CN207704250U - A kind of more forms laboratory hood VAV control systems - Google Patents
A kind of more forms laboratory hood VAV control systems Download PDFInfo
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- CN207704250U CN207704250U CN201721847629.5U CN201721847629U CN207704250U CN 207704250 U CN207704250 U CN 207704250U CN 201721847629 U CN201721847629 U CN 201721847629U CN 207704250 U CN207704250 U CN 207704250U
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- window
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- laboratory hood
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Abstract
The utility model discloses a kind of more forms laboratory hood VAV control systems, including air draft cabinet controller, variable air rate valve, face air velocity transducer, displacement signal acquisition device, multiple window displacement sensors, alarm, form control module, environment monitoring sensor, Windows and door CAD module；Air draft cabinet controller can utilize form control module to control window displacement, control exhaust air rate to make face wind speed maintain suitable size using variable air rate valve, laboratory hood is made to maintain preferable exhaust effect；The anti-pinch inductor of form control module can prevent form from crushing human hand；Environment monitoring sensor can monitor Laboratory air environment, protect worker safety；The utility model can accurately adjust laboratory hood face wind speed, and exhaust effect is good, and safety and environmental protection is simple in structure, is easily installed, high degree of automation, and intelligence degree is high, easy-to-use.
Description
Technical field
The utility model is related to industrial ventilation technical fields, more particularly, to a kind of more forms laboratory hood VAV control systems.
Background technology
VAV laboratory hoods are widely present in the biochemistry of various research inspection bodies as a kind of important exhaust ventilation terminal
In laboratory.Traditional laboratory hood is mainly made of cabinet and VAV control systems.Development with cabinet body structure and laboratory
The needs of intelligent management, traditional laboratory hood Control system architecture is complicated, and installation difficulty is big, not enough intelligently, not safe enough, nothing
Method further meets the needs of market.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of more forms laboratory hood VAV control systems,
Solve above-mentioned technical problem in the prior art.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of more forms laboratory hood VAV controls system
System, including：Air draft cabinet controller, variable air rate valve, face air velocity transducer, displacement signal acquisition device, multiple window displacement sensors,
Alarm, form control module, environment monitoring sensor, Windows and door CAD module；The form control module includes form control
Device, form driving mechanism, anti-pinch inductor；The Windows and door CAD module includes door/window controller, approach switch sensor, timing
Device；The air draft cabinet controller and the variable air rate valve, the face air velocity transducer, the displacement signal acquisition device, the report
Alert device, the form controller, the environment monitoring sensor, the door/window controller are electrically connected, and institute's displacement signal is adopted
Storage and multiple window displacement sensors are electrically connected, the form controller and the form driving mechanism, the anti-pinch sense
Device is answered to be electrically connected, the door/window controller and approach switch sensor, timer are electrically connected；The variable air rate valve is according to row
The instruction of wind cabinet controller adjusts the ventilation quantity of laboratory hood, and the face air velocity transducer is set in laboratory hood cabinet and measures air draft
Face wind speed in cabinet cabinet, the displacement of the window displacement sensor measurement air-exhausting cabinet view-window, the displacement signal acquisition device are adopted
Collect the signal of each window displacement sensor；The form driving mechanism driving air-exhausting cabinet view-window movement, the anti-pinch inductor sense
Answer the barrier encountered in air-exhausting cabinet view-window closing process；The sky in laboratory where the environment monitoring sensor monitoring laboratory hood
Gas nuisance；The open state of laboratory door, window, the timer where the approach switch sensor detection laboratory hood
According to the instruction timing of door/window controller.
Compared with prior art, the beneficial effects of the utility model include：Air draft cabinet controller can control window displacement, become
Air quantity valve opening makes laboratory hood maintain preferable exhaust effect to make face wind speed maintain suitable size；Anti-pinch inductor can
Prevent form from crushing human hand；Environment monitoring sensor can monitor Laboratory air environment；Windows and door CAD module prevents door and window long-term
Unlatching causes harmful gas in laboratory to be revealed；The utility model can accurately adjust laboratory hood face wind speed, and exhaust effect is good, safety collar
It protects, it is simple in structure, it is easily installed, high degree of automation, intelligence degree is high, easy-to-use.
Description of the drawings
Fig. 1 is a kind of more forms laboratory hood VAV control system control figures provided by the utility model.
In attached drawing：1, air draft cabinet controller, 2, variable air rate valve, 3, face air velocity transducer, 4, displacement signal acquisition device, 5, regard
Window displacement sensor, 6, alarm, 7, form control module, 8, environment monitoring sensor, 9, Windows and door CAD module, 71, form
Controller, 72, form driving mechanism, 73, anti-pinch inductor, 91, door/window controller, 92, approach switch sensor, 93, timing
Device.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model provides a kind of more forms laboratory hood VAV control systems, including：
Air draft cabinet controller 1, variable air rate valve 2, face air velocity transducer 3, displacement signal acquisition device 4, multiple window displacements pass
Sensor 5, alarm 6, form control module 7, environment monitoring sensor 8, Windows and door CAD module 9；
Form control module 7 includes form controller 71, form driving mechanism 72, anti-pinch inductor 73；Windows and door CAD mould
Block 9 includes door/window controller 91, approach switch sensor 92, timer 93；
Air draft cabinet controller 1 and variable air rate valve 2, face air velocity transducer 3, displacement signal acquisition device 4, alarm 6, form control
Device 71 processed, environment monitoring sensor 8, door/window controller 91 are electrically connected, displacement signal acquisition device 4 and multiple window displacements sensing
Device 5 is electrically connected, and form controller 71 and form driving mechanism 72, anti-pinch inductor 73 are electrically connected, 91 He of door/window controller
Approach switch sensor 92, timer 93 are electrically connected；
Variable air rate valve 2 instructs the ventilation quantity for adjusting laboratory hood, face air velocity transducer 3 to be set to according to air draft cabinet controller 1
In laboratory hood cabinet and the face wind speed in laboratory hood cabinet is measured, window displacement sensor 5 measures the displacement of air-exhausting cabinet view-window, position
Shifting signal collector 4 acquires the signal of each window displacement sensor 5；Form driving mechanism 72 drives air-exhausting cabinet view-window movement, prevents
Folder inductor 73 incudes the barrier encountered in air-exhausting cabinet view-window closing process；Environment monitoring sensor 8 monitors where laboratory hood
The air nuisance in laboratory；The open state of laboratory door, window where approach switch sensor 92 detects laboratory hood, meter
When device 93 according to the instruction timing of door/window controller 91.
In above-mentioned technical proposal, window displacement sensor 5 is ultrasonic displacement sensor.
In above-mentioned technical proposal, alarm 6 is audible-visual annunciator.
In above-mentioned technical proposal, environment monitoring sensor 8 includes gas identification sensors, gas concentration sensor.
In above-mentioned technical proposal, more forms laboratory hood VAV control systems further include communication unit, communication unit and laboratory hood
Controller 1 is electrically connected.
In above-mentioned technical proposal, more forms laboratory hood VAV control systems further include display screen, display screen and laboratory hood control
Device 1 is electrically connected.
In above-mentioned technical proposal, more forms laboratory hood VAV control systems further include memory, memory and laboratory hood control
Device 1 is electrically connected.
In above-mentioned technical proposal, more forms laboratory hood VAV control systems can also include emergency exhaust button, burglar alarm
Device, authentication module, emergency exhaust button, burglar alarm, authentication module and air draft cabinet controller are electrically connected；It presses
Emergency exhaust button, emergency exhaust button is pressed to send electric signal to air draft cabinet controller, air draft cabinet controller controls variable air rate valve
Air draft is carried out with maximum quantity of wind with frequency conversion fan；Authentication module to verify use laboratory hood user identity, if
User is authorized user, and user is allowed to use the specific function of laboratory hood；Burglar alarm steals air draft to the person of avoiding theft
Cabinet internal components.
In use, each window displacement passes a kind of more forms laboratory hood VAV control systems provided by the utility model
Sensor measures the displacement of each form of laboratory hood, and displacement signal acquisition device acquires the signal of each window displacement sensor, laboratory hood
Controller can calculate total form open or close range according to each window displacement, and face air velocity transducer is set in laboratory hood cabinet and measures
Face wind speed in laboratory hood cabinet, variable air rate valve instructs the exhaust air rate for adjusting laboratory hood according to air draft cabinet controller, due to air draft
Total exhaust air rate demand of cabinet=total form open or close range × face wind speed, air draft cabinet controller can control window displacement, variable air rate valve
Aperture makes laboratory hood maintain preferable exhaust effect to make face wind speed maintain suitable size；Form controller is controllable to be regarded
Window driving mechanism drives form movement, and when form moves, if clipping to human hand, anti-pinch inductor is sent to form controller to be believed
Number, form controller controls form driving mechanism driving form reverse movement, and staff is protected not to be pinched；Environmental monitoring passes
After the air nuisance in laboratory is exceeded where sensor monitors laboratory hood, signal, laboratory hood control are sent to air draft cabinet controller
Device controls alarm equipment alarm, and staff can press emergency exhaust button and carry out emergency exhaust, and work people in Protection room
Member's safety；Laboratory door or window where approach switch sensor detects laboratory hood are in open state, door and window control
Device control timer starts timing, preset time is reached when timer, laboratory door or window are constantly in opening state
When state, door/window controller sends signal to air draft cabinet controller, and air draft cabinet controller controls alarm equipment alarm and prompts staff
Shutdown window, prevents poisonous gas leakage from causing the accident to outside；Form control module, Windows and door CAD module can be controlled to laboratory hood
Device transmission data and the instruction for receiving air draft cabinet controller.
Compared with prior art, the beneficial effects of the utility model include：Air draft cabinet controller can control window displacement, become
Air quantity valve opening makes laboratory hood maintain preferable exhaust effect to make face wind speed maintain suitable size；Anti-pinch inductor can
Prevent form from crushing human hand；Environment monitoring sensor can monitor Laboratory air environment, protect worker safety；Windows and door CAD
Module, which prevents door and window from opening for a long time, causes harmful gas in laboratory to be revealed；The utility model can accurately adjust laboratory hood face wind speed,
Exhaust effect is good, and safety and environmental protection is simple in structure, is easily installed, high degree of automation, and intelligence degree is high, easy-to-use.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
The various other corresponding changes and deformation that any technical concept according to the present utility model is made, should be included in this practicality
In novel scope of the claims.
Claims (6)
1. a kind of more forms laboratory hood VAV control systems, which is characterized in that including：Air draft cabinet controller, variable air rate valve, face wind
Fast sensor, displacement signal acquisition device, multiple window displacement sensors, alarm, form control module, environmental monitoring sensing
Device, Windows and door CAD module；The form control module includes form controller, form driving mechanism, anti-pinch inductor；The door
Window monitoring module includes door/window controller, approach switch sensor, timer；The air draft cabinet controller and the variable air rate
Valve, the face air velocity transducer, the displacement signal acquisition device, the alarm, the form controller, the environmental monitoring
Sensor, the door/window controller are electrically connected, and the displacement signal acquisition device and multiple window displacement sensors are electrically connected,
The form controller and the form driving mechanism, the anti-pinch inductor are electrically connected, the door/window controller and close
Switch sensor, timer are electrically connected；The variable air rate valve instructs the ventilation quantity for adjusting laboratory hood according to air draft cabinet controller,
The face air velocity transducer is set in laboratory hood cabinet and measures the face wind speed in laboratory hood cabinet, the window displacement sensing
Device measures the displacement of air-exhausting cabinet view-window, and the displacement signal acquisition device acquires the signal of each window displacement sensor；The form
Driving mechanism drives air-exhausting cabinet view-window movement, the obstacle encountered in the anti-pinch inductor induction air-exhausting cabinet view-window closing process
Object；The air nuisance in laboratory where the environment monitoring sensor monitoring laboratory hood；The approach switch sensor detection
The open state of laboratory door, window where laboratory hood, the timer is according to the instruction timing of door/window controller.
2. more forms laboratory hood VAV control systems as described in claim 1, which is characterized in that the window displacement sensor
For ultrasonic displacement sensor.
3. more forms laboratory hood VAV control systems as described in claim 1, which is characterized in that the alarm is acousto-optic report
Alert device.
4. more forms laboratory hood VAV control systems as described in claim 1, which is characterized in that further include communication unit, it is described
Communication unit and the air draft cabinet controller are electrically connected.
5. more forms laboratory hood VAV control systems as described in claim 1, which is characterized in that further include display screen, it is described aobvious
Display screen and the air draft cabinet controller are electrically connected.
6. more forms laboratory hood VAV control systems as described in claim 1, which is characterized in that further include memory, it is described to deposit
Reservoir and the air draft cabinet controller are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847629.5U CN207704250U (en) | 2017-12-26 | 2017-12-26 | A kind of more forms laboratory hood VAV control systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847629.5U CN207704250U (en) | 2017-12-26 | 2017-12-26 | A kind of more forms laboratory hood VAV control systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207704250U true CN207704250U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847629.5U Active CN207704250U (en) | 2017-12-26 | 2017-12-26 | A kind of more forms laboratory hood VAV control systems |
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| CN (1) | CN207704250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701985A (en) * | 2019-01-25 | 2019-05-03 | 北京戴纳实验科技有限公司 | A kind of automatic viewing device of finger laboratory hood |
-
2017
- 2017-12-26 CN CN201721847629.5U patent/CN207704250U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109701985A (en) * | 2019-01-25 | 2019-05-03 | 北京戴纳实验科技有限公司 | A kind of automatic viewing device of finger laboratory hood |
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