CN114484950A - Intelligent refrigerating system - Google Patents
Intelligent refrigerating system Download PDFInfo
- Publication number
- CN114484950A CN114484950A CN202111681617.0A CN202111681617A CN114484950A CN 114484950 A CN114484950 A CN 114484950A CN 202111681617 A CN202111681617 A CN 202111681617A CN 114484950 A CN114484950 A CN 114484950A
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- China
- Prior art keywords
- refrigeration
- water
- main machine
- water tank
- intelligent
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000005057 refrigeration Methods 0.000 claims abstract description 84
- 238000005452 bending Methods 0.000 claims abstract description 22
- 239000004065 semiconductor Substances 0.000 claims description 16
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012782 phase change material Substances 0.000 description 1
- 230000003238 somatosensory effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/002—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment
- A41D13/005—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches with controlled internal environment with controlled temperature
- A41D13/0053—Cooled garments
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
Abstract
The invention discloses an intelligent refrigerating system, comprising: refrigeration clothing and host computer, the host computer includes: and the refrigerating device is communicated with the refrigerating pipeline and provides a cold source. The bending sensor is arranged on the water pipe and used for detecting a specific numerical value of the posture of the water pipe between a straight state and a maximum bending state; the main machine is configured to determine that the main machine is far away from the refrigeration clothes when the bending sensor recognizes that the posture of the water pipe is lower than a preset threshold value, and the main machine moves towards the direction of the water pipe until the value detected by the bending sensor is not lower than the preset threshold value. Through setting up crooked sensor, response water pipe bending state to can judge whether keep away from the host computer to the refrigeration clothing, when the host computer is kept away from the refrigerated object of needs, remove promptly and be close to the object, need not the people hand and control, promote intelligent automation greatly, enlarge the refrigeration scope. The intelligent refrigeration system is free from manual operation, so that the intelligent automation is greatly improved, and the refrigeration range is expanded.
Description
Technical Field
The invention relates to the technical field of refrigeration, in particular to an intelligent refrigeration system.
Background
More and more refrigerated garments are being developed based on the current human desire for cool and comfortable use in hot environments. Most of the refrigeration clothes on the market at present adopt a phase-change material refrigeration mode, a compressor refrigeration mode and a semiconductor refrigeration mode, wherein the semiconductor refrigeration mode is paid certain attention due to small volume and high efficiency.
The contact type semiconductor refrigeration air-conditioning garment comprises a garment body, a refrigeration unit and a control unit, wherein round holes are formed in the back and the front of the garment body, the refrigeration unit passes through the round holes and is detachably fixed on the garment body, the refrigeration unit comprises an outer shell, an inner shell, a fan, a semiconductor refrigeration piece and a cold guide shell, the outer shell is connected with the inner shell, the fan and the semiconductor refrigeration piece are arranged between the outer shell and the inner shell, the cold guide shell is fixed on the inner shell and close to one side inside the garment body, an air outlet is formed in the outer shell, an air inlet is formed in the inner shell, and the control unit is connected with a wiring harness and connected with the refrigeration unit through the wiring harness. The invention adopts the semiconductor temperature control technology to realize good somatosensory refrigeration effect and comfortable and convenient wearing.
However, the refrigeration garment is limited by power technology and cannot achieve the effect of long-time refrigeration. Therefore, chinese patent publications such as CN112773016A and CN105124803A all propose a way of separately installing a compressor refrigeration device outside the body and installing a refrigeration pipeline in the clothes to perform long-time refrigeration, so as to meet the existing requirements. However, since the volume and weight of the refrigeration device are related to the cooling capacity, a human body cannot move in a large area when carrying the refrigeration device, and thus the refrigeration device has certain defects.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides an intelligent refrigeration system capable of realizing safe activities.
