CN216594633U

CN216594633U - Quick cold and hot circulation test bench

Info

Publication number: CN216594633U
Application number: CN202123229223.XU
Authority: CN
Inventors: 韩明池; 张中川
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-05-24
Anticipated expiration: 2031-12-21

Abstract

The utility model discloses a rapid cold-hot circulation test bed, which relates to the field of test equipment and comprises a test bed, wherein a test box is fixedly connected to the upper surface of the test bed. According to the utility model, the hot water tank and the cold water tank are connected with the liquid storage cavity through the connecting pipe I, the electromagnetic directional valve, the connecting pipe II, the circulating pump and the guide pipe, the hot circulating pipe and the cold circulating pipe are arranged to further connect the liquid storage cavity with the hot water tank and the cold water tank to form a circulating loop, and meanwhile, a plurality of heating rods are arranged in the hot water tank and the refrigerating machine is arranged to be connected with the cold water tank, so that the problems that the liquid is heated or refrigerated and then directly introduced into a circulating pipeline without passing through a cold separating and hot entering device, the liquid temperature is greatly changed, a large amount of energy is lost, and the metal film cannot be fixed in the conventional rapid cold and hot circulating test bed when the metal film is tested are solved.

Description

Quick cold and hot circulation test bench

Technical Field

The utility model relates to a test bed, in particular to a rapid cold-hot circulation test bed.

Background

As the name suggests, the cold-hot cycle test is to detect the reliability of a test piece by rapidly changing the temperature of the test piece in a cold-hot alternating manner, and generally needs to rapidly change the temperature of a metal film when the physical characteristics of the metal film are researched, and needs to use a cold-hot cycle test bench to perform an experiment when the metal film performs the rapid cold-hot alternating experiment.

When the existing rapid cold-hot circulation test bed is used, some defects and shortcomings exist, and the specific places needing to be improved are as follows:

1. in the conventional rapid cold-hot circulation test bed, liquid is heated or cooled and then directly introduced into a circulation pipeline without passing through a cold-distributing and hot-entering device, so that the temperature of the liquid is greatly changed, and a large amount of energy is lost;

2. and current quick cold and hot circulation test bench can not fix metallic film when testing metallic film to lead to metallic film to take place to buckle easily in the process of the test and deform and reduce the area of contact with the test bench and reduce heat conduction efficiency, and then reduced the test bench and made the efficiency of metallic film temperature variation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rapid cold and hot circulation test bed, and aims to solve the problems that the conventional rapid cold and hot circulation test bed proposed in the background art directly leads liquid into a circulation pipeline after heating or refrigerating, the temperature of the liquid is greatly changed without passing through a cold distribution device and a hot inlet device, so that a large amount of energy is lost, and the conventional rapid cold and hot circulation test bed cannot fix a metal film during testing the metal film, so that the metal film is easily bent and deformed during testing, the contact area between the metal film and the test bed is reduced, the heat conduction efficiency is reduced, and the efficiency of the test bed for changing the temperature of the metal film is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: the quick cold and hot circulation test bed comprises a test bed body, wherein a test box is fixedly connected to the upper surface of the test bed body, two vertical plates are fixedly connected to the inner wall of the lower side of the test box body, the inner wall of the upper side of each vertical plate is fixedly connected with the upper ends of two groups of springs respectively, the bottom ends of the two groups of springs are fixedly connected to the upper surfaces of two pressing plates respectively, the bottom surfaces of the two pressing plates are lapped on the upper surface of a heat conducting plate, the heat conducting plate is fixedly connected to the inner wall of the lower side of the test box body, a liquid storage cavity is formed in the test box body, a switch is fixedly connected to the front surface of the test box body, and four corners of the bottom surface of the test bed body are fixedly connected with the upper ends of four support columns respectively.

As a preferred technical scheme of the utility model, the inner wall of the lower side of the liquid storage cavity is an inclined plane, the inner wall of the left side of the liquid storage cavity is fixedly connected with the upper end of the flow guide pipe, the other end of the flow guide pipe penetrates through the fixed plate and is fixedly connected to the water outlet of the circulating pump, and the input end of the circulating pump is electrically connected with the output end of the switch.

As a preferable technical scheme of the utility model, the upper surface of the fixing plate is fixedly connected to the bottom surface of the hot water tank, the circulating pump is fixedly connected to the fixing plate, the upper surface of the hot water tank is fixedly connected to the bottom surface of the test bed, the right side surface of the hot water tank is fixedly connected with the bottom end of the heat circulating pipe, the upper end of the heat circulating pipe penetrates through the right side surface of the test box and is arranged in the liquid storage cavity, and the upper end of the heat circulating pipe is internally provided with a valve.

As a preferred technical scheme of the utility model, the inner wall of the hot water tank is fixedly connected with a plurality of heating rods, the input ends of the plurality of heating rods are electrically connected with the output end of the switch, and the plurality of heating rods are all arranged as temperature control heating rods.

According to a preferable technical scheme of the utility model, a second connecting pipe is fixedly connected to a water inlet of the circulating pump, an electromagnetic directional valve is fixedly connected in the second connecting pipe, two ends of the electromagnetic directional valve are respectively and fixedly connected with the bottom ends of the first connecting pipes, and the upper end of the first connecting pipe on the left side is fixedly connected in the bottom surface of the hot water tank.

As a preferred technical scheme of the utility model, the upper end of the connecting pipe on the right side is fixedly connected in the bottom surface of the cold water tank, the upper surface of the cold water tank is fixedly connected with the bottom surface of the test bed, the cold water tank is connected with the refrigerator, the refrigerator is fixedly connected on the right side surface of the cold water tank, and the input end of the refrigerator is electrically connected with the output end of the switch.

As a preferable technical scheme of the utility model, the right side surface of the cold water tank is fixedly connected with the bottom end of the cold circulating pipe, the upper end of the cold circulating pipe penetrates through the right side surface of the test box and is arranged in the liquid storage cavity, and the upper end of the cold circulating pipe is internally provided with another valve.

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

1. the utility model connects the hot water tank and the cold water tank with the liquid storage cavity by arranging the first connecting pipe, the electromagnetic directional valve, the second connecting pipe, the circulating pump and the flow guide pipe, further connects the liquid storage cavity with the hot water tank and the cold water tank by arranging the hot circulating pipe and the cold circulating pipe to form a circulating loop, simultaneously arranges a plurality of heating rods in the hot water tank and arranges a refrigerator to connect with the cold water tank, when using the device, a user can control the circulating pump to pump hot water in the hot water tank out and flow into the liquid storage cavity through the flow guide pipe to increase the temperature of the heat conducting plate to heat the metal film test material on the heat conducting plate, and can control the electromagnetic directional valve to make the circulating pump flow cold water in the cold water tank into the liquid storage cavity through the flow guide pipe to rapidly cool the heat conducting plate and the metal film, thereby utilizing the device to realize rapid cold and hot alternation of the metal film test material and further to test the physical properties of the test material, and this device can reduce cold and hot change of liquid temperature when alternating with cold and hot liquid reposition of redundant personnel and reduce the scattering and disappearing of energy, and then makes the heat-conducting plate realize rapid heating up rapid cooling, simultaneously through being provided with in the box body and holding the liquid chamber to utilize a large amount of liquid that hold the accumulation of liquid intracavity to maintain the constancy of heat-conducting plate temperature in the test process, and then further improved the practicality of device.

2. According to the utility model, the vertical plate is connected with the test box, the spring is arranged to connect the vertical plate with the press plate, when a test is carried out, a user can pull the press plate upwards to separate the press plate from the heat conduction plate, then the user flatly lays the test metal film on the heat conduction plate and loosens the press plate, at the moment, the press plate is pushed by the spring elasticity to move downwards to fix the metal film on the heat conduction plate, so that the contact area between the bending deformation and the heat conduction plate when the metal film is placed is avoided, the energy transfer efficiency is reduced, and the device is further used for fixing the metal film, so that the energy transfer efficiency is improved, and the temperature change efficiency of the metal film is improved.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic sectional view of the test cartridge of the present invention;

FIG. 4 is a schematic cross-sectional view of a vertical plate according to the present invention;

fig. 5 is an enlarged structural diagram a of the present invention.

In the figure: the device comprises a test bed 1, a guide pipe 2, a hot water tank 3, a heating rod 4, a support column 5, a fixing plate 6, a circulating pump 7, a first connecting pipe 8, a heat circulating pipe 9, a cold water tank 10, a refrigerator 11, a cold circulating pipe 12, a test box 13, a vertical plate 14, a heat conducting plate 15, a liquid storage cavity 16, a switch 17, a valve 18, a pressing plate 19, a spring 20, an electromagnetic directional valve 21 and a second connecting pipe 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution of a rapid cooling-heating cycle test bed: the heat conducting plate 15 is fixedly connected in the inner wall at the lower side of the test box 13, the inner wall at the upper side of the two vertical plates 14 is respectively fixedly connected with the upper ends of two groups of springs 20, the bottom ends of the two groups of springs 20 are respectively fixedly connected on the upper surfaces of two pressure plates 19, the vertical plates 14 are connected with the pressure plates 19 through the springs 20, the pressure plates 19 can be pushed by the elasticity of the springs 20 to move downwards to fix the metal film on the heat conducting plate 15, so that the reduction of the contact area between the bending deformation and the heat conducting plate 15 when the metal film is placed is avoided, the efficiency of energy transfer is reduced, the bottom surfaces of the two pressure plates 19 are both lapped on the upper surface of the heat conducting plate 15, the heat conducting plate 15 is fixedly connected in the inner wall at the lower side of the test box 13, the heat conducting plate 15 is arranged in the test box 13, so that the temperature of liquid in the liquid storage cavity 16 is transferred by the heat conducting plate 15, further improving the efficiency of transferring the liquid temperature in the liquid storage cavity 16 to the material, the liquid storage cavity 16 is arranged in the test box 13, the switch 17 is fixedly connected to the front surface of the test box 13, the four corners of the bottom surface of the test bed 1 are respectively and fixedly connected with the upper ends of the four support columns 5, the inner wall of the lower side of the liquid storage cavity 16 is arranged in an inclined plane, so that the liquid in the liquid storage cavity 16 can flow to the cold circulating pipe 12 and the hot circulating pipe 9 to be quickly discharged and completely discharged, further, the liquid remained in the liquid storage cavity 16 during the cold and hot alternation is prevented from influencing the quick change of the temperature of the test material, the inner wall of the left side of the liquid storage cavity 16 is fixedly connected with the upper end of the flow guide pipe 2, the other end of the flow guide pipe 2 penetrates through the fixed plate 6 and is fixedly connected to the water outlet of the circulating pump 7, the input end of the circulating pump 7 is electrically connected with the output end of the switch 17, the upper surface of the fixed plate 6 is fixedly connected to the bottom surface of the hot water tank 3, the circulating pump 7 is fixedly connected on the fixing plate 6, the upper surface of the hot water tank 3 is fixedly connected on the bottom surface of the test bed 1, the right side surface of the hot water tank 3 is fixedly connected with the bottom end of the heat circulating pipe 9, the upper end of the heat circulating pipe 9 penetrates through the right side surface of the test box 13 and is arranged in the liquid storage cavity 16, the upper end of the heat circulating pipe 9 is internally provided with a valve 18, the inner wall of the hot water tank 3 is fixedly connected with a plurality of heating rods 4, the input ends of the heating rods 4 are all electrically connected with the output end of a switch 17, the heating rods 4 are all arranged as temperature control heating rods, the heating rods 4 are arranged in the hot water tank 3, so that the liquid in the hot water tank 3 is heated by the heating rods 4, the heating rods 4 are arranged as temperature control heating rods, a user can conveniently control the temperature in the hot water tank 3 to keep the liquid in the hot water tank 3 at a constant temperature, the connecting pipe two 22 is fixedly connected on the water inlet of the circulating pump 7, an electromagnetic directional valve 21 is fixedly connected in the second connecting pipe 22, two ends of the electromagnetic directional valve 21 are respectively and fixedly connected with the bottom ends of the first connecting pipes 8, the electromagnetic directional valve 21 is arranged in the second connecting pipe 22, the electromagnetic directional valve 21 is connected with the first connecting pipes 8, so that the liquid pumped out by the circulating pump 7 is controlled by the electromagnetic directional valve 21 to realize the cold and hot alternation of the material, the upper end of the first connecting pipe 8 on the left side is fixedly connected in the bottom surface of the hot water tank 3, the upper end of the first connecting pipe 8 on the right side is fixedly connected in the bottom surface of the cold water tank 10, the upper surface of the cold water tank 10 is fixedly connected with the bottom surface of the test stand 1, the cold water tank 10 is connected with a refrigerator 11, the refrigerator 11 is fixedly connected on the right side surface of the cold water tank 10, the input end of the refrigerator 11 is electrically connected with the output end of a switch 17, the bottom end of the cold circulating pipe 12 is fixedly connected in the right side surface of the cold circulating pipe 10, the upper end of the cold circulating pipe 12 passes through the right side surface of the test box 13 and is arranged in the liquid storage cavity 16, another valve 18 is provided in the upper end of the cold circulation pipe 12.

The method comprises the following operation steps:

when the device is used for testing, a user firstly controls the heating rod 4 and the refrigerator 11 to work through the switch 17, the temperature of water in the hot water tank 3 is increased when the heating rod 4 works, the water in the cold water tank 10 is cooled when the refrigerator 11 works, then the user firstly pulls the pressing plate 19 upwards to enable the pressing plate 19 to extrude the spring 20, then the user flatly lays a metal film to be tested on the heat conducting plate 15 and loosens the pressing plate 19, and at the moment, the pressing plate 19 is pushed downwards by the elasticity of the spring 20 to move so as to fix the metal film on the heat conducting plate 15;

at the moment, a user firstly closes the cold circulation pipe 12 and the valve 18 in the hot circulation pipe 9, then the user controls the electromagnetic directional valve 21 to be connected with the first left connecting pipe 8 through the switch 17, and controls the circulating pump 7 to work through the switch 17, when the circulating pump 7 works, hot water in the hot water tank 3 is pumped out through the first left connecting pipe 8 and the second left connecting pipe 22 and flows into the liquid storage cavity 16 through the flow guide pipe 2, when the circulating pump 7 works for one end, the liquid storage cavity 16 is filled with hot water, then the valve 18 of the hot circulation pipe 9 is opened, and at the moment, the hot water in the liquid storage cavity 16 circularly flows to heat the heat conduction plate 15 and the metal film;

when the temperature of the metal film needs to be reduced, a user stops working of the circulating pump 7 through the switch 17, at the moment, hot water in the liquid storage cavity 16 flows into the hot water tank 3 again through the heat circulating pipe 9, the valve 18 on the heat circulating pipe 9 is closed, then the user controls the electromagnetic directional valve 21 to be communicated with the right connecting pipe I8 and controls the circulating pump 7 to work again, after the circulating pump 7 works for one end, the user opens the valve 18 on the cold circulating pipe 12 to enable cold water to flow circularly to rapidly reduce the temperature of the heat conducting plate 15 and the metal film, after a test is finished, the user closes the circulating pump 7 and closes the valve 18 after liquid in the liquid storage cavity 16 is emptied, and then the user pulls the pressing plate 19 upwards to remove the test material from the heat conducting plate 15.

In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rapid cooling-heating circulation test bed comprises a test bed (1) and is characterized in that: the testing device is characterized in that a testing box (13) is fixedly connected to the upper surface of the testing table (1), two vertical plates (14) are fixedly connected to the inner wall of the lower side of the testing box (13), the inner wall of the upper side of the two vertical plates (14) is fixedly connected with the upper ends of two groups of springs (20), the bottom ends of the two groups of springs (20) are fixedly connected to the upper surfaces of two pressing plates (19), the bottom surfaces of the two pressing plates (19) are all lapped on the upper surface of a heat conducting plate (15), the heat conducting plate (15) is fixedly connected to the inner wall of the lower side of the testing box (13), a liquid storage cavity (16) is formed in the testing box (13), a switch (17) is fixedly connected to the front surface of the testing box (13), and four corners of the bottom surface of the testing table (1) are fixedly connected with the upper ends of four supporting columns (5) respectively.

2. A rapid cold-hot cycling test stand according to claim 1, wherein: the inner wall of the lower side of the liquid storage cavity (16) is an inclined plane, the inner wall of the left side of the liquid storage cavity (16) is fixedly connected with the upper end of a guide pipe (2), the other end of the guide pipe (2) penetrates through a fixing plate (6) and is fixedly connected to a water outlet of a circulating pump (7), and the input end of the circulating pump (7) is electrically connected with the output end of a switch (17).

3. A rapid cold-hot cycling test stand according to claim 2, wherein: the hot water tank is characterized in that the upper surface of the fixing plate (6) is fixedly connected to the bottom surface of the hot water tank (3), the circulating pump (7) is fixedly connected to the fixing plate (6), the upper surface of the hot water tank (3) is fixedly connected to the bottom surface of the test bed (1), the right side surface of the hot water tank (3) is fixedly connected to the bottom end of the hot circulating pipe (9), the upper end of the hot circulating pipe (9) penetrates through the right side surface of the test box (13) and is arranged in the liquid storage cavity (16), and a valve (18) is arranged at the upper end of the hot circulating pipe (9).

4. A rapid cold-hot cycling test stand according to claim 3, wherein: fixedly connected with a plurality of heating rods (4) on hot-water tank (3) inner wall, it is a plurality of heating rod (4) input all is connected with switch (17) output electricity, and is a plurality of heating rod (4) are the setting of control by temperature change heating rod.

5. A rapid cold-hot cycling test stand according to claim 2, wherein: fixedly connected with connecting pipe two (22) on circulating pump (7) water inlet, fixedly connected with electromagnetic directional valve (21) in connecting pipe two (22), electromagnetic directional valve (21) both ends respectively with the bottom fixed connection of two connecting pipes one (8), the left side connecting pipe one (8) upper end fixed connection is in hot-water tank (3) bottom surface.

6. A rapid cold-hot cycling test stand according to claim 5, wherein: the right side connecting pipe (8) upper end fixed connection is in cold water tank (10) bottom surface, cold water tank (10) upper surface and test bench (1) bottom surface fixed connection, cold water tank (10) are connected with refrigerator (11), refrigerator (11) fixed connection is on cold water tank (10) right flank, refrigerator (11) input and switch (17) output electricity are connected.

7. A rapid cold-hot cycling test stand according to claim 6, wherein: the right side surface of the cold water tank (10) is fixedly connected with the bottom end of a cold circulating pipe (12), the upper end of the cold circulating pipe (12) penetrates through the right side surface of the test box (13) and is arranged in the liquid storage cavity (16), and the upper end of the cold circulating pipe (12) is internally provided with another valve (18).