Humidification assembly and environmental test box

Abstract

The utility model relates to the technical field of environmental tests, and discloses a humidification assembly and an environmental test box. The humidifying assembly comprises a connecting pipe, a humidifying spray pipe and a sealing cover. An inlet of the connecting pipe is used for being communicated with the humidifier. The two ends of the humidifying spray pipe are open, an opening in one end of the humidifying spray pipe communicates with an outlet of the connecting pipe, and steam spray holes are formed in the side wall of the humidifying spray pipe. And the sealing cover seals the opening at the other end of the humidifying spray pipe. According to the humidifying assembly, the sealing cover is arranged at the opening end of the humidifying spray pipe and completely blocks the opening end of the side, away from the connecting pipe, of the humidifying spray pipe, so that the effect of blocking condensate water in the humidifying spray pipe is achieved, and the situation that the condensate water drops to a heater located below the humidifying spray pipe to cause short circuit is avoided; therefore, the use safety of the whole environment test box is improved; the humidification assembly is simple in structure and low in manufacturing cost, condensate water in the humidification spraying pipe can be blocked without occupying extra space, and improvement and machining can be conveniently conducted on an original humidification spraying pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental testing, in particular to a humidifying component and an environmental test chamber. Background Art

[0002] An environmental test chamber is a test device that uses scientific and technological means to simulate temperature, humidity, air pressure, and light intensity, and is used to evaluate the performance of a sample to be tested in these simulated environments, so as to ensure that the products leaving the factory meet the corresponding national standards or industry standards.

[0003] An environmental test chamber generally includes a test chamber body, a temperature and humidity adjustment system, and a blower. The inner cavity of the test chamber body is partitioned to form a connected test chamber and an air-conditioning chamber. The test chamber is used to carry the sample to be tested. The temperature and humidity adjustment system is arranged in the air-conditioning chamber. The temperature and humidity adjustment system includes a heater, an evaporator, and a humidifying component. The blower is used to send the conditioned air generated by the temperature and humidity adjustment system from the ventilation duct of the air-conditioning chamber to the test chamber. In the related art, the humidifying component is installed above the heater, and the evaporator is installed below the heater. The heater, the evaporator, and the humidifying component work together to provide conditioned air with a preset temperature and / or a preset humidity for the test chamber to ensure the accuracy of the test results. However, during use, especially when testing a sample to be tested with a large heating power and a large humidification requirement, steam water droplets may drip from the end opening of the humidifying component, and the steam water droplets dripping onto the heater below may cause a short circuit and result in a safety accident.

[0004] Therefore, it is urgent to propose a humidifying component to solve the above problems. Summary of the Utility Model

[0005] The purpose of the utility model is to solve or at least alleviate part or all of the above problems. To this end, the utility model provides a humidifying component and an environmental test chamber.

[0006] With the above concept, the technical solution adopted by the utility model is as follows:

[0007] A humidifying component includes:

[0008] A connecting pipe, the inlet of the connecting pipe is used to communicate with a humidifier;

[0009] A humidifying spray pipe, both ends of the humidifying spray pipe are open, and one end opening of the humidifying spray pipe is communicated with the outlet of the connecting pipe. Steam holes are arranged on the side wall of the humidifying spray pipe;

[0010] A cover, which plugs the other end opening of the humidifying spray pipe.

[0011] As a preferred solution of the humidifying component provided by the present utility model, the humidifying spray pipe gradually slopes upward in a direction away from the connecting pipe.

[0012] As a preferred solution of the humidifying component provided by the present utility model, the included angle α between the length direction of the humidifying spray pipe and the horizontal direction is 2° to 3°.

[0013] As a preferred solution of the humidifying component provided by the present utility model, the number of the steam spray holes is multiple, and the multiple steam spray holes are arranged at intervals along the length direction of the humidifying spray pipe.

[0014] As a preferred solution of the humidifying component provided by the present utility model, the distance between two adjacent steam spray holes on the humidifying spray pipe gradually decreases from both ends to the middle; and / or

[0015] The aperture diameter of the steam spray holes on the humidifying spray pipe gradually increases from both ends to the middle.

[0016] As a preferred solution of the humidifying component provided by the present utility model, the steam spray holes are arranged above the axial section of the humidifying spray pipe parallel to the horizontal plane.

[0017] As a preferred solution of the humidifying component provided by the present utility model, the number of the humidifying spray pipes is two, and the humidifying component further includes a tee pipe. The inlet of the tee pipe is communicated with the outlet of the connecting pipe, and the two outlets of the tee pipe are respectively communicated with the two humidifying spray pipes.

[0018] As a preferred solution of the humidifying component provided by the present utility model, the inlet end of the tee pipe gradually slopes downward in a direction close to the connecting pipe.

[0019] As a preferred solution of the humidifying component provided by the present utility model, the included angle θ between the extending direction of the inlet end of the tee pipe and the horizontal direction is 20° to 25°.

[0020] The present utility model further provides an environmental test chamber, including:

[0021] A test chamber body, in which an inner cavity is partitioned to form a connected test chamber and an air-conditioning chamber. The test chamber is used for carrying a sample to be tested;

[0022] A temperature and humidity adjustment system is arranged in the air-conditioning chamber. The temperature and humidity adjustment system includes a heater, an evaporator, a humidifier and the humidifying component as described above. The evaporator is located below the heater, and the evaporator is configured to cool the gas in the air-conditioning chamber. The humidifying component is located above the heater, and the connecting pipe of the humidifying component is connected to the humidifier to be used for spraying moisture into the air-conditioning chamber;

[0023] A blower is used to send the conditioned air generated by the temperature and humidity conditioning system from the air conditioning chamber to the test chamber.

[0024] As a preferred embodiment of the environmental test chamber provided by the present invention, a plurality of steam holes are arranged at intervals along the length direction of the humidifying nozzle, and the distance between the two outermost steam holes is less than or equal to the length of the evaporator.

[0025] As a preferred embodiment of the environmental test chamber provided by the present invention, the humidifying component is installed in the air conditioning chamber through a fixing member, and a plurality of arc-shaped adjusting holes are arranged at intervals along the circumferential direction of the fixing member.

[0026] The beneficial effects of the present invention are as follows:

[0027] The present invention provides a humidifying component. By connecting the inlet of the connecting pipe to the outlet of the humidifier, the moisture output by the humidifier can enter the humidifying nozzle through the connecting pipe and be ejected from the steam holes to humidify the gas in the air conditioning chamber. During the process of the humidifying nozzle ejecting moisture, the moisture will condense to form condensed water at the open end of the humidifying nozzle on the side away from the connecting pipe. By providing a cover at the open end of the humidifying nozzle and completely blocking the open end of the humidifying nozzle on the side away from the connecting pipe, the condensed water can be blocked inside the humidifying nozzle, preventing the condensed water from dripping onto the heater located below the humidifying nozzle and causing a short circuit, thereby improving the safety of the entire environmental test chamber during use. In addition, the structure of the humidifying component is simple, the manufacturing cost is low, and it is not necessary to occupy additional space to block the condensed water in the humidifying nozzle, and it is also convenient to improve and process on the original humidifying nozzle.

[0028] The present invention also provides an environmental test chamber. By applying the above-mentioned humidifying component, the phenomenon that the equipment in the test chamber is short-circuited due to the dripping condensed water can be avoided, thereby ensuring its safety during use. Description of the Drawings

[0029] Figure 1 is a partial structural schematic diagram of the environmental test chamber provided by an embodiment of the present invention;

[0030] Figure 2 is a structural schematic diagram of the humidifying component provided by an embodiment of the present invention from one perspective;

[0031] Figure 3 is a structural schematic diagram of the humidifying component provided by an embodiment of the present invention from another perspective;

[0032] Figure 4 is a structural schematic diagram of the fixing member provided by an embodiment of the present invention.

