve step of the electronic expansion valve if the capacity of the compressor is not greater than the capacity of the electronic expansion valve, and then execute the capacity calculating module 300;
a termination module 600, configured to terminate the debugging of the system if yes.
In one embodiment of the present application, the first adjustment module 100 includes:
the first calculation submodule is used for calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
the first judgment submodule is used for judging whether the current capacity value meets a second preset condition or not;
a first adjusting submodule, configured to adjust a frequency of the compressor if the frequency of the compressor is not adjusted, and execute the capacity calculating module 300;
and the second adjusting submodule is used for adjusting the valve step of the electronic expansion valve if the energy efficiency ratio of the system is maximum.
In one embodiment of the present application, the second adjustment module 200 includes:
the marking submodule is used for marking the preset wind speed lifting mark and the current numerical value of the counter as 0;
the third adjusting submodule is used for adjusting the rotating speed of the fan according to a first preset rule;
the measuring and calculating submodule is used for adding 1 to the current numerical value of the counter and measuring and calculating the current energy efficiency ratio of the system after waiting for a first preset time length;
the second judgment submodule is used for judging whether the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range or not;
if not, executing the third adjusting submodule;
the third judgment submodule is used for judging whether the current numerical value of the counter is larger than the preset numerical value or not if the current numerical value of the counter is larger than the preset numerical value;
the fourth adjusting submodule is used for marking the wind speed lifting identifier as 1 if the wind speed lifting identifier is not the same as the wind speed lifting identifier, adjusting the rotating speed of the fan according to a second preset rule and executing the measuring and calculating submodule;
if so, the capability calculation module 300 is executed.
In one embodiment of the present application, the system debugging apparatus further includes:
and the exhaust temperature acquisition module is used for acquiring the exhaust temperature corresponding to the maximum energy efficiency ratio, and the exhaust temperature is the optimal exhaust temperature of the compressor.
In one embodiment of the present application, the third adjustment module 500 includes:
the fifth adjusting submodule is used for adjusting the frequency of the compressor according to a third preset rule;
the temperature acquisition submodule is used for acquiring the current exhaust temperature of the compressor;
the fourth judgment submodule is used for judging whether the difference value between the current exhaust temperature and the optimal exhaust temperature is within a second preset range or not;
if not, executing the fifth adjusting submodule;
a fifth judging submodule, configured to judge whether a difference between the current exhaust temperature and the optimal exhaust temperature is greater than a preset threshold if the difference is greater than the preset threshold;
the reducing submodule is used for reducing the valve steps of the electronic expansion valve by a first preset step number if the electronic expansion valve is not in the first preset step number, and executing the temperature obtaining submodule again after waiting for a second preset time length;
and the adding submodule is used for increasing the valve steps of the electronic expansion valve by a second preset step number if the temperature of the electronic expansion valve is within the preset range, and executing the temperature obtaining submodule again after waiting for a third preset time.
In one embodiment of the present application, the system debugging apparatus further includes:
and the correction module is used for correcting the power factor of the system.
In one embodiment of the present application, when the blower includes an inner blower and an outer blower, the second adjusting module 200 includes:
the inner fan adjusting module is used for adjusting the rotating speed of the inner fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
and the outer fan adjusting module is used for adjusting the rotating speed of the outer fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range.
In the embodiment of the application, the frequency of the compressor and the valve step of the electronic expansion valve are adjusted until the energy efficiency ratio of the system is maximum, the rotating speed of the fan is adjusted to ensure that the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is in a first preset range, calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, judging whether the current capacity value meets a first preset condition or not, if not, adjusting the frequency of the compressor and the valve step of the electronic expansion valve, executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, if so, the debugging of the system is stopped, the system capacity and the energy efficiency can be debugged to the optimal state, and the system performance value is further exerted to the optimal level.
An embodiment of the present application further provides an electronic device, including: the system debugging method comprises a memory, a processor and a computer program which is stored on the memory and can run on the processor, wherein when the processor executes the computer program, the system debugging method is realized as described in the embodiment shown in the previous figures 1 to 4.
An embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium may be disposed in the electronic device in each of the above embodiments, and the computer-readable storage medium may be a storage unit disposed in the main control chip and the data acquisition chip in each of the above embodiments. The computer readable storage medium has stored thereon a computer program, which when executed by a processor implements the system debugging method described in the embodiments of fig. 1 to 4.
For example, the electronic device may be any of various types of computer system apparatuses that are mobile or portable and perform wireless communication. In particular, the method comprises the following steps of,
the electronic apparatus may also be any of a number of electronic devices including, but not limited to, a calculator, a programmable remote control, a laptop computer, a desktop computer, a netbook computer, a Personal Digital Assistant (PDA), and combinations thereof.
In some cases, the electronic device may perform a variety of functions (e.g., playing music, displaying video, storing pictures, and receiving and sending telephone calls). If desired, the electronic apparatus may be a portable device such as a cellular telephone, media player, other handheld device, wristwatch device, pendant device, earpiece device, or other compact portable device.
As shown in fig. 6, the electronic device 10 may include control circuitry, which may include storage and processing circuitry 30. The storage and processing circuitry 30 may include memory, such as hard drive memory, non-volatile memory (e.g., flash memory or other electronically programmable erase limit memory used to form solid state drives, etc.), volatile memory (e.g., static or dynamic random access memory, etc.), and so forth, although the embodiments of the present application are not limited thereto. Processing circuitry in the storage and processing circuitry 30 may be used to control the operation of the electronic device 10. The processing circuitry may be implemented based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, display driver integrated circuits, and the like.
The storage and processing circuitry 30 may be used to run software within the electronic device 10 such as, for example, an Internet browsing application, a Voice Over Internet Protocol (VOIP) telephone call application, an email application, a media playing application, operating system functions, etc. Such software may be used to perform control operations such as, for example, camera-based image capture, ambient light measurement based on an ambient light sensor, proximity sensor measurement based on a proximity sensor, information display functionality based on status indicators such as status indicator lights of light emitting diodes, touch event detection based on a touch sensor, functionality associated with displaying information on multiple (e.g., layered) displays, operations associated with performing wireless communication functions, operations associated with collecting and generating audio signals, control operations associated with collecting and processing button press event data, and other functions in the electronic device 10, and the like, without limitation of the embodiments of the present application.
The electronic device 10 may also include input-output circuitry 42. The input-output circuitry 42 may be used to enable the electronic device 10 to enable input and output of data, i.e., to allow the electronic device 10 to receive data from external devices and also to allow the electronic device 10 to output data from the electronic device 10 to external devices. The input-output circuitry 42 may further include the sensor 32. The sensors 32 may include ambient light sensors, optical and capacitive based proximity sensors, touch sensors (e.g., optical based touch sensors and/or capacitive touch sensors, where the touch sensors may be part of a touch display screen or may be used independently as a touch sensor structure), acceleration sensors, and other sensors, among others.
Input-output circuitry 42 may also include one or more displays, such as display 19. The display 19 may comprise one or a combination of liquid crystal displays, organic light emitting diode displays, electronic ink displays, plasma displays, displays using other display technologies. The display 19 may include an array of touch sensors (i.e., the display 19 may be a touch display screen). The touch sensor may be a capacitive touch sensor formed by a transparent touch sensor electrode (e.g., an Indium Tin Oxide (ITO) electrode) array, or may be a touch sensor formed by using other touch technologies, such as acoustic wave touch, pressure-sensitive touch, resistive touch, optical touch, and the like, and the embodiments are not limited in this respect.
The electronic device 10 may also include an audio component 36. The audio component 36 may be used to provide audio input and output functionality for the electronic device 10. Audio components 36 in electronic device 10 may include speakers, microphones, buzzers, tone generators, and other components for generating and detecting sound.
The communication circuitry 38 may be used to provide the electronic device 10 with the ability to communicate with external devices. The communication circuit 38 may include analog and digital input-output interface circuits, and wireless communication circuits based on radio frequency signals and/or optical signals. The wireless communication circuitry in communication circuitry 38 may include radio-frequency transceiver circuitry, power amplifier circuitry, low noise amplifiers, switches, filters, and antennas. For example, the wireless Communication circuitry in Communication circuitry 38 may include circuitry to support Near Field Communication (NFC) by transmitting and receiving Near Field coupled electromagnetic signals. For example, the communication circuitry 38 may include a near field communication antenna and a near field communication transceiver. The communications circuitry 38 may also include a cellular telephone transceiver and antenna, a wireless local area network transceiver circuit and antenna, and the like.
The electronic device 10 may further include a battery, power management circuitry, and other input-output units 40. The input-output unit 40 may include buttons, joysticks, click wheels, scroll wheels, touch pads, keypads, keyboards, cameras, light emitting diodes and other status indicators, etc.
A user may enter commands through input-output circuitry 42 to control the operation of electronic device 10, and may use output data of input-output circuitry 42 to enable receipt of status information and other outputs from electronic device 10.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the system debugging method, the system debugging apparatus and the storage medium provided in the present application, those skilled in the art will recognize that there are variations in the embodiments and the application scope according to the ideas of the embodiments of the present application, and in summary, the content of the present specification should not be construed as limiting the present application.

