CN2039884U - Voltage adjuster for automobile - Google Patents
Voltage adjuster for automobile Download PDFInfo
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- CN2039884U CN2039884U CN 88217983 CN88217983U CN2039884U CN 2039884 U CN2039884 U CN 2039884U CN 88217983 CN88217983 CN 88217983 CN 88217983 U CN88217983 U CN 88217983U CN 2039884 U CN2039884 U CN 2039884U
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- voltage
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- generator
- automobile
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Abstract
The utility model relates to a generator voltage adjuster for automobiles, mainly comprising a casing, connecting pieces, wire holders and an adjusting circuit, wherein, the adjusting circuit comprises a sampling voltage part, an amplifying switch part and a contact switch part, and the adjustor uses the electronic contact to control and adjust the voltage of the generator. The utility model has the advantages of small size, low power consumption, long service life, high adjusting sensitivity and small temperature rise, and can be widely used in motor vehicles such as the automatic control and adjustment of the generator voltage of automobiles.
Description
The utility model relates to control of alternating current generator operating voltage and regulation technology, in particular for the regulating and controlling of its operating voltage of motor vehicle alternator.
In the prior art, electric generators for automobile voltage regulator commonly used mainly adopts two kinds of working methods, be contact and contactless electron formula, in preceding a kind of working method, main by mechanical structure, utilize spring tension, the break-make of control switch circuit, assurance resets, and works to regulate charging voltage.This working method, exist big current work (～300mA), weak point such as the life-span is short, and the consumption of static exercise rate is big.Another kind of working method is the contactless electron formula, in the course of the work, always there is a pipe in running order, so static exercise consumption big (～10mA), when magnet exciting coil is powered, because pipe has saturation voltage drop, so temperature rise of pipe (～80 ℃～100 ℃), in order to dispel the heat, need additional heat sink, institute is so that the long-pending increase of regulator body.The voltage regulator that the utility model proposed adopts the contact electronic voltage regulating mode, can overcome above-mentioned two kinds of existing shortcomings of working method, because contact control, internal resistance is low, adopt the electronic circuit control contact, so it is little, highly sensitive to have a volume, low in energy consumption, advantages such as temperature rise is little, and the life-span is long, this is because the contact often is in cut-off state, and the spring of relay only plays reset response, so upper voltage limit is not limited.Transistor continuous operation three months, secondary break-make per hour, operating current 20mA does not damage.So the voltage regulator that the utility model proposed has certain technological progress than prior art.
The purpose of this utility model is to design the voltage regulator of the motorcar alternator that a kind of quiescent dissipation is little, volume is little, the life-span is long, temperature rise is few.
The automobile electrical voltage regulator of the utility model design is made up of shell, regulating circuit, connector and binding post.Regulating circuit is welded on the connector of printed circuit board (PCB) for example, and entire circuit is fixed and installed in the enclosure, and its terminals are drawn outside shell by binding post, and shell can be made with insulating material such as bakelite, plastics.Regulating circuit in the automobile electrical voltage regulator of the utility model design comprises sampling voltage part 1, amplifies switch sections 2, contact switch part 3, and wherein sampling voltage part 1 is by voltage stabilizing didoe D
1Form with potentiometer W, amplify switch sections 2 by resistance R
1, capacitor C
1And triode Q
1Form, contact switch part 3 is by protection diode D
2, relay J and often open, normally-closed contact So and Sc form.
Accompanying drawing 1 is the block diagram of regulating circuit in the voltage regulator.
Accompanying drawing 2 is line maps of regulating circuit in the voltage regulator.
Accompanying drawing 3 is outline drawings of the voltage regulator of design.
In accompanying drawing 1, part 1 is the sampling voltage part, and part 2 is for amplifying switch sections, and the 3rd part is the contact switch part. In accompanying drawing 2, D1The expression Zener diode, D2Expression protection diode, W represents potentiometer, R1The expression fixed carbon resister, C1The expression capacitor, Q represents triode, J represents miniature relay.
Be further described below in conjunction with operation principle and the characteristics of accompanying drawing to the utility model pressure regulator:
When the battery voltage of automobile is lower than the setting voltage of voltage regulator, suppose that this setting voltage is 13.2V, voltage stabilizing didoe D
1Conducting voltage be 10V, the A voltage of ordering is lower than 0.6V like this, so triode Q
1Because its basic emitter voltage is on the low side in 0.6V, not conducting, be in cut-off state, so do not have electric current to flow through in the relay J magnet exciting coil, this moment, relay was in release condition, and normally-closed contact Sc connects like this, and electric current is by the relay normally-closed contact, to the magnet exciting coil charging of generator, thereby make generator for electricity generation.
Work as generator for electricity generation, and be charged to when being higher than 13.2V to storage battery, the voltage that this moment, A order can increase gradually with the rising of supply voltage, above 0.6V the time, and triode Q
1To enter saturation condition along with the rising of basic emitter bias.Like this, have exciting current to flow through in the magnet exciting coil of relay J, make the relay J adhesive, normally opened contact So is connected, normally-closed contact Sc cuts off, and makes the magnet exciting coil of generator not have electric current to flow through, the generator generation outage.Therefore, by the connection of control normally-closed contact Sc, the disconnection of normally opened contact So, and the disconnection of the connection of normally opened contact So and normally-closed contact Sc just can be played the effect of regulation voltage effectively.
Characteristics by the represented each several part connecting circuit of accompanying drawing 2 are:
1. because automobile mostly is under steam and is in generator to the storage battery charged state, promptly supply voltage is lower than the setting voltage of adjuster, so described connecting circuit is in cut-off state always.Therefore, the power consumption of this circuit only is a leakage current (microampere order), and power consumption is lower than at present general any voltage regulator both at home and abroad.
Since described circuit working in cut-off state, so be higher than like product its useful life.
3. because the exciting current maximum of relay J is no more than 30mA, so the maximum power dissipation of this adjuster is no more than 0.4W.Temperature rise is not high, the phenomenon of generating heat can not occur, so its volume can be done forr a short time than like product.
4. because the normally-closed contact resistance of relay J is less than 0.1 ohm, so supply voltage is very little to its pressure drop of charging of the magnet exciting coil of generator through adjuster.
Embodiment: the parts that each several part adopted are, its voltage stabilizing value of voltage stabilizing didoe is 10.5V, and its resistance of potentiometer W is 1W1K, R
1Be 10 ohm 1/8W fixed carbon resister, capacitor C
1Be 0.1 μ/63V, its model of triode is 9013, and J is contact current 7A(12V) miniature circuit breaker, can make adjuster be applicable to dissimilar automobiles by regulating A point resistance.
The voltage adjuster for automobile that the utility model proposes. Can be used for the adjusting of various motor vehicles voltages, have long service life, quiescent dissipation is little, and only several milliamperes of zero points, the volume ratio like product of whole device is little, and the advantage such as in use temperature rise is low. Therefore can obtain application at automobile widely.
Claims (2)
1, the voltage regulator used of a kind of automobile, it is made up of shell, connector, binding post, regulating circuit, it is characterized in that: described regulating circuit comprises sampling voltage part 1, amplifies switch sections 2, contact switch part 3, wherein sampling voltage part 1 is by voltage stabilizing didoe D
1Form with potentiometer w, amplify switch sections 2 by resistance R
1, capacitor C
1And triode Q composition, contact switch part 3 is by protection diode D
2, relay J, and often open, normally-closed contact So and Sc form.
2, voltage regulator as claimed in claim 1 is characterized in that its voltage stabilizing value of described voltage stabilizing didoe is 10.5V, and potentiometer resistance is W
1=1W1K, resistance R is a fixed carbon resister, and R=10 Ω (1/8W), capacitor C
1Its appearance value C=0.1 μ/63V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217983 CN2039884U (en) | 1988-11-23 | 1988-11-23 | Voltage adjuster for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88217983 CN2039884U (en) | 1988-11-23 | 1988-11-23 | Voltage adjuster for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2039884U true CN2039884U (en) | 1989-06-21 |
Family
ID=4850459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88217983 Pending CN2039884U (en) | 1988-11-23 | 1988-11-23 | Voltage adjuster for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2039884U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103636104A (en) * | 2011-04-06 | 2014-03-12 | 电装制造意大利有限公司 | Voltage regulator for an alternator |
-
1988
- 1988-11-23 CN CN 88217983 patent/CN2039884U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103636104A (en) * | 2011-04-06 | 2014-03-12 | 电装制造意大利有限公司 | Voltage regulator for an alternator |
| CN103636104B (en) * | 2011-04-06 | 2016-09-07 | 电装制造意大利有限公司 | Pressure regulator for alternating current generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned | ||
| WD01 | Invention patent application deemed withdrawn after publication |