CN204790514U - Intelligent coordinated control system of venturi fume chamber - Google Patents
Intelligent coordinated control system of venturi fume chamber Download PDFInfo
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- CN204790514U CN204790514U CN201520367351.6U CN201520367351U CN204790514U CN 204790514 U CN204790514 U CN 204790514U CN 201520367351 U CN201520367351 U CN 201520367351U CN 204790514 U CN204790514 U CN 204790514U
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- venturi
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- control system
- vent cabinet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides an intelligent coordinated control system of venturi fume chamber, the venturi fume chamber have the ventilation mouth of pipe that is linked together with outside air supply passage and the regulation window that can open and shut, control system's characterized in that: including venturi variable blast volume valve, executor, the high sensor of door are adjusted to automatic window, and there is the sensor in the region, differential pressure sensor and fume chamber controller, the aperture that the wind speed parameter that the venturi drive plate was set for according to the fume chamber controller and the sensing data of each sensor come the application valve body to maintain the cross -section wind speed. The utility model discloses the multinomial experiment parameter of aim at real -time supervision can utilize each sensing parameter to carry out coordinated control to venturi variable blast volume valve moreover, improves the control accuracy of system effectively, guarantees the exactness of the invariable of experimental environment parameter and experimental data, consider someone or unmanned operation circumstance simultaneously, realize automatically that intelligent regulation is in order to reduce the energy consumption.
Description
Technical field
The utility model relates to a kind of intelligent linkage control system of Venturi ventilation cabinet.
Background technology
Venturi ventilation cabinet is laboratory special test equipment, for experiment provides multiple test pattern and wind environment.Existing vent cabinet adopts common frequency conversion system mostly, its optimum configurations be generally manually finely tune and system wind pressure is independent, the exhaust air rate change that each startup produces all can influence each other in system, thus cause control accuracy lower, need carry out regulating and periodic maintenance according to different experiments environmental requirement, therefore very inconvenience.In addition, the vent cabinet face wind speed of common ventilation cabinet system is change, and the change of wind speed can have influence on the result of experiment.
Utility model content
For the problem be mentioned in background technology, the utility model proposes a kind of intelligent linkage control system of Venturi ventilation cabinet, its object is to the automatic control realizing independent blast Yu determine air quantity, consider have people or unattended situation simultaneously, automatically realize Intelligent adjustment to reduce energy consumption.
For overcoming the above problems, the utility model has adopted following technical scheme:
An intelligent linkage control system for Venturi ventilation cabinet, described Venturi ventilation cabinet has the ventilation mouth of pipe that is connected with outside air-supply passage and can the adjustment window of folding, and described control system comprises
Venturi variable air rate valve, install between the described ventilation mouth of pipe and air-supply passage, it forms primarily of valve body, push rod actuator and venturi drive plate;
There is sensor in region, for detecting in vent cabinet forefoot area whether there are operating personnel, its detection data is sent to described venturi drive plate;
Automatic form adjusting actuator, for automatically regulating the position of described adjustment window, it is controlled by described venturi drive plate, there is sensor detect the position height that data set adjustment window according to region;
The high sensor of door, regulates the true altitude of window, and feeds back to described venturi drive plate for detecting vent cabinet, described venturi drive plate calculates actual window area, thus adjustment venturi valve aperture, realize constant air speed value;
Differential pressure pickup, its probe is arranged at air inlet and the air outlet of venturi variable air rate valve respectively, for the pressure difference of air inlet and air outlet is fed back to venturi drive plate; And
Fume hood controller, connect venturi drive plate, it has display screen and some function buttons, and described display screen provides operation interface and shows the parameters information of vent cabinet, and described function button is at least for realizing the switch control rule of vent cabinet, the input of wind speed parameter and adjustment;
The sensing data of the wind speed parameter that described venturi drive plate sets according to fume hood controller and each sensor carrys out the aperture of application valve body, to maintain cross section wind speed.
