CN206519421U - A kind of vent cabinet - Google Patents
A kind of vent cabinet Download PDFInfo
- Publication number
- CN206519421U CN206519421U CN201720013322.9U CN201720013322U CN206519421U CN 206519421 U CN206519421 U CN 206519421U CN 201720013322 U CN201720013322 U CN 201720013322U CN 206519421 U CN206519421 U CN 206519421U
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- blowing
- coupled
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- induced
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Abstract
The utility model discloses a kind of vent cabinet, including equipment body, equipment body sets gradually operating cavity and equipment cavity from top to bottom, table top separation is provided between operating cavity and equipment cavity, the opening being in communication with the outside is provided with operation chamber, blowing device is set at the top of equipment body, operating cavity side wall sets hollow chamber, hollow chamber is provided with some air vents connected with operating cavity, the air intake device connected with hollow chamber is set in equipment cavity, air intake device includes induced-draught fan and the alignment circuit for adjusting induced-draught fan, alignment circuit includes, adjustment module, including the main line and by-pass on induced-draught fan, coupled by main line and by-pass and draw the first gear T1 for being used for adjusting induced-draught fan rotating speed, second gear T2, third gear T3 and fourth speed position T4；Increase gear module, the fifth speed position T5 and sixth speed position T6 for being coupled to adjustment module and drawing；The problem of air draught effect is bad can be had by solving the vent cabinet air draught of air draft setting.
Description
Technical field
The utility model is related to vent cabinet, more specifically, it relates to a kind of vent cabinet.
Background technology
Vent cabinet is an indispensable part during laboratory ventilation is set.In order that laboratory worker avoids suction
Or swallow that some are poisonous, can cause a disease or should be carried out in the not clear chemical substance of toxicity and organism, laboratory good logical
Wind.To prevent the absorption of some gases and the gentle suspended substance of particulate, smog, dust, polluter need to vent cabinet, ventilator cowling or
The method of local ventilation is removed.It is most importantly degassing function in the function of vent cabinet, in chemical laboratory, during experimental implementation
Various pernicious gases, foul smell, moisture and the inflammable, corrosive substance produced, in order to protect the safety of user, prevents experiment
Polluter in room is spread to laboratory, and vent cabinet is used near pollution sources.But, in order to not influence experiment, typically
Vent cabinet is all provided in the periphery of laboratory internal, and it has in a certain distance, experimentation apart from experimental facilities produces
Harmful substance first will be diffused into air, can be just vented until harmful substance is floatd near vent cabinet cabinet discharge, institute
It is difficult timely to exclude harmful substance produced during laboratory experiment with this vent cabinet.
Prior art provides a kind of ventilation experiment cabinet, experimental bench is set in vent cabinet, so that institute in experimentation
The waste gas of generation can be discharged directly by vent cabinet.One as disclosed in the utility model of Application No. 201320091912.5
All steel ventilation experiment cabinet, including supporting table and experimental bench are planted, experimental bench is arranged on the top of supporting table, and experimental bench side is experiment
Mouthful, and there is an experiment reaction chamber in experimental bench, the top of experiment mouth is provided with ventilating opening, and each ventilating opening reacts with experiment
Chamber connects to form ventilation passage.Harmful floating substance produced by experimentation largely directly can pass through ventilating opening quilt
Discharge laboratory.
But, some experiments may use volatile heavy metal or the larger harmful substance of molecular mass（Such as mercury,
Arsenic etc.）It is due to that itself molecular mass is larger, after volatilization, it is not easy to fly away upwards although these materials can volatilize,
The ventilating opening for being arranged on experiment mouth top is difficult to exclude these harmful substances in time, may cause experimenter in experimentation
In can suck these harmful substances, threaten the health of experimenter.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of vent cabinet, the row of solving
It is bad that the vent cabinet air draught that wind is set can have an air draught effect, during experimental implementation generally below experiment cabinet, and upper air draft can not be by
Harmful substance is all absorbed.
To achieve the above object, the utility model provides following technical scheme：
A kind of vent cabinet, including equipment body, equipment body set gradually operating cavity and equipment cavity, operating cavity from top to bottom
It is provided with to be provided with the top of the opening being in communication with the outside, equipment body in table top separation, operation chamber between equipment cavity and sets
Blowing device, operating cavity side wall sets hollow chamber, and hollow chamber is provided with some air vents connected with operating cavity, equipment cavity
Interior to set the air intake device connected with hollow chamber, air intake device includes induced-draught fan and the alignment circuit for adjusting induced-draught fan,
Alignment circuit includes,
Adjustment module, including main line and by-pass on induced-draught fan, being drawn by main line with by-pass coupling is used to adjust
The first gear T1, the second gear T2, third gear T3 and the fourth speed position T4 of induced-draught fan rotating speed；
Increase gear module, the fifth speed position T5 and sixth speed position T6 for being coupled to adjustment module and drawing.
By using above-mentioned technical proposal, experimental implementation is mainly carried out by operating cavity when carrying out experimental implementation, entered
During row experimental implementation, the side wall of operating cavity is provided with air vent at table top, now starts the air draught dress being located in equipment cavity
Put, induced-draught fan carries out air draught operation to air vent, the gas in operating cavity can be sucked in hollow chamber, in order to avoid being harmful to gas
Body flies away upwards, and blowing device is additionally provided with the top of operating cavity, and operation can be blowed downwards, due to blowing device
If can also can avoid producing can be atomized on the protection eyes of operating personnel when the high-temperature gases such as steam fly away upwards, no
It is easy to the situation of observation experiment, induced-draught fan can be adjusted by adjustment module and increasing gear module to the air draught speed of induced-draught fan
Section, the air draught speed of induced-draught fan is adjusted according to different demands, air draught speed is always divided into six gear-adjustables, wind-speed gear
Successively decrease successively.
Improved as of the present utility model, it is some that the air intake device is connected including being located in hollow chamber with equipment cavity
The wind-guiding funnel connected with lower exhaust outlet is set in lower exhaust outlet, equipment cavity, sets first to lead between wind-guiding funnel and induced-draught fan
The ajutage being in communication with the outside is additionally provided with airduct, induced-draught fan.
By using above-mentioned technical proposal, when carrying out air draught operation, start the induced-draught fan being located in equipment cavity first, inhale
Blower fan now produces suction to the first ventilation duct, because the first ventilation duct is connected with wind-guiding funnel, therefore is ultimately inhaled middle cavity
Indoor gas is discharged into air draught funnel, is finally expelled to outdoor from ajutage.
Improved as of the present utility model, the adjustment module includes the electric capacity C1 being located between main line and by-pass, main line
One end is provided with the first node N1 coupled with electric capacity C1, and the main line other end is provided with the Section Point directly coupled in by-pass
N2, fourth speed position T4 is coupled to Section Point N2, the first gear T1, the second gear T2, third gear T3 and is coupled to main line.
By using above-mentioned technical proposal, when the air draught wind speed of induced-draught fan is adjusted, difference only need to be adjusted
Gear is the control that wind speed can be achieved.
Improved as of the present utility model, it is described to increase the reactance B that gear module and Section Point N2 are coupled, reactance B one end with
Section Point N2 is coupled, and the reactance B other ends are coupled to power line.
By using above-mentioned technical proposal, it is external gear to increase gear module relative to adjustment module, passes through reactance decompression side
Method reduction inputs the voltage of the slow shelves of motor and reduces the rotating speed of hair-dryer to reach that induced-draught fan exports the purpose of small air quantity.
Improved as of the present utility model, the increasing gear module is resistance winding and acting in opposition is connected each other with by-pass.
By using above-mentioned technical proposal, by increasing reaction on the slow shelves of motor main line, motor outputting torsion is reduced
To reach that hair-dryer exports the purpose of small air quantity.
Improved as of the present utility model, the blowing device, which includes being located in the transverse slat at the top of operating cavity, transverse slat, to be set
Blowing thermomechanical components are additionally provided with the blowhole that blowing chamber and blowing chamber are in communication with the outside, equipment body, thermomechanical components bag of drying
Hair-dryer M1 and hair-dryer M2 are included, the second ventilation duct is set between blowing thermomechanical components and blowing chamber, blowing device also includes being used for
Control the blowing circuit of hair-dryer.
