CN211247703U - Energy-saving fume chamber - Google Patents
Energy-saving fume chamber Download PDFInfo
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- CN211247703U CN211247703U CN201922127598.1U CN201922127598U CN211247703U CN 211247703 U CN211247703 U CN 211247703U CN 201922127598 U CN201922127598 U CN 201922127598U CN 211247703 U CN211247703 U CN 211247703U
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Abstract
The utility model provides an energy-saving fume chamber, the intelligent cabinet temperature adjusting device comprises a cabinet body and a laboratory bench, the inside of the cabinet body has first cavity, second cavity and operation area, first cavity with the second cavity separates through the baffle, experiments through the laboratory bench in the operation area, and in the experimentation, opens first air inlet machine, and then makes the air curtain device can form the air curtain on the next door of guard gate, and the fine gas of avoiding in the operation area experiment production wafts out the operation area and gets into the laboratory. When the guard gate is not closed and need carry out the convulsions to the operation area, outside air exhauster carries out the convulsions to the operation area through the first pipe with the air exit intercommunication, through setting up the air curtain device, leads to easily arranging a large amount of cold wind in the room when avoiding the harmful gas that produces the experiment to discharge well and lead to the fact the extravagant problem of the energy.
Description
Technical Field
The utility model relates to a laboratory ventilation equipment technical field especially relates to an energy-saving fume chamber.
Background
The fume chamber is by extensive application in laboratories such as biology, chemistry, environmental protection for the harmful gas that the emission experiment produced guarantees experimenter's health, avoids its environment that influences the laboratory, and current laboratory fume chamber includes the cabinet body and is located the internal laboratory bench of cabinet, and it is provided with the ventilation pipe to lie in the laboratory bench top on the cabinet body, and the gaseous emission of reaction on with the laboratory bench through the ventilation pipe.
At present, when harmful gas generated in an experiment is exhausted by using a ventilation pipe, a large amount of cold air in a room is easily exhausted, and energy waste is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model adopts the following technical scheme: an energy-saving ventilation cabinet comprises a cabinet body and a laboratory bench, wherein a first cavity, a second cavity and an operation area are arranged in the cabinet body, the first cavity and the second cavity are separated by a partition plate, a first through hole and a second through hole are formed in the partition plate, a first guide pipe is arranged on the partition plate, and the first guide pipe is communicated with the operation area through the first through hole;
a filter screen is arranged in the first cavity, the edge of the filter screen is abutted against the inner side wall of the first cavity, a third perforation is formed in the filter screen, an air outlet is formed in the side wall of the cabinet body, one end, far away from the first perforation, of the first guide pipe penetrates through the third perforation to be communicated with the air outlet, a ventilation opening is formed in the side wall of the first guide pipe, a first baffle is further arranged on the inner side wall of the first guide pipe, and the ventilation opening is movably covered by the first baffle;
a second guide pipe is arranged on one surface, far away from the first guide pipe, of the partition board, the second guide pipe is arranged in the second cavity, the second guide pipe is communicated with the second through hole, an air inlet is formed in one side wall of the operation area, and one end, far away from the second through hole, of the second guide pipe is communicated with the air inlet through a blower;
the laboratory bench set up in the operation zone, just still be provided with the air curtain device on the lateral wall of operation zone, be provided with first air inlet machine in the second cavity, first air inlet machine with the air curtain device is connected, the connector has been seted up on the lateral wall of the cabinet body, first air inlet machine passes through an air-supply line the connector communicates with the outside.
Further, the air curtain device comprises a first air curtain machine and a second air curtain machine, and the first air curtain machine and the second air curtain machine are arranged at intervals.
Furthermore, the first air inlet machine is connected with a connecting pipe, and the other end of the connecting pipe is connected with an air channel control pipe.
Furthermore, the air duct control pipe comprises an air inlet, a first air outlet and a second air outlet, the air inlet is communicated with the connecting pipe, the first air outlet is communicated with the first air curtain machine through a first air outlet pipe, and the second air outlet is communicated with the second air curtain machine through a second air outlet pipe.
Furthermore, a second baffle is arranged in the air duct control pipe and is rotatably connected with the inner side wall of the air duct control pipe.
Further, still include the second motor, the third rotation hole and fourth rotation hole have been seted up to the wind channel control tube, the output shaft of second motor passes the third rotates the hole and connects the second dwang, the second dwang is kept away from the one end rotation of second motor set up in the fourth dwang, just the second dwang with the second baffle is connected.
