CN105758046A - Ultralow-temperature touch screen detaching device and work principle thereof - Google Patents
Ultralow-temperature touch screen detaching device and work principle thereof Download PDFInfo
- Publication number
- CN105758046A CN105758046A CN201610278308.1A CN201610278308A CN105758046A CN 105758046 A CN105758046 A CN 105758046A CN 201610278308 A CN201610278308 A CN 201610278308A CN 105758046 A CN105758046 A CN 105758046A
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- China
- Prior art keywords
- touch screen
- door closure
- heat exchanger
- compressor
- condenser
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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
- F25B7/00—Compression machines, plants or systems, with cascade operation, i.e. with two or more circuits, the heat from the condenser of one circuit being absorbed by the evaporator of the next circuit
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- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
Abstract
The invention relates to an ultralow-temperature touch screen detaching device and the work principle thereof.The ultralow-temperature touch screen detaching device comprises trundles, a rack, a box body and a door cover; the box body is connected with the door cover through a hinge, the bottom of the rack is provided with a bottom plate, the bottom plate is provided with a compressor and a condenser, the compressor and the condenser are connected through a connection pipe, an air cooler is mounted beside the condenser, a heat exchanger is mounted in the box body, a cooling plate is mounted above the heat exchanger, one end of the heat exchanger is connected with the condenser and the compressor through the connection pipe, and the other end of the heat exchanger is connected with the cooling plate.According to the work principle, mixed gas is generated in the compressor, passes through the condenser, a dry filtering device, the heat exchanger and a throttling gear and then reaches the cooling plate, heat exchange of a mobile phone screen is achieved, and effective detaching of a touch screen is achieved.The ultralow-temperature touch screen detaching device has the advantages of being easy and convenient to operate, applicable to various places, simple and compact in structural design, small in occupied space, safe, energy saving and efficient.
Description
Technical field
The present invention relates to a kind of super low temperature refrigeration equipment, particularly to the super low temperature refrigeration equipment split for touch screen.
Background technology
The liquid crystal displays such as current capacitance touch screen and electric resistance touch screen, are widely used at production industries such as the radio and television equipment of electronics and information industry, communication navigation set, radar equipment, electronic computer, electronic instrument and other Electronic Special Equipments.
No matter capacitive touch screen or resistive touch screen, is composited plus the structure number layer of glass by thin film substantially.The inner surface of thin film and glass screen all scribbles ITO coating, the laminating between touch screen glass and ito glass, optical cement LOCA or OCA that widely used water white transparency, light transmittance are high, and UV glue.Touch screen can occur that OCA optical cement laminating bad, UV glue laminating is bad, cover plate laminating is bad in process of production, and the unfavorable condition such as display screen stain, flower screen and face glass ink scuffing.The touch screen of secondary market mobile electronic product or equipment is promoted and occupation rate is very huge, and crushing for touch screen face glass or touch bad maintenance is also that demand is very big.Due to electric resistance touch screen and the distinctive structural design of capacitance touch screen, always very low for the response rate of defective products in producing, plus the feature under optical cement OCA room temperature with very strong binding, substantially being difficult to accomplish intact separate glass panel and ITO function panel for bad face glass under room temperature state, reclamation rate is substantially at zero state.
Conventional, utilize the optical cement OCA characteristic that viscosity weakens in variations in temperature sharply, adopt the bad touch screen of cryotherapy, it is achieved badness screen rapid disassembling.
Conventional, adopt liquid nitrogen to obtain low temperature, bad touch screen is soaked in liquid nitrogen, makes touch screen cool between 130 DEG C～150 DEG C, split touch screen face glass and ito surface plate with instrument physics.
Under normal pressure, liquid nitrogen temperature is 196 DEG C, and adopting liquid nitrogen cryogenics freezing touch screen is the principle utilizing material to need to absorb a large amount of gasification latent heat when being flashed to gaseous state by liquid, makes product temperature reduce rapidly.Although liquid nitrogen cooling mode can provide less cryogenic temperature, the advantage that cooling rate is fast, but there is also many deficiencies, as: 1. liquid nitrogen belongs to Dangerous Chemical Substances or Hazardous Chemicals, according to relevant laws and regulations, the aspects such as the safe handling of Hazardous Chemical Substances, storage, transport, handling are all had corresponding mandatory provision, and operator have to pass through special training.2. the storehouse storing liquid nitrogen must be shady and cool ventilation, and temperature is not to be exceeded 30 DEG C and it is necessary to be equipped with the equipment of leakage emergency processing.3. the container loading liquid nitrogen should have pressure relief device in order to avoid hypertonia, and container uprightly must be placed and effectively be fixed in floor.4. if meeting high heat, liquid nitrogen quickly can be evaporated to gaseous state from liquid because being heated, and unit volume expansion can reach 696 times, holds the intrinsic pressure increase of liquid nitrogen container, and container has cracking and the danger of blast.5., due to cautionary characteristics such as colourless, tasteless, odorless, the nonirritants of liquid nitrogen, the mankind do not have to detect the sense of nitrogen.Although nitrogen is nontoxic and largely torpescence, but by replacing the oxygen in air, sustaining life necessary below horizontal so as to drop to, it can become simple choker.Excessive suction nitrogen can cause dizziness, Nausea and vomiting, lose consciousness and dead.In low oxygen concentration situation, unconsciousness and death can in seconds occur, and not warning.6. due under normal pressure liquid nitrogen there is extremely low temperature 196 DEG C, contact skin liquid nitrogen can cause cold injury；The pleasing to the eye eyes that cause that splash are badly damaged.
Touch screen is immersed low temperature liquid nitrogen by above-described employing, then carry out the routine operation of artificial fractionation, transporting, store, using all many-sides all to have strict safety management requirement, additionally, the gasification loss that liquid nitrogen produces in using does not only exist safety event, and is uneconomic.
Summary of the invention
The technical problem to be solved in the present invention is: provide a kind of demand dropping this for existing touch screen manufacture and maintenance industry for doing over again, Problems existing is split with adopting liquid nitrogen cryogenics to carry out, propose a kind of ultralow temperature touch screen detachment device, be actually a kind of ultra-low temperature refrigerating device with unit auto-cascade refrigeration technology.
nullThe concrete technical scheme of the present invention is: ultralow temperature touch screen detachment device，Including castor、Frame、Casing and door closure，Frame is contained in above castor，Frame is fitted with casing，Casing is fitted with door closure，The side of casing and door closure is connected through the hinge，The bottom of frame is provided with base plate，Equipped with compressor and condenser on base plate，The bottom of compressor and the top of condenser are connected by connecting tube，Condenser side is equipped with air-cooler，The fan alignment condenser of air-cooler，Casing is built with heat exchanger，The top of heat exchanger is equipped with cold plate，The top, one end of heat exchanger is connected with the bottom connecting tube of condenser，Bottom is connected with the top connecting tube of compressor，The other end top of heat exchanger is connected with cold plate side by throttling arrangement，Bottom is connected with cold plate opposite side with by connecting tube，Its complementary space of box house adopts hard polyaminoester integral foam，The top of cold plate is equipped with object-putting layer，The top of object-putting layer is equipped with wall，The above of wall is door closure.
Further, equipped with device for drying and filtering in the connecting tube that heat exchanger is connected with condenser, device for drying and filtering is for filtering unnecessary moisture and the impurity such as powder and dirt.
Further, object-putting layer is rectangular parallelepiped space, and being specifically of a size of length is 290 millimeters, and wide is 210 millimeters, and height is 50 millimeters, to ensure can put in object-putting layer the Mobile phone screen of all size.
Further, wall is for falling convex, and the length bottom wall and width both are greater than length and the width of object-putting layer, the space of wall is more than object-putting layer, to ensure convenience when putting the cell phone screen, simultaneously in process of refrigerastion, bigger space can make temperature required maintenance for more time.
Further, door closure is divided into three layers, three layers is fixedly installed togather, and ground floor door closure hinge is connected with casing, and second layer door closure length and width are both less than ground floor door closure, lid puts the placed on top at casing, third layer door closure length and width are both less than second layer door closure, and third layer door closure is all embedded in casing, and third layer door closure length and width both are greater than length and the width at wall top, the material of second layer door closure and third layer door closure is rubber, it is possible to make wall and object-putting layer play sealing effectiveness.
Further, connecting tube is copper pipe fitting, it is ensured that the safety of connecting tube and service life.
Further, hinge is spring hinge, and door closure hands one is opened, and spring hinge will make door closure automatic slowly upwardly open to desired location and keep, and door closure hands closes to next, and spring hinge will make door closure automatic slowly close downwards.
Further, castor is universal caster wheel, in that context it may be convenient to move this device to any angle.
Operation principle: this device is by microcomputerized control, after device energising, micro computer starts compressor operating, mixed working fluid becomes the mixing gas of High Temperature High Pressure through compressor compression, condensed device radiating and cooling becomes the gas liquid mixture of temperature in high pressure, after drying filter, gas liquid mixture enters heat exchanger, mixed working fluid is through separating for several times and heat exchange in a heat exchanger, reach the purpose separated that progressively liquefies, the low boiling working fluid being liquefied and high boiling point working medium last become low-pressure gas with entering cold plate evaporation endothermic through throttling arrangement, low-pressure gas returns compressor through heat exchanger, cold plate evaporative cooling reaches 100 DEG C～150 DEG C, heat exchange is carried out with the touch screen being placed on cold plate, so that touch screen frozen cooling, OCA optical cement loses viscosity, reach effective fractionation of touch screen.
Air-cooler works asynchronously with compressor so that from the mixing gas of compressor High Temperature High Pressure out through condenser effective temperature-reducing.When cold plate reaches design temperature, compressor quits work, and cold plate in use absorbs heat so that cold plate temperature rises, and when temperature rises after twice, compressor is worked on by microcomputerized control, so circulates.
Due to the fact that and have employed above technical scheme, have the advantage that 1. devices adopt compressor refrigeration system to obtain low temperature, use mode of operation extremely easy, as long as the Operating In Persistent Current Mode that plugs in switchs.2. this device belongs to electric refrigerator series products, without the mandatory security regulations that Hazardous Chemical Substances is special, as long as meeting electrical equipment to use safety requirements, goes for various place in theory.3. the design of this apparatus structure is simple and compact, and the volume that takes up room is little, and stores and transport the security regulations special without Hazardous Chemical Substances.4. many safety problems such as the dangerization existed for liquid nitrogen refrigerating system specifies, suffocates, explodes, cold injury; compressor refrigeration system can be prevented effectively from; in conventional use, touch screen taking and putting; only need very short time several seconds; it is antifreeze that operator only wears glove when picking and placeing touch screen, it is not necessary to the safety precaution equipment such as cold protective clothing, splashing-proof eye-protection mirror.5. single compressor nature overlapping Refrigeration Cycle Using Refrigerant Mixture compares the refrigeration system of conventional single working medium, has bigger refrigerating capacity, faster cooling rate, less cryogenic temperature, higher COP, the power consumption more economized.6. the cold plate temperature of touch screen detachment device cools to 130 DEG C～150 DEG C from room temperature, it is only necessary to about 40 minutes time, and the touch screen to be torn open of room temperature is placed on cold plate only needs 1 minutes, and face glass etc. can be separated by taking-up easily, splits efficiency high.
Accompanying drawing explanation
Fig. 1: for the sectional structure schematic diagram of the present invention.
Detailed description of the invention
It is described in conjunction with the accompanying embodiments of the invention.
nullA kind of ultralow temperature touch screen detachment device，Including castor 1、Frame 3、Casing 4 and door closure 5，Frame 3 is contained in above castor 1，Frame 3 is fitted with casing 4，Casing 4 is fitted with door closure 5，The side of casing 4 and door closure 5 is connected by hinge 6，The bottom of frame 3 is provided with base plate 2，On a base plate 2 equipped with compressor 10 and condenser 11，The bottom of compressor 10 and the top of condenser 11 are connected by connecting tube 14，Condenser 11 side is equipped with air-cooler 12，The fan alignment condenser 11 of air-cooler 12，Casing 4 is built with heat exchanger 9，The top of heat exchanger 9 is equipped with cold plate 7，The top, one end of heat exchanger 9 is connected with the bottom connecting tube 14 of condenser 11，Bottom is connected with the top connecting tube 14 of compressor 10，The other end top of heat exchanger 9 is connected with cold plate 7 side by throttling arrangement 8，Bottom is connected with cold plate 7 opposite side with by connecting tube 14，Casing 4 its complementary space internal adopts hard polyaminoester integral foam，The top of cold plate 7 is equipped with object-putting layer 16，The top of object-putting layer 16 is equipped with wall 15，The above of wall 15 is door closure 5，Equipped with device for drying and filtering 13 in the connecting tube 14 that heat exchanger 9 is connected with condenser 11，Device for drying and filtering 13 is for filtering unnecessary moisture and the impurity such as powder and dirt，Object-putting layer 16 is rectangular parallelepiped space，Specifically being of a size of length is 290 millimeters，Wide is 210 millimeters，Height is 50 millimeters，To ensure can put in object-putting layer 16 Mobile phone screen of all size，Wall 15 is for falling convex，Length bottom wall 15 and the wide length both being greater than object-putting layer 16 and width，The space of wall 15 is more than object-putting layer 16，To ensure convenience when putting the cell phone screen，Simultaneously in process of refrigerastion，Bigger space can make temperature required maintenance for more time，Door closure 5 is divided into three layers，Three layers is fixedly installed togather，Ground floor door closure 5 hinge 6 is connected with casing 4，Second layer door closure 5 is long and wide is both less than ground floor door closure 5，Lid puts the placed on top at casing 4，Third layer door closure 5 is long and wide is both less than second layer door closure 5，Third layer door closure 5 is all embedded in casing 4，Third layer door closure 5 length and the wide length both being greater than wall 15 top and width，The material of second layer door closure 5 and third layer door closure 5 is rubber，Can so that wall 15 and object-putting layer 16 play sealing effectiveness，Connecting tube 14 is copper pipe fitting，Ensure safety and the service life of connecting tube 14，Hinge 6 is spring hinge，Door closure 5 hands one is opened，Spring hinge will make door closure 5 automatic slowly upwardly open to desired location and keep，Door closure 5 hands closes to next，Spring hinge will make door closure 5 automatic slowly close downwards，Castor 1 is universal caster wheel，This device can be moved easily to any angle.
nullOperation principle: this device is by microcomputerized control，After device energising，Micro computer starts compressor 10 and works，Mixed working fluid becomes the mixing gas of High Temperature High Pressure through compressor 10 compression，Condensed device 11 radiating and cooling becomes the gas liquid mixture of temperature in high pressure，After drying filter 13，Gas liquid mixture enters heat exchanger 9，In heat exchanger 9, mixed working fluid is through separating for several times and heat exchange，Reach the purpose separated that progressively liquefies，The low boiling working fluid being liquefied and high boiling point working medium last become low-pressure gas with entering cold plate 7 evaporation endothermic through throttling arrangement 8，Low-pressure gas returns compressor 10 through heat exchanger 9，Cold plate 7 evaporative cooling reaches 100 DEG C～150 DEG C，Heat exchange is carried out with the touch screen being placed on cold plate 7，So that touch screen frozen cooling，OCA optical cement loses viscosity，Reach effective fractionation of touch screen.
Air-cooler 12 works asynchronously with compressor 10 so that from mixing gas effective temperature-reducing when through condenser 11 of compressor 10 High Temperature High Pressure out.When cold plate 7 reaches design temperature, compressor 10 quits work, and cold plate 7 in use absorbs heat and makes cold plate 7 temperature increase, and when temperature rises after twice, compressor 10 is worked on by microcomputerized control, so circulates.
Due to the fact that and have employed above technical scheme, have the advantage that 1. devices adopt compressor refrigeration system to obtain low temperature, use mode of operation extremely easy, as long as the Operating In Persistent Current Mode that plugs in switchs.2. this device belongs to electric refrigerator series products, without the mandatory security regulations that Hazardous Chemical Substances is special, as long as meeting electrical equipment to use safety requirements, goes for various place in theory.3. the design of this apparatus structure is simple and compact, and the volume that takes up room is little, and stores and transport the security regulations special without Hazardous Chemical Substances.4. many safety problems such as the dangerization existed for liquid nitrogen refrigerating system specifies, suffocates, explodes, cold injury; compressor refrigeration system can be prevented effectively from; in conventional use, touch screen taking and putting; only need very short time several seconds; it is antifreeze that operator only wears glove when picking and placeing touch screen, it is not necessary to the safety precaution equipment such as cold protective clothing, splashing-proof eye-protection mirror.5. single compressor nature overlapping Refrigeration Cycle Using Refrigerant Mixture compares the refrigeration system of conventional single working medium, has bigger refrigerating capacity, faster cooling rate, less cryogenic temperature, higher COP, the power consumption more economized.6. the cold plate temperature of touch screen detachment device cools to 130 DEG C～150 DEG C from room temperature, it is only necessary to about 40 minutes time, and the touch screen to be torn open of room temperature is placed on cold plate only needs 1 minutes, and face glass etc. can be separated by taking-up easily, splits efficiency high.
