Freight elevator anti-collision limiting system device and operation method

Abstract

The invention discloses a freight elevator anti-collision limiting system device and an operation method, and belongs to the technical field of elevator safety. In order to solve the technical problem of avoiding collision of goods in the transportation process for the goods lift. According to the technical scheme, an anti-collision protection plate is arranged in an elevator car, an anti-collision limiting device comprises a monitoring radar located at a hall gate, an identification camera and a buffer pile, a telescopic driver is arranged on the anti-collision protection plate and controls the telescopic distance of the anti-collision protection plate, and a measuring light eye is further integrated on the buffer pile. The measuring light eye is used for determining the size of goods, the telescopic driver, the monitoring radar, the recognition camera and the measuring light eye are all connected to a controller, the controller synchronously drives the telescopic distance of the anti-collision protection plate in the lift car according to received data and is used for adjusting the position of the goods, and the effect that the safety and reliability of goods transported by the elevator are improved is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of elevator safety, and in particular to an anti-collision limiting system device and an operating method for a freight elevator. Background Art

[0002] At present, the Chinese patent with the publication (announcement) number: CN207467976U discloses a cargo elevator door anti-collision warning prompt device, including a cargo elevator current information reading module that reads the cargo elevator operation status information from the cargo elevator control system, an elevator status judgment module, an output execution unit module, and an elevator door closing signal reminder module; the cargo elevator current information reading module is electrically connected to the cargo elevator control system and the elevator status judgment module respectively, and the output execution unit module is electrically connected to the elevator status judgment module and the elevator door closing signal reminder module respectively. The existing cargo elevator door anti-collision warning prompt device can warn the user in advance to avoid collision between the cargo and the elevator door.

[0003] However, this system is relatively simple and has limitations. Its cargo detection and anti-collision capabilities are not strong, and its safety cannot meet high requirements. There is still a risk of collision.

[0004] When the goods enter the elevator, prevent the goods from damaging the hall car door and the internal structure of the car and control the center of gravity of the goods in the elevator. Most existing freight elevators cannot avoid the problem of goods hitting the hall car door and the interior of the car when entering the car. At the same time, if the goods are not placed in the center, it is easy for the goods to tip over or be overweight, causing damage to the elevator.

[0005] For cargo elevators, it is very important to avoid collisions during transportation of cargo, so reliable cargo identification and restriction is very important. The difficulty that restricts this innovation lies in how to identify and reliably detect the cargo, and how to coordinate the work of various electronic components to achieve the purpose of protecting the cargo during transportation to the elevator. Summary of the invention

[0006] In order to solve the above technical problems and shortcomings: how to avoid collision of goods during transportation, detect and limit them, the present invention provides a cargo elevator anti-collision limitation system device and an operation method.

[0007] In order to achieve the above-mentioned purpose and other related purposes, the present invention adopts the following technical solutions:

[0008] A cargo elevator anti-collision restriction system device comprises a preparatory area of ​​an elevator car and an elevator hall door entrance, an anti-collision protection plate is arranged in the elevator car, an anti-collision restriction device is arranged in the preparatory area, the anti-collision restriction device comprises a monitoring radar, an identification camera and a buffer pile at the hall door, the monitoring radar is integrated on the buffer pile, a plurality of buffer piles are arranged and form a restricted detection area for cargo to enter the car in an orderly manner, the restricted detection area is in the preparatory area, and the identification camera identifies cargo passing through the restricted detection area;

[0009] The anti-collision protection plate is provided with a telescopic driver, which controls the telescopic distance of the anti-collision protection plate.

[0010] The buffer pile also integrates a measuring photoeye, which is used to determine the size of the cargo.

[0011] The telescopic drive, monitoring radar, identification camera, and measuring photoeye are all connected to a controller, and the controller synchronously drives the telescopic distance of the anti-collision protection plate in the car according to the received data to adjust the position of the goods.

[0012] Preferably, a lifting mechanism is provided under the buffer pile, and the lifting mechanism is used to drive the buffer pile to lift.

[0013] Preferably, it further comprises a transport trolley, the transport trolley comprises a frame, four universal wheels, a main drive mechanism and a placement plate, the frame comprises a main frame and a sub-frame, the main frame and the sub-frame are slidably assembled with each other, the sub-frame is arranged below the main frame, universal wheels are respectively installed on both sides of the front end of the main frame, and universal wheels are respectively installed on both sides of the rear end of the sub-frame;

[0014] The main driving mechanism is installed at the front end of the auxiliary frame and when the auxiliary frame is stored under the main frame, the main driving mechanism is located in the middle of the main frame.

[0015] Preferably, a plurality of battery packs are fixed on the sub-frame, and the battery packs supply power to the main driving mechanism, which includes a motion controller and driving wheels, and the driving wheels are located on both sides of the sub-frame.

[0016] Preferably, the main frame is provided with a horizontal slide groove, the sub-frame is provided with a slider that slides in cooperation with the slide groove, the slide groove is provided with a positioning lock hole, and the slider is provided with an electronic lock pin that is used to fit with the lock hole for fixing, and the electronic lock pin releases the lock fit with the lock hole when power is turned on, and completes the lock fit with the lock hole when power is turned off.

[0017] Preferably, the electronic lock pin includes an electromagnetic coil part, a mounting frame and a movable pin. The electromagnetic coil part is fixed on the mounting frame, the movable pin is located in the middle of the electromagnetic coil part and is driven by the electromagnetic coil part to perform telescopic movement, and the movable pin also passes through the mounting frame to cooperate with the lock hole for locking.

[0018] In addition, the running method is as follows:

[0019] S1: The cargo stops in front of the buffer pile at the hall door, and the transporter manually calls the elevator. The measuring photoeye at the hall door measures the size of the cargo, and the elevator responds to the command and reaches the designated floor until the elevator door is fully opened;

[0020] S2: When the elevator door is fully opened, the hall door monitoring radar determines that the cargo is completely still, the hall door recognition camera on the elevator call board confirms that the transporter is an authorized person, the hall door buffer pile drops, and the anti-collision protection plate in the car extends according to the size of the cargo;

[0021] S3: A person pushes the goods into the car and fixes the goods within the range defined by the anti-collision protection plate in the car to ensure that the goods are located in the center of the car.

[0022] S4: Personnel registration floor selection instruction, the elevator door closes, the buffer pile at the hall door rises, and the elevator can operate normally to the destination floor.

[0023] In summary, the invention has at least one of the following beneficial technical effects:

[0024] 1. This system device identifies and scans the goods before they are ready to enter the elevator car. The monitoring radar, identification camera and measurement photoeye detect the goods in many aspects, which can form collected data for the processor to process. Therefore, a more comprehensive collection of information about the goods can be made to avoid damage to the elevator due to excessive weight or size of the goods. After the goods enter the elevator car, the anti-collision protection plate in the elevator car can also be synchronized to move to adjust the position of the goods.

[0025] 2. The buffer pile can limit the cargo, and it also has a lifting mechanism to drive its lifting action, so as to prevent oversized cargo from entering the car and play a blocking role;

[0026] 3. It can also be used in conjunction with a transport trolley to transport goods, thereby improving the efficiency and convenience of cargo transportation. In conjunction with the transport trolley, the telescopic length of the transport trolley can be adjusted according to the situation of the elevator. The telescopic length here means that the main frame and the sub-frame can slide relative to each other, thereby improving the reliability of the trolley transportation process;

[0027] 4. The main drive mechanism is powered by the battery pack, so that it can work longer. The function of the electronic lock pin is to realize the locking operation between the sub-frame and the main frame. If the length between the main frame and the sub-frame needs to be adjusted, it can be slid by the slider, and then fixed by the electronic lock pin;

[0028] 5. This telescopic transport trolley, when used in transporting goods in the elevator car, allows the wheels to enter more reliably, and then the goods can be sent into the elevator car. When the goods are moved out of the car, the goods can be partially moved out of the elevator car first. At this time, the wheel support is relatively stable, and the transportation of goods is more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the structure of an embodiment of the present invention;

[0030] Figure 2 It is a structural schematic diagram of a transport trolley according to an embodiment of the present invention;

[0031] Figure 3 It is a side view of a transport trolley according to an embodiment of the present invention;

[0032] Figure 4 It is a telescopic diagram of the transport trolley;

[0033] Figure 5 This is a schematic diagram of the installation location of the electromagnetic locking pin;

[0034] Figure 6 It is a structural schematic diagram of the electromagnetic locking pin.

[0035] Description of the reference numerals of the main components:

[0036] 1. Elevator car; 2. Preparation area; 3. Anti-collision protection plate; 51. Monitoring radar; 52. Identification camera; 53. Measuring photoeye; 6. Buffer pile; 7. Telescopic drive; 8. Lifting mechanism; 9. Transport trolley; 911. Main frame; 912. Sub-frame; 92. Universal wheel; 93. Main drive mechanism; 931. Drive wheel; 94. Placement plate; 95. Battery pack; 100. Slide; 110. Sliding block; 120. Positioning lock hole; 130. Electronic lock pin; 131. Electromagnetic coil unit; 132. Mounting frame; 133. Movable pin. DETAILED DESCRIPTION

[0037] The following is an explanation of the embodiments of the present invention by specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments. The details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0038] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. The illustrations only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0039] The specific implementation manner of the present invention will be further described below in conjunction with the accompanying drawings.

[0040] Example:

[0041] The invention embodiment discloses a cargo elevator anti-collision limiting system device, which solves the problem that cargo easily hits the hall car door and the inner wall of the car when entering the elevator. In addition, it also solves the problem that cargo is easily dumped or overweighted due to non-central placement, causing damage to the elevator. In order to overcome these problems, a cargo elevator anti-collision limiting system device is provided.

[0042] refer to Figure 1 As shown, the anti-collision restriction system device for a cargo elevator includes an elevator car 1 and a preparatory area 2 at the entrance of an elevator hall door. An anti-collision protection plate 3 is arranged in the elevator car 1, and an anti-collision restriction device is arranged in the preparatory area 2. The anti-collision restriction device includes a monitoring radar 51 at the hall door, an identification camera 52 and a buffer pile 6. The monitoring radar 51 is integrated on the buffer pile 6. A plurality of buffer piles 6 are arranged to form a restricted detection area for the orderly entry of goods into the car. The buffer pile 6 can restrict the goods and also has a lifting mechanism 8 to drive its lifting action, thereby preventing excessively large goods from entering the car and playing a blocking role. The restricted detection area is in the preparatory area 2, and the identification camera 52 identifies the goods passing through the restricted detection area.

[0043] The function of the monitoring radar 51 is mainly to detect and locate objects using radio waves. It works by emitting electromagnetic waves and receiving signals reflected from the target object. The emitted signal will be reflected back when it encounters an object, and the receiver calculates the distance, speed and direction information of the object based on the time and frequency changes of the reflected signal. In this solution, the existing monitoring radar 51 module is used to collect the speed, direction and distance data of cargo transportation.

[0044] In this solution, the recognition camera 52 mainly realizes the recognition, tracking and monitoring of the target object by capturing and recording images or videos. These cameras are usually equipped with image processing and recognition technology, which can automatically analyze the image content, extract key information, and make corresponding responses.

[0045] The recognition camera 52 has an intelligent recognition function and can automatically detect, recognize and classify key information such as objects, faces, license plates, etc. in the image. Based on the prior art, this camera has a wide range of applications in the fields of security, traffic management, etc. In this solution, it is applied to the elevator control panel to recognize and collect image information of the goods.

[0046] The recognition camera 52 can monitor the target area in real time, capture abnormal situations in time, and issue an alarm or notify relevant personnel to handle. This real-time monitoring capability helps to improve the level of security and reduce potential safety hazards.

[0047] The recognition camera 52 may also store and analyze the captured image or video data for subsequent review and investigation.

[0048] A telescopic driver 7 is provided on the anti-collision protection plate 3, and the telescopic driver 7 controls the telescopic distance of the anti-collision protection plate 3. The telescopic driver 7 can be a cylinder. The anti-collision protection plate 3 can be a sponge board, a plastic board, etc.

[0049] The buffer pile 6 is also integrated with a measuring photoeye 53, which is used to determine the size of the goods. The measuring photoeye 53 (or "photoeye") can emit multiple pulse width signals to the optical fiber link, and each pulse width signal will reflect the working conditions of a part of the node components. By comprehensively analyzing and processing all the signals, clear network-wide detection information can be obtained.

[0050] The telescopic driver 7, the monitoring radar 51, the identification camera 52, and the measuring photoeye 53 are all connected to a controller, and the controller synchronously drives the telescopic distance of the anti-collision protection plate 3 in the car according to the received data, so as to adjust the position of the goods.

[0051] This system device identifies and scans the cargo before it is ready to enter the elevator car 1. The monitoring radar 51, the identification camera 52 and the measuring photoeye 53 perform multi-faceted detection on the cargo to form collected data for processing by the processor. Thus, a more comprehensive collection of cargo information can be achieved to avoid damage to the elevator due to excessive weight or size of the cargo. After the cargo enters the elevator car 1, the anti-collision protection plate 3 in the elevator car 1 can also be synchronized to operate to adjust the position of the cargo.

[0052] Based on the above solution, a lifting mechanism 8 is arranged under the buffer pile 6, and the lifting mechanism 8 is used to drive the lifting action of the buffer pile 6. The lifting mechanism 8 can be driven by a cylinder, or a gear rack lifting drive structure, or a screw lifting mechanism 8.

[0053] The operation process of the collision avoidance and limitation system device is as follows:

[0054] S1: The cargo stops in front of the buffer pile 6 at the hall door, and the transporter manually calls the elevator. The measuring photoeye 53 at the hall door measures the cargo size, and the elevator responds to the command and reaches the designated floor until the elevator door is fully opened;

[0055] S2: When the elevator door is fully opened, the hall door monitoring radar 51 determines that the cargo is completely still, the hall door identification camera 52 on the elevator call board confirms that the transporter is an authorized person, the hall door buffer pile 6 drops, and the anti-collision protection plate 3 in the car extends according to the size of the cargo;

[0056] S3: A person pushes the goods into the car and fixes the goods within the range defined by the anti-collision protection plate 3 in the car to ensure that the goods are located in the center of the car.

[0057] S4: Personnel register and select floor instructions, the elevator door is closed, the buffer pile 6 at the hall door is raised, and the elevator can operate normally to the destination floor.

[0058] refer to Figure 2 , this solution also includes a transport trolley 9. The transport trolley 9 includes a frame, four universal wheels 92, a main drive mechanism 93 and a placement plate 94. The placement plate 94 is used to place goods. The frame includes a main frame 911 and a sub-frame 912. The main frame 911 and the sub-frame 912 are slidably assembled with each other. The sub-frame 912 is arranged below the main frame 911. Universal wheels 92 are respectively installed on both sides of the front end of the main frame 911, and universal wheels 92 are respectively installed on both sides of the rear end of the sub-frame 912; the main drive mechanism 93 is installed at the front end of the sub-frame 912 and when the sub-frame 912 is stored below the main frame 911, the main drive mechanism 93 is located in the middle of the main frame 911.

[0059] A plurality of battery packs 95 are also fixed on the sub-frame 912 . The battery packs 95 supply power to the main driving mechanism 93 . The main driving mechanism 93 includes a motion controller and driving wheels 931 . The driving wheels 931 are located on both sides of the sub-frame 912 .

[0060] refer to Figure 2 ,、 Figure 3 , Figure 4 and Figure 5 As shown, a horizontal slide groove 100 is provided on the main frame 911, a slider 110 for sliding in cooperation with the slide groove 100 is provided on the sub-frame 912, a positioning lock hole 120 is provided on the slide groove 100, and an electronic lock pin 130 for fixing in cooperation with the lock hole is provided on the slider 110. The electronic lock pin 130 releases the lock fit with the lock hole when power is on, and completes the lock fit with the lock hole when power is off.

[0061] exist Figure 3 and Figure 4In the figure, the electronic lock pin 130 includes an electromagnetic coil part 131, a mounting frame 132 and a movable pin 133. The electromagnetic coil part 131 is fixed on the mounting frame 132, the movable pin 133 is located in the middle of the electromagnetic coil part 131 and is driven by the electromagnetic coil part 131 to perform a telescopic action, and the movable pin 133 also passes through the mounting frame 132 to cooperate with the lock hole for lock fit.

[0062] Cooperate with the transport trolley 9 to transport goods, improve the efficiency and convenience of goods transportation, cooperate with the transport trolley 9, and can adjust the telescopic length of the transport trolley 9 according to the situation of the elevator. The telescopic length here means that the main frame 911 and the sub-frame 912 can slide relative to each other, thereby improving the reliability of the trolley transportation process.

[0063] The main drive mechanism 93 is powered by the battery pack 95, so that it can work more sustainably. The function of the electronic lock pin 130 is to realize the locking operation between the sub-frame 912 and the main frame 911. If the length between the main frame 911 and the sub-frame 912 needs to be adjusted, it can be slid by relying on its slider 110, and then fixed and locked by the electronic lock pin 130; this telescopic transport trolley 9, when used in the elevator car 1 to transport goods, can allow the wheels to enter more reliably, and then, the goods can be sent into the elevator car 1. When the goods are transported out of the car, the goods can be partially moved out of the elevator car 1 first. At this time, the wheel support is relatively stable, and the transportation of goods is more stable and reliable.

[0064] The above embodiments are only illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, any equivalent changes made to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cargo elevator anti-collision limiting system device, comprising a preparatory area of ​​an elevator car and an elevator hall door entrance, characterized in that: An anti-collision protection plate is provided in the elevator car, an anti-collision limiting device is provided in the preparation area, and the anti-collision limiting device includes a monitoring radar, an identification camera and a buffer pile at the hall door, the monitoring radar is integrated on the buffer pile, a plurality of buffer piles are provided and form a restricted detection area for goods to enter the car in an orderly manner, the restricted detection area is in the preparation area, and the identification camera identifies the goods passing through the restricted detection area; The anti-collision protection plate is provided with a telescopic driver, which controls the telescopic distance of the anti-collision protection plate. The buffer pile also integrates a measuring photoeye, which is used to determine the size of the cargo. The telescopic drive, monitoring radar, identification camera, and measuring photoeye are all connected to a controller, and the controller synchronously drives the telescopic distance of the anti-collision protection plate in the car according to the received data to adjust the position of the goods.

2. A cargo elevator anti-collision restriction system device according to claim 1, characterized in that: A lifting mechanism is arranged under the buffer pile, and the lifting mechanism is used to drive the buffer pile to lift.

3. A cargo elevator anti-collision restriction system device according to claim 1, characterized in that: It also includes a transport trolley, which includes a frame, four universal wheels, a main drive mechanism and a placement plate, the frame includes a main frame and a sub-frame, the main frame and the sub-frame are slidably assembled with each other, the sub-frame is arranged below the main frame, universal wheels are respectively installed on both sides of the front end of the main frame, and universal wheels are respectively installed on both sides of the rear end of the sub-frame; The main driving mechanism is installed at the front end of the auxiliary frame and when the auxiliary frame is stored under the main frame, the main driving mechanism is located in the middle of the main frame.

4. A cargo elevator anti-collision restriction system device according to claim 3, characterized in that: A plurality of battery packs are also fixed on the sub-frame, and the battery packs supply power to the main driving mechanism, which includes a motion controller and driving wheels, and the driving wheels are located on both sides of the sub-frame.

5. A cargo elevator anti-collision restriction system device according to claim 4, characterized in that: The main frame is provided with a horizontal slide groove, the sub-frame is provided with a slider that slides in cooperation with the slide groove, the slide groove is provided with a positioning lock hole, the slider is provided with an electronic lock pin that is used to fit with the lock hole for fixing, and the electronic lock pin releases the lock fit with the lock hole when power is turned on, and completes the lock fit with the lock hole when power is turned off.

6. A cargo elevator anti-collision restriction system device according to claim 5, characterized in that: The electronic lock pin includes an electromagnetic coil part, a mounting frame and a movable pin. The electromagnetic coil part is fixed on the mounting frame. The movable pin is located in the middle of the electromagnetic coil part and is driven by the electromagnetic coil part to perform telescopic movements. The movable pin also passes through the mounting frame to cooperate with the lock hole for locking.

7. The method for operating the anti-collision limiting system device for a freight elevator according to any one of claims 1 to 6, characterized in that The steps include: S1: The cargo stops in front of the buffer pile at the hall door, and the transporter manually calls the elevator. The measuring photoeye at the hall door measures the size of the cargo, and the elevator responds to the command and reaches the designated floor until the elevator door is fully opened; S2: When the elevator door is fully opened, the hall door monitoring radar determines that the cargo is completely still, the hall door recognition camera on the elevator call board confirms that the transporter is an authorized person, the hall door buffer pile drops, and the anti-collision protection plate in the car extends according to the size of the cargo; S3: A person pushes the goods into the car and fixes the goods within the range defined by the anti-collision protection plate in the car to ensure that the goods are located in the center of the car. S4: Personnel registration floor selection instruction, the elevator door closes, the buffer pile at the hall door rises, and the elevator can operate normally to the destination floor.

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