CN2243058Y

CN2243058Y - Normal-temp. drying box

Info

Publication number: CN2243058Y
Application number: CN 94227024
Authority: CN
Inventors: 任庚蓉
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-01-10
Filing date: 1994-01-10
Publication date: 1996-12-18
Anticipated expiration: 2004-01-10

Abstract

The utility model relates to a normal-temperature drying box through which depth dehumidification can be automatically and rapidly implemented under normal temperature. Present humidity value in the box can be displayed. The utility model is composed of a box body with a magnetic door, a rapid dryer arranged on the side wall of the box, a control circuit and a humidity meter. An electrothermal element, a hygroscopic agent, a hygroscopic box, a ventilation fan and a movable door which is controlled by a motor are arranged in the rapid dryer. The directions of air intake and air outgoing can be changed through the movable door. When humidity is discharged, the movable door is opened toward the outside of the box through the control circuit. The hygroscopic agent is baked. When humidity is absorbed, power off and cooling are implemented. The movable door is opened toward the interior of the box. The humidity of air in the acceleration box of the ventilation fan is absorbed by the hygroscopic agent. The utility model has the advantages of convenience, practicality, reliability, and low electricity consumption. The normal-temperature drying box is suitable for the drying and storage for optical lenses, rubber rings for photograph, image tapes, computer disks, precision instruments, chemical and powdered material and non-fire resistant material and use for scientific research, hospitals and experiment.

Description

A kind of air drying case

The utility model relates to a kind of degree of depth dehumidifying can fast automaticly at normal temperatures carried out, and can be accurately the air drying case of current humidity value in the show case in real time.

The applicant number is 93 2 38343.2 in Chinese patent application earlier again, name is called the note ＂ that is proposed among the automatic air drying case of the ＂ electronics ＂ and recalls alloy drive-type ＂ drying box, it is inhaled, the on-off action of humidity discharging, by control circuit the PTC in the moisture absorption box is powered up intensification and outage cooling, memorial alloy is shortened because of intensification, cooling and extending makes suctions, damp exhausting door switching thereby produce stroke.But, the shortening of memorial alloy or elongation are subjected to the influence of gradient of temperature speed, be to gradually change, rather than prominent, particularly,, be difficult for heat radiation because of memorial alloy is ensconced in the moisture absorption box deeply at temperature-fall period, wanted tens of minutes memorial alloy to extend fully after the outage, close damp exhausting door and open damp suction door simultaneously.And, because damp suction door and damp exhausting door are linkage interlocked, in this motion process of tens of minutes, before damp exhausting door is not closed fully, just exist a damp suction door and damp exhausting door all to be in the state procedure of unlatching simultaneously, cause the interior air of case to communicate, cause the outer highly humid air of case to be invaded in the case and reduced effect on moisture extraction with the case outer air.In addition, before the temperature rise period damp suction door is not closed fully, exist such damp suction door and damp exhausting door all to be in the state procedure of unlatching simultaneously equally, and, because heat this moment, the part steam that baking evaporates in the moisture absorption box also will enter in the case from damp suction door, cause that humidity obviously rises in the case, increase the weight of the dehumidifying workload of drying box, and reduced dehumidifying speed.The effect on moisture extraction of this kind drying box is that the humidity indentation in the case descends, and non-rectilinear descends.Humidity can only drop to about 30% in the case, be difficult to carry out the dehumidifying of bigger depth bounds, and the dehumidifying time is long, and the tank-volumes of 40 liters needs humidity in the case to be dropped to 30% from 90% more than 12 hours approximately.

In above-mentioned patent application, other has a kind of ＂ Motor Drive formula ＂ drying box, and it is by the motor forward and reverse, and the tooth bar that connects damp suction door and damp exhausting door through reduction gearing control moves back and forth, thereby realizes the switch door action of sudden change formula.Though this kind mode has been avoided above-mentioned deficiency, but carry out degree of depth dehumidifying, but because the moisture in its moisture absorption box respiratory box is to be undertaken by naturally osmotic, air flows slowly, so dehumidifying speed is still slow, the dehumidifying time is still long.

In above-mentioned patent application, also have a kind of ＂ memorial alloy drive-type ＂ drying box that has increased a ventilating fan, though moisture permeable dehumidification in the case is accelerated in available ventilating fan air blast, its memorial alloy drives the deficiency of damp suction door and damp exhausting door generation, still exists.

In above-mentioned patent application, the demonstration of humidity is to show by the luminous of light emitting diode identical with humidity initialize switch gear quantity in its case.On practical significance, its demonstration be between the humidity province, rather than real-time humidity value accurately.When its 30% grade of light emitting diode is bright, reflection be that humidity reaches below 30% in the case; When its 40% grade of light emitting diode is bright, reflection be that humidity is between 30%-40% in the case, the rest may be inferred by analogy.Therefore can not the interior current humidity value of accurately real-time show case.

Carry out at normal temperatures under the situation of current humidity value in quick and degree of depth dehumidifying and the accurately real-time show case for requiring, above-mentioned drying box obviously just can not reach requirement.

The utility model provides a kind of can fast automaticly at normal temperatures carry out degree of depth dehumidifying, and the drying box of the interior actual humidity value of energy inspection box.

The purpose of this utility model reaches by following measure:

This can fast automaticly at normal temperatures carry out degree of depth dehumidifying, and can be accurately the air drying case of current humidity value in the show case in real time, by reliable sealing casing, flash dryer, control circuit and four most compositions of hygrometer.

The main points of the new wall of this practicality are heating to be packed into one have in the moisture absorption box of many ventilation eyelets, and fill hygroscopic agent between box wall and heating, at an end of the moisture absorption box ventilating fan are set and constitute moisture absorption assembly.Respectively establish a dodge gate by drive motors and transmission device control that can change air turnover direction again at moisture absorption assembly two ends.And said structure is positioned in the housing that has a passage corresponding with dodge gate, after the dodge gate action, can makes outside air contact or to cut off contacting of outside air and moisture absorption assembly through passage and moisture absorption assembly.Promptly constitute flash dryer.

Flash dryer is installed in the reliable sealing casing has on the tank wall of hole, the interior passage that flash dryer is contacted with box house becomes moisture absorption hole, and the outer vent that contacts with the case outer air becomes moisture discharging opening.

The control circuit of control rapid draing work is by the digital time controller, drives damp circuit and dodge gate drive motors circuit constitutes; Or the air humidity detector that constitutes by humidity sensor and peripheral circuit, by voltage comparator constitute drive damp circuit, and dodge gate drive motors circuit and time controller form jointly.When the needs humidity discharging, control circuit instruction drive motors rotates, and makes the dodge gate action, and the contacting of air and moisture absorption assembly in the fast shut-off case makes moisture absorption assembly contact with the case outer air and the heating in the moisture absorption box is powered up heating, toasts hygroscopic agent.The steam that toasts out is overflowed by moisture absorption box eyelet, and drains into atmosphere through housing breathe.When hygroscopic agent after baking reaches requirement, control circuit outage stops heating, treat that its cooling reaches requirement after, the instruction drive motors rotates, make the dodge gate action, fast shut-off moisture absorption assembly contacts with the case outer air, and it is contacted with air in the case, carry out the moisture absorption, the ventilating fan air blast forces the interior air of case to see through hygroscopic agent fast through moisture absorption box eyelet, accelerates the moisture absorption and falls wet speed.

When through the moisture absorption after a while, hygroscopic agent has tended to full and has closed, and needs humidity discharging regeneration, and this moment, control circuit repeated the front instruction again, ordered about the dodge gate action, powered up baking humidity discharging etc., so went round and began again, and humidity reaches requirement in case.

Hygrometer independently or the electronic digital table that connects with air humidity detector in the control circuit are installed on the casing, make that air contact in dew cell and the case, index plane just can be observed indicated value outside case outside case, the interior current humidity value of understanding case.

The utility model can be in 2 hours, air humidity in the case of 40 liter volumes is dropped to below 20% from 90%, and can accurately understand humidity drop-out value in the case from the indicated value of humidometer at any time.

Accompanying drawing

Fig. 1, the utility model overall construction drawing.

Fig. 2, the right view of Fig. 1.

Fig. 3, the sectional drawing of magnetic door soft door envelope.

Fig. 4, the sectional drawing of the hard doorframe of magnetic door.

Fig. 5, flash dryer moisture absorption structure graph.

Fig. 6, flash dryer humidity discharging structure graph.

Fig. 7, the right view of Fig. 5.

The utility model is described in further detail below in conjunction with embodiment:

A kind ofly can fast automaticly at normal temperatures carry out degree of depth dehumidifying, and can be accurately the air drying case of current humidity value in the show case in real time, form by reliable sealing casing (1), flash dryer (2), control circuit and hygrometer (4) four parts.

Wherein, casing (1) has cylindricality door-hinge (26) up and down, and magnetic door (3).This door is to be by section

Shape also has magnetic stripe (27) and air bag (28) and soft door envelope (30) that hollow triangle scarf joint (29) forms reaches and is by section

Shape, and have soft door envelope scarfing slot (31), groove width 3-6 millimeter the anti-retraction slot (34) of door-plate scarfing slot (32), door-hinge hole (33), facade, post the hard doorframe (37) of the anti-retraction slot (35) in front that blocks bright band, but and in the inspection box the transparent door-plate or the opaque door-plate (38) of situation form.Surround the rectangular section bar corner cut of hard doorframe (37) square, after glass or iron sheet door-plate were gone in interlocking, joint close was fixed, again with the rectangular section bar corner cut of soft door frame (30), heat seal surround square after, interlocking is on hard doorframe, and magnetic door promptly is assembled into an integral body, by door-hinge hole (33) magnetic shape door and casing (1) door-hinge (26) is pegged graft, make the magnetic shape door (3) can rotary opening closing, and be fixed on the casing (1), its dew cell can be contacted with air in the case, and can outside case, observe its indicated value.

Flash dryer (2) is by the moisture absorption box (12) that many ventilation eyelets are arranged, is contained in heating (6), drier in the box, and at a ventilating fan (8) from tuyere line to moisture absorption box that locate of moisture absorption box one end installing, constitute moisture absorption group, two ends at moisture absorption assembly, respectively there is a door-hinge (13,14) to be positioned at the door leaf center, and the dodge gate (9,10), dodge gate in the formation (9) and the following dodge gate (10) that are fixed as one with door leaf.Last door-hinge (13) is horizontal with following door-hinge (14), and axially vertical with ventilating fan (8) motor shaft (15), becomes I-shaped.The above composition relative two sides of packing into is respectively had a passage (23,24) up and down, and the two sides of not opening pore respectively has a door-hinge hole (38,39) up and down, forms the elongate housing (11) of axis hole (38) and Xiamen axis hole (39) to the doorstep.Allow door-hinge (13) set up in axis hole (38) to the doorstep and stretch out, following door-hinge (14) sets up in Xiamen axis hole (39) and stretches out.On housing (11), with last dodge gate (9) and following dodge gate (10) a side and communicate be interior passage (23), be outer vent (24) at opposite side and the passage that communicates.In housing (11), corresponding with passage (23,24), on shell wall about the both sides that door-hinge (13,14) is axially vertical up and down,, be provided with center and outermost point and upper and lower door-hinge (13,14) the contacted airtight steps of ＂ people ＂ font (25) along dodge gate (9,10) largest motion distance.

A dodge gate drive motors (16) is equipped with in top in housing (11), drive motors axle (17) axially, be horizontal with door-hinge up and down.Drive motors axle (17) is equipped with motor driving pulley (18), door-hinge on its same side (13) is equipped with double-deck driving pulley (19), following door-hinge (14) also is equipped with Xiamen shaft transmission belt wheel (20), transmission cushion rubber or belt (21) are enclosed within on motor driving pulley (18) and double-deck driving pulley (19) one deck parallel with motor driving pulley (18), with another transmission cushion rubber or belt coiled ＂ 8 ＂ words, with a snare of ＂ 8 ＂ font cushion rubbers or belt (22) on another layer of double-deck driving pulley (19), also have a snare on Xiamen shaft transmission belt wheel (20), promptly constitute flash dryer (2).Passage in it (23) faced pack in the case and be fixed in the hole (5) that casing (1) sidewall leaves.When drive motors (16) instructs moment when clockwise direction rotates by control circuit, by transmission cushion rubber or belt, and ＂ 8 ＂ font cushion rubber or belts, drive double-deck driving pulley (19), last door-hinge (13) and Xiamen shaft transmission belt wheel (20), carry out counter motion between the following door-hinge (14), be buckled in outer vent (24) on the limit of the nearest side of moisture absorption assembly and on the side of the airtight step of ＂ people ＂ font (25), on, following dodge gate (9,10) form the ＂ eight ＂ fonts of a setting mutually, cut off contacting of moisture absorption assembly and case outer air, opening contacts with the interior air of case, and drying box is in moisture absorption duty.Through the moisture absorption after a while, control circuit instructs drive motors (16) moment to counterclockwise rotating again, counter motion again between last dodge gate (9) and the following dodge gate (10), be buckled in interior passage (23) on the limit of the nearest side of moisture absorption assembly and on the opposite side of the airtight step of ＂ people ＂ font (25), upper and lower dodge gate forms the anti-＂ eight ＂ fonts of a setting again mutually, cut off contacting of moisture absorption assembly and the interior air of case, contacting of opening and case outer air, drying box is in the humidity discharging duty.

Finish together with the control circuit assembling above, a kind of degree of depth of fast automaticly at normal temperatures carrying out dehumidifies, and the air drying case of current humidity value promptly constitutes in the accurately real-time show case.

Claims

1, a kind of air drying case is made up of casing (1), flash dryer (2), hygrometer (4) and control circuit, it is characterized in that:

A, flash dryer (2) are that heating (6) and drier (7) are incorporated with in the moisture absorption box (12) of many ventilation eyelets, end at moisture absorption box (12) is provided with ventilating fan (8), form moisture absorption assembly, the a pair of dodge gate (9,10) that can change air turnover direction is set at the two ends of moisture absorption assembly, and said structure packed into one have corresponding with dodge gate (9,10) at two ends and the interior passage (23) that communicates and the housing (11) of outer vent (24), dodge gate drive motors (16) is set on housing (11) and constitutes.

B, casing (1) is by having magnetic stripe (27), the soft door that air bag (28) and scarf joint (29) form seals (30) and has soft door envelope scarfing slot (31), transparent or opaque door-plate (38), the door-plate scarfing slot (32) of groove width 3-6 millimeter, door-hinge hole pipeline (33), retraction slot (34) is prevented in the side, post the anti-retraction slot (35) in front of bright band, the hard doorframe (37) that dust protection is piled up inclined-plane or arc surface (36) constitutes magnetic door (3), and by door-hinge hole pipeline (33) and cylindrical door-hinge (26) grafting that is fixed on the casing (1), it can be opened and closed, on casing (1), have flash dryer installing hole (5), hygrometer (4) is fixed on magnetic door (3) goes up or be fixed on the casing (1), and its dew cell can be contacted with air in the case and constitute.

C, again flash dryer (2) is fixed on the installing hole of being opened on the casing (1) (5) and locates, and allow inner air vent (23) in casing (1), communicate with the air in the casing (1), outer vent (24) is outside casing (1), and the atmosphere outer with casing (1) communicates.

2, a kind of air drying case according to claim 1, the motion that it is characterized in that dodge gate (9,10) are to be driven by drive motors (16).