The technical scheme is as follows: an intelligent refrigeration system comprising:
the refrigeration clothes comprise a plurality of refrigeration pipelines arranged on the refrigeration clothes;
a host, comprising:
the refrigerating device is used for providing a cold source and is communicated with the refrigerating pipeline through a water pipe;
the driving wheel is used for driving the main machine to move;
visual recognition means to recognize the mark;
a universal wheel;
and a power source;
a control device for controlling the driving wheel operation and the stop/start of the cooling device;
the bending sensor is arranged on the water pipe and used for detecting a specific numerical value of the posture of the water pipe between a straight state and a maximum bending state;
the main machine is configured to determine that the main machine is far away from the refrigeration clothes when the bending sensor recognizes that the posture of the water pipe is lower than a preset threshold value, and the main machine moves towards the direction of the water pipe until the value detected by the bending sensor is not lower than the preset threshold value.
Furthermore, the refrigerating device comprises a water tank, and a compressor, a condenser, a throttle valve and an evaporator which are sequentially connected, wherein the evaporator is arranged in the water tank, the condenser is arranged in the host close to the edge, and a fan and heat dissipation holes are arranged on the host corresponding to the condenser;
the external surface of the main machine is provided with a water outlet joint and a water inlet joint which are used for communicating the refrigeration pipeline, a water pump is also arranged in the water tank, the water pump is communicated with the water outlet joint, and the water tank is communicated with the water inlet joint.
Furthermore, the refrigerating device comprises a water tank and a semiconductor refrigerator, wherein the cold end of the semiconductor refrigerator is arranged in the water tank, the hot end of the semiconductor refrigerator is arranged at the position close to the edge in the host, and a fan and a heat dissipation hole are arranged at the position, corresponding to the hot end, of the host;
the external surface of the main machine is provided with a water outlet joint and a water inlet joint which are used for communicating the refrigeration pipeline, a water pump is also arranged in the water tank, the water pump is communicated with the water outlet joint, and the water tank is communicated with the water inlet joint.
Further, the main engine is internally divided into a storage bin, a working bin and a battery bin, the refrigerating system is arranged in the working bin, and the battery is arranged in the battery bin.
Furthermore, the driving wheel and the universal wheel are arranged at the bottom of the main machine, a pull rod capable of being pulled out is further arranged at the bottom of the main machine, the driving wheel is arranged in the pulling-out direction close to the pull rod, and the universal wheel is arranged in the pulling-out direction far away from the pull rod.
Furthermore, the throttle valve, the water tank, the condenser and the control device are respectively arranged close to four sides of the working bin, and the compressor is arranged in a middle vacant position formed by the throttle valve, the water tank, the condenser and the control device.
Furthermore, the water outlet joint and the water inlet joint are arranged on the outer side of the main machine in pairs, and at least two pairs of the water outlet joint and the water inlet joint are arranged.
Furthermore, a signal generator is arranged on the refrigeration clothes, a signal receiver is arranged on the corresponding host machine, and the host machine is configured to face towards the signal emission direction all the time.
Further, the driving wheel is connected with a motor, and the motor is controlled by a PWM signal given by the control device.
Has the advantages that: according to the intelligent refrigeration system, the bending sensor is arranged to sense the bending state of the water pipe, so that whether the refrigeration clothes are far away from the main machine or not can be judged, when the main machine is far away from an object needing refrigeration, the main machine moves to be close to the object, manual operation is not needed, intelligent automation is greatly improved, and the refrigeration range is expanded.
Drawings
FIG. 1 is a schematic diagram of one embodiment of an intelligent refrigeration system of the present invention;
FIG. 2 is a schematic perspective view of a main portion of the intelligent refrigeration system of FIG. 1;
FIG. 3 is a schematic diagram of an open state of the mainframe shown in FIG. 2;
fig. 4 is a schematic perspective view of the main body part shown in fig. 2 at another angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1-4, one embodiment of an intelligent refrigeration system of the present invention comprises: a refrigeration clothes 1 and a main machine 2 which are worn by human body. The refrigeration clothes 1 comprise a plurality of refrigeration pipelines 11 arranged on the refrigeration clothes 1, the refrigeration clothes 1 are used for being worn by a wearer and can be long sleeves, short sleeves or waistcoats, and the refrigeration clothes 1 can also be arranged in the shapes of hats or trousers and the like. The refrigeration circuit 11 is disposed on the inner surface of the refrigeration garment 1 in a serpentine shape, which may be customized according to the needs of the wearer, but is not limited in the present invention.
A host 2, comprising: a refrigeration device, a driving wheel 21, a bending sensor 31, a universal wheel 22, a power supply and control device 26. The refrigerating device is used for being communicated with the refrigerating pipeline 11 through the water pipe 3 and providing a cold source, and the driving wheel 21 is used for driving the main machine 2 to move. The control device 26 is used to control the operation of the driving wheels 21 and the stop/start of the cooling device.
The water pipe bending device further comprises a bending sensor 31 arranged on the water pipe 3 and used for detecting specific numerical values of the posture of the water pipe 3 between a straight state and a maximum bending state. Specifically, the degree of curvature of the water tubes 3 is set to 0 in the straight state and to 100 in the maximum curved state, and the posture, i.e., the degree of curvature, of the water tubes 3 is between 0 and 100 between the straight or maximum curved state.
The main machine 2 is configured to determine that the main machine 2 is far away from the refrigeration clothes 1 when the bending sensor 31 recognizes that the posture of the water pipe 3 is lower than a preset threshold value, such as 20, and the main machine 2 moves towards the water pipe 3 until the value detected by the bending sensor 31 is not lower than the preset threshold value.
Through setting up bending sensor 31, response 3 curved states of water pipe to can judge that refrigeration clothing 1 is kept away from host computer 2, when host computer 2 kept away from the refrigerated object of needs, remove promptly and be close to the object, need not the people and control, promote intelligent automation greatly, enlarge the refrigeration scope.
Specifically, refrigerating plant includes water tank 201 and compressor 203, condenser 204, choke valve 209 and the evaporimeter 202 that connects gradually, evaporimeter 202 locates in the water tank 201, condenser 204 locates be close to the edge in the host computer 2, just host computer 2 corresponds condenser 204 department is equipped with fan 205 and louvre 206. The fan 205 is used for blowing air to the condenser 204 for heat dissipation, and the hot air passing through the condenser 204 is discharged through the heat dissipation hole 206.
The outer surface of the main unit 2 is provided with a water outlet 207 and a water inlet 208 which are used for communicating the refrigeration pipeline 11, a water pump (not shown) is further arranged in the water tank 201, the water pump is communicated with the water outlet 207, and the water tank 201 is communicated with the water inlet 208.
In the working state, the refrigerant is compressed and cooled by the compressor 203, dissipated heat by the condenser 204, and expanded by the throttle valve 209, and then enters the evaporator 202, in this embodiment, the evaporator 202 is a spiral copper pipe, and is used for exchanging heat with the liquid in the water tank 201, such as water, and then continues to circulate after absorbing the heat of the liquid. And the liquid in the water tank 201 is pumped out by the water pump and then enters the refrigeration pipeline 11 of the refrigeration clothes 1 through the water outlet joint 207, so as to carry out cold source transmission on the wearer.
In another embodiment, the refrigeration apparatus is a semiconductor refrigeration apparatus, and includes a water tank 201 and a semiconductor refrigerator, a cold end of the semiconductor refrigerator is disposed in the water tank 201, a hot end of the semiconductor refrigerator is disposed near an edge in the host 2, and a fan 205 and a heat dissipation hole 206 are disposed at a position of the host 2 corresponding to the hot end.
The outer surface of the main unit 2 is provided with a water outlet joint 207 and a water inlet joint 208 which are used for communicating the refrigeration pipeline 11, a water pump is further arranged in the water tank 201 and communicated with the water outlet joint 207, and the water tank 201 is communicated with the water inlet joint 208.
In a preferred embodiment, the main body 2 is divided into a storage compartment 25, a working compartment 27 and a battery compartment 28, the refrigeration system is disposed in the working compartment 27, and the battery is disposed in the battery compartment 28. The storage compartment 25 can be used for storing tools or common articles required by the wearer, so that the host 2 can have a certain storage function. The battery compartment 28 is set as an independent cavity to protect the power supply from affecting the power supply in the battery compartment 28 when the water tank 201 in the working compartment 27 leaks or the refrigerant leaks, thereby improving the safety performance of the device.
In a preferred embodiment, the driving wheel 21 and the universal wheel 22 are disposed at the bottom of the main body 2, and the pull rod 4 capable of being pulled out is further disposed at the bottom of the main body 2, the driving wheel 21 is disposed in a pulling-out direction close to the pull rod 4, and the universal wheel 22 is disposed in a pulling-out direction away from the pull rod 4. Therefore, the main machine 2 can be pulled to drag by a user after the pull rod 4 is pulled out, the universal wheel 22 is used as a bearing wheel in a dragging state, the motor driven and connected by the driving wheel 21 cannot be damaged, the direction of the user can be changed at any time when the user drags, and convenience is improved.
In a preferred embodiment, in order to further improve the space utilization rate in the main unit 2 and reduce the volume of the main unit 2, the throttle valve 209, the water tank 201, the condenser 204 and the control device 26 are respectively arranged close to the four sides of the working chamber 27, and the compressor 203 is arranged in the middle empty space formed by the throttle valve 209, the water tank 201, the condenser 204 and the control device 26. Therefore, the interference among all parts is avoided, and the space utilization efficiency is improved.
In a preferred embodiment, the water outlet 207 and the water inlet 208 are disposed outside the main body 2 in pairs, and at least two pairs of the water outlet 207 and the water inlet 208 are disposed. The water outlet connectors 207 and the water inlet connectors 208 are arranged in pairs, so that the main machines 2 can be configured in a one-to-many manner, namely, one main machine 2 is provided with a plurality of refrigeration clothes 1, and the working efficiency is improved.
In a preferred embodiment, a signal generator is provided on the refrigeration clothes 1, specifically, an infrared signal transmitter or a bluetooth transmitting end, a signal receiver such as an infrared receiver or a bluetooth receiving end is provided on the corresponding host 2, and the host 2 is configured to be always disposed toward the signal transmitting direction, so as to be conveniently moved toward the wearer of the refrigeration clothes 1 at any time.
Specifically, the driving wheel 21 is drivingly connected with a motor (not shown), and the motor is controlled by a PWM signal given by the control device 26. The motor rotating speed is adjusted through the PWM duty ratio, and the motor control device has the advantages of being high in accuracy and accurate in control. Preferably, there are two driving wheels 21, which are separately disposed on two sides of the bottom of the main body 2 and are respectively connected to two motors in a driving manner.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (9)
1. An intelligent refrigeration system, comprising:
the refrigeration clothes comprise a plurality of refrigeration pipelines arranged on the refrigeration clothes;
a host, comprising:
the refrigerating device is used for providing a cold source and is communicated with the refrigerating pipeline through a water pipe;
the driving wheel is used for driving the main machine to move;
visual recognition means to recognize the mark;
a universal wheel;
and a power source;
a control device for controlling the driving wheel operation and the stop/start of the cooling device;
the bending sensor is arranged on the water pipe and used for detecting a specific numerical value of the posture of the water pipe between a straight state and a maximum bending state;
the main machine is configured to determine that the main machine is far away from the refrigeration clothes when the bending sensor recognizes that the posture of the water pipe is lower than a preset threshold value, and the main machine moves towards the direction of the water pipe until the value detected by the bending sensor is not lower than the preset threshold value.
2. The intelligent refrigeration system of claim 1, wherein: the refrigerating device comprises a water tank, and a compressor, a condenser, a throttle valve and an evaporator which are sequentially connected, wherein the evaporator is arranged in the water tank, the condenser is arranged in the host close to the edge, and a fan and heat dissipation holes are arranged on the host corresponding to the condenser;
the external surface of the main machine is provided with a water outlet joint and a water inlet joint which are used for communicating the refrigeration pipeline, a water pump is also arranged in the water tank, the water pump is communicated with the water outlet joint, and the water tank is communicated with the water inlet joint.
3. The intelligent refrigeration system of claim 1, wherein: the refrigerating device comprises a water tank and a semiconductor refrigerator, wherein the cold end of the semiconductor refrigerator is arranged in the water tank, the hot end of the semiconductor refrigerator is arranged in the host close to the edge, and a fan and a heat dissipation hole are arranged at the position of the host corresponding to the hot end;
the external surface of the main machine is provided with a water outlet joint and a water inlet joint which are used for communicating the refrigeration pipeline, a water pump is also arranged in the water tank, the water pump is communicated with the water outlet joint, and the water tank is communicated with the water inlet joint.
4. The intelligent refrigeration system of claim 1, wherein: the refrigeration system is arranged in the working bin, and the battery is arranged in the battery bin.
5. The intelligent refrigeration system of claim 1, wherein: the driving wheel with the universal wheel is located the host computer bottom, just the host computer bottom still is equipped with the pull rod that can be pulled out, the driving wheel is located and is close to the pull-out direction of pull rod, the universal wheel is located and is kept away from the pull-out direction of pull rod.
6. The intelligent refrigeration system of claim 2, wherein: the throttle valve, the water tank, the condenser and the control device are respectively arranged close to four sides of the working bin, and the compressor is arranged in a middle vacant position formed by the throttle valve, the water tank, the condenser and the control device.
7. The intelligent refrigeration system according to claim 2 or 3, wherein: the water outlet joint and the water inlet joint are arranged on the outer side of the main machine in pairs and at least two pairs of the water outlet joint and the water inlet joint are arranged.
8. The intelligent refrigeration system of claim 1, wherein: be equipped with signal generator on the refrigeration clothing, the corresponding be equipped with signal receiver on the host computer, the host computer is configured to be faced all the time signal emission direction sets up.
9. The intelligent refrigeration system of claim 1, wherein: the driving wheel is connected with a motor in a driving mode, and the motor is controlled by a PWM signal given by the control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681617.0A CN114484950A (en) | 2021-12-29 | 2021-12-29 | Intelligent refrigerating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111681617.0A CN114484950A (en) | 2021-12-29 | 2021-12-29 | Intelligent refrigerating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114484950A true CN114484950A (en) | 2022-05-13 |
Family
ID=81509870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111681617.0A Pending CN114484950A (en) | 2021-12-29 | 2021-12-29 | Intelligent refrigerating system |
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| CN (1) | CN114484950A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101653298A (en) * | 2009-02-19 | 2010-02-24 | 谢逢华 | Portable human body air conditioner |
| US20120227432A1 (en) * | 2010-05-14 | 2012-09-13 | John Michael Creech | Body temperature control system |
| CN105124803A (en) * | 2015-10-16 | 2015-12-09 | 杭州沈氏节能科技股份有限公司 | Microclimate human body cooling device |
| CN108697290A (en) * | 2016-02-29 | 2018-10-23 | Lg电子株式会社 | Vacuum cleaner |
| CN111358068A (en) * | 2020-04-17 | 2020-07-03 | 绍兴艾思吉制冷设备有限公司 | Liquid cooling clothes for high-temperature operation |
| CN112261896A (en) * | 2018-04-06 | 2021-01-22 | Lg电子株式会社 | Dust collector and control method thereof |
| CN112773016A (en) * | 2021-03-02 | 2021-05-11 | 无锡广盈集团有限公司 | Portable hot-line work water circulation cooling refrigeration clothing based on compressor refrigeration |
-
2021
- 2021-12-29 CN CN202111681617.0A patent/CN114484950A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101653298A (en) * | 2009-02-19 | 2010-02-24 | 谢逢华 | Portable human body air conditioner |
| US20120227432A1 (en) * | 2010-05-14 | 2012-09-13 | John Michael Creech | Body temperature control system |
| CN105124803A (en) * | 2015-10-16 | 2015-12-09 | 杭州沈氏节能科技股份有限公司 | Microclimate human body cooling device |
| CN108697290A (en) * | 2016-02-29 | 2018-10-23 | Lg电子株式会社 | Vacuum cleaner |
| CN112261896A (en) * | 2018-04-06 | 2021-01-22 | Lg电子株式会社 | Dust collector and control method thereof |
| CN111358068A (en) * | 2020-04-17 | 2020-07-03 | 绍兴艾思吉制冷设备有限公司 | Liquid cooling clothes for high-temperature operation |
| CN112773016A (en) * | 2021-03-02 | 2021-05-11 | 无锡广盈集团有限公司 | Portable hot-line work water circulation cooling refrigeration clothing based on compressor refrigeration |
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