CN207720106U - A kind of high-efficiency and energy-saving type P+N raceway groove driving circuits - Google Patents
A kind of high-efficiency and energy-saving type P+N raceway groove driving circuits Download PDFInfo
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- CN207720106U CN207720106U CN201721897651.0U CN201721897651U CN207720106U CN 207720106 U CN207720106 U CN 207720106U CN 201721897651 U CN201721897651 U CN 201721897651U CN 207720106 U CN207720106 U CN 207720106U
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Abstract
The utility model discloses a kind of high-efficiency and energy-saving type P+N raceway groove driving circuits, including upper bridge circuit and lower bridge circuit；The upper bridge circuit includes resistance R30, resistance R34, NPN type triode Q12, resistance R22, resistance R16, NPN type triode Q5, PNP type triode Q8, diode D4, resistance R27, resistance R13, capacitance C6, P-channel metal-oxide-semiconductor U3；The lower bridge circuit includes resistance R43, resistance R44, NPN type triode Q18, resistance R41, resistance R37, NPN type triode Q16, PNP type triode Q17, resistance R38, resistance R39, diode D7, N-channel MOS pipe U6, capacitance CU1, resistance RU2.The utility model is charged to lower bridge circuit when upper bridge circuit is opened, by the upper bridge turning-on voltage that upper bridge circuit power end exports and uses, energy-efficient as the energy of opening of lower bridge circuit.
Description
Technical field
The utility model is related to motor drive area more particularly to a kind of high-efficiency and energy-saving type P+N raceway groove driving circuits.
Background technology
Currently, the problem that traditional P+N driving circuit generally existing power consumptions are big, efficiency is low, as depicted in figs. 1 and 2, tradition
The upper bridge portion for the P+N raceway groove driving circuits used in motor driving includes resistance R33, resistance R34, triode Q9, resistance
R42, resistance R36, PNP type triode Q8, resistance R37, resistance R6, resistance R17, capacitance C10, P-channel metal-oxide-semiconductor U10；Lower bridge portion
Point include resistance R35, resistance R74, resistance R75, resistance R76, PNP type triode Q7, resistance R43, NPN type triode Q16,
NPN type triode Q17, N links up metal-oxide-semiconductor U5, resistance RU2 and capacitance CU2.When HV high level, triode Q9 conductings, if thinking fast
Fast turns on P-channel metal-oxide-semiconductor U10, need to just reduce the resistance value of resistance R37, and then other divider resistances such as resistance R6, resistance R17
Resistance value will also reduce, and eventually lead to that resistance heating is serious, and power consumption is big, and energy dissipation is serious, and the switching frequency of driving circuit
Higher, the resistance value of divider resistance will be smaller, cause power consumption bigger, can not meet wanting for high efficiency switch and low-power consumption simultaneously
It asks.
Utility model content
The purpose of this utility model is that by a kind of high-efficiency and energy-saving type P+N raceway groove driving circuits, to solve background above
The problem of technology segment is mentioned.
