CN203338539U - Alarm device based on safe distance detection - Google Patents
Alarm device based on safe distance detection Download PDFInfo
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- CN203338539U CN203338539U CN2013203890754U CN201320389075U CN203338539U CN 203338539 U CN203338539 U CN 203338539U CN 2013203890754 U CN2013203890754 U CN 2013203890754U CN 201320389075 U CN201320389075 U CN 201320389075U CN 203338539 U CN203338539 U CN 203338539U
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- wireless transceiver
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- 238000001514 detection method Methods 0.000 title abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 7
- 230000004044 response Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 239000003990 capacitor Substances 0.000 description 10
- 239000000919 ceramic Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000003534 oscillatory effect Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to an alarm device based on safe distance detection The alarm device based the safe distance detection is composed of microprocessor, a wireless transceiver, a keyboard, an indicating lamp and a sound-light alarm circuit, wherein the wireless transceiver, the keyboard, the indicating lamp and the sound-light alarm circuit are connected with the microprocessor separately. The wireless transceiver is used for communication between the alarm device and another identical alarm device. The safe distance is changeable. Connection is established through a method of request-response. A process of detection-return is repeated interruptedly when the distance between the alarm device and the other alarm device is within a safe distance range. And when the distance between alarm device and the other alarm device is out of the range, the alarm device starts the sound-alarm circuit. The alarm device based the safe distance detection is simple in structure, good in flexibility and high in universality, and can be applied to any occasions with need. The alarm device based the safe distance detection can be used for anti-lost and anti-theft safeguard for children, pets, valuables and the like.
Description
Technical field
The utility model relates to a kind of alarm field, is a kind of warning device based on safe distance identification specifically.
Background technology
At present, the various warning devices that possess the functions such as anti-lost, searching, warning are arranged on the market, its solution has multiple, Pet loss preventer as the application number patented claim that is CN201010548238.X, inductor separately exists in it owner, when pet with anti-loss device from owner approximately 50 meters apart from the time, the inductor in owner's hand sends alarming sound automatically, but its distance of reaction is non-adjustable.The model airplane anti-loss device of the patented claim that the patent No. is ZL201120514707.6, comprise the ingredients such as STM32 processor, GPS module, gsm module and air pressure altitude module, and system is more complicated, is applicable to special field.A kind of anti-loss device that can mutually locate of the patented claim that application number is CN201210301006.3, adopt the real-time locator meams of CSS, solved the distance that anti-loss device exists in the past short, problem that can't directions, increased the accurate location of the relative position between anti-loss device and anti-loss device simultaneously, but need the support of base station, range of application is restricted and becomes higher.
Summary of the invention
The utility model provides a kind of warning device and method based on safe distance identification, can overcome the problem that current anti-lost warning device exists, and has the advantages such as distance is adjustable, simple in structure, with low cost.
For realizing that the technical scheme that target of the present utility model adopts is: a kind of warning device and method based on safe distance identification, it is characterized in that: device is by microprocessor, wireless transceiver, keyboard, pilot lamp and sound light alarming circuit form, wherein, wireless transceiver, keyboard, pilot lamp is connected with microprocessor respectively with sound light alarming circuit, between warning device, by wireless transceiver, communicate, safe distance is variable, first the mode by " request-response " connects, when between warning device the distance in the safe distance scope, constantly repeat the process of " detection-loopback ", distance between warning device exceeds safe distance, the alarm activation sound light alarming circuit.
Described microprocessor adopts single-chip microcomputer STC89C52RC, and wireless transceiver adopts and works in 2.4GHz～2.5GHz, belongs to the wireless radio frequency modules nRF24L01 of ISM band.
Described pilot lamp is comprised of red LED and green LED.
Described keyboard is comprised of three function buttons, is respectively start/stop button, safe distance regulating key and sound and light alarm and enables button.
Described each warning device configures respectively a unique identifier.
Described sound light alarming circuit is comprised of hummer and light emitting diode.
Described wireless transceiver works in the infinite loop state of " send-receive ".
Described safe distance changes by the output power that wireless transceiver is set.
The beneficial effects of the utility model are: simple in structure, dirigibility good, highly versatile, and can in officely what is the need for and want occasion to use.Can be used for the anti-lost and anti-thefts such as child, pet, valuables.
The accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model.
Fig. 2 is the workflow diagram of system of the present utility model.
Fig. 3 is embodiment circuit diagram of the present utility model.
Embodiment
Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing.
In Fig. 1,101 is microprocessor A; 102 is wireless transceiver; 103 is keyboard; 104 is pilot lamp; 105 is sound light alarming circuit.Wireless transceiver (102), keyboard (103), pilot lamp (104) and sound light alarming circuit (105) are connected with microprocessor (101) respectively.
Workflow to system in Fig. 2 is described as follows:
Step 201: power on, output power of I/O mouth, register, timing T1, T2 and the wireless transceiver of processor etc. is carried out to the initialization setting.
Step 202: respond the safe distance regulating key in the mode of interrupting, according to the safe distance arranged, revise the corresponding output power of wireless transceiver.
Step 203: the wireless radio frequency modules of wireless transceiver to reduce system power dissipation, judges whether the safe distance regulating key is pressed in idle pulley, if not, enters step 203 and continues to wait for; If so, enter step 204.
Step 204: wireless transceiver is set to emission mode.
Step 205: send connection request data (identifier of transmit leg), transmission enters receiving mode after finishing, and waits for and receives response data.
Step 206: judge whether to receive response data (identifier of transmit leg adds 1), if not, enter step 207; If so, enter step 208.
Step 207: judgement is whether preset time T 1 is overtime, if not, enters step 204; If so, enter step 214.Setting-up time T1 constantly carries out the transmission of connection request data in order to prevent from can't connecting between warning device, reaches energy-conservation purpose, and T1 is made as 1 second.
Step 208: between warning device, connect, green indicating lamp is bright.
Step 209: wireless transceiver is set to emission mode.
Step 210: time delay.
Step 211: send detection data, transmission enters receiving mode after finishing, and waits for and receives echo back data (identical with the content of detection data).
Step 212: judge whether to receive echo back data, if not, enter step 213; If so, enter step 209.
Step 213: judgement is whether preset time T 2 is overtime, if not, enters step 209; If so, enter step 214.Setting-up time T2 be for prevent in safe distance wireless signal be interfered and cause can't proper communication, avoid being mistaken for by the method that repeatedly sends detection data and exceed safe distance, T2 is made as 1 millisecond.
Step 214: enable the state of button according to sound and light alarm, if allow, start sound and light alarm, hummer rings and LED flash; If forbid, omit step 214.
Step 215: red led is bright, enters done state.
To sum up, when the distance between warning device is in the safe distance scope, system is carried out wireless circulating between step 209, step 210, step 211 and step 212, and in the system operational process, any time can stop by stopping key operation.
In Fig. 3, U1 is microprocessor STC89C52RC single-chip microcomputer; U2 is wireless radio frequency modules nRF24L01; C1 and C2 are Leaded Ceramic Disc Capacitor; C3 is electrochemical capacitor; Y1 is crystal oscillator; R1, R2, R3, R4 and R5 are resistance; K1(is as reset key), K2(is as the start/stop button) and K3(as the safe distance regulating key) for often opening button; K4(enables button as sound and light alarm) be normally closed button; LS is hummer; D1, D2 and D3 are light emitting diode.
Leaded Ceramic Disc Capacitor C1, C2 and crystal oscillator Y1 form the outside oscillatory circuit of microprocessor STC89C52RC single-chip microcomputer, button K1, electrochemical capacitor C3 and resistance R 1 form the reset circuit of microprocessor STC89C52RC single-chip microcomputer, and resistance R 2, R3, NPN triode N1, hummer LS and light emitting diode D1 form sound light alarming circuit.
The pin 1,2,3,4,5 and 6 of microprocessor U1 is connected respectively the pin 3,4,5,6,7 and 8 of wireless radio frequency modules U2; Pin 18 and 19 is connected respectively two pins of crystal oscillator Y1; Pin 9 connects the end of button K1; Pin 21,22 and 23 is connected respectively the end of button K2, the end of K3 and the end of K4; The end of pin 24 contact resistance R3; Pin 38 and 39 is connected respectively the positive pole of light emitting diode D2 and the positive pole of D3; The end of pin 25 contact resistance R2; Pin 20 ground connection, pin 40 connects 5 volts of power supplys;
The end of crystal oscillator Y1 connects the end of Leaded Ceramic Disc Capacitor C1, and the other end connects the end of Leaded Ceramic Disc Capacitor C2;
The other end of the other end of Leaded Ceramic Disc Capacitor C1 and Leaded Ceramic Disc Capacitor C2 is ground connection respectively;
The other end of button K1 connects 5 volts of power supplys;
The positive pole of electrochemical capacitor C3 connects 5 volts of power supplys;
One end of resistance R 1 connects the negative pole of electrochemical capacitor C3, other end ground connection;
The other end of resistance R 2 connects the base stage of NPN triode N1;
The emitter of NPN triode N1 connects the end of hummer LS, and collector connects 5 volts of power supplys;
The other end ground connection of hummer LS;
The other end of the other end of button K2, the other end of K3 and K4 is ground connection respectively;
The negative pole of the other end connecting luminous diode D1 of resistance R 3;
The positive pole of light emitting diode D1 connects 5 volts of power supplys, and the negative pole of D2 connects the end of R4, and the negative pole of D3 connects the end of R5;
The other end of the other end of resistance R 4 and resistance R 5 is ground connection respectively;
3.3 volt and 5 volts of power supplys are provided by the external dc power circuit.
Claims (6)
1. the warning device based on safe distance identification, it is characterized in that: device is comprised of microprocessor, wireless transceiver, keyboard, pilot lamp and sound light alarming circuit, wherein, wireless transceiver, keyboard, pilot lamp and sound light alarming circuit are connected with microprocessor respectively, between warning device, by wireless transceiver, communicate.
2. a kind of warning device based on safe distance identification according to claim 1, it is characterized in that microprocessor adopts single-chip microcomputer STC89C52RC, wireless transceiver adopts and works in 2.4GHz～2.5GHz, belongs to the wireless radio frequency modules nRF24L01 of ISM band.
3. a kind of warning device based on safe distance identification according to claim 1, is characterized in that pilot lamp is comprised of red LED and green LED.
4. a kind of warning device based on safe distance identification according to claim 1, is characterized in that keyboard is comprised of three function buttons, is respectively start/stop button, safe distance regulating key and sound and light alarm and enables button.
5. a kind of warning device based on safe distance identification according to claim 1, is characterized in that sound light alarming circuit is comprised of hummer and light emitting diode.
6. a kind of warning device based on safe distance identification according to claim 1, is characterized in that wireless transceiver works in the infinite loop state of " send-receive ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203890754U CN203338539U (en) | 2013-07-02 | 2013-07-02 | Alarm device based on safe distance detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203890754U CN203338539U (en) | 2013-07-02 | 2013-07-02 | Alarm device based on safe distance detection |
Publications (1)
| Publication Number | Publication Date |
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| CN203338539U true CN203338539U (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013203890754U Expired - Fee Related CN203338539U (en) | 2013-07-02 | 2013-07-02 | Alarm device based on safe distance detection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310598A (en) * | 2013-07-02 | 2013-09-18 | 福建师范大学 | Alarm device based on safe distance recognition |
| CN103927500A (en) * | 2014-04-17 | 2014-07-16 | 何川丰 | Goods monitoring method and system |
| CN107657786A (en) * | 2017-09-27 | 2018-02-02 | 合肥职业技术学院 | A kind of rural old man based on 315M wireless module RF technologies and child's anti-loss device |
-
2013
- 2013-07-02 CN CN2013203890754U patent/CN203338539U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103310598A (en) * | 2013-07-02 | 2013-09-18 | 福建师范大学 | Alarm device based on safe distance recognition |
| CN103927500A (en) * | 2014-04-17 | 2014-07-16 | 何川丰 | Goods monitoring method and system |
| CN107657786A (en) * | 2017-09-27 | 2018-02-02 | 合肥职业技术学院 | A kind of rural old man based on 315M wireless module RF technologies and child's anti-loss device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 2901 Patent on July 18, 2023 Number: 29-01 Volume: 39 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 |