CN214106989U

CN214106989U - Rapid temperature change test box

Info

Publication number: CN214106989U
Application number: CN202023028862.5U
Authority: CN
Inventors: 梁旺儒; 潘显臻
Original assignee: Dongguan Haiboneng Environmental Test Equipment Co ltd
Current assignee: Dongguan Haiboneng Environmental Test Equipment Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-09-03
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a quick temperature change proof box that is used for carrying out all kinds of electrician electronic product and other products, spare part and material and carry out high low temperature rapid change environmental simulation's reliability test. Quick temperature change proof box, the downside at laboratory 1 is established to the freezer, humidification chamber 3 establishes the rear side at laboratory 1, install baffle 11 on laboratory 1's the inboard, 11 partial spaces with laboratory 1 of baffle divide into evaporation chamber 5, one side of laboratory 1 is articulated to be installed push-and-pull door 12, be equipped with observation window 13 on the push-and-pull door 12. To the problem that exists in the background art, the utility model discloses quick temperature change proof box purpose provides one and can accomplish the experimental quick temperature change proof box of complicated temperature humidity environmental change in same proof box.

Description

Rapid temperature change test box

Technical Field

The utility model relates to a quick temperature change proof box that is used for carrying out all kinds of electrician electronic product and other products, spare part and material and carry out high low temperature rapid change environmental simulation's reliability test.

Background

When the product uses in the environment of temperature rapid change, current detection means to the in service behavior of this environment generally utilizes the product respectively to take the quick temperature change proof box of humidity and does the reliability test in turn to two kinds or multiple proof boxes of quick temperature change proof box of no humidity, because the environmental change of proof box is relatively independent, make test data lack the data of environmental change, the effect of test has been influenced, and complex proof box also receives the restriction in test field easily, the degree of difficulty that has increaseed the detection.

SUMMERY OF THE UTILITY MODEL

To the problem that exists in the background art, the utility model discloses quick temperature change proof box purpose provides one and can accomplish the experimental quick temperature change proof box of complicated temperature humidity environmental change in same proof box.

In order to solve the problem, the utility model discloses quick temperature becomes proof box has assembled humidification device, heating device, refrigerating plant and the control computer that can other devices of centralized control in the proof box for the user can realize quick alternating temperature by each device of full automatic control of control computer ability after setting for service parameter, and the utility model discloses a be the mode that the condensation effect of control computer control evaporimeter 52 and the heating effect of control heater strip 51 combined together, can only increase heater strip 51 heating effect under the unchangeable prerequisite of traditional evaporimeter 52 output and just can become the way of appointed temperature with air rapid heating up temperature, not only reduced a large amount of energy consumptions, also make evaporimeter 52 and heater strip 51's life obtain the extension protection.

The rapid temperature change test box comprises a test chamber 1, a freezing chamber, a humidifying chamber 3, a control chamber 4 and an evaporating chamber 5, wherein the freezing chamber is arranged at the lower side of the test chamber 1, and the humidifying chamber 3 is arranged at the rear side of the test chamber 1.

Its characterized in that, one side of laboratory 1 is articulated to be installed push-and-pull door 12, be equipped with observation window 13 on the push-and-pull door 12, humidification chamber 3 includes the humidifying pipe, the humidifying pipe runs through 5 inboards to the evaporation chamber from humidification chamber 3 inboards, control computer, operation panel are installed to control room 4. The sealing washer is installed to the door frame of push-and-pull door 12, can play airtight effect when push-and-pull door 12 closes, prevents that the air in the laboratory 1 in the experiment from revealing. The observation window 13 is provided for allowing a user to directly observe the condition of the sample to be tested through the observation window 13, so that the user can record test data in time. Wherein, the bottom of the test chamber 1 is provided with a water outlet, and the bottom of the test chamber 1 is in a funnel shape, so that moisture accumulated in the test chamber 1 can be drained in time, and the cleaning difficulty after the test is reduced.

The evaporation chamber 5 is arranged in the test chamber 1, a partition plate 11 is arranged between the test chamber 1 and the evaporation chamber 5, the partition plate 11 is detachably connected and installed on the inner wall of the test chamber 1, and an air opening is formed between the partition plate 11 and the bottom of the test chamber 1. Wherein, baffle 11 passes through detachable fixed mounting mode such as bolt and installs on the inner wall of laboratory 1 for the part space of baffle 11 with laboratory 1 is cut apart into evaporating chamber 5, can directly dismantle baffle 11 when the user maintains the device in evaporating chamber 5 under the circumstances that this proof box shut down, directly maintains evaporating chamber 5 through broad laboratory 1, is convenient for maintain. The lower end of the clapboard 11 is provided with an air port for directly blowing air with certain temperature and humidity into the laboratory 1 after the action of each device of the evaporation chamber 5 is finished, thereby accelerating the whole temperature change effect.

The evaporation chamber 5 is sequentially provided with an air supply device 6, a heating wire 51 and an evaporator 52 from top to bottom. The purpose of the evaporation chamber 5 is to process the air into air with temperature and humidity meeting the test conditions and send the air into the test chamber 1, and the air supply device 6, the heating wire 51 and the evaporator 52 are sequentially arranged in the evaporation chamber 5 from top to bottom, so as to form a high-efficiency air temperature regulating system, so that the air can efficiently reach the required temperature and humidity. The heating wire 51 adopts a nichrome heating wire, and compared with a traditional nichrome heating tube heater, the nichrome heating wire has the advantages of better reliability, stronger stability and longer service life.

Air supply arrangement 6 installs at the top of evaporating chamber 5, air supply arrangement 6 comprises air supply cover, air supply motor, wind wheel, protection network from last to down in proper order, air supply motor's the direction of blowing is to evaporimeter 52, be equipped with handle hole 14 on the lateral wall of laboratory 1. The wind wheel is made of high-temperature and low-temperature resistant aluminum alloy materials, is high-temperature and low-temperature resistant, can easily generate a compact aluminum oxide film on the surface of the wind wheel, is favorable for moisture prevention and oxidation prevention, and is durable. Wherein, air supply arrangement 6 passes through the mounting means of bolt and installs the upside at evaporating chamber 5, and the user can directly install or dismantle air supply arrangement 6 in the outside of this proof box, is convenient for install and maintain.

The humidification chamber 3 is provided with a humidifier and a humidification pipe, and the humidification pipe penetrates from the inside of the humidification chamber 3 to the inside of the evaporation chamber 5. The humidifier adopts a water boiling humidifying method, the principle is simple, the process is mature, and the equipment structure is simple and is convenient to maintain or use.

The freezing chamber is provided with a freezing device, and a condensation pipe is connected between the freezing device and the evaporator 52.

Control computer is installed to control room 4, the operation panel is installed outdoor at control room 4, control computer respectively with the air supply motor, heater strip 51, evaporimeter 52 electricity is connected, temperature sensor and humidity transducer are installed to 1 inboard in laboratory, temperature sensor and humidity transducer all with control computer signal connection, make control computer ability direct receipt each sensor's environmental induction parameter, thereby select suitable control scheme, each device of direct control is with suitable power operation again, make it realize the operation of the full automatic control proof box of computer.

The operation hole 14 is provided with a sealing ring, an operation glove is arranged on the sealing ring, and the operation glove is arranged in the laboratory 1. I.e. the outside of the operating glove is directed towards the inside of the test chamber 1. The sealing ring is detachably connected with the operating glove. The purpose of the operation hole 14 is to allow other workers to operate the test sample through the operation hole 14, such as turning over and pressing a switch of the sample, when the test sample is tested in the test room 1 and the user observes through the observation window 13 of the sliding door 12, so that the data observation is not affected when the sample is operated.

The side wall of the laboratory 1 is provided with a maintenance door, and the operation hole 14 is arranged on the wall of the maintenance door. The maintenance door covers the whole side wall of the test room 1, and a sealing ring is arranged between the maintenance door and the test room 1, so that the problem of air leakage between the maintenance door and the test room 1 is solved. The maintenance door is provided to enlarge a space for movement when a worker performs maintenance on the test chamber by opening the maintenance door, to facilitate maintenance, and also to perform maintenance directly on the evaporation chamber 5 provided in the test chamber 1 by opening the maintenance door. The operation hole 14 is provided on the wall of the maintenance door so that a worker can replace the operation hole 14, which may have insufficient airtightness and may be out of specification for use, by replacing the maintenance door. By arranging the operation hole 14 on the maintenance door as the side wall, one worker can operate the sample on the operation hole 14 without affecting the observation of the other worker, and the observation process is ensured to be carried out orderly.

The operation hole 14 is provided on the wall of the sliding door 12 and below the observation window 13. The operation hole 14 provided on the wall of the sliding door 12 enables a worker to operate the sample through the operation hole 14 while continuing to observe the condition of the sample through the observation window 13.

Sliding door 12 installs the handle device, sealed post is installed to laboratory 1, the handle device comprises handle dish 121, handle mounting disc, handle dish 121 is equipped with handle, seal groove 122, commentaries on classics hole, resilience groove, the resilience groove is established in the bottom of handle dish 121, the bottom surface of changeing the hole is opened there is the sealed concave tooth towards the handle mounting disc, the handle mounting disc is equipped with the mounting disc rotating slot corresponding with the position of changeing the hole, the mounting disc rotating slot is equipped with the sealed dogtooth towards the handle mounting disc, sealed dogtooth meshes with sealed concave tooth mutually, install the resilience spring between resilience groove and the handle dish, seal groove 122 is the inconsistent circular arc groove of an radian. The user is through swing handle dish 121, go into seal groove 122 screw in card on going sealed post, make push-and-pull door 12 can with laboratory 1 "locking", and with the help of the seal groove 122 of the inconsistent shape of radian and the installation relation of sealed post, the sealing washer that is equipped with between push-and-pull door 12 and the laboratory 1 produces the resilience force easily after repetitious usage not enough, when leading to unable sealed effect of effectively implementing, the user can see through simple operation, further rotation handle dish 121, arrange sealed post in more "dark" seal groove 122, let push-and-pull door 12 fix again on can implementing the position of sealing function. The tooth distribution tracks of the sealing convex teeth and the sealing concave teeth are circular. Wherein, install through carrying out bolted connection on trompil and mounting disc rotary slot between handle dish 121 and the handle mounting disc, carry out fixed mounting through sealed dogtooth and sealed concave tooth meshing installation relation, when user swing handle dish 121 fixed push-and-pull door 12, at first loosen the bolt between handle dish 121 and the handle mounting disc, handle dish 121 and the sealed concave tooth that is equipped with move to the outside under the effect of rebound spring, break away from fixed relation, then user swing handle dish 121, with seal groove 122 screw in sealed post to can let push-and-pull door 12 sealed position on, screw up the bolt between handle dish 121 and the handle mounting disc again, sealed dogtooth and sealed concave tooth re-engage, make handle dish 121 fixed, push-and-pull door 12 is fixed to accomplish promptly.

The fins of the evaporator 52 are hydrophilic film aluminum fins. Because the water tension of hydrophilic membrane aluminium fin is little, the water droplet that the air condenses to separate out is very easily the landing, is difficult for producing the water bridge that hinders in the fin clearance, prevents that the water bridge from influencing dehumidification efficiency.

The utility model discloses quick warm proof box that becomes has assembled humidification device, heating device, refrigerating plant and can the other device of centralized control's control computer in the proof box for the user can realize quick alternating temperature by each device of full automatic control of control computer ability after setting for service parameter. And the utility model discloses a mode that the condensation effect of control computer control evaporimeter 52 and the heating effect of control heater strip 51 combined together can only increase heater strip 51 heating effect under the unchangeable prerequisite of traditional evaporimeter 52 output and just can become the method of appointed temperature with the air rapid heating up temperature, has not only reduced a large amount of energy consumptions, also makes evaporimeter 52 and heater strip 51's life obtain the quick temperature change proof box of extension protection.

Drawings

Fig. 1 is a side view of the rapid temperature change test chamber of the present invention, which conceals the side of the test chamber 1 and the humidification chamber 3.

Fig. 2 is a front view of the rapid temperature change test chamber of the present invention.

Fig. 3 is a side view of the rapid temperature change test chamber of the present invention.

Fig. 4 is a plan view of the handle device of the rapid temperature change test chamber of the present invention.

Detailed Description

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

Referring to fig. 1, 2, 3, 4: the utility model discloses a when quick temperature becomes proof box and tests, the user will be surveyed the sample and put in laboratory 1, closes push-and-pull door 12, after the environmental parameter has been imported to the control cabinet, and the control computer begins to control each equipment and carries out the environment of work adjustment laboratory 1. Firstly, the computer is controlled to control the heating wire 51 to be heated to a specified temperature and the evaporator 52 to be condensed to a specified temperature through the environmental information fed back by the temperature sensor and the humidity sensor, the air in the evaporation chamber 5 is changed, and then the air is rapidly sent into the test chamber 1 under the action of the air blowing device 6 to sequentially and rapidly change the environment of the test chamber 1 into a specified test environment.

When the user swings the handle disc 121 to fix the sliding door 12, firstly, the bolts between the handle disc 121 and the handle mounting disc are loosened, the handle disc 121 and the arranged sealing concave teeth move outwards under the action of the rebound spring, the fixing relation is separated, then the user swings the handle disc 121, the sealing groove 122 is screwed into the sealing column to the position where the sliding door 12 can be sealed, then the bolts between the handle disc 121 and the handle mounting disc are screwed, the sealing convex teeth and the sealing concave teeth are re-meshed, the handle disc 121 is fixed, and namely, the sliding door 12 is fixed.

In one embodiment, a sealing hole cover for sealing the operation hole is installed on the operation hole, and the sealing hole cover is opened when a worker needs to operate a sample through the operation hole.

One of the embodiments is that the operation hole 14 is provided with a sealing ring, an operation glove is installed on the sealing ring, the operation glove is arranged inside the laboratory 1, and the operation glove is a rubber glove, so that when a worker needs to operate a sample through the operation hole, the worker can directly operate the sample by extending both hands into the operation glove.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the inventive concept, and all of them belong to the protection scope of the present invention.

Claims

1. The rapid temperature change test box comprises a test chamber (1), a freezing chamber, a humidifying chamber (3), a control chamber (4) and an evaporating chamber (5), and is characterized in that one side of the test chamber (1) is hinged with a sliding door (12), the sliding door (12) is provided with an observation window (13), the humidifying chamber (3) comprises a humidifying pipe, the humidifying pipe penetrates through the inner side of the evaporating chamber (5) from the inner side of the humidifying chamber (3), the control chamber (4) is provided with a control computer and an operation table,

the evaporation chamber (5) is arranged in the test chamber (1), a partition plate (11) is arranged between the test chamber (1) and the evaporation chamber (5), the partition plate (11) is detachably connected and installed on the inner wall of the test chamber (1), an air port is formed between the partition plate (11) and the bottom of the test chamber (1), an air supply device (6), a heating wire (51) and an evaporator (52) are sequentially installed on the evaporation chamber (5) from top to bottom,

air supply arrangement (6) are installed at the top of evaporating chamber (5), air supply arrangement (6) are from last to down comprising air supply cover, air supply motor, wind wheel, protection net in proper order, air supply motor's the directional evaporimeter of direction of blowing (52), be equipped with handle hole (14) on the lateral wall of laboratory (1).

2. Rapid temperature change test chamber according to claim 1, characterized in that the handling hole (14) is provided with a sealing ring on which a handling glove is mounted, which is placed inside the test chamber (1).

3. The rapid temperature change test chamber according to claim 1, wherein a maintenance door is installed to a side wall of the test chamber (1), and the operation hole (14) is provided in the wall of the maintenance door.

4. The rapid temperature change test chamber according to claim 1, wherein the operation hole (14) is provided in a door wall of the sliding door (12) and below the observation window (13).

5. Rapid temperature variation test chamber according to claim 1, characterized in that the sliding door (12) is fitted with a handle device, the laboratory (1) is provided with a sealing column, the handle device consists of a handle disc (121) and a handle mounting disc, the handle disc (121) is provided with a handle, a sealing groove (122), a rotary hole and a rebound groove, the rebound groove is arranged at the bottom of the handle disc (121), the bottom surface of the rotary hole is provided with sealing concave teeth facing the handle mounting disc, the handle mounting disc is provided with a mounting disc rotating groove corresponding to the position of the rotating hole, the mounting disc rotating groove is provided with a sealing convex tooth facing the handle mounting disc, the sealing convex teeth are meshed with the sealing concave teeth, a rebound spring is arranged between the rebound groove and the handle disc (121), the sealing groove (122) is an arc groove with inconsistent radian, and the sealing groove (122) is clamped on the sealing column.

6. A rapid temperature change test chamber according to claim 1, wherein the fins of the evaporator (52) are hydrophilic film aluminum fins.