CN201331912Y - Electric horn device with separately mounted thick film controller and electric horn - Google Patents
Electric horn device with separately mounted thick film controller and electric horn Download PDFInfo
- Publication number
- CN201331912Y CN201331912Y CNU2008200302641U CN200820030264U CN201331912Y CN 201331912 Y CN201331912 Y CN 201331912Y CN U2008200302641 U CNU2008200302641 U CN U2008200302641U CN 200820030264 U CN200820030264 U CN 200820030264U CN 201331912 Y CN201331912 Y CN 201331912Y
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- circuit
- electric horn
- thick film
- contact points
- film controller
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Abstract
The utility model discloses an electric horn device with a thick film controller and an electric horn which are mounted separately. The device comprises a voice mechanism and a circuit for controlling a voice electronic switch; the thick film controller adopts the structure that a heating panel is arranged at the one end of the casing; the heating panel is connected with a power tube; two terminal strips of the electric horn are connected with one side of the casing; the connecting terminal of a positive source, the connecting terminal of a negative source, and the connecting terminal of a control electrode are connected with the other side of the casing; the push-button switch of a steering wheel is horizontally provided with four contact points up and down, that are upper horizontal contact points and lower horizontal contact points; an electric resistance is connect in series between the upper horizontal contact points and the lower horizontal contact points; the connecting terminal of the control electrode is respectively connected with the electric resistance and the contact points; and the upper horizontal contact points are in short connection with the lower horizontal contact points and connected with one end of a protective tube. The utility model has the advantages of less contact points, long service life, high-temperature resistance, good tone quality, stepped volume, low cost, maintenance free, safety, reliability and the like. The electric horn device is applied to honking devices on automobiles, motorbikes, ships, tractors and the like.
Description
Technical field
The utility model relates to automobile-used electric horn, is specifically related to a kind of automobile-used thick film controller separates installation with electric horn electronic horn device.
Background technology
Existing electric horn, its mode of connection mostly is one wire system or double wire system greatly.These two kinds of mode of connections are typically equipped with electric horn breaker point unit and electric horn button, and wherein some compact horn also can only be used button without electric horn breaker point unit.No matter use relay still without the mode of connection of relay, all exist contact resistance value variation issue in the current supply circuit system of electric horn, a because utmost point bonding of electric horn, in the electric horn power circuit, exist mechanical contact resistance inevitably, it comprises plug, relay contact, push-button contact, contact resistances such as bonding, the main cause that its contact resistance value increases is that arc erosion and the reasons such as corrosion of bonding part surface and metal coupling part bolt looseness owing to the contact cause, simultaneously, motorized vehicles and vessels all is at outside work, is in the environment temperature all the year round, humidity changes greatly, the work down of the frequent mal-condition often of vibratory impulse.Therefore, promptly use the transistor contact-less electric horn of the adjustable volume in hole 94213117.7, it also only is the mechanical contact problem that has solved electric horn self, but do not solve the mechanical contact problem of electric horn power-supply system, still exist the caused contact resistance value of corrosion of bonding part surface and metal coupling part bolt looseness to increase and cause electric horn sound to diminish or noiseless, also consume the storage battery electric energy thereupon in a large number.
For existing contact-less electric horn, use discrete electronic devices and components to be assembled into circuit board mostly, it is low that this production method exists efficient, and poor-performing such as high temperature resistant, low temperature, anticorrosion, moistureproof, anti-vibrating and impact, the high inadequately defective of reliability.
On April 5th, 1966 is by " the electronics thick film circuit block contact-less electric horn " of Xu Fengzhong application, the patent No. is z196118658.5, Granted publication number is CN1081374C, and this patent provides to reduce or eliminate the contact resistance value and to improve a kind of three-wire system thick film circuit block contact-less electric horn of the reliability of electric horn.Though this patent has solved the influence of electric horn circuit system pitting of contact and the increase of bonding resistance value, thereby improved the reliability that electric horn uses, realize the electronics thick film circuit block contact-less electric horn of lifelong freedom from repairs, but this patent still has the following disadvantages: because semiconductor devices is contained in the electric horn, when electric horn worked long hours, the power component of its inner iron core, armature, coil, on-off circuit all can produce heat.When heat surpassed the working temperature of semiconductor devices, the serviceability of semiconductor devices was understood control breakdown, influenced the defective of the operate as normal of electric horn.
Summary of the invention
The purpose of this utility model provides good, volume stepping of a kind of contactless, long-life, high-low temperature resistant, tonequality, cost is low, the control circuit contact is few, freedom from repairs, safe and reliable thick film controller separate the electronic horn device of installation with electric horn.
In order to overcome the deficiencies in the prior art, the technical solution of the utility model is to solve like this: the thick film controller separates the electronic horn device of installation with electric horn, comprise that toot mechanism and control sounding electronic switching circuit are formed altogether by sound generating mechanism and resonance, its sound generating mechanism comprises the back cover of electric horn, hodmadod, castanets, armature, iron core, patch bay, hold-down arm, coil rack, loading coil, pressing plate, clamp nut, self-tapping screw, packing ring, rubber washer, special character of the present utility model is to control the sounding electronic switching circuit and is made up of a thick film controller, described thick film controller is installed a heat sink by shell one end, heat sink is connected with power tube, shell one side is connected with two lug plates of electric horn, opposite side is connected with the positive source connection terminal respectively, the power cathode connection terminal, control utmost point connection terminal, one end of described pushbutton switch circuit is connected with control utmost point connection terminal, the other end is connected with positive source by protective tube, control utmost point connection terminal is connected with filter circuit of pressure-stabilizing, filter circuit of pressure-stabilizing is connected with the rectangle wave generation circuit, rectangle wave generation circuit one end respectively with static leakage circuit, one end of power amplifier connects, the rectangle wave generation circuit other end respectively with static leakage circuit, the other end of power amplifier is connected in power cathode, the power amplifier other end respectively with the coil load circuit, one end of back-emf leadage circuit connects, the coil load circuit, insert positive source by the protective tube that is connected in series after the other end parallel connection of back-emf leadage circuit, the bearing circle pushbutton switch is respectively equipped with four contacts of two levels up and down, the resistance that is connected in series between last water-level contact and the following water-level contact, thick film controller S utmost point connection terminal respectively with resistance R
S, the contact connects, last water-level contact is connected with an end of protective tube with following water-level contact short circuit.
The utility model compared with prior art, thick film controller electric horn is except the whole advantages with electronics thick film circuit block contact-less electric horn, its unique distinction is " the thick film controller separates installation with electric horn ", the thick film piece of " electronics thick film circuit block contact-less electric horn " is moved on to the outside of electric horn, become the electric horn controller.The thick film controller is not subjected to electric horn interior loop, iron core, armature Temperature Influence after thick film piece (comprising all semiconductor devices) is moved on to the outside of electric horn.In addition, after the thick film piece moved on to the electric horn outside, because of radiating condition is good, the heat that self produces can not influence its operate as normal.Simultaneously, the easy multi-functional control that realizes electric horn.Owing to have electronics thick film circuit block contact-less electric horn, so saved electric horn breaker point unit.Especially the contact of control loop only has only one on bearing circle button.And the contact resistance scope is very wide, and through actual measurement, as long as contact resistance is not more than 1k ohm, electric horn just can reliably be rung.So that this electric horn has is contactless, long-life, high-low temperature resistant, tonequality are good, the volume stepping, cost is low, the control circuit contact is few, freedom from repairs, characteristics such as safe and reliable.Its thick film controller is applicable to the snail and the box type electric horn of various models, is automobile, motorcycle, and the ideal of the steamer device of blowing a trumpet is the renewal product of traditional electrical loudspeaker and contact-less electric horn.
Description of drawings
Fig. 1 is a prior art electric horn structural representation;
Fig. 2 is a thick film controller contour structures synoptic diagram;
Fig. 3 is Fig. 4 circuit box structure synoptic diagram;
Fig. 4 is Fig. 2 circuit theory synoptic diagram;
Fig. 5 is a bearing circle press-button structure synoptic diagram.
Embodiment
Accompanying drawing is embodiment of the present utility model.
Below in conjunction with accompanying drawing the utility model content is described further:
With reference to shown in Figure 1, its sound generating mechanism comprises back cover 1, hodmadod 2, castanets 3, armature 4, iron core 5, patch bay 6, hold-down arm 7, coil rack 8, loading coil 9, pressing plate 10, clamp nut 11, self-tapping screw 12, packing ring 13, the rubber washer 35 of electric horn 29, one-piece construction is formed a resonator cavity, the sound generating sympathetic response of sending with castanets 3 assemblies.Coil rack 8 is installed, coil 9, pressing plate 10, patch bay 6, iron core piece 5, hold-down arm 7, hexagonal nut 11 on the back cover 1.Being provided with sound channel in the hodmadod 2, is to be formed by hodmadod and snail cap bonding.The castanets assembly apparatus is by castanets 3, armature 4, and pad 13 riveted joints form, and back cover 1, hodmadod 2, castanets 3 assemblies are installed the back with fastening the forming of self-tapping screw 12 (or riveted joint) by shown position.
Shown in Figure 2, control sounding electronic switching circuit is made up of a thick film controller 30, described thick film controller 30 is installed a heat sink 15 by shell 14 1 ends, heat sink 15 is equipped with power device 16, shell 14 1 sides are provided with two lug plates 17 of electric horn 29, opposite side has positive source connection terminal 18 respectively, power cathode connection terminal 19, control utmost point connection terminal 20, when the thick film controller just, after negative power source terminal inserts the voltage of regulation, press the bearing circle button, power tube 16 just is operated on off state, when power tube 16 saturation conductions, flows through electric current in the coil 9, the iron core 5 generation suction that is magnetized, inhale lower armature 4, when power tube 16 ended shutoff, no current flow through in Fig. 1 coil 9, iron core 5 loses suction, and castanets 3 assemblies are got back to original position by the rebound effect of self.After empathizing, sound that round fast like this vibration produces and resonator cavity send, plastic casing 14 inside are all components and parts in Fig. 3 frame of broken lines to be connected by schematic diagram Fig. 3 and seal filling with epoxy resin be solidificated in the plastic housing, characteristics with waterproof, protection against the tide, anti-salt fog, vibration resistance, impact, low temperature, high temperature etc., heat sink 15 is installed, has good thermolysis, the heat of power tube 16 its generation directly dissipates by heat sink 15, two lug plates that connect loudspeaker 17, owing to have only a coil in the electric horn, so be regardless of both positive and negative polarity when connecting.
Shown in Figure 3, when electric horn was not rung, power supply 28 had inserted load circuit, still, did not press the bearing circle button, and its square wave oscillation circuit loses power supply.Rect.p. generation circuit BG1 does not have rect.p. output, and therefore, power tube BG2 loses and promotes to be in cut-off state, does not have electric current to flow through in the coil in the electric horn, and electric horn 29 does not ring.When pressing the bearing circle button, power supply 28 is formed filter circuit of pressure-stabilizing by resistance R 5, diode D1, capacitor C 2 immediately, give the power supply of BG1 rect.p. oscillatory circuit, BG1 works immediately and flows to power tube BG2 from pin 3 ends output rect.p. through resistance R 3, power tube BG2 is subjected to the promotion of rect.p. to be operated on off state immediately, simultaneously loading coil L also is operated on off state, and castanets 3 assemblies of electric horn 29 produce that electric horn sound is sent in vibration and empathize with hodmadod and send desirable sound.
Resistance R 1, R2, capacitor C 1 and integrated package BG1 form the square wave oscillation circuit, are operated in good on off state in order to promote power tube BG2.
Resistance R 4 is to be provided with in order to prevent electrostatic accumulation from damaging power tube.
Shown in Figure 4, described filter circuit of pressure-stabilizing 24 1 ends are connected with the node S of control utmost point connection terminal 20, the other end is connected with rectangle wave generation circuit 21, rectangle wave generation circuit 21 1 ends respectively with static leakage circuit 26, one end of power amplifier 22 connects, rectangle wave generation circuit 21 other ends respectively with static leakage circuit 26, the other end of power amplifier 22 is connected in power supply 28 negative poles, power amplifier 22 other ends respectively with coil load circuit 23, one end of back-emf leadage circuit 25 connects, coil load circuit 23, insert power supply 28 positive poles by the protective tube 27 that is connected in series after the other end parallel connection of back-emf leadage circuit 25, bearing circle pushbutton switch circuit AN is respectively equipped with four contacts of two levels up and down, level is provided with contact 31 on it, 32, following level is provided with contact 33,34, a resistance R is connected in series between last water-level contact 31 and the following water-level contact 33
S, the node S other end of control utmost point connection terminal 20 respectively with resistance R
SContact 33 connects, last water-level contact 32 is connected with an end of protective tube 27 with following water-level contact 34 short circuits, the pulse waveform of rectangle wave generation circuit 21 outputs is input to the power amplifier level, promote power tube 16 and be operated in good on off state, coil load circuit 23 promotes castanets 3 vibrations and produces sound, filter circuit of pressure-stabilizing 24 provides stable direct-current working volts for rectangle wave generation circuit 21, back-emf leadage circuit 25 is used for power amplifier 22 and is not accumulated and punch through damage by back-emf, static leakage circuit 26 is used for power amplifier 22 and is not damaged by electrostatic breakdown, protective tube 27 is used for its fusing when the circuit overcurrent, cuts off the electricity supply.
Shown in Figure 5, "+" of power supply 28 receives "+" of thick film controller 30 by protective tube 27."-" of power supply 28 receives "-" of thick film controller 30, and visible major loop connects without any the contact, and electric horn 29 is not rung not power consumption.When under the flicking during bearing circle button AN, contact 31,32 short circuits, the electric current of power supply 28 will flow into the s end of thick film controller 30 by Rs, because the metering function of Rs, electric horn 29 sound of ringing is little, when heavily pressing bearing circle button AN, contact 33,34 short circuits, the electric current of power supply 28 is held by the s that 33,34 closings of contact flow into thick film controller 30, and at this moment Rs does not play metering function, electric horn 29 is rung sound greatly, has played the effect of electric horn 29 volume steppings.
In sum, the utility model is not acted upon by temperature changes to guarantee thick film controller 30 because the circuit component of thick film controller 30 is solidificated in the plastic housing 14 with the filling of epoxy resin envelope, and thick film controller 30 is an individual devices.
Employed electric horn does not generally have the volume controllable function in the background technology, bring a lot of inconvenience in actual use, when automobile travels in urban road, require the electric horn sound level little according to environment power amplifier regulation, and automobile is when mountain highway or highway travel in the open air, wish electric horn sound level maximum, so that minimizing traffic hazard, improve driving efficient, the electronic horn device has increased the volume controllable function in the utility model design, for the automobilist provides convenience and reached safe warning signal purpose, has stronger utility function.
Claims (3)
1, a kind of thick film controller separates the electronic horn device of installation with electric horn, comprise by sound generating mechanism and control sounding electronic switching circuit and forming, its sound generating mechanism comprises the back cover (1) of electric horn (29), hodmadod (2), castanets (3), armature (4), iron core (5), patch bay (6), hold-down arm (7), coil rack (8), loading coil (9), pressing plate (10), clamp nut (11), self-tapping screw (12), packing ring (13), rubber washer (35) is formed, it is characterized in that controlling the sounding electronic switching circuit is made up of the pushbutton switch circuit (AN) of a thick film controller (30) and an electric horn (29), described thick film controller (30) is installed a heat sink (15) by shell (14) one ends, heat sink (15) is connected with power device (16), shell (14) one sides are connected with two lug plates (17) of electric horn (29), opposite side is connected with positive source connection terminal (18) respectively, power cathode connection terminal (19), control utmost point connection terminal (20), described bearing circle pushbutton switch circuit (AN) end is connected with the node (S) of former film controller connection terminal (20), the other end is connected with positive source by insurance (27), the control utmost point (20) node (S) is connected with filter circuit of pressure-stabilizing (24), filter circuit of pressure-stabilizing (24) other end is connected with rectangle wave generation circuit (21), rectangle wave generation circuit (21) one ends respectively with static leakage circuit (26), one end of power amplifier (22) connects, rectangle wave generation circuit (21) other end respectively with static leakage circuit (26), the other end of power amplifier (22) is connected in power supply (28) negative pole, power amplifier (22) other end respectively with coil load circuit (23), one end of back-emf leadage circuit (25) connects, coil load circuit (23), insert power supply (28) positive pole by the protective tube (27) that is connected in series after the other end parallel connection of back-emf leadage circuit (25), bearing circle pushbutton switch circuit (AN) is respectively equipped with four contacts of two levels up and down, water-level contact (31 on it, 32), following water-level contact (33,34), the resistance (R that is connected in series between last water-level contact (31) and the following water-level contact (33)
S), node (S) end of thick film controller connection terminal (20) respectively with resistance (R
S), contact (33) connect, last water-level contact (32) is connected by the positive pole of protective tube (27) with power supply (28) with following water-level contact (34) short circuit.
2, the electronic horn device that separates installation according to the described thick film controller of claim 1 with electric horn is characterized in that the described positive source electric current of working as by last water-level contact, and electric current is again by resistance (R
S) flow into node (S) end, or work as the positive source electric current and pass through water-level contact down, electric current is not by resistance (R
S) flow directly into node (S) end.
3, the electronic horn device that separates installation according to the described thick film controller of claim 1 with electric horn is characterized in that described thick film controller and sound generating mechanism are that partial installation is in the relevant position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200302641U CN201331912Y (en) | 2008-09-16 | 2008-09-16 | Electric horn device with separately mounted thick film controller and electric horn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200302641U CN201331912Y (en) | 2008-09-16 | 2008-09-16 | Electric horn device with separately mounted thick film controller and electric horn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201331912Y true CN201331912Y (en) | 2009-10-21 |
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ID=41225294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200302641U Expired - Fee Related CN201331912Y (en) | 2008-09-16 | 2008-09-16 | Electric horn device with separately mounted thick film controller and electric horn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201331912Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594321A (en) * | 2012-02-24 | 2012-07-18 | 太仓康茂电子有限公司 | High-performance electric horn relay |
-
2008
- 2008-09-16 CN CNU2008200302641U patent/CN201331912Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102594321A (en) * | 2012-02-24 | 2012-07-18 | 太仓康茂电子有限公司 | High-performance electric horn relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091021 Termination date: 20120916 |