UHF ultrahigh frequency tag performance consistency test module

Abstract

The utility model relates to a UHF ultrahigh frequency tag performance consistency test module. A display screen displays the voltage of a 5V lithium battery, the identification state of an ultrahigh frequency tag and the state of writing data into or reading data from the ultrahigh frequency tag; the satellite positioning module obtains the current position of the UHF ultrahigh frequency tag performance consistency test module; the ultrahigh frequency radio frequency identification module identifies an external ultrahigh frequency tag, reads data in the ultrahigh frequency tag and writes the data into the ultrahigh frequency tag, or reads the data after writing the data so as to detect the consistency of the data; wherein the Bluetooth control module is also in Bluetooth wireless communication with an external mobile terminal, so that the UHF ultrahigh frequency tag performance consistency test module is controlled to work through the mobile terminal, and the mobile terminal can be connected to a remote server on the Internet to report a current position and report / issue data; the intelligent degree is greatly improved, the circuit is simple, the cost is low, the size is small, and use and carrying are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of RFID tag detection circuits, and more specifically to a UHF ultra-high frequency tag performance consistency test module. Background Art

[0002] Most of the existing RFID electronic tag testing equipment is fixed, and needs to be plugged into a computer to communicate with the computer via a USB data cable to read the tag information or modify / write the tag information to achieve testing. It is not convenient to test tags on moving objects outdoors, such as: outdoor police patrol fixed-point punch-in tags, cargo transport box identification tags; and mobile phones with NFC function only have the function of reading tag information, and cannot modify / write the content of the tag. Often, only the tag on the object can be replaced to meet the usage needs, but this greatly increases the cost. Therefore, traditional RFID electronic tag testing equipment can no longer meet people's usage needs. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a UHF tag performance consistency test module with simple circuit, low cost, small size, easy use and portability in view of the above-mentioned defects of the prior art.

[0004] The technical solution adopted by the utility model to solve its technical problems is:

[0005] A UHF tag performance consistency test module is constructed, comprising an UHF radio frequency identification module, a satellite positioning module and a display screen; wherein the UHF radio frequency identification module is used to identify an external UHF tag and read data from and write data to the UHF tag, the satellite positioning module is used to obtain the current position of the UHF tag performance consistency test module, and the display screen is used to display the identification status of the UHF tag and the status of writing or reading data to the UHF tag;

[0006] The UHF RFID module, the satellite positioning module and the display screen are all connected to a Bluetooth control module, and the Bluetooth control module also performs Bluetooth wireless communication with an external mobile terminal;

[0007] It also includes: a power supply circuit and a voltage detection circuit, the power supply circuit includes a 5V lithium battery, the voltage detection circuit detects the voltage of the 5V lithium battery, the voltage detection circuit is connected to the Bluetooth control module, and the display screen also displays the voltage of the 5V lithium battery; the power supply circuit is respectively connected to the Bluetooth control module, the ultra-high frequency radio frequency identification module, the satellite positioning module and the display screen to provide power supply.

[0008] The UHF tag performance consistency test module described in the utility model, wherein the Bluetooth control module is also connected to a plurality of key circuits and a plurality of indicator light circuits.

[0009] The UHF tag performance consistency test module described in the utility model, wherein the model of the UHF radio frequency identification module is FM-505.

[0010] The UHF tag performance consistency test module described in the utility model, wherein the model of the satellite positioning module is NE0-7M.

[0011] The UHF tag performance consistency test module described in the utility model, wherein the model of the Bluetooth control module is NRF52832.

[0012] The UHF tag performance consistency test module described in the utility model, wherein the power supply circuit includes: a 5V lithium battery and a three-terminal voltage regulator and a TYPE-C female socket, and the voltage detection circuit includes: a first resistor and a second resistor, the first resistor is connected to the positive electrode of the 5V lithium battery and the other end is connected to the second resistor and the 1st pin of the second row of needles of the Bluetooth control module, the other end of the second resistor is grounded, and the negative electrode of the 5V lithium battery is also grounded;

[0013] The GND terminal of the TYPE-C socket is grounded and multiple VBUS terminals are connected to the positive electrode of the 5V lithium battery;

[0014] The VI N terminal of the three-terminal voltage regulator is connected to the positive electrode of the 5V lithium battery and the OUT terminal is the positive output terminal of the 3.3V direct current, and the GND terminal of the three-terminal voltage regulator is grounded; the VI N terminal of the three-terminal voltage regulator is also connected to a first capacitor and the OUT terminal is connected to a second capacitor, and the other ends of the first capacitor and the second capacitor are both grounded.

[0015] The UHF tag performance consistency test module described in the utility model, wherein the VCC terminal of the satellite positioning module is connected to the positive output terminal of the 3.3V direct current and the GND terminal is grounded, and the TXD terminal and RXD terminal of the satellite positioning module are connected one-to-one with the 3rd pin and the 5th pin of the second row of pins of the Bluetooth control module;

[0016] The GND terminal of the UHF RFID module is grounded and the VCC terminal is connected to the positive output terminal of the 3.3V DC power; the EN terminal, RXD terminal and TXD terminal of the UHF RFID module are connected one-to-one with the 8th and 9th pins of the first row of pins and the 9th pin of the third row of pins of the Bluetooth control module;

[0017] The GND terminal of the display screen is grounded and the VCC terminal is connected to the positive output terminal of the 3.3V direct current, and the CLK terminal, MOS I terminal, DC terminal, CS1 terminal, FSO terminal and CS2 terminal of the display screen are connected one-to-one with pins 1, 2, 3, 4, 5 and 6 of the first row of pins of the Bluetooth control module.

[0018] The UHF tag performance consistency test module of the utility model, wherein the key circuit includes: a third resistor and a momentary switch, the first end of the third resistor is the control end of the key circuit and the second end is connected to the momentary switch, and the other end of the momentary switch is grounded;

[0019] The control ends of the plurality of key circuits are connected one-to-one with the remaining unused I / O pins of the Bluetooth control module.

[0020] The UHF ultra-high frequency tag performance consistency test module described in the utility model, wherein the indicator light circuit includes: a fourth resistor and a light-emitting diode, the first end of the fourth resistor is the control end of the indicator light circuit and the second end is connected to the cathode of the light-emitting diode, and the anode of the light-emitting diode is connected to the anode output end of the 3.3V direct current;

[0021] The control ends of the plurality of indicator light circuits are connected one-to-one with the remaining unused I / O pins of the Bluetooth control module.

[0022] The beneficial effects of the utility model are as follows: when in use, the power supply circuit is respectively connected to the Bluetooth control module, the UHF radio frequency identification module, the satellite positioning module and the display screen to provide power supply; the display screen displays the voltage of the 5V lithium battery, the identification status of the UHF tag and the status of writing data to or reading data from the UHF tag; the satellite positioning module obtains the current position of the UHF ultra-high frequency tag performance consistency test module; the UHF radio frequency identification module identifies the external UHF tag and reads the data in the UHF tag and writes data to the UHF tag, or reads the data after writing the data to detect the consistency of the data; wherein, the Bluetooth control module also performs Bluetooth wireless communication with an external mobile terminal, realizes the control of the UHF ultra-high frequency tag performance consistency test module through the mobile terminal, and can also connect to a remote server on the Internet through the mobile terminal to report the current position and report / send data, which greatly improves the degree of intelligence, has a simple circuit, low cost, small size, is easy to use and easy to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0024] Figure 1 It is a circuit schematic diagram of the Bluetooth control module of the UHF tag performance consistency test module of the preferred embodiment of the utility model;

[0025] Figure 2 It is a circuit schematic diagram of the key circuit of the UHF ultra-high frequency tag performance consistency test module of the preferred embodiment of the utility model;

[0026] Figure 3 It is a circuit schematic diagram of the indicator light circuit of the UHF ultra-high frequency tag performance consistency test module of the preferred embodiment of the utility model;

[0027] Figure 4 It is a circuit schematic diagram of an ultra-high frequency radio frequency identification module of a UHF tag performance consistency test module of a preferred embodiment of the utility model;

[0028] Figure 5 It is a circuit schematic diagram of the satellite positioning module of the UHF ultra-high frequency tag performance consistency test module of the preferred embodiment of the utility model;

[0029] Figure 6 It is a circuit schematic diagram of the power supply circuit of the UHF ultra-high frequency tag performance consistency test module of the preferred embodiment of the utility model;

[0030] Figure 7 The utility model is a circuit diagram of the display screen of the UHF ultra-high frequency tag performance consistency test module according to a preferred embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be described clearly and completely in combination with the technical solution in the embodiments of the utility model. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the utility model.

[0032] The UHF tag performance consistency test module of the preferred embodiment of the utility model is as follows Figure 1 See also Figures 2 to 7; It includes an UHF radio frequency identification module U5, a satellite positioning module U4 and a display screen U1; wherein the UHF radio frequency identification module U5 is used to identify an external UHF tag and read data from and write data to the UHF tag, the satellite positioning module U4 is used to obtain the current position of the UHF tag performance consistency test module, and the display screen U1 is used to display the identification status of the UHF tag and the status of writing or reading data to the UHF tag;

[0033] The UHF RFID module U5, the satellite positioning module U4 and the display screen U1 are all connected to the Bluetooth control module U2, and the Bluetooth control module U2 also performs Bluetooth wireless communication with an external mobile terminal;

[0034] It also includes: a power supply circuit 100 and a voltage detection circuit 110. The power supply circuit 100 includes a 5V lithium battery BAT1. The voltage detection circuit 110 detects the voltage of the 5V lithium battery BAT1. The voltage detection circuit 110 is connected to the Bluetooth control module U2. The display screen U1 also displays the voltage of the 5V lithium battery BAT1. The power supply circuit 100 is respectively connected to the Bluetooth control module U2, the ultra-high frequency radio frequency identification module U5, the satellite positioning module U4 and the display screen U1 to provide power supply;

[0035] When in use, the power supply circuit 100 is respectively connected to the Bluetooth control module U2, the UHF radio frequency identification module U5, the satellite positioning module U4 and the display screen U1 to provide power supply; the display screen U1 displays the voltage of the 5V lithium battery BAT1, the identification status of the UHF tag and the status of writing data to or reading data from the UHF tag; the satellite positioning module U4 obtains the current position of the UHF ultra-high frequency tag performance consistency test module; the UHF radio frequency identification module U5 identifies the external UHF tag and reads the data in the UHF tag and writes data to the UHF tag, or reads the data after writing the data to detect the consistency of the data; wherein, the Bluetooth control module U2 also performs Bluetooth wireless communication with the external mobile terminal, realizes the control of the UHF ultra-high frequency tag performance consistency test module through the mobile terminal, and can also connect to the remote server on the Internet through the mobile terminal to report the current position and report / send data, which greatly improves the degree of intelligence, has a simple circuit, low cost, small size, easy use and easy to carry.

[0036] like Figures 1 to 3 As shown, the Bluetooth control module U2 is also connected to multiple button circuits 200 and multiple indicator light circuits 300 to realize function control and status indication, such as: one-key writing of data, one-key reading of data, one-key comparison of consistency of written and read data, etc. and corresponding status indication.

[0037] like Figure 4As shown, the model of the UHF RFID module U5 is FM-505; its operating frequency is 920-925MHZ.

[0038] like Figure 5 As shown, the model of satellite positioning module U4 is NE0-7M; it is a GPSMINI module.

[0039] like Figure 1 As shown, the model of the Bluetooth control module U2 is NRF52832; it is Bluetooth 4.2.

[0040] like Figure 6 As shown, the power supply circuit 100 includes: a 5V lithium battery BAT1 and a three-terminal voltage regulator U3 and a TYPE-C female socket U6, and the voltage detection circuit 110 includes: a first resistor R14 and a second resistor R13, the first resistor R14 is connected to the positive electrode of the 5V lithium battery BAT1 and the other end is connected to the second resistor R13 and the 1 pin of the second row of pins J02 of the Bluetooth control module U2, the other end of the second resistor R13 is grounded, and the negative electrode of the 5V lithium battery BAT1 is also grounded; wherein, the power supply circuit 100 includes the voltage detection circuit 110;

[0041] The GND terminal of the TYPE-C female socket U6 is grounded and multiple VBUS terminals are connected to the positive electrode of the 5V lithium battery BAT1; the 5V lithium battery BAT1 is charged, and it has wide applicability;

[0042] The VIN end of the three-terminal voltage regulator U3 is connected to the positive electrode of the 5V lithium battery BAT1 and the OUT end is the positive output end of the 3.3V direct current, and the GND end of the three-terminal voltage regulator U3 is grounded; the VIN end of the three-terminal voltage regulator U3 is also connected to the first capacitor C4 and the OUT end is connected to the second capacitor C5, and the other ends of the first capacitor C4 and the second capacitor C5 are both grounded for filtering; the circuit is simple, low cost and small size.

[0043] like Figure 1 and Figures 4 to 7 As shown, the VCC terminal of the satellite positioning module U4 is connected to the positive output terminal of the 3.3V DC power and the GND terminal is grounded, and the TXD terminal and RXD terminal of the satellite positioning module U4 are connected one-to-one with the 3rd pin and the 5th pin of the second row of pins J02 of the Bluetooth control module U2;

[0044] The GND terminal of the UHF RFID module U5 is grounded and the VCC terminal is connected to the positive output terminal of the 3.3V DC power supply. The EN terminal, RXD terminal and TXD terminal of the UHF RFID module U5 are connected one-to-one with the 8th and 9th pins of the first row of pins J01 and the 9th pin of the third row of pins J03 of the Bluetooth control module U2.

[0045] The GND terminal of the display screen U1 is grounded and the VCC terminal is connected to the positive output terminal of the 3.3V direct current. The CLK terminal, MOSI terminal, DC terminal, CS1 terminal, FSO terminal and CS2 terminal of the display screen U1 are connected one-to-one with pins 1, 2, 3, 4, 5 and 6 of the first row of pins J01 of the Bluetooth control module U2; the display screen U1 is a 1.3-inch OLED display screen U1 with a font library.

[0046] like Figure 1 and Figure 2 as well as Figure 6 As shown, the key circuit 200 includes: a third resistor R1 and a momentary switch SW1, a first end of the third resistor R1 is a control end of the key circuit 200 and a second end is connected to the momentary switch SW1, and the other end of the momentary switch SW1 is grounded;

[0047] The control ends of the multiple key circuits 200 are connected one-to-one with the remaining unused I / O pins of the Bluetooth control module U2; the circuit is simple, low-cost and small in size.

[0048] like Figure 1 and Figure 3 as well as Figure 6 As shown, the indicator light circuit 300 includes: a fourth resistor R6 and a light emitting diode LED1, the first end of the fourth resistor R6 is the control end of the indicator light circuit 300 and the second end is connected to the cathode of the light emitting diode LED1, and the anode of the light emitting diode LED1 is connected to the anode output end of the 3.3V DC power;

[0049] The control ends of the multiple indicator light circuits 300 are connected one-to-one with the remaining unused I / O pins of the Bluetooth control module U2; the circuit is simple, low-cost and small in size.

[0050] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. A UHF tag performance consistency test module, comprising an UHF radio frequency identification module, a satellite positioning module and a display screen; characterized in that: The UHF RFID module is used to identify an external UHF tag and read data from and write data to the UHF tag. The satellite positioning module is used to obtain the current position of the UHF tag performance consistency test module. The display screen is used to display the identification status of the UHF tag and the status of writing or reading data to or from the UHF tag. The UHF RFID module, the satellite positioning module and the display screen are all connected to a Bluetooth control module, and the Bluetooth control module also performs Bluetooth wireless communication with an external mobile terminal; It also includes: a power supply circuit and a voltage detection circuit, the power supply circuit includes a 5V lithium battery, the voltage detection circuit detects the voltage of the 5V lithium battery, the voltage detection circuit is connected to the Bluetooth control module, and the display screen also displays the voltage of the 5V lithium battery; the power supply circuit is respectively connected to the Bluetooth control module, the ultra-high frequency radio frequency identification module, the satellite positioning module and the display screen to provide power supply.

2. The UHF tag performance consistency test module according to claim 1 is characterized in that: The Bluetooth control module is also connected to a plurality of key circuits and a plurality of indicator light circuits.

3. The UHF tag performance consistency test module according to claim 2 is characterized in that: The model of the UHF RFID module is FM-505.

4. The UHF tag performance consistency test module according to claim 3 is characterized in that: The model of the satellite positioning module is NE0-7M.

5. The UHF tag performance consistency test module according to claim 4 is characterized in that: The model of the Bluetooth control module is NRF52832.

6. The UHF tag performance consistency test module according to claim 5 is characterized in that: The power supply circuit includes: a 5V lithium battery, a three-terminal voltage regulator and a TYPE-C female socket, and the voltage detection circuit includes: a first resistor and a second resistor, the first resistor is connected to the positive electrode of the 5V lithium battery and the other end is connected to the second resistor and the 1st pin of the second row of pins of the Bluetooth control module, the other end of the second resistor is grounded, and the negative electrode of the 5V lithium battery is also grounded; The GND terminal of the TYPE-C socket is grounded and multiple VBUS terminals are connected to the positive electrode of the 5V lithium battery; The VIN end of the three-terminal voltage regulator is connected to the positive electrode of the 5V lithium battery and the OUT end is the positive output end of the 3.3V direct current, and the GND end of the three-terminal voltage regulator is grounded; the VIN end of the three-terminal voltage regulator is also connected to a first capacitor and the OUT end is connected to a second capacitor, and the other ends of the first capacitor and the second capacitor are both grounded.

7. The UHF tag performance consistency test module according to claim 6 is characterized in that: The VCC terminal of the satellite positioning module is connected to the positive output terminal of the 3.3V DC power and the GND terminal is grounded, and the TXD terminal and RXD terminal of the satellite positioning module are connected one-to-one with the 3rd pin and the 5th pin of the second row of pins of the Bluetooth control module; The GND terminal of the UHF RFID module is grounded and the VCC terminal is connected to the positive output terminal of the 3.3V DC power; the EN terminal, RXD terminal and TXD terminal of the UHF RFID module are connected one-to-one with the 8th and 9th pins of the first row of pins and the 9th pin of the third row of pins of the Bluetooth control module; The GND terminal of the display screen is grounded and the VCC terminal is connected to the positive output terminal of the 3.3V direct current. The CLK terminal, MOSI terminal, DC terminal, CS1 terminal, FSO terminal and CS2 terminal of the display screen are connected one-to-one with pins 1, 2, 3, 4, 5 and 6 of the first row of pins of the Bluetooth control module.

8. The UHF tag performance consistency test module according to claim 6 is characterized in that: The key circuit comprises: a third resistor and a momentary switch, wherein a first end of the third resistor is a control end of the key circuit and a second end is connected to the momentary switch, and the other end of the momentary switch is grounded; The control ends of the plurality of key circuits are connected one-to-one with the remaining unused I / O pins of the Bluetooth control module.

9. The UHF tag performance consistency test module according to claim 6, characterized in that: The indicator light circuit comprises: a fourth resistor and a light emitting diode, wherein the first end of the fourth resistor is the control end of the indicator light circuit and the second end is connected to the cathode of the light emitting diode, and the anode of the light emitting diode is connected to the anode output end of the 3.3V DC power; The control ends of the plurality of indicator light circuits are connected one-to-one with the remaining unused I / O pins of the Bluetooth control module.

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