Air duct air outlet structure and environmental test box

Abstract

The utility model provides an air duct air-out structure and an environmental test chamber, the air duct air-out structure comprises a plurality of air-out parts, the plurality of air-out parts are arranged in sequence from top to bottom, each air-out part comprises an outer panel, an inner panel and an outer air outlet, the inner panel is connected to the surface of the outer panel in a sliding mode, an inner air outlet corresponding to the outer air outlet is formed in the inner panel, so that the outer air outlet and the inner air outlet can coincide to form an air outlet gap, and the air outlet gap is adjusted according to the distance between an air outlet part and an upper air flue; the air quantity passing through each air outlet part in unit time is consistent, and the air speed is more uniform; the environment test box comprises an air duct air outlet structure; an outer box; the inner box is arranged in the outer box, and an air duct is formed between the inner box and the outer box; and the fan is used for driving airflow to circulate between the inner box and the air duct.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental test chamber equipment field especially a wind channel air outlet structure and environmental test chamber. BACKGROUND

[0002] Environmental test chamber generally takes in air on the air outlet structure of one side of inner box, and then exhausts from another side of inner box, lets airflow circulate between inner box and wind channel. When air current from upper wind channel turns down and takes in air from air outlet structure, the wind speed of the air outlet structure that is closer to upper wind channel is faster, which leads to that the air volume of upper air outlet is large and the air volume of lower air outlet is small in unit time, and the air volume into inner box is uneven. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model provides a wind channel air outlet structure and environmental test chamber, the upper side of the air outlet of the air outlet structure is small and the lower side is large, so that the air volume into the inner box is more uniform. The technical scheme adopted by the utility model is:

[0004] The utility model provides a kind of wind channel air outlet structure, including several air outlet parts, several air outlet parts are sequentially arranged from top to bottom, and the air outlet part includes:

[0005] Outer panel, outer air outlet is provided on the outer panel;

[0006] Inner panel is slidably connected to the surface of the outer panel, and inner air outlet corresponding to outer air outlet is provided on the inner panel, so that outer air outlet and inner air outlet can be overlapped to form air outlet gap;

[0007] Wherein, in adjacent two air outlet parts, the air outlet gap in the upper side air outlet part is less than the air outlet gap in the lower side air outlet part.

[0008] Further, positioning hole is provided on the outer panel, waist hole is provided vertically on the inner panel, screw is slidably arranged in the waist hole, and the screw is connected to the positioning hole by passing through the waist hole.

[0009] Further, the upper and lower ends of the outer panel are respectively bent to be provided with first blocking strip, and the upper and lower ends of the inner panel are respectively bent to be provided with second blocking strip, and the second blocking strip is arranged on the same side and parallel to the first blocking strip.

[0010] Further, the edge of the outer panel is provided with clamping piece.

[0011] Further, the clamping piece includes gasket and clamping block, the gasket is fixed on the surface of the outer panel and located on one side of the inner panel, and the clamping block is fixed on the gasket and forms positioning gap with the outer panel.

[0012] Further, the card block is bent away from the inner panel end to form a guide piece away from the positioning gap.

[0013] Further, the outer panel is bent away from the card end to form a third blocking bar towards the inner panel.

[0014] Further, the third blocking bar is provided with an opening.

[0015] The application also proposes an environmental test chamber, comprising the air duct outlet structure, further comprising:

[0016] An outer chamber;

[0017] An inner chamber placed inside the outer chamber to form an air duct with the outer chamber;

[0018] A fan for driving air circulation between the inner chamber and the air duct;

[0019] Wherein, the two opposite sides of the inner chamber are respectively provided with air inlets and air outlets, and the air outlet is provided at the air inlet.

[0020] The advantages of the utility model are:

[0021] The relative movement between the inner panel and the outer panel can change the size of the overlapping part of the inner air outlet and the outer air outlet, i.e. the size of the air outlet gap, so that the air outlet gap is adjusted according to the distance between the air outlet and the upper air duct, the farther the distance from the upper air duct, the larger the air outlet gap, the wind volume passing through each air outlet per unit time is consistent, and the wind speed is more uniform, which is beneficial to improve the stability of the temperature and humidity environment inside the test chamber.

[0022] The waist hole and the screw cooperate to facilitate the movement and fixation of the inner panel in the vertical direction, and facilitate the adjustment of the size of the air outlet gap.

[0023] The cooperation of the first blocking bar and the second blocking bar limits the displacement stroke of the inner panel, and the outer panel between adjacent air outlets can also be positioned by the first blocking bar.

[0024] The card facilitates the clamping of the outer panel on the inner chamber side wall, and facilitates the installation of the outer panel.

[0025] The third blocking bar facilitates the positioning of the outer panel on the inner chamber side wall, and increases the positioning surface between the outer panel and the inner chamber. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is a structural composition diagram of the air outlet.

[0027] Figure 2 It is a plan view of the outer panel.

[0028] Figure 3 It is a plan view of the inner panel.

[0029] Figure 4 For adjusting the air volume state schematic diagram.

[0030] Figure 5 For the plan view of the environmental test chamber.

[0031] In the figure: 10-out air part, 110-outer panel, 111-outer air outlet, 112-positioning hole, 113-first blocking strip, 114-gasket, 115-clamping block, 116-guiding piece, 117-third blocking strip, 118-aperture, 120-inner panel, 121-inner air outlet, 122-waist hole, 123-screw, 124-second blocking strip, 20-outer box, 30-inner box, 40-air duct, 50-fan. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0033] Please refer to the accompanying Figure 1 -attached Figure 4 , the application first provides an air duct air outlet structure, including several air outlet parts 10, several air outlet parts 10 are arranged in order from top to bottom, the air outlet part 10 includes: outer panel 110, the outer panel 110 is provided with outer air outlet 111;Inner panel 120 is slidably connected to the surface of the outer panel 110, the inner panel 120 is provided with inner air outlet 121 corresponding to the outer air outlet 111, so that the outer air outlet 111 and the inner air outlet 121 can coincide to form an air outlet gap;Wherein, in the adjacent two air outlet parts 10, the air outlet gap in the upper air outlet part 10 is less than the air outlet gap in the lower air outlet part 10.

[0034] In a specific example, as shown in the accompanying Figure 1 In any air outlet part 10, the outer panel 110 is evenly distributed with several strip-shaped outer air outlets 111 in n rows and m columns, and the inner panel 120 is evenly distributed with several strip-shaped inner air outlets 121 in n rows and m columns, wherein n≥2, m≥2;The shape and size of the outer air outlet 111 and the inner air outlet 121 are completely same and arranged horizontally;With the vertical movement of the inner panel 120, the outer air outlet 111 and the inner air outlet 121 partially overlap and block the airflow, and the airflow can only pass through the remaining air outlet gap, so the air outlet part 10 is closer to the air outlet gap of the upper air duct, and the air outlet gap is smaller, and the air volume of the whole air outlet structure side is more uniform.

[0035] Please refer to the accompanying Figure 2 , attached Figure 3 and attached Figure 4The sliding connection structure between the outer panel 110 and the inner panel 120 is that a positioning hole 112 is arranged on the outer panel 110, a waist hole 122 is arranged vertically on the inner panel 120, a screw 123 is arranged in the waist hole 122, and the screw 123 passes through the waist hole 122 and connects the positioning hole 112.

[0036] In an embodiment, as shown in the accompanying drawings, the sliding connection structure is arranged in at least two rows, corresponding to the inner air outlets 121 in the first row and the inner air outlets 121 in the last row, and the number of the sliding connection structure in each row is several, and the outer air outlets 111 corresponding to the row are arranged alternately in the transverse direction. Figure 4

[0037] For example, in a specific embodiment, the inner air outlets 121 are arranged in five rows and four columns, and the sliding connection structure is arranged in two rows and four columns. In use, according to the distance between the air outlet part 10 and the air duct above, the relative position between the inner panel 120 and the outer panel 110 is adjusted, the screw 123 is slid along the waist hole 122, the screw 123 is tightened in the positioning hole 112 after a suitable width of air outlet gap is reserved, the inner panel 120 is tightly fixed to the side of the outer panel 110, eight screws 123 are tightened in turn according to the row, and the whole inner panel 120 is fixed.

[0038] Please refer to the accompanying drawings Figure 1 The upper and lower ends of the outer panel 110 are respectively provided with first blocking strips 113, the upper and lower ends of the inner panel 120 are respectively provided with second blocking strips 124, and the second blocking strips 124 are arranged on the same side and parallel to the first blocking strips 113.

[0039] In an embodiment, the first blocking strips 113 and the second blocking strips 124 are both bent towards the inside of the inner box, the two second blocking strips 124 move close to or away from the two first blocking strips 113 with the up and down movement of the inner panel 120, and the maximum displacement of the inner panel 120 is not only limited by the cooperation between the screw 123 and the waist hole 122, but also limited by the first blocking strip 113, so that the inner panel 120 cannot move beyond the stroke; in the initial state, the relative position between the inner air outlet 121 and the outer air outlet 111 can also be positioned by the second blocking strip 124 abutting against the first blocking strip 113.

[0040] In a specific embodiment, as shown in the accompanying drawings Figure 1 ​As shown, one outer panel 110 corresponds to two inner panels 120, the second blocking strip 124 above the upper inner panel 120 corresponds to the first blocking strip 113 on the upper side of the outer panel 110, the second blocking strips 124 between the adjacent two inner panels 120 are parallel, the second blocking strip 124 below the lower inner panel 120 corresponds to the first blocking strip 113 on the lower side of the outer panel 110; in the process of adjusting the inner panel 120, the second blocking strip 124 goes up or down, according to whether the second blocking strip 124 fits the first blocking strip 113 or the adjacent second blocking strip 124, whether the inner panel 120 has been moved to the limit position is judged.

[0041] In the present application, in order to facilitate the clamping positioning between the outer panel 110 and the inner box, the edge of the outer panel 110 is provided with a clamping piece.

[0042] In an embodiment, as shown in the accompanying drawings Figure 1 As shown, the clamping piece includes a gasket 114 and a clamping block 115, the gasket 114 is fixed on the surface of the outer panel 110 and located on one side of the inner panel 120, and the clamping block 115 is fixed on the gasket 114 and forms a positioning gap with the outer panel 110.

[0043] In a specific embodiment, the clamping piece is located at the edge of the outer panel 110 and the left side of the inner panel 120, and two clamping pieces are arranged on each outer panel 110; by inserting the clamping block 115 into the groove (not shown in the figure) on the side wall of the inner box, the side wall of the inner box is clamped between the clamping block 115 and the outer panel 110, and the one-side positioning of the outer panel 110 is completed.

[0044] Further, in order to facilitate the installation guide of the clamping piece during installation, the end of the clamping block 115 away from the inner panel 120 is bent to form a guide piece 116 away from the positioning gap. The guide piece 116 makes the positioning gap from the edge of the outer panel 110 inwardly first wide and then narrow, the operation tolerance of the clamping piece is large, and it is easier to insert into the groove of the inner box side wall.

[0045] In the present application, please refer to the accompanying drawings Figure 1 As shown, the end of the outer panel 110 away from the clamping piece is bent to form a third blocking strip 117 towards the inner panel 120.

[0046] In an embodiment, the third blocking strip 117 is arranged vertically and is located on the right side of the inner panel 120; the third blocking strip 117 contacts the corner of the inner box, further improving the positioning effect of the outer panel 110, and does not occupy the space of the test box and does not interfere with the arrangement of other components.

[0047] Further, the third blocking strip 117 is provided with an opening 118; by installing a fixing piece such as a bolt in the opening, the third blocking strip 117 is tightly fixed inside the inner box, and the fixing of the outer panel 110 inside the inner box is realized.

[0048] Secondly, please refer to the attached Figure 5 The application also provides an environmental test chamber, comprising an air duct air outlet structure, further comprising: an outer chamber 20; an inner chamber 30, which is arranged inside the outer chamber 20 and forms an air duct 40 with the outer chamber 20; a fan 50, which is used to drive air circulation between the inner chamber 30 and the air duct 40; wherein two opposite sides of the inner chamber 30 are respectively provided with an air inlet and an air outlet, and the air outlet part 10 is arranged at the air inlet; specifically, the air is circulated inside the test chamber by using the fan 50, and the air duct air outlet structure is used in cooperation with the above-mentioned air duct air outlet structure, so that the air flow entering from the left side of the inner chamber 30 is more uniform, which is beneficial to improve the stability of the air temperature and humidity inside the test chamber.

[0049] Finally, it should be explained that the above specific embodiments are only used to illustrate the technical solutions of the utility model and are not limited, although the utility model is described in detail with reference to examples, those skilled in the art should understand that the technical solutions of the utility model can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the utility model, which should be covered in the scope of the claims of the utility model.

Claims

1. An air outlet structure of an air duct, comprising a plurality of air outlet portions (10), the plurality of air outlet portions (10) being arranged in sequence from top to bottom, characterized in that, The air outlet part (10) comprises: an outer panel (110) provided with an outer air outlet (111); an inner panel (120) slidingly connected to the surface of the outer panel (110), the inner panel (120) being provided with an inner air outlet (121) corresponding to the outer air outlet (111) so that the outer air outlet (111) and the inner air outlet (121) can coincide to form an air outlet gap; wherein the air outlet gap in the upper air outlet part (10) is smaller than the air outlet gap in the lower air outlet part (10) in adjacent two air outlet parts (10).

2. The air duct air outlet structure of claim 1, wherein: The outer panel (110) is provided with a positioning hole (112), and the inner panel (120) is provided with a waist hole (122) vertically, the waist hole (122) being slidingly provided with a screw (123), and the screw (123) passes through the waist hole (122) and is connected to the positioning hole (112).

3. The air duct air outlet structure of claim 1, wherein: The upper and lower ends of the outer panel (110) are respectively provided with first blocking strips (113), and the upper and lower ends of the inner panel (120) are respectively provided with second blocking strips (124), the second blocking strips (124) being arranged on the same side and parallel to the first blocking strips (113).

4. The air duct air outlet structure of claim 1, wherein: The edge of the outer panel (110) is provided with a clamping piece.

5. The air duct air outlet structure according to claim 4, characterized in that: The clamping piece comprises a gasket (114) and a clamping block (115), the gasket (114) being fixed to the surface of the outer panel (110) and located on one side of the inner panel (120), and the clamping block (115) being fixed to the gasket (114) and forming a positioning gap with the outer panel (110).

6. The air duct air outlet structure of claim 5, wherein: The end of the clamping block (115) away from the inner panel (120) is bent to form a guide piece (116) away from the positioning gap.

7. The air duct air outlet structure of claim 4, wherein: The end of the outer panel (110) away from the clamping piece is bent towards the inner panel (120) to form a third blocking strip (117).

8. The air duct air outlet structure of claim 7, wherein: The third blocking strip (117) is provided with an opening (118).

9. An environmental test chamber characterized by, The air outlet structure of the air duct comprises the air outlet structure of any one of claims 1-8, further comprising: an outer box (20); an inner box (30) arranged inside the outer box (20) and forming an air duct (40) with the outer box (20); a fan (50) for driving air circulation between the inner box (30) and the air duct (40); wherein two opposite sides of the inner box (30) are respectively provided with an air inlet and an air outlet, and the air outlet part (10) is arranged at the air inlet.

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