CN115541273B - CO 2 Efficiency test platform for cold and hot combined supply module unit - Google Patents
CO 2 Efficiency test platform for cold and hot combined supply module unit Download PDFInfo
- Publication number
- CN115541273B CN115541273B CN202211128801.7A CN202211128801A CN115541273B CN 115541273 B CN115541273 B CN 115541273B CN 202211128801 A CN202211128801 A CN 202211128801A CN 115541273 B CN115541273 B CN 115541273B
- Authority
- CN
- China
- Prior art keywords
- unit
- conversion rate
- module unit
- parameter
- parameters
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- 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
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/008—Subject matter not provided for in other groups of this subclass by doing functionality tests
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses CO 2 Cold and hot combined supply module machineThe group efficiency test platform relates to the technical field of module unit test, and solves the technical problems that under the condition of different input amounts, the output amounts of the module units are different, so that test data have deviation, meanwhile, the optimal parameters cannot be given according to test results, normal cold and hot module units are tested, the input amounts are limited in A, B and C groups of intervals, efficiency tests are carried out on different module units according to the three groups of intervals and corresponding output amounts, the acquired input air quantity is acquired through a data acquisition terminal, the input air quantity is compared with A, B and C groups of intervals, the acquired conversion rate is compared with a corresponding conversion rate set, whether the acquired conversion rate belongs to the conversion rate set or not is checked, different comparison signals are generated according to comparison results, humidity parameters are compared, and the comparison signals are transmitted to an external display terminal.
Description
Technical Field
The invention belongs to the technical field of module unit test, and particularly relates to a CO (carbon monoxide) 2 And a cold and hot combined supply module unit efficiency test platform.
Background
The cold and hot combined supply module unit of the refrigeration compressor is a new air conditioning system, along with the progress of scientific technology, the continuous progress of the refrigeration compressor manufacturing technology is promoted, and the characteristics of compact structure, high efficiency, energy saving, low noise and the like are the targets of the continuous pursuit of the air conditioning compressor manufacturing technology from the aspect of the development trend of the refrigeration compressor.
The patent number CN113588315A provides a comprehensive cold and hot water unit test system, relates to the technical field of cold and hot water units. The comprehensive cold and hot water unit test system comprises: the device comprises a constant temperature component, an air treatment unit arranged between tests, a chilled water system with a chilled water inlet pipeline and a chilled water outlet pipeline, and a cooling water system with a cooling water inlet pipeline, a cooling water outlet pipeline, a first branch, a second branch and a cooling tower, wherein the air treatment unit, the chilled water system and the cooling water system are all connected with the constant temperature component. The air treatment unit can provide stable working conditions for the tested cold and hot water unit, and the air treatment unit can realize the test of the air-cooled or evaporative cold type tested cold and hot water unit through the chilled water system and the air treatment unit; the water cooling type tested cold and hot water unit can be tested through the chilled water system and the cooling water system.
In the process of testing the efficiency of the module unit, whether the efficiency test of the whole module unit is qualified or not is checked according to the numerical processing of the input parameters and the output parameters, but the testing mode is too single, and the module unit has deviation in testing data due to different output quantities under the condition of different input quantities, and meanwhile, the optimal parameters cannot be given according to the testing result, so that the module unit is convenient for external personnel to adjust to the optimal state.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art; for this purpose, the invention proposes CO 2 The utility model provides a cold and hot combined supply module unit efficiency test platform for solve the module unit and under the condition of different input quantity, its output is all different, just lead to test data to have the deviation, simultaneously, can not give the technical problem of best parameter according to test result.
To achieve the above object, embodiments according to a first aspect of the present invention provide a CO 2 The cold and hot combined supply module unit efficiency test platform comprises a data acquisition end, a test platform and a display terminal;
the test platform comprises an input quantity control unit, a data processing center, a storage unit, a test data comparison unit and a threshold unit;
the test platform tests the cold and hot combined supply module unit, performs hierarchical control on the input quantity of the cold and hot combined supply module unit, acquires the conversion rate of each different hierarchy, generates a conversion rate set, extracts the optimal conversion peak value, and transmits the conversion rate set and the optimal conversion peak value into the storage unit for storage;
the data acquisition end is used for acquiring and acquiring input air quantity, output air quantity and humidity parameters generated by the cold and hot combined supply module unit and transmitting the acquired unit parameters into the test platform;
and the data processing center receives and processes the unit parameters of the module unit under test, generates different comparison signals according to the comparison parameters and transmits the different comparison signals to the external display terminal.
Preferably, the testing platform tests the cold and hot combined supply module unit by the steps of:
s1, controlling an input quantity control unit, and limiting the input quantity in A, B and C three sections, wherein the section parameter of the section A is [ X1, X2], the section parameter of the section B is (X2, X3), the section parameter of the section C is (X3, X4), wherein X1 is the minimum input quantity, X4 is the maximum input quantity, and X1 is more than X2 and less than X3 and less than X4;
s2, limiting the input quantity in an interval A, testing a module unit, obtaining output quantity intervals AS [ Y1, Y2] of the module unit, obtaining different conversion rates ZH by adopting ZH=Y/X, and obtaining a conversion rate set ZHA of the interval A, wherein all parameters between X1 and X4 are represented by X, all parameters between Y1 and Y4 are represented by Y, and X and Y only represent a single parameter;
s3, sequentially limiting input quantity within a B, C interval range, testing a module unit, obtaining output quantity intervals BS (Y2, Y3 and CS (Y3, Y4) of the module unit, obtaining different conversion rates ZH by adopting the same formula in the step S2, and obtaining conversion rate sets ZHB and ZHC of the B and C interval ranges;
s4, binding the three groups of output quantity intervals AS, BS and CS with corresponding conversion rate sets, generating a binding data packet, and transmitting the binding data packet into a storage unit for storage;
s5, three groups of highest peaks are obtained from the three groups of conversion rate sets, the three groups of peaks are bound, a peak binding package is generated, and the peak binding package is transmitted to a storage unit for storage.
Preferably, the data processing center receives and processes the collected unit parameters in the following manner:
sequentially extracting input air quantity, output air quantity and humidity parameters from the unit parameters, and marking the input air quantity as SR i The output air volume is marked as SC i Wherein i represents different modular units;
will input the air volume SR i Comparing with A, B and C three groups of intervals to check the input air volume SR i The method comprises the steps of belonging to a section and obtaining a conversion rate set matched with the section;
by using
Obtaining the conversion rate parameter ZH of the unit i The conversion rate parameter ZH i Transmitting the conversion rate set into the test data comparison unit, and checking the conversion rate parameter ZH i If the module unit exists in the conversion rate set, generating a normal signal, extracting a corresponding peak parameter from the peak bundle package, transmitting an input quantity corresponding to the peak parameter to an external display terminal, adjusting the module unit by an external operator according to the displayed input quantity, enabling the module unit to be in an optimal running state, and if the module unit does not exist, generating an efficiency abnormal signal and transmitting different processing signals to the display terminal;
extracting the corresponding humidity parameter, and marking the humidity parameter as SD i Will humidity parameter SD i Is transmitted into a threshold unit, and the threshold unit transmits the humidity parameter SD i And comparing, generating different comparison signals, and transmitting the comparison signals to the display terminal.
Preferably, the threshold unit is internally provided with thresholds K1 and K2 for determining the humidity parameter SD i The specific mode for comparison is as follows:
when SD is i When the humidity is less than K1, a humidity deficiency message is generatedA number;
when K1 is less than or equal to SD i Generating a normal signal when K2 is less than;
when K2 is less than or equal to SD i Generating a humidity excess signal when;
and transmitting the generated comparison signal into an external display terminal, and enabling an external operator to display the comparison signal according to the display terminal.
