CN211274699U

CN211274699U - High-low temperature alternating damp-heat test box

Info

Publication number: CN211274699U
Application number: CN201921921206.2U
Authority: CN
Inventors: 李志勇; 陈莉; 李艳
Original assignee: Suzhou Zisu Network Technology Co ltd
Current assignee: Suzhou Zisu Network Technology Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-18
Anticipated expiration: 2029-11-08

Abstract

The utility model discloses a high low temperature reversal damp and hot test box, the power distribution box comprises a box body, the inside space of box is separated for experimental storehouse and equipment storehouse through the baffle, the top in equipment storehouse is located to experimental storehouse, be equipped with the inner bag in the experimental storehouse, be provided with the thermal insulation layer between the inner wall in inner bag and experimental storehouse, install heater block, humidification part, temperature sensor and humidity transducer on the inner wall of inner bag, the top of box is equipped with the air intake, the air intake with the inner bag intercommunication, the turbulent fan is installed at the top of inner bag on the position of air intake, be equipped with air outlet and outside intercommunication on the inner wall of inner bag one side. The utility model discloses can make cold and hot air mix stirring ground more quick even, improve the temperature slew rate in the inner bag to change back humiture evenly, improved the accuracy of test result, and need not additionally externally connect drain pipe and water tank, be convenient for equipment fixing and removal.

Description

High-low temperature alternating damp-heat test box

Technical Field

The utility model relates to a test equipment technical field, concretely relates to high low temperature reversal damp-heat test case.

Background

The high-low temperature alternating test box is necessary test equipment in the fields of aviation, automobiles, household appliances, scientific research and the like, and is used for testing and determining parameters and performances of electricians, electronics and other products and materials after the temperature environment changes in high-temperature, low-temperature or constant tests.

The high-low temperature alternating test box is used for simulating the test specifications of heat resistance, humidity resistance, cold resistance, dry resistance and quality management engineering of products applied to the national defense industry, the aerospace industry, automatic components, automobile parts, electronic and electric components, instruments, materials, plastics, chemical engineering, food, pharmaceutical industry and related products under the temperature and humidity combination condition of the climate environment, and evaluating whether the adaptability and the characteristics of the products are changed or not under the given environmental condition.

The existing high-low temperature alternating test box needs an external water receiving box for providing water source for a humidification system, and also needs a drain pipe for discharging condensed water generated by a refrigeration system, and the existing high-low temperature alternating test box has more external components and is troublesome to install; in addition, the existing high-low temperature alternating test box is low in temperature-heat conversion speed, and cold air and hot air are mixed unevenly after air is subjected to temperature adjustment and humidity adjustment, so that the temperature and humidity distribution in the test bin is uneven, and the test result is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above shortcoming of prior art, the utility model aims to provide a high low temperature alternation damp and heat test case for solve the problem that the test result was influenced to the upset test case installation trouble of prior art crowning low temperature, test storehouse humiture maldistribution.

In order to achieve the above and other related purposes, the utility model provides a high-low temperature alternation damp-heat test box, which comprises a box body, the space inside the box body is divided into a test chamber and an equipment chamber by a partition plate, the test chamber is arranged above the equipment chamber, a liner is arranged in the test chamber, a heat preservation and insulation layer is arranged between the liner and the inner wall of the test chamber, a heating component, a humidifying component, a temperature sensor and a humidity sensor are arranged on the inner wall of the liner, an air inlet is arranged at the top of the box body, the air inlet is communicated with the liner, a turbulent fan is arranged at the top of the liner at the position of the air inlet, and an air outlet communicated with the outside is arranged on the inner wall of one side of;

the improved humidifier is characterized in that a refrigerating part is arranged in the equipment bin and comprises a compressor, a condenser and an evaporator, the evaporator is communicated with the inner container, a water storage tank is further installed in the equipment bin, the evaporator is connected with the water storage tank through a condensate pipe, one side of the water storage tank is connected with one end of a return pipe, the other end of the return pipe is connected with a humidifying part, and a pump and a filtering part are arranged on the return pipe.

Preferably, the box body is made of a steel plate, and the inner container is made of a stainless steel mirror panel.

Preferably, the heating part is a nichrome electric heating tube.

Preferably, the compressor is respectively connected with the evaporator and the condenser through pipelines, and the evaporator and the condenser are connected through a capillary hose.

Preferably, the side walls of the test chamber and the equipment chamber are respectively hinged with an upper chamber door and a lower chamber door, and the surface of the upper chamber door is provided with an observation window and a control panel.

Preferably, the heating component, the humidifying component, the refrigerating component, the temperature sensor and the humidity sensor are all electrically connected with the control panel.

Preferably, shock absorption bases are distributed at four corners of the bottom of the box body.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a set up the turbulent fan in the position of air intake, when the proof box was adjusting temperature and humidifying, the turbulent fan can increase the air flow in the inner bag for cold and hot air mixes more evenly fast in stirring ground, has improved the temperature conversion speed in the inner bag, and the humiture is even after the change, has improved the accuracy of test result;

(2) the utility model discloses set up the storage water tank in the equipment storehouse, evaporimeter exhaust comdenstion water is collected in the storage water tank, and when humidification part needed the water source, the pump machine can go into humidification part through the back flow with the water source pump in the storage water tank, need not additionally externally connect drain pipe and water tank, the equipment fixing and the removal of being convenient for.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic view of an internal structure of a high-low temperature alternating humidity-heat test chamber provided by the present invention;

fig. 2 is the external structure schematic diagram of a high-low temperature alternating damp-heat test box provided by the utility model.

Wherein the reference numerals are specified as follows: the device comprises a box body 1, an equipment bin 2, an air outlet 3, a test bin 4, an inner container 5, a heat preservation and insulation layer 6, a temperature sensor 7, an air inlet 8, a turbulent flow fan 9, a heating part 10, a humidity sensor 11, a humidifying part 12, a return pipe 13, a filtering part 14, a pump 15, a water storage tank 16, a condensate pipe 17, a condenser 18, a compressor 19, a damping base 20, an evaporator 21, an upper bin door 22, a lower bin door 23, an observation window 24 and a control panel 25.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1 and 2, the utility model provides a high low temperature reversal damp and hot test box, including box 1, box 1 inside space is separated for experimental storehouse 4 and equipment storehouse 2 through the baffle, experimental storehouse 4 is located the top of equipment storehouse 2, be equipped with inner bag 5 in the experimental storehouse 4, be provided with thermal insulation layer 6 between the inner wall of inner bag 5 and experimental storehouse 4, thermal insulation layer 6 can effectively prevent the outside transmission of temperature heat in inner bag 5, install heater block 10 on inner bag 5's the inner wall, humidification part 12, temperature sensor 7 and humidity transducer 11, box 1's top is equipped with air intake 8, air intake 8 and inner bag 5 intercommunication, turbulent fan 9 is installed at the top of inner bag 5 on the position of air intake 8, be equipped with air outlet 3 and outside intercommunication on the inner wall of inner bag 5 one side.

The equipment bin 2 is internally provided with a refrigerating part, the refrigerating part comprises a compressor 19, a condenser 18 and an evaporator 21, the evaporator 21 is communicated with the inner container 5, the equipment bin 2 is internally provided with a water storage tank 16, the evaporator 21 is connected with the water storage tank 16 through a condensate pipe 17, one side of the water storage tank 16 is connected with one end of a return pipe 13, the other end of the return pipe 13 is connected with the humidifying part 12, the return pipe 13 is provided with a pump 15 and a filtering part 14, the pump 15 is used for pumping water into the humidifying part 12, and the filtering part 14 is used for filtering and purifying the water source in the return pipe 13.

In the embodiment, the box body 1 is made of steel plates, so that the outer surface of the box body 1 is smooth, concise, attractive and elegant; the inner container 5 is made of a stainless steel mirror plate.

In this embodiment, the heating member 10 is a nichrome electric heating tube.

In this embodiment, the compressor 19 is connected to the evaporator 21 and the condenser 18 through pipes, and the evaporator 21 and the condenser 18 are connected through a capillary tube. The operation principle inside the refrigeration system is a mature technology, which is common knowledge and will not be described in detail herein.

In this embodiment, the side walls of the test chamber 4 and the equipment chamber 2 are respectively hinged with an upper chamber door 22 and a lower chamber door 23, and the surface of the upper chamber door 22 is provided with an observation window 24 and a control panel 25. Further, the heating component 10, the humidifying component 12, the refrigerating component, the temperature sensor 7 and the humidity sensor 11 are all electrically connected with the control panel 25. The temperature and humidity information in the inner container 5 can be obtained through the control panel 25, and the temperature and humidity in the inner container can also be set through the control panel 25.

In this embodiment, vibration damping bases 20 are distributed at four corners of the bottom of the box body 1, so that impact pressure is reduced, and the equipment is reliable and stable.

When the device is used, the turbulence fan 9 is arranged at the position of the air inlet 3, when the temperature and humidity of the test box are adjusted, the turbulence fan 9 can increase the air flow in the inner container 5, so that the cold air and the hot air are mixed and stirred more quickly and uniformly, the temperature conversion speed in the inner container 5 is improved, the temperature and the humidity are uniform after the temperature and the humidity are changed, and the accuracy of a test result is improved; a water storage tank 16 is arranged in the equipment bin 2, condensed water discharged by the evaporator 21 is collected in the water storage tank 16, when the humidifying component 12 needs a water source, the pump 15 can pump the water source in the water storage tank 16 into the humidifying component 12 through the return pipe 14, and a drain pipe and a water tank do not need to be additionally connected outside, so that the equipment is convenient to install and move.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A high-low temperature alternating damp-heat test chamber is characterized by comprising a chamber body (1), the space inside the box body (1) is divided into a test chamber (4) and an equipment chamber (2) by a clapboard, the test bin (4) is arranged above the equipment bin (2), an inner container (5) is arranged in the test bin (4), a heat insulation layer (6) is arranged between the inner container (5) and the inner wall of the test chamber (4), the inner wall of the inner container (5) is provided with a heating component (10), a humidifying component (12), a temperature sensor (7) and a humidity sensor (11), the top of the box body (1) is provided with an air inlet (8), the air inlet (8) is communicated with the inner container (5), a turbulent fan (9) is arranged at the top of the inner container (5) at the position of the air inlet (8), an air outlet (3) is arranged on the inner wall of one side of the inner container (5) and communicated with the outside;

be equipped with the refrigeration part in equipment compartment (2), the refrigeration part includes compressor (19), condenser (18) and evaporimeter (21), evaporimeter (21) and inner bag (5) intercommunication, still install storage water tank (16) in equipment compartment (2), evaporimeter (21) are connected with storage water tank (16) through condenser pipe (17), one side and the one end of back flow (13) of storage water tank (16) are connected, the other end and the humidification part (12) of back flow (13) are connected, be equipped with pump machine (15) and filter component (14) on back flow (13).

2. The high and low temperature alternating humid heat test chamber according to claim 1, characterized in that: the box body (1) is made of steel plates, and the inner container (5) is made of a stainless steel mirror panel.

3. The high and low temperature alternating humid heat test chamber according to claim 1, characterized in that: the heating part (10) is a nichrome electric heating tube.

4. The high and low temperature alternating humid heat test chamber according to claim 1, characterized in that: the compressor (19) is respectively connected with the evaporator (21) and the condenser (18) through pipelines, and the evaporator (21) is connected with the condenser (18) through a capillary hose.

5. The high and low temperature alternating humid heat test chamber according to claim 1, characterized in that: an upper bin door (22) and a lower bin door (23) are respectively hinged to the side walls of the test bin (4) and the equipment bin (2), and an observation window (24) and a control panel (25) are installed on the surface of the upper bin door (22).

6. The high and low temperature alternating humid heat test chamber according to claim 5, wherein: the heating component (10), the humidifying component (12), the refrigerating component, the temperature sensor (7) and the humidity sensor (11) are all electrically connected with the control panel (25).

7. The high and low temperature alternating humid heat test chamber according to claim 1, characterized in that: damping bases (20) are distributed at four corners of the bottom of the box body (1).