CN209055853U - Current detection means and unmanned plane for aero-engine - Google Patents
Current detection means and unmanned plane for aero-engine Download PDFInfo
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- CN209055853U CN209055853U CN201822134525.0U CN201822134525U CN209055853U CN 209055853 U CN209055853 U CN 209055853U CN 201822134525 U CN201822134525 U CN 201822134525U CN 209055853 U CN209055853 U CN 209055853U
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- operational amplifier
- engine
- current detection
- aero
- resistance
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Abstract
The utility model embodiment discloses a kind of current detection means and unmanned plane for aero-engine.Current detection means for aero-engine includes operational amplifier, first resistor R1 and the 4th resistance R4 are concatenated between the non-inverting input terminal V+ and ground of the operational amplifier, first capacitor C1 is provided between the first resistor R1 and the common end and analog signal ground terminal of the 4th resistance R4, and in the common end grounding of the first resistor R1 and the 4th resistance R4；The inverting input terminal V- of the operational amplifier concatenates second resistance R2 with analog signal ground terminal, 3rd resistor R3 is concatenated between the inverting input terminal V- and output end OUT of the operational amplifier, the positive voltage terminal electrical connection DC voltage source anode of the operational amplifier, the negative voltage side ground connection of the operational amplifier.The current detection means feedback signal for being used for aero-engine is more stable, to improve navigation attitude, height, the precision of position of control aircraft.
Description
Technical field
The utility model relates to technical field of aerospace, and in particular to a kind of current detection means for aero-engine and
Unmanned plane.
Background technique
Aero-engine is that the component of flying power is provided for aircraft, as " heart " of aircraft, is known as " industry
Flower ", directly affect the performance, reliability and economy of aircraft, be the important body of a national science and technology, industry and military capability of the country
It is existing.
Electric-control system is the key technology of aero-engine, and when starting engine, power supply is capacitor charging, works as capacitor
When the voltage of device reaches default high voltage, capacitor discharge makes to generate self coupling high-voltage electricity in ignition coil, and spark plug is made to burst out fire
The mixture of air and fuel in flower ignition engine.Power supply provides electric energy for the normal operation of electric-control system, in order to
Guarantee that aero-engine operates normally, the stability of electric-control system directly affects the stability of aero-engine operation.Therefore, exist
During aero-engine is run, the signal of the current feedback of power supply output to electric-control system, electric-control system output is combined
The current value of the output of power supply can be improved the stability of aero-engine operation.Currently used for detection power supply output
Although current device can feedback signal transmission to electric-control system, feedback signal is unstable, causes accurately control boat
Appearance.
Utility model content
The utility model embodiment be designed to provide it is a kind of for the current detection means of aero-engine and nobody
Machine, to solve the problems, such as that existing feedback signal is unstable.
To achieve the above object, the utility model embodiment provides a kind of current detection means for aero-engine,
It is described for detect the device of aero-engine supply current to include operational amplifier, the non-inverting input terminal of the operational amplifier
First resistor R1 and the 4th resistance R4 are concatenated between V+ and ground, in common end and the mould of the first resistor R1 and the 4th resistance R4
It is provided with first capacitor C1 between quasi- signal ground end, and in the public termination of the first resistor R1 and the 4th resistance R4
Ground；The inverting input terminal V- of the operational amplifier concatenates second resistance R2, the operational amplifier with analog signal ground terminal
Inverting input terminal V- and output end OUT between concatenate 3rd resistor R3, the positive voltage terminal electrical connection of the operational amplifier is straight
Flow positive pole, the negative voltage side ground connection of the operational amplifier.
Preferably, the second capacitor C2 is concatenated between the positive voltage terminal of the operational amplifier and ground.
Preferably, the current detection means for aero-engine includes the 5th resistance R5, the 5th resistance R5
First end electrical connection operational amplifier output end, third in parallel is set between the second end and ground of the 5th resistance R5
Capacitor C3 and the 6th resistance R6.
Preferably, the operational amplifier uses the operational amplifier of model OPA333.
Wherein, the DC power supply provides the DC voltage of 3.3V, and the DC power supply includes chip U1, the chip U1
Input terminal Vin be electrically connected 8V voltage, and concatenate the 4th capacitor C4 between the input terminal Vin and ground of the chip U1, it is described
Chip U1 uses model AMS117-3.3 chip.
Preferably, capacitor array, the capacitor array packet are provided between the output end vo ut and ground of the chip U1
Include the 5th capacitor C5, the 6th capacitor C6, the 7th capacitor C7 and the 8th capacitor C8 being arranged in parallel.
In addition, a kind of unmanned plane that the utility model embodiment also provides, the unmanned plane includes supply current detection dress
It sets, the supply current detection device provides the current detecting for aero-engine using the utility model embodiment
Device.
The utility model embodiment has the advantages that
Current detection means operational amplifier provided by the embodiment of the utility model for aero-engine it is same mutually defeated
Enter to hold and concatenate first resistor R1 and the 4th resistance R4 between V+ and ground, in the common end of the first resistor R1 and the 4th resistance R4
First capacitor C1 is provided between analog signal ground terminal, and in the common end of the first resistor R1 and the 4th resistance R4
Ground connection；The inverting input terminal V- of the operational amplifier concatenates second resistance R2, the operation amplifier with analog signal ground terminal
3rd resistor R3, the positive voltage terminal electrical connection of the operational amplifier are concatenated between the inverting input terminal V- and output end OUT of device
DC voltage source anode, the negative voltage side ground connection of the operational amplifier, the output end OUT of feedback signal from operational amplifier are defeated
Out, keep feedback signal more stable, to improve navigation attitude, height, the precision of position of control aircraft.
Detailed description of the invention
Fig. 1 is the circuit diagram for the current detection means for aero-engine that the utility model embodiment 1 provides.
DC power supply in the current detection means for aero-engine that Fig. 2 provides for the utility model embodiment 1
Circuit diagram.
In figure: R1- first resistor, R2- second resistance, R3- 3rd resistor, the 4th resistance of R4-, the 5th resistance of R5-, R6-
6th resistance, C1- first capacitor, the second capacitor of C2-, C3- third capacitor, the 4th capacitor of C4-, the 5th capacitor of C5-, C6- the 6th
Capacitor, the 7th capacitor of C7-, the 8th capacitor of C8-, U1- chip, U6- operational amplifier.
Specific embodiment
The embodiments of the present invention is illustrated by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
It should be clear that this specification structure depicted in this specification institute accompanying drawings, ratio, size etc., only to cooperate specification to be taken off
The content shown is not intended to limit the utility model enforceable restriction item so that those skilled in the art understands and reads
Part, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing
Under the effect of the utility model can be generated and the purpose that can reach, should all still it fall in the revealed technology of the utility model
In the range of Rong get Neng is covered.Meanwhile cited such as "upper", "lower", " left side ", the right side in this specification ", the use of " centre "
Language is merely convenient to being illustrated for narration, rather than to limit the enforceable range of the utility model, the change of relativeness or
Adjustment, under the content of no substantial changes in technology, when being also considered as the enforceable scope of the utility model.
Embodiment 1
The present embodiment provides a kind of current detection means for aero-engine.As shown in Figure 1, for detecting aviation hair
The device of motivation supply current includes operational amplifier U6, and operational amplifier U6 uses the operational amplifier of model OPA333.
First resistor R1 and the 4th resistance R4 are concatenated between the non-inverting input terminal V+ and ground of operational amplifier, in first resistor
Be provided with first capacitor C1 between R1 and the common end and analog signal ground terminal of the 4th resistance R4, and in first resistor R1 and
The common end grounding of 4th resistance R4；The inverting input terminal V- of operational amplifier concatenates second resistance with analog signal ground terminal
R2 concatenates 3rd resistor R3, the positive voltage terminal of operational amplifier between the inverting input terminal V- and output end OUT of operational amplifier
It is electrically connected DC voltage source anode, the negative voltage side ground connection of operational amplifier.
In the present embodiment, the second capacitor C2 is also serially connected between the positive voltage terminal and ground of operational amplifier.
It preferably, include the 5th resistance R5, the first end of the 5th resistance R5 for the current detection means of aero-engine
It is electrically connected the output end of operational amplifier, third capacitor C3 and the 6th in parallel is set between the second end and ground of the 5th resistance R5
Resistance R6.
In the present embodiment, the DC voltage that DC power supply provides 3.3V specifically adopts aero-engine electric-control system
8V voltage is converted to 3.3V.
As shown in Fig. 2, DC power supply includes chip U1, the input terminal Vin of chip U1 is electrically connected 8V voltage, and in chip U1
Input terminal Vin and ground between concatenate the 4th capacitor C4, chip U1 uses model AMS117-3.3 chip.
Capacitor array is provided between the output end vo ut and ground of chip U1, capacitor array includes the 5 be arranged in parallel
Capacitor C5, the 6th capacitor C6, the 7th capacitor C7 and the 8th capacitor C8.
The non-inverting input terminal V+ of current detection means operational amplifier provided in this embodiment for aero-engine with
First resistor R1 and the 4th resistance R4 is concatenated between ground, is connect in the common end of first resistor R1 and the 4th resistance R4 with analog signal
First capacitor C1 is provided between ground terminal, and in the common end grounding of first resistor R1 and the 4th resistance R4；Operational amplifier
Inverting input terminal V- second resistance R2, the inverting input terminal V- and output end of operational amplifier are concatenated with analog signal ground terminal
3rd resistor R3, the positive voltage terminal electrical connection DC voltage source anode of operational amplifier are concatenated between OUT, operational amplifier is born
Voltage end ground connection, feedback signal are exported from the output end OUT of operational amplifier, and feedback signal is more stable, to improve control boat
Navigation attitude, height, the precision of position of pocket.
Embodiment 2
The present embodiment provides a kind of unmanned planes.Unmanned plane includes power supply and supply current detection device, supply current
Detection device is used to detect the output current value of power supply, and supply current detection device is used to navigate using what embodiment 1 provided
The current detection means of empty engine.Details are not described herein for the specific structure detailed in Example 1 of the supply current detection device.
The control signal stabilization of unmanned plane provided in this embodiment, navigation attitude, height, the control precision of position are high.
Although above having made detailed description to the utility model with generality explanation and specific embodiment,
On the basis of the utility model, it can be made some modifications or improvements, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from the spirit of the present invention, belong to the utility model and want
Seek the range of protection.
Claims (7)
1. a kind of current detection means for aero-engine, which is characterized in that the electric current for aero-engine is examined
Surveying device includes operational amplifier, concatenates first resistor R1 and the 4th between the non-inverting input terminal V+ and ground of the operational amplifier
Resistance R4 is provided with first capacitor between the first resistor R1 and the common end and analog signal ground terminal of the 4th resistance R4
C1, and in the common end grounding of the first resistor R1 and the 4th resistance R4；The inverting input terminal V- of the operational amplifier
Second resistance R2 is concatenated with analog signal ground terminal, is gone here and there between the inverting input terminal V- and output end OUT of the operational amplifier
3rd resistor R3 is met, the positive voltage terminal of the operational amplifier is electrically connected DC power anode, the negative electricity of the operational amplifier
Pressure side ground connection.
2. the current detection means according to claim 1 for aero-engine, which is characterized in that the operation amplifier
The second capacitor C2 is concatenated between the positive voltage terminal of device and ground.
3. the current detection means according to claim 1 for aero-engine, which is characterized in that described to be used for aviation
The current detection means of engine includes the 5th resistance R5, the output of the first end electrical connection operational amplifier of the 5th resistance R5
End, is arranged third capacitor C3 and the 6th resistance R6 in parallel between the second end and ground of the 5th resistance R5.
4. the current detection means according to claim 1 for aero-engine, which is characterized in that the operation amplifier
Device uses the operational amplifier of model OPA333.
5. the current detection means according to claim 1 for aero-engine, which is characterized in that the DC power supply
The DC voltage of 3.3V is provided, the DC power supply includes chip U1, and the input terminal Vin of the chip U1 is electrically connected 8V voltage,
And the 4th capacitor C4 is concatenated between the input terminal Vin and ground of the chip U1, the chip U1 uses model AMS117-
3.3 chip.
6. the current detection means according to claim 5 for aero-engine, which is characterized in that in the chip U1
Output end vo ut and ground between be provided with capacitor array, the capacitor array includes the 5th capacitor C5 being arranged in parallel, the 6th
Capacitor C6, the 7th capacitor C7 and the 8th capacitor C8.
7. a kind of unmanned plane, the unmanned plane includes supply current detection device, which is characterized in that the supply current detection dress
It sets using the current detection means as claimed in any one of claims 1 to 6 for aero-engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134525.0U CN209055853U (en) | 2018-12-18 | 2018-12-18 | Current detection means and unmanned plane for aero-engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822134525.0U CN209055853U (en) | 2018-12-18 | 2018-12-18 | Current detection means and unmanned plane for aero-engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209055853U true CN209055853U (en) | 2019-07-02 |
Family
ID=67055152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822134525.0U Active CN209055853U (en) | 2018-12-18 | 2018-12-18 | Current detection means and unmanned plane for aero-engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209055853U (en) |
-
2018
- 2018-12-18 CN CN201822134525.0U patent/CN209055853U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 76-45, Shenbei Road, Shenbei New District, Shenyang City, Liaoning Province 110000 Patentee after: Liaoning Dazhuang UAV Technology Co.,Ltd. Address before: No.76-43, Shenbei Road, Shenbei New District, Shenyang, Liaoning 110000 (gate a) Patentee before: LIAONING ZHUANGLONG UNMANNED AERIAL VEHICLE TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address |