CN104298142A - Anti-interference control circuit for launch control equipment - Google Patents
Anti-interference control circuit for launch control equipment Download PDFInfo
- Publication number
- CN104298142A CN104298142A CN201410531847.2A CN201410531847A CN104298142A CN 104298142 A CN104298142 A CN 104298142A CN 201410531847 A CN201410531847 A CN 201410531847A CN 104298142 A CN104298142 A CN 104298142A
- Authority
- CN
- China
- Prior art keywords
- voltage signal
- gnd
- control circuit
- signal
- control equipment
- 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.)
- Pending
Links
Classifications
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The invention discloses an anti-interference control circuit for launch control equipment. Power supply signals comprise V1, V1GND, V2 and V2GND. The control circuit comprises an electrometric relay K1 and a current-limiting resistor R. The electromagnetic relay K1 is provided with a coil B1, a normally closed contact K1-1, a normally open contact K1-2 and a common end COM1, wherein the K1-1 and the K1-2 share the same common end COM1. The V2 is connected with the positive input end of the coil B1, and the V2GND is connected with the negative input end of the coil B1; one end of the current-limiting resistor R is connected with the V1GND, and the other end of the current-limiting resistor R is connected with the K1-1; the K1-2 is connected with the V1; the common end COM1 is connected to a point 1 of an external port of the launch control equipment. If control signals are needed, effective power source input is connected between the V2 and the V2GND. If the control signals are not needed, the effective power source input is disconnected between the V2 and the V2GND.
Description
Technical field
The invention belongs to emission control technical field, be specifically related to a kind of anti-tampering type control circuit for launching control equipment.
Background technology
In emission control field, some controlled plant needs launching control system to provide instantaneous effective control signal for it, for it as trigger condition, performs some corresponding actions.Generally, launching control equipment be application one group relay contact (or switch) as performer, by this device of momentary connection, for controlled plant provides effective control signal.
In the technical literature " test of missile launching control system " that Yuhang Publishing House announces, mention: press " launching main order " button to " launching main order " circuit basic composition principles illustrated, relay K 1 works and self-insurance, and its normally opened contact and power supply buses+M connect.
Although more design method demonstrates certain feasibility through model test, there is following problem:
The On current little (only hundreds of milliampere) of relay line bag, but line bag can be similar to a large inductance, disconnects immediately after its momentary connection, can wrap store more magnetic field energy at its line.Especially in the moment of power-off, back-emf even can go up hectovolt up to tens volts.In addition, launching control equipment other components and parts inner also can discharge certain interference in the course of the work.Because control signal wire is in floating state when not transfer control signal, therefore undesired signal is easy to the corresponding port scurrying into controlled plant by control signal wire, causes equipment malfunction to do, thus controlled plant cannot normally be worked.Therefore, the anti-tampering type control circuit adapting to following control techniques development need be furtherd investigate.
Summary of the invention
In view of this, the present invention proposes a kind of anti-tampering type control circuit for launching control equipment, this circuit can make launching control equipment accurately, send control signal to controlled plant reliably, and prevents undesired signal from scurrying into controlled plant, causes its misoperation.
For achieving the above object, technical scheme of the present invention is: this control circuit comprises an electromagnetic relay K
1, a current-limiting resistance R.
Electromagnetic relay K
1there is line bag B
1, normally closed contact K
1-1, normally opened contact K
1-2with common port COM
1, normally closed contact K
1-1with normally opened contact K
1-2share same common port COM
1.
The power supply signal of this anti-tampering type control circuit has two groups, is respectively positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND; Positive voltage signal V
2with line bag B
1positive input terminal connect, negative voltage signal V
2gND and line bag B
1negative input end connect.
Current-limiting resistance R one end and negative voltage signal V
1gND connects, the other end and normally closed contact K
1-1connect.
Normally opened contact K
1-2with positive voltage signal V
1connect.
This control circuit is integrated in launching control equipment, common port COM
1be connected to 1 point of launching control equipment external interface.
Further, positive voltage signal V is kept
1with negative voltage signal V
1there is the input of effective power supply, to ask launching control equipment to send control signal, then at positive voltage signal V between GND
2with negative voltage signal V
2the input of effective power supply is accessed between GND; Control signal need not be sent, then at positive voltage signal V to ask launching control equipment
2with negative voltage signal V
2the separated effective power supply input of GND.
Beneficial effect:
(1), the anti-tampering type control circuit for launching control equipment provided by the present invention, the performer that controls as path of application electromagnetic relay, makes control signal connect negative voltage signal when not applying, instead of is in floating state.This circuit can make the undesired signal that signal wire may occur be eliminated, and the control signal passage avoided interference by floating is altered to controlled plant, causes controlled plant misoperation.
(2), the present invention's application comprise often open, control device that the electromagnetic relay of normally closed contact change as signal condition, only carry out the State Transferring that one-level control just accurately can complete control signal, greatly save development resource.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of anti-tampering type control circuit for launching control equipment of the present invention.
Embodiment
To develop simultaneously embodiment below in conjunction with accompanying drawing, describe the present invention.
As shown in Figure 1, the anti-tampering type control circuit in the present embodiment, adopts positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND is that control circuit is powered; This control circuit comprises an electromagnetic relay K
1, a current-limiting resistance R.In the present embodiment, current-limiting resistance R selects the 1K/0.25W metalfilmresistor of 718 factories, and the JZC-078M of Guizhou Space Electric Co., Ltd selected by electromagnetic relay.
Electromagnetic relay K
1there is line bag B
1, normally closed contact K
1-1, normally opened contact K
1-2with common port COM
1, normally closed contact K
1-1with normally opened contact K
1-2share same common port COM
1.
The power supply signal of this anti-tampering type control circuit has two groups, is respectively positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND; Positive voltage signal V
2with line bag B
1positive input terminal connect, negative voltage signal V
2gND and line bag B
1negative input end connect.
Current-limiting resistance R one end and negative voltage signal V
1gND connects, the other end and normally closed contact K
1-1connect.
Normally opened contact K
1-2with positive voltage signal V
1connect.
Common port COM
1be connected to 1 point of launching control equipment external interface, launching control equipment externally transmits control signal by 1 of this external interface.
This control circuit can make the undesired signal that signal wire may occur be eliminated, and the control signal passage avoided interference by floating is altered to controlled plant, causes controlled plant misoperation.
The principle of work of this control circuit is: when not needing to control controlled plant, control signal and current-limiting resistance R and negative voltage signal V
igND connects, and by this circuit, the coupled flutter on signal wire can be carried out discharge, eliminate, by the external interface of launching control equipment, can not harass controlled plant.In the process, positive voltage signal V be remained
2with negative voltage signal V
2the input of effective power supply is not accessed, i.e. positive voltage signal V between GND
2with negative voltage signal V
2off state is always between GND.
When needs control controlled plant, at positive voltage signal V
2with negative voltage signal V
2the input of effective power supply is accessed, then electromagnetic relay K between GND
1line bag B
1obtain work electricity consumption, normally closed contact K
1-1disconnect, normally opened contact K
1-2closed, positive voltage signal V
1through closed normally opened contact K
1-2, launching control equipment external interface " 1 " point, deliver to controlled plant, perform effective pumping signal of corresponding actions for controlled plant provides.
When after the duration meeting pumping signal needed for controlled plant execution corresponding actions, disconnect positive voltage signal V
2with negative voltage signal V
2effective power supply input between GND, then electromagnetic relay K
1line bag B
1to lose the job electricity consumption.Electromagnetic relay K
1line bag B
1after power-off, contact restPoses, i.e. normally opened contact K
1-2disconnect, normally closed contact K
1-1closed, external control signal reverts to original state, namely through current-limiting resistance R and negative voltage signal V
igND connects, and guarantee when not needing to control controlled plant, this signal can not be in a kind of floating state, the undesired signal on signal wire can be carried out discharging, eliminating by this circuit.
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 an anti-tampering type control circuit for launching control equipment, it is characterized in that, this control circuit comprises an electromagnetic relay K
1, a current-limiting resistance R;
Described electromagnetic relay K
1there is line bag B
1, normally closed contact K
1-1, normally opened contact K
1-2with common port COM
1, described normally closed contact K
1-1with normally opened contact K
1-2share same common port COM
1;
The power supply signal of this anti-tampering type control circuit has two groups, is respectively positive voltage signal V
1with negative voltage signal V
1gND, positive voltage signal V
2with negative voltage signal V
2gND; Described positive voltage signal V
2with described line bag B
1positive input terminal connect, described negative voltage signal V
2gND and described line bag B
1negative input end connect;
Described current-limiting resistance R one end and described negative voltage signal V
1gND connects, the other end and described normally closed contact K
1-1connect;
Described normally opened contact K
1-2with described positive voltage signal V
1connect;
This control circuit is integrated in launching control equipment, described common port COM
1be connected to 1 point of launching control equipment external interface.
2. a kind of anti-tampering type control circuit for launching control equipment as claimed in claim 1, is characterized in that, keeps positive voltage signal V
1with negative voltage signal V
1there is between GND the input of effective power supply:
To ask launching control equipment to send control signal, then at positive voltage signal V
2with negative voltage signal V
2the input of effective power supply is accessed between GND;
Control signal need not be sent, then at positive voltage signal V to ask launching control equipment
2with negative voltage signal V
2the separated effective power supply input of GND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531847.2A CN104298142A (en) | 2014-10-10 | 2014-10-10 | Anti-interference control circuit for launch control equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410531847.2A CN104298142A (en) | 2014-10-10 | 2014-10-10 | Anti-interference control circuit for launch control equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104298142A true CN104298142A (en) | 2015-01-21 |
Family
ID=52317921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410531847.2A Pending CN104298142A (en) | 2014-10-10 | 2014-10-10 | Anti-interference control circuit for launch control equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104298142A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882332A (en) * | 2015-06-09 | 2015-09-02 | 成都瑞联电气股份有限公司 | Anti-interference circuit of relay |
| CN106941251A (en) * | 2016-01-05 | 2017-07-11 | 西安航天动力技术研究所 | A kind of initial firing current observation circuit for launching control equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239849A (en) * | 1998-01-12 | 1999-12-29 | 哈里公司 | RF communications system operable in presence of repetitive interference source and related methods |
| CN2457771Y (en) * | 2000-11-14 | 2001-10-31 | 赵庚 | Multifunction self control protector |
| CN201887978U (en) * | 2010-10-26 | 2011-06-29 | 林禹鹏 | Low voltage switch control circuit |
| CN202126968U (en) * | 2011-06-28 | 2012-01-25 | 天津市津达执行器有限公司 | Novel anti-interference control circuit of contactor |
| CN204215171U (en) * | 2014-10-10 | 2015-03-18 | 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 anti-tampering type control circuit for launching control equipment |
-
2014
- 2014-10-10 CN CN201410531847.2A patent/CN104298142A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1239849A (en) * | 1998-01-12 | 1999-12-29 | 哈里公司 | RF communications system operable in presence of repetitive interference source and related methods |
| CN2457771Y (en) * | 2000-11-14 | 2001-10-31 | 赵庚 | Multifunction self control protector |
| CN201887978U (en) * | 2010-10-26 | 2011-06-29 | 林禹鹏 | Low voltage switch control circuit |
| CN202126968U (en) * | 2011-06-28 | 2012-01-25 | 天津市津达执行器有限公司 | Novel anti-interference control circuit of contactor |
| CN204215171U (en) * | 2014-10-10 | 2015-03-18 | 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 anti-tampering type control circuit for launching control equipment |
Non-Patent Citations (1)
| Title |
|---|
| 王剑波等: "某型地空导弹发控车车载测试系统抗干扰设计分析", 《计算机测量与控制》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104882332A (en) * | 2015-06-09 | 2015-09-02 | 成都瑞联电气股份有限公司 | Anti-interference circuit of relay |
| CN106941251A (en) * | 2016-01-05 | 2017-07-11 | 西安航天动力技术研究所 | A kind of initial firing current observation circuit for launching control equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104298142A (en) | Anti-interference control circuit for launch control equipment | |
| CN104092451A (en) | Power consumption switching control circuit | |
| CN204215171U (en) | A kind of anti-tampering type control circuit for launching control equipment | |
| CN104914966B (en) | A kind of single-chip microcontroller Self-disconnecting restarts circuit | |
| CN205028848U (en) | Network relay | |
| CN102751142A (en) | Power supply control circuit for relay driving module | |
| CN104283313B (en) | A kind of far-end for launching control equipment exchange power distribution control circuit and control method thereof | |
| CN104767505A (en) | Switching circuit with circuit protection function | |
| CN105305595B (en) | A kind of distribution holding circuit applied to airborne equipment | |
| CN102570931A (en) | Power polarity conversion circuit | |
| CN106557022B (en) | Carrier rocket redundant time sequence control system | |
| CN104299808B (en) | A kind of isolation switch control system | |
| CN208421605U (en) | A kind of general-purpose aircraft store Combinations putting control system | |
| CN104038195B (en) | C-type relay control module and operation method thereof | |
| CN104331064A (en) | Bidirectional power supply control circuit for measurement and control equipment and control method thereof | |
| CN204992755U (en) | Be applied to uninterrupted power source's (UPS) static on -off control cabinet of novel dual supply | |
| US9786458B2 (en) | Pulse solenoid control circuit | |
| CN206922495U (en) | Automatic change-over actuator | |
| CN205809761U (en) | A kind of intelligent switch with zero crossing detection function | |
| CN207184144U (en) | A kind of power down holding circuit | |
| KR20170058040A (en) | Battery management system | |
| CN205644189U (en) | Four bus electromagnetism valve control system | |
| CN204993096U (en) | Off -line switching power supply adapter through infrared ray remote control | |
| CN204721207U (en) | The device of the positive and negative two dc power supply of a kind of soft start | |
| CN203720776U (en) | Power control unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150121 |