Control system of elevator

Abstract

The utility model provides a control system of an elevator, which comprises a controller, state indicating lamps and an operation box, the state indicating lamps are arranged corresponding to each layer of platform of a stereoscopic warehouse and are electrically connected with the controller, and the state indicating lamps are used for indicating different operation states of the elevator; the operation box is arranged corresponding to each layer of platform of the stereoscopic warehouse and is electrically connected with the controller, and a pause button, a lifting switch and a transfer switch are arranged on the operation box; the pause button is used for switching an automatic control mode and a manual control mode of the elevator; the lifting switch is used for carrying out lifting control on a cargo carrying table of the elevator in the vertical direction when the elevator is in a manual control mode; the transfer switch is used for carrying out transfer control on a cargo carrying table of the elevator in the horizontal direction when the elevator is in a manual control mode; the running state of the elevator can be visually displayed through the arrangement of the state indicator lamp, a user can be permitted to conduct manual intervention when necessary through the arrangement of the operation box, and the flexibility and convenience of operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automatic stereoscopic warehouse, especially relates to a control system of elevator. BACKGROUND

[0002] With the rapid development of modern logistics technology, the automatic stereoscopic warehouse has become the key facility of many enterprises to improve the warehouse efficiency and optimize the resource allocation. The automatic stereoscopic warehouse realizes the high automation and simple operation of goods storage and retrieval through the integration of high-level shelves, elevators, stackers and other intelligent warehousing equipment, greatly improves the space utilization and operation efficiency of the warehouse. Among them, the elevator as the bridge connecting different height shelves undertakes the important task of goods transportation and position conversion, and its performance and stability are directly related to the operation efficiency and safety of the whole stereoscopic warehouse.

[0003] The traditional elevator often focuses on the basic lifting function in design, and there are deficiencies in state indication, operation convenience, positioning accuracy and safety protection mechanism. For example, the lack of intuitive state indicating device makes it difficult for the operator to quickly judge the current state of the elevator; manual operation and automatic control cannot be well balanced, and are highly dependent on the automatic control system, which reduces the flexibility and convenience of operation in special scenarios; the positioning method has low accuracy, which affects the accurate placement of goods; the safety protection mechanism is imperfect, which may cause equipment failure or safety accidents. These problems not only affect the overall operation efficiency of the stereoscopic warehouse, but also increase the operation cost and safety risk.

[0004] Therefore, it is necessary to provide a new technical scheme to solve the above technical problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model provides a control system of elevator to solve at least one of the above technical problems.

[0006] The utility model provides a control system of elevator, and is applied to the stereoscopic warehouse, and includes:

[0007] A controller;

[0008] A state indicating lamp is arranged corresponding to each layer platform of the stereoscopic warehouse and is electrically connected with the controller, and the state indicating lamp indicates different operation states of the elevator by displaying different colors;

[0009] An operation box is arranged corresponding to each layer platform of the stereoscopic warehouse and is electrically connected with the controller, and the operation box is provided with a pause button, a lifting switch and a moving switch; the pause button is used for switching an automatic control mode and a manual control mode of the elevator; the lifting switch is used for controlling vertical lifting of the loading platform of the elevator in the manual control mode; and the moving switch is used for controlling horizontal moving of the loading platform of the elevator in the manual control mode.

[0010] According to the control system of the elevator, the state indicating lamp comprises a first color indicating lamp, a second color indicating lamp and a third color indicating lamp;

[0011] When the first color indicating lamp is lighted, it is prompted that the elevator is in a fault state; when the second color indicating lamp is lighted, it is prompted that the elevator is in a standby state; when the third color indicating lamp is lighted, it is prompted that the elevator is in an automatic control mode; and when the second color indicating lamp and the third color indicating lamp are lighted simultaneously, it is prompted that the elevator is in a manual control mode.

[0012] According to the control system of the elevator, the control system further comprises a siren, the siren is electrically connected with the controller, and the controller controls the siren to emit a siren alarm sound in the case that the state indicating lamp prompts that the elevator is in a fault state.

[0013] According to the control system of the elevator, the control system further comprises a chain breakage protection switch, the chain breakage protection switch is arranged at a connection position between the loading platform and the chain of the elevator and is electrically connected with the controller; and the chain breakage protection switch is triggered in the case that the chain is broken, and the controller is used for locking the position of the loading platform.

[0014] According to the control system of the elevator, the control system further comprises a speed switching switch, the speed switching switch is electrically connected with the controller, and the speed switching switch is triggered to switch a high-speed running mode and a low-speed running mode of the elevator.

[0015] According to the control system of the elevator, the control system further comprises a limit switch, the limit switch is electrically connected with the controller, and the limit switch is triggered to limit the lifting position of the loading platform.

[0016] According to the control system of the elevator, the control system further comprises an overspeed protection switch, the overspeed protection switch is electrically connected with the controller; and the overspeed protection switch is triggered in the case that the lifting speed of the loading platform exceeds a preset speed threshold, and the controller is used for controlling the elevator to stop the lifting movement of the loading platform.

[0017] The control system of the elevator further comprises a cargo deviation protection switch, the cargo deviation protection switch is electrically connected with the controller, in the case that the cargo on the cargo loading platform deviates, the cargo deviation protection switch is triggered, and the controller is used for controlling the elevator to stop running.

[0018] The control system of the elevator further comprises an alignment detection device, the alignment detection device is arranged corresponding to each platform of the stereoscopic warehouse and is electrically connected with the controller, and is used for detecting whether the elevator is aligned with the platform of the preset layer of the stereoscopic warehouse.

[0019] The control system of the elevator further comprises a laser ranging device, which is arranged on the ground of the stereoscopic warehouse and is electrically connected with the controller.

[0020] The bottom surface of the cargo loading platform is provided with a reflecting plate, the laser ranging device is used for emitting laser to the reflecting plate and receiving the laser reflected by the reflecting plate, so as to obtain the lifting distance of the cargo loading platform, and is further used for transmitting the lifting distance of the cargo loading platform to the controller.

[0021] The controller positions the lifting position of the cargo loading platform according to the height parameter of each platform of the stereoscopic warehouse and the lifting distance of the cargo loading platform.

[0022] The above technical scheme of the utility model has the following beneficial effects:

[0023] The control system of the elevator of the utility model, by setting state indicating lamp on each platform of stereoscopic warehouse, can directly show the running state of elevator according to the different color of state indicating lamp, and the current state of elevator is quickly judged by the user, at the same time, the utility model also sets operation box on each platform of stereoscopic warehouse, realizes the switching of automatic control mode and manual control mode of elevator through the pause button on operation box, realizes the lifting control of the cargo loading platform of elevator in vertical direction under manual control mode through the lifting switch on operation box, also realizes the removal and loading control of the cargo loading platform of elevator in horizontal direction under manual control mode through the removal and loading switch on operation box, improves the flexibility and convenience of elevator operation, the whole control system can improve the overall operation efficiency of stereoscopic warehouse and reduce operation cost. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Figure 1 The control system of the elevator provided by the present application is shown in the structural diagram.

[0026] Figure 2 The working principle circuit diagram of the elevator provided by the present application.

[0027] Reference signs:

[0028] 101, air switch; 102, frequency converter; 103, intermediate relay; 104, motor; 105, motor brake rectifier; 106, AC contactor; 107, intermediate relay normally open point. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme of the present application will be described clearly and completely in the following with reference to the drawings in the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0030] Referring to Figure 1 The present application provides a control system of an elevator, which is applied to a stereoscopic warehouse, and includes a controller, a state indicator lamp and an operation box. The state indicator lamp is arranged corresponding to each platform of the stereoscopic warehouse and is electrically connected with the controller. The state indicator lamp is used to indicate different running states of the elevator by displaying different colors. The operation box is arranged corresponding to each platform of the stereoscopic warehouse and is electrically connected with the controller. The operation box is provided with a pause button, a lifting switch and a transfer switch. The pause button is used to switch between an automatic control mode and a manual control mode of the elevator. The lifting switch is used to control the lifting of the loading platform of the elevator in the vertical direction when the elevator is in the manual control mode. The transfer switch is used to control the transfer of the loading platform of the elevator in the horizontal direction when the elevator is in the manual control mode.

[0031] The state indicating lamp comprises a first color indicating lamp, a second color indicating lamp and a third color indicating lamp.

[0032] The first color indicating lamp is a red indicating lamp, the second color indicating lamp is a green indicating lamp, and the third color indicating lamp is a yellow indicating lamp.

[0033] When manual operation of the elevator is needed, the worker can press the pause button, at this time the elevator becomes a manual control mode, the green indicating lamp and the yellow indicating lamp are lit at the same time, and the lifting switch is moved to control the lifting platform of the elevator in the vertical direction.

[0034] When automatic control of the elevator is needed, the worker can press the pause button again, at this time the pause button is in a pop-up state, the control of the elevator is switched to an automatic control mode, and the yellow indicating lamp is lit.

[0035] The elevator control system can intuitively display the running state of the elevator according to different colors of the state indicating lamp, facilitate the user to quickly judge the current state of the elevator, and effectively improve the operation efficiency of the elevator.

[0036] Further, the control system further comprises a siren, which is arranged on the elevator and is electrically connected with the controller.

[0037] Further, the operation box is further provided with a fault release button, which can be pressed after the elevator fault is eliminated, the fault is released, and the elevator continues to execute the task or enters the standby state.

[0038] In an embodiment, the control system further comprises a chain breakage protection switch, which is arranged at a connection between the loading platform of the elevator and the chain and is electrically connected to the controller. In the case of a chain breakage, the chain breakage protection switch is triggered, and the controller can lock the position of the loading platform to prevent the problems of the loading platform hitting the top and squatting the bottom due to the chain breakage, effectively preventing safety accidents and improving the operation stability and safety of the elevator.

[0039] In an embodiment, the control system further comprises a speed switching switch, which is electrically connected to the controller and is used to switch the high-speed operation mode and the low-speed operation mode of the elevator by triggering the speed switching switch. For example, the low-speed operation mode can be switched at the starting and ending stages of the lifting operation and / or the transfer operation of the loading platform of the elevator, and the high-speed operation mode can be switched at the middle stage of the lifting operation and / or the transfer operation of the loading platform of the elevator, thereby improving the operation efficiency of the elevator and the work efficiency of the whole system.

[0040] In an embodiment, the control system further comprises a limit switch, which is electrically connected to the controller and is used to limit the lifting position of the loading platform by triggering the limit switch.

[0041] In an embodiment, the control system further comprises an overspeed protection switch, which is electrically connected to the controller. In the case that the lifting speed of the loading platform exceeds the preset speed threshold, the overspeed protection switch is triggered, and the controller is further used to control the elevator to stop the lifting movement of the loading platform, effectively preventing equipment failure and safety accidents and improving the operation stability and safety of the elevator.

[0042] In an embodiment, the control system further comprises a cargo deviation protection switch, which is electrically connected to the controller. In the case that the cargo on the loading platform deviates, the cargo deviation protection switch is triggered, and the controller is further used to control the elevator to stop operation to prevent the cargo from falling off the loading platform and causing damage to the cargo.

[0043] In an embodiment, the control system further comprises an alignment detection device, which is arranged corresponding to each platform of each layer of the stereoscopic warehouse and is electrically connected to the controller. The alignment detection device is used to detect whether the elevator is aligned with the platform of the preset layer of the stereoscopic warehouse, thereby improving the accuracy of cargo storage and retrieval.

[0044] In an embodiment, the control system further comprises a laser ranging device arranged on the ground of the stereoscopic warehouse and electrically connected with the controller. The bottom surface of the loading platform is provided with a reflector, the laser ranging device is used for emitting laser to the reflector and receiving the laser reflected by the reflector to obtain the lifting distance of the loading platform, and is further used for transmitting the lifting distance of the loading platform to the controller.

[0045] Referring to Figure 2 , Figure 2 The working principle circuit diagram of the elevator provided in the embodiment of the utility model, the elevator includes air switch 101, frequency converter 102, intermediate relay 103, motor 104, motor brake rectifier 105 and AC contactor 106. The upper port of air switch 101 is connected to the three live wires of the power supply respectively, the lower port of air switch 101 is connected to the input end of frequency converter 102, and intermediate relay 103 is connected to the terminal of frequency converter 102. One end of AC contactor 106 is connected to the zero line of the power supply, the other end is connected to one end of intermediate relay normally open point 107, and the other end of intermediate relay normally open point 107 is connected to the live wire of the power supply. The two normally open points of motor brake rectifier 105 are connected to the lower port of air switch 101 respectively, and the lower end of frequency converter 102 is connected to motor 104.

[0046] When the elevator is running, air switch 101 is closed, frequency converter 102 is powered on, frequency converter 102 makes intermediate relay 103 coil attract, intermediate relay normally open contact becomes long closed, AC contactor 106 coil attracts, and the brake coil of motor 104 is opened, and at the same time, frequency converter 102 starts motor 104 to run.

[0047] When the elevator executes the automatic warehousing task, the goods are moved to the starting ground conveyor which is connected with the elevator after size detection at the warehousing entrance, and the destination is the lane number issued by the controller, which is converted into the corresponding destination conveyor. At this time, the elevator reaches the starting ground conveyor position through lifting operation, the starting ground conveyor completes alignment, the starting ground conveyor cooperates with the lifting operation of the moving platform of the elevator to make the goods reach the moving platform, the elevator reaches the destination conveyor (i.e. the warehousing entrance conveyor) position through lifting operation, the destination conveyor completes alignment, the moving platform of the elevator cooperates with the destination conveyor to make the goods unload to the destination conveyor, and the elevator completes the warehousing of the goods.

[0048] When the elevator executes the automatic outbound task, the goods are transferred from the conveyor lane to the conveyor connected with the elevator, which serves as the starting conveyor of the elevator task, and the elevator judges whether the destination has the outbound condition according to the received outbound task. If the outbound condition is met, the elevator reaches the position of the starting conveyor by lifting operation at this time, the starting conveyor completes the alignment, the starting conveyor cooperates with the transfer platform of the elevator to make the goods reach the transfer platform, the elevator reaches the position of the destination conveyor (i.e. the outbound port conveyor) by lifting operation, the destination conveyor completes the alignment, the transfer platform of the elevator cooperates with the destination conveyor to make the goods be unloaded onto the destination conveyor, and the elevator completes the outbound of the goods.

[0049] When the multi-layer has the inbound or outbound task, the tasks are executed in the order of the tasks.

[0050] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit it; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A control system of an elevator applied in a cubic warehouse, characterized in that, The utility model relates to a kind of control system of vertical warehouse lifting machine, including: Controller; Status indicator light, corresponding to the platform of each layer of the vertical warehouse, is provided and electrically connected with the controller, the status indicator light is indicated by showing different colors to indicate different operating states of the lifting machine; Operation box, corresponding to the platform of each layer of the vertical warehouse, is provided and electrically connected with the controller, the operation box is equipped with pause button, lifting switch and transfer switch;The pause button is used to switch the automatic control mode and manual control mode of the lifting machine;The lifting switch is used to control the lifting of the cargo platform of the lifting machine in the vertical direction in the manual control mode of the lifting machine;The transfer switch is used to control the horizontal transfer of the cargo platform of the lifting machine in the manual control mode of the lifting machine.

2. The control system of a hoist according to claim 1, characterized in that, The status indicator light includes a first color indicator light, a second color indicator light and a third color indicator light; When the first color indicator light is lit, it indicates that the lifting machine is in a fault state;When the second color indicator light is lit, it indicates that the lifting machine is in a standby state;When the third color indicator light is lit, it indicates that the lifting machine is in an automatic control mode;When the second color indicator light and the third color indicator light are lit at the same time, it indicates that the lifting machine is in a manual control mode.

3. The control system of a hoist according to claim 2, characterized in that, It also includes a siren, which is electrically connected to the controller, and the controller controls the siren to emit a siren alarm sound when the status indicator light indicates that the lifting machine is in a fault state.

4. The control system of the hoist of claim 1, wherein, It also includes a broken chain protection switch, which is arranged at the connection between the cargo platform of the lifting machine and the chain, and is electrically connected to the controller;In the case of chain breakage, the broken chain protection switch is triggered, and the controller is used to lock the position of the cargo platform.

5. The control system of the hoist of claim 1, wherein, It also includes a speed switch, which is electrically connected to the controller, and is used to switch the high-speed running mode and low-speed running mode of the lifting machine by triggering the speed switch.

6. The control system of the hoist of claim 1, wherein, It also includes a limit switch, which is electrically connected to the controller, and is used to limit the lifting position of the cargo platform by triggering the limit switch.

7. The control system of the hoist of claim 1, wherein, It also includes an overspeed protection switch, which is electrically connected to the controller;In the case that the lifting speed of the cargo platform exceeds the preset speed threshold, the overspeed protection switch is triggered, and the controller is used to control the lifting movement of the lifting machine to stop.

8. The control system of a hoist according to claim 1, characterized in that, It also includes a cargo deviation protection switch, which is electrically connected to the controller;In the case that the cargo on the cargo platform deviates, the cargo deviation protection switch is triggered, and the controller is used to control the lifting machine to stop running.

9. The control system of the hoist of claim 1, wherein, It also includes an alignment detection device, which is arranged corresponding to each platform of the vertical warehouse, and is electrically connected to the controller, for detecting whether the lifting machine is aligned with the platform of the preset layer of the vertical warehouse.

10. The control system of the hoist of claim 1, wherein, It also includes a laser ranging device, which is arranged on the ground of the vertical warehouse and is electrically connected to the controller. The bottom surface of the loading platform is provided with a reflecting plate, the laser ranging device is used for emitting laser to the reflecting plate and receiving the reflected laser to obtain the lifting distance of the loading platform, and is also used for transmitting the lifting distance of the loading platform to the controller; The controller positions the lifting position of the loading platform according to the height parameter of each layer platform of the stereoscopic warehouse and the lifting distance of the loading platform.

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