CN208912771U - Automatic sensing draught cupboard - Google Patents
Automatic sensing draught cupboard Download PDFInfo
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- CN208912771U CN208912771U CN201821355208.5U CN201821355208U CN208912771U CN 208912771 U CN208912771 U CN 208912771U CN 201821355208 U CN201821355208 U CN 201821355208U CN 208912771 U CN208912771 U CN 208912771U
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- infrared
- plc controller
- isolation window
- circuit
- infrared sensor
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Abstract
The utility model provides a kind of automatic sensing draught cupboard, including cabinet body and the lifting isolation window being arranged on front side of the cabinet body, it further includes stepper motor, PLC controller and the first infrared circuit, the PLC controller controls the opening and closing of the stepper motor, the stepper motor drives the lifting isolation window to move up and down, the signal input part of the PLC controller connects the signal output end of first infrared circuit, the first infrared sensor is provided in first infrared circuit, first infrared sensor is located at right above the lifting isolation window and is arranged obliquely downward, the PLC controller controls the folding of the lifting isolation window according to the human infrared signal that first infrared sensor detects.The automatic sensing draught cupboard has the advantages that design science, can automatic lifting, high safety, easy to use.
Description
Technical field
The utility model relates to a kind of draught cupboards, specifically, relate to a kind of automatic sensing draught cupboard.
Background technique
Draught cupboard is the equipment for carrying out chemical experiment, provides a ventilated environment for experiment, reduces harmful gas
The lifting isolation window of influence of the body to human body, front can both separate people and experiment, not only guarantee safety, but also not influence to experiment
It is observed；But existing lifting isolation window is hand push-pull type, and experimenter is in order to avoid trouble, in experimentation often
Lifting isolation window is pushed to completely, when leaving experimental bench, and often forgets about and pulls down lifting isolation window, protect it safely
Shield effect substantially reduces.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of this utility model be in view of the deficiencies of the prior art, thus provide a kind of design science, can automatic lifting,
High safety, automatic sensing draught cupboard easy to use.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of automatic sensing draught cupboard, including
Cabinet body and the lifting isolation window being arranged on front side of the cabinet body, it further includes stepper motor, PLC controller and the first infrared detection
Circuit, the PLC controller control the opening and closing of the stepper motor, and the stepper motor drives the lifting isolation window to go up and down
Movement, the signal input part of the PLC controller connect the signal output end of first infrared circuit, and described first is red
The first infrared sensor is provided in outer detection circuit, first infrared sensor is located at right above the lifting isolation window simultaneously
It is arranged obliquely downward, the PLC controller controls institute according to the human infrared signal that first infrared sensor detects
State the folding of lifting isolation window.
Based on above-mentioned, it further includes the second infrared circuit and the signal input part that the PLC controller is arranged in
Switching circuit, the switching circuit be separately connected first infrared circuit signal output end and the second infrared inspection
The signal output end of slowdown monitoring circuit is provided with the second infrared sensor, the second infrared biography in second infrared circuit
Sensor is located at the lifting isolation window bottom and is arranged towards underface, and the PLC controller is according to second infrared sensing
The human arm infrared information that device detects controls the height of the lifting isolation window.
Based on above-mentioned, opened up in the lifting isolation window there are two circular hole is operated, be respectively provided in each operation circular hole
One glass baffle plate, the inner edge of the operation circular hole and the outer rim of the glass baffle plate are respectively arranged with the metal by being threadedly engaged
Part.
Based on above-mentioned, a transparent soft plastic diaphragm, the transparent soft plastic is also respectively set in each operation circular hole
Diaphragm is arranged on the inside of the glass baffle plate, is provided with cross designated port on the transparent soft plastic diaphragm.
The utility model has substantive features and progress compared with the prior art, specifically, the utility model and tradition
Hand push-pull type lifting isolation window it is different, realized by the stepper motor to the Mechanical Driven for going up and down isolation window, passed through
The setting of first infrared sensor, it is close to can detecte that whether there is or not personnel, when personnel close to when, the PLC controller control
It makes the stepper motor and opens the lifting isolation window, when certain time can't detect personnel nearby, the PLC controller control
Make the stepper motor and close the lifting isolation window, with design science, can automatic lifting, high safety, easy to use
The advantages of.
Further, the setting of second infrared sensor can detect the infrared information of experimenter's arm, and should
Infrared information is transferred to the PLC controller, and the PLC controller controls the stepper motor and the lifting isolation window is driven to lean on
The arm of nearly experimenter, moment keep half tension state, not only can guarantee safety but also have not influenced to operate.
Further, the setting of two operation circular holes facilitates the both hands of experimenter to pass through and operates, for certain
A little relatively high experiments of risk, can more fully Protection personnel.
Further, cross designated port is set on the transparent soft plastic diaphragm, and the arm of experimenter can be by ten strokes
Mouth struts, and in operating process, the transparent soft plastic diaphragm is attached on the arm of experimenter, keeps protection more comprehensive.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of automatic sensing draught cupboard in the utility model.
Fig. 2 is the usage state diagram of automatic sensing draught cupboard in the utility model.