Compared with the prior art, the invention has the beneficial effects that: testing a normal cold and hot module unit, limiting input quantity in A, B intervals and C intervals, acquiring conversion rates corresponding to the three intervals according to the three intervals and corresponding output quantities, binding conversion rate parameters and three interval parameters, transmitting the bound data packets into a storage unit for storage, testing the effectiveness of different module units, acquiring the acquired input air quantity through a data acquisition terminal, comparing the acquired input air quantity with A, B intervals and C intervals, comparing the acquired conversion rate with a corresponding conversion rate set according to a comparison result, checking whether the acquired conversion rate belongs to the conversion rate set, generating different comparison signals according to the comparison result, comparing humidity parameters, and transmitting the comparison signals to an external display terminal;
the input quantity is subjected to partition processing, and meanwhile, the conversion rate of different partitions is obtained, so that the subsequent processing parameters can be conveniently compared, the accuracy of a comparison result can be improved, and the efficiency test effect of the whole module unit is improved;
and simultaneously, according to the comparison result, extracting the corresponding peak parameter from the peak binding package, transmitting the input quantity corresponding to the peak parameter into an external display terminal, and adjusting the module unit by an external operator according to the displayed input quantity so as to enable the module unit to be in an optimal running state.
Drawings
Fig. 1 is a schematic diagram of a principle frame of the present invention.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to FIG. 1, the present application provides CO 2 The cold and hot combined supply module unit efficiency test platform comprises a data acquisition end, a test platform and a display terminal;
the output end of the data acquisition end is electrically connected with the input end of the test platform, and the output end of the test platform is electrically connected with the input end of the display terminal;
the test platform comprises an input quantity control unit, a data processing center, a storage unit, a test data comparison unit and a threshold unit;
the output end of the input quantity control unit is electrically connected with the input end of the data processing center, the data processing center is in bidirectional connection with the storage unit, the output end of the data processing center is electrically connected with the input end of the test data comparison unit, and the test data comparison unit is in bidirectional connection with the threshold unit;
the data acquisition end is used for acquiring and acquiring input air quantity, output air quantity and humidity parameters generated by the cold and hot combined supply module unit and transmitting the acquired unit parameters into the test platform;
the test platform tests the cold and hot combined supply module unit (the cold and hot combined supply module unit at the moment is a group of normal unit, so that the optimal parameters are conveniently obtained, the subsequent test parameters are conveniently tested with the optimal parameters, the subsequent test parameters are compared with the optimal parameters, the efficiency of other module units is judged through the comparison result), the input quantity of the cold and hot combined supply module unit is controlled in a grading manner, the conversion rate of each different grading is obtained, a conversion rate set is generated, the optimal conversion peak value is extracted at the same time, and the conversion rate set and the optimal conversion peak value are transmitted into the storage unit for storage, wherein the specific test steps are as follows:
s1, controlling an input quantity control unit, and limiting the input quantity in A, B and C three sections, wherein the section parameter of the section A is [ X1, X2], the section parameter of the section B is (X2, X3), the section parameter of the section C is (X3, X4), wherein X1 is the minimum input quantity, X4 is the maximum input quantity, and X1 is more than X2 and less than X3 and less than X4;
s2, limiting the input quantity in an A interval range, testing a module unit, obtaining output quantity intervals AS [ Y1, Y2] of the module unit, obtaining different conversion rates ZH by adopting ZH=Y/X, and obtaining a conversion rate set ZHA (the conversion rate set is a series set containing conversion rate parameters) in the A interval range, wherein all parameters from X1 to X4 are represented by X, all parameters from Y1 to Y4 are represented by Y, and X and Y only represent single parameters;
s3, sequentially limiting input quantity within a B, C interval range, testing a module unit, obtaining output quantity intervals BS (Y2, Y3 and CS (Y3, Y4) of the module unit, obtaining different conversion rates ZH by adopting the same formula in the step S2, and obtaining conversion rate sets ZHB and ZHC of the B and C interval ranges;
s4, binding the three groups of output quantity intervals AS, BS and CS with corresponding conversion rate sets, generating a binding data packet, and transmitting the binding data packet into a storage unit for storage;
s5, three groups of highest peaks are obtained from the three groups of conversion rate sets, the three groups of peaks are bound, a peak binding package is generated, and the peak binding package is transmitted to a storage unit for storage.
