CN221154584U - Internal circulation return air structure of infant incubator and infant incubator - Google Patents

Abstract

The utility model relates to the technical field of infant incubators, and discloses an internal circulation air return structure of an infant incubator and the infant incubator, wherein the air return structure is used for the infant incubator with an air internal circulation runner and comprises a wind shielding structure, the wind shielding structure comprises a movable part and a driving part for driving the movable part to move, the movable part is arranged at an air return opening of the internal circulation runner, the air return opening is communicated with a constant temperature area in the infant incubator, the movable part avoids an air outlet when the infant incubator heats, and the movable part shields the air outlet when the infant incubator stops heating; the movable part is a wind shield which is rotationally connected to the air return opening and can shield or avoid the air outlet opening by rotating the wind shield. The return air structure of the utility model enables the return air inlet of the internal circulation runner to have two states of opening and closing, and can delay the loss of heat in the box to a certain extent.

Description

Internal circulation return air structure of infant incubator and infant incubator

Technical Field

The utility model relates to the technical field of infant incubators, in particular to an internal circulation return air structure of an infant incubator and the infant incubator.

Background

The infant incubator is mainly used for providing a culture and treatment environment with clean air and proper temperature and humidity for low-weight infants, sick and weak infants and premature infants. The baby is placed on the crib in the incubator, and the space that the crib was located is the constant temperature region, in order to guarantee that the temperature in constant temperature region is controllable, stable, at present practice is with constant temperature region intercommunication inner loop runner, wherein be equipped with electric heat equipment in the inner loop runner, generally speaking, inner loop runner extends to the side top of crib from the below of crib, the bottom is the air outlet, the top is the return air inlet, when electric heat equipment works, the heat that produces in the inner loop runner under the fan effect is transmitted constant temperature region through the air outlet of bottom earlier, partial heat returns to the inner loop runner through the return air inlet again, in order to form a circulation. At present, the air return opening of the internal circulation flow channel is free of a shielding structure, when heating is finished, the fan does not operate any more, the temperature in the internal circulation flow channel is higher than that in a constant temperature area, and heat in the internal circulation flow channel can be output upwards along the air return opening and is lost outwards through the top cover of the incubator. In addition, when the incubator is opened, the open return air inlet is easy to fall into sundries, and adverse effects can be generated on the normal operation of the incubator.

Disclosure of utility model

The utility model aims to provide an internal circulation return air structure of an infant incubator and the infant incubator. The return air structure of the utility model enables the return air inlet of the internal circulation runner to have two states of opening and closing, and can delay the loss of heat in the box to a certain extent.

The technical scheme of the utility model is as follows: in a first aspect, the utility model provides an internal circulation air return structure of an infant incubator, which is used for the infant incubator with an air internal circulation runner, and comprises a wind shielding structure, wherein the wind shielding structure comprises a movable part and a driving part for driving the movable part to move, the movable part is arranged at an air return port of the internal circulation runner, the air return port is communicated with a constant temperature area in the infant incubator, the movable part avoids the air return port when the infant incubator heats, and the movable part shields the air return port when the infant incubator stops heating.

Compared with the prior art, the internal circulation air return structure has the beneficial effects that: the wind shielding structure comprises a movable part and a driving part, wherein the movable part can shield the wind return opening or avoid the wind outlet opening according to different conditions under the action of the driving part. Specifically, when the infant incubator heats, the movable part avoids the air outlet, at the moment, heat generated in the internal circulation flow channel is firstly transmitted to the constant temperature area through the air outlet at the bottom, and part of the heat is returned to the internal circulation flow channel through the air outlet so as to form a circulation; when the infant incubator stops heating, the movable part shields the air return opening, and the constant temperature area and the internal circulation runner are separated by the movable part at the air return opening, so that the heat rising channel is blocked, the heat transfer between the two spaces is less, the heat loss in the incubator can be delayed, and the heat insulation performance of the infant incubator can be effectively improved due to the arrangement of the air return structure. In addition, when the infant incubator is powered off to open the top cover, sundries can be prevented from falling into the inner circulation runner from the air return port because the air return port is covered by the movable part.

In the internal circulation air return structure of the infant incubator, the movable part is a wind deflector, and the wind deflector is rotationally connected to the air return opening and is rotated to cover or avoid the air return opening.

In the internal circulation air return structure of the infant incubator, the wind shield is rotationally connected to the inner wall of the internal circulation flow channel where the air return port is located, and when the infant incubator heats, the wind shield rotates towards the inside of the internal circulation flow channel so as to avoid the air return port.

In the internal circulation air return structure of the infant incubator, two ends of the wind shield are connected to the inner wall of the internal circulation flow channel through the distribution shaft.

In the internal circulation return air structure of the infant incubator, the wind shield is provided with the traction portion, the driving portion comprises a driving source and a traction steel rope, and the driving source is connected with the traction portion through the traction steel rope.

In the internal circulation return air structure of the infant incubator, the traction part and the driving part are both positioned outside the internal circulation flow channel.

In the internal circulation air return structure of the infant incubator, the internal circulation flow channel is provided with a section of upwardly inclined inner wall surface at a position close to the air return opening, the inner wall surface is provided with a groove, when the wind deflector rotates to the maximum limit inside the internal circulation flow channel, the wind deflector is embedded into the groove, and the outer side surface of the wind deflector is level with the inner wall surface.

In the internal circulation air return structure of the infant incubator, the air return opening is provided with the limiting part, and when the wind deflector rotates to the outside of the internal circulation runner to be propped against the limiting part, the wind deflector completely shields the air return opening.

In the internal circulation return air structure of the infant incubator, the total internal and external rotatable angle of the wind shield is not more than 90 degrees.

In the internal circulation air return structure of the infant incubator, the shape of the air return opening and the shape of the wind shield are rectangular.

In a second aspect, the present utility model provides an infant incubator comprising an internal circulation return air arrangement as described in the first aspect above.

Since the technical improvement and the technical effects of the infant incubator provided by the second aspect of the present utility model are the same as those of the internal circulation return air structure provided by the first aspect, the technical effects of the infant incubator will not be described in detail.

Drawings

FIG. 1 is a schematic view of the relative positions of a movable part and a return air inlet in an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the position of the driving part according to the embodiment of the utility model;

Fig. 3 is a partial enlarged view of fig. 2 at a.

Reference numerals: the device comprises a movable part, a 2-driving part, a 3-air return port, a 4-traction part, a 21-driving source, a 22-traction steel rope and a 23-swing arm.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

The embodiment of the utility model provides an internal circulation return air structure of an infant incubator, which is used for the infant incubator with an air internal circulation runner, and referring to fig. 1 to 3, the internal circulation return air structure comprises a wind shielding structure, wherein the wind shielding structure comprises a movable part 1 and a driving part 2 for driving the movable part 1 to move, the movable part 1 is arranged at a return air inlet 3 of the internal circulation runner, the return air inlet 3 is communicated with a constant temperature area in the infant incubator, the movable part 1 avoids an air outlet 3 when the infant incubator heats, and the movable part 1 shields the air outlet 3 when the infant incubator stops heating.

It should be noted that fig. 1 and 2 are schematic views of the same structure at different viewing angles, the structure is taken from a portion of the infant incubator related to the internal circulation return air structure, which may be regarded as a certain side wall of the infant incubator, and a portion of the internal circulation flow channel is contained in the side wall, wherein the outside space of fig. 1 may be regarded as a constant temperature area of the infant incubator.

The utility model is provided with a wind shielding structure comprising a movable part 1 and a driving part 2 at the air return opening 3 of the inner circulation runner, and under the action of the driving part 2, the movable part 1 can shield the air return opening 3 or avoid the air return opening 3 according to different conditions. Specifically, when the infant incubator heats, the movable part 1 avoids the air outlet 3, at this time, heat generated in the internal circulation flow channel is firstly transmitted to the constant temperature area through the air outlet at the bottom, and part of the heat is returned to the internal circulation flow channel through the air outlet 3 to form a circulation; when the infant incubator stops heating, the movable part 1 shields the air return opening 3, and at the moment, the constant temperature area and the internal circulation runner are separated by the movable part 1 at the air return opening 3, so that the heat rising channel is blocked, the heat transfer between the two spaces is less, the heat loss in the incubator can be delayed, and the heat preservation performance of the infant incubator can be effectively improved due to the arrangement of the air return structure.

In addition, when the infant incubator outage opens the top cap, owing to return air inlet 3 is covered by movable part 1 this moment, can avoid debris to fall into the inner loop runner from return air inlet 3, promotes infant incubator operating stability and life.

Optionally, referring to fig. 1, the movable portion 1 is a wind deflector, fig. 1 is a state when the return air inlet 3 is opened, the wind deflector is rotatably connected to the return air inlet 3, and the wind deflector is rotated to cover or avoid the return air outlet 3.

In the embodiment, the air return opening 3 is opened and closed by the rotation of the wind shield, and the infant incubator is only required to be additionally arranged on the basis of the internal circulation flow channel of the existing infant incubator, so that the original structure of the infant incubator is changed slightly, and the whole infant incubator is simple and easy to operate.

Optionally, referring to fig. 1, the wind guard is rotatably connected to the inner wall of the internal circulation flow channel where the return air inlet 3 is located, and when the infant incubator performs heating operation, the wind guard rotates inside the internal circulation flow channel to avoid the return air outlet 3.

In this embodiment, the wind deflector rotates inside the internal circulation flow channel, when the wind deflector rotates to the maximum, the return air inlet 3 is completely opened, and the wind deflector is entirely inside the internal circulation flow channel at this time, so that the space of the constant temperature area is not occupied.

Alternatively, referring to fig. 1, both ends of the wind guard are connected to the inner wall of the inner circulation flow channel through a distribution shaft, and the whole installation is simple and easy.

Alternatively, referring to fig. 2 and 3, the wind deflector is provided with a traction portion 4, and the driving portion 2 includes a driving source 21 and a traction cable 22, and the driving source 21 is connected to the traction portion 4 via the traction cable 22.

