CN205675234U - A kind of operation rocking bar circuit structure based on height heat radiation - Google Patents
A kind of operation rocking bar circuit structure based on height heat radiation Download PDFInfo
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- CN205675234U CN205675234U CN201620596854.5U CN201620596854U CN205675234U CN 205675234 U CN205675234 U CN 205675234U CN 201620596854 U CN201620596854 U CN 201620596854U CN 205675234 U CN205675234 U CN 205675234U
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Abstract
A kind of operation rocking bar circuit structure based on height heat radiation, this utility model relates to rocking bar drive circuit technical field, it aims to solve the problem that its PN junction device temperature characteristic of prior art is poor, due to lack active circuit structure cause can not error detection when without continuous input signal, the technical problem such as its voltage detector output linearity degree difference.This structure principal character includes double-contact potentiometer, including sliding contact node, fixing contact node, the first output node and the second output node；First potentiometer, connects the first output node；Second potentiometer, connects the second output node；Capacitor voltage detector, its input connects the first potentiometer and the second potentiometer；First diode；Second diode.This utility model provides the continuous signal input circuit structure of minimal circulation electric current under the conditions of ensureing system highly linear.
Description
Technical field
This utility model relates to potentiometer applied technical field, is specifically related to a kind of operation rocking bar circuit based on height heat radiation
Structure.
Background technology
Flight control bar, unmanned plane rocking rod controller isohypse continuous moving signal input circuit, its effect is by machine
Tool moves and is converted to a kind of signal of telecommunication；Prior art, owing to lacking active circuit structure, cannot know letter continuously when not moving
The work of number input circuit is the most normal；Such as flight control, owing to a kind of flight attitude needs long-term holding, stick one
The most static, prior art now cannot discover whether that double-contact potentiometer comes in contact the faults such as bad；And it is introduced directly into electric current
System linear distortion can be caused in source, and this utility model provides a kind of company ensureing system highly linear and providing minimal circulation electric current
Continuous signal input circuit structure；In addition the application also optimizes voltage output.But during the use of diode, diode
Electrical property affected by problem, this affecting parameters is referred to as voltage temperature coefficient, when i.e. temperature often raises 1 degree Celsius, two
The relative variation of pole tube steady voltage can occur acute variation.The change of temperature simultaneously has also affected the reverse electricity of diode
Stream, the reverse current of diode is the least, and its unilateal conduction performance is the best, and after the temperature of diode rises 10 degree, it is reverse
Electric current is greatly increased, and affects the unilateal conduction performance of diode.
Summary of the invention
For above-mentioned prior art, this utility model purpose is to provide a kind of operation rocking bar circuit knot based on height heat radiation
Structure, it aims to solve the problem that its PN junction device temperature characteristic of prior art is poor, can not be in nothing owing to lacking that active circuit structure causes
Error detection during input signal continuously, the technical problems such as its voltage detector output linearity degree is poor.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is as follows:
A kind of operation rocking bar circuit structure based on height heat radiation, including double-contact potentiometer, saves including sliding contact
Point, fixing contact node, the first output node and the second output node；First potentiometer, connects the first output node；Second electricity
Position device, connects the second output node；Capacitor voltage detector, its input connects the first potentiometer and the second potentiometer；The
One diode, its high electrode connects power supply and low electrode connects fixing contact node；Second diode, its high electrode connects slip
Contact node and low electrode connect the minimum current drive circuit for fault detect.
In such scheme, the first described potentiometer and/or the second potentiometer, including multi-turn glass glaze preset potentiometer,
Its resistance presetting is to the 1/2 of maximum value.With low cost and simple in construction.
In such scheme, described capacitor voltage detector, including the first amplifier, the second amplifier, the 3rd diode extremely
7th diode, the first resistance connect the first resistance to the 3rd resistance and electric capacity, the inverting input of described first amplifier, and it is just
Phase input and inverting input accept input signal as input, the low electrode of the 3rd diode and the first amplifier anti-phase
Input is connected, and the high electrode of the 6th diode and the low electrode of the 3rd diode are connected, the low electrode of described 6th diode
Being connected with the low electrode of the 5th diode, the high electrode of described 5th diode and the low electrode of the 4th diode are connected, described
The high electrode of the 4th diode and the high electrode of the 3rd diode are connected, the high electrode of the 5th diode and the output of the first amplifier
End is connected, and the outfan of described first amplifier and the inverting input of the second amplifier are connected, the positive input of described second amplifier
Hold and be connected by the 3rd resistance eutral grounding, the outfan of the second amplifier and the high electrode of the 7th diode, described 7th diode
Low electrode is connected by the inverting input of the second resistance and the second amplifier, and the outfan of the second amplifier passes through electric capacity and gauge outfit phase
Even.Optimize voltage detector linear convergent rate.
In such scheme, described electric capacity, use plane-parallel capacitor, its medium is varistor.
The first described diode or the second diode, including body, described body includes the first pin and the second pin,
It is provided with PN junction between described first pin and the second pin；Described PN junction is outside equipped with the resin containment vessel wrapping PN junction,
It is provided with the heat sink strip with air contact on described resin containment vessel；The vertical sectional shape of described resin containment vessel is D type, described
Heat sink strip is uniformly arranged on the arcwall face of resin containment vessel, and described heat sink strip extends along the axial direction of body；Described heat radiation
Bar is arranged in through hole, and described heat sink strip protrudes from the outer wall of resin containment vessel.By being provided with heat radiation on resin containment vessel
Bar, the PN junction within resin containment vessel through out-of-date, produces huge heat at electric current, and then heat is passed to vertical protective layer
On, resin protective layer has the biggest specific heat capacity.
In such scheme, described minimum current drive circuit, including transistor, its colelctor electrode connects the second diode
Low electrode；Comparator, its input connects to be had reference voltage and connects the emitter stage of transistor, and outfan is connected to transistor
Base stage；8th diode, its high electrode connects emitter stage and the low electrode connection power supply of transistor.Ensure the 8th diode always
Have whether current cycle, detection potentiometer exist fault.
Compared with prior art, the beneficial effects of the utility model:
During by heat sink strip with air contact, the specific heat capacity of metal is less, and its temperature rises the slow speed declined quickly, empty
When gas contacts with heat sink strip, the temperature of heat sink strip can be caused to be greatly reduced, so that the temperature of resin containment vessel declines, finally make
Temperature declines uniform temperature, makes reverse current diminish, improves its electric conductivity；
Ensure that system linear output characteristic and provide real-time detection resources to monitor the work shape of continuous signal input circuit
State.
Accompanying drawing explanation
Fig. 1 is circuit diagram of the present utility model；
Fig. 2 is voltage detector circuit figure of the present utility model；
Fig. 3 is potentiometer structural representation of the present utility model.
Detailed description of the invention
All features disclosed in this specification, or disclosed all methods or during step, except mutually exclusive
Feature and/or step beyond, all can combine by any way.
Below in conjunction with the accompanying drawings this utility model is described further:
Embodiment 1
Fig. 1 is circuit diagram of the present utility model, and 5 kilo-ohms of maximum values all selected by the first potentiometer 7 and the second potentiometer 6
Preset potentiometer, its resistance presetting to the 1/2 of maximum, double-contact potentiometer 1, including sliding contact node 3, fixing connect
Touch node the 4, first output node 2 and the second output node 5；First potentiometer 7, connects the first output node 2；Second potentiometer
6, connect the second output node 5；Capacitor voltage detector 8, its input connects the first potentiometer 7 and the second potentiometer 6, electricity
Source selection ± 15V, reference voltage is+5V.
Embodiment 2
Fig. 2 is voltage detector circuit figure of the present utility model, and the inverting input of described first amplifier U2 connects first
Resistance R5, its normal phase input end and inverting input accept input signal as input, the low electrode of the 3rd diode D4 with
The inverting input of the first amplifier U2 is connected, and the high electrode of the 6th diode D5 and the low electrode of the 3rd diode D4 are connected, institute
The low electrode stating the low electrode of the 6th diode D5 and the 5th diode D7 is connected, the high electrode of described 5th diode D7 and the
The low electrode of four diode D6 is connected, and the high electrode of described 4th diode D6 and the high electrode of the 3rd diode D4 are connected, the
The high electrode of five diode D7 and the outfan of the first amplifier U2 are connected, described first amplifier U2 outfan and the second amplifier U3
Inverting input is connected, and the normal phase input end of described second amplifier U3 passes through the 3rd resistance R6 ground connection, the output of the second amplifier U3
End is connected with the high electrode of the 7th diode D9, and the low electrode of described 7th diode D9 passes through the second resistance R7 and the second amplifier
The inverting input of U3 is connected, and the outfan of the second amplifier is connected with gauge outfit by electric capacity C1.Optimize voltage detector the most defeated
Go out.The in-phase input end of the first described amplifier U2 and electric capacity C1 are also associated with the first Zener diode D11 and second steady respectively
Pressure diode D10.
Embodiment 3
Fig. 3 is potentiometer structural representation of the present utility model, and (A) is elevation structure, and (B) is the side of partial cross section
Facial contour structure, the first potentiometer and/or the second potentiometer select model to be WIJ3006P multi-turn glass glaze preset potentiometer, its
The structures such as primary structure includes brush, the resistive element of band lead-in wire, screw rod, its resistance, the opering characteristic of electric apparatus such as Effective Electrical Travel is wide, resistance to height
Temperature, antivibration, simple in construction and with low cost.
Embodiment 4
Described heat sink strip can be made up of memory metal, and the body that resin is made is after being heated, it may occur that deformation, memory
Metal can recover hence shape after deformation, and the shape that diode is original i.e. serves the effect of protection；Simultaneously as behaviour
Make the application attribute of bar itself, diode itself can be provided with noctilucence layer, in dark surrounds, i.e. serve the work of sign
With.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Belong to those skilled in the art in the technical scope that the invention discloses, the change that can readily occur in or replacement, all answer
Contain within protection scope of the present invention.
Claims (6)
1. an operation rocking bar circuit structure based on height heat radiation, it is characterised in that include
Double-contact potentiometer, including sliding contact node, fixing contact node, the first output node and the second output joint
Point；
First potentiometer, connects the first output node；
Second potentiometer, connects the second output node；
Capacitor voltage detector, its input connects the first potentiometer and the second potentiometer；
First diode, its high electrode connects power supply and low electrode connects fixing contact node, and its structure is provided with heat sink strip；
Second diode, its high electrode connects sliding contact node and low electrode connection has the minimum current for fault detect to drive
Galvanic electricity road, its structure is provided with heat sink strip.
A kind of operation rocking bar circuit structure based on height heat radiation the most according to claim 1, it is characterised in that described the
One potentiometer and/or the second potentiometer, including multi-turn glass glaze preset potentiometer, its resistance presetting is to the 1/2 of maximum value.
A kind of operation rocking bar circuit structure based on height heat radiation the most according to claim 1, it is characterised in that described electricity
Appearance formula voltage detector, including the first amplifier, the second amplifier, the 3rd diode to the 7th diode, the first resistance to the 3rd electricity
Resistance and electric capacity；
The inverting input of described first amplifier connects the first resistance, and its normal phase input end and inverting input are as input
Accept input signal；
The low electrode of the 3rd diode and the inverting input of the first amplifier are connected, the high electrode of the 6th diode and the three or two pole
The low electrode of pipe is connected；
The low electrode of described 6th diode and the low electrode of the 5th diode are connected, the high electrode of described 5th diode and the
The low electrode of four diodes is connected；
The high electrode of described 4th diode and the high electrode of the 3rd diode are connected, the high electrode of the 5th diode and the first fortune
The outfan put is connected；
The outfan of described first amplifier and the inverting input of the second amplifier are connected, and the normal phase input end of described second amplifier leads to
Cross the 3rd resistance eutral grounding；
The outfan of the second amplifier and the high electrode of the 7th diode are connected, and the low electrode of described 7th diode is by the second electricity
Resistance is connected with the inverting input of the second amplifier；
The outfan of the second amplifier is connected with gauge outfit by electric capacity.
A kind of operation rocking bar circuit structure based on height heat radiation the most according to claim 3, it is characterised in that described electricity
Holding, use plane-parallel capacitor, its medium is varistor.
A kind of operation rocking bar circuit structure based on height heat radiation the most according to claim 1, it is characterised in that described
Small current driving circuit, including
Transistor, its colelctor electrode connects the low electrode of the second diode；
Comparator, its input connects to be had reference voltage and connects the emitter stage of transistor, and outfan is connected to the base of transistor
Pole；
8th diode, its high electrode connects emitter stage and the low electrode connection power supply of transistor.
A kind of operation rocking bar circuit structure based on height heat radiation the most according to claim 1, it is characterised in that described the
One diode or the second diode, including
Body, described body includes the first pin and the second pin, is provided with PN junction between described first pin and the second pin；
Described PN junction is outside equipped with the resin containment vessel wrapping PN junction, and described resin containment vessel is provided with and air contact
Heat sink strip；
The vertical sectional shape of described resin containment vessel is D type, and described heat sink strip is uniformly arranged on the arcwall face of resin containment vessel,
Described heat sink strip extends along the axial direction of body；
Described heat sink strip is arranged in through hole, and described heat sink strip protrudes from the outer wall of resin containment vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596854.5U CN205675234U (en) | 2016-06-16 | 2016-06-16 | A kind of operation rocking bar circuit structure based on height heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620596854.5U CN205675234U (en) | 2016-06-16 | 2016-06-16 | A kind of operation rocking bar circuit structure based on height heat radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205675234U true CN205675234U (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620596854.5U Expired - Fee Related CN205675234U (en) | 2016-06-16 | 2016-06-16 | A kind of operation rocking bar circuit structure based on height heat radiation |
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| Country | Link |
|---|---|
| CN (1) | CN205675234U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329013A (en) * | 2017-06-28 | 2017-11-07 | 扬州大学 | A kind of intelligent electric instrument having from heat-sinking capability |
-
2016
- 2016-06-16 CN CN201620596854.5U patent/CN205675234U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107329013A (en) * | 2017-06-28 | 2017-11-07 | 扬州大学 | A kind of intelligent electric instrument having from heat-sinking capability |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20161109 Termination date: 20180616 |
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| CF01 | Termination of patent right due to non-payment of annual fee |