Electronic tag, chip, and electronic tag impact detection method and device

Abstract

The invention provides an electronic tag, a chip and an impact detection method and device of the electronic tag, and belongs to the technical field of electronic tags. The electronic tag comprises a function unit which comprises a piezoelectric vibration sensor used for detecting the pressure borne by an article in the transportation process; the trigger unit is electrically connected with the functional unit and used for determining the pressed state of the article based on the pressure signal collected by the piezoelectric vibration sensor; and the processing unit is electrically connected with the triggering unit and is used for storing the pressed state of the article, so that a reader-writer which is in communication connection with the processing unit reads the pressed state. According to the invention, the pressure borne by the article during transportation is detected, then the pressed state of the article is determined through the trigger unit, and then the pressed state of the article is stored through the processing unit, so that the reader-writer in communication connection with the processing unit can read the pressed state. According to the embodiment of the invention, the compression state of the article is monitored during article transportation, and impact detection on the article in the transportation process is realized.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic tags, and in particular to an electronic tag, a chip, an impact detection method for an electronic tag, an impact detection device for an electronic tag, a machine-readable storage medium and a computer program product. Background Art

[0002] Radio Frequency Identification (RFID) is a contactless automatic identification technology that is mainly used to obtain item information. When an existing item is transported, a reader is used to write information to a specific register of the item's electronic tag before the item is transported. When the item is transported to the user, the reader is used to read the information in the aforementioned specific register to complete the verification of the item information.

[0003] However, current electronic tags for items are generally used to identify item information, have a single function, and are unable to detect impacts on items during transportation. Summary of the invention

[0004] The purpose of the embodiments of the present invention is to provide an electronic tag, a chip, an electronic tag impact detection method and a device to solve the defect that the current electronic tags of objects are generally used to identify object information, have a single function, and cannot realize impact detection of objects during transportation.

[0005] In order to achieve the above object, an embodiment of the present invention provides an electronic tag, which is arranged on an item to be transported, and includes:

[0006] a functional unit, the functional unit comprising a piezoelectric vibration sensor for detecting the pressure to which the article is subjected during transportation;

[0007] a trigger unit, electrically connected to the functional unit, and configured to determine a pressure state of the object based on a pressure signal collected by the piezoelectric vibration sensor;

[0008] The processing unit is electrically connected to the trigger unit and is used to store the pressure state of the object so that a reader / writer connected to the processing unit for communication can read the pressure state.

[0009] Optionally, the trigger unit includes:

[0010] a reference voltage generator, configured to generate a reference voltage signal for comparison with the pressure signal;

[0011] A comparator is electrically connected to the reference voltage generator and the piezoelectric vibration sensor, respectively, and is used to determine the pressure state of the object based on a comparison result of the reference voltage signal and the pressure signal.

[0012] Optionally, the piezoelectric vibration sensor is also electrically connected to the processing unit, and is used to supply power to the processing unit with electrical energy converted from the vibration of the object.

[0013] Optionally, the functional unit further includes:

[0014] A voltage stabilizing element, electrically connected to the piezoelectric vibration sensor, and used to stabilize the electric energy output by the piezoelectric vibration sensor;

[0015] An energy storage element is electrically connected to the piezoelectric vibration sensor and is used to store the electric energy output by the voltage stabilizing element.

[0016] Optionally, the energy storage element is electrically connected to the processing unit, and the energy storage element is also used to supply power to the processing unit with stored electrical energy.

[0017] On the other hand, an embodiment of the present invention further provides a chip, comprising the electronic tag described above.

[0018] On the other hand, an embodiment of the present invention further provides an impact detection method for an electronic tag, which is applied to the above-mentioned electronic tag, and the method includes:

[0019] The piezoelectric vibration sensor in the control function unit detects the pressure on the items during transportation;

[0020] The control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor;

[0021] The control processing unit stores the pressure state of the article so that the reader / writer connected to the processing unit for communication can read the pressure state.

[0022] Optionally, the trigger unit includes a reference voltage generator and a comparator; the control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor, including:

[0023] controlling a reference voltage generator to generate a reference voltage signal to be compared with the pressure signal;

[0024] The comparator is controlled to determine the pressurized state of the object based on a comparison result of the reference voltage signal and the pressure signal.