Claims (10)

1. A method of commissioning a system comprising a compressor, an electronic expansion valve, and a fan, comprising:
adjusting the frequency of a compressor and the valve step of an electronic expansion valve until the energy efficiency ratio of the system is maximum;
adjusting the rotating speed of the fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, wherein the capacity value indicates the capacity of the system for providing refrigerating capacity or heating capacity;
judging whether the current capacity value meets a first preset condition, wherein the first preset condition is a first preset target capacity value, or a first preset target capacity range, or the first current capacity value and the first target capacity value meet a first specified relational expression;
if not, adjusting the frequency of the compressor and the valve step of the electronic expansion valve, and executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan; and if so, terminating the debugging of the system.
2. The system commissioning method of claim 1, wherein said adjusting the frequency of the compressor and the valve steps of the electronic expansion valve until the energy efficiency ratio of the system is maximized comprises:
calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
judging whether the current capacity value meets a second preset condition, wherein the second preset condition is a second preset target capacity value, or a second preset target capacity range, or the second current capacity value and the second target capacity value meet a second specified relational expression;
if not, adjusting the frequency of the compressor, and executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan;
and if so, adjusting the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum.
3. The system debugging method according to claim 2, wherein the adjusting the rotation speed of the fan so that the difference between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range comprises:
recording the current values of the preset wind speed lifting mark and the counter as 0;
adjusting the rotating speed of the fan according to a first preset rule;
adding 1 to the current value of the counter, and measuring and calculating the current energy efficiency ratio of the system after waiting for a first preset time length;
judging whether the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range or not;
if not, executing the step of adjusting the rotating speed of the fan according to a first preset rule;
if yes, judging whether the current numerical value of the counter is larger than a preset numerical value or not;
if not, recording the wind speed lifting identifier as 1, adjusting the rotating speed of the fan according to a second preset rule, executing the step of adding 1 to the current numerical value of the counter, and measuring and calculating the current energy efficiency ratio of the system after waiting for a first preset time length;
and if so, executing the step of calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan.
4. The system commissioning method according to any one of claims 1 to 3, wherein said adjusting the frequency of the compressor and the valve step of the electronic expansion valve until after the energy efficiency ratio of the system is maximized further comprises:
and acquiring the exhaust temperature corresponding to the maximum energy efficiency ratio, wherein the exhaust temperature is the optimal exhaust temperature of the compressor.
5. The system commissioning method of claim 4, wherein said adjusting the frequency of said compressor and the valve step of an electronic expansion valve comprises:
adjusting the frequency of the compressor according to a third preset rule;
acquiring the current exhaust temperature of the compressor;
judging whether the difference value between the current exhaust temperature and the optimal exhaust temperature is within a second preset range or not;
if not, executing the step of adjusting the frequency of the compressor according to a third preset rule;
if so, judging whether the difference value between the current exhaust temperature and the optimal exhaust temperature is greater than a preset threshold value;
if not, reducing the valve steps of the electronic expansion valve by a first preset step number, and after waiting for a second preset time period, executing the step of obtaining the current exhaust temperature of the compressor again;
and if so, increasing the valve steps of the electronic expansion valve by a second preset step number, and executing the step of obtaining the current exhaust temperature of the compressor again after waiting for a third preset time.
6. The system debugging method according to claim 5, further comprising, after the end of debugging the system:
and correcting the power factor of the system.
7. The system debugging method according to claim 1 or 3, wherein when the fan comprises an inner fan and an outer fan, the adjusting the rotation speed of the fan so that the difference between the current energy efficiency ratio and the last energy efficiency ratio of the system is within a first preset range comprises:
adjusting the rotating speed of the inner fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
and adjusting the rotating speed of the outer fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range.
8. A system debugging apparatus, comprising:
the first adjusting module is used for adjusting the frequency of the compressor and the valve step of the electronic expansion valve until the energy efficiency ratio of the system is maximum;
the second adjusting module is used for adjusting the rotating speed of the fan to enable the difference value between the current energy efficiency ratio and the last energy efficiency ratio of the system to be within a first preset range;
the capacity calculation module is used for calculating the current capacity value of the system according to the current frequency of the compressor, the current valve step of the electronic expansion valve and the current rotating speed of the fan, and the capacity value indicates the capacity of the system for providing refrigerating capacity or heating capacity;
the first judging module is used for judging whether the current capacity value meets a first preset condition, wherein the first preset condition is a first preset target capacity value, or a first preset target capacity range, or the first current capacity value and the first target capacity value meet a first specified relational expression;
the third adjusting module is used for adjusting the frequency of the compressor and the valve step of the electronic expansion valve and executing the capacity calculating module if the frequency of the compressor and the valve step of the electronic expansion valve are not adjusted;
and the termination module is used for terminating the debugging of the system if the debugging is finished.
9. A system debugging apparatus comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the system debugging method according to any of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, carries out the steps in the system debugging method of any one of claims 1 to 7.
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