CN104061765A - Vacuum oven capable of heating fast - Google Patents

Vacuum oven capable of heating fast Download PDF

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Publication number
CN104061765A
CN104061765A CN201410291884.0A CN201410291884A CN104061765A CN 104061765 A CN104061765 A CN 104061765A CN 201410291884 A CN201410291884 A CN 201410291884A CN 104061765 A CN104061765 A CN 104061765A
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China
Prior art keywords
working box
vacuum oven
rapidly heated
sealing plate
compressing member
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Granted
Application number
CN201410291884.0A
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Chinese (zh)
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CN104061765B (en
Inventor
杨志明
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Shenzhen xinyuren Polytron Technologies Inc
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Shenzhen Xinyuren Technology Co Ltd
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Priority to CN201410291884.0A priority Critical patent/CN104061765B/en
Publication of CN104061765A publication Critical patent/CN104061765A/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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Muffle Furnaces And Rotary Kilns (AREA)
  • Pressure Vessels And Lids Thereof (AREA)

Abstract

A vacuum oven capable of heating fast comprises a working box body (2) mounted in an oven main body (1) and a heating device (3) arranged outside the working box body (2) and used for replenishing heat for heat dissipation on the outer wall of the working box body (2); the working box body (2) is a high-vacuum resistant and high-pressure resistant working box body. The vacuum oven capable of heating fast has the advantages of short heating time and high utilization ratio of the box body.

Description

The vacuum oven that can be rapidly heated
Technical field
The present invention relates to a kind of vacuum oven being rapidly heated that is suitable for new energy materials baking, especially relate to a kind of vacuum oven being rapidly heated that is suitable for lithium ion battery or battery pole piece baking.
Background technology
In new energy materials manufacturing process, to toast new energy materials if desired, to remove moisture content, as the manufacture of electrodes of lithium-ion batteries or lithium ion battery, just electrodes of lithium-ion batteries or lithium ion battery need to be carried out to degree of depth oven dry.What modal drying plant adopted is the single casing baking box of interior circulation, it is first the lithium battery being baked or battery electrode to be packed in vacuum bakeout case, under normal pressure, first the material that is baked in casing is heated, when the temperature inside the box reaches after requirement, the in the situation that of insulation, remove moisture by vacuumizing in casing, when the moisture of battery pole piece reaches after requirement, again the electrode of lithium cell being baked in casing or battery are carried out to nature cooling or force cooling, after making the temperature of the electrode of lithium cell that is baked or battery core drop to a certain degree (be generally 35 degrees Celsius following), the electrode of lithium cell being baked or battery are taken out to sealing preservation.For example, the disclosed a kind of Double-circulated vacuum toaster of Chinese patent literature CN102244297A, comprise working box and outer circulation passage, because being also provided with inner cycle channel in working box, utilize thermal source and heat dynamic resource to order about heat and be released to working box inside through spray sucker, in making, enclose the inner circulating type hot air circulation of formation in ventilating duct, make heat pass spray sucker to central position transmission in working box, make the heat fast rise of working box inside, can directly heat the heating object of working box centre, simultaneously, utilize the heat dynamic resource in outer circulation passage to order about the interior thermal release of peripheral ventilating duct in working box periphery and inwall, reach in supplementing and enclose shortage of heat after ventilating duct thermal release, be conducive to accelerated heat transmission, thereby the temperature difference that reaches working box inwall surrounding and inside reaches stable equilibrium state fast.Although the heat that the inner-outer circulation channel mode that has this Double-circulated vacuum toaster can reduce under vacuum state runs off, can make to improve thereby reach the advantage of transmitting temperature speed under vacuum state.But, this Double-circulated vacuum toaster, employing is the method heating up under normal pressure, generally needs about 24 hours from being fed to discharging, just can complete the baking completely to baked article, and its time-consuming is long, and casing utilization rate is not high.
Summary of the invention
In order to overcome above-mentioned problems of the prior art, the object of this invention is to provide a kind of heating-up time short, the vacuum oven being rapidly heated that casing utilization rate is high.
Technical scheme of the present invention is: a kind of vacuum oven being rapidly heated is provided, comprise the working box that is installed on baking box body interior, and being arranged at dispelling the heat and carrying out the heater of heat supplement for the outer wall to working box outside working box, described working box is resistance to condition of high vacuum degree and high voltage bearing working box.
As improvement of the present invention, on described working box, being provided with is at least for input compressed-air in described working box, promotes the gas pipeline of pressing in working box; On the inwall of the door of vacuum oven, be provided with the sealing plate of the aperture area that is greater than described working box, described sealing plate is flexibly connected with described door, between the outer wall of described sealing plate and described, is provided with the compressing member for compressing described sealing plate.
As improvement of the present invention, described compressing member is at least arranged on four angles corresponding to sealing plate.
As improvement of the present invention, described compressing member is cylinder, electric cylinder or oil cylinder.
As improvement of the present invention, also comprise control circuit, for setting in advance the precompression of described compressing member.
As improvement of the present invention, described compressing member is flexible member.
As improvement of the present invention, described flexible member is spring, bourdon tube or bellows.
As improvement of the present invention, be provided with sealing ring at the door periphery of vacuum oven.
As improvement of the present invention, also comprise pressure sensor and control circuit for responding to working box internal pressure, described pressure sensor and control circuit are electrically connected, in the time that described working box internal pressure is greater than predetermined pressure, described control circuit is according to the signal of described pressure sensor, controls executing agency and closes the valve being positioned among gas pipeline.
As improvement of the present invention, be provided with the oil temperature warming plate of the internal temperature for keeping working box at described working box, the shoe cream room of described oil temperature warming plate communicates with oily thermal source, provides deep fat continuously by oily thermal source to oil temperature warming plate.
As improvement of the present invention, also comprise inner heated air circulation device, the moving source of heat and the thermal source of described inner heated air circulation device are positioned at the inner cycle channel transmitting for accelerating the heat of working box inside outside working box.
The present invention is provided with the sealing plate of the aperture area that is greater than described working box owing to having adopted on the inwall of the door of vacuum oven, described sealing plate is flexibly connected with described door, between the outer wall of described sealing plate and described door, be provided with the structure of the compressing member for compressing described sealing plate, like this, just can adopt high pressure warming in the casing temperature rise period, when shortening the intensification of baking box, so design, original normal pressure can be heated up and needs 6-8 hour, shorten in 1 hour, while greatly having saved the intensification of whole baking box, each baking can be saved 5-7 hour, can improve baking box utilization rate 20%-32%.
Brief description of the drawings
Fig. 1 is the planar structure schematic diagram of a kind of embodiment of the present invention.
Fig. 2 is the planar structure schematic diagram of the second embodiment of the present invention.
Fig. 3 is the planar structure schematic diagram of the third embodiment of the present invention.
The planar structure schematic diagram (locking state) of Fig. 4 the 4th kind of embodiment of the present invention.
Fig. 5 is the planar structure schematic diagram of released state embodiment illustrated in fig. 4.
Detailed description of the invention
Refer to Fig. 1, what Fig. 1 disclosed is a kind of vacuum oven being rapidly heated, comprise the working box 2 that is installed on baking box main body 1 inside, and being arranged at dispelling the heat and carrying out the heater 3 of heat supplement for the outer wall to working box 2 outside working box 2, described working box 2 is resistance to condition of high vacuum degree and high voltage bearing working box.
Described heater 3 comprises electric heat source 31, blower fan 32 and motor 33, the heat energy that motor 33 drives blower fan 32 that electric heat source 31 is produced is blown in outer circulating air duct 34, on described working box 2, be provided with for to the interior input compressed-air of described working box 2, promote the gas pipeline 21 of working box 2 interior pressures, in described gas pipeline 21, be in series with valve 24, described gas pipeline 21 is in the time that casing vacuumizes, use as the pipeline vacuumizing again, obviously, also can separately establish vacuum lead for vacuumizing use, like that complex structure some; On door 4 the inwall of vacuum oven, be provided with the sealing plate 41 of the aperture area that is greater than described working box 2, described sealing plate 41 is flexibly connected with described door 4, between the outer wall of described sealing plate 41 and described door 4, be provided with the compressing member 42 for compressing described sealing plate 41, described door 4 is connected with described baking box main body 1 by hinge 44, can be connected with baking box main body 1 by knocker 45 when door 4 is closed; Door 4 peripheries at vacuum oven are provided with sealing ring 43, and after compacted 42 of described sealing plate 41 holds out against, described sealing ring 43 seals the opening of working box 2 and sealing plate 41, make the inner chamber of working box 2 form an airtight cavity.
In the present embodiment, also comprise pressure sensor 22 and control circuit 23 for responding to working box 2 internal pressures, described pressure sensor 22 and control circuit 23 are electrically connected, in the time that described working box 2 internal pressures are greater than predetermined pressure, described control circuit 23 is according to the signal of described pressure sensor 22, control executing agency and close the valve 24 being positioned among gas pipeline 21, to ensure the safety of working box.Described control circuit 23 also can be used for setting in advance the precompression of described compressing member 42.
In the present invention, described compressing member 42 is at least arranged on four angles corresponding to sealing plate 41, and for effectively sealing plate 41 being held out against, compressing member 42 described in the present embodiment is 6, is respectively each three up and down.
Preferential, described compressing member 42 can be cylinder, electric cylinder or oil cylinder, best preferably use cylinder, like this, in the time that the pressure in working box is greater than predetermined pressure (be greater than cylinder top press time), cylinder can suitably shrink, and gases at high pressure can be discharged from crack between a door and its frame, guarantees the safety of working box 2.
In the present invention, described compressing member 42 can also be flexible member; Described flexible member can be spring, bourdon tube or bellows; Described compressing member 42 can also fixture, can not flexible compressing member, as bolt and nut sealing plate 41 is fastened on as described on the opening of working box 2.
Refer to Fig. 2, Fig. 2 is the planar structure schematic diagram of the second embodiment of the present invention.
What Fig. 2 disclosed is a kind of vacuum oven being rapidly heated, comprise the working box 2 that is installed on baking box main body 1 inside, and be arranged at the outer wall heat radiation for to working box 2 outside working box 2 and carry out the heater 3 of heat supplement, described heater 3 comprises electric heat source 31, blower fan 32 and motor 33, the heat energy that motor 33 drives blower fan 32 that electric heat source 31 is produced is blown in outer circulating air duct 34, and described working box 2 is working box of high temperature high voltage resistant.
On described working box 2, be provided with for to the interior input compressed-air of described working box 2, promote the gas pipeline 21 of working box 2 interior pressures, in described gas pipeline 21, be in series with valve 24, described gas pipeline 21 is in the time that casing vacuumizes, use as the pipeline vacuumizing again, obviously, also can separately establish vacuum lead for vacuumizing use, like that complex structure some; On door 4 the inwall of vacuum oven, be provided with the sealing plate 41 of the aperture area that is greater than described working box 2, described sealing plate 41 is flexibly connected with described door 4, between the outer wall of described sealing plate 41 and described door 4, be provided with the compressing member 42 for compressing described sealing plate 41, described door 4 is connected with described baking box main body 1 by hinge 44, can be connected with baking box main body 1 by knocker 45 when door 4 is closed; Door 4 peripheries at vacuum oven are provided with sealing ring 43, and after compacted 42 of described sealing plate 41 holds out against, described sealing ring 43 seals the opening of working box 2 and sealing plate 41, make the inner chamber of working box 2 form an airtight cavity.
In the present embodiment, also comprise pressure sensor 22 and control circuit 23 for responding to working box 2 internal pressures, described pressure sensor 22 and control circuit 23 are electrically connected, in the time that described working box 2 internal pressures are greater than predetermined pressure, described control circuit 23 is according to the signal of described pressure sensor 22, control executing agency and close the valve 24 being positioned among gas pipeline 21, to ensure the safety of working box.Described control circuit 23 also can be used for setting in advance the precompression of described compressing member 42.
In the present invention, described compressing member 42 is at least arranged on four angles corresponding to sealing plate 41, and for effectively sealing plate 41 being held out against, compressing member 42 described in the present embodiment is 6, is respectively each three up and down.
Preferential, described compressing member 42 can be cylinder, electric cylinder or oil cylinder, best preferably use cylinder, like this, in the time that the pressure in working box is greater than predetermined pressure (be greater than cylinder top press time), cylinder can suitably shrink, and gases at high pressure can be discharged from crack between a door and its frame, guarantees the safety of working box 2.
In the present invention, described compressing member 42 can also be flexible member; Described flexible member can be spring, bourdon tube or bellows; Described compressing member 42 can also fixture, can not flexible compressing member, as bolt and nut sealing plate 41 is fastened on as described on the opening of working box 2.
In the present invention, be provided with the oil temperature warming plate 25 of the internal temperature for keeping working box 2 at described working box 2, the shoe cream room of described oil temperature warming plate 25 communicates with oily thermal source, provides deep fat continuously by oily thermal source to oil temperature warming plate 25; Because oily specific heat is larger, can keep better the temperature of true casing, obviously, deep fat that can first emptying oil temperature warming plate 25 at cooling stage, then carry out cooling.
Refer to Fig. 3, Fig. 3 is the planar structure schematic diagram of the third embodiment of the present invention.
What Fig. 3 disclosed is a kind of vacuum oven being rapidly heated, comprise the working box 2 that is installed on baking box main body 1 inside, and being arranged at dispelling the heat and carrying out the heater 3 of heat supplement for the outer wall to working box 2 outside working box 2, described working box 2 is working box of high temperature high voltage resistant.
Described heater 3 comprises electric heat source 31, blower fan 32 and motor 33, the heat energy that motor 33 drives blower fan 32 that electric heat source 31 is produced is blown in outer circulating air duct 34, on described working box 2, be provided with for to the interior input compressed-air of described working box 2, promote the gas pipeline 21 of working box 2 interior pressures, in described gas pipeline 21, be in series with valve 24, described gas pipeline 21 is in the time that casing vacuumizes, use as the pipeline vacuumizing again, obviously, also can separately establish vacuum lead for vacuumizing use, like that complex structure some; On door 4 the inwall of vacuum oven, be provided with the sealing plate 41 of the aperture area that is greater than described working box 2, described sealing plate 41 is flexibly connected with described door 4, between the outer wall of described sealing plate 41 and described door 4, be provided with the compressing member 42 for compressing described sealing plate 41, described door 4 is connected with described baking box main body 1 by hinge 44, can be connected with baking box main body 1 by knocker 45 when door 4 is closed; Door 4 peripheries at vacuum oven are provided with sealing ring 43, and after compacted 42 of described sealing plate 41 holds out against, described sealing ring 43 seals the opening of working box 2 and sealing plate 41, make the inner chamber of working box 2 form an airtight cavity.
In the present embodiment, also comprise pressure sensor 22 and control circuit 23 for responding to working box 2 internal pressures, described pressure sensor 22 and control circuit 23 are electrically connected, in the time that described working box 2 internal pressures are greater than predetermined pressure, described control circuit 23 is according to the signal of described pressure sensor 22, control executing agency and close the valve 24 being positioned among gas pipeline 21, to ensure the safety of working box.Described control circuit 23 also can be used for setting in advance the precompression of described compressing member 42.
In the present invention, described compressing member 42 is at least arranged on four angles corresponding to sealing plate 41, and for effectively sealing plate 41 being held out against, compressing member 42 described in the present embodiment is 6, is respectively each three up and down.
Preferential, described compressing member 42 can be cylinder, electric cylinder or oil cylinder, best preferably use cylinder, like this, in the time that the pressure in working box is greater than predetermined pressure (be greater than cylinder top press time), cylinder can suitably shrink, and gases at high pressure can be discharged from crack between a door and its frame, guarantees the safety of working box 2.
In the present invention, described compressing member 42 can also be flexible member; Described flexible member can be spring, bourdon tube or bellows; Described compressing member 42 can also fixture, can not flexible compressing member, as bolt and nut sealing plate 41 is fastened on as described on the opening of working box 2.
In the present embodiment, also comprise inner heated air circulation device 5, the moving source 51 of heat and the thermal source 52 of described inner heated air circulation device 5 are positioned at the inner cycle channel 26 transmitting for accelerating the heat of working box 2 inside outside working box 2; Form inner cycle channel, its intensification better effects if.
Refer to Fig. 4 and Fig. 5, Fig. 4 is with embodiment illustrated in fig. 5 and embodiment illustrated in fig. 1 substantially the same, difference is the structure difference of described compressing member 42, in the present embodiment, described compressing member 42 comprises a rotary power 421, and described rotary power 421 can be rotary cylinder, respectively establishes a locking plate 422 at the two ends of described rotation moving 421, described rotation moving 421 drives described locking plate 422, sealing plate 41 can be pinned to (see figure 4) or release (see figure 5).Specifically, establish respectively the compressing member 42 an of the present embodiment at sealing plate 41 four jiaos, in the time will locking a door, drive rotary power 421, locking plate 422 is blocked sealing plate 41 and casing, reach the object of locking a door; When release, drive rotary power 421, locking plate 422 is unclamped sealing plate 41 and casing.

Claims (10)

1. the vacuum oven that can be rapidly heated, comprise and be installed on the inner working box (2) of baking box main body (1), and be arranged at outer the dispelling the heat and carry out the electro-heat equipment (3) of heat supplement for the outer wall to working box (2) of working box (2), it is characterized in that: described working box (2) is resistance to condition of high vacuum degree and high voltage bearing working box.
2. the vacuum oven being rapidly heated according to claim 1, it is characterized in that: on described working box (2), being provided with is at least for input compressed-air in described working box (2), promote the gas pipeline (21) of pressing in working box (2); On the inwall of the door (4) of vacuum oven, be provided with the sealing plate (41) of the aperture area that is greater than described working box (2), described sealing plate (41) is flexibly connected with described door (4), between the outer wall of described sealing plate (41) and described (4), is provided with the compressing member (42) for compressing described sealing plate (41).
3. the vacuum oven being rapidly heated according to claim 2, is characterized in that: described compressing member (42) is at least arranged on four angles corresponding to sealing plate (41).
4. according to the vacuum oven being rapidly heated described in claim 2 or 3, it is characterized in that: described compressing member (42) is cylinder, electric cylinder or oil cylinder.
5. the vacuum oven being rapidly heated according to claim 4, is characterized in that: also comprise control circuit (23), for setting in advance the precompression of described compressing member (42).
6. according to the vacuum oven being rapidly heated described in claim 2 or 3, it is characterized in that: described compressing member (42) is flexible member.
7. the vacuum oven being rapidly heated according to claim 6, is characterized in that: described flexible member is spring, bourdon tube or bellows.
8. according to the vacuum oven being rapidly heated described in claim 2 or 3, it is characterized in that: also comprise pressure sensor (22) and control circuit (23) for responding to working box (2) internal pressure, described pressure sensor (22) and control circuit (23) are electrically connected, in the time that described working box (2) internal pressure is greater than predetermined pressure, described control circuit (23), according to the signal of described pressure sensor (22), controls executing agency and cuts out the valve (24) being positioned among gas pipeline (21).
9. according to the vacuum oven being rapidly heated described in claim 2 or 3, it is characterized in that: the oil temperature warming plate (25) that is provided with the internal temperature for keeping working box (2) at described working box (2), the shoe cream room of described oil temperature warming plate (25) communicates with oily thermal source, provides deep fat continuously by oily thermal source to oil temperature warming plate (25).
10. according to the vacuum oven being rapidly heated described in claim 2 or 3, it is characterized in that: described compressing member (42) comprises a rotary power (421), a locking plate (422) is respectively established at two ends in described rotation moving (421), described rotation moving (421) drives described locking plate (422), sealing plate (41) can be pinned or release.
CN201410291884.0A 2014-06-26 2014-06-26 The vacuum oven that can be rapidly heated Active CN104061765B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890296A (en) * 2015-12-25 2016-08-24 深圳市信宇人科技有限公司 Safe and high-efficient tunnel-type vacuum oven
CN109028932A (en) * 2018-08-02 2018-12-18 老肯医疗科技股份有限公司 The cabinet door and vacuum shelf dryer of vacuum shelf dryer

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101859915A (en) * 2010-05-11 2010-10-13 深圳市信宇人科技有限公司 Novel energy-saving vacuum oven
CN102072620A (en) * 2011-01-28 2011-05-25 福建南平南孚电池有限公司 Vacuum baking oven for pole pieces of battery
JP2011192390A (en) * 2010-03-11 2011-09-29 Noritake Co Ltd Drying method and drying device of metal foil laminated body
CN203940698U (en) * 2014-06-26 2014-11-12 深圳市信宇人科技有限公司 The vacuum oven that can be rapidly heated

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011192390A (en) * 2010-03-11 2011-09-29 Noritake Co Ltd Drying method and drying device of metal foil laminated body
CN101859915A (en) * 2010-05-11 2010-10-13 深圳市信宇人科技有限公司 Novel energy-saving vacuum oven
CN102072620A (en) * 2011-01-28 2011-05-25 福建南平南孚电池有限公司 Vacuum baking oven for pole pieces of battery
CN203940698U (en) * 2014-06-26 2014-11-12 深圳市信宇人科技有限公司 The vacuum oven that can be rapidly heated

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105890296A (en) * 2015-12-25 2016-08-24 深圳市信宇人科技有限公司 Safe and high-efficient tunnel-type vacuum oven
CN105890296B (en) * 2015-12-25 2018-08-28 深圳市信宇人科技股份有限公司 Safe and efficient tunnel type vacuum oven
CN109028932A (en) * 2018-08-02 2018-12-18 老肯医疗科技股份有限公司 The cabinet door and vacuum shelf dryer of vacuum shelf dryer

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