In this embodiment, the driving source 21 is a motor, an output shaft of the motor is fixedly connected with a swing arm 23, one end of the traction steel rope 22 is connected to the swing arm 23, the other end is connected to the traction part 4, and the swing arm 23 rotates under the action of the output shaft, so that the traction steel rope 22 is driven, and the traction steel rope 22 applies force to the traction part 4 to drive the wind shield to rotate. The rotation direction of the wind shield is changed by the forward rotation and the reverse rotation of the motor, so that the action of opening or closing the air return opening 3 is realized.

Alternatively, referring to fig. 2 and 3, the traction part 4 and the driving part 2 are both located outside the internal circulation flow channel, so that the internal circulation flow channel is convenient to install and does not occupy the internal space of the internal circulation flow channel, and heat transfer is not affected.

Optionally, the inner circulation runner is provided with a section of upwardly inclined inner wall surface at a position close to the air return opening 3, the inner wall surface is provided with a groove, when the wind deflector rotates to the maximum limit inside the inner circulation runner, the wind deflector is embedded into the groove, and the outer side surface of the wind deflector is level with the inner wall surface.

In this embodiment, when the wind deflector rotates inwards to the maximum extent, the wind deflector is just completely embedded in the groove, that is, the wind deflector can be hidden in the groove after the return air inlet 3 is completely opened, and when the infant incubator is in a heating state, the heat transfer is not affected after the wind deflector is hidden.

Optionally, the air return opening 3 is provided with a limiting part, and when the wind deflector rotates to the outside of the internal circulation runner to prop against the limiting part, the wind deflector completely covers the air return opening 3.

In this embodiment, when the wind deflector rotates outwards, the position of the limiting portion determines the maximum limit of the outwards rotation, and the shape and position of the limiting portion are not limited specifically, so that the return air inlet 3 can be completely closed only when the wind deflector rotates outwards to contact with the limiting portion.

Alternatively, the total angle of rotation of the inside and outside of the wind deflector does not exceed 90 °, i.e. the wind deflector rotates only to a small extent, ensuring the opening and closing speed.

Optionally, the shape of the return air inlet 3 and the shape of the wind shield are rectangular, the shapes of the return air inlet and the wind shield are matched, and the return air inlet and the wind shield are conventional, so that the return air inlet and the wind shield are convenient to manufacture and install.

In addition, the utility model also provides an infant incubator, which comprises the internal circulation return air structure in the embodiment.

Because the technical improvement and the obtained technical effect of the infant incubator are the same as those of the provided internal circulation return air structure, the technical effect of the infant incubator is not repeated.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. The utility model provides an internal circulation return air structure of infant incubator, its characterized in that is used for having the infant incubator of air internal circulation runner, including the structure of keeping out the wind, keep out the wind the structure including movable part (1) and be used for the drive movable part (1) motion drive division (2), movable part (1) are located return air inlet (3) department of internal circulation runner, return air inlet (3) intercommunication the constant temperature region in the infant incubator, movable part (1) are in the infant incubator keeps away when carrying out the heating work return air inlet (3), movable part (1) are in the infant incubator stops when the heating work and covers return air inlet (3).

2. The internal circulation return air structure of an infant incubator according to claim 1, wherein the movable portion (1) is a wind deflector rotatably connected to the return air inlet (3), and the wind deflector is rotated to cover or avoid the return air inlet (3).

3. The internal circulation return air structure of an infant incubator according to claim 2, wherein the wind deflector is rotatably connected to an inner wall of the internal circulation flow channel where the return air inlet (3) is located, and when the infant incubator performs a heating operation, the wind deflector rotates toward the inside of the internal circulation flow channel to avoid exiting the return air inlet (3).

4. An internal circulation return air structure of an infant incubator according to claim 3, wherein both ends of the wind deflector are connected to an inner wall of the internal circulation flow passage through a distribution shaft.

5. The internal circulation return air structure of an infant incubator according to claim 2, wherein a traction portion (4) is provided on the wind deflector, the driving portion (2) includes a driving source (21) and a traction steel wire (22), and the driving source (21) is connected to the traction portion (4) through the traction steel wire (22).

6. The internal circulation return air structure of an infant incubator according to claim 5, wherein the traction portion (4) and the driving portion (2) are both located outside the internal circulation flow channel.

7. An internal circulation return air structure of an infant incubator according to claim 3, wherein the internal circulation flow passage is provided with an upwardly inclined inner wall surface at a position close to the return air inlet (3), the inner wall surface is provided with a groove, when the wind deflector rotates to the maximum inside the internal circulation flow passage, the wind deflector is embedded into the groove, and the outer side surface of the wind deflector is level with the inner wall surface.

8. The internal circulation return air structure of an infant incubator according to claim 7, wherein a limit part is provided at the return air inlet (3), and the wind shield completely covers the return air inlet (3) when the wind shield rotates to the outside of the internal circulation flow channel to be abutted against the limit part.

9. An internal circulation return air structure for an infant incubator according to claim 8, wherein the total rotatable angle between the inside and outside of the wind deflector is no more than 90 °.

10. An infant incubator comprising an internal circulation return air structure as claimed in any one of claims 1 to 9.