[0033] In the figure:

[0034] 100. Test box body; 101. Air-conditioning chamber; 200. Temperature and humidity adjustment system; 300. Air supply fan;

[0035] 1. Humidifying component; 11. Connecting pipe; 12. Humidifying spray pipe; 121. Steam spraying hole; 13. Sealing cover; 14. Three-way pipe;

[0036] 2. Heater;

[0037] 3. Evaporator;

[0038] 4. Fixing part; 41. Arc-shaped adjustment hole. Detailed implementation manners

[0039] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. In addition, it should be noted that for the sake of description, only the parts related to the present utility model rather than all the structures are shown in the accompanying drawings.

[0040] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to" and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0041] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "above the top of" and "on the top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal height than the second feature. The first feature being "below", "below the bottom of" and "under the bottom of" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal height than the second feature.

[0042] In the description of this embodiment, the orientation or positional relationships such as "upper", "lower", "left", "right", etc. are based on the orientation or positional relationships shown in the drawings. These are only for the convenience of description and simplifying operations, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0043] Figure 1 The partial structural schematic diagram of the environmental test chamber provided in this embodiment is shown. As Figure 1 shown, this embodiment provides an environmental test chamber, which includes a test chamber body 100, a temperature and humidity adjustment system 200, and a blower 300. In the inner cavity of the test chamber body 100, a connected test chamber (not shown in the figure) and an air-conditioning chamber 101 are separated. The test chamber is used to carry the sample to be tested. The temperature and humidity adjustment system 200 is arranged in the air-conditioning chamber 101. The temperature and humidity adjustment system 200 is used to adjust the temperature and / or humidity of the air in the air-conditioning chamber 101. The blower 300 is used to send the conditioned air generated by the temperature and humidity adjustment system 200 from the air-conditioning chamber 101 to the test chamber, so as to maintain an environment with a preset temperature and / or a preset humidity in the test chamber, thereby ensuring the accuracy of the test results of the sample to be tested in the test chamber.

[0044] In this embodiment, the number of blowers 300 is two. The two blowers 300 are arranged at intervals along the width direction of the air-conditioning chamber 101 to improve the efficiency of blowing air into the test chamber. Of course, in other embodiments, the number of blowers 300 can also be one, three, four, five, or even more. Designers can adjust the number of blowers 300 according to actual test requirements.

[0045] The temperature and humidity adjustment system 200 includes a humidifying component 1, a heater 2, an evaporator 3, and a humidifier (not shown in the figure). The heater 2 is configured to heat the gas in the air-conditioning chamber 101. The evaporator 3 is located below the heater 2. The evaporator 3 is configured to cool the gas in the air-conditioning chamber 101. The humidifying component 1 is located above the heater 2 and is connected to the humidifier to be used for spraying moisture into the air-conditioning chamber 101 to keep the gas in the air-conditioning chamber 101 with a suitable humidity. It should be noted that the blower 300, the heater 2, and the evaporator 3 are all relatively mature technologies in the prior art. The specific structures and working principles of the blower 300, the heater 2, and the evaporator 3 will not be elaborated in this embodiment.

[0046] In the related art, since the humidifying component is arranged above the heater, during use, especially when conducting tests on a test sample with a relatively high heating power and a relatively large required humidification amount, steam water droplets may drip from the end opening of the humidifying component. The steam water droplets dripping onto the heater below may cause a short circuit and result in a safety accident. To solve the above problems, the present embodiment further provides a humidifying component 1, which can prevent steam water droplets from dripping onto the heater 2 during use, thereby ensuring the safety of the test process.

[0047] Figure 2 Fig. 4 shows a schematic structural view of the humidifying component 1 provided in the present embodiment from one perspective. Figure 3 Fig. 5 shows a schematic structural view of the humidifying component 1 provided in the present embodiment from another perspective. As Figure 2 - Figure 3 shown, the humidifying component 1 provided in the present embodiment includes a connecting pipe 11, a humidifying spray pipe 12, and a cover 13. The inlet of the connecting pipe 11 is used to communicate with a humidifier; both ends of the humidifying spray pipe 12 are open, and one end opening of the humidifying spray pipe 12 is connected to the outlet of the connecting pipe 11. Steam holes 121 are provided on the side wall of the humidifying spray pipe 12; the cover 13 plugs the other end opening of the humidifying spray pipe 12.

[0048] For the humidifying component 1 provided in the present embodiment, by connecting the inlet of the connecting pipe 11 to the outlet of the humidifier, the moisture output by the humidifier can enter the humidifying spray pipe 12 through the connecting pipe 11 and be ejected from the steam holes 121 to humidify the gas in the air-conditioning chamber 101; during the process of the humidifying spray pipe 12 ejecting moisture, the moisture will condense into condensed water at the open end portion on the side of the humidifying spray pipe 12 away from the connecting pipe 11. By providing the cover 13 at the open end of the humidifying spray pipe 12, and the cover 13 completely plugs the open end on the side of the humidifying spray pipe 12 away from the connecting pipe 11, the effect of blocking the condensed water inside the humidifying spray pipe 12 is achieved, preventing the condensed water from dripping onto the heater 2 below the humidifying spray pipe 12 and causing a short circuit, thereby improving the safety of the entire environmental test chamber during use; in addition, the structure of the humidifying component 1 is simple, the manufacturing cost is low, it is not necessary to occupy extra space to realize the blocking of the condensed water in the humidifying spray pipe 12, and it is also convenient to carry out improvement processing on the original humidifying spray pipe 12.

[0049] To improve the humidification effect, the number of steam holes 121 is multiple, and the multiple steam holes 121 are arranged at intervals along the length direction of the humidifying nozzle 12. This design can, on the one hand, improve the spraying efficiency of the moisture, and on the other hand, make the moisture sprayed from the humidifying nozzle 12 more evenly distributed, thus facilitating the improvement of the humidification effect in the air-conditioning chamber 101. Optionally, the steam holes 121 are arranged above the axial section of the humidifying nozzle 12 parallel to the horizontal plane. That is to say, the moisture sprayed from the steam holes 121 is upward or obliquely upward. This design can, on the one hand, facilitate the extraction by the blower 300 and improve the humidification efficiency, and on the other hand, prevent it from spraying downward onto the heater 2 and affecting the normal operation of the heater 2. Of course, in other embodiments, the orientation of the steam holes 121 can also be adjusted according to the actual situation.

[0050] In this embodiment, the aperture of the steam holes 121 is 3 mm to 5 mm, and the multiple steam holes 121 are evenly arranged at intervals along the length direction of the humidifying nozzle 12. Exemplarily, the aperture of the steam holes 121 is 3.2 mm, 3.5 mm, 4 mm, 4.2 mm, 4.5 mm, 4.8 mm, etc. This embodiment does not limit the aperture of the steam holes 121 and the distance between two adjacent steam holes 121. Designers can adjust the aperture of the steam holes 121 and the distance between two adjacent steam holes 121 according to actual requirements.

[0051] It should be explained that due to the cover 13 provided at the opening at the end of the humidifying nozzle 12 far from the connecting pipe 11, the moisture entering the humidifying nozzle 12 from the connecting pipe 11 will flow back under the action of the cover 13. Therefore, compared with the middle position of the humidifying nozzle 12, the moisture at the two sides of the humidifying nozzle 12 is relatively sufficient. To ensure that a uniform amount of moisture can be sprayed along the length direction of the humidifying nozzle 12, the distance between two adjacent steam holes 12) on the humidifying nozzle 12 can be set to gradually decrease from both ends to the middle; and / or the aperture of the steam holes 121 on the humidifying nozzle 12 can be set to gradually increase from both ends to the middle, so that the amount of moisture sprayed along the length direction of the humidifying nozzle 12 is relatively uniform, thereby improving the humidification effect.

[0052] Since the opening at the end of the humidifying nozzle 12 far from the connecting pipe 11 is provided with a cover 13 that completely seals the opening, in order to avoid the accumulation of condensed water in the humidifying nozzle 12, the humidifying nozzle 12 is gradually inclined upward along the direction away from the connecting pipe 11, so that the condensed water can flow back along the humidifying nozzle 12 into the connecting pipe 11. Optionally, as Figure 3 shown, the angle α between the length direction of the humidifying nozzle 12 and the horizontal direction is 2° to 3°, and designers can adjust the angle between the length direction of the humidifying nozzle 12 and the horizontal direction according to specific test conditions.

[0053] In this embodiment, the specific model of the humidifying component 1 is not limited. It can be a linear humidifying component or a T-shaped humidifying component.

[0054] When the humidifying component 1 is a linear humidifying component, the connecting pipe 11 is located on one side of the air-conditioning chamber 101 in the width direction, and the humidifying spray pipe 12 extends along the width direction of the air-conditioning chamber 101 and is located above the heater 2.

[0055] When the humidifying component 1 is a T-shaped humidifying component, the number of the humidifying spray pipes 12 is two. The humidifying component 1 further includes a tee pipe 14. The inlet of the tee pipe 14 is communicated with the outlet of the connecting pipe 11, and the two outlets of the tee pipe 14 are respectively communicated with the two humidifying spray pipes 12. The tee pipe 14 is in a T shape, and both of the two humidifying spray pipes 12 are lifted upward relative to the outlet of the tee pipe 14, so that the condensed water can flow back to the connecting pipe 11 along the humidifying spray pipes 12.

[0056] As Figure 2 shown, the inlet end of the tee pipe 14 gradually inclines downward along the direction close to the connecting pipe 11 to receive the condensed water flowing back from the two humidifying spray pipes 12. Optionally, the included angle θ between the extending direction of the inlet end of the tee pipe 14 and the horizontal direction is 20° to 25°. Exemplarily, the included angle θ between the extending direction of the inlet end of the tee pipe 14 and the horizontal direction is 21°, 21.5°, 22°, 22.5°, 23°, 23.5°, 24°, 24.5°, etc.

[0057] Continuing as Figure 1 - Figure 2 shown, in this embodiment, the distance between the two outermost steam holes 121 on the humidifying spray pipe 12 is equal to the length of the evaporator 3, so as to ensure that the moisture sprayed from different positions of the humidifying spray pipe 12 can be uniformly heated, and to avoid too much difference in temperature and humidity at different positions in the test chamber after being conveyed to the test chamber by the blower 300, resulting in non-compliance with the uniformity requirement and affecting the test results. Of course, in other embodiments, the distance between the two outermost steam holes 121 on the humidifying spray pipe 12 can also be set slightly smaller than the length of the evaporator 3, and the above effects can also be achieved.

[0058] Figure 4 shows a schematic structural diagram of the fixing member 4 provided in this embodiment. As Figure 4 and in combination with Figure 1 、 Figure 2As shown in the figure, to implement the installation of the humidification component 1, the temperature and humidity regulation system 200 further includes a fixing member 4. The humidification component 1 is installed in the air-conditioning chamber 101 through the fixing member 4. A plurality of arc-shaped adjustment holes 41 are arranged at intervals along the circumferential direction of the fixing member 4. The connecting member can pass through the arc-shaped adjustment holes 41 and be fixed to the chamber wall of the air-conditioning chamber 101. Through the setting of the arc-shaped adjustment holes 41, it is convenient to adjust the installation position of the humidification component 1, so as to ensure that the humidification nozzle 12 of the humidification component 1 is in a horizontal state as a whole. In this embodiment, the fixing member 4 is a flange. The flange is sleeved on the outer periphery of the connecting pipe 11. The flange can be fixed to the chamber wall of the air-conditioning chamber 101 by screws. The flange has a relatively high structural strength, so that the installation stability of the humidification component 1 is better, and the reliability during its use can be improved.

[0059] Continue as Figure 1 - Figure 2 As shown in the figure, when installing the humidification component 1 in the air-conditioning chamber 101, it should be installed as close as possible to the middle position of the air-conditioning chamber 101 in the depth direction and as close as possible to the heater 2, so as to ensure that the moisture ejected from the humidification nozzle 12 can be fully heated. Optionally, the vertical distance between the humidification component 1 and the evaporator 3 is 50 mm to 100 mm. On the premise of ensuring the convenient installation of relevant components, it is ensured that the moisture ejected from the humidification nozzle 12 can be fully cooled.

[0060] The above embodiments only illustrate the basic principles and characteristics of the present invention. The present invention is not limited by the above embodiments. Without departing from the spirit and scope of the present invention, there are various changes and modifications to the present invention, and these changes and modifications all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A humidifying component, characterized in that, Comprising: A connecting pipe (11), the inlet of the connecting pipe (11) being used to communicate with a humidifier; A humidifying spray pipe (12), both ends of the humidifying spray pipe (12) being open, and one open end of the humidifying spray pipe (12) being communicated with the outlet of the connecting pipe (11), and steam spraying holes (121) being arranged on the side wall of the humidifying spray pipe (12); A cover (13) plugging the other open end of the humidifying spray pipe (12).

2. The humidifying component according to claim 1, characterized in that, The humidifying spray pipe (12) gradually slopes upward along the direction away from the connecting pipe (11).

3. The humidifying component according to claim 2, characterized in that, The included angle α between the length direction of the humidifying spray pipe (12) and the horizontal direction is 2° to 3°.

4. The humidifying component according to claim 1, wherein The number of the steam spraying holes (121) is multiple, and the multiple steam spraying holes (121) are arranged at intervals along the length direction of the humidifying spray pipe (12).

5. The humidifying component according to claim 4, characterized in that, The distance between two adjacent steam spraying holes (121) on the humidifying spray pipe (12) gradually decreases from both ends to the middle; and / or The aperture of the steam spraying holes (121) on the humidifying spray pipe (12) gradually increases from both ends to the middle.

6. The humidifying component according to claim 1, characterized in that, The steam spraying holes (121) are arranged above the axial section parallel to the horizontal plane of the humidifying spray pipe (12).

7. The humidifying assembly according to any one of claims 1 to 6, characterized in that, The number of the humidifying spray pipes (12) is two, and the humidifying assembly further includes a tee pipe (14), the inlet of the tee pipe (14) being communicated with the outlet of the connecting pipe (11), and the two outlets of the tee pipe (14) being respectively communicated with the two humidifying spray pipes (12).

8. The humidifying component according to claim 7, characterized in that The inlet end of the tee pipe (14) gradually slopes downward along the direction close to the connecting pipe (11).

9. The humidifying component according to claim 8, characterized in that, The included angle θ between the extending direction of the inlet end of the tee pipe (14) and the horizontal direction is 20° to 25°.

10. An environmental test chamber, characterized in that, Comprising: A test box body (100), a test chamber and an air-conditioning chamber (101) which are communicated with each other being separated in its inner cavity, the test chamber being used for carrying a sample to be tested; A temperature and humidity adjustment system (200) arranged in the air-conditioning chamber (101), the temperature and humidity adjustment system (200) including a heater (2), an evaporator (3), a humidifier and the humidifying assembly according to any one of claims 1 to 9, the evaporator (3) being located below the heater (2), the evaporator (3) being configured to cool the gas in the air-conditioning chamber (101), the humidifying assembly being located above the heater (2), and the connecting pipe (11) of the humidifying assembly being connected to the humidifier for spraying moisture into the air-conditioning chamber (101); A blower (300) for sending the air-conditioning air adjusted and generated by the temperature and humidity adjustment system (200) from the air-conditioning chamber (101) to the test chamber.

11. The environmental test chamber according to claim 10, characterized in that, A plurality of steam spraying holes (121) arranged at intervals along the length direction are provided on the humidifying spray pipe (12), and the distance between the two outermost steam spraying holes (121) is less than or equal to the length of the evaporator (3).

12. The environmental test chamber according to claim 10, characterized in that, The humidifying component is installed in the air-conditioning chamber (101) through a fixing member (4), and a plurality of arc-shaped adjusting holes (41) are arranged on the fixing member (4) at intervals along its circumferential direction.

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