Near field communication array reading device and track conveying system

Abstract

The utility model relates to the technical field of radio frequency identification, in particular to a near field communication array reading device and a track conveying system. The near field communication array reading device is assembled on the track conveying device, the track conveying device is used for supporting a to-be-detected object to move according to a preset track, and the near field communication array reading device comprises a label unit fixed to the to-be-detected object and used for transmitting a label signal associated with position information of the to-be-detected object based on a preset program; the induction modules are fixed to the track conveying device and used for receiving label signals within the induction range, and the induction range of the multiple induction modules covers the track movement area of the track conveying device; and the control modules are connected with the sensing modules and used for receiving the label signals collected by the sensing modules, and the control modules are in one-to-one correspondence with the sensing modules. According to the device, the sensing coverage range of the near field communication array reading device can be improved through the configuration of multiple labels, and the device is adaptive to track conveying devices in different scenes.

Description

Technical Field

[0001] The present application relates to the field of radio frequency identification technology, and in particular to a near field communication array reading device and a track conveying system. Background Art

[0002] Near field communication array technology is a contactless automatic identification technology. In principle, it is controlled by a processor unit (or microprocessor unit, hereinafter referred to as the main unit). It transmits and receives radio frequency signals through a circuit built with a dedicated radio frequency chip or discrete components to identify the target object (the target object is generally a dedicated or universal near field communication array tag, hereinafter referred to as the tag) and obtain relevant data. After the tag enters the magnetic field emitted by the reader, it receives the radio frequency signal emitted by the reader and emits the product information stored in the chip with the energy obtained by the induced current.

[0003] In the environment of linear motion devices, the device for identifying moving objects generally includes two components, the first part is a power device, that is, an energy supply device, and the second part is a motion device, that is, an energy retention or consumption device. The present application selects a detachable identification device to realize the identification of moving objects. At this time, the moving object generally refers to the absolute position of the motion device. When the motion device is not fixedly connected, the position detection is in a non-contact state, generally using optical or magnetic sensors. The near-field communication array is a transmission device of the magnetic sensor, which has the advantages of easy installation, non-contact sensing, and fast speed. And the current near-field communication array technology is generally used for object classification and short-range communication.

[0004] In industrial scene applications of related technologies, a single main unit identification device is usually used to identify multiple tags; in matrix arrangement scenarios where most of the tags are one-dimensional matrices, such as industrial assembly lines, multiple tags usually pass through fixed positions in sequence, and the tag identification processing method is generally point processing, that is, a fixed position waits for the tag to pass.

[0005] However, the tag reading device in the above-mentioned motion device has the following technical problems:

[0006] Common tag reading methods cannot monitor tags and their order between two or more points; at the same time, the sensing area of ​​​​the near-field communication array tag reading device is generally small, resulting in low efficiency in the use of related equipment. Summary of the invention

[0007] Based on this, it is necessary to provide a near-field communication array reading device and a track conveying system that can improve the applicability of the near-field communication array reading device through the configuration of multiple tags and adapt to track conveying devices in different scenarios in response to the above technical problems.

[0008] In a first aspect, the present application provides a near field communication array reading device, wherein the near field communication array reading device is mounted on a track conveying device, wherein the track conveying device is used to support the object to be measured to perform track movement, and the near field communication array reading device comprises:

[0009] A tag unit, fixed to the object to be detected, and configured to transmit a tag signal associated with the position information of the object to be detected;

[0010] A sensing module, fixed to the track conveying device, the sensing module is used to receive the tag signal within a sensing range, and the sensing ranges of a plurality of the sensing modules cover the track movement area of ​​the track conveying device;

[0011] The control module is connected to the sensing module and is used to receive the tag signal collected by the sensing module. The control module corresponds to the sensing module one by one.

[0012] In one embodiment, the control module includes:

[0013] A radio frequency driving unit, wherein the radio frequency driving unit is used to drive the sensing module.

[0014] In one embodiment, the control module includes:

[0015] A power conversion unit is used to convert an external power supply into a power signal compatible with the near field communication array reading device.

[0016] In one embodiment, the control module includes:

[0017] A control unit is used to control the associated module according to a pre-programmed program and process the tag signal input to the control module.

[0018] In one embodiment, a plurality of the tag units are fixed to a plurality of the objects to be detected, and the tag units correspond to the objects to be detected one by one.

[0019] In one embodiment, the near field communication array reading device further comprises:

[0020] A main controller is connected to each of the control modules, and is used to simultaneously acquire a plurality of the tag signals and realize position identification of a plurality of the tag units based on the plurality of the tag signals.

[0021] In one of the embodiments, the sensing module includes antenna plates, and adjacent antenna plates are detachably connected.

[0022] In one of the embodiments, the antenna plate matches the structure of the track conveying device.

[0023] In one embodiment, the sensing module is separately arranged from the control module, and the sensing module can be detachably assembled to the track conveying device.

[0024] In a second aspect, the present application provides a track conveying system, characterized in that it includes a track conveying device and a near field communication array reading device according to any one of the first aspects.

[0025] The above-mentioned near field communication array reading device, through the derivation of the technical features in the claims, can achieve the following beneficial effects corresponding to the technical problems raised in the background technology:

[0026] 1. A near field communication array reading device provided by the present application includes a tag unit, a sensing module and a control module. The tag unit is fixed to the object to be tested and can emit a tag signal associated with the position information of the object to be tested based on a preset program; the sensing module is fixed to the track conveying device and is used to receive the tag signal within the sensing range. The sensing range of multiple sensing modules covers the track movement area of ​​the track conveying device; the control module is connected to the sensing module and is used to receive the tag signal collected by the sensing module, so as to detect the object to be tested according to the tag signal. In implementation, the track movement area of ​​the track conveying device is fully covered by the combination of multiple sensing modules, which increases the sensing area area of ​​the near field communication array sensing, thereby enhancing the use range of the near field communication array tag. On the other hand, each sensing module independently realizes tag sensing, which helps to ensure the accuracy of tag sensing, thereby improving the stability of the near field communication array reading device in detecting the object to be tested and reducing the possibility of tag signal loss. Finally, the tag signal received by the sensing module is collected by the control module, which helps to realize the real-time judgment of abnormal situations through the comparison of a single tag signal or multiple tag signals, thereby improving the efficiency of handling abnormal situations;

[0027] 2. The processing of assembling multiple tag units on multiple objects to be tested in a one-to-one correspondence, and realizing the quantity, sorting and position comparison of multiple objects to be tested by comparing the sequence and position of multiple tag signals, thereby improving the flexibility of the application of the near field communication array reading device;

[0028] 3. The design of separation between the sensing module and the control module can ensure that the setting and installation of the control module are not affected by the antenna board of the sensing module, thereby improving the configuration efficiency of the device and reducing the configuration cost of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the conventional technology, the drawings required for use in the embodiments or the conventional technology descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 is a schematic structural diagram of a near field communication array reading device in an embodiment;

[0031] Figure 2 It is a structural schematic diagram of a multi-tag scenario of a near field communication array reading device in one embodiment;

[0032] Figure 3 It is a schematic diagram of a process of multi-tag identification of a near field communication array reading device in one embodiment;

[0033] Figure 4 It is a schematic diagram of the configuration of an antenna board of a near field communication array reading device in one embodiment.

[0034] Description of reference numerals: 10, label unit; 20, sensing module; 30, control module. DETAILED DESCRIPTION

[0035] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0037] It is understood that the terms "first", "second", etc. used in this application may be used herein to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish a first element from another element. For example, without departing from the scope of this application, a first resistor may be referred to as a second resistor, and similarly, a second resistor may be referred to as a first resistor. Both the first resistor and the second resistor are resistors, but they are not the same resistor.

[0038] It can be understood that the “connection” in the following embodiments should be understood as “electrical connection”, “communication connection”, etc. if the connected circuits, modules, units, etc. have electrical signals or data transmission between each other.

[0039] It can be understood that “at least one” means one or more, “plurality” means two or more, and “at least part of an element” means part or all of an element.

[0040] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" and the like specify the presence of stated features, wholes, steps, operations, components, parts, or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof. At the same time, the term "and / or" used in this specification includes any and all combinations of the relevant listed items.

[0041] This application is made by the inventor based on the recognition and research of the following issues:

[0042] In the environment of linear motion devices, the device for identifying moving objects generally includes two components, the first part is a power device, that is, an energy supply device, and the second part is a motion device, that is, an energy retention or consumption device. The present application selects a detachable identification device to realize the identification of moving objects. At this time, the moving object generally refers to the absolute position of the motion device. When the motion device is not fixedly connected, the position detection is in a non-contact state, generally using optical or magnetic sensors. The near-field communication array is a transmission device of the magnetic sensor, which has the advantages of easy installation, non-contact sensing, and fast speed. And the current near-field communication array technology is generally used for object classification and short-range communication.

[0043] In industrial scene applications of related technologies, a single main unit identification device is usually used to identify multiple tags; in matrix arrangement scenarios where most of the tags are one-dimensional matrices, such as industrial assembly lines, multiple tags usually pass through fixed positions in sequence, and the tag identification processing method is generally point processing, that is, a fixed position waits for the tag to pass.

[0044] However, the tag reading device in the above-mentioned motion device has the following technical problems:

[0045] Common tag reading methods cannot monitor tags and their order between two or more points; at the same time, the sensing area of ​​​​the near-field communication array tag reading device is generally small, resulting in low efficiency in the use of related equipment.

[0046] Based on this, an embodiment of the present application provides a near-field communication array reading device and a track conveying system, wherein the near-field communication array reading device is mounted on a track conveying device, and the track conveying device is used to support the object to be measured to move along a preset track. Among them, a near-field communication array (Near-Field Communication Array) may refer to a communication system constructed using near-field communication technology, which is used for wireless communication and data transmission within a short range, and is usually used for data transmission between mobile devices or between mobile devices and readers, and may include RFID (Radio-Frequency Identification, radio frequency transmission equipment), NFC (Near Field Communication, short-range wireless communication equipment), etc. In this embodiment, RFID is used as an example to illustrate the solution, and other specific near-field communication array implementation methods are the same as in this embodiment, which will not be described in detail here. A near-field communication array reading device provided in an embodiment of the present application can be used as Figure 1 As shown, it includes a tag unit 10 , a sensing module 20 and a control module 30 .

[0047] Specifically, the tag unit 10 is fixed to the object to be detected, and the tag unit 10 is used to transmit a tag signal associated with the location information of the object to be detected based on a preset program. The preset program may refer to a transmission control program built into the tag unit 10, and the preset program may be used to edit the signal content, set the signal frequency, set the transmission interval, etc.

[0048] Specifically, the sensing module 20 is fixed to the track conveying device, and the sensing module 20 is used to receive the tag signal within a sensing range, and the sensing ranges of a plurality of the sensing modules 20 cover the track movement area of ​​the track conveying device.

[0049] Specifically, the control module 30 is connected to the sensing module 20 and is used to receive the tag signal collected by the sensing module 20 . The control module 30 corresponds to the sensing module 20 one by one.

[0050] By implementing the above-mentioned near field communication array reading device, the following beneficial effects can be achieved:

[0051] The present application provides a near field communication array reading device, including a tag unit, a sensing module and a control module, wherein the tag unit is fixed to the object to be tested and can emit a tag signal associated with the position information of the object to be tested based on a preset program; the sensing module is fixed to the track conveying device and is used to receive the tag signal within the sensing range, and the sensing range of multiple sensing modules covers the track movement area of ​​the track conveying device; the control module is connected to the sensing module and is used to receive the tag signal collected by the sensing module, so as to realize the detection of the object to be tested according to the tag signal. In implementation, through the combination of multiple sensing modules, the track movement area of ​​the track conveying device is fully covered, the sensing area of ​​the near field communication array sensing is increased, and the use range of the near field communication array tag is enhanced. On the other hand, each sensing module independently realizes tag sensing, which helps to ensure the accuracy of tag sensing, thereby improving the stability of the near field communication array reading device in detecting the object to be tested and reducing the possibility of the tag signal of the tag being lost. Finally, the tag signal received by the sensing module is collected by the control module, which helps to realize the real-time discrimination of abnormal situations through the comparison of a single tag signal or multiple tag signals, and improves the processing efficiency of abnormal situations.

[0052] In one embodiment, the control module 30 includes:

[0053] A radio frequency driving unit, wherein the radio frequency driving unit is used to drive the sensing module 20 .

[0054] In this embodiment, the RF driving unit helps to perform complex control on the reception and transmission of RF signals, thereby helping to achieve more detection functions.

[0055] In one embodiment, the control module 30 includes:

[0056] A power conversion unit is used to convert an external power supply into a power signal compatible with the near field communication array reading device.

[0057] In this embodiment, the power conversion unit helps to achieve adaptive conversion of the external power supply, thereby improving the stability of the near field communication array reading device in application.

[0058] In one embodiment, the control module 30 includes:

[0059] A control unit, the control unit is used to control the associated modules according to the pre-programmed program and process the tag signal input to the control module 30. The pre-programmed program may refer to a program for implementing other associated modules in the control module 30, such as start and stop control, display control, etc. The associated modules may refer to other functional modules in the control module 30, such as an LCD display module, a power supply control module, etc.

[0060] In one embodiment, the Figure 2 As shown, the plurality of label units 10 are fixed to the plurality of objects to be detected, and the label units 10 correspond to the objects to be detected one by one.

[0061] In this embodiment, multiple tag units are assembled one-to-one on multiple objects to be tested, and the number, sorting, and position comparison of multiple objects to be tested are achieved through the sequence and position comparison of multiple tag signals, thereby improving the flexibility of the application of the near-field communication array reading device.

[0062] In one embodiment, the near field communication array reading device further comprises:

[0063] A main controller is connected to each of the control modules 30, and is used to simultaneously obtain multiple tag signals and realize position identification of multiple tag units 10 based on the multiple tag signals. Specifically, it can be as follows Figure 3 As shown, it can be based on Figure 3 The control flow shown realizes multi-label detection application.

[0064] In this embodiment, a main controller at a higher level than the control module 30 is provided, and the main controller summarizes and analyzes the data received by multiple control modules 30 to achieve collaborative detection of multiple tags.

[0065] In one embodiment, the sensing module 20 includes antenna plates, and adjacent antenna plates are detachable and spliced.

[0066] In this embodiment, the antenna panels can be detachably spliced, which helps to realize the reuse of different antenna panels in different systems, reduce the construction cost of the system, and improve the construction efficiency of the system.

[0067] In one of the embodiments, the antenna plate matches the structure of the track conveying device.

[0068] In this embodiment, the antenna plate matches the structure of the track conveying device, so that the track conveying device can achieve strict range adaptation with the near-field communication array reading device, further improving the stability of detection.

[0069] Specifically, in one embodiment, the shape and type of the antenna plate can match the transmission structure of the track conveyor. For example, when the surface of the antenna plate is its sensing range, the antenna plate can be set to cover the transmission surface of the transmission structure, in which case, the full area coverage of the track conveyor can be achieved.

[0070] Specifically, you can Figure 4As shown, the antenna plates can be configured and combined based on the structure of the track conveying device, and can include long straight lines, short straight lines, arcs, etc.

[0071] In one embodiment, the sensing module 20 and the control module 30 are separately arranged, and the sensing module 20 can be detachably assembled to the track conveying device.

[0072] In this embodiment, the design of separating the sensing module 20 from the control module 30 can ensure that the setting and installation of the control module 30 are not affected by the antenna board of the sensing module 20, thereby improving the configuration efficiency of the device and reducing the configuration cost of the device.

[0073] Based on the same inventive concept, the embodiment of the present application also provides a track conveying system, including a track conveying device and a near field communication array reading device according to any one of the above embodiments.

[0074] In the description of this specification, the description with reference to the terms "some embodiments", "other embodiments", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic description of the above terms does not necessarily refer to the same embodiment or example.

[0075] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0076] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A near field communication array reading device, characterized in that: The near field communication array reading device is mounted on a track conveying device, and the track conveying device is used to support the object to be measured to perform track movement. The near field communication array reading device includes: A tag unit, fixed to the object to be detected, and configured to transmit a tag signal associated with the position information of the object to be detected; A sensing module, fixed to the track conveying device, the sensing module is used to receive the tag signal within a sensing range, and the sensing ranges of a plurality of the sensing modules cover the track movement area of ​​the track conveying device; The control module is connected to the sensing module and is used to receive the tag signal collected by the sensing module. The control module corresponds to the sensing module one by one.

2. A near field communication array reading device according to claim 1, characterized in that: The control module comprises: A radio frequency driving unit, wherein the radio frequency driving unit is used to drive the sensing module.

3. A near field communication array reading device according to claim 1, characterized in that: The control module comprises: A power conversion unit is used to convert an external power supply into a power signal compatible with the near field communication array reading device.

4. A near field communication array reading device according to claim 1, characterized in that: The control module comprises: A control unit is used to control the associated module according to a pre-programmed program and process the tag signal input to the control module.

5. A near field communication array reading device according to claim 1, characterized in that: The plurality of label units are fixed to the plurality of objects to be detected, and the label units correspond to the objects to be detected one by one.

6. A near field communication array reading device according to any one of claims 1 to 5, characterized in that: The near field communication array reading device further comprises: A main controller is connected to each of the control modules, and is used to simultaneously acquire a plurality of the tag signals and realize position identification of a plurality of the tag units based on the plurality of the tag signals.

7. A near field communication array reading device according to claim 1, characterized in that: The sensing module includes an antenna plate, and adjacent antenna plates are detachably connected.

8. A near field communication array reading device according to claim 7, characterized in that: The antenna plate matches the structure of the track conveying device.

9. A near field communication array reading device according to claim 1, characterized in that: The sensing module is separately arranged from the control module, and the sensing module can be detachably assembled on the track conveying device.

10. A track conveying system, characterized in that: It comprises a track conveying device and a near field communication array reading device according to any one of claims 1-9.

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