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WO2015024402A1 - Système d'autodiagnostic en ligne d'un chauffe-eau à pompe à chaleur, et procédé et dispositif de commande associés - Google Patents

Système d'autodiagnostic en ligne d'un chauffe-eau à pompe à chaleur, et procédé et dispositif de commande associés Download PDF

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Publication number
WO2015024402A1
WO2015024402A1 PCT/CN2014/078476 CN2014078476W WO2015024402A1 WO 2015024402 A1 WO2015024402 A1 WO 2015024402A1 CN 2014078476 W CN2014078476 W CN 2014078476W WO 2015024402 A1 WO2015024402 A1 WO 2015024402A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat pump
module
hot water
water heater
water machine
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.)
Ceased
Application number
PCT/CN2014/078476
Other languages
English (en)
Chinese (zh)
Inventor
王玉军
王颖
王天舒
杨奕
刘军
季忠海
孙永剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Tianshu Electric Appliance Co Ltd
Original Assignee
Jiangsu Tianshu Electric Appliance Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CN201310365329.3A external-priority patent/CN103454924B/zh
Priority claimed from CN201310364125.8A external-priority patent/CN103471866B/zh
Application filed by Jiangsu Tianshu Electric Appliance Co Ltd filed Critical Jiangsu Tianshu Electric Appliance Co Ltd
Priority to DE112014000324.7T priority Critical patent/DE112014000324B4/de
Publication of WO2015024402A1 publication Critical patent/WO2015024402A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/104—Inspection; Diagnosis; Trial operation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/242—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/375—Control of heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F24D2200/123—Compression type heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/254—Room temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based

Definitions

  • the present invention relates to a mass detection control device for a fluid heater using a heat pump, and more particularly to an on-line self-crushing system for a heat pump water heater for a heat pump water heater and a control method and apparatus therefor.
  • the heat pump water heater has been recognized by the state and society for its many advantages such as energy saving, environmental protection, safety, etc.
  • the product market has broad prospects, and it has also revolutionized the replacement of traditional hot water equipment.
  • Domestic large and small water heaters And air-conditioning equipment companies have joined the field.
  • some small and medium-sized enterprises do not have the necessary R&D, production and quality inspection capabilities, the products produced by such enterprises are put into the market, resulting in unstable product quality and poor energy-saving effects, causing adverse consequences for consumers.
  • the development of the entire heat pump hot water machine market has brought about a great negative impact.
  • the quality control level of some parts manufacturers of heat pump water heaters is also very good, and the quality of the heat pump hot water machine is difficult to ensure.
  • ZL200910192560. 0 Authorization announcement number CN101692020B discloses an air conditioning heat exchanger detection system, comprising a low pressure circulation tank, a liquid supply pump and a heat exchanger to be tested, wherein the low pressure circulation tank passes through the indoor input pipe and the indoor output pipe respectively The input end and the output end of the tested heat exchanger are connected, and the liquid feeding pump is located between the low pressure circulating tank and the indoor input pipe, and the low pressure circulating tank is connected to the outdoor unit of the air conditioner through the outdoor output pipe and the return air pipe, which is characterized by low pressure
  • a float ball valve for controlling the amount of refrigerant delivery of the outdoor output pipe is arranged at the junction of the circulation tank and the outdoor output pipe, and the float ball valve is in the low pressure circulation tank;
  • the invention detection system is used in combination with a coma or heat balance laboratory, and can be quickly Compare the heat transfer performance of different heat exchangers.
  • the invention is mainly used for the heat exchanger performance detection of the heat pump system,
  • Chinese invention patent application "air-cooled heat pump test system” (Chinese invention patent application number 201310096998.5, publication number CN103175706A) discloses an air-cooled heat pump test system, which is equipped with an air treatment box inside the test chamber environmental chamber and external heat balance Water tank. Through the distribution and balance of the cold heat between the tested unit, the external cold source and the cold heat source, the air cooler in the air treatment tank, and the heat balance water tank, the water supply requirements in different temperature zones are realized. During the test, the temperature and humidity control of the entire environmental system does not require an additional heat source input, which is achieved only by adjusting the flow of refrigerant water into the test chamber air handling tank.
