CN210038786U - Multifunctional card reader - Google Patents
Multifunctional card reader Download PDFInfo
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- CN210038786U CN210038786U CN201920887231.7U CN201920887231U CN210038786U CN 210038786 U CN210038786 U CN 210038786U CN 201920887231 U CN201920887231 U CN 201920887231U CN 210038786 U CN210038786 U CN 210038786U
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Abstract
The utility model provides a multifunctional card reader, belonging to the technical field of access control systems; the multifunctional card reader comprises: the RFID system comprises a microcontroller, a first RFID coil, a first RFIC coil and a first electronic switch, wherein a signal receiving end of the first RFID coil is electrically connected with the microcontroller, and a signal output end is electrically connected with a first receiving port of the microcontroller through the first electronic switch; the signal receiving end of the first RFIC coil is electrically connected with the microcontroller, and the signal output end is electrically connected with the first receiving port of the microcontroller through the first electronic switch. The multifunctional card reader can read both RFID and RFIC, and the entrance and exit can be judged by only arranging one multifunctional card reader in one gate channel, so that the multifunctional card reader realizes multifunction and integration, and saves resources and cost.
Description
Technical Field
The utility model relates to an access control system technical field especially indicates a multifunctional card reader.
Background
The existing card reader can only read one of RFID or RFIC, for the actual kindergarten, either an ID card or an IC card is used, and parents need to buy the card again when the kindergarten changes the school due to different card reading types of gate machines used by different kindergartens, so that the resource waste is caused, and meanwhile, because the requirements of the school are different, the gate machines of the same type need to read two types, namely the gate machine of the IC card and the gate machine of the ID card when manufacturers stock; in addition, the card reading system of the existing gate card reader shown in fig. 1 is usually adopted, two card readers are required to be arranged in one gate channel, and one card reader is required to be arranged in one gate channel and one card reader is required to be arranged in the other gate channel, so that the cost of the product is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a multi-functional card reader can only read RFID or RFIC one with a floodgate machine passageway in order to solve current card reader and need set up the problem of entering two card readers one by one.
In order to solve the above technical problem, an embodiment of the utility model provides a multifunctional card reader, include: a microcontroller, a first RFID coil, a first RFIC coil, and a first electronic switch;
the signal receiving end of the first RFID coil is electrically connected with the microcontroller, and the signal output end of the first RFID coil is electrically connected with the first receiving port of the microcontroller through the first electronic switch; the signal receiving end of the first RFIC coil is electrically connected with the microcontroller, and the signal output end is electrically connected with the first receiving port of the microcontroller through the first electronic switch.
Wherein, the multi-functional card reader still includes: a second RFID coil, a second RFIC coil, and a second electronic switch;
the signal receiving end of the second RFID coil is electrically connected with the microcontroller, and the signal output end of the second RFID coil is electrically connected with a second receiving port of the microcontroller through the second electronic switch; and the signal receiving end of the second RFIC coil is electrically connected with the microcontroller, and the signal output end is electrically connected with a second receiving port of the microcontroller through the second electronic switch.
The multifunctional card reader is provided with a first card swiping area and a second card swiping area;
wherein the first RFID coil and the first RFIC coil are disposed within the first swipe area; the second RFID coil and the second RFIC line are disposed within the second swipe area.
The first electronic switch comprises a first control signal receiving end, and the first control signal receiving end is electrically connected with a first general input/output port of the microcontroller and receives high and low levels output by the first general input/output port of the microcontroller.
The second electronic switch comprises a second control signal receiving end, and the second control signal receiving end is electrically connected with a second universal input/output port of the microcontroller and receives high and low levels output by the second universal input/output port of the microcontroller.
The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:
in the scheme, the multifunctional card reader can read both an ID card and an IC card, and the entrance and the exit can be judged by only arranging one multifunctional card reader in one gate channel, so that the multifunctional integrated gate card reader realizes multifunction and integration, and saves resources and cost.
Drawings
FIG. 1 is a card reading system of a conventional gate card reader;
FIG. 2 is a card reading system of the multifunctional card reader of the present invention;
fig. 3 is a block diagram of the multifunctional card reader of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Referring to fig. 2 to 3, the utility model provides a multifunctional card reader, include: the system comprises a microcontroller MCU, a first RFID coil, a first RFIC coil and a first electronic switch;
the signal receiving end of the first RFID coil is electrically connected with an output port ID-TX1 of the microcontroller MCU, and the signal output end of the first RFID coil is electrically connected with a first receiving port RX1 of the microcontroller MCU through the first electronic switch; the signal receiving end of the first RFIC coil is electrically connected with an output port IC-TX1 of the microcontroller MCU, and the signal output end of the first RFIC coil is electrically connected with a first receiving port RX1 of the microcontroller MCU through the first electronic switch.
At the same time, a first electronic switch makes only one and only one of the first RFID coil and the first RFIC coil communicate with a first receiving port RX1 of the microcontroller MCU under the control of the microcontroller MCU. By polling the first RFID coil and the first RFIC coil for a switch, the multifunction card reader can read both an ID card and an IC card.
Wherein, the multi-functional card reader still includes: a second RFID coil, a second RFIC coil, and a second electronic switch;
the signal receiving end of the second RFID coil is electrically connected with an output port ID-TX2 of the microcontroller MCU, and the signal output end of the second RFID coil is electrically connected with a second receiving port RX2 of the microcontroller MCU through the second electronic switch; the signal receiving end of the second RFIC coil is electrically connected with an output port IC-TX2 of the microcontroller MCU, and the signal output end of the second RFIC coil is electrically connected with a second receiving port RX2 of the microcontroller MCU through the second electronic switch.
At the same time, a second electronic switch makes only one and only one of the second RFID coil and the second RFIC coil communicate with a second receiving port RX2 of the microcontroller MCU under the control of the microcontroller MCU. After the first RFID coil and the first RFIC coil polling switch are completed, the second RFID coil and the second RFIC coil begin polling.
In addition, the card number data received through the first receiving port RX1 is denoted as entering the park, and the card number data received through the second receiving port RX2 is denoted as exiting the park.
The multifunctional card reader is provided with a first card swiping area and a second card swiping area, the first card swiping area is arranged in the entrance direction of the gate channel, and the second card swiping area is arranged in the exit direction of the gate channel;
wherein the first RFID coil and the first RFIC coil are disposed within the first swipe area; the second RFID coil and the second RFIC line are disposed within the second swipe area. When the card is swiped in the first card swiping area, the first RFID coil or the first RFIC coil transmits card number data to the first receiving port RX1, and when the card is swiped in the second card swiping area, the second RFID coil or the second RFIC coil transmits the card number data to the second receiving port RX2, namely, the card reader can judge the entering and the exiting.
The first electronic switch comprises a first control signal receiving end, the first control signal receiving end is electrically connected with a first general input/output port GPIO1 of the microcontroller MCU and receives high and low levels output by the first general input/output port GPIO1 of the microcontroller MCU, the switching time of the high and low levels is 250ms, when the level output by the first general input/output port GPIO1 is high level, the signal output end of the first RFID coil is electrically connected with a first receiving port RX1 of the microcontroller MCU through the first electronic switch, and the signal output end of the first RFID coil transmits card number data to the first receiving port RX1 of the microcontroller MCU; after 250ms, the level output by the first general input/output port GPIO1 is low, the signal output terminal of the first RFIC coil is electrically connected to the first receiving port RX1 of the microcontroller MCU through the first electronic switch, and the signal output terminal of the first RFIC coil transmits the card number data to the first receiving port RX1 of the microcontroller MCU. If the card is swiped in the first card swiping area at the time, the card number can be read correctly regardless of whether the ID card or the IC card is close to the card swiping area, and the inquiry of the two cards can be completed within 500 ms.
Wherein the second electronic switch comprises a second control signal receiving terminal, the second control signal receiving terminal is electrically connected with a second general input/output port GPIO2 of the microcontroller MCU and receives high and low levels output by the second general input/output port GPIO2 of the microcontroller MCU, after the first general purpose input/output port GPIO1 of the microcontroller outputs high and low levels, the second general input/output port GPIO2 of the microcontroller starts to output high and low levels, the switching time of the high and low levels is also 250ms, when the level outputted from the second general input/output port GPIO2 is at a high level, the signal output end of the second RFID coil is electrically connected with a second receiving port RX2 of the microcontroller MCU through the second electronic switch, the signal output end of the second RFID coil transmits the card number data to a second receiving port RX2 of the microcontroller MCU; after 250ms, the level output by the second general input/output port GPIO2 is low, the signal output terminal of the second RFIC coil is electrically connected to the second receiving port RX2 of the microcontroller MCU through the second electronic switch, and the signal output terminal of the second RFIC coil transmits the card number data to the second receiving port RX2 of the microcontroller MCU. If the card is swiped in the second card swiping area at the time, the card number can be read correctly regardless of whether the ID card or the IC card is close to the card swiping area, and the inquiry of the two cards can be completed within 500 ms.
After the second general input/output port GPIO2 of the microcontroller outputs high and low levels, the first general input/output port GPIO1 of the microcontroller starts to output high and low levels and sequentially cycles, that is, the polling switch of 4 coils is completed in 1s, so that 1s of time is needed for swiping any card in any card swiping area at most.
In the scheme, the multifunctional card reader can read both an ID card and an IC card, and the entrance and the exit can be judged by only arranging one multifunctional card reader in one gate channel, so that the multifunctional card reader realizes multifunction and integration, and saves resources and cost.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A multi-function card reader, the multi-function card reader comprising: a microcontroller, a first RFID coil, a first RFIC coil, and a first electronic switch;
the signal receiving end of the first RFID coil is electrically connected with the microcontroller, and the signal output end of the first RFID coil is electrically connected with the first receiving port of the microcontroller through the first electronic switch; the signal receiving end of the first RFIC coil is electrically connected with the microcontroller, and the signal output end is electrically connected with the first receiving port of the microcontroller through the first electronic switch.
2. The multi-function card reader of claim 1, further comprising: a second RFID coil, a second RFIC coil, and a second electronic switch;
the signal receiving end of the second RFID coil is electrically connected with the microcontroller, and the signal output end of the second RFID coil is electrically connected with a second receiving port of the microcontroller through the second electronic switch; and the signal receiving end of the second RFIC coil is electrically connected with the microcontroller, and the signal output end is electrically connected with a second receiving port of the microcontroller through the second electronic switch.
3. The multi-function card reader of claim 2, wherein the multi-function card reader is provided with a first card swiping zone and a second card swiping zone;
wherein the first RFID coil and the first RFIC coil are disposed within the first swipe area; the second RFID coil and the second RFIC line are disposed within the second swipe area.
4. The multi-function card reader of any of claims 1-3, wherein the first electronic switch comprises a first control signal receiving terminal electrically connected to a first general purpose input/output port of the microcontroller for receiving a high/low level of the first general purpose input/output port of the microcontroller.
5. The multi-function card reader of claim 2 or 3, wherein the second electronic switch comprises a second control signal receiving terminal electrically connected to a second general purpose input/output port of the microcontroller for receiving a high/low level output from the second general purpose input/output port of the microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887231.7U CN210038786U (en) | 2019-06-13 | 2019-06-13 | Multifunctional card reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920887231.7U CN210038786U (en) | 2019-06-13 | 2019-06-13 | Multifunctional card reader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210038786U true CN210038786U (en) | 2020-02-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920887231.7U Active CN210038786U (en) | 2019-06-13 | 2019-06-13 | Multifunctional card reader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210038786U (en) |
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2019
- 2019-06-13 CN CN201920887231.7U patent/CN210038786U/en active Active
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| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220401 Granted publication date: 20200207 |