Furthermore, a wind shield is slidably arranged on the filter screen and is used for covering the filter screen.
Further, the lateral wall of the cabinet body is also provided with a second air inlet machine, and the second air inlet machine is communicated with the first cavity.
Furthermore, two slide rails are arranged on two sides of the filter screen, a plurality of pulleys are arranged on two sides of the windshield, the pulleys on each side are arranged in the slide rails in a sliding mode, an air cylinder is arranged on one side of the filter screen, an air rod of the air cylinder is connected with a push block in a driving mode, and one end face of the push block is connected with the windshield.
Further, still include first motor, first rotation hole and second rotation hole have been seted up to first pipe, the output shaft of first motor passes first rotation hole connects first rotation pole, first rotation pole is kept away from the one end rotation of first motor set up in the second rotation hole, just first rotation pole with first baffle is connected.
The utility model has the advantages that: experiment is carried out through the laboratory bench in the operation area, and in the experimentation, open first air inlet machine, and then make the air curtain device can form the air curtain on the next door of guard gate, and the fine gas of avoiding the experiment production in the operation area drifts out the operation area and gets into the laboratory. When the guard gate is not closed and need carry out the convulsions to the operation area, outside air exhauster carries out the convulsions to the operation area through the first pipe with the air exit intercommunication, through setting up the air curtain device, leads to easily arranging a large amount of cold wind in the room when avoiding the harmful gas that produces the experiment to discharge well and lead to the fact the extravagant problem of the energy.
Drawings
The figures further illustrate the invention, but the embodiments in the figures do not constitute any limitation of the invention.
Fig. 1 is a schematic overall structural diagram of an energy-saving ventilation cabinet according to an embodiment;
fig. 2 is a schematic direction diagram of an energy-saving ventilation cabinet according to an embodiment;
FIG. 3 is an enlarged schematic view at A of FIG. 1;
fig. 4 is an enlarged schematic view of fig. 1 at B.
Detailed Description
The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1 to 4, an energy-saving ventilation cabinet comprises a cabinet body 100 and a laboratory table 200, wherein the cabinet body 100 is provided with a first cavity 110, a second cavity 120 and an operation area 130 inside, the first cavity 110 and the second cavity 120 are separated by a partition 300, the partition 300 is provided with a first through hole 310 and a second through hole 320, a first conduit 400 is arranged on the partition 300, the first conduit 400 is communicated with the operation area 130 through the first through hole 310, a filter screen 140 is arranged in the first cavity 110, the edge of the filter screen 140 is abutted against the inner side wall of the first cavity 110, a third through hole 141 is arranged on the filter screen 140, an air outlet 150 is arranged on the side wall of the cabinet body 100, and one end of the first conduit 400 far away from the first through hole 310 penetrates through the third through hole 141 to be communicated with the air outlet 150, and the side wall of the first conduit 400 is provided with a vent 410, the inner side wall of the first conduit 400 is further provided with a first baffle 420, and the first baffle 420 movably covers the vent 410.
The baffle 300 is far away from be provided with the second pipe 500 on the one side of first pipe 400, the second pipe 500 set up in the second cavity 120, the second pipe 500 with the second is perforated 320 and is communicated, air intake 131 has been seted up on the lateral wall of operation area 130, the second pipe 500 is far away from the second is perforated 320 one end through a blower 510 with air intake 131 communicates, laboratory bench 200 set up in the operation area 130, just still be provided with the air curtain device on the lateral wall of operation area 130, be provided with first air inlet machine 700 in the second cavity 120, first air inlet machine 700 with the air curtain device is connected, connector 160 has been seted up on the lateral wall of cabinet body 100, first air inlet machine 700 passes through an air-supply line 710 connector 160 communicates with the outside.
Specifically, the first cavity 110, the second cavity 120 and the operation area 130 are separated from each other, and the operation area 130 is provided with a protection door 132 sliding up and down, the air curtain device is separated from the protection door 132, and the protection door 132 is provided with an observation window (not shown), which is a transparent glass. Further, through carrying out the experiment in laboratory bench 200 in operation area 130, in the experimental process, open first air inlet machine 700, and then make the air curtain device can form the air curtain by guard gate 132, the gas that well avoids experimental production in operation area 130 drifts out operation area 130 and gets into the laboratory. When the protection door 132 is not closed and the operation area 130 needs to be exhausted, an external exhaust fan (not shown) exhausts the operation area 130 through the first guide duct 400 communicated with the exhaust outlet 150, by arranging the air curtain device, the problem that a large amount of cold air in a room is easily discharged to cause energy waste when harmful gas generated in an experiment is discharged is well solved, and particularly, by arranging the first damper 420 and the filter mesh 140, the first damper 420 is rotated such that the vent 410 is opened, and the first damper 420 at this time blocks the passage of the first duct 400 communicating with the exhaust outlet 150, that is, the gas exhausted from the operating area 130 cannot be exhausted through the exhaust outlet 150, but is discharged from the vent 410 into the first cavity 110, and the air is supplemented toward the operation region 130 by opening the blower 510, and at this time, the air in the first cavity 110 enters from the second duct 500 after passing through the filter screen 140 and then is blown into the operation region 130 by the blower 510. That is, the filter screen 140 can filter the gas well and then recirculate the gas into the operation region 130.
