CN102012483B - Test cabin for extreme high and low-temperature environments - Google Patents
Test cabin for extreme high and low-temperature environments Download PDFInfo
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- CN102012483B CN102012483B CN2010105100775A CN201010510077A CN102012483B CN 102012483 B CN102012483 B CN 102012483B CN 2010105100775 A CN2010105100775 A CN 2010105100775A CN 201010510077 A CN201010510077 A CN 201010510077A CN 102012483 B CN102012483 B CN 102012483B
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Abstract
The invention discloses a test cabin for extreme high and low-temperature environments. The test cabin comprises a container type box, a fuel oil heater, an electric control cabinet, an air channel system, a refrigerating unit, a cold and hot air circulating system and a control system, wherein the box is partitioned into an operation chamber, a compartment and a test chamber; the electric control cabinet and the fuel oil heater are arranged in the operation chamber; an evaporator of the refrigerating unit is arranged in the compartment; a unit to be tested is arranged in the test chamber; the upper parts of the front and back side faces of the test chamber are provided with a test chamber air inlet respectively; the front side face of the test chamber is provided with a test chamber shutter; the air channel system comprises two air suction channels, two hot air channels and an internal chamber air channel; one end of each air suction channel is connected with the air inlet of the air suction channel, and the other end of each air suction channel is connected with the air inlet of the fuel oil heater; the air inlets of the two hot air channels are connected with the hot air outlet of the fuel oil heater; the hot air channel passes through the compartment and is communicated with the test chamber; and one end of the internal chamber air channel is connected with the air inlet of the internal chamber air channel, and the other end of the internal chamber air channel is positioned in the test chamber, so that air stream in the compartment is communicated with air stream of the test chamber.
Description
Technical field
The present invention relates to a kind of environmental test equipment, be specifically related to a kind of extreme high-low-temperature environmental testing shelter, be used for extreme high and low temperature environmental test miniature diesel genset, mute generator group.
Background technology
Genset is widely used in the independent current source of specific uses such as departments such as telecommunications, financial and monetary sector, hospital, school, commerce, industrial and mining enterprises.A series of tests to be carried out after the genset manufacturing finishes, wherein most importantly comprehensive performance test will be under the environment of extremely high low temperature, carried out exactly.At present, in the genset manufacturing, Shang Weijian has the environmental test chamber of standard under the extreme high and low temperature environmental baseline of simulation (70 ℃～-40 ℃), to carry out comprehensive performance test to a whole set of genset and mute type unit.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of prior art; A kind of extreme high-low-temperature environmental testing shelter is provided; It can the simulated environment temperature each grade temperature in 70 ℃～-40 ℃, miniature diesel genset, mute generator group are carried out the test of various electric properties under the extreme high and low temperature environmental baseline.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of extreme high-low-temperature environmental testing shelter comprises a packaging type casing, fuel heater, electrical control cubicles, ducting system, refrigeration unit, cold and hot air circulating system and control system.Wherein:
Said casing is divided into operation room, middle compartment and test cabinet through left and right dividing plate from left to right successively;
Said electrical control cubicles and said fuel heater are installed in the said operation room;
Compartment mixes and the heat transferred center as gas in said;
An air draught road air inlet is offered at two, upper end of said left clapboard respectively, and an inner room air channel air inlet is offered in the upper end on the said right clapboard, and interlayer air inlet in is offered at the middle part;
Unit to be measured is installed in the said test cabinet, and a test cabinet air inlet is offered on the top of the forward and backward side of this test cabinet respectively, in this test cabinet air inlet blower fan is installed; Also offer a test cabinet window shutter on the leading flank of said test cabinet;
Said ducting system comprises:
Two air draught roads, this two air draughts road is located in the said operation room, and an end in this two air draughts road and said air draught road air inlet join, and the other end in this two air draughts road and the air inlet of said fuel heater join;
Two hot-flow flues, the air inlet of this two hot-flow flue and the said hot-blast outlet of stating fuel heater join, and this hot-flow flue passes said middle compartment and communicates with said test cabinet;
One inner room air channel, this inner room air channel is positioned at the top of said test cabinet, and an end in this inner room air channel and said inner room air channel air inlet join, and the other end is positioned at said test cabinet, and the air-flow of said middle compartment and test cabinet is communicated;
The outer machine of said refrigeration unit is installed in outside the left side of said test shelter, and the evaporator of said refrigeration unit is installed in the middle part of said middle compartment, and the top of this evaporator communicates with said inner room air channel, and bottom and said middle interlayer air inlet join;
Said hot air circulating system comprises:
The circulation of cooling draught; Said evaporator bank sucks the air in the said middle compartment automatically; This air carries out heat interchange and forms cooling draught in said evaporator; This cooling draught gets into said test cabinet through said inner room air channel, and said test cabinet and said unit to be measured are cooled off, and arrives said middle compartment through interlayer air inlet in said again;
Add the circulation of hot-air; Said fuel heater sucks the air in the said middle compartment automatically through said air draught road; This air carries out heat interchange and forms the heating air in said fuel heater, this adds hot-air discharges through the hot-blast outlet of said fuel heater, gets into said test cabinet through said hot-flow flue again; Said test cabinet and said unit to be measured are heated, and then arrive said middle compartment through interlayer air inlet in said;
The hot-fluid circulation of unit to be measured; The inner cooling fan of said unit to be measured sucks the air in the said test cabinet; The heat that in operational process, self produces through said unit to be measured becomes the unit hot-fluid; This unit hot-fluid is discharged from the exhaust outlet of said unit to be measured, arrives said middle compartment through interlayer air inlet in said, gets into said inner room air channel again and arrives said test cabinet;
Providing and automatic thermal balance of fresh air; The fresh air that comes from said test cabinet air inlet gets into said test cabinet, and this fresh air mixes according to the condition that said electrical control cubicles provides with said hot-air and the said unit hot-fluid of adding in said test cabinet automatically;
Said control system comprises sensor, signal picker, CPU, opertaing device, IO interface and operating equipment, and said CPU comprises CPU, data conversion storage module, data processing module and function modular converter; Said operating equipment comprises man-machine interface or telecommunication; Said sensor is connected with said signal picker through data bus; Said signal picker is connected with said CPU through data bus; Said CPU is connected with said data conversion storage module, data processing module and function modular converter respectively through data bus; Said function modular converter is connected with said opertaing device through data bus, and said IO interface is connected with said operating equipment with said CPU through data bus respectively;
Correlated condition signal through said man-machine interface or telecommunication input setting; These correlated condition signals are delivered to said CPU through said IO interface; Said CPU sends data sampling signal to said signal picker; Said signal picker is collected the live signal that said sensor sends and is back to said CPU; Said CPU carries out these live signals data operation and carries out unloading through said data conversion storage module through said data processing module, converts some control signals to and passes to said opertaing device through said function modular converter again, gives operating equipment through said IO interface move instruction more at last.
Above-mentioned extreme high-low-temperature environmental testing shelter, wherein, the correlated condition signal of said man-machine interface or telecommunication input comprises temperature signal, moisture signal and air pressure signal; The live signal that said sensor sends comprises normal voltage signal, normalized current signal, frequency signal, thermocouple signal and thermal resistance signal; Said opertaing device comprises frequency-variable controller, flow controller, temperature compensator, the compatible device of instrument, digital corrector, position formula regulator, balance conditioning device; Said operating equipment also comprises automatic quantity regulating device for air, automatic louver angular adjustment apparatus, alarm output device, data link and printing equipment.
Above-mentioned extreme high-low-temperature environmental testing shelter, wherein, said refrigeration unit comprises compressor, air cooler, expansion valve, vapour liquid separator and air-cooled condenser.
Above-mentioned extreme high-low-temperature environmental testing shelter, wherein, said fuel heater comprises motor, oil pump, combustion-supporting fan, atomizer, petroleum pipeline, main chamber, glow plug, firing chamber and heat radiator.
Above-mentioned extreme high-low-temperature environmental testing shelter, wherein, said two air draught roads vertically are arranged on the forward and backward side in the said operation room; Said two hot-flow flues run transverse through said middle compartment and lay respectively at the forward and backward side in bottom in the said test cabinet.
Above-mentioned extreme high-low-temperature environmental testing shelter, wherein, the trailing flank of said operation room is provided with an air inlet and a window shutter, and the leading flank of said operation room is provided with a fan operation room door.
Above-mentioned extreme high-low-temperature environmental testing shelter wherein, is also installed a fuel reserve tank in the said operation room, said fuel heater and said fuel reserve tank are installed on the fixed mount.
Above-mentioned extreme high-low-temperature environmental testing shelter wherein, is offered a fan test cabinet door on the right side of said test cabinet, be respectively equipped with a view window on the leading flank of this test cabinet door and said test cabinet.
Above-mentioned extreme high-low-temperature environmental testing shelter; Wherein, The below of said fuel heater also is provided with a smoke exhaust pipe; The inlet scoop of this smoke exhaust pipe connects said fuel heater, and the exhaust opening of this smoke exhaust pipe passes the trailing flank of said operation room, so that the waste gas of said fuel heater burning is discharged said test shelter.
The technical scheme of extreme high-low-temperature environmental testing shelter of the present invention; Adopt the form of TEU (Twenty-foot Equivalent Unit); Built-inly heat, device such as refrigeration, temperature control, insulation; Can the simulated environment temperature each grade temperature in 70 ℃～-40 ℃, miniature diesel genset, mute generator group are carried out the test of various electric properties under the extreme high and low temperature environmental baseline.Simultaneously, the appearance structure of the TEU (Twenty-foot Equivalent Unit) of this test shelter can be realized fast moving and park use in the open, is very easy to user's use.
Description of drawings
Fig. 1 is the structural representation of extreme high-low-temperature environmental testing shelter of the present invention;
Fig. 2 is that A-A among Fig. 1 is to cut-open view;
Fig. 3 is that D-D among Fig. 2 is to cut-open view;
Fig. 4 is that B-B among Fig. 1 is to cut-open view;
Fig. 5 is that C-C among Fig. 1 is to cut-open view;
Fig. 6 is the gas circulation synoptic diagram of extreme high-low-temperature environmental testing shelter of the present invention when heating;
Fig. 7 is the gas circulation synoptic diagram of extreme high-low-temperature environmental testing shelter of the present invention when refrigeration;
Fig. 8 is the control system structured flowchart of extreme high-low-temperature environmental testing shelter of the present invention.
Embodiment
Below through embodiment particularly and combine accompanying drawing that technical scheme of the present invention is described:
See also Fig. 1 to Fig. 5, a kind of extreme high-low-temperature environmental testing shelter of the present invention comprises a casing 100, fuel heater 12, electrical control cubicles 8, ducting system, refrigeration unit, cold and hot air circulating system and control system.
Electrical control cubicles 8 and fuel heater 12 are installed in the operation room 10, a fuel reserve tank 11 also is installed, fuel heater 12 is installed on the fixed mount 24 with fuel reserve tank 11.The trailing flank of operation room 10 is provided with an air inlet 1 and a window shutter 9, and the leading flank of operation room 10 is provided with a fan operation room door 16.
The below of fuel heater 12 also is provided with a smoke exhaust pipe 22, and the inlet scoop 23 of this smoke exhaust pipe 22 connects fuel heater 12, and the exhaust opening 7 of this smoke exhaust pipe 22 passes the trailing flank of operation room 10, so that the waste gas of fuel heater 12 burnings is discharged the test shelter.
Ducting system comprises two air draught roads 20, two hot-flow flues 14 and an inner room air channel 2.
Two air draught roads 20 vertically are arranged on the forward and backward side in the operation room 10, and the upper end in this two air draughts road 20 and air draught road air inlet join, and the air inlet of lower end and fuel heater 12 joins.
The hot-blast outlet 6 of the air inlet of two hot-flow flues 14 and fuel heater 12 joins, and compartment 17 communicated with test cabinet 15 during this hot-flow flue 14 ran transverse through.
Inner room air channel 2 is positioned at test cabinet 15 tops, and an end in this inner room air channel 2 and inner room air channel air inlet join, and the other end is positioned at test cabinet 15, and the air-flow of compartment 17 and test cabinet 15 communicates in making.
The realization of hot environment:
The air that this shelter adopts fuel heater 12 to heat in the test cabinets 15 utilizes inner circulating fan to make the room air Automatic Cycle, to keep all even stable of test cabinet 15 interior temperature.
The circulation that adds hot-air is (seeing also Fig. 6): the air during fuel heater 12 sucks through air draught road 20 automatically in the compartment 17; This air carries out heat interchange and forms heating air 200 in fuel heater 12; This adds hot-air 200 and discharges through the hot-blast outlet of fuel heater 12; Get into test cabinet 15 through hot-flow flue 14 again, test cabinet 15 and unit 4 to be measured are heated, and then through compartment 17 in middle interlayer air inlet 5 arrival.
The realization of low temperature environment:
This shelter adopts complete refrigeration compressor set to cool off the air in the test cabinet, utilizes inner evaporator 15 circulating fans to make the room air Automatic Cycle, to keep all even stable of test cabinet 9 interior temperature.
The outer machine 28 of refrigeration unit is installed in outside the left side of test shelter, the middle part of compartment 11 during the evaporator 27 of refrigeration unit is installed in through a fixed mount 14, and the top of this evaporator 27 communicates with inner room air channel 2, and bottom and middle interlayer air inlet 5 join.
Refrigeration unit comprises compressor, air cooler, expansion valve, vapour liquid separator and air-cooled condenser; Indoor and outdoor machine is connected into the circulation system with cold-producing medium R22 of an enclosed with pipeline; Its course of work is following: liquid high-pressure refrigerant comes out from condenser; Through getting into evaporator 27 after the expansion valve throttling step-down, flash to LP steam by the heat of managing outer air, the machine that is compressed then sucks and is compressed to condenser; Be condensed into highly pressurised liquid after the heat release, thereby accomplished a refrigeration cycle.
Air is sent back to test cabinet 9 by blower fan after being cooled through evaporator 15 in the test cabinet 9; Because the continuous work of compressor, blower fan, the temperature in the test cabinet 9 constantly descends, and finally meets the requirements of the low temperature setting value.
The circulation of cooling draught is (seeing also Fig. 7): the air during evaporator 27 sucks automatically in the compartment 17; This air carries out heat interchange and forms cooling draught 200 ' in evaporator 27; This cooling draught 200 ' gets into test cabinet 15 through inner room air channel 2; Test cabinet 15 and unit 4 to be measured are cooled off compartment 17 in arriving through middle interlayer air inlet 5 again.
Fig. 6 and Fig. 7 also show the hot-fluid circulation of unit to be measured and providing and automatic thermal balance of fresh air.
The hot-fluid circulation of unit to be measured is: unit 4 inner cooling fans to be measured suck the air in the test cabinet 15; The heat that in operational process, self produces through unit 4 to be measured becomes unit hot-fluid 300; This unit hot-fluid 300 is discharged from the exhaust outlet of unit 4 to be measured; Through compartment 17 in middle interlayer air inlet 5 arrival, get into inner room air channel 2 again and arrive test cabinets 15;
Provide and the automatic thermal balance of fresh air are: the fresh air 400 that comes from test cabinet air inlet 3 gets into test cabinets 15, this fresh air 400 test cabinet 15 in add hot-air 200 and cooling draught 200 ' and unit hot-fluid 300 and mix automatically according to the condition that electrical control cubicles 8 provides.
See also Fig. 8 again, control system comprises sensor 51, signal picker 52, CPU 50, opertaing device 53, IO interface 54 and operating equipment 55.CPU 50 comprises CPU500, data conversion storage module 501, data processing module 502 and function modular converter 503; Operating equipment 53 comprises man-machine interface 531, telecommunication 532, automatic quantity regulating device for air 533, automatic louver angular adjustment apparatus 534, alarm output device 535, data link 536 and printing equipment 537; Opertaing device 55 comprises frequency-variable controller 551, flow controller 552, temperature compensator 553, the compatible device 554 of instrument, digital corrector 555, position formula regulator 556 and balance conditioning device 557.
Through the correlated condition signal that man-machine interface 531 or telecommunication 532 inputs are set, these correlated condition signals are delivered to CPU500 through IO interface 54, and these correlated condition signals comprise temperature signal, moisture signal and air pressure signal; CPU500 sends data sampling signal to signal picker 52; The live signal that signal picker 52 collecting sensors 51 send also is back to CPU500, and the live signal that sensor 51 sends comprises normal voltage signal, normalized current signal, frequency signal, thermocouple signal and thermal resistance signal; CPU500 carries out these live signals data operation and carries out unloading through data conversion storage module 501 through data processing module 502; Convert some control signals to and pass to opertaing device 53 through function modular converter 403 again, give operating equipment 55 through IO interface 54 move instructions more at last.
Those of ordinary skill in the art will be appreciated that; Above embodiment is used for explaining the present invention; And be not to be used as qualification of the present invention; As long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (9)
1. an extreme high-low-temperature environmental testing shelter is characterized in that, said test shelter comprises a packaging type casing, fuel heater, electrical control cubicles, ducting system, refrigeration unit, cold and hot air circulating system and control system,
Said casing is divided into operation room, middle compartment and test cabinet through left and right dividing plate from left to right successively;
Said electrical control cubicles and said fuel heater are installed in the said operation room;
Compartment mixes and the heat transferred center as gas in said;
An air draught road air inlet is offered at two, upper end of said left clapboard respectively, and an inner room air channel air inlet is offered in the upper end on the said right clapboard, and interlayer air inlet in is offered at the middle part;
Unit to be measured is installed in the said test cabinet, and a test cabinet air inlet is offered on the top of the forward and backward side of this test cabinet respectively, in this test cabinet air inlet blower fan is installed; Also offer a test cabinet window shutter on the leading flank of said test cabinet;
Said ducting system comprises:
Two air draught roads, this two air draughts road is located in the said operation room, and an end in this two air draughts road and said air draught road air inlet join, and the other end in this two air draughts road and the air inlet of said fuel heater join;
Two hot-flow flues, the air inlet of this two hot-flow flue and the said hot-blast outlet of stating fuel heater join, and this hot-flow flue passes said middle compartment and communicates with said test cabinet;
One inner room air channel, this inner room air channel is positioned at the top of said test cabinet, and an end in this inner room air channel and said inner room air channel air inlet join, and the other end is positioned at said test cabinet, and the air-flow of said middle compartment and test cabinet is communicated;
The outer machine of said refrigeration unit is installed in outside the left side of said test shelter, and the evaporator of said refrigeration unit is installed in the middle part of said middle compartment, and the top of this evaporator communicates with said inner room air channel, and bottom and said middle interlayer air inlet join;
Said cold and hot air circulating system comprises:
The circulation of cooling draught; Said evaporator sucks the air in the said middle compartment automatically; This air carries out heat interchange and forms cooling draught in said evaporator; This cooling draught gets into said test cabinet through said inner room air channel, and said test cabinet and said unit to be measured are cooled off, and arrives said middle compartment through interlayer air inlet in said again;
Add the circulation of hot-air; Said fuel heater sucks the air in the said middle compartment automatically through said air draught road; This air carries out heat interchange and forms the heating air in said fuel heater, this adds hot-air discharges through the hot-blast outlet of said fuel heater, gets into said test cabinet through said hot-flow flue again; Said test cabinet and said unit to be measured are heated, and then arrive said middle compartment through interlayer air inlet in said;
The hot-fluid circulation of unit to be measured; The inner cooling fan of said unit to be measured sucks the air in the said test cabinet; The heat that in operational process, self produces through said unit to be measured becomes the unit hot-fluid; This unit hot-fluid is discharged from the exhaust outlet of said unit to be measured, arrives said middle compartment through interlayer air inlet in said, gets into said inner room air channel again and arrives said test cabinet;
Providing and automatic thermal balance of fresh air; The fresh air that comes from said test cabinet air inlet gets into said test cabinet, and this fresh air mixes according to the condition that said electrical control cubicles provides with said hot-air and the said unit hot-fluid of adding in said test cabinet automatically;
Said control system comprises sensor, signal picker, CPU, opertaing device, IO interface and operating equipment, and said CPU comprises CPU, data conversion storage module, data processing module and function modular converter; Said operating equipment comprises man-machine interface or telecommunication devices; Said sensor is connected with said signal picker through data bus; Said signal picker is connected with said CPU through data bus; Said CPU is connected with said data conversion storage module, data processing module and function modular converter respectively through data bus; Said function modular converter is connected with said opertaing device through data bus, and said IO interface is connected with said operating equipment with said CPU through data bus respectively;
Correlated condition signal through said man-machine interface or telecommunication devices input setting; These correlated condition signals are delivered to said CPU through said IO interface; Said CPU sends data sampling signal to said signal picker; Said signal picker is collected the live signal that said sensor sends and is back to said CPU; Said CPU carries out these live signals data operation and carries out unloading through said data conversion storage module through said data processing module, converts some control signals to and passes to said opertaing device through said function modular converter again, gives operating equipment through said IO interface move instruction more at last.
2. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that,
The correlated condition signal that said man-machine interface or telecommunication devices input are set comprises temperature signal, moisture signal and air pressure signal;
The live signal that said sensor sends comprises normal voltage signal, normalized current signal, frequency signal, thermocouple signal and thermal resistance signal;
Said opertaing device comprises frequency-variable controller, flow controller, temperature compensator, the compatible device of instrument, digital corrector, position formula regulator, balance conditioning device;
Said operating equipment also comprises automatic quantity regulating device for air, automatic louver angular adjustment apparatus, alarm output device, data link and printing equipment.
3. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that said refrigeration unit comprises compressor, air cooler, expansion valve, vapour liquid separator and air-cooled condenser.
4. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that said fuel heater comprises motor, oil pump, combustion-supporting fan, atomizer, petroleum pipeline, main chamber, glow plug, firing chamber and heat radiator.
5. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that, said two air draught roads vertically are arranged on the forward and backward side in the said operation room; Said two hot-flow flues run transverse through said middle compartment and lay respectively at the forward and backward side in bottom in the said test cabinet.
6. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that the trailing flank of said operation room is provided with an air inlet and a window shutter, and the leading flank of said operation room is provided with a fan operation room door.
7. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that, a fuel reserve tank also is installed in the said operation room, and said fuel heater and said fuel reserve tank are installed on the fixed mount.
8. extreme high-low-temperature environmental testing shelter according to claim 1 is characterized in that, offers a fan test cabinet door on the right side of said test cabinet, is respectively equipped with a view window on the leading flank of this test cabinet door and said test cabinet.
9. extreme high-low-temperature environmental testing shelter according to claim 1; It is characterized in that; The below of said fuel heater also is provided with a smoke exhaust pipe; The inlet scoop of this smoke exhaust pipe connects said fuel heater, and the exhaust opening of this smoke exhaust pipe passes the trailing flank of said operation room, so that the waste gas of said fuel heater burning is discharged said test shelter.
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| CN2010105100775A CN102012483B (en) | 2010-10-15 | 2010-10-15 | Test cabin for extreme high and low-temperature environments |
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| CN2010105100775A CN102012483B (en) | 2010-10-15 | 2010-10-15 | Test cabin for extreme high and low-temperature environments |
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| CN102928780B (en) * | 2012-11-05 | 2015-04-08 | 永济新时速电机电器有限责任公司 | Step-in type motor load testing hot and damp box |
| CN104833888B (en) * | 2015-05-27 | 2018-04-20 | 芜湖佳宏新材料股份有限公司 | Heat cable cold cycling equipment for testing service life and test method |
| CN109361533B (en) * | 2018-09-17 | 2022-12-23 | 视联动力信息技术股份有限公司 | Temperature resistance testing method and device |
| CN109933050B (en) * | 2019-04-10 | 2021-09-28 | 焦作华飞电子电器股份有限公司 | High-altitude and low-temperature environment electric control device monitoring system and method based on Internet of things |
| CN110440635B (en) * | 2019-08-03 | 2021-09-17 | 广州克莱美特仪器设备科技有限公司 | Special embedded impact-proof and vibration-proof high-low temperature damp-heat environment shooting test chamber for artillery system |
| CN114910788A (en) * | 2022-07-12 | 2022-08-16 | 南昌三瑞智能科技有限公司 | Environment control device and method for motor heat dissipation performance experiment |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Qingpu Tianchen road 201712 Shanghai City Park of Zhangjiang High tech Zone No. 1633 Patentee after: Shanghai Cooltech Power Co., Ltd. Address before: Qingpu Industrial Park Qingpu District Shanghai city 201703 Songhua Road No. 888 Patentee before: Shanghai Cooltech Power Co., Ltd. |