CN101537376A - Laboratory ventilated cabinet - Google Patents
Laboratory ventilated cabinet Download PDFInfo
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- CN101537376A CN101537376A CN200910037845A CN200910037845A CN101537376A CN 101537376 A CN101537376 A CN 101537376A CN 200910037845 A CN200910037845 A CN 200910037845A CN 200910037845 A CN200910037845 A CN 200910037845A CN 101537376 A CN101537376 A CN 101537376A
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Abstract
The invention discloses a laboratory ventilated cabinet which comprises a cabinet body, a window door, a central control unit and an infra-red detector, wherein the window door is arranged on the front face of the cabinet body, the central control unit is arranged on the cabinet body, the infra-red detector is arranged on a frame of the window door positioned on the front surface of the cabinet body, electrical signals of the infra-red detector are connected to the central control unit, electrical signals output by the central control unit control a drive mechanism of the window door, the infra-red detector detects infra-red input signals, so that the window door can automatically start when persons approach and automatically close when persons leave. The invention has high intellectualization and is convenient to operation and suitable for various laboratory ventilated cabinets.
Description
Technical field
The present invention relates to a kind of laboratory equipment, relate in particular to the improvement of laboratory hood.
Background technology
Traditional laboratory hood mainly is by the air draft blower fan toxic and harmful to be controlled in the vent cabinet to operate, and forces toxic and harmful is discharged outdoor, prevents and controls pernicious gas and cause harm to human body.And the opening and closing of the form door that its experimenter is used to operate are normally by manually control, switch that must manually opened form door when in experimentation, tending to the experimenter to occur and need open the form door, and the form door could be opened very inconvenient then; In time do not close the form door if the people leaves, the form door is just opening wide always, up to there being the people manually the form door to be closed.When not using the form door, if heading straight for, one opening the load that can strengthen the experiment room conditioning, cause energy waste.
Summary of the invention
At the prior art deficiency, the present invention is special a kind of not only form door is proposed can automatic switch, easy to operate laboratory hood, but also can and show various operational orders, control parameter by the central controller controls that is provided with.
In order to reach above-mentioned technical purpose, the present invention has taked following technical proposals:
A kind of laboratory hood comprises cabinet, is arranged on the form door in described cabinet front and is arranged on central controller on the described cabinet; The frame that is positioned at the described form door in described cabinet front is provided with pyroscan, and the described pyroscan signal of telecommunication connects described central controller, and the signal of telecommunication of described central controller output is controlled the driving mechanism of described form door.
Described form door is the door leaf that is positioned at slidably in the described frame; Whether the positive form door that is provided with of the cabinet of described vent cabinet is to need manually-operated or other to require its unlatching or close according to experimental implementation, with guarantee to test accurately and operating personnel's safety.Generally be provided with operating table surface and exhaust outlet in the described cabinet.And exhaust outlet is arranged on the top of described cabinet usually and extends outdoor by exhaust duct.The frame that described pyroscan is arranged on described form door is meant that pyroscan is installed in positive certain position of described cabinet of the periphery of described form door, generally is positioned at pyroscan the centre position of the top of described form door.Described pyroscan be a kind of with the thermoelectric element human body existence or move, and the output signal of thermoelectric element is converted to the voltage signal row of going forward side by side carry out waveform analysis and compare the electronic component of output detection signal with the waveform of human body generation.Described central controller is that a whole set of is used for the various signals of telecommunication of laboratory hood are handled, and the circuit of the control laboratory hood course of work, it is under operator's setting, can realize automatically that temperature, face wind speed, working time, mode of operation etc. to laboratory hood are detected, handle and control, and show result, alarm etc.
When after laboratory hood is connected the power supply start, being in normal condition, when personnel are close, described pyroscan receives the infrared ray input signal, and the pyroscan output signal of telecommunication is transferred to described central controller, and the described form door of described central controller controls is opened.If personnel leave, when described pyroscan was not sensed signal in the time of setting, the pyroscan output signal of telecommunication was transferred to described central controller, and the described form door of described central controller controls is closed.
The present invention can also be, is positioned on the outer surface of described cabinet manual form gate control button is set, and the power switch button of described vent cabinet can also be set certainly, and the described manual form gate control button signal of telecommunication connects described central controller.The power switch button of described vent cabinet is used to open or close described vent cabinet, and after pressing described power switch button, connecting power supply, each equipment on the described vent cabinet is just switched on and can normally be used.Described manual form gate control button is the open degree that is used for described form door of hand switch and the described form door of manual adjustments.In addition, the signal of telecommunication that the described form gate control button of the preferential execution of described central controller provides, that is: in the process of using described manual form gate control button, it is invalid that described pyroscan is considered as, and described form door can be parked in any one height under the control of its manual form gate control button.
The present invention can also be that described manual form gate control button comprises door opening key, close the door button or emergency cut-off button.Described door opening key is the button that is used for manually opened described form door, and can regulate the opening degree of described form door at any time.And the described button of closing the door is the button that is used for the described form door of manual-lock, and can regulate the degree of closing of described form door at any time.Described emergency cut-off button is in any moment of normal operating conditions and any moment under the state of emergency, presses this button, and described form door is closed at once, simultaneously described air-valve standard-sized sheet.Described door opening key, close the door button or emergency cut-off button can be three switches separately, also described door opening key, the key sets of closing the door can be become a switch, determine its switching function by the order of push switch.
The present invention can also be, the driving mechanism of described form door comprises synchronous drive mechanism, and described synchronous drive mechanism drives described form door balance and moves.Described synchronous drive mechanism is meant by a belt wheel that has equally spaced endless-belt and have a corresponding teeth groove to be formed, during operation, and the teeth groove of belt and the belt wheel transferring power that is meshing with each other.Adopt this structure can make the lifting of described form door smoothly smooth and easy, accurate positioning.
The present invention can also be that described cabinet bottom is provided with dismountable locker.Described locker is movable cabinet, can match various function cabinets such as fire prevention cabinet, soda acid cabinet or exhausting reagent cabinet as required, and each cabinet function cabinet can be made up arbitrarily.
The present invention can also be, described cabinet top is provided with the wind-collecting cover of one-body molded manufacturing, thereby the drawback that get rusty in each assembly junction can prevent that former a plurality of assembly from fitting together the time reduces the effect of windage simultaneously in addition.
The present invention can also be, on the described cabinet music player is set, and described music player is connected with the described central controller signal of telecommunication.Described music player comprises power amplifier and loudspeaker, be used under manual operation or control playing music and do voice suggestion at described central controller, after in system's continuous operation a few hours, described music player does whether voice suggestion has a rest etc. under the control of described central controller; And for example described pyroscan detects the staff and does not still leave in the time of setting, but whether voice suggestion needs to play music, begins to play music immediately, and under the situation that does not need music, the staff can close music switch.Occurring under the predefined situation, described music player sends caution the tinkle of bells and voice suggestion.
The present invention can also be, also comprises display screen, and described display screen is connected with the described central controller signal of telecommunication.Described display screen is detection signal and the control signal that is used to show described central controller.
The present invention can also be, also comprise be arranged on the described cabinet or described central controller in timer, described timer is connected with the described central controller signal of telecommunication.But by described timer setting-up time, and show the assignment procedure of time and the variation of time at described display, thereby can point out the time of doing experiment by described central controller.Also available timer setting-up time, when the time that preestablishes finished, the described form door of described central controller controls was closed or is opened, or the closing or opening of control power supply, or the closing or unlatching etc. of control air-valve.
The present invention can also be, also comprises the face wind speed detector that is arranged on described form doorjamb inboard, and described wind speed detector is connected with the described central controller signal of telecommunication.Described wind speed detector generally is a kind of differential pressure pick-up, by measuring in the described cabinet pressure reduction with surrounding environment, and measurement result transferred to described central controller by the signal of telecommunication, by the rotating speed of the described air draft blower fan of central controller controls or the opening angle of air-valve, promptly controlled exhaust air rate.Thereby the face wind speed that makes vent cabinet is constant in a scope, makes the operating environment air pressure of experiment keep stable.The detected value that described wind speed detector detects the face wind speed is presented on the described display screen by described central controller controls.
The present invention can also be, also comprises Temperature Detector, and described Temperature Detector is installed on the internal face of described cabinet and with the described central controller signal of telecommunication and is connected.Described Temperature Detector can detect the interior temperature of cabinet and by described central controller controls detected Temperature numerical is presented on the described display screen.
The present invention can also be, also comprises blower fan work state detector, and described blower fan work state detector is arranged on main power circuit or its main power source control loop of blower fan, and described blower fan work state detector is connected with the described central controller signal of telecommunication.Described blower fan work state detector is used to detect the duty of blower fan, and detected blower fan duty is presented on the described display screen by described central controller controls.The duty of blower fan is meant that blower fan just is under operating condition, is under the closed condition and rotation speed of fan.
The present invention can also be, also comprises the valve area detector, and described valve area detector is arranged on the air-valve drive unit, and described valve area detector is connected with the described central controller signal of telecommunication.Described valve area detector is the opening angle that is used to detect air-valve under the vent cabinet duty, and this opening angle is presented on the described display screen by described central controller controls.In addition, the button of air-valve opening angle can be provided for regulating, the opening angle of air-valve can be regulated by this button.
The present invention can also be, also comprises display screen, and described display screen is connected with the described central controller signal of telecommunication, common integrated being arranged on the same control panel of described display screen and described manual form gate control button and power switch button.Described display screen becomes to be arranged in each control key sets makes the whole operation beautiful interface on the control panel, it is also more directly perceived to use, but also simplified manufacturing technique of while.
The present invention can also be, also comprises on the outer surface that is arranged on described cabinet or the timer of described control panel control button, and described timer control button directly is connected with the described central controller or the described timer signal of telecommunication.Control the timing time that button is provided with timer by described timer, open or close described timer.
The present invention can also be that described central controller is arranged in the box of described control panel back.
The present invention can also be, the upper limit position of described form door, centre position or lower position also are provided with the automatic sense switch of stroke, and the automatic sense switch of described stroke is connected with the described central controller signal of telecommunication.The automatic sense switch of described stroke is the electric switch in order to the movement position that detects the form door.Described lower position is meant the location status that described form door is closed fully.Described centre position is the acquiescence enable possition under the predefined laboratory hood normal operating conditions.Described upper limit position is meant the maximum opening position of form door.In these three positions the automatic sense switch of described stroke is set, makes the switch of described form door realize full-automatic.
The present invention can also be that the automatic sense switch of described stroke is fixed on the inboard of the frame of described form door.
Compared with prior art, the invention has the beneficial effects as follows:
1, owing to survey the infrared ray input signal by described pyroscan, thus realize described form door personnel near the time open automatically, when personnel leave, close automatically.Avoided in the prior art, the form door of laboratory hood must be by the drawback of manual ability switch.
2, because manual form gate control button is set, can realize that manual mode and automatic mode are parallel, make the use operation of vent cabinet more humane.
3,, make described form door can manually openedly arrive height arbitrarily because described manual form gate control button comprises door opening key or the button of closing the door; And the setting of emergency cut-off button can be closed the form door by it at once when state of emergency situation occurring, thereby the security of laboratory hood is further improved.
4, because the driving mechanism of described form door comprises synchronous drive mechanism, described synchronous drive mechanism drives described form door balance simultaneously and moves, thereby makes the lifting of stating the form door smoothly smooth and easy, accurate positioning.
5, because described cabinet bottom is provided with dismountable locker, thereby can match various function cabinets as required, and each cabinet function cabinet can be made up arbitrarily, make with the range of application of money laboratory hood extensivelyr, design more humane.
6, because described cabinet top is provided with the wind-collecting cover of one-body molded manufacturing, thereby the drawback that get rusty in each assembly junction can prevent that former a plurality of assembly from fitting together the time reduces the effect of windage simultaneously in addition.
7, owing to music player is set is used to play music and does voice suggestion on the described cabinet, but make the operation of this laboratory hood more directly perceived simultaneously also enjoy music to alleviate operating pressure.
8, because detection signal and the control signal that display screen is used to show described central controller is set, the various operating modes of laboratory hood and auxiliary equipment working order intuitively are presented on the display screen, have improved the intellectuality of laboratory hood.
9, because timer is set, but by described timer setting-up time, and by the assignment procedure of described display demonstration time and the variation of time, thereby the time of doing experiment can be pointed out; Still available timer setting-up time, when the time that preestablishes finished, the described form door of described central controller controls was closed or is opened, or the closing or opening of control power supply, or the closing or unlatching etc. of control air-valve, made laboratory hood have more intellectuality.
10, because timer control button is set, control the timing time that button can be provided with timer intuitively, open or close described timer by described timer.
11, owing to face wind speed detector is set the face wind speed of vent cabinet is monitored in real time, regulated exhaust air rate according to detected value, thereby make the face wind speed of vent cabinet constant in a scope, make the operating environment air pressure of experiment keep stable.
12,, make the staff understand operating ambient temperature in the vent cabinet at any time owing to Temperature Detector is set detects the temperature in the cabinet and detected Temperature numerical is presented on the described display screen.
13, because the duty that blower fan work state detector is used to detect blower fan is set, and detected blower fan duty is presented on the described display screen, can realizes real-time monitoring described blower fan.
14, because the opening angle that the valve area detector is used to detect air-valve under the vent cabinet duty is set, and this opening angle is presented on the described display screen, can realizes real-time monitoring described air-valve.
15, because with display screen and described manual form gate control button and common integrated being arranged on the same control panel of power switch button, make vent cabinet the whole operation beautiful interface, use also more directly perceived, but also simplified manufacturing technique of while.
16, owing to also be provided with the automatic sense switch of stroke in upper limit position, centre position or the lower position of described form door, it is full-automatic that thereby the switch of realizing described form door is realized, and can tackle the emergency of vent cabinet, further improved its intelligent degree.
Because the present invention has above-mentioned advantage, makes the present invention applicable to various laboratory hoods.
Description of drawings
Fig. 1 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment one;
Fig. 2 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment two;
Fig. 3 is provided with the structural representation of detachable locker, wind-collecting cover, music player and display screen for the described laboratory hood of apparatus of the present invention embodiment two;
Fig. 4 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment three;
Fig. 5 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment four;
Fig. 6 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment five;
Fig. 7 is provided with the structural representation of panel 14 for the described laboratory hood of apparatus of the present invention embodiment eight;
Fig. 8 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment eight;
Fig. 9 is the structural representation of the described laboratory hood of apparatus of the present invention embodiment nine;
Figure 10 is the control system schematic diagram of the described laboratory hood of apparatus of the present invention embodiment nine.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the specific embodiment of the present invention.
Embodiment one:
As shown in Figure 1, laboratory hood comprises cabinet 1, is arranged on the form door 2 in described cabinet 1 front and is arranged on central controller 16 on the described cabinet 1; The frame 21 that is positioned at the described form door 2 of the positive 1z of described cabinet is provided with pyroscan 3, described pyroscan 3 signals of telecommunication connect described central controller 16, and the signal of telecommunication of described central controller 16 outputs is controlled the driving mechanism of described form door 2.
Described form door 2 is the door leafs that can slide up and down to be positioned in the described frame 21; Whether the positive described form door 2 that is provided with of the cabinet of described vent cabinet can need manually-operated or other to require its unlatching or close according to experimental implementation, with guarantee to test accurately and operating personnel's safety.The bottom is provided with operating table surface in the described cabinet, and exhaust outlet is arranged on the top of described cabinet and extends outdoor by exhaust duct.Described pyroscan 3 be a kind of with the thermoelectric element human body existence or move, and the output signal of thermoelectric element is converted to the voltage signal row of going forward side by side carry out waveform analysis and compare the electronic component of output detection signal with the waveform of human body generation.Described central controller 16 is that a whole set of is handled the various signals of telecommunication of laboratory hood, and the circuit of the control laboratory hood course of work, it is under operator's setting, can realize automatically that temperature, face wind speed, working time, mode of operation etc. to laboratory hood are detected, handle and control, and show result, alarm etc.
When after laboratory hood is connected the power supply start, being in normal condition, when personnel are close, described pyroscan 3 receives the infrared ray input signal, and the pyroscan 3 output signals of telecommunication are transferred to described central controller 16, and the described form door 2 of described central controller 16 controls is opened.If personnel leave, when described pyroscan 3 was not sensed signal in the time of setting, the pyroscan 3 output signals of telecommunication were transferred to described central controller 16, and the described form door 2 of described central controller 16 controls is closed.
Further technical scheme is, as shown in Figure 1, be positioned at the power switch button 5 that manual form gate control button 4 and described vent cabinet are set on the outer surface of described cabinet 1, described manual form gate control button 4 signals of telecommunication connect described central controller 16, and described power switch button 5 is directly controlled the power supply major loop.The power switch button 4 of described vent cabinet is used to open or close described vent cabinet, is pressing described power switch button 4, and behind the connection power supply, each equipment on the described vent cabinet is just switched on and can normally be used.Described manual form gate control button 4 is the open degree that are used for described form door 2 of hand switch and the described form door 2 of manual adjustments.In addition, the signal of telecommunication that the described form gate control button 4 of described central controller 16 preferential execution provides, that is: in the process of using described manual form gate control button 4, it is invalid that described pyroscan 3 is considered as, and described form door 2 can be parked in any one height in the control of described manual form gate control button 4.
Embodiment two:
As shown in Figure 2, on the basis of embodiment one, described manual form gate control button 4 comprises door opening key 41, close the door button 42 and emergency cut-off button 43.Described door opening key 41 is used for manually opened described form door 2, and can regulate the opening degree of described form door 2 at any time.And the described button 41 of closing the door is used for the described form door 2 of manual-lock, and can regulate the degree of closing of described form door 2 at any time.Described emergency cut-off button 43 is in any moment of normal operating conditions and any moment under the state of emergency, presses this button, and described form door 2 is closed at once, the air-valve standard-sized sheet of vent cabinet outfit simultaneously.
Further technical scheme is, the driving mechanism of described form door 2 comprises synchronous drive mechanism, and described synchronous drive mechanism drives described form door 2 balances simultaneously and moves.Described synchronous drive mechanism is meant by a belt wheel that has equally spaced endless-belt and have a corresponding teeth groove to be formed, during operation, and the teeth groove of belt and the belt wheel transferring power that is meshing with each other.Adopt this structure can make the lifting of described form door 2 smoothly smooth and easy.
Further technical scheme is that as shown in Figure 3, described cabinet 1 bottom is provided with dismountable locker 6.Described locker 6 is movable cabinet, can match various function cabinets such as fire prevention cabinet, soda acid cabinet or exhausting reagent cabinet as required, and each cabinet function cabinet can be made up arbitrarily.
Further technical scheme is, as shown in Figure 3, described cabinet 1 top is provided with the wind-collecting cover 7 of one-body molded manufacturing, the outlet of wind-collecting cover 7 is connected with the exhaust duct of vent cabinet and communicates, thereby can prevent the drawback that when former a plurality of assembly fits together get rusty in each assembly junction, reduce the effect of windage simultaneously in addition.Described gas skirt 7 is important component parts of the local exhaust system of gas, is used to gather the device of catching gas pollutant.
Further technical scheme is, as shown in Figure 3, on the described cabinet 1 music player 8 is set, and described music player 8 is connected with described central controller 16 signals of telecommunication.Described music player 8 is used to play music and does voice suggestion.After in system's continuous operation a few hours, described music player 8 does whether voice suggestion has a rest etc.; And for example described pyroscan 3 detects the staff and does not still leave in the time of setting, but whether voice suggestion needs to play music, begins to play music immediately, and under the situation that does not need music, the staff can close music switch.Occurring under the predefined situation, described music player 8 sends caution the tinkle of bells and voice suggestion.
Further technical scheme is, as shown in Figure 3, also comprises display screen 9, and described display screen 9 is connected with described central controller 16 signals of telecommunication.Described display screen 9 shows the detection signal and the control signal of described central controller.
Embodiment three:
As shown in Figure 4, on the basis of embodiment two, laboratory hood also comprises the timer 10 that is arranged in the described central controller 16, and described timer 10 is connected with described central controller 16 signals of telecommunication.But by described timer 10 setting-up times, and by the assignment procedure of described 9 demonstration times of display and the variation of time, thereby the time of doing experiment can be pointed out.Also available timer 10 setting-up times, when the time that preestablishes finished, the described form door 2 of described central controller 16 controls was closed or is opened, or the closing or opening of control power supply, or the closing or unlatching etc. of control air-valve.
Further technical scheme is, as shown in Figure 4, also comprises the timer control button 11 on the outer surface that is arranged on described cabinet 1, and described timer control button 11 directly is connected with described central controller 16 signals of telecommunication.Control the timing time that button 11 is provided with timer 10 by described timer, open or close described timer 10.
Embodiment four:
As shown in Figure 5, on the basis of embodiment two, also comprise face wind speed detector 12, it is inboard and be connected with described central controller 16 signals of telecommunication that described wind speed detector 12 is arranged on the frame 21 of described form door 2.Described wind speed detector generally is a kind of differential pressure pick-up, by measuring in the described cabinet pressure reduction with surrounding environment, and measurement result transferred to described central controller 16 by the signal of telecommunication, by the rotating speed of the described air draft blower fan of central controller 16 controls or the opening angle of air-valve, promptly controlled exhaust air rate.Thereby the face wind speed that makes vent cabinet is constant in a scope, makes the operating environment air pressure of experiment keep stable.The detected value that described wind speed detector 12 detects the face wind speed is presented on the described display screen 9 by described central controller 16.
Embodiment five:
As shown in Figure 6, on the basis of embodiment two, also comprise Temperature Detector 13, described Temperature Detector 13 is installed on the internal face of described cabinet 1 and with described central controller 16 signals of telecommunication and is connected.Described Temperature Detector 13 can detect the temperature in the cabinet 1 and by described central controller 16 detected Temperature numerical is presented on the described display screen 9.
Embodiment six:
On the basis of embodiment two, also comprise blower fan work state detector, described blower fan work state detector is arranged on main power circuit or its main power source control loop of blower fan, and described blower fan work state detector is connected with described central controller 16 signals of telecommunication.Described blower fan work state detector is used to detect the working status parameter of blower fan, and detected blower fan working status parameter is presented on the described display screen 9 by described central controller 16.The duty of described blower fan is meant that blower fan is in state such as turn round, cut out.
Embodiment seven:
On the basis of embodiment two, also comprise the valve area detector, described valve area detector is arranged on the air-valve drive unit, and described valve area detector is connected with described central controller 16 signals of telecommunication.Described valve area detector is used to detect the opening angle of air-valve under the vent cabinet duty, and by described central controller 16 this opening angle is presented on the described display screen 9.In addition, the button of air-valve opening angle can be provided for regulating, the opening angle of air-valve can be regulated by this button on described cabinet surface.
Embodiment eight:
As shown in Figure 7, on the basis of embodiment one, also comprise display screen 9, described display screen 9 is connected with described central controller 16 signals of telecommunication, described display screen 9 and described manual form gate control button 4 and power switch button 5 common integrated being arranged on the same panel 14.Described display screen 9 becomes to be arranged on the same control panel 14 with each control key sets makes the whole operation beautiful interface, it is also more directly perceived to use, but also simplified manufacturing technique of while.
Further technical scheme is that as shown in Figure 8, described central controller 16 is arranged in the box 17 of described control panel back.
Embodiment nine:
On the basis of embodiment one, as shown in Figure 9, the upper limit position of described form door 2, centre position and lower position also are respectively arranged with the automatic sense switch 15 of stroke, and the automatic sense switch 15 of described stroke is connected with described central controller 16 signals of telecommunication.The automatic sense switch 15 of described stroke is fixed on frame 21 inboards of described form door 2.The automatic sense switch 15 of described stroke is the electric switches in order to the movement position that limits form door 2.Described lower position is meant the location status that described form door 2 is closed fully.Described centre position is the acquiescence enable possition under the predefined laboratory hood normal operating conditions, i.e. safe altitude.Described upper limit position is meant the maximum opening position of form door 2.In these three positions the automatic sense switch 15 of described stroke is set, makes the switch of described form door 2 realize full-automatic.Its control model as shown in figure 10, at upper limit position M3, centre position M2 and lower position M1 are provided with the automatic sense switch 15 of stroke respectively, in normal operation, operating personnel are in the detecting area of pyroscan 3, pyroscan 3 provides signal to central controller 16, control again and drive motors 18, motor 18 drives synchronous drive mechanism 19, synchronous drive mechanism 19 drives jacking system 20 again form door 2 upwards is promoted to the M2 position, the automatic sense switch 15 of the stroke of this position sends signal, central controller 16 disconnects motor 18, makes form door 2 be parked in M2 place, centre position.If personnel leave, pyroscan 3 does not detect infrared signal in the time of setting, central controller 16 drive motors 18 then, motor 18 drives synchronous drive mechanism 19 form door 2 is slided downwards to lower position M1, the automatic sense switch 15 of the stroke of this position sends signal, central controller 16 disconnects motor 18, makes form door 2 be parked in M2 place, centre position, that is: form door 2 is closed fully.In the time manually will opening form door 2, motor 18 drives synchronous drive mechanism 19 form door 2 upwards is promoted to upper limit position M3, the automatic sense switch 15 of the stroke of this position sends signal, and central controller 16 disconnects motor 18, makes form door 2 be parked in upper limit position M2 place.
Claims (18)
1. laboratory hood comprises cabinet, is arranged on the form door in described cabinet front and is arranged on central controller on the described cabinet; It is characterized in that: the frame that is positioned at the described form door in described cabinet front is provided with pyroscan, the described pyroscan signal of telecommunication connects described central controller, and the signal of telecommunication of described central controller output is controlled the driving mechanism of described form door.
2. according to the described laboratory hood of claim 1, it is characterized in that: be positioned on the outer surface of described cabinet manual form gate control button is set, the signal of telecommunication of described manual form gate control button connects described central controller.
3. according to the described laboratory hood of claim 2, it is characterized in that: described manual form gate control button comprises door opening key, close the door button or emergency cut-off button.
4. according to the described laboratory hood of claim 1, it is characterized in that: the driving mechanism of described form door comprises the synchronizing wheel transmission mechanism, and described synchronizing wheel transmission mechanism drives described form door balance and moves.
5. according to the described laboratory hood of claim 1, it is characterized in that: described cabinet bottom is provided with dismountable locker.
6. according to the described laboratory hood of claim 1, it is characterized in that: described cabinet top is provided with the wind-collecting cover of one-body molded manufacturing.
7. according to the described laboratory hood of claim 1, it is characterized in that: on the described cabinet music player is set, described music player is connected with the described central controller signal of telecommunication.
8. according to the described laboratory hood of claim 1, it is characterized in that: also comprise be arranged on the described cabinet or described central controller in timer, described timer is connected with the described central controller signal of telecommunication.
9. according to the described laboratory hood of claim 1, it is characterized in that: also comprise the face wind speed detector that is arranged on described form doorjamb inboard, described wind speed detector also is connected with the described central controller signal of telecommunication.
10. according to the described laboratory hood of claim 1, it is characterized in that: also comprise Temperature Detector, described Temperature Detector is installed on the internal face of described cabinet and with the described central controller signal of telecommunication and is connected.
11. according to the described laboratory hood of claim 1, it is characterized in that: also comprise blower fan work state detector, described blower fan work state detector is arranged on the main power circuit of blower fan or the control loop of its main power source, and described blower fan work state detector is connected with the described central controller signal of telecommunication.
12. according to the described laboratory hood of claim 1, it is characterized in that: also comprise the valve area detector, described valve area detector is arranged on the air-valve drive unit, and described valve area detector is connected with the described central controller signal of telecommunication.
13. according to claim 1,7,8,9,10,11 or 12 described laboratory hoods, it is characterized in that: also comprise the detection signal that can show described central controller and the display screen of control signal, described display screen is connected with the described central controller signal of telecommunication.
14. according to the described laboratory hood of claim 3, it is characterized in that: also comprise display screen, described display screen is connected with the described central controller signal of telecommunication, common integrated being arranged on the same control panel of described display screen and described manual form gate control button.
15. according to the described laboratory hood of claim 14, it is characterized in that: comprise also on the outer surface that is arranged on described cabinet or be integrated in timer control button on the described control panel that described timer control button directly is connected with the described central controller or the described timer signal of telecommunication.
16. according to the described laboratory hood of claim 14, it is characterized in that: described central controller is arranged in the box of described control panel back.
17. according to the described laboratory hood of claim 1, it is characterized in that: the upper limit position of described form door, centre position or lower position also are provided with the automatic sense switch of stroke, and the automatic sense switch of described stroke is connected with the described central controller signal of telecommunication.
18. according to the described laboratory hood of claim 17, it is characterized in that: described stroke detection switch is fixed on the inboard of the frame of described form door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910037845A CN101537376A (en) | 2009-03-12 | 2009-03-12 | Laboratory ventilated cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910037845A CN101537376A (en) | 2009-03-12 | 2009-03-12 | Laboratory ventilated cabinet |
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Cited By (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961665A (en) * | 2010-09-17 | 2011-02-02 | 上海飞域净化工程有限公司 | Air exhaust control and ultraviolet lamp intelligent control system for biological safety cabinet |
| CN102476120A (en) * | 2010-11-23 | 2012-05-30 | 刘辉荣 | Novel fume hood |
| CN102615079A (en) * | 2012-03-15 | 2012-08-01 | 昆山大百科实验室设备工程有限公司 | Ventilation hood control system |
| CN102716889A (en) * | 2012-06-06 | 2012-10-10 | 北京信高实验室设备有限公司 | Control system and control method of surface air speed of fume hood |
| CN102825018A (en) * | 2012-09-12 | 2012-12-19 | 高波 | Automatic dust removal device of high-temperature probe |
| CN103272818A (en) * | 2013-06-05 | 2013-09-04 | 广州穗剑实验室科技有限公司 | Novel energy-saving environment-friendly numerical-control fume hood of laboratory |
| CN103433264A (en) * | 2013-09-02 | 2013-12-11 | 安徽华盛科技控股股份有限公司 | Ventilation cabinet and interference detection control device |
| CN103691724A (en) * | 2013-12-11 | 2014-04-02 | 上海应用技术学院 | Laboratory fume hood and control method |
| CN103978004A (en) * | 2014-04-22 | 2014-08-13 | 北京信高实验室设备有限公司 | Electric ventilating control cabinet |
| CN103978001A (en) * | 2014-04-22 | 2014-08-13 | 北京信高实验室设备有限公司 | Automatic ventilation control cabinet |
| CN104741355A (en) * | 2015-03-03 | 2015-07-01 | 安徽华盛科技控股股份有限公司 | CIT intelligent induction fume hood |
| CN104984972A (en) * | 2015-06-29 | 2015-10-21 | 安徽育安实验室装备有限公司 | Fume cupboard for laboratory |
| CN105032505A (en) * | 2015-06-29 | 2015-11-11 | 安徽育安实验室装备有限公司 | Operation cabinet for laboratory |
| CN105223995A (en) * | 2015-10-15 | 2016-01-06 | 上海应用技术学院 | Laboratory hood control system |
| CN105414142A (en) * | 2016-01-07 | 2016-03-23 | 广州机施建设集团有限公司 | Laboratory pressure difference control system and installation method thereof |
| CN106269768A (en) * | 2015-05-25 | 2017-01-04 | 上海琨聚电子科技有限公司 | A kind of laboratory variable air ventilated chamber |
| CN106424070A (en) * | 2016-12-06 | 2017-02-22 | 深圳市美宜佳机电设备有限公司 | Back closed type air exhaust unit ventilation cabinet |
| CN106853386A (en) * | 2015-12-08 | 2017-06-16 | 安徽东冠器械设备有限公司 | A kind of laboratory bench |
| CN107322161A (en) * | 2017-07-19 | 2017-11-07 | 中山汉通激光设备有限公司 | A kind of Multifunction laser welding machine |
| CN107617620A (en) * | 2017-10-30 | 2018-01-23 | 上海埃松气流控制技术有限公司 | A kind of intelligent ventilating cabinet sliding door control system |
| CN108114962A (en) * | 2016-11-26 | 2018-06-05 | 北京成威博瑞实验室设备有限公司 | A kind of method, structure and the system of vent cabinet lifting protective window |
| CN109126928A (en) * | 2018-10-18 | 2019-01-04 | 叶帆昊 | A kind of Multi-functional chemical experiment table |
| 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 |
| CN109794485A (en) * | 2019-02-27 | 2019-05-24 | 昆山市瑞浦鑫涂装机械有限公司 | A kind of dust collecting and dedusting room |
| CN111069218A (en) * | 2019-12-23 | 2020-04-28 | 北京汉昌绿源环保工程有限公司 | Mechanical air supply and exhaust integrated VAV (vacuum air volume) ventilation cabinet |
| CN111495914A (en) * | 2020-04-26 | 2020-08-07 | 广州博卡实验室系统科技有限公司 | Fume hood for laboratory |
| CN112138178A (en) * | 2020-08-24 | 2020-12-29 | 广东轻工职业技术学院 | Intelligent multifunctional disinfection device and method special for school laboratory epidemic prevention |
| 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 |
| CN114515548A (en) * | 2020-11-16 | 2022-05-20 | 中国石油化工股份有限公司 | Feeding control device and control method |
| RU225986U1 (en) * | 2023-11-22 | 2024-05-15 | Закрытое Акционерное Общество "Ламинарные Системы" | Glass lifting mechanism for protective laboratory equipment |
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2009
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Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101961665A (en) * | 2010-09-17 | 2011-02-02 | 上海飞域净化工程有限公司 | Air exhaust control and ultraviolet lamp intelligent control system for biological safety cabinet |
| CN102476120A (en) * | 2010-11-23 | 2012-05-30 | 刘辉荣 | Novel fume hood |
| CN102615079A (en) * | 2012-03-15 | 2012-08-01 | 昆山大百科实验室设备工程有限公司 | Ventilation hood control system |
| CN102716889A (en) * | 2012-06-06 | 2012-10-10 | 北京信高实验室设备有限公司 | Control system and control method of surface air speed of fume hood |
| CN102716889B (en) * | 2012-06-06 | 2015-01-14 | 北京信高实验室设备有限公司 | Control system and control method of surface air speed of fume hood |
| CN102825018A (en) * | 2012-09-12 | 2012-12-19 | 高波 | Automatic dust removal device of high-temperature probe |
| CN103272818A (en) * | 2013-06-05 | 2013-09-04 | 广州穗剑实验室科技有限公司 | Novel energy-saving environment-friendly numerical-control fume hood of laboratory |
| CN103433264A (en) * | 2013-09-02 | 2013-12-11 | 安徽华盛科技控股股份有限公司 | Ventilation cabinet and interference detection control device |
| CN103433264B (en) * | 2013-09-02 | 2016-09-14 | 安徽华盛科技控股股份有限公司 | A kind of ventilated chamber and interference detection control device |
| CN103691724B (en) * | 2013-12-11 | 2015-11-18 | 上海应用技术学院 | A kind of laboratory hood and control method |
| CN103691724A (en) * | 2013-12-11 | 2014-04-02 | 上海应用技术学院 | Laboratory fume hood and control method |
| CN103978001A (en) * | 2014-04-22 | 2014-08-13 | 北京信高实验室设备有限公司 | Automatic ventilation control cabinet |
| CN103978004B (en) * | 2014-04-22 | 2016-08-24 | 北京信高实验室设备有限公司 | A kind of electrically ventilating switch board |
| CN103978004A (en) * | 2014-04-22 | 2014-08-13 | 北京信高实验室设备有限公司 | Electric ventilating control cabinet |
| CN104741355A (en) * | 2015-03-03 | 2015-07-01 | 安徽华盛科技控股股份有限公司 | CIT intelligent induction fume hood |
| CN106269768A (en) * | 2015-05-25 | 2017-01-04 | 上海琨聚电子科技有限公司 | A kind of laboratory variable air ventilated chamber |
| CN105032505B (en) * | 2015-06-29 | 2017-03-22 | 安徽育安实验室装备有限公司 | Operation cabinet for laboratory |
| CN105032505A (en) * | 2015-06-29 | 2015-11-11 | 安徽育安实验室装备有限公司 | Operation cabinet for laboratory |
| CN104984972A (en) * | 2015-06-29 | 2015-10-21 | 安徽育安实验室装备有限公司 | Fume cupboard for laboratory |
| CN105223995A (en) * | 2015-10-15 | 2016-01-06 | 上海应用技术学院 | Laboratory hood control system |
| CN106853386A (en) * | 2015-12-08 | 2017-06-16 | 安徽东冠器械设备有限公司 | A kind of laboratory bench |
| CN105414142A (en) * | 2016-01-07 | 2016-03-23 | 广州机施建设集团有限公司 | Laboratory pressure difference control system and installation method thereof |
| CN108114962A (en) * | 2016-11-26 | 2018-06-05 | 北京成威博瑞实验室设备有限公司 | A kind of method, structure and the system of vent cabinet lifting protective window |
| CN106424070A (en) * | 2016-12-06 | 2017-02-22 | 深圳市美宜佳机电设备有限公司 | Back closed type air exhaust unit ventilation cabinet |
| CN107322161A (en) * | 2017-07-19 | 2017-11-07 | 中山汉通激光设备有限公司 | A kind of Multifunction laser welding machine |
| CN107617620A (en) * | 2017-10-30 | 2018-01-23 | 上海埃松气流控制技术有限公司 | A kind of intelligent ventilating cabinet sliding door control system |
| CN109126928A (en) * | 2018-10-18 | 2019-01-04 | 叶帆昊 | A kind of Multi-functional chemical experiment table |
| 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 |
| CN109794485A (en) * | 2019-02-27 | 2019-05-24 | 昆山市瑞浦鑫涂装机械有限公司 | A kind of dust collecting and dedusting room |
| CN111069218A (en) * | 2019-12-23 | 2020-04-28 | 北京汉昌绿源环保工程有限公司 | Mechanical air supply and exhaust integrated VAV (vacuum air volume) ventilation cabinet |
| CN111069218B (en) * | 2019-12-23 | 2021-08-17 | 北京汉昌绿源环保工程有限公司 | Mechanical air supply and exhaust integrated VAV (vacuum air volume) ventilation cabinet |
| CN111495914A (en) * | 2020-04-26 | 2020-08-07 | 广州博卡实验室系统科技有限公司 | Fume hood for laboratory |
| CN112138178A (en) * | 2020-08-24 | 2020-12-29 | 广东轻工职业技术学院 | Intelligent multifunctional disinfection device and method special for school laboratory epidemic prevention |
| CN114515548A (en) * | 2020-11-16 | 2022-05-20 | 中国石油化工股份有限公司 | Feeding control device and control method |
| 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 |
| RU225986U1 (en) * | 2023-11-22 | 2024-05-15 | Закрытое Акционерное Общество "Ламинарные Системы" | Glass lifting mechanism for protective laboratory equipment |
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