Claims (9)
- null1. ultralow temperature touch screen detachment device，It is characterized in that: include castor (1)、Frame (3)、Casing (4) and door closure (5)，Described frame (3) is contained in castor (1) above，Frame (3) is fitted with casing (4)，Casing (4) is fitted with door closure (5)，The side of casing (4) and door closure (5) is connected by hinge (6)，The bottom of described frame (3) is provided with base plate (2)，Equipped with compressor (10) and condenser (11) on base plate (2)，The bottom of compressor (10) and the top of condenser (11) are connected by connecting tube (14)，Condenser (11) side is equipped with air-cooler (12)，Fan alignment condenser (11) of air-cooler (12)，Described casing (4) is built with heat exchanger (9)，The top of heat exchanger (9) is equipped with cold plate (7)，The top, one end of heat exchanger (9) is connected with the bottom connecting tube (14) of condenser (11)，Bottom is connected with the top connecting tube (14) of compressor (10)，The other end top of heat exchanger (9) is connected with cold plate (7) side by throttling arrangement (8)，Bottom is connected with cold plate (7) opposite side with by connecting tube (14)，Casing (4) its complementary space internal adopts hard polyaminoester integral foam，The top of cold plate (7) is equipped with object-putting layer (16)，The top of object-putting layer (16) is equipped with wall (15)，The above of wall (15) is door closure (5).
- 2. ultralow temperature touch screen detachment device according to claim 1, it is characterised in that: equipped with device for drying and filtering (13) in the connecting tube (14) that described heat exchanger (9) is connected with condenser (11).
- 3. ultralow temperature touch screen detachment device according to claim 1, it is characterised in that: described object-putting layer (16) is rectangular parallelepiped space, and being specifically of a size of length is 290 millimeters, and wide is 210 millimeters, and height is 50 millimeters.
- 4. ultralow temperature touch screen detachment device according to claim 1, it is characterised in that: described wall (15) is for falling convex, and the length of wall (15) bottom and width both are greater than length and the width of object-putting layer (16).
- 5. ultralow temperature touch screen detachment device according to claim 1, it is characterized in that: described door closure (5) is divided into three layers, three layers is fixedly installed togather, ground floor door closure (5) hinge (6) is connected with casing (4), second layer door closure (5) is long is both less than ground floor door closure (5) with width, lid puts the placed on top in casing (4), third layer door closure (5) is long is both less than second layer door closure (5) with width, third layer door closure (5) is all embedded in casing (4), long length and the width both being greater than wall (15) top with width of third layer door closure (5), the material of second layer door closure (5) and third layer door closure (5) is rubber.
- 6. ultralow temperature touch screen detachment device according to claim 1, it is characterised in that: described connecting tube (14) is copper pipe fitting.
- 7. ultralow temperature touch screen detachment device according to claim 1, it is characterised in that: described hinge (6) is spring hinge.
- 8. ultralow temperature touch screen detachment device according to claim 1, it is characterised in that: described castor (1) is universal caster wheel.
- null9. a deep cooling ultralow temperature touch screen detachment device as claimed in claim 1，It is characterized in that: this device is by microcomputerized control，After device energising，Micro computer starts compressor (10) work，，Mixed working fluid becomes the mixing gas of High Temperature High Pressure through compressor (10) compression，Condensed device (11) radiating and cooling becomes the gas liquid mixture of temperature in high pressure，After drying filter (13)，Gas liquid mixture enters heat exchanger (9)，In heat exchanger (9), mixed working fluid is through separating for several times and heat exchange，Reach the purpose separated that progressively liquefies，The low boiling working fluid being liquefied and high boiling point working medium last become low-pressure gas with entering cold plate (7) evaporation endothermic through throttling arrangement (8)，Low-pressure gas returns compressor (10) through heat exchanger (9)，Cold plate (7) evaporative cooling reaches 100 DEG C～150 DEG C，Heat exchange is carried out with the touch screen being placed on cold plate (7)，So that touch screen frozen cooling，OCA optical cement loses viscosity，Reach effective fractionation of touch screen.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610278308.1A CN105758046A (en) | 2016-04-28 | 2016-04-28 | Ultralow-temperature touch screen detaching device and work principle thereof |
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| CN201610278308.1A CN105758046A (en) | 2016-04-28 | 2016-04-28 | Ultralow-temperature touch screen detaching device and work principle thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108296268A (en) * | 2018-02-08 | 2018-07-20 | 深圳市联铭发科技有限公司 | The recovery method of touch control display apparatus |
| CN110153091A (en) * | 2019-05-16 | 2019-08-23 | 深圳大视野志远科技有限公司 | A kind of touch screen method for cleaning |
| CN114111148A (en) * | 2021-12-02 | 2022-03-01 | 深圳同兴达科技股份有限公司 | OCA disassembles platform |
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Application publication date: 20160713 |