By using above-mentioned technical proposal, when needing to start blowing device, it can as needed ask and arbitrarily be blown to open
Hair-dryer in fan assembly, while in order to strengthen blowing power it is also possible that blowing thermomechanical components are all turned on blowing air into
In passage.
Improved as of the present utility model, the blowing circuit includes,
Power module, for providing electric energy for late-class circuit；
Control module, is coupled to power module, for blowing thermomechanical components rotating speed to be adjusted and output control signal；
Performing module, is coupled to control module, receives and responds to control signal control blowing thermomechanical components and rotates；
Lighting module, positioned at control module and performing module, for being illuminated operation to operating cavity.
By using above-mentioned technical proposal, blowing circuit can control the big minor adjustment of wind speed of blowing thermomechanical components, control mould
Block can carry out the control of different demands to the wind speed for thermomechanical components of drying, and performing module, which can be received, comes from control module
Control signal simultaneously drives blowing thermomechanical components to perform blowing operation, and because blowing circuit is located in blowing device, blowing device is located at
At the top of operating cavity, therefore it is provided with lighting module in blowing circuit and can be illuminated in experimental implementation, is arranged on operation
The lighting module of top of chamber is avoided when being arranged on operating cavity bottom, and stimulation is produced to the eye of operating personnel.
Improved as of the present utility model, the control module includes double opening plug-in strip K1, the first blowing plug-in strip K2, second blowing
Air lock knife K3 is respectively coupled to hair-dryer M1 and hair-dryer M2 with the illumination plug-in strip K4, double plug-in strip K1 that open that are coupled to lighting module,
First blowing plug-in strip K2 is coupled to hair-dryer M1, the second blowing plug-in strip K3 and is coupled to hair-dryer M2.
By using above-mentioned technical proposal, by controlling different plug-in strips to realize the control of blowing thermomechanical components, start
Double is peak power wind speed when opening plug-in strip K1, and different blowings can be controlled by starting first blowings of the plug-in strip K2 or second plug-in strip K3 that dries
The startup of machine, is that need to only start illumination plug-in strip K4 when needing illumination.
Improved as of the present utility model, the performing module includes the electric capacity C2, hair-dryer M2 coupled with hair-dryer M1
It is coupled with electric capacity C3.
By using above-mentioned technical proposal, performing module is mainly used to carry out execution operation to blowing thermomechanical components, in blowing
Electric capacity C2 is coupled with machine M1, electric capacity C3. is coupled with hair-dryer M2
Improved as of the present utility model, the lighting module includes LED, LED one end is coupled to illumination plug-in strip K4,
The LED other end is coupled to power supply.
It is that may be such that LED is turned on when closing illumination plug-in strip, the LED after conducting lights by using above-mentioned technical proposal,
Experimental implementation can be now carried out, illumination plug-in strip is disconnected if not needing LED luminous.
There is the utility model the vent cabinet air draught for solving air draft setting can there is the bad advantage of air draught effect.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the present embodiment；
Fig. 2 is the profile of the present embodiment；
Fig. 3 is Fig. 2 A portions enlarged diagram；
Fig. 4 is alignment circuit principle schematic；
Fig. 5 is blowing circuit theory schematic diagram.
Reference：110th, alignment circuit；210th, control module；310th, performing module；111st, equipment body；112nd, operate
Chamber；113rd, equipment cavity；114th, table top；115th, hollow chamber；116th, air vent；117th, induced-draught fan；118th, lower exhaust outlet；119th, lead
Wind funnel；211st, the first ventilation duct；212nd, ajutage；213rd, transverse slat；214th, blowing chamber；215th, blowhole；216th, the second ventilation
Pipe.
Embodiment
Embodiment is described further referring to the drawings.
