CN113508708A

CN113508708A - Internal temperature controllable closed experimental analysis test box

Info

Publication number: CN113508708A
Application number: CN202110798002.XA
Authority: CN
Inventors: 张才学; 赵利容
Original assignee: Guangdong Ocean University
Current assignee: Guangdong Ocean University
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-10-19

Abstract

The invention discloses a closed experimental analysis test box with controllable internal temperature, which comprises a closed box body, wherein a box door is rotatably arranged on the right side of the closed box body through a hinge, sealing strips are fixedly connected to the upper side and the lower side of the box door, the sealing strips are arranged on the outer side of the edge of the box door in a side view, and the inner side of each sealing strip is attached to the closed box body when the box door is closed; the sealing gasket is embedded inside the left side of the closed box body. This controllable closed experiment analysis test box of inside temperature, after putting into airtight box with inside seed planting dish, adjust the temperature as required, the temperature sensor can show airtight box inside temperature, when needing to heat, with the heating wire heating, blow in the raising the temperature through the fan with hot-blast, when needing to increase humidity, add water with the sponge piece, and then the wind humidification that will blow in, thereby conveniently regulate and control temperature and humidity, thereby conveniently improve the experiment precision, reduce the influence of variable error to the experimental result.

Description

Internal temperature controllable closed experimental analysis test box

Technical Field

The invention relates to the technical field of experimental equipment, in particular to a closed experimental analysis test box with controllable internal temperature.

Background

In the experimental test, a closed box body is usually needed, the temperature, the humidity and other variables are controlled, then data are recorded and analyzed, and in the plant cultivation, the closed box is usually used for experimental cultivation of seeds.

Chinese patent No. CN212306308U, announcement day 2021 year 01 month 18 day, disclose a cultivate airtight box, refrigerating unit, the aluminium inner bag, the lamp house, the evaporator cover, a supporting plate, mesh ventilating board, this totally enclosed type incubator is totally enclosed to the plant, reduce people when operating the plant, the influence of humiture and air concentration in the aluminium inner bag, and can effectively get rid of the light source heat, and guarantee to cultivate holistic leakproofness and the heat preservation effect of airtight box, improve the experiment precision, the people of being convenient for use.

The experimental leakproofness of breeding has been improved among the above-mentioned prior art scheme, but in carrying out experimental the breeding of seed, the temperature isovariate often influences the experimental result as important reaction condition, and then needs design a kind of inside temperature can be regulated and control the test box, and should realize the purpose of facilitating the use.

Aiming at the problems, innovative design is urgently needed on the basis of the original test box structure.

Disclosure of Invention

The invention aims to provide a closed experimental analysis test box with controllable internal temperature, which aims to solve the problem that the internal temperature is inconvenient to regulate and control in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a closed experimental analysis test box with controllable internal temperature, comprising:

the sealing box body is provided with a box door on the right side in a rotating mode through a hinge, sealing strips are fixedly connected to the upper side and the lower side of the box door, the sealing strips are arranged on the outer side of the edge of the box door in a side view, and the inner side of each sealing strip is connected with the sealing box body in a laminating mode when the box door is closed;

the sealing gasket is embedded in the left side of the closed box body, and the position of the sealing gasket is arranged corresponding to the position of the box door;

the water receiving box is placed inside the bottom of the closed box body, sliding structures are fixedly arranged on two sides of the inner wall of the closed box body, and the size of the water receiving box is smaller than that of the box door;

the planting box is movably connected with the closed box body through a sliding structure, is arranged at the bottom of the inner side of the closed box body and is of a net structure;

the spray pipes are symmetrically arranged on the inner wall of the middle part of the closed box body, extend towards the middle part of the closed box body and are bent downwards;

the temperature sensor is fixedly arranged at the top of the right side of the closed box body, a humidity sensor is arranged on the left side of the temperature sensor, and the detection structures of the temperature sensor and the humidity sensor extend into the closed box body;

the air supply pipe is fixedly connected to the right side of the top of the closed box body;

the fan is fixedly arranged at the top of the left side of the closed box body, the right side of the fan is provided with the electric heating wire, the right side of the electric heating wire is provided with an air inlet, and the air inlet is formed in the top of the left side of the closed box body;

the lamp plate sets up inside airtight box.

Preferably, the right side fixed mounting of chamber door has the buckle, and the buckle includes fixture block, card strip and fixed strip to the left side of fixture block and the right side fixed connection of chamber door, card strip fixed connection is in the left side of fixture block moreover, and fixed strip fixed connection is in the left side of airtight box simultaneously, and setting up of buckle is convenient to be fixed the chamber door after closing.

Preferably, the chamber door passes through the fixture block and blocks the strip and is connected with the fixed strip block, and the sliding structure symmetry sets up inside airtight box to sliding structure includes cardboard, spout, ball and removal strip, and the inner wall at the cardboard is seted up to the spout moreover, and the outer wall and the spout roll connection of ball simultaneously, the setting up of ball is convenient to slide the removal strip in the inside of cardboard, and then the placing of box is planted to the convenience.

Preferably, the right side outer wall of removal strip is connected with the inner wall removal of cardboard, and the ball rotates and installs the top inner wall and the bottom inner wall at removal strip to remove the strip and pass through ball and spout sliding connection, remove a fixed connection in the both sides of planting the box moreover, plant the box simultaneously and move with the cardboard through removing the strip and be connected, and the setting up of removing the strip is convenient to plant the box and put into airtight box inside.

Preferably, the right side of air intake is provided with the humidification box, and the sponge piece has been placed to the inside of humidification box to the top of sponge piece is provided with the inlet tube, and the outer wall of inlet tube and the inner wall fixed connection of airtight box, the setting up of sponge piece is convenient to pass through the inlet tube with water and is added the absorption, and then conveniently with air humidifying, thereby increases inside humidity.

Preferably, the middle part fixed mounting of airtight box has the backup pad, and the airtight box looks sideways the right side inner wall and the left side fixed connection of backup pad to the backup pad passes through the bearing and rotates and install the threaded rod, and the top outer wall of threaded rod is provided with the sealing washer moreover, and the setting of sealing washer increases the leakproofness between threaded rod and the airtight box.

Preferably, the outer wall of sealing washer and the top inner wall fixed connection of airtight box, and the inner wall and the threaded rod laminating swing joint of sealing washer to the outer wall of threaded rod and the left side inner wall threaded connection of lamp plate, what look sideways at left side fixed mounting of lamp plate has elevation structure in addition, and elevation structure includes fixed column and gyro wheel simultaneously, and the threaded rod rotates and removes the lamp plate externally, and then adjusts the height of lamp plate.

Preferably, fixed column fixed mounting is inside the left side of looking sideways at of lamp plate, and the gyro wheel rotates and installs the outer wall at the fixed column to the gyro wheel symmetry sets up in the left side of lamp plate, and the spacing groove has been seted up to the positive rear side inner wall of airtight box moreover, and the setting up of gyro wheel is convenient to remove the lamp plate.

Preferably, the inner wall of spacing groove and the outer wall roll connection of gyro wheel, and the lamp plate passes through gyro wheel and airtight box roll connection to the position setting that the spacing groove corresponds the gyro wheel is at the rear side inner wall of airtight box, and the setting of spacing groove is convenient to be restricted the position of gyro wheel, and then makes things convenient for the lamp plate to reciprocate.

Compared with the prior art, the invention has the beneficial effects that: the internal temperature controllable closed experimental analysis test box;

1. the device is provided with the heating wire, the fan and the humidifying box, after the planting plate and the seeds inside the planting plate are placed in the closed box body, the temperature is adjusted according to needs, the temperature sensor can display the temperature inside the closed box body, when the temperature needs to be increased, the heating wire is heated, hot air is blown into the closed box body through the fan to increase the temperature, when the humidity needs to be increased, the sponge block is added with water, and then the blown air is humidified, so that the temperature and the humidity can be conveniently regulated, the experiment precision can be conveniently improved, and the influence of variable errors on the experiment result can be reduced;

2. the lamp plate can move up and down in the limiting groove through rotation of the threaded rod, so that the height of the lamp plate is adjusted, the requirement of the lamp is met, when watering is needed, the seeds can be prevented from moving out and watering to damage the living environment of the seeds, and the sealed box body is made of transparent materials, so that a user can conveniently observe the growth condition of the seeds in the box body;

3. be provided with and plant box, removal strip and chamber door, when placing the seed, will plant the box and put into airtight box through sliding construction inside, and then make things convenient for placing of seed to take, and the junction zonulae occludens of chamber door and airtight box is provided with sealing strip and sealed isotructure simultaneously, and then conveniently guarantees experimental environment's leakproofness, and the water receiving box also can take out the water that will spray and drip simultaneously and handle.

Drawings

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

FIG. 2 is a schematic exploded view of the humidifying box and sponge block of the present invention;

FIG. 3 is a schematic side sectional view of the threaded rod and the lamp panel of the present invention;

FIG. 4 is a schematic view of a connecting side-sectional structure of the elevating structure and the lamp panel of the present invention;

FIG. 5 is a schematic view of a spatial structure of the water-receiving box of the present invention;

FIG. 6 is a schematic view of the spatially resolved structure of the moving bar and the clamping plate of the present invention;

FIG. 7 is a schematic view of a spatially-resolved structure of the buckle of the present invention;

FIG. 8 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. sealing the box body; 2. a box door; 3. a sealing strip; 4. buckling; 41. a clamping block; 42. clamping the strip; 43. a fixing strip; 5. a gasket; 6. a water receiving box; 7. a sliding structure; 71. clamping a plate; 72. a chute; 73. a ball bearing; 74. a moving bar; 8. planting boxes; 9. a water spray pipe; 10. a temperature sensor; 11. a humidity sensor; 12. a gas supplementing pipe; 13. a fan; 14. an electric heating wire; 15. a water inlet pipe; 16. a humidifying box; 17. a sponge block; 18. a support plate; 19. a threaded rod; 20. a seal ring; 21. a lamp panel; 22. a lifting structure; 221. fixing a column; 222. a roller; 23. a limiting groove; 24. and an air inlet.

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. 1-8, the present invention provides a technical solution: a closed experimental analysis test box with controllable internal temperature comprises a closed box body 1, a box door 2, a sealing strip 3, a buckle 4, a clamping block 41, a clamping strip 42, a fixing strip 43, a sealing gasket 5, a water receiving box 6, a sliding structure 7, a clamping plate 71, a sliding groove 72, a ball 73, a moving strip 74, a planting box 8, a water spraying pipe 9, a temperature sensor 10, a humidity sensor 11, an air supplementing pipe 12, a fan 13, an electric heating wire 14, a water inlet pipe 15, a humidifying box 16, a sponge block 17, a supporting plate 18, a threaded rod 19, a sealing ring 20, a lamp plate 21, a lifting structure 22, a fixing column 221, a roller 222, a limiting groove 23 and an air inlet 24;

the sealing box body 1 is characterized in that a box door 2 is rotatably installed on the right side of the sealing box body 1 through a hinge, sealing strips 3 are fixedly connected to the upper side and the lower side of the box door 2, the sealing strips 3 are arranged on the outer side of the edge of the box door 2 in a side view, the inner side of the sealing strips 3 is connected with the sealing box body 1 in a laminating manner when the box door 2 is closed, sealing gaskets 5 are embedded in the left side of the sealing box body 1, the positions of the sealing gaskets 5 are arranged corresponding to the positions of the box door 2, the sealing strips 3 and the sealing gaskets 5 are arranged to conveniently fill gaps between the box door 2 and the sealing box body 1, so that the sealing performance inside the sealing box body 1 is improved, a buckle 4 is fixedly installed on the right side of the box door 2, the buckle 4 comprises a clamping block 41, a clamping strip 42 and a fixing strip 43, the left side of the clamping block 41 is fixedly connected with the right side of the box door 2, the clamping strip 42 is fixedly connected with the left side of the clamping block 41, and the fixing strip 43 is fixedly connected with the left side of the sealing box body 1, the buckle 4 is convenient to fix the box door 2 after being closed, the box door 2 is connected with the fixing strip 43 in a clamping manner through the clamping block 41 and the clamping strip 42, seeds are placed into the airtight box body 1 according to the graph in fig. 1 and 7, the box door 2 is rotated through the hinge, the box door 2 is further closed, then the box door 2 is pressed towards the airtight box body 1, the clamping strip 42 on the clamping block 41 is clamped with the fixing strip 43 on the airtight box body 1, the box door 2 is further fixed, meanwhile, the sealing strip 3 is used for laminating and covering a gap at the joint of the box door 2 and the airtight box body 1, the sealing gasket 5 is used for laminating the contact surface of the airtight box body 1 and the box door 2, and the sealing performance between the box door 2 and the airtight box body 1 is further improved;

a temperature sensor 10 fixedly installed at the top of the right side of the airtight box 1, and a humidity sensor 11 is installed at the left side of the temperature sensor 10, and detection structures of the temperature sensor 10 and the humidity sensor 11 extend into the airtight box 1, the temperature sensor 10 is convenient to set up so as to watch the internal temperature change in time, and the humidity sensor 11 can observe the internal humidity change, so as to conveniently regulate and control the temperature and the humidity, an air supplement pipe 12 fixedly connected to the right side of the top of the airtight box 1, the air supplement pipe 12 is convenient to introduce the required carbon dioxide gas into the airtight box 1, a fan 13 is fixedly installed at the top of the left side of the airtight box 1, and a heating wire 14 is installed at the right side of the fan 13, and an air inlet 24 is installed at the right side of the heating wire 14, and the air inlet 24 is opened at the top of the left side of the airtight box 1, the air generated by the fan 13 is convenient to blow into the airtight box 1 due to the arrangement of the air inlet 24, the right side of the air inlet 24 is provided with a humidifying box 16, a sponge block 17 is placed in the humidifying box 16, a water inlet pipe 15 is arranged at the top of the sponge block 17, the outer wall of the water inlet pipe 15 is fixedly connected with the inner wall of the airtight box 1, the sponge block 17 is convenient to add and absorb water through the water inlet pipe 15, and further air is conveniently humidified, so that the internal humidity is increased, according to the graph 1, the graph 2 and the graph 8, the temperature in the airtight box 1 is observed through a temperature sensor 10, when the temperature is required to be increased, a heating wire 14 is heated, then air blown out by a fan 13 is heated through the heating wire 14 and blown into the airtight box 1 through the air inlet 24, so that the temperature in the airtight box 1 is increased, the internal humidity is observed through a humidity sensor 11, when the humidity is required to be increased, the water is added through the water inlet pipe 15, and further the sponge block 17 is wetted, so that the blown air is humidified, thereby increasing the humidity inside the closed box body 1 and adjusting the directions of damp heat, damp cold, dry heat and the like in the closed box body 1 according to the requirement;

the spray pipes 9 are symmetrically arranged on the inner wall of the middle part of the closed box body 1, the spray pipes 9 extend towards the middle part of the closed box body 1 and are bent downwards, the spray pipes 9 are convenient to arrange for spraying seeds inside, the water receiving box 6 is placed inside the bottom of the closed box body 1, the sliding structures 7 are fixedly arranged on two sides of the inner wall of the closed box body 1, and the size of the water receiving box 6 is smaller than that of the box door 2, so that the water receiving box 6 can be taken out conveniently to treat water stain inside, referring to fig. 1, 3 and 5, when seeds in the closed box 1 need to be irrigated, the water spraying pipe 9 is filled with water, further uniformly spraying and irrigating the interior of the planting box 8, and the redundant water can slide down to the interior of the water receiving box 6 through the meshes of the planting box 8, further collecting the water mixed with the soil, and taking out the water receiving box 6 by opening the box door 2 according to the requirement;

planting box 8 is movably connected with airtight box 1 through sliding structure 7, planting box 8 is arranged at the bottom of the inner side of airtight box 1, planting box 8 is of a net structure, further redundant water is convenient to permeate and fall through planting box 8 when spraying irrigation, and temperature homogenization of internal soil is convenient, sliding structure 7 is symmetrically arranged inside airtight box 1, sliding structure 7 comprises clamping plate 71, sliding groove 72, balls 73 and moving strip 74, sliding groove 72 is arranged on the inner wall of clamping plate 71, the outer wall of balls 73 is connected with sliding groove 72 in a rolling manner, balls 73 are arranged to facilitate sliding of moving strip 74 inside clamping plate 71, further placement of planting box 8 is convenient, the outer wall of the right side of moving strip 74 is movably connected with the inner wall of clamping plate 71, balls 73 are rotatably arranged on the inner wall of the top and the inner wall of the bottom of moving strip 74, and moving strip 74 is connected with sliding groove 72 through balls 73 in a sliding manner, the movable strips 74 are fixedly connected to two sides of the planting box 8, meanwhile, the planting box 8 is movably connected with the clamping plate 71 through the movable strips 74, the arrangement of the movable strips 74 is convenient for placing the planting box 8 into the closed box body 1, according to the figures 1 and 6, when the planting box 8 is taken and placed, the movable strips 74 are directly aligned to the inside of the clamping plate 71, then the planting box 8 is pushed inwards or pulled out, and meanwhile, the movable strips 74 slide in the sliding grooves 72 of the clamping plate 71 through the balls 73, so that the planting box 8 is taken and moved conveniently;

the lamp panel 21 is arranged inside the airtight box body 1, the middle part of the airtight box body 1 is fixedly provided with the supporting plate 18, the side-looking right inner wall of the airtight box body 1 is fixedly connected with the left side of the supporting plate 18, the supporting plate 18 is rotatably provided with the threaded rod 19 through a bearing, the top outer wall of the threaded rod 19 is provided with the sealing ring 20, the sealing ring 20 is arranged to increase the sealing property between the threaded rod 19 and the airtight box body 1, the outer wall of the sealing ring 20 is fixedly connected with the top inner wall of the airtight box body 1, the inner wall of the sealing ring 20 is movably connected with the threaded rod 19 in a fit manner, the outer wall of the threaded rod 19 is in threaded connection with the left inner wall of the lamp panel 21, the side-looking left side of the lamp panel 21 is fixedly provided with the lifting structure 22, meanwhile, the lifting structure 22 comprises a fixing column 221 and a roller 222, the threaded rod 19 rotates to move the lamp panel 21 outside, and further adjust the height of the lamp panel 21, the fixing column 221 is fixedly installed inside the left side of the lamp panel 21, the rollers 222 are rotatably installed on the outer wall of the fixing column 221, the rollers 222 are symmetrically arranged on the left side of the lamp panel 21, the limiting groove 23 is formed in the inner wall of the rear side of the front face of the airtight box body 1, the rollers 222 are convenient to move the lamp panel 21, the inner wall of the limiting groove 23 is in rolling connection with the outer wall of the rollers 222, the lamp panel 21 is in rolling connection with the airtight box body 1 through the rollers 222, the limiting groove 23 is arranged on the inner wall of the rear side of the airtight box body 1 corresponding to the position of the rollers 222, the position of the rollers 222 is convenient to limit through the arrangement of the limiting groove 23, the lamp panel 21 can move up and down conveniently, according to the figures 1, 3 and 4, when seed illumination is performed, the height of the lamp panel 21 is adjusted as required, the lamp panel 21 can be driven to move only through rotation of the screw rod 19 through the transmission device, because threaded rod 19 carries out the rotation through the bearing in the inside of backup pad 18, and then rotates lamp plate 21 in the outside of threaded rod 19 and remove, and lamp plate 21 rolls in the inside of spacing groove 23 through gyro wheel 222 when removing to restriction lamp plate 21 carries out vertical movement, and then has made things convenient for lamp plate 21's position adjustment.

The working principle is as follows: when the closed experimental analysis test box with controllable internal temperature is used, according to fig. 1, fig. 2 and fig. 8, the temperature and humidity inside the closed box body 1 are observed through the temperature sensor 10 and the humidity sensor 11, when the temperature needs to be increased, air blown out by the fan 13 is heated by the heating wire 14 and blown into the closed box body 1, so that the temperature inside the closed box body 1 is raised, when the humidity needs to be increased, water enters the sponge block 17 through the water inlet pipe 15, so that the blown air is humidified, the humidity inside the closed box body 1 is increased, and the temperature and the humidity inside the closed box body 1 can be adjusted as required;

according to the drawings of 3, 4 and 5, the height of the lamp panel 21 is adjusted according to illumination requirements, the lamp panel 21 can be driven to move only by rotating the screw rod, the threaded rod 19 is driven to rotate inside the supporting plate 18 through the transmission device, the lamp panel 21 is further driven to rotate outside the threaded rod 19, the position of the lamp panel 21 is adjusted, when seeds are irrigated, the water spraying pipe 9 is filled with water for spraying irrigation, and redundant water can downwards slide into the water receiving box 6 through meshes of the planting box 8;

according to fig. 1, 6 and 7, when planting box 8 and taking, it is inside that the cardboard 71 is aligned to the removal strip 74 directly, slide in the spout 72 of cardboard 71 through ball 73, and then make things convenient for the removal of taking of planting box 8, put into airtight box 1 with the seed after, close chamber door 2, press fixture block 41, and then with card strip 42 and fixed strip 43 block, it is fixed with chamber door 2, sealed strip 3 and sealed 5 seal the junction of airtight box 1 and chamber door 2 simultaneously, and then increase the leakproofness between chamber door 2 and the airtight box 1.

Those not described in detail in this specification are within the skill of the art.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a controllable closed experiment analysis test box of inside temperature which characterized in that includes:

the lamp plate sets up inside airtight box.

2. The closed experimental analysis test box with the controllable internal temperature as claimed in claim 1, wherein the right side of the box door is fixedly provided with a buckle, the buckle comprises a clamping block, a clamping strip and a fixing strip, the left side of the clamping block is fixedly connected with the right side of the box door, the clamping strip is fixedly connected to the left side of the clamping block, and the fixing strip is fixedly connected to the left side of the closed box body.

3. The closed experimental analysis test box with the controllable internal temperature as claimed in claim 2, wherein the box door is connected with the fixing strip through a clamping block and a clamping strip in a clamping manner, the sliding structures are symmetrically arranged inside the closed box body, the sliding structures comprise a clamping plate, a sliding groove, a ball and a moving strip, the sliding groove is arranged on the inner wall of the clamping plate, and the outer wall of the ball is connected with the sliding groove in a rolling manner.

4. The closed experimental analysis test box with the controllable internal temperature as claimed in claim 3, wherein the right outer wall of the moving strip is movably connected with the inner wall of the clamping plate, and the balls are rotatably installed on the top inner wall and the bottom inner wall of the moving strip, and the moving strip is slidably connected with the sliding groove through the balls, and the moving strip is fixedly connected to both sides of the planting box, and the planting box is movably connected with the clamping plate through the moving strip.

5. The closed experimental analysis test box with the controllable internal temperature as claimed in claim 1, wherein a humidification box is arranged on the right side of the air inlet, a sponge block is placed inside the humidification box, a water inlet pipe is arranged at the top of the sponge block, and the outer wall of the water inlet pipe is fixedly connected with the inner wall of the closed box body.

6. The closed experimental analysis test box with the controllable internal temperature as claimed in claim 5, wherein a support plate is fixedly installed in the middle of the closed box body, the right inner wall of the side view of the closed box body is fixedly connected with the left side of the support plate, a threaded rod is rotatably installed on the support plate through a bearing, and a sealing ring is arranged on the outer wall of the top of the threaded rod.

7. The closed experimental analysis test box with the controllable internal temperature of claim 6, characterized in that, the outer wall of the sealing ring is fixedly connected with the inner wall of the top of the closed box body, the inner wall of the sealing ring is movably connected with the threaded rod in a fitting manner, the outer wall of the threaded rod is connected with the inner wall of the left side of the lamp plate in a threaded manner, a lifting structure is fixedly mounted on the left side of the lamp plate in a side viewing manner, and the lifting structure comprises a fixing column and a roller.

8. The closed experimental analysis test box with the controllable internal temperature of claim 7, characterized in that the fixed column is fixedly installed inside the left side of the side view of the lamp panel, the idler wheels are rotatably installed on the outer wall of the fixed column, the idler wheels are symmetrically arranged on the left side of the lamp panel, and a limiting groove is formed in the inner wall of the front rear side of the closed box body.

9. The closed experimental analysis test box with the controllable internal temperature of claim 8, characterized in that the inner wall of the limiting groove is in rolling connection with the outer wall of the roller, the lamp panel is in rolling connection with the closed box body through the roller, and the position of the limiting groove corresponding to the roller is arranged on the inner wall of the rear side of the closed box body.