CN206515386U - A kind of sound and light alarm electroscope - Google Patents
A kind of sound and light alarm electroscope Download PDFInfo
- Publication number
- CN206515386U CN206515386U CN201720205981.2U CN201720205981U CN206515386U CN 206515386 U CN206515386 U CN 206515386U CN 201720205981 U CN201720205981 U CN 201720205981U CN 206515386 U CN206515386 U CN 206515386U
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- music
- integrator
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Abstract
The utility model provides a kind of sound and light alarm electroscope, belongs to electroscope technical field.How it is solved in the prior art while realizing the problem of voice and luminous prompting are alarmed.The sound and light alarm electroscope includes test contact, battery and luminous prompting unit, luminous prompting unit connecting test contact, it is characterized in that, also include music integrator, triode and loudspeaker, battery is connected between the external power supply positive pole pin and external power supply negative pin of music integrator, the signal output part connecting triode base stage of music integrator, transistor emitter connects the external power supply negative pin of music integrator, transistor collector connects the external power supply positive pole pin of music integrator by loudspeaker, luminous prompting unit connects the triggering end of music integrator.While having the language alarm and luminous alarm function of electricity during realizing electrical verification.
Description
Technical field
The utility model belongs to electroscope technical field, is related to a kind of sound and light alarm electroscope.
Background technology
Traditional electroscope is all that metal contact, current-limiting resistance, neon bulb and hand touched electrode concatenation are formed, powered when detecting
Alarm signal is sent by neon bulb during body, because the light that neon bulb is sent is weaker, and electrician personnel, in outside work, sunlight is very
By force, or indoors when light is strong, neon bulb luminosity is difficult to recognize in voltage test pencil, easily causes erroneous judgement.Therefore, making a meeting
The electroscope of sounding, sonorous alarm and have emitting red light prompting have electricity to report to circuit, so as to remind staff carefully to touch
The electroscope of electricity is very necessary.
Chinese patent literature publication number is 201420086140.0 acousto-optic dual-purpose portable electroscope, including is insulated
First-hand touched electrode, second-hand's touched electrode, limit are installed in shell, the test contact positioned at insulation crust left end, insulation crust
Leakage resistance and neon bulb, current-limiting resistance are 2, and piezoelectric ceramic piece, diode and electric capacity, piezoelectric ceramic piece are additionally provided with insulation crust
And diodes in parallel, its input is connected with test contact, its output end and electric capacity, the first current-limiting resistance and first-hand touched electrode
It is sequentially connected in series, test contact, neon bulb, the second current-limiting resistance and second-hand's touched electrode are sequentially connected in series；Insulation crust include set casing,
Extend shell and telescoping joint, set casing and extension shell are threadedly coupled by telescoping joint.The patent passes through voltage ceramic piece
Send acoustic warning signal.The alarm signal is simple but not clear enough, it is also possible to frighten first user.
The content of the invention
The problem of the utility model exists for existing technology, it is proposed that a kind of sound and light alarm electroscope, the Solutions of Systems
How determine while realizing the problem of voice and luminous prompting are alarmed.
The utility model is realized by following technical proposal：A kind of sound and light alarm electroscope, the electroscope includes test
Contact, battery and luminous prompting unit, luminous prompting unit connecting test contact, it is characterised in that also including music integrator,
Triode and loudspeaker, battery is connected between the external power supply positive pole pin and external power supply negative pin of music integrator,
The signal output part connecting triode base stage of music integrator, transistor emitter connects the external power supply negative pole of music integrator
Pin, transistor collector connects the external power supply positive pole pin of music integrator, the connection of luminous prompting unit by loudspeaker
The triggering end of music integrator.
When carrying out electrical verification to object by test contact, test contact touches test position, when detection object is powered, should
Electricity driving luminous prompting unit carries out light-emitting caution.Object carried charge triggers music collections by music integrator triggering end simultaneously
Device work makes its signal output part exports audio signal be broadcasted by loudspeaker, so that when realizing that electrical verification reaches certain voltage
Voice alarm function.The application realizes language alarm and luminous alarm function simultaneously.
In above-mentioned sound and light alarm electroscope, the test contact includes electric capacity two and probe, and electric capacity two is connected in series spy
The triggering end of head and music integrator.Electric capacity two plays a part of buffer protection to luminous prompting unit and music integrator.
In above-mentioned sound and light alarm electroscope, the luminous prompting unit includes light emitting diode and resistance two, luminous two
Pole pipe forward direction ground connection, and light emitting diode connects electric capacity two by resistance two.Realized by light emitting diode and resistance two luminous
Warning.
In above-mentioned sound and light alarm electroscope, the triggering end of the music integrator also connects external by microswitch one
Positive source pin.Microswitch one is used for the self-inspection of the language alarm circuit of music integrator formation, is opened by pressing fine motion
Closing one can illustrate that self-detection result circuit is efficient circuit if loudspeaker if sounding.
In above-mentioned sound and light alarm electroscope, connected between the external power supply positive pole pin and battery of the music integrator
It is connected with microswitch two.Here microswitch two is used for the connection that battery and electrical circuit inspection are disconnected when electroscope does not work,
Work is disconnected in not electrical verification can extend the service life of battery.
It is outer between the vibration pin one and vibration pin two of the music integrator in above-mentioned sound and light alarm electroscope
Connecting resistance one.Resistance one is that oscillation resistance is used to realize music integrator outside vibration promotes music integrator signal output part
The audio signal of output is adjusted simultaneously for exports audio signal.
In above-mentioned sound and light alarm electroscope, the microswitch two is arranged at a tail for electroscope shell.Here so that
A tail is readily accessed during electroscope use, it is more convenient to use.
Compared with prior art, this sound and light alarm electroscope has advantages below：
1st, the utility model realizes language alarm and luminous alarm simultaneously by luminous prompting unit and music integrator,
So that electrical verification is more convenient.
2nd, the utility model realizes the function of self-inspection and economize on electricity by microswitch one and microswitch two respectively, more may be used
Lean on, it is more environmentally friendly.
Brief description of the drawings
Fig. 1 is circuit block diagram of the present utility model.
In figure, 1, luminous prompting unit；2nd, test contact；E, battery；L, light emitting diode；R1, resistance one；R2, resistance
Two；C1, electric capacity one；C2, electric capacity two；VT, triode；D, probe；Q, music integrator；B, loudspeaker；QA, microswitch one；
QB, microswitch two.
Embodiment
Further is made to the technical solution of the utility model the following is specific embodiment of the utility model, and with reference to accompanying drawing
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, the sound and light alarm electroscope includes test contact 2, battery E and luminous prompting unit 1, luminous prompting
The connecting test contact 2 of unit 1.Test contact 2 includes the C2 of electric capacity two and probe D, the C2 of electric capacity two are connected in series probe D and music collections
Grow up to be a useful person Q triggering end.The C2 of electric capacity two plays a part of buffer protection to luminous prompting unit 1 and music integrator Q.Luminous prompting
Unit 1 includes light emitting diode L and resistance two R2, light emitting diode L forward direction are passed through by human body grounding, and light emitting diode L
The C2 of two R2 connections electric capacity of resistance two.Light-emitting caution is realized by light emitting diode L and the R2 of resistance two.
Sound and light alarm electroscope also includes music integrator Q, triode VT and loudspeaker B, music integrator Q external electricity
Battery E, music integrator Q signal output part connecting triode are connected between source positive pole pin and external power supply negative pin
VT base stages, triode VT emitter stages connection music integrator Q external power supply negative pin, triode VT colelctor electrodes are by raising one's voice
Device B connection music integrators Q external power supply positive pole pin, the connection music integrator of luminous prompting unit 1 Q triggering end.Sound
Electric capacity one is connected between happy integrator Q vibration pin two and resonance pin.Electric capacity one has effect and the resistance one of resonance
It is common to realize that outside vibration promotes music integrator Q signal output end exports audio signal simultaneously to output to music integrator Q
Audio signal be adjusted.Triode VT plays a part of amplification in this circuit.
Music integrator Q triggering end also passes through the QA connection external power supply positive pole pins of microswitch one.Microswitch one
QA is used for the self-inspection of the language alarm circuit of music integrator Q formation, if can by pressing the QA loudspeakers B of microswitch one
Sounding then illustrates that self-detection result circuit is efficient circuit.It is external between music integrator Q vibration pin one and vibration pin two
Resistance one.Resistance one is that oscillation resistance is used to realize music integrator Q outside vibration promotes music integrator Q signal output end
The audio signal of output is adjusted simultaneously for exports audio signal.Music integrator Q external power supply positive pole pin and battery E
Between be connected in series with the QB of microswitch two.The QB of microswitch two is used to disconnect battery E and electrical verification electricity when electroscope does not work
The connection on road, in not electrical verification, disconnection work can extend battery E service life.The QB of microswitch two is arranged at outside electroscope
A tail for shell.So that readily accessing a tail during electroscope use, it is more convenient to use.
The following is the operation principle of the utility model sound and light alarm electroscope：
Music integrator Q selects KD-482 cake cores in this implementation row, is inputted in chip just like " having electric danger " sound,
It is stored in chip.Whole music integrated circuit is simple, an additional triode VT, resistance one, electric capacity one, 3V or so button
Battery E and loudspeaker B.After the C2 of capacitor two probe D contacts electrical body, music integrated circuit is triggered, sending " has electric danger
Danger " warning；Now, probe and has the other loop of luminous prompting unit 1 at D, by the R2 of resistance two to light emitting diode L, then arrives
Human body or the earth etc. form loop, and light emitting diode L is lighted.Electronic component selects patch form, and loudspeaker B is from compact
HC-12 type micro electromagnetic buzzers, to save space, make electroscope volume light and handy, easy to carry.And this circuit has two fine motions
Switch, the QA of microswitch one is that self-inspection is used, and energy sounding sound, illustrates that circuit is working properly after closing.Another microswitch two QB
Mounted in a tail, usually disconnected, such circuit does not work usually by upper with hand during electrical verification, will not power consumption, extension battery E use
Time.
When carrying out electrical verification to object by test contact 2, test contact 2 touches test position, when detection object is powered,
Electricity driving luminous prompting unit 1 needs to carry out light-emitting caution when exceeding certain voltage.Object carried charge exceedes certain simultaneously
Triggering the work of music storage by music integrator Q triggering ends during electricity makes its signal output part exports audio signal by raising one's voice
Device B is broadcasted, and certain electricity here is 60-90V according to circuit in figure.So as to realize language when electrical verification reaches certain voltage
Sound warning function.The application realizes language alarm and luminous alarm function simultaneously.The music integrator Q that the utility model is used
What is selected is KD-482 family chips, can also be from series such as CW9300, KD-9300, KD-150, HFC1500 or HY-100
Music integrated circuit chip carries out realizing that audio alert is pointed out.Music integrator Q resonance pin is represented with WSP in figure, triggering
End represents that external power supply positive pole pin represents that external power supply negative pin is represented with VSS with VDD with TG, and signal output part is used
OUT represents that vibration pin one is represented with OSC1, and the vibration OSC2 of pin two is represented.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (7)
1. a kind of sound and light alarm electroscope, the electroscope includes test contact (2), battery (E) and luminous prompting unit (1), hair
Light Tip element (1) connecting test contact (2), it is characterised in that also including music integrator (Q), triode (VT) and raise one's voice
Device (B), battery (E), music are connected between the external power supply positive pole pin and external power supply negative pin of music integrator (Q)
Outside signal output part connecting triode (VT) base stage of integrator (Q), triode (VT) emitter stage connection music integrator (Q)
Power cathode pin is connect, the external power supply positive pole that triode (VT) colelctor electrode connects music integrator (Q) by loudspeaker (B) draws
Pin, the triggering end of luminous prompting unit (1) connection music integrator (Q).
2. sound and light alarm electroscope according to claim 1, it is characterised in that the test contact (2) includes electric capacity two
(C2) and probe (D), electric capacity two (C2) is connected in series the triggering end of probe (D) and music integrator (Q).
3. sound and light alarm electroscope according to claim 2, it is characterised in that the luminous prompting unit (1) includes hair
Optical diode (L) and resistance two (R2), light emitting diode (L) forward direction ground connection, and light emitting diode (L) are connected by resistance two (R2)
Connect electric capacity two (C2).
4. the sound and light alarm electroscope according to claim 1 or 2 or 3, it is characterised in that the music integrator (Q)
Triggering end also connects external power supply positive pole pin by microswitch one (QA).
5. the sound and light alarm electroscope according to claim 1 or 2 or 3, it is characterised in that the music integrator (Q)
Microswitch two (QB) is connected in series between external power supply positive pole pin and battery (E).
6. the sound and light alarm electroscope according to claim 1 or 2 or 3, it is characterised in that the music integrator (Q)
Vibrate outer meeting resistance one (R1) between pin one and vibration pin two.
7. sound and light alarm electroscope according to claim 5, it is characterised in that the microswitch two (QB), which is arranged at, tests
A tail for electroprobe shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720205981.2U CN206515386U (en) | 2017-03-03 | 2017-03-03 | A kind of sound and light alarm electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720205981.2U CN206515386U (en) | 2017-03-03 | 2017-03-03 | A kind of sound and light alarm electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206515386U true CN206515386U (en) | 2017-09-22 |
Family
ID=59869527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720205981.2U Expired - Fee Related CN206515386U (en) | 2017-03-03 | 2017-03-03 | A kind of sound and light alarm electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206515386U (en) |
-
2017
- 2017-03-03 CN CN201720205981.2U patent/CN206515386U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20200303 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |