CN1533935A

CN1533935A - Vehicle horn driving circuit

Info

Publication number: CN1533935A
Application number: CNA2004100309191A
Authority: CN
Inventors: 柳泽毅; 幸; 中岛广幸; 石塚诚
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2003-03-27
Filing date: 2004-03-26
Publication date: 2004-10-06
Anticipated expiration: 2024-03-26
Also published as: TW200422213A; JP4252832B2; TWI243122B; JP2004291848A; CN100579823C

Abstract

A horn electrical energization circuit 5 including an AC type horn H is connected to a multi-pole type AC power generator G while being independent from a circuit to be controlled with an AC regulator 2.

Description

The horn for vehicle driving circuit

Technical field

The present invention relates to improvement by the horn for vehicle driving circuit of using by the power drive AC system loudspeaker of engine-driven multipolar system alternating current generator generation.

Background technology

In patent documentation 1, disclose through the half wave rectification unit and the AC system loudspeaker to be connected to generating that the multipolar system alternating current generator had horn for vehicle driving circuit with coil one end.

Patent documentation 1 real public clear 63-42025 communique

In above-mentioned prior art, for the eigentone that prevents the oscillating plate that the AC system loudspeaker are had and frequency from the alternating current of multipolar system alternating current generator output do not match, especially above-mentioned loudspeaker can not sounding in the high speed revolution zone of electrical motor, and alternating current is carried out offering after the half wave rectification excitation coil of loudspeaker.

On the other hand, in order to become the after-applied electrical load of giving of stable alternating-current voltage/AC voltage by the alternating-current voltage/AC voltage of multipolar system alternating current generator gained, usually on vehicle, load the power-supply system that electrical load and AC regulator is parallel-connected to the multipolar system alternating current generator, viewpoint from above-mentioned prior art, in above-mentioned power-supply system, by further the AC system loudspeaker being parallel-connected on electrical load and the AC regulator, and should make AC system loudspeaker sounding reliably.

But, though the AC system loudspeaker make film to the attraction of excitation coil side with make film leave the work of excitation coil and sounding by alternating current repeatedly, but as mentioned above, because of constituting the AC system loudspeaker are parallel-connected to AC regulator, so if the motor rotation number is the high speed revolution zone, performance attracts the electric current of the electromagnetic force of film to become pulsatory current in the excitation coil of AC system loudspeaker because of the effect of AC regulator makes, and continues to flow through, so there is the bad possibility of sounding.

Summary of the invention

The present invention makes invention in view of the above problems, its objective is provides a kind of horn for vehicle driving circuit, make at every turn when the power drive AC system loudspeaker that produce by the multipolar system alternating current generator that is connected with AC regulator, this AC regulator is used for stable voltage is offered electrical load, even also can guarantee the AC system sound horn in the high speed revolution zone of electrical motor.

In order to achieve the above object, the invention that first aspect present invention is put down in writing is a kind of horn for vehicle driving circuit, generating coil be connected in parallel electrical load and AC regulator, and use and to drive the AC system loudspeaker by electric motor driven multipolar system alternating current generator, it is characterized in that: the loudspeaker power-on circuit that will contain the AC system loudspeaker is connected on the above-mentioned multipolar system alternating current generator mutually independently with the circuit of being controlled by above-mentioned AC regulator.

The structure of the invention of putting down in writing according to this first aspect present invention, when the rotation number of electrical motor is in the high speed revolution zone, even brought into play the state of function for AC regulator, because the loudspeaker path is connected to the multipolar system alternating current generator mutually independently with the control of AC regulator, so produce zero crossing on the exciting current that can in the excitation coil of AC system loudspeaker, flow through, therefore, make the reliable vibration of film and can guarantee the reliable sounding of AC system loudspeaker.

In addition, the invention that second aspect present invention is put down in writing is except the structure of the invention that has the invention described above first aspect and put down in writing, it is characterized in that: be provided with on the above-mentioned multipolar system alternating current generator of coil on around a plurality of utmost points that had to this multipolar system alternating current generator one having a plurality of above-mentioned generating that is connected in series, and the special-purpose coil of loudspeaker that is connected with the centre tap of coil with above-mentioned each generating, the above-mentioned loudspeaker path of connection on the special-purpose coil of these loudspeaker.According to this structure, can avoid the maximization of multipolar system alternating current generator and realize that cost reduces.Promptly, owing to obtain the required power of AC system loudspeaker with the part of coil and loudspeaker special use coil by a plurality of generatings, so the special-purpose coil of loudspeaker can be made as a minimal utmost point, can avoid the maximization of multipolar system alternating current generator, can realize the reduction of cost.And,, when exchanging loudspeaker work, can suppress to be connected to the change of voltage of generating with the electrical load on the coil because the special-purpose coil of loudspeaker is connected to the centre tap that coil is used in a plurality of generatings that are connected in series.

The invention of putting down in writing according to first aspect present invention as mentioned above produces zero crossing on the exciting current that also can flow through, and can guarantee the reliable sounding of AC system loudspeaker in the excitation coil of AC system loudspeaker when the rotation number of electrical motor is in the high speed revolution zone.

According to the invention that second aspect present invention is put down in writing, can avoid the maximization of multipolar system alternating current generator and the reduction of realization cost, and, the change of voltage of electrical load in the time of can suppressing the work of AC system loudspeaker.

Description of drawings

Fig. 1 is the circuit diagram that contains the AC system loudspeaker.

Fig. 2 is the front elevation of the stator that had of multipolar system alternating current generator.

Fig. 3 is the longitdinal cross-section diagram of AC system loudspeaker.

Fig. 4 is in the low speed rotation zone that is illustrated in when being connected in parallel electrical load and AC system loudspeaker, offers the figure of the excitation coil electric current of the AC system loudspeaker in the AC regulator resting state.

Fig. 5 is in the middling speed rotary area that is illustrated in when being connected in parallel electrical load and AC system loudspeaker, offers the figure of the excitation coil electric current of the AC system loudspeaker in the AC regulator mode of operation.

Fig. 6 be when being illustrated in the electrical load that is connected in parallel with the AC system loudspeaker with high speed revolution zone when being connected the AC system loudspeaker according to the present invention in, offer the figure of electric current of the excitation coil of the AC system loudspeaker in the AC regulator mode of operation.

The specific embodiment

Below, the one embodiment of the present of invention shown in illustrate embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is the circuit diagram that contains the AC system loudspeaker, Fig. 2 is the front elevation of the stator that had of multipolar system alternating current generator, Fig. 3 is the longitdinal cross-section diagram of AC system loudspeaker, Fig. 4 is in the low speed rotation zone that is illustrated in when being connected in parallel electrical load and AC system loudspeaker, offer the figure of the excitation coil electric current of the AC system loudspeaker in the AC regulator resting state, Fig. 5 is in the middling speed rotary area that is illustrated in when being connected in parallel electrical load and AC system loudspeaker, offer the figure of the excitation coil electric current of the AC system loudspeaker in the AC regulator mode of operation, Fig. 6 be when being illustrated in the electrical load that is connected in parallel with the AC system loudspeaker with high speed revolution zone when being connected the AC system loudspeaker according to the present invention in, offer the figure of the excitation coil electric current of the AC system loudspeaker in the AC regulator mode of operation.

At first in Fig. 1, ceiling light electrical loads such as (head lamp) 1 and the AC regulator 2 that is used for short circuit alternating-current voltage/AC voltage negative half-wave, burning voltage and imposes on above-mentioned electrical load 1 are parallel-connected to by electric motor driven multiple stage alternator G, excitation coil 3 that the AC system horn in H had and horn switch 4 are connected in series and the loudspeaker path 5 that forms is connected on the above-mentioned multiple stage alternating current generator G.

In Fig. 2, the stator 6 of multiple stage alternating current generator G comprises: have the outstanding laterally a plurality of utmost points in equally spaced position on peripheral direction, for example have the outstanding utmost point 7,7 of 8 utmost points ... iron core 8; Cover the bobbin frame 9 of this iron core 8 in the part of the central authorities of the front end of removing above-mentioned each outstanding utmost point 7 and unshakable in one's determination 8; Through a pair of igniting of above-mentioned bobbin frame 9 on two outstanding utmost points 7 in above-mentioned each outstanding utmost point 7 with coil 10; Through the generating of above-mentioned bobbin frame 9 on a plurality of for example 5 outstanding utmost points 7 in above-mentioned each outstanding utmost point 7 with coil 11 with through the special-purpose coil 12 of the loudspeaker of above-mentioned bobbin frame 9 on remaining in above-mentioned each outstanding utmost point 7 an outstanding utmost point 7.

In addition, in Fig. 1, a pair of igniting of being connected in series is with coil 10,10, and these igniting ends with coils 10,10 are connected on the ignition device 13.In addition, 5 generatings also are connected in series with coil 11, and electrical load 1 and AC regulator 2 are parallel-connected to the end of these generatings with coil 11.Further, an end of the special-purpose coil 12 of above-mentioned loudspeaker is connected to the centre tap 14 of 5 generatings with coils 11, above-mentioned loudspeaker path 5 is connected to the other end of the special-purpose coil 12 of these loudspeaker.That is, loudspeaker path 5 is connected on the multiple stage alternating current generator G mutually independently with the circuit of being controlled by AC regulator 2.

Among Fig. 3, the shell 15 of AC system horn in H has the housing main body 16 at the end and the opening of this housing main body 16 of covering and the lid 17 that combines with housing main body 16 to constitute by cylindric, the periphery of clamping oscillating plate 18 between housing main body 16 and lid 17 is at the fixing movable core 19 of the central authorities of this oscillating plate 18.

