CN112354569B - Multipurpose temperature and humidity test box - Google Patents
Multipurpose temperature and humidity test box Download PDFInfo
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- CN112354569B CN112354569B CN202011083453.7A CN202011083453A CN112354569B CN 112354569 B CN112354569 B CN 112354569B CN 202011083453 A CN202011083453 A CN 202011083453A CN 112354569 B CN112354569 B CN 112354569B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L1/00—Enclosures; Chambers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L7/00—Heating or cooling apparatus; Heat insulating devices
Abstract
The invention belongs to a multipurpose temperature and humidity test box which comprises an evaporator and an electrothermal heater, wherein a control system comprises a processor, a temperature sensor, a humidity sensor and a solenoid valve, and further comprises a test room, two circulating air channels are symmetrically arranged on the left and right sides of the rear side of the test room, an air circulating fan, the evaporator, the electrothermal heater and a moisture input pipe are arranged in the two circulating air channels, a first mounting groove is formed in the center of the test room, a heat insulation component is connected to the first mounting groove in a sliding manner, the heat insulation component comprises a heat insulation plate, slide rails are arranged on the periphery of the heat insulation plate, the heat insulation plate is fixedly connected with an elastic heat insulation sealing gasket, the test room is connected with a test room cabin door, and the test room cabin door is provided with a second mounting groove; the invention can detect a larger test piece, can be isolated into two small test chambers, can test the test pieces under two different test conditions, improves the utilization rate of the large-volume temperature and humidity test chamber, improves the test efficiency, saves energy, protects environment and reduces energy waste.
Description
Technical Field
The invention belongs to the technical field of detection equipment, and particularly relates to a multipurpose temperature and humidity test chamber.
Background
High and low temperature test chambers have been widely used in various fields and industries in the modern industry. The device can be used for carrying out tests such as high-low temperature work, high-low temperature storage, temperature circulation and the like, and verifying the environmental adaptability and reliability of the product. The conventional high-low temperature test box only has one test area, so the conventional high-low temperature test box only has single-process test capability: that is, only one test condition (a process) can be operated in a specified time, that is, only one temperature value (a high temperature value or a low temperature value) can be set in the test chamber at a specified time, so that, because the volume of the test piece is large or small, for the temperature and humidity test chamber with a large volume, no matter the test piece is large or small, only one test piece can be sequentially carried out if the test conditions are different, and when the test is carried out on the small test piece, not only is the energy waste caused by the large volume of the equipment and the temperature rise and drop, but also the utilization rate of the land per unit area is undoubtedly reduced by the large-equipment test piece, so that contradiction exists between the investment for purchasing large-scale test equipment and the utilization rate, and the waste of the resources is undoubtedly caused, therefore, how to improve the utilization rate of the large-volume temperature and humidity test chamber and improve the test efficiency, the energy conservation, environmental protection and energy waste reduction become problems to be solved.
Disclosure of Invention
The purpose of the invention is: aim at providing a multi-purpose temperature humidity test box, can detect great test piece, the temperature and the humidity difference in the dual cycle wind channel makes the test room is less, test temperature's precision is higher, can keep apart into two little test rooms simultaneously, test the test piece of the test condition of two differences simultaneously, promote the rate of utilization of big volume temperature humidity test box, promote test efficiency, it is extravagant to energy-concerving and environment-protective reduction energy, and the structure installation dismantlement is simple, and convenient for operation, convenient to use.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a multipurpose temperature and humidity test box comprises a test room, an equipment room, an electric room, a refrigerating system, a heating system, a humidifying system and a control system, wherein the refrigerating system comprises a compressor, a condenser, a liquid storage device and an evaporator, the heating system comprises an electric heating type heater, the control system comprises a processor, a temperature sensor and a humidity sensor, the temperature sensor and the humidity sensor are arranged inside the test room, two circulating air channels are symmetrically arranged on the left and right sides of the rear side of the test room, an air circulating fan, the evaporator, the electric heating type heater and a moisture input pipe are arranged in the two circulating air channels, a first mounting groove is arranged at the center of the test room and divides the test room into a left chamber and a right chamber, a heat insulation component is connected with the first mounting groove in a sliding manner and comprises a heat insulation plate, and slide rails corresponding to the first mounting groove are arranged on the periphery of the heat insulation plate, the left side and the right side of the heat insulation plate are symmetrically and fixedly connected with a circle of elastic heat insulation sealing gaskets, the laboratory is rotatably connected with a laboratory cabin door, the laboratory cabin door is provided with a second installation groove matched with the heat insulation plate, and the inner walls of the first installation groove and the second installation groove are both formed by vacuum heat insulation plates;
temperature sensor and humidity transducer quantity are the dual, just the temperature sensor symmetry is in first mounting groove both sides, the humidity transducer symmetry is in first mounting groove both sides, two the evaporimeter all is connected with first solenoid valve, compressor, condenser, reservoir are end to end connection in proper order, parallelly connected with two evaporimeters between compressor and the reservoir, first solenoid valve sets up between reservoir and evaporimeter, two the moisture input tube all is connected with the second solenoid valve, two the second solenoid valve all is connected with same humidification system, treater power output end is connected with electric heat heater, first solenoid valve and second solenoid valve electricity, treater signal input part and temperature sensor and humidity transducer signal connection.
By adopting the technical scheme of the invention, the two circulating air channels are respectively provided with the air circulating fan, the evaporator, the electric heating heater and the moisture input pipe, so that the temperature and the humidity can be regulated and controlled in each circulating air channel by the control of the processor; the first mounting groove, the second mounting groove and the slide rail are arranged to fix the heat insulation plate and facilitate mounting and dismounting of the heat insulation plate; the elastic heat-insulating sealing gasket seals gaps between the heat-insulating plate and the doors of the test room and the test room, and prevents the left and right chambers divided by the heat-insulating plate from performing heat exchange and air circulation; the inner walls of the first mounting groove and the second mounting groove are both formed by vacuum insulation boards, so that the temperature can be prevented from being transferred by the inner walls of the doors of the test room and the test room; the quantity of the temperature sensors and the quantity of the humidity sensors are even, and the temperature sensors and the humidity sensors can be uniformly distributed on two sides of the first mounting groove, so that the temperature and the humidity on the left side and the right side can be conveniently detected; the compressor, the liquid storage device and the condenser are sequentially connected end to end, the compressor and the liquid storage device are connected in parallel with the two evaporators, so that a set of refrigerating system can refrigerate the left cavity and the right cavity, the processor controls the refrigeration of each cavity by controlling the first electromagnetic valve, the cost is saved, the first electromagnetic valve is arranged between the liquid storage device and the evaporator 112, the evaporator 112 can be prevented from automatically refrigerating by closing the first electromagnetic valve, the energy waste is reduced, and the temperature adjusting accuracy can be ensured; the two moisture input pipes are connected with second electromagnetic valves, and the two second electromagnetic valves are connected with the same humidification system, so that the processor can select to humidify the left chamber and the right chamber arbitrarily by controlling the on-off of the second electromagnetic valves, and the cost is saved; the invention can detect a larger test piece, can be isolated into two small test chambers, can test the test pieces under two different test conditions, improves the utilization rate of the large-volume temperature and humidity test chamber, improves the test efficiency, saves energy, protects environment, reduces energy waste, and has simple structure installation and disassembly, convenient operation and convenient use.
Further inject, the heat insulating board left and right sides symmetry fixedly connected with a set of first gusset plate, every group first gusset plate equal symmetry lies in heat insulating board front and back both sides, and is located the square circle that the sealed pad of elasticity heat insulation encloses, every group equal sliding connection has two second gusset plates, two between the first gusset plate the second gusset plate lies in the heat insulating board both sides from top to bottom, the bilateral symmetry that the second gusset plate was back to the heat insulating board one side is equipped with the shelves pole, the laboratory rear side the first mounting groove left and right sides be equipped with respectively two with the first briquetting subassembly of shelves pole assorted of second gusset plate rear side, the second mounting groove left and right sides be equipped with respectively two with the second briquetting subassembly of shelves pole assorted of second gusset plate front side. With the structure, when the laboratory cabin door is buckled with a laboratory, the laboratory cabin door and the rear side of the laboratory are matched with the corresponding first reinforcing plates to extrude the elastic heat-insulating sealing gasket, so that the elastic heat-insulating sealing gasket fills gaps between the laboratory cabin door and the rear side of the laboratory and the corresponding first reinforcing plates, and simultaneously the stop lever on the second reinforcing plate is extruded with the corresponding first pressing block assembly or the second pressing block assembly, so that the second reinforcing plate extrudes the elastic heat-insulating sealing gasket to fill gaps between the heat-insulating plate and the upper surface and the lower surface of the laboratory, when the laboratory cabin door is not closed, the elastic heat-insulating sealing gasket has elasticity, the elastic heat-insulating sealing gasket is not tightly contacted with the laboratory cabin door and the laboratory, the sliding installation or disassembly of the heat-insulating plate is convenient, and the heat-insulating plate can be better sealed with the laboratory cabin door through the action of closing the laboratory cabin door, the left and right chambers can work independently without exchanging temperature and humidity, so that the heat insulation plate is convenient to mount and has good sealing property.
Further limiting, the first pressing block assembly comprises a support and a pressing wheel matched with the blocking rod, the pressing wheel is rotatably connected with the support, and the first pressing block assembly and the second pressing block assembly are identical in structure. According to the structure, the pinch roller is matched with the blocking rod, so that the friction resistance between the first pressing block assembly and the blocking rod is reduced, the laboratory cabin door can be conveniently closed, the operation is convenient, the abrasion of the structure is reduced, and the service life is prolonged.
Further inject, first gusset plate is equipped with T type spout, second gusset plate both sides are equipped with the T type slider with T type spout assorted. By means of the structure, the second reinforcing plate can only move up and down relative to the first reinforcing plate, the elastic heat-insulating sealing gasket is extruded uniformly by the second reinforcing plate, and the heat-insulating plate can be better sealed with a laboratory and a laboratory cabin door.
Further inject, from last to being air cycle fan, evaporimeter, electric heat formula heater and moisture input tube down in proper order in the circulation wind channel, air cycle fan is located circulation wind channel upper end exit. The structure is simple and reasonable, and is convenient to install.
Further defined, the insulation panel is formed from a vacuum insulation panel. The structure ensures that the heat insulation board has good heat insulation capability.
Further, the electric heater is a nichrome electric heating heater. The structure is stable and has long service life.
Further, two observation windows are symmetrically arranged on the left side and the right side of the laboratory door relative to the second installation groove. The structure is convenient for observing the conditions of two sides of the laboratory.
Further limiting, the tail end of the blocking rod is sleeved with an anti-skidding soft cushion. With the structure, the heat insulation component can be horizontally placed upside down when not used, and damage is prevented.
Compared with the prior art, the invention has the following advantages:
1. the temperature and humidity test box has the advantages that the volume for detection is large, the test volume range is wider, the test box can be isolated into two small test chambers, test pieces with two different test conditions can be tested, the utilization rate of the large-volume temperature and humidity test box is improved, the test efficiency is improved, energy is saved, the environment is protected, and the energy waste is reduced;
2. when the temperature and humidity test box is used for testing a large test piece, the heat insulation assembly is disassembled, the first electromagnetic valve and the second electromagnetic valve are opened, and when the test box works, because the two circulating air channels have the same structure and are distributed on two sides, the formed air channels are stable, the temperature and humidity are transmitted quickly and are distributed more uniformly, the temperature and humidity difference in a test room is small, and the precision of the test temperature is higher;
3. the first mounting groove, the second mounting groove and the slide rail are arranged, so that the heat insulation plate can be fixed, and the heat insulation plate is convenient to mount and dismount; the elastic heat-insulating sealing gasket seals gaps between the heat-insulating plate and the doors of the test room and the test room, and prevents the left and right chambers divided by the heat-insulating plate from performing heat exchange and air circulation; the inner walls of the first mounting groove and the second mounting groove are both formed by vacuum insulation boards, so that the temperature can be prevented from being transferred by the inner walls of the doors of the test room and the test room; therefore, the heat insulation and the sealing performance of the heat insulation assembly are very good, and the mutual interference of the temperature and the humidity of the left chamber and the right chamber is prevented;
4. the compressor, the liquid storage device and the condenser are sequentially connected end to end, and the compressor and the liquid storage device are connected in parallel with the two evaporators, so that a set of refrigerating system can refrigerate the left cavity and the right cavity, the processor controls the refrigeration of each cavity by controlling the first electromagnetic valve, the cost is saved, the control is convenient, the first electromagnetic valve is arranged between the liquid storage device and the evaporator, the first electromagnetic valve is closed, the evaporators can be prevented from automatically refrigerating, and the energy waste is reduced;
5. the two moisture input pipes are connected with the second electromagnetic valves, and the two second electromagnetic valves are connected with the same humidification system, so that the processor can select to humidify the left chamber and the right chamber arbitrarily by controlling the on-off of the second electromagnetic valves, the cost is saved, and the control is convenient;
6. the second reinforcing plate is connected with the first reinforcing plate in a sliding mode, and the first pressing block assembly, the second pressing block assembly and the blocking rod are matched, so that when the cabin door of the test room is not closed, the elastic heat insulation sealing gasket has elasticity, the elastic heat insulation sealing gasket is not tightly contacted with the cabin door of the test room and the test room, the sliding installation or disassembly of the heat insulation plate is facilitated, the heat insulation plate can be better sealed with the cabin door of the test room and the cabin door of the test room through the action of closing the cabin door of the test room, the left cavity and the right cavity can work independently, the temperature and humidity exchange is not carried out, the heat insulation plate can be installed conveniently, and the sealing performance is good;
7. the pinch roller is matched with the blocking rod, so that the frictional resistance between the first pressing block assembly and the blocking rod is reduced, the cabin door of the test room can be conveniently closed, the operation is convenient, the abrasion of the structure is reduced, and the service life is prolonged;
drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a first schematic structural diagram of a multipurpose temperature and humidity test chamber according to an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
FIG. 4 is a second schematic structural diagram of an embodiment of a multipurpose temperature and humidity test chamber according to the present invention;
FIG. 5 is an enlarged view of the structure at C in FIG. 4;
FIG. 6 is a schematic cross-sectional view of a circulating air duct of an embodiment of a multipurpose temperature and humidity test chamber according to the present invention;
the main element symbols are as follows:
the test room 1, the circulating air duct 11, the air circulating fan 111, the evaporator 112, the electric heater 113, the moisture input pipe 114, the first installation groove 12, the first pressing block assembly 121, the bracket 1211, the pressing wheel 1212, the electric room 2, the heat insulation board 31, the sliding rail 32, the elastic heat insulation sealing gasket 33, the first reinforcing board 34, the T-shaped sliding groove 341, the second reinforcing board 35, the stop rod 351, the anti-slip cushion 352, the test room door 4, the second installation groove 41, the second pressing block assembly 411 and the observation window 42.
Detailed Description
In order that those skilled in the art can better understand the present invention, the following technical solutions are further described with reference to the accompanying drawings and examples.
As shown in fig. 1-6, the multipurpose temperature and humidity test chamber of the present invention comprises a test chamber 1, an equipment chamber, an electrical room 2, a refrigeration system, a heating system, a humidification system and a control system, wherein the refrigeration system comprises a compressor, a condenser, a liquid storage device and an evaporator 112, the heating system comprises an electric heater 113, the control system comprises a processor, a temperature sensor and a humidity sensor, the temperature sensor and the humidity sensor are arranged in the test chamber 1, two circulation air ducts 11 are symmetrically arranged at the rear side of the test chamber 1, an air circulation fan 111, the evaporator 112, the electric heater 113 and a moisture input pipe 114 are arranged in each of the two circulation air ducts 11, a first installation groove 12 is arranged at the center of the test chamber 1, the test chamber 1 is divided into a left chamber and a right chamber by the first installation groove 12, a heat insulation component is slidably connected to the first installation groove 12, the heat insulation component comprises a heat insulation board 31, the periphery of the heat insulation plate 31 is provided with a slide rail 32 corresponding to the first installation groove 12, the left side and the right side of the heat insulation plate 31 are symmetrically and fixedly connected with a circle of elastic heat insulation sealing gasket 33, the laboratory 1 is rotatably connected with a laboratory cabin door 4, the laboratory cabin door 4 is provided with a second installation groove 41 matched with the heat insulation plate 31, and the inner walls of the first installation groove 12 and the second installation groove 41 are both formed by vacuum heat insulation plates;
temperature sensor and humidity transducer quantity are the logarithm, and the temperature sensor symmetrical position is in first mounting groove 12 both sides, the humidity transducer symmetrical position is in first mounting groove 12 both sides, two evaporimeter 112 all are connected with first solenoid valve, a compressor, a condenser, the reservoir is end to end connection in proper order, parallelly connected with two evaporimeter 112 between compressor and the reservoir, first solenoid valve sets up between reservoir and evaporimeter 112, two moisture input tubes 114 all are connected with the second solenoid valve, two second solenoid valves all are connected with same humidification system, treater power output end and electric heat formula heater 113, first solenoid valve and second solenoid valve electricity are connected, treater signal input part and temperature sensor and humidity transducer signal connection.
By adopting the technical scheme of the invention, the two circulating air ducts 11 are internally provided with the air circulating fan 111, the evaporator 112, the electric heating heater 113 and the moisture input pipe 114, so that the temperature and the humidity can be regulated and controlled in each circulating air duct 11 through the control of the processor; the first installation groove 12, the second installation groove 41 and the heat insulation plate 31 are matched, so that the test room 1 can be divided into a left chamber and a right chamber, and the first installation groove 12, the second installation groove 41 and the slide rail 32 can fix the heat insulation plate 31 and facilitate installation and disassembly of the heat insulation plate 31; the elastic heat insulation sealing gasket 33 seals gaps between the heat insulation plate 31 and the test chamber 1 and the test chamber door 4, and prevents the heat exchange and the air circulation of the left and right chambers divided by the heat insulation plate 31; the inner walls of the first installation groove 12 and the second installation groove 41 are both formed by vacuum insulation boards, so that the temperature can be prevented from being transmitted by the inner walls of the laboratory 1 and the laboratory door 4; the number of the temperature sensors and the number of the humidity sensors are both even, and the temperature sensors and the humidity sensors can be uniformly distributed on two sides of the first mounting groove 12, so that the temperature and the humidity on the left side and the right side can be conveniently detected; the compressor, the liquid storage device and the condenser are sequentially connected end to end, the compressor and the liquid storage device are connected in parallel with the two evaporators 112, a set of refrigerating system can refrigerate the left cavity and the right cavity, the processor controls the refrigeration of each cavity through controlling the first electromagnetic valve, the cost is saved, the first electromagnetic valve is arranged between the liquid storage device and the evaporators 112, the evaporators 112 can be prevented from automatically refrigerating due to the fact that the first electromagnetic valve is closed, energy waste is reduced, and the accuracy of temperature adjustment can be guaranteed; the two moisture input pipes 114 are connected with second electromagnetic valves, and the two second electromagnetic valves are connected with the same humidification system, so that the processor can select to humidify the left chamber and the right chamber arbitrarily by controlling the on-off of the second electromagnetic valves; the invention can detect a larger test piece, can be isolated into two small test chambers, can test the test piece under two different test conditions, improves the utilization rate of the large-volume temperature and humidity test box, improves the test efficiency, saves energy, protects environment, reduces energy waste, and has simple structure installation and disassembly, convenient operation and convenient use.
Preferably, the left and right sides of the heat insulation plate 31 are symmetrically and fixedly connected with a group of first reinforcing plates 34, each group of first reinforcing plates 34 are symmetrically arranged on the front side and the rear side of the heat insulation plate 31 and are located in a square ring surrounded by the elastic heat insulation sealing gasket 33, two second reinforcing plates 35 are slidably connected between each group of first reinforcing plates 34, the two second reinforcing plates 35 are arranged on the upper side and the lower side of the heat insulation plate 31, two baffle rods 351 are symmetrically arranged on the second reinforcing plates 35 opposite to the two sides of one surface of the heat insulation plate 31, the left and right sides of the first installation groove 12 on the rear side of the test chamber 1 are respectively provided with two first pressing block assemblies 121 matched with the baffle rods 351 on the rear side of the second reinforcing plates 35, and the left and right sides of the second installation groove 41 are respectively provided with two second pressing block assemblies 411 matched with the baffle rods 351 on the front side of the second reinforcing plates 35. With the structure, when the laboratory door 4 is buckled with the laboratory 1, the rear sides of the laboratory door 4 and the laboratory 1 are matched with the corresponding first reinforcing plates 34 to extrude the elastic heat-insulating sealing gasket 33, so that the elastic heat-insulating sealing gasket 33 can fill the gap between the laboratory door 4 and the rear side of the laboratory 1 and the corresponding first reinforcing plates 34, meanwhile, the stop rod 351 on the second reinforcing plate 35 is extruded with the corresponding first pressing block assembly 121 or second pressing block assembly 411, so that the second reinforcing plate 35 extrudes the elastic heat-insulating sealing gasket 33 to fill the gap between the heat-insulating plate 31 and the upper and lower surfaces of the laboratory 1, when the laboratory door 4 is not closed, because the elastic heat-insulating sealing gasket 33 has elasticity, the elastic heat-insulating sealing gasket 33 is not tightly contacted with the laboratory door 4 and the laboratory 1, the sliding installation or disassembly of the heat-insulating plate 31 is facilitated, and the door 4 of the laboratory is closed, the heat insulation plate 31 can be better sealed with the laboratory 1 and the laboratory cabin door 4, the left cavity and the right cavity can work independently, temperature and humidity exchange is not carried out, the heat insulation plate 31 can be conveniently installed, and the heat insulation plate has good sealing performance.
Preferably, the first pressing block assembly 121 comprises a bracket 1211 and a pressing wheel 1212 matched with the blocking rod 351, the pressing wheel 1212 is rotatably connected with the bracket 1211, and the first pressing block assembly 121 and the second pressing block assembly 411 have the same structure. By means of the structure, the pinch roller 1212 is matched with the blocking rod 351, friction resistance between the first pressing block assembly 121 and the blocking rod 351 is reduced, the laboratory door 4 can be conveniently closed, operation is facilitated, abrasion of the structure is reduced, and the service life is prolonged. In fact, it is also possible to envisage using, as the case may be, a compact of other shape, facilitating the closing of the laboratory door 4.
Preferably, the first reinforcing plate 34 is provided with a T-shaped sliding groove 341, and two sides of the second reinforcing plate 35 are provided with T-shaped sliding blocks matched with the T-shaped sliding groove 341. The structure enables the second reinforcing plate 35 to only translate up and down relative to the first reinforcing plate 34, so that the second reinforcing plate 35 uniformly extrudes the elastic heat-insulating sealing gasket 33, and the heat-insulating plate 31 can be better sealed with the laboratory 1 and the laboratory door 4. In fact, dovetail grooves may also be used as the case may be.
Preferably, the circulating air duct 11 is internally provided with an air circulating fan 111, an evaporator 112, an electric heater 113 and a moisture input pipe 114 from top to bottom in sequence, and the air circulating fan 111 is positioned at an outlet at the upper end of the circulating air duct 11. The structure is simple and reasonable, and is convenient to install.
Preferably, the insulation panel 31 is constituted by a vacuum insulation panel. With such a structure, the heat insulation plate 31 has good heat insulation capability. In fact, other insulating structures may be used as the case may be.
Preferably, the electric heater 113 is a nichrome electric heating heater. The structure is stable and has long service life. In fact, other heating configurations may be used as the case may be.
Preferably, the laboratory hatch 4 is provided with two observation windows 42 symmetrically at left and right sides with respect to the second installation groove 41. With such a structure, it is convenient to observe the conditions of both sides of the laboratory 1.
Preferably, the end of the blocking rod 351 is sleeved with an anti-slip soft pad 352. With the structure, the heat insulation component can be horizontally placed upside down when not used, and damage is prevented. In fact, other types of protective pads may be used as the case may be.
The working principle is as follows:
when a large test piece is tested, the heat insulation assembly is detached, the processor opens the first electromagnetic valve and the second electromagnetic valve, only the temperature sensor and the humidity sensor on any one side of the first mounting groove 12 are identified, whether the refrigerating system, the heating system and the humidifying system work or not is judged by comparing the numerical values detected by the temperature sensor and the humidity sensor with preset test parameter values, at the moment, the two first electromagnetic valves and the second electromagnetic valve are opened simultaneously, the two circulating air ducts 11 work synchronously, the temperature and the humidity of the test chamber 1 are adjusted, and the two circulating air ducts 11 are the same in structure and distributed on two sides, so that the formed air ducts are stable, the temperature and the humidity are transferred quickly and are distributed more uniformly, the temperature and the humidity difference in the test chamber 1 is small, and the test temperature precision is higher;
when two test pieces with different test conditions need to be tested, the slide rail 32 in the heat insulation assembly is matched with the first mounting groove 12 to enable the heat insulation assembly to slide into the test chamber 1, the test pieces are placed in the left chamber and the right chamber, the chamber door 4 of the test chamber is closed, the rear sides of the chamber door 4 of the test chamber and the test chamber 1 are matched with the corresponding first reinforcing plate 34 to extrude the elastic heat insulation sealing gasket 33, so that the elastic heat insulation sealing gasket 33 fills gaps between the chamber door 4 of the test chamber and the rear side of the test chamber 1 and the corresponding first reinforcing plate 34, meanwhile, the stop rod 351 on the second reinforcing plate 35 is extruded with the corresponding first pressing block assembly 121 or second pressing block assembly 411, the second reinforcing plate 35 extrudes the elastic heat insulation sealing gasket 33 to fill gaps between the heat insulation plate 31 and the upper surface and the lower surface of the test chamber 1, corresponding test parameters are recorded through the control system, and the control system respectively detects the temperature sensors and the humidity sensors on the two sides, and comparing with the recorded test parameters, controlling the refrigeration system, the heating system and the humidification system to work, when the temperature or humidity parameter in any corresponding chamber is the same as the recorded test parameter, closing the corresponding first electromagnetic valve or second electromagnetic valve, the refrigeration system, the heating system or the humidification system continues to work until the two chambers simultaneously meet the preset value, the processor cuts off the power supply of the corresponding refrigeration system, the heating system or the humidification system, when the temperature sensor or the humidity sensor detects that the data of any chamber is deviated from the preset value, starting the corresponding refrigeration system, the heating system or the humidification system, the first electromagnetic valve and the second electromagnetic valve to work, for example, the humidity of the chamber on the left side reaches the preset value, and the right side does not reach, closing the corresponding second electromagnetic valve on the left side, and continuing to humidify the chamber on the right side until the humidity of the two chambers both reaches the preset value, the humidifying system is closed, the humidity sensor continues to detect information, and when the humidity detected by the left humidity sensor is lower than a preset value, the humidifying system and the second electromagnetic valve of the left chamber are opened to adjust the humidity of the chamber.
The invention has the advantages that the detection volume is large, the test volume range is wider, in addition, when the whole test is carried out in the test room, the temperature and humidity transmission is fast and the distribution is more uniform, the temperature and humidity difference in the test room is smaller, and the test temperature precision is higher; meanwhile, the test device can be isolated into two small test chambers, test pieces with two different test conditions can be tested at the same time, the utilization rate of the large-volume temperature and humidity test box is improved, the test efficiency is improved, energy is saved, the environment is protected, and energy waste is reduced; the first mounting groove, the second mounting groove and the slide rail are arranged, so that the heat insulation plate can be fixed, and the heat insulation plate is convenient to mount and dismount; the elastic heat-insulating sealing gasket seals gaps between the heat-insulating plate and the doors of the test room and the test room, and prevents the left and right chambers divided by the heat-insulating plate from performing heat exchange and air circulation; the inner walls of the first mounting groove and the second mounting groove are both formed by vacuum insulation boards, so that the temperature can be prevented from being transferred by the inner walls of the doors of the test room and the test room; therefore, the heat insulation and the sealing performance of the heat insulation assembly are very good, and the mutual interference of the temperature and the humidity of the left chamber and the right chamber is prevented; through compressor, reservoir, condenser end to end connection in proper order, parallelly connected with two evaporimeters between compressor and the reservoir for one set of refrigerating system can refrigerate two cavities about, and make the treater through the refrigeration of controlling each cavity of first solenoid valve, not only practice thrift the cost, and control is convenient.
The foregoing embodiments are merely illustrative of the principles of the present invention and its efficacy, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A multi-purpose temperature and humidity test chamber comprises a test chamber (1), an equipment chamber, an electric chamber (2), a refrigeration system, a heating system, a humidification system and a control system, wherein the refrigeration system comprises a compressor, a condenser, a liquid storage device and an evaporator (112), the heating system comprises an electric heating type heater (113), the control system comprises a processor, a temperature sensor and a humidity sensor, and the temperature sensor and the humidity sensor are arranged inside the test chamber (1), and the multi-purpose temperature and humidity test chamber is characterized in that: the test room is characterized in that two circulating air ducts (11) are symmetrically arranged on the left and right of the rear side of the test room (1), two air circulating fans (111), evaporators (112), electric heating heaters (113) and a moisture input pipe (114) are arranged in the circulating air ducts (11), a first mounting groove (12) is arranged at the center of the test room (1), the test room (1) is divided into a left chamber and a right chamber by the first mounting groove (12), the first mounting groove (12) is connected with a heat insulation assembly in a sliding manner, the heat insulation assembly comprises a heat insulation plate (31), slide rails (32) corresponding to the first mounting groove (12) are arranged on the periphery of the heat insulation plate (31), a circle of elastic heat insulation sealing gasket (33) is symmetrically and fixedly connected on the left side and the right side of the heat insulation plate (31), the test room (1) is rotationally connected with a test room cabin door (4), and the test room cabin door (4) is provided with a second mounting groove (41) matched with the heat insulation plate (31), the inner walls of the first mounting groove (12) and the second mounting groove (41) are both formed by vacuum insulation plates;
the number of the temperature sensors and the number of the humidity sensors are both even, the temperature sensors are symmetrically arranged at two sides of the first mounting groove (12), the humidity sensors are symmetrically positioned at two sides of the first mounting groove (12), the two evaporators (112) are both connected with first electromagnetic valves, the compressor, the condenser and the liquid storage device are sequentially connected end to end, the compressor and the liquid storage device are connected in parallel with two evaporators (112), the first electromagnetic valve is arranged between the liquid storage device and the evaporator (112), the two moisture input pipes (114) are connected with second electromagnetic valves, the two second electromagnetic valves are connected with the same humidification system, the power supply output end of the processor is electrically connected with the electric heating heater (113), the first electromagnetic valve and the second electromagnetic valve, and the signal input end of the processor is in signal connection with the temperature sensor and the humidity sensor;
a group of first reinforcing plates (34) are symmetrically and fixedly connected with the left side and the right side of the heat insulation plate (31), each group of first reinforcing plates (34) are symmetrically positioned at the front side and the rear side of the heat insulation plate (31), and is positioned in a square ring enclosed by the elastic heat-insulating sealing gasket (33), two second reinforcing plates (35) are connected between each group of first reinforcing plates (34) in a sliding way, the two second reinforcing plates (35) are positioned at the upper side and the lower side of the heat-insulating plate (31), two sides of one surface of the second reinforcing plate (35) back to the heat insulation plate (31) are symmetrically provided with baffle rods (351), the left side and the right side of the first installation groove (12) at the rear side of the test room (1) are respectively provided with two first pressing block components (121) matched with the baffle rods (351) at the rear side of the second reinforcing plate (35), and the left side and the right side of the second mounting groove (41) are respectively provided with two second pressing block assemblies (411) matched with the stop rods (351) at the front side of the second reinforcing plate (35).
2. The multipurpose temperature humidity test chamber of claim 1, wherein: the first pressing block assembly (121) comprises a support (1211) and a pressing wheel (1212) matched with the blocking rod (351), the pressing wheel (1212) is rotatably connected with the support (1211), and the first pressing block assembly (121) and the second pressing block assembly (411) are identical in structure.
3. The multipurpose temperature humidity test chamber of claim 1, wherein: the first reinforcing plate (34) is provided with a T-shaped sliding groove (341), and two sides of the second reinforcing plate (35) are provided with T-shaped sliding blocks matched with the T-shaped sliding groove (341).
4. The multipurpose temperature humidity test chamber of claim 1, wherein: the air circulation fan (111), the evaporator (112), the electric heating heater (113) and the moisture input pipe (114) are sequentially arranged in the circulation air duct (11) from top to bottom, and the air circulation fan (111) is located at an outlet at the upper end of the circulation air duct (11).
5. The multipurpose temperature humidity test chamber of claim 1, wherein: the heat insulation plate (31) is composed of a vacuum heat insulation plate.
6. The multipurpose temperature humidity test chamber of claim 1, wherein: the electric heating heater (113) is a nichrome electric heating heater.
7. The multipurpose temperature humidity test chamber of claim 1, wherein: the laboratory hatch door (4) is symmetrically provided with two observation windows (42) relative to the left side and the right side of the second installation groove (41).
8. The multipurpose temperature humidity test chamber of claim 1, wherein: the tail end of the blocking rod (351) is sleeved with an anti-skidding soft cushion (352).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011083453.7A CN112354569B (en) | 2020-10-12 | 2020-10-12 | Multipurpose temperature and humidity test box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011083453.7A CN112354569B (en) | 2020-10-12 | 2020-10-12 | Multipurpose temperature and humidity test box |
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| CN112354569A CN112354569A (en) | 2021-02-12 |
| CN112354569B true CN112354569B (en) | 2021-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114100698A (en) * | 2021-08-31 | 2022-03-01 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Combined high-low temperature alternating damp-heat test box |
| CN117583043A (en) * | 2022-08-23 | 2024-02-23 | 江苏拓米洛高端装备股份有限公司 | Temperature test box |
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| EP0154536A2 (en) * | 1984-03-02 | 1985-09-11 | Mallinckrodt, Inc. (a Delaware corporation) | Controlled atmosphere enclosure |
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| CN112354569A (en) | 2021-02-12 |
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