For this purpose, the utility model uses following technical scheme：
A kind of high-efficiency and energy-saving type P+N raceway groove driving circuits comprising upper bridge circuit and lower bridge circuit；The upper bridge circuit packet
Include resistance R30, resistance R34, NPN type triode Q12, resistance R22, resistance R16, NPN type triode Q5, PNP type triode Q8,
Diode D4, resistance R27, resistance R13, capacitance C6, P-channel metal-oxide-semiconductor U3；One end of the resistance R30 and the one of resistance R34
End, upper bridge PWM wave input terminal HU connections, the other end of resistance R30 are connect with the base stage of NPN type triode Q12, resistance R34
The emitter ground connection of the other end, NPN type triode Q12, one end of the collector connection resistance R22 of NPN type triode Q12, electricity
The other end of resistance R22 is connect with the base stage of one end of resistance R16, the base stage of PNP type triode Q8, NPN type triode Q5, PNP
The collector of type triode Q8 is connect with the anode of diode D4, and the cathode of diode D4 is connect with one end of resistance R27, resistance
The other end of R27 is connect as lower bridge circuit power end with lower bridge circuit, the other end of resistance R16 and upper bridge circuit power end,
The source electrode connection of the collector of NPN type triode Q5, one end of resistance R13, one end of capacitance C6, P-channel metal-oxide-semiconductor U3, resistance
The other end of R13 and the emitter of PNP type triode Q8, the other end, the P-channel of the emitter of NPN type triode Q5, capacitance C6
The grid of metal-oxide-semiconductor U3 connects；The lower bridge circuit includes resistance R43, resistance R44, NPN type triode Q18, resistance R41, resistance
R37, NPN type triode Q16, PNP type triode Q17, resistance R38, resistance R39, diode D7, N-channel MOS pipe U6, capacitance
CU1, resistance RU2；A termination working power of the resistance R43, bridge PWM wave input terminal LU under another termination, resistance R44 one
End, the other end of resistance R44 are connect with the base stage of NPN type triode Q18, the emitter ground connection of NPN type triode Q18, NPN type
One end of the collector connection resistance R41 of triode Q18, the other end of the other end connection resistance R37 of resistance R41, NPN type three
The base stage of pole pipe Q16, the base stage of PNP type triode Q17, the other end of resistance R37 and lower bridge circuit power end, three pole of NPN type
The collector of pipe Q16 connects, the transmitting of one end of resistance R38 and the emitter, PNP type triode Q17 of NPN type triode Q16
One end connection of pole, resistance R39, the other end of resistance R38 are connect with the anode of lower bridge driving input terminal LUO, diode D7, and two
The cathode of pole pipe D7 is connect with the other end of resistance R39, and the drain electrode of N-channel MOS pipe U6 is connect with the drain electrode of P-channel metal-oxide-semiconductor U3,
The grid of N-channel MOS pipe U6 is connect with one end of resistance RU2, one end of capacitance CU1, lower bridge driving input terminal LUO, resistance RU2
The other end connect with the source electrode of the other end of capacitance CU1, N-channel MOS pipe U6.
Particularly, the voltage for the working power that the resistance R43 connects is 5V.
Particularly, the input voltage range of the upper bridge circuit power end is 20V to 30V；The upper bridge circuit export to
The voltage of lower bridge circuit is that the output voltage range of lower bridge circuit power end is 10V to 15V.
The utility model proposes high-efficiency and energy-saving type P+N raceway grooves driving circuit when upper bridge circuit is opened, by upper bridge circuit
The upper bridge turning-on voltage of power end output is charged to lower bridge circuit and uses, energy-efficient as the energy of opening of lower bridge circuit, simultaneously
Meet the requirement of high efficiency switch and low-power consumption.
Description of the drawings
Fig. 1 is the upper bridge portion structure chart of tradition P+N raceway groove driving circuits；
Fig. 2 is the lower bridge portion structure chart of tradition P+N raceway groove driving circuits；
Fig. 3 is the structure chart of the upper bridge circuit of high-efficiency and energy-saving type P+N raceway groove driving circuits；
Fig. 4 is the structure chart of the lower bridge circuit of high-efficiency and energy-saving type P+N raceway groove driving circuits.
Specific implementation mode
The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model,
It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact
It is existing, however it is not limited to embodiment described herein.Make public affairs to the utility model on the contrary, purpose of providing these embodiments is
Open the more thorough and comprehensive of content understanding.It should be noted that when an element is considered as " connection " another element, it can
To be directly to another element or may be simultaneously present centering elements.Unless otherwise defined, institute used herein
Some technical and scientific terms have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs.Herein
In term used in the description of the utility model be only for the purpose of describing specific embodiments and be not intended to
Limit the utility model.Term " and or " used herein include the arbitrary of one or more relevant Listed Items and
All combinations.
High-efficiency and energy-saving type P+N raceway groove driving circuits include upper bridge circuit and lower bridge circuit in the present embodiment.
As shown in Figure 3 and Figure 4, the upper bridge circuit includes resistance R30, resistance R34, NPN type triode Q12, resistance
R22, resistance R16, NPN type triode Q5, PNP type triode Q8, diode D4, resistance R27, resistance R13, capacitance C6, P-channel
Metal-oxide-semiconductor U3；One end of the resistance R30 and one end of resistance R34, upper bridge PWM wave input terminal HU connections, resistance R30's is another
End is connect with the base stage of NPN type triode Q12, the other end of resistance R34, the emitter ground connection of NPN type triode Q12, NPN type
One end of the collector connection resistance R22 of triode Q12, the other end of resistance R22 and one end of resistance R16, PNP type triode
The base stage of Q8, the connection of the base stage of NPN type triode Q5, the collector of PNP type triode Q8 are connect with the anode of diode D4, and two
The cathode of pole pipe D4 is connect with one end of resistance R27, and the other end of resistance R27 connects as lower bridge circuit power end and lower bridge circuit
It connects, the other end of resistance R16 and upper bridge circuit power end, the collector of NPN type triode Q5, one end of resistance R13, capacitance C6
One end, P-channel metal-oxide-semiconductor U3 source electrode connection, the other end of resistance R13 and the emitter of PNP type triode Q8, NPN type three
The grid connection of the emitter of pole pipe Q5, the other end of capacitance C6, P-channel metal-oxide-semiconductor U3.
Specifically, when upper bridge PWM wave input terminal HU is high level, then NPN type triode Q12 is connected, PNP type triode
Q8 is connected, and the grid that the output voltage (in the present embodiment by taking 24V as an example) of upper bridge circuit power end passes through P-channel metal-oxide-semiconductor U3
Pole and source electrode charging, 24V voltages are charged give 12V voltages by PNP type triode Q8, diode D4, resistance R27, resistance R27
Output end as lower bridge circuit power end by 12V voltage outputs give lower bridge circuit, it is above-mentioned as the energy of opening of lower bridge circuit
It is exactly the opening process of upper bridge circuit.
Upper bridge PWM wave input terminal HU be low level when, then NPN type triode Q12 close, upper bridge circuit power end it is defeated
Going out voltage (in the present embodiment by taking 24V as an example), NPN type triode Q5 is connected in this pull-up resistor by resistance R16,
Once after NPN type triode Q5 only has 1V, NPN type triode Q5 is in the state of approximate conducting, is equivalent at this time in P-channel
Metal-oxide-semiconductor U3 is there are one pull-up, and the pressure difference of the grid of P-channel metal-oxide-semiconductor U3 and source electrode bipod is controlled in 1V hereinafter, so, P ditches
The grid and source electrode bipod of road metal-oxide-semiconductor U3 can not be connected, meanwhile, the grid of the electric energy and P-channel metal-oxide-semiconductor U3 that are filled on capacitance C6
Integrated electric energy on source electrode bipod, is discharged by NPN type triode Q5, on the one hand resistance R13 is discharge resistance, on the other hand
It is also pull-up resistor (being pulled up by resistance R13 before NPN type triode Q5 conductings), above-mentioned is exactly the closing of upper bridge circuit
Journey.
The lower bridge circuit includes resistance R43, resistance R44, NPN type triode Q18, resistance R41, resistance R37, NPN type
Triode Q16, PNP type triode Q17, resistance R38, resistance R39, diode D7, N-channel MOS pipe U6, capacitance CU1, resistance
RU2；A termination working power (5V) of the resistance R43, one end of bridge PWM wave input terminal LU, resistance R44 under another termination,
The other end of resistance R44 is connect with the base stage of NPN type triode Q18, the emitter ground connection of NPN type triode Q18, NPN type three
One end of the collector connection resistance R41 of pole pipe Q18, the other end of the other end connection resistance R37 of resistance R41, three pole of NPN type
The base stage of pipe Q16, the base stage of PNP type triode Q17, the other end of resistance R37 and lower bridge circuit power end, NPN type triode
The collector of Q16 connects, one end of resistance R38 and the emitter of NPN type triode Q16, PNP type triode Q17 emitter,
One end of resistance R39 connects, and the other end of resistance R38 is connect with the anode of lower bridge driving input terminal LUO, diode D7, two poles
The cathode of pipe D7 is connect with the other end of resistance R39, and the drain electrode of N-channel MOS pipe U6 is connect with the drain electrode of P-channel metal-oxide-semiconductor U3, N
The grid of channel MOS tube U6 is connect with one end of resistance RU2, one end of capacitance CU1, lower bridge driving input terminal LUO, resistance RU2
The other end connect with the source electrode of the other end of capacitance CU1, N-channel MOS pipe U6.
Specifically, when lower bridge PWM wave input terminal LU is high level, NPN type triode Q18 is connected, then three pole of positive-negative-positive
Pipe Q17 conductings, after PNP type triode Q17 conducting conductings, the left sides resistance R38 current potential is zero, and lower bridge driving input terminal LUO is put
Electricity descends bridge circuit to close.Lower bridge driving input terminal LUO is the lower bridge circuit of driving, the electricity of lower bridge driving input terminal LUO this sides
Stream discharges to PNP type triode Q17 by resistance R38, and the electric energy of lower bridge driving input terminal LUO is returned by PNP type triode Q17
Road is bled off, and such N-channel MOS pipe U6 is shut off.When lower bridge PWM wave input terminal LU is low level, then NPN type triode
Q18 is not turned on, and NPN type triode Q16 is opened by resistance R37, and upper bridge circuit is exported to the 12V electricity of lower bridge circuit power end
Pressure drives input terminal LUO chargings by NPN type triode Q16 to lower bridge.
The output voltage of the upper bridge circuit power end described in the present embodiment is not limited to 24V, can be 20V to 30V it
Between any voltage value；On the upper bridge circuit exports to the output voltage of the i.e. upper bridge circuit power end of voltage of lower bridge circuit and is
The half of the output voltage of bridge circuit power end, i.e., it can be 10V to any voltage value between 15V.
The technical solution of the utility model opens electricity when upper bridge circuit is opened, by the upper bridge that upper bridge circuit power end exports
Pressure is charged to lower bridge circuit and uses, energy-efficient as the energy of opening of lower bridge circuit, while meeting high efficiency switch and low work(
The requirement of consumption.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, can carry out for a person skilled in the art various bright
Aobvious variation is readjusted and is substituted without departing from the scope of protection of the utility model.Therefore, although passing through above example
The utility model is described in further detail, but the utility model is not limited only to above example, is not departing from
Can also include other more equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Right determine.
Claims (3)
1. a kind of high-efficiency and energy-saving type P+N raceway groove driving circuits, which is characterized in that including upper bridge circuit and lower bridge circuit；On described
Bridge circuit includes resistance R30, resistance R34, NPN type triode Q12, resistance R22, resistance R16, NPN type triode Q5, positive-negative-positive
Triode Q8, diode D4, resistance R27, resistance R13, capacitance C6, P-channel metal-oxide-semiconductor U3；One end of the resistance R30 and resistance
One end of R34, upper bridge PWM wave input terminal HU connections, the other end of resistance R30 are connect with the base stage of NPN type triode Q12, electricity
The other end of R34, the emitter ground connection of NPN type triode Q12 are hindered, the collector connection resistance R22's of NPN type triode Q12
One end, the other end and one end of resistance R16, the base stage of PNP type triode Q8, the base stage of NPN type triode Q5 of resistance R22 connect
It connects, the collector of PNP type triode Q8 is connect with the anode of diode D4, and the cathode of diode D4 connects with one end of resistance R27
It connects, the other end of resistance R27 is connect as lower bridge circuit power end with lower bridge circuit, the other end of resistance R16 and upper bridge circuit
Power end, the collector of NPN type triode Q5, one end of resistance R13, one end of capacitance C6, P-channel metal-oxide-semiconductor U3 source electrode connect
Connect, the other end of resistance R13 and the emitter of PNP type triode Q8, the emitter of NPN type triode Q5, capacitance C6 it is another
The grid connection at end, P-channel metal-oxide-semiconductor U3；The lower bridge circuit includes resistance R43, resistance R44, NPN type triode Q18, resistance
R41, resistance R37, NPN type triode Q16, PNP type triode Q17, resistance R38, resistance R39, diode D7, N-channel MOS pipe
U6, capacitance CU1, resistance RU2；A termination working power of the resistance R43, bridge PWM wave input terminal LU, resistance under another termination
The other end of one end of R44, resistance R44 is connect with the base stage of NPN type triode Q18, and the emitter of NPN type triode Q18 connects
Ground, one end of the collector connection resistance R41 of NPN type triode Q18, the other end connection resistance R37's of resistance R41 is another
End, the base stage of NPN type triode Q16, PNP type triode Q17 base stage, the other end of resistance R37 and lower bridge circuit power end,
The collector of NPN type triode Q16 connects, one end of resistance R38 and the emitter of NPN type triode Q16, PNP type triode
One end connection of the emitter, resistance R39 of Q17, the other end of resistance R38 are driving input terminal LUO, diode D7 just with lower bridge
Pole connects, and the cathode of diode D7 is connect with the other end of resistance R39, and the drain electrode of N-channel MOS pipe U6 is with P-channel metal-oxide-semiconductor U3's
Drain electrode connection, the grid of N-channel MOS pipe U6 connect with one end of resistance RU2, one end of capacitance CU1, lower bridge driving input terminal LUO
It connects, the other end of resistance RU2 is connect with the source electrode of the other end of capacitance CU1, N-channel MOS pipe U6.
2. high-efficiency and energy-saving type P+N raceway groove driving circuits according to claim 1, which is characterized in that the resistance R43 connect
The voltage of working power is 5V.
3. according to claims 1 or 2 any one of them high-efficiency and energy-saving type P+N raceway groove driving circuits, which is characterized in that on described
The input voltage range of bridge circuit power end is 20V to 30V；The upper bridge circuit is exported descends bridge electric to the voltage of lower bridge circuit
The output voltage range of road power end is 10V to 15V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897651.0U CN207720106U (en) | 2017-12-29 | 2017-12-29 | A kind of high-efficiency and energy-saving type P+N raceway groove driving circuits |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721897651.0U CN207720106U (en) | 2017-12-29 | 2017-12-29 | A kind of high-efficiency and energy-saving type P+N raceway groove driving circuits |
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| CN201721897651.0U Active CN207720106U (en) | 2017-12-29 | 2017-12-29 | A kind of high-efficiency and energy-saving type P+N raceway groove driving circuits |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959491A (en) * | 2017-12-29 | 2018-04-24 | 英迪迈智能驱动技术无锡股份有限公司 | A kind of high-efficiency and energy-saving type P+N raceway groove drive circuits |
-
2017
- 2017-12-29 CN CN201721897651.0U patent/CN207720106U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959491A (en) * | 2017-12-29 | 2018-04-24 | 英迪迈智能驱动技术无锡股份有限公司 | A kind of high-efficiency and energy-saving type P+N raceway groove drive circuits |
| CN107959491B (en) * | 2017-12-29 | 2024-03-19 | 英迪迈智能驱动技术无锡股份有限公司 | Efficient energy-saving P+N channel driving circuit |
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