CN104331064B - Bidirectional power supply control circuit for measurement and control equipment and control method thereof - Google Patents
Bidirectional power supply control circuit for measurement and control equipment and control method thereof Download PDFInfo
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- CN104331064B CN104331064B CN201410531531.3A CN201410531531A CN104331064B CN 104331064 B CN104331064 B CN 104331064B CN 201410531531 A CN201410531531 A CN 201410531531A CN 104331064 B CN104331064 B CN 104331064B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
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Abstract
The invention provides a bidirectional power supply control circuit for measurement and control equipment and a control method thereof. Forward and reverse working power can be provided for the outside. According to the circuit, V2 and V2GND are adopted to supply power to coils of two electromagnetic relays K1 and K2 respectively, and the normally open contacts of two instantaneous self-locking button switches respectively control on-off of power supply circuits of the coils of K1 and K2. Then, the normally open contacts of the two electromagnetic relays connect V1 and V1GND to two output contacts out1 and out2 in a staggered way. Therefore, when the corresponding instantaneous self-locking button switches are pressed, out1 and out2 can output corresponding forward voltage or reverse voltage, namely, conversion between forward and reverse voltages is realized on the same circuit through circuit control, and only one kind (forward/reverse) of power supply signal can be effectively output at any moment. With the circuit, state control on the measurement and control equipment can be accurately completed, and the safety of operation execution can be ensured.
Description
Technical field
The invention belongs to testing and control technical field is and in particular to a kind of bidirectional power supply control circuit for measuring and controlling equipment
And its control method.
Background technology
In testing and control field, some controlled plants need TT＆C system to provide forward and reverse two-way work for its timesharing
Make electricity consumption.For this reason, generally, measuring and controlling equipment is the consistent power supply of two groups of parameters of application, by different supply accesses, point
When provide forward and reverse work electricity consumption for controlled plant.
In the technical literature " test of missile launching control system " that Yuhang Publishing House announces, Testing and emission system is formed substantially former
Reason description refers to: the electricity consumption that works is supplied to distribution transfer box by ground power supply, after its conversion, is supplied to measurand.
Although more design method demonstrates certain feasibility through model test, there is problems in that
In order to timesharing provides forward and reverse two-way operation electricity consumption to controlled plant, in the inside of measuring and controlling equipment, need to design
There is the consistent power module of two groups of parameters.If the power demands parameter of controlled plant is larger, will result in the body of power module
Long-pending larger and heavier, thus leading to the volume of equipment, weight all to greatly increase, be unfavorable for measuring and controlling equipment Miniaturization Design,
Outfield is portable and system is launched rapidly.Simultaneously as two groups of power modules are timesharing applications, its job specification is single, certain
It is to a kind of waste grinding examination resource in degree.
Therefore, the bidirectional power supply control circuit adapting to following observation and control technology development need to be furtherd investigate.
Content of the invention
In view of this, the present invention proposes a kind of bidirectional power supply control circuit for measuring and controlling equipment, can be implemented as outer
Portion's electrical equipment provides forward and reverse work electricity consumption, and power supplying control signal is accurately and reliably, both can accurately complete to electrical equipment
State control, again can guarantee that operation execution when safety.
For reaching above-mentioned purpose, the technical scheme is that this circuit includes electromagnetic relay k1And electromagnetic relay
k2, fly-wheel diode l1And l2, wink move self-locking button switch sk1And sk2.
Electromagnetic relay k1There is line bag b1, normally opened contact k1-1And its correspond to common port com1-1, and normally opened contact k1-2
And its correspond to common port com1-2.
Electromagnetic relay k2There is line bag b2, normally opened contact k2-1And its correspond to common port com2-1, and normally opened contact k2-2
And its correspond to common port com2-2.
Wink moves self-locking button switch sk1There is normally opened contact sk1-1And its correspond to common port coms1-1, and normally opened contact
sk1-2And its correspond to common port coms1-2.
Wink moves self-locking button switch sk2There is normally opened contact sk2-1And its correspond to common port coms2-1, and normally opened contact
sk2-2And its correspond to common port coms2-2.
The power supply signal of this circuit includes two-way, is respectively as follows: positive voltage signal v1With negative voltage signal v1Gnd, positive voltage is believed
Number v2With negative voltage signal v2gnd.
Its annexation is: normally opened contact sk1-1Meet v2Gnd, its corresponding common port coms1-1Connecting line bag b1Negative power supply
Port；Normally opened contact sk1-2Connect v2, its corresponding common port coms1-2Connecting line bag b1Positive supply port；Fly-wheel diode l1
Negative electrode connecting line bag b1Positive supply port, anode and line bag b1Negative supply port connect.
Normally opened contact sk2-1Connect v2Gnd, its corresponding common port coms2-1Connecting line bag b2Negative supply port；Normally opened tactile
Point sk2-2Connect v2, its corresponding common port coms2-2With line bag b2Positive supply port connect；Fly-wheel diode l2Negative electrode connect
Line bag b2Positive supply port, anode connecting line bag b2Negative supply port.
Common port com1-1With v1Connect, normally opened contact k1-1Connect the first contact out of measuring and controlling equipment output interface1；Public
End com1-2With v1Gnd connects, normally opened contact k1-2Connect the second contact out of measuring and controlling equipment output interface2；Common port com2-1With
v1Connect, normally opened contact k2-1Connect the second contact out of measuring and controlling equipment output interface2；Common port com2-2With v1Gnd connects, often
Open contact k2-2Connect the first contact out of measuring and controlling equipment output interface1.
Further, present invention also offers a kind of bidirectional power supply control method for measuring and controlling equipment, the method operates
Simply, reliable, the state to controlled plant that can either accurately complete controls, and can guarantee that safety during operation execution again.
The technical scheme of the method is: the power-supplying circuit that such scheme is provided is integrated in measuring and controlling equipment, will survey
First contact out of control equipment output interface1It is linked into the voltage input end 1 of electrical equipment, simultaneously by the second contact out2Access
To the voltage input end 2 of electrical equipment, the method includes positive work electricity suppl and stops for flow process s1～s2, and reverse work
Act on electricity suppl and stop for flow process ss1～ss2:
S1, wink move self-locking button switch sk2It is in the normal state, press wink and move self-locking button switch sk1, normally opened contact sk1-1With
Normally opened contact sk1-2All close, line bag b1By positive voltage signal v2With negative voltage signal v2Gnd is powered, its normally opened contact k1-1
With normally opened contact k1-2Closure, positive voltage signal v1Deliver to the first contact out of measuring and controlling equipment output interface1, negative voltage signal
v1Gnd delivers to the second contact out of measuring and controlling equipment output interface2, thus providing positive work electricity consumption for electrical equipment.
S2, by wink move self-locking button switch sk1Return to normal, then normally opened contact sk1-1With normally opened contact sk1-2All disconnect,
Line bag b1Power-off, its normally opened contact k1-1With normally opened contact k1-2Disconnect, then positive voltage signal v1With negative voltage signal v1Gnd is no longer
By the first contact out of measuring and controlling equipment output interface1, the second contact out2There is provided positive work electricity consumption for electrical equipment.
Ss1, wink move self-locking button switch sk1It is in the normal state, press wink and move self-locking button switch sk2, its normally opened contact sk2-1
With normally opened contact sk2-2All close, line bag b2By positive voltage signal v2With negative voltage signal v2Gnd is powered, normally opened contact k2-1
With normally opened contact k2-2Closure, then positive voltage signal v1By the second contact out of measuring and controlling equipment output interface2Output, negative voltage
Signal v1Gnd passes through the first contact out of measuring and controlling equipment output interface1Output, thus provide reverse operation to use for electrical equipment
Electricity.
Ss2, by wink move self-locking button switch sk2Recover to normality, normally opened contact sk2-1With normally opened contact sk2-2All disconnect,
Line bag b2Power-off, its normally opened contact k2-1With normally opened contact k2-2Disconnect, then negative voltage signal v1Gnd and positive voltage signal v1No longer
By the first contact out of measuring and controlling equipment output interface1, the second contact out2There is provided negative sense work electricity consumption for electrical equipment.
Beneficial effect:
(1), the present invention, in circuit design, using the design philosophy of integrated planning, timesharing application, is continued by two electromagnetism
Electrical equipment carries out two groups of different paths and controls, and this two electromagnetic relays are moved self-locking button switch again respectively two groups of winks and control.
When corresponding wink, dynamic self-locking button switch was pressed, ensure that the out by measuring and controlling equipment external interface1And out2Contact
Export corresponding positive voltage or counter voltage signal, the forward and reverse conversion of voltage is thus achieved on same circuit, and energy
Enough guarantee at any time, have and only a kind of (forward or backwards) power supply signal can pass through output port, carry out effectively defeated
Go out；This circuit provides forward and reverse work electricity consumption for external equipment, and power supplying control signal is accurately and reliably, both can accurately complete
The state of controlled plant is controlled, can guarantee that safety during operation execution again.
(2), in circuit of the present invention, application comprises the electromagnetic relay of multigroup contact as the forward and reverse conversion of power supply signal
Path control part, device is simple and reliable, while guaranteeing that power supply signal is accurately and efficiently supplied to controlled plant, only carries out
One-level controls the accurate output that can complete power supply signal, greatlys save development resource.
(3), present invention selection high-quality wink dynamic self-locking button switch is reliably complete as the normally opened contact of electromagnetic relay
The performer becoming path control function is it is ensured that power supply signal is accurately and efficiently supplied to electrical equipment.
(4) present invention also offers a kind of bidirectional power supply control method for foregoing circuit, that is, press corresponding wink and move
Self-locking button switch is it is ensured that pass through the out of measuring and controlling equipment external interface1And out2The contact corresponding positive voltage of output or anti-electricity
Pressure, thus achieves the forward and reverse conversion of voltage on same circuit, and is able to ensure that at any time, has and only one
Plant (forward or backwards) power supply signal effectively to be exported by the output port of measuring and controlling equipment；The method is simple to operate,
Reliable, the state to controlled plant that can accurately complete controls, and can guarantee that safety during operation execution again.
Brief description
Fig. 1 is a kind of bidirectional power supply control circuit principle schematic for measuring and controlling equipment.
Specific embodiment
Develop simultaneously embodiment below in conjunction with the accompanying drawings, describes the present invention.
Present embodiments provide a kind of bidirectional power supply control circuit for measuring and controlling equipment, the power supply signal of this circuit includes
Two-way: positive voltage signal v1With negative voltage signal v1Gnd, positive voltage signal v2With negative voltage signal v2gnd.
As shown in figure 1, this circuit includes electromagnetic relay k1With electromagnetic relay k2, fly-wheel diode l1With afterflow two pole
Pipe l2, wink move self-locking button switch sk1Move self-locking button switch sk with wink2.In the present embodiment, wink is moved self-locking button switch and selects
3pst (￠ 16) the type Instant-on push-button switch of deca company, electromagnetic relay selects Guizhou Space Electric Co., Ltd
Jqx-030ma, fly-wheel diode selects in4007.
Electromagnetic relay k1There is line bag b1, normally opened contact k1-1And its correspond to common port com1-1, and normally opened contact k1-2
And its correspond to common port com1-2.Electromagnetic relay k2There is line bag b2, normally opened contact k2-1And its correspond to common port com2-1, and
Normally opened contact k2-2And its correspond to common port com2-2.
For electromagnetic relay, it includes multigroup normally opened contact and normally-closed contact, and one group of each common port correspondence is normal
Open contact and one group of normally-closed contact, only need to choose on the normally opened contact of conventional electromagnetic relay and its common port herein.
Wink moves self-locking button switch sk1There is normally opened contact sk1-1And its correspond to common port coms1-1, and normally opened contact
sk1-2And its correspond to common port coms1-2.
Wink moves self-locking button switch sk2There is normally opened contact sk2-1And its correspond to common port coms2-1, and normally opened contact
sk2-2And its correspond to common port coms2-2.
Its annexation is: normally opened contact sk1-1Connect v2Gnd, its corresponding common port coms1-1Connecting line bag b1Negative confession
Electric port；Normally opened contact sk1-2Connect v2, its corresponding common port coms1-2Connecting line bag b1Positive supply port；Fly-wheel diode
l1Negative electrode connecting line bag b1Positive supply port, anode and line bag b1Negative supply port connect.
Normally opened contact sk2-1Connect v2Gnd, its corresponding common port coms2-1Connecting line bag b2Negative supply port；Normally opened tactile
Point sk2-2Connect v2, its corresponding common port coms2-2With line bag b2Positive supply port connect；Fly-wheel diode l2Negative electrode connect
Line bag b2Positive supply port, anode connecting line bag b2Negative supply port.
Common port com1-1With v1Connect, normally opened contact k1-1Connect the first contact out of measuring and controlling equipment output interface1；Public
End com1-2With v1Gnd connects, normally opened contact k1-2Connect the second contact out of measuring and controlling equipment output interface2；Common port com2-1With
v1Connect, normally opened contact k2-1Connect the second contact out of measuring and controlling equipment output interface2；Common port com2-2With v1Gnd connects, often
Open contact k2-2Connect the first contact out of measuring and controlling equipment output interface1.
This circuit mainly applies wink to move self-locking button switch sk1Move self-locking button switch sk with wink2To electromagnetic relay k1With
Electromagnetic relay k2Work electricity consumption carry out path control；Its operation principle is mainly as follows: moves self-locking button switch when pressing wink
sk1When, electromagnetic relay k1Supply access connect；Move self-locking button switch sk when wink1When returning to normal, electromagnetic relay k1
Supply access disconnect；
Move self-locking button switch sk when pressing wink2When, electromagnetic relay k2Supply access connect；Move locking press button when wink
Switch sk2When returning to normal, electromagnetic relay k2Supply access disconnect.
Embodiment 2:
Using the power-supplying circuit being given in such as embodiment 1 in the present embodiment, this circuit is integrated in measuring and controlling equipment,
The first contact out by measuring and controlling equipment output interface1It is linked into the voltage input end 1 of electrical equipment, by the second contact out2Access
To the voltage input end 2 of electrical equipment, then this circuit can carry out forward voltage supply and anti-by the method that the present embodiment provides
To voltage supply and conversion therebetween.
The method of the present embodiment specifically includes positive work electricity suppl and stops for flow process s1～s2, and reverse operation is used
Electricity suppl and offer flow process ss1～ss2:
S1, wink move self-locking button switch sk2It is in the normal state, press wink and move self-locking button switch sk1, normally opened contact sk1-1With
Normally opened contact sk1-2All close, line bag b1By positive voltage signal v2With negative voltage signal v2Gnd is powered, its normally opened contact k1-1
With normally opened contact k1-2Closure, positive voltage signal v1Deliver to the first contact out of measuring and controlling equipment output interface1, negative voltage signal
v1Gnd delivers to the second contact out of measuring and controlling equipment output interface2, thus providing positive work electricity consumption for electrical equipment；
S2, by wink move self-locking button switch sk1Return to normal, then normally opened contact sk1-1With normally opened contact sk1-2All disconnect,
Line bag b1Power-off, its normally opened contact k1-1With normally opened contact k1-2Disconnect, then positive voltage signal v1With negative voltage signal v1Gnd is no longer
By the first contact out of measuring and controlling equipment output interface1, the second contact out2There is provided positive work electricity consumption for electrical equipment；
Ss1, wink move self-locking button switch sk1It is in the normal state, press wink and move self-locking button switch sk2, its normally opened contact sk2-1
With normally opened contact sk2-2All close, line bag b2By positive voltage signal v2With negative voltage signal v2Gnd is powered, normally opened contact k2-1
With normally opened contact k2-2Closure, then positive voltage signal v1By the second contact out of measuring and controlling equipment output interface2Output, negative voltage
Signal v1Gnd passes through the first contact out of measuring and controlling equipment output interface1Output, thus provide reverse operation to use for electrical equipment
Electricity；
Ss2, by wink move self-locking button switch sk2Recover to normality, normally opened contact sk2-1With normally opened contact sk2-2All disconnect,
Line bag b2Power-off, its normally opened contact k2-1With normally opened contact k2-2Disconnect, then negative voltage signal v1Gnd and positive voltage signal v1No longer
By the first contact out of measuring and controlling equipment output interface1, the second contact out2There is provided negative sense work electricity consumption for electrical equipment.
In sum, these are only presently preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.
All any modification, equivalent substitution and improvement within the spirit and principles in the present invention, made etc., should be included in the present invention's
Within protection domain.
Claims (2)
1. a kind of bidirectional power supply control circuit for measuring and controlling equipment is it is characterised in that this circuit includes electromagnetic relay k1And electricity
Magnetic relay k2, fly-wheel diode l1And l2, wink move self-locking button switch sk1And sk2；
Described electromagnetic relay k1There is line bag b1, normally opened contact k1-1And its correspond to common port com1-1, and normally opened contact k1-2
And its correspond to common port com1-2；
Described electromagnetic relay k2There is line bag b2, normally opened contact k2-1And its correspond to common port com2-1, and normally opened contact k2-2
And its correspond to common port com2-2；
Described wink moves self-locking button switch sk1There is normally opened contact sk1-1And its correspond to common port coms1-1, and normally opened contact
sk1-2And its correspond to common port coms1-2；
Described wink moves self-locking button switch sk2There is normally opened contact sk2-1And its correspond to common port coms2-1, and normally opened contact
sk2-2And its correspond to common port coms2-2；
The power supply signal of this circuit includes two-way, is respectively as follows: positive voltage signal v1With negative voltage signal v1Gnd, positive voltage signal v2
With negative voltage signal v2gnd；
Its annexation is: described normally opened contact sk1-1Meet v2Gnd, its corresponding common port coms1-1Connecting line bag b1Negative power supply
Port；Described normally opened contact sk1-2Connect v2, its corresponding common port coms1-2Connecting line bag b1Positive supply port；Described afterflow
Diode l1Negative electrode connecting line bag b1Positive supply port, anode and line bag b1Negative supply port connect；
Described normally opened contact sk2-1Connect v2Gnd, its corresponding common port coms2-1Connecting line bag b2Negative supply port；Described normal
Open contact sk2-2Connect v2, its corresponding common port coms2-2With line bag b2Positive supply port connect；Described fly-wheel diode l2's
Negative electrode connecting line bag b2Positive supply port, anode connecting line bag b2Negative supply port；
Described common port com1-1With v1Connect, normally opened contact k1-1Connect the first contact out of measuring and controlling equipment output interface1；Described
Common port com1-2With v1Gnd connects, normally opened contact k1-2Connect the second contact out of measuring and controlling equipment output interface2；Described public
End com2-1With v1Connect, normally opened contact k2-1Connect the second contact out of measuring and controlling equipment output interface2；Described common port com2-2
With v1Gnd connects, normally opened contact k2-2Connect the first contact out of measuring and controlling equipment output interface1.
2. a kind of bidirectional power supply control method for measuring and controlling equipment is it is characterised in that the method first will be as claim 1 institute
The power-supplying circuit stated is integrated in measuring and controlling equipment, by the first contact out of measuring and controlling equipment output interface1It is linked into electricity consumption to set
Standby voltage input end 1, simultaneously by the second contact out2It is linked into the voltage input end 2 of electrical equipment, the method includes forward direction
Work electricity suppl and stopping for flow process s1～s2, and reverse operation electricity suppl and stop for flow process ss1～ss2:
S1, wink move self-locking button switch sk2It is in the normal state, press wink and move self-locking button switch sk1, normally opened contact sk1-1With normally opened
Contact sk1-2All close, line bag b1By positive voltage signal v2With negative voltage signal v2Gnd is powered, its normally opened contact k1-1With normal
Open contact k1-2Closure, positive voltage signal v1Deliver to the first contact out of measuring and controlling equipment output interface1, negative voltage signal v1Gnd send
The second contact out to measuring and controlling equipment output interface2, thus providing positive work electricity consumption for electrical equipment；
S2, by wink move self-locking button switch sk1Return to normal, then normally opened contact sk1-1With normally opened contact sk1-2All disconnect, line bag b1
Power-off, its normally opened contact k1-1With normally opened contact k1-2Disconnect, then positive voltage signal v1With negative voltage signal v1Gnd no longer passes through to survey
First contact out of control equipment output interface1, the second contact out2There is provided positive work electricity consumption for electrical equipment；
Ss1, wink move self-locking button switch sk1It is in the normal state, press wink and move self-locking button switch sk2, its normally opened contact sk2-1With normal
Open contact sk2-2All close, line bag b2By positive voltage signal v2With negative voltage signal v2Gnd is powered, normally opened contact k2-1With normal
Open contact k2-2Closure, then positive voltage signal v1By the second contact out of measuring and controlling equipment output interface2Output, negative voltage signal
v1Gnd passes through the first contact out of measuring and controlling equipment output interface1Output, thus provide reverse operation electricity consumption for electrical equipment；
Ss2, by wink move self-locking button switch sk2Recover to normality, normally opened contact sk2-1With normally opened contact sk2-2All disconnect, line bag
b2Power-off, its normally opened contact k2-1With normally opened contact k2-2Disconnect, then negative voltage signal v1Gnd and positive voltage signal v1No longer pass through
First contact out of measuring and controlling equipment output interface1, the second contact out2There is provided negative sense work electricity consumption for electrical equipment.
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| CN201410531531.3A CN104331064B (en) | 2014-10-10 | 2014-10-10 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
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| CN201410531531.3A CN104331064B (en) | 2014-10-10 | 2014-10-10 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
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| CN104331064B true CN104331064B (en) | 2017-02-01 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105277081B (en) * | 2015-11-13 | 2017-03-22 | 北京电子工程总体研究所 | I/O testing monitoring device and method for automatic missile testing |
| CN105305595B (en) * | 2015-12-01 | 2017-11-21 | 中国航天科技集团公司第四研究院第四十一研究所 | A kind of distribution holding circuit applied to airborne equipment |
| CN110855126B (en) * | 2019-11-20 | 2021-12-31 | 天津津航计算技术研究所 | Take self preservation function's isolation power supply output circuit |
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| WO2013146432A1 (en) * | 2012-03-26 | 2013-10-03 | 三菱重工業株式会社 | Central control device of nuclear power plant, plant operation assistance device and plant operation assistance method |
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