A kind of vent cabinet, with reference to such as Fig. 1 and Fig. 2, operating cavity 112 is provided with equipment body 111 can carry out experiment behaviour
Make, the lower section of operating cavity 112 is provided with equipment cavity 113 and the air intake device in equipment cavity 113, while in operating cavity
112 top is additionally provided with the blowing device coordinated with air intake device, and the side side wall of operating cavity 112 is provided with to be taken for experimenter
The opening that experiment article enters in operating cavity 112 is taken or placed, is in communication with the outside by opening manipulation chamber 112, in operating cavity
112 three side walls of residue for removing opening place side wall, which are provided with hollow chamber 115, hollow chamber 115, to be provided with and grasps
Make some air vents 116 of the connection of chamber 112, if being provided between the wind-guiding funnel 119 in hollow chamber 115 and equipment cavity 113
Dry lower exhaust outlet 118, sets the first ventilation duct 211, induced-draught fan 117, which is additionally provided with, to be prolonged between wind-guiding funnel 119 and induced-draught fan 117
Extend the ajutage 212 of outdoor.
Reference picture 4 and Fig. 5, the by-pass of induced-draught fan 117 are in parallel with the main line of induced-draught fan 117 after being connected with electric capacity C1, air draught
One end that the main line of machine 117 connects with electric capacity C1 connects as first node N1, the main line of induced-draught fan 117 with the by-pass of induced-draught fan 117
Section Point N2 draw fourth speed position T4, while drawing the first gear T1, the second gear T2 and the 3rd on the main line of induced-draught fan 117
Gear T3, so as to form four gear inputs；The Section Point that the main line of induced-draught fan 117 connects with the by-pass of induced-draught fan 117
The increasing shelves module that N2 one end is connected external, increases shelves module and draws fifth speed position T5 and sixth speed position T6, form two gears altogether
Input.
It is reactance B to increase shelves module.Reactance B one end is connected in parallel Section Point N2, and the other end draws sixth speed position T2；5th
Gear T5 is drawn on reactance B；
Increase shelves module to be connected on the slow shelves of the main line of induced-draught fan 117, to reach the increase speed governing gear of induced-draught fan 117.
First gear T1, the second gear T2, third gear T3, fourth speed position T4, fifth speed position T5 and sixth speed position T6 are
The gear input that the rotating speed of induced-draught fan 117 successively decreases step by step.The electricity of the input slow shelves of induced-draught fan 117 is reduced by reactance B voltage reduction methods
Press and reduce the rotating speed of electric fan to reach that electric fan exports the purpose of small air quantity.
It is resistance winding to increase shelves module.Resistance winding one end is connected in parallel the main line of induced-draught fan 117 and the by-pass of induced-draught fan 117,
The other end draws the first gear T1；Second gear T2 is drawn on resistance winding.The by-pass of induced-draught fan 117 is anti-each other with resistance winding
To effect connection, by increasing reaction on the slow shelves of the main line of induced-draught fan 117.
Reference picture 3, starts the blowing device for being located at the top of table top 114 after the air intake device of the bottom of operating cavity 112 is opened,
It is provided with above table top 114 in transverse slat 213, transverse slat 213 and blowing chamber 214 is set and will dry chamber 214 and operating cavity 112
The blowhole 215 of connection, the top of operating cavity 112 is additionally provided with the blowing connected by the second ventilation duct 216 with blowing chamber 214
Machine, the blowing wind speed of hair-dryer component is can be achieved by the control of different plug-in strips, when needed can also be by illuminating plug-in strip K4
Connection control LED unlatching.
Described above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of vent cabinet, including equipment body (111), equipment body (111) set gradually from top to bottom operating cavity (112) and
Equipment cavity (113), it is characterized in that：Table top (114) separation, operating cavity are provided between operating cavity (112) and equipment cavity (113)
(112) it is provided with room at the top of the opening being in communication with the outside, equipment body (111) and blowing device is set, operating cavity (112) side wall
Hollow chamber (115) is set, and hollow chamber (115) is provided with some air vents (116) connected with operating cavity (112), equipment
The air intake device connected with hollow chamber (115) is set in chamber (113), and air intake device includes induced-draught fan (117) and for adjusting
The alignment circuit (110) of induced-draught fan (117), alignment circuit (110) includes,
Adjustment module, including main line and by-pass on induced-draught fan (117), being drawn by main line with by-pass coupling is used to adjust
The first gear T1, the second gear T2, third gear T3 and fourth speed position T4 of induced-draught fan (117) rotating speed；
Increase gear module, the fifth speed position T5 and sixth speed position T6 for being coupled to adjustment module and drawing.
2. a kind of vent cabinet according to claim 1, it is characterized in that：The air intake device includes being located at hollow chamber
(115) set and lower exhaust outlet (118) in some lower exhaust outlets (118) connected in equipment cavity (113), equipment cavity (113)
The wind-guiding funnel (119) of connection, sets the first ventilation duct (211), induced-draught fan between wind-guiding funnel (119) and induced-draught fan (117)
(117) ajutage (212) being in communication with the outside is additionally provided with.
3. a kind of vent cabinet according to claim 1, it is characterized in that：The adjustment module include being located at main line and by-pass it
Between electric capacity C1, main line one end be provided with electric capacity C1 couple first node N1, the main line other end be provided with directly in by-pass
The Section Point N2 of coupling, fourth speed position T4 is coupled to Section Point N2, the first gear T1, the second gear T2, third gear T3
It is coupled to main line.
4. a kind of vent cabinet according to claim 3, it is characterized in that：It is described to increase the electricity that gear module is coupled with Section Point N2
Anti- B, reactance B one end is coupled with Section Point N2, and the reactance B other ends are coupled to power line.
5. a kind of vent cabinet according to claim 1, it is characterized in that：The gear module that increases is resistance winding and mutual with by-pass
Connected for acting in opposition.
6. a kind of vent cabinet according to claim 1, it is characterized in that：The blowing device includes being located at operating cavity (112)
The blowhole for setting blowing chamber (214) and blowing chamber (214) to be in communication with the outside in the transverse slat (213) at top, transverse slat (213)
(215) blowing thermomechanical components, are additionally provided with equipment body (111), blowing thermomechanical components include hair-dryer M1 and hair-dryer M2, blowing
Second ventilation duct (216) is set between thermomechanical components and blowing chamber (214), and blowing device also includes the blowing for being used to control hair-dryer
Circuit.
7. a kind of vent cabinet according to claim 6, it is characterized in that：The blowing circuit includes,
Power module, for providing electric energy for late-class circuit；
Control module (210), is coupled to power module, for blowing thermomechanical components rotating speed to be adjusted and output control signal；
Performing module (310), is coupled to control module (210), receives and responds to control signal control blowing thermomechanical components and rotates；
Lighting module, positioned at control module (210) and performing module (310), for being illuminated operation to operating cavity (112).
8. a kind of vent cabinet according to claim 7, it is characterized in that：The control module (210) include it is double open plug-in strip K1,
First blowing plug-in strip K2, the second blowing plug-in strip K3 and the illumination plug-in strip K4 for being coupled to lighting module, double plug-in strip K1 that open are respectively coupled to
In hair-dryer M1 and hair-dryer M2, the first blowing plug-in strip K2 is coupled to hair-dryer M1, the second blowing plug-in strip K3 and is coupled to hair-dryer
M2。
9. a kind of vent cabinet according to claim 8, it is characterized in that：The performing module (310) includes and hair-dryer M1
The electric capacity C2 of coupling, hair-dryer M2 are coupled with electric capacity C3.
10. a kind of vent cabinet according to claim 8, it is characterized in that：The lighting module includes LED, LED one end
Illumination plug-in strip K4 is coupled to, the LED other end is coupled to power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013322.9U CN206519421U (en) | 2017-01-05 | 2017-01-05 | A kind of vent cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720013322.9U CN206519421U (en) | 2017-01-05 | 2017-01-05 | A kind of vent cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206519421U true CN206519421U (en) | 2017-09-26 |
Family
ID=59890903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720013322.9U Expired - Fee Related CN206519421U (en) | 2017-01-05 | 2017-01-05 | A kind of vent cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206519421U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999481A (en) * | 2017-12-31 | 2018-05-08 | 江苏科泰检测技术服务有限公司 | Metal detection room vent cabinet cleaning device |
-
2017
- 2017-01-05 CN CN201720013322.9U patent/CN206519421U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107999481A (en) * | 2017-12-31 | 2018-05-08 | 江苏科泰检测技术服务有限公司 | Metal detection room vent cabinet cleaning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20200105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |