CN205141640U - All -in -one split machine power - Google Patents
All -in -one split machine power Download PDFInfo
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- CN205141640U CN205141640U CN201520777531.1U CN201520777531U CN205141640U CN 205141640 U CN205141640 U CN 205141640U CN 201520777531 U CN201520777531 U CN 201520777531U CN 205141640 U CN205141640 U CN 205141640U
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Abstract
The utility model discloses an all -in -one split machine power, its characterized in that: including rectifying and wave -filtering unit, 12V direct current output unit, shutoff protected location and power management unit, rectifying and wave -filtering unit output is connected with 12V direct current output unit and power management unit, and the power management unit output is connected with the shutoff protected location, turn -offs the protected location and is connected with 12V direct current output unit. The utility model discloses an all -in -one split machine power combines two sets of power module together to adopt power management chip TNY275P to realize that the voltage output detection realizes the excessive pressure with the shutoff protection circuit and turn -offs, when the voltage unstability appearing, power management chip TNY275P control shutoff protection circuit turn -offs the output voltage bypass, and the protection circuit is not damaged. Its reasonable in design, good reliability, simple to operate, the cost is lower, the commonality is strong, life is longer, convenient to popularize and use.
Description
Technical field
The utility model relates to power technique fields, especially relates to a kind of all-in-one split air conditioner power supply.
Background technology
At present; conventional Switching Power Supply is single module mostly; its power output end does not have the overvoltage protection design of voltage stabilizing circuit; versatility is strong, spread of voltage, high-low pressure unit load in mixture the life-span together short, install inconvenient; and easily there is in voltage instability timing the hidden danger burning out circuit element, serviceability is poor.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art; a kind of all-in-one split air conditioner power supply is provided; two groups of power modules combine by all-in-one split air conditioner power supply of the present utility model; and adopt power management chip TNY275P to realize voltage output detections and cut-off protection circuit to realize overvoltage and turn off; when occurring voltage instability timing; power management chip TNY275P controls cut-off protection circuit and turns off output voltage bypass, and protective circuit is not damaged.It is reasonable in design, good reliability, easy for installation, cost is lower, highly versatile, useful life are longer, is convenient to promote the use of.
For solving the problems of the technologies described above; the technical solution adopted in the utility model is: a kind of all-in-one split air conditioner power supply; it is characterized in that: comprise rectification filtering unit, 12V DC output unit, turn-off protection unit and Power Management Unit; described rectification filtering unit output is connected with 12V DC output unit and Power Management Unit; described Power Management Unit output is connected with turn-off protection unit, and described turn-off protection unit is connected with 12V DC output unit.
Above-mentioned a kind of all-in-one split air conditioner power supply, it is characterized in that: described rectification filtering unit comprises the piezo-resistance R1 in parallel with mains electricity input end, filter capacitor C0, and the common mode inductance L1 for eliminating electromagnetic interference to connect with mains electricity input end, described common mode inductance L1 output is by being connected with rectifier bridge B1 with two series capacitance C1 of its parallel connection, described rectifier bridge B1 output successively with electrochemical capacitor C2, C3 is in parallel, described electric capacity C2 one end, series inductance L2 between electric capacity C3 one end, the described electric capacity C2 other end, series inductance L3 and resistance R2 between the electric capacity C3 other end.
Above-mentioned a kind of all-in-one split air conditioner power supply, it is characterized in that: described Power Management Unit is the circuit based on power management chip TNY275P, described power management chip TNY275P is connected with the elementary of transformer EE19, described transformer EE19 elementary voltage stabilizing didoe D1, diode D2 with connecting is overall in parallel, described rectification filtering unit output be also connected with resistance R3, R4 of connecting between Power Management Unit.
Above-mentioned a kind of all-in-one split air conditioner power supply; it is characterized in that: described turn-off protection unit comprises the photoelectrical coupler PC817 be connected with Power Management Unit output; described photoelectrical coupler PC817 mono-output is connected with 12V DC output unit by resistance R5; described another output of photoelectrical coupler PC817 is connected with voltage stabilizing didoe Q1 negative pole; described voltage stabilizing didoe Q1 is in parallel with electrochemical capacitor C7; described another output of photoelectrical coupler PC817 is also connected with 12V DC output unit by resistance R6, described voltage stabilizing didoe Q1 plus earth.
Above-mentioned a kind of all-in-one split air conditioner power supply, it is characterized in that: described 12V DC output unit is two groups, wherein first group of 12V DC output circuit comprises secondary rectifier diode D3, the L4 connected successively with transformer EE19, and with electric capacity C8, C9, C10, C11 secondary in parallel successively of transformer EE19; Second group of 12V DC output circuit comprises secondary rectifier diode D4, the L5 connected successively with transformer EE19, and with electric capacity C12, C13, C14, C15 secondary in parallel successively of transformer EE19.
Above-mentioned a kind of all-in-one split air conditioner power supply, it is characterized in that: described rectification filtering unit is connected with the ground of first group of 12V DC output circuit by electric capacity C5, and described first group of 12V DC output circuit is connected by electric capacity C23 with the ground end of second group of 12V DC output circuit.
The utility model compared with prior art has the following advantages:
Two groups of power modules combine by all-in-one split air conditioner power supply of the present utility model; and adopt power management chip TNY275P to realize voltage output detections and cut-off protection circuit to realize overvoltage and turn off; when occurring voltage instability timing; power management chip TNY275P controls cut-off protection circuit and turns off output voltage bypass, and protective circuit is not damaged.It is reasonable in design, good reliability, easy for installation, cost is lower, highly versatile, useful life are longer, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 be rectification filtering unit circuit theory diagrams of the present utility model and with peripheral circuit connection layout;
Fig. 2 be Power Management Unit circuit theory diagrams of the present utility model and with peripheral circuit connection layout;
Fig. 3 be turn-off protection element circuit schematic diagram of the present utility model and with peripheral circuit connection layout;
Fig. 4 be 12V DC output unit circuit theory diagrams of the present utility model and with peripheral circuit connection layout.
Embodiment
As Figure 1-4; a kind of all-in-one split air conditioner power supply; it is characterized in that: comprise rectification filtering unit 1,12V DC output unit 2, turn-off protection unit 3 and Power Management Unit 4; described rectification filtering unit 1 output is connected with 12V DC output unit 2 and Power Management Unit 4; described Power Management Unit 4 output is connected with turn-off protection unit 3, and described turn-off protection unit 3 is connected with 12V DC output unit 2.
In the present embodiment, described rectification filtering unit 1 comprises the piezo-resistance R1 in parallel with mains electricity input end, filter capacitor C0, and the common mode inductance L1 for eliminating electromagnetic interference to connect with mains electricity input end, described common mode inductance L1 output is by being connected with rectifier bridge B1 with two series capacitance C1 of its parallel connection, described rectifier bridge B1 output is in parallel with electrochemical capacitor C2, C3 successively, series inductance L2 between described electric capacity C2 one end, electric capacity C3 one end, series inductance L3 and resistance R2 between the described electric capacity C2 other end, the electric capacity C3 other end.
In the present embodiment, described Power Management Unit 4 is the circuit based on power management chip TNY275P, described power management chip TNY275P is connected with the elementary of transformer EE19, described transformer EE19 elementary voltage stabilizing didoe D1, diode D2 with connecting is overall in parallel, described rectification filtering unit 1 output be also connected with resistance R3, R4 of connecting between Power Management Unit 4.
In the present embodiment; described turn-off protection unit 3 comprises the photoelectrical coupler PC817 be connected with Power Management Unit 4 output; described photoelectrical coupler PC817 mono-output is connected with 12V DC output unit 2 by resistance R5; described another output of photoelectrical coupler PC817 is connected with voltage stabilizing didoe Q1 negative pole; described voltage stabilizing didoe Q1 is in parallel with electrochemical capacitor C7; described another output of photoelectrical coupler PC817 is also connected with 12V DC output unit 2 by resistance R6, described voltage stabilizing didoe Q1 plus earth.
In the present embodiment, described 12V DC output unit 2 is two groups, wherein first group of 12V DC output circuit comprises secondary rectifier diode D3, the L4 connected successively with transformer EE19, and with electric capacity C8, C9, C10, C11 secondary in parallel successively of transformer EE19; Second group of 12V DC output circuit comprises secondary rectifier diode D4, the L5 connected successively with transformer EE19, and with electric capacity C12, C13, C14, C15 secondary in parallel successively of transformer EE19.
In the present embodiment, described rectification filtering unit 1 is connected with the ground of first group of 12V DC output circuit by electric capacity C5, and described first group of 12V DC output circuit is connected by electric capacity C23 with the ground end of second group of 12V DC output circuit.
First this power supply passes through rectification filtering unit 1 by AC/DC85-260V voltage filtering electromagnetic interference successively, rectification, transformer EE19 is input to after filtering, transformer EE19 exports less direct current with suitable transformation ratio respectively two-way is secondary, the direct current of two groups of 12V is exported again through the rectifying and wave-filtering process of 12V DC output unit 2, wherein power management chip TNY275P is integrated with power MOSFET, oscillator, high-voltage switch gear current source, current limitation (user is optional) and Thermal shutdown circuit, when by transformer EE19 is elementary, it detects that input voltage is excessive, its output exports high level, photoelectrical coupler PC817 conducting, the voltage being now added in voltage stabilizing didoe Q1 exceedes its voltage stabilizing value reverse breakdown, the 12V output of 12V DC output circuit switches to ground, 12V DC output circuit is temporarily quit work, serve the effect of overvoltage protection.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every above embodiment is done according to the utility model technical spirit any simple modification, change and equivalent structure change, all still belong in the protection range of technical solutions of the utility model.
Claims (6)
1. an all-in-one split air conditioner power supply; it is characterized in that: comprise rectification filtering unit (1), 12V DC output unit (2), turn-off protection unit (3) and Power Management Unit (4); described rectification filtering unit (1) output is connected with 12V DC output unit (2) and Power Management Unit (4); described Power Management Unit (4) output is connected with turn-off protection unit (3), and described turn-off protection unit (3) is connected with 12V DC output unit (2).
2. according to a kind of all-in-one split air conditioner power supply according to claim 1, it is characterized in that: described rectification filtering unit (1) comprises the piezo-resistance R1 in parallel with mains electricity input end, filter capacitor C0, and the common mode inductance L1 for eliminating electromagnetic interference to connect with mains electricity input end, described common mode inductance L1 output is by being connected with rectifier bridge B1 with two series capacitance C1 of its parallel connection, described rectifier bridge B1 output successively with electrochemical capacitor C2, C3 is in parallel, described electric capacity C2 one end, series inductance L2 between electric capacity C3 one end, the described electric capacity C2 other end, series inductance L3 and resistance R2 between the electric capacity C3 other end.
3. according to a kind of all-in-one split air conditioner power supply according to claim 1, it is characterized in that: described Power Management Unit (4) is the circuit based on power management chip TNY275P, described power management chip TNY275P is connected with the elementary of transformer EE19, elementary voltage stabilizing didoe D1, the diode D2 with connecting of described transformer EE19 is overall in parallel, is also connected with resistance R3, R4 of connecting between described rectification filtering unit (1) output with Power Management Unit (4).
4. according to a kind of all-in-one split air conditioner power supply according to claim 1, it is characterized in that: described turn-off protection unit (3) comprises the photoelectrical coupler PC817 be connected with Power Management Unit (4) output, described photoelectrical coupler PC817 mono-output is connected with 12V DC output unit (2) by resistance R5, described another output of photoelectrical coupler PC817 is connected with voltage stabilizing didoe Q1 negative pole, described voltage stabilizing didoe Q1 is in parallel with electrochemical capacitor C7, described another output of photoelectrical coupler PC817 is also connected with 12V DC output unit (2) by resistance R6, described voltage stabilizing didoe Q1 plus earth.
5. according to a kind of all-in-one split air conditioner power supply according to claim 1, it is characterized in that: described 12V DC output unit (2) is two groups, wherein first group of 12V DC output circuit comprises secondary rectifier diode D3, the L4 connected successively with transformer EE19, and with electric capacity C8, C9, C10, C11 secondary in parallel successively of transformer EE19; Second group of 12V DC output circuit comprises secondary rectifier diode D4, the L5 connected successively with transformer EE19, and with electric capacity C12, C13, C14, C15 secondary in parallel successively of transformer EE19.
6. according to a kind of all-in-one split air conditioner power supply according to claim 1, it is characterized in that: described rectification filtering unit (1) is connected with the ground of first group of 12V DC output circuit by electric capacity C5, described first group of 12V DC output circuit is connected by electric capacity C23 with the ground end of second group of 12V DC output circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777531.1U CN205141640U (en) | 2015-10-09 | 2015-10-09 | All -in -one split machine power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520777531.1U CN205141640U (en) | 2015-10-09 | 2015-10-09 | All -in -one split machine power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205141640U true CN205141640U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520777531.1U Expired - Fee Related CN205141640U (en) | 2015-10-09 | 2015-10-09 | All -in -one split machine power |
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| Country | Link |
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| CN (1) | CN205141640U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262058A (en) * | 2015-10-09 | 2016-01-20 | 无锡众扬金属制品有限公司 | All-in-one split machine power supply |
| CN105356768A (en) * | 2015-12-09 | 2016-02-24 | 许昌学院 | Electric source for both all-in-one machine and split machine and work method thereof |
-
2015
- 2015-10-09 CN CN201520777531.1U patent/CN205141640U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262058A (en) * | 2015-10-09 | 2016-01-20 | 无锡众扬金属制品有限公司 | All-in-one split machine power supply |
| CN105356768A (en) * | 2015-12-09 | 2016-02-24 | 许昌学院 | Electric source for both all-in-one machine and split machine and work method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20161009 |
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| CF01 | Termination of patent right due to non-payment of annual fee |