CN215412279U - Thermotechnical experiment room with smooth inner surface - Google Patents

Abstract

The utility model discloses a thermotechnical experiment room with a smooth inner surface. The thermotechnical experiment room comprises a main experiment room (1), an air conditioning air duct (3), an air conditioning unit (5), a circulating fan unit (4), a control terminal (8) and a plurality of temperature sensors (13); an air inlet (21) and an air return inlet (22) of the main experimental room are respectively communicated with air duct openings at two ends of an air conditioning air duct; the circulating fan set is arranged in the air-conditioning air duct; the air conditioning unit is arranged in the air conditioning duct; a plurality of temperature sensors are discretely arranged in the main experiment room; in the main laboratory, the in-house included angle between adjacent inner surfaces is less than or equal to 180 degrees. There is not protruding structure on this thermotechnical experiment room's main laboratory room internal surface, and the flow of air then is more balanced stable in the main laboratory room, and the air temperature of each region then is more even in the main laboratory room, and the experimental data that go on thermotechnical experiment to subject product (50) and obtain then is more accurate.

Description

Thermotechnical experiment room with smooth inner surface

Technical Field

The utility model relates to a thermotechnical experiment technology, in particular to a thermotechnical experiment room with a smooth inner surface.

Background

The thermal laboratory is an experimental facility for detecting the heat preservation performance of refrigeration equipment, such as a refrigerator, a refrigerator car, and the like, which are objects to be detected, and is widely adopted by most refrigeration equipment manufacturers.

Referring to fig. 1 and 2, the conventional thermal laboratory includes a main laboratory 41, an air conditioner 42, an air conditioning duct 43, an air inlet duct 44, and a return duct 45. The air inlet duct 44 and the air return duct 45 are both arranged on the inner side of the main laboratory 41, the air inlet duct 44 is arranged at the corner between the side wall of the main laboratory 41 and the ground, an air inlet 441 is formed in the air inlet duct 44, the air return duct 45 is arranged on the top wall of the main laboratory 41, and an air return opening 451 is formed in the air return duct 45. The air conditioning duct 43 and the air conditioner 42 are arranged on the periphery of the main laboratory 41, the air conditioning duct 43 is arranged around the circumference of the main laboratory 41, the outlet of the air conditioning duct 43 is communicated with the air inlet duct 44, the inlet of the air conditioning duct 43 is communicated with the air return duct 45, and the air conditioner 42 is arranged on the air conditioning duct 43. When the experimental object product 50 is subjected to a thermotechnical experiment, the experimental object product 50 is placed in the main experimental room 41, then the air conditioner 42 is started, the air with the temperature adjusted by the air conditioner 42 enters the air inlet duct 44 along the air conditioning duct 43 and then enters the main experimental room 41 from the air inlet 441, the air in the main experimental room 41 enters the air return duct 45 from the air return opening 451 and then returns to the air conditioner 42 through the air return duct 45 and the air conditioning duct 43, and the air conditioner 42 can adjust the air temperature in the main experimental room 41, so that the required environment temperature is created for the thermotechnical experiment.

However, because the air inlet duct 44 and the air return duct 45 in the main laboratory 41 both protrude out of the inner surface of the main laboratory 41, the inner configuration of the main laboratory 41 is irregular, and after the air flowing in the main laboratory 41 is affected by the irregular protruding structure, the conditions of irregular air flowing such as vortex flow and turbulent flow can be generated in the main laboratory 41, and the conditions of irregular air flowing such as vortex flow and turbulent flow can cause the uneven temperature distribution in the main laboratory 41, so that the temperature regulation difficulty is large, and the accuracy of data obtained by a thermal experiment is affected.

Disclosure of Invention

The utility model aims to provide a thermotechnical experiment room with a smooth inner surface, wherein a convex structure is not arranged on the inner surface of a main experiment room of the thermotechnical experiment room, the air flow in the main experiment room is more balanced and stable, the air temperature of each area in the main experiment room is more uniform, and experimental data obtained by performing thermotechnical experiments on experimental object products are more accurate.

In order to achieve the technical purpose, the utility model adopts the following technical scheme:

a thermotechnical experiment room with a smooth inner surface comprises a main experiment room, an air conditioning air duct, an air conditioning unit, a circulating fan unit, a control terminal and a plurality of temperature sensors; the main experiment room is provided with two opposite ventilation openings, wherein one ventilation opening is an air inlet, and the other ventilation opening is a return air opening; one side of the main experiment room where the air inlet is located is an air inlet side, and one side of the main experiment room where the air return inlet is located is an air return side; an air inlet and an air return inlet of the main experimental room are respectively communicated with air duct openings at two ends of the air conditioning air duct; the circulating fan set is arranged in the air-conditioning air duct and is controlled to be connected to the control terminal, and the blowing direction of the circulating fan set faces to one side where the air inlet of the main experiment room is located; the air conditioning unit is arranged in the air conditioning duct and is controlled to be connected to the control terminal; the temperature sensors are discretely arranged in the main experiment room and are in signal connection with the control terminal; in the main laboratory, the in-house included angle between adjacent inner surfaces is less than or equal to 180 degrees.

Furthermore, the thermotechnical experiment room further comprises a first flow equalizing plate and a second flow equalizing plate, wherein the first flow equalizing plate is arranged at an air inlet of the main experiment room, and the second flow equalizing plate is arranged at an air return opening of the main experiment room.

Further, thermotechnical experiment room still includes the peripheral room body, the outside at main experiment room is wrapped up in to the peripheral room body, has continuous separating between the top, the air inlet side and the return air side of peripheral room body and main experiment room, the air conditioner wind channel is separating between the peripheral room body and the main experiment room.

Furthermore, the internal space of the main experiment room is divided into three continuous room body spaces from the air inlet to the air return opening, wherein the room body space at the air inlet is a first room body space, the room body space at the air return opening is a second room body space, and the room body space between the first room body space and the second room body space is a middle partition space; the thermal engineering experiment room further comprises a partition door and a third flow equalizing plate; the partition door is arranged in the main laboratory and positioned between the middle partition space and the second room body space, and the partition door is rotatably connected with the side wall of the main laboratory through a hinge; the third flow equalizing plate is arranged in the main laboratory and is positioned between the middle partition space and the first room body space, and the third flow equalizing plate is rotatably connected with the side wall of the main laboratory through a hinge; the roof at the middle partition space of the main laboratory is a movable roof, and the movable roof is rotatably connected with the roof at the second room space of the main laboratory through a hinge; a locking mechanism is arranged between the top wall of the peripheral room body and the movable top plate; the air-conditioning air duct above the first room body space of the main experiment room is a first air duct section, and the air-conditioning air duct above the second room body space of the main experiment room is a second air duct section; and part or all of the circulating fans in the circulating fan set are arranged in the first air duct section, and part or all of the air conditioners in the air conditioner set are arranged in the first air duct section.

Further, the ventilation sectional area of the first flow equalizing plate is smaller than that of the second flow equalizing plate.

Further, the ventilation sectional area of the first flow equalizing plate is smaller than that of the third flow equalizing plate.

Further, the thermotechnical experiment room further comprises an inner heater, the inner heater is placed inside an experimental object product, the inner heater is connected with an external power grid through a voltage stabilizing power supply, and the inner heater is controlled to be connected to the control terminal.

Further, the temperature sensor is in signal connection with the control terminal through wireless WIFI or optical fibers.

Further, the first flow equalizing plate is a flow hole plate or a shutter, and the second flow equalizing plate is a flow hole plate or a shutter.

Furthermore, the thermotechnical experiment room further comprises a heating pipe, the heating pipe is arranged in an air-conditioning air duct, and the heating pipe is controlled to be connected to the control terminal; the air conditioner in the air conditioning unit is a refrigeration air conditioner.

In the thermotechnical experiment room, in the main experiment room, the room included angle between the adjacent inner surfaces is less than or equal to 180 degrees, and the inner surfaces of the main experiment room, including the side wall, the top wall and the ground, are not provided with the convex structures, so that the condition that air flowing in the main experiment room is influenced by the convex structures to generate vortex or turbulent flow can be avoided, the air flowing in the main experiment room is more balanced and stable, the air temperature of each area in the main experiment room is more uniform, and the experimental data of the thermotechnical experiment room of an experimental object product are more accurate. The partition door, the third flow equalizing plate and the movable top plate in the thermotechnical experiment room can divide the main experiment room into two parts, when the size of an experimental object product is short, the whole main experiment room does not need to be put into a thermotechnical experiment, the partition door and the third flow equalizing plate can be closed, a first room body space and a second room body space are separated, the movable top plate is turned upwards, a first air duct section and a second air duct section are separated, a complete circulating air passage is formed in the first room body space, the experimental object product is placed in the first room body space, then a circulating fan set and an air conditioning unit in the first air duct section are started, and the thermotechnical experiment on the experimental object product can be realized. The air inlet and the return air inlet of the main experimental room are provided with a first flow equalizing plate and a second flow equalizing plate, flow equalizing gaps are fully distributed on the first flow equalizing plate and the second flow equalizing plate, and when air flows pass through the first flow equalizing plate and the second flow equalizing plate, unstable air flow in flowing air can become uniform air flow to enter or leave the main experimental room under the action of the flow equalizing gaps, so that the air flow at the air inlet and the return air inlet in the main experimental room is uniform and stable, and the air temperature in the main experimental room is uniform. In addition, the ventilation sectional area of the first flow equalizing plate is smaller than that of the second flow equalizing plate, when air flows, pressure difference can be formed between the air inlet and the air return inlet of the main experiment room, and under the action of the pressure difference, the air can automatically flow to the air return inlet according to the siphon principle, so that the efficiency of the circulating fan set is improved, and the energy consumption is reduced.

Compared with the prior art, the thermotechnical experiment room has the following beneficial effects:

1) the air that flows in main laboratory is not influenced by the protruding structure, and the flow of air is then more balanced stable, and the air temperature of each region is then more even in main laboratory, and the experimental data that go on the thermal engineering experiment to the subject product and obtain is then more accurate.

2) The main experiment room can be divided into small experiment spaces, the small experiment spaces are used for carrying out thermotechnical experiments on experimental object products, and the air quantity which needs to be circulated and adjusted in temperature in the experiments is greatly reduced, so that the energy consumption cost of the thermotechnical experiments is reduced.

3) The first flow equalizing plate and the second flow equalizing plate arranged at the air inlet and the air return opening of the main experimental room can enable unstable airflow in flowing air to become uniform airflow to enter or leave the main experimental room, so that the airflow at the air inlet and the air return opening in the main experimental room is uniform and stable, and the air temperature in the main experimental room is uniform.

4) In the main experimental room, the ventilation sectional area of the first flow equalizing plate is smaller than that of the second flow equalizing plate, and when air flows, the air can automatically flow to the air return opening according to the siphon principle, so that the efficiency of the circulating fan unit is improved, and the energy consumption is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a thermal engineering laboratory in the prior art, in which the left side of the thermal engineering laboratory is in a cut-away state;

FIG. 2 is a cross-sectional view taken at A-A in FIG. 1, with the arrow A-A indicating a direction of cut, not an orientation of the cut rear view;

FIG. 3 is a schematic structural view of a thermotechnical laboratory with a flat inner surface according to the present invention, wherein a partition door and a third flow equalizing plate are in an open state, a movable top plate is in a closed state, and a product to be tested is placed in a main laboratory;

FIG. 4 is a schematic structural view of the thermal engineering laboratory of the present invention, wherein the partition door and the third flow equalization plate are closed, and the movable roof is opened;

fig. 5 is an enlarged schematic view of fig. 4 at the dashed box.

In the figure: 1-a main experimental room, 2-a peripheral room body, 3-an air-conditioning air duct, 4-a circulating fan unit, 5-an air-conditioning unit, 6-a first flow equalizing plate, 7-a second flow equalizing plate, 8-a control terminal, 9-a partition door, 10-a third flow equalizing plate, 11-a movable top plate, 12-an internal heater, 13-a temperature sensor, 14-a heating pipe and 15-a first air duct section, 16-a second air duct section, 17-a first room space, 18-a second room space, 19-a middle partition space, 21-an air inlet, 22-an air return opening, 41-a main experimental room, 42-an air conditioner, 43-an air conditioning duct, 44-an air inlet duct, 441-an air inlet, 45-an air return duct, 451-an air return opening and 50-an experimental object product.

Detailed Description

The utility model will be further described with reference to the following figures and specific examples:

referring to fig. 3 to 5, the present embodiment provides a thermal engineering laboratory with a flat inner surface, and compared to the existing laboratory, the thermal engineering laboratory has a more stable internal air flow and a more uniform air temperature distribution.

Referring to fig. 3, the thermal engineering laboratory of the present embodiment includes a main laboratory 1, an air conditioning duct 3, an air conditioning unit 5, a circulating fan unit 4, a heating pipe 14, a control terminal 8, and a plurality of temperature sensors 13.

The main laboratory 1 is constructed by using a heat-insulating wall body in the prior art, and is used for accommodating an experimental object product 50. Two opposite ventilation openings are arranged on the main experiment room 1, wherein one ventilation opening is an air inlet 21, and the other ventilation opening is a return air opening 22. One side of the main experiment room 1 where the air inlet 21 is located is an air inlet side, and one side of the main experiment room 1 where the air return opening 22 is located is an air return side. An air inlet 21 and an air return port 22 of the main experimental room 1 are respectively communicated with air duct openings at two ends of the air conditioning air duct 3, so that a circulating air passage is formed.

The circulating fan set 4 is arranged in the air conditioning air duct 3, the circulating fan set 4 is controlled to be connected to the control terminal 8, and the blowing direction of the circulating fan set 4 faces to one side where the air inlet 21 of the main experiment room 1 is located. The air conditioning unit 5 is arranged in the air conditioning duct 3, the air conditioning unit 5 is controlled to be connected to the control terminal 8, and an air conditioner in the air conditioning unit 5 is a refrigeration air conditioner. The heating pipe 14 is arranged in the air conditioning duct 3, and the heating pipe 14 is controlled and connected to the control terminal 8.

After the circulating fan unit 4 is controlled by the control terminal 8 to start, under the effect that the circulating fan unit 4 blows, the air in the air-conditioning air duct 3 enters the main experimental room 1 from the air inlet 21, and then returns to the air-conditioning air duct 3 from the air return opening 22, so that circulating air is formed in the main experimental room 1 and the air-conditioning air duct 3. The heating pipe 14 and the air conditioning unit 5 in the air conditioning duct 3 can adjust the temperature of the air flowing through the air conditioning duct 3 under the control of the control terminal 8, so that the temperature of the air flowing through the main laboratory 1 can be adjusted, and a proper experimental environment temperature is created for a thermal experiment.

In the present embodiment, the air temperature in the main laboratory 1 is adjusted by using the cooling air conditioner in cooperation with the heating duct 14, but in other embodiments, the heating duct 14 may be eliminated and the air temperature in the main laboratory 1 may be adjusted by using the cooling air conditioner.

In the present embodiment, the number of the circulating fans in the circulating fan unit 4 is four, but in other embodiments, the number of the circulating fans in the circulating fan unit 4 may be one or more.

In the present embodiment, the number of air conditioners in the air conditioner unit 5 is four, but in other embodiments, the number of air conditioners in the air conditioner unit 5 may be one or a plurality of air conditioners.

The plurality of temperature sensors 13 are discretely arranged in the main experiment room 1, and the temperature sensors 13 are in signal connection with the control terminal 8. When the control terminal 8 controls the air conditioning unit 5 to adjust the temperature of the air flowing in the main laboratory 1, the control terminal 8 controls the air conditioning unit 5 according to the temperature in the main laboratory 1 measured by the temperature sensor 13.

In main laboratory 1, the interior contained angle of room between adjacent internal surface is less than or equal to 180 degrees, namely on main laboratory 1's the internal surface, including lateral wall, roof and subaerial, all there is not convex structure to can avoid main laboratory 1 in the air that flows to receive the influence of convex structure and the situation that vortex or random flow appears, main laboratory 1 in the air flow then more balanced stable, main laboratory 1 in each regional air temperature then more even, then more accurate to the experimental result of subject product 50.

More specifically, the thermal engineering laboratory of the present embodiment further includes a peripheral room body 2, and as with the main laboratory 1, the peripheral room body 2 is also constructed by using a heat insulation wall body in the prior art. The peripheral room body 2 parcel is in the outside of main laboratory 1, and there is continuous separating between the top of the peripheral room body 2 and main laboratory 1, the air inlet side and the return air side, then regard this continuous separating as air conditioning wind channel 3, circulating fan unit 4, heating pipe 14 and air conditioning unit 5 all set up in the separating between the top of peripheral room body 2 and main laboratory 1 (the outer machine of air conditioner places the top at the peripheral room body). Adopt the peripheral room body 2 parcel main laboratory 1 to with the peripheral room body 2 and the air conditioner wind channel 3 of separating between the main laboratory 1 top, its advantage lies in two aspects: on one hand, the air-conditioning air duct 3 does not occupy the internal space of the main experiment room 1, and the main experiment room 1 does not have a convex air-conditioning air duct profile, so that as mentioned above, the main experiment room 1 has no convex structure, and the phenomenon of vortex or turbulent flow of air flowing in the main experiment room 1 can be avoided; on the other hand, air conditioner wind channel 3 does not contact with external environment, and the temperature of air in air conditioner wind channel 3 then can not receive external environment temperature's influence, and then more accurate to air conditioner wind channel 3 and main experiment room 1 interior air temperature's control regulation.

Preferably, the air inlet side of the main test room 1 is completely opened as an air inlet 21, and the air return side of the main test room 1 is completely opened as an air return opening 22. The main laboratory 1 has no dead angle for air flow, thereby further avoiding the occurrence of vortex or turbulent flow.

Preferably, in order to make the air flow rate entering or leaving the main test chamber 1 as uniform as possible, the thermal test chamber in this embodiment further comprises a first flow equalizing plate 6 and a second flow equalizing plate 7; the first flow equalizing plate 6 is arranged at an air inlet 21 of the main laboratory 1, and the second flow equalizing plate 7 is arranged at an air return opening 22 of the main laboratory 1. The first flow equalizing plate 6 and the second flow equalizing plate 7 are fully provided with flow equalizing gaps, and when air flows through the first flow equalizing plate 6 and the second flow equalizing plate 7, unstable air flow in flowing air can become uniform air flow to enter or leave the main experiment room 1 under the action of the flow equalizing gaps, so that the air flow at the air inlet 21 and the air return 22 in the main experiment room 1 is uniform and stable, and the air temperature in the main experiment room 1 is uniform.

Further optimally, the first flow equalizing plate 6 is rotatably connected with the side wall of the main laboratory 1 through a hinge, the second flow equalizing plate 7 is rotatably connected with the side wall of the main laboratory 1 through a hinge, and the first flow equalizing plate 6 and the second flow equalizing plate 7 can be opened and closed at the air inlet 21 and the air return opening 22 like doors, so that the experimental object product 50 can conveniently enter and exit the main laboratory 1.

Referring to fig. 3, 4 and 5, in the thermal engineering experiment room of the present embodiment, the main experiment room 1 can be divided into two parts, and a part of the internal space of the main experiment room 1 is used for performing the thermal engineering experiment. Specifically, the method comprises the following steps:

the interior space of the main test room 1 is divided into three continuous room spaces from the air inlet 21 to the air return opening 22, wherein the room space at the air inlet 21 is a first room space 17, the room space at the air return opening 22 is a second room space 18, and the room space between the first room space 17 and the second room space 18 is an intermediate partition space 19. Thermotechnical experiment room still includes cuts off door 9 and third flow equalizing plate 10, cuts off door 9 and sets up in main experiment room 1 and is located between middle wall space 19 and the second room body space 18, cuts off door 9 and is connected through the hinge with the lateral wall rotation of main experiment room 1, and third flow equalizing plate 10 sets up in main experiment room 1 and is located between middle wall space 19 and the first room body space 17, and third flow equalizing plate 10 passes through the hinge and is connected with the lateral wall rotation of main experiment room 1. The roof at the middle partition space 19 of the main laboratory 1 is a movable roof 11, and the movable roof 11 is rotatably connected with the roof at the second room space 18 of the main laboratory 1 through a hinge; a locking mechanism in the prior art is arranged between the top wall of the peripheral room body 2 and the movable top plate 11, so that the turned-open movable top plate 11 is locked on the top wall of the peripheral room body 2. The partition mechanism composed of the partition door 9, the third flow equalizing plate 10 and the movable top plate 11 can divide the main laboratory 1 into two parts, and divide the first room space 17 into experimental spaces for performing thermal experiments on the experimental object product 50.

The air-conditioning duct 3 above the first room body space 17 of the main laboratory 1 is a first duct section 15, and the air-conditioning duct 3 above the second room body space 18 of the main laboratory 1 is a second duct section 16. The circulating fan unit 4 is arranged in the first air duct section 15, two air conditioners in the air conditioner unit 5 are arranged in the first air duct section 15, the other two air conditioners are arranged in the second air duct section 16, and the heating pipe 14 is arranged in the first air duct section 15. It should be noted that, a circulating fan and an air conditioner must be disposed in the first air duct section 15, and if the air-conditioning duct 3 is provided with a heating pipe 14, the heating pipe 14 must also be disposed in the first air duct section 15 to ensure that the air in the first room space 17 can flow in a normal circulation manner and adjust the temperature. Therefore, part or all of the circulating fans in the circulating fan unit 4 should be disposed in the first air duct section 15, part or all of the air conditioners in the air conditioner unit 5 should be disposed in the first air duct section 15, and the heating pipes 14 should be disposed in the first air duct section 15.

Referring to fig. 3, when the size of the experimental object product 50 is large, the partition door 9 and the third flow equalizing plate 10 in the main experimental room 1 are completely opened, the movable top plate 11 covers the top of the main experimental room 1, the space in the main experimental room 1 is complete, and the whole experimental object product 50 can be placed in the main experimental room 1 for thermal engineering experiments.

Referring to fig. 4 and 5, when the size of the experimental object product 50 is relatively small (not shown), the whole main laboratory 1 is not required to be put into the thermal experiment, the partition door 9 and the third flow equalizing plate 10 are closed, the first room space 17 and the second room space 18 are separated, the movable top plate 11 is turned upwards and locked on the top wall of the peripheral room 2, the first air duct section 15 is separated from the second air duct section 16, and the first air duct section 15 is communicated with the middle partition space 19, so that a complete circulating air passage is formed at the first room space 17, and the second room space 18 is separated from the circulating air passage. The experimental object product 50 is placed in the first room space 17, and then the circulating fan unit 4, the heating pipe 14 and the air conditioning unit 5 in the first air duct section 15 are started, so that the thermotechnical experiment on the experimental object product 50 can be realized. In the thermal experiment, the experimental object product 50 is tested only by using the first room space 17, and the air quantity for circulating and adjusting the temperature in the experiment is greatly reduced, so that the energy consumption cost of the thermal experiment is reduced.

Further optimally, the ventilation sectional area of the first flow equalizing plate 6 is smaller than that of the second flow equalizing plate 7, when air flows, pressure difference is formed between the air inlet 21 and the air return opening 22 of the main experimental room 1, and under the action of the pressure difference, the air automatically flows to the air return opening 22 according to the siphon principle, so that the efficiency of the circulating fan set 4 is improved, and the energy consumption is reduced. Under the same principle, the ventilation cross-sectional area of the first flow equalizing plate 6 is smaller than that of the third flow equalizing plate 10.

Preferably, the thermal engineering laboratory of the present embodiment further includes an internal heater 12, the internal heater 12 is placed inside the experimental object product 50, the internal heater 12 is connected to an external power grid through a regulated power supply, and the internal heater 12 is controlled and connected to the control terminal 8. The internal heater 12 realizes constant power through output control of a voltage-stabilized power supply, calculates the actual power consumption, obtains the power to be consumed when the temperature in the box is maintained at a certain constant temperature for a period of time in a specific room temperature environment according to the actual standard, and compares the theoretical power with the actually consumed power to judge the heat preservation performance of the box body.

Further optimally, the temperature sensor 13 is in signal connection with the control terminal 8 through wireless WIFI or optical fibers, so that interference of high-power electric appliances such as the inner heater 12 on transmission signals is avoided.

In the present embodiment, the first, second, and third flow equalizing plates 6, 7, and 10 are louvers, but in other embodiments, perforated plates may be used. The shutter has the advantage that the size of the flow equalizing gap, namely the size of the ventilation sectional area, can be adjusted. In the present embodiment, the louver used is a double-layer vertical and horizontal louver.

In addition, when the thermotechnical experiment room of the embodiment is used for performing thermotechnical experiments on the experimental object product 50, the movable support with the adjustable height can be placed in the main experimental room 1, then the experimental object product 50 is placed on the movable support, and the air flow cross sections of the upper space and the lower space of the experimental object product 50 can be adjusted, so that the stable and uniform air flow rate around the experimental object product 50 is ensured.

Compared with the prior art, the thermotechnical experiment room of the embodiment has the advantages that:

1) there is not protrusion structure on the internal surface in main laboratory 1 to the air that can avoid flowing in main laboratory 1 receives protrusion structure's influence and the situation of vortex or indiscriminate flow appears, the flow of air then more balanced stability in main laboratory 1, the air temperature of each region then is more even in main laboratory 1, then is more accurate to the experimental result of subject product 50.

2) In the main experiment room 1, the partition mechanism consisting of the partition door 9, the third flow equalizing plate 10 and the movable top plate 11 can partition the main experiment room 1 into small experiment spaces, and the experimental object product 50 is subjected to thermotechnical experiments by using the small experiment spaces, so that the air quantity required for circulation and temperature regulation in the experiments is greatly reduced, and the energy consumption cost of the thermotechnical experiments is reduced.

3) The first flow equalizing plate 6 and the second flow equalizing plate 7 are arranged at the air inlet 21 and the air return opening 22 of the main experimental room 1, and when air flows through the first flow equalizing plate 6 and the second flow equalizing plate 7, unstable air flow in flowing air can become uniform air flow to enter or leave the main experimental room 1, so that the air flow at the air inlet 21 and the air return opening 22 in the main experimental room 1 is uniform and stable, and the air temperature in the main experimental room 1 is uniform.

4) In the main laboratory 1, the ventilation cross-sectional area of the first flow equalizing plate 6 is smaller than that of the second flow equalizing plate 7, and when air flows, the air automatically flows to the air return opening 22 according to the siphon principle, so that the efficiency of the circulating fan set 4 is improved, and the energy consumption is reduced.

The present invention is not limited to the above embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A thermotechnical experiment room with a smooth inner surface is characterized in that: the system comprises a main experiment room (1), an air conditioning air duct (3), an air conditioning unit (5), a circulating fan unit (4), a control terminal (8) and a plurality of temperature sensors (13);

the main experiment room (1) is provided with two opposite ventilation openings, wherein one ventilation opening is an air inlet (21), and the other ventilation opening is an air return opening (22); one side of the main experiment room (1) where the air inlet (21) is located is an air inlet side, and one side of the main experiment room (1) where the air return inlet (22) is located is an air return side; an air inlet (21) and an air return inlet (22) of the main experimental room (1) are respectively communicated with air duct openings at two ends of the air-conditioning air duct (3);

the circulating fan set (4) is arranged in the air conditioning air duct (3), the circulating fan set (4) is controlled to be connected to the control terminal (8), and the blowing direction of the circulating fan set (4) faces to one side where an air inlet (21) of the main experiment room (1) is located; the air conditioning unit (5) is arranged in the air conditioning air duct (3), and the air conditioning unit (5) is controlled to be connected to the control terminal (8);

the temperature sensors (13) are discretely arranged in the main test room (1), and the temperature sensors (13) are in signal connection with the control terminal (8);

in the main test room (1), the in-room included angle between adjacent inner surfaces is less than or equal to 180 degrees.

2. The thermal laboratory room with a smooth inner surface according to claim 1, wherein: the thermotechnical experiment room further comprises a first flow equalizing plate (6) and a second flow equalizing plate (7), wherein the first flow equalizing plate (6) is arranged at an air inlet (21) of the main experiment room (1), and the second flow equalizing plate (7) is arranged at an air return opening (22) of the main experiment room (1).

3. The thermal laboratory room with a smooth inner surface according to claim 2, wherein: thermotechnical experiment room still includes peripheral room body (2), peripheral room body (2) parcel is in the outside of main experiment room (1), and there is continuous to separate the sky between the top, the air inlet side and the return air side of peripheral room body (2) and main experiment room (1), air conditioner wind channel (3) are the space that separates between peripheral room body (2) and main experiment room (1).

4. The thermal laboratory room with a smooth inner surface according to claim 3, wherein: the interior space of the main experiment room (1) is divided into three continuous room body spaces from an air inlet (21) to an air return opening (22), wherein the room body space at the air inlet (21) is a first room body space (17), the room body space at the air return opening (22) is a second room body space (18), and the room body space between the first room body space (17) and the second room body space (18) is a middle partition space (19);

the thermal engineering experiment room further comprises a partition door (9) and a third flow equalizing plate (10); the partition door (9) is arranged in the main laboratory room (1) and is positioned between the middle partition space (19) and the second room body space (18), and the partition door (9) is rotatably connected with the side wall of the main laboratory room (1) through a hinge; the third flow equalizing plate (10) is arranged in the main experiment room (1) and is positioned between the middle partition space (19) and the first room body space (17), and the third flow equalizing plate (10) is rotatably connected with the side wall of the main experiment room (1) through a hinge;

the roof at the middle partition space (19) of the main laboratory room (1) is a movable roof (11), and the movable roof (11) is rotatably connected with the roof at the second room space (18) of the main laboratory room (1) through a hinge; a locking mechanism is arranged between the top wall of the peripheral room body (2) and the movable top plate (11);

the air-conditioning air duct (3) above the first room body space (17) of the main experimental room (1) is a first air duct section (15), and the air-conditioning air duct (3) above the second room body space (18) of the main experimental room (1) is a second air duct section (16); and part or all of the circulating fans in the circulating fan set (4) are arranged in the first air channel section (15), and part or all of the air conditioners in the air conditioner set (5) are arranged in the first air channel section (15).

5. The thermal laboratory room with a smooth inner surface according to claim 2, wherein: the ventilation sectional area of the first flow equalizing plate (6) is smaller than that of the second flow equalizing plate (7).

6. The thermal laboratory room with a smooth inner surface according to claim 4, wherein: the ventilation sectional area of the first flow equalizing plate (6) is smaller than that of the third flow equalizing plate (10).

7. The thermal laboratory room with a smooth inner surface according to claim 1, wherein: the thermotechnical experiment room further comprises an inner heater (12), the inner heater (12) is placed inside an experiment object product (50), the inner heater (12) is connected with an external power grid through a voltage stabilizing power supply, and the inner heater (12) is controlled to be connected to the control terminal (8).

8. The thermal laboratory room with a smooth inner surface according to claim 1, wherein: the temperature sensor (13) is in signal connection with the control terminal (8) through wireless WIFI or optical fibers.

9. The thermal laboratory room with a smooth inner surface according to claim 2, wherein: the first flow equalizing plate (6) is a flow hole plate or a shutter, and the second flow equalizing plate (7) is a flow hole plate or a shutter.

10. The thermal laboratory room with a smooth inner surface according to claim 1, wherein: the thermotechnical experiment room further comprises a heating pipe (14), the heating pipe (14) is arranged in the air conditioning air duct (3), and the heating pipe (14) is controlled to be connected to the control terminal (8);

the air conditioner in the air conditioning unit (5) is a refrigeration air conditioner.

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