CN107590939A - Danger zone warning device based on induced electricity pole piece - Google Patents
Danger zone warning device based on induced electricity pole piece Download PDFInfo
- Publication number
- CN107590939A CN107590939A CN201711049080.XA CN201711049080A CN107590939A CN 107590939 A CN107590939 A CN 107590939A CN 201711049080 A CN201711049080 A CN 201711049080A CN 107590939 A CN107590939 A CN 107590939A
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- CN
- China
- Prior art keywords
- danger zone
- chip
- pole piece
- induced electricity
- warning device
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- 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.)
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Abstract
The invention discloses a kind of danger zone warning device of induced electricity pole piece, including base chip U1 when 555, speech chip U2, loudspeaker BL1, battery G1, the positive pole difference loudspeaker BL1 of battery G1 one end, resistance R1 one end, resistance R2 one end, base chip U1 the 4th and the 8th pin is connected when 555, the other end of the resistance R1 is connected with technotron Q1 drain electrode, the base stage of the technotron Q1 is connected with induced electricity pole piece A, the source electrode of the technotron Q1 second pin with base chip U1 when 555 respectively, slide rheostat RP1 one end is connected, the other end of the slide rheostat RP1 is connected to the ground.The present invention can send alarm within danger zone of the user close to 0.5m, and circuit is simple, easily realize, have a good application prospect.
Description
Technical field
The present invention relates to heating system technical field, and in particular to a kind of danger zone alarm dress based on induced electricity pole piece
Put.
Background technology
Danger zone alarm, it is necessary to be alarmed when referring to people close to danger zone, so as to remind people not by
Closely.At present, danger zone warning device on the market, circuit is complicated, and cost of manufacture is high, moreover, power consumption is higher, inadequate energy-saving ring
Protect.
The content of the invention
The problem of purpose of the present invention is to overcome existing danger zone warning device, and circuit is complicated, and cost of manufacture is high.This
The danger zone warning device based on induced electricity pole piece of invention, base chip, speech chip when being provided with 555 can be in users
Within 0.5m danger zone, alarm is sent, circuit is simple, easily realizes, has a good application prospect.
In order to achieve the above object, the technical solution adopted in the present invention is：
A kind of danger zone warning device of induced electricity pole piece, including base chip U1 when 555, speech chip U2, loudspeaker BL1,
Battery G1,
Base core when the positive pole of the battery G1 distinguishes loudspeaker BL1 one end, resistance R1 one end, resistance R2 one end, 555
Piece U1 the 4th and the 8th pin is connected, and the other end of the resistance R1 is connected with technotron Q1 drain electrode, institute
The base stage for stating technotron Q1 is connected with induced electricity pole piece A, the source electrode of the technotron Q1 respectively with 555 when
Base chip U1 second pin, slide rheostat RP1 one end are connected, the other end and the ground phase of the slide rheostat RP1
Connection, base chip U1 the first pin is connected to the ground when described 555, and base chip U1 the 5th pin passes through electricity when described 555
Hold C1 to be connected to the ground, base chip U1 the 3rd pin passes through slide rheostat RP2 and speech chip U2 driving when described 555
Triggering end is connected, and the positive power terminal of the speech chip U2 is connected with the resistance R2 other end, the speech chip U2
Negative power source terminal be connected to the ground, the output end of the speech chip U2 is connected with transistor Q2 base stage, the crystal
Pipe Q2 colelctor electrode is connected with the loudspeaker BL1 other end, and the emitter stage of the transistor Q2 is connected to the ground, the electric power storage
Pond G1 negative pole is connected to the ground.
The foregoing danger zone warning device based on induced electricity pole piece, the positive pole of the battery G1 are in series with switch
S1。
The foregoing danger zone warning device based on induced electricity pole piece, the voltage of the battery G1 are 9V, the storage
Battery G1 positive pole is connected with electric capacity C2 positive pole, and the negative pole of the electric capacity C2 is connected to the ground.
The foregoing danger zone warning device based on induced electricity pole piece, the speech chip U2 are language integrated chip.
The foregoing danger zone warning device based on induced electricity pole piece, the power of the loudspeaker BL is 8W.
The foregoing danger zone warning device based on induced electricity pole piece, the distance of reaction of the induced electricity pole piece A are
0.5m。
The foregoing danger zone warning device based on induced electricity pole piece, the model NPN type crystal of the transistor Q2
Pipe.
The beneficial effects of the invention are as follows：The danger zone warning device based on induced electricity pole piece of the present invention, is provided with 555
When base chip, speech chip, alarm can be sent within danger zone of the user close to 0.5m, circuit is simple, easily real
It is existing, have a good application prospect.
Brief description of the drawings
Fig. 1 is the circuit diagram of the danger zone warning device based on induced electricity pole piece of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in figure 1, the danger zone warning device based on induced electricity pole piece of the present invention, including base chip U1 when 555,
Speech chip U2, loudspeaker BL1, battery G1,
Base core when the positive pole of the battery G1 distinguishes loudspeaker BL1 one end, resistance R1 one end, resistance R2 one end, 555
Piece U1 the 4th and the 8th pin is connected, and the other end of the resistance R1 is connected with technotron Q1 drain electrode, institute
The base stage for stating technotron Q1 is connected with induced electricity pole piece A, the source electrode of the technotron Q1 respectively with 555 when
Base chip U1 second pin, slide rheostat RP1 one end are connected, the other end and the ground phase of the slide rheostat RP1
Connection, base chip U1 the first pin is connected to the ground when described 555, and base chip U1 the 5th pin passes through electricity when described 555
Hold C1 to be connected to the ground, base chip U1 the 3rd pin passes through slide rheostat RP2 and speech chip U2 driving when described 555
Triggering end is connected, and the positive power terminal of the speech chip U2 is connected with the resistance R2 other end, the speech chip U2
Negative power source terminal be connected to the ground, the output end of the speech chip U2 is connected with transistor Q2 base stage, the crystal
Pipe Q2 colelctor electrode is connected with the loudspeaker BL1 other end, and the emitter stage of the transistor Q2 is connected to the ground, the electric power storage
Pond G1 negative pole is connected to the ground.
Preferably, the positive pole of the battery G1 is in series with switch S1, and the voltage of the battery G1 is 9V, the electric power storage
Pond G1 positive pole is connected with electric capacity C2 positive pole, and the negative pole of the electric capacity C2 is connected to the ground, using the teaching of the invention it is possible to provide stable work
Voltage.
Preferably, the speech chip U2 is language integrated chip, can submit burning " danger zone, Keep off "
Language prompting sound.
Preferably, the power of the loudspeaker BL is 8W, low in energy consumption, energy-conserving and environment-protective.
Preferably, the distance of reaction of the induced electricity pole piece A is 0.5m.
Preferably, the model NPN transistor of the transistor Q2.
The danger zone warning device based on induced electricity pole piece of the present invention, operation principle are as follows：When the close sensing of someone
During electrode slice A, the induced signal of human body can increase the resistance value between technotron Q1 drain electrode, source electrode, base when 555
Chip U1 second pin current potential is low level, base chip U1 interior circuit upset when 555, its 555 when base chip U1 the 3rd
Pin is changed into high level from low level, speech chip U2 is triggered and is worked, and the speech signal of speech chip U2 outputs is through crystalline substance
After body pipe Q2 amplifications, the language prompting sound of " danger zone, Keep off " is sent by loudspeaker BL.
In summary, the danger zone warning device of the invention based on induced electricity pole piece, base chip when being provided with 555,
Speech chip, alarm can be sent within danger zone of the user close to 0.5m, circuit is simple, easily realizes, has good
Good application prospect.
General principle, the main features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the original for simply illustrating the present invention described in above-described embodiment and specification
Reason, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. the danger zone warning device based on induced electricity pole piece, it is characterised in that：Including base chip U1, speech chip when 555
U2, loudspeaker BL1, battery G1,
Base core when the positive pole of the battery G1 distinguishes loudspeaker BL1 one end, resistance R1 one end, resistance R2 one end, 555
Piece U1 the 4th and the 8th pin is connected, and the other end of the resistance R1 is connected with technotron Q1 drain electrode, institute
The base stage for stating technotron Q1 is connected with induced electricity pole piece A, the source electrode of the technotron Q1 respectively with 555 when
Base chip U1 second pin, slide rheostat RP1 one end are connected, the other end and the ground phase of the slide rheostat RP1
Connection, base chip U1 the first pin is connected to the ground when described 555, and base chip U1 the 5th pin passes through electricity when described 555
Hold C1 to be connected to the ground, base chip U1 the 3rd pin passes through slide rheostat RP2 and speech chip U2 driving when described 555
Triggering end is connected, and the positive power terminal of the speech chip U2 is connected with the resistance R2 other end, the speech chip U2
Negative power source terminal be connected to the ground, the output end of the speech chip U2 is connected with transistor Q2 base stage, the crystal
Pipe Q2 colelctor electrode is connected with the loudspeaker BL1 other end, and the emitter stage of the transistor Q2 is connected to the ground, the electric power storage
Pond G1 negative pole is connected to the ground.
2. the danger zone warning device according to claim 1 based on induced electricity pole piece, it is characterised in that：The electric power storage
Pond G1 positive pole is in series with switch S1.
3. the danger zone warning device according to claim 1 based on induced electricity pole piece, it is characterised in that：The electric power storage
Pond G1 voltage is 9V, and the positive pole of the battery G1 is connected with electric capacity C2 positive pole, negative pole and the ground phase of the electric capacity C2
Connection.
4. the danger zone warning device according to claim 1 based on induced electricity pole piece, it is characterised in that：The voice
Chip U2 is language integrated chip.
5. the danger zone warning device according to claim 1 based on induced electricity pole piece, it is characterised in that：It is described to raise one's voice
Device BL power is 8W.
6. the danger zone warning device according to claim 1 based on induced electricity pole piece, it is characterised in that：The sensing
Electrode slice A distance of reaction is 0.5m.
7. the danger zone warning device according to claim 1 based on induced electricity pole piece, it is characterised in that：The crystal
Pipe Q2 model NPN transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049080.XA CN107590939A (en) | 2017-10-31 | 2017-10-31 | Danger zone warning device based on induced electricity pole piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711049080.XA CN107590939A (en) | 2017-10-31 | 2017-10-31 | Danger zone warning device based on induced electricity pole piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107590939A true CN107590939A (en) | 2018-01-16 |
Family
ID=61043944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711049080.XA Withdrawn CN107590939A (en) | 2017-10-31 | 2017-10-31 | Danger zone warning device based on induced electricity pole piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107590939A (en) |
-
2017
- 2017-10-31 CN CN201711049080.XA patent/CN107590939A/en not_active Withdrawn
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180116 |