CN203446013U - No-polarity frequency-dependent no-contact horn circuit - Google Patents
No-polarity frequency-dependent no-contact horn circuit Download PDFInfo
- Publication number
- CN203446013U CN203446013U CN201320542222.7U CN201320542222U CN203446013U CN 203446013 U CN203446013 U CN 203446013U CN 201320542222 U CN201320542222 U CN 201320542222U CN 203446013 U CN203446013 U CN 203446013U
- Authority
- CN
- China
- Prior art keywords
- resistor
- circuit
- diode
- voltage
- voltage stabilizing
- Prior art date
- 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.)
- Expired - Fee Related
Links
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a no-polarity frequency-dependent no-contact horn circuit. The horn circuit comprises a voltage stabilizing circuit, a signal input circuit, an amplification circuit, a driving circuit and a rectification circuit. The voltage output end of the voltage stabilizing circuit is respectively connected with the voltage input end of the signal input circuit and the voltage input end of the amplification circuit. The signal output end of the signal output circuit is connected with the signal input end of the amplification circuit. The voltage output end of the amplification circuit is connected with the voltage input end of the driving circuit. The voltage output end of the rectification circuit is connected with the voltage input end of a power supply circuit. The rectification circuit is used for voltage rectification. In this way, a horn is prevented from being dysfunctional due to the need for discriminating a positive pole from a negative pole during a horn wiring process. The horn circuit also achieves frequency dependency, no contacts and electromagnetic compatibility. The horn circuit with a simple structure is convenient to use. Mass production is further facilitated.
Description
Technical field
The utility model relates to a kind of horn circuit, relates in particular to a kind of nonpolarity with frequency armchair with adjustable back circuit.
Background technology
At present, for the circuit of loudspeaker, all divide both positive and negative polarity, sometimes, because both positive and negative polarity wrong causes the phenomenon of loudspeaker cisco unity malfunction many and many, cause like this increase of use cost, cause unnecessary loss; On the other hand, due to existing automobile circuit loudspeaker both positive and negative polarity disunity, part is plug special, be difficult to distinguish positive and negative. causing having a lot of vehicles to load onto loudspeaker can not pipe. and plain edition loudspeaker have contact, life-span is short, easily strikes sparks in contact, dangerous. and this circuit is removed solving these problems of the end.
Utility model content
The purpose of this utility model provides a kind of nonpolarity with frequency armchair with adjustable back circuit with regard to being in order to address the above problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
The utility model comprises rectification circuit, voltage stabilizing circuit, signal input circuit, amplifying circuit and drive circuit, the voltage output end of described rectification circuit is connected with the voltage input end of described voltage stabilizing circuit, the voltage output end of described voltage stabilizing circuit is connected with the voltage input end of described signal input circuit and the voltage input end of described amplifying circuit respectively, the signal output part of described signal output apparatus is connected with the signal input part of described amplifying circuit, and the voltage output end of described amplifying circuit is connected with the voltage input end of described drive circuit.
Further, described signal input circuit comprises microphone receiver, the first resistor, the 3rd resistor, the first capacitor and the second capacitor, the cathode output end of described voltage stabilizing circuit is connected after described the first resistor and is connected with the first end of described the 3rd resistor with the electrode input end of described microphone receiver respectively, the second end of described the 3rd resistor is connected with the first end of described the second capacitor with the first end of described the first capacitor respectively, ground connection after the negative input of described microphone receiver is connected with the second end of described the second capacitor, the signal output part that the second end of described the first capacitor is signal output apparatus.
Further, described amplifying circuit comprises amplifier, the second resistor, the 4th resistor, the 5th resistor, the 6th resistor, the 7th resistor, the 8th resistor and the 5th diode, the positive pole of described the 5th diode respectively with the signal output part of described signal output apparatus, described the 6th first end of resistor and the inverting input of described amplifier are connected, the cathode output end of the described voltage stabilizing circuit normal phase input end with described amplifier of connecting after described the second resistor respectively, the first end of described the 4th resistor is connected with the first end of described the 5th resistor, the electrode input end of described amplifier is connected with the cathode output end of described DC power supply, the second end of described the 5th resistor is connected with the first end of described the 7th resistor with the second end of described the 6th resistor respectively, the second end of described the 7th resistor is connected with the negative pole of described the 5th diode, ground connection after the negative input of described amplifier is connected with the second end of described the 4th resistor, the signal output part of described amplifier is connected with the first end of described the 8th resistor, the signal output part that the second end of described the 8th resistor is amplifying circuit.
Further, described drive circuit comprises metal-oxide-semiconductor, the 9th resistor, the tenth resistor, the first voltage stabilizing didoe, the second voltage stabilizing didoe and horn coil, the control utmost point of described metal-oxide-semiconductor is connected with the first end of described the 9th resistor with the signal output part of described amplifying circuit respectively, the second end of described the 9th resistor is connected with the positive pole of described the first voltage stabilizing didoe, the negative pole of described the first voltage stabilizing didoe is connected with the emitter of described metal-oxide-semiconductor and the first end of described horn coil respectively, the grounded collector of described metal-oxide-semiconductor, the second end of described horn coil is connected with the first end of described the tenth resistor with the current output terminal of described rectification circuit respectively, the second end of described the tenth resistor is connected with the negative pole of described the second voltage stabilizing didoe with the cathode output end of described DC power supply respectively, the plus earth of described the second voltage stabilizing didoe, the current input terminal that the second end of described horn coil is described power supply circuits.
Further, described rectification circuit comprises the first diode, the second diode, the 3rd diode and the 4th diode, the positive pole of described the first diode is connected with the negative pole of described the second diode and the power output end of described loudspeaker respectively, ground connection after the positive pole of described the second diode is connected with the positive pole of described the 4th diode, the negative pole of described the 4th diode is connected with the positive pole of described the 3rd diode with described loudspeaker power output end respectively, the negative pole of described the first diode is connected with described the 3rd negative pole of diode and the current input terminal of described power supply circuits respectively.
The beneficial effects of the utility model are:
The utility model carries out rectification through rectification circuit to electric current, has avoided because of dividing of both positive and negative polarity, loudspeaker can not being worked in loudspeaker wiring, and can reach with frequently, contactless, electromagnetic compatibility; The utlity model has simple in structure, easy to use and be conducive to large batch of production.
Accompanying drawing explanation
Fig. 1 is the nonpolarity circuit diagram with frequency armchair with adjustable back circuit described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Embodiment mono-: as shown in Figure 1, the utility model comprises voltage stabilizing circuit, microphone receiver MK1, the first resistor R1, the second resistor R2, the 3rd resistor R3, the 4th resistor R4, the 5th resistor R5, the 6th resistor R6, the 7th resistor R7, the 8th resistor R8, the 9th resistor R9, the tenth resistor R1O, the first capacitor C1, the second capacitor C2, amplifier IC, metal-oxide-semiconductor Q1, the first voltage stabilizing didoe VD1, the second voltage stabilizing didoe VD2, horn coil L, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 and the 5th diode D5, the cathode output end of voltage stabilizing circuit is connected after the first resistor R1 and is connected with the first end of the 3rd resistor R3 with the electrode input end of microphone receiver MK1 respectively, the second end of the 3rd resistor R3 is connected with the first end of the second capacitor C2 with the first end of the first capacitor C1 respectively, ground connection after the negative input of microphone receiver MK1 is connected with the second end of the second capacitor C2, the positive pole of the 5th diode D5 respectively with the second end of the first capacitor C1, the first end of the 6th resistor R6 is connected with the inverting input of amplifier IC, the cathode output end of the DC power supply normal phase input end with amplifier IC of connecting after the second resistor R2 respectively, the first end of the 4th resistor R4 is connected with the first end of the 5th resistor R5, the electrode input end of amplifier IC is connected with the cathode output end of DC power supply, the second end of the 5th resistor R5 is connected with the first end of the 7th resistor R7 with the second end of the 6th resistor R6 respectively, the second end of the 7th resistor R7 is connected with the negative pole of the 5th diode D5, ground connection after the negative input of amplifier IC is connected with the second end of the 4th resistor R4, the signal output part of amplifier IC is connected with the first end of the 8th resistor R8, the base stage of metal-oxide-semiconductor Q1 is connected with the first end of the 9th resistor R9 with the second end of the 8th resistor R8 respectively, the second end of the 9th resistor R9 is connected with the positive pole of the first voltage stabilizing didoe VD1, the negative pole of the first voltage stabilizing didoe VD1 is connected with the first end of horn coil L with the source electrode of metal-oxide-semiconductor Q1 respectively, the grounded drain of metal-oxide-semiconductor Q1, the second end of horn coil L is connected with the first end of the tenth resistor R10 with the negative pole of the first diode D1 respectively, the second end of the tenth resistor R10 is connected with the negative pole of the second voltage stabilizing didoe VD2 with the cathode output end of DC power supply respectively, the plus earth of the second voltage stabilizing didoe VD2, the positive pole of the first diode D1 is connected with the second negative pole of diode D2 and the power output end of loudspeaker respectively, ground connection after the positive pole of the second diode D2 is connected with the positive pole of the 4th diode D4, the negative pole of the 4th diode D4 is connected with the positive pole of the 3rd diode D3 with loudspeaker power output end respectively, the negative pole of the first diode D1 is connected with the negative pole of the 3rd diode D3.
Claims (5)
- One kind nonpolarity with frequency armchair with adjustable back circuit, it is characterized in that: comprise rectification circuit, voltage stabilizing circuit, signal input circuit, amplifying circuit, and drive circuit, the voltage output end of described rectification circuit is connected with the voltage input end of described voltage stabilizing circuit, the voltage output end of described voltage stabilizing circuit is connected with the voltage input end of described signal input circuit and the voltage input end of described amplifying circuit respectively, the signal output part of described signal output apparatus is connected with the signal input part of described amplifying circuit, the voltage output end of described amplifying circuit is connected with the voltage input end of described drive circuit.
- 2. according to claim 1 nonpolarity with frequency armchair with adjustable back circuit, it is characterized in that: described signal input circuit comprises microphone receiver, the first resistor, the 3rd resistor, the first capacitor and the second capacitor, the cathode output end of described voltage stabilizing circuit is connected after described the first resistor and is connected with the first end of described the 3rd resistor with the electrode input end of described microphone receiver respectively, the second end of described the 3rd resistor is connected with the first end of described the second capacitor with the first end of described the first capacitor respectively, ground connection after the negative input of described microphone receiver is connected with the second end of described the second capacitor, the signal output part that the second end of described the first capacitor is signal output apparatus.
- 3. according to claim 1 nonpolarity with frequency armchair with adjustable back circuit, it is characterized in that: described amplifying circuit comprises amplifier, the second resistor, the 4th resistor, the 5th resistor, the 6th resistor, the 7th resistor, the 8th resistor and the 5th diode, the positive pole of described the 5th diode respectively with the signal output part of described signal output apparatus, described the 6th first end of resistor and the inverting input of described amplifier are connected, the cathode output end of the described voltage stabilizing circuit normal phase input end with described amplifier of connecting after described the second resistor respectively, the first end of described the 4th resistor is connected with the first end of described the 5th resistor, the electrode input end of described amplifier is connected with the cathode output end of DC power supply, the second end of described the 5th resistor is connected with the first end of described the 7th resistor with the second end of described the 6th resistor respectively, the second end of described the 7th resistor is connected with the negative pole of described the 5th diode, ground connection after the negative input of described amplifier is connected with the second end of described the 4th resistor, the signal output part of described amplifier is connected with the first end of described the 8th resistor, the signal output part that the second end of described the 8th resistor is amplifying circuit.
- 4. according to claim 1 nonpolarity with frequency armchair with adjustable back circuit, it is characterized in that: described drive circuit comprises metal-oxide-semiconductor, the 9th resistor, the tenth resistor, the first voltage stabilizing didoe, the second voltage stabilizing didoe and horn coil, the control utmost point of described metal-oxide-semiconductor is connected with the first end of described the 9th resistor with the signal output part of described amplifying circuit respectively, the second end of described the 9th resistor is connected with the positive pole of described the first voltage stabilizing didoe, the negative pole of described the first voltage stabilizing didoe is connected with the emitter of described metal-oxide-semiconductor and the first end of described horn coil respectively, the grounded collector of described metal-oxide-semiconductor, the second end of described horn coil is connected with the first end of described the tenth resistor with the current output terminal of described rectification circuit respectively, the second end of described the tenth resistor is connected with the negative pole of described the second voltage stabilizing didoe with the cathode output end of DC power supply respectively, the plus earth of described the second voltage stabilizing didoe, the current input terminal that the second end of described horn coil is power supply circuits.
- 5. according to claim 1 nonpolarity with frequency armchair with adjustable back circuit, it is characterized in that: described rectification circuit comprises the first diode, the second diode, the 3rd diode and the 4th diode, the positive pole of described the first diode is connected with the negative pole of described the second diode and the power output end of described loudspeaker respectively, ground connection after the positive pole of described the second diode is connected with the positive pole of described the 4th diode, the negative pole of described the 4th diode is connected with the positive pole of described the 3rd diode with described loudspeaker power output end respectively, the negative pole of described the first diode is connected with described the 3rd negative pole of diode and the current input terminal of power supply circuits respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542222.7U CN203446013U (en) | 2013-09-03 | 2013-09-03 | No-polarity frequency-dependent no-contact horn circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320542222.7U CN203446013U (en) | 2013-09-03 | 2013-09-03 | No-polarity frequency-dependent no-contact horn circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203446013U true CN203446013U (en) | 2014-02-19 |
Family
ID=50097021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320542222.7U Expired - Fee Related CN203446013U (en) | 2013-09-03 | 2013-09-03 | No-polarity frequency-dependent no-contact horn circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203446013U (en) |
-
2013
- 2013-09-03 CN CN201320542222.7U patent/CN203446013U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203446013U (en) | No-polarity frequency-dependent no-contact horn circuit | |
| CN206099293U (en) | High voltage input protection circuit | |
| CN208862634U (en) | A kind of power supply switching power supply circuit | |
| CN204103467U (en) | A kind of protective circuit of automobile instrument circuit | |
| CN208836000U (en) | A kind of adjustable DC output circuit | |
| CN203813659U (en) | Satellite tuner power supply circuit | |
| CN203840195U (en) | Device for preventing overshoot current | |
| CN206595978U (en) | The PLC transistor output mouthful isolation circuits built with phase inverter and triode | |
| CN203327224U (en) | Dual-mode earphone circuit | |
| CN203275915U (en) | Acquisition signal amplifier of pump intelligent control system in transformer substation | |
| CN204697017U (en) | A kind of intercom audio amplifier circuit | |
| CN105005345A (en) | Low-power high-speed power supply clamping circuit | |
| CN203838590U (en) | Under-voltage detection device | |
| CN104682339A (en) | Overvoltage protection circuit | |
| CN205791463U (en) | A kind of motor protective circuit | |
| CN203180874U (en) | Multi-site control switch based on decade counter | |
| CN103532502B (en) | A kind of power line carrier power amplification device | |
| CN205179341U (en) | Power amplifier squelch circuit | |
| CN209200659U (en) | A kind of negative voltage protection circuit | |
| CN204464966U (en) | Voltage protection circuit | |
| CN203180845U (en) | Signal amplifying circuit for audio paying | |
| CN104660920A (en) | Distribution circuit of video signals | |
| CN204464965U (en) | Under voltage protection circuit | |
| CN205883183U (en) | Point -reading machine's reset circuit | |
| CN205105381U (en) | Switching on and shutting down squelch circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20180903 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |