CN106020268B - The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system - Google Patents
The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system Download PDFInfo
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- CN106020268B CN106020268B CN201610504574.1A CN201610504574A CN106020268B CN 106020268 B CN106020268 B CN 106020268B CN 201610504574 A CN201610504574 A CN 201610504574A CN 106020268 B CN106020268 B CN 106020268B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1951—Control of temperature characterised by the use of electric means with control of the working time of a temperature controlling device
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Present invention discloses a kind of quick-cooling and quick-warmings being precisely controlled safely to automatically switch temperature control system, it includes oil outlet pipe, oil return line, the cooling recirculation system and heating circulation system being connected to respectively with oil outlet pipe and oil return line pipeline, cooling recirculation system includes cold oil case, first pumping, heating circulation system includes hot oil case, second pumping, cooling recirculation system with oil return line, the first pneumatic operated valve is provided on oil outlet pipe connecting pipe, second pneumatic operated valve, heating circulation system with oil return line, the 4th pneumatic operated valve is provided on oil outlet pipe connecting pipe, 5th pneumatic operated valve, third pneumatic operated valve is provided on cold oil case and the first pumping connecting pipe, the 6th pneumatic operated valve is provided on hot oil case and the second pumping connecting pipe, hot oil case connect with cold oil case pipeline and is provided with the 7th pneumatic operated valve on the pipeline.The present invention is capable of opening or closing for accurate control piper, automatically heat and cooling switching, high system safety to realize.
Description
[technical field]
The invention belongs to technical field of temperature control, cut automatically more particularly to a kind of quick-cooling and quick-warming being precisely controlled safely
Change temperature control system.
[background technique]
Temperature control in modern manufacturing industry using extremely wide, such as pharmacy, cosmetics reaction kettle, carbon fiber manufacture control
Warm field.Wherein, some manufacture course of products need high/low temperature to be switched fast, for example, need by temperature 280 DEG C of high temperature with it is low
It is switched fast between 0 DEG C of temperature, and way in the prior art is two equipment of configuration, one for medium to be heated to from room temperature
High temperature；Another is then by medium from room temperature cooling to low temperature.However manual control manual switching valve is needed in switching
Mode or the entire control system of manual control realize the switching of control valve.The method needs artificial lasting monitoring, time-consuming consumption
Power；And temperature control precision is low, general error is at 2~4 DEG C, it is difficult to meet client's production requirement.
Therefore, it is necessary to which providing one kind quick-cooling and quick-warming that new safety is precisely controlled automatically switches temperature control system to solve
State problem.
[summary of the invention]
It is an object of the present invention to provide a kind of quick-cooling and quick-warmings being precisely controlled safely to automatically switch temperature control system, energy
Enough accurate control pipers open or close, and automatically heat and cooling switching, high system safety to realize.
The present invention is achieved through the following technical solutions above-mentioned purpose: a kind of quick-cooling and quick-warming automatic switchover being precisely controlled safely
Temperature control system comprising oil outlet pipe, oil return line, be connected to respectively with the oil outlet pipe and the oil return line pipeline it is cold
But the circulatory system and heating circulation system, the cooling recirculation system include cold oil case, the first pumping, the heating circulation system
Including hot oil case, the second pumping, the cooling recirculation system is on the pipeline being connected to the oil return line, the oil outlet pipe
Be respectively arranged with the first pneumatic operated valve, the second pneumatic operated valve, the heating circulation system with the oil return line, the oil outlet pipe
It is respectively arranged with the 4th pneumatic operated valve, the 5th pneumatic operated valve on the pipeline of connection, is connected in the cold oil case with first pumping
Third pneumatic operated valve is provided on pipeline, it is pneumatic to be provided with the 6th on the pipeline that the hot oil case is connected to second pumping
Valve, pipeline connects and is provided with the 7th pneumatic operated valve on the pipeline between the hot oil case and the cold oil case.
It further, further include the air-channel system for running through the cooling recirculation system and the heating circulation system, it is described
Air-channel system and first pneumatic operated valve, second pneumatic operated valve, the third pneumatic operated valve, the 4th pneumatic operated valve, described the
Five pneumatic operated valves, the 6th pneumatic operated valve and the 7th pneumatic valve pipeline connection.
Further, the cooling recirculation system includes heat exchanger and cooling device,
Between the cold oil case and the heat exchanger, the heat exchanger and it is described first pumping between, it is described first pumping
Pipeline is connected between the cold oil case, forms circulation line；
Pipeline is connected to and forms circulation line between the heat exchanger and the cooling device.
Further, the cold oil case is connected to the oil return line pipeline, and first pneumatic operated valve is arranged described cold
On the pipeline that fuel tank is connected to the oil return line.
Further, first pumping is connected to the oil outlet pipe pipeline, and second pneumatic operated valve is arranged described
On the pipeline that first pumping is connected to the oil outlet pipe.
Further, the cooling device include air compressor, the condenser that is connected to the air compressor pipeline.
Further, the air compressor, the condenser are connected to the heat exchanger tube respectively.
Further, the heating circulation system includes heating tube, between the hot oil case and the heating tube, it is described plus
Between heat pipe and second pumping, second pumping is connected to pipeline between the hot oil case and forms circulation line.
Further, the hot oil case is connected to the oil return line pipeline, and the 4th pneumatic operated valve is arranged in the heat
On the pipeline that fuel tank is connected to the oil return line.
Further, second pumping is connected to the oil outlet pipe pipeline, and the 5th pneumatic operated valve is arranged described
On the pipeline that second pumping is connected to the oil outlet pipe.
Compared with prior art, a kind of quick-cooling and quick-warming being precisely controlled safely of the present invention automatically switches the beneficial of temperature control system
Effect is: capableing of opening or closing for accurate control piper, automatically heat and cooling switching, system peace to realize
Quan Xinggao.Specifically,
1) it is run by the first pumping, the first pneumatic operated valve, the second pneumatic operated valve in cooling recirculation system are opened, and air is passed through
Compressor cools down cooling medium, carries out heat with thermally conductive medium at heat exchanger and exchanges, so that thermally conductive medium reaches one
Fixed low temperature, into oil outlet pipe, cooling system carries out self-loopa；
2) it is run by the second pumping, the 4th pneumatic operated valve, the 5th pneumatic operated valve in heating circulation system are opened, and heating is passed through
Pipe heats thermally conductive medium, reaches certain high-temperature, and into oil outlet pipe, hot systems carry out self-loopa；
3) it is realized out according to the demand of client by the switching of pneumatic operated valve in cooling recirculation system and heating circulation system
The quick automatic switching of high/low temperature at oil pipe line, first by the thermally conductive media transmission of high temperature to client, to customer equipment into
Row quickly heats, maintenance a few minutes or even shorter time, and after temperature needed for reaching client, inlet and outlet operated pneumatic valve is cut
It changes, by the thermally conductive media transmission of low temperature to client, customer equipment is rapidly cooled, maintain a few minutes, so to recycle, thus
Realize the temperature control function of quick high/low temperature switching；
4) hot oil case is connect with cold oil case by pipeline, and the 7th pneumatic operated valve is set on the pipeline, pass through the 7th gas
The unlatching of dynamic valve realizes the release to hot oil case and cold tank internal pressure with closure, makes on the one hand to ensure that hot oil case and cold oil
Pressure stability and internal security in case；On the other hand be conducive to thermally conductive matchmaker in cooling recirculation system and heating circulation system
The smooth circulation being situated between.
[Detailed description of the invention]
Fig. 1 is the system control schematic diagram of the embodiment of the present invention；
Digital representation in figure:
1 oil outlet pipe, 11 first thermocouples；2 oil return lines, 21 first filters, 22 second thermocouples；
31 cold oil casees, 311 first liquid-level switches, 312 first pouring orifices, 313 first oil discharge outlets；32 heat exchangers, 321 thirds
Thermocouple, 322 second oil discharge outlets；33 first pumpings, 331 first pressure gauges, 332 the 4th thermocouples；341 air compressors, 342
Condenser, 343 devices for drying and filtering, 35 second filters, 36 second pneumatic operated valves, 37 third pneumatic operated valves, 38 first pneumatic operated valves, 39
One check-valves；
41 hot oil casees, 411 second liquid-level switches, 412 nitrogen outlets, 413 nitrogen inlets, 4131 second check-valves, 414
Two pouring orifices, 415 third oil discharge outlets, 416 second pressure gauges, 417 pressure transmitters, 418 safety valves；42 heating tubes, 421 the 4th
Oil discharge outlet, 422 overtemperature prote galvanic couples；43 second pumpings, 431 third pressure gauges, 432 the 6th thermocouples；44 third filters；45
5th thermocouple；46 the 5th pneumatic operated valves；47 the 6th pneumatic operated valves；48 the 4th pneumatic operated valves；49 third check-valves；
51 blow vents；52 the 4th filters；53 third pressure gauges；54 pressure switches；
6 the 7th pneumatic operated valves.
[specific embodiment]
Embodiment:
Fig. 1 is please referred to, the present embodiment is a kind of quick-cooling and quick-warming automatic switchover temperature control system being precisely controlled safely comprising
Oil outlet pipe 1, oil return line 2, the cooling recirculation system being connected to oil outlet pipe 1 and 2 pipeline of oil return line and heat cycles system
System and through cooling recirculation system and heating circulation system air-channel system.
The first thermocouple 11 is provided at oil outlet pipe 1.First thermocouple 11 is gone out mainly for detection of from oil outlet pipe 1
Thermally conductive medium temperature.
First filter 21, the second thermocouple 22 are disposed with along direction of the traffic at oil return line 2.Second thermocouple 22
Predominantly detect the temperature of the thermally conductive medium entered from oil return line 2.
Cooling recirculation system includes cold oil case 31, the pumping of heat exchanger 32, first 33 and cooling device 34.Wherein, cold oil
Case 31 is connected to heat exchanger 32, heat exchanger 32 with pipeline between first the 33, first pumping 33 of pumping and cold oil case 31, forms circulation
Pipeline；Heat exchanger 32 is connected to form circulation line with 34 pipeline of cooling device.
It is provided with the first liquid-level switch 311 in cold oil case 31, the first pouring orifice 312 and first row are provided on cold oil case 31
Hydraulic fluid port 313.It is provided with the second filter 35 on pipeline between cold oil case 31 and heat exchanger 32, and is set in 32 entrance of heat exchanger
It is equipped with third thermocouple 321, for detecting the temperature for entering the thermally conductive medium in heat exchanger 32 by cold oil case 31.Cold oil case 31
It is connected to 2 pipeline of oil return line, and is disposed with along direction of the traffic on the pipeline that cold oil case 31 is connected to oil return line 2
One pneumatic operated valve 38, first check-valve 39.It is provided with the second oil discharge outlet 321 on pipeline between heat exchanger 32 and the first pumping 33,
Ball valve switch is provided at the second oil discharge outlet 321.First pumping 33 is connected to 1 pipeline of oil outlet pipe, and pumps 33 first
The second pneumatic operated valve 36 is provided on the pipeline being connected to oil outlet pipe 1, it is primary along direction of the traffic in the first 33 exits of pumping
It is provided with first pressure gauge 331, the 4th thermocouple 332.4th thermocouple 332 is pumped into flowline for detecting the first pumping 33
The temperature of thermally conductive medium at road 1.Third pneumatic operated valve 37 is provided on the pipeline that the first pumping 33 is connected to cold oil case 31.It is cold
But the condenser 342 that device 34 includes air compressor 341, is connected to 341 pipeline of air compressor.It is air compressor 341, cold
Condenser 342 is connected to 32 pipeline of heat exchanger respectively.Dry filter is provided on the pipeline that condenser 342 is connected to heat exchanger 32
Device 343.
Heating circulation system includes hot oil case 41, the pumping of heating tube 42, second 43.Wherein, hot oil case 41 and heating tube 42
Pipeline connection；Heating tube 42 is connected to the second 43 pipelines of pumping；Second pumping 43 connects with 41 pipeline of hot oil case, to form circulation
Pipeline.
The second liquid-level switch 411, nitrogen outlet 412, nitrogen inlet 413, the second pouring orifice are provided on hot oil case 41
414, third oil discharge outlet 415, second pressure gauge 416, pressure transmitter 417 and safety valve 418.In nitrogen inlet 413 and heat
Second check-valve 4131 is provided on the pipeline that fuel tank 41 is connected to.It is set gradually on the pipeline that hot oil case 41 is connected to heating tube 42
There are third filter 44, the 5th thermocouple 45, the 4th oil discharge outlet 421, the 5th thermocouple 45 is entered for detecting by hot oil case 41
The temperature of thermally conductive medium in heating tube 42.Hot oil case 41 is connected to 2 pipeline of oil return line, and in hot oil case 41 and oil return pipe
The 4th pneumatic operated valve 48, third check-valves 49 are disposed with along direction of the traffic on the pipeline that road 2 is connected to.At 4th oil discharge outlet 421
It is provided with ball valve switch.Heating tube 42 is internally provided with overtemperature prote galvanic couple 421.Second pumping 43 connects with 1 pipeline of oil outlet pipe
It is logical, and it is provided with the 5th pneumatic operated valve 46 on the pipeline that the second pumping 43 is connected to oil outlet pipe 1,43 exits are pumped second
Third pressure gauge 431, the 6th thermocouple 432 are once provided with along direction of the traffic.6th thermocouple 432 is for detecting the second pump
Pu 43 is pumped into the temperature of the thermally conductive medium at oil outlet pipe 1.It is arranged on the pipeline that the second pumping 43 is connected to hot oil case 41
There is the 6th pneumatic operated valve 47.
Cold oil case 31 is connected to 41 pipeline of hot oil case, and is provided on the pipeline that cold oil case 31 is connected to hot oil case 41
Seven pneumatic operated valves 6.
Air-channel system includes the blow vent 51 set gradually along pipeline, the 4th filter 52, third pressure gauge 53 and pressure
Power switch 54.Blow vent 51 and the first pneumatic operated valve 38, the second pneumatic operated valve 36, third pneumatic operated valve 37, the 4th pneumatic operated valve 48, the 5th gas
Dynamic valve 46, the 6th pneumatic operated valve 47 and the connection of 6 pipeline of the 7th pneumatic operated valve.
A kind of quick-cooling and quick-warming being precisely controlled safely of the present embodiment, which automatically switches temperature control system, can quickly realize cooling
With the mutual automatic switchover of heating system, and heat high with cooling efficiency, temperature control precision error can be controlled in ± 1 DEG C；Energy
Temperature is heated to 280 DEG C from 30 DEG C in 3min by enough realize, while realizing and temperature is dropped to 30 from 280 DEG C in 5min
℃；Security performance is high, applied widely.Specifically,
1) it is run by the first pumping 33, the first pneumatic operated valve 38, the second pneumatic operated valve 36, third gas in cooling recirculation system
Dynamic valve 37 is opened, and is cooled down cooling medium by air compressor 341, carries out heat with thermally conductive medium at heat exchanger 32
Exchange, so that thermally conductive medium reaches certain low temperature, into oil outlet pipe 1, cooling system carries out self-loopa；
2) it is run by the second pumping 43, the 4th pneumatic operated valve 48, the 5th pneumatic operated valve 46, the 6th gas in heating circulation system
Dynamic valve 47 is opened, and is heated thermally conductive medium by heating tube 42, is reached certain high-temperature, into oil outlet pipe 1, heat system
System carries out self-loopa；
3) it is realized out according to the demand of client by the switching of pneumatic operated valve in cooling recirculation system and heating circulation system
The quick automatic switching of high/low temperature at oil pipe line 1, first by the thermally conductive media transmission of high temperature to client, to customer equipment into
Row quickly heats, maintenance a few minutes or even shorter time, and after temperature needed for reaching client, inlet and outlet operated pneumatic valve is cut
It changes, by the thermally conductive media transmission of low temperature to client, customer equipment is rapidly cooled, maintain a few minutes, so to recycle, thus
Realize the temperature control function of quick high/low temperature switching；
4) hot oil case 41 is connect with cold oil case 31 by pipeline, and the 7th pneumatic operated valve 6 is set on the pipeline, by the
The unlatching of seven pneumatic operated valves 6 realizes the release to hot oil case 41 and 31 internal pressure of cold oil case with closure, makes on the one hand to ensure that heat
Pressure stability and internal security in fuel tank 41 and cold oil case 31；On the other hand be conducive to cooling recirculation system to follow with heating
The smooth circulation of thermally conductive medium in loop system；
5) by oil outlet pipe 1, oil return line 2, the outlet of cooling recirculation system and heat cycles oil outlet pipe
The monitoring temperature of thermally conductive medium, precise control of temperature maintain 0 DEG C of -280 DEG C of any temperature spot, ensure that the control of temperature is accurate
Degree and stability；
6) nitrogen outlet 412, nitrogen inlet 413 are provided in hot oil case 41, by being passed through in heating circulation system
Nitrogen, by thermally conductive medium and air exclusion, it is therefore prevented that thermally conductive medium temp is excessively high and Ignition Phenomena occurs；
7) it is obtained by automatic temperature-adjusting, setting needs temperature automatic adjustment switching valve to control the high/low temperature of equipment output
Degree is realized and is automatically controlled, reduces human cost.
Above-described is only some embodiments of the present invention.For those of ordinary skill in the art, not
Under the premise of being detached from the invention design, various modifications and improvements can be made, these belong to protection model of the invention
It encloses.
Claims (7)
1. a kind of quick-cooling and quick-warming quick automatic switching temperature control system, it is characterised in that: it includes oil outlet pipe, oil return line, divides
The cooling recirculation system and heating circulation system not being connected to the oil outlet pipe and the oil return line pipeline, the cooling follow
Loop system is respectively arranged with the first pneumatic operated valve, second pneumatically on the pipeline being connected to the oil return line, the oil outlet pipe
Valve, the heating circulation system are respectively arranged with the 4th gas on the pipeline being connected to the oil return line, the oil outlet pipe
Dynamic valve, the 5th pneumatic operated valve；
The cooling recirculation system includes cold oil case, heat exchanger, the first pumping and cooling device, and the cooling device includes sky
Air compressor, the condenser being connected to the air compressor pipeline, wherein between the cold oil case and the heat exchanger, institute
It states between heat exchanger and first pumping, first pumping is connected to pipeline between the cold oil case, formation circulation line；
Pipeline is connected to and forms circulation line between the heat exchanger and the cooling device；It is provided in the entrance of the heat exchanger
For detecting the third thermocouple for entering the thermally conductive medium temp in the heat exchanger by the cold oil case, in first pump
Pu exit is provided with the 4th thermoelectricity of the thermally conductive medium temp that detection is pumped into the oil outlet pipe by described first
It is even；
The heating circulation system includes hot oil case, heating tube, the second pumping, wherein the hot oil case and the heating tube it
Between, between the heating tube and second pumping, second pumping is connected to and formed with pipeline between the hot oil case and follow
Endless tube road；It is provided with detection on the pipeline that the hot oil case is connected to the heating tube, the heating is entered by the hot oil case
5th thermocouple of the thermally conductive medium temp in pipe；Second pumping exit is provided with detection to be pumped by second pumping
It is sent to the 6th thermocouple of the thermally conductive medium temp at the oil outlet pipe；
Be provided with third pneumatic operated valve on the cold oil case and the pipeline that is connected to of the first pumping, the hot oil case with it is described
It is provided with the 6th pneumatic operated valve on the pipeline of second pumping connection, pipeline connects and at this between the hot oil case and the cold oil case
The 7th pneumatic operated valve is provided on pipeline.
2. quick-cooling and quick-warming quick automatic switching temperature control system as described in claim 1, it is characterised in that: further include through described
The air-channel system of cooling recirculation system and the heating circulation system, the air-channel system and first pneumatic operated valve, described the
Two pneumatic operated valves, the third pneumatic operated valve, the 4th pneumatic operated valve, the 5th pneumatic operated valve, the 6th pneumatic operated valve and described
7th pneumatic valve pipeline connection.
3. quick-cooling and quick-warming quick automatic switching temperature control system as described in claim 1, it is characterised in that: the cold oil case and institute
The connection of oil return line pipeline is stated, first pneumatic operated valve is arranged on the pipeline that the cold oil case is connected to the oil return line.
4. quick-cooling and quick-warming quick automatic switching temperature control system as described in claim 1, it is characterised in that: it is described first pumping with
The pipeline that first pumping is connected to the oil outlet pipe is arranged in the oil outlet pipe pipeline connection, second pneumatic operated valve
On.
5. quick-cooling and quick-warming quick automatic switching temperature control system as described in claim 1, it is characterised in that: the air compression
Machine, the condenser are connected to the heat exchanger tube respectively.
6. quick-cooling and quick-warming quick automatic switching temperature control system as described in claim 1, it is characterised in that: the hot oil case and institute
The connection of oil return line pipeline is stated, the 4th pneumatic operated valve is arranged on the pipeline that the hot oil case is connected to the oil return line.
7. quick-cooling and quick-warming quick automatic switching temperature control system as described in claim 1, it is characterised in that: it is described second pumping with
The pipeline that second pumping is connected to the oil outlet pipe is arranged in the oil outlet pipe pipeline connection, the 5th pneumatic operated valve
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504574.1A CN106020268B (en) | 2016-06-30 | 2016-06-30 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610504574.1A CN106020268B (en) | 2016-06-30 | 2016-06-30 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
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| Publication Number | Publication Date |
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| CN106020268A CN106020268A (en) | 2016-10-12 |
| CN106020268B true CN106020268B (en) | 2018-12-04 |
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| CN201610504574.1A Active CN106020268B (en) | 2016-06-30 | 2016-06-30 | The quick-cooling and quick-warming being precisely controlled safely automatically switches temperature control system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108722011A (en) * | 2018-07-16 | 2018-11-02 | 高云芝 | A kind of filter at low temperature equipment |
| CN115122544A (en) * | 2021-03-26 | 2022-09-30 | 汉达精密电子(昆山)有限公司 | Cold and hot switched systems of mould |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100517153C (en) * | 2007-02-07 | 2009-07-22 | 李小卿 | Automatic temperature control apparatus of mould |
| CN101100106A (en) * | 2007-07-26 | 2008-01-09 | 山东大学 | Plastic mould rapid heating and cooling temperature controlling device |
| JP2009138982A (en) * | 2007-12-05 | 2009-06-25 | Air Water Inc | Cooling/heating device and method |
| CN201633179U (en) * | 2010-05-06 | 2010-11-17 | 深圳市奥德机械有限公司 | Fast-cooling and fast-heating mold temperature machine |
| CN102354168B (en) * | 2011-06-28 | 2013-06-12 | 重庆青山工业有限责任公司 | Electro-hydraulic control system of high/ low temperature test stand of automobile automation transmission valve body |
| CN203557577U (en) * | 2013-08-16 | 2014-04-23 | 东莞市大田瑞鑫机械科技有限公司 | Energy-saving quick-cooling quick-heating mold temperature controller |
| CN104199479B (en) * | 2014-08-20 | 2016-06-29 | 浙江华亿工程设计有限公司 | Stepless temperature control system |
| CN205959092U (en) * | 2016-06-30 | 2017-02-15 | 苏州奥德机械有限公司 | Safe accurate control's quick -cooling and quick -heating automatic switch -over temperature control system |
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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. |