Method for detecting barrier by using grating, compact shelf movement control system and application thereof
阅读说明：本技术 光栅检测障碍物的方法、密集架移动控制系统及其应用 (Method for detecting barrier by using grating, compact shelf movement control system and application thereof ) 是由 金旭明 于 2019-11-28 设计创作，主要内容包括：本发明涉及一种安全光栅检测障碍物的方法,所述安全光栅包括发射端和接收端,发射端设有若干红外发射器,接收端设有相匹配的信号接收器,其特征在于：对每一个红外发射器和与之对应的信号接收器的位点进行光源信号编码,信号接收器仅处理对应位点的红外发射器发出的红外光光源信号,忽略其它位点的红外光光源信号。本发明采用红外线光信号编码传输技术,红外光信号只能被对应的特定接收器接收并处理,而其他信号直接忽略,避免了其他信号的干扰,使接收端的处理器运行更高效。(The invention relates to a method for detecting obstacles by a safety grating, wherein the safety grating comprises a transmitting end and a receiving end, the transmitting end is provided with a plurality of infrared transmitters, and the receiving end is provided with a matched signal receiver, and the method is characterized in that: and (3) carrying out light source signal coding on each infrared emitter and the corresponding position of the signal receiver, wherein the signal receiver only processes the infrared light source signals sent by the infrared emitters at the corresponding position and ignores the infrared light source signals at other positions. The invention adopts the infrared light signal coding transmission technology, the infrared light signal can only be received and processed by the corresponding specific receiver, and other signals are directly ignored, thereby avoiding the interference of other signals and leading the processor at the receiving end to operate more efficiently.)
1. A method for detecting obstacles by a safety grating comprises a transmitting end and a receiving end, wherein the transmitting end is provided with a plurality of infrared transmitters, and the receiving end is provided with a matched signal receiver, and is characterized in that: carrying out light source signal coding on each infrared emitter and the corresponding position point of the signal receiver, wherein the signal receiver only processes the infrared light source signals sent by the infrared emitters of the corresponding position points and ignores the infrared light source signals of other position points;
in a cycle transmitting period, a transmitting end sends out a synchronous signal, a receiving end receives the synchronous signal, an infrared transmitter at the transmitting end sequentially transmits infrared light source signals, and the receiving end sequentially receives corresponding infrared light source signals; if any signal receiver at the receiving end does not receive the infrared light source signal of the corresponding site in the transmitting cycle period, judging that the grating area has an obstacle, generating an alarm signal and outputting which site is blocked; otherwise, the raster region has no obstacle, and the next cycle period detection is continuously executed.
2. The method for detecting obstacles by using a safety grating as claimed in claim 1, wherein: the method comprises the steps of detecting obstacles in a long-distance range, connecting a plurality of safety gratings in series, enabling the safety gratings connected in series to work in sequence, enabling the next safety grating to start working after the previous safety grating finishes detection, and enabling the safety grating at the foremost end to start working until the safety grating at the tail end finishes detection.
3. The method for detecting obstacles by using a safety grating as claimed in claim 1, wherein: the barrier within the long distance range is detected, a plurality of safety gratings are connected in series, the safety gratings connected in series work for a time, and adjacent safety gratings do not work at the same time.
4. The method for detecting the channel safety grating of the electric movable rack according to claim 3, wherein the method comprises the following steps: each pair of safety gratings is numbered, odd pairs of safety gratings work simultaneously, even pairs of safety gratings work simultaneously, and work sequentially according to the cycle of odd pairs-even pairs-odd pairs.
5. The utility model provides an electronic intensive removal control system which characterized in that:
comprises a movement control unit for controlling the movement of the compact shelf;
the detection unit judges the channel safety and outputs a signal to the controller, and the controller outputs a movable signal to the mobile control unit;
the detecting element is including the safety grating that is used for detecting whether barrier exists in electronic intensive passageway, the safety grating includes transmitting terminal and receiving terminal, and the transmitting terminal is equipped with a plurality of infrared transmitter, and the receiving terminal is equipped with assorted signal receiver, its characterized in that: carrying out light source signal coding on each infrared emitter and the corresponding position point of the signal receiver, wherein the signal receiver only processes the infrared light source signals sent by the infrared emitters of the corresponding position points and ignores the infrared light source signals of other position points;
in a cycle transmitting period, a transmitting end sends out a synchronous signal, a receiving end receives the synchronous signal, an infrared transmitter at the transmitting end sequentially transmits infrared light source signals, and the receiving end sequentially receives corresponding infrared light source signals; if any signal receiver at the receiving end does not receive the infrared light source signal of the corresponding site in the transmitting cycle period, judging that the grating area has an obstacle, generating an alarm signal and outputting which site is blocked; otherwise, the raster region has no obstacle, and the next cycle period detection is continuously executed.
6. The system for controlling the movement of an electrically movable rack according to claim 5, wherein: the multiple safety gratings are connected in series, the safety gratings connected in series work in sequence, the next safety grating starts to work after the previous safety grating finishes detection, and the safety grating at the foremost end starts to work until the safety grating at the tail end finishes detection.
7. The system for controlling the movement of an electrically movable rack according to claim 5, wherein: and connecting a plurality of safety gratings in series, wherein the safety gratings connected in series work for a plurality of times, and adjacent safety gratings do not work at the same time.
8. The system for controlling the movement of an electrically movable rack according to claim 7, wherein: each pair of safety gratings is numbered, odd pairs of safety gratings work simultaneously, even pairs of safety gratings work simultaneously, and work sequentially according to the cycle of odd pairs-even pairs-odd pairs.
9. The system for controlling the movement of an electrically movable rack according to claim 5, wherein: the two sides of any electric compact shelf are provided with transmitting ends, and the two sides of the adjacent electric compact shelves are provided with receiving ends matched with the transmitting ends.
10. The application of the electric compact shelf mobile control system is characterized in that: the safety detection of the channel is used for ground reflection and/or long-distance detection.
Technical Field
The invention relates to the technical field of electric compact shelving, in particular to a method for detecting obstacles by a safety grating, an electric compact shelving mobile control system and application thereof.
Background
The electric compact shelf is a computer-controlled multifunctional file compact shelf control system, meets the requirements of modernization, digitalization and standardization of file management, combines modern advanced software, information and control technology, and is produced, so that the electric compact shelf is popular with customers since the electric compact shelf is put on the market.
As a substitute product of the traditional compact shelf, the electric compact shelf is a good helper for file managers by the higher technological content, the humanized man-machine conversation interface, the good butt joint with a database, the convenient control system upgrading, the integration of manual, electric and computer control functions, the intelligent file query mode and the file storage position indication.
The electric compact shelf has several advantages as follows:
1. the complete computer communication function can flexibly control each subarea and row through the computer (the compact shelf can be controlled at will by clicking the simulation graph on the computer interface, and the corresponding compact shelf can be opened directly by double clicking the file data name in the database), and each subarea and row can be operated from the compact shelf. A10.4-inch large liquid crystal touch screen is arranged on the existing fixed column compact shelf, and the compact shelf can be directly opened and closed, data entry, inquiry, bar code management files and other works on the touch screen.
2. The manual, electronic, computer control function in an organic whole of collection, the function integration, but three kinds of operation modes are independent separately, do not influence each other, mutual protection prevents the malfunction.
1) The compact shelving in actual use can be directly opened by clicking the simulation graph or the file data name of the compact shelving on the computer, and the key switch on the side panel of the compact shelving in actual use is operated;
2) directly opening the compact shelf;
3) when power is off, the compact shelf can be directly opened by shaking the handle on the compact shelf;
4) the large liquid crystal touch screen on the fixed column can directly operate the compact shelves in each column.
3. The database management interface is intuitive, various file data searching modes are built in the database management interface, and the fuzzy query is supported, so that the query and retrieval of the file data are convenient and quick.
4. And a plurality of groups of universal interfaces are provided, so that the function upgrade of the system is facilitated.
5. Intelligent ventilation management, clicking a 'ventilation' button, and uniformly distributing rows of positions of the compact shelf at equal intervals to ensure that the archive materials are in a qualified environment.
The important consideration of the electric compact shelf in the using process is a safety factor, the detection of people or objects in the channel of the electric compact shelf is very important, and if the people or the objects in the channel cannot be detected or are missed, the people or the objects are extruded to generate safety accidents in the moving process of the electric compact shelf.
Disclosure of Invention
At present, a plurality of safety protection devices are provided, for example, infrared rays are installed at a channel inlet, or infrared ray correlation devices are installed along a compact shelf chassis, the protection devices are limited, detection blind areas exist, the protection devices cannot detect in all directions, a safety grating is the best detection mode, but the safety grating is required to have good anti-interference capability based on safety consideration, and the detection accuracy is improved.
The invention aims to provide a method for detecting whether an obstacle exists by a safety grating.
Another object of the present invention is to provide a system for controlling movement of an electric compact shelf based on detection of a safety grating, which determines whether there is an obstacle output signal through detection of the safety grating, and then uses the signal as a command for moving the electric compact shelf.
The invention is realized by the following technical scheme:
a method for detecting obstacles by a safety grating comprises a transmitting end and a receiving end, wherein the transmitting end is provided with a plurality of infrared transmitters, and the receiving end is provided with a matched signal receiver, and is characterized in that: carrying out light source signal coding on each infrared emitter and the corresponding position point of the signal receiver, wherein the signal receiver only processes the infrared light source signals sent by the infrared emitters of the corresponding position points and ignores the infrared light source signals of other position points;
in a cycle transmitting period, a transmitting end sends out a synchronous signal, a receiving end receives the synchronous signal, an infrared transmitter at the transmitting end sequentially transmits infrared light source signals, and the receiving end sequentially receives corresponding infrared light source signals; if any signal receiver at the receiving end does not receive the infrared light source signal of the corresponding site in the transmitting cycle period, judging that the grating area has an obstacle, generating an alarm signal and outputting which site is blocked; otherwise, the raster region has no obstacle, and the next cycle period detection is continuously executed.
In a specific embodiment of the invention, the obstacle in a long distance range is detected, a plurality of safety gratings are connected in series, the safety gratings connected in series work in sequence, the next safety grating starts to work after the previous safety grating finishes detection, and the safety grating at the front end starts to work until the safety grating at the tail end finishes detection.
In a specific embodiment of the invention, the obstacle in a long distance range is detected, a plurality of safety gratings are connected in series, the safety gratings connected in series work for a plurality of times, and adjacent safety gratings do not work at the same time.
In a specific embodiment of the invention, each pair of safety gratings is numbered, the odd pairs of safety gratings work simultaneously, the even pairs of safety gratings work simultaneously, and the work is performed sequentially according to the cycle of odd pairs-even pairs-odd pairs.
The invention provides a mobile control system of an electric compact shelf, which comprises a mobile control unit and a detection unit, wherein the detection unit comprises a safety grating for detecting whether barriers exist in a channel of the electric compact shelf, the safety grating comprises a transmitting end and a receiving end, the transmitting end is provided with a plurality of infrared transmitters, and the receiving end is provided with a matched signal receiver, and the mobile control system is characterized in that: carrying out light source signal coding on each infrared emitter and the corresponding position point of the signal receiver, wherein the signal receiver only processes the infrared light source signals sent by the infrared emitters of the corresponding position points and ignores the infrared light source signals of other position points;
in a cycle transmitting period, a transmitting end sends out a synchronous signal, a receiving end receives the synchronous signal, an infrared transmitter at the transmitting end sequentially transmits infrared light source signals, and the receiving end sequentially receives corresponding infrared light source signals; if any signal receiver at the receiving end does not receive the infrared light source signal of the corresponding site in the transmitting cycle period, judging that the grating area has an obstacle, generating an alarm signal and outputting which site is blocked; otherwise, the raster region has no obstacle, and the next cycle period detection is continuously executed.
In a specific embodiment of the invention, the obstacle in a long distance range is detected, a plurality of safety gratings are connected in series, the safety gratings connected in series work in sequence, the next safety grating starts to work after the previous safety grating finishes detection, and the safety grating at the front end starts to work until the safety grating at the tail end finishes detection.
In a specific embodiment of the invention, the obstacle in a long distance range is detected, a plurality of safety gratings are connected in series, the safety gratings connected in series work for a plurality of times, and adjacent safety gratings do not work at the same time.
In a specific embodiment of the invention, each pair of safety gratings is numbered, the odd pairs of safety gratings work simultaneously, the even pairs of safety gratings work simultaneously, and the work is performed sequentially according to the cycle of odd pairs-even pairs-odd pairs.
In one embodiment of the invention, the two sides of any electric compact shelf are provided with the transmitting ends, and the two sides of the adjacent electric compact shelves are provided with the receiving ends matched with the transmitting ends.
The invention also provides an application of the electric compact shelf mobile control system, which comprises the safety detection of the channel for ground reflection and/or long-distance detection.
The embodiment of the invention at least has the following advantages or beneficial effects:
first, the existing dense shelf grating is installed along the chassis and is very close to the ground, and the smooth ground reflects light to other receivers in adjacent columns, causing signal interference. As shown in fig. 6, the light emitting source of the
Secondly, the safety gratings in the channel are connected in series, and when the length of the channel is small, each pair of gratings works in sequence; as the length is increased, the number of the gratings connected in series is increased, the waiting time of each pair of the safety gratings is longer, people or objects in a channel cannot be detected in time, the adjacent safety gratings do not work simultaneously, and because the pair of the gratings is spaced in the middle, the odd number of the pairs of the gratings do not interfere with each other when working; and when the even number of pairs of gratings work, the gratings do not interfere with each other, and actual tests prove that the gratings can work normally.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic diagram of grating transmission and reception;
FIG. 2 is a schematic diagram showing the diffusion of emitted light in practical use;
FIG. 3 is a view showing a light emission sequence of a safety grating with a sync head, codes;
FIG. 4 is a schematic diagram of a plurality of pairs of safety gratings connected in series and working sequentially;
FIG. 5 is a schematic diagram of a plurality of pairs of safety gratings connected in series and emitting odd-numbered rows simultaneously;
FIG. 6 is a schematic diagram illustrating the interference reception of a safety grating signal by ground reflection in an actual situation;
FIG. 7 is a schematic diagram of the installation position of the safety grating and the signal reception of the present invention;
FIG. 8 shows a pin layout of XH2.54-5 core print according to the invention
FIG. 9 is a schematic diagram of a transmitting end of the present invention;
FIG. 10 is a schematic diagram of a receiving end of the present invention;
FIG. 11 is a schematic diagram of determining occlusion according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.