[0025] Optionally, the control comparator determines the pressure state of the object based on the comparison result of the reference voltage signal and the pressure signal, including:

[0026] When the pressure signal is greater than the reference voltage signal, the comparator is controlled to determine that the compressed state of the article is a compressed damaged state;

[0027] When the pressure signal is less than or equal to the reference voltage signal, the comparator is controlled to determine that the pressurized state of the object is a normal pressurized state.

[0028] On the other hand, an embodiment of the present invention further provides an impact detection device for an electronic tag, comprising:

[0029] A first control module, used to control the piezoelectric vibration sensor in the functional unit to detect the pressure on the object during transportation;

[0030] A second control module, configured to control a trigger unit to determine a pressure state of the object based on a pressure signal collected by the piezoelectric vibration sensor;

[0031] The third control module is used to control the processing unit to store the pressure state of the object so that the reader / writer connected to the processing unit in communication can read the pressure state.

[0032] Optionally, the trigger unit includes a reference voltage generator and a comparator; the control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor, including:

[0033] controlling a reference voltage generator to generate a reference voltage signal to be compared with the pressure signal;

[0034] The comparator is controlled to determine the pressurized state of the object based on a comparison result of the reference voltage signal and the pressure signal.

[0035] Optionally, the control comparator determines the pressure state of the object based on the comparison result of the reference voltage signal and the pressure signal, including:

[0036] When the pressure signal is greater than the reference voltage signal, the comparator is controlled to determine that the compressed state of the article is a compressed damaged state;

[0037] When the pressure signal is less than or equal to the reference voltage signal, the comparator is controlled to determine that the pressurized state of the object is a normal pressurized state.

[0038] On the other hand, the present invention further provides a machine-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the impact detection method of the electronic tag is implemented.

[0039] On the other hand, the present invention further provides a computer program product, including a computer program, wherein when the computer program is executed by a processor, the impact detection method of the electronic tag is implemented.

[0040] Through the above technical solution, the electronic tag of the embodiment of the present invention detects the pressure of the article during transportation through the piezoelectric vibration sensor, determines the pressure state of the article through the trigger unit, and stores the pressure state of the article through the processing unit so that the reader / writer connected to the processing unit can read the pressure state. The embodiment of the present invention monitors the pressure state of the article during transportation and detects the impact of the article during transportation.

[0041] Other features and advantages of the embodiments of the present invention will be described in detail in the subsequent detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute a part of the specification. Together with the following specific implementations, they are used to explain the embodiments of the present invention, but do not constitute a limitation on the embodiments of the present invention. In the accompanying drawings:

[0043] Figure 1 This is one of the structural schematic diagrams of the electronic tag provided by the present invention;

[0044] Figure 2 This is the second structural schematic diagram of the electronic tag provided by the present invention;

[0045] Figure 3 It is a schematic flow chart of the impact detection method of the electronic tag provided by the present invention;

[0046] Figure 4 It is a structural schematic diagram of the impact detection device for the electronic tag provided by the present invention. DETAILED DESCRIPTION

[0047] The specific implementation of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the present invention, and is not used to limit the embodiment of the present invention.

[0048] Please refer to Figure 1 The embodiment of the present invention provides an electronic tag, which is arranged on an item to be transported. The item to be transported here can be various Internet of Things products, such as smart light bulbs, smart sockets, smart door locks, smart home appliances, etc. The electronic tag includes: a functional unit 10, a trigger unit 20 and a processing unit 30.

[0049] Among them, the functional unit 10 includes a piezoelectric vibration sensor 11 for detecting the pressure exerted on the article during transportation. The piezoelectric vibration sensor 11 is a vibration energy collector based on the piezoelectric effect. Under the action of mechanical stress, the positive and negative charge centers inside the vibration energy collector are relatively displaced and polarized, resulting in the appearance of bound charges of opposite signs on the surfaces of both ends of the material, that is, the piezoelectric effect, which is sensitive. The piezoelectric vibration sensor 11 in the embodiment of the present invention can adopt a piezoelectric vibration sensor based on piezoelectric ceramics.

[0050] Based on the piezoelectric effect and sensitivity of the piezoelectric vibration sensor 11, the piezoelectric vibration sensor 11 of the embodiment of the present invention can be used to detect the pressure on the object during transportation. According to the design threshold of the pressure on the object, the piezoelectric vibration sensor 11 of the embodiment of the present invention can be constructed with a suitable piezoelectric ceramic. In addition, the structure of the piezoelectric vibration sensor 11 can be a cantilever beam structure, which has a simple structure, high energy conversion efficiency, and is easy to manufacture, and is suitable for portable or wireless sensor network devices.

[0051] The trigger unit 20 is electrically connected to the functional unit 10, and is used to determine the pressure state of the object based on the pressure signal output by the piezoelectric vibration sensor 11. Specifically, the trigger unit 20 can determine the pressure state of the object based on the pressure signal and the reference voltage signal output by the piezoelectric vibration sensor 11. When the pressure signal is greater than the reference voltage signal, it indicates that the pressure on the object is abnormal; otherwise, the pressure signal is less than or equal to the reference voltage signal, which indicates that the pressure on the object is normal.

[0052] The processing unit 30 is electrically connected to the trigger unit 20 and is used to store the pressure state of the article so that the reader / writer connected to the processing unit 30 can read the pressure state. The processing unit 30 is centered on the electronic tag chip. The processing unit 30 includes a specific register for storing the byte position of the pressure state. The processing unit 30 communicates with the reader / writer via the radio frequency interface. It should be noted that the articles will pass through the radio frequency gate in batches before transportation, and the reader / writer will write 0 to the specific register of the electronic tag of the article. When the article is transported to the destination, the specific register of the electronic tag of the article is read by the reader / writer to check the corresponding byte position: if it is 0, it indicates that the product transportation meets the requirements; if it is 1 (abnormal pressure), it indicates that the product is damaged by pressure during transportation, and corresponding measures (such as replacing the article) are used to deal with it; if it is other values, it indicates that the product is abnormal and corresponding measures are used to deal with it.

[0053] The electronic tag of the embodiment of the present invention detects the pressure of the article during transportation through the piezoelectric vibration sensor 11, determines the pressure state of the article through the trigger unit 20, and stores the pressure state of the article through the processing unit 30, so that the reader / writer connected to the processing unit 30 can read the pressure state. The embodiment of the present invention monitors the pressure state of the article during transportation and detects the impact of the article during transportation.

[0054] For other aspects of the embodiments of the present invention, please refer to Figure 2 The trigger unit 20 includes: a reference voltage generator 21 and a comparator 22 .

[0055] The reference voltage generator 21 is used to generate a reference voltage signal for comparison with the pressure signal. The reference voltage generator 21 has extremely low power consumption, which is only in the microwatt level. In one embodiment, the reference voltage signal can be provided by the functional unit 10.

[0056] The comparator 22 is electrically connected to the reference voltage generator 21 and the piezoelectric vibration sensor 11, respectively, and is used to determine the pressure state of the article based on the comparison result of the reference voltage signal and the pressure signal. When the pressure signal is less than or equal to the reference voltage signal, the comparator 22 circuit outputs the pressure state as 0; when the pressure signal is greater than the reference voltage signal, the pressure is abnormal, and the comparator 22 circuit outputs the pressure state from 0 to 1, which is transmitted to the processing unit 30 in time. The embodiment of the present invention provides that the corresponding byte bit is set in the specific register of the processing unit 30 of the electronic tag of the article. The default value 0 refers to the pressure that does not exceed the threshold value (i.e., the normal pressure state), and the specified value 1 refers to the pressure that exceeds the threshold value (i.e., the pressure damaged state). When the pressure state of the article under pressure reported exceeds this threshold, the corresponding byte bit in the above-mentioned specific register is changed from 0 to 1. In the electronic tag of the embodiment of the present invention, by storing the pressure state of the article and comparing the pressure state before and after transportation, it is convenient to find the abnormality caused by collision, impact, falling and other factors during transportation and deal with it in time.

[0057] When the pressure on an item exceeds the limit due to collision, impact, falling, etc. during transportation, the electronic tag of the item automatically writes the pressure status to the specific register of the processing unit 30. In order to perform this operation normally, sufficient power must be provided to the electronic tag of the item. At present, batteries are generally used as power sources, which not only have defects such as difficulty in replacement and volume limitations, but also are not suitable for the requirements of the aforementioned operations being short-lived, random, and occurring infrequently. According to the characteristics that items are easily affected by the environment and generate vibrations during transportation, the embodiment of the present invention adopts piezoelectric vibration energy harvesting technology and utilizes a piezoelectric vibration sensor 11 based on piezoelectric ceramics to power the item.

[0058] In other aspects of the embodiment of the present invention, the piezoelectric vibration sensor 11 is also electrically connected to the processing unit 30, and is used to power the processing unit 30 with the electric energy converted from the vibration of the object. Based on the piezoelectric effect of the piezoelectric vibration sensor 11, that is, the vibration of the external environment causes the bending and deformation of materials such as piezoelectric ceramics, resulting in alternating stress inside the materials such as piezoelectric ceramics, a potential difference is generated on the two electrode surfaces of the piezoelectric layer according to the piezoelectric effect, so as to realize the power supply to the processing unit 30. The piezoelectric vibration sensor 11 converts the mechanical energy generated by the vibration of the object during transportation into electric energy, and provides emergency and short-term power to the processing unit 30 of the electronic tag when necessary. Therefore, when the pressure of the object exceeds the limit due to collision, impact, falling and other factors during transportation, the electronic tag of the object automatically writes the pressure state to the specific register of the processing unit 30. That is, the piezoelectric vibration sensor 11 of the embodiment of the present invention has a composite role (dual role), one is to monitor the external pressure borne by the object, and the other is to provide emergency and short-term power to the high-security electronic tag when necessary.

[0059] Therefore, the electronic tag of the embodiment of the present invention, on the one hand, realizes vibration energy acquisition during transportation by using the piezoelectric effect, and provides emergency short-term power supply to the electronic tag of the Internet of Things item when needed; on the other hand, it utilizes the characteristic of the electronic tag to obtain information, and realizes emergency short-term power supply based on the piezoelectric effect characteristics of piezoelectric ceramics. By comparing the pressure state before and after transportation, it is discovered that abnormalities caused by collision, impact, falling and other factors during transportation can be handled in time, thereby realizing the monitoring status of the item during transportation.

[0060] In other aspects of the embodiment of the present invention, the functional unit 10 further includes a voltage stabilizing element (not shown) and an energy storage element (not shown).

[0061] The voltage stabilizing element is electrically connected to the piezoelectric vibration sensor 11, and is used to stabilize the voltage of the electric energy output by the piezoelectric vibration sensor 11. Since the items are subject to constantly changing external pressure during transportation, the electric energy output by the piezoelectric vibration sensor 11 is also constantly changing. In order to stabilize the output voltage of the piezoelectric vibration sensor 11, the functional unit 10 also includes a voltage stabilizing element electrically connected to the piezoelectric vibration sensor 11. In one embodiment, the voltage stabilizing element may be a DC-DC conversion circuit, etc.

[0062] The energy storage element is electrically connected to the piezoelectric vibration sensor 11, and is used to store the electric energy output by the voltage stabilizing element. The piezoelectric vibration sensor 11 collects and stores the electric energy converted from the vibration mechanical energy. Since the items often vibrate during transportation, the functional unit 10 generates electric energy multiple times accordingly, and the energy storage element mainly plays the role of collecting and storing. It should be noted that the energy storage element in the embodiment of the present invention can use a capacitor.

[0063] In other aspects of the embodiment of the present invention, the energy storage element is electrically connected to the processing unit 30, and is also used to supply the stored electric energy to the processing unit 30. In addition to collecting and storing the electric energy generated by the piezoelectric vibration sensor 11, the energy storage element in the embodiment of the present invention also has the function of quickly replenishing electric energy to the processing unit 30. Since the electric energy provided by the functional unit 10 at a time is limited, the energy storage element plays the role of quickly replenishing electric energy.

[0064] In summary, the reader / writer can read and write electronic tags regardless of whether it is powered on or not. By utilizing this function, a normal pressure state mark (for example, 0) is formed in the electronic tag in advance before the item is transported. The piezoelectric vibration sensor 11 detects the pressure on the item and converts mechanical energy into electrical energy. By utilizing this function, when the pressure on the item exceeds the limit due to collision, impact, falling, etc. during transportation, an abnormal pressure state mark (for example, 1) is formed in the electronic tag. After the item is transported, it is detected whether the pressure state in the electronic tag is normal or abnormal to determine whether the transportation of the item meets the requirements. Therefore, the function of the electronic tag in the embodiment of the present invention is no longer single, and it is possible to monitor the pressure state of the item when it is transported, realize impact detection of the item during transportation, expand the application field of electronic tags, and improve the quality supervision system of the Internet of Things.

[0065] On the other hand, an embodiment of the present invention further provides a chip (not shown), including the electronic tag of the above item. The chip includes the electronic tag. The specific structure of the electronic tag refers to the above embodiment. Since the present chip adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0066] Method Embodiment

[0067] On the other hand, please refer to Figure 3 The embodiment of the present invention further provides an impact detection method for an electronic tag, which is applied to the above-mentioned electronic tag, and the method includes:

[0068] Step 100, the piezoelectric vibration sensor in the control function unit detects the pressure exerted on the object during transportation;

[0069] Step 200: controlling the trigger unit to determine the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor;

[0070] Step 300: Control the processing unit to store the pressure state of the object so that a reader / writer in communication with the processing unit can read the pressure state.

[0071] The piezoelectric vibration sensor in the electronic tag control function unit detects the pressure on the item during transportation. The electronic tag control trigger unit can determine the pressure state of the item based on the pressure signal and the reference voltage signal collected by the piezoelectric vibration sensor. When the pressure signal is greater than the reference voltage signal, it means that the pressure on the item is abnormal; otherwise, the pressure signal is less than or equal to the reference voltage signal, indicating that the pressure on the item is normal. The electronic tag control processing unit stores a specific register of the byte bit of the pressure state. It should be noted that before the items are transported, they will pass through the radio frequency gate in batches, and the reader will write 0 to the specific register of the electronic tag of the item. When the item is transported to the destination, the specific register of the electronic tag of the item is read by the reader, and the corresponding byte bit is checked: if it is 0, it means that the product transportation meets the requirements; if it is 1 (abnormal pressure), it means that the product is damaged by pressure during transportation, and corresponding measures (such as replacing the item) are used to deal with it; if it is other values, it means that the product is abnormal, and corresponding measures are used to deal with it.

[0072] The embodiment of the present invention controls the piezoelectric vibration sensor to detect the pressure on the article during transportation, controls the trigger unit to determine the pressure state of the article, and controls the processing unit to store the pressure state of the article so that the reader / writer connected to the processing unit can read the pressure state. The embodiment of the present invention monitors the pressure state of the article during transportation and detects the impact on the article during transportation.

[0073] In other aspects of the embodiments of the present invention, the trigger unit includes a reference voltage generator and a comparator; the control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor, including:

[0074] Step 210: Control a reference voltage generator to generate a reference voltage signal to be compared with the pressure signal.

[0075] Step 220: Control the comparator to determine the pressure state of the object based on the comparison result between the reference voltage signal and the pressure signal.

[0076] Specifically, the control comparator determines the pressure state of the object based on the comparison result of the reference voltage signal and the pressure signal, including: when the pressure signal is greater than the reference voltage signal, the control comparator determines that the pressure state of the object is a pressure-damaged state; when the pressure signal is less than or equal to the reference voltage signal, the control comparator determines that the pressure state of the object is a normal pressure state.

[0077] The electronic tag controls the reference voltage generator to generate a reference voltage signal for comparison with the pressure signal. When the pressure signal is less than or equal to the reference voltage signal, the electronic tag controls the comparator circuit to output a pressure state of 0; when the pressure signal is greater than the reference voltage signal, the pressure is abnormal, and the electronic tag controls the comparator circuit to output a pressure state that changes from 0 to 1, and transmits it to the processing unit in time. The embodiment of the present invention provides for setting a corresponding byte bit in a specific register in the processing unit of the electronic tag of the item. The default value 0 refers to the pressure that does not exceed the threshold value (normal pressure state), and the specified value 1 refers to the pressure that exceeds the threshold value (pressure damaged state). When the pressure state of the pressure of the feedback item exceeds this threshold, the corresponding byte bit in the above-mentioned specific register is changed from 0 to 1. In the electronic tag of the embodiment of the present invention, by storing the pressure state of the item and comparing the pressure state before and after transportation, it is convenient to handle the abnormality caused by collision, impact, falling and other factors during transportation in a timely manner.

