Goods shelf with balance self-detection function and goods shelf balance detection device

Abstract

The utility model discloses a goods shelf with a balance self-checking function and a goods shelf balance detection device, the goods shelf comprises a goods shelf body and a balance detection device, and the detection device comprises a gyroscope sensor arranged on the goods shelf body and used for detecting X-axis angular velocity and Y-axis angular velocity on a horizontal plane; the first photoelectric sensor is arranged on the goods shelf body and is provided with a first photoelectric emitter and a first photoelectric receiver, and the first photoelectric emitter is installed in the mode that the first photoelectric emitter emits light downwards; the control module is configured with a first comparator, a second comparator, a third comparator and a logic gate device; the detection signal output end of the X-axis angular velocity / Y-axis angular velocity is connected with the input end of the first comparator / second comparator, and the detection signal output end of the first photoelectric sensor is connected with the input end of the third comparator; and the output ends of the three comparators are respectively connected with the input end of the logic gate device. Whether the goods shelf is unbalanced or not is detected from multiple dimensions of horizontal inclination and stand column S deformation.

Description

Technical Field

[0001] The utility model relates to the field of detection circuits, in particular to a shelf with a balance self-detection function and a shelf balance detection device. Background Art

[0002] An elevated warehouse, also known as a three-dimensional warehouse, generally refers to a mechanized and automated warehouse that uses 10 or more layers of shelves to store goods and uses special storage equipment to carry out cargo warehousing or storage operations.

[0003] The shelves in high-bay warehouses are usually relatively high, and the steel structure of the shelves is easily changed by gravity. Although such changes are so small that they are not easily detected by the naked eye, they still pose a hidden danger to warehouse safety.

[0004] The disclosure of the above background technology content is only used to assist in understanding the concept and technical solution of the present application. It does not necessarily belong to the prior art of the present application, nor does it necessarily provide technical guidance. In the absence of clear evidence that the above content has been disclosed before the filing date of the present application, the above background technology should not be used to evaluate the novelty and creativity of the present application. Utility Model Content

[0005] The utility model aims to provide a shelf with a balance self-checking function, which uses a circuit structure to detect whether the shelf is unbalanced from multiple dimensions such as horizontal tilt and S-deformation of columns.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] A shelf with a balance self-checking function comprises a shelf body and a balance detection device, wherein the balance detection device comprises:

[0008] A gyro sensor is disposed on the shelf body, wherein the gyro sensor is configured to detect an X-axis angular velocity and a Y-axis angular velocity on a horizontal plane;

[0009] A first photoelectric sensor is arranged on the shelf body, wherein the first photoelectric sensor is configured with a first photoelectric transmitter and a first photoelectric receiver, and the first photoelectric transmitter is installed in a direction to emit light downward;

[0010] A control module, which is configured with a first comparator, a second comparator, a third comparator, and a logic gate device;

[0011] The detection signal output terminal of the X-axis angular velocity of the gyro sensor is connected to an input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity of the gyro sensor is connected to an input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to an input terminal of the third comparator;

[0012] The output ends of the first comparator, the second comparator and the third comparator are respectively connected to the input ends of the logic gate device.

[0013] Further, based on any one of the above technical solutions or a combination of multiple technical solutions, the balance detection device further includes a second photoelectric sensor and a fourth comparator, the second photoelectric sensor is configured with a second photoelectric transmitter and a second photoelectric receiver, the second photoelectric transmitter is arranged on the inner side of the vertical rod on one side of the shelf body, and the installation direction of the second photoelectric transmitter makes the emitted light hit the vertical rod on the other side of the shelf body in a horizontal direction;

[0014] The detection signal output terminal of the second photoelectric sensor is connected to an input terminal of the fourth comparator;

[0015] The output terminal of the fourth comparator is connected to the input terminal of the logic gate device.

[0016] Further, based on any one of the above-mentioned technical solutions or a combination of multiple technical solutions, the reference signal connected to the fourth comparator is preset according to the horizontal distance between the vertical bars on both sides of the shelf;

[0017] The reference signal connected to the third comparator is preset according to the installation height and angle of the first photoelectric sensor on the shelf body.

[0018] Further, based on any one of the above technical solutions or a combination of multiple technical solutions, the detection signal output end of the X-axis angular velocity is connected to the positive phase input end of the first comparator, the detection signal output end of the Y-axis angular velocity is connected to the positive phase input end of the second comparator, and the detection signal output end of the first photoelectric sensor is connected to the positive phase input end of the third comparator;

[0019] The inverting input terminals of the first comparator, the second comparator and the third comparator are respectively connected to the corresponding reference signals;

[0020] The logic gate device is an OR gate device.

[0021] Further, based on any one of the above technical solutions or a combination of multiple technical solutions, the detection signal output end of the X-axis angular velocity is connected to the inverting input end of the first comparator, the detection signal output end of the Y-axis angular velocity is connected to the inverting input end of the second comparator, and the detection signal output end of the first photoelectric sensor is connected to the inverting input end of the third comparator;

[0022] The non-inverting input terminals of the first comparator, the second comparator and the third comparator are respectively connected to the corresponding reference signals;

[0023] The logic gate device is a NAND gate device.

[0024] Further, based on any one of the above technical solutions or a combination of multiple technical solutions, the detection signal output end of the X-axis angular velocity is connected to the inverting input end of the first comparator, and the output end of the first comparator is connected to the input end of the OR gate device through a NOT gate device;

[0025] And / or, the detection signal output terminal of the Y-axis angular velocity is connected to the inverting input terminal of the second comparator, and the output terminal of the second comparator is connected to the input terminal of the OR gate device through a NOT gate device;

[0026] And / or, the detection signal output terminal of the first photoelectric sensor is connected to the inverting input terminal of the third comparator, and the output terminal of the third comparator is connected to the input terminal of the OR gate device through a NOT gate device.

[0027] Furthermore, based on any one of the technical solutions or a combination of multiple technical solutions described above, the shelf provided by the embodiment of the utility model also includes a local alarm and / or a display, which is connected to the output end of the logic gate device of the control module.

[0028] Further, based on any one of the technical solutions or a combination of multiple technical solutions mentioned above, the control module also includes a communication unit, and the control module remotely sends a prompt message to an external device.

[0029] According to another aspect of the present invention, a shelf balance detection device is provided, which is configured to be installed on a shelf to detect deformation of the shelf, and the shelf balance detection device includes:

[0030] a gyroscope sensor configured to detect an X-axis angular velocity and a Y-axis angular velocity on a horizontal plane;

[0031] A first photoelectric sensor is configured with a first photoelectric transmitter and a first photoelectric receiver, wherein the first photoelectric transmitter is installed in a direction to emit light downward;

[0032] A control module, which is configured with a first comparator, a second comparator, a third comparator, and a logic gate device;

[0033] The detection signal output terminal of the X-axis angular velocity of the gyro sensor is connected to an input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity of the gyro sensor is connected to an input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to an input terminal of the third comparator;

[0034] The output ends of the first comparator, the second comparator and the third comparator are respectively connected to the input ends of the logic gate device.

[0035] Furthermore, based on any one of the technical solutions or a combination of multiple technical solutions described above, the shelf balance detection device provided in the embodiment of the utility model also includes a second photoelectric sensor, which is equipped with a second photoelectric transmitter and a second photoelectric receiver, and the installation direction of the second photoelectric transmitter is such that its light emission direction is in the horizontal direction.

[0036] The beneficial effects brought by the technical solution provided by the utility model are as follows:

[0037] a. Comprehensively check whether the shelf is unbalanced from multiple dimensions such as horizontal tilt and column S-deformation to eliminate safety hazards;

[0038] b. Comprehensive detection and judgment are realized by hardware circuit, no MCU processing unit is required, and the response is fast. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0040] Figure 1 A structural schematic diagram of a balance detection device provided for an exemplary embodiment of the utility model;

[0041] Figure 2 A first circuit connection diagram of a control module of a balance detection device provided by an exemplary embodiment of the utility model;

[0042] Figure 3 A second circuit connection diagram of a control module of a balance detection device provided by an exemplary embodiment of the utility model;

[0043] Figure 4 A third circuit connection diagram of a control module of a balance detection device provided by an exemplary embodiment of the present utility model. DETAILED DESCRIPTION

[0044] In order to make the technical personnel in the technical field better understand the present solution, the technical solution in the embodiment of the present invention will be clearly and completely described below in combination with the drawings in the embodiment of the present invention. Obviously, the described embodiment is only a part of the embodiment of the present application, not all the embodiments. Based on the embodiment of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work should fall within the scope of protection claimed by the present invention.

[0045] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, device, product or equipment that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or equipment.

[0046] In one embodiment of the present invention, a shelf with a balance self-checking function is provided, comprising a shelf body and a balance detection device, wherein the balance detection device is as follows: Figure 1 As shown, it includes:

[0047] A gyro sensor is disposed on the shelf body, wherein the gyro sensor is configured to detect an X-axis angular velocity and a Y-axis angular velocity on a horizontal plane;

[0048] A first photoelectric sensor is arranged on the shelf body, wherein the first photoelectric sensor is configured with a first photoelectric transmitter and a first photoelectric receiver, and the first photoelectric transmitter is installed in a direction to emit light downwards, so as to detect the height data of the shelf vertical to the ground;

[0049] A control module, which is configured with a first comparator, a second comparator, a third comparator, and a logic gate device;

[0050] See also Figures 2 to 4 , the detection signal output end of the X-axis angular velocity of the gyro sensor is connected to an input end of the first comparator, the detection signal output end of the Y-axis angular velocity of the gyro sensor is connected to an input end of the second comparator, and the detection signal output end of the first photoelectric sensor is connected to an input end of the third comparator;

[0051] The output ends of the first comparator, the second comparator and the third comparator are connected to the input ends of the logic gate device respectively. The above hardware circuit does not require an MCU and has a fast response speed for detecting abnormalities.

[0052] Specifically, arranging the gyro sensor and the first photoelectric sensor on the top or upper part of the column of the shelf can effectively reduce missed alarms and false alarms caused by obstructions or touches in daily operations.

[0053] In one embodiment of the utility model, the balance detection device further includes a second photoelectric sensor and a fourth comparator, the second photoelectric sensor is configured with a second photoelectric transmitter and a second photoelectric receiver, the second photoelectric transmitter is arranged on the inner side of the vertical rod on one side of the shelf body, and the installation direction of the second photoelectric transmitter makes the emitted light hit the vertical rod on the other side of the shelf body in a horizontal direction, so as to detect the spacing data between the vertical rods on both sides of the shelf;

[0054] The detection signal output terminal of the second photoelectric sensor is connected to an input terminal of the fourth comparator;

[0055] The output terminal of the fourth comparator is connected to the input terminal of the logic gate device.

[0056] When the shelf is affected by gravity and the columns are twisted in an S shape, the first photoelectric sensor and the second photoelectric sensor can detect that the data has changed. When the amount of change exceeds a preset threshold, the control module determines that it is abnormal data and triggers an alarm.

[0057] Specifically, the reference signal connected to the fourth comparator is preset according to the horizontal distance between the vertical bars on both sides of the shelf;

[0058] The reference signal connected to the third comparator is preset according to the installation height and angle of the first photoelectric sensor on the shelf body.

[0059] like Figure 2 As shown, the detection signal output end of the X-axis angular velocity is connected to the positive phase input end of the first comparator, the detection signal output end of the Y-axis angular velocity is connected to the positive phase input end of the second comparator, and the detection signal output end of the first photoelectric sensor is connected to the positive phase input end of the third comparator;

[0060] The inverting input terminals of the first comparator, the second comparator and the third comparator are respectively connected to the corresponding reference signals;

[0061] The logic gate device is an OR gate device.

[0062] In another embodiment, Figure 3As shown, the detection signal output end of the X-axis angular velocity is connected to the inverting input end of the first comparator, the detection signal output end of the Y-axis angular velocity is connected to the inverting input end of the second comparator, and the detection signal output end of the first photoelectric sensor is connected to the inverting input end of the third comparator;

[0063] The non-inverting input terminals of the first comparator, the second comparator and the third comparator are respectively connected to the corresponding reference signals;

[0064] The logic gate device is a NAND gate device.

