CN203434060U - Automobile light adjusting switch - Google Patents
Automobile light adjusting switch Download PDFInfo
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- CN203434060U CN203434060U CN201320528353.XU CN201320528353U CN203434060U CN 203434060 U CN203434060 U CN 203434060U CN 201320528353 U CN201320528353 U CN 201320528353U CN 203434060 U CN203434060 U CN 203434060U
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- car bulb
- light
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Abstract
The utility model relates to an automobile light adjusting switch comprising an upper cover (1), an icon board (3), a housing (4), a combination knob and a circuit board (13). The housing (4) is in joint assembly with the upper cover (1) and the icon board (3); and the combination knob is connected with the circuit board (13) so as to adjust output voltages and circuit parameters. According to the automobile light adjusting switch, six-level different voltage outputs can be realized through rolling a light adjusting knob; a PWM pulse width adjusting circuit is utilized inside the automobile light adjusting switch; the circuit board is added with an aluminum heat-dissipation plate; and thus the automobile light adjusting switch has the advantages of being little in heating, quick in heat dissipation, small in volume, convenient to install, novel in structure and long in service life and the like. The automobile light adjusting switch is suitable for various meter panel background brightness adjusting, headlight brightness adjusting and headlight angle adjusting, and is widely applicable to the fields, such as light-duty trucks, heavy-duty trucks and cars.
Description
Technical field
The utility model relates to by-pass cock technical field, is specifically related to a kind of car bulb by-pass cock.
Background technology
Current car bulb by-pass cock structure, as the Chinese utility model patent of application number 201120331382.8, its disclosed a kind of construction of switch for adjusting automobile lamplight, in deflating cap, be provided with cavity, deflating cap inner surface is provided with several draw-in grooves, one end of locking rod is positioned at stationary pipes inside and is slidably connected with stationary pipes, it is inner and inconsistent with draw-in groove that the other end of locking rod is positioned at deflating cap, between locking rod and stationary pipes, be provided with return unit, it is by carrying out the effectively spacing adjusting automobile lamplight that comes to deflating cap.
Car bulb by-pass cock in the market mainly contains two kinds of structures: a kind of is roller type shift structure (as shown in Figure 1), the inner electric resistance partial pressure of realizing different gears by a shell fragment and wiring board slip; Its advantage is that appearance looks elegant, gear are clear, high life, output voltage control are accurate, but the shortcoming of this structure is to realize the control of weak voltage signal, the too little brightness that cannot directly drive light of output current, electric current amplifying element of intermediate demand could be realized the control of light, and actual operation and maintenance is all not too convenient.Also have a kind of be adopt roller rotarily drive an adjustable resistance (as shown in Figure 2), by the dividing potential drop of resistance, input different voltage in circuit, thereby then through the circuit of triode, amplify the brightness regulation that realizes light; The advantage of this structure is that switch can directly be controlled lamplight brightness adjusting, simple in structure easy to use; But its drawback is internal heat dissipating bad (large power triode can only dispel the heat by wiring board), volume is large, it is inaccurate, bad without gear, feel to control voltage.
Utility model content
In order to solve the problems of the technologies described above, the utility model provides a kind of car bulb by-pass cock, adopt chequered with black and white combination light-control knob, by rolling light-control knob, can realize six grades of different Voltage-outputs, its inner pwm pulse adjustment circuit that adopts, and install in the circuit board aluminium heating panel additional, the car bulb by-pass cock of this structure can be applicable to various panel board background luminances adjustings, headlight brightness regulation and headlight angular adjustment, is widely used in all kinds of light trucks, heavy truck and car field.
To achieve these goals, the utility model adopts following technical scheme.
A kind of car bulb by-pass cock, comprise upper cover, icon board, housing, combined knob, wiring board, housing engages assembling with upper cover, icon board, and combined knob is connected to come regulation output voltage and circuit parameter with wiring board, by rolling light-control knob, can realize six grades of different Voltage-outputs.
Preferably, described housing is built-in with steel ball, spring, movable contact spring, leaded light bar, positioning sleeve.
In above-mentioned arbitrary technical scheme, preferably, described combined knob comprises the first light-control knob, the second light-control knob.
In above-mentioned arbitrary technical scheme, preferably, described steel ball and spring fitting, in described the first light-control knob, and cooperatively interact to realize the switching of gear.
In above-mentioned arbitrary technical scheme, preferably, described the first light-control knob is installed on upper cover, and engages assembling with described the second light-control knob.
In above-mentioned arbitrary technical scheme, preferably, described the first light-control knob rotates and drives steel ball and spring to realize the switching of different gears, drives movable contact spring to realize the voltage input of different gears simultaneously.
In above-mentioned arbitrary technical scheme, preferably, described movable contact spring is installed in described the first light-control knob, and it contacts with the gold plated contact on described wiring board.
In above-mentioned arbitrary technical scheme, preferably, described positioning sleeve is installed on described the first light-control knob, in order to fixing described wiring board, prevents from that it from moving up and down to cause movable contact spring loose contact.
In above-mentioned arbitrary technical scheme, preferably, of described leaded light bar is arranged on described and covers, and other end is connected with described wiring board.
In above-mentioned arbitrary technical scheme, preferably, described housing and described upper cover engage assembling, and its inner fixed installation wiring board, to coordinate the first light-control knob to realize the switching of gear.
In above-mentioned arbitrary technical scheme preferably, described icon board be pasted and fixed on described upper cover above.
In above-mentioned arbitrary technical scheme, preferably, described wiring board has heating panel and inserted sheet.
In above-mentioned arbitrary technical scheme, preferably, on described wiring board, also there is dual operational amplifier, triode, light-emitting diode, resistance, capacity cell.
In above-mentioned arbitrary technical scheme, preferably, described leaded light bar reflexes to the light that in described wiring board, light-emitting diode sends in described icon board, to realize the effect of legend indication.
In above-mentioned arbitrary technical scheme, preferably, described heating panel is fixedly mounted on described wiring board, for the heat radiation of triode described in wiring board.
In above-mentioned arbitrary technical scheme, preferably, described triode is fixed on described heating panel by cross small pan head screw and elastic washer.
In above-mentioned arbitrary technical scheme, preferably, described inserted sheet is weldingly fixed in described wiring board, for the input and output of circuit.
In above-mentioned arbitrary technical scheme, preferably, the contact on described wiring board adopts craft of gilding, and is combined with beryllium-bronze movable contact spring.
In above-mentioned arbitrary technical scheme, preferably, the welding electronic elements on described wiring board is fixed, and surface is encapsulated in housing after being coated with insulating paint.
In above-mentioned arbitrary technical scheme, preferably, described wiring board adopts pwm pulse adjustment circuit.
In above-mentioned arbitrary technical scheme, preferably, described dual operational amplifier comprises first operational amplifier the second operational amplifier.
In above-mentioned arbitrary technical scheme, preferably, described pwm pulse adjustment circuit comprises comparison amplifying circuit, voltage input circuit, voltage follower circuit, power supply indication, Voltage-output indication.
In above-mentioned arbitrary technical scheme preferably, the pin three of described the second operational amplifier and the pin of the first operational amplifier five are in-phase input end, the pin two of the second operational amplifier and the pin of the first operational amplifier six are inverting input, and the pin one of the second operational amplifier and the pin of the first operational amplifier seven are output.
In above-mentioned arbitrary technical scheme preferably, described the first operational amplifier and the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first electric capacity form a pwm pulse width adjusting vibration, make to input on the pin six of the first operational amplifier and the pin two of the second operational amplifier that a frequency is fixed, the signal of change in voltage.
In above-mentioned arbitrary technical scheme, preferably, described the second operational amplifier and the 5th resistance, the second electric capacity, triode constituent ratio are compared with amplifying circuit and voltage follower circuit.
In above-mentioned arbitrary technical scheme, preferably, described voltage input circuit comprises the 9th resistance, the tenth resistance, the 11 resistance, the 12 resistance, the 13 resistance, the 14 resistance, the 15 resistance.
In above-mentioned arbitrary technical scheme, preferably, described power supply indication comprises the 6th resistance and the first light-emitting diode.
In above-mentioned arbitrary technical scheme, preferably, described the 6th resistance and the first light-emitting diode are connected in series.
In above-mentioned arbitrary technical scheme, preferably, described Voltage-output indication comprises the 8th resistance and the second light-emitting diode.
In above-mentioned arbitrary technical scheme, preferably, described the 8th resistance and the second light-emitting diode are connected in series.
In above-mentioned arbitrary technical scheme, preferably, described heating panel is aluminum heating panel.
In above-mentioned arbitrary technical scheme, preferably, described triode adopts TIP127 type large power triode.
In above-mentioned arbitrary technical scheme, preferably, described combined knob is chequered with black and white pattern.
Car bulb by-pass cock of the present utility model comprises the combination in any of above various features.
Car bulb by-pass cock of the present utility model adopts chequered with black and white combination light-control knob, by rolling light-control knob, can realize six grades of different Voltage-outputs, its inner pwm pulse adjustment circuit that adopts, and install in the circuit board aluminium heating panel additional, the car bulb by-pass cock of this structure can be applicable to various panel board background luminances adjustings, headlight brightness regulation and headlight angular adjustment, is widely used in all kinds of light trucks, heavy truck and car field.
The technical scheme of car bulb by-pass cock of the present utility model has following beneficial effect:
1. adopt chequered with black and white knob combination, can judge Voltage-output size according to the position of white knob, white knob portion rotation is more, and background light is brighter, and output voltage is higher, otherwise contrary; White knob changes consistent, vivid with output voltage;
2. internal circuit adopts PWM pulse-width regulated scheme, and duty ratio is adjustable continuously, and circuit efficiency is higher, and heating reduces relatively;
3. according to client's requirement, can change easily gear and identifier;
4. large power triode adopts aluminium heating panel, dispel the heat faster and stable performance;
5. wiring board contact adopts craft of gilding, coordinates beryllium-bronze movable contact spring, contact better, more wear-resisting, longer service life.
Car bulb by-pass cock of the present utility model, good looking appearance, easy for installation, version is various, can design according to client's requirement the car bulb by-pass cock of different gears, different stroke, different identification pattern, different voltage and circuit parameter.In circuit board, components and parts are selected paster encapsulation, computer solder technology, have guaranteed the stability of circuit.
Car bulb by-pass cock of the present utility model, no matter at aspects such as profile, practicality, economy, reliabilities all more similar switch be significantly improved, meet development of automobile trend.
Accompanying drawing explanation
Fig. 1 is the structural representation of car bulb by-pass cock of a kind of roller type shift structure of prior art;
Fig. 2 is a kind of structural representation that adopts the car bulb by-pass cock that rotarily drives an adjustable resistance structure of roller of prior art;
Fig. 3 is according to the external structure schematic diagram of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Fig. 4 is according to the assembling decomposing schematic representation of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Fig. 5 is according to the internal structure schematic diagram of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Fig. 6 is according to the internal structure end view of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Fig. 7 is according to the internal structure upward view of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Fig. 8 is according to the internal structure vertical view of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Fig. 9 is according to the movable contact spring structural representation of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Figure 10 is according to the spheroid of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model and spring position schematic diagram;
Figure 11 is according to the circuit theory diagrams of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model;
Figure 12 is according to the wiring board schematic diagram of a preferred embodiment of a kind of car bulb by-pass cock of the present utility model.
Reference numeral:
1. upper cover, 2. movable contact spring, 3. icon board, 4. housing, 5. leaded light bar, 6. the first light-control knob, 7. the second light-control knob, 8. positioning sleeve, 9. steel ball, 10. spring, 11. heating panels, 12. inserted sheets, 13. wiring boards, 14. cross small pan head screws, 15. elastic washers.
Embodiment
Below in conjunction with accompanying drawing, content of the present utility model is described, following description is only exemplary and indicative, should not have any restriction to protection range of the present utility model.
Car bulb by-pass cock is mainly the process with the large electric current of Small current control, and the input voltages different to each gear compare and enlarge, thereby drives the size of the make-and-break time change output voltage of large power triode.As shown in Figure 4, be mainly divided into machinery and circuit two parts in internal structure, mechanical aspects is mainly by the rotation of the first light-control knob 6, thereby drives relatively moving of 4 of steel ball 9, spring 10 and housings, thereby six gears having realized switch are changed.Switch total kilometres are 90 degree, and single stroke is 15 degree.Movable contact spring 2 is installed in the first light-control knob 6, and the rotation by the first light-control knob 6 also drives relatively moving of movable contact spring 2 simultaneously.The each gear rotating of the first light-control knob 6 is different, also makes movable contact spring 2 each and contact difference on wiring board 13, has realized the difference of the input voltage of each gear by the dividing potential drop effect of resistance on wiring board 13.The input in the same way of the voltage access dual operational amplifier of input, exports by the voltage ratio with inverting input conducting and the cut-off that a signal is controlled large power triode more afterwards, thereby reaches the order ground of controlling output voltage.In circuit, adopt pwm control circuit, in present Switching Power Supply, also extensively used sort circuit structure.The duty ratio (ON time) of controlling triode according to the size of input voltage, such advantage is: improved circuit efficiency, reduced the heating of triode.On triode, installed heating panel additional, made triode performance more stable, greatly improved the reliability of product simultaneously.
As shown in Fig. 5 to Figure 10, a kind of car bulb by-pass cock, comprise upper cover 1, icon board 3, housing 4, combined knob, wiring board 13, housing 4 is built-in with steel ball 9, spring 10, movable contact spring 2, leaded light bar 5, positioning sleeve 8, and housing 4 engages assembling with upper cover 1, icon board 3.Combined knob is chequered with black and white pattern, and it comprises the first light-control knob 7, the second light-control knob 6; The first light-control knob 7 is connected with wiring board 13 with the second light-control knob 6, and regulation output voltage and circuit parameter can be realized six grades of different Voltage-outputs by rolling light-control knob.
Car bulb by-pass cock adopts pwm pulse adjustment circuit, has dual operational amplifier, triode Q1, light-emitting diode, resistance, capacity cell on wiring board 13.
Steel ball 9 and spring 10 are installed in the first light-control knob 7, and cooperatively interact to realize the switching of gear.The first light-control knob 7 is installed on upper cover 1, and engages assembling with the second light-control knob 1.The first light-control knob 7 rotates and drives steel ball 9 and spring 10 to realize the switching of different gears, drives movable contact spring 2 to realize the voltage input of different gears simultaneously.Movable contact spring 2 is installed in the first light-control knob 7, and it contacts with the gold plated contact on wiring board 13.Positioning sleeve 8 is installed on the first light-control knob 7, in order to fixing circuit board 13, prevents from that it from moving up and down to cause movable contact spring 2 loose contacts.One of leaded light bar 5 is arranged on described upper cover 1, and other end is connected with wiring board 13.Housing 4 and upper cover 1 engage assembling, and its inner fixed installation wiring board 13, to coordinate the first light-control knob 7 to realize the switching of gear.Icon board 3 be pasted and fixed on upper cover 1 above.Wiring board 13 has heating panel 11 and inserted sheet 12.Leaded light bar 5 reflexes to the light that in wiring board 13, light-emitting diode sends in described icon board 3, realizes the effect of legend indication.Heating panel 11 is aluminum heating panel, and it is fixedly mounted on wiring board 13, for the heat radiation of wiring board 13 triode Q1 elements.Triode Q1 is fixed on heating panel 11 by cross small pan head screw 14 and elastic washer 15.Inserted sheet 12 is weldingly fixed in wiring board 13, realizes the input and output of circuit.Contact on wiring board 13 adopts craft of gilding, and is combined with beryllium-bronze movable contact spring.Welding electronic elements on wiring board 13 is fixed, and surface is encapsulated in housing 4 after being coated with insulating paint.
As shown in Figure 11 to Figure 12, pwm pulse adjustment circuit has comparison amplifying circuit, voltage input circuit, voltage follower circuit, power supply indication, Voltage-output indication.Dual operational amplifier comprises first operational amplifier IC1-B the second operational amplifier IC1-A.The pin three of the second operational amplifier IC1-A and the pin of the first operational amplifier IC1-B five are in-phase input end, the pin two of the second operational amplifier IC1-A and the second operational amplifier IC1-B pin six are inverting input, and the pin one of the second operational amplifier IC1-A and the pin of the first operational amplifier IC1-B seven are output.The first operational amplifier IC1-B and the first resistance R 1, the second resistance R 2, the 3rd resistance R 3, the 4th resistance R 4, the first capacitor C 1 form a pwm pulse width adjusting vibration, make to input on the pin six of the first operational amplifier IC1-B and the second operational amplifier IC1-A pin two that a frequency is fixed, the signal of change in voltage.The second operational amplifier IC1-A and the 5th resistance R 5, the second capacitor C 2, triode Q1 constituent ratio are compared with amplifying circuit and voltage follower circuit, and triode Q1 adopts TIP127 type large power triode.Voltage input circuit comprises the 9th resistance R 9, the tenth resistance R the 10, the 11 resistance R the 11, the 12 resistance R the 12, the 13 resistance R the 13, the 14 resistance R the 14, the 15 resistance R 15.Power supply indication comprises the 6th resistance R 6 and the first LED 1.The 6th resistance R 6 and the first LED 1 are connected in series.Voltage-output indication comprises the 8th resistance R 8 and the second LED 2.The 8th resistance R 8 and the second LED 2 are connected in series.
In concrete enforcement, can, according to gear and the identifier of client's requirement change car bulb by-pass cock, be designed to the switch of different gears, different stroke, different identification pattern, different voltage, different circuit parameters.
Upper cover supports and fixes the second light-control knob, the first light-control knob, icon board, leaded light bar, and while and housing assemble, and it has determined profile and the installation dimension of whole product.Movable contact spring is installed in the first light-control knob, contacts with the gold plated contact on wiring board, realizes the input of different gears by the rotation of the first light-control knob.Icon board is pasted and fixed on and covers, and plays the mark action of product, similar with relay indicating light principle on automobile instrument panel.Housing and upper cover assembling, the installation dimension of decision product.Enclosure interior fixing circuit board, coordinates the first light-control knob to realize the handoff functionality of gear simultaneously.One, leaded light bar is arranged on and covers, and other end is connected with wiring board.The light that light-emitting diode in wiring board is sent reflexes in icon board and goes, and realizes the effect of legend indication.The second light-control knob and the first light-control knob are assembled together, and when rotating, can judge according to the position of the second light-control knob the size of output voltage.The first light-control knob is arranged on upper cover, and the second light-control knob is fitted together, and drives steel ball and spring to realize the switching of different gears during rotation, and the voltage that simultaneously makes movable contact spring realize different gears by rotation is inputted.Positioning sleeve is installed on the first light-control knob, is mainly used in fixing circuit board, prevents from that it from moving up and down to cause movable contact spring loose contact.Steel ball is installed in the first light-control knob, realizes the switching effect of gear together with spring.Spring fitting, in the first light-control knob, is realized the switching of gear together with steel ball, determines the size of gear position operation power and the feel of switch simultaneously.Heating panel, for the heat radiation of wiring board large power triode element, is fixed on triode on heating panel by cross small pan head screw and elastic washer, makes properties of product more stable.Inserted sheet is welded in wiring board, realizes the input and output effect of the circuit of product.Wiring board is the core component of whole product, determines main performance and the parameter of product.After all welding electronic elements are good, surface packs in housing after coating insulating paint.
Main circuit will be comprised of a dual operational amplifier, adopts pwm pulse adjustment circuit.As shown in figure 11, when switch is during at 0 grade, the pin three of dual operational amplifier should be without earth resistance, so be input as high level.Although there is low and high level to change on pin two always, do not have all the time the voltage on pin three high, so pin one is output as high level, triode cut-off Non voltage output.When movable contact spring rotates to 1 grade, the tenth resistance R 10, by the series connection dividing potential drop effect of the 11 resistance R 11 to the 15 resistance R 15, declines the voltage of pin three to some extent, and the while is lower than the peak of input voltage on pin two.By discharging and recharging of the first capacitor C 1, make voltage on pin two higher than pin three, pin seven output low levels now, the output of triode Q1 conducting voltage.Voltage on pin two is during lower than pin three, pin seven output high level, and triode Q1 starts again cut-off.So circuit can change down by this always, export the square-wave signal of a variation.In like manner, when switch is got to the 6th grade, it is minimum that the voltage on pin three reaches comparatively speaking, and pin two voltages, difference maximum (increasing of change in voltage amplitude) between them, so triode Q1 ON time has lengthened, it is maximum that result output voltage also reaches.
Embodiment recited above is described preferred implementation of the present utility model; not the utility model scope is limited; design under spiritual prerequisite not departing from the utility model; various distortion and improvement that the common engineers and technicians in this area make the technical solution of the utility model, all should fall in the definite protection range of claims of the present utility model.
Claims (33)
1. a car bulb by-pass cock, comprises upper cover (1), icon board (3), housing (4), and housing (4) engages assembling with upper cover (1), icon board (3), it is characterized in that: also comprise combined knob, wiring board (13); Described combined knob is connected with described wiring board (13), regulation output voltage and circuit parameter.
2. car bulb by-pass cock as claimed in claim 1, is characterized in that: described housing (4) is built-in with steel ball (9), spring (10), movable contact spring (2), leaded light bar (5), positioning sleeve (8).
3. car bulb by-pass cock as claimed in claim 1, is characterized in that: described combined knob comprises the first light-control knob (7), the second light-control knob (6).
4. car bulb by-pass cock as claimed in claim 2, is characterized in that: described steel ball (9) and spring (10) are installed in the first light-control knob (7), and cooperatively interacts to realize the switching of gear.
5. car bulb by-pass cock as claimed in claim 3, is characterized in that: described the first light-control knob (7) is installed on upper cover (1), and engages assembling with described the second light-control knob (1).
6. the car bulb by-pass cock as described in claim 3 or 5, it is characterized in that: described the first light-control knob (7) rotates and drive steel ball (9) and spring (10) to realize the switching of different gears, drive movable contact spring (2) to realize the voltage input of different gears simultaneously.
7. car bulb by-pass cock as claimed in claim 2, is characterized in that: described movable contact spring (2) is installed in the first light-control knob (7), and it contacts with the gold plated contact on described wiring board (13).
8. car bulb by-pass cock as claimed in claim 2, is characterized in that: it is upper that described positioning sleeve (8) is installed on the first light-control knob (7), in order to fixing described wiring board (13), prevents from that it from moving up and down to cause movable contact spring (2) loose contact.
9. car bulb by-pass cock as claimed in claim 2, is characterized in that: one of described leaded light bar (5) is arranged on described upper cover (1) above, and other end is connected with described wiring board (13).
10. car bulb by-pass cock as claimed in claim 1, is characterized in that: described housing (4) and described upper cover (1) engage assembling, and its inner fixed installation wiring board (13), to coordinate the first light-control knob (7) to realize the switching of gear.
11. car bulb by-pass cockes as claimed in claim 1, is characterized in that: described icon board (3) be pasted and fixed on described upper cover (1) above.
12. car bulb by-pass cockes as claimed in claim 1, is characterized in that: described wiring board (13) has heating panel (11) and inserted sheet (12).
13. car bulb by-pass cockes as claimed in claim 1, is characterized in that: on described wiring board (13), also have dual operational amplifier, triode (Q1), light-emitting diode, resistance, capacity cell.
14. car bulb by-pass cockes as described in claim 2 or 9, is characterized in that: the light that described leaded light bar (5) sends light-emitting diode in described wiring board (13) reflexes in described icon board (3), to realize the effect of legend indication.
15. car bulb by-pass cockes as claimed in claim 12, is characterized in that: it is upper that described heating panel (11) is fixedly mounted on described wiring board (13), for the heat radiation of wiring board (13) triode (Q1) element.
16. car bulb by-pass cockes as claimed in claim 13, is characterized in that: described triode is fixed on heating panel (11) by cross small pan head screw (14) and elastic washer (15).
17. car bulb by-pass cockes as claimed in claim 12, is characterized in that: described inserted sheet (12) is weldingly fixed in described wiring board (13), for the input and output of circuit.
18. car bulb by-pass cockes as described in any one in claim 1,12 or 13, is characterized in that: the contact on described wiring board (13) adopts craft of gilding, and is combined with beryllium-bronze movable contact spring.
19. car bulb by-pass cockes as described in any one in claim 1,12 or 13, is characterized in that: the welding electronic elements on described wiring board (13) is fixed, and surface is encapsulated in housing (4) after being coated with insulating paint.
20. car bulb by-pass cockes as described in any one in claim 1,12 or 13, is characterized in that: described wiring board (13) adopts pwm pulse adjustment circuit.
21. car bulb by-pass cockes as claimed in claim 13, is characterized in that: described dual operational amplifier comprises the first operational amplifier (IC1-B) and the second operational amplifier (IC1-A).
22. car bulb by-pass cockes as claimed in claim 20, is characterized in that: described pwm pulse adjustment circuit comprises comparison amplifying circuit, voltage input circuit, voltage follower circuit, power supply indication, Voltage-output indication.
23. car bulb by-pass cockes as claimed in claim 21, it is characterized in that: the pin five of the pin three of described the second operational amplifier (IC1-A) and the first operational amplifier (IC1-B) is in-phase input end, the pin six of the pin two of the second operational amplifier (IC1-A) and the first operational amplifier (IC1-B) is inverting input, and the pin seven of the pin one of the second operational amplifier (IC1-A) and the first operational amplifier (IC1-B) is output.
24. car bulb by-pass cockes as claimed in claim 21, it is characterized in that: described the first operational amplifier (IC1-B) and the first resistance (R1), the second resistance (R2), the 3rd resistance (R3), the 4th resistance (R4), the first electric capacity (C1) form a pwm pulse width adjusting vibration, make to input on the pin six of the first operational amplifier (IC1-B) and the pin two of the second operational amplifier (IC1-A) that a frequency is fixed, the signal of change in voltage.
25. car bulb by-pass cockes as claimed in claim 21, is characterized in that: described the second operational amplifier (IC1-A) and the 5th resistance (R5), the second electric capacity (C2), triode (Q1) constituent ratio are compared with amplifying circuit and voltage follower circuit.
26. car bulb by-pass cockes as claimed in claim 22, is characterized in that: described voltage input circuit comprises the 9th resistance (R9), the tenth resistance (R10), the 11 resistance (R11), the 12 resistance (R12), the 13 resistance (R13), the 14 resistance (R14), the 15 resistance (R15).
27. car bulb by-pass cockes as claimed in claim 22, is characterized in that: described power supply indication comprises the 6th resistance (R6) and the first light-emitting diode (LED1).
28. car bulb by-pass cockes as claimed in claim 27, is characterized in that: described the 6th resistance (R6) and the first light-emitting diode (LED1) are connected in series.
29. car bulb by-pass cockes as claimed in claim 22, is characterized in that: described Voltage-output indication comprises the 8th resistance (R8) and the second light-emitting diode (LED2).
30. car bulb by-pass cockes as claimed in claim 29, is characterized in that: described the 8th resistance (R8) and the second light-emitting diode (LED2) are connected in series.
31. car bulb by-pass cockes as described in claim 12 or 15, is characterized in that: described heating panel is aluminum heating panel.
32. car bulb by-pass cockes as claimed in claim 13, is characterized in that: described triode (Q1) adopts TIP127 type large power triode.
33. car bulb by-pass cockes as claimed in claim 1, is characterized in that: described combined knob is chequered with black and white pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320528353.XU CN203434060U (en) | 2013-08-28 | 2013-08-28 | Automobile light adjusting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320528353.XU CN203434060U (en) | 2013-08-28 | 2013-08-28 | Automobile light adjusting switch |
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| Publication Number | Publication Date |
|---|---|
| CN203434060U true CN203434060U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320528353.XU Expired - Fee Related CN203434060U (en) | 2013-08-28 | 2013-08-28 | Automobile light adjusting switch |
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| Country | Link |
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| CN (1) | CN203434060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632853A (en) * | 2016-01-11 | 2016-06-01 | 无锡大星电子有限公司 | Automobile headlamp switch |
| CN109378242A (en) * | 2018-10-31 | 2019-02-22 | 瑞立集团瑞安汽车零部件有限公司 | Commercial vehicle rotary switch |
-
2013
- 2013-08-28 CN CN201320528353.XU patent/CN203434060U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632853A (en) * | 2016-01-11 | 2016-06-01 | 无锡大星电子有限公司 | Automobile headlamp switch |
| CN105632853B (en) * | 2016-01-11 | 2018-05-25 | 乐星汽车技术（无锡）有限公司 | A kind of vehicle front lighting lamp switch |
| CN109378242A (en) * | 2018-10-31 | 2019-02-22 | 瑞立集团瑞安汽车零部件有限公司 | Commercial vehicle rotary switch |
| CN109378242B (en) * | 2018-10-31 | 2023-09-19 | 瑞立集团瑞安汽车零部件有限公司 | Knob switch for commercial vehicle |
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Granted publication date: 20140212 Termination date: 20190828 |