CN205957533U - Warm oily control system of height that temperature -controlled precision is high - Google Patents

Warm oily control system of height that temperature -controlled precision is high Download PDF

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Publication number
CN205957533U
CN205957533U CN201620675698.1U CN201620675698U CN205957533U CN 205957533 U CN205957533 U CN 205957533U CN 201620675698 U CN201620675698 U CN 201620675698U CN 205957533 U CN205957533 U CN 205957533U
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China
Prior art keywords
temperature
control system
controlled precision
pumping
deep fat
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CN201620675698.1U
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Chinese (zh)
Inventor
周定山
祝新生
廖晓军
姜定坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Aode high end equipment Co.,Ltd.
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SUZHOU AODE MACHINERY CO Ltd
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Priority to CN201620675698.1U priority Critical patent/CN205957533U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The utility model discloses a warm oily control system of height that temperature -controlled precision is high, it is including going out the oil pipe way, go back to the oil pipe way, cooling device, heating device, the pumping, cooling water system, PLC controlling means and temperature controller, after heating device and cooling device gather and play oil pipe way intercommunication, pumping and time oil pipe way, heating device and cooling device pipeline intercommunication, the pumping through after the electric T -shaped valve reposition of redundant personnel respectively with cooling device, the heating device intercommunication, it is provided with the 2nd temperature -sensing ware on the road to go out oil pipe, it is provided with the 3rd temperature -sensing ware on the road to return oil pipe, PLC controlling means and the 3rd temperature -sensing ware, the pumping, an electric T -shaped valve and temperature controller electricity intercommunication, temperature controller and the 2nd temperature -sensing ware electricity intercommunication. The utility model discloses temperature control accuracy is high, heat efficiency and refrigeration efficiency is high, can realize in the short time 30 DEG C~ temperature regulation in 200 DEG C of intervals, but control accuracy reaches 0.1 DEG C.

Description

A kind of high high/low temperature deep fat control system of temperature-controlled precision
【Technical field】
This utility model belongs to technical field of temperature control, the high high/low temperature deep fat control of more particularly to a kind of temperature-controlled precision System processed.
【Background technology】
Temperature control applies extremely wide, such as pharmacy, cosmetics reactor temperature control field in modern manufacturing industry.Existing In technology, temperature is controlled using single heating and cooling system, the manual switching mode with both carries out cold and hot exchange, its The precision difficult to reach controlling temperature requires, and often results in the reaction efficiency in impact reactor and effect;And for superelevation The control stability of gentle ultralow temperature is poor.
Therefore, it is necessary to provide a kind of high high/low temperature deep fat control system of new temperature-controlled precision to solve the above problems.
【Utility model content】
A purpose of the present utility model is the high/low temperature deep fat control system providing a kind of temperature-controlled precision high, can be certainly Move and heated and cooled down switching, and temperature control precision height, cooling and efficiency of heating surface height, good stability.
This utility model is achieved through the following technical solutions above-mentioned purpose:A kind of high high/low temperature deep fat of temperature-controlled precision controls System, it include outlet line, return line, chiller, heater, pumping, cooling water system, PLC control device and Temperature controller, described heater and described chiller collect after connect with described outlet line, described pumping with described Return line, described heater and described chiller pipeline communication, described first electric T-shaped valve that is pumped through shunts Connect with described chiller, described heater respectively afterwards, described outlet line is provided with second temperature induction apparatuss, described 3rd temperature inductor is provided with return line, described PLC control device and described 3rd temperature inductor, described pumping, Described first electric T-shaped valve and described temperature controller electric connection, described temperature controller and described second temperature induction apparatuss It is electrically connected.
Further, described cooling water system and described heater, described chiller pipeline communication.
Further, described heater includes connecting with described first electric T-shaped valve by the second electric T-shaped valve Heating tube and heat exchanger, described heat exchanger is connected with described cooling water system.
Further, described heating tube is connected with described outlet line, described heat exchanger tube.
Further, described temperature controller is electrically connected with described second electric T-shaped valve.
Further, the system that the vaporizer that described chiller includes connecting with described pumping is connected with described vaporizer Device for cooling and the condenser connecting with described refrigerating plant and described vaporizer, described condenser is with described cooling water system even Logical.
Further, the pipeline flowing to described vaporizer in described refrigerating plant is provided with parallel some expansions Valve, described expansion valve upstream is provided with the second electromagnetic valve.
Further, the pipeline flowing to described refrigerating plant in described vaporizer is provided with the first temperature inductor, institute State the first temperature inductor to electrically connect with described PLC control device.
Further, oil tank and gas collecting jar with ground-on cover plate are also included expanding, described gas collecting jar with ground-on cover plate collects rear and institute with described expansion oil tank State pumping duct connection.
Further, between described expansion oil tank and described gas collecting jar with ground-on cover plate, pipeline is connected and is provided with aerofluxuss electricity on this pipeline Magnet valve, described exhaust solenoid valve is electrically connected with described PLC control device.
Compared with prior art, the beneficial effect of the high high/low temperature deep fat control system of a kind of temperature-controlled precision of this utility model It is:Can automatic detection for temperature, realize the automatic switchover of cooling and heating, and temperature control precision be high, good stability, heats Efficiency and high cooling efficiency;The temperature adjustment in -30 DEG C~200 DEG C intervals can be realized at short notice, and controllable precision Reach ± 0.1 DEG C.Specifically,
1) heater and refrigerating plant are integrated in unified pipeline, are obtained by automatic temperature-adjusting, setting needs temperature Automatically adjust the first electric T-shaped valve and maintain -30 DEG C~200 DEG C to control the flow direction of heat conduction medium to realize temperature control interval;
2) setting heating tube and heat exchanger in heater, and by the second electric T-shaped valve connection, by PLC control Device controls the flow of the second electric three passes valve regulation cooling circuit and the power percentage of SCR control electrical heating output, Realize the automatic governing function of two kinds of heating modes, the temperature of stabilisation systemss;
3) two-stage refrigerating mode is set in chiller, is on the one hand freezed by air compressor;Another reverse side By the cooling medium after air compressor is lowered the temperature at condenser, carry out reducing temperature twice through supercooled water, this setting is significantly Improve cooling effectiveness;
4) parallel expansion valve is set in chiller, and is unified to connect with vaporizer, dress is controlled by PLC Put the flowing velocity to control cooling medium in chiller for the unlatching number controlling expansion valve, thus reaching control cooling effectiveness Function;
5) pass through for the outlet of the outlet through apparatus for supercooling and heater to share a pipeline realization and loop exit Connection, its compact conformation, save space;
6) it is provided with temperature inductor at loop exit with loop head, can accurately monitor loop exit and follow The temperature of ring porch, thus realizing degree of heat is precisely controlled with cooling degree, finally realizing precise control and recycling The temperature of the temperature control oil of mouth;
7) adopt integrated design, save the device space, and to refrigeration system compact Layout, save the consumed energy of radiating Amount, improves heating efficiency and the refrigerating efficiency of equipment.
【Brief description】
Fig. 1 is the module diagram of PLC in this utility model embodiment;
In figure numeral represents:
1 expansion oil tank;2 pumpings;3 vaporizers, 31 flow switches;
4 chillers, 41 condensers, 411 pressure-sensitive switches, 42 devices for drying and filtering, 43 expansion drums, 431 first electromagnetism Valve, 44 expansion valves, 441 second electromagnetic valves, 45 gas-liquid separators, 46 air compressors, 47 oils, 48 first temperature inductors;
5 heaters, 51 heating tubes, 511 second oil drain outs, 52 heat exchangers, 53 second electric T-shaped valves, 54 first pressures Sensor, 55 overtemperature prote modules;
6 outlet line, 61 second pressure sensors, 62 pressure gauges, 63 second temperature induction apparatuss;
7 return lines, 71 filters, 72 the 3rd temperature inductors;
8 coolant outlets;9 cooling water inlets;10PLC control device;11 temperature controllers;12 gass collecting jar with ground-on cover plate;13 aerofluxuss electricity Magnet valve;14 first oil drain outs;15 first electric T-shaped valves.
【Specific embodiment】
Embodiment:
Refer to Fig. 1, the present embodiment is a kind of high high/low temperature deep fat control system of temperature-controlled precision, it includes expanding oil tank 1st, pumping 2, vaporizer 3, chiller 4, heater 5, outlet line 6, return line 7, coolant outlet 8, cooling water enter Mouth 9, PLC control device 10 and temperature controller 11.
Coolant outlet 8 constitutes cooling water system with cooling water inlet 9.
Expand oil tank 1 and pumping 2 pipeline communication.Expand oil tank 1 and be internally provided with liquid-level switch (in figure does not indicate), liquid level Switch is electrically connected with PLC control device 10.
It is provided with gas collecting jar with ground-on cover plate 12 between pumping 2 and return line 7.It is provided with aerofluxuss between gas collecting jar with ground-on cover plate 12 and expansion oil tank 1 Electromagnetic valve 13, exhaust solenoid valve 13 respectively with gas collecting jar with ground-on cover plate 12, expand oil tank 1 pipeline communication.Pumping 2 and gas collecting jar with ground-on cover plate 12 and expansion oil It is provided with the first oil drain out 14 between tank 1.When first oil drain out 14 is mainly used in cleaning, maintenance gas collecting jar with ground-on cover plate 12 and expands oil tank 1 Discharge temperature control oil.Exhaust solenoid valve 13 is mainly used in discharging the gas in gas collecting jar with ground-on cover plate 12 and expansion oil tank 1, prevents deep fat from controlling system Pressure in pipeline in system is excessive and blasting phenomena occurs.
Exhaust solenoid valve 13 is electrically connected with PLC control device 10.PLC control device 10 is electrically connected with temperature controller 11.
Pumping 2, vaporizer 3 and heater 5 three are provided with the first electric T-shaped valve 15 in its intersection, pumping 2, Vaporizer 3 and heater 5 are connected with three ports of the first electric T-shaped valve 15 by pipeline respectively.First electric three passes Valve 15, pumping 2 are electrically connected with PLC control device 10.Temperature control oil is capable of by the first electric T-shaped valve 15 and enters cooling dress The automatic switchover put 4 or enter heater 5.
Vaporizer 3 is provided with flow switch 31 in its exit, and vaporizer 3 passes through pipeline communication with outlet line 6.
Chiller 4 is a loop structure and includes condenser 41, device for drying and filtering 42, expansion drum 43, is in parallel Four expansion valves 44, gas-liquid separator 45, air compressor 46 and oil 47.
Gas-liquid separator 45, air compressor 46 and oil 47 constitute refrigerating plant.
The one outlet of condenser 41 respectively with device for drying and filtering 42, expansion drum 43 pipeline communication, device for drying and filtering 42 with Expansion drum 43 is in parallel setting.It is provided with pressure-sensitive switch between condenser 41 and device for drying and filtering 42, expansion drum 43 411.It is provided with the first electromagnetic valve 431 at the inlet port of expansion drum 43.Four expansion valves 44 are in tandem with device for drying and filtering 42 Setting, and wherein three expansion valves 44 are connected with an inlet duct of vaporizer 3, another expansion valve 44 and gas-liquid separator 45 pipeline communications.Expansion drum 43 and gas-liquid separator 45 pipeline communication.Gas-liquid separator 45 and air compressor 46 pipeline communication. Oil 47 and condenser 41 pipeline communication.It is cold that gas-liquid separator 45 is provided with vaporizer 3 pipeline communication and between the two monitoring But the first temperature inductor 48 of medium temperature.It is provided with the second electromagnetic valve between each expansion valve 44 and device for drying and filtering 42 441.Condenser 41 respectively with coolant outlet 8, cooling water inlet 9 pipeline communication.
PLC control device 10 and pressure-sensitive switch 411, the first electromagnetic valve 431, the second electromagnetic valve 441, the first temperature sense Device 48 is answered to be electrically connected.
In chiller 4, cooling medium carries out heat exchange with cooling water at condenser 41 and reduces its temperature, and Carry out, at vaporizer 3, the temperature that heat exchange reduces temperature control oil with temperature control oil, thus realizing the refrigerating function to temperature control oil.Cooling Water sequentially passes through cooling water inlet 9, condenser 41, coolant outlet 8 and cooling water inlet 9 and is circulated motion;Simultaneously cold But medium sequentially passes through condenser 41, device for drying and filtering 42, expansion valve 44, vaporizer 3, gas-liquid separator 45, air compressor 46th, oil 47 arrives condenser 41 again and is circulated motion.
By arranging parallel multiple expansion valves 44, and it is correspondingly arranged second electromagnetism before each expansion valve 44 Valve 441, is capable of controlling cooling effectiveness by controlling the flow entering the cooling medium in vaporizer 3, has saved resource. Expansion drum 43 is set between condenser 41 and gas-liquid separator 45, when PLC control device 10 detects pipeline in chiller 4 When interior pressure value is low, expansion drum 43 clamp-ons internal cooling medium in pipeline, and pipeline is fed, and improves cooling Pressures cycle within pipeline in device 4.Chiller 4 to control cooling effect not only by the unlatching number of expansion valve 44 Rate, also can improve cooling effectiveness by the flowing velocity improving within pipeline in chiller 4.
Heater 5 includes heating tube 51, heat exchanger 52.
Heating tube 51, heat exchanger 52 and the first electric T-shaped valve 15 three intersection are provided with the second electric T-shaped valve 53, heating tube 51, heat exchanger 52 and the first electric T-shaped valve 15 are led to by three of pipeline and the second electric T-shaped valve 53 respectively Mouth connection.Heating tube 51 and outlet line 6 pipeline communication.It is provided with the second oil drain out 511 at heating tube 51.Heat exchanger 52 is respectively With coolant outlet 8, cooling water inlet 9 pass through pipeline communication, and with heating tube 51 pipeline communication.Heat exchanger 52 and heating tube 51 Between be provided with first pressure sensor 54.It is provided with overtemperature prote module 55 in heating tube 51.
PLC control device 10 is electrically connected with first pressure sensor 54.Temperature controller 11 is electronic with heating tube 51, second Three-way valve 53 is electrically connected.
In heater 5, temperature control oil directly can enter trip temperature adjustment by heating tube 51 to it, also can be partly through changing Hot device 52 reaches heating tube 51 again.Cooling water sequentially passes through cooling water inlet 9, heat exchanger 52, coolant outlet 8 and cooling water Entrance 9 is circulated motion, and temperature control oil carries out heat exchange with cooling water at heat exchanger 52, thus realizing the temperature to temperature control oil Degree adjustment.By temperature controller 11, can achieve the control to two rates of discharge in the second electric T-shaped valve 53, thus can be real Now distribution is directly entered the flow of heating tube 51 and enters back into the flow of heating tube 51 after heat exchanger 52, finally according to demand Reach the function of being precisely controlled temperature control oil.
Outlet line 6 is disposed with second pressure sensing along direction of the traffic between heater 5 and vaporizer 3 Device 61, pressure gauge 62 and second temperature induction apparatuss 63.Second pressure sensor 61 is electrically connected with PLC control device 10;Second Temperature inductor 63 is electrically connected with temperature controller 11.
Return line 7 and gas collecting jar with ground-on cover plate 12 are disposed with filter the 71, the 3rd by pipeline communication and along direction of the traffic Temperature inductor 72.3rd temperature inductor 72 is electrically connected with PLC control device 10.
The present embodiment is that a kind of operation principle of the high high/low temperature deep fat control system of temperature-controlled precision is:Pumping 2 is by temperature control Oil is pumped across the first electric T-shaped valve 15;PLC control device 10 is according to the Temperature Feedback of the 3rd temperature inductor 72, Yi Jike The desired temperature that family needs, PLC control device 10 judges to carry out cooling down also to be by heating;If being cooled down, the first electricity Dynamic three-way valve 15 is opened towards chiller 4 direction, during chiller 4, the temperature difference size that cools down as needed, and PLC The number of control device 10 and temperature controller 11 co- controlling expansion valve 44 unlatching and cooling medium inner flow velocity are come real The now cooling to temperature control oil;If being heated, the first electric T-shaped valve 15 is opened towards heater 5 direction, in heating dress During putting 5, the temperature difference size that heats as needed, PLC control device 10 and temperature controller 11 co- controlling second electronic The opening degree of three-way valve 53, distribution is directly entered the flow of heating tube 51 and enters back into heating tube 51 after heat exchanger 52 Flow, thus realize the heating to temperature control oil;Temperature control oil through apparatus for supercooling 4 or heater 5 enters through outlet line 6 To in the equipment of client, then return in gas collecting jar with ground-on cover plate 12 through return line 7, be exhausted, expand through exhaust solenoid valve 13 Oil tank 1 carries out repairing, then is pumped in system by pumping 2 and carries out next circulating path.
The present embodiment is a kind of having the beneficial effects that of the high high/low temperature deep fat control system of temperature-controlled precision:Can automatically examine Testing temperature, realizes the automatic switchover of cooling and heating, and temperature control precision height, good stability, heating efficiency and refrigerating efficiency High;The temperature adjustment in -30 DEG C~200 DEG C intervals can be realized at short notice, and controllable precision reaches ± 0.1 DEG C.Tool Body,
1) heater and refrigerating plant are integrated in unified pipeline, are obtained by automatic temperature-adjusting, setting needs temperature Automatically adjust the first electric T-shaped valve and maintain -30 DEG C~200 DEG C to control the flow direction of heat conduction medium to realize temperature control interval;
2) setting heating tube and heat exchanger in heater, and by the second electric T-shaped valve connection, by PLC control Device controls the flow of the second electric three passes valve regulation cooling circuit and the power percentage of SCR control electrical heating output, Realize the automatic governing function of two kinds of heating modes, the temperature of stabilisation systemss;
3) two-stage refrigerating mode is set in chiller, is on the one hand freezed by air compressor;Another reverse side By the cooling medium after air compressor is lowered the temperature at condenser, carry out reducing temperature twice through supercooled water, this setting is significantly Improve cooling effectiveness;
4) parallel expansion valve is set in chiller, and is unified to connect with vaporizer, dress is controlled by PLC Put the flowing velocity to control cooling medium in chiller for the unlatching number controlling expansion valve, thus reaching control cooling effectiveness Function;
5) pass through for the outlet of the outlet through apparatus for supercooling and heater to share a pipeline realization and loop exit Connection, its compact conformation, save space;
6) it is provided with temperature inductor at loop exit with loop head, can accurately monitor loop exit and follow The temperature of ring porch, thus realizing degree of heat is precisely controlled with cooling degree, finally realizing precise control and recycling The temperature of the temperature control oil of mouth;
7) adopt integrated design, save the device space, and to refrigeration system compact Layout, save the consumed energy of radiating Amount, improves heating efficiency and the refrigerating efficiency of equipment.
Above-described is only some embodiments of the present utility model.For the person of ordinary skill of the art, On the premise of creating design without departing from this utility model, some deformation can also be made and improve, these broadly fall into this practicality New protection domain.

