CN212081442U - Constant temperature and humidity laboratory - Google Patents
Constant temperature and humidity laboratory Download PDFInfo
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- CN212081442U CN212081442U CN201921155030.4U CN201921155030U CN212081442U CN 212081442 U CN212081442 U CN 212081442U CN 201921155030 U CN201921155030 U CN 201921155030U CN 212081442 U CN212081442 U CN 212081442U
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Abstract
The utility model belongs to laboratory structural design field especially relates to a constant temperature and humidity laboratory. By improving the air return mode, an indoor unit of an air conditioner is arranged in a laboratory, an air supply system, an air return system and a fresh air system are arranged, the temperature and humidity in the laboratory are accurately controlled through a PLC (programmable logic controller) control system, and meanwhile, dust, paper scraps, hair and the like are prevented from entering the air return system again, so that secondary pollution is prevented, and the cleanliness of a detection environment is improved; the mode of extracting steam by electrical heating of the boiler in the traditional laboratory is changed into a mode of introducing external steam into the steam pipeline to directly and automatically humidify, so that the consumption and fault treatment of electrical heating accessories are reduced, the daily maintenance of personnel is facilitated, and the working efficiency is improved. And simultaneously, all control programs are automatically controlled by a PLC, and the fault is automatically alarmed and diagnosed. The fault phenomenon is clear at a glance, the processing time of the fault problem is reduced, the operating efficiency of the system is improved, the height of the detection chamber is increased after the floor is removed, and the detection environment is more comfortable.
Description
Technical Field
The utility model belongs to laboratory structural design field especially relates to a constant temperature and humidity laboratory.
Background
At present, the temperature and humidity of the domestic constant temperature and humidity laboratory are mainly controlled in two ways:
1. a vertical air conditioner is installed in the laboratory to control the temperature and the humidity. The defects are that the air circulation is not good, the temperature is not uniform, the humidity control effect is not good, and the requirements of a constant temperature and humidity laboratory specified in GB/T10739-.
The control technical index requirements of the constant temperature and humidity laboratory are as follows:
2. an air conditioning unit, a circulating air supply system and a heating and humidifying system are installed in a laboratory to control the temperature and humidity. The current advanced method is mainly to install a matched air circulation system (ensuring the mobility and the freshness of air) on the basis of an air conditioning unit; a humidification system; a heating system (heating and dehumidifying) and an automatic control system, so as to accurately control the temperature and the humidity of the detection chamber. The air supply on the ceiling and the air return mode under the floor are adopted in the early wind circulation, and certain defects are also found through years of actual operation: because the floor is provided with a plurality of air circulation ports, a large amount of dust, paper scraps and hair fall into the floor and are gathered after long-term use, so that fresh air is polluted in the circulation process, a filter screen of the air conditioner is blocked, the heat dissipation of the air conditioner is influenced, the fault is caused, the health and the like of a detector are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes prior art's is not enough, provides one kind and can be directed against the trade characteristics, and the above-mentioned problem is solved to the accurate control of constant temperature and humidity air conditioning system to better realization, satisfies a constant temperature and humidity laboratory that testing personnel is to the healthy basic requirement of testing environment
The technical scheme of the utility model:
a constant-temperature and constant-humidity laboratory comprises a laboratory and an air-conditioning indoor unit arranged in the laboratory, wherein an air supply system, an air return system and a fresh air system are arranged in the laboratory, and the air supply system, the air return system and the fresh air system are all connected with the air-conditioning indoor unit;
the air supply system comprises a double-layer suspended ceiling structure, the upper part of the double-layer suspended ceiling structure is a roof, the lower part of the double-layer suspended ceiling structure is a hole plate suspended ceiling, a static pressure cabin is arranged inside the double-layer suspended ceiling structure, an air supply main channel is arranged inside the double-layer suspended ceiling structure, one end of the air supply main channel is connected with the indoor unit of the air conditioner, the other end of the air supply main channel is communicated with a plurality of air supply branch channels, the connecting sides of the air supply main channel and the air supply branch channels are provided with regulating valves, air supply outlets are arranged on the air supply branch;
the air return system comprises air return vertical columns, the air return vertical columns are arranged at four corners of the interior of the laboratory, the interior of each air return vertical column is hollow, air return shutters are arranged at the lower parts of the air return vertical columns, the upper parts of the air return vertical columns are connected with one end of an air return pipeline, and the other end of the air return pipeline is connected with the indoor unit of the air conditioner;
the fresh air system comprises a fresh air inlet, the fresh air inlet is formed in the wall body of the laboratory, the fresh air inlet is connected with one end of a fresh air pipeline, and the other end of the fresh air pipeline is connected with the indoor unit of the air conditioner.
