Dehumidification method, test equipment and test workshop
By using the first and second dehumidification devices in a multi-space environment, the problem that the prior art cannot meet multiple space humidity requirements at the same time is solved, and the fineness of the space humidity of the target object is achieved Control and relieve condensation and frosting in low temperature environments.
Patent Information
- Application Number
- CN202310997461.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-08-07
- Publication Date
- 2025-02-14
AI Technical Summary
In the presence of multiple spaces, existing dehumidification devices cannot meet the humidity requirements of different spaces at the same time, especially in low temperature environments, where dew condensation and frost are prone to occur.
By providing a dehumidification method, the humidity of the first space is adjusted by using the first dehumidification device, and the humidity of the second space is adjusted by using the second dehumidification device until the target humidity is reached. The dehumidification degree of the first dehumidification device is smaller than that of the second dehumidification device. The water molecules in the second dehumidification device evaporate into the first space, and the dehumidification process is suspended when the threshold value is reached, and restart when the humidity recovery is appropriate.
The humidity of different spaces is independently adjusted, which can reduce the humidity of the second space where the target object is located to a lower level, meet the humidity requirements of different spaces, and alleviate the problem of condensation and frosting caused by excessive humidity in low temperature environments.
Smart Images
Figure CN119425325A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of air dehumidification, and in particular to a dehumidification method, testing equipment and a testing workshop. Background Art
[0002] Dehumidification devices are widely used in situations where there are strict requirements on environmental humidity. Therefore, it is necessary to strictly control the performance of the dehumidification device to ensure its normal operation and thus ensure that the environmental humidity meets the standards.
[0003] In a single space, the dehumidification device can uniformly dehumidify the entire space. However, when there are multiple spaces, such as a space nested within another space, and different spaces have different requirements for humidity, the dehumidification device can only meet the humidity requirements of the external space and cannot meet the humidity requirements of another space. Summary of the invention
[0004] The present application provides a dehumidification method, testing equipment and a testing workshop.
[0005] A technical solution adopted in this application is to provide a dehumidification method, the method comprising:
[0006] adjusting the humidity in the first space according to a first dehumidification degree;
[0007] The humidity in the second space is adjusted to the target humidity according to the second dehumidification degree; wherein the second space is arranged in the first space, the first dehumidification degree is less than the second dehumidification degree, and the second space is used to accommodate the target object.
[0008] Wherein, adjusting the humidity in the first space according to the first dehumidification degree includes:
[0009] Using a first dehumidification device to adjust the humidity in the first space according to a first dehumidification degree;
[0010] Adjusting the humidity in the second space to the target humidity according to the second dehumidification degree includes:
[0011] Using a second dehumidification device to adjust the humidity in the second space to a target humidity according to a second dehumidification degree;
[0012] The dehumidification degree of the first dehumidification device is less than that of the second dehumidification device, and the second dehumidification device is arranged in the first space and interacts with the second space.
[0013] Wherein, adjusting the humidity in the second space to the target humidity according to the second dehumidification degree by using the second dehumidification device includes:
[0014] The first air in the second space is absorbed by the second dehumidification device, and the second air is injected into the second space until the humidity in the second space reaches the target humidity; wherein the humidity of the second air is lower than the humidity of the first air.
[0015] In the process of the second dehumidification device dehumidifying the second space, the water molecules in the second dehumidification device are evaporated into the first space.
[0016] Wherein, during the process of the second dehumidification device dehumidifying the second space, evaporating water molecules in the second dehumidification device into the first space includes:
[0017] During the process of the second dehumidification device dehumidifying the second space, in response to the water molecules exceeding a threshold value, suspending the air exchange between the second dehumidification device and the second space;
[0018] The water molecules in the second dehumidification device are evaporated into the first space.
[0019] After evaporating the water molecules in the second dehumidification device into the first space, the method includes:
[0020] The second dehumidification device is used again to exchange air with the second space.
[0021] The second dehumidification device contains a solid hygroscopic material, which is used to absorb water molecules in the air. The solid hygroscopic material includes any one or more of activated carbon, activated alumina, silica gel, carbon molecular sieve and zeolite molecular sieve.
[0022] Another technical solution adopted by the present application is to provide a testing device, the testing device comprising:
[0023] First Space;
[0024] A second space, the second space is arranged in the first space; the second space is used to accommodate the target object and the test component;
[0025] The test equipment is dehumidified according to the dehumidification method as described above, so that the humidity in the second space meets the test requirements of the test component on the target object at the target temperature.
[0026] Among them, the test requirement is that there is no frost at the target temperature.
[0027] Another technical solution adopted by the present application is to provide a test workshop, which includes:
[0028] First Space;
[0029] A second space, the second space is arranged in the first space; the second space is used to accommodate the target object and the test component;
[0030] The test equipment is dehumidified according to the dehumidification method as described above, so that the humidity in the second space meets the test requirements of the test component on the target object at the target temperature.
[0031] The beneficial effects of the present application are: adjusting the humidity in the first space according to the first dehumidification degree; adjusting the humidity in the second space containing the target object to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment. BRIEF DESCRIPTION OF THE DRAWINGS
[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0033] Figure 1 It is a flow chart of an embodiment of a dehumidification method provided by the present application;
[0034] Figure 2 is a flow chart of another embodiment of the dehumidification method provided by the present application;
[0035] Figure 3 is a flow chart of another embodiment of the dehumidification method provided by the present application;
[0036] Figure 4 It is a structural schematic diagram of an embodiment of a testing device provided by the present application;
[0037] Figure 5 It is a structural schematic diagram of an embodiment of a test workshop provided by the present application;
[0038] Figure 6 It is a structural schematic diagram of an embodiment of a testing device provided in the present application. DETAILED DESCRIPTION
[0039] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.
[0040] The terms "first", "second", etc. in this application are used to distinguish different objects, rather than to describe a specific order. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions. For example, a process, method, system or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes steps or units that are not listed, or optionally includes other steps or units inherent to these processes, methods or devices.
[0041] The "humidity" in this application refers to the relative humidity (RH).
[0042] Please refer to Figure 1 , Figure 1 It is a flow chart of an embodiment of a dehumidification method provided in the present application.
[0043] like Figure 1 As shown, the dehumidification method of the embodiment of the present application may specifically include the following steps:
[0044] S1, adjusting the humidity in the first space according to a first dehumidification degree.
[0045] The dehumidification method provided in the present application is performed by a dehumidification control device. In some embodiments, the dehumidification control device may be an embedded device, or a user equipment (UE), a mobile device, a user terminal, a terminal, a cellular phone, a cordless phone, a personal digital assistant (PDA), a handheld device, a computing device, a vehicle-mounted device, a wearable device, or glasses, helmets, and other products for augmented reality or virtual reality, etc., which are not limited here.
[0046] Specifically, the dehumidification control device adjusts the humidity in the first space according to the first dehumidification degree. In some embodiments, the first dehumidification degree reflects the dehumidification capacity of the first space.
[0047] In some application scenarios, the dehumidification control device adjusts the humidity in the first space according to the first dehumidification degree to reduce the humidity in the first space.
[0048] In some embodiments, the first dehumidification degree is characterized by the ability to adjust the humidity of the first space, such as reducing the humidity of the first space to 45%, 40%, 39%, 38%, 37%, 36%, 35%, 34%, 33%, 32%, 31%, 30%, 25% or 20%, etc., which is not limited here.
[0049] In some embodiments, the first space may be a relatively closed room or box, for example, a test room.
[0050] S2, adjusting the humidity in the second space to a target humidity according to a second dehumidification degree.
[0051] The second space is arranged in the first space, the first dehumidification degree is less than the second dehumidification degree, and the second space is used to accommodate the target object.
[0052] Specifically, the dehumidification control device adjusts the humidity in the second space disposed in the first space to the target humidity according to the second dehumidification degree. In some embodiments, the second dehumidification degree is used to reflect the dehumidification capacity of the second space.
[0053] In some application scenarios, the dehumidification control device adjusts the humidity in the second space according to the second dehumidification degree to reduce the humidity in the second space.
[0054] In some embodiments, the second space may be a relatively closed box or cavity. For example, the second space is a metal cavity.
[0055] In some embodiments, the second dehumidification degree is characterized by the ability to adjust the humidity of the second space, such as reducing the humidity of the second space to 20%, 15%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1% or 0.1%, etc., which is not limited here.
[0056] In some application scenarios, the target humidity is less than 20%. In some application scenarios, the target humidity is less than 10%. In some application scenarios, the target humidity is less than 5%. In some application scenarios, the target humidity is less than 3%.
[0057] In some embodiments, the target object is a semiconductor component, such as a processor device. In some application scenarios, the processor device may be a CPU (Central Processing Unit). In some application scenarios, the processor device may be an integrated circuit chip with signal processing capabilities. In some application scenarios, the processor device may also be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. A general-purpose processor may be a microprocessor or the processor device may also be any conventional processor, etc.
[0058] In some embodiments, the target object is an electronic device, such as a storage medium. In some application scenarios, the storage medium may be a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a flash card, a disk, or an optical disk.
[0059] In some embodiments, the target object is a solid-state hard disk without a main control unit, and the target object includes a printed circuit board, a flash memory chip, or a printed circuit board, a flash memory chip, and a cache chip. In some embodiments, the target object is any one or more of a printed circuit board, a flash memory chip, and a cache chip.
[0060] In some embodiments, the target object is a biological specimen, such as an animal specimen, a plant specimen, an insect specimen, a fossil specimen, a cell specimen, or a virus specimen.
[0061] In some application scenarios, the target object is a biological sample.
[0062] By adjusting the humidity in the second space to the target humidity, the target object accommodated in the second space is maintained within a corresponding humidity range for storage, operation or testing.
[0063] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0064] See also Figure 2 , Figure 2 It is a flow chart of another embodiment of the dehumidification method provided in the present application.
[0065] like Figure 2 As shown, another embodiment of the dehumidification method provided by the present application may specifically include the following steps:
[0066] S11, using a first dehumidification device to adjust the humidity in the first space and the second space according to a first dehumidification degree.
[0067] Specifically, the dehumidification control device uses the first dehumidification device to adjust the humidity of the first space and the second space according to the first dehumidification degree.
[0068] In some embodiments, the dehumidification control device uses the first dehumidification device to reduce the humidity in the first space according to the first dehumidification degree. At this time, the first dehumidification device dehumidifies the first space.
[0069] In some application scenarios, the first dehumidification device may be an industrial dehumidifier. Optionally, the first dehumidification device may further be an industrial dehumidifier such as a rotary dehumidifier, a compressor dehumidifier, etc., which is not limited here.
[0070] In some application scenarios, the first dehumidification device may be an air conditioner.
[0071] In some embodiments, the first dehumidification degree represents the ability of the first dehumidification device to adjust the humidity of the first space and the second space. For example, the first dehumidification device reduces the humidity of the first space to 45%, 40%, 39%, 38%, 37%, 36%, 35%, 34%, 33%, 32%, 31%, 30%, 25% or 20%, etc., which is not limited here.
[0072] In some application scenarios, after the second space is connected to the first space, the dehumidification control device uses the first dehumidification device to adjust the humidity in the second space according to the first dehumidification degree. After completing the above steps, the connection between the second space and the first space is disconnected.
[0073] S12, using a second dehumidification device to adjust the humidity in the second space to a target humidity according to a second dehumidification degree.
[0074] The dehumidification degree of the first dehumidification device is less than that of the second dehumidification device, and the second dehumidification device is arranged in the first space and interacts with the second space. In some embodiments, the interaction between the second dehumidification device and the second space is gas interaction.
[0075] Specifically, the dehumidification control device uses the second dehumidification equipment to adjust the humidity in the second space to the target humidity according to the second dehumidification degree.
[0076] Exemplarily, the second dehumidification device contains a solid desiccant, such as any one or more combinations of zeolite molecular sieve, carbon molecular sieve, activated alumina, activated carbon, and silica gel.
[0077] In some application scenarios, the operation of adjusting the humidity in the second space to the target humidity by using the second dehumidification device is an operation of dehumidifying the second space by using the second dehumidification device so that the temperature value in the second space reaches the target humidity.
[0078] In some embodiments, the second dehumidification degree represents the ability of the second dehumidification device to adjust the humidity of the second space. For example, the second dehumidification device reduces the humidity of the second space to 15%, 10%, 9%, 8%, 7%, 6%, 5%, 4%, 3%, 2%, 1% or 0.1%, etc., which is not limited here.
[0079] It can be understood that the dehumidification degree of the first dehumidification device is lower than that of the second dehumidification device, that is, the first dehumidification device can reduce the humidity of the space to no less than 20%, and the second dehumidification device can further reduce the humidity of the space to 15% or even below.
[0080] In some application scenarios, the target humidity is less than 20%. In some application scenarios, the target humidity is less than 10%. In some application scenarios, the target humidity is less than 5%. In some application scenarios, the target humidity is less than 3%.
[0081] In some embodiments, the second dehumidification device can also selectively interact with the first space or the second space. For example, when the second dehumidification device interacts with the first space, the second dehumidification device does not interact with the second space. For another example, when the second dehumidification device interacts with the second space, the second dehumidification device does not interact with the first space. Optionally, the interaction between the second dehumidification device and the first space or the second space is gas interaction.
[0082] After a period of research, the inventor of the present application found that if only the second dehumidification device is used to adjust the humidity of the first space and the second space, due to the limited dehumidification capacity of the second dehumidification device per unit time, it takes a lot of time and energy to reduce the humidity in the second space to the target humidity. Considering the needs of saving energy and improving efficiency, the first dehumidification device is used to perform the first-level humidity adjustment on the first space and / or the second space, so that the humidity in the first space and / or the second space is lower than a certain range (for example, any one of 10%-15%, 15%-20%, 20%-25%, 20%-30%, 25-30%), and then the second dehumidification device is used to perform the second-level humidity adjustment on the second space, and further adjust the humidity to the target humidity (any one of below 10%, below 5%, below 3%, and below 1%) on the basis of the above range, so that the storage, operation or test of the target object meets the conditions.
[0083] It can be understood that the first dehumidifier performs the first-level humidity adjustment on the first space and / or the second space. When the first dehumidifier makes the humidity in the first space and / or the second space lower, the second dehumidifier performs the second-level humidity adjustment on the second space more effectively, that is, the humidity in the second space is lower. For example, after the first dehumidifier is used to dehumidify the first space and / or the second space, the humidity of the first space and / or the second space is 10%, and the second dehumidifier can further adjust the humidity of the second space on this basis, so that the humidity of the second space is close to 0%.
[0084] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0085] Another embodiment of the dehumidification method provided in the present application may specifically include the following steps:
[0086] S21, using a first dehumidification device to adjust the humidity in the first space and the second space according to a first dehumidification degree.
[0087] S22, using a second dehumidification device to absorb the first air in the second space, and injecting second air into the second space until the humidity in the second space reaches a target humidity.
[0088] The humidity of the second air is lower than the humidity of the first air.
[0089] Specifically, the dehumidification control device uses the second dehumidification device to absorb the first air in the second space and injects the second air into the second space until the humidity in the second space reaches the target humidity and then stops.
[0090] In some application scenarios, a suction pump and a discharge pump are provided in the second dehumidification device, and the second dehumidification device is connected to the second space through a first air inlet channel and a first air exhaust channel.
[0091] In some embodiments, the dehumidification control device uses a suction pump to suck the first air into the second dehumidification device through the first air inlet channel for dehumidification operation, and the air after the dehumidification operation is completed is the second air. The dehumidification control device then uses an output pump to inject the second air into the second space through the first exhaust channel, so that the humidity in the second space is gradually reduced. When the humidity in the second space is less than or equal to the target humidity, the second dehumidification device is stopped from performing humidity adjustment operation on the second space. Optionally, stopping the second dehumidification device from performing humidity adjustment operation on the second space may also include closing the first air inlet channel and the first exhaust channel.
[0092] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0093] Another embodiment of the dehumidification method provided in the present application may specifically include the following steps:
[0094] S31, using a first dehumidification device to adjust the humidity in the first space and the second space according to a first dehumidification degree.
[0095] S32: Utilize the second dehumidification device to absorb the first air in the second space and inject the second air into the second space.
[0096] S33, evaporating the water molecules in the second dehumidification device into the first space.
[0097] In some embodiments, the second dehumidification device includes a solid dehumidifier. Since the dehumidification capacity of the solid dehumidifier is limited, it can no longer dehumidify the first air if it adsorbs water molecules exceeding a certain threshold. That is, the second dehumidification device cannot meet the dehumidification conditions at this time. Therefore, it is necessary to regenerate the solid dehumidifier in the second dehumidification device.
[0098] In some embodiments, before the step of evaporating the water molecules in the second dehumidification device into the first space, it also includes detecting whether the water molecule content in the second dehumidification device is greater than a water molecule content threshold value. If so, closing the first air inlet channel and the first exhaust channel connecting the second dehumidification device to the second space, and opening the second air inlet channel and the second exhaust channel connecting the second dehumidification device to the first space to evaporate the water molecules in the second dehumidification device into the first space.
[0099] In some application scenarios, the operation of evaporating water molecules in the second dehumidification device into the first space may specifically include:
[0100] S331, heating the third air, wherein the third air will flow from the first space to the second dehumidification device through the second air inlet passage.
[0101] S332: Utilize the second dehumidification device to absorb the third air and inject the fourth air into the first space.
[0102] Among them, the water molecule content in the fourth air is higher than the water molecule content in the third air.
[0103] Specifically, the third air with a temperature higher than that of the solid dehumidifier in the second dehumidification device is used to heat and evaporate the water molecules in the solid dehumidifier, so that the water molecule content in the solid dehumidifier gradually decreases, thereby satisfying the requirement of dehumidifying the first air in the second space again.
[0104] It can be understood that the lower the humidity of the third air, the stronger its ability to absorb water molecules. Further, the lower the humidity of the third air, the faster the speed at which the water molecule content in the solid dehumidifier decreases.
[0105] S333, determining whether the water molecule content in the second dehumidification device is lower than a first threshold.
[0106] If yes, jump to S334, if no, jump to S333.
[0107] S334, close the second air intake channel and the second exhaust channel, and open the first air intake channel and the first exhaust channel.
[0108] After completing the regeneration operation, the solid dehumidifier in the second dehumidification device can re-dehumidify the first air in the second space to obtain second air with lower humidity than the first air, and further inject the second air into the second space to reduce the humidity in the second space.
[0109] In some embodiments, after the third air enters the second dehumidification device and regenerates the solid dehumidifier in the second dehumidification device, the solid dehumidifier may be heated. If the temperature in the second space is different from the temperature of the solid dehumidifier, the second air obtained after passing through the second dehumidification device may form a temperature difference with the air in the second space. In order to maintain a constant temperature in the second space, a heating and / or cooling device may be provided on the second dehumidification device or the first exhaust passage so that the temperature of the second air is the same as the temperature of the second space. In some embodiments, the heating and / or cooling device is a Peltier (semiconductor cooling / heating sheet).
[0110] S34, using a second dehumidification device to absorb the first air in the second space, and injecting second air into the second space until the humidity in the second space reaches a target humidity.
[0111] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0112] Another embodiment of the dehumidification method provided in the present application may specifically include the following steps:
[0113] S41, using a first dehumidification device to adjust the humidity in the first space and the second space according to a first dehumidification degree.
[0114] S42, using a second dehumidification device to absorb the first air in the second space and injecting second air into the second space.
[0115] S43, in the process of the second dehumidification device dehumidifying the second space, in response to the water molecules exceeding the threshold, suspending the air exchange between the second dehumidification device and the second space.
[0116] Specifically, in order to prevent the water molecules in the second dehumidification device from evaporating into the second space through the first exhaust channel, and to prevent the third air entering the first space from entering the second space through the first exhaust channel and causing the temperature in the second space to change, the dehumidification control device suspends the air exchange between the second dehumidification device and the second space.
[0117] In some embodiments, suspending the air exchange between the second dehumidification device and the second space may include closing the first air intake passage and the first air exhaust passage.
[0118] S44, evaporating the water molecules in the second dehumidification device into the first space.
[0119] S45, using the second dehumidification device to absorb the first air in the second space, and injecting the second air into the second space until the humidity in the second space reaches the target humidity.
[0120] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0121] Another embodiment of the dehumidification method provided in the present application may specifically include the following steps:
[0122] S51, using a first dehumidification device to adjust the humidity in the first space and the second space according to a first dehumidification degree.
[0123] S52: Utilize the second dehumidification device to absorb the first air in the second space and inject the second air into the second space.
[0124] S53, during the process of the second dehumidification device dehumidifying the second space, in response to the water molecules exceeding a threshold value, suspending the air exchange between the second dehumidification device and the second space.
[0125] S54, evaporating the water molecules in the second dehumidification device into the first space.
[0126] S55, using the second dehumidification equipment again to exchange air with the second space.
[0127] Specifically, after the step of evaporating water molecules in the second dehumidifier is completed, the second dehumidifier meets the dehumidification condition. The dehumidification control device opens the first air inlet channel and the first air outlet channel, and uses the second dehumidifier to exchange air with the second space again, thereby adjusting the air humidity in the second space.
[0128] In some embodiments, the step of the dehumidification control device using the second dehumidification equipment to exchange air with the second space is to use the second dehumidification equipment to dehumidify the second space.
[0129] S56, using the second dehumidification device to absorb the first air in the second space, and injecting the second air into the second space until the humidity in the second space reaches the target humidity.
[0130] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0131] Another embodiment of the dehumidification method provided in the present application may specifically include the following steps:
[0132] S61, using a first dehumidification device to adjust the humidity in the first space and the second space according to a first dehumidification degree.
[0133] S62: Utilize a second dehumidification device to adjust the humidity in the second space to a target humidity according to a second dehumidification degree.
[0134] Specifically, the second dehumidification device contains a solid hygroscopic material, which is used to absorb water molecules in the air. The solid hygroscopic material includes any one or more of activated carbon, activated alumina, silica gel, carbon molecular sieve and zeolite molecular sieve.
[0135] Furthermore, the solid hygroscopic material needs to have a recyclable property, considering that the second dehumidification device cannot directly adjust the humidity in the second space to the target humidity in one dehumidification cycle, that is, disposable hygroscopic materials such as calcium oxide cannot be used. That is, the solid hygroscopic material needs to have a regeneration property, that is, after some processing procedures, the water molecules in the hygroscopic material are removed and the second space can be dehumidified again.
[0136] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0137] See also Figure 3 , Figure 3 It is a flow chart of another embodiment of the dehumidification method provided in the present application.
[0138] like Figure 3 As shown, another embodiment of the dehumidification method provided by the present application may specifically include the following steps:
[0139] S101, dehumidifying the first space.
[0140] Specifically, the dehumidification control device uses the first-stage dehumidification equipment to dehumidify the first space.
[0141] Among them, the first-stage dehumidification equipment corresponds to the first dehumidification equipment mentioned above, which will not be repeated here.
[0142] S102, reducing the humidity in the current first space until the current humidity is less than or equal to 30%.
[0143] Specifically, the dehumidification control device uses the humidity sensor in the first space to obtain the current humidity value in the first space, and determines whether the current humidity value in the first space is less than or equal to 30%. If the condition is not met, the humidity in the first space continues to be reduced.
[0144] S103, completing the dehumidification of the first space.
[0145] Specifically, the dehumidification control device stops the dehumidification operation on the first space.
[0146] It is worth noting that, if the humidity sensor in the first space subsequently detects that the humidity in the first space is greater than 30%, the dehumidification control device will re-execute steps S101 to S103.
[0147] S104, dehumidifying the second space.
[0148] The second space accommodates the target object.
[0149] Specifically, the dehumidification control device utilizes the second-stage dehumidification equipment to dehumidify the second space.
[0150] Among them, the second-stage dehumidification equipment corresponds to the second dehumidification equipment mentioned above, which will not be described here.
[0151] S105, reducing the humidity in the second space until the current humidity is less than or equal to 5%.
[0152] Specifically, the dehumidification control device uses the humidity sensor in the second space to obtain the current humidity value in the second space, and determines whether the current humidity value in the second space is less than or equal to 5%. If the condition is not met, the humidity in the second space continues to be reduced.
[0153] S106, completing the dehumidification of the second space.
[0154] Specifically, the dehumidification control device stops the dehumidification operation of the second space.
[0155] It is worth noting that if the humidity sensor in the second space detects that the humidity in the second space is greater than 5%, the dehumidification control device will re-execute steps S104-S106. Further, steps S101-S103 and S104-S106 can be performed in sequence or simultaneously, which is not limited here.
[0156] S107, cooling the second space.
[0157] Specifically, a refrigeration device is also provided in the second space, and the dehumidification control device uses the refrigeration device to perform a cooling operation on the second space.
[0158] In some embodiments, the refrigeration device is a semiconductor refrigeration chip. In some embodiments, the refrigeration device is a refrigeration liquid such as liquid nitrogen, liquid oxygen, liquid helium, dry ice, or a refrigeration solid.
[0159] The inventor of the present application has found through a period of research that if the surface temperature of a low-temperature object (i.e., a target object) is lower than the dew point temperature in the air and the water molecule saturation in the air reaches 100%, condensation and / or frosting will occur on the surface of the low-temperature object. The degree of frost and / or condensation on the surface of the target object depends on the temperature of the surface of the target object, the relative humidity of the environment, or the content of water molecules in the air.
[0160] Taking semiconductor devices as an example, in some application scenarios, semiconductor devices need to be installed on a test board to undergo low-temperature operation testing. If the humidity in the air is high, as the temperature drops, frost and / or condensation may appear on the surface of the semiconductor device or the test board. The frost and / or condensation on the surface of the semiconductor device or the test board may easily cause the semiconductor device or the test board to be damaged due to a short circuit.
[0161] Taking biological samples as an example, in some application scenarios, biological samples need to be observed or experimented in a low-temperature environment. If the humidity in the air is high, as the temperature drops, frost and / or condensation may appear on the surface of the biological samples and / or experimental equipment, which is not conducive to the experimenter's immediate observation.
[0162] S108, adjusting the temperature of the second space until the current temperature is equal to the preset temperature.
[0163] Specifically, a temperature sensor is also provided in the second space. The dehumidification control device uses the temperature sensor to detect the current temperature value in the second space and determines whether the current temperature value is equal to the preset temperature. If the condition is not met, the humidity in the second space continues to be adjusted.
[0164] Optionally, the preset temperature is -40 degrees Celsius, -41 degrees Celsius, -42 degrees Celsius, -43 degrees Celsius, -44 degrees Celsius, -45 degrees Celsius, -46 degrees Celsius, -47 degrees Celsius, -48 degrees Celsius, -49 degrees Celsius or -50 degrees Celsius. In some application scenarios, the preset temperature may be a preset temperature interval, and the preset temperature interval may be -50 degrees Celsius to -40 degrees Celsius, -50 degrees Celsius to -45 degrees Celsius, or -45 degrees Celsius to -40 degrees Celsius, which is not limited here.
[0165] S109, the second space cooling is completed.
[0166] Methods used by technicians in this field to prevent frost on target objects at low temperatures mainly include using a heating element to heat the surface of the target object, applying an anti-frost coating on the surface of the target object, using a dehumidifier or air conditioner to control the ambient humidity, or vibrating the target object to prevent water vapor from adhering.
[0167] The inventors of the present application have discovered that the above-mentioned conventional technical means all have certain shortcomings: the method of using a heating element to heat the surface of the target object makes it difficult to keep the target object at a preset temperature, thereby failing to meet the testing and / or working requirements of the target object; the method of coating the surface of the target object may cause damage to the target object. If the number of target objects is large, it is also difficult to coat the surface of the target objects in large quantities; the use of a dehumidifier commonly found in the field can only control the ambient humidity to above 10%. If the target temperature is lower than -40 degrees Celsius, frost will still form on the surface of the target object; mechanically vibrating the target object is not suitable for target objects that are not resistant to vibration.
[0168] Furthermore, the inventors of the present application have found that only using solid desiccants such as zeolite molecular sieves for environmental humidity control has the disadvantage of low dehumidification efficiency. The solid desiccants lose their hygroscopic capacity after absorbing a small amount of water vapor in the air, and the solid desiccants need to be regenerated to restore their hygroscopic capacity. In this way, relying solely on solid desiccants for environmental humidity control requires a lot of time and energy to reduce the humidity in the second space to less than 10%. This method has the disadvantages of low efficiency and high energy consumption.
[0169] It is precisely in response to the shortcomings of the above-mentioned defrosting / defrosting methods that the inventors of the present application proposed the above-mentioned dehumidification method, which can further reduce the humidity of the second space accommodating the target object, and control the humidity in the second space within a very small range (for example, the humidity is controlled below 5%) without the assistance of other auxiliary dehumidification methods, so that frost and / or condensation will not occur on the surface of the target object at the target temperature.
[0170] The above scheme adjusts the humidity of the first space and the second space respectively, which can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0171] See also Figure 4 , Figure 4 The test device 100 of the embodiment of the present application comprises a first space 11 and a second space 12 .
[0172] In some embodiments, the first space 11 is a test cabinet.
[0173] In some application scenarios, the number of the first space 11 is 1. In some application scenarios, the number of the first space 11 is not less than one.
[0174] In some embodiments, the second space 12 is a test box.
[0175] In some application scenarios, the number of the second space 12 is 1. In some application scenarios, the number of the second space 12 is not less than one.
[0176] It can be understood that the volume of the first space 11 is greater than the volume of the second space 12 .
[0177] The first space 11 is provided with a first dehumidification device 111 and a second dehumidification device 112. The second dehumidification device 112 interacts with the first space 11 and the second space 12. Specifically, the second dehumidification device 112 is connected to the second space 12 through the first air inlet channel 13 and the first air outlet channel 14, and the second dehumidification device 112 is connected to the first space 11 through the second air inlet channel 15 and the second air outlet channel 16.
[0178] In some embodiments, the first dehumidification device 111 may be an air conditioner or a dehumidifier. The first dehumidification device 111 is used to reduce the humidity in the first space.
[0179] In some embodiments, the second dehumidification device 112 includes a solid dehumidifier. For example, the solid dehumidifier includes zeolite molecular sieve.
[0180] The second space 12 is disposed in the first space 11. Furthermore, the second space 12 also accommodates a target object 121 and a test component 122.
[0181] In some application scenarios, the target object 121 is a semiconductor device.
[0182] In some embodiments, the target object 121 is an electronic device, such as a storage medium. In some application scenarios, the storage medium may be a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a flash card, a disk, or an optical disk.
[0183] In some application scenarios, the target object 121 is a solid-state hard disk without a main control unit. In this case, the target object 121 includes a printed circuit board, a flash memory chip, or a printed circuit board, a flash memory chip, and a cache chip. In some embodiments, the target object 121 is any one or more of a printed circuit board, a flash memory chip, and a cache chip.
[0184] In some application scenarios, the target object 121 is a biological specimen, such as an animal specimen, a plant specimen, an insect specimen, a fossil specimen, a cell specimen, or a virus specimen.
[0185] In some application scenarios, the target object 121 is a biological sample.
[0186] In some embodiments, the test component 122 is a test printed circuit board. In some application scenarios, the test component 122 is a test base, which is used to couple with the target object 121 so that the target object 121 works or is tested.
[0187] In some application scenarios, the test component 122 may be a sampling device. In some application scenarios, the test component 122 may be a cryo-microscope, which is not limited here.
[0188] The testing device 100 performs dehumidification according to the above-mentioned dehumidification method, so that the humidity in the second space 12 meets the testing requirements of the testing component 122 on the target object 121 at the target temperature.
[0189] Specifically, the test equipment 100 uses the second dehumidification equipment 112 to absorb the first air in the second space 12 through the first air intake channel 13. The second dehumidification equipment 112 dehumidifies the first air to obtain the second air, and discharges the second air to the second space 12 through the first exhaust channel 14 until the humidity in the second space 12 reaches the target humidity.
[0190] It is worth noting that when the second dehumidification device 112 interacts with the second space 12, the second air inlet channel 15 and the second exhaust channel 16 are closed to prevent the second space 12 from being connected to the first space 11 and causing the humidity in the second space 12 to rise. Similarly, when the second dehumidification device 112 interacts with the first space 11, the first air inlet channel 13 and the first exhaust channel 14 are closed.
[0191] It can be understood that the second dehumidifier 112 has a limited ability to absorb water molecules in the air of the second space 12. When the dehumidification capacity of the second dehumidifier 112 is insufficient, the first air inlet channel 13 and the first exhaust channel 14 are closed. At this time, the second dehumidifier 112 interacts with the first space 11, including opening the second air inlet channel 15 and the second exhaust channel 16.
[0192] In order to accelerate the evaporation of water molecules in the second dehumidifier 112 into the first space, in some embodiments, a heating device is installed in the second air inlet channel 15 so that the temperature of the third air entering the second dehumidifier 112 through the second air inlet channel 15 is higher than the temperature of the second dehumidifier. After the dehumidification capacity of the second dehumidifier 112 is restored, the second air inlet channel 15 and the second exhaust channel 16 are closed, the first air inlet channel 13 and the first exhaust channel 14 are opened, and the second dehumidifier 112 is used again to exchange air with the second space 12.
[0193] Further, the test requirement is that there is no frost at the target temperature. For example, the test requirement is that there is no frost in the temperature range of -30 degrees Celsius to -50 degrees Celsius.
[0194] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0195] See also Figure 5 , Figure 5 The test workshop 200 of the embodiment of the present application includes a first space 21 and a second space 22 .
[0196] In some embodiments, the first space 21 is a testing chamber.
[0197] In some embodiments, the first space 21 is a test cabinet.
[0198] In some embodiments, the second space 22 is a test box.
[0199] It can be understood that the volume of the first space 21 is greater than the volume of the second space 22 .
[0200] The first space 21 is provided with a first dehumidification device 211 and a second dehumidification device 212. The second dehumidification device 212 interacts with the first space 21 and the second space 22. Specifically, the second dehumidification device 212 is connected to the second space 22 through the first air inlet channel 23 and the first air outlet channel 24, and the second dehumidification device 212 is connected to the first space 21 through the second air inlet channel 25 and the second air outlet channel 26.
[0201] In some embodiments, the first dehumidification device 211 may be an air conditioner or a dehumidifier. The first dehumidification device 211 is used to reduce the humidity in the first space.
[0202] In some embodiments, the second dehumidification device 212 includes a solid dehumidifier. For example, the solid dehumidifier includes zeolite molecular sieve.
[0203] The second space 22 is disposed in the first space 21. Furthermore, the second space 22 also accommodates a target object 221 and a test component 222.
[0204] In some application scenarios, the target object 221 is a semiconductor device.
[0205] In some embodiments, the target object 221 is an electronic device, such as a storage medium. In some application scenarios, the storage medium may be a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a flash card, a disk, or an optical disk.
[0206] In some application scenarios, the target object 221 is a solid-state hard disk without a main control unit. In this case, the target object 221 includes a printed circuit board, a flash memory chip, or a printed circuit board, a flash memory chip, and a cache chip. In some embodiments, the target object 221 is any one or more of a printed circuit board, a flash memory chip, and a cache chip.
[0207] In some application scenarios, the target object 221 is a biological specimen, such as an animal specimen, a plant specimen, an insect specimen, a fossil specimen, a cell specimen, or a virus specimen.
[0208] In some application scenarios, the target object 221 is a biological sample.
[0209] In some embodiments, the test component 222 is a test printed circuit board. In some application scenarios, the test component 222 is a test base, which is used to couple with the target object 221 so that the target object 221 works or is tested.
[0210] In some application scenarios, the test component 222 may be a sampling device. In some application scenarios, the test component 222 may be a cryo-microscope, which is not limited here.
[0211] Specifically, the test workshop 200 uses the second dehumidification equipment 212 to absorb the first air in the second space 22 through the first air intake channel 23. The second dehumidification equipment 212 dehumidifies the first air to obtain the second air, and discharges the second air to the second space 22 through the first exhaust channel 24 until the humidity in the second space 22 reaches the target humidity.
[0212] It is worth noting that when the second dehumidification device 212 interacts with the second space 22, the second air inlet channel 25 and the second air outlet channel 26 are closed to prevent the second space 22 from being connected to the first space 21 and causing the humidity in the second space 22 to rise. Similarly, when the second dehumidification device 212 interacts with the first space 21, the first air inlet channel 23 and the first air outlet channel 24 are closed.
[0213] It can be understood that the second dehumidifier 212 has a limited ability to absorb water molecules in the air of the second space 22. When the dehumidification capacity of the second dehumidifier 212 is insufficient, the first air inlet channel 23 and the first exhaust channel 24 are closed. At this time, the second dehumidifier 212 interacts with the first space 21, including opening the second air inlet channel 25 and the second exhaust channel 26.
[0214] In order to accelerate the evaporation of water molecules in the second dehumidifier 212 into the first space, in some embodiments, a heating device is installed in the second air inlet channel 25 so that the temperature of the third air entering the second dehumidifier 212 through the second air inlet channel 25 is higher than the temperature of the second dehumidifier. After the dehumidification capacity of the second dehumidifier 212 is restored, the second air inlet channel 25 and the second exhaust channel 26 are closed, the first air inlet channel 23 and the first exhaust channel 24 are opened, and the second dehumidifier 212 is used again to exchange air with the second space 22.
[0215] In some embodiments, after the third air enters the second dehumidification device 212, the solid dehumidifier in the second dehumidification device 212 is regenerated, and the solid dehumidifier may be heated. If the temperature in the second space 22 is different from the temperature of the solid dehumidifier, the second air obtained after passing through the second dehumidification device 212 may form a temperature difference with the air in the second space 22. In order to maintain a constant temperature in the second space 22, a heating and / or cooling device may be provided on the second dehumidification device 212 or the first exhaust passage 24, so that the temperature of the second air is the same as the temperature of the second space 22. In some embodiments, the heating and / or cooling device is a Peltier (semiconductor cooling / heating sheet).
[0216] In some embodiments, the test requirement is that there is no frost at the target temperature. For example, the test requirement is that there is no frost in the temperature range of -30 degrees Celsius to -50 degrees Celsius.
[0217] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0218] See also Figure 6 , Figure 6 3 is a schematic diagram of the structure of an embodiment of the test device provided by the present application. The test device 300 provided by the present application includes a first cavity 31 and a second cavity 32. The first cavity 31 and the second cavity 32 correspond to the first space and the second space mentioned above, respectively, and will not be described in detail here.
[0219] The second cavity 32 is disposed in the first cavity 31. The first cavity 31 is also provided with a first dehumidification device 311 and a second dehumidification device 312. In this embodiment, the first dehumidification device 311 is a central air conditioner or an industrial dehumidifier, and the second dehumidification device 312 is a zeolite molecular sieve.
[0220] Furthermore, a target object 321 , a test assembly 322 and a cold stage 323 are also disposed in the second cavity 32 .
[0221] In some embodiments, the target object 321 is a semiconductor component, such as a processor device. In some application scenarios, the processor device may be a CPU (Central Processing Unit). In some application scenarios, the processor device may be an integrated circuit chip with signal processing capabilities. In some application scenarios, the processor device may also be a general-purpose processor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components. The general-purpose processor may be a microprocessor or the processor device may also be any conventional processor, etc.
[0222] In some embodiments, the target object 321 is an electronic device, such as a storage medium. In some application scenarios, the storage medium may be a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a flash card, a disk, or an optical disk.
[0223] In some embodiments, the target object 321 is a solid state drive without a main control unit. In this case, the target object includes a printed circuit board, a flash memory chip, or a printed circuit board, a flash memory chip, and a cache chip. In some embodiments, the target object is any one or more of a printed circuit board, a flash memory chip, and a cache chip.
[0224] The test component 322 in this embodiment is a test board for testing the target object 321, and the cold stage 323 is a semiconductor refrigeration component, which enables the target object to be cooled from a first temperature range of 0°C to 110°C to a second temperature range of -60°C to -20°C for low temperature testing.
[0225] Further, the second dehumidifier 312 interacts with the first cavity 31 and the second cavity 32. Specifically, the second dehumidifier 312 is connected to the second cavity 32 through the first air inlet channel 33 and the first air outlet channel 34, and the second dehumidifier 312 is connected to the first cavity 31 through the second air inlet channel 35 and the second air outlet channel 36.
[0226] Among them, the specific interaction mode between the second dehumidification device 312 and the first cavity 31 and the second cavity 32 can be found in the above-mentioned interaction mode between the second dehumidification device 212 and the first space 21 and the second space 22, which will not be repeated here.
[0227] In the above scheme, the humidity in the first space is adjusted according to the first dehumidification degree; the humidity in the second space containing the target object is adjusted to the target humidity according to the second dehumidification degree, and the first dehumidification degree is less than the second dehumidification degree. The dehumidification method of the present application adjusts the humidity of the first space and the second space respectively, and can reduce the humidity of the second space where the target object is located to a lower level, thereby meeting the humidity requirements of the target object, and can also alleviate the phenomenon of condensation and frost in the second space due to excessive humidity in a low temperature environment.
[0228] The above description is only an implementation method of the present application, and does not limit the patent scope of the present application. Equivalent structures or equivalent process changes made by utilizing the contents of the present application specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A dehumidification method, characterized in that: The method comprises: adjusting the humidity in the first space according to a first dehumidification degree; The humidity in the second space is adjusted to the target humidity according to the second dehumidification degree; wherein the second space is arranged in the first space, the first dehumidification degree is less than the second dehumidification degree, and the second space is used to accommodate the target object.
2. The method according to claim 1, characterized in that The step of adjusting the humidity in the first space according to the first dehumidification degree includes: Using the first dehumidification device to adjust the humidity in the first space and the second space according to the first dehumidification degree; The step of adjusting the humidity in the second space to the target humidity according to the second dehumidification degree includes: Using a second dehumidification device to adjust the humidity in the second space to a target humidity according to a second dehumidification degree; The dehumidification degree of the first dehumidification device is smaller than that of the second dehumidification device, and the second dehumidification device is arranged in the first space and interacts with the second space.
3. The method according to claim 2, characterized in that The step of adjusting the humidity in the second space to the target humidity according to the second dehumidification degree using the second dehumidification device includes: The second dehumidification device is used to absorb the first air in the second space and inject the second air into the second space until the humidity in the second space reaches the target humidity; wherein the humidity of the second air is lower than the humidity of the first air.
4. The method according to claim 3, characterized in that During the process of the second dehumidification device dehumidifying the second space, water molecules in the second dehumidification device are evaporated into the first space.
5. The method according to claim 4, characterized in that The step of evaporating water molecules in the second dehumidification device into the first space during the dehumidification process of the second dehumidification device comprises: During the process of the second dehumidification device dehumidifying the second space, in response to the water molecules exceeding a threshold, suspending the air exchange between the second dehumidification device and the second space; The water molecules in the second dehumidification device are evaporated into the first space.
6. The method according to claim 5, characterized in that After evaporating the water molecules in the second dehumidification device into the first space, the method includes: The second dehumidification device is used again to exchange air with the second space.
7. The method according to any one of claims 2 to 6, characterized in that: The second dehumidification device has a solid hygroscopic material therein, and the solid hygroscopic material is used to absorb water molecules in the air. The solid hygroscopic material includes any one or more of activated carbon, activated alumina, silica gel, carbon molecular sieve and zeolite molecular sieve.
8. A testing device, characterized in that: The test equipment includes: First Space; A second space, the second space is arranged in the first space; the second space is used to accommodate the target object and the test component; The test equipment is dehumidified according to the method described in any one of claims 1 to 7, so that the humidity in the second space meets the test requirements of the test component on the target object at the target temperature.
9. The testing device according to claim 8, characterized in that The test requirement is that there is no frost at the target temperature.
10. A test workshop, characterized in that: The test workshop includes: First Space; A second space, the second space is arranged in the first space; the second space is used to accommodate the target object and the test component; The test equipment is dehumidified according to the method described in any one of claims 1 to 7, so that the humidity in the second space meets the test requirements of the test component on the target object at the target temperature.