CN221288984U - Energy-saving device for adjusting air quantity of ventilation cabinet - Google Patents
Energy-saving device for adjusting air quantity of ventilation cabinetInfo
- Publication number
- CN221288984U CN221288984U CN202323039684.XU CN202323039684U CN221288984U CN 221288984 U CN221288984 U CN 221288984U CN 202323039684 U CN202323039684 U CN 202323039684U CN 221288984 U CN221288984 U CN 221288984U
- Authority
- CN
- China
- Prior art keywords
- plastic film
- air quantity
- brake motor
- energy
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009423 ventilation Methods 0.000 title claims description 11
- 239000002985 plastic film Substances 0.000 claims abstract description 69
- 229920006255 plastic film Polymers 0.000 claims abstract description 69
- 239000003517 fume Substances 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- 238000005265 energy consumption Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000005381 potential energy Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007705 chemical test Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model discloses an energy-saving device for adjusting the air quantity of a fume hood, which belongs to the field of fume hoods, and comprises a fume hood body and an exhaust channel penetrating through the upper end of the fume hood body, wherein a working cavity communicated with the lower end of the exhaust channel is arranged at the inner opening of the fume hood body, a groove is formed in the upper wall of the working cavity, a guide mechanism is arranged on one side of the groove, spring springs are arranged on two sides of the groove along the vertical direction, a rotating shaft is arranged between the two spring springs, a plastic film is arranged on the outer side of the rotating shaft, a brake motor is arranged on the lower wall of the working cavity, one end of the plastic film extends out of the groove and a traction rope is arranged between the plastic film and the output end of the brake motor.
Description
Technical Field
The utility model relates to the field of a fume hood, in particular to an energy-saving type fume hood air quantity adjusting device.
Background
The cabinet type exhaust hood is also called a fume hood, is applied to exhaust of tail gas of small parts such as air injection, chemical tests and the like, and is generally provided with an exhaust fan at the upper end or the lower end of a cabinet body for sucking air in the cabinet body, so that the operation of treating powder in the cabinet body is not influenced, and the air quantity is regulated by changing the area of an air inlet of an exhaust channel;
According to patent search, the Chinese patent with the bulletin number of CN219130280U discloses a ventilation cabinet with adjustable air quantity, which comprises a ventilation cabinet body and an air quantity adjusting mechanism, wherein one side of the ventilation cabinet body is provided with an air inlet, and both sides of the air inlet are provided with mounting grooves, although the driving mechanism works to drive a screw rod to rotate so as to drive a movable plate to lift so as to adjust the size of the air inlet, meanwhile, the diameter of the screw rod is fixed, the rotating angle of the screw rod is measured through a magnetic induction measuring assembly, and then the moving height difference of the movable plate is measured so as to replace the traditional ventilation cabinet air quantity adjusting mode;
However, when the air quantity of the ventilation cabinet is regulated by the patent, the first bevel gear is driven by the driving motor to rotate to drive the second bevel gear and the screw rod to rotate so as to change the position of the movable plate, the movable plate is heavy, the driving motor needs to work with larger power, and the problem of larger energy consumption in the air quantity regulation process is caused.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model aims to provide an energy-saving device for adjusting the air quantity of a ventilation cabinet, which can change the air quantity in a mode of moving a plastic film, has small quality of the plastic film and is convenient for saving the energy consumption in the air quantity adjusting process.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides an energy-saving device of adjusting fume chamber amount of wind, includes the fume chamber body and runs through the passageway of airing exhaust of installing in fume chamber body upper end, the inside opening of fume chamber body has the working chamber with passageway lower extreme intercommunication of airing exhaust, the upper wall of working chamber is seted up flutedly, one side of recess is provided with guiding mechanism, the clockwork spring is all installed along vertical direction in the both sides of recess, two be provided with the rotation axis between the centre of clockwork spring, the plastic film is installed in the outside of rotation axis, brake motor is still installed to the working chamber lower wall, the one end of plastic film extends the inside and haulage rope that is provided with of recess and brake motor's output between, changes the amount of wind through the mode of removing the plastic film, and the plastic film is of low quality, can reduce brake motor's consumption, makes things convenient for saving air quantity adjustment process energy consumption.
Further, guiding mechanism includes two slide rails that are parallel to each other of fixed mounting on one side of the recess, slidable mounting has area Kong Lvban between the one side that the slide rail is close to each other, one side that the brake motor was kept away from to area Kong Lvban bonds in the inside one end of plastic film extension recess, the hole of area Kong Lvban is passed by the one end of haulage rope, and the brake motor drives the haulage rope, and pulling area Kong Lvban drives the plastic film and slides between two slide rails, leads by two slide rails, can improve the stability when the plastic film slides, reduces the degree of plastic film off tracking to increase the area of haulage rope with foraminiferous aluminum plate traction plastic film, reduce the condition emergence that the plastic film was torn by the haulage rope.
Further, the output end of the brake motor is fixedly provided with a coaxial winding wheel, one end of the traction rope is wound and connected to the inner side of the winding wheel, one end of the traction rope is wound on the winding wheel, limiting is convenient, and scattered parts of the traction rope are reduced.
Further, the flange ring is installed in the hole embedding of area Kong Lvban, the one end that the haulage rope was kept away from the winding wheel passes the flange ring inside and tie-up, supports the part that the haulage rope is located the hole of foraminiferous aluminum plate with the flange ring, conveniently reduces the friction effect that the haulage rope applyed to the hole of area Kong Lvban, extension foraminiferous aluminum plate's life.
Further, the support roller is arranged on one side, close to the brake motor, of the groove along the horizontal direction, the lower surface of the support roller is clung to the upper surface of the plastic film, the support roller is used for supporting the plastic film at the opening of the groove, so that the opening of the groove of the plastic film is suspended, and friction cannot occur.
Further, the distance between the two sliding rails is larger than the width of the plastic film, so that a sufficient safety distance is reserved between the sliding rails and the plastic film, and the sliding rails cannot be rubbed to cause abrasion when the plastic film moves.
Advantageous effects
Compared with the prior art, the utility model has the advantages that:
(1) When the air quantity is regulated by the scheme, the brake motor is controlled to wind the traction rope in a specified time period, the plastic film is pulled to shield the air inlet of the air exhaust channel, the working time length of the brake motor determines the travel of the plastic film, namely the increasing amount of the area of the air inlet is shielded, meanwhile, the plastic film drives the rotating shaft to rotate forward and wind two springs, otherwise, the brake motor is controlled to rotate reversely in the specified time period, the traction rope is loosened, the rotating shaft is rotated reversely to wind the plastic film under the action of elastic potential energy of the two springs, the area of shielding the air inlet is reduced, the air quantity can be changed by moving the plastic film, the plastic film is small in quality, the power consumption of the brake motor can be reduced, and the energy consumption of the air quantity regulation process is conveniently saved.
(2) This scheme brake motor during operation drives the haulage rope, and pulling area Kong Lvban drives the plastic film and slides between two slide rails, is guided by two slide rails, can improve the stability when the plastic film slides, reduces the degree of plastic film off tracking to increase the area of haulage rope traction plastic film with foraminiferous aluminum plate, reduce the condition emergence that the plastic film was torn by the haulage rope.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2B according to the present utility model.
The reference numerals in the figures illustrate:
1. A fume hood body; 2. an exhaust passage; 3. a working chamber; 4. a groove; 5. a spring; 6. a rotation shaft; 7. a plastic film; 8. a brake motor; 9. a traction rope; 10. a slide rail; 11. a band Kong Lvban; 12. a winding wheel; 13. a flange ring; 14. and (5) supporting rollers.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Referring to fig. 1-4, an energy-saving device for adjusting the air volume of a fume hood comprises a fume hood body 1 and an air exhaust channel 2 penetrating through the upper end of the fume hood body 1, wherein the model of the fume hood body 1 is SW-TFG-12, an intelligent panel is provided, the air volume can be automatically monitored through a sensor, an air exhaust fan is fixedly arranged in the air exhaust channel 2 through a screw, the technical scheme is that a control system is not shown in the prior art, the fume hood body 1 is provided with a control system for controlling the whole device to operate, the inner opening of the fume hood body 1 is provided with a working cavity 3 communicated with the lower end of the air exhaust channel 2, the upper wall of the working cavity 3 is provided with a groove 4, one side of the groove 4 is provided with a guide mechanism, two sides of the groove 4 are respectively provided with a spring 5 along the vertical direction, one ends of the two springs 5 are welded on one side of the groove 4, a rotating shaft 6 is arranged between the two springs 5, the two ends of the rotating shaft 6 are respectively connected to two sides of the groove 4 through bearings in a rotating way, the plastic film 7 is arranged on the outer side of the rotating shaft 6 in a winding way, the outer sides of the rotating shaft 6 are also welded to the other ends of the two springs 5, the lower wall of the working cavity 3 is also provided with the brake motor 8 through bolts, one end of the plastic film 7 extends out of the groove 4 and a traction rope 9 is arranged between the plastic film 7 and the output end of the brake motor 8, an exhaust fan is started firstly, when the air quantity is regulated, the air quantity of the exhaust channel 2 is monitored in real time by a control system, the brake motor 8 is controlled to rotate positively in a specified time period, the traction rope 9 is wound, the plastic film 7 is pulled to shield the air inlet of the exhaust channel 2, the rotating speed of the brake motor 8 is constant, therefore, the working time length of the brake motor determines the stroke of the plastic film 7, namely the increment of the area of the air inlet is shielded, meanwhile, the plastic film 7 drives the rotating shaft 6 to rotate forward and wind the two springs 5, otherwise, the brake motor 8 is controlled to rotate reversely in a specified time period, the traction rope 9 is loosened, the rotating shaft 6 is reversed to wind the plastic film 7 under the action of elastic potential energy of the two springs 5, the area for shielding the air inlet is reduced, the air quantity can be changed in a mode of moving the plastic film 7, the plastic film 7 is small in quality, the power consumption of the brake motor 8 can be reduced, and the air quantity adjusting process energy consumption can be saved conveniently.
Referring to fig. 2 and 4, the guiding mechanism includes two parallel sliding rails 10 fixedly installed on one side of the groove 4, a belt Kong Lvban is slidably installed between two sides of the sliding rails 10, which are close to each other, one side of the perforated aluminum plate 11, which is far away from the brake motor 8, is adhered to one end of the plastic film 7, which extends out of the groove 4, the hole of the perforated aluminum plate 11 is penetrated by one end of the traction rope 9, the brake motor 8 drives the traction rope 9 when working, the belt Kong Lvban 11 is pulled to drive the plastic film 7 to slide between the two sliding rails 10, the two sliding rails 10 are used for guiding, the stability of the plastic film 7 when sliding can be improved, the degree of deviation of the plastic film 7 is reduced, the area of the plastic film 7 pulled by the traction rope 9 is increased by the perforated aluminum plate 11, and the situation that the plastic film 7 is torn by the traction rope 9 is reduced.
Referring to fig. 4, the output end of the brake motor 8 is fixedly provided with a coaxial winding wheel 12, one end of the traction rope 9 is wound and connected to the inner side of the winding wheel 12, and when the traction rope 9 is wound, one end of the traction rope 9 is wound on the winding wheel 12, so that the limiting is convenient, and the scattered part of the traction rope 9 is reduced.
Referring to fig. 1 and 4, the flange ring 13 is embedded and installed in the hole of the aluminum plate 11 with holes, one end, far away from the winding wheel 12, of the traction rope 9 penetrates through the flange ring 13 and is fastened, and when the aluminum plate with holes works, the flange ring 13 is used for supporting the part, located in the holes of the aluminum plate 11 with holes, of the traction rope 9, so that friction applied to the holes of the aluminum plate 11 with holes by the traction rope 9 is reduced conveniently, and the service life of the aluminum plate 11 with holes is prolonged.
Referring to fig. 2 and 3, a supporting roller 14 is mounted on one side of the groove 4, which is close to the brake motor 8, in the horizontal direction, the lower surface of the supporting roller 14 is tightly attached to the upper surface of the plastic film 7, and when in operation, the plastic film 7 is supported by the supporting roller 14 at the opening of the groove 4, and rotates forward along with the forward movement of the plastic film 7, and when the plastic film 7 retreats, the supporting roller 14 rotates reversely, so that the opening of the groove 4 of the plastic film 7 is suspended and cannot generate friction.
Referring to fig. 3 and 4, the distance between the two sliding rails 10 is larger than the width of the plastic film 7, so that a sufficient safety distance is reserved between the sliding rails 10 and the plastic film 7, and the sliding rails 10 cannot be rubbed to cause abrasion when the plastic film 7 moves.
Working principle: when the air quantity is regulated, the air quantity of the air exhaust channel 2 is monitored in real time by a control system, the brake motor 8 is controlled to rotate forward in a specified time period, the traction rope 9 is wound, the belt Kong Lvban is pulled to drive the plastic film 7 to slide between the two slide rails 10, the two slide rails 10 are used for guiding, the plastic film 7 shields the air inlet of the air exhaust channel 2, the area of the traction rope 9 for drawing the plastic film 7 is increased by using the aluminum plate 11 with holes, the rotating speed of the brake motor 8 is constant, and therefore, the working time length of the brake motor determines the travel of the plastic film 7, namely the increasing quantity of the area of the air inlet is shielded.
At the same time, the plastic film 7 drives the rotary shaft 6 to rotate forward and winds the two springs 5.
On the contrary, the brake motor 8 is controlled to rotate reversely in a specified time period, the traction rope 9 is loosened, the rotating shaft 6 is rotated reversely to roll the plastic film 7 under the action of elastic potential energy of the two springs 5, the area for shielding the air inlet is reduced, the air quantity can be changed in a mode of moving the plastic film 7, the plastic film 7 is small in mass, the power consumption of the brake motor 8 can be reduced, and the air quantity adjusting process energy consumption is conveniently saved.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides an energy-saving type device for adjusting ventilation cabinet air quantity, includes fume chamber body (1) and runs through and install exhaust channel (2) in fume chamber body (1) upper end, its characterized in that: the utility model discloses a fume chamber, including ventilation cabinet body (1), work chamber (3) that ventilation channel (2) lower extreme was linked together is had to the inside opening of fume chamber body (1), recess (4) have been seted up to the upper wall of work chamber (3), one side of recess (4) is provided with guiding mechanism, clockwork spring (5) are all installed along vertical direction to the both sides of recess (4), two be provided with rotation axis (6) between the centre of clockwork spring (5), plastic film (7) are installed in the outside of rotation axis (6), brake motor (8) are still installed to the lower wall of work chamber (3), inside and the output of brake motor (8) are provided with haulage rope (9) between the inside of recess (4) are extended to the one end of plastic film (7).
2. The energy-saving device for adjusting the air quantity of a fume hood according to claim 1, wherein: the guiding mechanism comprises two mutually parallel sliding rails (10) fixedly arranged on one side of the groove (4), a belt Kong Lvban (11) is slidably arranged between the mutually approaching sides of the sliding rails (10), one side, far away from the brake motor (8), of the belt Kong Lvban (11) is adhered to one end, extending out of the groove (4), of the plastic film (7), and the hole of the belt Kong Lvban (11) is penetrated by one end of the traction rope (9).
3. The energy-saving device for adjusting the air quantity of a fume hood according to claim 2, wherein: the output end of the brake motor (8) is fixedly provided with a coaxial winding wheel (12), and one end of the traction rope (9) is wound and connected to the inner side of the winding wheel (12).
4. An energy-saving device for adjusting the air quantity of a fume hood according to claim 3, wherein: the flange ring (13) is embedded and installed in the hole of the belt Kong Lvban (11), and one end of the traction rope (9) far away from the winding wheel (12) passes through the inside of the flange ring (13) and is fastened.
5. The energy-saving device for adjusting the air quantity of a fume hood according to claim 1, wherein: and a supporting roller (14) is arranged on one side of the groove (4) close to the brake motor (8) along the horizontal direction, and the lower surface of the supporting roller (14) is tightly attached to the upper surface of the plastic film (7).
6. The energy-saving device for adjusting the air quantity of a fume hood according to claim 2, wherein: the distance between the two sliding rails (10) is larger than the width of the plastic film (7).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221288984U true CN221288984U (en) | 2024-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |