CN214716714U

CN214716714U - High low temperature test prevents condensation device

Info

Publication number: CN214716714U
Application number: CN202120928145.3U
Authority: CN
Inventors: 李鹏
Original assignee: Chengdu Morlab Testing Technology Co ltd
Current assignee: Chengdu Morlab Testing Technology Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-11-16
Anticipated expiration: 2031-04-30

Abstract

The utility model provides a condensation device is prevented in high low temperature test. High low temperature test prevents condensation device includes: the dehumidifier comprises a dehumidifier body and an air inlet cover, wherein the top of the air inlet cover is provided with a plurality of circulation holes; the air return pipe is arranged above the dehumidifier body, one end of the air return pipe is fixedly connected with an air outlet of the dehumidifier body, and the other end of the air return pipe is fixedly connected with the air inlet cover; the air suction pipe is fixedly arranged on an air inlet of the dehumidifier body; the air pipe is arranged on one side of the air suction pipe; the connecting pipe is fixedly arranged on the air suction pipe and the air vent pipe through flanges; two filter plate, two the filter plate all sets up in the connecting tube. The utility model provides a high low temperature test prevents condensation device has the advantage that can carry out effective filtration, large-scale impurity content in the reduction air to the air of circulation.

Description

High low temperature test prevents condensation device

Technical Field

The utility model relates to a prevent condensation technical field, especially relate to a condensation device is prevented in high low temperature test.

Background

In a natural environment, temperature and humidity are two inseparable natural factors, and the temperature and humidity effects generated in different regions are different due to different geographical positions. Therefore, people can use the high-low temperature test chamber to confirm the storage, transportation and use adaptability of the product under the temperature, humidity and climate environment conditions. The severity of the test depends on high temperature, low temperature, humidity and exposure duration, and the high and low temperature test box is in use, when the internal environment temperature rises, the temperature of the surface of the product is lower than the environment temperature due to thermal inertia, when the humid and hot environment air meets the surface of the product with dew point, the water vapor condenses on the surface to form dew drops, and if the product is sealed, when the environment temperature in the test box falls, the temperature of the inner wall of the shell of the product is cooled faster than the temperature of the air in the cavity, the humid and hot air in the cavity can condense on the inner wall of the shell of the product to affect the self attribute of the product, therefore, in the high and low temperature test, the dehumidifier, the dryer and other equipment are generally used for carrying out corresponding treatment, thereby reducing or avoiding the formation of the dew drops.

However, when the conventional dehumidifier is used for dehumidifying the air in the test chamber, because the air to be introduced into the dehumidifier is not filtered, impurities such as flocculent floaters carried in the outside air are easily sucked into the dehumidifier, so that the problem of short circuit caused by poor contact of internal circuits of the dehumidifier due to dust coverage may be caused, and the normal use of the dehumidifier is further influenced.

Therefore, it is necessary to provide a high and low temperature test condensation preventing device to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a can carry out effective filtration, reduce large-scale impurity content's high low temperature test condensation device in the air to the air of circulation.

In order to solve the technical problem, the utility model provides a condensation device is prevented in high low temperature test, include: the dehumidifier comprises a dehumidifier body and an air inlet cover, wherein the top of the air inlet cover is provided with a plurality of circulation holes; the air return pipe is arranged above the dehumidifier body, one end of the air return pipe is fixedly connected with an air outlet of the dehumidifier body, and the other end of the air return pipe is fixedly connected with the air inlet cover; the air suction pipe is fixedly arranged on an air inlet of the dehumidifier body; the air pipe is arranged on one side of the air suction pipe; the connecting pipe is fixedly arranged on the air suction pipe and the air vent pipe through flanges; the two filter hole plates are arranged in the connecting pipe; the box body is fixedly arranged on the connecting pipe through a bolt, and the bottom of the box body is provided with an opening; the two connecting plates are arranged in the connecting pipe and are movably connected with the inner wall of the connecting pipe; the dredging rods are fixedly arranged on the two belt connecting plates; the two cover plates are arranged on the connecting pipe, and the tops of the two connecting belt plates are fixedly connected with the corresponding cover plates; the two connecting plates are fixedly arranged on the two cover plates respectively; the fixing and connecting rods are fixedly arranged on the two connecting plates; the pushing mechanism is arranged on the fixing rod.

Preferably, the pushing mechanism includes linkage plate, two slide bars, two reset springs, bull stick, cam and motor, linkage plate fixed mounting be in on the anchor rod, two the equal slidable mounting of slide bar is in on the linkage plate, two the equal cover of reset spring is established and is corresponded on the slide bar, the bull stick rotates to be installed on one side inner wall of box, the fixed cover of cam is established on the bull stick, the cam with the looks adaptation of linkage, motor fixed mounting be in on one side outer wall of box, the output shaft of motor with the one end fixed connection of bull stick.

Preferably, two sunken grooves are formed in the inner wall of the connecting pipe, a connecting plate and two connecting rods are fixedly mounted in the sunken grooves through bolts and extend to the top of the connecting plate in the connecting pipe, the connecting rods are fixedly mounted on one sides of the connecting plates close to each other and are fixedly connected with the filter hole plates respectively.

Preferably, the ash falling port has been seted up on the last one of the inner wall of connecting pipe, fixed mounting has the dust hopper on the connecting pipe, the dust hopper with ash falling port looks adaptation, two expansion ports have been seted up on the inner wall of connecting pipe, two the tie plate all runs through the correspondence the expansion port and with corresponding the expansion port swing joint, the expansion port with dredge pole looks adaptation, just the apron with expansion port looks adaptation, fixed mounting has the horizontal pole on the inner wall of box, the horizontal pole run through the linkage plate and with linkage plate sliding connection.

Preferably, the sliding rod is fixedly sleeved with a baffle, one end of the reset spring is fixedly connected with the baffle, and the other end of the reset spring is fixedly connected with the linkage plate.

Preferably, a round seat is fixedly mounted on the inner wall of the air inlet cover, two cavities are formed in the round seat, a plurality of air inlet holes are formed in the inner wall of the top of the cavity above the round seat, a plurality of air outlet holes are formed in the inner wall of the bottom of the cavity below the round seat, an alkaline drying agent is filled in the cavity below the round seat, and an acidic drying agent is filled in the cavity above the round seat.

Preferably, a plurality of air holes are formed in the inner wall of one side, close to each other, of each of the two cavities, the alkaline drying agent is solid soda lime, and the acidic drying agent is solid phosphorus pentoxide.

Compared with the prior art, the utility model provides a condensation device is prevented in high low temperature test has following beneficial effect:

the utility model provides a high low temperature test prevents condensation device can effectively solve the condition that the filtration pore board takes place to block up through the mediation pole that sets up to can guarantee the filter effect of filtration pore board in certain period of time, and dredge the process, only need starter motor can realize reciprocating type mediation work, dredge effectually, in addition, through removable box and connecting pipe, alright clear up the filtration pore board and change convenient to use, easy operation.

Drawings

Fig. 1 is a schematic front view of a first embodiment of a high-low temperature test condensation preventing device provided by the present invention;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion B shown in FIG. 2;

fig. 4 is a schematic side view of the connection structure of the rotating rod, the cam and the motor in the first embodiment of the high and low temperature test condensation preventing device provided by the present invention;

fig. 5 is a schematic front view of a high-low temperature test condensation preventing device according to a second embodiment of the present invention;

fig. 6 is an enlarged schematic view of a portion C shown in fig. 5.

Reference numbers in the figures: 1. a dehumidifier body; 2. an air intake hood; 3. an air return pipe; 4. an air intake duct; 5. a breather pipe; 6. a connecting pipe; 7. a filter orifice plate; 8. a box body; 9. a belt connecting plate; 10. dredging the rod; 11. a cover plate; 12. a connector tile; 13. a connecting rod is fixed; 14. a linkage plate; 15. a slide bar; 16. a reset spring; 17. a rotating rod; 18. a cam; 19. a motor; 20. a round base; 21. a cavity; 22. an air inlet; 23. an air outlet; 24. an alkaline drying agent; 25. an acidic drying agent.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

First embodiment

Referring to fig. 1 to 4, in a first embodiment of the present invention, a high and low temperature test condensation preventing device includes: the dehumidifier comprises a dehumidifier body 1 and an air inlet cover 2, wherein the top of the air inlet cover 2 is provided with a plurality of circulation holes, and the circulation holes can provide air pressure balance between an external high-low temperature test box and external air pressure so that air can smoothly circulate; the air return pipe 3 is arranged above the dehumidifier body 1, one end of the air return pipe 3 is fixedly connected with an air outlet of the dehumidifier body 1, the other end of the air return pipe 3 is fixedly connected with the air inlet cover 2, and the air return pipe 3 can introduce dried gas into the external high-low temperature test box again, so that the dryness in the box is improved; the air suction pipe 4 is fixedly arranged on an air inlet of the dehumidifier body 1; a ventilation pipe 5, wherein the ventilation pipe 5 is arranged at one side of the air suction pipe 4; the connecting pipe 6 is fixedly arranged on the air suction pipe 4 and the air vent pipe 5 through flanges; the two filter hole plates 7 are arranged in the connecting pipe 6, and the diameters of the filter holes on the two filter hole plates 7 are different, so that the gas can be filtered in two degrees, and the filtering effect is improved; the box body 8 is fixedly arranged on the connecting pipe 6 through bolts, and the bottom of the box body 8 is provided with an opening; the two connecting plates 9 are arranged in the connecting pipe 6, and the connecting plates 9 are movably connected with the inner wall of the connecting pipe 6; the dredging rods 10 are fixedly arranged on the two connecting plates 9, and the dredging rods 10 can be matched with the filter holes on the filter hole plate 7 in pore size, so that the filter holes can be dredged; the two cover plates 11 are arranged on the connecting pipe 6, and the tops of the two connecting belt plates 9 are fixedly connected with the corresponding cover plates 11; the two connecting joint plates 12 are fixedly arranged on the two cover plates 11 respectively, and the cover plates 11 can cover the movable openings completely, so that the air tightness of the connecting pipe 6 is ensured; the fixing rods 13 are fixedly arranged on the two connecting plates 12; the pushing mechanism is arranged on the fixing rod 13.

The pushing mechanism comprises a linkage plate 14, two sliding rods 15, two reset springs 16, a rotating rod 17, a cam 18 and a motor 19, wherein the linkage plate 14 is fixedly installed on the fixing rod 13, and performs reciprocating motion back and forth in the horizontal direction under the action of the reset springs 16 through pushing cooperation between the linkage plate 14 and the cam 18, so as to realize dredging work with good effect, the two sliding rods 15 are both slidably installed on the linkage plate 14, the two reset springs 16 are both sleeved on the corresponding sliding rods 15, the rotating rod 17 is rotatably installed on the inner wall of one side of the box body 8, the cam 18 is fixedly sleeved on the rotating rod 17, the cam 18 is matched with the linkage plate 14, the motor 19 is fixedly installed on the outer wall of one side of the box body 8, an output shaft of the motor 19 is fixedly connected with one end of the rotating rod 17, and by starting the motor 19, the rotating rod 17 and the cam 18 fixedly attached to the rotating rod 17 are driven to rotate, so that the reciprocating motion can be realized later.

Seted up two grooves of sinking on the inner wall of connecting pipe 6, sink into the inslot and have even board, two through bolt fixed mounting even the top of even board all extends to in the connecting pipe 6, two even the equal fixed mounting in one side that the board is close to each other has a connecting rod, two the one end that the connecting rod is close to each other respectively with two 7 fixed connection of orifice plate sink into the groove and can contain even board completely including for the both ends face of connecting pipe 6 can level and smoothly not have the arch, and the connecting rod is cylindric appearance, can not hinder the dust on the orifice plate 7 and fall into the dust hopper.

The inner wall of the connecting pipe 6 is provided with an ash falling port, the connecting pipe 6 is fixedly provided with a dust hopper which is matched with the ash falling port, the dust hopper can intensively collect dust on the filter orifice plate 7 to facilitate subsequent cleaning of people, the inner wall of the connecting pipe 6 is provided with two movable ports, two connecting plates 9 respectively penetrate through the corresponding movable ports and are movably connected with the corresponding movable ports, the movable ports are matched with the dredging rods 10, the cover plate 11 is matched with the movable ports, the movable ports are arranged to enable the connecting plates 9 to have a movable space, so that dredging work can be gradually realized, the inner wall of the box body 8 is fixedly provided with a cross rod, the cross rod penetrates through the connecting plates 12 and is in sliding connection with the connecting plates 12, and the cross rod can provide a reinforcing point for the connecting plates 12, thereby allowing the connector tiles 12 to slide more smoothly and unimpeded.

The fixed cover is equipped with the baffle on the slide bar 15, reset spring 16 one end with baffle fixed connection, reset spring 16 the other end with linkage plate 14 fixed connection, the baffle can provide a fixed stress point for reset spring 16 to can be stretched and kick-back naturally.

The utility model provides a high low temperature test prevents condensation device's theory of operation as follows:

in the device, an air inlet cover 2 is communicated with the inside of an external high-low temperature test box, an air pipe 5 is also communicated with the inside of the external high-low temperature test box, in addition, the aperture of a filter hole plate 7 close to a dehumidifier body 1 is smaller than that of a filter hole plate 7 far away from the dehumidifier body 1, and dredging rods 10 on two corresponding connecting plates 9 are respectively matched with the apertures with two sizes;

when the dehumidifier body 1 is used for dehumidifying air inside an external high-low temperature test box and inlet air, the dehumidifier body 1 is started, the air inside the test box sequentially enters the dehumidifier body 1 through a vent pipe 5, a connecting pipe 6 and an air suction pipe 4, moisture in the air can be removed through the operation of relevant components inside the dehumidifier body 1, so that the air can be dried, then the dried air enters an air inlet cover 2 through an air return pipe 3 and enters the external high-low temperature test box again, the air pressure inside and outside the test box can be balanced through a circulation hole arranged at the top of the air inlet cover 2, a small amount of external air can enter the test box, the air inside the test box can have certain dryness and can smoothly circulate, and the circulation is carried out, so that the air inside the test box can be dried, thereby reducing or even avoiding the occurrence of condensation phenomenon;

and when the gas circulates, the gas can sequentially pass through the two filter hole plates 7, so that impurities such as flocculent floaters and the like in the gas can be intercepted and filtered to the maximum extent, after the gas is used for a period of time, the motor 19 can be started, the output shaft of the motor 19 drives the rotating rod 17 to rotate, so that the cam 18 can be driven to rotate, after the convex part of the cam 18 is abutted to the linkage plate 14, the linkage plate 14 can move in the horizontal direction, so that the connecting plate 12 and the connecting plate 9 can be driven to move horizontally, the dredging rod 10 can be inserted into the filter holes, so that impurities blocked in the filter holes are ejected out and fall into the dust collecting hopper through the dust falling port, the reset spring 16 is in a stretching state at the moment, after the cam 18 is separated from the linkage plate 14, under the action of the reset spring 16, the linkage plate 14 returns to the original taste until the convex part of the cam 18 is contacted with the linkage plate 14 again, the operation of dredging can be continuously carried out for a plurality of times by reciprocating in sequence, and after the dredging is finished, the motor 19 is turned off to carry out the dehumidification operation again;

the closing cap of dust hopper bottom can be opened in the later stage and the dust is concentrated and is collected to and take off the bolt on the box 8, alright take the board 9 of taking along with dredging rod 10 and take out, then pull down connecting pipe 6, alright pull down clearance or change convenient operation with two orifice plates 7.

this device can effectively solve the condition that the filter orifice board 7 takes place to block up through the mediation pole 10 that sets up to can guarantee the filter effect of filter orifice board 7 in certain period of time, and the mediation process, only need starter motor 19 can realize reciprocating type mediation work, and the mediation is effectual, in addition, through removable box 8 and connecting pipe 6, alright clear up the change to filter orifice board 7, convenient to use, easy operation.

Second embodiment:

based on the experimental condensation device of preventing of high low temperature that provides of the first embodiment of this application, the second embodiment of this application provides another kind of high low temperature test condensation device of preventing. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further explained with reference to the drawings and the embodiments.

Referring to fig. 5-6, the anti-condensation device for high and low temperature tests further includes a round base 20, the round seat 20 is fixedly installed on the inner wall of the air inlet cover 2, the round seat 20 is provided with two cavities 21, the inner wall of the top of the cavity 21 positioned above is provided with a plurality of air inlet holes 22, the inner wall of the bottom of the cavity 21 positioned below is provided with a plurality of air outlet holes 23, the air inlet holes 22 and the air outlet holes 23 are arranged to provide a smooth path for the circulation of air, the cavity 21 positioned below is filled with an alkaline desiccant 24, the alkaline desiccant 24 can neutralize alkaline impurities in the air, the cavity 21 positioned above is filled with an acidic desiccant 25, and the acidic desiccant 25 can neutralize the alkaline impurities in the air, therefore, certain guarantee can be brought to the high-low temperature test box and the internal parts of the dehumidifier body 1.

A plurality of air holes are formed in the inner wall of one side, close to each other, of each of the two cavities 21, the air holes can be communicated with the air inlet holes 22 and the air outlet holes 23, so that air can smoothly circulate, the alkaline drying agent 24 is solid alkaline lime, and the acidic drying agent 25 is solid phosphorus pentoxide.

When the dry gas which flows back and the external air which enters the air inlet cover 2 through the circulation hole enter the external high-low temperature test box, the dry gas enters the cavity 21 filled with the acid drying agent 25 through the air inlet hole 22, the acid drying agent 25 can neutralize the residual alkaline gas at one end in the gas, then the alkaline gas enters the cavity 21 filled with the alkaline drying agent 24 through the air hole, and the acid gas at one end contained in the air hole can be neutralized, so that the purified gas can smoothly enter the test box, and the corrosion damage of the acidic or alkaline gas to parts in long-term use is reduced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a condensation device is prevented in high low temperature test which characterized in that includes:

the dehumidifier comprises a dehumidifier body and an air inlet cover, wherein the top of the air inlet cover is provided with a plurality of circulation holes;

the air return pipe is arranged above the dehumidifier body, one end of the air return pipe is fixedly connected with an air outlet of the dehumidifier body, and the other end of the air return pipe is fixedly connected with the air inlet cover;

the air suction pipe is fixedly arranged on an air inlet of the dehumidifier body;

the air pipe is arranged on one side of the air suction pipe;

the connecting pipe is fixedly arranged on the air suction pipe and the air vent pipe through flanges;

the two filter hole plates are arranged in the connecting pipe;

the box body is fixedly arranged on the connecting pipe through a bolt, and the bottom of the box body is provided with an opening;

the two connecting plates are arranged in the connecting pipe and are movably connected with the inner wall of the connecting pipe;

the dredging rods are fixedly arranged on the two belt connecting plates;

the two cover plates are arranged on the connecting pipe, and the tops of the two connecting belt plates are fixedly connected with the corresponding cover plates;

the two connecting plates are fixedly arranged on the two cover plates respectively;

the fixing and connecting rods are fixedly arranged on the two connecting plates;

the pushing mechanism is arranged on the fixing rod.

2. The high and low temperature test condensation preventing device according to claim 1, wherein the pushing mechanism comprises a linkage plate, two sliding rods, two return springs, a rotating rod, a cam and a motor, the linkage plate is fixedly mounted on the fixing rod, the two sliding rods are both slidably mounted on the linkage plate, the two return springs are both sleeved on the corresponding sliding rods, the rotating rod is rotatably mounted on an inner wall of one side of the box body, the cam is fixedly sleeved on the rotating rod, the cam is matched with the linkage plate, the motor is fixedly mounted on an outer wall of one side of the box body, and an output shaft of the motor is fixedly connected with one end of the rotating rod.

3. The high and low temperature test condensation preventing device according to claim 1, wherein two recessed grooves are formed in the inner wall of the connecting pipe, connecting plates are fixedly mounted in the recessed grooves through bolts, the tops of the two connecting plates extend into the connecting pipe, connecting rods are fixedly mounted on the sides, close to each other, of the two connecting plates, and one ends, close to each other, of the two connecting rods are fixedly connected with the two filter hole plates respectively.

4. The high and low temperature test condensation preventing device according to claim 1, wherein an ash falling port is formed on an inner wall of the connecting pipe, a dust collecting hopper is fixedly mounted on the connecting pipe, the dust collecting hopper is adapted to the ash falling port, two movable ports are formed on the inner wall of the connecting pipe, the two connecting belt plates both penetrate through the corresponding movable ports and are movably connected with the corresponding movable ports, the movable ports are adapted to the dredging rods, the cover plate is adapted to the movable ports, a cross rod is fixedly mounted on the inner wall of the box body, and the cross rod penetrates through the connecting plate and is slidably connected with the connecting plate.

5. The condensation preventing device for the high and low temperature tests according to claim 2, wherein a baffle is fixedly sleeved on the sliding rod, one end of the return spring is fixedly connected with the baffle, and the other end of the return spring is fixedly connected with the linkage plate.

6. The condensation preventing device for the high and low temperature tests according to claim 1, wherein a round seat is fixedly installed on the inner wall of the air inlet cover, two cavities are formed in the round seat, a plurality of air inlet holes are formed in the top inner wall of the upper cavity, a plurality of air outlet holes are formed in the bottom inner wall of the lower cavity, the lower cavity is filled with an alkaline drying agent, and the upper cavity is filled with an acidic drying agent.

7. The condensation preventing device for the high and low temperature tests as claimed in claim 6, wherein a plurality of air holes are formed on the inner wall of one side of the two cavities close to each other, the alkaline drying agent is solid soda lime, and the acidic drying agent is solid phosphorus pentoxide.