On the other hand, in housing main body 16 internal fixation configuration unshakable in one's determination 20 with around the excitation coil 3 to this iron core 20, make it relative with above-mentioned movable core 19, by making movable core 19 make oscillating plate 18 vibrations repeatedly, thereby make AC system horn in H sounding to the attraction of excitation coil 3 sides and the action that makes movable core 19 leave excitation coil 3.

Below, illustrate that with reference to Fig. 4～Fig. 6 the effect of this embodiment, Fig. 4～Fig. 6 (a) they are to represent as prior art under the situation of the excitation coil 3 of the AC system horn in H that is connected in parallel and electrical load 1 figure of the electric current that flows through in excitation coil 3.

At first, as prior art, if the excitation coil 3 of AC system horn in H is parallel-connected to the situation of electrical load 1, when the rotation number of electrical motor before AC regulator 2 work is in the low speed rotation zone, as shown in Figure 4, excitation coil 3 energisings of AC system horn in H are used the electric current of the positive and negative symmetry of coil 11 generations by generating; In addition, when after AC regulator 2 work, when the rotation number of electrical motor is in the middling speed rotary area, as shown in Figure 5, to excitation coil 3 energisings of AC system horn in H because of AC regulator 2 short circuits minus side be partial to the electric current of positive side.

Like this, when the rotation number of electrical motor is in low speed rotation zone and middling speed rotary area, as shown in Figure 4 and Figure 5, there is zero crossing in the electric current to excitation coil 3 energising of AC system horn in H, even so the excitation coil 3 of AC system horn in H is parallel-connected to electrical load 1, also can make movable core 19 to the attraction of excitation coil 3 sides with make movable core 19 leave excitation coil 3 repeatedly, and make sounding become possibility by oscillating plate 18 vibrations.

But, if the rotation number of electrical motor further rises and becomes the high speed revolution zone, then shown in Fig. 6 (a), before the current vanishes that positive effluent is crossed, apply following positive side wave, then become the electric current that excitation coil 3 energisings of AC system horn in H is not had the pulsatory current waveform of being partial to positive side of zero crossing.Therefore, if the excitation coil 3 of AC system horn in H is parallel-connected to electrical load 1, then becomes always and attract movable cores 19 by excitation coil 3, oscillating plate 18 does not produce vibration, and makes that the AC system horn in H can not sounding.

But, so be connected to multiple stage alternating current generator G mutually independently shown in Fig. 6 (b) with the circuit of being controlled by AC regulator 2 owing to will include the loudspeaker path 5 of the excitation coil 3 of AC system horn in H, when the rotation number of electrical motor is in the high speed revolution zone, even AC regulator 2 is the state of its function of performance, also can on the exciting current of the excitation coil 3 that flows through the AC system horn in H, produce zero crossing, therefore, oscillating plate 18 is reliably vibrated, and can guarantee the reliable sounding of AC system horn in H.

And, in multiple stage alternating current generator G, except using the coil 11 with a plurality of generatings that electrical load 1 links to each other with AC regulator 2, also be provided with around one of a plurality of utmost points that had to multipolar system alternating current generator G go up, with generating with coil 11,11 ... the special-purpose coil 12 of loudspeaker that links to each other of centre tap 14, owing on the special-purpose coil 12 of these loudspeaker, connect loudspeaker path 5, can avoid the maximization of multipolar system alternating current generator G and the reduction of realization cost.Promptly, obtained AC system horn in H desired power by a plurality of generatings with the part of coil 11 and the special-purpose coil 12 of loudspeaker, so the special-purpose coil 12 of loudspeaker can be made as a minimal utmost point, thus, the maximization of multipolar system alternating current generator G can be avoided, and the reduction of cost can be realized.

In addition, by the special-purpose coil 12 of loudspeaker being connected to a plurality of generatings of being connected in series centre tap 14, and can when work, the AC system horn in H suppress to be connected to the variation in voltage that the electrical load 1 on the coil 11 is used in generating with coil 11.

Above, although understand embodiments of the invention, but the present invention is not limited to the foregoing description, and the present invention who puts down in writing in not breaking away from the claim scope can carry out all changes.

Claims

1. horn for vehicle driving circuit, generating coil (11) with the electrical load that is connected in parallel (1) and AC regulator (20), and be used for using and drive AC system loudspeaker (H) by electric motor driven multipolar system alternating current generator (G), it is characterized in that: the loudspeaker path (5) that contains AC system loudspeaker (H) is connected on the above-mentioned multipolar system alternating current generator (G) mutually independently with the circuit of being controlled by above-mentioned AC regulator (2).

2. horn for vehicle driving circuit according to claim 1, it is characterized in that: go up with the above-mentioned multipolar system alternating current generator (G) of coil (11) on one that is provided with around a plurality of utmost points that had to this multipolar system alternating current generator (G) having a plurality of above-mentioned generating that is connected in series, and with above-mentioned each generating with the special-purpose coil (12) of loudspeaker that the centre tap (14) of coil (11) is connected, go up connection above-mentioned loudspeaker path (5) at special-purpose coils of these loudspeaker (12).