CN208386432U - A kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane - Google Patents
A kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane Download PDFInfo
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- CN208386432U CN208386432U CN201821191519.2U CN201821191519U CN208386432U CN 208386432 U CN208386432 U CN 208386432U CN 201821191519 U CN201821191519 U CN 201821191519U CN 208386432 U CN208386432 U CN 208386432U
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Abstract
The utility model relates to a kind of voltage stabilizing power supplying circuit of height measuring device based on unmanned plane, a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane, including positive Voltage stabilizing module, and with the symmetrical negative sense Voltage stabilizing module of the positive Voltage stabilizing module；The forward direction Voltage stabilizing module includes sequentially connected first voltage transformation unit, the first rectification unit, the first level-one filter unit, the first voltage regulation unit, the first secondary filter unit；The negative sense Voltage stabilizing module includes sequentially connected second voltage transformation unit, the second rectification unit, the second level-one filter unit, the second voltage regulation unit, the second secondary filter unit.Not only guarantee the stability of positive output voltage by positive Voltage stabilizing module, also guarantee the stability of cathode output voltage by negative sense Voltage stabilizing module, to further increase the electrical stability of entire power supply circuit, and circuit structure is simple, low in energy consumption, and practicability is preferable.
Description
Technical field
The utility model relates to power-supplying circuit field more particularly to a kind of height measuring devices based on unmanned plane
Voltage stabilizing power supplying circuit.
Background technique
Unmanned plane Real-time Feedback flying height information in flight course is very important, at present drone height measurement
It fills the power supply circuit that centers and often haves the defects that power supply instability, it is every when cannot be per that this will lead to unmanned plane operator
The flying height for all grasping unmanned plane is carved, therefore there are security risks.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of pressure stabilizing of height measuring device based on unmanned plane
Power supply circuit.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of height measuring device based on unmanned plane
Voltage stabilizing power supplying circuit, including positive Voltage stabilizing module, and with the symmetrical negative sense Voltage stabilizing module of the positive Voltage stabilizing module；
The forward direction Voltage stabilizing module includes sequentially connected first voltage transformation unit, the first rectification unit, the filtering of the first level-one
Unit, the first voltage regulation unit, the first secondary filter unit；
The negative sense Voltage stabilizing module includes sequentially connected second voltage transformation unit, the second rectification unit, the filtering of the second level-one
Unit, the second voltage regulation unit, the second secondary filter unit.
The beneficial effects of the utility model are: not only guarantee the stability of positive output voltage by positive Voltage stabilizing module,
The stability for also guaranteeing cathode output voltage by negative sense Voltage stabilizing module, to further increase the power supply of entire power supply circuit
Stability, and circuit structure is simple, low in energy consumption, and practicability is preferable.
Based on the above technical solution, the utility model can also do following improvement.
Further, the first level-one filter unit includes electrolytic capacitor C1 and monolithic capacitor C2, the electrolytic capacitor C1
It is in parallel with the monolithic capacitor C2.
Beneficial effect using above-mentioned further scheme is to constitute the first level-one by electrolytic capacitor C1 and monolithic capacitor C2
Filter unit, can play preferable filter action, and electrolytic capacitor C1 has good filter effect to low frequency.Monolithic capacitor C2
The high frequency section that input electrical signal can be filtered out, after the filtering of the two combinational circuits, the waveform of circuit has tended to
Gently, filtered electric current is sent into voltage stabilizing chip, output is exactly stable direct current.
Further, the voltage regulation unit is made of voltage stabilizing chip LM337.
Beneficial effect using above-mentioned further scheme is to use simple, work by using common voltage stabilizing chip LM337
Work is stablized.
Further, water conservancy diversion diode D1 is also connected between the end Vin and the end Vout of the voltage stabilizing chip LM337；It is described
Water conservancy diversion diode D2 is also connected between the end ADJ and the end Vout of voltage stabilizing chip LM337.
Beneficial effect using above-mentioned further scheme is to use water conservancy diversion diode D1 and water conservancy diversion diode D2 to pressure stabilizing
Chip is protected, if there is short circuit in circuit, electric current can constitute circuit by diode, to avoid high current directly from core
It is flowed through inside piece, burns out chip, to play a protective role.
Further, the water conservancy diversion diode D1 and water conservancy diversion diode D2 is 1N4007.
Beneficial effect using above-mentioned further scheme be 1N4007 have lower reverse leakage current and it is stronger just
To surge ability to bear.
Further, the first secondary filter unit is capacitor C3.
Beneficial effect using above-mentioned further scheme is further to be subtracted using capacitor C3 as the first secondary filter unit
The ripple factor of low current greatly strengthens the stability of voltage.
Further, the output end of first rectification unit is also parallel with a LED light LED1, the LED light LED1 string
It is associated with a resistance R1.
