CN207233285U - A kind of SIMULATION OF REFRIGERATION platform - Google Patents
A kind of SIMULATION OF REFRIGERATION platform Download PDFInfo
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- CN207233285U CN207233285U CN201720673235.6U CN201720673235U CN207233285U CN 207233285 U CN207233285 U CN 207233285U CN 201720673235 U CN201720673235 U CN 201720673235U CN 207233285 U CN207233285 U CN 207233285U
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Abstract
The utility model discloses a kind of SIMULATION OF REFRIGERATION platform, including refrigeration system, data collector and emulator, the data collector includes temperature sensor, pressure sensor, flow sensor and first communication module, the emulator includes second communication module, computer and wireless communication module, the input terminal of the temperature sensor, the input terminal of pressure sensor and the input terminal of flow sensor are connected with the output terminal of refrigeration system, the output terminal of the temperature sensor, the output terminal of pressure sensor and the output terminal of flow sensor are connected with the input terminal of first communication module, the first communication module is also connected with second communication module, the second communication module is also connected with computer, the computer is also connected with wireless communication module.The utility model is additionally arranged wireless communication module in emulator, realizes being shared across space for emulation platform data, more convenient and efficient.The utility model can be widely applied to emulator field.
Description
Technical field
Emulator field is the utility model is related to, especially a kind of SIMULATION OF REFRIGERATION platform.
Background technology
Current China has been the highest country of class household appliances production capacity of freezing in the world, and refrigeration class household appliances occupy China
The ratio of total energy consumption is continuously improved, and is one of major fields of energy-saving and emission-reduction.Whether possess product of the future design and renewal is changed
The core science and technology in generation has become a main indexes of the China from the progress of refrigeration big country to refrigeration power.Therefore, to refrigeration
The research of system and its characteristics of components is the research emphasis of association area.
Research to refrigeration system and its characteristics of components, generally there is experiment and analogue simulation this two classes research method.Experiment
Research method can directly obtain refrigeration system and the key property of component, be current the most widely used one by experiment
Class method.On the basis of experimental study, people also summarize many empirical methods.But refrigeration system parameter is more, coupling
By force so that experimental study faces that time-consuming, parameter of high cost and many is difficult to the predicament that accurately measures.
With the development of computer technology, the refrigeration system computer simulation technology based on model obtains quickly
Development.The technology carries out simulation calculation by establishing component and system model, can rapidly predict the property of refrigeration system
Can, reduce advanced development quantity and testing cost.Moreover, analogue simulation can predict that many experiments are difficult to the parameter measured, base
It can also further optimize refrigeration system and component in analogue simulation.Therefore analogue simulation have relative to experimental study it is more excellent
Gesture.
But be currently based on the SIMULATION OF REFRIGERATION platform of computer simulation technology mostly by the way of wired into
Row communication connection, could obtain the data that SIMULATION OF REFRIGERATION platform is gathered in real time only near SIMULATION OF REFRIGERATION platform
And simulation result, it is not convenient and less efficient enough.
Utility model content
In order to solve the above technical problems, the purpose of this utility model is that：A kind of convenient and efficient refrigeration system is provided
Emulation platform.
Technical solution adopted in the utility model is：
A kind of SIMULATION OF REFRIGERATION platform, including refrigeration system, data collector and emulator, the data collector bag
Include temperature sensor, pressure sensor, flow sensor and first communication module, the emulator include second communication module,
Computer and wireless communication module, the input terminal of the temperature sensor, the input terminal of pressure sensor and flow sensor
Input terminal is connected with the output terminal of refrigeration system, the output terminal of the temperature sensor, the output terminal of pressure sensor and stream
The output terminal of quantity sensor is connected with the input terminal of first communication module, the first communication module also with second communication module
Connection, the second communication module are also connected with computer, and the computer is also connected with wireless communication module.
Further, the refrigeration system includes evaporator, throttling arrangement, compressor and condenser, and the compressor goes out
Mouth is connected by the entrance of copper pipe and condenser, and the outlet of the condenser is connected by the entrance of copper pipe and throttling arrangement, institute
The outlet for stating throttling arrangement is connected by the entrance of copper pipe and evaporator, and the outlet of the evaporator passes through copper pipe and compressor
Entrance connects.
Further, the temperature sensor includes the first to the 16th thermocouple probe and thermocouple input module, described
First to the 16th thermocouple probe is separately positioned on the copper pipe at condenser inlet, the entrance of condenser, condenser go out
Mouthful, on the copper pipe at condensator outlet, on the copper pipe of throttling arrangement inlet, the outlet of the entrance of throttling arrangement, throttling arrangement,
On copper pipe on the copper pipe in throttling arrangement exit, at evaporator inlet, the outlet of the entrance of evaporator, evaporator, evaporator
On copper pipe on the copper pipe in exit, at suction port of compressor, at the outlet of the entrance of compressor, compressor and compressor outlet
On copper pipe, the output terminal of the described first to the 16th thermocouple probe is connected with the input terminal of thermocouple input module, described
The output terminal of thermocouple input module and the input terminal of first communication module connect.
Further, the pressure sensor includes the first to the 8th pressure sensor, the described first to the 8th pressure sensing
Device is respectively arranged at the entrance of condenser, the outlet of condenser, the entrance of throttling arrangement, the outlet of throttling arrangement, evaporator
Entrance, the outlet of evaporator, the outlet of the entrance of compressor and compressor, the data collector further include the first to eight voltage
Sampling resistor and DC voltage input module, the output terminal of the first pressure sensor and the one of first voltage sampling resistor
End connection, the output terminal of the second pressure sensor are connected with one end of second voltage sampling resistor, and the 3rd pressure passes
The output terminal of sensor is connected with one end of tertiary voltage sampling resistor, the output terminal and the 4th voltage of the 4th pressure sensor
One end connection of sampling resistor, the output terminal of the 5th pressure sensor are connected with one end of the 5th voltage sample resistance, institute
The output terminal for stating the 6th pressure sensor is connected with one end of the 6th voltage sample resistance, the output of the 7th pressure sensor
End is connected with one end of the 7th voltage sample resistance, the output terminal of the 8th pressure sensor and the 8th voltage sample resistance
One end connects, and the input terminal of the other end of the first to eight voltage sample resistance with DC voltage input module is connected, institute
The input terminal of the output terminal and first communication module of stating DC voltage input module connects.
Further, the flow sensor includes first flow sensor and second flow sensor, the first flow
Sensor is arranged on condenser inlet, and the second flow sensor is arranged on the outlet of condenser, and the data collector is also
Including the 9th voltage sample resistance and the tenth voltage sample resistance, output terminal and the 9th voltage of the first flow sensor are adopted
One end connection of sample resistance, the output terminal of the second flow sensor is connected with one end of the tenth voltage sample resistance, described
The input of the other end of 9th voltage sample resistance and the other end of the tenth voltage sample resistance with DC voltage input module
End connection.
Further, the data collector further includes power module, and the output terminal of the power module is logical with first respectively
Input terminal, the input terminal of thermocouple input module of letter module are connected with the input terminal of DC voltage input module.
Further, the thermocouple input module is DU300-31 thermocouple input modules, and the power module is DA100
Power module, the DC voltage input module are DU100-11 DC voltage input modules, and the first communication module is
DT300-31 serial ports boards.
Further, the second communication module is RS232 serial ports.
Further, the wireless communication module is mobile communication module or Ethernet wireless communication module.
The beneficial effects of the utility model are：Including refrigeration system, data collector and emulator, data collector includes
Temperature sensor, pressure sensor, flow sensor and first communication module, emulator include second communication module, computer
And wireless communication module, wireless communication module is additionally arranged in emulator, the number that SIMULATION OF REFRIGERATION platform can be gathered in real time
According to this and simulation result wirelessly sends and is uploaded to remote server, customer mobile terminal or other modules, realizes
Being shared across space for emulation platform data so that user can obtain emulation platform data whenever and wherever possible, and facilitate user couple
Emulation platform data carry out real-time remote monitoring, more convenient and efficient.
Brief description of the drawings
Fig. 1 is a kind of overall structure block diagram of SIMULATION OF REFRIGERATION platform of the utility model；
Fig. 2 is the structure diagram of the utility model refrigeration system；
Fig. 3 is the functional block diagram of the utility model data collector；
Fig. 4 is a kind of electrical schematic diagram of the utility model data collector and emulator.
Embodiment
With reference to Fig. 1, a kind of SIMULATION OF REFRIGERATION platform, including refrigeration system, data collector and emulator, the data
Collector includes temperature sensor, pressure sensor, flow sensor and first communication module, and it is logical that the emulator includes second
Believe module, computer and wireless communication module, the input terminal of the temperature sensor, the input terminal of pressure sensor and flow pass
The input terminal of sensor is connected with the output terminal of refrigeration system, the output of the output terminal, pressure sensor of the temperature sensor
The output terminal of end and flow sensor is connected with the input terminal of first communication module, and the first communication module is also logical with second
Believe module connection, the second communication module is also connected with computer, and the computer is also connected with wireless communication module.
With reference to Fig. 2, preferred embodiment is further used as, the refrigeration system includes evaporator, throttling arrangement, compression
Machine and condenser, the outlet of the compressor are connected by the entrance of copper pipe and condenser, and the outlet of the condenser passes through copper
Pipe is connected with the entrance of throttling arrangement, and the outlet of the throttling arrangement is connected by the entrance of copper pipe and evaporator, the evaporation
The outlet of device is connected by the entrance of copper pipe and compressor.
With reference to Fig. 2 and Fig. 3, preferred embodiment is further used as, the temperature sensor includes first to the 16th
Thermocouple probe T1-T16 and thermocouple input module, the described first to the 16th thermocouple probe T1-T16 are separately positioned on cold
On the copper pipe of condenser inlet, the outlet of the entrance of condenser, condenser, on the copper pipe at condensator outlet, throttling arrangement enters
Mouthful at copper pipe on, the outlet of the entrance of throttling arrangement, throttling arrangement, throttling arrangement exit copper pipe on, evaporator inlet
On the copper pipe at place, the outlet of the entrance of evaporator, evaporator, evaporator exit copper pipe on, the copper pipe at suction port of compressor
On copper pipe at the upper, outlet of the entrance of compressor, compressor and compressor outlet, the described first to the 16th thermocouple probe
The output terminal of T1-T16 is connected with the input terminal of thermocouple input module, the output terminal of the thermocouple input module and first
The input terminal connection of communication module.
With reference to Fig. 2 and Fig. 3, preferred embodiment is further used as, the pressure sensor includes the first to the 8th pressure
Force snesor P1-P8, the described first to the 8th pressure sensor P1-P8 are respectively arranged at the entrance of condenser, condenser goes out
Mouth, the entrance of throttling arrangement, the outlet of throttling arrangement, the entrance of evaporator, the outlet of evaporator, the entrance of compressor and compression
The outlet of machine, the data collector further include the first to eight voltage sample resistance R1-R8 and DC voltage input module, institute
The output terminal for stating first pressure sensor P1 is connected with one end of first voltage sampling resistor R1, the second pressure sensor P2
Output terminal be connected with one end of second voltage sampling resistor R2, the output terminal and tertiary voltage of the 3rd pressure sensor P3
One end connection of sampling resistor R3, the output terminal of the 4th pressure sensor P4 and one end of the 4th voltage sample resistance R4 connect
Connect, the output terminal of the 5th pressure sensor P5 is connected with one end of the 5th voltage sample resistance R5, and the 6th pressure passes
The output terminal of sensor P6 is connected with one end of the 6th voltage sample resistance R6, the output terminal of the 7th pressure sensor P7 and
One end connection of seven voltage sample resistance R7, the output terminal of the 8th pressure sensor P8 and the 8th voltage sample resistance R8's
One end connects, and the other end of the first to eight voltage sample resistance R1-R8 connects with the input terminal of DC voltage input module
Connect, the output terminal of the DC voltage input module and the input terminal of first communication module connect.
With reference to Fig. 2 and Fig. 3, preferred embodiment is further used as, the flow sensor is sensed including first flow
Device L1 and second flow sensor L2, the first flow sensor L1 are arranged on condenser inlet, the second flow sensing
Device L2 is arranged on the outlet of condenser, and the data collector further includes the 9th voltage sample resistance R9 and the tenth voltage sample electricity
R10 is hindered, the output terminal of the first flow sensor L1 is connected with one end of the 9th voltage sample resistance R9, the second flow
The output terminal of sensor L2 is connected with one end of the tenth voltage sample resistance R10, and the 9th voltage sample resistance R9's is another
Input terminal of the other end of end and the tenth voltage sample resistance R10 with DC voltage input module is connected.
With reference to Fig. 3, preferred embodiment is further used as, the data collector further includes power module, the electricity
The input terminal with first communication module, the input terminal of thermocouple input module and the DC voltage input respectively of the output terminal of source module
The input terminal connection of module.
With reference to Fig. 4, preferred embodiment is further used as, the thermocouple input module is defeated for DU300-31 thermocouples
Enter module, the power module is DA100 power modules, and the DC voltage input module inputs for DU100-11 DC voltages
Module, the first communication module are DT300-31 serial ports boards.
With reference to Fig. 4, preferred embodiment is further used as, the second communication module is RS232 serial ports.
Preferred embodiment is further used as, the wireless communication module is mobile communication module or Ethernet channel radio
Interrogate module.
The utility model is further explained and illustrated with reference to Figure of description and specific embodiment.
Embodiment one
For existing SIMULATION OF REFRIGERATION platform it is not convenient enough and efficient the problem of, the utility model proposes it is a kind of newly
SIMULATION OF REFRIGERATION platform.As shown in Figure 1, the platform mainly includes this three big portion of refrigeration system, data collector and emulator
Point.
Wherein, refrigeration system, for simulating actual refrigeration system, in order to carry out the working medium circulation process of refrigeration appliance
Analogue simulation.As shown in Fig. 2, refrigeration system includes evaporator, throttling arrangement (such as capillary), compressor and condenser, respectively
It is connected between a part by copper pipe.
Data collector, the Data Concurrent for gathering refrigeration system in real time give emulator.As shown in Figs. 1-3, data
Collector can be further subdivided into temperature sensor, pressure sensor, flow sensor, first communication module, the first to eight electricity
Press sampling resistor R1-R8, the 9th voltage sample resistance R9, the tenth voltage sample resistance R10, DC voltage input module and power supply
Module.Wherein, temperature sensor, for measure refrigeration system temperature (including the suction temperature of refrigerant, delivery temperature etc. number
According to).Temperature sensor includes the first to the 16th thermocouple probe T1-T16 and thermocouple input module, the first to the 16th heat
The installation site of this 16 thermocouple probes of thermocouple probe T1-T16 is as shown in Figure 2.Since the temperature of refrigerant cannot be measured directly,
Therefore the utility model passes through 2 on the copper pipe of evaporator (or throttling arrangement, compressor, condenser) entrance and inlet
A thermocouple probe or outlet and exit copper pipe on 2 thermocouple probes come subsidiary evaporator (or throttling arrangement,
Compressor, condenser) entrance or export refrigerant temperature.Thermocouple input module, for according to the first to the 16th thermocouple
The signal of this 16 thermocouple probes collections of probe T1-T16 carries out temperature survey.At least provided with thermocouple input module
16 thermocouples that this 16 thermocouple probes of one to the 16th thermocouple probe T1-T16 connect one to one.Pressure sensor
Including this 8 sensors for being used to gather each entrance of refrigeration system or outlet pressure of the first to the 8th pressure sensor P1-P8.The
One to eight voltage sample resistance R1-R8, the current signal for the first to the 8th pressure sensor P1-P8 to be exported are converted to electricity
Press signal.Flow sensor include first flow sensor L1 and second flow sensor L2 the two measurement condenser inlets and
The sensor of rate of discharge.9th voltage sample resistance R9, for the current signal conversion for exporting first flow sensor L1
For voltage signal.Tenth voltage sample resistance R10, the current signal for second flow sensor L2 to be exported are converted to voltage
Signal.DC voltage input module, the voltage signal for the first to ten voltage sample resistance R1-R10 to be exported are converted into imitative
Voltage signal needed for true platform.First communication module, for temperature sensor, pressure sensor, flow sensor etc. to be adopted
The signal or data of collection are uploaded to emulator in real time.Power module, for the modules power supply for data collector.
Emulator, signal or data for being gathered in real time according to data collector are emulated, and by real-time simulation knot
By way of wireless telecommunications (such as 4G mobile communication mode) is uploaded to remotely together for fruit and the signal gathered in real time or data
Server, customer mobile terminal or other modules.As shown in Figure 1, emulator mainly includes second communication module, computer and nothing
Line communication module.Second communication module, for obtaining signal or the data that data collector gathers in real time.Second communication module can
Realized using RS232 serial ports.Computer, signal or data for being gathered in real time according to data collector are emulated.
Although this special instruction, the computer of the utility model are related to the process for emulating this data processing, but its can use it is existing
Technological means (such as PC machine) is realized, does not relate to the improvement on any software, i.e., the improvement not being related on software approach.Nothing
Line communication module, signal or data for gathering by real time simulation results and in real time are uploaded by way of wireless telecommunications together
To remote server, customer mobile terminal or other modules.Wireless communication module can use mobile communication module or Ethernet without
Line communication module is realized.
A kind of specific implementation structure of the utility model data collector and emulator is as shown in Figure 4.In Fig. 4, data are adopted
Storage employs the YOKOGAWA data collectors of Japanese Yokogawa company, and the first communication module of the data collector is subrack
Block DT300-31, thermocouple input module is DU300-31 thermocouple TC input modules, and DC voltage input module is DU100-
11 DC voltage input modules, power module are DA100 power modules.And second communication module is RS232 serial ports.Wherein, it is hot
Galvanic couple input module DU300-31 is the thermocouple TC input modules of 30 passages, can connect K-type, T-shaped, J-type thermocouple, this practicality
It is new using T-shaped thermocouple, DU300-31+the T-shaped thermocouple of long line is connected between/A and -/B.DC voltage inputs mould
Block DU100-11 is multi-functional input module, can meet thermocouple TC, resistance RTD, DC power supply DC, the utility model is using straight
Galvanic electricity presses input function, DU100-11+and-between connect 10 voltage sample resistance R1-R10, reconnect pressure sensing
The output of the 4-20mA of device and flow sensor, the 4-20mA current signals that pressure sensor and flow sensor export are turned
Change the d. c. voltage signal of DC1-5V into.As shown in figure 4, emulator passes through RS232 communication parties with YOKOGAWA data collectors
Formula is attached, and specific connection mode is two line connection methods：The serial ports board DT300-31's of YOKOGAWA data collectors
RDA/SDA is connected with RDA (-)/SDA (-) of R2232 serial ports, and RDB/SDB is connected with RDA (+)/SDA (+) of R2232 serial ports,
SG is connected with the SG of R2232 serial ports.
Compared with prior art, the utility model is additionally arranged wireless communication module in emulator, can imitate refrigeration system
The data and simulation result that true platform gathers in real time wirelessly send and are uploaded to remote server, user moves eventually
End or other modules, realize being shared across space for emulation platform data so that user can obtain emulation platform number whenever and wherever possible
According to, and facilitate user and emulation platform data are carried out with real-time remote monitoring, it is more convenient and efficient.
Above is the preferable of the utility model is implemented to be illustrated, but the utility model is not limited to the reality
Example is applied, those skilled in the art can also make a variety of equivalent changes on the premise of without prejudice to the utility model spirit
Shape or replacement, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (9)
- A kind of 1. SIMULATION OF REFRIGERATION platform, it is characterised in that：Including refrigeration system, data collector and emulator, the number Include temperature sensor, pressure sensor, flow sensor and first communication module according to collector, the emulator includes second Communication module, computer and wireless communication module, the input terminal of the temperature sensor, the input terminal of pressure sensor and flow The input terminal of sensor is connected with the output terminal of refrigeration system, the output terminal of the temperature sensor, pressure sensor it is defeated Input terminal of the output terminal of outlet and flow sensor with first communication module is connected, and the first communication module is also with second Communication module connects, and the second communication module is also connected with computer, and the computer is also connected with wireless communication module.
- A kind of 2. SIMULATION OF REFRIGERATION platform according to claim 1, it is characterised in that：The refrigeration system includes evaporation Device, throttling arrangement, compressor and condenser, the outlet of the compressor is connected by the entrance of copper pipe and condenser, described cold The outlet of condenser is connected by the entrance of copper pipe and throttling arrangement, and the outlet of the throttling arrangement is entered by copper pipe and evaporator Mouth connection, the outlet of the evaporator are connected by the entrance of copper pipe and compressor.
- A kind of 3. SIMULATION OF REFRIGERATION platform according to claim 2, it is characterised in that：The temperature sensor includes the One to the 16th thermocouple probe and thermocouple input module, the described first to the 16th thermocouple probe are separately positioned on condensation On the copper pipe of device inlet, the outlet of the entrance of condenser, condenser, on the copper pipe at condensator outlet, throttling arrangement entrance On the copper pipe at place, the outlet of the entrance of throttling arrangement, throttling arrangement, throttling arrangement exit copper pipe on, at evaporator inlet Copper pipe on, the outlet of the entrance of evaporator, evaporator, evaporator exit copper pipe on, on the copper pipe at suction port of compressor, On copper pipe at the outlet of the entrance, compressor of compressor and compressor outlet, the described first to the 16th thermocouple probe Output terminal is connected with the input terminal of thermocouple input module, the output terminal and first communication module of the thermocouple input module Input terminal connection.
- A kind of 4. SIMULATION OF REFRIGERATION platform according to claim 3, it is characterised in that：The pressure sensor includes the One to the 8th pressure sensor, the described first to the 8th pressure sensor is respectively arranged at the entrance of condenser, condenser goes out Mouth, the entrance of throttling arrangement, the outlet of throttling arrangement, the entrance of evaporator, the outlet of evaporator, the entrance of compressor and compression The outlet of machine, the data collector further include the first to eight voltage sample resistance and DC voltage input module, and described The output terminal of one pressure sensor is connected with one end of first voltage sampling resistor, the output terminal of the second pressure sensor with One end connection of second voltage sampling resistor, the output terminal of the 3rd pressure sensor and one end of tertiary voltage sampling resistor Connection, the output terminal of the 4th pressure sensor are connected with one end of the 4th voltage sample resistance, the 5th pressure sensing The output terminal of device is connected with one end of the 5th voltage sample resistance, and the output terminal of the 6th pressure sensor is adopted with the 6th voltage One end connection of sample resistance, the output terminal of the 7th pressure sensor is connected with one end of the 7th voltage sample resistance, described The output terminal of 8th pressure sensor is connected with one end of the 8th voltage sample resistance, the first to eight voltage sample resistance Input terminal of the other end with DC voltage input module is connected, and the output terminal of the DC voltage input module communicates with first The input terminal connection of module.
- A kind of 5. SIMULATION OF REFRIGERATION platform according to claim 4, it is characterised in that：The flow sensor includes the One flow sensor and second flow sensor, the first flow sensor are arranged on condenser inlet, the second flow Sensor is arranged on the outlet of condenser, and the data collector further includes the 9th voltage sample resistance and the tenth voltage sample electricity Resistance, the output terminal of the first flow sensor are connected with one end of the 9th voltage sample resistance, the second flow sensor Output terminal be connected with one end of the tenth voltage sample resistance, the other end and the tenth voltage of the 9th voltage sample resistance are adopted Input terminal of the other end of sample resistance with DC voltage input module is connected.
- A kind of 6. SIMULATION OF REFRIGERATION platform according to claim 5, it is characterised in that：The data collector further includes Power module, the input of the output terminal of the power module input terminal with first communication module, thermocouple input module respectively End is connected with the input terminal of DC voltage input module.
- A kind of 7. SIMULATION OF REFRIGERATION platform according to claim 6, it is characterised in that：The thermocouple input module is DU300-31 thermocouple input modules, the power module are DA100 power modules, and the DC voltage input module is DU100-11 DC voltage input modules, the first communication module are DT300-31 serial ports boards.
- A kind of 8. SIMULATION OF REFRIGERATION platform according to claim 1, it is characterised in that：The second communication module is RS232 serial ports.
- 9. according to a kind of SIMULATION OF REFRIGERATION platform of claim 1-8 any one of them, it is characterised in that：The wireless telecommunications Module is mobile communication module or Ethernet wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673235.6U CN207233285U (en) | 2017-06-09 | 2017-06-09 | A kind of SIMULATION OF REFRIGERATION platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720673235.6U CN207233285U (en) | 2017-06-09 | 2017-06-09 | A kind of SIMULATION OF REFRIGERATION platform |
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| CN207233285U true CN207233285U (en) | 2018-04-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955079A (en) * | 2018-10-10 | 2018-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of test macro and method of refrigerator operating condition |
-
2017
- 2017-06-09 CN CN201720673235.6U patent/CN207233285U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955079A (en) * | 2018-10-10 | 2018-12-07 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of test macro and method of refrigerator operating condition |
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