[0065] In an optional embodiment, the detection signal output terminal of the X-axis angular velocity is connected to the inverting input terminal of the first comparator, and the output terminal of the first comparator is connected to the input terminal of the OR gate device through a NOT gate device; or Figure 4 As shown, the detection signal output terminal of the X-axis angular velocity is connected to the positive phase input terminal of the first comparator, and correspondingly, the output terminal of the first comparator is directly connected to the OR gate device;

[0066] The detection signal output terminal of the Y-axis angular velocity is connected to the inverting input terminal of the second comparator, and the output terminal of the second comparator is connected to the input terminal of the OR gate device through a NOT gate device; or Figure 4 As shown, the detection signal output terminal of the Y-axis angular velocity is connected to the non-inverting input terminal of the second comparator, and correspondingly, the output terminal of the second comparator is directly connected to the OR gate device;

[0067] like Figure 4 As shown, the detection signal output terminal of the first photoelectric sensor is connected to the inverting input terminal of the third comparator, and the output terminal of the third comparator is connected to the input terminal of the OR gate device through a NOT gate device; or Figure 2 As shown, the detection signal output terminal of the first photoelectric sensor is connected to the non-inverting input terminal of the third comparator, and the output terminal of the third comparator is directly connected to the input terminal of the OR gate device;

[0068] like Figure 4 As shown, the detection signal output terminal of the second photoelectric sensor is connected to the inverting input terminal of the fourth comparator, and the output terminal of the fourth comparator is connected to the input terminal of the OR gate device through a NOT gate device; or, Figure 2 As shown, the detection signal output terminal of the second photoelectric sensor is connected to the non-inverting input terminal of the fourth comparator, and the output terminal of the fourth comparator is directly connected to the input terminal of the OR gate device.

[0069] See also Figure 1The shelf provided by the embodiment of the utility model further includes a local alarm and / or a display, which is connected to the output end of the logic gate device of the control module; optionally, the control module further includes a communication unit, and the control module remotely sends a prompt message to an external device. Figure 1 As shown, when the control module determines that the detection data is abnormal, the signal is converted into an audible and visual alarm signal through a digital phase-locked loop, and is simultaneously transmitted to the elevated warehouse operation management system, and then the elevated warehouse operation management system no longer distributes goods to the abnormal shelf.

[0070] In one embodiment of the present utility model, a shelf balance detection device is provided, which is configured to be installed on a shelf to detect the deformation of the shelf, and the shelf balance detection device includes:

[0071] a gyroscope sensor configured to detect an X-axis angular velocity and a Y-axis angular velocity on a horizontal plane;

[0072] A first photoelectric sensor is configured with a first photoelectric transmitter and a first photoelectric receiver, wherein the first photoelectric transmitter is installed in a direction to emit light downward;

[0073] A control module, which is configured with a first comparator, a second comparator, a third comparator, and a logic gate device;

[0074] The detection signal output terminal of the X-axis angular velocity of the gyro sensor is connected to an input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity of the gyro sensor is connected to an input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to an input terminal of the third comparator;

[0075] The output ends of the first comparator, the second comparator and the third comparator are respectively connected to the input ends of the logic gate device.

[0076] Furthermore, based on any one of the technical solutions or a combination of multiple technical solutions described above, the shelf balance detection device provided in the embodiment of the utility model also includes a second photoelectric sensor, which is equipped with a second photoelectric transmitter and a second photoelectric receiver, and the installation direction of the second photoelectric transmitter is such that its light emission direction is in the horizontal direction.

[0077] The shelf balance detection device provided in this embodiment has the same inventive concept as the shelf with balance self-checking function provided in the above embodiment. The entire contents of the above embodiment of the shelf with balance self-checking function are incorporated into the embodiment of the shelf balance detection device by reference and will not be repeated here.

[0078] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0079] The above is only a specific implementation of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A shelf with a balance self-checking function, characterized in that: It includes a shelf body and a balance detection device, and the balance detection device includes: A gyro sensor is disposed on the shelf body, wherein the gyro sensor is configured to detect an X-axis angular velocity and a Y-axis angular velocity on a horizontal plane; A first photoelectric sensor is arranged on the shelf body, wherein the first photoelectric sensor is configured with a first photoelectric transmitter and a first photoelectric receiver, and the first photoelectric transmitter is installed in a direction to emit light downward; A control module, which is configured with a first comparator, a second comparator, a third comparator, and a logic gate device; The detection signal output terminal of the X-axis angular velocity of the gyro sensor is connected to an input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity of the gyro sensor is connected to an input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to an input terminal of the third comparator; The output ends of the first comparator, the second comparator and the third comparator are respectively connected to the input ends of the logic gate device.

2. The shelf according to claim 1, characterized in that: The balance detection device further comprises a second photoelectric sensor and a fourth comparator, wherein the second photoelectric sensor is provided with a second photoelectric transmitter and a second photoelectric receiver, wherein the second photoelectric transmitter is arranged inside the vertical bar on one side of the shelf body, and the installation direction of the second photoelectric transmitter makes the emitted light hit the vertical bar on the other side of the shelf body in a horizontal direction; The detection signal output terminal of the second photoelectric sensor is connected to an input terminal of the fourth comparator; The output terminal of the fourth comparator is connected to the input terminal of the logic gate device.

3. The shelf according to claim 2, characterized in that: The reference signal connected to the fourth comparator is preset according to the horizontal distance between the vertical bars on both sides of the shelf; The reference signal connected to the third comparator is preset according to the installation height and angle of the first photoelectric sensor on the shelf body.

4. The shelf according to claim 1, characterized in that: The detection signal output terminal of the X-axis angular velocity is connected to the non-inverting input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity is connected to the non-inverting input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to the non-inverting input terminal of the third comparator; The inverting input terminals of the first comparator, the second comparator and the third comparator are respectively connected to the corresponding reference signals; The logic gate device is an OR gate device.

5. The shelf according to claim 1, characterized in that: The detection signal output terminal of the X-axis angular velocity is connected to the inverting input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity is connected to the inverting input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to the inverting input terminal of the third comparator; The non-inverting input terminals of the first comparator, the second comparator and the third comparator are respectively connected to the corresponding reference signals; The logic gate device is a NAND gate device.

6. The shelf according to claim 1, characterized in that: The detection signal output terminal of the X-axis angular velocity is connected to the inverting input terminal of the first comparator, and the output terminal of the first comparator is connected to the input terminal of the OR gate device through a NOT gate device; And / or, the detection signal output terminal of the Y-axis angular velocity is connected to the inverting input terminal of the second comparator, and the output terminal of the second comparator is connected to the input terminal of the OR gate device through a NOT gate device; And / or, the detection signal output terminal of the first photoelectric sensor is connected to the inverting input terminal of the third comparator, and the output terminal of the third comparator is connected to the input terminal of the OR gate device through a NOT gate device.

7. The shelf according to any one of claims 1 to 6, characterized in that: It also includes a local alarm and / or a display, which is connected to the output end of the logic gate device of the control module.

8. The shelf according to any one of claims 1 to 6, characterized in that: The control module further comprises a communication unit, and the control module remotely sends a prompt message to an external device.

9. A shelf balance detection device, configured to be installed on a shelf to detect deformation of the shelf, characterized in that: The shelf balance detection device comprises: a gyroscope sensor configured to detect an X-axis angular velocity and a Y-axis angular velocity on a horizontal plane; A first photoelectric sensor is configured with a first photoelectric transmitter and a first photoelectric receiver, wherein the first photoelectric transmitter is installed in a direction to emit light downward; A control module, which is configured with a first comparator, a second comparator, a third comparator, and a logic gate device; The detection signal output terminal of the X-axis angular velocity of the gyro sensor is connected to an input terminal of the first comparator, the detection signal output terminal of the Y-axis angular velocity of the gyro sensor is connected to an input terminal of the second comparator, and the detection signal output terminal of the first photoelectric sensor is connected to an input terminal of the third comparator; The output ends of the first comparator, the second comparator and the third comparator are respectively connected to the input ends of the logic gate device.

10. The shelf balance detection device according to claim 9, characterized in that: The second photoelectric sensor is also provided with a second photoelectric transmitter and a second photoelectric receiver. The second photoelectric transmitter is installed in a direction such that its light emission direction is in a horizontal direction.

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