In one embodiment, the air curtain device includes a first air curtain machine 610 and a second air curtain machine 620, the first air curtain machine 610 and the second air curtain machine 620 are arranged at intervals, the first air inlet machine 700 is connected with a connecting pipe 720, the other end of the connecting pipe 720 is connected with an air duct control pipe 730, the air duct control pipe 730 includes an air inlet (not shown), a first air outlet (not shown) and a second air outlet (not shown), the air inlet is communicated with the connecting pipe 720, the first air outlet is communicated with the first air curtain machine 610 through a first air outlet pipe 731, the second air outlet is communicated with the second air curtain machine 620 through a second air outlet pipe 732, a second baffle 733 is arranged in the air duct control pipe 730, the second baffle 733 is rotatably connected with the inner side wall of the air duct control pipe 730, the energy-saving ventilation cabinet further includes a second motor (not shown), the air duct control pipe 730 is provided with a third rotation hole (not shown in the figure) and a fourth rotation hole (not shown in the figure), the output shaft of the second motor passes through the third rotation hole to be connected with a second rotating rod (not shown in the figure), the second rotating rod is far away from one end of the second motor is rotatably arranged in the fourth rotation hole, and the second rotating rod is connected with the second baffle 733. That is, the first air curtain machine 610 is located below the second air curtain machine 620, and when the protection door 132 is pushed to the top completely, the air curtain formed by the first air curtain machine 610 and the second air curtain machine 620 can block the area opened by the protection door 132 well. When only needing first air curtain machine 610 to blow out the air curtain, drive the second dwang through the second motor and rotate, and then drive second baffle 733 and rotate for second baffle 733 leads to the passageway of second air outlet, makes and blows out from first air inlet machine 700 through the air that comes in all from first air outlet, also namely passes through to first air curtain machine 610 through first play tuber pipe 731, then forms the air curtain. When the first air curtain machine 610 and the second air curtain machine 620 are needed to be used simultaneously, the second rotating rod is driven to rotate through the rotation of the second motor, so that the whole second baffle 733 is driven to rotate, the second baffle 733 is attached to the side wall of the air duct control tube 730, and therefore air introduced from the first air inlet machine 700 can be discharged from the first air outlet and the second air outlet simultaneously, namely the first air curtain machine 610 and the second air curtain machine 620 can form an air curtain simultaneously.
In one embodiment, a wind shield (not shown) is slidably disposed on the filter screen 140, and the wind shield is used for covering the filter screen 140. The lateral wall of the cabinet body 100 still is provided with a second air inlet machine (not shown), the second air inlet machine with first cavity 110 intercommunication, the both sides of filter screen 140 are provided with two slide rails (not shown), just the both sides of windshield all are provided with a plurality of pulleys (not shown), and is a plurality of on each side the pulley slides and sets up in one in the slide rail, just one side of filter screen 140 is provided with a cylinder (not shown), a ejector pad (not shown) is connected in the air lever drive of cylinder, a terminal surface of ejector pad with the windshield is connected. That is to say, through setting up the windshield, when needing directly to ventilate through the second air inlet machine, drive the ejector pad through the cylinder and remove, drive the one end removal of windshield, and then shelter from whole filter screen 140 after making the windshield remove. The air introduced from the second air inlet fan is prevented from passing through the filter screen 140, and it is ensured that the introduced air can enter the operation area 130 through the second duct 500 and then through the air inlet 131.
In an embodiment, the first duct 400 further includes a first motor (not shown), the first duct 400 defines a first rotation hole (not shown) and a second rotation hole (not shown), an output shaft of the first motor passes through the first rotation hole to connect to a first rotation rod (not shown), an end of the first rotation rod away from the first motor is rotatably disposed in the second rotation hole, and the first rotation rod is connected to the first baffle 420. That is to say, rotate through first motor and drive first rotation pole and rotate, and then drive first baffle 420 and rotate, consequently can carry out fine control to the position of first baffle 420.
As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.
Claims (10)
1. An energy-saving ventilation cabinet comprises a cabinet body and a test bed, and is characterized in that a first cavity, a second cavity and an operation area are arranged in the cabinet body, the first cavity and the second cavity are separated by a partition plate, a first through hole and a second through hole are formed in the partition plate, a first guide pipe is arranged on the partition plate, and the first guide pipe is communicated with the operation area through the first through hole;
a filter screen is arranged in the first cavity, the edge of the filter screen is abutted against the inner side wall of the first cavity, a third perforation is formed in the filter screen, an air outlet is formed in the side wall of the cabinet body, one end, far away from the first perforation, of the first guide pipe penetrates through the third perforation to be communicated with the air outlet, a ventilation opening is formed in the side wall of the first guide pipe, a first baffle is further arranged on the inner side wall of the first guide pipe, and the ventilation opening is movably covered by the first baffle;
a second guide pipe is arranged on one surface, far away from the first guide pipe, of the partition board, the second guide pipe is arranged in the second cavity, the second guide pipe is communicated with the second through hole, an air inlet is formed in one side wall of the operation area, and one end, far away from the second through hole, of the second guide pipe is communicated with the air inlet through a blower;
the laboratory bench set up in the operation zone, just still be provided with the air curtain device on the lateral wall of operation zone, be provided with first air inlet machine in the second cavity, first air inlet machine with the air curtain device is connected, the connector has been seted up on the lateral wall of the cabinet body, first air inlet machine passes through an air-supply line the connector communicates with the outside.
2. An energy efficient fumehood according to claim 1 wherein: the air curtain device comprises a first air curtain machine and a second air curtain machine, wherein the first air curtain machine and the second air curtain machine are arranged at intervals.
3. An energy efficient fumehood according to claim 2 wherein: the first air inlet machine is connected with a connecting pipe, and the other end of the connecting pipe is connected with an air channel control pipe.
4. An energy efficient fumehood according to claim 3 wherein: the air duct control pipe comprises an air inlet, a first air outlet and a second air outlet, the air inlet is communicated with the connecting pipe, the first air outlet is communicated with the first air curtain machine through a first air outlet pipe, and the second air outlet is communicated with the second air curtain machine through a second air outlet pipe.
5. An energy saving fumehood according to claim 4 wherein: and a second baffle is arranged in the air duct control pipe and is rotatably connected with the inner side wall of the air duct control pipe.
6. An energy saving fumehood according to claim 5 wherein: still include the second motor, the third rotation hole and fourth rotation hole have been seted up to the wind channel control pipe, the output shaft of second motor passes the third rotates the jogged joint second dwang, the second dwang is kept away from the one end of second motor rotate set up in the fourth rotation hole, just the second dwang with the second baffle is connected.
7. An energy efficient fumehood according to claim 1 wherein: and a wind shield is arranged on the filter screen in a sliding manner and is used for covering the filter screen.
8. An energy efficient fumehood according to claim 7 wherein: the lateral wall of the cabinet body is also provided with a second air inlet machine, and the second air inlet machine is communicated with the first cavity.
9. An energy efficient fumehood according to claim 7 wherein: the two sides of the filter screen are provided with two slide rails, the two sides of the windshield are provided with a plurality of pulleys, the pulleys on each side are arranged in one slide rail in a sliding mode, an air cylinder is arranged on one side of the filter screen, an air rod of the air cylinder is connected with a push block in a driving mode, and one end face of the push block is connected with the windshield.
10. An energy efficient fumehood according to claim 1 wherein: still include first motor, first rotation hole and second rotation hole have been seted up to first pipe, the output shaft of first motor passes first rotation hole connects first rotation pole, first rotation pole is kept away from the one end rotation of first motor set up in the second rotation hole, just first rotation pole with first baffle is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127598.1U CN211247703U (en) | 2019-11-29 | 2019-11-29 | Energy-saving fume chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127598.1U CN211247703U (en) | 2019-11-29 | 2019-11-29 | Energy-saving fume chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211247703U true CN211247703U (en) | 2020-08-14 |
Family
ID=71965357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922127598.1U Active CN211247703U (en) | 2019-11-29 | 2019-11-29 | Energy-saving fume chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211247703U (en) |
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2019
- 2019-11-29 CN CN201922127598.1U patent/CN211247703U/en active Active
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