Beneficial effect using above-mentioned further scheme is by one LED of the output end parallel connection in the first rectification unit
Lamp, and use resistance R1 as the current-limiting resistance of LED light, user can judge the work of preliminary power supply by this LED light
Make situation, the brightness of lamp and the size of output voltage are positively correlated.
Further, fuse FU1 is connected between first rectification unit and the first level-one filter unit.
Beneficial effect using above-mentioned further scheme is to be further ensured that safety by adding fuse.
Detailed description of the invention
Fig. 1 is the principles of the present invention block diagram；
Fig. 2 is the circuit diagram of the utility model；
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
A kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane as shown in Figure 1:, including positive pressure stabilizing mould
Block, and with the symmetrical negative sense Voltage stabilizing module of positive Voltage stabilizing module；
Positive Voltage stabilizing module include sequentially connected first voltage transformation unit, the first rectification unit, the first level-one filter unit,
First voltage regulation unit, the first secondary filter unit；
Negative sense Voltage stabilizing module include sequentially connected second voltage transformation unit, the second rectification unit, the second level-one filter unit,
Second voltage regulation unit, the second secondary filter unit.
Since positive Voltage stabilizing module and negative sense Voltage stabilizing module are symmetrical, so the first voltage transformation unit and the second voltage transformation unit phase
Together；First rectification unit and the second rectification unit are identical, and the first rectification unit and the second rectification unit are identical, the first voltage regulation unit
Identical with the second voltage regulation unit, the first secondary filter unit and the second secondary filter unit are identical.
In practical application scene, the exchange for the 220V/12V that rated power is 20W is can be used in the first voltage transformation unit first
Input voltage is depressured by transformer.First rectification unit part, which uses, integrates whole rectifier bridge, can be by simple alternating current
The negative electricity laminate section of electricity negates, and becomes positive voltage.First level-one filter unit makes it become for the waveform of circuit to be filtered
In gentle, filtered electric current is sent into the first voltage regulation unit.First voltage regulation unit is for exporting stable direct current, and the one or two
Grade filter unit preferably reduces the ripple factor of electric current, greatly strengthens the stability of voltage as rear class filtering.
Preferably, the first level-one filter unit includes electrolytic capacitor C1 and monolithic capacitor C2, and electrolytic capacitor C1 and only stone are electric
It is in parallel to hold C2.
Beneficial effect using above-mentioned preferably scheme is to constitute the first level-one by electrolytic capacitor C1 and monolithic capacitor C2
Filter unit, can play preferable filter action, and electrolytic capacitor C1 has good filter effect to low frequency.Monolithic capacitor C2
The high frequency section that input electrical signal can be filtered out, after the filtering of the two combinational circuits, the waveform of circuit has tended to
Gently, filtered electric current is sent into voltage stabilizing chip, output is exactly stable direct current.
Preferably, voltage regulation unit is made of voltage stabilizing chip LM337.By using common voltage stabilizing chip LM337, letter is used
It is single, the operation is stable.
Preferably, water conservancy diversion diode D1 is also connected between the end Vin and the end Vout of voltage stabilizing chip LM337；Voltage stabilizing chip
Water conservancy diversion diode D2 is also connected between the end ADJ and the end Vout of LM337.Using water conservancy diversion diode D1 and water conservancy diversion diode D2
Voltage stabilizing chip is protected, if there is short circuit in circuit, electric current can constitute circuit by diode, to avoid high current straight
It connects from chip interior and flows through, burn out chip, to play a protective role.
Preferably, water conservancy diversion diode D1 and water conservancy diversion diode D2 is 1N4007.
Beneficial effect using above-mentioned preferably scheme be 1N4007 have lower reverse leakage current and it is stronger just
To surge ability to bear.
Preferably, the first secondary filter unit is capacitor C3.Using capacitor C3 as the first secondary filter unit, preferably
The ripple factor for reducing electric current, greatly strengthens the stability of voltage.
Preferably, the output end of the first rectification unit is also parallel with a LED light LED1, and LED light LED1 is in series with one
Resistance R1.By one LED light of the output end parallel connection in the first rectification unit, and use resistance R1 as the current limliting of LED light
Resistance, user can judge the working condition of preliminary power supply, the brightness of lamp and the size of output voltage by this LED light
It is positively correlated.
Preferably, fuse FU1 is connected between the first rectification unit and the first level-one filter unit.By adding insurance
Silk, preferably ensures that safety.
It should be noted that negative sense Voltage stabilizing module and the structure and working principle of positive Voltage stabilizing module are all the same, only make
Structure and working principle for the cathode of input voltage, therefore negative sense Voltage stabilizing module can refer to positive Voltage stabilizing module, herein not
It repeats again.
It is as shown in Figure 2: a kind of voltage stabilizing power supplying circuit of height measuring device based on unmanned plane of this implementation, including successively
The prime of connection is depressured part, prime filtering part, rectifying part, voltage stabilization part, rear pole filtering part.
The electricity that prime decompression part uses the AC transformer that rated power is the 220V/12V of 20W to be used to input
Pressure is depressured, and rectifier circuit portion, which all uses, integrates whole rectifier bridge, can take the negative electricity laminate section of sinusoidal ac
Instead, become positive voltage, filter circuit part uses the combination of the monolithic capacitor C2 of the electrolytic capacitor C1 and 0.1uf of 4700uf.Greatly
The alminium electrolytic condenser of the 4700uf of capacitance has good filter effect to low frequency.The monolithic capacitor C2 of 0.1uf can be filtered out
The high frequency section of input electrical signal, after the filtering of the two combinational circuits, the waveform of circuit has tended towards stability, and will filter
Electric current afterwards is sent into voltage stabilizing chip, and output is exactly stable direct current.
Two water conservancy diversion diode 1N4007 have can be used in protection for chip, if there is short circuit in circuit, electric current can lead to
It crosses diode composition circuit and burns out chip so that high current be avoided directly to flow through from chip interior, play a protective role.
Preferably subtract in only stone filter capacitor C3 of a last output stage 0.1uf again in parallel as rear class filtering
The ripple factor of low current greatly strengthens the stability of voltage.In output par, c, the design goes back one LED light of parallel connection
LED1, and use current-limiting resistance of the resistance R1 of 1K Ω as LED light LED1, user can by this LED light LED1 come
Judge that the working condition of preliminary power supply, the brightness of lamp and the size of output voltage are positively correlated.
It should be noted that two rows of direct insertion row's needles can have been used on the outgoing interface in this power supply circuit, can be convenient
This circuit is used as the power supply of other electronic circuits, and the power consumption of these circuits itself is little, can be significantly using multipair row's needle
Increase loaded quantity, increases the practicability of this power supply circuit.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane, which is characterized in that including positive Voltage stabilizing module,
And with the positive symmetrical negative sense Voltage stabilizing module of Voltage stabilizing module；
It is described forward direction Voltage stabilizing module include sequentially connected first voltage transformation unit, the first rectification unit, the first level-one filter unit,
First voltage regulation unit, the first secondary filter unit；
The negative sense Voltage stabilizing module include sequentially connected second voltage transformation unit, the second rectification unit, the second level-one filter unit,
Second voltage regulation unit, the second secondary filter unit.
2. a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 1, which is characterized in that
The first level-one filter unit includes electrolytic capacitor C1 and monolithic capacitor C2, the electrolytic capacitor C1 and the monolithic capacitor C2
It is in parallel.
3. a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 1, which is characterized in that
The voltage regulation unit is made of voltage stabilizing chip LM337.
4. a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 3, which is characterized in that
Water conservancy diversion diode D1 is also connected between the end Vin and the end Vout of the voltage stabilizing chip LM337；The voltage stabilizing chip LM337's
Water conservancy diversion diode D2 is also connected between the end ADJ and the end Vout.
5. a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 4, which is characterized in that
The water conservancy diversion diode D1 and water conservancy diversion diode D2 is 1N4007.
6. any one of -5 a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 1,
It is characterized in that, the first secondary filter unit is capacitor C3.
7. any one of -5 a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 1,
It is characterized in that, the output end of first rectification unit is also parallel with LED light a LED1, the LED light LED1 and is in series with one
A resistance R1.
8. any one of -5 a kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane according to claim 1,
It is characterized in that, is connected with fuse FU1 between first rectification unit and the first level-one filter unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191519.2U CN208386432U (en) | 2018-07-26 | 2018-07-26 | A kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821191519.2U CN208386432U (en) | 2018-07-26 | 2018-07-26 | A kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane |
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| CN208386432U true CN208386432U (en) | 2019-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821191519.2U Active CN208386432U (en) | 2018-07-26 | 2018-07-26 | A kind of voltage stabilizing power supplying circuit of the height measuring device based on unmanned plane |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017246A (en) * | 2019-11-21 | 2020-04-17 | 东南大学 | Airborne multi-motor series power supply circuit of tethered unmanned aerial vehicle |
| CN117614268A (en) * | 2024-01-18 | 2024-02-27 | 荣耀终端有限公司 | Power management circuit, power management chip and electronic equipment |
-
2018
- 2018-07-26 CN CN201821191519.2U patent/CN208386432U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111017246A (en) * | 2019-11-21 | 2020-04-17 | 东南大学 | Airborne multi-motor series power supply circuit of tethered unmanned aerial vehicle |
| CN117614268A (en) * | 2024-01-18 | 2024-02-27 | 荣耀终端有限公司 | Power management circuit, power management chip and electronic equipment |
| CN117614268B (en) * | 2024-01-18 | 2024-05-10 | 荣耀终端有限公司 | Power management circuit, power management chip and electronic equipment |
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