CN206470911U - A kind of controllable vibrations warning circuit - Google Patents

A kind of controllable vibrations warning circuit Download PDF

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Publication number
CN206470911U
CN206470911U CN201720179644.0U CN201720179644U CN206470911U CN 206470911 U CN206470911 U CN 206470911U CN 201720179644 U CN201720179644 U CN 201720179644U CN 206470911 U CN206470911 U CN 206470911U
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China
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resistance
flip flop
nmos tube
edge triggered
triggered flip
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CN201720179644.0U
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Chinese (zh)
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田安洋
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Shenzhen Hanyang Science And Technology Co Ltd
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Shenzhen Hanyang Science And Technology Co Ltd
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Abstract

The utility model provides a kind of controllable vibrations warning circuit, the problem of mortality is higher, reliability is poor when solving existing vibrations warning circuit detection and catching vibration signal.The utility model includes viberation detector, signal processing module, warning device, power supply module;Signal processing module includes edge triggered flip flop, three NMOS tubes, some resistance, reset switches etc..The utility model enable vibrations warning circuit independently of processor run, not only reduce the load of processor module, and avoid processor module can not accurately catch viberation detector output signal caused by slip up, improve the reliability of warning circuit;The utility model can carry out switch control by processor or reset switch to signal processing module and warning device, avoid the situation that related personnel neglects warning message due to careless for the moment, easy to operate, practicality is high, suitable for being promoted the use of in the place for having alarm demand.

Description

A kind of controllable vibrations warning circuit
Technical field
The utility model is related to early warning circuit field, particularly a kind of controllable vibrations warning circuit.
Background technology
Existing shock sensor, can export a 5V to 0V or 0V to 5V pulse after signal amplification circuit Signal.But, the time that this pulse signal is present is very of short duration, and often Microsecond grade is other, so that this vibration-sensing Device module can not directly activate warning circuit.General way is that the output of the shock sensor is connected into a MCU is (miniature Control unit), MCU removes the output pin of detection sensor to capture the mutation of signal with very high frequency, so as to carry out Follow-up work.But this mode has higher requirements to MCU processing speed, and the time that pulse signal is present is too short, so that The mortality for catching pulse signal in MCU is higher;Meanwhile, MCU will handle a lot of other tasks, cause to detect vibration-sensing twice There are certain intervals the time of device output, thus more adds the difficulty for the pulse signal for being accurately captured sensor.
Utility model content
In view of the above-mentioned problems of the prior art, the utility model provides a kind of controllable vibrations warning circuit.
A kind of controllable vibrations warning circuit, including viberation detector, signal processing module, warning device, power supply module;
The power end Vcc and earth terminal GND of described viberation detector are connected with power supply module and ground respectively.
Described signal processing module includes edge triggered flip flop, the first NMOS tube, the second NMOS tube, the 3rd NMOS tube, electricity Resistance;Described resistance includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5.
The input end of clock CLK and viberation detector of described edge triggered flip flop signal output part Pout connections;Institute The signal input part D for the edge triggered flip flop stated is connected with its power end Vcc;The power end Vcc of described edge triggered flip flop is with supplying Electric module connection;The earth terminal GND ground connection of described edge triggered flip flop;The signal output part Q and electricity of described edge triggered flip flop Resistance R4 one end is connected with the grid G 2 of the second NMOS tube;The source S 2 of the second described NMOS tube connects with one end of warning device Connect;The set end S of described edge triggered flip flop and the other end of warning device are connected;The drain D 2 of the second described NMOS tube and Resistance R4 other end ground connection.
Preferably, described controllable vibrations warning circuit also includes processor module;Described signal processing module is also Including the first NMOS tube (4), the 3rd NMOS tube (6);Described resistance also includes resistance R1, resistance R2, resistance R5;Described side The signal output part Pout of input end of clock CLK and viberation detector along trigger are connected with resistance R1 one end;It is described The resistance R1 other end be connected with the source S 1 of the first NMOS tube;Described resistance R2 one end and the grid of the first NMOS tube G1 and processor module the first output end MCU1 connections;The drain D 1 of the first described NMOS tube and resistance R2 another termination Ground;The replacement end R of described edge triggered flip flop is connected with resistance R3 one end;The grid G 3 of the 3rd described NMOS tube and processing Second output end MCU2 connections of device module;The source S 3 of the 3rd described NMOS tube is connected with the resistance R3 other end;It is described Resistance R3 be connected with power supply module;The drain D 3 of the 3rd described NMOS tube is grounded;The second of described processor module is defeated Go out to hold MCU2 and resistance R5 one end to be connected;Described resistance R5 other end ground connection.
Preferably, described controllable vibrations warning circuit also includes reset switch;Described resistance also includes resistance R3; The replacement end R of described edge triggered flip flop and one end of reset switch are connected;The other end ground connection of described reset switch.
Preferably, described power supply module includes external power supply, board mounted power;The described resistance R3 other end and side The positive pole of power end Vcc and board mounted power along trigger are connected;The negative pole of described board mounted power and one end of external power supply Connection;The other end ground connection of described external power supply.
Preferably, described edge triggered flip flop is d type flip flop.
Preferably, described warning device is buzzer siren.
Preferably, described viberation detector is shock sensor.
Preferably, described resistance R2, resistance R4 and resistance R5 resistance are respectively greater than or equal to 250 ohm, thus Current limliting can be carried out to circuit prevents electric current is excessive from damaging other components.
Preferably, described processor module is using the serial microcontrol processors of STM32.
Compared with prior art, the utility model enables vibrations warning circuit to be run independently of processor module, no But the signal of viberation detector output can not accurately be caught by reducing the load of processor module, and avoiding processor module Caused by slip up, improve the reliability of warning circuit.
The utility model uses the pattern of dual power supply, and solving warning circuit will not can not be normal due to electricity shortage The problem of work.
Processor module is connected by the utility model with signal processing module and warning device, it is possible thereby in necessary feelings Switch control is carried out to signal processing module and warning device by processor module under scape;Synchronous signal processing module can lead to Reset switch is crossed to be closed;When warning device is in alarm condition, report can be closed by only carrying out two kinds of above-mentioned operations Alarm device, thus avoid the situation that related personnel neglects warning message due to careless for the moment.
The utility model is easy to operate, and practicality is high, suitable for being promoted the use of in the place for having alarm demand.
Brief description of the drawings
Fig. 1 is circuit diagram of the present utility model.
Wherein, 1- viberation detectors, 2- warning devices, 3- edge triggered flip flops, the NMOS tubes of 4- first, the NMOS of 5- the 2nd Pipe, the NMOS tubes of 6- the 3rd, 7- reset switches, the second of the first output end MCU1,9- processor module of 8- processor modules is defeated Go out and hold MCU2,10- board mounted powers, 11- external power supplys.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples, and embodiment of the present utility model includes But it is not limited to the following example.
Embodiment
As shown in figure 1, a kind of controllable vibrations warning circuit, including viberation detector 1, signal processing module, alarm dress Put 2, power supply module, processor module;Signal processing module include edge triggered flip flop 3, the first NMOS tube 4, the second NMOS tube 5, 3rd NMOS tube 6, resistance;Resistance includes resistance R1, resistance R2, resistance R3, resistance R4, resistance R5.In the present embodiment, edge is touched Hair device 3 is d type flip flop, and warning device 2 is buzzer siren, and viberation detector 1 is shock sensor, and processor module is height Performance, low cost, the serial microcontrol processors of STM32 of low-power consumption.
The working method of edge triggered flip flop 3 is:When input end of clock CLK input signal sports 5V by OV, edge The signal output part Q of trigger 3 is consistent with signal input part D voltages.
The power end Vcc and earth terminal GND of viberation detector 1 are connected with power supply module and ground respectively.
The input end of clock CLK of edge triggered flip flop 3 is connected with the signal output part Pout of viberation detector 1;Touch at edge The signal input part D of hair device 3 is connected with its power end Vcc;The power end Vcc of edge triggered flip flop 3 is connected with power supply module;Edge The earth terminal GND ground connection of trigger 3;The signal output part Q and resistance R4 of edge triggered flip flop 3 one end and the second NMOS tube 5 Grid G 2 is connected;The source S 2 of second NMOS tube 5 is connected with one end of warning device 2;The set end S of edge triggered flip flop 3 and report The other end connection of alarm device 2;The drain D 2 of second NMOS tube 5 and resistance R4 other end ground connection.
The one of the input end of clock CLK of the edge triggered flip flop 3 and signal output part Pout of viberation detector 1 and resistance R1 End connection;The resistance R1 other end is connected with the source S 1 of the first NMOS tube 4;Resistance R2 one end and the grid of the first NMOS tube 4 Pole G1 and processor module the first output end MCU18 connections;The drain D 1 of first NMOS tube 4 and resistance R2 another termination Ground;The replacement end R of edge triggered flip flop 3 is connected with resistance R3 one end;The of the grid G 3 of 3rd NMOS tube 6 and processor module Two output end MCU29 connections;The source S 3 of 3rd NMOS tube 6 is connected with the resistance R3 other end;Resistance R3 connects with power supply module Connect;The drain D 3 of 3rd NMOS tube 6 is grounded;Second output end MCU29 of processor module is connected with resistance R5 one end;Resistance R5 other end ground connection.
In the present embodiment, controllable vibrations warning circuit also includes reset switch 7;Reset switch 7 is four pin Self-resetting contacts Switch;Wherein, a pair of normally opened contacts of reset switch 7 are connected with the replacement end R of edge triggered flip flop 3, and a pair of reset switch 7 are normal Closed contact is grounded.
In the present embodiment, power supply module includes external power supply 11, board mounted power 10;The resistance R3 other end and edging trigger The power end Vcc of device 3 is connected with the positive pole of board mounted power 10;The negative pole of board mounted power 10 is connected with one end of external power supply 11; The other end ground connection of external power supply 11.
In the present embodiment, resistance R2, resistance R4 and resistance R5 resistance are respectively greater than or equal to 250 ohm, it is possible thereby to Current limliting is carried out to circuit prevents electric current is excessive from damaging other components.
After viberation detector 1 detects vibrations, viberation detector 1 exports a pulse signal, edge triggered flip flop 3 Output end Q be set to high level immediately, then signal opens warning device 2 after the second NMOS tube 5, you can realize alarm Function.
When needing to use signal processing module to control the switch of warning device 2, due to the replacement end R of edge triggered flip flop 3 It is connected, is pressed after reset switch 7 with reset switch 7, the output end Q of edge triggered flip flop 3 is reset as low level, thereby turns off report Alarm device 2, you can realize and close the warning device 2 of alarm condition so as to the purpose sounded all clear.
When needing to use processor module to control the switch of warning device 2, due to the input end of clock of edge triggered flip flop 3 CLK and replacement end R pass through the corresponding NMOS tube 5 of first NMOS tube 4 and second and the first output end of processor module respectively MCU18 and the second output end MCU2 connections, when the first output end MCU18 of processor module exports the pulse that an amplitude is 5V During voltage, no matter viberation detector 1 is in any state, and edge triggered flip flop 3 can all be triggered to open warning device 2; When the second output end MCU29 of processor module exports the pulse voltage that an amplitude is 5V, the output end Q of edge triggered flip flop 3 It can be reset to close warning device 2;Thus it can be achieved to close the warning device 2 of alarm condition so that the mesh sounded all clear 's.
Due to can also produce vibrations during normal work in device or equipment, in order to prevent due to device or equipment The vibrations of itself and cause shock sensor produce pulse signal, so as to open warning device 2;, can in order to avoid such case First to close the warning function of circuit, the alarm work(of circuit is reopened again after the vibrations of device or equipment itself disappear Energy.To achieve these goals, the second output end MCU29 of processor module is remained into low level, you can close circuit Warning function;When needing to reopen warning device 2, the second output end MCU29 of processor module is remained into high level, The warning function of circuit can be opened.
Preferred embodiment of the present utility model is the foregoing is only, embodiment is used for structure, the function for understanding utility model And effect, it is not limited to protection domain of the present utility model.The utility model can have various modifications and variations, all at this Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model Protection domain within.

Claims (9)

1. a kind of controllable vibrations warning circuit, it is characterised in that including viberation detector (1), signal processing module, alarm dress Put (2), power supply module;
The power end Vcc and earth terminal GND of described viberation detector (1) are connected with power supply module and ground respectively;
Described signal processing module includes edge triggered flip flop (3), the second NMOS tube (5), resistance;Described resistance includes resistance R4;
The input end of clock CLK of described edge triggered flip flop (3) is connected with the signal output part Pout of viberation detector (1); The signal input part D of described edge triggered flip flop (3) is connected with its power end Vcc;The power end of described edge triggered flip flop (3) Vcc is connected with power supply module;The earth terminal GND ground connection of described edge triggered flip flop (3);The letter of described edge triggered flip flop (3) Number output end Q and resistance R4 one end is connected with the grid G 2 of the second NMOS tube (5);The source electrode of described the second NMOS tube (5) S2 is connected with the one end of warning device (2);The set end S of described edge triggered flip flop (3) connects with the other end of warning device (2) Connect;The drain D 2 of described the second NMOS tube (5) and resistance R4 other end ground connection.
2. controllable vibrations warning circuit according to claim 1, it is characterised in that also including processor module;Described Signal processing module also includes the first NMOS tube (4), the 3rd NMOS tube (6);Described resistance also include resistance R1, resistance R2, Resistance R5;
The input end of clock CLK of described edge triggered flip flop (3) and the signal output part Pout and resistance of viberation detector (1) R1 one end connection;The described resistance R1 other end is connected with the source S 1 of the first NMOS tube (4);The one of described resistance R2 End and the grid G 1 of the first NMOS tube (4) are connected with the first output end MCU1 (8) of processor module;The first described NMOS tube (4) drain D 1 and resistance R2 other end ground connection;
The replacement end R of described edge triggered flip flop (3) is connected with resistance R3 one end;The grid of the 3rd described NMOS tube (6) G3 and processor module the second output end MCU2 (9) connections;The source S 3 and resistance R3's of the 3rd described NMOS tube (6) is another One end is connected;Described resistance R3 is connected with power supply module;The drain D 3 of the 3rd described NMOS tube (6) is grounded;Described place Second output end MCU2 (9) of reason device module is connected with resistance R5 one end;Described resistance R5 other end ground connection.
3. controllable vibrations warning circuit according to claim 2, it is characterised in that also including reset switch (7);Described Resistance also includes resistance R3;The replacement end R of described edge triggered flip flop (3) is connected with one end of reset switch (7);Described answers The other end ground connection of bit switch (7).
4. controllable vibrations warning circuit according to claim 3, it is characterised in that described power supply module includes external electricity Source (11), board mounted power (10);The described resistance R3 other end and the power end Vcc and board mounted power of edge triggered flip flop (3) (10) positive pole connection;The negative pole of described board mounted power (10) is connected with one end of external power supply (11);Described external electricity The other end ground connection in source (11).
5. controllable vibrations warning circuit according to claim 4, it is characterised in that described edge triggered flip flop (3) touches for D Send out device.
6. controllable vibrations warning circuit according to claim 5, it is characterised in that described warning device (2) is buzzing Alarm.
7. controllable vibrations warning circuit according to claim 6, it is characterised in that described viberation detector (1) is Shock sensor.
8. controllable vibrations warning circuit according to claim 7, it is characterised in that described resistance R2, resistance R4 and electricity Resistance R5 resistance is respectively greater than or equal to 250 ohm.
9. controllable vibrations warning circuit according to claim 8, it is characterised in that described processor module is used STM32 series microcontrol processors.
CN201720179644.0U 2017-02-27 2017-02-27 A kind of controllable vibrations warning circuit Active CN206470911U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720179644.0U CN206470911U (en) 2017-02-27 2017-02-27 A kind of controllable vibrations warning circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720179644.0U CN206470911U (en) 2017-02-27 2017-02-27 A kind of controllable vibrations warning circuit

Publications (1)

Publication Number Publication Date
CN206470911U true CN206470911U (en) 2017-09-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720179644.0U Active CN206470911U (en) 2017-02-27 2017-02-27 A kind of controllable vibrations warning circuit

Country Status (1)

Country Link
CN (1) CN206470911U (en)

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