Multi-layer constant-temperature and constant-humidity test box
By setting sensors and nozzles on the tray and using semiconductor cooling chips to achieve constant temperature and humidity, the problems of inconsistent temperature and humidity and poor observation results in multi-layer constant temperature and humidity test chambers are solved, reducing costs and improving test results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-03-20
AI Technical Summary
Existing multi-layer constant temperature and humidity test chambers suffer from inconsistent temperature and humidity, and their heating and cooling mechanisms are complex and costly. Furthermore, the transparent chamber doors are prone to fogging, which affects the observation results.
Each tray is equipped with a humidity sensor, a temperature sensor, an atomizing nozzle, and a fan-shaped nozzle, which are connected to a humidification mechanism and a temperature control mechanism respectively. Constant temperature and humidity are achieved using a semiconductor cooling chip, and the door is equipped with a micro motor and a wiping system to remove mist.
This method achieves constant temperature and humidity treatment for the test samples on each pallet, ensuring clear observation results, reducing production costs, and improving temperature and humidity consistency.
Smart Images
Figure CN224009840U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to test box technical field especially relates to a multilayer constant temperature and humidity test chamber. BACKGROUND
[0002] The multilayer constant temperature and humidity test chamber is the key equipment for detecting the performance of material under various environments and testing the heat resistance, cold resistance, dry resistance and moisture resistance of material, and bears the heavy responsibility of testing the performance and reliability of various products in electronic, chemical, food and many other industries.
[0003] In the prior art, the multilayer constant temperature and humidity test chamber is generally provided with only one set of temperature and humidity adjusting device inside the box body. The humidity adjustment relies on a large humidifier at the bottom of the box body to improve the humidity by natural diffusion of mist in the box body. The temperature adjustment utilizes the heating mechanism and the cooling mechanism installed on one side of the box body to deliver cold and hot air through the air duct. However, the test products are placed on the shelves in the box, and the shelves will interfere with the air flow generated by the humidifier, heating mechanism and cooling mechanism, resulting in differences in temperature and humidity of the test products on each layer of shelves, and it is difficult to ensure the consistency of the test environment. Moreover, the heating and cooling mechanisms used in the existing test chamber have complex structure and large size, which leads to high production cost. At the same time, the door of the existing test chamber is usually made of ordinary transparent plate, and when the staff observes the changes of the test products through the transparent plate, the transparent plate is prone to fogging in actual use, which seriously affects the observation effect and is not conducive to timely and accurate grasp of the state of the test products.
[0004] Therefore, it is necessary to invent a multilayer constant temperature and humidity test chamber. CONTENT OF THE UTILITY MODEL
[0005] In view of the above problems, the utility model provides a multilayer constant temperature and humidity test chamber, and the technical scheme used is:
[0006] The utility model provides a multilayer constant temperature and humidity test chamber, including sealed box, humidification mechanism, box door, support plate, positioning frame, atomizing nozzle, liquid delivery pipe, fan -shaped nozzle, gas delivery pipe, temperature control mechanism, control panel, temperature sensor and humidity sensor, the lower end of sealed box is fixed with humidification mechanism through bolt, and the outside of sealed box is rotatably installed with box door through hinged rotation, the inside of sealed box is fixed with a plurality of positioning frame through bolt, wherein a plurality of support plates are slidably installed between positioning frame, and the support plate is arranged in array up and down, the output of humidification mechanism is fixed with liquid delivery pipe through joint, and the liquid delivery pipe is fixed in the inside of corresponding positioning frame, the outside of liquid delivery pipe is fixed with a plurality of atomizing nozzles through tee joint, and the atomizing nozzle is arranged between corresponding support plate respectively, the upper end of sealed box is fixed with temperature control mechanism through bolt, and the output of temperature control mechanism is fixed with gas delivery pipe through joint, and the gas delivery pipe is fixed in the inside of corresponding positioning frame respectively, the outside of gas delivery pipe is fixed with a plurality of fan -shaped nozzles through tee joint, and the fan -shaped nozzle is arranged between corresponding support plate respectively, temperature sensor and humidity sensor are arranged between adjacent support plate, and the temperature sensor and humidity sensor are fixed on corresponding positioning frame through bolt, the temperature sensor and humidity sensor are electrically connected with control panel through data line, and the control panel is fixed on the outside of sealed box through bolt.
[0007] Further, the humidification mechanism includes a liquid storage box, a micro water pump and a liquid discharge pipe, the liquid storage box is fixed on the lower end of the sealed box by bolts, and a liquid supplement pipe is fixed on the outside of the liquid storage box; the micro water pump is fixed in the inside of the liquid storage box by bolts, the output end of the micro water pump is connected with the liquid discharge pipe through a joint, and the other end of the liquid discharge pipe is connected with the liquid delivery pipe through a joint, which can improve the humidity in the sealed box by cooperating with the liquid delivery pipe and the atomizing nozzle.
[0008] Further, the box door includes a door body, an observation window, a micro motor, a rotating column, an expansion plate and a wiping strip, the door body is rotatably connected with the sealed box by hinging, and the middle part of the door body is fixed with the observation window; the middle part of the outside of the observation window is fixed with the micro motor by bolts, the output end of the micro motor is fixed with the rotating column, and the rotating column is rotatably connected with the observation window through a support bearing; the other end of the rotating column is fixed with the expansion plate, and the side of the expansion plate is fixed with the wiping strip by screws, and the wiping strip is arranged in close contact with the inside of the observation window; the micro motor is electrically connected with the control panel through a data line, which facilitates the observation of the changes of the test products placed on the tray by the staff.
[0009] Further, the temperature adjusting mechanism comprises a protective shell, a semiconductor refrigerating sheet, a fan, a connecting pipe, an electromagnetic valve and an exhaust pipe, the protective shell is fixed on the upper end of the sealed box through bolts, and the inside of the protective shell is fixed with the semiconductor refrigerating sheet through bolts, wherein the semiconductor refrigerating sheet divides the inner cavity of the protective shell into two cavities, and the cold end and the hot end of the semiconductor refrigerating sheet are arranged in the corresponding cavities; one end of the protective shell is fixed with two fans through bolts, and the other end of the fan is communicated with the two sides of the semiconductor refrigerating sheet respectively; the input end of the connecting pipe is fixed with the protective shell through the electromagnetic valve and communicated with the two sides of the semiconductor refrigerating sheet respectively; the output end of the connecting pipe is connected with the gas conveying pipe through a joint; the outer side of the protective shell is fixed with the exhaust pipe through the electromagnetic valve, and the exhaust pipe is communicated with the cavity of the hot end of the semiconductor refrigerating sheet; the semiconductor refrigerating sheet, the fan and the electromagnetic valve are electrically connected with the control panel through data lines, and the temperature inside the sealed box can be adjusted according to the demand through cooperation with the gas conveying pipe and the fan-shaped nozzle.
[0010] Further, the hot end side and the cold end side of the semiconductor refrigerating sheet are fixed with heat-conducting fins through bolts, and the heat-conducting fins can improve the temperature absorption efficiency of the wind generated by the fan.
[0011] Compared with the prior art, the utility model has the advantages of:
[0012] 1. The utility model discloses a humidity sensor, a temperature sensor, an atomizing nozzle and a fan-shaped nozzle are arranged on each tray, and the atomizing nozzle and the fan-shaped nozzle are connected with corresponding humidifying mechanisms and temperature adjusting mechanisms respectively, so that the test products placed on each tray can be treated at constant temperature and humidity.
[0013] 2. The utility model discloses a box door, when using, the staff can observe the change of the test products placed on the tray through the observation window, and when the observation window is fogged, the micro motor can be started through the control panel, and then the inside of the observation window is wiped and the fog is removed through cooperation of the micro motor, the rotating column, the extension plate and the wiping strip.
[0014] 3. The utility model discloses a temperature adjusting mechanism, which fully utilizes the structural characteristics of the semiconductor refrigerating sheet, utilizes the temperature of the cold end and the hot end of the semiconductor refrigerating sheet to realize hot air and cold air in the sealed box respectively, and realizes the constant temperature effect in the sealed box. DRAWINGS
[0015] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings described in the following description are only some embodiments of the present application, and for the ordinary skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0016] Figure 1 is a structural schematic diagram of the present application.
[0017] Figure 2 is a structural schematic diagram of the humidifying mechanism of the present application.
[0018] Figure 3 is a structural schematic diagram of the door body of the present application.
[0019] Figure 4 is a structural schematic diagram of the micro motor, rotating column and expansion board of the present application.
[0020] Figure 5 is a structural schematic diagram of the temperature adjusting mechanism of the present application. Figure 3
[0021] Figure 6 is a structural schematic diagram of the temperature adjusting mechanism of the present application.
[0022] Figure 7 is a structural schematic diagram of the semiconductor refrigeration sheet and heat dissipation fin of the present application.
[0023] In the drawings:
[0024] 1-sealing box, 2-humidifying mechanism, 21-liquid storage box, 22-micro water pump, 23-drainage pipe, 3-box door, 31-door body, 32-observation window, 33-micro motor, 34-rotating column, 35-expansion board, 36-wiping strip, 4-supporting plate, 5-positioning frame, 6-atomizing nozzle, 7-infusion pipe, 8-fan-shaped nozzle, 9-gas conveying pipe, 10-temperature adjusting mechanism, 101-protective shell, 102-semiconductor refrigeration sheet, 103-fan, 104-connection pipe, 105-solenoid valve, 106-exhaust pipe, 107-heat conduction fin, 11-control panel, 12-temperature sensor, 13-humidity sensor. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the present application.
[0026] In the description of the utility model, it is understood that the terms "upper", "middle", "outer", "inner", "periphery" and the like indicate the orientation or positional relationship, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the components or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.
[0027] Please refer to Figures 1 to 7 The utility model discloses a multilayer constant temperature and humidity test chamber, including sealed box 1, humidification mechanism 2, box door 3, supporting plate 4, positioning frame 5, atomizing nozzle 6, infusion tube 7, fan-shaped nozzle 8, gas pipe 9, temperature regulating mechanism 10, control panel 11, temperature sensor 12 and humidity sensor 13, the lower end of sealed box 1 is fixed with humidification mechanism 2 by bolt, and the outer side of sealed box 1 is rotatably installed with box door 3 by hinging;The inside of sealed box 1 is fixed with a plurality of positioning frames 5 by bolt, wherein a plurality of supporting plates 4 are slidably installed between the positioning frames 5, and the supporting plates 4 are arranged in an array from top to bottom;The output end of humidification mechanism 2 is fixed with infusion tube 7 through connector, and the infusion tube 7 is fixed in the corresponding positioning frame 5;The outer side of infusion tube 7 is fixed with a plurality of atomizing nozzles 6 through tee joint, and the atomizing nozzles 6 are arranged between the corresponding supporting plates 4 respectively;The upper end of sealed box 1 is fixed with temperature regulating mechanism 10 by bolt, wherein the output end of temperature regulating mechanism 10 is fixed with gas pipe 9 through connector, and the gas pipe 9 is fixed in the corresponding positioning frame 5 respectively;The outer side of gas pipe 9 is fixed with a plurality of fan-shaped nozzles 8 through tee joint, and the fan-shaped nozzles 8 are arranged between the corresponding supporting plates 4 respectively;The temperature sensor 12 and humidity sensor 13 are arranged between the adjacent supporting plates 4, wherein the temperature sensor 12 and humidity sensor 13 are fixed on the corresponding positioning frame 5 by bolt;The temperature sensor 12 and humidity sensor 13 are electrically connected with control panel 11 through data line, and the control panel 11 is fixed on the outer side of sealed box 1 by bolt.
[0028] Specifically, humidification mechanism 2 includes liquid storage box 21, micro water pump 22 and liquid discharge pipe 23, liquid storage box 21 is fixed at the lower end of sealed box 1 by bolt, and the outer side of liquid storage box 21 is fixed with liquid supplement pipe;The inside of liquid storage box 21 is fixed with micro water pump 22 by bolt, wherein the output end of micro water pump 22 is fixed with liquid discharge pipe 23 through connector, and the other end of liquid discharge pipe 23 is connected with infusion tube 7 through connector respectively, when using, micro water pump 22 can extract the liquid in the inside of liquid storage box 21, then through the cooperation of liquid discharge pipe 23 and infusion tube 7, the liquid is delivered to the position of atomizing nozzle 6, then the liquid is atomized by atomizing nozzle 6 and discharged to the upper side of supporting plate 4, thereby improving the humidity in the inside of sealed box 1.
[0029] Specifically, the box door 3 comprises a door body 31, an observation window 32, a micro motor 33, a rotating column 34, an expansion plate 35 and a wiping strip 36, the door body 31 is rotatably connected with the sealed box 1 through hinging, and the middle part of the door body 31 is fixed with the observation window 32; the outer side of the middle part of the observation window 32 is fixed with the micro motor 33 through a bolt, wherein the output end of the micro motor 33 is fixed with the rotating column 34, the rotating column 34 is rotatably connected with the observation window 32 through a supporting bearing; the other end of the rotating column 34 is fixed with the expansion plate 35, the side of the expansion plate 35 is fixed with the wiping strip 36 through a screw, and the wiping strip 36 is arranged in close contact with the inner side of the observation window 32; the micro motor 33 is electrically connected with the control panel 11 through a data line, when in use, the worker can observe the change of the test product placed on the tray 4 through the observation window 32, in addition, when the observation window 32 is fogged, the micro motor 33 can be started through the control panel 11, the micro motor 33 drives the expansion plate 35 to move correspondingly through the rotating column 34, and then the wiping strip 36 wipes the inner side of the observation window 32 to remove the fog.
[0030] Specifically, the temperature control mechanism 10 includes a protective shell 101, a thermoelectric cooler 102, a fan 103, a connecting pipe 104, a solenoid valve 105, and an exhaust pipe 106. The protective shell 101 is fixed to the upper end of the sealed box 1 by bolts, and the thermoelectric cooler 102 is fixed inside the protective shell 101 by bolts. The thermoelectric cooler 102 divides the inner cavity of the protective shell 101 into two cavities, and the cold end and hot end of the thermoelectric cooler 102 are respectively located in the corresponding cavities. Two fans 103 are fixed to one end of the protective shell 101 by bolts. The other end of fan 103 is connected to both sides of thermoelectric cooler 102; the input end of connecting pipe 104 is fixed to protective shell 101 via solenoid valve 105 and is connected to both sides of thermoelectric cooler 102; the output end of connecting pipe 104 is connected to air supply pipe 9 via connector; an exhaust pipe 106 is fixed to the outer side of protective shell 101 via solenoid valve 105, wherein exhaust pipe 106 is connected to the cavity of hot end of thermoelectric cooler 102; thermoelectric cooler 102, fan 103 and solenoid valve 105 are all connected to control panel 11 via data cable. Electrically connected, when it is necessary to increase the temperature inside the sealed chamber 1, the corresponding fan 103 and thermoelectric cooler can be activated, and the solenoid valve 105 communicating with the hot end cavity of the thermoelectric cooler 102 can be opened separately. At this time, the air force generated by the fan 103 transports the temperature generated by the hot end of the thermoelectric cooler 102 to the connecting pipe 104, and then to the inside of the sealed chamber 1 through the air supply pipe 9 and the fan-shaped nozzle 8, thereby increasing the temperature inside the sealed chamber 1. Secondly, when it is necessary to decrease the temperature inside the sealed chamber 1, all the fans 103 and thermoelectric coolers can be activated. The thermoelectric cooler 102 is activated, and the solenoid valve 105 connected to the cold end cavity of the thermoelectric cooler 102 and the exhaust pipe 106 is opened. At this time, the air force generated by one of the fans 103 transports the temperature generated by the cold end of the thermoelectric cooler 102 to the connecting pipe 104, and then to the inside of the sealed box 1 through the air supply pipe 9 and the fan-shaped nozzle 8, thereby reducing the temperature inside the sealed box 1. At the same time, the other fan 103 transports the temperature generated by the hot end of the thermoelectric cooler 102 to the exhaust pipe 106 and discharges it through the exhaust pipe 106.
[0031] Specifically, both the hot and cold ends of the thermoelectric cooler 102 are fixed with heat-conducting fins 107 by bolts. When in use, the heat-conducting fins 107 can conduct the temperature of the hot and cold ends of the thermoelectric cooler 102, thereby improving the temperature absorption efficiency of the wind force generated by the fan 103.
[0032] Please see Figures 1-7As shown, the utility model is a kind of multilayer constant temperature and humidity test chamber, and its working principle is as follows: when using, test product can be placed on the supporting plate 4, then the box door 3 is closed, in the use process, temperature sensor 12 and humidity sensor 13 can detect the humidity and temperature inside the sealed box 1, and data is transmitted to control panel 11, control panel 11 can control humidification mechanism 2 and temperature adjusting mechanism 10 corresponding work according to data, corresponding humidity can be provided for test product by the cooperative work of humidification mechanism 2, infusion tube 7 and atomizing nozzle 6, corresponding temperature can be provided for test product by the cooperative work of temperature adjusting mechanism 10, gas delivery pipe 9 and fan-shaped nozzle 8, in addition, workers can observe the change of test product through the box door 2.
[0033] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, and the utility model is not limited to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.
Claims
1. A multi-layer constant temperature and humidity test chamber, comprising a sealed chamber (1), a humidification mechanism (2), a chamber door (3), a tray (4), a positioning frame (5), an atomizing nozzle (6), an infusion pipe (7), a fan-shaped nozzle (8), an air infusion pipe (9), a temperature control mechanism (10), a control panel (11), a temperature sensor (12), and a humidity sensor (13), characterized in that: The lower end of the sealed box (1) is fixed with a humidifying mechanism (2), and a box door (3) is rotatably installed on the outer side of the sealed box (1); several positioning frames (5) are fixed inside the sealed box (1), and several trays (4) are slidably installed between the positioning frames (5), and the trays (4) are arranged in an array above and below; an infusion tube (7) is fixed at the output end of the humidifying mechanism (2), and the infusion tube (7) is fixed inside the corresponding positioning frame (5); several atomizing nozzles (6) are fixed on the outer side of the infusion tube (7), and the atomizing nozzles (6) are respectively arranged between the corresponding trays (4); a temperature regulating mechanism (10) is fixed at the upper end of the sealed box (1), and the temperature regulating mechanism (10) is arranged in an array above the outer side of the sealing box (1). The output end of 10) is fixed with an air supply pipe (9), wherein the air supply pipe (9) is fixed inside the corresponding positioning frame (5); a number of fan-shaped nozzles (8) are fixed on the outer side of the air supply pipe (9), and the fan-shaped nozzles (8) are respectively set between the corresponding support plates (4); a temperature sensor (12) and a humidity sensor (13) are set between adjacent support plates (4), wherein the temperature sensor (12) and the humidity sensor (13) are fixed on the corresponding positioning frame (5); the temperature sensor (12) and the humidity sensor (13) are electrically connected to the control panel (11) through a data cable, wherein the control panel (11) is fixed on the outer side of the sealed box (1).
2. The multi-layer constant temperature and humidity test chamber as described in claim 1, characterized in that: The humidification mechanism (2) includes a liquid storage box (21), a micro water pump (22) and a drain pipe (23). The liquid storage box (21) is fixed at the lower end of the sealed box (1), and a replenishment pipe is fixed on the outer side of the liquid storage box (21). The micro water pump (22) is fixed inside the liquid storage box (21), and the output end of the micro water pump (22) is fixed with a drain pipe (23). The other end of the drain pipe (23) is connected to the infusion pipe (7).
3. A multi-layer constant temperature and humidity test chamber as described in claim 1, characterized in that: The door (3) includes a door body (31), an observation window (32), a micro motor (33), a rotating column (34), an extension plate (35), and a wiping strip (36). The door body (31) is rotatably connected to the sealed box (1), and an observation window (32) is fixed in the middle of the door body (31). A micro motor (33) is fixed on the outer side of the middle of the observation window (32), and a rotating column (34) is fixed at the output end of the micro motor (33). The rotating column (34) is rotatably connected to the observation window (32). An extension plate (35) is fixed at the other end of the rotating column (34), and a wiping strip (36) is fixed on the side of the extension plate (35). The wiping strip (36) is fitted to the inner side of the observation window (32). The micro motor (33) is electrically connected to the control panel (11) via a data cable.
4. A multi-layer constant temperature and humidity test chamber as described in claim 1, characterized in that: The temperature control mechanism (10) includes a protective shell (101), a thermoelectric cooler (102), a fan (103), a connecting pipe (104), a solenoid valve (105), and an exhaust pipe (106). The protective shell (101) is fixed to the upper end of the sealed box (1), and the thermoelectric cooler (102) is fixed inside the protective shell (101). The thermoelectric cooler (102) divides the inner cavity of the protective shell (101) into two cavities, and the cold end and the hot end of the thermoelectric cooler (102) are respectively located in the corresponding cavities. Two fans (103) are fixed to one end of the protective shell (101), and the other end of the fans (103) are divided into two parts. The connection tube (104) is connected to both sides of the semiconductor cooling chip (102); the input end of the connection tube (104) is fixed to the protective shell (101) through the solenoid valve (105) and is connected to both sides of the semiconductor cooling chip (102); the output end of the connection tube (104) is connected to the gas supply pipe (9); the outer side of the protective shell (101) is fixed with an exhaust pipe (106) through the solenoid valve (105), wherein the exhaust pipe (106) is connected to the cavity of the hot end of the semiconductor cooling chip (102); the semiconductor cooling chip (102), the fan (103) and the solenoid valve (105) are all electrically connected to the control panel (11) through a data cable.
5. A multi-layer constant temperature and humidity test chamber as described in claim 4, characterized in that: The hot end side and cold end side of the semiconductor cooling chip (102) are both fixed with heat-conducting fins (107).