CN205139274U - Multi -functional RFID test instrument - Google Patents
Multi -functional RFID test instrument Download PDFInfo
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- CN205139274U CN205139274U CN201520892364.5U CN201520892364U CN205139274U CN 205139274 U CN205139274 U CN 205139274U CN 201520892364 U CN201520892364 U CN 201520892364U CN 205139274 U CN205139274 U CN 205139274U
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Abstract
The utility model provides a multi -functional RFID test instrument, it is used the same hardware circuit and has integrated comprehensive tester, label agreement parameter testing, read write line agreement parameter testing triplex function, through wireless radio frequency test mode, accomplish the function capability test of RFID label and RFID read write line, it is strong to have environmental suitability, and small in size, light weight, power dissipation is reduced, and reliable in performance, typical characteristics such as easy operation, be applicable to RFID label and read write line equipment in the installation, the on -the -spot test of in -processs such as debugging and maintenance, popularization and application for the RFID system provide safeguard.
Description
Technical field
The utility model relates to RFID device field tests, especially relates to a kind of multi-functional RFID testing tool.
Background technology
Existing RFID device test has the following two kinds mode:
1.RFID testing of equipment common instrument has: radio-frequency signal source, field intensity meter, spectrum analyzer, vector signal divide instrument etc., and these conventionally test instruments are all autonomous devices, and take larger operating surface during use, cost is higher, operates inconvenience simultaneously.
2. the conventionally test instruments such as radio-frequency signal source, field intensity meter, spectrum analyzer, VSA are integrated into an ATE TT&C system, operability increases, but volume is comparatively large, cost and energy consumption is all higher, uneconomical, not environmentally.
Utility model content
The purpose of this utility model is: for prior art Problems existing, provides a kind of multi-functional RFID testing tool, solving when carrying out RFID device test, due to needs plurality of devices, causing high, the unhandy problem of cost.
Utility model object of the present utility model is achieved through the following technical solutions:
A kind of multi-functional RFID testing tool, this tester comprises: for the power supply unit powering to whole instrument; For the signal processing unit tested tested RFID device according to the test command of input; For man-machine interaction input test order, and the aobvious control unit of test result after display processing unit processes; The equipment under test electrical connecting unit be connected with tested RFID device.
As further technical scheme, described aobvious control unit comprises display screen and control panel; Described display screen is connected with signal processing unit, and described control panel is connected with signal processing unit.
As further technical scheme, described display screen is touch-screen.
As further technical scheme, described control panel comprises keyboard circuit and power switch circuit; Described keyboard circuit is connected with signal processing unit, and described power switch circuit is used for the opening and closing of opertaing device power supply.
As further technical scheme, the described keyboard circuit TTL triggering level comprised for being inputted by keyboard button is converted to the buffer chip of the level of LVTTL; For carrying out the filter capacitor of filtering to input power.
As further technical scheme, described power switch circuit comprises electromagnetic interface filter, pushbutton switch, switching diode and π type filtering circuit, the output terminal of electromagnetic interface filter connects with one end of pushbutton switch, the other end of pushbutton switch connects with the positive pole of switching diode, and the negative pole of switching diode is connected with the input end of π type filtering circuit.
As further technical scheme, signal processing unit comprises radio frequency unit and if digitization processing unit, described radio frequency unit comprises the receiving circuit changed to intermediate frequency for radio frequency and the radiating circuit for if-to-rf conversion, and described if digitization processing unit comprises processing circuitry of intermediate frequency, data acquisition circuit and D/A converting circuit.
As further technical scheme, this testing tool also comprises housing, and this housing comprises cover unit, lower cover member and sheath cap assembly, and described aobvious control unit is arranged on cover unit.
As further technical scheme, be provided with a slice EMC metallic shield glass in the dead ahead of the display surface of display screen, the surrounding of this shield glass and cover unit are fitted.
Compared with prior art, the utility model applies that identical hardware circuit incorporates comprehensive tester, label protocol parameter testing, read write line protocol parameter test three partial functions, by less radio-frequency test mode, complete the functional performance test of RFID label tag and rfid interrogator, have that environmental suitability is strong, volume is little, lightweight, low in energy consumption, dependable performance, the typical feature such as simple to operate, be applicable to RFID label tag and the on-the-spot test of read write line equipment in the processes such as installation, debugging and maintenance, for applying of rfid system provides safeguard.
Accompanying drawing explanation
Fig. 1 is the utility model module principle figure.
Fig. 2 is keyboard circuit schematic diagram.
Fig. 3 is power switch circuit schematic diagram.
Fig. 4 is the utility model structural representation.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment
Design concept of the present utility model is: apply that identical hardware circuit incorporates comprehensive tester, label protocol parameter testing, read write line protocol parameter test three partial functions, by less radio-frequency test mode, complete the functional performance test of RFID label tag and rfid interrogator, have that environmental suitability is strong, volume is little, lightweight, low in energy consumption, dependable performance, the typical feature such as simple to operate.
As shown in Figure 1, the utility model comprises housing and is positioned at the power supply unit of housing, signal processing unit, aobvious control unit, the equipment under test electrical connecting unit be arranged on housing, signal measurement part and segment signal output, power supply unit is respectively with signal processing unit with aobvious control unit and be connected, equipment under test electrical connecting unit is connected with signal processing unit, signal processing unit is connected with aobvious control unit, and signal measurement part and segment signal output are controlled unit and are connected with showing.Wherein:
Power supply unit is used for powering to whole instrument.
Signal processing unit is tested tested RFID device according to the test command of input.Signal processing unit comprises radio frequency unit and if digitization processing unit.Radio frequency unit comprises the receiving circuit changed to intermediate frequency for radio frequency and the radiating circuit for if-to-rf conversion.If digitization processing unit comprises processing circuitry of intermediate frequency, data acquisition circuit and D/A converting circuit: processing circuitry of intermediate frequency is embedded with the test procedure of traditional comprehensive tester, label protocol parameter tester, read write line protocol parameter tester admittedly; Data acquisition circuit realizes the collection to intermediate-freuqncy signal; D/A converting circuit realizes the conversion of digital signal to intermediate-freuqncy signal.
Aobvious control unit is used for man-machine interaction input test order, and the test result after signal processing unit processes is shown on a display screen.This element comprises display screen and control panel: display screen is connected with signal processing unit, for man-machine interaction input test order, and the test result after signal processing unit processes is shown on a display screen; Control panel comprises some buttons, for load button information.Display screen also can be touch-screen.
Control panel comprises keyboard circuit, power switch circuit.Keyboard circuit is used for the level button inputted TTL triggering level being converted to by the information of each button of control panel LVTTL through buffer circuit behaviour, transfers to signal processing unit processes; Power switch circuit is for controlling the opening and closing of complete machine power supply.Keyboard circuit is connected with signal processing unit.Equipment under test electrical connecting unit comprises some electrical connection interfaces, for the electrical connection of equipment under test and instrument.Keyboard circuit is made up of two identical circuit, the present embodiment only describes a circuit, and as shown in Figure 2, buffer chip U1 is acp chip to its schematic diagram, Main Function is by the information Transistor-Transistor Logic level of each button of control panel conversion LVTTL level, transfers to signal processing unit processes.Filter capacitor C1 ~ C3 realizes the filtering to input power, and filtering clutter signal, avoids clutter to the interference of button.
As shown in Figure 3, U3 is electromagnetic interface filter to power switch circuit schematic diagram, and U4 is pushbutton switch, and D1 is switching diode, and inductance L 1 and electric capacity C7 ~ C10 form pi type filter.Electromagnetic interface filter U3 is connected with pushbutton switch U4, and pushbutton switch U4 is connected with switching diode D1, and the pi type filter that switching diode D1 forms with inductance L 1 and electric capacity C7 ~ C10 is connected.If press the button switch U4, then pushbutton switch U4 is in conducting state, electromagnetic interface filter U3, switching diode D1, inductance L 1 have electric current to flow through, whole device power supply (DPS) is connected, electromagnetic interface filter U3 plays input EMI filter action, not only can reduce external power source by the interference of power lead to this instrument, more can reduce that this instrument power source is spuious conducts to power-supply unit by power lead; Inductance L 1 and electric capacity C7 ~ C10 form pi type filter can play power filter effect further, can effectively reduce out-put supply ripple.
