CN103278193A - Inspection method and device of coefficient of performance of air conditioning heat pump unit - Google Patents
Inspection method and device of coefficient of performance of air conditioning heat pump unit Download PDFInfo
- Publication number
- CN103278193A CN103278193A CN2013101583949A CN201310158394A CN103278193A CN 103278193 A CN103278193 A CN 103278193A CN 2013101583949 A CN2013101583949 A CN 2013101583949A CN 201310158394 A CN201310158394 A CN 201310158394A CN 103278193 A CN103278193 A CN 103278193A
- Authority
- CN
- China
- Prior art keywords
- performance
- coefficient
- heat pump
- pump unit
- unit
- 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.)
- Pending
Links
Images
Abstract
The invention discloses an inspection method and device of coefficient of performance of an air conditioning heat pump unit. The inspection method of the coefficient of performance of the air conditioning heat pump unit comprises the following steps of: A. utilizing a three-phase smart meter to acquire the electrical parameters of an air conditioning unit and input the electrical parameters to a network controller; B. utilizing two calorimeters to respectively acquire the thermodynamic data of a user side and a heat source side of the air conditioning unit, and transfer the thermodynamic data to the network controller through a gateway; and C. sending the received electrical parameters and thermodynamic data to a computer by the network controller, storing, analyzing and processing the data by the computer to generate the value of the coefficient of performance of the air conditioning heat pump unit. According to the inspection method and device provided by the invention, the measurement accuracy can be improved, the labor intensity is reduced, and the coefficient of performance and other parameters of the unit are displayed in real time. The operation state of the unit is clear at a glance, and the inspection device can be used for diagnosing the operation fault of the unit so as to perform fault analysis.
Description
Technical field
The invention belongs to the air conditioner and heat pump unit technical field, be specifically related to a kind of air conditioner and heat pump unit coefficient of performance method for inspecting and device.
Background technology
(Coefficient Of Performance COP) is one of most important parameter index of air conditioner and heat pump unit to the coefficient of performance, and this numerical value has determined the work efficiency of air-conditioning unit.At present, by after the power consumption and refrigerating capacity or heating capacity that calculate the air-conditioning unit respectively, handle drawing performance demands numerical value during this commercial measurement, the shortcoming of existence is: (1) hand dipping precision is not high; (2) hand-kept data, labour intensity is big; (3) can't directly show the real-time performance coefficient value.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of air conditioner and heat pump unit coefficient of performance method for inspecting and device of measuring accurate, convenient and real-time demonstration.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Air conditioner and heat pump unit coefficient of performance method for inspecting may further comprise the steps:
A. utilize the three-phase intelligent ammeter to gather the parameters of electric power of air-conditioning unit, and it is inputed to network controller;
B. utilize two calorimeters to gather user's side of air-conditioning unit and the heating power data of heat source side respectively, and these heating power data are sent to network controller by gateway;
C. network controller is sent to computing machine with parameters of electric power and the heating power data that receive, and by computing machine these data is stored, is analyzed and handle, and generates the performance demands numerical value of air conditioner and heat pump unit.
Wherein, in the described steps A, split core type current transformer and alligator forceps are installed on the three-phase intelligent ammeter; The parameters of electric power of gathering comprises three-phase current, three-phase voltage, three phase electric power, power factor and electric degree number.
Wherein, among the described step B, calorimeter comprises thermopair and ultrasonic flow meter, and the heating power data of collection comprise supply and return water temperature, confession circling water flow rate, supply heat, user's side thermal power, the heat source side thermal power of backwater; At first the heat-insulation layer on the tube wall is extractd, the polishing tube wall pastes clothes on tube wall with thermopair afterwards, heat-insulation layer is wrapped again cling at last; The probe of ultrasonic flow meter adopts V method or Z method to install.
Wherein, among the described step B, described calorimeter is connected by the RS485 interface with gateway.
Wherein, among the described step C, the coefficient of performance that computing machine generates comprises unit performance coefficient and system performance coefficient; Wherein: the unit performance coefficient equals the operating load rate greater than 80% one hour unit heating capacity or the ratio of refrigerating capacity and power consumption; The system performance coefficient equals the ratio of 48 hours heating capacity of unit and unit and water pump power consumption sum.
Air conditioner and heat pump unit coefficient of performance inspection device comprises three-phase intelligent ammeter, two calorimeters, gateway, network controller and computing machines; An input end of the output termination network controller of described three-phase intelligent ammeter; The output terminal of described calorimeter connects another input end of network controller through gateway; The output termination input end and computer of network controller.
Wherein, on the described three-phase intelligent ammeter split core type current transformer and alligator forceps are installed; The parameters of electric power of gathering comprises three-phase current, three-phase voltage, three phase electric power, power factor and electric degree number.
Wherein, described calorimeter comprises and pastes thermopair and the probe ultrasonic flow meter that adopt V method or Z method install of clothes on tube wall, and the heating power data of collection comprise supply and return water temperature, for circling water flow rate, for heat, user's side thermal power, the heat source side thermal power of backwater.
Wherein, described calorimeter is connected by the RS485 interface with gateway.
The beneficial effect that adopts technique scheme to produce is:
(1) split core type current transformer and alligator forceps are convenient to installing/dismounting, saved the test duration greatly, and the acquisition precision height, satisfy test request, easy to carry;
(2) automatic data collection, the precision height;
(3) automatic record data are saved cost of labor;
(4) can show the coefficient of performance of air-conditioning unit in real time, show power consumption, realtime power, real-time current, real-time voltage, the power factor of air-conditioning unit; The real-time water temperature of explicit user side and heat source side, parameters such as flow, heat, the temperature difference, thermal power, to the ruuning situation of unit on top of;
(5) can draw the operation curve of the various parameters of unit by software, temperature curve is analyzed the energy-conservation situation of unit, proposes rational operating scheme.
The present invention can improve measuring accuracy, reduces labour intensity, shows various parameters such as unit performance coefficient in real time.Very clear to the unit operation situation, can be used for diagnosis unit operation troubles, thereby carry out fault analysis, also can be used for portable energy consumption monitoring, monitoring is carried out energy-saving analysis with the power consumption situation of energy equipment.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of air conditioner and heat pump unit coefficient of performance inspection device of the present invention.
Embodiment
Air conditioner and heat pump unit coefficient of performance method for inspecting of the present invention may further comprise the steps:
A. utilize the three-phase intelligent ammeter to gather the parameters of electric power of air-conditioning unit, and it is inputed to network controller;
B. utilize two calorimeters to gather user's side of air-conditioning unit and the heating power data of heat source side respectively, and these heating power data are sent to network controller by gateway;
C. network controller is sent to computing machine with parameters of electric power and the heating power data that receive, and by computing machine these data is stored, is analyzed and handle, and generates the performance demands numerical value of air conditioner and heat pump unit.
Wherein, in the described steps A, split core type current transformer and alligator forceps are installed on the three-phase intelligent ammeter; The parameters of electric power of gathering comprises three-phase current, three-phase voltage, three phase electric power, power factor and electric degree number.
Wherein, among the described step B, described calorimeter comprises thermopair and ultrasonic flow meter, and the heating power data of collection comprise supply and return water temperature, confession circling water flow rate, supply heat, user's side thermal power, the heat source side thermal power of backwater; At first the heat-insulation layer on the tube wall is extractd, the polishing tube wall pastes clothes on tube wall with thermopair afterwards, heat-insulation layer is wrapped again cling at last; The probe of ultrasonic flow meter adopts V method or Z method to install.
Wherein, among the described step B, calorimeter is connected by the RS485 interface with gateway.
Wherein, among the described step C, the performance demands numerical value that computing machine generates comprises unit performance coefficient and system performance coefficient; Wherein: the unit performance coefficient equals the operating load rate greater than 80% one hour unit heating capacity or the ratio of refrigerating capacity and power consumption; The system performance coefficient equals the ratio of 48 hours heating capacity of unit and unit and water pump power consumption sum.
As shown in Figure 1, air conditioner and heat pump unit coefficient of performance inspection device of the present invention comprises three-phase intelligent ammeter, two calorimeters, gateway, network controller and computing machines; The input end of three-phase intelligent ammeter is equipped with split core type current transformer and alligator forceps, and the parameters of electric power of collection comprises three-phase current, three-phase voltage, three phase electric power, power factor and electric degree number; An input end of the output termination network controller of three-phase intelligent ammeter; Calorimeter comprises thermopair and ultrasonic flow meter, the model of calorimeter is TDS-100P, thermopair pastes clothes on tube wall, the probe of ultrasonic flow meter adopts V method or Z method to install, and the heating power data of collection comprise supply and return water temperature, confession circling water flow rate, supply heat, user's side thermal power, the heat source side thermal power of backwater; The output terminal of calorimeter connects another input end of network controller through gateway, and calorimeter is connected by the RS485 interface with gateway; The output termination input end and computer of network controller.
Computing machine is to the processing of data:
(1) show air conditioner and heat pump unit performance demands numerical value in real time, this value has reflected the heating efficiency of air-conditioning unit.During summer, user's side thermal power is obtained performance demands numerical value divided by air-conditioning unit power input; In winter, obtain performance demands numerical value with the heat source side thermal power divided by air-conditioning unit power input.
Greater than 80% one hour unit operation situation, get that it heats, cold/power consumption=unit performance coefficient by record operating load rate.
By recording heating capacity/(unit power consumption+water pump power consumption)=system performance coefficient of 48 hours.
(2) show the various parameters of electric power of unit and water pump in real time: three-phase voltage, three-phase current, the meritorious electric power of three-phase, three phase reactive power, three-phase activity coefficient, the three-phase electricity number of degrees.
(3) curve plotting: by analytical database, can draw the water temperature change curve of circulation side (user's side) and heat source side; Draw unit real-time performance coefficient curve, system performance coefficient curve, three-phase voltage change curve, three-phase current change curve.
(4) draw histogram, by the setting-up time scope, can draw every month of each consumer in this time period, every day, the electric degree histogram when per; Can draw air-conditioning unit in this time period for the heat every month on return pipe road, every day, heat histogram when per.
(5) go out test and evaluation report, according to the relevant guide rule requirement of country, by new construction, input correlation engineering information after finishing test, can generate test and evaluation report automatically, satisfies the guide rule requirement.
Claims (9)
1. air conditioner and heat pump unit coefficient of performance method for inspecting, its feature may further comprise the steps:
A. utilize the three-phase intelligent ammeter to gather the parameters of electric power of air-conditioning unit, and it is inputed to network controller;
B. utilize two calorimeters to gather user's side of air-conditioning unit and the heating power data of heat source side respectively, and these heating power data are sent to network controller by gateway;
C. network controller is sent to computing machine with parameters of electric power and the heating power data that receive, and by computing machine these data is stored, is analyzed and handle, and generates the performance demands numerical value of air conditioner and heat pump unit.
2. air conditioner and heat pump unit coefficient of performance method for inspecting according to claim 1 is characterized in that: in the described steps A, split core type current transformer and alligator forceps are installed on the three-phase intelligent ammeter; The parameters of electric power of gathering comprises three-phase current, three-phase voltage, three phase electric power, power factor and electric degree number.
3. air conditioner and heat pump unit coefficient of performance method for inspecting according to claim 1, it is characterized in that: among the described step B, calorimeter comprises thermopair and ultrasonic flow meter, and the heating power data of collection comprise supply and return water temperature, confession circling water flow rate, supply heat, user's side thermal power, the heat source side thermal power of backwater; At first the heat-insulation layer on the tube wall is extractd, the polishing tube wall pastes clothes on tube wall with thermopair afterwards, heat-insulation layer is wrapped again cling at last; The probe of ultrasonic flow meter adopts V method or Z method to install.
4. air conditioner and heat pump unit coefficient of performance method for inspecting according to claim 1, it is characterized in that: among the described step B, calorimeter is connected by the RS485 interface with gateway.
5. air conditioner and heat pump unit coefficient of performance method for inspecting according to claim 1 is characterized in that: among the described step C, the performance demands numerical value that computing machine generates comprises unit performance coefficient and system performance coefficient; Wherein:
The unit performance coefficient equals the operating load rate greater than 80% one hour unit heating capacity or the ratio of refrigerating capacity and power consumption;
The system performance coefficient equals the ratio of 48 hours heating capacity of unit and unit and water pump power consumption sum.
6. air conditioner and heat pump unit coefficient of performance inspection device, its feature comprises three-phase intelligent ammeter, two calorimeters, gateway, network controller and computing machines; An input end of the output termination network controller of described three-phase intelligent ammeter; The output terminal of described calorimeter connects another input end of network controller through gateway; The output termination input end and computer of network controller.
7. air conditioner and heat pump unit coefficient of performance inspection device according to claim 6 is characterized in that: on the described three-phase intelligent ammeter split core type current transformer and alligator forceps are installed; The parameters of electric power of gathering comprises three-phase current, three-phase voltage, three phase electric power, power factor and electric degree number.
8. air conditioner and heat pump unit coefficient of performance inspection device according to claim 6, it is characterized in that: described calorimeter comprises and pastes thermopair and the probe ultrasonic flow meter that adopt V method or Z method install of clothes on tube wall, and the heating power data of collection comprise supply and return water temperature, for circling water flow rate, for heat, user's side thermal power, the heat source side thermal power of backwater.
9. air conditioner and heat pump unit coefficient of performance inspection device according to claim 6, it is characterized in that: described calorimeter is connected by the RS485 interface with gateway.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101583949A CN103278193A (en) | 2013-05-02 | 2013-05-02 | Inspection method and device of coefficient of performance of air conditioning heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101583949A CN103278193A (en) | 2013-05-02 | 2013-05-02 | Inspection method and device of coefficient of performance of air conditioning heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103278193A true CN103278193A (en) | 2013-09-04 |
Family
ID=49060779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101583949A Pending CN103278193A (en) | 2013-05-02 | 2013-05-02 | Inspection method and device of coefficient of performance of air conditioning heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103278193A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137251A (en) * | 2015-10-09 | 2015-12-09 | 珠海格力电器股份有限公司 | Air conditioner and fault detection method, device and system thereof |
| CN109959413A (en) * | 2019-02-18 | 2019-07-02 | 北华大学 | Cooling tube plugging fault prediction meanss and method in a kind of water-cooled copper bar |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09236305A (en) * | 1996-02-29 | 1997-09-09 | Yamaha Motor Co Ltd | Remote monitor for gas engine heat pump air conditioner |
| CN101975673A (en) * | 2010-09-07 | 2011-02-16 | 区峰 | Central air-conditioning system energy efficiency real-time monitoring system and method |
| CN201828289U (en) * | 2010-10-26 | 2011-05-11 | 北京华清荣昊新能源开发有限责任公司 | Operating parameter monitor for ground source heat pump system |
| CN202149568U (en) * | 2011-06-24 | 2012-02-22 | 深圳市奥宇控制系统有限公司 | Cold-hot water set and central air-conditioning system |
| CN202328642U (en) * | 2011-11-25 | 2012-07-11 | 山东三江电子工程有限公司 | Central air conditioning energy-consumption monitoring system |
| CN102818337A (en) * | 2012-07-13 | 2012-12-12 | 华中科技大学 | Device for monitoring ground source heat pump system based on internet of things |
| CN203191001U (en) * | 2013-05-02 | 2013-09-11 | 河北省建筑科学研究院 | Air-conditioning heat pump unit performance coefficient inspection device |
-
2013
- 2013-05-02 CN CN2013101583949A patent/CN103278193A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09236305A (en) * | 1996-02-29 | 1997-09-09 | Yamaha Motor Co Ltd | Remote monitor for gas engine heat pump air conditioner |
| CN101975673A (en) * | 2010-09-07 | 2011-02-16 | 区峰 | Central air-conditioning system energy efficiency real-time monitoring system and method |
| CN201828289U (en) * | 2010-10-26 | 2011-05-11 | 北京华清荣昊新能源开发有限责任公司 | Operating parameter monitor for ground source heat pump system |
| CN202149568U (en) * | 2011-06-24 | 2012-02-22 | 深圳市奥宇控制系统有限公司 | Cold-hot water set and central air-conditioning system |
| CN202328642U (en) * | 2011-11-25 | 2012-07-11 | 山东三江电子工程有限公司 | Central air conditioning energy-consumption monitoring system |
| CN102818337A (en) * | 2012-07-13 | 2012-12-12 | 华中科技大学 | Device for monitoring ground source heat pump system based on internet of things |
| CN203191001U (en) * | 2013-05-02 | 2013-09-11 | 河北省建筑科学研究院 | Air-conditioning heat pump unit performance coefficient inspection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137251A (en) * | 2015-10-09 | 2015-12-09 | 珠海格力电器股份有限公司 | Air conditioner and fault detection method, device and system thereof |
| CN105137251B (en) * | 2015-10-09 | 2018-11-06 | 珠海格力电器股份有限公司 | The detection method of air conditioner and its failure, device and system |
| CN109959413A (en) * | 2019-02-18 | 2019-07-02 | 北华大学 | Cooling tube plugging fault prediction meanss and method in a kind of water-cooled copper bar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205246858U (en) | Electric energy metering device error checking appearance and long -range online calibration system | |
| CN201263082Y (en) | Apparatus for monitoring and analyzing generator excitation system state | |
| CN101980174B (en) | Method for automatically testing energy consumption of computer application program interval | |
| CN102095927B (en) | Energy-saving metering method for communication base station | |
| CN105465946A (en) | Method and system for energy consumption analysis of central air conditioner refrigeration station | |
| CN108320049B (en) | Numerically controlled lathe multi-station turning knife rest automatic tool changer energy consumption Accurate Prediction method | |
| CN101673363A (en) | Method and system for evaluating energy-consuming efficiency | |
| CN104749999A (en) | Accurate guidance system for optimizing operation of turbo generator group cold end system of assembly wet-type cooling tower | |
| CN102736055B (en) | The online test method of the three-phase intelligent ammeter accuracy of measuring | |
| CN103336735A (en) | On-line monitoring system for energy efficiency of blowers and water pumps | |
| CN109539480B (en) | Cold and hot load green energy-saving optimized dispatching system for distributed energy station | |
| CN105277383A (en) | Portable intelligent energy efficiency ratio determination system | |
| CN113655425A (en) | Metering point operation error monitoring method and system suitable for 10KV wiring line | |
| CN110736957B (en) | Online detection system and method for electric energy metering device based on clock synchronization | |
| CN105424174A (en) | Centralized solar hot water monitoring system | |
| CN103713632A (en) | User-side energy efficiency diagnosing and analyzing system | |
| CN203164381U (en) | Battery charging and discharging tester | |
| CN103278193A (en) | Inspection method and device of coefficient of performance of air conditioning heat pump unit | |
| CN102778473B (en) | Field detection method for thermal resistance of building envelope | |
| CN203191001U (en) | Air-conditioning heat pump unit performance coefficient inspection device | |
| CN212301736U (en) | Line loss detection equipment based on edge calculation | |
| CN103344937A (en) | Device and method for detecting power consumption of intelligent watt-hour meter | |
| CN105242219B (en) | A kind of method of auto-measuring DC voltage transfer efficiency | |
| CN104237697A (en) | Testing system for new energy automobile charging equipment | |
| CN203012041U (en) | Line loss detection apparatus and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130904 |