CN207074437U - A kind of erect-position read head - Google Patents
A kind of erect-position read head Download PDFInfo
- Publication number
- CN207074437U CN207074437U CN201720803303.6U CN201720803303U CN207074437U CN 207074437 U CN207074437 U CN 207074437U CN 201720803303 U CN201720803303 U CN 201720803303U CN 207074437 U CN207074437 U CN 207074437U
- Authority
- CN
- China
- Prior art keywords
- pin
- mcu
- read head
- port
- circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electronic Switches (AREA)
Abstract
The utility model discloses a kind of erect-position read head, include：Read head antenna；Microcircuit IC read head chips；MCU；MCU is connected with the reset circuit for resetting MCU.Pass through the addition of reset chip circuit, when IC read heads start every time, when external voltage is not reaching to the operating voltage range of the MCU in IC read heads, reset chip can give MCU reset signals, MCU completes to reset operation, prevent MCU's to execute out the instruction for causing to send mistake or the operation for performing mistake, and then ensure the normal work of IC read heads.
Description
Technical field
It the utility model is related to less radio-frequency field, more particularly to a kind of erect-position read head.
Background technology
It is frequently necessary to use sensor, such as photoelectric sensor in the production process of existing clothes factory, and for controlling
Whether handrail or baffle plate of clothes stand disengaging etc., sensor detection current location have clothes hanger to block, are then controlled by controller
Handrail or baffle plate are turned on and off, and reach the purpose of control clothes hanger disengaging.
The stability and reliability of the existing sensor of in the market are poor, are easily disturbed by external environment condition, such as dust, electricity
Magnetic, electrostatic and input voltage change etc. interference, largely effect on the normal work of the element of sensor internal, it is necessary to through
Often clear up dust or power-off restarting is carried out to sensor, and large effect is produced to the normal work of sensor, often lead
Cause working sensor abnormal, it is difficult to meet market needs.
Utility model content
The utility model is easily disturbed to solve sensor, power-off restarting is asked the technology of sensor generation operation irregularity
A kind of topic, there is provided erect-position read head.
The utility model provides a kind of erect-position read head, includes：
Read head antenna, for being sent out the carrier signal after ovennodulation or receiving radiofrequency signal；
Microcircuit I C read head chips, for controlling read head coil to be sent out the carrier signal after ovennodulation or reception
Radiofrequency signal, and sent after the radiofrequency signal received is carried out into decoding process to MCU；
MCU, for receiving the radiofrequency signal after decoding process, control signal is generated after being handled；
The MCU is connected with the reset circuit for resetting MCU.
Further, the reset circuit includes MAX809STRG chips, and the MCU is LPC1114, described
MAX809STRG chip pins RESET and MCU pin RESET connections.
Further, also include：Telecommunication circuit, for receiving MCU control signal and being sent out；
Power circuit, for being respectively that microcircuit I C read heads chip, MCU and telecommunication circuit provide power supply；
The read head antenna, microcircuit I C read heads chip, MCU, telecommunication circuit are sequentially connected；The microcircuit I C read heads
Chip, MCU, telecommunication circuit are connected with power module respectively.
Further, the microcircuit I C read head chips are connected with two antistatics for being used for screening filtering electrostatic potential
Circuit.
Further, the anti-static circuit includes three ports；
The first port of the anti-static circuit is connected with the 3rd port by two diodes, described two diodes
Positive pole is connected, and the negative pole of described two diodes is connected with the first port of anti-static circuit with the 3rd port respectively；
The second port of the anti-static circuit is connected with the 3rd port by two diodes, described two diodes
Positive pole is connected, and the negative pole of described two diodes is connected with the second port of anti-static circuit with the 3rd port respectively；
The 3rd port ground connection of the anti-static circuit.
Further, the power circuit includes 5V power modules and 3.3V power modules, the 5V power modules and I
C read heads chip connects；The 3.3V power modules are connected with MCU and telecommunication circuit respectively.
Further, the microcircuit I C read heads chip is RC500, and the MCU is LPC1114, the telecommunication circuit bag
MAX3232 chips and RS232 interface are included；13 pin, 14 pin, 15 pin, 16 pin, 17 pin, 18 pin, 19 pin, 20 pin of the RC500
20 pin with MCU, 19 pin, 18 pin, 17 pin, 13 pin, 14 pin, 15 pin, 16 pin are connected respectively；9 pin of the RC500,10 pin, 11
23 pin with MCU, 22 pin, 21 pin, 24 pin, 26 pin, 25 pin are connected respectively for pin, 21 pin, 2 pin, 31 pin；The MAX3232 chips
9 pin, 46 pin with LPC1114,47 pin are connected 10 pin respectively；7 pin and 8 pin of MAX3232 chips respectively with RS232 interface
Pin RXD, pin TXD connections.
Further, the output pin TX1 of the RC500 chips, output pin TX2 respectively with anti-static circuit
Second port, first port connection；Input pin RX, the pin VMI D of the RC500 chips are electric with another antistatic respectively
The first port on road, second port connection.
The beneficial effects of the utility model are：
By the addition of reset chip circuit, when IC read heads start every time, it is not reaching in external voltage in IC read heads
MCU operating voltage range when, reset chip can give MCU reset signals, and MCU completes to reset operation, prevents the unordered of MCU from holding
Row causes the instruction for sending mistake or the operation for performing mistake, and then ensures the normal work of IC read heads.
Meanwhile when acute variation or electricity shortage occurs in the external voltage of IC read heads, MCU is resetted, ensure MCU
Program re-executes, and avoids MCU from entering unordered working condition, ensures the normal work of IC read heads.
Brief description of the drawings
Fig. 1 is the module connection figure in a kind of embodiment of the utility model.
Fig. 2 is reset circuit and MCU circuit theory diagrams in a kind of embodiment of the utility model.
Fig. 3 is the circuit theory diagrams of communicating circuit in a kind of embodiment of the utility model.
In figure：1 is read head antenna, and 21 be anti-static circuit, and 22 be anti-static circuit, and 3 be RC500 chips, and 4 be MCU, 5
It is telecommunication circuit for power circuit, 6,7 be reset circuit.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " suitable
The orientation or position relationship of the instruction such as hour hands ", " counterclockwise " are based on orientation shown in the drawings or position relationship, merely to just
In description the utility model and simplified description, rather than indicate or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that two or two
More than, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it
" under " can directly be contacted including the first and second features, it is not directly to contact but lead to that can also include the first and second features
The other characterisation contact crossed between them.Moreover, fisrt feature second feature " on ", " top " and " above " include the
One feature is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.First is special
Sign second feature " under ", " lower section " and " below " including fisrt feature immediately below second feature and obliquely downward, or only
Represent that fisrt feature level height is less than second feature.
The utility model is described in further detail below by embodiment combination accompanying drawing.
The utility model provides a kind of erect-position read head, includes：
Read head antenna 1, for being sent out the carrier signal after ovennodulation or receiving radiofrequency signal；
Microcircuit I C read head chips, for controlling read head coil to be sent out the carrier signal after ovennodulation or reception
Radiofrequency signal, and sent after the radiofrequency signal received is carried out into decoding process to MCU 4；
MCU, for receiving the radiofrequency signal after decoding process, control signal is generated after being handled；
The MCU is connected with the reset circuit 7 for resetting MCU；
Telecommunication circuit 6, for receiving MCU control signal and being sent out；
Power circuit 5, for being respectively that microcircuit I C read heads chip, MCU and telecommunication circuit provide power supply；
Read head antenna, microcircuit I C read heads chip, MCU, telecommunication circuit are sequentially connected；The microcircuit I C read head cores
Piece, MCU, telecommunication circuit are connected with power module respectively.
The composition of reset circuit is described below：
Reset circuit includes MAX809STRG chips, and the MCU is LPC1114, the MAX809STRG chip pins
RESET and MCU pin RESET connections.
Microcircuit I C read head chips be also associated with two be used for screening filtering electrostatic potential anti-static circuits 21 with prevent it is quiet
Circuit 22.
The composition of anti-static circuit is described below：
Anti-static circuit includes three ports；
The first port of the anti-static circuit is connected with the 3rd port by two diodes, described two diodes
Positive pole is connected, and the negative pole of described two diodes is connected with the first port of anti-static circuit with the 3rd port respectively；
The second port of the anti-static circuit is connected with the 3rd port by two diodes, described two diodes
Positive pole is connected, and the negative pole of described two diodes is connected with the second port of anti-static circuit with the 3rd port respectively；
The 3rd port ground connection of the anti-static circuit.
The composition of power circuit is described below：
Power circuit includes 5V power modules and 3.3V power modules, the 5V power modules and microcircuit I C read heads
Chip, i.e. RC500 chips 3 connect；The 3.3V power modules are connected with MCU and telecommunication circuit respectively.
The composition of telecommunication circuit is described below：
Telecommunication circuit includes MAX3232 chips and RS232 interface；
Microcircuit I C read heads chips are being limited as RC500, in the case that MCU is LPC1114,
RC500 13 pin, 14 pin, 15 pin, 16 pin, 17 pin, 18 pin, 19 pin, 20 pin 20 pin with MCU, 19 pin, 18 respectively
Pin, 17 pin, 13 pin, 14 pin, 15 pin, the connection of 16 pin；RC500 9 pin, 10 pin, 11 pin, 21 pin, 2 pin, 31 pin are respectively with MCU's
23 pin, 22 pin, 21 pin, 24 pin, 26 pin, the connection of 25 pin；9 pin of MAX3232 chips, 10 pin 46 pin with LPC1114,47 respectively
Pin connects；The pin RXD with RS232 interface, pin TXD are connected 7 pin of MAX3232 chips respectively with 8 pin；
Output pin TX1, the output pin TX2 of RC500 the chips second port with an anti-static circuit, first respectively
Port connects；Input pin RX, the pin VMI D of RC500 the chips first port with another anti-static circuit, second respectively
Port connects.
By the addition of reset chip circuit, when IC read heads start every time, it is not reaching in external voltage in IC read heads
MCU operating voltage range when, reset chip can give MCU reset signals, and MCU completes to reset operation, prevents the unordered of MCU from holding
Row causes the instruction for sending mistake or the operation for performing mistake, and then ensures the normal work of IC read heads.
Meanwhile when acute variation or electricity shortage occurs in the external voltage of IC read heads, MCU is resetted, ensure MCU
Program re-executes, and avoids MCU from entering unordered working condition, ensures the normal work of IC read heads.
In the description of this specification, reference term " embodiment ", " some embodiments ", " an implementation
The description of example ", " some embodiments ", " example ", " specific example " or " some examples " etc. means to combine the embodiment or example
Specific features, structure, material or the feature of description are contained at least one embodiment or example of the present utility model.At this
In specification, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.Moreover, description is specific
Feature, structure, material or feature can combine in an appropriate manner in any one or more embodiments or example.
Above content is to combine specific embodiment further detailed description of the utility model, it is impossible to is assert
Specific implementation of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (8)
- A kind of 1. erect-position read head, it is characterised in that：Include：Read head antenna, for being sent out the carrier signal after ovennodulation or receiving radiofrequency signal；Microcircuit IC read head chips, for controlling read head coil to be sent out the carrier signal after ovennodulation or receiving radio frequency letter Number, and sent after the radiofrequency signal received is carried out into decoding process to MCU；MCU, for receiving the radiofrequency signal after decoding process, control signal is generated after being handled；The MCU is connected with the reset circuit for resetting MCU.
- A kind of 2. erect-position read head according to claim 1, it is characterised in that：The reset circuit includes MAX809STRG Chip, the MCU are LPC1114, the pin RESET connections of MAX809STRG the chip pins RESET and MCU.
- A kind of 3. erect-position read head according to claim 2, it is characterised in that：Also include：Telecommunication circuit, for receiving MCU control signal and being sent out；Power circuit, for being respectively that microcircuit IC read heads chip, MCU and telecommunication circuit provide power supply；The read head antenna, microcircuit IC read heads chip, MCU, telecommunication circuit are sequentially connected；The microcircuit IC read heads chip, MCU, telecommunication circuit are connected with power module respectively.
- A kind of 4. erect-position read head according to claim 3, it is characterised in that：The microcircuit IC read head chips are connected with two anti-static circuits for being used for screening filtering electrostatic potential.
- A kind of 5. erect-position read head according to claim 4, it is characterised in that：The anti-static circuit includes three ends Mouthful；The first port of the anti-static circuit is connected with the 3rd port by two diodes, the positive pole of described two diodes It is connected, the negative pole of described two diodes is connected with the first port of anti-static circuit with the 3rd port respectively；The second port of the anti-static circuit is connected with the 3rd port by two diodes, and described two diodes are just Pole is connected, and the negative pole of described two diodes is connected with the second port of anti-static circuit with the 3rd port respectively；The 3rd port ground connection of the anti-static circuit.
- A kind of 6. erect-position read head according to claim 3, it is characterised in that：The power circuit includes 5V power modules With 3.3V power modules, the 5V power modules are connected with IC read head chips；The 3.3V power modules respectively with MCU and logical Believe circuit connection.
- A kind of 7. erect-position read head according to claim 5, it is characterised in that：The microcircuit IC read heads chip is RC500, The MCU is LPC1114, and the telecommunication circuit includes MAX3232 chips and RS232 interface；13 pin of the RC500,14 Pin, 15 pin, 16 pin, 17 pin, 18 pin, 19 pin, 20 pin 20 pin with MCU, 19 pin, 18 pin, 17 pin, 13 pin, 14 pin, 15 respectively Pin, the connection of 16 pin；9 pin of the RC500,10 pin, 11 pin, 21 pin, 2 pin, 31 pin respectively 23 pin with MCU, 22 pin, 21 pin, 24 pin, 26 pin, the connection of 25 pin；46 pin with LPC1114,47 pin are connected 9 pin, 10 pin of the MAX3232 chips respectively； The pin RXD with RS232 interface, pin TXD are connected 7 pin of MAX3232 chips respectively with 8 pin.
- A kind of 8. erect-position read head according to claim 7, it is characterised in that：The output pin TX1 of the RC500 chips, The second port with an anti-static circuit, first port are connected output pin TX2 respectively；The input of the RC500 chips is drawn The first port with another anti-static circuit, second port are connected respectively by pin RX, pin VMID.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803303.6U CN207074437U (en) | 2017-07-03 | 2017-07-03 | A kind of erect-position read head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720803303.6U CN207074437U (en) | 2017-07-03 | 2017-07-03 | A kind of erect-position read head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207074437U true CN207074437U (en) | 2018-03-06 |
Family
ID=61521896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720803303.6U Active CN207074437U (en) | 2017-07-03 | 2017-07-03 | A kind of erect-position read head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207074437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109255265A (en) * | 2018-08-01 | 2019-01-22 | 武汉普利商用机器有限公司 | Self-recovery method and device when reading identity card information exception |
| CN109785492A (en) * | 2019-02-21 | 2019-05-21 | 广州技象科技有限公司 | A kind of intelligent door lock is swiped the card abnormal adaptive approach |
-
2017
- 2017-07-03 CN CN201720803303.6U patent/CN207074437U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109255265A (en) * | 2018-08-01 | 2019-01-22 | 武汉普利商用机器有限公司 | Self-recovery method and device when reading identity card information exception |
| CN109785492A (en) * | 2019-02-21 | 2019-05-21 | 广州技象科技有限公司 | A kind of intelligent door lock is swiped the card abnormal adaptive approach |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207074437U (en) | A kind of erect-position read head | |
| CN205829209U (en) | A kind of charging undercarriage, unmanned plane, charging platform and unmanned plane continuation of the journey charging system | |
| CN102402704B (en) | Compound multifunctional IC card reader-writer | |
| CN201819943U (en) | Wireless data transmission voltage and current sensor with electronic tag | |
| CN102420899B (en) | Device and method for automatically switching working state of Bluetooth terminal equipment according to working state of mainframe | |
| CN208044342U (en) | A kind of charging station energy-consumption monitoring system | |
| CN207008636U (en) | A kind of microcircuit IC read head radio systems | |
| CN204679824U (en) | A kind of magnetic cobbing column automatic control apparatus | |
| CN109547010A (en) | Passive isolated form RS232 serial communication circuit | |
| CN207008635U (en) | A kind of microcircuit intelligent card IC read head sensors | |
| CN212060455U (en) | Multiloop electrical parameter monitoring equipment | |
| CN207008625U (en) | A kind of microcircuit intelligent card IC read head sensor devices | |
| CN203276525U (en) | Embedded test system convenient for near-field data transmission | |
| CN208971419U (en) | A kind of motor-drive circuit of communication with the outside world | |
| CN207008629U (en) | A kind of controller and microcircuit intelligent card IC read head separate types mechanism | |
| CN206209982U (en) | A kind of intelligent traffic card terminating machine | |
| CN102074075A (en) | Single-phase local prepayment intelligent electric energy meter | |
| CN207008795U (en) | A kind of intelligent gas meter based on lora communications | |
| CN206178850U (en) | Bluetooth read write line check out test set | |
| CN101957926B (en) | Radio-frequency card reading and writing circuit controlled and formed by MCU supporting nanoWatt technology | |
| CN202013641U (en) | Intelligent multi-point temperature measurement wireless transmitter | |
| CN104851317A (en) | Intelligent parking stall detection sensor | |
| CN207339944U (en) | The smart mobile phone of compatible charging interface | |
| CN214335787U (en) | Labeling apparatus | |
| CN218497640U (en) | Wireless communication device for intelligent water meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |