CN201981900U - Steel cable lock with electronic-warning function - Google Patents
Steel cable lock with electronic-warning function Download PDFInfo
- Publication number
- CN201981900U CN201981900U CN2011200571141U CN201120057114U CN201981900U CN 201981900 U CN201981900 U CN 201981900U CN 2011200571141 U CN2011200571141 U CN 2011200571141U CN 201120057114 U CN201120057114 U CN 201120057114U CN 201981900 U CN201981900 U CN 201981900U
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- Prior art keywords
- conductive junction
- steel cable
- junction points
- chip microcomputer
- warning
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Abstract
The utility model relates to a steel cable lock with the electronic-warning function, which comprises a lock head body, a steel cable body and a warning circuit, wherein the warning circuit comprises a power supply unit, a central processing unit and a warning unit, two conductive junction points are arranged in the central processing unit, the central processing unit can judge whether the two conductive junction points are electrically connected or not, and controls the warning unit according to whether the two conductive junction points are electrically connected or not, and the two ends of the steel cable body are respectively and electrically connected with the two conductive junction points under the lock-up state. The electronic-warning steel cable lock realizes the warning in a way that the central proceeding unit monitors whether the two conductive junction points are electrically connected or not, that is, the central proceeding unit monitors the integrality of the steel cable body, when the steel cable body is cut off, the two conductive conjunction points are disconnected with each other, and then the central processing unit controls the warning unit to send out audible and visual warn signals to warn the host.
Description
Technical field
The utility model relates to a kind of steel cable lock, particularly has the electronic warning steel cable lock of warning function.
Background technology
Steel cable lock be a kind of easy to carry, cheap, use lockset very widely, need use with the occasion (as case and bag, perambulator, goods, office appliance etc.) of lock through the motorcycle of being everlasting, electric motor car, bicycle, trolley and other.The structure of steel cable lock generally includes a tapered end and a wirerope, and one of wirerope is fixedly connected on the tapered end, the other end cooperate with lockhole on the tapered end constitute sealed.Though steel cable lock is a kind of lockset easy to carry, but regrettably do not have warning function, when the thief carries out picking lock to steel cable lock or with pliers wirerope is cut off stealing even chain band car all can not send alarm signal when moving together and reminds owner, therefore vehicle or article often still can be stolen, and anti-theft effect is undesirable.
Summary of the invention
The purpose of this utility model is to provide in order to overcome the deficiencies in the prior art a kind of and steel cable lock is carried out picking lock or wirerope cut off the electronic warning steel cable lock that can send alarm signal when stealing with pliers as the thief.
For achieving the above object, the utility model discloses a kind of electronic warning steel cable lock, comprise tapered end and wirerope body and warning circuit, described warning circuit comprises power subsystem, CPU and the alarm unit that is subjected to central processing unit controls, described power subsystem provides power supply for alarm unit and CPU, be provided with two conductive junction points in the described CPU, and judge whether being electrically connected between these two conductive junction points, according to whether being electrically connected the control alarm unit between two conductive junction points, the two ends of described wirerope body are electrically connected with described two conductive junction points respectively under the state of locking.
Whether this electronic warning steel cable lock is by to being electrically connected between two conductive junction points monitoring in the CPU, also promptly wirerope body integrality is monitored, when the wirerope body is cut off, disconnect between two conductive junction points, CPU is just controlled alarm unit and is sent sound and light alarm signal prompting owner.This alarming lock can be used for motorcycle, electric motor car, bicycle, trolley and other need also can be locked in it on the vehicle steering as burglar alarm with the occasion (as case and bag, perambulator, goods, office appliance etc.) of lock.After alarming lock in use was provided with when open reporting to the police, if the wirerope of lockset is cut off or lock body shakes, when mobile, alarming lock will send melodious alarm sound and bright blinking light, reaches the warning function that prevents the stolen phenomenon of object.
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Description of drawings
Accompanying drawing 1 is the utility model specific embodiment schematic appearance;
Accompanying drawing 2 is accompanying drawing 1 an A-A sectional view;
Accompanying drawing 3 is the utility model specific embodiment internal construction schematic diagram;
Accompanying drawing 4 is Fig. 3 partial enlarged drawing;
Accompanying drawing 5 the utility model power subsystem specific embodiment circuit theory diagrams;
Accompanying drawing 6 is CPU and alarm unit specific embodiment circuit theory diagrams.
The specific embodiment
As Figure 1-3, the electronic warning steel cable lock comprises tapered end 1, wirerope body 2 and plastic casing 3 and warning circuit 4.Plastic casing 3 is rectangular body substantially, and tapered end 1 and wirerope body 2 are metal material and make.Plastic casing 3 inside are separated into two parts up and down, top is as tapered end cavity volume 11, tapered end 1 is fixed in the tapered end cavity volume 11, one side of housing 3 is provided with key hole, one end of wirerope body 2 penetrates with tapered end 1 from housing 3 relative opposite sides fixedlys connected, and the relevant position, upper surface of housing 3 is provided with the wirerope jack.Plastic casing 3 inner lower are divided formation electronic unit cavity volume 14, and warning circuit 4 is installed in the electronic unit cavity volume 14.Warning circuit 4 of the present utility model comprises power subsystem 41, CPU 42 and is subjected to the alarm unit 43 of CPU 42 controls, described power subsystem 41 provides power supply for alarm unit 43 and CPU 42, is provided with two conductive junction point T in the described CPU 42
+And T-, and judge whether being electrically connected between these two conductive junction points, according to whether being electrically connected control alarm unit 43 described steel between two conductive junction points, the two ends of cable body 2 under the state of locking respectively with described two conductive junction point T
+And T
-Be electrically connected.In this specific embodiment, as shown in Figure 5, power subsystem 41 comprises 9V battery and three terminal regulator U2 and filter capacitor C1 and C2.As shown in Figure 6, CPU 42 is that core and peripheral cell thereof are formed by one chip microcomputer U1, and one chip microcomputer is selected SN8P2501B type single-chip microcomputer for use, and SN8P2501B is 8 8-digit microcontrollers, has high-performance, low in power consumption.Certainly one chip microcomputer U1 can also select the one chip microcomputer of 51 series or PIC series for use.Described alarm unit 43 comprises by amplifying triode Q2 and the audible alarm circuit be made up of the piezoelectric buzzer HTD 2 that amplifying triode Q2 drives, piezoelectric buzzer HTD 2 is connected between positive source and the amplifying triode Q2 colelctor electrode, the output P1.0 of described one chip microcomputer U1 promptly is connected through the base stage of resistance R 6 with amplifying triode Q2 with the control input end of audible alarm circuit, and the data input P1.3 of described one chip microcomputer U1 constitutes conductive junction point T
+, conductive junction point T
+Be connected with pull-up resistor R3 with positive source, and power cathode constitutes another conductive junction point T in described two conductive junction points
-, described one chip microcomputer U1 inside is provided with described data input pin current potential judging unit, and judging unit can conveniently reach by program.Like this, when the electronic warning steel cable lock is in the state of locking, and wirerope body 2 is excellent, and then the data input pin P1.3 of one chip microcomputer U1 is a low level, belongs to normal condition; Be in the state of locking when the electronic warning steel cable lock, and wirerope body 2 is cut off, then the data input pin P1.3 of one chip microcomputer U1 is a high level, judge the situation that wirerope body 2 is cut off by internal processes, send chimes of doom from output P1.0 output control signal control audible alarm circuit again.In this specific embodiment, an end of described wirerope body 2 is fixedlyed connected with metal tapered end 1, and tapered end 1 is by a conductive junction point T in short circuit lead and described two conductive junction points
+Be electrically connected, in order, to avoid reporting by mistake, in this specific embodiment, another conductive junction point T in described two conductive junction points just to guarantee only locking after the electronic warning steel cable lock to be entered on the alert
-Be in the electric power loop, and constitute by the elastic conduction contact 5 of two separation, elastic conduction contact 5 is connected with circuit by lead, elastic conduction contact 5 is made of the helical spring that a conducting strip and an end are fixed on the conducting strip, as Fig. 3, shown in 4, the elastic conduction contact 5 of described two separation is set up in parallel in the corresponding position of electronic unit cavity volume 14 tops and wirerope jack 13, helical spring is relative with wirerope jack 13, to guarantee under the state of locking, the end face of the other end (be snap close end 21) relative with tapered end 1 a fixedly connected end of described wirerope body 2 is pressed on simultaneously to make on the helical spring of described two separation all to form mutually between them and is electrically connected and connects power supply, under the state of locking, contact simultaneously and cause 2 liang of terminal shortcircuits of wirerope body and cause to realize the alert function of anti-newspaper cutting, covering last layer insulating layer on the surface of snap close end and tapered end 1 jack contact portion with tapered end 1 for fear of the snap close end of wirerope body 2.
In order to improve theftproof, also be provided with the vibration monitoring unit in the warning circuit 4, the vibration monitoring unit comprises amplifying triode Q1, upper offset resistance R 2, below-center offset resistance R 1 and vibration induction element, the colelctor electrode of amplifying triode Q1 is connected with another data input pin P0.0 of one chip microcomputer U1, described vibration induction element is connected with the input of amplifying triode, the vibration induction element is selected piezo buzzer HTD1 for use, and piezo buzzer HTD1 is connected between the base stage and emitter stage of amplifying triode Q1.The piezo buzzer of ordinary construction can only be monitored vibration signal, is moved for the vehicle that prevents to lock and steals, and the piezo buzzer that adopts in this specific embodiment also is provided with a shell, is provided with ball in the shell.When moving vehicle, the ball in the piezo buzzer shell is rolled like this, after CPU 42 was sensed rolling by piezo buzzer, control warning circuit 4 sent alarm signal.
The setting of two conductive junction points in above-mentioned specific embodiment like that, can also be at conductive junction point T
+And be connected with pull down resistor RX between the power cathode, positive source is constituted another conductive junction point T in described two conductive junction points
-Like this, when the electronic warning steel cable lock is in the state of locking, and wirerope body 2 is excellent, and then the data input pin P1.3 of one chip microcomputer U1 is a high level, belongs to normal condition; Be in the state of locking when the electronic warning steel cable lock, and wirerope body 2 is cut off, then the data input pin P1.3 of one chip microcomputer U1 is a low level, judge the situation that wirerope body 2 is cut off by internal processes, send chimes of doom from output P1.0 output control signal control audible alarm circuit again.
Because the CPU 42 of this electronic warning steel cable lock is that core and peripheral cell thereof are formed by one chip microcomputer U1, therefore can increase function easily by changing internal processes, as in order to improve reliability, reduce rate of false alarm, can realize that single once vibration does not trigger alarm signal by program, have only within a certain period of time that continuous several times has vibration, just send alarm signal.Be set as follows in this specific embodiment: touch for the first time, " tick, tick; tick " reports to the police three (one-level warning), detects vibratory response 1 second of pausing again, and next internal vibration in 5 seconds (vibration for the second time) triggers secondary and reports to the police, be alarm buzzer can be triggered (about 20 seconds of alarm song), LED glimmers simultaneously, after sound finishes, also pauses for 2 seconds, again next in 5 seconds if once more vibrations words, still secondary is reported to the police, if vibration later in 5 seconds, the initial one-level that just circulates is reported to the police.
Claims (7)
1. electronic warning steel cable lock, comprise tapered end and wirerope body, it is characterized in that: described electronic warning steel cable lock also is provided with warning circuit, described warning circuit comprises power subsystem, CPU and the alarm unit that is subjected to central processing unit controls, described power subsystem provides power supply for alarm unit and CPU, be provided with two conductive junction points in the described CPU, and judge whether being electrically connected between these two conductive junction points, according to whether being electrically connected the control alarm unit between two conductive junction points, the two ends of described wirerope body are electrically connected with described two conductive junction points respectively under the state of locking.
2. electronic warning steel cable lock according to claim 1, it is characterized in that: described CPU is that core and peripheral cell thereof are formed by one chip microcomputer, described alarm unit comprises by amplifying triode and the audible alarm circuit be made up of the piezoelectric buzzer that amplifying triode drives, an output of described one chip microcomputer is connected with the control input end of audible alarm circuit, a data input of described one chip microcomputer constitutes in described two conductive junction points one and be connected with pull-up resistor with positive source, described power cathode constitutes another in described two conductive junction points, described one chip microcomputer inside is provided with described data input pin current potential judging unit, judges between described two conductive junction points whether be electrically connected according to described data input pin current potential.
3. electronic warning steel cable lock according to claim 1, it is characterized in that: described CPU is that core and peripheral cell thereof are formed by one chip microcomputer, described alarm unit comprises by amplifying triode and the audible alarm circuit be made up of the piezoelectric buzzer that amplifying triode drives, an output of described one chip microcomputer is connected with the control input end of audible alarm circuit, a data input of described one chip microcomputer constitutes in described two conductive junction points one and be connected with pull down resistor with power cathode, described positive source constitutes another in described two conductive junction points, described one chip microcomputer inside is provided with described data input pin current potential judging unit, judges between described two conductive junction points whether be electrically connected according to described data input pin current potential.
4. according to claim 2 or 3 described electronic warning steel cable locks, it is characterized in that: also be provided with the vibration monitoring unit in the described warning circuit, described vibration monitoring unit comprises amplifying triode, upper offset resistance, below-center offset resistance and vibration induction element, the colelctor electrode of described amplifying triode is connected with another data input pin of one chip microcomputer, and described vibration induction element is connected with the input of amplifying triode.
5. electronic warning steel cable lock according to claim 4 is characterized in that: described vibration induction element is selected piezo buzzer for use, and piezo buzzer is connected between the base stage and emitter stage of described amplifying triode.
6. electronic warning steel cable lock according to claim 5 is characterized in that: described piezo buzzer is provided with a shell, also is provided with ball in the shell.
7. electronic warning steel cable lock according to claim 1, it is characterized in that: an end of described wirerope body is fixedlyed connected with the metal tapered end, tapered end is electrically connected with a conductive junction point in described two conductive junction points, another conductive junction point in described two conductive junction points is in the electric power loop, and constitute by the elastic conduction contact of two separation, the elastic conduction contact of described two separation is arranged on the position corresponding with the wirerope jack, under the state of locking, the other end relative with the fixedly connected end of tapered end of described wirerope body is pressed on to make on described two elastic conduction contacts of separating and all forms electrical connection between them mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200571141U CN201981900U (en) | 2011-03-07 | 2011-03-07 | Steel cable lock with electronic-warning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200571141U CN201981900U (en) | 2011-03-07 | 2011-03-07 | Steel cable lock with electronic-warning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201981900U true CN201981900U (en) | 2011-09-21 |
Family
ID=44609363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200571141U Expired - Fee Related CN201981900U (en) | 2011-03-07 | 2011-03-07 | Steel cable lock with electronic-warning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201981900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476936A (en) * | 2016-11-17 | 2017-03-08 | 广西大学 | A kind of anti-theft lock for bicycle and bicycle |
| CN114973563A (en) * | 2022-08-02 | 2022-08-30 | 广州市科锐达光电技术股份有限公司 | Detection device is cut with theftproof rope to unmanned aerial vehicle show |
-
2011
- 2011-03-07 CN CN2011200571141U patent/CN201981900U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106476936A (en) * | 2016-11-17 | 2017-03-08 | 广西大学 | A kind of anti-theft lock for bicycle and bicycle |
| CN106476936B (en) * | 2016-11-17 | 2019-11-29 | 童俐俐 | A kind of anti-theft lock for bicycle and bicycle |
| CN114973563A (en) * | 2022-08-02 | 2022-08-30 | 广州市科锐达光电技术股份有限公司 | Detection device is cut with theftproof rope to unmanned aerial vehicle show |
| CN114973563B (en) * | 2022-08-02 | 2022-10-28 | 广州市科锐达光电技术股份有限公司 | Detection device is cut with theftproof rope to unmanned aerial vehicle show |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ZHONGLI GROUP CO., LTD. Free format text: FORMER OWNER: ZHAN XIANGUANG Effective date: 20131101 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131101 Address after: 325000 No. 40, Xifeng West Road, Wenzhou, Zhejiang, Ouhai Patentee after: ZHEJIANG ZHONGLI GROUP CO., LTD. Address before: 325000 Ouhai Province Economic Development Zone, Wenzhou, Feng Feng West Road, No. 40, No. Patentee before: Zhan Xianguang |
|
| 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: 20110921 Termination date: 20200307 |