Furthermore, an electric heating pipe is arranged in the fresh air pipeline, and an overtemperature power-off protection device is arranged on one side of the electric heating pipe.
Furthermore, a steam pipeline is arranged inside the laboratory and connected with the indoor unit of the air conditioner, and a filter valve and a steam automatic adjusting control valve are arranged on the steam pipeline.
Furthermore, a filter screen and an air volume adjusting valve are arranged at the joint of the fresh air pipeline and the indoor unit of the air conditioner, and a temperature and humidity sensor is arranged in the fresh air pipeline.
Furthermore, useful temperature and humidity sensors are arranged on the orifice plate suspended ceiling.
Furthermore, a plurality of air outlets are formed in the orifice plate hoisting top, and adjusting valves are arranged on the air outlets.
Further, an air conditioner outdoor unit is arranged outside the experiment chamber and connected with the air conditioner indoor unit through a pipeline.
The utility model has the advantages that:
the utility model provides a constant temperature and humidity laboratory sets up the air conditioning indoor set in the laboratory through improving the return air mode to set up air supply system, return air system and new trend system, realize accurate control to the humiture in the laboratory through PLC control system, prevent dust, wastepaper, hair etc. from getting into the return air system again simultaneously, prevent secondary pollution, improved the cleanliness factor of detecting the environment and the physical and mental health of detection personnel; the mode of extracting steam by electrical heating of the boiler in the traditional laboratory is changed into a mode of introducing external steam into the steam pipeline to directly and automatically humidify, so that the consumption and fault treatment of electrical heating accessories are reduced, the daily maintenance of personnel is facilitated, and the working efficiency is improved. And simultaneously, all control programs are automatically controlled by a PLC, and the fault is automatically alarmed and diagnosed. The fault phenomenon is clear at a glance, the processing time of the fault problem is reduced, the operating efficiency of the system is improved, the height of the detection chamber is increased after the floor is removed, and the detection environment is more comfortable.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a schematic view of the structure of the double-layer suspended ceiling of the present invention;
FIG. 3 is a schematic view of the connection structure of the air return pillar of the present invention;
in the figure: 1-laboratory; 2-an indoor unit of an air conditioner; 4-an air supply system; 5-an air return system; 6-a fresh air system; 7-a double-layer ceiling structure; 8-roof top; 9-orifice plate suspended ceiling; 10-static pressure cabin; 11-air supply main channel; 12-air supply branch channel; 13-an air supply outlet; 14-air return upright post; 15-air return shutter; 16-a return air line; 17-a fresh air inlet; 18-fresh air duct; 19-an electric heating tube; 20-a steam pipeline; 21-air outlet; 22-outdoor unit of air conditioner.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
With reference to fig. 1 to fig. 3, the constant temperature and humidity laboratory disclosed in this embodiment includes a laboratory 1 and an indoor air conditioner 2 disposed inside the laboratory 1, the laboratory 1 is provided with an air supply system 4, an air return system 5 and a fresh air system 6, and the air supply system 4, the air return system 5 and the fresh air system 6 are all connected to the indoor air conditioner 2;
the air supply system 4 comprises a double-layer suspended ceiling structure 7, the upper part of the double-layer suspended ceiling structure 7 is a roof 8, the lower part of the double-layer suspended ceiling structure 7 is provided with a pore plate suspended ceiling 9, the interior of the double-layer suspended ceiling structure 7 is provided with a static pressure bin 10, an air supply main channel 11 is arranged in the double-layer suspended ceiling structure 7, one end of the air supply main channel 11 is connected with the indoor unit 2 of the air conditioner, the other end of the air supply main channel 11 is communicated with a plurality of air supply branch channels 12, the connecting side of the air supply main channel 11 and the air supply branch channels 12 is provided with a regulating valve, the air supply branch channel 12 is provided with an air supply outlet 13, the air supply outlet 13 is arranged upwards, in order to meet the heat preservation requirement of a laboratory and guarantee the maximum energy-saving operation of the laboratory, the laboratory adopts a double-layer suspended ceiling structure, the upper part of the laboratory is a heat preservation roof made of rock wool color steel plates with the thickness of 50mm and the lower part of the laboratory is a 600 x 0.8mm aluminum alloy pore plate suspended ceiling. The good standard air of constant temperature and humidity system processing, get into the static pressure storehouse that laboratory roof and aluminum alloy orifice plate furred ceiling formed by the air supply wind channel, set up manual adjustable valve on the air supply branch road, it is balanced to conveniently adjust each branch road amount of wind, the terminal elbow export of each branch road of pipeline is upwards, air outlet quantity and position are evenly arranged according to the room condition, the mountable manual governing valve of air outlet department, finely tune each wind gap amount of wind, just so can make the homogeneous mixing of standard air in the static pressure storehouse, send into in the laboratory through aluminum alloy orifice plate furred ceiling board.
The air return system 5 comprises air return vertical columns 14, the air return vertical columns 14 are arranged at four corners in the laboratory 1, the air return vertical columns 14 are hollow, air return shutters 15 are arranged at the lower parts of the air return vertical columns 14, the upper parts of the air return vertical columns 14 are connected with one end of an air return pipeline 16, and the other ends of the air return pipelines 16 are connected with the indoor unit 2 of the air conditioner; the laboratory air return system is changed into an upright post air return mode (non-overhead floor air return mode), the lower part of an air return upright post is provided with an aluminum alloy air return shutter, the upper part of the air return upright post is connected with an air return pipeline, a manual regulating valve is arranged on the air return pipeline to regulate the pressure and the air quantity balance of each air return inlet, and indoor air enters the air return upright post through the air return shutter and then returns to an indoor unit of the air conditioner through an air return air channel;
the fresh air system 6 comprises a fresh air inlet 17, the fresh air inlet 17 is arranged on the wall body of the laboratory 1, the fresh air inlet 17 is connected with one end of a fresh air pipeline 18, the other end of the fresh air pipeline 18 is connected with the indoor unit of the air conditioner 2, fresh air is collected from the outside through the fresh air port, and the fresh air supplement amount of the laboratory is not less than 1.0m3And (min), the filtered air is sent into the air-conditioning indoor unit through the fresh air duct, and the filtered air is mixed with return air in the air-conditioning indoor unit and then sent into the air supply system. The fresh air duct is provided with a filter and an air volume adjusting valve, and the fresh air supplement volume can be adjusted through a manual adjusting valve on the fresh air opening according to requirements. The wall body in the laboratory is provided with a waste gas discharge port, and indoor waste gas is continuously discharged from the discharge port, so that indoor detection personnel are always in an environment-friendly working environment with fresh and clean air.
The second embodiment is as follows:
in this embodiment, on the basis of the first specific implementation manner, specifically, an electric heating tube 19 is disposed in the fresh air duct 18, and an over-temperature power-off protection device is disposed on one side of the electric heating tube 19.
The third concrete implementation mode:
in this embodiment, on the basis of the first specific implementation mode, specifically, a steam pipeline 20 is arranged inside the laboratory 1, the steam pipeline 20 is connected with the indoor unit 2 of the air conditioner, and a filter valve and an automatic steam regulation control valve are arranged on the steam pipeline.
The fourth concrete implementation mode:
on the basis of the first specific implementation mode, in the embodiment, specifically, a filter screen and an adjusting valve are arranged at the joint of the fresh air pipeline 18 and the indoor unit 2 of the air conditioner, and a temperature and humidity sensor is arranged in the fresh air pipeline 18.
The fifth concrete implementation mode:
on the basis of the first specific implementation mode, in the embodiment, specifically, a temperature and humidity sensor is arranged on the orifice plate ceiling 9.
The sixth specific implementation mode:
on the basis of the first specific implementation mode, the embodiment is specific, a plurality of air outlets 21 are arranged on the orifice plate ceiling 9, and the air outlets 21 are provided with adjusting valves.
The seventh embodiment:
in this embodiment, based on the first embodiment, specifically, an outdoor unit 22 is disposed outside the laboratory 1, and according to installation environment limitations, the outdoor unit 22 may be installed on the ground, on the roof, or in a separate room, and the outdoor unit 22 is connected to the indoor unit 2 through a pipeline.
In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A constant-temperature and constant-humidity laboratory comprises a laboratory (1) and an indoor air-conditioning unit (2) arranged in the laboratory (1), and is characterized in that an air supply system (4), an air return system (5) and a fresh air system (6) are arranged at the laboratory (1), and the air supply system (4), the air return system (5) and the fresh air system (6) are all connected with the indoor air-conditioning unit (2);
the air supply system (4) comprises a double-layer ceiling structure (7), the upper part of the double-layer ceiling structure (7) is a roof (8), the lower part of the double-layer ceiling structure (7) is a pore plate ceiling (9), a static pressure bin (10) is arranged inside the double-layer ceiling structure (7), an air supply main channel (11) is arranged inside the double-layer ceiling structure (7), one end of the air supply main channel (11) is connected with the air-conditioning indoor unit (2), the other end of the air supply main channel (11) is communicated with a plurality of air supply branch channels (12), a regulating valve is arranged on the connecting side of the air supply main channel (11) and the air supply branch channels (12), an air supply opening (13) is formed in the air supply branch channels (12), and the air supply opening (13) is;
the air return system (5) comprises air return vertical columns (14), the air return vertical columns (14) are arranged at four corners inside the laboratory (1), the air return vertical columns (14) are hollow, air return shutters (15) are arranged at the lower parts of the air return vertical columns (14), the upper parts of the air return vertical columns (14) are connected with one ends of air return pipelines (16), and the other ends of the air return pipelines (16) are connected with the indoor air-conditioning unit (2);
fresh air system (6) are including new trend inlet (17), new trend inlet (17) set up on laboratory (1) wall body, new trend inlet (17) are connected with new trend pipeline (18) one end, new trend pipeline (18) the other end with machine (2) are connected in the air conditioning.
2. The constant temperature and humidity laboratory according to claim 1, wherein an electric heating pipe (19) is arranged in the fresh air duct (18), and an over-temperature power-off protection device is arranged on one side of the electric heating pipe (19).
3. The constant temperature and humidity laboratory according to claim 1, wherein a steam pipeline (20) is arranged in the laboratory (1), the steam pipeline (20) is connected with the indoor unit (2) of the air conditioner, and a filter valve and an automatic steam regulation control valve are arranged on the steam pipeline.
4. The constant temperature and humidity laboratory according to claim 1, characterized in that a filter screen and a regulating valve are arranged at the joint of the fresh air pipeline (18) and the indoor unit (2) of the air conditioner, and a temperature and humidity sensor is arranged in the fresh air pipeline (18).
5. A laboratory at constant temperature and humidity according to claim 1, characterized in that the suspended ceiling (9) of the perforated plate is provided with a temperature and humidity sensor.
6. A constant temperature and humidity laboratory according to claim 1, wherein the orifice plate ceiling (9) is provided with a plurality of air outlets (21), and the air outlets (21) are provided with adjusting valves.
7. The laboratory for constant temperature and humidity according to claim 1, wherein an outdoor unit (22) of an air conditioner is installed outside the laboratory (1), and can be installed on the ground, on the roof or in a separate room according to installation environment limitations, and the outdoor unit (22) of the air conditioner is connected to the indoor unit (2) of the air conditioner through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921155030.4U CN212081442U (en) | 2020-06-12 | 2020-06-12 | Constant temperature and humidity laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921155030.4U CN212081442U (en) | 2020-06-12 | 2020-06-12 | Constant temperature and humidity laboratory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212081442U true CN212081442U (en) | 2020-12-04 |
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ID=73556144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921155030.4U Active CN212081442U (en) | 2020-06-12 | 2020-06-12 | Constant temperature and humidity laboratory |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212081442U (en) |
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2020
- 2020-06-12 CN CN201921155030.4U patent/CN212081442U/en active Active
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