The data processing center receives and processes unit parameters of the module unit under test, generates different comparison signals according to the comparison parameters, and transmits the comparison signals to the external display terminal for external personnel to check, wherein the specific processing mode is as follows:
sequentially extracting input air quantity, output air quantity and humidity parameters from the unit parameters, and marking the input air quantity as SR i The output air volume is marked as SC i Wherein i represents different modular units;
will input the air volume SR i Comparing with A, B and C three groups of intervals,check the input air volume SR i The method comprises the steps of belonging to a section and obtaining a conversion rate set matched with the section;
by using
Obtaining the conversion rate parameter ZH of the unit i The conversion rate parameter ZH i Transmitting the conversion rate set into the test data comparison unit, and checking the conversion rate parameter ZH i If the module unit exists in the conversion rate set, generating a normal signal, extracting a corresponding peak parameter from the peak bundle package, transmitting an input quantity corresponding to the peak parameter to an external display terminal, adjusting the module unit by an external operator according to the displayed input quantity, enabling the module unit to be in an optimal running state, and if the module unit does not exist, generating an efficiency abnormal signal and transmitting different processing signals to the display terminal;
extracting the corresponding humidity parameter, and marking the humidity parameter as SD i Will humidity parameter SD i Transmitting the humidity parameter SD into a threshold unit, wherein threshold values K1 and K2 are arranged in the threshold unit, and the threshold unit is used for controlling the humidity parameter SD i Comparing, generating different comparison signals and transmitting the comparison signals into a display terminal, wherein the specific comparison steps are as follows:
when SD is i Generating a humidity deficiency signal when K1 is less than;
when K1 is less than or equal to SD i Generating a normal signal when K2 is less than;
when K2 is less than or equal to SD i Generating a humidity excess signal when;
and transmitting the generated comparison signal into an external display terminal, and fully knowing the performance test of the module unit by an external operator according to the comparison signal displayed by the display terminal.
The partial data in the formula are all obtained by removing dimension and taking the numerical value for calculation, and the formula is a formula closest to the real situation obtained by simulating a large amount of collected data through software; the preset parameters and the preset threshold values in the formula are set by those skilled in the art according to actual conditions or are obtained through mass data simulation.
The working principle of the invention is as follows: firstly, testing a normal cold and hot module unit, limiting input quantity in A, B and C three groups of intervals, obtaining conversion rates corresponding to the three groups of intervals according to the three groups of intervals and corresponding output quantities, binding conversion rate parameters and the three groups of interval parameters, transmitting the bound data packet into a storage unit for storage, testing the efficiency of different module units after the storage is finished, obtaining the collected input air quantity through a data collection terminal, comparing the input air quantity with A, B and C three groups of intervals, comparing the obtained conversion rate with a corresponding conversion rate set according to a comparison result, checking whether the obtained conversion rate belongs to the conversion rate set, generating different comparison signals according to the comparison result, comparing humidity parameters, and transmitting the comparison signals to an external display terminal;
the input quantity is subjected to partition processing, and meanwhile, the conversion rates of different partitions are obtained, so that the subsequent processing parameters can be conveniently compared, the accuracy of a comparison result can be improved, and the efficiency test effect of the whole module unit is improved.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (3)
1.CO 2 The cold and hot combined supply module unit efficiency test platform is characterized by comprising a data acquisition end, a test platform and a display terminal;
the test platform comprises an input quantity control unit, a data processing center, a storage unit, a test data comparison unit and a threshold unit;
the test platform tests the cold and hot combined supply module unit, performs hierarchical control on the input quantity of the cold and hot combined supply module unit, acquires the conversion rate of each different hierarchy, generates a conversion rate set, extracts the optimal conversion peak value, and transmits the conversion rate set and the optimal conversion peak value into the storage unit for storage;
the data acquisition end is used for acquiring and acquiring input air quantity, output air quantity and humidity parameters generated by the cold and hot combined supply module unit and transmitting the acquired unit parameters into the test platform;
the data processing center receives and processes unit parameters of the module unit under test, generates different comparison signals according to the comparison parameters, and transmits the different comparison signals to the external display terminal;
the test platform tests the cold and hot combined supply module unit by the steps of:
s1, controlling an input quantity control unit, and limiting the input quantity in A, B and C three sections, wherein the section parameter of the section A is [ X1, X2], the section parameter of the section B is (X2, X3), the section parameter of the section C is (X3, X4), wherein X1 is the minimum input quantity, X4 is the maximum input quantity, and X1 is more than X2 and less than X3 and less than X4;
s2, limiting the input quantity in an interval A, testing the module unit to obtain an output quantity interval AS [ Y1, Y2] of the module unit, obtaining different conversion rates ZH by adopting ZH=YX, and obtaining a conversion rate set ZHA of the interval A, wherein all parameters between X1 and X4 are represented by X, all parameters between Y1 and Y4 are represented by Y, and X and Y only represent a single parameter;
s3, sequentially limiting input quantity within a B, C interval range, testing a module unit, obtaining output quantity intervals BS (Y2, Y3 and CS (Y3, Y4) of the module unit, obtaining different conversion rates ZH by adopting the same formula in the step S2, and obtaining conversion rate sets ZHB and ZHC of the B and C interval ranges;
s4, binding the three groups of output quantity intervals AS, BS and CS with corresponding conversion rate sets, generating a binding data packet, and transmitting the binding data packet into a storage unit for storage;
s5, three groups of highest peaks are obtained from the three groups of conversion rate sets, the three groups of peaks are bound, a peak binding package is generated, and the peak binding package is transmitted to a storage unit for storage.
2. The CO according to claim 1 2 The cold and hot combined supply module unit efficiency test platform is characterized in that the data processing center receives and processes the collected unit parameters in the following modes:
sequentially extracting input air quantity, output air quantity and humidity parameters from the unit parameters, and marking the input air quantity as SR i The output air volume is marked as SC i Wherein i represents different modular units;
will input the air volume SR i Comparing with A, B and C three groups of intervals to check the input air volume SR i The method comprises the steps of belonging to a section and obtaining a conversion rate set matched with the section;
by using
Obtaining the conversion rate parameter ZH of the unit i The conversion rate parameter ZH i Transmitting the conversion rate set into the test data comparison unit, and checking the conversion rate parameter ZH i If the module unit exists in the conversion rate set, generating a normal signal, extracting a corresponding peak parameter from the peak bundle package, transmitting an input quantity corresponding to the peak parameter to an external display terminal, adjusting the module unit by an external operator according to the displayed input quantity, enabling the module unit to be in an optimal running state, and if the module unit does not exist, generating an efficiency abnormal signal and transmitting different processing signals to the display terminal; />
Extracting the corresponding humidity parameter, and marking the humidity parameter as SD i Will humidity parameter SD i Is transmitted into a threshold unit, and the threshold unit transmits the humidity parameter SD i And comparing, generating different comparison signals, and transmitting the comparison signals to the display terminal.
3. The CO according to claim 2 2 Efficiency test platform for cold and hot combined supply module unitCharacterized in that the threshold unit is internally provided with threshold values K1 and K2 for setting humidity parameter SD i The specific mode for comparison is as follows:
when SD is i Generating a humidity deficiency signal when K1 is less than;
when K1 is less than or equal to SD i Generating a normal signal when K2 is less than;
when K2 is less than or equal to SD i Generating a humidity excess signal when;
and transmitting the generated comparison signal into an external display terminal, and enabling an external operator to display the comparison signal according to the display terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211128801.7A CN115541273B (en) | 2022-09-16 | 2022-09-16 | CO 2 Efficiency test platform for cold and hot combined supply module unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211128801.7A CN115541273B (en) | 2022-09-16 | 2022-09-16 | CO 2 Efficiency test platform for cold and hot combined supply module unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115541273A CN115541273A (en) | 2022-12-30 |
| CN115541273B true CN115541273B (en) | 2023-05-23 |
Family
ID=84727144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211128801.7A Active CN115541273B (en) | 2022-09-16 | 2022-09-16 | CO 2 Efficiency test platform for cold and hot combined supply module unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115541273B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5726575A (en) * | 1994-09-02 | 1998-03-10 | Gec Alsthom T & D Sa | Path for acquiring a voltage pulse, and a method and a system for measuring partial discharges and provided with such a path |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11125609A (en) * | 1997-10-23 | 1999-05-11 | Tosei Electro Beam Kk | Method for testing baking of vacuum double pipe |
| CN203365161U (en) * | 2013-06-20 | 2013-12-25 | 华电电力科学研究院 | Natural gas distributed energy supply integrative experiment device |
| CN103364211B (en) * | 2013-06-20 | 2016-07-06 | 华电电力科学研究院 | A kind of Distribution of Natural formula energy supply comprehensive experimental device |
| JP2017058838A (en) * | 2015-09-15 | 2017-03-23 | 株式会社東芝 | Information processing apparatus, test system, information processing method, and program |
| CN109471388A (en) * | 2018-11-07 | 2019-03-15 | 国网辽宁省电力有限公司经济技术研究院 | Cogeneration units status remote based on TD-LTE mechanics of communication monitors system |
| CN112305350B (en) * | 2020-10-20 | 2022-09-02 | 云南电网有限责任公司电力科学研究院 | Fault detection device for power module of frequency modulation test platform of new energy unit |
| CN114965924A (en) * | 2022-05-16 | 2022-08-30 | 蚌埠碧水蓝环境科技有限公司 | Sewage pollutant concentration detection system |
-
2022
- 2022-09-16 CN CN202211128801.7A patent/CN115541273B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5726575A (en) * | 1994-09-02 | 1998-03-10 | Gec Alsthom T & D Sa | Path for acquiring a voltage pulse, and a method and a system for measuring partial discharges and provided with such a path |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115541273A (en) | 2022-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102818337B (en) | Device for monitoring ground source heat pump system based on internet of things | |
| CN102539860B (en) | Multiple on-line electricity measuring method, multiple on-line electricity measuring system and electric equipment unit system | |
| CN109754195B (en) | Annual performance detection method of ground source heat pump system | |
| CN106123243A (en) | Air-conditioning device refrigeration capacity test method based on multidimensional curve fitting algorithm | |
| CN104654537A (en) | Fluorine lack detecting method and device for VRF (variable refrigerant flow) system | |
| CN109084408A (en) | Air-conditioning system efficiency on-line checking diagnositc analyser and method | |
| CN111486552A (en) | Method for identifying water supply temperature strategy of chilled water of air conditioner based on subentry metering data | |
| CN111780332A (en) | Household metering method and device for central air conditioner | |
| CN106931595A (en) | A kind of central air-conditioning coefficient of performance on-line analysis | |
| CN107607342B (en) | Healthy energy efficiency detection method for air conditioner room equipment group | |
| CN115541273B (en) | CO 2 Efficiency test platform for cold and hot combined supply module unit | |
| CN112381467A (en) | Artificial intelligence line loss analysis system based on big data of distribution station district total collection | |
| WO2018188430A1 (en) | Method for on-line detection of heating energy efficiency ratio and heating capacity of air conditioner | |
| CN108344528A (en) | A kind of multi-connected air conditioning system heat exchange measuring method and device | |
| CN113007869B (en) | Method for testing abnormal sound of air conditioner indoor unit caused by thermal expansion and cold contraction | |
| CN202305517U (en) | Simple engine tail gas emission test device | |
| CN109614677A (en) | A kind of nuclear power station flow system assignment of traffic test method of adjustment and system | |
| CN111520871A (en) | Energy saving rate testing method and system for energy saving modification of central air conditioning system | |
| CN111780355A (en) | Method and device for monitoring running state of air conditioner | |
| CN109973159A (en) | Determine the method and apparatus and machine readable storage medium of turbine low pressure cylinder flow | |
| CN202024886U (en) | Low-pressure cylinder efficiency measuring device for steam turbine | |
| CN109741210A (en) | A kind of wisdom industry integrated energy source management system | |
| CN115111703A (en) | Method, terminal and storage medium for detecting filth blockage of water-cooled air conditioner | |
| CN211982362U (en) | Air-cooled group control system suitable for data center precision air conditioner | |
| CN114048950A (en) | Health degree assessment method and system for wind turbine generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |