CN219482728U

CN219482728U - Constant-pressure constant-temperature tank for plateau

Info

Publication number: CN219482728U
Application number: CN202320094061.3U
Authority: CN
Inventors: 郑雪雪; 谢春江; 张辉; 黄鹏; 马俊; 次仁拉姆; 强巴旦增; 格桑央宗; 石秀珍
Original assignee: Shannan Market Supervision And Administration Bureau; Hefei Institute Of Metrology And Testing Hefei Institute Of Weights And Measures Management
Current assignee: Shannan Market Supervision And Administration Bureau; Hefei Institute Of Metrology And Testing Hefei Institute Of Weights And Measures Management
Priority date: 2023-02-01
Filing date: 2023-02-01
Publication date: 2023-08-08
Anticipated expiration: 2033-02-01

Abstract

The utility model discloses a constant-pressure constant-temperature tank for a plateau, which relates to the technical field of constant-temperature tanks and comprises a tank body, wherein a baffle is arranged in the tank body, one side of the baffle is fixedly provided with an experiment tank, the other side of the baffle is fixedly provided with a circulating tank, and the constant-pressure constant-temperature tank also comprises a temperature control component which is fixedly arranged on the periphery of the circulating tank and is positioned in the tank body and is used for detecting the temperature in the experiment tank and controlling the constant temperature of liquid in the circulating tank; the liquid inlet circulation assembly is positioned at the top end of the circulation tank and is used for controlling the liquid in the circulation tank to flow into the experiment tank; the liquid outlet circulation assembly is positioned at the top end of the circulation tank and is used for controlling the liquid in the experiment tank to flow into the circulation tank; the gas balance component is fixedly arranged on the side wall of the tank body and communicated with the experimental tank and is used for controlling the internal gas pressure of the experimental tank and keeping the internal gas pressure balanced when the experimental tank works; the utility model can ensure the stability of temperature and pressure in the working condition in the experimental tank, does not need to manually replace liquid medium, and reduces the burden of staff.

Description

Constant-pressure constant-temperature tank for plateau

Technical Field

The utility model relates to the technical field of constant temperature tanks, in particular to a constant pressure constant temperature tank for a plateau.

Background

The constant temperature tank is a tank body capable of providing constant temperature, and is particularly suitable for chemical, biological and physical laboratories which need to maintain working at low temperature and normal temperature. Thermostats can be classified as thermostatic air, commonly referred to as thermostats, thermostatic liquids, commonly referred to as thermostats. The constant temperature tank has the function of stabilizing and homogenizing the temperature in the working area by controlling the temperature of the liquid medium in the tank body, and providing a reliable experimental environment for the temperature in the working area. The existing thermostats are generally only used in laboratories with constant air pressure at lower altitudes, and for some plateau laboratories, the air pressure is lower due to the higher altitude, which makes the use of thermostats suitable for most laboratories with lower altitudes more error.

The utility model of China with the bulletin number of CN207641496U discloses a constant temperature tank, which comprises a tank body and a tank cavity in the tank body, wherein a cover plate is arranged at the upper end of the tank cavity, a baffle plate is arranged in the tank cavity, the tank body is divided into a left experimental cavity and a right circulating cavity by the baffle plate, a water inlet pipe is connected between the experimental cavity and the circulating cavity, and the upper end face of the baffle plate is lower than the upper end face of the tank cavity; the apron that circulation chamber upper portion set up is first apron, is provided with liquid circulation device on the first apron, and liquid circulation device includes the motor of first apron upside and the water pump device of downside, and the axle of motor passes first apron and links to each other with water pump device. The device has the advantages of idle running prevention, convenient inspection and cleaning, and the like. However, this prior art is generally only used in experimental places where the air pressure is fixed at a fixed altitude, and for some plateau areas, the air pressure is different from the normal air pressure, and in this case, the temperature is easily constant and has an error due to the imbalance of the air pressure.

Disclosure of Invention

Aiming at the technical problems, the utility model discloses a constant-pressure constant-temperature groove for a plateau, which comprises a groove body, wherein a baffle is arranged in the groove body, one side of the baffle is fixedly provided with an experiment groove, the other side of the baffle is fixedly provided with a circulating groove, and the constant-pressure constant-temperature groove also comprises a temperature control component, wherein the temperature control component is fixedly arranged on the periphery of the circulating groove and is positioned in the groove body and is used for detecting the temperature in the experiment groove and controlling the constant temperature of liquid in the circulating groove; the liquid inlet circulation assembly is positioned at the top end of the circulation tank and used for controlling the liquid in the circulation tank to flow into the experiment tank; the liquid outlet circulation assembly is positioned at the top end of the circulation tank and used for controlling the liquid in the experiment tank to flow into the circulation tank; and the gas balance component is fixedly arranged on the side wall of the tank body and is communicated with the experimental tank and used for controlling the internal air pressure of the experimental tank during operation and keeping balance.

Further, the temperature control assembly comprises a temperature controller, the temperature controller is fixedly arranged below the side wall of the tank body, the front end of the temperature controller is fixedly connected with a thermostatic pipe, the thermostatic pipe is fixedly arranged on the periphery of the circulating tank, the side wall of the temperature controller is fixedly connected with the first end of a connecting pipe, the second end of the connecting pipe is fixedly connected with a temperature sensor, and the temperature sensor is fixedly arranged at the bottom end of the inside of the experimental tank.

Further, still include the circulation tank apron, the bottom at the circulation tank is installed to the circulation tank apron and is contacted with the baffle and the interior edge of cell body, circulation tank apron middle part is equipped with the empty slot, installs the liquid circulation fixed plate in the empty slot, liquid circulation fixed plate and empty slot assorted and bottom and the bottom parallel and level of circulation tank apron, be equipped with the empty slot on the liquid circulation fixed plate.

Further, feed liquor circulation subassembly includes pump body I, pump body I fixed mounting is in the empty slot of liquid circulation fixed plate, pump body I is cavity structure, pump body I top fixed mounting has motor I, the first end of motor I's output fixedly connected with motor shaft I, the second end fixedly connected with impeller I of motor shaft I, impeller I is located pump body I inner chamber, the inside bottom of pump body I is equipped with the inlet, inlet and the first end fixed connection of pipette, the second end of pipette is located circulation tank bottom, the inside lateral wall of pump body I is equipped with the liquid outlet, the first end fixed connection of liquid outlet and feed liquor pipe, the second end of feed liquor pipe is located experimental tank bottom.

Further, go out liquid circulation subassembly and include pump body II, drain pipe, pump body II fixed mounting is in the empty slot of liquid circulation fixed plate, pump body II is the cavity structure, pump body II top fixed mounting has motor II, motor II's output fixedly connected with motor shaft II's first end, motor shaft II's second end fixedly connected with impeller II, impeller II is located pump body II inner chamber, the inside bottom of pump body II is equipped with the liquid outlet, the first end fixed connection of liquid outlet and drain pipe, the second end of drain pipe is located the circulation inslot, the inside lateral wall of pump body II is equipped with the inlet, the first end fixed connection of inlet and drain pipe, the second end of drain pipe is located the experimental tank.

Further, the gas balance assembly comprises a balance cylinder, the side wall top of balance cylinder fixed mounting at the experimental tank, the first end of balance cylinder is equipped with the gas communication mouth, is linked together with the experimental tank, the inside slidable mounting of balance cylinder has the cylinder piston, the second fixed mounting of balance cylinder is at the lateral wall of cell body and is linked together with the first end of intercommunication piece, intercommunication piece fixed mounting is at the lateral wall of cell body, the second end of intercommunication piece is linked together with the first end of working cylinder, working cylinder fixed mounting is at the lateral wall of cell body, the first end of cylinder pole is slided to working cylinder, the second end fixedly connected with mount of working cylinder, mount fixed mounting is at the lateral wall of cell body, the mount can contact with the second end of cylinder pole.

Further, still include experimental tank cover plate, experimental tank cover plate fixed mounting is in the bottom of experimental tank, and with the baffle and the interior edge contact of cell body, experimental tank cover plate inside is equipped with the spout, sliding mounting has experimental tank sliding plate in the spout, the top of experimental tank sliding plate is equipped with the handle.

Further, the experimental groove sliding plate is made of transparent materials.

Compared with the prior art, the utility model has the beneficial effects that: (1) According to the utility model, the temperature control assembly is arranged, the temperature of the liquid medium working in the experimental tank is monitored in real time by using the temperature sensor, and the stability of the temperature in the working condition in the experimental tank is ensured; (2) According to the utility model, the liquid circulation assembly is arranged, so that the liquid medium with constant temperature in the circulation tank can be conveyed into the experiment tank, and the liquid outlet circulation assembly can return the liquid medium with changed temperature in the experiment tank into the circulation tank to restore the temperature of the liquid medium, so that the working temperature in the experiment tank is not changed, meanwhile, the liquid medium is not required to be replaced manually, and the burden of staff is reduced; (3) According to the utility model, the gas balance component is arranged, and the pressure difference between the working cylinder and the gas inside the balance cylinder is utilized to control the gas pressure in the experimental tank, so that the stability of the pressure in the working condition of the device is ensured, and the working can be performed under different external environments.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view showing the whole structure of the experimental tank sliding plate in the opened state.

Fig. 3 is a schematic structural diagram of a temperature control assembly according to the present utility model.

Fig. 4 is a schematic structural diagram of a liquid inlet circulation assembly and a liquid outlet circulation assembly according to the present utility model.

Fig. 5 is a schematic diagram of the structure of the liquid inlet circulation assembly and the liquid outlet circulation assembly of the present utility model with the motor and the pump removed.

Fig. 6 is a front view of a gas balance assembly of the present utility model.

Fig. 7 is a cross-sectional view taken along the direction A-A in fig. 6.

FIG. 8 is a schematic diagram of a gas balance assembly according to the present utility model.

Reference numerals: 1-a groove body; 2-an experiment tank; 3-a circulation tank; 4-experimental tank cover plate; 5-an experiment groove sliding plate; 6-a circulating tank cover plate; 7-a liquid circulation fixing plate; 8-a temperature control component; 801-a temperature controller; 802-thermostatic tube; 803-connecting tube; 804-a temperature sensor; 9-a liquid inlet circulation assembly; 901-a motor I; 902-a motor shaft I; 903-rotating impeller I; 904-pump body I; 905-a liquid inlet pipe; 906-pipette; 10-a liquid outlet circulation assembly; 1001-motor II; 1002-motor shaft II; 1003-rotating an impeller II; 1004-a pump body II; 1005-a liquid discharge tube; 1006-a liquid outlet pipe; 11-a gas balance assembly; 1101-balancing cylinder; 1102-a cylinder piston; 1103-connected block; 1104-working cylinder; 1105-cylinder rod; 1106-fixing frame.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Examples: the constant-pressure constant-temperature groove for the plateau as shown in fig. 1 and 2 comprises a groove body 1, wherein a baffle is arranged in the groove body 1, one side of the baffle is fixedly provided with an experiment groove 2, the other side of the baffle is fixedly provided with a circulation groove 3, the constant-pressure constant-temperature groove also comprises an experiment groove cover plate 4, the experiment groove cover plate 4 is fixedly arranged at the bottom end of the experiment groove 2 and is contacted with the baffle and the inner edge of the groove body 1, a sliding groove is arranged in the experiment groove cover plate 4, an experiment groove sliding plate 5 is arranged in the sliding groove in a sliding way, the top end of the experiment groove sliding plate 5 is provided with a handle, and the experiment groove sliding plate 5 is made of transparent materials; the circulating groove cover plate 6 is arranged at the bottom end of the circulating groove 3 and is contacted with the baffle plate and the inner edge of the groove body 1, an empty groove is formed in the middle of the circulating groove cover plate 6, a liquid circulating fixed plate 7 is arranged in the empty groove, the liquid circulating fixed plate 7 is matched with the empty groove, the bottom end of the liquid circulating fixed plate is flush with the bottom end of the circulating groove cover plate 6, and the empty groove is formed in the liquid circulating fixed plate 7; the temperature control assembly 8 is fixedly arranged on the periphery of the circulating tank 3 and positioned in the tank body 1 and is used for detecting the temperature in the experimental tank 2 and controlling the constant temperature of the liquid in the circulating tank 3; the liquid inlet circulation assembly 9 is positioned at the top end of the circulation tank 3 and is used for controlling the liquid in the circulation tank 3 to flow into the experiment tank 2; the liquid outlet circulation assembly 10 is positioned at the top end of the circulation tank 3 and is used for controlling the liquid in the experiment tank 2 to flow into the circulation tank 3; the gas balance component 11 is fixedly arranged on the side wall of the tank body 1 and communicated with the experimental tank 2, and is used for controlling the internal gas pressure of the experimental tank 2 during operation and keeping balance.

As shown in fig. 3, the temperature control assembly 8 comprises a temperature controller 801, the temperature controller 801 is fixedly installed below the side wall of the tank body 1, the front end of the temperature controller 801 is fixedly connected with a thermostatic pipe 802, the thermostatic pipe 802 is fixedly installed on the periphery of the circulating tank 3, the side wall of the temperature controller 801 is fixedly connected with a first end of a connecting pipe 803, the second end of the connecting pipe 803 is fixedly connected with a temperature sensor 804, and the temperature sensor 804 is fixedly installed at the bottom end of the inside of the experimental tank 2; the temperature sensor 804 can sense the temperature of the liquid in the experimental tank 2, and transmits the temperature value to the temperature controller 801 through the connection pipe 803, and the temperature controller 801 controls the thermostatic pipe 802 to keep the temperature constant.

As shown in fig. 4 and 5, the liquid inlet circulation assembly 9 comprises a pump body i 904, the pump body i 904 is fixedly installed in a hollow groove of the liquid circulation fixing plate 7, the pump body i 904 is of a hollow cavity structure, a motor i 901 is fixedly installed at the top end of the pump body i 904, the output end of the motor i 901 is fixedly connected with a first end of a motor shaft i 902, a second end of the motor shaft i 902 is fixedly connected with a rotary impeller i 903, the rotary impeller i 903 is located in an inner cavity of the pump body i 904, a liquid inlet is formed in the inner bottom of the pump body i 904, the liquid inlet is fixedly connected with a first end of a liquid suction pipe 906, a second end of the liquid suction pipe 906 is located in the inner bottom of the circulation groove 3, a liquid outlet is formed in the inner side wall of the pump body i 904, the liquid outlet is fixedly connected with a first end of a liquid inlet pipe 905, and a second end of the liquid inlet pipe 905 is located in the inner bottom of the experiment groove 2; during operation, the motor I901 is started, the motor shaft I902 drives the rotary impeller I903 to rotate, so that the pressure inside and outside the pump body I904 is different, and liquid in the circulating tank 3 enters the pump body I904 through the liquid suction pipe 906 and is sent into the experimental tank 2 through the liquid inlet pipe 905.

As shown in fig. 4 and 5, the liquid outlet circulation assembly 10 includes a pump body ii 1004, the pump body ii 1004 is fixedly mounted in a hollow groove of the liquid circulation fixing plate 7, the pump body ii 1004 is in a hollow cavity structure, a motor ii 1001 is fixedly mounted at the top end of the pump body ii 1004, the output end of the motor ii 1001 is fixedly connected with a first end of a motor shaft ii 1002, a second end of the motor shaft ii 1002 is fixedly connected with a rotary impeller ii 1003, the rotary impeller ii 1003 is positioned in an inner cavity of the pump body ii 1004, a liquid outlet is arranged at the bottom of the interior of the pump body ii 1004, the liquid outlet is fixedly connected with the first end of a liquid discharge pipe 1005, the second end of the liquid discharge pipe 1006 is positioned in the circulation groove 3, a liquid inlet is arranged on the side wall of the interior of the pump body ii 1004, the liquid inlet is fixedly connected with the first end of the liquid discharge pipe 1006, and the second end of the liquid discharge pipe 1006 is positioned in the experimental groove 2; during operation, the motor II 1001 is started, the motor shaft II 1002 drives the rotary impeller II 1003 to rotate, so that the pressure inside and outside the pump body II 1004 is different, and liquid in the experimental tank 2 enters the pump body II 1004 through the liquid outlet pipe 1006 and falls into the circulating tank 3 through the liquid outlet pipe 1005.

As shown in fig. 6-8, the gas balance assembly 11 comprises a balance cylinder 1101, the balance cylinder 1101 is fixedly installed at the top end of the side wall of the experiment tank 2, a gas communication port is formed at a first end of the balance cylinder 1101 and is communicated with the experiment tank 2, a cylinder piston 1102 is slidably installed inside the balance cylinder 1101, a second end of the balance cylinder 1101 is fixedly installed at the outer side wall of the tank body 1 and is communicated with a first end of a communication block 1103, the communication block 1103 is fixedly installed at the outer side wall of the tank body 1, a second end of the communication block 1103 is communicated with a first end of a working cylinder 1104, the working cylinder 1104 is fixedly installed at the outer side wall of the tank body 1, a first end of a cylinder rod 1105 is slidably installed in the working cylinder 1104, a second end of the working cylinder 1104 is fixedly connected with a fixing frame 1106, the fixing frame 1106 is fixedly installed at the outer side wall of the tank body 1, and the fixing frame 1106 can be contacted with a second end of the cylinder rod. In operation, the position of the cylinder rod 1105 is changed by inflating the air inlet of the working cylinder 1104, and the position of the cylinder piston 1102 is also changed under the action of internal air pressure, so that the volume of air in the air flow port is changed, and the air pressure in the experimental tank 2 is changed.

Working principle: when the device does not work, liquid medium is added into the circulating tank 3; the temperature controller 801 is started, the temperature controller 801 controls the thermostatic tube 802 to enable the temperature of the liquid medium to reach the required value, after the temperature of the liquid medium in the circulating tank 3 reaches the required temperature, the motor I901 is started, the motor I901 drives the motor shaft I902 to rotate, the motor shaft I902 drives the rotary impeller I903 to rotate, the internal and external air pressure of the pump body I904 is unbalanced, the liquid medium in the circulating tank 3 enters the pump body I904 through the liquid suction tube 906 and is conveyed into the experiment tank 2 through the liquid inlet tube 905 until the volume of the liquid medium in the experiment tank 2 reaches the proper quantity, the experiment operation can be performed in the experiment tank 2, and meanwhile, the liquid medium with enough volume is added into the circulating tank 3.

When the experiment tank 2 works, equipment or articles to be subjected to constant temperature experiment are placed into the experiment tank 2, and the handle on the experiment tank sliding plate 5 is pulled, so that the experiment tank sliding plate 5 is attached to the circulation tank cover plate 6, and a closed space is formed in the experiment tank 2; if the air pressure in the experimental tank 2 is not working air pressure, the working air cylinder 1104 is started, the air inlets in the two directions of the working air cylinder 1104 are restarted, the expansion and contraction of the air cylinder rod 1105 are controlled, the air of the communication opening where the communication block 1103 is in contact with the working air cylinder 1104 is circulated, and the air in the balancing air cylinder 1101 is circulated, so that the position of the air cylinder piston 1102 is controlled to move, the air on the other side of the air cylinder piston 1102 enters the experimental tank 2 or the air in the experimental tank 2 is pumped out, and the air pressure in the experimental tank 2 reaches the required air pressure and is balanced.

When the temperature sensor 804 senses that the temperature of the liquid medium in the experiment tank 2 is changed, the temperature is transmitted to the temperature controller 801 through the connecting pipe 803, so that the motor II 1001 is started, the motor II 1001 drives the motor shaft II 1002 to rotate, the motor shaft II 1002 drives the rotary impeller II 1003 to rotate, the internal and external air pressures of the pump body II 1004 are unbalanced, the liquid medium above the experiment tank 2 enters the pump body II 1004 through the liquid outlet pipe 1006, falls into the liquid medium above the experiment tank 2 through the liquid outlet pipe 1005, meanwhile, the motor I901 is started, when the liquid medium with the temperature below the circulation tank 3 is input to the lower part of the experiment tank 2, the exchange is completed, and the liquid medium in the circulation tank 3 returns to the required temperature under the action of the constant temperature pipe 802.

The present utility model is not limited to the above-described embodiments, and various modifications are possible within the scope of the present utility model without inventive labor, as those skilled in the art will recognize from the above-described concepts.

Claims

1. The utility model provides a constant voltage constant temperature groove for plateau, includes cell body (1), is equipped with the baffle in cell body (1), baffle one side fixed mounting has experimental tank (2), opposite side fixed mounting has circulation tank (3), its characterized in that:

the temperature control assembly (8) is fixedly arranged on the periphery of the circulating tank (3) and positioned in the tank body (1) and is used for detecting the temperature in the experimental tank (2) and controlling the constant temperature of liquid in the circulating tank (3);

the liquid inlet circulation assembly (9), the liquid inlet circulation assembly (9) is positioned at the top end of the circulation tank (3) and is used for controlling the liquid in the circulation tank (3) to flow into the experiment tank (2);

the liquid outlet circulation assembly (10), the liquid outlet circulation assembly (10) is positioned at the top end of the circulation tank (3) and is used for controlling the liquid in the experiment tank (2) to flow into the circulation tank (3);

the gas balance assembly (11), the side wall of gas balance assembly (11) fixed mounting at cell body (1) and be linked together with experimental tank (2) for control experimental tank (2) during operation inside atmospheric pressure size and make it keep balanced.

2. A constant pressure and constant temperature bath for use in altitude as claimed in claim 1, wherein: the temperature control assembly (8) comprises a temperature controller (801), the temperature controller (801) is fixedly arranged below the side wall of the tank body (1), the front end of the temperature controller (801) is fixedly connected with a constant temperature pipe (802), the constant temperature pipe (802) is fixedly arranged on the periphery of the circulating tank (3), the side wall of the temperature controller (801) is fixedly connected with the first end of a connecting pipe (803), the second end of the connecting pipe (803) is fixedly connected with a temperature sensor (804), and the temperature sensor (804) is fixedly arranged at the bottom end of the inside of the experimental tank (2).

3. A constant pressure and constant temperature bath for use in altitude as claimed in claim 1, wherein: still include circulation groove apron (6), circulation groove apron (6) install in the bottom of circulation groove (3) and contact with the baffle and the interior edge of cell body (1), circulation groove apron (6) middle part is equipped with the empty slot, installs liquid circulation fixed plate (7) in the empty slot, liquid circulation fixed plate (7) and empty slot assorted and bottom and the bottom parallel and level of circulation groove apron (6), be equipped with the empty slot on liquid circulation fixed plate (7).

4. A constant pressure and constant temperature bath for use in a altitude according to claim 3, wherein: the utility model provides a liquid inlet circulation subassembly (9) includes pump body I (904), pump body I (904) fixed mounting is in the empty slot of liquid circulation fixed plate (7), pump body I (904) is cavity structure, pump body I (904) top fixed mounting has motor I (901), the first end of the output fixedly connected with motor shaft I (902) of motor I (901), the second end fixedly connected with rotatory impeller I (903) of motor shaft I (902), rotatory impeller I (903) are located pump body I (904) inner chamber, the inside bottom of pump body I (904) is equipped with the inlet, and the first end fixed connection of inlet and pipette (906), the second end of pipette (906) is located the interior bottom of circulation groove (3), the inside lateral wall of pump body I (904) is equipped with the liquid outlet, the first end fixed connection of liquid outlet and feed pipe (905), the second end of feed pipe (905) is located experiment groove (2).

5. A constant pressure and constant temperature bath for use in a altitude according to claim 3, wherein: the liquid circulation assembly (10) comprises a pump body II (1004) and a liquid outlet pipe (1006), the pump body II (1004) is fixedly installed in a hollow groove of a liquid circulation fixing plate (7), the pump body II (1004) is of a hollow cavity structure, a motor II (1001) is fixedly installed at the top end of the pump body II (1004), a first end of a motor shaft II (1002) is fixedly connected with the output end of the motor II (1001), a rotary impeller II (1003) is fixedly connected with the second end of the motor shaft II (1002), the rotary impeller II (1003) is located an inner cavity of the pump body II (1004), a liquid outlet is formed in the bottom inside the pump body II (1004), the liquid outlet is fixedly connected with the first end of a liquid outlet pipe (1005), the second end of the liquid outlet pipe (1004) is located a circulating groove (3), a liquid inlet is formed in the inner side wall of the pump body II (1004), the liquid inlet is fixedly connected with the first end of the liquid outlet pipe (1006), and the second end of the liquid outlet pipe (1006) is located in an experiment groove (2).

6. A constant pressure and constant temperature bath for use in altitude as claimed in claim 1, wherein: the gas balance assembly (11) comprises a balance cylinder (1101), the side wall top of the experiment groove (2) is fixedly installed on the balance cylinder (1101), a first end of the balance cylinder (1101) is provided with a gas communication port and is communicated with the experiment groove (2), a cylinder piston (1102) is slidably installed inside the balance cylinder (1101), a second end of the balance cylinder (1101) is fixedly installed on the outer side wall of the groove body (1) and is communicated with the first end of a communication block (1103), the communication block (1103) is fixedly installed on the outer side wall of the groove body (1), a second end of the communication block (1103) is communicated with the first end of a working cylinder (1104), the working cylinder (1104) is fixedly installed on the outer side wall of the groove body (1), a first end of a cylinder rod (1104) is slidably installed in the working cylinder (1104), a fixing frame (1106) is fixedly connected with the second end of the working cylinder (1104), and the fixing frame (1106) is fixedly installed on the outer side wall of the groove body (1) and can be in contact with the first end of the working cylinder (1105).

7. A constant pressure and constant temperature bath for use in altitude as claimed in claim 1, wherein: still include experimental tank cover board (4), experimental tank cover board (4) fixed mounting is in the bottom of experimental tank (2), and with the baffle and the interior edge contact of cell body (1), experimental tank cover board (4) inside is equipped with the spout, sliding fit has experimental tank sliding plate (5) in the spout, the top of experimental tank sliding plate (5) is equipped with the handle.

8. A constant pressure and constant temperature bath for use in altitude as claimed in claim 7, wherein: the experimental groove sliding plate (5) is made of transparent materials.