CN111493527A - Library is with multi-functional book arrangement car - Google Patents

Abstract

The invention discloses a multifunctional book tidying vehicle for a library, which comprises a vehicle body, wherein the vehicle body comprises a vehicle frame, a driving system, a main control system and a navigation system; the driving system, the navigation system and the main control system are all positioned on the frame; the main control system comprises an embedded single chip microcomputer module, a wireless communication module and a display module; the display module is connected with the single chip microcomputer module, and the single chip microcomputer module is connected with a server of the book retrieval system through the wireless communication module; the driving system and the navigation system are both connected with the main control system; the driving system comprises a servo motor, a turbine speed reducer, a transmission shaft and a driving wheel, wherein the servo motor inputs power to the transmission shaft through the turbine speed reducer, the transmission shaft is connected with the driving wheel, and a locking device is arranged on the driving wheel; the servo motor is connected with the single chip microcomputer module; the whole book trolley realizes the automation of the whole process, reduces the working strength of workers and improves the working efficiency.

Description

A multifunctional book cart for library

technical field

The invention belongs to the field of library transport vehicles, in particular to a multifunctional book vehicle for libraries.

Background technique

The library is a public place that is convenient for people to study and consult materials; the library has a large collection of books, and the corresponding borrowing volume is also large. After each book is returned, the staff of the library must put it in its On the original bookshelf, the work process is very troublesome and the workload is heavy. In addition, in order to save space, the bookshelves of the library usually adopt a vertical arrangement of five or six layers, which are generally high in height. When the staff picks up or arranges the books on the upper bookshelf, they have to carry stools and other objects. It is very troublesome to put it under your feet; in public libraries and university libraries, there is a phenomenon that readers place books at will after reading them. When readers search for books according to the book location information provided by the book retrieval system, they often cannot find the books they are looking for, which brings great problems to readers and management. Due to the huge number of books and files in libraries and archives , The work intensity of the staff when carrying books and files is relatively large, so it is necessary to use a special book carrier to move and return books.

Therefore, how to provide a library-specific book carrier that can facilitate the staff to carry books, pick, place or organize the books on the upper shelf, and reduce the work intensity of the staff has become a technical problem to be solved urgently by those skilled in the art.

SUMMARY OF THE INVENTION

In view of the above problems, the present invention proposes a multifunctional book cart for library, which can retrieve book-related information of the book retrieval service center through the main control system, determine the position of the book, and pass the driving system and the navigation system through the book cart. The automatic operation of the trolley is realized, which changes the traditional way of manually pushing the trolley, reduces the work intensity of the staff, and improves the work efficiency.

The invention provides a multifunctional book cart for library, comprising a car body, wherein the car body includes a frame, a main control system and a drive system; universal wheels are installed on the four corners of the bottom of the frame, Both the drive system and the main control system are located on the frame;

The main control system includes an embedded microcontroller module, a wireless communication module and a display module; the display module is a display screen, which includes a display unit and a scanning unit;

The display unit and the scanning unit are respectively connected with the single-chip module, and the single-chip module is connected with the external device through the wireless communication module; the information obtained by the scanning unit is transmitted to the external device through the single-chip module and the wireless communication module, obtains the geographic location of the book, and Display through the display unit;

The drive system is installed in the middle part of the bottom of the frame, the drive system includes a servo motor, a turbo reducer, a transmission shaft and a drive wheel, and the servo motor inputs power to the transmission shaft via the turbo reducer , the transmission shaft is connected with the drive wheel, the drive wheel drives the universal wheel to move, and the servo motor is connected with the single-chip microcomputer module.

In one embodiment, the vehicle body further includes a ladder mounted on one side of the vehicle frame; the ladder includes two parallel support rods, and two parallel chutes are arranged on one side of the vehicle frame , the sliding groove is provided with a sliding block hinged with the upper ends of the two parallel support rods, a pedal is arranged between the two parallel support rods, and the pedal is hinged between the two parallel support rods, and each pedal The connecting rod is connected by a connecting rod; an intermediate connecting rod is hinged between the connecting rod and the chute; The slot is provided with a positioning socket matched with the positioning plug.

In one embodiment, rubber pads are fixedly connected to the bottoms of the two parallel support rods, and the bottoms of the rubber pads are provided with anti-skid lines.

In one embodiment, the wireless communication module includes one or more of the following: a 5G module, a WiFi module and a ZigBee module.

In one embodiment, the display unit is an ARM touch screen, the ARM touch screen is located in the middle area of the display screen, and the scanning unit is located in the lower area of the ARM touch screen; the display screen is rotated in various directions. scanning.

In one embodiment, the vehicle body further includes a navigation system, the navigation system includes a positioning sensor, an obstacle avoidance sensor and a navigation unit, the positioning sensor and the obstacle avoidance sensor are connected with the navigation unit, and the vehicle body is planned The navigation unit is connected with the single-chip microcomputer module of the control system.

In one embodiment, the obstacle avoidance sensor is arranged at the middle part of the front surface of the vehicle body, and the positioning sensor is arranged at the bottom of the vehicle body.

In one embodiment, the frame is provided with a flat plate for placing books; the flat plate is provided with a book stand, the book stand is composed of two slider limiters and a partition plate, the slider limit The stoppers are arranged on both sides of the flat plate, and the bottom ends of the partitions are installed on the two slider stoppers, and the placement range of the book is limited by the sliding of the slider stoppers.

In one embodiment, a push handle is fixedly connected to the front end and/or the rear end of the frame, and a protective cover is sleeved on the surface of the push handle.

The invention provides a multifunctional book cart for library. The book cart is provided with a main control system, a driving system and a navigation system. The book related information of the book retrieval service center can be directly retrieved through the main control system to determine The location of the book is displayed, and the information is displayed on the display module, and the automatic operation of the trolley is realized through the driving system and the navigation system, which changes the traditional manual cart method, reduces the work intensity of the staff, and improves the work efficiency.

Other features and advantages of the present invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description, claims, and drawings.

The technical solutions of the present invention will be further described in detail below through the accompanying drawings and embodiments.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

FIG. 1 is a schematic diagram of a multifunctional book cart for a library provided by an embodiment of the present invention.

FIG. 2 is a schematic structural diagram of a multifunctional book cart for a library provided by an embodiment of the present invention.

FIG. 3 is a schematic diagram of a driving system provided by an embodiment of the present invention.

FIG. 4 is a schematic diagram illustrating the development of a multifunctional book cart ladder for a library according to an embodiment of the present invention.

FIG. 5 is a schematic diagram of stowage of the ladder of the multifunctional book cart for library according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of a flat plate and a book stand provided by an embodiment of the present invention.

Among them, 1-frame, 2-main control system, 3-drive system, 4-ladder, 5-navigation system, 6-tablet, 7-book stand, 8-push handle, 11-universal wheel, 21-microcontroller module , 22-wireless communication module, 23-display module, 31-servo motor, 32-turbine reducer, 33-transmission shaft, 34-drive wheel, 41-support rod, 42-chute, 43-pedal, 44-connection Rod, 45-intermediate link, 71-slide limiter, 72-partition.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art.

As shown in Figures 1-2, the present invention provides a multifunctional book cart for library, the body of which includes a frame 1, a main control system 2, and a drive system 3; the bottom of the frame 1 is installed on four corners There are universal wheels 11, and the drive system 3 and the main control system 2 are both located on the frame 1;

The main control system 2 includes an embedded microcontroller module 21, a wireless communication module 22 and a display module 23; the display module 23 is a display screen, which includes a display unit and a scanning unit;

The display unit and the scanning unit are respectively connected with the single-chip module 21, and the single-chip module 21 is connected with an external device through the wireless communication module 22, wherein the external device can be a server of the book retrieval system; the information obtained by the scanning unit passes through the single-chip module 21 and the wireless communication module 22. Transfer to an external device to obtain the geographic location of the book and display it through the display unit;

As shown in FIG. 3 , the drive system 3 is installed in the middle part of the bottom of the frame 1 . The drive system 3 includes a servo motor 31 , a turbo reducer 32 , a transmission shaft 33 and a drive wheel 33 , and the servo motor 31 inputs power through the turbo reducer 32 . To the drive shaft 33, the drive shaft 33 is connected to the drive wheel 34, the drive wheel 34 drives the universal wheel 11 to move, and the servo motor 31 is connected to the single-chip module 21; in order to ensure the smooth running of the vehicle body, the drive wheel can fully contact the ground, in the design process Guide rods and springs have been added.

In this embodiment, the display module 23 is located above the vehicle frame, and a power switch is provided on the side of the vehicle body. When the power is turned on, the main control system 2 and the drive system 3 can work. When the scanning unit scans the barcode When the scanning unit converts the reflected light into a digital signal and transmits it to the single-chip microcomputer module, the single-chip microcomputer module 21 sends the received digital signal to the central server connected to the book retrieval system through the wireless communication module, and the central server receives the digital information. , the location information of the book or the retrieval error information after the retrieval is successful is sent back to the wireless communication module. If the retrieval is successful, the single-chip module 21 sends the location information of the book to the display screen to display the location of the book, and the display screen shows that the retrieval is successful. When it fails, the display screen will show Retrieval Failed.

Further, the drive system 3 realizes the movement of the trolley by electrically driving the driving wheels 34, and is driven by the servo motor 31 to ensure the running accuracy of the trolley, and can achieve precise movement in straight lines and turns; It is laborious to push only by people, and there are many bookshelves in the library, and the numbering is complicated. It is a huge project to put books on the designated bookshelves. It can save manpower. When the power of the trolley is insufficient, the trolley can be manually pushed to provide power.

As shown in FIGS. 4-5 , in one embodiment, the vehicle body further includes a ladder 4 , and the ladder 4 is installed on one side of the vehicle frame 1 ; The parallel chute 42, the chute 42 is provided with a sliding block hinged with the upper ends of the two parallel support rods 41 respectively, a pedal 43 is provided between the two parallel support rods 41, and the pedal 43 is hinged between the two parallel support rods 41. The pedals 43 are connected by a connecting rod 44; an intermediate link 45 is hinged between the connecting rod 44 and the chute 42; There are positioning holes matched with the positioning pins.

In this embodiment, when the multifunctional book cart uses the book ladder function, open the two parallel support rods 41 to the position as shown in FIG. In the positioning jack, the movement of the two parallel support rods 41 is restricted; when the multi-functional book cart retracts the book ladder function, fold the two parallel support rods 41 to the position as shown in Figure 5, and then insert the positioning pin into the chute 42 In the corresponding positioning holes at the upper end, the two parallel support rods 41 are prevented from sliding downward; when the book ladder is unfolded, it can be used as a support to stand on the pedals to pick and place or arrange the books on the upper shelf of the library without moving it. Another tool is placed under the feet, which reduces the workload of the staff when carrying and storing books. The operation is simple, the design is reasonable, it is convenient and practical, and it saves time and effort.

Further, rubber pads are fixedly connected to the bottoms of the two parallel support rods 41, and the bottoms of the rubber pads are provided with anti-skid lines. The rubber pads can make the contact between the base and the ground more stable, and the anti-skid lines can prevent the support rods from moving, which is better. increase the friction with the ground.

In one embodiment, the wireless communication module 22 includes one or more of the following: a 5G module, a WiFi module, a ZigBee module, a Bluetooth module, and the like.

In one embodiment, the display unit is an ARM touch screen, the ARM touch screen is located in the middle area of the display screen 23, and the scanning unit is located in the lower area of the ARM touch screen; The rotation shaft and the transmission shaft realize rotation, and the transmission shaft drives the rotation shaft to rotate through a drive motor, wherein the drive motor is connected with the single-chip microcomputer module.

In this embodiment, when the retrieval by means of the scanning unit fails, the retrieval can be performed again by inputting the name of the book on the touch screen to obtain the position of the book, and the displayed screen can be rotated, so the user can move in any direction of the trolley. Scanning is more convenient for users to use.

In one embodiment, the vehicle body further includes a navigation system 5, and the navigation system 5 includes a positioning sensor, an obstacle avoidance sensor and a navigation unit. The positioning sensor and the obstacle avoidance sensor are connected with the navigation unit to plan the walking path of the vehicle body; the navigation unit is connected to the control unit. The single-chip module 21 of the system 2 is connected; wherein, the obstacle avoidance sensor is located in the middle part of the front surface of the vehicle body, and the positioning sensor is located at the bottom of the vehicle body. The model of the obstacle avoidance sensor is C380-D50NK, and its sensing distance is 2- 50cm, the positioning sensor is installed at the bottom of the vehicle body near the center, that is, near the driving wheel.

In this embodiment, a predetermined position is set on the display interface of the touch screen according to the position information obtained by the positioning sensor, and then the book position information obtained after scanning the QR code of the book is set as the end position, and the navigation device plans and sets the running path. , There are several set running routes, the user can choose according to their needs, press to start navigation, the car body will walk in the position according to the set route under the guidance of precision guidance, and the display screen will also display manual There are two options: manual mode or automatic mode. If manual mode is selected, the cart will move forward manually according to the specified route. In automatic mode, the servo motor will be controlled by the single-chip module to drive the cart to move.

Further, when the obstacle avoidance sensor on the vehicle body detects an obstacle, it will decelerate to a stop, and then wait for a preset time, for example, the preset time is 30s. If the obstacle is removed, it will drive on the original route. If the obstacle still exists, the navigation unit will re-plan the route according to the current position, and re-walk to the end position according to the specified route.

As shown in FIG. 6 , in one embodiment, the frame 1 is provided with a flat plate 6 for placing books; a book stand 7 is provided on the flat plate, and the book stand 7 is composed of two slider limiters 71 and a partition 72 , the slider limiters 71 are arranged on both sides of the flat plate 6, the bottom end of the partition plate 72 is installed on the two slider limiters 71, and the sliding of the slider limiters 71 limits the placement range of books.

In one embodiment, a push handle 8 is fixedly connected to the front and/or rear end of the frame 1, a protective cover is sleeved on the surface of the push handle 8, and the push handle is used to manually push the trolley to provide power for the trolley;

In this embodiment, the effect of fixing the books can be achieved by setting the book stand on the flat plate. During the transportation of books, when fewer books are placed on the book transporter, the books are likely to be overturned and scattered. The book stand limits the books to prevent the books from being overturned and scattered, and protects some precious books from being damaged due to falling. The plates on the frame can be disassembled. The number of plates is set according to the number of books. There is a chute inside the frame, and there are limit blocks on both sides of the chute to prevent the plane from sliding in the chute.

The invention provides a multifunctional book cart for library, wherein the book cart is provided with a main control system, a driving system and a navigation system, and the book related information of the book retrieval service center can be directly retrieved through the main control system, The location of the book is determined, the information is displayed on the display module, and the automatic operation of the trolley is realized through the driving system and the navigation system, which changes the traditional manual cart method, reduces the work intensity of the staff, and improves the work efficiency.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention. Thus, provided that these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims (9)

1. A multifunctional book cart for library, comprising a car body, characterized in that the car body comprises a frame (1), a main control system (2), and a drive system (3); the frame ( 1) Universal wheels (11) are installed on the four corners of the bottom, and the drive system (3) and the main control system (2) are both located on the frame (1); The main control system (2) includes an embedded single-chip module (21), a wireless communication module (22) and a display module (23); the display module (23) is a display screen, which includes a display unit and a scanning unit; The display unit and the scanning unit are respectively connected with the single-chip microcomputer module (21), and the single-chip microcomputer module (21) is connected with the external equipment through the wireless communication module (22); the information obtained by the scanning unit passes through the single-chip microcomputer module (21) and the wireless communication module. (22) transfer to an external device, obtain the geographic location of the book, and display it through a display unit; The drive system (3) is mounted on the middle part of the bottom of the frame (1), and the drive system (3) includes a servo motor (31), a turbo reducer (32), a transmission shaft (33) and a drive wheel (34), the servo motor (31) inputs power to the transmission shaft (33) via the turbo reducer (32), the transmission shaft (33) is connected to the driving wheel (34), and the driving The wheel (34) drives the universal wheel (11) to move, and the servo motor (31) is connected with the single chip module (21). 2. The multifunctional book cart for library according to claim 1, wherein the cart body further comprises a ladder (4), and the ladder (4) is mounted on the frame (1) one side of the frame (1); the ladder (4) includes two parallel support rods (41), and two parallel chute (42) are provided on one side of the frame (1), and the chute (42) is provided with A sliding block hinged with the upper ends of the two parallel support rods (41) respectively, a pedal (43) is arranged between the two parallel support rods (41), and the pedal (43) is hinged to the two parallel support rods (41) between the pedals (43) are connected by a connecting rod (44); an intermediate link (45) is hinged between the connecting rod (44) and the chute (42); The sliders connected with the parallel support rods (41) are provided with positioning pins, and the two parallel sliding grooves (42) are provided with positioning insertion holes matched with the positioning pins. 3. The multifunctional book cart for library as claimed in claim 2, wherein the bottoms of the two parallel support rods (41) are fixedly connected with rubber pads, and the bottoms of the rubber pads are provided with anti-skid lines . 4. The multifunctional book cart for library according to claim 1, wherein the wireless communication module (22) comprises one or more of the following: a 5G module, a WiFi module and a ZigBee module. 5. The multifunctional book cart for library according to claim 1, wherein the display unit is an ARM touch screen, and the ARM touch screen is located in the middle area of the display screen (23), and the The scanning unit is located in the area below the ARM touch screen; the display screen (23) completes scanning in various directions by rotating. 6 . The multifunctional book cart for library according to claim 1 , wherein the vehicle body further comprises a navigation system ( 5 ), and the navigation system ( 5 ) comprises a positioning sensor and an obstacle avoidance sensor 6 . and a navigation unit, wherein the positioning sensor and the obstacle avoidance sensor are connected with the navigation unit to plan the walking path of the vehicle body; the navigation unit is connected with the single chip module (21) of the control system (2). 7 . The multifunctional book cart for library according to claim 6 , wherein the obstacle avoidance sensor is arranged in the middle part of the front surface of the vehicle body, and the positioning sensor is arranged in the vehicle body. 8 . bottom of the body. 8 . The multifunctional book cart for library according to claim 1 , wherein a flat plate ( 6 ) for placing books is arranged on the frame ( 1 ); and a book stand is arranged on the flat plate. 9 . (7), the book stand (7) is composed of two slider limiters (71) and a partition plate (72), the slider limiter (71) is arranged on the side of the flat plate (6) On both sides, the bottom ends of the partitions (72) are installed on the two slider limiters (71), and the sliding of the slider limiters (71) limits the placement range of books. 9 . The multifunctional book cart for library according to claim 1 , wherein a push handle ( 8 ) is fixedly connected to the front end and/or the rear end of the frame ( 1 ), and the push handle The surface of (8) is sleeved with a protective cover.

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