CN105954604A - Electric control unit device capable of supplying adjustable positive and negative DC current - Google Patents
Electric control unit device capable of supplying adjustable positive and negative DC current Download PDFInfo
- Publication number
- CN105954604A CN105954604A CN201610239835.1A CN201610239835A CN105954604A CN 105954604 A CN105954604 A CN 105954604A CN 201610239835 A CN201610239835 A CN 201610239835A CN 105954604 A CN105954604 A CN 105954604A
- Authority
- CN
- China
- Prior art keywords
- double
- input
- throw switch
- current
- input end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/16—Conversion of dc power input into dc power output without intermediate conversion into ac by dynamic converters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Control Of Voltage And Current In General (AREA)
Abstract
An electric control unit device capable of supplying adjustable positive and negative DC current comprises the components of a double-pole double-throw switch which is provided with a first input end, a second input end, a third input end, a fourth input end, a first output end and a second output end; two sets of adjusting lines, wherein after a first fixed-resistance resistor is serially connected with a first light emitting diode, the first fixed-resistance resistor is parallelly connected with two ends of a first rheostat; after a second fixed-resistance resistor is serially connected with a second light emitting diode, the second fixed-resistor resistor is parallelly connected with two ends of a second rheostat. The output ends of the two sets of the adjusting lines are connected with the first input end, the second input end, the third input end and the fourth input end of the double-pole double-throw switch. The input ''+ '' end of the electric control unit device is connected with the input ends of the two sets of the adjusting lines. The input ''- '' end of the electric control unit device is connected with the second input end and the third input end of the double-pole double-throw switch. The output end of the double-pole double-throw switch is the output end of the electric control unit device. The electric control unit device can realize reverse supplying of current with different magnitudes through one DC power supply and furthermore has a light emitting diode indicating function. High response speed is realized. Furthermore the electric control unit device can be used for calculating actuation time of an electro hydraulic servo valve.
Description
Technical field
The present invention relates to a kind of ECU device, especially relate to a kind of energy and supply adjustable positive and negative DC current
ECU device.
Background technology
When testing aircarrier aircraft parts, need to supply positive and negative different size of unidirectional current to electro-hydraulic servo valve coil
Stream, controls the motion of electro-hydraulic servo valve armature iron beat.The amplitude of beat is decided by the size and Orientation of electric current, passes through
Control beat amplitude and can be achieved with the function that electrohydraulic servo valve controls.
Owing to the coil input end of electrohydraulic servo valve only has two nails, one is positive one negative, and current common practice is to use
Electrohydraulic servo valve is respectively controlled by two DC sources, and two DC sources first regulate output DC current
Size.During test, first with a DC source to electrohydraulic servo valve coil power supply, when needs allow electrohydraulic servo valve
Armature when doing adverse movement, then disconnect DC source, then with another DC source back to electrohydraulic servo valve
Coil power supply, in order to allow electro-hydraulic servo valve armature iron generation beat, reaches the purpose of electro-hydraulic servo control.
But, above-mentioned test process exists following defect: when using the reverse DC source of manual switching, electro-hydraulic
Servo valve has the empty phase of a centre, does not the most reversely supply electric current, wherein contains manually disconnection
With the time connecting DC source, cause being used for the start time calculating electrohydraulic servo valve, it is impossible to determine it
Susceptiveness；And when manual switch reverse current, it is hot line job, may in the moment of off and on
The phenomenon having electric discharge occurs, the electric elements of test block will be exerted an adverse impact by this.
Summary of the invention
The technical problem to be solved, it is simply that provide a kind of and can supply the automatically controlled of adjustable positive and negative DC current
Cell arrangement, only just meets the supply of both forward and reverse directions electric current, and can be used calculating electricity with a DC source
The start time of hydraulic servo, operate the most simple simultaneously.
Solving above-mentioned technical problem, the present invention uses following technical scheme.、
A kind of ECU device that can supply adjustable positive and negative DC current, is characterized in that including:
A kind of ECU device that can supply adjustable positive and negative DC current, including: double-pole double-throw switch 7,
There is first to fourth input 3,4,5 and 6, and the one the second outfans 1 and 2；Two groups of regulation lines
Road, first group is that the first fixed value resistance 5 is connected after the first light emitting diode 3, then be connected in parallel on first can modulation
On resistance device 1 two ends；Second group is that the second fixed value resistance 6 is connected after the second light emitting diode 4, then is connected in parallel on
On second adjustable rheostat 2 two ends；The outfan of two groups of adjusting circuits respectively with the one the of double-point double-throw switch
Four-input terminal 3 connects with 6；The input of ECU device "+" end divides with the input of two groups of adjusting circuits
Not connecting, the "-" end of input is direct and the 2nd the 3rd input 4 and 5 of double-point double-throw switch 7 with wire
Connect simultaneously；The one the second outfans 1 of double-point double-throw switch 7 and 2 namely the one the of ECU device
Two output terminals A and B.
Two groups of described adjusting circuits are identical, namely: the first fixed value resistance 5 is equal to the second fixed value resistance 6, the
One light emitting diode 3 is equal to the second light emitting diode 4, and the first adjustable rheostat 1 is equal to the second adjustable rheostat
2。
Prior art is compared, and the present invention has a following significantly effect:
The present invention uses two groups of adjusting circuits and a double-point double-throw switch, when test, first regulates each group of line
The size of the output electric current that road is corresponding, can be achieved with both forward and reverse directions anti-of electric current by conversion double-point double-throw switch
Turn, and be switched fast；Light emitting diode on circuit can indicate that whether this circuit is energized, and has visualization；
And can not be used in charged in the case of plug electric connection, it is to avoid electrical equipment is impacted.
Accompanying drawing explanation
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the composition structural representation of the present invention.
Detailed description of the invention
As it is shown in figure 1, the ECU device embodiment that adjustable positive and negative DC current can be supplied of the present invention, bag
Include double-pole double-throw switch and two groups of adjusting circuits.
Two groups of adjusting circuits respectively, first group: fixed value resistance 5 is connected after light emitting diode 3, more in parallel
On adjustable rheostat 1 two ends；Second group: fixed value resistance 6 is connected after light emitting diode 4, then is connected in parallel on
On adjustable rheostat 2 two ends；The outfan of two groups of adjusting circuits respectively with the input of described double-point double-throw switch
3 connect with 6；
The input of ECU device "+" end connects with two groups of adjusting circuits, the "-" end wire of input is straight
Connect the nail 4,5 with double-point double-throw switch 7 to connect；The rear end of two groups of adjusting circuits respectively with double-point double-throw switch
Nail 3,6 connection；The nail 1,2 of double-point double-throw switch 7 respectively with output terminals A, the B of ECU device
Connection.
The piece number of the double-point double-throw switch that the present embodiment uses is T-23BS 6P ON-OFF-ON DPDT, producer:
Taiwan HIGHLY Hai Li；The scope of the adjustable resistor used is 0-1000 Ω；The fixed value resistance used is 1000
Ω；The light emitting diode piece number used is WL-19040357.
The work process of the present invention is as follows:
(1) power supply is connected:
The output " +/-" of one DC source is held connect corresponding with the input of automatically controlled power supply " +/-" end.
(2) regulation size of current:
Double-point double-throw switch 7 is upwards dialled, allows the nail 1 of double-point double-throw switch 7 connect with 3, follow closely 2 and 4
Connect, measure I with the current gear of circuit testerABSize, regulate adjustable resistor 1, allow output electric current big
Little at 500mA ± 10mA.
Again by double-point double-throw switch 7 to setting aside, allow the nail 1 of double-point double-throw switch 7 connect with 5, follow closely 2
Connect with 6, measure I with the current gear of circuit testerABSize, regulate adjustable resistor 2, allow output electricity
Stream size is at 400mA ± 10mA.
(3) test process:
Disconnect circuit tester, the output A/B end of ECU device is connected to electrohydraulic servo valve input pin
On, when double-point double-throw switch 7 is in middle gear, electro-hydraulic servo valve coil must not electricity；Work as DPDT
When switch 7 is upwards dialled, nail 1 is connected with 3, and nail 2 is connected with 4, the now output A end of ECU
For positive pole, output B end is negative pole, and size of current value is 500mA ± 10mA.At this moment, switching current is needed
Direction, controls electrohydraulic servo valve start, as long as quickly down stirring double-point double-throw switch 7, just can allow nail 1
Connecting with 5, nail 2 is connected with 6, and the most automatically controlled power supply output A end is negative pole, and output B end is positive pole,
Size of current value 400mA ± 10mA, this completes the reverse conversion of electric current, thus makees galvanic electricity rapidly
Hydraulic servo.
Claims (3)
1. can supply an ECU device for adjustable positive and negative DC current, it is characterized in that including:
A kind of ECU device that can supply adjustable positive and negative DC current, including: double-pole double-throw is opened
Close (7), there is first to fourth input (3,4,5 and 6), and the one the second outfans (1
With 2)；
Two groups of adjusting circuits, first group is that the first fixed value resistance (5) is connected the first light emitting diode (3)
Afterwards, then be connected in parallel on the first adjustable rheostat (1) two ends；Second group is the second fixed value resistance (6)
Connect after the second light emitting diode (4), then be connected in parallel on the second adjustable rheostat (2) two ends；
The outfan of two groups of adjusting circuits is respectively with a four-input terminal (3 and 6) of double-point double-throw switch even
Logical；
The input of ECU device "+" end is respectively communicated with the input of two groups of adjusting circuits, inputs
"-" end with wire directly with the 2nd the 3rd input (4 and 5) of double-point double-throw switch (7) together
Shi Liantong；The one the second outfans (1 and 2) of double-point double-throw switch (7) namely ECU dress
The the one the second outfans (A and B) put.
The ECU device that can supply adjustable positive and negative DC current the most according to claim 1,
It is characterized in that: two groups of described adjusting circuits are identical.
The ECU device that can supply adjustable positive and negative DC current the most according to claim 2,
It is characterized in that: described double-point double-throw switch is T-23BS 6P ON-OFF-ON DPDT, and described can
The scope adjusting resistor is 0-1000 Ω；Described fixed value resistance is 1000 Ω；Described light-emitting diodes
Pipe is WL-19040357.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239835.1A CN105954604B (en) | 2016-04-15 | 2016-04-15 | A kind of electronic control unit device that can supply adjustable positive and negative DC current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610239835.1A CN105954604B (en) | 2016-04-15 | 2016-04-15 | A kind of electronic control unit device that can supply adjustable positive and negative DC current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105954604A true CN105954604A (en) | 2016-09-21 |
| CN105954604B CN105954604B (en) | 2018-12-04 |
Family
ID=56917573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610239835.1A Active CN105954604B (en) | 2016-04-15 | 2016-04-15 | A kind of electronic control unit device that can supply adjustable positive and negative DC current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105954604B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1730837B1 (en) * | 2004-03-22 | 2010-09-15 | Somfy SAS | Control device for roller shutter drive motor |
| CN102970011A (en) * | 2012-11-13 | 2013-03-13 | 海能达通信股份有限公司 | Load device, power line and reverse connection preventing device |
| CN104362731A (en) * | 2014-10-31 | 2015-02-18 | 成都利邦科技有限公司 | Dual power automatic switchover system for security and protection equipment |
| CN104602386A (en) * | 2013-10-31 | 2015-05-06 | 深圳市海洋王照明工程有限公司 | Positive and negative polarity conversion circuit and LED lamp |
-
2016
- 2016-04-15 CN CN201610239835.1A patent/CN105954604B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1730837B1 (en) * | 2004-03-22 | 2010-09-15 | Somfy SAS | Control device for roller shutter drive motor |
| CN102970011A (en) * | 2012-11-13 | 2013-03-13 | 海能达通信股份有限公司 | Load device, power line and reverse connection preventing device |
| CN104602386A (en) * | 2013-10-31 | 2015-05-06 | 深圳市海洋王照明工程有限公司 | Positive and negative polarity conversion circuit and LED lamp |
| CN104362731A (en) * | 2014-10-31 | 2015-02-18 | 成都利邦科技有限公司 | Dual power automatic switchover system for security and protection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105954604B (en) | 2018-12-04 |
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