CN113578909A - Laboratory fume chamber with obstacle detection and early warning function - Google Patents
Laboratory fume chamber with obstacle detection and early warning function Download PDFInfo
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- CN113578909A CN113578909A CN202110967877.8A CN202110967877A CN113578909A CN 113578909 A CN113578909 A CN 113578909A CN 202110967877 A CN202110967877 A CN 202110967877A CN 113578909 A CN113578909 A CN 113578909A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
- B08B15/023—Fume cabinets or cupboards, e.g. for laboratories
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention belongs to the technical field of fume hoods, and particularly relates to a laboratory fume hood with obstacle detection and early warning functions, which comprises: the environment detection assembly is electrically connected with the central control assembly and is used for detecting temperature, humidity and dust concentration information in the environment and sending all information to the central control assembly in real time; and the obstacle detection assembly is electrically connected with the central control assembly and is used for acquiring obstacle information in the environment, establishing a model of the obstacles and the environment, analyzing the composition of each obstacle and sending the information to the central control assembly. This laboratory fume chamber with obstacle detection and early warning function can detect each item environmental information near the fume chamber to automatic alarm when environmental information surpasss the threshold value, and open the fume chamber automatically and ventilate, the information of barrier in can the automatic acquisition environment moreover keeps away the barrier automatically when removing, avoids the collision damage.
Description
Technical Field
The invention relates to the technical field of fume hoods, in particular to a laboratory fume hood with obstacle detection and early warning functions.
Background
The laboratory has higher demand to the clean degree of air, especially to the experiment that can produce toxic gas, the ventilation of laboratory is concerned with laboratory personnel's safety, in the laboratory, the circulation of air is very slow, does not clear up for a long time, can float a large amount of pollutants in the air, indoor air circumstance also can become extremely bad, traditional fume chamber installs at fixed position, when circulating indoor air, can not be to fine cleanness in the corner, so produced portable fume chamber. But current fume chamber often needs personnel to be after discovering indoor air quality worse, and manual the opening, and work efficiency is lower, and ventilation effect takes effect slowly, collides laboratory experiment equipment easily when removing moreover, causes economic loss.
Therefore, it is necessary to develop a laboratory fume hood with obstacle detection and early warning functions for solving at least one of the above technical problems.
Disclosure of Invention
The invention provides the following technical scheme:
the utility model provides a laboratory fume chamber with obstacle detection and early warning function, includes:
the environment detection assembly is electrically connected with the central control assembly and is used for detecting temperature, humidity and dust concentration information in the environment and sending all information to the central control assembly in real time;
the obstacle detection assembly is electrically connected with the central control assembly and used for acquiring obstacle information in the environment, establishing a model of obstacles and the environment, analyzing the composition of each obstacle and sending the information to the central control assembly;
the central control assembly is electrically connected with the mobile assembly and the warning assembly and is used for receiving the information uploaded by the environment detection assembly and the obstacle detection assembly, respectively sending the information to the mobile assembly and the warning assembly and controlling the work of other assemblies;
the moving assembly is used for planning an optimal path according to the information after receiving the barrier and the environmental information and driving the fume hood to move to other positions;
and the warning assembly is used for timely giving an alarm locally after receiving each item of information exceeding the threshold value, and uploading the information to a cloud end, so that the remote checking of workers is facilitated.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the environment detection assembly comprises a temperature detection assembly, a humidity detection assembly and a dust concentration detection assembly;
the temperature detection assembly is used for detecting the temperature of the environment near the fume hood and sending temperature information to the central control module;
the humidity detection assembly is used for detecting the humidity of the environment near the fume hood and sending the humidity information to the central control module;
the dust concentration detection assembly is used for detecting the concentration of dust in air in the environment near the fume hood and sending concentration information to the central control module.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the temperature detection assembly and the humidity detection assembly are integrated temperature and humidity sensors.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the obstacle detection component comprises an environment shooting component, a survey radar and an environment obstacle analysis component;
the environment shooting assembly is electrically connected with the environment barrier analysis assembly and is used for shooting image videos in the environment near the fume hood and conveying the image videos to the environment barrier analysis assembly;
the surveying radar is electrically connected with an environmental obstacle analysis component, and is used for acquiring position coordinate information of each obstacle in the environment through radar waves and transmitting the position coordinate information to the environmental obstacle analysis component;
the environment obstacle analysis component is used for establishing a model of the obstacles and the environment according to the image information and the position coordinate information of the obstacles and analyzing the composition of each obstacle.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the environment shooting assembly is a panoramic camera arranged on the top end of the fume chamber.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the central control assembly comprises a remote control assembly, a timing assembly, a single chip microcomputer and a display assembly;
the remote control assembly is electrically connected with the single chip microcomputer and is used for remotely controlling the single chip microcomputer;
the timing assembly is electrically connected with the single chip microcomputer and used for sending information of the timing switch to the single chip microcomputer and sending the information to the single chip microcomputer when the time reaches a preset value;
the single chip microcomputer is electrically connected with a display assembly and is used for transmitting information and controlling other devices to work;
the display component is used for displaying various working information of the device.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the remote control assembly is an infrared remote controller, and the display assembly is an LED liquid crystal screen.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the moving assembly comprises a path planning assembly, a guide assembly, a driving assembly and a brake assembly;
the path planning assembly is electrically connected with the guide assembly, the driving assembly and the brake assembly, and is used for planning a moving path of the fume hood according to the information uploaded by the environmental barrier analysis assembly and sending the planned route to the guide assembly, the driving assembly and the brake assembly;
the guide assembly, the driving assembly and the brake assembly are respectively used for controlling the moving direction and the moving power of the fume hood.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: the warning assembly comprises an alarm assembly, a communication assembly, a cloud server and a mobile terminal;
the alarm assembly is electrically connected with the communication assembly and is used for providing an alarm function when various information detected by the environment detection assembly exceeds a threshold value;
the communication component is in signal connection with a cloud server and is used for sending alarm information to the cloud server;
the cloud server is in signal connection with a mobile terminal and is used for sending information to the mobile terminal through the Internet;
the mobile terminal is used for observing the working condition of the fume hood.
As a preferred scheme of the laboratory fume hood with obstacle detection and early warning functions, the invention comprises the following steps: acquiring any vertex angle of a rectangular structure near the fume hood in the acquired image as an original point o, and respectively setting two edges connected with the original point o as an x axis and a y axis so as to establish a two-dimensional coordinate system oxy; in the coordinate system oxy, each target site in the model is divided into the grid map of L × K according to the coordinate system as follows
Wherein L and K respectively represent the number of transverse grids and the number of longitudinal grids of the grid map BL multiplied by K; EMLRepresenting the state that a coordinate point with coordinates (nx, ny) on the grid map BL × K is occupied if EMKWhen the coordinate point has no obstacle, the EM is oppositeK1 indicates that the coordinate point has an obstacle.
Compared with the prior art:
the laboratory ventilation cabinet with the obstacle detection and early warning function can detect various environmental information near the ventilation cabinet, automatically alarm when the environmental information exceeds a threshold value, and automatically open the ventilation cabinet for ventilation, and the information of obstacles in the environment can be automatically acquired, the obstacles are automatically avoided when the obstacle-avoiding device moves, and collision damage is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a system block diagram of the environment detection assembly of the present invention;
FIG. 3 is a system block diagram of the obstacle detection assembly of the present invention;
FIG. 4 is a system block diagram of the control assembly of the present invention;
FIG. 5 is a system block diagram of the mobile assembly of the present invention;
FIG. 6 is a system diagram of an alert component of the present invention.
In the figure: 100 environment detection components, 110 temperature detection components, 120 humidity detection components, 130 dust concentration detection components, 200 obstacle detection components, 210 environment shooting components, 220 survey radars, 230 environment obstacle analysis components, 300 central control components, 310 remote control components, 320 timing components, 330 single-chip microcomputer, 340 display components, 400 moving components, 410 path planning components, 420 guiding components, 430 driving components, 440 brake components, 500 warning components, 510 alarm components, 520 communication modules, 530 cloud servers and 540 mobile terminals.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below.
Example 1: the environment detection component 100 detects temperature, humidity and dust concentration information in the environment and sends various information to the central control component 300 in real time; the obstacle detection component 200 acquires obstacle information in the environment, establishes a model of the obstacles and the environment, analyzes the composition of each obstacle, and sends the information to the central control component 300; the central control component 300 receives the information uploaded by the environment detection component 100 and the obstacle detection component 200, respectively sends the information to the mobile component 400 and the warning component 500, and controls the work of other components; after receiving the obstacle and environment information, the moving assembly 400 plans an optimal path according to the information and drives the fume hood to move to other positions; after receiving each item of information exceeding the threshold value, the warning component 500 timely gives an alarm locally, and uploads the information to the cloud, so that the staff can conveniently check the information remotely.
Example 2: the temperature detection component 110 detects the temperature of the environment near the fume hood and sends temperature information to the central control module; the humidity detection component 120 detects the humidity of the environment near the fume hood and sends the humidity information to the central control module; the dust concentration detection assembly 130 detects the concentration of dust in the air in the environment near the fumehood and sends the concentration information to the central control module.
Example 3: the environment shooting component 210 shoots image videos in the environment near the fume hood and transmits the image videos to the environmental obstacle analyzing component 230; the survey radar 220 acquires position coordinate information of each obstacle in the environment through radar waves and transmits the position coordinate information to the environment obstacle analysis component 230; the environmental obstacle analysis component 230 builds models of obstacles and the environment according to the image information and the position coordinate information of the obstacles, and analyzes the composition of each obstacle.
Example 4: the remote control component 310 remotely controls the singlechip 330; the timing component 320 is electrically connected with the single chip microcomputer 330, the timing component 320 sends information of a timing switch to the single chip microcomputer 330, and sends information to the single chip microcomputer 330 when time reaches a preset value; the single chip microcomputer 330 transmits information and controls other devices to work; the display component 340 is used for displaying various items of work information of the device.
Example 5: the path planning component 410 plans the moving path of the fume hood according to the information uploaded by the environmental obstacle analyzing component 230, and sends the planned route to the guiding component 420, the driving component 430 and the braking component 440; the guide assembly 420, the driving assembly 430 and the brake assembly 440 control the moving direction and the moving power of the fume hood, respectively.
Example 6: the alarm component 510 is used for providing an alarm function when various items of information detected by the environment detection component 100 exceed a threshold value; the communication component sends the alarm information to the cloud server 530; the cloud server 530 is connected with the mobile terminal 540 through a signal, and the cloud server 530 sends information to the mobile terminal 540 through the internet; the mobile terminal 540 observes the operation of the fume hood.
Acquiring any vertex angle of a rectangular structure near the fume hood in the acquired image as an original point o, and respectively setting two edges connected with the original point o as an x axis and a y axis so as to establish a two-dimensional coordinate system oxy; in the coordinate system oxy, each target site in the model is divided into the grid map of L × K according to the coordinate system as follows
Wherein L and K respectively represent the number of transverse grids and the number of longitudinal grids of the grid map BL multiplied by K; EMLRepresenting the state that a coordinate point with coordinates (nx, ny) on the grid map BL × K is occupied if EMKWhen the coordinate point has no obstacle, the EM is oppositeK1 indicates that the coordinate point has an obstacle.
The working principle is as follows:
detect the temperature in the environment through environment detection subassembly 100, humidity and dust concentration information, and with in information transmission well accuse subassembly 300, when information exceedes predetermined threshold value, warning subassembly 500 provides alarming function, and upload alarm information to the high in the clouds, remind long-range and near staff simultaneously, and open the fume chamber automatically, when removing subassembly 400 through well accuse subassembly 300 control and drive the fume chamber and remove, gather the barrier information in the environment through obstacle detection subassembly 200, and establish the model of barrier and environment, analyze the constitution of each barrier, and plan the removal route through removing subassembly 400, thereby avoid the barrier to remove to the assigned position.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a laboratory fume chamber with obstacle detection and early warning function which characterized in that includes:
the environment detection assembly (100) is electrically connected with the central control assembly (300) and is used for detecting temperature, humidity and dust concentration information in the environment and sending all information to the central control assembly (300) in real time;
the obstacle detection assembly (200) is electrically connected with the central control assembly (300) and is used for acquiring obstacle information in the environment, establishing a model of obstacles and the environment, analyzing the composition of each obstacle and sending the information to the central control assembly (300);
the central control assembly (300) is electrically connected with the moving assembly (400) and the warning assembly (500) and is used for receiving the information uploaded by the environment detection assembly (100) and the obstacle detection assembly (200), respectively sending the information to the moving assembly (400) and the warning assembly (500) and controlling the operation of the moving assembly (400) and the warning assembly (500);
the moving assembly (400) is used for planning an optimal path according to the information after receiving the barrier and the environmental information and driving the fume hood to move to other positions;
and the warning component (500) is used for timely giving an alarm locally after receiving each item of information exceeding the threshold value, and uploading the information to a cloud end, so that the remote checking of workers is facilitated.
2. The laboratory fume hood with obstruction detection and warning function according to claim 1, wherein said environment detection assembly (100) comprises a temperature detection assembly (110), a humidity detection assembly (120) and a dust concentration detection assembly (130);
the temperature detection assembly (110) is used for detecting the temperature of the environment near the fume hood and sending temperature information to the central control module;
the humidity detection assembly (120) is used for detecting the humidity of the environment near the fume hood and sending the humidity information to the central control module;
the dust concentration detection assembly (130) is used for detecting the concentration of dust in air in the environment near the fume hood and sending concentration information to the central control module.
3. The laboratory fume hood with obstacle detection and early warning function according to claim 2, wherein the temperature detection assembly (110) and the humidity detection assembly (120) are integrated temperature and humidity sensors.
4. The laboratory fumehood with obstruction detection and early warning functions of claim 1 wherein said obstruction detection assembly (200) comprises an environmental capture assembly (210), a survey radar (220), and an environmental obstruction analysis assembly (230);
the environment shooting assembly (210) is electrically connected with an environment barrier analysis assembly (230), and the environment shooting assembly (210) is used for shooting image videos in the environment near the fume hood and conveying the image videos to the environment barrier analysis assembly (230);
the surveying radar (220) is electrically connected with an environmental obstacle analysis component (230), and the surveying radar (220) is used for acquiring position coordinate information of each obstacle in the environment through radar waves and transmitting the position coordinate information to the environmental obstacle analysis component (230);
the environment obstacle analysis component (230) is used for establishing a model of the obstacles and the environment according to the image information and the position coordinate information of the obstacles and analyzing the composition of each obstacle.
5. The laboratory fume hood with obstacle detection and early warning function according to any one of claims 1 to 4, wherein the environment shooting component (210) is a panoramic camera installed at the top end of the fume hood.
6. The laboratory fume hood with obstacle detection and early warning functions according to claim 1, wherein the central control component (300) comprises a remote control component (310), a timing component (320), a single chip microcomputer (330) and a display component (340);
the remote control assembly (310) is electrically connected with the single chip microcomputer (330), and the remote control assembly (310) is used for remotely controlling the single chip microcomputer (330);
the timing assembly (320) is electrically connected with the single chip microcomputer (330), and the timing assembly (320) is used for sending information of a timing switch to the single chip microcomputer (330) and sending the information to the single chip microcomputer (330) when time reaches a preset value;
the single chip microcomputer (330) is electrically connected with a display assembly (340), and the single chip microcomputer (330) is used for transmitting information and controlling other devices to work;
the display component (340) is used for displaying various working information of the device.
7. The laboratory fume hood with obstacle detection and early warning function according to claim 6, wherein said remote control assembly (310) is an infrared remote control, and said display assembly (340) is an LED liquid crystal screen.
8. The laboratory fumehood with obstruction detection and early warning functions of claim 1 wherein said moving assembly (400) comprises a path planning assembly (410), a guidance assembly (420), a drive assembly (430), and a brake assembly (440);
the path planning assembly (410) is electrically connected with a guiding assembly (420), a driving assembly (430) and a braking assembly (440), and the path planning assembly (410) is used for planning the moving path of the fume hood according to the information uploaded by the environmental barrier analysis assembly (230) and sending the planned route to the guiding assembly (420), the driving assembly (430) and the braking assembly (440);
the guide assembly (420), the driving assembly (430) and the brake assembly (440) are respectively used for controlling the moving direction and the moving power of the fume hood.
9. The laboratory fume hood with obstruction detection and warning functions of claim 1, wherein the warning component (500) comprises an alarm component (510), a communication component, a cloud server (530) and a mobile terminal (540);
the alarm component (510) is electrically connected with a communication component, and the alarm component (510) is used for providing an alarm function when various information detected by the environment detection component (100) exceeds a threshold value;
the communication component is in signal connection with a cloud server (530), and is used for sending alarm information to the cloud server (530);
the cloud server (530) is in signal connection with a mobile terminal (540), and the cloud server (530) is used for sending information to the mobile terminal (540) through the Internet;
the mobile terminal (540) is used for observing the working condition of the fume hood.
10. Laboratory fume hood with obstacle detection and early warning function according to any of claims 1 to 9,
acquiring any vertex angle of a rectangular structure near the fume hood in the acquired image as an original point o, and respectively setting two edges connected with the original point o as an x axis and a y axis so as to establish a two-dimensional coordinate system oxy; in the coordinate system oxy, each target site in the model is divided into the grid map of L × K according to the coordinate system as follows
Wherein L and K respectively represent the number of transverse grids and the number of longitudinal grids of the grid map BL multiplied by K; EMLRepresenting the state that a coordinate point with coordinates (nx, ny) on the grid map BL × K is occupied if EMKWhen the coordinate point has no obstacle, the EM is oppositeK1 indicates that the coordinate point has an obstacle.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110967877.8A CN113578909A (en) | 2021-08-23 | 2021-08-23 | Laboratory fume chamber with obstacle detection and early warning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110967877.8A CN113578909A (en) | 2021-08-23 | 2021-08-23 | Laboratory fume chamber with obstacle detection and early warning function |
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| CN113578909A true CN113578909A (en) | 2021-11-02 |
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| CN202110967877.8A Pending CN113578909A (en) | 2021-08-23 | 2021-08-23 | Laboratory fume chamber with obstacle detection and early warning function |
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| CN107870585A (en) * | 2016-09-26 | 2018-04-03 | 苏州天弘益华机电有限公司 | A kind of Laboratory Monitoring System |
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