CN111434906A - Starting box system based on solid relay design - Google Patents
Starting box system based on solid relay design Download PDFInfo
- Publication number
- CN111434906A CN111434906A CN201910029091.4A CN201910029091A CN111434906A CN 111434906 A CN111434906 A CN 111434906A CN 201910029091 A CN201910029091 A CN 201910029091A CN 111434906 A CN111434906 A CN 111434906A
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- Prior art keywords
- solid
- solid relay
- circuit
- module
- timing mechanism
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- 239000007787 solid Substances 0.000 title claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000002955 isolation Methods 0.000 claims description 7
- 230000001052 transient effect Effects 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 4
- 238000010891 electric arc Methods 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 3
- 230000001629 suppression Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/26—Starting; Ignition
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electronic Switches (AREA)
Abstract
The invention discloses a starting box system based on solid relay design, which comprises an electronic timing mechanism and a solid relay control part, wherein the electronic timing mechanism is provided with a power supply conversion module and a signal control module; the solid relay control component is provided with a solid relay group module and a solid relay protection module; the electronic timing mechanism and the solid relay control component are crosslinked through the internal connector, and the solid relay control component is crosslinked with the aircraft engine accessory through the external connector. The invention has the advantages that: timing is carried out in an electronic mode, time precision is high, and meanwhile the system is ensured to run reliably by adopting a software anti-shake and watchdog circuit. The MOS tube is arranged in the solid relay and is used as a switching element, so that the phenomena of no contact, no arc discharge, no sintering, no adhesion and the like are avoided, and the task reliability of the starting box is greatly improved.
Description
Technical Field
The invention relates to the field of solid relays, in particular to a starting box system based on solid relay design.
Background
With the development of the aviation industry, modern advanced airplanes are developing towards the direction of multi-electricity and full-electricity, and higher requirements are also put on the starting system of the airplane. The traditional starting box utilizes a mechanical cam timing mechanism to carry out timing, utilizes an electromagnetic relay to control aircraft accessories, is easy to cause inaccurate timing, is difficult to maintain the cam mechanism, is easy to cause arc discharge, sintering and adhesion of electromagnetic relay contacts, and seriously influences the normal work of an aircraft engine.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a novel starting box system based on a solid relay design.
In order to achieve the purpose, the technical scheme of the invention is as follows: a starting box system based on solid relay design comprises an electronic timing mechanism and a solid relay control component, wherein the electronic timing mechanism is provided with a power supply conversion module and a signal control module; the solid relay control component is provided with a solid relay group module and a solid relay protection module; the electronic timing mechanism and the solid relay control component are crosslinked through an internal connector, and the solid relay control component is crosslinked with an aircraft engine accessory through an external connector; the electronic timing mechanism outputs a control signal to control the solid relay component to act according to a specified time sequence, so that the time sequence control of the aircraft engine accessories is realized.
The power supply conversion module in the electronic timing mechanism is provided with an EMI filter circuit, a transient spike protection circuit, a DC/DC conversion circuit and an L DO conversion circuit which are connected in sequence.
The signal control module in the electronic timing mechanism is provided with a microprocessor circuit, a watchdog circuit, a power isolation circuit, a signal isolation circuit and a signal output circuit, wherein the signal output circuit is connected with the solid relay control component through an internal connector.
Compared with the prior art, the invention has the beneficial effects that: the timing is carried out in a timing mode through the microprocessor, the time precision is high, and meanwhile, the system is ensured to run reliably by adopting a software anti-shake and watchdog circuit. The MOS tube is arranged in the solid relay and is used as a switching element, so that the phenomena of no contact, no arc discharge, no sintering, no adhesion and the like are avoided, and the task reliability of the starting box is greatly improved.
In addition to the technical problems addressed by the present invention, the technical features constituting the technical solutions, and the advantageous effects brought by the technical features of the technical solutions described above, other technical problems solved by the present invention, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and drawings. Here, the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to fig. 1, a starter box based on solid-state relay design is composed of an electronic timing mechanism and a solid-state relay control component. The electronic timing mechanism is provided with a power supply conversion module 3 and a signal control module 4. The solid state relay control component has a solid state relay bank module 5 and a solid state relay protection module 6.
V12 output by an external power supply 1 simultaneously supplies power to an electronic timing mechanism and a solid relay control part, V12 generates 5VD voltage through DC/DC power conversion 33 after passing through an EMI filter circuit 31 and a transient spike suppression circuit 32, and then generates 3.3VD voltage through L DO34 to supply power to a back-end microprocessor circuit 41, a watchdog circuit 42 and a power isolation circuit 43, wherein the EMI filter circuit mainly prevents a power supply of equipment from interfering with a system power supply, and the transient spike suppression circuit mainly can utilize a mature circuit to suppress when abnormal transient limit voltage and voltage spike instantaneously appear in a power supply system, so that the transient spike suppression circuit can normally work under the limit of steady-state characteristics and can also normally work under the limit of transient characteristics.
The power isolation circuit 43 converts 3.3VD into 3.3VA, digital-to-analog electricity is isolated, and interference to the digital circuit when the solid relay acts is effectively prevented. The microprocessor circuit 41 outputs discrete magnitude signals at corresponding IO ports according to a specified time sequence, then outputs control signals through the signal isolation circuit 44 and the signal output circuit 45, the control signals enter the solid relay set module to control the solid relay set module, and then the external power supply 1 outputs the discrete magnitude signals to the aircraft engine accessories through the solid relay set module (the time sequence is consistent with the output time sequence of the microprocessor circuit 41).
The above description is only intended to represent the embodiments of the present invention, and the description is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (4)
1. A starting box system based on solid relay design is characterized by comprising an electronic timing mechanism and a solid relay control component, wherein the electronic timing mechanism is provided with a power supply conversion module and a signal control module; the solid relay control component is provided with a solid relay group module and a solid relay protection module; the electronic timing mechanism and the solid relay control component are crosslinked through an internal connector, and the solid relay control component is crosslinked with an aircraft engine accessory through an external connector; the electronic timing mechanism outputs a control signal to control the solid relay component to act according to a specified time sequence, so that the time sequence control of the aircraft engine accessories is realized.
2. The starter box system based on the solid state relay design as claimed in claim 1, wherein the power conversion module in the electronic timing mechanism has an EMI filter circuit, a transient spike protection circuit, a DC/DC conversion circuit and an L DO conversion circuit connected in sequence.
3. The solid state relay design-based starter box system as claimed in claim 1, wherein the signal control module in the electronic timing mechanism comprises a microprocessor circuit, a watchdog circuit, a power isolation circuit, a signal isolation circuit and a signal output circuit, wherein the signal output circuit is connected with the solid state relay control component through an internal connector.
4. The solid-state relay design-based starter box system as claimed in claim 1, wherein the solid-state relay control component is provided with a solid-state relay group module and a solid-state relay protection module, and MOS tubes are arranged inside the solid-state relay as switching elements.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029091.4A CN111434906A (en) | 2019-01-12 | 2019-01-12 | Starting box system based on solid relay design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910029091.4A CN111434906A (en) | 2019-01-12 | 2019-01-12 | Starting box system based on solid relay design |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111434906A true CN111434906A (en) | 2020-07-21 |
Family
ID=71580601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910029091.4A Pending CN111434906A (en) | 2019-01-12 | 2019-01-12 | Starting box system based on solid relay design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111434906A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069025U (en) * | 1990-03-26 | 1991-01-09 | 成都飞机工业公司 | Electric appliance faulting detector in starting system of plane engine |
| CN101587618A (en) * | 2008-05-22 | 2009-11-25 | 上海欣影电力科技发展有限公司 | Fully-digitalized streetlamp burglary-resisting system |
| DE102012202732A1 (en) * | 2011-02-28 | 2012-08-30 | Denso Corporation | STARTER CONTROL DEVICE |
| CN105700387A (en) * | 2014-11-23 | 2016-06-22 | 成都飞机工业（集团）有限责任公司 | Engine starting sequential controller |
| CN206251072U (en) * | 2016-11-22 | 2017-06-13 | 陕西群力电工有限责任公司 | Closed type sealed direct-current solid-state relay without bias supply |
| CN108708790A (en) * | 2018-04-19 | 2018-10-26 | 中国航发南方工业有限公司 | The progress of starting sequence control device and control method of fanjet |
-
2019
- 2019-01-12 CN CN201910029091.4A patent/CN111434906A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069025U (en) * | 1990-03-26 | 1991-01-09 | 成都飞机工业公司 | Electric appliance faulting detector in starting system of plane engine |
| CN101587618A (en) * | 2008-05-22 | 2009-11-25 | 上海欣影电力科技发展有限公司 | Fully-digitalized streetlamp burglary-resisting system |
| DE102012202732A1 (en) * | 2011-02-28 | 2012-08-30 | Denso Corporation | STARTER CONTROL DEVICE |
| CN105700387A (en) * | 2014-11-23 | 2016-06-22 | 成都飞机工业（集团）有限责任公司 | Engine starting sequential controller |
| CN206251072U (en) * | 2016-11-22 | 2017-06-13 | 陕西群力电工有限责任公司 | Closed type sealed direct-current solid-state relay without bias supply |
| CN108708790A (en) * | 2018-04-19 | 2018-10-26 | 中国航发南方工业有限公司 | The progress of starting sequence control device and control method of fanjet |
Non-Patent Citations (2)
| Title |
|---|
| 周恒保等: "新一代运载火箭时序控制***设计", 《上海航天》, vol. 33, 31 May 2016 (2016-05-31), pages 107 - 111 * |
| 张凯、姜静、张树团: "飞机起动箱自动测试设备研制", 《计算机测量与控制》, vol. 22, no. 7, 31 July 2014 (2014-07-31), pages 2011 - 2013 * |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200721 |
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| RJ01 | Rejection of invention patent application after publication |