Constant temperature and humidity chamber
By introducing heating elements, heat pipes, and atomizing nozzle drive components into the constant temperature and humidity chamber, the problem of uneven temperature and humidity distribution was solved, achieving higher sample detection accuracy and stability.
Patent Information
- Application Number
- CN202422100833.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-08-28
AI Technical Summary
Existing constant temperature and humidity chambers suffer from uneven temperature and humidity distribution inside the chamber when adjusting temperature and humidity, which affects the accuracy of sample testing.
The temperature regulation mechanism consists of a heating element and a heat pipe, combined with a humidity regulation mechanism consisting of an atomizing nozzle and a drive assembly. It achieves uniform humidity distribution by heating and uniformly transferring temperature and moving the atomizing nozzle. The temperature and humidity are monitored and regulated by a sensor assembly.
This achieves uniform distribution of temperature and humidity inside the chamber, improving the accuracy and stability of sample testing.
Smart Images
Figure CN223439874U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of constant temperature and humidity equipment technology, in particular to a constant temperature and humidity box. BACKGROUND
[0002] The constant temperature and humidity box is also called constant temperature and humidity tester, constant temperature and humidity test box or constant temperature machine, which is used for detecting the performance of materials in various environments and testing the heat resistance, cold resistance, dry resistance and humidity resistance of various materials. It is suitable for detecting the quality of products such as electronics, electrical appliances, communication, instruments, vehicles, plastic products, metals, food, chemicals, building materials, medical treatment, aerospace, etc.
[0003] The existing constant temperature and humidity box has the problem of uneven distribution of temperature and humidity inside the box during temperature and humidity adjustment, which affects the accuracy of sample detection.
[0004] For the above-mentioned related technology, the inventor believes that the existing constant temperature and humidity box has the problem of uneven distribution of temperature and humidity inside the box. CONTENT OF THE INVENTION
[0005] In order to solve the above technical problems, the present application provides a constant temperature and humidity box.
[0006] The constant temperature and humidity box provided by the present application adopts the following technical scheme:
[0007] A constant temperature and humidity box, comprising a box body, a temperature adjusting mechanism, a humidity adjusting mechanism, a sensor assembly and a sample rack for placing samples arranged in the box body; the temperature adjusting mechanism comprises a plurality of heating elements arranged on the inner wall of the box body and a heat conducting pipe for connecting adjacent heating elements; the humidity adjusting mechanism comprises a water storage assembly for supplying water mist, an atomizing nozzle in communication with the water storage assembly and a driving assembly for driving the atomizing nozzle to move; the sample rack comprises a plurality of support rods arranged in the box body, a plurality of support blocks arranged on the support rods and a placement plate lapped on the support blocks located on the same horizontal plane.
[0008] By adopting the above technical scheme, the temperature adjusting mechanism heats the inside of the box through the heating elements, and the heat is uniformly transmitted through the heat conducting pipe, so that the temperature inside the box is uniformly distributed. The humidity adjusting mechanism provides water mist through the water storage assembly, the atomizing nozzle sprays the water mist uniformly into the box, and the driving assembly drives the atomizing nozzle to move in the box, so that the water mist is uniformly distributed in the box. The temperature adjusting mechanism and the humidity adjusting mechanism realize the uniform distribution of temperature and humidity inside the box, thereby improving the accuracy of the constant temperature and humidity box for sample detection.
[0009] Preferably, one side of the box is provided with a box door, and a first limiting sliding groove is formed in the side of the box away from the box door; the driving assembly comprises a driving motor, a reciprocating screw rod and a first limiting sliding block, one end of the reciprocating screw rod is fixedly connected with a transmission shaft of the driving motor, the other end is rotatably connected with the box, the first limiting sliding block is threadedly connected with the reciprocating screw rod and slidably connected with the first limiting sliding groove, and the first limiting sliding block is connected with the atomizing nozzle.
[0010] By adopting the above technical scheme, the driving motor drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the first limiting sliding block to slide in the first limiting sliding groove, and the first limiting sliding block drives the atomizing nozzle to move in the box, thereby improving the humidity uniformity in the box.
[0011] Preferably, the water storage assembly comprises an atomizing box, a water tank, a first connecting pipe for connecting the atomizing box and the water tank, an electromagnetic valve arranged on the first connecting pipe, a fan communicated with the atomizing box, and a second connecting pipe for connecting the fan and the atomizing nozzle, wherein the second connecting pipe is a flexible pipe.
[0012] By adopting the above technical scheme, the electromagnetic valve is opened to add water to the atomizing box, and the fan delivers the water mist in the atomizing box into the second connecting pipe and the atomizing nozzle, thereby realizing humidity adjustment.
[0013] Preferably, the two ends of the support block are respectively connected with the two support rods, one end of the support rod is connected with the bottom of the inner wall of the box, and the other end is connected with the top of the inner wall of the box.
[0014] By adopting the above technical scheme, there is a gap between the support rod and the side wall of the box, thereby facilitating uniform distribution of temperature and humidity in the box, and the support block is connected with the two support rods at the same time, thereby improving the stability of the sample rack.
[0015] Preferably, a second limiting sliding groove is formed in the support block, and a second limiting sliding block is arranged on the placing plate and slidably connected with the second limiting sliding groove.
[0016] By adopting the above technical scheme, the placing plate is slidably connected with the support block through the second limiting sliding block, and the second limiting sliding block and the second limiting sliding groove improve the stability of the slidably connected placing plate and support block, thereby improving the stability of the sample in the constant temperature and humidity box.
[0017] Preferably, a through hole is formed in the placing plate.
[0018] By adopting the above technical scheme, the through hole facilitates uniform distribution of water mist and temperature in the box, thereby further improving the temperature and humidity distribution uniformity in the box.
[0019] Preferably, the sensor assembly comprises a plurality of temperature sensors and a plurality of humidity sensors, and the temperature sensors and the humidity sensors are arranged on the support block.
[0020] By adopting the above technical scheme, the plurality of temperature sensors and the plurality of humidity sensors are conducive to monitoring the temperature and humidity conditions at different positions in the box, so as to facilitate the staff to adjust the temperature and humidity in the box according to the actual situation, and further improve the uniformity of the temperature and humidity distribution in the box.
[0021] Preferably, the length of the atomizing nozzle is greater than the width of the placement plate, and a plurality of spray pipes are arranged on the atomizing nozzle.
[0022] By adopting the above technical scheme, the plurality of spray pipes improves the uniformity of the water mist distribution in the box.
[0023] In summary, the present application has the following beneficial technical effects:
[0024] 1. The present application improves the uniformity of temperature distribution in the box by the arrangement of the heating element and the heat pipe;
[0025] 2. The present application improves the uniformity of humidity distribution in the box by driving the atomizing nozzle to move in the box through the driving assembly;
[0026] 3. The placement plate is provided with a through hole, which is conducive to the uniform distribution of water mist and temperature, and further improves the uniformity of temperature and humidity in the box. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a structure schematic view of a constant temperature and humidity chamber;
[0028] Figure 2 is a partial cross-sectional structure schematic view of the box, the temperature adjusting mechanism, the humidity adjusting mechanism and the sample holder;
[0029] Figure 3 is a partial cross-sectional structure schematic view of the box, the humidity adjusting mechanism and the sample holder;
[0030] Figure 4 is a structure schematic view of a water storage assembly;
[0031] Figure 5 is a partial cross-sectional structure schematic view of the box, the temperature adjusting mechanism, the humidity adjusting mechanism and the sample holder;
[0032] Figure 6 is a structure schematic view of a support block and a sensor assembly.
[0033] Explanation of reference signs: 1, box body; 11, box door; 12, first limiting sliding groove; 13, connecting hole; 2, temperature adjusting mechanism; 21, heating element; 22, heat conducting pipe; 3, humidity adjusting mechanism; 31, water storage assembly; 311, atomization box; 312, water tank; 313, first connecting pipe; 314, electromagnetic valve; 315, fan; 316, second connecting pipe; 32, atomization nozzle; 321, spray pipe; 33, driving assembly; 331, driving motor; 332, reciprocating screw rod; 333, first limiting sliding block; 4, sensor assembly; 41, temperature sensor; 42, humidity sensor; 5, sample holder; 51, supporting rod; 52, supporting block; 521, second limiting sliding groove; 53, placing plate; 531, through hole; 532, second limiting sliding block. DETAILED DESCRIPTION
[0034] The following will be described in detail with reference to the accompanying drawings. Figures 1-6 The application is further described in detail.
[0035] The application discloses a constant temperature and humidity box.
[0036] Referring to Figure 1 , Figure 2 and Figure 3 , a constant temperature and humidity box comprises a box body 1, a temperature adjusting mechanism 2, a humidity adjusting mechanism 3, a sensor assembly 4 and a sample holder 5 for placing samples.
[0037] The temperature adjusting mechanism 2 comprises a plurality of heating elements 21 arranged on the inner wall of the box body 1 and heat conducting pipes 22 for connecting adjacent heating elements 21. In the embodiment of the application, the number of heating elements 21 is four, and the four heating elements 21 are arranged on the plurality of side walls of the box body 1 respectively, and the heat conducting pipes 22 are fixedly connected with the heating elements 21.
[0038] The humidity adjusting mechanism 3 comprises a water storage assembly 31 for supplying water mist, an atomization nozzle 32 in communication with the water storage assembly 31 and a driving assembly 33 for driving the atomization nozzle 32 to move.
[0039] One side of the box body 1 is provided with a box door 11, and the side of the box body 1 away from the box door 11 is provided with a first limiting sliding groove 12. The driving assembly 33 comprises a driving motor 331 fixedly arranged in the first limiting sliding groove 12, a reciprocating screw rod 332 and a first limiting sliding block 333. One end of the reciprocating screw rod 332 is fixedly connected with the transmission shaft of the driving motor 331, and the other end is rotatably connected with the box body 1 through a bearing. The first limiting sliding block 333 is threadedly connected with the reciprocating screw rod 332 and slidably connected with the first limiting sliding groove 12, and the first limiting sliding block 333 is fixedly connected with the atomization nozzle 32.
[0040] Referring to Figure 3 and Figure 4The water storage assembly 31 comprises an atomization box 311, a water tank 312, a first connecting pipe 313 for connecting the atomization box 311 and the water tank 312, an electromagnetic valve 314 fixedly arranged on the first connecting pipe 313, a fan 315 communicated with the atomization box 311, and a second connecting pipe 316 for connecting the fan 315 and the atomization nozzle 32, wherein the second connecting pipe 316 is a flexible pipe. A communicating hole 531 is formed in the box body 1, and the second connecting pipe 316 is fixedly connected with the atomization nozzle 32 through the communicating hole 531. The second connecting pipe 316 is fixedly connected with the box body 1 through the connecting hole 13.
[0041] With reference to Figure 5 and Figure 6 The sample rack 5 comprises four supporting rods 51 arranged in the box body 1, six supporting blocks 52 arranged on the supporting rods 51, and a placement plate 53 overlapped on the supporting blocks 52 on the same horizontal plane, wherein a plurality of through holes 531 are formed in the placement plate 53. The length of the atomization nozzle 32 is greater than the width of the placement plate 53, and a plurality of spray pipes 321 are formed in the atomization nozzle 32.
[0042] The two ends of the supporting block 52 are fixedly connected with the two supporting rods 51 respectively, one end of the supporting rod 51 is fixedly connected with the inner wall bottom of the box body 1, and the other end is fixedly connected with the inner wall top of the box body 1.
[0043] A second limiting sliding groove 521 is formed in the supporting block 52, and a second limiting sliding block 532 is arranged on the placement plate 53 and slidably connected with the second limiting sliding groove 521. The second limiting sliding groove 521 is a T-shaped sliding groove, and the second limiting sliding block 532 is a T-shaped sliding block.
[0044] The sensor assembly 4 comprises a plurality of temperature sensors 41 and a plurality of humidity sensors 42, and the temperature sensors 41 and the humidity sensors 42 are arranged on the supporting blocks 52.
[0045] The implementation principle of the constant temperature and humidity box according to the embodiment of the application is as follows: the temperature adjusting mechanism 2 heats the inside of the box body 1 through the heating element 21, and uniformly transmits the heat through the heat conducting pipe 22, so that the temperature in the inside of the box body 1 is uniformly distributed. The humidity adjusting mechanism 3 provides water mist through the water storage assembly 31, the atomization nozzle 32 uniformly sprays the water mist into the inside of the box body 1, and the driving assembly 33 drives the atomization nozzle 32 to move in the box body 1, so that the water mist is uniformly distributed in the box body 1. The sample is placed on the placement plate 53, and the through holes 531 on the placement plate 53 further improve the uniformity of the temperature and humidity distribution in the inside of the box body 1. The placement plate 53 can be flexibly disassembled, so that different volumes of samples can be accommodated according to needs, and thus the application range of the constant temperature and humidity box is enriched.
[0046] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A constant temperature and humidity chamber, characterized in that: The invention comprises a box (1), a temperature regulating mechanism (2) arranged in the box (1), a humidity regulating mechanism (3), a sensor assembly (4) and a sample rack (5) for placing samples; the temperature regulating mechanism (2) comprises a plurality of heating elements (21) arranged on the inner wall of the box (1) and a heat conducting pipe (22) for connecting adjacent heating elements (21); the humidity regulating mechanism (3) comprises a water storage assembly (31) for supplying water mist, an atomizing nozzle (32) connected to the water storage assembly (31) and a driving assembly (33) for driving the atomizing nozzle (32) to move; the sample rack (5) comprises a plurality of support rods (51) arranged in the box (1), a plurality of support blocks (52) arranged on the support rods (51) and a placement plate (53) overlapped on the support blocks (52) located on the same horizontal plane.
2. A constant temperature and humidity chamber according to claim 1, characterized in that: A box door (11) is provided on one side of the box body (1), and a first limiting slide groove (12) is provided on a side of the box body (1) away from the box door (11). The driving assembly (33) includes a driving motor (331), a reciprocating screw (332) and a first limiting slider (333) arranged in the first limiting slide groove (12). One end of the reciprocating screw (332) is fixedly connected to the transmission shaft of the driving motor (331), and the other end is rotationally connected to the box body (1). The first limiting slider (333) is threadedly connected to the reciprocating screw (332) and is slidably connected to the first limiting slide groove (12). The first limiting slider (333) is connected to the atomizing nozzle (32).
3. A constant temperature and humidity chamber according to claim 2, characterized in that: The water storage assembly (31) comprises an atomizing box (311), a water tank (312), a first connecting pipe (313) for connecting the atomizing box (311) and the water tank (312), a solenoid valve (314) provided on the first connecting pipe (313), a fan (315) connected to the atomizing box (311), and a second connecting pipe (316) for connecting the fan (315) and the atomizing nozzle (32), wherein the second connecting pipe (316) is a hose.
4. A constant temperature and humidity chamber according to claim 3, characterized in that: The two ends of the support block (52) are respectively connected to the two support rods (51), one end of the support rod (51) is connected to the bottom of the inner wall of the box body (1), and the other end is connected to the top of the inner wall of the box body (1).
5. A constant temperature and humidity chamber according to claim 4, characterized in that: A second limiting sliding groove (521) is provided on the support block (52), and a second limiting sliding block (532) is provided on the placement plate (53), and the second limiting sliding block (532) is slidably connected to the second limiting sliding groove (521).
6. A constant temperature and humidity chamber according to claim 5, characterized in that: The placement plate (53) is provided with a through hole (531).
7. A constant temperature and humidity chamber according to claim 6, characterized in that: The sensor assembly (4) comprises a plurality of temperature sensors (41) and a plurality of humidity sensors (42), and the temperature sensors (41) and the humidity sensors (42) are both arranged on the support block (52).
8. A constant temperature and humidity chamber according to claim 7, characterized in that: The length of the atomizing nozzle (32) is greater than the width of the placement plate (53), and a plurality of spray pipes (321) are provided on the atomizing nozzle (32).