Fig. 3 is the control principle drawing of automatic sensing draught cupboard in the utility model.
In figure: 1. cabinet bodies；2. going up and down isolation window；3. stepper motor；4. the first infrared circuit；5. second is red
Outer detection circuit；6. operating circular hole；7. glass baffle plate；8. cross designated port.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1-3, a kind of automatic sensing draught cupboard, including cabinet body 1, be arranged in the lifting of 1 front side of cabinet body every
From window 2, stepper motor 3, PLC controller, switching circuit, the first infrared circuit and the second infrared circuit, the PLC
Controller controls the opening and closing of the stepper motor 3, and the stepper motor 3 drives the lifting isolation window 2 to move up and down, described
The signal input part of PLC controller connects the signal output end of first infrared circuit, the first infrared detection electricity
Road is provided with the first infrared sensor 4, and first infrared sensor 4 is located at right above the lifting isolation window 2 and direction
Obliquely downward setting, the PLC controller control the liter according to the human infrared signal that first infrared sensor detects
The folding of isolation window is dropped, and the model of the PLC controller specifically can be Mitsubishi PLC FX3U-64MR.
Second infrared circuit and the signal input part that the PLC controller is set, the switching circuit difference
Connect the signal output end of first infrared circuit and the signal output end of second infrared circuit, described
The second infrared sensor is provided in two infrared circuits, second infrared sensor is located at the lifting isolation window bottom
And it is arranged towards underface, the human arm infrared information that the PLC controller is detected according to second infrared sensor
Control the height of the lifting isolation window.
Based on above-mentioned, opened up in the lifting isolation window there are two circular hole is operated, be respectively provided in each operation circular hole
One glass baffle plate, the inner edge of the operation circular hole and the outer rim of the glass baffle plate are respectively arranged with the metal by being threadedly engaged
Part.
Based on above-mentioned, a transparent soft plastic diaphragm, the transparent soft plastic is also respectively set in each operation circular hole
Diaphragm is arranged on the inside of the glass baffle plate, is provided with cross designated port on the transparent soft plastic diaphragm.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (4)
1. a kind of automatic sensing draught cupboard, including cabinet body and the lifting isolation window being arranged on front side of the cabinet body, it is characterised in that:
It further includes stepper motor, PLC controller and the first infrared circuit, and the PLC controller controls the stepper motor
Opening and closing, the stepper motor drive the lifting isolation window to move up and down, and the signal input part of the PLC controller connects institute
The signal output end of the first infrared circuit is stated, the first infrared sensor, institute are provided in first infrared circuit
It states the first infrared sensor to be located at right above the lifting isolation window and be arranged obliquely downward, the PLC controller is according to institute
State the folding that the human infrared signal that the first infrared sensor detects controls the lifting isolation window.
2. automatic sensing draught cupboard according to claim 1, it is characterised in that: it further include the second infrared circuit and
The switching circuit of the signal input part of the PLC controller is set, and the switching circuit is separately connected the described first infrared inspection
The signal output end of the signal output end of slowdown monitoring circuit and second infrared circuit is set in second infrared circuit
It is equipped with the second infrared sensor, second infrared sensor is located at the lifting isolation window bottom and is arranged towards underface,
The PLC controller controls the lifting isolation window according to the human arm infrared information that second infrared sensor detects
Height.
3. automatic sensing draught cupboard according to claim 2, it is characterised in that: there are two being opened up in the lifting isolation window
Circular hole is operated, a glass baffle plate, the inner edge of the operation circular hole and the glass baffle plate are respectively provided in each operation circular hole
Outer rim be respectively arranged with the metalwork by being threadedly engaged.
4. automatic sensing draught cupboard according to claim 3, it is characterised in that: also set respectively in each operation circular hole
Set a transparent soft plastic diaphragm, the transparent soft plastic diaphragm is arranged on the inside of the glass baffle plate, the transparent soft plastic every
Cross designated port is provided on film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355208.5U CN208912771U (en) | 2018-08-22 | 2018-08-22 | Automatic sensing draught cupboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821355208.5U CN208912771U (en) | 2018-08-22 | 2018-08-22 | Automatic sensing draught cupboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208912771U true CN208912771U (en) | 2019-05-31 |
Family
ID=66703716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821355208.5U Active CN208912771U (en) | 2018-08-22 | 2018-08-22 | Automatic sensing draught cupboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208912771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339647A (en) * | 2019-07-11 | 2019-10-18 | 许春燕 | A kind of polishing machine tool high effect dust cleaner |
| CN113102432A (en) * | 2021-04-13 | 2021-07-13 | 博兰特智慧实验室(江苏)有限公司 | Intelligent fume hood system and control method thereof |
-
2018
- 2018-08-22 CN CN201821355208.5U patent/CN208912771U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110339647A (en) * | 2019-07-11 | 2019-10-18 | 许春燕 | A kind of polishing machine tool high effect dust cleaner |
| CN113102432A (en) * | 2021-04-13 | 2021-07-13 | 博兰特智慧实验室(江苏)有限公司 | Intelligent fume hood system and control method thereof |
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