CN104331064A - 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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- CN104331064A CN104331064A CN201410531531.3A CN201410531531A CN104331064A CN 104331064 A CN104331064 A CN 104331064A CN 201410531531 A CN201410531531 A CN 201410531531A CN 104331064 A CN104331064 A CN 104331064A
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- normally opened
- opened contact
- contact
- voltage signal
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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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Keying Circuit Devices (AREA)
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, be specifically related to a kind of bidirectional power supply control circuit for measuring and controlling equipment and control method thereof.
Background technology
In testing and control field, some controlled plant needs TT&C system to provide forward and reverse two-way operation electricity consumption for its timesharing.For this reason, generally, measuring and controlling equipment is the power supply that application two groups of parameters are consistent, and by different supply accesses, timesharing provides 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 basic composition principles illustrated is mentioned: work electricity consumption is supplied to distribution transfer box by ground power supply, after its conversion, be supplied to measurand.
Although more design method demonstrates certain feasibility through model test, there is following problem:
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 be designed with the consistent power module of two groups of parameters.If the power demands parameter of controlled plant is comparatively large, will cause the volume of power module more greatly and heavier, thus cause the volume of equipment, weight increases all greatly, is unfavorable for that the portable and system in the Miniaturization Design of measuring and controlling equipment, outfield is launched rapidly.Meanwhile, because two groups of power modules are timesharing application, its job specification is single, is the one waste to grinding examination resource to a certain extent.
Therefore, the bidirectional power supply control circuit adapting to the development of following observation and control technology need be furtherd investigate.
Summary of the invention
In view of this, the present invention proposes a kind of bidirectional power supply control circuit for measuring and controlling equipment, the work electricity consumption that external electric equipment provides forward and reverse can be embodied as, and power supplying control signal accurately and reliably, both accurately can complete and the state of consumer had been controlled, and can ensure again to operate security when performing.
For achieving the above object, technical scheme of the present invention is: this circuit comprises electromagnetic relay K
1with electromagnetic relay K
2, fly-wheel diode L
1and L
2, move self-locking button switch SK wink
1and SK
2.
Electromagnetic relay K
1there is line bag B
1, normally opened contact K
1-1and corresponding common port COM
1-1, and normally opened contact K
1-2and corresponding common port COM
1-2.
Electromagnetic relay K
2there is line bag B
2, normally opened contact K
2-1and corresponding common port COM
2-1, and normally opened contact K
2-2and corresponding common port COM
2-2.
Move self-locking button switch SK wink
1there is normally opened contact SK
1-1and corresponding common port COM
s1-1, and normally opened contact SK
1-2and corresponding common port COM
s1-2.
Move self-locking button switch SK wink
2there is normally opened contact SK
2-1and corresponding common port COM
s2-1, and normally opened contact SK
2-2and corresponding common port COM
s2-2.
The power supply signal of this circuit comprises two-way, is respectively: positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND.
Its annexation is: normally opened contact SK
1-1meet V
2gND, its corresponding common port COM
s1-1connecting line bag B
1negative power supply port; Normally opened contact SK
1-2connect V
2, its corresponding common port COM
s1-2connecting line bag B
1just power supply port; Fly-wheel diode L
1negative electrode connecting line bag B
1just power supply port, anode and line bag B
1negative power supply port connect.
Normally opened contact SK
2-1connect V
2gND, its corresponding common port COM
s2-1connecting line bag B
2negative power supply port; Normally opened contact SK
2-2connect V
2, its corresponding common port COM
s2-2with line bag B
2just power supply port connect; Fly-wheel diode L
2negative electrode connecting line bag B
2just power supply port, anode connecting line bag B
2negative power supply port.
Common port COM
1-1with V
1connect, normally opened contact K
1-1connect the first contact out of measuring and controlling equipment output interface
1; Common port COM
1-2with V
1gND connects, normally opened contact K
1-2connect the second contact out of measuring and controlling equipment output interface
2; Common port COM
2-1with V
1connect, normally opened contact K
2-1connect the second contact out of measuring and controlling equipment output interface
2; Common port COM
2-2with V
1gND connects, normally opened contact K
2-2connect the first contact out of measuring and controlling equipment output interface
1.
Further, present invention also offers a kind of bidirectional power supply control method for measuring and controlling equipment, the method is simple to operate, reliable, accurately can either complete and control the state of controlled plant, can ensure again to operate security when performing.
The technical scheme of the method is: the power-supplying circuit provided by such scheme is integrated in measuring and controlling equipment, by the first contact out of measuring and controlling equipment output interface
1be linked into the voltage input end 1 of consumer, simultaneously by the second contact out
2be linked into the voltage input end 2 of consumer, the method comprises forward work electricity consumption supply and stops for flow process S1 ~ S2, and reverse operation electricity consumption is supplied and stops for flow process SS1 ~ SS2:
S1, move self-locking button switch SK wink
2be in the normal state, press and move self-locking button switch SK wink
1, normally opened contact SK
1-1with normally opened contact SK
1-2all closed, line bag B
1by positive voltage signal V
2with negative voltage signal V
2gND powers, its normally opened contact K
1-1with normally opened contact K
1-2closed, positive voltage signal V
1deliver to the first contact out of measuring and controlling equipment output interface
1, negative voltage signal V
1gND delivers to the second contact out of measuring and controlling equipment output interface
2, thus provide forward work electricity consumption for consumer.
S2, self-locking button switch SK will be moved wink
1return to normal, then normally opened contact SK
1-1with normally opened contact SK
1-2all disconnect, line bag B
1power-off, its normally opened contact K
1-1with normally opened contact K
1-2disconnect, then positive voltage signal V
1with negative voltage signal V
1gND is no longer by the first contact out of measuring and controlling equipment output interface
1, the second contact out
2for consumer provides forward work electricity consumption.
SS1, move self-locking button switch SK wink
1be in the normal state, press and move self-locking button switch SK wink
2, its normally opened contact SK
2-1with normally opened contact SK
2-2all closed, line bag B
2by positive voltage signal V
2with negative voltage signal V
2gND powers, normally opened contact K
2-1with normally opened contact K
2-2closed, then positive voltage signal V
1by the second contact out of measuring and controlling equipment output interface
2export, negative voltage signal V
2gND is by the first contact out of measuring and controlling equipment output interface
1export, thus provide reverse operation electricity consumption for consumer.
SS2, self-locking button switch SK will be moved wink
2return to normality, normally opened contact SK
2-1with normally opened contact SK
2-2all disconnect, line bag B
2power-off, its normally opened contact K
2-1with normally opened contact K
2-2disconnect, then negative voltage signal V
1gND and positive voltage signal V
1no longer by the first contact out of measuring and controlling equipment output interface
1, the second contact out
2for consumer provides negative sense work electricity consumption.
Beneficial effect:
(1), the present invention in circuit design, adopt the design philosophy of integrated planning, timesharing application, carry out two groups of different paths by two electromagnetic relays and control, these two electromagnetic relays move self-locking button switch wink by two groups respectively again and control.When moving self-locking button switch corresponding wink and being pressed, the out by measuring and controlling equipment external interface can be ensured
1and out
2contact exports corresponding positive voltage or inverse voltage signal, the forward and reverse conversion of voltage is achieved thus on same circuit, and can guarantee at any time, have and only have one (forward or backwards) power supply signal to pass through output port, effectively exporting; This circuit provides forward and reverse work electricity consumption for external unit, and power supplying control signal accurately and reliably, both accurately can complete controlling the state of controlled plant, can ensure again to operate security when performing.
(2), in circuit of the present invention, application comprises the path control part of electromagnetic relay as the forward and reverse conversion of power supply signal of many group contacts, device is simple and reliable, while guaranteeing that power supply signal is supplied to controlled plant accurately and efficiently, only carry out the accurate output that one-level controls just can complete power supply signal, greatly save development resource.
(3), the present invention selects to move in high-quality wink self-locking button switch reliably completes path controlling functions performer as the normally opened contact of electromagnetic relay, guarantees that power supply signal is supplied to consumer accurately and efficiently.
(4), present invention also offers a kind of bidirectional power supply control method for foregoing circuit, namely press and corresponding wink move self-locking button switch, ensure the out by measuring and controlling equipment external interface
1and out
2contact exports corresponding positive voltage or inverse voltage, the forward and reverse conversion of voltage is achieved thus on same circuit, and can guarantee at any time, have and only have one (forward or backwards) power supply signal by the output port of measuring and controlling equipment, effectively can to export; The method is simple to operate, reliable, accurately can complete and control the state of controlled plant, can ensure again to operate security when performing.
Accompanying drawing explanation
Fig. 1 is a kind of bidirectional power supply control circuit principle schematic for measuring and controlling equipment.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, describe 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 comprises two-way: positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND.
As shown in Figure 1, this circuit comprises electromagnetic relay K
1with electromagnetic relay K
2, fly-wheel diode L
1with fly-wheel diode L
2, move self-locking button switch SK wink
1with move self-locking button switch SK wink
2.Move 3PST (￠ 16) the type Instant-on push-button switch that self-locking button switch selects DECA company in the present embodiment wink, the JQX-030MA of Guizhou Space Electric Co., Ltd selected by electromagnetic relay, and fly-wheel diode selects IN4007.
Electromagnetic relay K
1there is line bag B
1, normally opened contact K
1-1and corresponding common port COM
1-1, and normally opened contact K
1-2and corresponding common port COM
1-2.Electromagnetic relay K
2there is line bag B
2, normally opened contact K
2-1and corresponding common port COM
2-1, and normally opened contact K
2-2and corresponding common port COM
2-2.
For electromagnetic relay, it comprises many group normally opened contacts and normally closed contact, and the corresponding one group of normally opened contact of each common port and one group of normally closed contact, only need choose herein on the normally opened contact of conventional electromagnetic relay and common port thereof.
Move self-locking button switch SK wink
1there is normally opened contact SK
1-1and corresponding common port COM
s1-1, and normally opened contact SK
1-2and corresponding common port COM
s1-2.
Move self-locking button switch SK wink
2there is normally opened contact SK
2-1and corresponding common port COM
s2-1, and normally opened contact SK
2-2and corresponding common port COM
s2-2.
Its annexation is: normally opened contact SK
1-1connect V
2gND, its corresponding common port COM
s1-1connecting line bag B
1negative power supply port; Normally opened contact SK
1-2connect V
2, its corresponding common port COM
s1-2connecting line bag B
1just power supply port; Fly-wheel diode L
1negative electrode connecting line bag B
1just power supply port, anode and line bag B
1negative power supply port connect.
Normally opened contact SK
2-1connect V
2gND, its corresponding common port COM
s2-1connecting line bag B
2negative power supply port; Normally opened contact SK
2-2connect V
2, its corresponding common port COM
s2-2with line bag B
2just power supply port connect; Fly-wheel diode L
2negative electrode connecting line bag B
2just power supply port, anode connecting line bag B
2negative power supply port.
Common port COM
1-1with V
1connect, normally opened contact K
1-1connect the first contact out of measuring and controlling equipment output interface
1; Common port COM
1-2with V
1gND connects, normally opened contact K
1-2connect the second contact out of measuring and controlling equipment output interface
2; Common port COM
2-1with V
1connect, normally opened contact K
2-1connect the second contact out of measuring and controlling equipment output interface
2; Common port COM
2-2with V
1gND connects, normally opened contact K
2-2connect the first contact out of measuring and controlling equipment output interface
1.
This main circuit will be applied and move self-locking button switch SK wink
1with move self-locking button switch SK wink
2to electromagnetic relay K
1with electromagnetic relay K
2work electricity consumption carry out path control; Its principle of work is mainly as follows: move self-locking button switch SK wink when pressing
1time, electromagnetic relay K
1supply access connect; When moving self-locking button switch SK wink
1when returning to normal, electromagnetic relay K
1supply access disconnect;
Self-locking button switch SK is moved wink when pressing
2time, electromagnetic relay K
2supply access connect; When moving self-locking button switch SK wink
2when returning to normal, electromagnetic relay K
2supply access disconnect.
Embodiment 2:
Utilizing the power-supplying circuit as provided in embodiment 1 in the present embodiment, this circuit being integrated in measuring and controlling equipment, by the first contact out of measuring and controlling equipment output interface
1be linked into the voltage input end 1 of consumer, by the second contact out
2be linked into the voltage input end 2 of consumer, then this circuit carries out forward voltage supply by the method that the present embodiment provides and reverse voltage supplies and conversion therebetween.
The method of the present embodiment specifically comprises forward work electricity consumption supply and stops for flow process S1 ~ S2, and reverse operation electricity consumption is supplied and provides flow process SS1 ~ SS2:
S1, move self-locking button switch SK wink
2be in the normal state, press and move self-locking button switch SK wink
1, normally opened contact SK
1-1with normally opened contact SK
1-2all closed, line bag B
1by positive voltage signal V
2with negative voltage signal V
2gND powers, its normally opened contact K
1-1with normally opened contact K
1-2closed, positive voltage signal V
1deliver to the first contact out of measuring and controlling equipment output interface
1, negative voltage signal V
1gND delivers to the second contact out of measuring and controlling equipment output interface
2, thus provide forward work electricity consumption for consumer;
S2, self-locking button switch SK will be moved wink
1return to normal, then normally opened contact SK
1-1with normally opened contact SK
1-2all disconnect, line bag B
1power-off, its normally opened contact K
1-1with normally opened contact K
1-2disconnect, then positive voltage signal V
1with negative voltage signal V
1gND is no longer by the first contact out of measuring and controlling equipment output interface
1, the second contact out
2for consumer provides forward work electricity consumption;
SS1, move self-locking button switch SK wink
1be in the normal state, press and move self-locking button switch SK wink
2, its normally opened contact SK
2-1with normally opened contact SK
2-2all closed, line bag B
2by positive voltage signal V
2with negative voltage signal V
2gND powers, normally opened contact K
2-1with normally opened contact K
2-2closed, then positive voltage signal V
1by the second contact out of measuring and controlling equipment output interface
2export, negative voltage signal V
2gND is by the first contact out of measuring and controlling equipment output interface
1export, thus provide reverse operation electricity consumption for consumer;
SS2, self-locking button switch SK will be moved wink
2return to normality, normally opened contact SK
2-1with normally opened contact SK
2-2all disconnect, line bag B
2power-off, its normally opened contact K
2-1with normally opened contact K
2-2disconnect, then negative voltage signal V
1gND and positive voltage signal V
1no longer by the first contact out of measuring and controlling equipment output interface
1, the second contact out
2for consumer provides negative sense work electricity consumption.
In sum, these are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. for a bidirectional power supply control circuit for measuring and controlling equipment, it is characterized in that, this circuit comprises electromagnetic relay K
1with electromagnetic relay K
2, fly-wheel diode L
1and L
2, move self-locking button switch SK wink
1and SK
2;
Described electromagnetic relay K
1there is line bag B
1, normally opened contact K
1-1and corresponding common port COM
1-1, and normally opened contact K
1-2and corresponding common port COM
1-2;
Described electromagnetic relay K
2there is line bag B
2, normally opened contact K
2-1and corresponding common port COM
2-1, and normally opened contact K
2-2and corresponding common port COM
2-2;
Described wink moves self-locking button switch SK
1there is normally opened contact SK
1-1and corresponding common port COM
s1-1, and normally opened contact SK
1-2and corresponding common port COM
s1-2;
Described wink moves self-locking button switch SK
2there is normally opened contact SK
2-1and corresponding common port COM
s2-1, and normally opened contact SK
2-2and corresponding common port COM
s2-2;
The power supply signal of this circuit comprises two-way, is respectively: positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND;
Its annexation is: described normally opened contact SK
1-1meet V
2gND, its corresponding common port COM
s1-1connecting line bag B
1negative power supply port; Described normally opened contact SK
1-2connect V
2, its corresponding common port COM
s1-2connecting line bag B
1just power supply port; Described fly-wheel diode L
1negative electrode connecting line bag B
1just power supply port, anode and line bag B
1negative power supply port connect;
Described normally opened contact SK
2-1connect V
2gND, its corresponding common port COM
s2-1connecting line bag B
2negative power supply port; Described normally opened contact SK
2-2connect V
2, its corresponding common port COM
s2-2with line bag B
2just power supply port connect; Described fly-wheel diode L
2negative electrode connecting line bag B
2just power supply port, anode connecting line bag B
2negative power supply port;
Described common port COM
1-1with V
1connect, normally opened contact K
1-1connect the first contact out of measuring and controlling equipment output interface
1; Described common port COM
1-2with V
1gND connects, normally opened contact K
1-2connect the second contact out of measuring and controlling equipment output interface
2; Described common port COM
2-1with V
1connect, normally opened contact K
2-1connect the second contact out of measuring and controlling equipment output interface
2; Described common port COM
2-2with V
1gND connects, normally opened contact K
2-2connect the first contact out of measuring and controlling equipment output interface
1.
2. for a bidirectional power supply control method for measuring and controlling equipment, it is characterized in that, first power-supplying circuit as claimed in claim 1 is integrated in measuring and controlling equipment by the method, by the first contact out of measuring and controlling equipment output interface
1be linked into the voltage input end 1 of consumer, simultaneously by the second contact out
2be linked into the voltage input end 2 of consumer, the method comprises forward work electricity consumption supply and stops for flow process S1 ~ S2, and reverse operation electricity consumption is supplied and stops for flow process SS1 ~ SS2:
S1, move self-locking button switch SK wink
2be in the normal state, press and move self-locking button switch SK wink
1, normally opened contact SK
1-1with normally opened contact SK
1-2all closed, line bag B
1by positive voltage signal V
2with negative voltage signal V
2gND powers, its normally opened contact K
1-1with normally opened contact K
1-2closed, positive voltage signal V
1deliver to the first contact out of measuring and controlling equipment output interface
1, negative voltage signal V
1gND delivers to the second contact out of measuring and controlling equipment output interface
2, thus provide forward work electricity consumption for consumer;
S2, self-locking button switch SK will be moved wink
1return to normal, then normally opened contact SK
1-1with normally opened contact SK
1-2all disconnect, line bag B
1power-off, its normally opened contact K
1-1with normally opened contact K
1-2disconnect, then positive voltage signal V
1with negative voltage signal V
1gND is no longer by the first contact out of measuring and controlling equipment output interface
1, the second contact out
2for consumer provides forward work electricity consumption;
SS1, move self-locking button switch SK wink
1be in the normal state, press and move self-locking button switch SK wink
2, its normally opened contact SK
2-1with normally opened contact SK
2-2all closed, line bag B
2by positive voltage signal V
2with negative voltage signal V
2gND powers, normally opened contact K
2-1with normally opened contact K
2-2closed, then positive voltage signal V
1by the second contact out of measuring and controlling equipment output interface
2export, negative voltage signal V
2gND is by the first contact out of measuring and controlling equipment output interface
1export, thus provide reverse operation electricity consumption for consumer;
SS2, self-locking button switch SK will be moved wink
2return to normality, normally opened contact SK
2-1with normally opened contact SK
2-2all disconnect, line bag B
2power-off, its normally opened contact K
2-1with normally opened contact K
2-2disconnect, then negative voltage signal V
1gND and positive voltage signal V
1no longer by the first contact out of measuring and controlling equipment output interface
1, the second contact out
2for consumer provides negative sense work electricity consumption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531531.3A CN104331064B (en) | 2014-10-10 | 2014-10-10 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531531.3A CN104331064B (en) | 2014-10-10 | 2014-10-10 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104331064A true CN104331064A (en) | 2015-02-04 |
| CN104331064B CN104331064B (en) | 2017-02-01 |
Family
ID=52405810
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410531531.3A Active CN104331064B (en) | 2014-10-10 | 2014-10-10 | Bidirectional power supply control circuit for measurement and control equipment and control method thereof |
Country Status (1)
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| CN (1) | CN104331064B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105277081A (en) * | 2015-11-13 | 2016-01-27 | 北京电子工程总体研究所 | I/O testing monitoring device and method for automatic missile testing |
| CN105305595A (en) * | 2015-12-01 | 2016-02-03 | 中国航天科技集团公司第四研究院第四十一研究所 | Power distribution self holding circuit applied to missile-borne equipment |
| CN110855126A (en) * | 2019-11-20 | 2020-02-28 | 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105277081A (en) * | 2015-11-13 | 2016-01-27 | 北京电子工程总体研究所 | I/O testing monitoring device and method for automatic missile testing |
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| CN110855126A (en) * | 2019-11-20 | 2020-02-28 | 天津津航计算技术研究所 | Take self preservation function's isolation power supply output circuit |
| 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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| Publication number | Publication date |
|---|---|
| CN104331064B (en) | 2017-02-01 |
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