CN107133659A - Articles seeking device, articles seeking method and electronic tag - Google Patents

Abstract

The present invention provides an item search device, an item search method, and an electronic tag. The device first uses a first scanner to transmit a first radio signal with a lower frequency. The signal has a lower directivity and can have a larger main lobe Width, so that the first scanner has a larger search range, so as to be able to quickly determine the area where the target item is located. Then, a second radio signal with a higher frequency is transmitted by means of a second scanner, and the signal has a higher directivity, so that the second scanner can accurately search within a smaller search range to determine the location of the target item in the above-mentioned area. specific location. The article search device, the article search method and the technical solution of the electronic tag provided by the present invention can quickly locate the target article, thereby greatly improving the efficiency of searching for a specific article among a large number of articles.

Description

Item search device, item search method and electronic label

technical field

The present invention relates to the field of communication technology, in particular to an item search device, an item search method and an electronic tag used in conjunction with the item search device.

Background technique

In life and work, people often need to count a huge number of items, or look for needed items among a huge number of items. However, it is not a simple matter to immediately find the desired item among the huge amount of items.

For example, people usually like to store clothes in a clothes storage bag or a clothes storage box according to different seasons, but when a certain piece of clothing needs to be taken out, they often forget which clothes storage bag or clothes storage box it is stored in Now, in this case, there is usually no particularly effective way except to disassemble the storage bags or storage boxes one by one, take out all the clothes in them, and then check them one by one. This is not only time-consuming and laborious, but also once there is no target clothing in the opened bag, it is very inconvenient to put all the clothing back into the storage bag or storage box.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art, and proposes an item search device, an item search method, and an electronic tag, which can quickly locate the target item, thereby greatly improving the quality of the items in a large number of items. Efficiency in finding specific items.

In order to realize the object of the present invention, a kind of item searching device is provided, comprising:

The memory is used to store the identification information of each item and the code of the electronic tag corresponding to the identification information; the electronic tag is set on the item;

The input and display unit is used to receive the search information of the target item input by the user and display the identification information of the target item;

The first scanner is used to transmit the first radio signal and receive the first echo electric signal fed back by each of the electronic tags after receiving the first radio signal; the first echo electric signal contains the electronic the encoding of the label;

The second scanner is used to transmit the second radio signal, and receive the second echo electric signal fed back by each of the electronic tags after receiving the second radio signal; the second echo electric signal contains the electronic encoding of the tag; the frequency of the second radio signal is higher than the frequency of the first radio signal;

a controller, configured to search for the identification information of the target item in the memory according to the search information, and send it to the input and display unit for display; determine the identity of the electronic tag included in the first echo signal Whether the code is the code of the electronic tag corresponding to the identification information of the target item, if so, determine the area where the target item is located; and determine whether the code of the electronic tag contained in the second echo signal is the If the code of the electronic tag corresponding to the identification information of the target item is identified, the specific location of the target item is determined in the area.

Preferably, it also includes an antenna having a concave surface, and the cross-sectional shape of the concave surface along its center line is parabolic;

The first scanner includes a first surface for transmitting and receiving signals, the first surface is located on a side of the focal point of the concave surface close to the concave surface and opposite to the concave surface;

The second scanner includes a second surface for transmitting and receiving signals, the second surface being at the focal point of the concave surface and facing away from the concave surface.

Preferably, the first scanner includes a first signal transmitter and a first signal receiver, the transmitting surface of the first signal transmitter and the receiving surface of the first signal receiver together constitute the first surface ;

The second scanner includes a second signal transmitter and a second signal receiver, and the transmitting surface of the second signal transmitter and the receiving surface of the second signal receiver together constitute the second surface.

Preferably, it also includes a shell and a bracket, wherein,

The antenna is arranged on the housing;

The bracket is used to support the first scanner and the second scanner, and the wiring of the two is embedded in the bracket.

Preferably, the retrieval information includes at least one of item pictures, item keywords and item categories.

Preferably, an image collector is also included, configured to take a picture of the item, use it as the identification information, and send it to the memory.

Preferably, the signal propagation distance is adjusted by adjusting the transmitting power of the first scanner and/or the transmitting power of the second scanner.

As another technical solution, the present invention also provides an electronic tag, which is used in conjunction with the above-mentioned item search device provided by the present invention; including:

a first signal source, the frequency of which corresponds to the frequency of the first radio signal, and is used to feed back the first echo signal when the first radio signal is received;

The second signal source, the frequency of which corresponds to the frequency of the second radio signal, is used to feed back the second echo signal when the second radio signal is received.

Preferably, the first signal source communicates with the first scanner using RFID or NFC; the second signal source communicates with the second scanner using RFID or NFC.

As another technical solution, the present invention also provides an item search method, which includes:

storing the identification information of each item and the code of the electronic tag corresponding to the identification information; the electronic tag is set on the item;

Receiving the retrieval information of the target item input by the user;

Searching for the identification information of the target item in the stored identification information of each item according to the retrieval information, and displaying the identification information of the target item;

Transmitting a first radio signal, and receiving a first echo electrical signal fed back by each of the electronic tags after receiving the first wireless signal; the first echo electrical signal contains the code of the electronic tag;

Judging whether the code of the electronic tag contained in the first echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determining the area where the target item is located;

Transmitting a second radio signal, and receiving a second echo electrical signal fed back by each of the electronic tags after receiving the second wireless signal; the second echo electrical signal contains the code of the electronic tag; the first the frequency of the second radio signal is higher than the frequency of the first radio signal;

Judging whether the code of the electronic tag contained in the second echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determining the specific position of the target item in the area.

The present invention has the following beneficial effects:

In the technical solution of the item search device, item search method and electronic tag provided by the present invention, firstly, the first radio signal with a lower frequency is transmitted by the first scanner, the signal has a lower directivity and can have a larger main wave Lobe width, so that the first scanner has a larger search range, so as to be able to quickly determine the area where the target item is located. Then, a second radio signal with a higher frequency is transmitted by means of a second scanner, and the signal has a higher directivity, so that the second scanner can accurately search within a smaller search range to determine the location of the target item in the above-mentioned area. specific location. Thus, the target item can be quickly located, thereby greatly improving the efficiency of finding a specific item among a large number of items.

Description of drawings

FIG. 1 is a functional block diagram of an item search device provided by an embodiment of the present invention;

FIG. 2A is a structural diagram of an item search device provided by an embodiment of the present invention;

2B is an enlarged view of the first scanner and the second scanner in the embodiment of the present invention;

Figure 2C is a view of the item search device in the I direction in Figure 2A;

3 is a path diagram of a first radio signal and a second radio signal in an embodiment of the present invention;

FIG. 4 is a structural diagram of an electronic tag provided by an embodiment of the present invention;

Fig. 5 is a flowchart of an item search method provided by an embodiment of the present invention.

detailed description

In order for those skilled in the art to better understand the technical solution of the present invention, the article search device, article search method and electronic tag provided by the present invention will be described in detail below in conjunction with the accompanying drawings.

FIG. 1 is a functional block diagram of an item search device provided by an embodiment of the present invention. Please refer to Figure 1, the item search device includes:

The memory 1 is used to store the identification information of each item and the code of the electronic tag corresponding to the identification information. The electronic label is sewn or pasted on the article to become a part of the article, for example, it is sewn or pasted on the washing label of the clothes. The above identification information may include item pictures or item text information.

The input and display unit 2 is used for receiving the search information of the target item input by the user and displaying the identification information of the target item. The retrieval information includes at least one of item pictures, item keywords and item categories. The input and display unit 2 can be a touch screen, or a screen and a keyboard.

The first scanner 4 is configured to transmit a first radio signal and receive a first echo electrical signal fed back by each electronic tag 11 after receiving the first radio signal. The first echo electrical signal includes the code of the electronic tag.

The second scanner 5 is configured to transmit a second radio signal, and receive a second echo electrical signal fed back by each electronic tag 11 after receiving the second radio signal. The second echo electrical signal includes the code of the electronic tag.

Moreover, the frequency of the second radio signal is higher than the frequency of the above-mentioned first radio signal, that is, the first scanner transmits the first radio signal with a lower frequency, and the second scanner transmits the second radio signal with a higher frequency.

The controller 3 is configured to search the memory for the identification information of the target item according to the search information, and send it to the input and display unit for display; determine the code of the electronic tag included in the first echo signal Whether it is the code of the electronic tag corresponding to the identification information of the target item, and if so, determine the area where the target item is located; and determine whether the code of the electronic tag contained in the second echo signal is the electronic The code of the tag, if so, then determine the specific location of the target item in the area.

When in use, firstly, the first radio signal with a lower frequency is transmitted by means of the first scanner 4, which has a lower directivity and can have a larger main lobe width, so that the first scanner 4 has a larger The search range to be able to quickly determine the area where the target item is located. Then, by means of the second scanner 5, a second radio signal with a higher frequency is emitted, and the directivity of the signal is higher, so that the second scanner 5 can accurately search within a smaller search range to determine in the above-mentioned area The specific location of the target item. Thus, the target item can be quickly located, thereby greatly improving the efficiency of finding a specific item among a large number of items.

The specific implementation manner of the item search device provided in this embodiment will be described in detail below with reference to FIG. 2A to FIG. 2C . Specifically, the item finding device includes a memory 1 , an input and display unit 2 , a controller 3 , a first scanner 4 , a second scanner 5 , a housing 6 , a battery 7 and an image collector 8 . Among them, the identification information of each item can be entered by taking pictures, inputting text information, etc., and the code of the electronic tag can be entered by scanning the electronic tag 11 and stored in the memory 1 . In this embodiment, the image collector 8 is arranged on the casing 6 and is used to take a picture of the item, use it as the above identification information, and send it to the memory 1 . The image collector 8 includes a flash 81 and a camera 82 . At the same time, text information such as the name of the article can be input through the input and display unit 2, used as the identification information, and sent to the memory 1; The tag 11 is used to record the code of the electronic tag and store it in the memory 1, so as to establish the correspondence between the identification information of the item and the code of the electronic tag.

The input and display unit 2 is used for receiving the search information of the target item input by the user. The retrieval information includes at least one of item pictures, item keywords and item categories. For example, the user can input the keyword of the target item through the input and display unit 2; the controller 3 searches the memory 1 for the identification information of the target item containing the keyword according to the keyword, and sends it to the input and display unit 2 for display . And, the controller 3 successively controls the first scanner 4 and the second scanner 5 to scan, so as to find the electronic label whose code corresponds to the identification information.

When starting to scan, first, use the first scanner 4 to transmit a first radio signal with a lower frequency, and receive the first echo electrical signal fed back by each electronic tag 11 after receiving the first radio signal. The first echo signal includes the code of the electronic tag 11 . The controller 3 judges whether the code of the electronic tag included in the first echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determines the area where the target item is located. Because the frequency of the above-mentioned first wireless signal is low, its directivity is low, and it can have a larger main lobe width, so that the first scanner 4 has a larger search range, and then it can lock the target item in a roughly In the range. Then, use the second scanner 5 to transmit a second radio signal with a higher frequency, and receive the second echo electrical signal fed back by each electronic tag 11 after receiving the second radio signal. The second echo electrical signal includes the code of the electronic tag. The controller 3 judges whether the code of the electronic tag contained in the second echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determines the specific position of the target item in the above-mentioned area. Because the frequency of the above-mentioned second radio signal is relatively high, its directivity is relatively high, so that the second scanner 5 can accurately search within a small search range, and then can further search within the range locked by the above-mentioned first scanner 4 , to determine the specific location of the target item.

In this embodiment, an antenna with a concave surface 61 is provided on the housing 6, and the cross-sectional shape of the concave surface 61 along its center line (the cross-sectional shape of the concave surface 61 shown in FIG. The radio signals of the first scanner 4 or the second scanner 5 radiate outward. As shown in FIG. 2B , the first scanner 4 includes a first surface 41 for transmitting and receiving signals, the position A of the first surface 41 is located on the side of the focal point of the concave surface 61 close to the concave surface 61, and the first surface 41 It is opposite to the concave surface 61 . The second scanner 5 comprises a second surface 51 for transmitting and receiving signals, the second surface 51 being located at the focal point of the concave surface 61 and facing away from the concave surface 61 . In this way, as shown in FIG. 3 , the first wireless signal radiated through the concave surface 61 is relatively scattered, so that a larger search range can be obtained. However, the second wireless signal radiated through the concave surface 61 is more concentrated, so that precise search within a smaller range can be realized.

Preferably, the signal propagation distance can be adjusted by adjusting the transmitting power of the first scanner 4 and/or the transmitting power of the second scanner 5 . For example, by increasing the transmission power of the first scanner 4, the signal propagation distance can be increased, thereby expanding the search range. As another example, by reducing the transmission power of the second scanner 5, the signal propagation distance can be reduced, so as to realize precise search in a small area.

Preferably, as shown in FIG. 2C, the second scanner 5 includes a second signal transmitter and a second signal receiver, and the transmitting surface 51a of the second signal transmitter and the receiving surface 51b of the second signal receiver together form a second Surface 51. Similarly, the first scanner 4 includes a first signal transmitter and a first signal receiver, and the transmitting surface of the first signal transmitter and the receiving surface of the first signal receiver together constitute the first surface. By connecting the transmitting surface of the signal transmitter with the receiving surface of the signal receiver, it can be ensured that in the direction of the radio signal emitted by the signal transmitter, the signal receiver can receive the feedback of the electronic tag when receiving the wireless signal. echo signal.

As shown in Figure 2C, the article searching device also includes two sets of brackets (9, 10), wherein the first set of brackets 9 is used to support the first scanner 4, and the wiring of the first scanner 4 (such as low frequency signal lines ) is embedded in the bracket 10 to be introduced into the interior of the housing 6 by means of the bracket 10 . Likewise, the second group of brackets 9 is used to support the second scanner 5 , and the wiring (such as a high-frequency signal line) of the second scanner 5 is embedded in the brackets 9 .

To sum up, the article search device provided by the embodiment of the present invention first uses the first scanner 4 to transmit a first radio signal with a lower frequency, the signal has a lower directivity and can have a larger main lobe width, Therefore, the first scanner 4 has a larger search range, so as to be able to quickly determine the area where the target item is located. Then the second scanner 5 transmits a second radio signal with a higher frequency, which has higher directivity, so that the second scanner 5 can accurately search within a smaller search range to determine the target in the above-mentioned area The exact location of the item. Thus, the target item can be quickly located, thereby greatly improving the efficiency of finding a specific item among a large number of items.

As another technical solution, an embodiment of the present invention also provides an electronic tag, which is used in conjunction with the above-mentioned article finding device provided in the embodiment of the present invention. Specifically, as shown in Figure 4, the electronic tag 11 includes:

The first signal source 111 , whose frequency corresponds to the frequency of the first radio signal transmitted by the first scanner 4 , is used to feed back the first echo signal to the first scanner 4 when the first radio signal is received. Specifically, the first signal source 111 includes an antenna coil 1111 with a frequency corresponding to the first radio signal and a chip 1112 for controlling the antenna coil 1111 . The second signal source 112, the frequency of which corresponds to the frequency of the second radio signal emitted by the second scanner 5, is used for feeding back the second echo signal when the second radio signal is received. Specifically, the second signal source 112 includes an antenna coil 1121 with a frequency corresponding to the second radio signal and a chip 1122 for controlling the antenna coil 1121 . In practical applications, the above-mentioned first signal source 111 communicates with the first scanner 4 using RFID or NFC. The second signal source 112 communicates with the second scanner 5 using RFID or NFC.

Preferably, a sewing hole 113 is provided on the electronic tag 11, through which the electronic tag 11 is sewn on the article. Alternatively, one side of the electronic label 11 can also be made to be an adhesive surface so that it can be pasted on an article.

As another technical solution, as shown in FIG. 5, an embodiment of the present invention also provides a method for searching for an item, which includes:

Step 101, storing the identification information of each item and the code of the electronic tag corresponding to the identification information; the electronic tag is set on the item.

The above identification information may include item pictures or item text information.

Step 102, receiving the retrieval information of the target item input by the user.

The retrieval information includes at least one of item pictures, item keywords and item categories.

Step 103: Search for the identification information of the target item in the stored identification information of each item according to the retrieval information, and display the identification information of the target item.

Step 104 , transmit a first radio signal with a lower frequency, and receive a first echo electrical signal fed back by each electronic tag after receiving the first radio signal; the first echo electrical signal contains the code of the electronic tag.

Step 105 , judging whether the code of the electronic tag contained in the first echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determining the area where the target item is located.

Since the frequency of the above-mentioned first wireless signal is low, its directivity is low, and it can have a larger main lobe width, thereby having a larger search range, and then can lock the target item within a general range.

Step 106, transmit a second radio signal with a higher frequency, and receive the second echo electrical signal fed back by each electronic tag after receiving the second wireless signal; the second echo electrical signal contains the code of the electronic tag; the second The frequency of the radio signal is higher than the frequency of the second radio signal.

Step 107, judging whether the code of the electronic tag contained in the second echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determining the specific position of the target item in the area.

Since the frequency of the second radio signal is relatively high and its directivity is relatively high, it can be accurately searched within a small search range, and then can be further searched within the above-mentioned locked range to determine the specific location of the target item.

The article search method provided by the invention can quickly locate the target article, thereby greatly improving the efficiency of searching for a specific article among a large number of articles.

It can be understood that, the above embodiments are only exemplary embodiments adopted for illustrating the principle of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also regarded as the protection scope of the present invention.

Claims (10)

1. An item search device, characterized in that, comprising: The memory is used to store the identification information of each item and the code of the electronic tag corresponding to the identification information; the electronic tag is set on the item; The input and display unit is used to receive the search information of the target item input by the user and display the identification information of the target item; The first scanner is used to transmit the first radio signal and receive the first echo electric signal fed back by each of the electronic tags after receiving the first radio signal; the first echo electric signal contains the electronic the encoding of the label; The second scanner is used to transmit the second radio signal, and receive the second echo electric signal fed back by each of the electronic tags after receiving the second radio signal; the second echo electric signal contains the electronic encoding of the tag; the frequency of the second radio signal is higher than the frequency of the first radio signal; a controller, configured to search for the identification information of the target item in the memory according to the search information, and send it to the input and display unit for display; determine the identity of the electronic tag included in the first echo signal Whether the code is the code of the electronic tag corresponding to the identification information of the target item, if so, determine the area where the target item is located; and determine whether the code of the electronic tag contained in the second echo signal is the If the code of the electronic tag corresponding to the identification information of the target item is identified, the specific location of the target item is determined in the area. 2. The article searching device according to claim 1, further comprising an antenna having a concave surface, the concave surface having a parabolic cross-sectional shape along its center line; The first scanner includes a first surface for transmitting and receiving signals, the first surface is located on a side of the focal point of the concave surface close to the concave surface and opposite to the concave surface; The second scanner includes a second surface for transmitting and receiving signals, the second surface being at the focal point of the concave surface and facing away from the concave surface. 3. The article searching device according to claim 2, wherein the first scanner comprises a first signal transmitter and a first signal receiver, and the emitting surface of the first signal transmitter is in contact with the first signal receiver. the receiving surfaces of a signal receiver collectively constitute said first surface; The second scanner includes a second signal transmitter and a second signal receiver, and the transmitting surface of the second signal transmitter and the receiving surface of the second signal receiver together constitute the second surface. 4. The article searching device according to claim 2, further comprising a housing and a bracket, wherein, The antenna is arranged on the housing; The bracket is used to support the first scanner and the second scanner, and the wiring of the two is embedded in the bracket. 5. The device for finding items according to claim 1, wherein the retrieval information includes at least one of item pictures, item keywords and item categories. 6 . The device for finding items according to claim 1 , further comprising an image collector configured to take a picture of the item, use it as the identification information, and send it to the memory. 7 . The device for finding items according to claim 1 , wherein the signal propagation distance is adjusted by adjusting the transmission power of the first scanner and/or the transmission power of the second scanner. 8. An electronic tag, characterized in that it is used in conjunction with the item search device described in any one of claims 1-7; comprising: a first signal source, the frequency of which corresponds to the frequency of the first radio signal, and is used to feed back the first echo signal when the first radio signal is received; The second signal source, the frequency of which corresponds to the frequency of the second radio signal, is used to feed back the second echo signal when the second radio signal is received. 9. The electronic tag according to claim 8, wherein the first signal source communicates with the first scanner in the form of RFID or NFC; the second signal source communicates with the second scanner The device uses RFID or NFC to communicate. 10. A method for finding an item, comprising: storing the identification information of each item and the code of the electronic tag corresponding to the identification information; the electronic tag is set on the item; Receiving the retrieval information of the target item input by the user; Searching for the identification information of the target item in the stored identification information of each item according to the retrieval information, and displaying the identification information of the target item; Transmitting a first radio signal, and receiving a first echo electrical signal fed back by each of the electronic tags after receiving the first wireless signal; the first echo electrical signal contains the code of the electronic tag; Judging whether the code of the electronic tag contained in the first echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determining the area where the target item is located; Transmitting a second radio signal, and receiving a second echo electrical signal fed back by each of the electronic tags after receiving the second wireless signal; the second echo electrical signal contains the code of the electronic tag; the first the frequency of the second radio signal is higher than the frequency of the first radio signal; Judging whether the code of the electronic tag contained in the second echo signal is the code of the electronic tag corresponding to the identification information of the target item, and if so, determining the specific position of the target item in the area.