  • the inlet air temperature of the condenser can be independently controlled. In the season when the outdoor temperature is low, only the air volume entering and leaving the test chamber can be controlled to control the unit. Working conditions, saving 50% of the unit test energy consumption.
  • the system can be used for both product development and testing, as well as for performance testing of the unit under test of the air-cooled heat pump production line. However, since the system uses the environmental chamber to achieve the performance test of the heat pump unit under test, the technical problem of online quality inspection of the heat pump water heater product cannot be solved. Summary of the invention
  • the object of the present invention is to provide an on-line self-breaking system for a heat pump hot water machine, which uses the heat pump water heater controller to obtain the measured data of the variable working condition, and compares with the basic data of the variable working condition in the database to realize the heat pump. Automated online quality inspection of hot water machine to solve the technical problems of online quality inspection of heat pump hot water machine products.
  • the technical solution adopted by the present invention to solve the above technical problem is a hot-pump hot water machine online self-cracking system, which is used for fault detection and judgment of online product quality inspection and product after-sales service of the heat pump hot water machine production line
  • the heat pump water heater comprises a compressor, a water-cooled condenser, an evaporator and a water tank connected to the water-cooled condenser, and a heat pump water heater controller for controlling the operation of the unit, wherein the heat pump hot water machine is online
  • the breaking system includes a self-breaking control device, a high-pressure side pressure detecting module, a low-pressure side pressure detecting module, a power supply electric energy detecting module, a water quantity detecting and adjusting module and a database management system;
  • the high-pressure side pressure detecting module is connected to the high-pressure pipeline of the compressor, and the low-pressure side pressure detecting module is connected to the low-pressure pipeline of the compressor, and the power-supply electric energy detecting module is connected to the power inlet of the heat pump hot water machine.
  • the water quantity detecting and adjusting module is connected to the cold water inlet of the heat pump water heater;
  • the self-breaking control device includes a data analysis unit, a quality inspection control terminal, and an ambient temperature detection module. And heat pump water heater interface unit;
  • the quality inspection control terminal and the ambient temperature detection module are connected to the data analysis unit; the data analysis unit is connected to the database management system, and accesses the heat pump hot water machine variable working condition operation database through the database management system; the heat pump water heater controller
  • the RS485 interface module is provided; the data analysis unit establishes a two-way communication connection with the RS485 interface module of the heat pump water heater controller through the heat pump hot water machine interface unit; the high pressure side pressure detecting module and the low pressure side pressure
  • the detection module, the power supply detection module and the water quantity detection adjustment module are connected to the data analysis unit through a heat pump water heater interface unit.
  • a preferred technical solution of the on-line self-interrupting system of the heat pump water heater of the present invention is characterized in that the self-cracking control device is provided with a network interface module, and the self-cracking control device passes the The network interface module is connected to a local or remote database management system.
  • a better technical solution of the on-line self-breaking system of the heat pump hot water machine of the invention is characterized in that the high-pressure side pressure detecting module, the low-pressure side pressure detecting module, the power supply electric energy detecting module and/or the water quantity detecting and adjusting module It is a function module of the heat pump water heater controller, and the data analysis unit is connected to the function module corresponding to the heat pump water heater controller through the RS485 interface module connected to the heat pump water heater interface unit, and obtains corresponding changes. Working conditions are measured.
  • Another object of the present invention is to provide an on-line self-breaking control method for a heat pump hot water machine, which can realize the process control of the heat pump hot water machine quality inspection by the self-breaking control device of the heat pump hot water machine product.
  • the technical solution adopted by the present invention to solve the above technical problem is a method for online self-interruption control of a heat pump hot water machine for the above-mentioned hot-pumping hot water machine online self-crushing system, which is characterized in that the following steps are included -
  • S3 Compare the measured data of the variable working condition with the basic data of the variable working condition in the variable working condition database, and determine whether the quality of the heat pump hot water is qualified according to the quality judgment condition.
  • S110 Perform analysis and calculation on the operating state of the variable working condition of the heat pump and the hot water machine, and obtain design theoretical data of the operation of the variable working condition
  • S120 Trial production of a small batch test prototype of a heat pump hot water machine, and a coma experiment under a variable environment condition for a small batch test prototype
  • S140 Combine product design parameters and product quality standards to determine basic data and quality judgment conditions for variable operating conditions
  • An improved technical solution for the online self-interrupting control method of the heat pump hot water machine of the present invention is characterized in that the basic data of the variable working condition and the measured data of the variable working condition include the ambient dry bulb temperature and the ambient wet bulb temperature. , inlet water temperature, outlet water temperature, water flow rate, exhaust gas temperature, suction temperature and fin temperature, as well as high pressure side pressure, low pressure side pressure, supply voltage, current and power.
  • a third object of the present invention is to provide an on-line self-interrupting control device for a heat pump hot water machine using the above-described heat pump hot water machine online self-crushing system, and the technical solution adopted by the present invention to solve the above technical problems is -
  • the online self-breaking control device for the heat pump hot water machine of the above-mentioned heat pump hot water machine online self-breaking system is connected to the heat pump hot water machine controller and the database management system, characterized in that - the online self-breaking control device Including data analysis unit, quality inspection control terminal, ambient temperature detection module, heat pump water heater interface unit, high pressure side pressure detection module, low pressure side pressure detection module, power supply energy detection module and water quantity detection adjustment module;
  • the quality inspection control terminal and the ambient temperature detection module are connected to the data analysis unit;
  • the data analysis unit is connected to the database management system, and accesses the heat pump hot water machine variable working condition operation database through the database management system;
  • the heat pump water heater controller is provided with an RS485 interface module; the data analysis unit establishes a two-way communication connection with the RS485 interface module of the heat pump water heater controller through a heat pump water heater interface unit;
  • the high pressure side pressure detecting module, the low pressure side pressure detecting module, the power supply electric energy detecting module and the water quantity detecting and adjusting module are connected to the data analyzing unit through a heat pump hot water machine interface unit.
  • a preferred technical solution of the on-line self-interrupting control device for the heat pump hot water machine of the present invention is characterized in that the online self-interrupting control device is provided with a network interface module, and the online self-interrupting control device passes The network interface module is connected to a local or remote database management system.
  • a better technical solution of the on-line self-interrupting control device of the heat pump hot water machine of the invention is characterized in that the high-pressure side pressure detecting module, the low-pressure side pressure detecting module, the power supply electric energy detecting module and/or the water quantity detecting and adjusting
  • the module is a function module of the heat pump water heater controller, and the data analysis unit is connected to a function module corresponding to the heat pump water heater controller through an RS485 interface module connected to the heat pump water heater interface unit, and obtains corresponding items.
  • the measured data is run under variable operating conditions.
  • the on-line self-breaking system of the heat pump hot water machine of the invention and the control method and device thereof provide a test basis for the on-line self-twisting technology of the heat pump hot water machine by establishing a running database of the heat pump hot water machine, and is a heat pump hot water machine.
  • the quality inspection automation has established a reliable foundation; the product is automatically judged by the computer to be qualified, instead of manual judgment, the judgment is more accurate, the product quality can be guaranteed, and the degree of intelligence is higher.
  • the online self-breaking system of the heat pump hot water machine of the invention and the control method and device thereof can be applied to the after-sales service of the product, and can assist the after-sales personnel or the dealer to judge whether the product is in a normal working state, and at the same time, the faulty unit is faulty.
  • the cause of the fault and the location of the fault can be quickly identified.
  • FIG. 1 is a schematic diagram of a self-cracking control device of an on-line self-crushing system of a heat pump water heater according to the present invention
  • FIG. 2 is a schematic view showing a configuration of an online self-crushing system of a heat pump water heater according to the present invention
  • Figure 3 is a control flow chart of the online self-shutdown system of the heat pump water heater;
  • Figure 4 is a schematic diagram showing the structure of the basic data table of the heat pump hot water machine operating condition database.
  • 100-heat pump hot water machine 110-compressor, 120-water-cooled condenser, 130-throttle, 140-evaporator, 150-gas-liquid separator, 160-water tank, 170 - hot water booster pump, 180-circulation pump, 190-heat pump hot water controller, 200- self-breaking control device, 211-data analysis unit, 212-quality control terminal, 213-ambient temperature detection module, 220 - Heat pump water heater interface unit, 221-RS485 interface module, 222-high pressure side pressure detection module, 223- low pressure side pressure detection module, 224-power supply energy detection module, 225-water quantity detection adjustment module, 230-network interface module, 300-Database Management System.
  • the on-line self-breaking system of the heat pump hot water machine of the invention can be used for online product quality inspection of the heat pump hot water machine production line, and can also be used for fault detection and judgment of product after-sales service, according to the embodiment shown in Fig. 2,
  • the heat pump hot water machine 100 includes a heat pump system including a compressor 110, a water-cooled condenser 120, a throttle 130, an evaporator 140, and a gas-liquid separator 150.
  • the water-cooled condenser 120 is connected to the water tank 160, the hot water booster pump 170, and the circulation pump 180.
  • the water heating circuit, and the heat pump water heater controller 190 for controlling the operation of the unit.
  • the on-line self-crushing system of the heat pump hot water machine of the present invention comprises a self-interrupting control device 200, a high-pressure side pressure detecting module 222, a low-pressure side pressure detecting module 223, a power supply electric energy detecting module 224, a water quantity detecting and adjusting module 225 and a database management system 300. ;
  • the high-pressure side pressure detecting module 222 is connected to the high-pressure line of the compressor 110, and the low-pressure side pressure detecting module 223 is connected to the low-pressure line of the compressor 110.
  • the power-supply electric energy detecting module 224 is connected to the power inlet of the heat pump hot water machine 100, and the water quantity is detected.
  • the conditioning module 250 is coupled to the cold water inlet of the heat pump water heater 100.
  • FIG. 1 An embodiment of the self-interrupting control device 200 of the hot-pumping hot water machine of the present invention is shown in FIG. 1 and includes a data analyzing unit 211, a quality control terminal 212, an ambient temperature detecting module 213, and a heat pump hot water machine.
  • the interface unit 220, and the network interface module 230; the data analysis unit 211 and the quality control terminal 212 may use an industrial control computer, or a portable computer or a tablet computer, especially for after-sales service personnel and dealers, using a portable computer or tablet
  • the self-interrupting control device 200 built by the computer is more convenient for the after-sales personnel or the dealer to detect and judge whether the product is in a normal working state on the spot, and can find the fault cause and the fault location in time for the faulty unit.
  • the quality inspection control terminal 212 and the ambient temperature detection module 213 are connected to the data analysis unit 211; the data analysis unit 211 is connected to the database management system 300 through the network interface module 230, through the database.
  • the management system 300 accesses the heat pump hot water machine operating condition database.
  • the database management system 300 can be a database management system placed at the production line site or a remote database management system located at the corporate headquarters. Especially when the self-cracking system of the present invention is used for fault detection and judgment of after-sales service of the heat pump water heater product, the technical solution of accessing the remote database management system located at the enterprise headquarters is a better choice.
  • the heat pump water heater controller 190 is provided with an RS485 interface module 221; the data analysis unit 211 establishes a two-way communication connection with the RS485 interface module 221 of the heat pump water heater controller 190 through the heat pump water heater interface unit 220; The control sensor of the hot water machine controller 190 itself acquires the measured data of the operating conditions of the inlet water temperature, the outlet water temperature, the exhaust gas temperature, the intake temperature, and the fin temperature of the heat pump water heater 100.
  • the high-pressure side pressure detecting module 222, the low-pressure side pressure detecting module 223, the power supply electric energy detecting module 224 and the water quantity detecting and adjusting module 225 are connected to the data analyzing unit 211 through the heat pump hot water machine interface unit 220; obtaining the ambient dry bulb temperature and the environment wet Measured data of ball temperature, water flow, high pressure side pressure, low pressure side pressure, supply voltage, current and power.
  • the heat pump water heater controller 190 itself has been configured with a high-pressure side pressure detecting module 222, a low-pressure side pressure detecting module 223, a power-supply power detecting module 224, and/or a water amount detecting and adjusting module 225.
  • the function module in this case, the data analysis unit 211 of the online hot-sweeping system of the heat pump hot water machine of the present invention can directly pass the heat pump hot water through the RS485 interface module 221 connected to the heat pump water heater interface unit 220.
  • the function module corresponding to the machine controller 190 acquires the measured data of the corresponding operating conditions such as the water flow rate, the high pressure side pressure, the low pressure side pressure, the supply voltage, the current, and the power.
  • the online self-breaking control method for a heat pump hot water machine of the present invention comprises the following steps -
  • the measured data obtained by the function module of the water machine controller does not need to be separately configured with a test environment and a detection instrument dedicated to quality inspection.
  • the control sensor of the heat pump water heater controller 190 itself, the measured data of the operating conditions such as the inlet water temperature, the outlet water temperature, the exhaust gas temperature, the intake temperature, and the fin temperature of the heat pump water heater 100 are obtained.
  • S3 Compare the measured data of the variable working condition with the basic data of the variable working condition in the variable working condition database, and determine whether the quality of the heat pump hot water is qualified according to the quality judgment condition.
  • FIG. 3 An embodiment of the online self-interrupting control method of the heat pump water heater of the present invention is shown in FIG. 3, and includes the following Steps:
  • S210 Obtain operating environment data of the online self-shutdown system of the heat pump hot water machine, where the operating environment data includes a dry bulb temperature and a wet bulb temperature of the operating environment of the heat pump hot water to be tested;
  • S260 accessing the heat pump water heater controller 190, the high-pressure side pressure detecting module 222, the low-pressure side pressure detecting module 223, the power-supply power detecting module 224, and the water amount detecting and adjusting module 225 through the heat pump water heater interface unit 220, according to the basic data.
  • the on-line self-breaking test item determined by the table collects the measured data of the tested heat pump hot water machine item by item;
  • S300 Store the quality inspection result data of the tested heat pump water heater into the finished product information database.
  • the heat pump hot water machine of the present invention performs an online self-interrupting control method, and the variable operating condition running database is constructed according to the following steps -
  • S140 Combine product design parameters and product quality standards to determine basic data and quality judgment conditions for variable operating conditions
  • the same model of the heat pump hot water machine new product small batch trial production test sample 5, all sent to the ⁇ ⁇ laboratory for variable environmental conditions detection, small batch Production consistency verification.
  • the design theory data By comparing the five sets of experimental data detected by the five prototypes with the design theory data, if the experimental data is consistent with the theoretical data, it is determined that the theoretical data under the variable working condition is valid, and the theoretical data of the model product is used as the judgment model.
  • the experimentally verified basic data is classified, and the effective range and quality judgment conditions of the above basic data are determined according to the design parameters of the product and the deviation range specified in the national standard of the heat pump water heater, thereby establishing a heat pump water heater.
  • the variable operating mode is added to the database through the database management system, and the heat pump hot water machine operating condition database is constructed.
  • Figure 4 is an embodiment of the basic data table structure of the heat pump hot water machine variable operating condition database.
  • the basic data and operational measured data of the variable operating condition include ambient dry bulb temperature, ambient wet bulb temperature, inlet water temperature, outlet water temperature, water flow rate, exhaust gas temperature, intake temperature, and fins. Temperature, as well as high side pressure, low side pressure, supply voltage, current and power.
  • the quality judgment condition includes the following items -
  • the online self-crushing system of the heat pump hot water machine of the invention and the control method and device thereof provide a test basis for the on-line self-twisting technology of the heat pump hot water machine by establishing a variable operating table of the heat pump hot water machine; and controlling by the heat pump hot water machine The machine obtains the measured data of the variable working condition, and compares with the running basic data in the database to realize the automatic online quality inspection of the heat pump hot water machine.
  • the on-line self-breaking system of the heat pump water heater of the present invention and the control method and device thereof use the measured data obtained by the function module of the heat pump water heater controller, and the test environment equipment specially configured for the quality inspection system is omitted.
  • the detection instrument omits the connection between the quality inspection equipment and the hot water pump under test, which not only solves the technical problems of the online quality inspection of the heat pump hot water machine, but also ensures the quality of the heat pump hot water machine. Greatly reduce the cost of product quality inspection.
  • the technical solution can be applied to the design and manufacture of a fluid heater using a heat pump, and provides an online self-breaking system and a control method thereof for quality detection control of a heat pump fluid heater, which can be widely applied to industrial production of heat pump water heater equipment.
  • the process detection control can also be used in the product after-sales service department to judge whether the product is in a normal working state, and to quickly determine the fault cause and fault location of the faulty unit.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

La présente invention concerne un système d'autodiagnostic en ligne d'un chauffe-eau à pompe à chaleur, qui concerne un dispositif de détection et de contrôle de la qualité d'un chauffe-eau utilisant une pompe à chaleur. Le système comprend un dispositif de commande d'autodiagnostic (200), un module de détection de pression du côté haute pression (222), un module de détection de pression du côté basse pression (223), un module de détection d'énergie électrique d'alimentation (224), un module de détection et d'ajustement de quantité d'eau (225) et un système de gestion de bases de données (300). Le dispositif de commande d'autodiagnostic (200) comprend une unité d'analyse de données (211), un terminal de commande de test de qualité (212), un module de détection de température ambiante (213) et une unité d'interface de chauffe-eau à pompe à chaleur (220). Le terminal de commande de test de qualité (212) et le module de détection de température ambiante (213) sont connectés à l'unité d'analyse de données (211); l'unité d'analyse de données (211) est connectée au système de gestion de bases de données (300); et l'unité d'analyse de données (211) acquiert des données de fonctionnement de paramètres variables réellement mesurés au moyen d'un organe de commande de chauffe-eau à pompe à chaleur (190). Au moyen de la comparaison de données de fonctionnement de paramètres variables basiques dans une base de données de fonctionnement de paramètres variables du chauffe-eau à pompe à chaleur doté de celle-ci, le système d'autodiagnostic en ligne diagnostique automatiquement si un produit est qualifié ou non à la place d'une évaluation manuelle, de sorte que l'évaluation soit plus précise, et par conséquent, que la qualité de l'ensemble du chauffe-eau à pompe à chaleur puisse être assurée, et que les coûts de test de qualité des produits puissent être également fortement réduits. L'invention concerne en outre un procédé de commande d'autodiagnostic en ligne pour un chauffe-eau à pompe à chaleur et un dispositif de commande d'autodiagnostic en ligne pour un chauffe-eau à pompe à chaleur.
PCT/CN2014/078476 2013-08-20 2014-05-27 Système d'autodiagnostic en ligne d'un chauffe-eau à pompe à chaleur, et procédé et dispositif de commande associés Ceased WO2015024402A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112014000324.7T DE112014000324B4 (de) 2013-08-20 2014-05-27 Online-Selbstdiagnosesystem für einen Wärmepumpen-Wassererhitzer und Steuerverfahren und -gerät dafür

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201310365329.3A CN103454924B (zh) 2013-08-20 2013-08-20 一种热泵热水机在线自诊断控制方法及其控制装置
CN201310365329.3 2013-08-20
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CN114185375A (zh) * 2021-12-06 2022-03-15 安徽新科水处理设备有限公司 一种用于饮水台的水温监测控制系统
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