CN202904635U - Self-luminous intelligent label and trigger circuit thereof - Google Patents
Self-luminous intelligent label and trigger circuit thereof Download PDFInfo
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- CN202904635U CN202904635U CN 201220503634 CN201220503634U CN202904635U CN 202904635 U CN202904635 U CN 202904635U CN 201220503634 CN201220503634 CN 201220503634 CN 201220503634 U CN201220503634 U CN 201220503634U CN 202904635 U CN202904635 U CN 202904635U
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- intelligent label
- autoluminescence
- switching tube
- trigger circuit
- pass filter
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Abstract
The utility model belongs to a radio frequency identification technology, and especially relates to a self-luminous intelligent label and a trigger circuit thereof. The trigger circuit of the self-luminous intelligent label is connected between a voltage output pin of an RFID chip U1 and an external expansion micro controller W1. The self-luminous intelligent label and the trigger circuit thereof are characterized in that the trigger circuit comprises an RC low pass filter, a switch tube and a pull-up resistor R1, wherein the RC low pass filter, the switch tube and the pull-up resistor R1 are connected in turn; the input end of the RC low pass filter is connected with the output pin of the RFID chip U1; the output end of the RC low pass filter is connected with the control end of the switch tube; the high potential end of the switch tube is connected with a direct current power supply VCC through the pull-up resistor R1 on one hand, and is connected with the input end of the external expansion micro controller W1 on the other hand; and the low potential end of the switch tube is grounded.
Description
Technical field
The utility model belongs to radio RF recognition technology, relates in particular to a kind of autoluminescence intelligent label and trigger circuit thereof.
Background technology
RFID (Radio Frequency Identification, radio-frequency (RF) identification) technology claims again electronic tag, radio frequency identification, is a kind of contactless automatic identification technology.It is automatically identified destination object and obtains related data by radiofrequency signal, need not to set up machinery between recognition system and the specific objective or optics contacts, and identification work more need not manual intervention.
Intelligent label generally all comprises antenna and RFID chip because intelligent label comprises resonant circuit, so its do not need to carry out any physical contact with read write line just can wireless induction.Read write line is outwards launched the radiofrequency signal of certain frequency and inclusion information, after intelligent label enters this magnetic field, the radiofrequency signal of sending by the antenna reception read write line, rely on induction current to obtain enough energy, intelligent label is activated, and its internal circuit is returned corresponding information according to the concrete instruction of read write line.
In general, the function that existing intelligent label seldom has the LED induction to show has affected the judgement of user to the intelligent label communication state to a certain extent, even if having, circuit is also comparatively complicated, and components and parts are many, cost is high, can't be laminated into the specification of normal thin card on technique; On the other hand, existing intelligent label general utility functions are more single, can not drive functions such as including counting at interior external controller, and usable range is greatly limited.
The utility model content
The purpose of this utility model is to provide a kind of trigger circuit of autoluminescence intelligent label, does not have the defective of LED induction demonstration and function singleness to overcome existing intelligent label.
To achieve these goals, the utility model is achieved in that
A kind of trigger circuit of autoluminescence intelligent label are connected to the Voltage-output pin of RFID chip U1 and extend out between the microcontroller W1, comprise the RC low-pass filter, switching tube and the pull-up resistor R1 that connect successively; The output pin of the described RFID chip of the input termination U1 of described RC low-pass filter, the control end of the described switching tube of output termination of described RC low-pass filter, the hot end of described switching tube meets direct supply VCC by described pull-up resistor R1 on the one hand, connect on the other hand the described input end that extends out microcontroller W1, the cold end ground connection of described switching tube.
As an embodiment of the present utility model, described RC low-pass filter comprises: resistance R 2 and capacitor C 1; The two ends of described resistance R 2 are respectively input end and the output terminal of described RC low-pass filter, and described capacitor C 1 is connected between the output terminal and ground of described RC low-pass filter.
As an embodiment of the present utility model, described switching tube is NPN type triode Q1, the base stage of described NPN type triode Q1 is the control end of described switching tube, the hot end of the very described switching tube of current collection of described NPN type triode Q1, the cold end of the very described switching tube of emission of described NPN type triode Q1.
As an embodiment of the present utility model, described switching tube is NMOS pipe Q2, the grid of described NMOS pipe Q2 is the control end of described switching tube, and the drain electrode of described NMOS pipe Q2 is the hot end of described switching tube, and the source electrode of described NMOS pipe Q2 is the cold end of described switching tube.
Another purpose of the present utility model is to provide a kind of autoluminescence intelligent label, described intelligent label comprises induction antenna, RFID chip U1 and a luminescence unit D1, as improvement, described autoluminescence intelligent label also comprises the trigger circuit under as above any form and extends out microcontroller W1.
Particularly, described RFID chip U1 and described luminescence unit D1 are connected in series or are attempted by the two ends of described induction antenna, can share the energy that described induction antenna is collected.
As an embodiment of the present utility model, described luminescence unit D1 comprises at least one light emitting diode.
As an embodiment of the present utility model, described at least one light emitting diode is RGB LED.
As an embodiment of the present utility model, described autoluminescence intelligent label also comprises the one group of optical fiber T1 that is arranged on described luminescence unit D1 periphery.
A kind of autoluminescence intelligent label and trigger circuit thereof that the utility model provides, on the basis of existing autoluminescence intelligent label, by an external microcontroller of trigger circuit, realize the expansion of the functions such as counting, control vibrations, control sound, electric power storage, enriched the application market of intelligent label; On the other hand, can not share same coil and the circuit deficiency complicated, that process costs is high that causes is improved to luminescence unit and RFID chip in the existing autoluminescence intelligent label, so that luminescence unit and RFID chip share original inductive coil; And as improving, use the principles such as single-phase half-wave/full-wave rectification, people's visual characteristic, RGB color matching and drive luminescence unit, make it automatically regulate glow color; Can also change by the optical fiber that is arranged on the luminescence unit periphery direction of propagation of light, to form various luminous models, further enlarge the application of intelligent label.
Description of drawings
Fig. 1 is the structure diagram of the autoluminescence intelligent label that provides of the utility model the first embodiment;
Fig. 2 is the structure diagram of the autoluminescence intelligent label that provides of the utility model the second embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 is the structure diagram of the autoluminescence intelligent label that provides of the utility model the first embodiment, for convenience of explanation, only shows the part relevant with the utility model embodiment.As shown in the figure:
A kind of autoluminescence intelligent label comprises induction antenna ANT, RFID chip U1, luminescence unit D1, trigger circuit 10 and extends out microcontroller W1;
Wherein, trigger circuit 10 comprise RC low-pass filter, switching tube and the pull-up resistor R1 that connects successively, RFID chip U1 and luminescence unit D1 are serially connected in the two ends of induction antenna ANT successively, luminescence unit D1 outwards launches the RF energy that induction is come in the formed magnetic field of radiofrequency signal of certain frequency by induction antenna ANT at read write line, use the principle drivings such as single phase half wave rectification, make it luminous shinny; In read write line reading tag process, utilize the different conditions of LED that the duty of RFID chip is indicated in real time, luminescence unit D1 has also increased people's visual effect in the display label duty;
As an embodiment of the present utility model, described RC low-pass filter comprises resistance R 2 and capacitor C 1, and switching tube is selected NPN type triode Q1; The two ends of resistance R 2 connect respectively the Voltage-output pin (being FD PIN pin) of RFID chip U1 and the base stage of NPN type triode Q1, capacitor C 1 is connected between the base stage and ground of NPN type triode Q1, the collector of NPN type triode Q1 meets direct supply VCC by pull-up resistor R1 on the one hand, connect on the other hand the input end that extends out microcontroller W1, the grounded emitter of NPN type triode Q1.Extend out microcontroller W1 by the work of the voltage triggered self of the Voltage-output pin output of RFID chip U1, realize the Function Extension of intelligent label.
As an embodiment of the present utility model, luminescence unit D1 comprises at least one light emitting diode.As a preferred embodiment, luminescence unit D1 selects RGB LED, under different input voltages, the color relation that RGB LED sends is different, application single phase half wave rectification, RGB color theory drive this RGB LED, match colors accordingly, can visually form different effects;
As an embodiment of the present utility model, the autoluminescence intelligent label also comprises one group of optical fiber T1 that is arranged on luminescence unit D1 periphery, and optical fiber can present difformity.Only show a kind of simple closed figures commonly used among the figure, by the conduction of optic fibre wire T1, change the luminous direction of propagation of luminescence unit D1, be made into various luminous models.
Fig. 2 is the structure diagram of the autoluminescence intelligent label that provides of the utility model the second embodiment, for convenience of explanation, only shows the part relevant with the utility model embodiment.As shown in the figure:
Autoluminescence intelligent label and above-mentioned the first embodiment difference that this second embodiment provides only are:
On the one hand, RFID chip U1 and luminescence unit D1 are the two ends that are attempted by simultaneously induction antenna ANT, luminescence unit D1 utilizes equally induction antenna ANT outwards to launch the RF energy that induction is come in the formed magnetic field of radiofrequency signal of certain frequency at read write line and drives, and makes it luminous shinny;
On the other hand, switching tube is selected NMOS pipe Q2, and the grid of NMOS pipe Q2 is the control end of switching tube, the output terminal of connecting resistance R2, and the drain electrode of NMOS pipe Q2 is the hot end of described switching tube, and the source electrode of described NMOS pipe Q4 is the cold end of described switching tube.
Identical with the first embodiment is that the autoluminescence intelligent label also comprises one group of optical fiber T1 that is arranged on luminescence unit D1 periphery.Of particular note, optical fiber T1 also may be arranged on the periphery of RFID chip U1 and luminescence unit D1, and the explanation that takes a single example does not here limit shape and the position of optical fiber T1.By the conduction of optical fiber T1, change the luminous direction of propagation of luminescence unit D1, be made into various luminous models.
A kind of autoluminescence intelligent label and trigger circuit thereof that the utility model provides on the basis of existing autoluminescence intelligent label, by an external microcontroller of trigger circuit, have been realized the expansion of the functions such as counting, have enriched the application market of intelligent label; On the other hand, can not share same coil and the circuit deficiency complicated, that process costs is high that causes is improved to luminescence unit and RFID chip in the existing autoluminescence intelligent label, so that luminescence unit and RFID chip share original inductive coil; And as improving, use the principles such as single-phase half-wave/full-wave rectification, RGB color matching and drive luminescence unit, make it automatically regulate glow color; Can also change by the optical fiber that is arranged on the luminescence unit periphery direction of propagation of light, to form various luminous models, further enlarge the application of intelligent label.
The above only is preferred embodiment of the present utility model, not in order to limit the utility model, although with reference to previous embodiment the utility model has been carried out more detailed explanation, for a person skilled in the art, it still can be made amendment or part technical characterictic wherein is equal to replacement the technical scheme that aforementioned each embodiment puts down in writing.All any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. the trigger circuit of an autoluminescence intelligent label are connected to the Voltage-output pin of RFID chip U1 and extend out between the microcontroller W1, and it is characterized in that: described trigger circuit comprise RC low-pass filter, switching tube and the pull-up resistor R1 that connects successively;
The output pin of the described RFID chip of the input termination U1 of described RC low-pass filter, the control end of the described switching tube of output termination of described RC low-pass filter, the hot end of described switching tube meets direct supply VCC by described pull-up resistor R1 on the one hand, connect on the other hand the described input end that extends out microcontroller W1, the cold end ground connection of described switching tube.
2. the trigger circuit of autoluminescence intelligent label as claimed in claim 1, it is characterized in that: described RC low-pass filter comprises: resistance R 2 and capacitor C 1;
The two ends of described resistance R 2 are respectively input end and the output terminal of described RC low-pass filter, and described capacitor C 1 is connected between the output terminal and ground of described RC low-pass filter.
3. the trigger circuit of autoluminescence intelligent label as claimed in claim 1, it is characterized in that: described switching tube is NPN type triode Q1, the base stage of described NPN type triode Q1 is the control end of described switching tube, the hot end of the very described switching tube of current collection of described NPN type triode Q1, the cold end of the very described switching tube of emission of described NPN type triode Q1.
4. the trigger circuit of autoluminescence intelligent label as claimed in claim 1, it is characterized in that: described switching tube is NMOS pipe Q2, the grid of described NMOS pipe Q2 is the control end of described switching tube, the drain electrode of described NMOS pipe Q2 is the hot end of described switching tube, and the source electrode of described NMOS pipe Q2 is the cold end of described switching tube.
5. an autoluminescence intelligent label comprises induction antenna, RFID chip U1 and a luminescence unit D1, it is characterized in that, described autoluminescence intelligent label also comprises such as each described trigger circuit of claim 1-4 and extends out microcontroller W1.
6. autoluminescence intelligent label as claimed in claim 5 is characterized in that, described RFID chip U1 and described luminescence unit D1 are serially connected in the two ends of described induction antenna, shares the energy that described induction antenna is collected.
7. autoluminescence intelligent label as claimed in claim 5 is characterized in that, described RFID chip U1 and described luminescence unit D1 are attempted by the two ends of described induction antenna, shares the energy that described induction antenna is collected.
8. autoluminescence intelligent label as claimed in claim 5 is characterized in that, described luminescence unit D1 comprises at least one light emitting diode.
9. autoluminescence intelligent label as claimed in claim 8 is characterized in that, described at least one light emitting diode is RGB LED.
10. such as each described autoluminescence intelligent label of claim 5-9, it is characterized in that, described autoluminescence intelligent label also comprises the one group of optical fiber T1 that is arranged on described luminescence unit D1 periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503634 CN202904635U (en) | 2012-09-28 | 2012-09-28 | Self-luminous intelligent label and trigger circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220503634 CN202904635U (en) | 2012-09-28 | 2012-09-28 | Self-luminous intelligent label and trigger circuit thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202904635U true CN202904635U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220503634 Expired - Fee Related CN202904635U (en) | 2012-09-28 | 2012-09-28 | Self-luminous intelligent label and trigger circuit thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9471817B1 (en) | 2015-07-09 | 2016-10-18 | Raed H. AlHazme | Action-triggered radio-frequency identification tag |
-
2012
- 2012-09-28 CN CN 201220503634 patent/CN202904635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9471817B1 (en) | 2015-07-09 | 2016-10-18 | Raed H. AlHazme | Action-triggered radio-frequency identification tag |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20130928 |