Claims (10)

1. a kind of high high/low temperature deep fat control system of temperature-controlled precision it is characterised in that:It include outlet line, return line, Chiller, heater, pumping, cooling water system, PLC control device and temperature controller, described heater and described Chiller is connected with described outlet line after collecting, described pumping and described return line, described heater and described Chiller pipeline communication, described be pumped through first electric T-shaped valve shunting after respectively with described chiller, described heating Device connects, and described outlet line is provided with second temperature induction apparatuss, described return line is provided with the 3rd temperature sense Device, described PLC control device and described 3rd temperature inductor, described pumping, described first electric T-shaped valve and described temperature Degree controller is electrically connected, and described temperature controller is electrically connected with described second temperature induction apparatuss.
2. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 1 it is characterised in that:Described cooling water system System and described heater, described chiller pipeline communication.
3. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 1 it is characterised in that:Described heater Including the heating tube being connected with described first electric T-shaped valve by the second electric T-shaped valve and heat exchanger, described heat exchanger and institute State cooling water system connection.
4. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 3 it is characterised in that:Described heating tube with Described outlet line, the connection of described heat exchanger tube.
5. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 3 it is characterised in that:Described temperature control Device is electrically connected with described second electric T-shaped valve.
6. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 1 it is characterised in that:Described chiller The refrigerating plant that connects with described vaporizer including the vaporizer connecting with described pumping and with described refrigerating plant and described The condenser of vaporizer connection, described condenser is connected with described cooling water system.
7. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 6 it is characterised in that:In described refrigeration dress Put and be provided with parallel some expansion valves on the pipeline flow to described vaporizer, described expansion valve upstream is provided with the second electricity Magnet valve.
8. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 7 it is characterised in that:In described vaporizer First temperature inductor is provided with the pipeline flowing to described refrigerating plant, described first temperature inductor is controlled with described PLC Device electrically connects.
9. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 1 it is characterised in that:Also include expanding oil Tank and gas collecting jar with ground-on cover plate, described gas collecting jar with ground-on cover plate is connected with described pumping duct after being collected with described expansion oil tank.
10. the high high/low temperature deep fat control system of temperature-controlled precision as claimed in claim 9 it is characterised in that:Described expansion oil Between tank and described gas collecting jar with ground-on cover plate, pipeline is connected and is provided with exhaust solenoid valve on this pipeline, described exhaust solenoid valve with described PLC control device electrically connects.
CN201620675698.1U 2016-06-30 2016-06-30 Warm oily control system of height that temperature -controlled precision is high Active CN205957533U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016827A (en) * 2016-06-30 2016-10-12 苏州奥德机械有限公司 High-low-temperature heat oil control system with high temperature control precision
CN112628601A (en) * 2020-12-03 2021-04-09 蓝箭航天技术有限公司 Temperature control system for high-pressure gas preparation device and control method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106016827A (en) * 2016-06-30 2016-10-12 苏州奥德机械有限公司 High-low-temperature heat oil control system with high temperature control precision
CN106016827B (en) * 2016-06-30 2018-11-02 苏州奥德机械有限公司 A kind of high/low temperature deep fat control system that temperature-controlled precision is high
CN112628601A (en) * 2020-12-03 2021-04-09 蓝箭航天技术有限公司 Temperature control system for high-pressure gas preparation device and control method thereof

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GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province

Patentee after: Suzhou Aode high end equipment Co.,Ltd.

Address before: Room 3 and 4, 228 Wulian Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province

Patentee before: SUZHOU AODE MACHINERY Co.,Ltd.

CP01 Change in the name or title of a patent holder