Wireless control system for RGV (Rail Guided Vehicle)

Abstract

The utility model discloses an RGV rail trolley wireless control system which comprises a main control box, a trolley control box, a first crane remote controller and a second crane remote controller. The first crane remote controller is arranged on the main control box, a plurality of keys and a switch unit are arranged on the first crane remote controller, the switch unit is connected with at least one key in parallel, and the switch unit is electrically connected with the main control unit; and the second crane remote controller is arranged on the trolley control box and is electrically connected with the trolley output unit. During use, the main control unit outputs a trolley action signal to the switch unit to control the switch unit to be switched on so as to simulate the action that the corresponding key is pressed down, the switch unit switch-on signal is detected by the first remote controller and wirelessly transmitted to the second remote controller, and the second remote controller decodes the switch unit switch-on signal and then transmits the switch unit switch-on signal to the trolley output unit so as to control the trolley to move. Therefore, on-site wiring is not needed, and the trolley is wirelessly and remotely controlled by the crane remote controller to automatically run.

Description

Technical Field

[0001] The utility model relates to the technical field of RGV rail trolleys, in particular to a wireless control system for RGV rail trolleys. Background Art

[0002] The battery-driven RGV rail trolley usually includes a track laid on site, a trolley on the track, and a trolley control system, which controls the trolley to run along the track or rise and fall. In actual use, due to the need to lay tracks, safety supports and other structures on site, the trolley control system cannot communicate through tow cables or busbars, and signal linkage cannot be achieved, which in turn makes it impossible to realize automatic operation of the trolley.

[0003] In view of the above technical problems, technical personnel in this field urgently need to design a wireless control system for the trolley, which can realize automatic operation of the trolley without the need for towing cables or busbars. Utility Model Content

[0004] In view of the above-mentioned shortcomings, the technical problem to be solved by the utility model is: to provide a wireless control system for an RGV rail trolley, which mainly utilizes a trolley remote control for wireless communication to realize automatic operation of the trolley.

[0005] In order to solve the above technical problems, the technical solution of the utility model is:

[0006] A RGV rail trolley wireless control system, comprising a main control box and a trolley control box, wherein the main control box is provided with a main control unit, and the trolley control box is provided with a trolley output unit, and the trolley output unit is used to output a trolley action signal; further comprising a first trolley remote controller and a second trolley remote controller; the first trolley remote controller is arranged on the main control box, and the first trolley remote controller is provided with a first remote controller control circuit, a first wireless communication circuit, a plurality of buttons and a switch unit, the first wireless communication circuit and the buttons are respectively electrically connected to the first remote controller control circuit, the switch unit is connected in parallel with at least one of the buttons, and the switch unit is connected to the main control unit The main control unit is used to control the on and off of the switch unit; the second aerial vehicle remote controller is arranged on the trolley control box, and the second aerial vehicle remote controller is provided with an electrically connected second wireless communication circuit and a second remote controller control circuit, the second wireless communication circuit is wirelessly connected to the first wireless communication circuit, and the second remote controller control circuit is electrically connected to the trolley output unit; the main control unit outputs the trolley action signal to the switch unit, and the switch unit transmits the trolley action signal to the second remote controller through the first remote controller, and the second remote controller then transmits the trolley action signal to the trolley output unit, and the trolley control unit controls the movement of the trolley.

[0007] Preferably, the system further comprises a charging box, in which an electrically connected charging power supply, a charging control unit and a charging terminal are provided, and the charging control unit comprises a first travel switch and a charging contactor; when the trolley moves to the charging position, the first travel switch and the charging contactor are actuated to connect the charging power supply and the charging terminal.

[0008] Preferably, the charging control unit further comprises a timer and a charging relay which are electrically connected, and when the timer expires, the charging relay is triggered to disconnect the charging power source and the charging terminal.

[0009] Preferably, the system further comprises a trolley remote controller and a trolley receiver connected by wireless communication, the trolley receiver is arranged on the trolley control box, and the trolley receiver is electrically connected to the trolley output unit.

[0010] A preferred embodiment is that the buttons include an up button, a down button, a forward button and a backward button; the switch unit includes a first intermediate relay, a second intermediate relay, a third intermediate relay and a fourth intermediate relay which are electrically connected to the main control unit respectively, the first intermediate relay is connected in parallel with the up button, the second intermediate relay is connected in parallel with the down button, the third intermediate relay is connected in parallel with the forward button, and the fourth intermediate relay is connected in parallel with the backward button.

[0011] Preferably, the trolley control box is further provided with a forward travel switch and a reverse travel switch, and the forward travel switch and the reverse travel switch are respectively connected to the main control unit through the second trolley remote controller and the first trolley remote controller.

[0012] Preferably, the RGV rail trolley includes a travel motor and a lifting mechanism, and the trolley output unit is electrically connected to the travel motor and the lifting mechanism respectively.

[0013] After adopting the above technical solution, the beneficial effects of the utility model are:

[0014] The RGV rail trolley wireless control system of the utility model includes a main control box, a trolley control box, and a first trolley remote controller and a second trolley remote controller connected by wireless communication, wherein the first trolley remote controller is arranged on the main control box, and a plurality of buttons and switch units are arranged on the first trolley remote controller, the switch unit is at least connected in parallel with one button, the switch unit is electrically connected to the main control unit, and the main control unit is used to control the switch unit on and off; wherein the second trolley remote controller is arranged on the trolley control box, and the second trolley remote controller is electrically connected to the trolley output unit. In actual use, the main control unit automatically outputs the trolley action signal to the switch unit to control the switch unit to be turned on, so as to simulate the action of the corresponding button being pressed, and the switch unit conduction signal is detected by the first remote controller and wirelessly transmitted to the second remote controller, which is decoded by the second remote controller and then transmitted to the trolley output unit, and the trolley output unit controls the movement of the trolley. It can be seen that the utility model does not require on-site wiring, and uses the trolley remote controller to wirelessly control the trolley to automatically run, thereby improving the safety of operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the principle diagram in the main control box of the utility model;

[0016] Figure 2 This is the schematic diagram of the control box of the small and medium-sized vehicle of the utility model;

[0017] Figure 3 It is the principle diagram inside the charging box of the utility model;

[0018] In the figure: 1-main control box, 2-switch unit, 3-first aerial vehicle remote controller, 30-button, 4-second aerial vehicle remote controller, 5-car output unit, 6-car control box, 7-charging box. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0021] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0022] like Figure 1 and Figure 2 As shown, according to an embodiment of the present utility model, the RGV rail trolley wireless control system includes a main control box 1, a trolley control box 6, a first trolley remote control 3 and a second trolley remote control 4.

[0023] A main control unit is arranged in the main control box 1, and the main control unit is but not limited to a PLC, and the PLC is powered by a 24V power supply. A first aerial vehicle remote controller 3 is arranged on the main control box 1, and a first remote controller control circuit, a first wireless communication circuit, a plurality of buttons 30 and a switch unit 2 are arranged on the first aerial vehicle remote controller 3. The first wireless communication circuit and the button 30 are electrically connected to the first remote controller control circuit respectively, and the switch unit 2 is arranged in parallel with at least one button 30. The switch unit 2 is electrically connected to the main control unit, and the main control unit is used to control the switch unit 2 to be turned on and off, and the first remote controller control circuit can be electrically connected to the main control unit.

[0024] The trolley control box 6 is provided with a trolley output unit 5, which is used to output the trolley action signal. Specifically, the trolley output unit 5 is electrically connected to the travel motor and the lifting mechanism of the RGV track trolley respectively to control the RGV track trolley to move forward, backward, rise, and fall, etc. The trolley control box 6 is provided with a second trolley remote controller 4, and the second trolley remote controller 4 is provided with an electrically connected second wireless communication circuit and a second remote controller control circuit. The second wireless communication circuit is wirelessly connected to the first wireless communication circuit, that is, the first trolley remote controller 3 is wirelessly connected to the second trolley remote controller 4, and the second remote controller control circuit is electrically connected to the trolley output unit 5.

[0025] It should be noted that the first vehicle remote controller 3 and the second vehicle remote controller 4 used in the present invention are both remote controllers of existing vehicles, and the first remote controller control circuit of the first vehicle remote controller 3 can be a 51 series single chip microcomputer, and similarly, the second remote controller control circuit of the second vehicle remote controller 4 can be a 51 series single chip microcomputer. Usually, the vehicle remote controller is provided with an up button, a down button, a forward button, a backward button, a left move button, and a right move button.

[0026] like Figure 1As shown, the utility model mainly utilizes the up button, down button, forward button and backward button of the first aerial vehicle remote controller 3, and the corresponding switch unit 2 includes a first intermediate relay KA1, a second intermediate relay KA2, a third intermediate relay KA3 and a fourth intermediate relay KA4, and the first intermediate relay KA1, the second intermediate relay KA2, the third intermediate relay KA3 and the fourth intermediate relay KA4 are electrically connected to the main control unit respectively, and the main control unit triggers the first intermediate relay KA1, the second intermediate relay KA2, the third intermediate relay KA3 and the fourth intermediate relay KA4 to act.

[0027] The first intermediate relay KA1 is arranged in parallel with the rising button. Specifically, a wire is led out from each end of the rising button, and the wires at both ends are electrically connected to the first intermediate relay KA1 respectively. The electromagnetic coil of the first intermediate relay KA1 is electrically connected to the main control unit. When the main control unit controls the RGV rail trolley to rise, it triggers the electromagnetic coil of the first intermediate relay KA1, so that the first intermediate relay KA1 is turned on to simulate the pressing action of the rising button. When the action of the first intermediate relay KA1 is detected by the first remote control control circuit, it outputs the corresponding trolley rising signal to the first wireless communication circuit, and the first wireless communication circuit wirelessly transmits the trolley rising signal to the second wireless communication circuit, that is, the trolley action signal is wirelessly transmitted to the trolley control box 6. After decoding, the second wireless communication circuit transmits the trolley rising signal to the second remote control control circuit, and the second remote control control circuit then transmits the trolley rising signal to the trolley output unit 5, see Figure 2 As shown, the final trolley output unit 5 controls the RGV rail trolley to perform the ascending action, thereby realizing the automatic control of the ascending of the RGV rail trolley.

[0028] The second intermediate relay KA2 is connected in parallel with the down button. The specific parallel connection method is the same as that of the up button, which will not be described in detail. The electromagnetic coil of the second intermediate relay KA2 is electrically connected to the main control unit. When the main control unit controls the RGV rail trolley to descend, it triggers the electromagnetic coil of the second intermediate relay A2, making the second intermediate relay KA2 actuated and turned on to simulate the pressing action of the down button. The wireless transmission process of the trolley descending action signal is the same as the transmission method of the trolley ascending action signal. Figure 2 As shown, no further description is given here. It can be seen that the utility model also realizes the automatic control of the descent of the RGV track trolley.

[0029] The third intermediate relay KA3 is connected in parallel with the forward button. The specific parallel connection method is the same as that of the upward button, which will not be described in detail. The electromagnetic coil of the third intermediate relay KA3 is electrically connected to the main control unit. When the main control unit controls the RGV track trolley to move forward, it triggers the electromagnetic coil of the third intermediate relay KA3, making the third intermediate relay KA3 actuated and turned on to simulate the pressing action of the forward button. The wireless transmission process of the trolley forward action signal is the same as the transmission method of the trolley upward action signal. Figure 2 As shown, no further description is given here. It can be seen that the utility model also realizes the automatic control of the advancement of the RGV track trolley.

[0030] The fourth intermediate relay KA4 is connected in parallel with the back button. The specific parallel connection method is the same as that of the up button, so it will not be described in detail. The electromagnetic coil of the fourth intermediate relay KA4 is electrically connected to the main control unit. When the main control unit controls the RGV track trolley to move backward, it triggers the electromagnetic coil of the fourth intermediate relay KA4, making the fourth intermediate relay KA4 act and conduct to simulate the pressing action of the back button. The wireless transmission process of the trolley back action signal is the same as the transmission method of the trolley up action signal. Figure 2 As shown, no further description is given here. It can be seen that the utility model also realizes the automatic control of the RGV track trolley backward.

[0031] In summary, the RGV rail trolley wireless control system of the utility model realizes automatic operation control of the trolley by utilizing the remote control of the on-site trolley, and does not require on-site wiring, and does not require the use of tow cables or busbars, thereby improving the safety of operation and having the advantages of simple structure, low cost and easy implementation.

[0032] In some embodiments of the utility model, a forward stroke switch and a backward stroke switch are also provided on the trolley control box 6, and the forward stroke switch and the backward stroke switch are respectively connected to the main control unit through the second trolley remote controller 4 and the first trolley remote controller 3. When the trolley moves forward to the designated position, the forward stroke switch is turned on, and it transmits the corresponding forward position signal to the second remote controller control circuit, and the second remote controller control circuit transmits the corresponding forward position signal to the second wireless communication circuit, and the second wireless communication circuit wirelessly transmits the forward position signal to the first wireless communication circuit, and the first wireless communication circuit transmits it to the first remote controller control circuit, and the first remote controller control circuit outputs it to the main control unit, so that the main control unit knows the running status of the trolley. The backward position signal detected by the backward stroke switch and its transmission process to the main control unit are the same as those of the forward stroke switch, and will not be described repeatedly.

[0033] like Figure 3As shown, in some embodiments of the utility model, the RGV rail trolley wireless control system also includes a charging box 7, in which an electrically connected charging power supply, a charging control unit and a charging terminal are arranged, wherein the charging control unit includes a first travel switch SQ1 and a charging contactor; when the trolley moves to the charging position, the first travel switch SQ1 and the charging contactor are actuated to connect the charging power supply and the charging terminal. The charging power supply can be connected to the mains or a mobile power supply.

[0034] In a preferred solution, the electric control unit further comprises an electrically connected timer and a charging relay, and when the timer expires, the charging relay is triggered to disconnect the charging power supply and the charging terminal.

[0035] When the RGV track trolley moves to the charging position and the charging terminal is inserted into the trolley, the first travel switch acts to connect the charging power supply and the charging terminal, and the timer starts to start charging. When the timing is up, it transmits an electrical signal to the charging relay, triggering the charging relay to disconnect, disconnecting the charging terminal from the charging power supply, thereby realizing automatic power off during charging and improving charging safety.

[0036] like Figure 2 As shown, in some embodiments of the utility model, the RGV rail trolley wireless control system also includes a trolley remote control and a trolley receiver connected by wireless communication. The trolley receiver is arranged on the trolley control box 6, and the trolley receiver is electrically connected to the trolley output unit 5.

[0037] By setting up the trolley remote controller and the trolley receiver, the trolley can be manually controlled to meet different usage requirements on site. The trolley remote controller can be provided with an up button, a down button, a forward button, a backward button, an emergency stop button, a forward brake button and / or a backward button, so that the user can realize various controls of the trolley by manually operating the trolley remote controller.

[0038] In addition, the remaining buttons on the first aerial vehicle remote control 3, such as the left shift button, can be used as an emergency stop button. At this time, a fifth intermediate relay can be set, and the fifth intermediate relay is set in parallel with the left shift button. The electromagnetic coil of the fifth intermediate relay is electrically connected to the main control unit. When the main control unit outputs an emergency stop signal, it can also be wirelessly transmitted to the trolley control box to stop the trolley in an emergency, thereby further improving the operation safety.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications made within the spirit and principles of the present invention, improvements of the RGV rail trolley wireless control system, etc., should be included in the protection scope of the present invention.

Claims

1. A RGV rail trolley wireless control system, comprising a main control box and a trolley control box, wherein the main control box is provided with a main control unit, and the trolley control box is provided with a trolley output unit, and the trolley output unit is used to output a trolley action signal; characterized in that: Also included are a first aerial vehicle remote controller and a second aerial vehicle remote controller; The first aerial vehicle remote controller is arranged on the main control box, and is provided with a first remote controller control circuit, a first wireless communication circuit, a plurality of buttons and a switch unit, the first wireless communication circuit and the buttons are electrically connected to the first remote controller control circuit respectively, the switch unit is connected in parallel with at least one of the buttons, the switch unit is electrically connected to the main control unit, and the main control unit is used to control the switch unit to be turned on and off; The second aerial vehicle remote controller is arranged on the vehicle control box, and the second aerial vehicle remote controller is provided with a second wireless communication circuit and a second remote controller control circuit which are electrically connected, the second wireless communication circuit is wirelessly connected to the first wireless communication circuit, and the second remote controller control circuit is electrically connected to the vehicle output unit; The main control unit outputs the trolley action signal to the switch unit, the switch unit transmits the trolley action signal to the second remote controller through the first remote controller, the second remote controller then transmits the trolley action signal to the trolley output unit, and the trolley control unit controls the movement of the trolley.

2. The RGV rail vehicle wireless control system according to claim 1 is characterized in that: The system further comprises a charging box, in which an electrically connected charging power source, a charging control unit and a charging terminal are arranged, and the charging control unit comprises a first travel switch and a charging contactor; When the trolley moves to the charging position, the first travel switch and the charging contactor are actuated to connect the charging power source and the charging terminal.

3. The RGV rail vehicle wireless control system according to claim 2 is characterized in that: The charging control unit further comprises a timer and a charging relay which are electrically connected. When the timer reaches a timing time, the charging relay is triggered to disconnect the charging power source and the charging terminal.

4. The RGV rail vehicle wireless control system according to claim 1 is characterized in that: The system also includes a trolley remote controller and a trolley receiver connected by wireless communication. The trolley receiver is arranged on the trolley control box, and the trolley receiver is electrically connected to the trolley output unit.

5. The RGV rail vehicle wireless control system according to claim 1 is characterized in that: The buttons include an up button, a down button, a forward button and a backward button; The switch unit includes a first intermediate relay, a second intermediate relay, a third intermediate relay and a fourth intermediate relay which are electrically connected to the main control unit respectively, the first intermediate relay is connected in parallel with the up button, the second intermediate relay is connected in parallel with the down button, the third intermediate relay is connected in parallel with the forward button, and the fourth intermediate relay is connected in parallel with the backward button.

6. The RGV rail vehicle wireless control system according to any one of claims 1 to 5, characterized in that: The trolley control box is also provided with a forward travel switch and a backward travel switch, and the forward travel switch and the backward travel switch are respectively connected to the main control unit through the second trolley remote controller and the first trolley remote controller.

7. The RGV rail vehicle wireless control system according to claim 6 is characterized in that: The RGV rail trolley includes a travel motor and a lifting mechanism, and the trolley output unit is electrically connected to the travel motor and the lifting mechanism respectively.

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