Equipment under test electrical connecting unit comprises some electrical connection interfaces, for the electrical connection of equipment under test and instrument.These electrical connection interfaces are all arranged on housing outer surface.
Power supply unit and signal processing unit and aobviously control unit and is connected, signal processing unit and equipment under test electrical connecting unit are controlled unit (display screen, keyboard circuit) be connected with being shown.
In addition, this testing apparatus also comprises housing, as shown in Figure 4, housing comprises following parts: cover unit 1, lower cover member 2 and sheath cap assembly 3, apparatus structure adopts Portable Reinforced design, housing adopts conduct radiation heat radiation, adopts the manufacture of high-quality magnalium, makes whole equipment comparatively light.In addition, add a slice EMC metallic shield glass in the dead ahead of the display surface of display screen 4, the metallic walls of this shield glass surrounding and cover unit 1 is fitted, and effectively can reduce the external radiant quantity of high frequency magnetic field that display screen produces.Control panel 5 is arranged on cover unit 1.
The utility model also arranges MicroUSB interface, realizes the information interaction with external unit.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; it should be pointed out that all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a multi-functional RFID testing tool, is characterized in that, this tester comprises: for the power supply unit powering to whole instrument; For the signal processing unit tested tested RFID device according to the test command of input; For man-machine interaction input test order, and the aobvious control unit of test result after display processing unit processes; The equipment under test electrical connecting unit be connected with tested RFID device.
2. the multi-functional RFID testing tool of one according to claim 1, is characterized in that, described aobvious control unit comprises display screen and control panel; Described display screen is connected with signal processing unit, and described control panel is connected with signal processing unit.
3. the multi-functional RFID testing tool of one according to claim 2, is characterized in that, described display screen is touch-screen.
4. the multi-functional RFID testing tool of one according to claim 2, it is characterized in that, described control panel comprises keyboard circuit and power switch circuit; Described keyboard circuit is connected with signal processing unit, and described power switch circuit is used for the opening and closing of opertaing device power supply.
5. the multi-functional RFID testing tool of one according to claim 4, is characterized in that, the described keyboard circuit TTL triggering level comprised for being inputted by keyboard button is converted to the buffer chip of the level of LVTTL; For carrying out the filter capacitor of filtering to input power.
6. the multi-functional RFID testing tool of one according to claim 4, it is characterized in that, described power switch circuit comprises electromagnetic interface filter, pushbutton switch, switching diode and π type filtering circuit, the output terminal of electromagnetic interface filter connects with one end of pushbutton switch, the other end of pushbutton switch connects with the positive pole of switching diode, and the negative pole of switching diode is connected with the input end of π type filtering circuit.
7. the multi-functional RFID testing tool of one according to claim 1, it is characterized in that, signal processing unit comprises radio frequency unit and if digitization processing unit, described radio frequency unit comprises the receiving circuit changed to intermediate frequency for radio frequency and the radiating circuit for if-to-rf conversion, and described if digitization processing unit comprises processing circuitry of intermediate frequency, data acquisition circuit and D/A converting circuit.
8. the multi-functional RFID testing tool of one according to claim 2, it is characterized in that, this testing tool also comprises housing, and this housing comprises cover unit, lower cover member and sheath cap assembly, and described aobvious control unit is arranged on cover unit.
9. the multi-functional RFID testing tool of one according to claim 8, is characterized in that, is provided with a slice EMC metallic shield glass in the dead ahead of the display surface of display screen, and the surrounding of this shield glass and cover unit are fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520892364.5U CN205139274U (en) | 2015-11-10 | 2015-11-10 | Multi -functional RFID test instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520892364.5U CN205139274U (en) | 2015-11-10 | 2015-11-10 | Multi -functional RFID test instrument |
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| CN205139274U true CN205139274U (en) | 2016-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277828A (en) * | 2015-11-10 | 2016-01-27 | 成都天奥测控技术有限公司 | Multi-functional RFID testing instrument and testing method thereof |
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- 2015-11-10 CN CN201520892364.5U patent/CN205139274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277828A (en) * | 2015-11-10 | 2016-01-27 | 成都天奥测控技术有限公司 | Multi-functional RFID testing instrument and testing method thereof |
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| GR01 | Patent grant |