Such scheme provides the accurate quantification control program of opposite wind speed, and by the coordinated signals of multisensor to venturi drive plate, the face wind speed of making maintains setting value and do not change with static pressure change in pipe, thus guarantees the accurate of experimental data.
In the middle of one or more embodiment of the present utility model, be provided with infrared eye immediately below the window of described adjustment window, for detecting below window whether have barrier obstruction, it is connected to venturi drive plate.When there is barrier under window being detected, controlling automatic form adjusting actuator by drive plate in literary composition and stopping window action, avoid crushing operating personnel or the window that causes because of barrier damages.
In the middle of one or more embodiment of the present utility model, described fume hood controller comprises touch screen, in order to parameters information and some function buttons virtual by software UI of operation display interface, vent cabinet, touch described virtual function button to produce corresponding operation signal.
In the middle of one or more embodiment of the present utility model, described function button comprises power button, mode selection button, socket power control button, light switch button, arrange button and increment decrement button;
Described power button is used for start and stop vent cabinet;
Described mode selection button is for switching the wind speed pattern of vent cabinet, and system default stores the environmental parameter of model experiment, realizes switching fast, improve conventional efficient under different experiments environment by function button or sensing device;
Described socket power controls button for enabling or socket on inactive vent cabinet;
Described light switch button is for opening and closing the light fixture in vent cabinet;
The described button that arranges is for activating the pattern that arranges and carrying out confirmation preservation to arranging result;
Described increment decrement button for the selection of the size or other default item that arrange numerical variable in pattern.
In the middle of one or more embodiment of the present utility model, described venturi drive plate is provided with infrared or wireless module, coordinates the Long-distance Control of a terminal control unit realization to vent cabinet.
In the middle of one or more embodiment of the present utility model, be also provided with EmS, its effect is broken down when vent cabinet, presses EmS, make venturi valve be adjusted to maximum opening, emergency exhaust, the safety of protection operating personnel for operating personnel.
In the middle of one or more embodiment of the present utility model, be also provided with foot-switch, its effect is identical with above-mentioned EmS, but consider that operating personnel may just in test, EmS cannot be pressed with hand immediately, therefore specially foot-switch is set, handled easily personnel with pin touch by.
Advantage of the present utility model and beneficial effect are:
1, multiple sensor is applied, can not only the multinomial experiment parameter of Real-Time Monitoring, and each parameter sensing can be utilized to carry out coordinated signals to venturi variable air rate valve, effectively improve the control accuracy of system, ensure the correctness of the constant and experimental data of experimental situation parameter.
2, the accurate quantification control program of opposite wind speed is provided, makes it maintain setting value and not change because managing the change of interior static pressure, do not need straight pipeline simultaneously, level, vertical or oblique installation can be carried out according to actual conditions.
3, system default stores the environmental parameter of model experiment, realizes switching fast, improve conventional efficient under different experiments environment by function button or sensing device.
4, operating personnel understand parameter and the machine operation of experiment in real time by the display of fume hood controller, can ensure accuracy and the Timeliness coverage equipment operation problem of experimental result, improve the security of system.
5, there are sensor probe wind cabinet front region whether operating personnel by region, automatic form adjusting actuator is coordinated automatically to regulate door and window height again, thus adjustment self regulating valve door aperture, constant wind speed (m/s) set by maintenance, make vent cabinet face wind speed control system, when ensureing operator safety, reducing the invalid eliminating of the energy, guaranteeing fast intelligence, reach energy-conservation effect fast and efficiently.
6, by infrared eye, whether position immediately below detection vent cabinet door and window, have barrier obstruction, be transferred to venturi drive plate in the barrier data detected, the adjustment of emergent stopping form height, prevent from injuring operating personnel or object by a crashing object.
Accompanying drawing explanation
Fig. 1 is the structural representation of Venturi ventilation cabinet of the present utility model.
Fig. 2 is the perspective structure schematic diagram of venturi variable air rate valve of the present utility model.
Fig. 3 is the principle framework schematic diagram of intelligent linkage control system of the present utility model.
Embodiment
Following 1-3 by reference to the accompanying drawings, is further described the technical solution of the utility model:
An intelligent linkage control system for Venturi ventilation cabinet, described Venturi ventilation cabinet 1 has the ventilation mouth of pipe that is connected with outside air-supply passage and can the adjustment window 10 of folding, and described control system comprises
Venturi variable air rate valve 2, installs between the described ventilation mouth of pipe and air-supply passage, and it forms with venturi drive plate 23 primarily of valve body 21, push rod actuator 22;
The high sensor 3 of door, regulate the true altitude of window 10 for detecting vent cabinet, and feed back to described venturi drive plate 23, described venturi drive plate 23 calculates actual window area, thus adjustment venturi valve aperture, realize constant air speed value;
There is sensor 4 in region, for detecting in vent cabinet 1 forefoot area whether there are operating personnel, its detection data is sent to described venturi drive plate 23;
Differential pressure pickup 5, its air quantity probe A is arranged at the air inlet of venturi variable air rate valve 2, and its air quantity probe B is arranged at the air outlet of venturi variable air rate valve 2, for the pressure difference of air inlet and air outlet is fed back to venturi drive plate 23; And
Fume hood controller 6, connect venturi drive plate 23, it has display screen 61 and some function buttons 62, described display screen 61 provides operation interface and shows the parameters information of vent cabinet, and described function button 62 is at least for realizing the switch control rule of vent cabinet, the input of wind speed parameter and adjustment;
Automatic form adjusting actuator 7, for automatically regulating the position of described adjustment window 10, it is controlled by described venturi drive plate 23, there is sensor 4 detect data to set the position height regulating window 10 according to region;
The sensing data of the wind speed parameter that described venturi drive plate 23 sets according to fume hood controller 6 and each sensor carrys out the aperture of application valve body, to maintain cross section wind speed.
Such scheme provides the accurate quantification control program of opposite wind speed, and by the coordinated signals of multisensor to venturi drive plate, the face wind speed of making maintains setting value and do not change with static pressure change in pipe, thus guarantees the accurate of experimental data.Meanwhile, operating personnel understand parameter and the machine operation of experiment in real time by the display of fume hood controller, can ensure accuracy and the Timeliness coverage equipment operation problem of experimental result, improve the security of system.
Be provided with infrared eye 8 immediately below the window of described adjustment window 5, for detecting below window whether have barrier obstruction, it is connected to venturi drive plate 23.When there is barrier under window being detected, controlling automatic form adjusting actuator 7 by drive plate in literary composition 23 and stopping window action, avoid crushing operating personnel or the window that causes because of barrier damages.
Described fume hood controller 6 comprises touch screen, in order to parameters information and some function buttons virtual by software UI of operation display interface, vent cabinet, touches described virtual function button to produce corresponding operation signal.
Described function button 62 comprises power button, mode selection button, socket power control button, light switch button, arrange button and increment decrement button;
Described power button is used for start and stop vent cabinet;
Described mode selection button is for switching the wind speed pattern of vent cabinet, and system default stores the environmental parameter of model experiment, realizes switching fast, improve conventional efficient under different experiments environment by function button or sensing device;
Described socket power controls button for enabling or socket on inactive vent cabinet;
Described light switch button is for opening and closing the light fixture in vent cabinet;
The described button that arranges is for activating the pattern that arranges and carrying out confirmation preservation to arranging result;
Described increment decrement button for the selection of the size or other default item that arrange numerical variable in pattern.
Described venturi drive plate 23 is provided with infrared or wireless module 230, coordinates the Long-distance Control of a terminal control unit realization to vent cabinet.
As preferred implementation of the present utility model, the default environmental parameter storing model experiment in fume hood controller 6, realizes switching fast by function button or sensing device, improves conventional efficient under different experiments environment.
The utility model is also provided with EmS 9, and its effect is broken down when vent cabinet, presses EmS 9, make venturi valve be adjusted to maximum opening, emergency exhaust, the safety of protection operating personnel for operating personnel.
The utility model is also provided with foot-switch 11, and its effect is identical with above-mentioned EmS 9, but considers that operating personnel just in test, may cannot press EmS 9 with hand, therefore specially arrange foot-switch 11 immediately, handled easily personnel with pin touch by.
Above-mentioned preferred embodiment is interpreted as illustrating the utility model embodiment, and embodiment of the present utility model is not limited to this.Every identical with the utility model structure, close or done based on this technology is replaced, is improved, and all belongs to protection domain of the present utility model.
Claims (7)
1. an intelligent linkage control system for Venturi ventilation cabinet, described Venturi ventilation cabinet has the ventilation mouth of pipe that is connected with outside air-supply passage and can the adjustment window of folding, and the feature of described control system is: comprise
Venturi variable air rate valve, install between the described ventilation mouth of pipe and air-supply passage, it forms primarily of valve body, push rod actuator and venturi drive plate;
There is sensor in region, for detecting in vent cabinet forefoot area whether there are operating personnel, its detection data is sent to described venturi drive plate;
Automatic form adjusting actuator, for automatically regulating the position of described adjustment window, it is controlled by described venturi drive plate, there is sensor detect the position height that data set adjustment window according to region;
The high sensor of door, regulates the true altitude of window, and feeds back to described venturi drive plate for detecting vent cabinet, described venturi drive plate calculates actual window area, thus adjustment venturi valve aperture, realize constant air speed value;
Differential pressure pickup, its probe is arranged at air inlet and the air outlet of venturi variable air rate valve respectively, for the pressure difference of air inlet and air outlet is fed back to venturi drive plate; And
Fume hood controller, connect venturi drive plate, it has display screen and some function buttons, and described display screen provides operation interface and shows the parameters information of vent cabinet, and described function button is at least for realizing the switch control rule of vent cabinet, the input of wind speed parameter and adjustment;
The sensing data of the wind speed parameter that described venturi drive plate sets according to fume hood controller and each sensor carrys out the aperture of application valve body, to maintain cross section wind speed.
2. the intelligent linkage control system of a kind of Venturi ventilation cabinet according to claim 1, it is characterized in that: immediately below the window of described adjustment window, be provided with infrared eye, for detecting below window whether have barrier obstruction, it is connected to venturi drive plate.
3. the intelligent linkage control system of a kind of Venturi ventilation cabinet according to claim 2, it is characterized in that: described fume hood controller comprises touch screen, in order to parameters information and some function buttons virtual by software UI of operation display interface, vent cabinet, touch described virtual function button to produce corresponding operation signal.
4. the intelligent linkage control system of a kind of Venturi ventilation cabinet according to claim 1 or 2 or 3, is characterized in that: described function button comprises power button, mode selection button, socket power control button, light switch button, arrange button and increment decrement button;
Described power button is used for start and stop vent cabinet;
Described mode selection button is for switching the wind speed pattern of vent cabinet;
Described socket power controls button for enabling or socket on inactive vent cabinet;
Described light switch button is for opening and closing the light fixture in vent cabinet;
The described button that arranges is for activating the pattern that arranges and carrying out confirmation preservation to arranging result;
Described increment decrement button for the selection of the size or other default item that arrange numerical variable in pattern.
5. the intelligent linkage control system of a kind of Venturi ventilation cabinet according to claim 1 and 2, is characterized in that: described venturi drive plate is provided with infrared or wireless module, coordinates the Long-distance Control of a terminal control unit realization to vent cabinet.
6. the intelligent linkage control system of a kind of Venturi ventilation cabinet according to claim 1 and 2, it is characterized in that: be also provided with EmS, it is connected to described venturi drive plate, and its effect is broken down when vent cabinet, make venturi valve be adjusted to maximum opening, realize emergency exhaust.
7. the intelligent linkage control system of a kind of Venturi ventilation cabinet according to claim 1 and 2, it is characterized in that: be also provided with foot-switch, it is connected to described venturi drive plate, and its effect is broken down when vent cabinet, make venturi valve be adjusted to maximum opening, realize emergency exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520367351.6U CN204790514U (en) | 2015-08-13 | 2015-08-13 | Intelligent coordinated control system of venturi fume chamber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520367351.6U CN204790514U (en) | 2015-08-13 | 2015-08-13 | Intelligent coordinated control system of venturi fume chamber |
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| CN204790514U true CN204790514U (en) | 2015-11-18 |
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| CN201520367351.6U Active CN204790514U (en) | 2015-08-13 | 2015-08-13 | Intelligent coordinated control system of venturi fume chamber |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665405A (en) * | 2016-01-25 | 2016-06-15 | 广东工业大学 | Ventilation cabinet for experiments |
| CN107367767A (en) * | 2017-06-27 | 2017-11-21 | 上海卓思智能科技股份有限公司 | A kind of vent cabinet window foreign matter detecting method and system and a kind of controller |
| CN107806697A (en) * | 2017-12-12 | 2018-03-16 | 湖南普信工程技术有限公司 | A kind of cabinet door stroke Wind-speed controller |
| CN111272133A (en) * | 2020-01-20 | 2020-06-12 | 深圳市米勒沙容达汽车科技有限公司 | Four-wheel positioning control method and system, mobile terminal and computer equipment |
| CN114308969A (en) * | 2021-12-14 | 2022-04-12 | 雷柏特（南通）实验室系统工程有限公司 | Intelligent fume hood and control method thereof |
| CN114992831A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for an exhaust system and method for adjusting the speed of the nozzle |
| CN114992830A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle air speed adjusting method |
| CN114992833A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992832A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992829A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and using method thereof |
-
2015
- 2015-08-13 CN CN201520367351.6U patent/CN204790514U/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665405A (en) * | 2016-01-25 | 2016-06-15 | 广东工业大学 | Ventilation cabinet for experiments |
| CN107367767A (en) * | 2017-06-27 | 2017-11-21 | 上海卓思智能科技股份有限公司 | A kind of vent cabinet window foreign matter detecting method and system and a kind of controller |
| CN107806697A (en) * | 2017-12-12 | 2018-03-16 | 湖南普信工程技术有限公司 | A kind of cabinet door stroke Wind-speed controller |
| CN111272133A (en) * | 2020-01-20 | 2020-06-12 | 深圳市米勒沙容达汽车科技有限公司 | Four-wheel positioning control method and system, mobile terminal and computer equipment |
| CN111272133B (en) * | 2020-01-20 | 2021-08-17 | 深圳市米勒沙容达汽车科技有限公司 | Four-wheel positioning control method and system, mobile terminal and computer equipment |
| CN114992833A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992831A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for an exhaust system and method for adjusting the speed of the nozzle |
| CN114992830A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle air speed adjusting method |
| CN114992832A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992829A (en) * | 2021-03-02 | 2022-09-02 | 中国石油化工股份有限公司 | Nozzle for exhaust system and using method thereof |
| CN114992832B (en) * | 2021-03-02 | 2024-02-09 | 中国石油化工股份有限公司 | Spout for exhaust system and spout wind speed adjusting method |
| CN114992831B (en) * | 2021-03-02 | 2024-02-09 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992830B (en) * | 2021-03-02 | 2024-02-09 | 中国石油化工股份有限公司 | Nozzle for exhaust system and nozzle wind speed adjusting method |
| CN114992829B (en) * | 2021-03-02 | 2024-02-09 | 中国石油化工股份有限公司 | Spout for exhaust system and use method thereof |
| CN114308969A (en) * | 2021-12-14 | 2022-04-12 | 雷柏特（南通）实验室系统工程有限公司 | Intelligent fume hood and control method thereof |
| CN114308969B (en) * | 2021-12-14 | 2024-04-19 | 雷柏特（南通）实验室系统工程有限公司 | Intelligent fume hood and control method thereof |
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