CN204374320U - A kind of electric cooker efficiency automatic testing equipment - Google Patents
A kind of electric cooker efficiency automatic testing equipment Download PDFInfo
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- CN204374320U CN204374320U CN201420788498.8U CN201420788498U CN204374320U CN 204374320 U CN204374320 U CN 204374320U CN 201420788498 U CN201420788498 U CN 201420788498U CN 204374320 U CN204374320 U CN 204374320U
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Abstract
The utility model discloses a kind of electric cooker efficiency automatic testing equipment, comprise: power meter, temperature controller, electronic scale, communication module, timer, thermostatted water system, discharging device and control system, described thermostatted water system comprises heating system and refrigeration system, described heating system is connected with refrigeration system, common composition water circulation system, for generating the thermostatted water needed for described electric cooker to be measured; Described control system comprises controller and data acquisition unit, described data acquisition unit is for gathering the measurement data of described power meter, described temperature controller, described communication module, described timer, described controller is used for the described measurement data according to collecting, and calculates the standby power of described electric cooker to be tested, the thermal efficiency and insulation energy consumption.The utility model can alleviate manual operation intensity, and measurement of correlation is automatically performed by instrument and survey instrument, raises the efficiency, and improves the accuracy of test.
Description
Technical field
The invention belongs to electric property detection technique field, the electric cooker efficiency automatic testing equipment of particularly a kind of test for the thermal efficiency in electric cooker efficiency detection field, standby power and insulation energy consumption.
Background technology
At present, for the proving installation of the thermal efficiency, standby power and insulation energy consumption testing that electric cooker efficiency detects, its principle is mainly according to standard-required, use instrument and the survey instruments such as power meter, temperature controller, timer and electronic scales, the heat obtained by the water measured in electric rice cooker heated in pot and the consuming electric power (amount) of electric cooker also measure the maximum holding state power of power consumption, and measure insulation power consumption and holding temperature and calculate the thermal efficiency, the standby power of electric cooker and be incubated energy consumption.
But existing proving installation is artificial operational testing device, comprise the monitoring of producing, heating rear water temperature of the uniform temperature water in interior pot, power meter detection, holding temperature monitoring and manually calculate the thermal efficiency, standby power and insulation energy consumption.Practice shows, it exists multinomial shortcoming, and such as, measurement of correlation must by manual control, and efficiency is lower and labour intensity is comparatively large, and the accuracy of test result is larger with manually-operated fluctuation.
Summary of the invention
Problems such as the object of the present invention is to provide a kind of electric cooker efficiency automatic testing equipment, manual operation intensity is large, efficiency is low to solve, measurement result fluctuation is larger.
In order to solve the problem, the invention provides a kind of electric cooker efficiency automatic testing equipment, its technical scheme is: a kind of electric cooker efficiency automatic testing equipment, is characterized in that, comprising: power meter, for detecting the power of electric cooker to be measured; Temperature controller, for monitoring the temperature of the water in described electric cooker to be measured in pot; Electronic scales, for detecting the quality of the water in described electric cooker to be measured in pot; Communication module, is located on described electronic scales, detects the qualitative data of gained for exporting described electronic scales; Timer, for detecting the working time of described electric cooker to be measured; Water replanishing device, for providing water source; Thermostatted water system, be connected with described water replanishing device, described thermostatted water system comprises heating system and refrigeration system, described refrigeration system is used for cooling to produce cold water to the water that described water replanishing device provides, described heating system is connected with described refrigeration system, carries out heating the thermostatted water generated needed for described electric cooker to be measured with the cold water produced described refrigeration system; Discharging device, is connected with described thermostatted water system, for injecting thermostatted water to inner vessel for electrical cooking-vessel to be measured; And control system, described control system comprises controller and data acquisition unit, described data acquisition unit is for gathering the measurement data of described power meter, described temperature controller, described communication module, described timer, described controller is used for the described measurement data according to collecting, and calculates the standby power of described electric cooker to be measured, the thermal efficiency and insulation energy consumption.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, described heating system comprises: constant temperature water tank, for storing thermostatted water, described constant temperature water tank has water inlet, water delivering orifice, thermostatted water import, thermostatted water outlet, described water inlet is communicated with described water replanishing device, the inlet communication of described water delivering orifice and described refrigeration system, and described thermostatted water outlet is communicated with described discharging device; Water tank temperature sensor, is located in described constant temperature water tank, is connected with described data acquisition unit, for detecting the water temperature in described constant temperature water tank; Level sensor, is located in described constant temperature water tank, is connected with described data acquisition unit, for detecting the water level in described constant temperature water tank; And well heater, be connected with described refrigeration system and described constant temperature water tank, for generation of the thermostatted water needed for described electric cooker to be measured, and enter in described constant temperature water tank.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, it is characterized in that, described constant temperature water tank is also provided with gap.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, described refrigeration system comprises: water circulating pump solenoid valve, is connected with the water delivering orifice of described constant temperature water tank, for controlling conducting or the shutoff of water circulation between described constant temperature water tank and described refrigeration system; Water circulating pump, is connected with described water circulating pump solenoid valve and described plate type heat exchanger, for promoting water circulation between described constant temperature water tank and described refrigeration system; Plate type heat exchanger, is connected with described water circulating pump, for the water and refrigerant that come from described constant temperature water tank are carried out heat interchange, to generate cold water; Compressor, is connected with described plate type heat exchanger, for compressing the refrigerant after described plate type heat exchanger heat exchange, produces high pressure refrigerant; Condenser, is connected with described compressor, cools for the high pressure refrigerant produced described compressor; And expansion valve, be connected with described condenser and described plate type heat exchanger, for carrying out throttling to the refrigerant being flowed to described plate type heat exchanger by described condenser.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, described discharging device comprises: water injection pipe and water injecting electromagnetic valve, and described water injecting electromagnetic valve is connected with the constant-temperature effluent mouth of described constant temperature water tank, for controlling conducting or the shutoff of discharging thermostatted water to described inner vessel for electrical cooking-vessel; Described water injection pipe is connected with described water injecting electromagnetic valve, and described thermostatted water enters in described inner vessel for electrical cooking-vessel through described water injection pipe.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, described water injecting electromagnetic valve comprises: the first water injecting electromagnetic valve and the second water injecting electromagnetic valve, the water flux density of described first water injecting electromagnetic valve is than described second water injecting electromagnetic valve greatly to realize described first water injecting electromagnetic valve for the water flux density of coarse adjustment to described inner vessel for electrical cooking-vessel discharge thermostatted water, and described second water injecting electromagnetic valve discharges the water flux density of thermostatted water to described inner vessel for electrical cooking-vessel for finely tuning.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, described controller is PLC.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, also comprise: hummer, be connected with described controller, for sending different buzzers according to the instruction of described controller, to represent the different operating modes of this electric cooker efficiency automatic testing equipment.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, also comprise: input/output module, be connected with described controller, for input control order or parameter and export running status.
Preferably, in above-mentioned electric cooker efficiency automatic testing equipment, described well heater is electrothermal tube.
From upper analysis, the present invention can alleviate manual operation intensity, and measurement of correlation is automatically performed by instrument and survey instrument, raises the efficiency, and improves the accuracy of test.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is the isometric front view schematically showing electric cooker efficiency automatic testing equipment of the present utility model;
Fig. 2 is the rear isometric view schematically showing electric cooker efficiency automatic testing equipment of the present utility model;
Fig. 3 is the perspective elevation schematically showing electric cooker efficiency automatic testing equipment of the present utility model;
Fig. 4 is the physical construction sketch of electric cooker efficiency automatic testing equipment of the present utility model;
Fig. 5 is the circuit theory diagrams of electric cooker efficiency automatic testing equipment of the present utility model.
Number in the figure illustrates:
10 electric cookers to be measured, 11 inner vessel for electrical cooking-vessels, 12 power meters, 5 electronic scaless, 51 communication modules, 6 switch boards, 1 panel box, 2 refrigerating cabinets, 3 constant temperature water tanks, 31 level sensors, 32 water tank temperature sensors, 33 water inlets, 34 gaps, 35 water filling water pumps, 21 water circulating pumps, 4 discharging devices, 41 water injection pipes, 42 test probes (temperature controller), 22 well heaters, 211 compressors, 212 fans, 214 condensers, 216 plate type heat exchangers.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details.
As shown in Fig. 1 ~ 5, the electric cooker efficiency automatic testing equipment of this preferred embodiment at least comprises: power meter 12, temperature controller 42, electronic scales 5, the communication module 51 being arranged in electronic scales 5, timer, thermostatted water system, to be connected for the water replanishing device to thermostatted water system supplementing water, to be connected discharging device 4 from thermostatted water to inner vessel for electrical cooking-vessel to be detected and control system for injecting with described thermostatted water system with thermostatted water system, and electric cooker efficiency automatic testing equipment electric cooker has interior pot 11.
According to Energy Efficiency Standard requirement, thermostatted water is injected to inner vessel for electrical cooking-vessel, and undertaken heating and being incubated by electric cooker, use instrument and the survey instruments such as power meter, temperature controller, timer and electronic scales, by the highest water temperature after the quality of water in pot in measurement electric rice cooker heated and the temperature of initial water and test, with the consuming electric power of electric cooker, calculate the thermal efficiency of electric cooker; Measure the final power consumption after the initial power consumption of the electric cooker under keeping warm mode and test, and temperature retention time and calculate the insulation energy consumption of electric cooker; Under measuring holding state, the initial stand-by power consumption of electric cooker and the final stand-by power consumption after testing, and stand-by time, calculate the standby energy consumption of electric cooker.
In order to realize detecting robotization, this preferred embodiment adopts automatic thermostatted water system, automatically records data calculate and show result by computer.Thermostatted water system comprises heating system and refrigeration system, heating system is connected with refrigeration system, common composition water circulation system, in inner vessel for electrical cooking-vessel 11, thermostatted water is injected by discharging device for the thermostatted water that generates needed for inner vessel for electrical cooking-vessel 11 according to default, obtain the water source needed for thermostatted water system generation thermostatted water by water replanishing device, communication module 51 detects the qualitative data of gained for exporting electronic scales 5.Programmable logic controller (PLC) (PLC), data acquisition unit and transmitter, action button etc. is comprised in switch board 6, it is connected with temperature controller 42, power meter 12, thermostatted water system, communication module 51, for the data detected according to described power meter, calculate the standby power of electric cooker to be tested; And, according to the detection data of temperature controller 42, power meter 12, electronic scales 5, control thermostatted water system, and based on the thermostatted water that thermostatted water system is injected to inner vessel for electrical cooking-vessel 11, the thermal efficiency of measuring and calculating electric cooker 10, and electric cooker 10 is under keeping warm mode, according to the calculating data of temperature controller 42, power meter 12, the insulation energy consumption of measuring and calculating electric cooker 10.
Preferably, heating system comprises: constant temperature water tank, water tank temperature sensor, level sensor, well heater.Constant temperature water tank is for storing thermostatted water, it has water inlet, water delivering orifice, thermostatted water import, thermostatted water outlet, water inlet is communicated with the water source provided to receive water replanishing device with water replanishing device, the inlet communication of water delivering orifice and refrigeration system is to provide refrigeration object to refrigeration system: water, and thermostatted water outlet is communicated with discharging device.Water tank temperature sensor is located in constant temperature water tank, is connected with data acquisition unit, for detecting the water temperature in constant temperature water tank.Level sensor is located in constant temperature water tank, is connected with data acquisition unit, for detecting the water level in constant temperature water tank.Well heater is connected with refrigeration system and constant temperature water tank, for generation of the thermostatted water needed for electric cooker to be measured, and enters in constant temperature water tank.Well heater is preferably electrothermal tube.
Due to the finite capacity of constant temperature water tank, in reality test, in order to avoid the reasons such as level sensor inefficacy cause the water of constant temperature water tank to exceed the setting water yield, constant temperature water tank is also provided with gap, when the water level in constant temperature water tank exceedes gap position, water is flowed out by gap, avoids water and is overflowed by constant temperature water tank and cause working environment filthy.
Preferably, refrigeration system comprises: water circulating pump solenoid valve, water circulating pump, heat interchanger, compressor, condenser and expansion valve.Water circulating pump solenoid valve is connected with the water delivering orifice of constant temperature water tank, for controlling conducting or the shutoff of water circulation between constant temperature water tank and refrigeration system.Water circulating pump is connected with water circulating pump solenoid valve and heat interchanger, for promoting water circulation between constant temperature water tank and refrigeration system.Heat interchanger is connected with water circulating pump and is used for the water and refrigerant that come from constant temperature water tank to carry out heat interchange to generate cold water.Compressor is connected with heat interchanger, for compressing to produce high pressure refrigerant to the refrigerant after heat interchanger heat exchange.Condenser is connected with compressor, cools for the high pressure refrigerant produced compressor.Expansion valve is connected with condenser and heat interchanger, for carrying out throttling to the refrigerant being flowed to heat interchanger by condenser.In order to improve heat exchange efficiency, and make heat exchanger structure simple, take up room little, heat interchanger is preferably plate type heat exchanger.
Preferably, discharging device comprises water injection pipe and water injecting electromagnetic valve, and water injecting electromagnetic valve is connected with the constant-temperature effluent mouth of constant temperature water tank, for controlling conducting or the shutoff of discharging thermostatted water to inner vessel for electrical cooking-vessel.Water injection pipe is connected with water injecting electromagnetic valve, and thermostatted water to enter in electric cooker in pot through water injection pipe.
Water replanishing device comprises: moisturizing solenoid valve and filling pipe, and moisturizing solenoid valve is connected with the water inlet of constant temperature water tank, and for controlling conducting to described constant temperature water tank moisturizing or shutoff, filling pipe is connected with moisturizing solenoid valve.In reality, filling pipe can be connected with running water tap; Can also be connected with small pump, small pump is connected with water tank.
In order to effectively control the water yield being drained into the thermostatted water in inner vessel for electrical cooking-vessel to be measured by constant temperature water tank, water injecting electromagnetic valve comprises: the first water injecting electromagnetic valve and the second water injecting electromagnetic valve, first water injecting electromagnetic valve is used for thermostatted water is discharged in water flux density from coarse adjustment to inner vessel for electrical cooking-vessel, second water injecting electromagnetic valve discharges the water flux density of thermostatted water to inner vessel for electrical cooking-vessel for finely tuning, the water flux density of the first water injecting electromagnetic valve is larger than the water flux density of the second water injecting electromagnetic valve.In reality, water injection pipe comprises the first water injection pipe and the second water injection pipe, first water injection pipe is connected with the first water injecting electromagnetic valve, and the second water injection pipe is connected with the second water injecting electromagnetic valve, during application, first open the first water injecting electromagnetic valve, inject large water gaging fast to inner vessel for electrical cooking-vessel, when the water in electric cooker close on water yield value is set time, close the first water injecting electromagnetic valve, and open the second water injecting electromagnetic valve, thus the water realized in electric cooker is for arranging water yield value.
For the ease of understanding the operating mode of this preferred embodiment in time, this preferred embodiment also comprises hummer 7, and it is connected with controller, for sending different buzzers according to the instruction of controller.
More preferably, this preferred embodiment also comprises input/output module 60, and it is connected with controller, for input control order or parameter and export running status.
In reality, for the ease of movement and the use of this electric cooker efficiency automatic testing equipment, the electric cooker efficiency automatic testing equipment of the utility model preferred embodiment is assembled in the erecting device comprising switch board 6, panel box 1 and refrigerating cabinet 2, can be furnished with power meter and timer in switch board 6; Constant temperature water tank, level sensor and water tank temperature sensor can be furnished with in panel box; Can be furnished with refrigeration system and well heater in refrigerating cabinet, in other examples, can also adopt other arrangements, the present embodiment does not limit this.Preferably, the direction is from top to bottom connected successively for switch board 6, panel box 1 and refrigerating cabinet 2,
Refrigerating cabinet 6 and earth surface, whole erecting device is provided support, panel box is connected with in the side of refrigerating cabinet 2 end face, the opposite side of refrigerating cabinet 2 end face is placed with electronic scale 5, water injection pipe 41 stretches out from panel box 1, to electric cooker to be measured 10 water filling being placed on electronic scale 5, and the tube head of water injection pipe 41 can be provided with test probe 42, for testing the temperature of the water of electric cooker 10 to be measured.
The side of panel box 1 being provided with water inlet 33 and gap 34, being connected with external water flood and drainage arrangement respectively for making 3 constant temperature water tanks arranged in panel box 1.Compressor 211, fan 212 and motor, condenser 214, expansion valve, plate type heat exchanger 216 and internal electrical device etc. are set in refrigerating cabinet 2.At switch board 6, display panel and associative operation button, i.e. input-output unit can be set on the surface of operating personnel side, for input control order or parameter and export running status.
Below to utilizing this preferred embodiment to be described the concrete steps that electric cooker 10 to be tested carries out thermal efficiency test:
1. first confirm whether electronic scale makes zero, after confirmation electronic scale zero, tested electric cooker is positioned on electronic scales, and the power lead of tested electric cooker is inserted on the private jack of device power pot for cooking rice test;
2., after connecting testing apparatus power supply, equipment connects power meter, temperature controller, computer (controller) and electronic scales power supply.
3. open computer (controller) and testing software, select " Operation system setting "
4. set leaving water temperature and electric cooker stopping temperature, and exit.
5. select " Setup Experiments "
6. input test electric cooker relevant information
7. input electric cooker capacity (program is set to automatically calculate water injection rate according to input value)
8. click " the starting test " on software, software prompt first time weighs, and clicks and continues button, now weighs inner vessel for electrical cooking-vessel quality m2, stores and shows in form.
9., when testing first, open water compensating valve moisturizing.Non-when testing first, in constant temperature water tank, water temperature and water level meet and impose a condition, then directly enter following step the 16, otherwise open water compensating valve moisturizing.Wherein, if maximum stage difference is set to 11L, then can be out of the water 3 times when testing 5L capacity electric cooker.
10. moisturizing until full-water level time automatically close water compensating valve, controlled by high level switch herein.
11. start refrigeration and heating PID controls (compressor/fan/electric heater/water circulating pump starts, electric heater and compressor start interval 30 seconds).
12. when water tank keeps setting water filling temperature ± 0.5 DEG C temperature 2 minutes, start water filling (in timing in 2 minutes, system is still run, if can not keep 2 minutes, then proceeds refrigeration and heating PID controls, the reclocking when satisfied temperature).
13. open waterflood pump and water injecting electromagnetic valve I opens, and close water injecting electromagnetic valve I when water filling weight meets " main solenoid valve stops weight in advance ".
14. after water injecting electromagnetic valve I closes, and water injecting electromagnetic valve II opens, and when water filling weight meets " water filling departure ", water injecting electromagnetic valve II closes, and closes waterflood pump.
15. buzzer call two sound, calculate simultaneously, preserve the quality m1 that interior pot injects water;
Interior pot moves on electric cooker by 16., and places pot cover and temperature controller;
17. temperature controller numerical stabilities after keeping X second (in software display timing reading the clock), judge whether within room temperature (setting value) ± 1 DEG C.Be then power to electric cooker, and hummer ring 2 sound; Otherwise prompting water temperature overtemperature, retests from step the 12;
If herein it is to be noted that experiment first time water temperature overtemperature, then need to consider adjustment System parameter---water filling temperature.
18. manual unlocking electric cooker power switches (ON), preference pattern heating starts, and setting power meter starts test simultaneously.
After 19. water temperatures reach design temperature (such as, 90 DEG C), tested electric cooker power supply disconnects, and power meter continues test.
20. record cut off the electricity supply after water temperature mxm..
21., according to test number and setting numerical value, press the formulae discovery thermal efficiency below:
Parameter is defined as follows:
η---the thermal efficiency, is expressed as a percentage (%), is accurate to one decimal place;
G---the water yield before test, unit is kilogram (kg);
T
1---initial water temperature before test, unit is degree Celsius (DEG C)
T
2---the highest water temperature after test, unit is degree Celsius (DEG C)
E---power consumption, unit is watt-hour (Wh)
23. and the result calculated is shown in form.
24. click the data storage function on software, the temperature of experiment test, electricity, power, electric current, voltage parameter can be stored, and can by curve display inquiry.
25. click the form hold function on software, experimental result can be stored as Microsoft Excel.
Below to utilizing this preferred embodiment to be described the concrete steps that electric cooker 10 to be tested carries out being incubated energy consumption testing:
1. until water temp. heating to (thermal efficiency test after) when 90 DEG C, force electric cooker to enter keeping warm mode.
2. hit testing interface start test button.
3., when click starts to test, equipment starts to record power consumption simultaneously.
4. test 4 hours, 4.5 hours and 5 hours water temperatures respectively, if water temperature is more than 60 ~ 80 DEG C of scopes, judgment experiment failure.
If 5. water temperature does not go beyond the scope, calculate the mean value of three water temperatures and save as holding temperature.
6. constantly little when reaching 5, equipment record is power consumption E now.
7. calculate power consumption per hour in 5 hours and be presented in form.
8. click the data storage function on software, the temperature of experiment test, electricity, power, electric current, voltage parameter can be stored, and can by curve display inquiry.
9. click the form hold function on software, experimental result can be stored as Microsoft Excel.
Below to utilizing this preferred embodiment to be described the concrete steps that electric cooker 10 to be tested carries out standby power test:
1. tested electric cooker is positioned over test angles, and power lead is inserted on the private jack of device power pot for cooking rice test;
2., after connecting testing apparatus power supply, equipment connects power meter, temperature controller, computer and electronic scales power supply.
3. select " standby power "
6. the standby power test duration (giving tacit consent to 4 hours) is set
7. click and start test, equipment is energized to electric cooker, and starts timing
8., when click starts to test, equipment record is stand-by power consumption value E1 now.
9. constantly little when reaching 4, equipment record is stand-by power consumption value E2 now, and calculates stand-by power consumption E.E＝E2-E1
10. calculate standby power
11. click the data storage function on software, experiment test electricity, power, electric current, voltage parameter can be stored, and can by curve display inquiry.
12. click the form hold function on software, experimental result can be stored as Microsoft Excel.
To sum up, the quality control of water injection rate is controlled by the electronic scales with communication module, and control accuracy is high.Water temperature controls to be controlled by the compressor cooling in refrigerating cabinet and electrothermal tube heating in combination, and control accuracy is high, and the time of producing is fast.After interior pot water filling terminates, insert temperature controller, start test.The monitoring of water temperature and the data acquisition of power meter automatically perform by this device, and testing efficiency is high, and the time of producing is fast.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (10)
1. an electric cooker efficiency automatic testing equipment, is characterized in that, comprising:
Power meter, for detecting the power of electric cooker to be measured;
Temperature controller, for monitoring the temperature of the water in described electric cooker to be measured in pot;
Electronic scales, for detecting the quality of the water in described electric cooker to be measured in pot;
Communication module, is located on described electronic scales, detects the qualitative data of gained for exporting described electronic scales;
Timer, for detecting the working time of described electric cooker to be measured;
Water replanishing device, for providing water source;
Thermostatted water system, be connected with described water replanishing device, described thermostatted water system comprises heating system and refrigeration system, described refrigeration system is used for cooling to produce cold water to the water that described water replanishing device provides, described heating system is connected with described refrigeration system, carries out heating the thermostatted water generated needed for described electric cooker to be measured with the cold water produced described refrigeration system;
Discharging device, is connected with described thermostatted water system, for injecting thermostatted water to inner vessel for electrical cooking-vessel to be measured; With
Control system, described control system comprises controller and data acquisition unit, described data acquisition unit is for gathering the measurement data of described power meter, described temperature controller, described communication module, described timer, described controller is used for the described measurement data according to collecting, and calculates the standby power of described electric cooker to be measured, the thermal efficiency and insulation energy consumption.
2. electric cooker efficiency automatic testing equipment according to claim 1, is characterized in that:
Described heating system comprises: constant temperature water tank, for storing thermostatted water, described constant temperature water tank has water inlet, water delivering orifice, thermostatted water import, thermostatted water outlet, described water inlet is communicated with described water replanishing device, the inlet communication of described water delivering orifice and described refrigeration system, described thermostatted water outlet is communicated with described discharging device;
Water tank temperature sensor, is located in described constant temperature water tank, is connected with described data acquisition unit, for detecting the water temperature in described constant temperature water tank;
Level sensor, is located in described constant temperature water tank, is connected with described data acquisition unit, for detecting the water level in described constant temperature water tank; With
Well heater, is connected with described refrigeration system and described constant temperature water tank, for generation of the thermostatted water needed for described electric cooker to be measured, and enters in described constant temperature water tank.
3. electric cooker efficiency automatic testing equipment according to claim 2, it is characterized in that, described constant temperature water tank is also provided with gap.
4. electric cooker efficiency automatic testing equipment according to claim 2, it is characterized in that, described refrigeration system comprises:
Water circulating pump solenoid valve, is connected with the water delivering orifice of described constant temperature water tank, for controlling conducting or the shutoff of water circulation between described constant temperature water tank and described refrigeration system;
Water circulating pump, is connected with described water circulating pump solenoid valve and described plate type heat exchanger, for promoting water circulation between described constant temperature water tank and described refrigeration system;
Plate type heat exchanger, is connected with described water circulating pump, for the water and refrigerant that come from described constant temperature water tank are carried out heat interchange, to generate cold water;
Compressor, is connected with described plate type heat exchanger, for compressing the refrigerant after described plate type heat exchanger heat exchange, produces high pressure refrigerant;
Condenser, is connected with described compressor, cools for the high pressure refrigerant produced described compressor; With
Expansion valve, is connected with described condenser and described plate type heat exchanger, for carrying out throttling to the refrigerant being flowed to described plate type heat exchanger by described condenser.
5. electric cooker efficiency automatic testing equipment according to claim 1, is characterized in that:
Described discharging device comprises: water injection pipe and water injecting electromagnetic valve,
Described water injecting electromagnetic valve is connected with the constant-temperature effluent mouth of described constant temperature water tank, for controlling conducting or the shutoff of discharging thermostatted water to described inner vessel for electrical cooking-vessel;
Described water injection pipe is connected with described water injecting electromagnetic valve, and described thermostatted water enters in described inner vessel for electrical cooking-vessel through described water injection pipe.
6. electric cooker efficiency automatic testing equipment according to claim 5, is characterized in that:
Described water injecting electromagnetic valve comprises: the first water injecting electromagnetic valve and the second water injecting electromagnetic valve, the water flux density of described first water injecting electromagnetic valve is than described second water injecting electromagnetic valve greatly to realize described first water injecting electromagnetic valve for the water flux density of coarse adjustment to described inner vessel for electrical cooking-vessel discharge thermostatted water, and described second water injecting electromagnetic valve discharges the water flux density of thermostatted water to described inner vessel for electrical cooking-vessel for finely tuning.
7. electric cooker efficiency automatic testing equipment according to claim 1, is characterized in that:
Described controller is PLC.
8. electric cooker efficiency automatic testing equipment according to claim 1, is characterized in that:
Also comprise: hummer, be connected with described controller, for sending different buzzers according to the instruction of described controller, to represent the different operating modes of this electric cooker efficiency automatic testing equipment.
9. electric cooker efficiency automatic testing equipment according to claim 1, is characterized in that:
Also comprise: input/output module, be connected with described controller, for input control order or parameter and export running status.
10. electric cooker efficiency automatic testing equipment according to claim 2, is characterized in that: described well heater is electrothermal tube.
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| CN105180230A (en) * | 2015-07-23 | 2015-12-23 | 广东美的厨房电器制造有限公司 | Equipment and method for calculating energy efficiency level and energy efficiency level warning system |
| CN106405223A (en) * | 2016-08-19 | 2017-02-15 | 机械工业仪器仪表综合技术经济研究所 | Laboratory equipment energy efficiency test method and laboratory equipment energy efficiency test system |
| CN108966392A (en) * | 2017-05-19 | 2018-12-07 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooking pot and its heating power control method and device |
| CN109425783A (en) * | 2017-08-31 | 2019-03-05 | 宁波方太厨具有限公司 | A kind of electricity steam box energy-efficiency detection device and detection method |
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