[0078] Device Embodiment

[0079] Please refer to Figure 4 On the other hand, an embodiment of the present invention further provides an impact detection device for an electronic tag, comprising:

[0080] The first control module 401 is used to control the piezoelectric vibration sensor in the functional unit to detect the pressure on the object during transportation;

[0081] A second control module 402, configured to control a trigger unit to determine a pressure state of the object based on a pressure signal collected by the piezoelectric vibration sensor;

[0082] The third control module 403 is used to control the processing unit to store the pressure state of the object so that the reader / writer in communication with the processing unit can read the pressure state.

[0083] The embodiment of the present invention controls the piezoelectric vibration sensor to detect the pressure on the article during transportation, controls the trigger unit to determine the pressure state of the article, and controls the processing unit to store the pressure state of the article so that the reader / writer connected to the processing unit can read the pressure state. The embodiment of the present invention monitors the pressure state of the article during transportation and detects the impact on the article during transportation.

[0084] Optionally, the trigger unit includes a reference voltage generator and a comparator; the control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor, including:

[0085] controlling a reference voltage generator to generate a reference voltage signal to be compared with the pressure signal;

[0086] The comparator is controlled to determine the pressurized state of the object based on a comparison result of the reference voltage signal and the pressure signal.

[0087] Optionally, the control comparator determines the pressure state of the object based on the comparison result of the reference voltage signal and the pressure signal, including:

[0088] When the pressure signal is greater than the reference voltage signal, the comparator is controlled to determine that the compressed state of the article is a compressed damaged state;

[0089] When the pressure signal is less than or equal to the reference voltage signal, the comparator is controlled to determine that the pressurized state of the object is a normal pressurized state.

[0090] The impact detection device of the electronic tag includes a processor and a memory. The first control module, the second control module and the third control module are stored in the memory as program units. The processor executes the program units stored in the memory to realize corresponding functions.

[0091] The processor includes a kernel, which calls the corresponding program unit from the memory. There can be one or more kernels.

[0092] The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and / or non-volatile memory, such as read-only memory (ROM) or flash RAM, and the memory includes at least one memory chip.

[0093] On the other hand, the present invention also provides a computer program product, which includes a computer program. The computer program can be stored on a machine-readable storage medium. When the computer program is executed by a processor, the computer can execute an impact detection method for an electronic tag, which method includes: controlling a piezoelectric vibration sensor in a functional unit to detect the pressure exerted on an item during transportation; controlling a trigger unit to determine the pressure state of the item based on a pressure signal collected by the piezoelectric vibration sensor; and controlling a processing unit to store the pressure state of the item so that a reader / writer connected to the processing unit in communication can read the pressure state.

[0094] On the other hand, the present invention also provides a machine-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to execute an impact detection method for an electronic tag, the method comprising: controlling a piezoelectric vibration sensor in a functional unit to detect the pressure exerted on an object during transportation; controlling a trigger unit to determine a pressure state of the object based on a pressure signal collected by the piezoelectric vibration sensor; and controlling a processing unit to store the pressure state of the object so that a reader / writer connected to the processing unit in communication can read the pressure state.

[0095] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0096] Through the description of the above implementation methods, those skilled in the art can clearly understand that each implementation method can be implemented by means of software plus a necessary general hardware platform, and of course, it can also be implemented by hardware. Based on this understanding, the above technical solution is essentially or the part that contributes to the prior art can be embodied in the form of a software product, and the computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a disk, an optical disk, etc., including a number of instructions for a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or some parts of the embodiments.

[0097] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electronic tag, characterized in that: The electronic tag is provided on the item to be transported, and the electronic tag includes: a functional unit, the functional unit comprising a piezoelectric vibration sensor for detecting the pressure to which the article is subjected during transportation; a trigger unit, electrically connected to the functional unit, and configured to determine a pressure state of the object based on a pressure signal collected by the piezoelectric vibration sensor; The processing unit is electrically connected to the trigger unit and is used to store the pressure state of the object so that a reader / writer connected to the processing unit for communication can read the pressure state.

2. The electronic tag according to claim 1, characterized in that: The trigger unit comprises: a reference voltage generator, configured to generate a reference voltage signal for comparison with the pressure signal; A comparator is electrically connected to the reference voltage generator and the piezoelectric vibration sensor, respectively, and is used to determine the pressure state of the object based on a comparison result of the reference voltage signal and the pressure signal.

3. The electronic tag according to claim 1, characterized in that: The piezoelectric vibration sensor is also electrically connected to the processing unit and is used to supply power to the processing unit with the electrical energy converted from the vibration of the object.

4. The electronic tag according to claim 3, characterized in that: The functional unit also includes: A voltage stabilizing element, electrically connected to the piezoelectric vibration sensor, and used to stabilize the electric energy output by the piezoelectric vibration sensor; An energy storage element is electrically connected to the piezoelectric vibration sensor and is used to store the electric energy output by the voltage stabilizing element.

5. The electronic tag according to claim 4, characterized in that: The energy storage element is electrically connected to the processing unit, and the energy storage element is also used to supply power to the processing unit with stored electrical energy.

6. A chip, characterized in that: The electronic tag comprises the electronic tag according to any one of claims 1 to 5.

7. A method for detecting impact of an electronic tag, characterized in that: The electronic tag applied to any one of claims 1 to 5, the method comprising: The piezoelectric vibration sensor in the control function unit detects the pressure on the items during transportation; The control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor; The control processing unit stores the pressure state of the article so that the reader / writer connected to the processing unit for communication can read the pressure state.

8. The impact detection method of the electronic tag according to claim 7, characterized in that: The trigger unit includes a reference voltage generator and a comparator; the control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor, including: controlling a reference voltage generator to generate a reference voltage signal to be compared with the pressure signal; The comparator is controlled to determine the pressurized state of the object based on a comparison result of the reference voltage signal and the pressure signal.

9. The impact detection method of the electronic tag according to claim 8, characterized in that: The control comparator determines the pressure state of the object based on the comparison result of the reference voltage signal and the pressure signal, including: When the pressure signal is greater than the reference voltage signal, the comparator is controlled to determine that the compressed state of the article is a compressed damaged state; When the pressure signal is less than or equal to the reference voltage signal, the comparator is controlled to determine that the pressurized state of the object is a normal pressurized state.

10. An impact detection device for an electronic tag, characterized in that: include: A first control module, used to control the piezoelectric vibration sensor in the functional unit to detect the pressure on the object during transportation; A second control module, configured to control a trigger unit to determine a pressure state of the object based on a pressure signal collected by the piezoelectric vibration sensor; The third control module is used to control the processing unit to store the pressure state of the object so that the reader / writer connected to the processing unit in communication can read the pressure state.

11. The impact detection device for an electronic tag according to claim 10, characterized in that: The trigger unit includes a reference voltage generator and a comparator; the control trigger unit determines the pressure state of the object based on the pressure signal collected by the piezoelectric vibration sensor, including: controlling a reference voltage generator to generate a reference voltage signal to be compared with the pressure signal; The comparator is controlled to determine the pressurized state of the object based on a comparison result of the reference voltage signal and the pressure signal.

12. The impact detection device for an electronic tag according to claim 11, characterized in that: The control comparator determines the pressure state of the object based on the comparison result of the reference voltage signal and the pressure signal, including: When the pressure signal is greater than the reference voltage signal, the comparator is controlled to determine that the compressed state of the article is a compressed damaged state; When the pressure signal is less than or equal to the reference voltage signal, the comparator is controlled to determine that the pressurized state of the object is a normal pressurized state.

13. A machine-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the impact detection method for the electronic tag according to any one of claims 7 to 9 is implemented.

14. A computer program product comprising a computer program, characterized in that When the computer program is executed by a processor, the impact detection method for the electronic tag according to any one of claims 7 to 9 is implemented.

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