CN206765986U - RF inductive theft-proof devices - Google Patents
RF inductive theft-proof devices Download PDFInfo
- Publication number
- CN206765986U CN206765986U CN201720591462.4U CN201720591462U CN206765986U CN 206765986 U CN206765986 U CN 206765986U CN 201720591462 U CN201720591462 U CN 201720591462U CN 206765986 U CN206765986 U CN 206765986U
- Authority
- CN
- China
- Prior art keywords
- pin
- electric capacity
- connection
- modules
- chip microcomputer
- 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
- Burglar Alarm Systems (AREA)
Abstract
It the utility model is related to sensing identification technology field, especially a kind of RF inductive theft-proofs device, including main frame and remote control, the main frame includes 315 receiving modules, host SCM and 433M sending modules, the remote control includes 433M receiving modules, remote control single-chip microcomputer and 315M sending modules, host SCM sends signal to 433M sending modules, 433M sending modules are to external radiation 433M modulated signals, 4433M modulated signals are handled after being received by 433M receiving modules by remote control single-chip microcomputer, signal after single-chip microcomputer processing sends 315M sending modules to, 315M sending modules are to external radiation 315M modulated signals, 315M modulated signals are transmitted to host SCM again after being received by 315 receiving modules.The present apparatus is simple in construction, cheap to be communicated by RF radiating circuits and receiving circuit, reaches remote control and senses close to main frame, and unblock is performed after car owner so as to which main frame can identify, is set up defences, the function such as upper electricity.
Description
Technical field
It the utility model is related to sensing identification technology field, especially a kind of RF inductive theft-proofs device.
Background technology
It is mainly PKE schemes, such as Fig. 7 that electric car or motorcycle alarm industry heritage, which answer alarm, and it uses 125K
The working method that low-frequency modulation signal carries out data transmission, this mode need remote control respectively to configure a line of induction with main frame
Circle, this PKE scheme systems are huge, with high costs.The operating distance that this mode is influenceed by transmission power is typically only capable to fix
To receive in the range of several meters and easily the interference in other signals or magnetic field.And plug-in transmitting bar magnet coil is not easy to pacify on main frame
There is directionality in dress, the wireless signal of transmission, induced signal radiation has larger blind area.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of RF inductive theft-proofs device.
Technical scheme is used by the utility model solves its technical problem：A kind of RF inductive theft-proofs device, including main frame
And remote control, the main frame include 315 receiving modules, host SCM U4 and 433M sending module, the remote control includes
433M receiving modules, remote control single-chip microcomputer and 315M sending modules, host SCM U4 send signal to 433M sending modules,
433M sending modules to external radiation 433M modulated signals, 4433M modulated signals received by 433M receiving modules after by remote control
Single-chip microcomputer processing, the signal after single-chip microcomputer processing send 315M sending modules to, and 315M sending modules are modulated to external radiation 315M
Signal, 315M modulated signals are transmitted to host SCM U4 again after being received by 315 receiving modules.
According to another embodiment of the present utility model, further comprise that the 1 pin connection 315 in host SCM U4 receives
3 pin in module, 19 pin connect 3 pin in 433M sending modules, 8 pin connection electric capacity C23,9 pin connection electric capacity C24.
According to another embodiment of the present utility model, further comprise that 1 pin of single-chip microcomputer U2 in 433M sending modules connects
Crystal oscillator, 3 pin pass through resistance R5 connection host SCMs, 5 pin connection electric capacity C15 and then ground connection；5 pin be also sequentially connected in series electric capacity C6,
Inductance L6 and electric capacity C2 and electric capacity C13 parallel circuit, electric capacity C2 and the electric capacity C13 other ends are all grounded, and 5 pin are also sequentially connected in series
Inductance L5 and resistance R3, the 6 pin connection resistance R3 other end, 6 pin are also connected with resistance R36 and then are grounded.
According to another embodiment of the present utility model, further comprise the 2 pin electric capacity of single-chip microcomputer U1 in 315 receiving modules
C0 and resistance R34,4 pin connection resistance R30 and R18,5 pin connect crystal oscillator, are grounded after crystal oscillator connection R18,8 pin connection electric capacity C3, electricity
Hold C3 one end connection inductance L2 and electric capacity C8 parallel circuit, the other end connects inductance L1 and electric capacity C4 parallel circuit.
According to another embodiment of the present utility model, further comprise that 2 pin in 315M sending module single-chip microcomputers U5 connect
Electric capacity C3,3 pin connection electric capacity C5 and then ground connection are connect, 3 pin also series inductance L1 and resistance R2,3 pin are also sequentially connected electric capacity C1, electricity
Sense L2 and electric capacity C2 and electric capacity C4 parallel circuit, electric capacity C2 and the electric capacity C4 other ends are all grounded, and 7 pin connection 433 receives mould
The demodulated signal of block, 8 pin and 9 pin connection diode D2 and D3,8 pin connecting valve K4,9 pin connecting valve K1, diode D2 and
Any point connecting valve K2 between D3 on circuit, switch K1, K2 and K4 other end are all grounded, 14 pin connection crystal oscillator.
According to another embodiment of the present utility model, further comprise that 5 pin of single-chip microcomputer U3 in 433M receiving modules lead to
7 pin crossed in resistance R3 connection 315M sending modules, single-chip microcomputer U3 8 pin connect crystal oscillator, 15 pin and 16 pin in 433M receiving modules
Between connect electric capacity C9 and C10 parallel circuit, the connection of 14 pin electric capacity C7, electric capacity C7 one end connection inductance L4's and electric capacity C8
Parallel circuit, the other end connect inductance L3 and electric capacity C6 parallel circuit.
According to another embodiment of the present utility model, further comprise that the electric capacity C3 in 315M receiving modules is also connected with connecing
Receive antenna K1.
According to another embodiment of the present utility model, further comprise that the electric capacity C7 in 433M receiving modules is also connected with connecing
Receive antenna K5.
The beneficial effects of the utility model are that the present apparatus is simple in construction, it is cheap can be by RF radiating circuits and connecing
Receive circuit to be communicated, reach remote control and sense close to main frame, perform unblock after can identifying car owner so as to main frame, set up defences, upper electricity
Etc. function.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is host machine part single chip circuit schematic diagram；
Fig. 3 is host machine part 433M transmitter module schematic diagrames；
Fig. 4 is host machine part 315M receiving module schematic diagrames；
Fig. 5 is remote control part 315M transmitter module schematic diagrames；
Fig. 6 is remote control part 433M transmitter module schematic diagrames；
Fig. 7 is the theory diagram structural representation of traditional PKE sensings.
Embodiment
If Fig. 1-6 is structural representation of the present utility model, a kind of RF inductive theft-proofs device, including main frame and remote control, institute
State main frame include 315 receiving modules, host SCM U4 and 433M sending module, the remote control include 433M receiving modules,
Remote control single-chip microcomputer and 315M sending modules, host SCM U4 give 433M sending modules send signal, 433M sending modules to
External radiation 433M modulated signals, 4433M modulated signals are handled after being received by 433M receiving modules by remote control single-chip microcomputer, monolithic
Signal after machine processing sends 315M sending modules to, and 315M sending modules are believed to external radiation 315M modulated signals, 315M modulation
Number by 315 receiving modules receive after be transmitted to host SCM U4 again.
1 pin in host SCM U4 connects 3 pin in 315 receiving modules, and 19 pin connect 3 in 433M sending modules
Pin, 8 pin connection electric capacity C23,9 pin connection electric capacity C24.
U2 1 pin connects crystal oscillator in 433M sending modules, and 3 pin pass through resistance R5 connection host SCMs, 5 pin connection electric capacity
C15 and then ground connection；5 pin are also sequentially connected in series electric capacity C6, inductance L6 and electric capacity C2 and electric capacity C13 parallel circuit, electric capacity C2 and
The electric capacity C13 other ends are all grounded, and 5 pin are also sequentially connected in series inductance L5 and resistance R3, the 6 pin connection resistance R3 other end, and 6 pin also connect
Connecting resistance R36 and then ground connection.
U1 2 pin electric capacity C0 and resistance R34 in 315 receiving modules, 4 pin connection resistance R30 and R18,5 pin connect crystal oscillator, brilliant
Shake and be grounded after connecting R18, the connection of 8 pin electric capacity C3, electric capacity C3 one end connection inductance L2 and electric capacity C8 parallel circuit, the other end
Connect inductance L1 and electric capacity C4 parallel circuit.
U5 2 pin connection electric capacity C3,3 pin connection electric capacity C5 and then ground connection, 3 pin also series inductance L1 in 315M sending modules
With resistance R2,3 pin are also sequentially connected electric capacity C1, inductance L2 and electric capacity C2 and electric capacity C4 parallel circuit, electric capacity C2 and electric capacity
The C4 other ends are all grounded, and 7 pin connect the demodulated signal of 433 receiving modules, 8 pin and 9 pin connection diode D2 and D3, the connection of 8 pin
K4,9 pin connecting valve K1, any point connecting valve K2 between diode D2 and D3 on circuit are switched, switchs K1, K2 and K4
The other end be all grounded, 14 pin connection crystal oscillator.
U3 5 pin are by 7 pin in resistance R3 connection 315M sending modules in 433M receiving modules, in 433M receiving modules
8 pin connect crystal oscillator, connect electric capacity C9 and C10 parallel circuit between 15 pin and 16 pin, 14 pin connection electric capacity C7, the one of electric capacity C7
End connection inductance L4 and electric capacity C8 parallel circuit, the other end connect inductance L3 and electric capacity C6 parallel circuit.
Electric capacity C3 in 315M receiving modules is also connected with reception antenna K1.
Electric capacity C7 in 433M receiving modules is also connected with reception antenna K5.
Fig. 1 process descriptions：Host SCM is set to send signal to 433M sending modules by external condition, 433M sends mould
Block is to external radiation high-frequency signal, and after the 433M receiving modules of remote control receive signal, solution assigns remote control, remote control list afterwards
After piece machine judges that data are correct, remote control single-chip microcomputer sends signal, the 315M sending modules of remote control is sent high-frequency signal, main
After the 315M receiving modules of machine receive the 315M sending module signals of remote control, solution assigns host SCM, and host SCM is sentenced
After break signal is correct, corresponding actions are performed.
Described in R34, C0, R18, R30, J1, L2, C8, C3, C4, L1, U1 composition RF receiving circuits in Fig. 2-4 reconnect
The single-chip microcomputer U4 linkup transmit integration module input signal end of pin 19, the radiating circuit by R3, L5, C15, C6, L6, C12,
C13, U2 are formed, and C23, C24 and C0 are filter capacitor.
Single-chip microcomputer U5 and C6, C7, L3, C8, L4, Z3 composition remote control RF receiving circuits in Fig. 5-6；Single-chip microcomputer U1 and
C1, C2, C3, C4, C5, L1, L2, Z2, D1, D2 composition remote control RF radiating circuits, C9 and C10 are filter capacitor.
When alarm is given a shock, or promote, button triggering, when remote control is close, host SCM as shown in Figure 2
U4 exports one group of password and is sent to RF radiating circuits that transmitting chip U2 and peripheral circuit form by its password by connecting resistance R5
Be converted to wireless carrier（RF launches）, now if remote control is in range of receiving, will by as shown in Figure 6 by U3 and C6,
The remote control RF receiving circuits of C7, L3, C8, L4, Z3 composition, which receive and are sent to U1 by resistance R3, to be decoded, and identification is correct
Afterwards, the remote control RF radiating circuits being made up of U1 chips and C1, C2, C4, C5, L1, L2, C3, Z2, D1, D2, which are sent, to be released or starts shooting
Host Command main frame is instructed to perform corresponding action, it is achieved thereby that remote control RF sensings.
It is described above to be merely exemplary for the utility model, and nonrestrictive, those of ordinary skill in the art
Understand, in the case where not departing from the spirit and scope that appended claims are limited, many modifications can be made, change or wait
Effect, but fall within the scope of protection of the utility model.
Claims (8)
1. a kind of RF inductive theft-proofs device, including main frame and remote control, it is characterized in that, the main frame includes 315 receiving modules, main frame
Single-chip microcomputer U4 and 433M sending module, the remote control include 433M receiving modules, remote control single-chip microcomputer and 315M sending modules,
Host SCM U4 sends signal to 433M sending modules, and 433M sending modules are modulated to external radiation 433M modulated signals, 4433M
Signal is handled after being received by 433M receiving modules by remote control single-chip microcomputer, and the signal after single-chip microcomputer processing sends 315M transmissions to
Module, 315M sending modules are transmitted to master again to external radiation 315M modulated signals, 315M modulated signals after being received by 315 receiving modules
Machine single-chip microcomputer U4.
2. RF inductive theft-proofs device according to claim 1, it is characterized in that, the 1 pin connection 315 in host SCM U4 receives
3 pin in module, 19 pin connect 3 pin in 433M sending modules, 8 pin connection electric capacity C23,9 pin connection electric capacity C24.
3. RF inductive theft-proofs device according to claim 1, it is characterized in that, single-chip microcomputer U2 1 pin connects in 433M sending modules
Crystal oscillator, 3 pin pass through resistance R5 connection host SCMs, 5 pin connection electric capacity C15 and then ground connection；5 pin be also sequentially connected in series electric capacity C6,
Inductance L6 and electric capacity C2 and electric capacity C13 parallel circuit, electric capacity C2 and the electric capacity C13 other ends are all grounded, and 5 pin are also sequentially connected in series
Inductance L5 and resistance R3, the 6 pin connection resistance R3 other end, 6 pin are also connected with resistance R36 and then are grounded.
4. RF inductive theft-proofs device according to claim 1, it is characterized in that, single-chip microcomputer U1 2 pin electric capacity in 315 receiving modules
C0 and resistance R34,4 pin connection resistance R30 and R18,5 pin connect crystal oscillator, are grounded after crystal oscillator connection R18,8 pin connection electric capacity C3, electricity
Hold C3 one end connection inductance L2 and electric capacity C8 parallel circuit, the other end connects inductance L1 and electric capacity C4 parallel circuit.
5. RF inductive theft-proofs device according to claim 1, it is characterized in that, single-chip microcomputer U5 2 pin connect in 315M sending modules
Electric capacity C3,3 pin connection electric capacity C5 and then ground connection are connect, 3 pin also series inductance L1 and resistance R2,3 pin are also sequentially connected electric capacity C1, electricity
Sense L2 and electric capacity C2 and electric capacity C4 parallel circuit, electric capacity C2 and the electric capacity C4 other ends are all grounded, and 7 pin connection 433 receives mould
The demodulated signal of block, 8 pin and 9 pin connection diode D2 and D3,8 pin connecting valve K4,9 pin connecting valve K1, diode D2 and
Any point connecting valve K2 between D3 on circuit, switch K1, K2 and K4 other end are all grounded, 14 pin connection crystal oscillator.
6. RF inductive theft-proofs device according to claim 1, it is characterized in that, single-chip microcomputer U3 5 pin lead in 433M receiving modules
7 pin crossed in resistance R3 connection 315M sending modules, single-chip microcomputer U3 8 pin connect crystal oscillator, 15 pin and 16 pin in 433M receiving modules
Between connect electric capacity C9 and C10 parallel circuit, the connection of 14 pin electric capacity C7, electric capacity C7 one end connection inductance L4's and electric capacity C8
Parallel circuit, the other end connect inductance L3 and electric capacity C6 parallel circuit.
7. RF inductive theft-proofs device according to claim 4, it is characterized in that, the electric capacity C3 in 315M receiving modules is also connected with connecing
Receive antenna K1.
8. RF inductive theft-proofs device according to claim 6, it is characterized in that, the electric capacity C7 in 433M receiving modules is also connected with connecing
Receive antenna K5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720591462.4U CN206765986U (en) | 2017-05-25 | 2017-05-25 | RF inductive theft-proof devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720591462.4U CN206765986U (en) | 2017-05-25 | 2017-05-25 | RF inductive theft-proof devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206765986U true CN206765986U (en) | 2017-12-19 |
Family
ID=60639198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720591462.4U Active CN206765986U (en) | 2017-05-25 | 2017-05-25 | RF inductive theft-proof devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206765986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117133A (en) * | 2017-05-25 | 2017-09-01 | 江苏华频电子科技有限公司 | RF inductive theft-proof devices |
| CN109462095A (en) * | 2018-11-10 | 2019-03-12 | 慈溪市栋电子有限公司 | 433M Digiplex controlled wireless remote control socket |
-
2017
- 2017-05-25 CN CN201720591462.4U patent/CN206765986U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107117133A (en) * | 2017-05-25 | 2017-09-01 | 江苏华频电子科技有限公司 | RF inductive theft-proof devices |
| CN109462095A (en) * | 2018-11-10 | 2019-03-12 | 慈溪市栋电子有限公司 | 433M Digiplex controlled wireless remote control socket |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102014397B (en) | Radio frequency identification method and radio frequency identification system | |
| CN103365280A (en) | Intelligent home integrated control system and intelligent home control method | |
| CN206765986U (en) | RF inductive theft-proof devices | |
| CN203933593U (en) | Half-duplex RS-485 isolation communicating circuit | |
| CN105957198A (en) | NFC and ZigBee-based entrance guard system | |
| CN108171859A (en) | A kind of channel door system based on passive RFID technology | |
| CN203151484U (en) | Wireless transmitting and receiving circuit | |
| CN202126048U (en) | Air-conditioning remote control system | |
| CN206294353U (en) | Broadband wireless dual mode communication module | |
| CN203492019U (en) | Wireless transmission circuit structure | |
| CN202694365U (en) | Radio frequency identification card reader for library management system | |
| CN204288323U (en) | PKE remote control induction lock | |
| CN107117133A (en) | RF inductive theft-proof devices | |
| CN206805554U (en) | A kind of frequency adjustable multi-protocols RFID reader automatically | |
| CN206975655U (en) | The NFC brushing card devices of electric-field intensity change can be shown | |
| CN205883467U (en) | 2. 4G infrared study remote control circuit is changeed to privately owned agreement | |
| CN203300033U (en) | Intelligent household bluetooth remote control device | |
| CN203134047U (en) | Novel antitheft module | |
| CN208367823U (en) | A kind of intelligent gas meter of automatic identification function module | |
| CN206741498U (en) | Chinese residents identity card sequence number acquisition device | |
| CN205211003U (en) | Campus vehicle information acquisition device based on RFID | |
| CN209044727U (en) | A kind of novel intelligent locking device controlling smart home | |
| CN107826081A (en) | A kind of controller of electric vehicle antitheft with GPS location | |
| CN208240033U (en) | A kind of handheld terminal and Warehouse Management System based on radio frequency identification | |
| CN208636854U (en) | A kind of omnidirectional's active RFID reader |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |