CN206595751U - Possesses the charger of automatic identification input voltage function - Google Patents
Possesses the charger of automatic identification input voltage function Download PDFInfo
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- CN206595751U CN206595751U CN201720006889.3U CN201720006889U CN206595751U CN 206595751 U CN206595751 U CN 206595751U CN 201720006889 U CN201720006889 U CN 201720006889U CN 206595751 U CN206595751 U CN 206595751U
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- direct current
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a kind of charger for possessing automatic identification input voltage function, including collection alternating current and it is rectified into the first direct current and to the sample circuit of its partial pressure, relay, when the voltage of the first direct current is less than setting value, control relay is turned on, the control circuit that control relay is not turned on when the voltage of first direct current is higher than setting value, when relay is turned on by AC rectification be the second direct current, when relay is not turned on by AC rectification receives the second direct current for directly transmitting of bridge rectifier for the bridge rectifier of the 4th direct current and simultaneously and is transmitted by relay the second direct current and pair while the two direct currents filtering transmitted is to export the 3rd direct current, receive the 4th direct current that transmits of bridge rectifier and the 4th direct current is filtered to export the filter circuit of the 3rd direct current.Charger either Europe superscript or American Standard voltage can normal work, energy-efficient, safety easy to use is workable, without manual switching.
Description
Technical field
The utility model is related to a kind of charger, more particularly to a kind of charging for possessing automatic identification input voltage function
Device.
Background technology
General traditional battery charger input is mainly made up of single rectification and filtering, and circuit is fairly simple.Tradition
The input voltage of charger be usually narrow voltage range, be not suitable for multiple countries and use, the charger can only adapt to city's voltage
Consistent country, it is necessary to distinguish the voltage range of Europe superscript and American Standard, if the charger and the voltage of American Standard of the voltage of Europe superscript
It is breakneck that charger exchange, which is used, meanwhile, input voltage range is gone through, prevents dangerous and blast, i.e.,
This kind of charger circuit is used, but charging circuit reliability and security and operability are greatly reduced, it is easy to lead
Short circuit is caused, produces and damages and dangerous.
Utility model content
The problem of the utility model exists for prior art and deficiency possess automatic identification input voltage work(there is provided one kind
The charger of energy.
The utility model is to solve above-mentioned technical problem by following technical proposals：
The utility model provides a kind of charger for possessing automatic identification input voltage function, and its feature is that it includes
One be used for gather the alternating current and be rectified into one first direct current and to first direct current carry out partial pressure sample circuit, one after
Electrical equipment, one is used to controlling relay conducting when the voltage of first direct current is less than a setting magnitude of voltage, first straight at this
The control circuit for controlling the relay to be not turned on when electric voltage is higher than the setting magnitude of voltage, one are flowed in relay conducting
When by the AC rectification be one second direct current, when the relay is not turned on by the AC rectification be one the 4th direct current
Bridge rectifier and one be used for simultaneously receive the bridge rectifier directly transmission come the second direct current and by this after
Second direct current and pair two direct currents transmitted simultaneously that electrical equipment transmission comes are filtered to export one the 3rd direct current, connect
Receive the 4th next direct current of bridge rectifier transmission and the 4th direct current is filtered to export the 3rd direct current
Filter circuit；
The bridge rectifier and the sample circuit incoming transport electricity, and the bridge rectifier respectively with the relay and
The filter circuit is electrically connected, and the sample circuit electrically connects with the control circuit, and the control circuit is electrically connected with the relay, this after
Electrical equipment is electrically connected with the filter circuit.
It is preferred that the sample circuit includes one the 5th diode, one the 6th diode, one the 3rd electric capacity, a 3rd resistor
With one the 4th resistance；
The anode of 5th diode is electrically connected with transmitting the live wire of the alternating current, the negative electrode of the 5th diode respectively with
One end of 3rd electric capacity, one end electrical connection of the 3rd resistor, the anode of the 6th diode is with transmitting the zero of the alternating current
Line electrical connection, negative electrode are electrically connected with one end of the 3rd electric capacity, and the other end of the 3rd electric capacity is grounded, the 3rd resistor it is another
End is accessed between the 3rd resistor and the 4th resistance by the 4th resistance eutral grounding, the control circuit.
It is preferred that the control circuit includes an integrated package, a first resistor, a second resistance and a triode；
First pin of the integrated package is accessed between the 3rd resistor and the 4th resistance, the 3rd pin is grounded, second pin
Electrically connected by the second resistance with the base stage of the triode, a termination power, the other end and the integrated package of the first resistor
Second pin electrical connection, the grounded emitter of the triode, colelctor electrode are electrically connected with the relay.
It is preferred that the bridge rectifier includes one first diode, one second diode, one the 3rd diode and one the
Four diodes；
The plus earth of second diode, negative electrode are electrically connected by first diode with the filter circuit, and the 4th
The plus earth of diode, negative electrode are electrically connected by the 3rd diode with the filter circuit, and the live wire accesses the one or two pole
Between pipe and second diode, the zero line is accessed between the 3rd diode and the 4th diode.
It is preferred that the first pin of the relay is accessed, the zero line, second pin are electrically connected with the filter circuit, the 3rd draws
Pin connects power supply and the 4th pin is electrically connected with the colelctor electrode of the triode.
It is preferred that the filter circuit includes one first electric capacity and one second electric capacity, a termination output end of first electric capacity
Positive pole, the other end of first electric capacity one end respectively with second electric capacity, the second pin of the relay electrically connect, and this
Two electric capacity are grounded and connect respectively the negative pole of output end.
On the basis of common sense in the field is met, above-mentioned each optimum condition can be combined, produce the utility model it is each compared with
Good example.
Positive effect of the present utility model is：
When charger of the present utility model is electrically connected with city, input voltage can be judged with automatic detection, and according to different
Input voltage judges whether relay does switching action, make charger either Europe superscript voltage or American Standard the voltage even whole world its
His national input voltage can normal work, the utility model is energy-efficient, and safety easy to use is workable, without people
Work switches.
Brief description of the drawings
Fig. 1 is the structured flowchart of the charger of the utility model preferred embodiment.
Fig. 2 is the circuit diagram of the charger of the utility model preferred embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made all belongs to
The scope protected in the utility model.
As shown in figure 1, the present embodiment provides a kind of charger for possessing automatic identification input voltage function, it includes adopting
The control of sample circuit 1, one circuit 2, a relay 3, a bridge rectifier 4 and a filter circuit 5.
The bridge rectifier 4 and the incoming transport of sample circuit 1 electricity, and the bridge rectifier 4 respectively with the relay
Device 3 and the filter circuit 5 are electrically connected, and the sample circuit 1 is electrically connected with the control circuit 2, the control circuit 2 and the relay 3
Electrical connection, the relay 3 is electrically connected with the filter circuit 5.
The sample circuit 1 is used to gather the alternating current and is rectified into one first direct current, and first direct current is carried out
Partial pressure.
The control circuit 2 is used to, when the voltage of first direct current is less than a setting magnitude of voltage, control the relay 3 to lead
Logical, it is one second direct current that the bridge rectifier 4, which is used for the AC rectification, and second direct current is directly transferred to
The filter circuit 5, while by the relay 3 by second DC power transmission to the filter circuit 5, the filter circuit 5 is used for
Two direct currents transmitting are filtered to export one the 3rd direct current pair simultaneously.
The control circuit 2 is used to, when the voltage of first direct current is higher than the setting magnitude of voltage, control the relay 3 not
Conducting, it is one the 4th direct current that the bridge rectifier 4, which is used for the AC rectification, and the 4th direct current is directly transmitted
To the filter circuit 5, the filter circuit 5 is used to the 4th direct current is filtered to export the 3rd direct current.
Wherein, as shown in Fig. 2 the sample circuit 1 includes one the 5th diode D5, one the 6th diode D6, one the 3rd electricity
Hold C3, a 3rd resistor R3 and one the 4th resistance R4.
5th diode D5 anode is electrically connected with transmitting the live wire AC-L of the alternating current, the 5th diode D5 the moon
One end, the 3rd resistor R3 one end of pole respectively with the 3rd electric capacity C3 are electrically connected, the 6th diode D6 anode and biography
The zero line AC-N electrical connections of the defeated alternating current, negative electrode are electrically connected with the 3rd electric capacity C3 one end, and the 3rd electric capacity C3's is another
End ground connection, the 3rd resistor R3 other end be grounded by the 4th resistance R4, the control circuit 2 access 3rd resistor R3 with
Between 4th resistance R4.
The control circuit 2 includes an integrated package U4, a first resistor R1, a second resistance R2 and a triode Q1.
Integrated package U4 the first pin is accessed between 3rd resistor R3 and the 4th resistance R4, the 3rd pin ground connection, the
Two pins are electrically connected by second resistance R2 with triode Q1 base stage, a first resistor R1 termination power, another
End is electrically connected with integrated package U4 second pin, and the triode Q1 grounded emitter, colelctor electrode and relay K1 are electrically connected
Connect.
The bridge rectifier 4 includes one first diode D1, one second diode D2, one the 3rd diode D3 and 1 the
Four diode D4.
Second diode D2 plus earth, negative electrode are electrically connected by the first diode D1 with the filter circuit 5, should
4th diode D4 plus earth, negative electrode are electrically connected by the 3rd diode D3 with the filter circuit 5, and live wire AC-L connects
Enter between the first diode D1 and second diode D2, zero line AC-N accesses the 3rd diode R3 and the 4th diode
Between R4.
Relay K1 the first pin accesses that zero line AC-N, second pin are electrically connected with the filter circuit 5, the 3rd draws
Pin connects power supply and the 4th pin is electrically connected with triode Q1 colelctor electrode.
The filter circuit 5 includes one first electric capacity C1 and one second electric capacity C2, first electric capacity C1 termination output end
Vout+ positive pole, first electric capacity C1 other end one end respectively with second electric capacity C2, relay K1 second pin
Electrical connection, second electric capacity C2 is grounded and connect respectively the negative pole Vout- of output end.
Referring to Fig. 1 and 2, the operation principle of the charger is described in detail：
The condition of work of this circuit must assure that input power supply normally could normal work.Once live wire AC-L and zero line
When AC-N has the city to be electrically accessed, it is assumed that civil power is American Standard 120VAC, at this moment the 5th diode D5 and the 6th diode D6 rectifications, and logical
The 3rd electric capacity C3 filtering is crossed, smooth direct current is obtained and supplies electricity to 3rd resistor R3, the 4th resistance R4 partial pressures, 3rd resistor R3, the 4th
Resistance R4 designs partial pressure value in 132VAC, and because being 120VAC inputs, final 3rd resistor R3, the 4th resistance R4 partial pressures go out one low
Voltage, the low-voltage is less than 2.5V, and 1 pin that the low-voltage is transferred to integrated package U4 is compared, and integrated package U4 1 pin is less than setting
Magnitude of voltage 2.5V, then integrated package U4 2 pin be not turned on 3 pin, at this moment voltage VCC is given by first resistor R1 and second resistance R2
Triode Q1 base stage is powered, and driving triode Q1 conductings, triode Q1 causes 3 pin of relay K1 coils, 4 pin just after turning on
Have electric current to flow through, produce magnetic field and go adhesive shell fragment to turn on relay K1 1 pin and 2 pin, relay K1 1 pin and 2 pin are led
After logical, input voltage 120VAC has been directly connected to the first electric capacity C1 and the second electric capacity C2 intermediate ends, thus whole with bridge-type
The first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4 of current circuit form voltage multiplying rectifier electricity
Road, the use of voltage multiplying rectifier is 120VAC input voltage to be converted into the direct current with the stabilization input 230AC voltages
Voltage 300V is exported.
It is on the contrary, it is assumed that civil power is Europe superscript 230VAC input AC electricity, and at this moment the 5th diode D5, the 6th diode D6 are whole
Stream, and filtered by the 3rd electric capacity C3, obtain smooth direct current and supply electricity to 3rd resistor R3, the 4th resistance R4 partial pressures, 3rd resistor
R3, the 4th resistance R4 design partial pressure value in voltage 132VAC, because being 230VAC inputs, final 3rd resistor R3, the 4th resistance R4
Partial pressure goes out a high voltage, and the high voltage is more than 2.5V, and 1 pin that the high voltage is transferred to integrated package U4 is compared, integrated package U4
1 pin be more than setting magnitude of voltage 2.5V, then integrated package U4 2 pin and 3 pin are turned on, at this moment voltage VCC by first resistor R1 with
Integrated package U4 2 pin and 3 pin ground connection are voltage pull-down, and second resistance R2 no-voltages are supplied to triode Q1, then triode Q1 is cut
Only, 3 pin of relay K1 coils, 4 pin no currents are flowed through, and relay K1 1 pin and 2 pin are also not turned on simultaneously, relay K1's
Open-circuit condition is on bridge rectifier without influence, the first diode D1 of bridge rectifier, the second diode D2, the three or two pole
Pipe D3, the 4th diode D4 and the first electric capacity C1, the second electric capacity C2 are normal to 230VAC rectifying and wave-filterings, it is ensured that direct voltage of voltage regulation
300V is exported.
Accurate detection feedback is effectively protected battery and charger in itself above, has been also convenient for the use of user, nothing
By being that 120VAC or 230VAC can ensure normal work.
Although the foregoing describing embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations or repair to these embodiments on the premise of without departing substantially from principle of the present utility model and essence
Change, but these changes and modification each fall within protection domain of the present utility model.
Claims (6)
1. a kind of charger for possessing automatic identification input voltage function, it is characterised in that it, which includes one, is used to gather alternating current
And be rectified into one first direct current and first direct current is carried out the sample circuit of partial pressure, a relay, one be used for this
Relay conducting is controlled when the voltage of one direct current is less than a setting magnitude of voltage, set in the voltage of first direct current higher than this
Determine to control the relay to be not turned on during magnitude of voltage control circuit, one be used for when the relay is turned on be by the AC rectification
One second direct current, when the relay is not turned on by the AC rectification be one the 4th direct current bridge rectifier and one
For simultaneously receive the bridge rectifier directly transmission come the second direct current and by the relay transmit come this second
Direct current and pair simultaneously two direct currents transmitting are filtered to be passed with exporting one the 3rd direct current, receiving the bridge rectifier
Defeated the 4th next direct current simultaneously is filtered to export the filter circuit of the 3rd direct current to the 4th direct current；
The bridge rectifier and the sample circuit incoming transport electricity, and the bridge rectifier respectively with the relay and the filter
Wave circuit is electrically connected, and the sample circuit is electrically connected with the control circuit, and the control circuit is electrically connected with the relay, the relay
Electrically connected with the filter circuit.
2. the charger as claimed in claim 1 for possessing automatic identification input voltage function, it is characterised in that the sample circuit
Including one the 5th diode, one the 6th diode, one the 3rd electric capacity, a 3rd resistor and one the 4th resistance；
The anode of 5th diode is electrically connected with transmitting the live wire of the alternating current, the negative electrode of the 5th diode respectively with this
One end of three electric capacity, one end electrical connection of the 3rd resistor, the anode of the 6th diode and the zero line electricity for transmitting the alternating current
Connection, negative electrode are electrically connected with one end of the 3rd electric capacity, and the other end ground connection of the 3rd electric capacity, the other end of the 3rd resistor leads to
The 4th resistance eutral grounding is crossed, the control circuit is accessed between the 3rd resistor and the 4th resistance.
3. the charger as claimed in claim 2 for possessing automatic identification input voltage function, it is characterised in that the control circuit
Including an integrated package, a first resistor, a second resistance and a triode；
First pin of the integrated package is accessed between the 3rd resistor and the 4th resistance, the 3rd pin is grounded, second pin passes through
The second resistance is electrically connected with the base stage of the triode, a termination power of the first resistor, the of the other end and the integrated package
Two pins are electrically connected, and the grounded emitter of the triode, colelctor electrode are electrically connected with the relay.
4. the charger as claimed in claim 3 for possessing automatic identification input voltage function, it is characterised in that the bridge rectifier
Circuit includes one first diode, one second diode, one the 3rd diode and one the 4th diode；
The plus earth of second diode, negative electrode are electrically connected by first diode with the filter circuit, the four or two pole
The plus earth of pipe, negative electrode are electrically connected by the 3rd diode with the filter circuit, the live wire access first diode and
Between second diode, the zero line is accessed between the 3rd diode and the 4th diode.
5. the charger as claimed in claim 4 for possessing automatic identification input voltage function, it is characterised in that the relay
First pin access that the zero line, second pin are electrically connected with the filter circuit, the 3rd pin connects power supply and the 4th pin with should
The colelctor electrode electrical connection of triode.
6. the charger as claimed in claim 5 for possessing automatic identification input voltage function, it is characterised in that the filter circuit
Including one first electric capacity and one second electric capacity, the positive pole of a termination output end of first electric capacity, the other end of first electric capacity
One end respectively with second electric capacity, the second pin of the relay are electrically connected, and second electric capacity is grounded and connect respectively output end
Negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006889.3U CN206595751U (en) | 2017-01-04 | 2017-01-04 | Possesses the charger of automatic identification input voltage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720006889.3U CN206595751U (en) | 2017-01-04 | 2017-01-04 | Possesses the charger of automatic identification input voltage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595751U true CN206595751U (en) | 2017-10-27 |
Family
ID=60128460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720006889.3U Withdrawn - After Issue CN206595751U (en) | 2017-01-04 | 2017-01-04 | Possesses the charger of automatic identification input voltage function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595751U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787048A (en) * | 2017-01-04 | 2017-05-31 | 上海广为美线电源电器有限公司 | Possesses the charger of automatic identification input voltage function |
-
2017
- 2017-01-04 CN CN201720006889.3U patent/CN206595751U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787048A (en) * | 2017-01-04 | 2017-05-31 | 上海广为美线电源电器有限公司 | Possesses the charger of automatic identification input voltage function |
| CN106787048B (en) * | 2017-01-04 | 2023-10-27 | 上海广为美线电源电器有限公司 | Charger with function of automatically identifying input voltage |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171027 Effective date of abandoning: 20231027 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20171027 Effective date of abandoning: 20231027 |