CN103309343A - Heating control box detection device of airplane windshield - Google Patents
Heating control box detection device of airplane windshield Download PDFInfo
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- CN103309343A CN103309343A CN201210060893XA CN201210060893A CN103309343A CN 103309343 A CN103309343 A CN 103309343A CN 201210060893X A CN201210060893X A CN 201210060893XA CN 201210060893 A CN201210060893 A CN 201210060893A CN 103309343 A CN103309343 A CN 103309343A
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Abstract
The invention belongs to the testing technology and relates to a heating control box detection device of an airplane windshield. The heating control box detection device of the airplane windshield comprises an AC signal module, a DC display module, a resistance conversion module and a connection output module. The AC signal module for providing a three phase current signal to a heating control box, the DC display module for providing a DC signal to the heating control box, and the resistance conversion module for providing a resistance signal to the heating control box are mutually independent, and are respectively connected with the connection output module which is used for providing an output signal to the heating control box. The AC signal module comprises a left three phase AC mutual inductor, a right three phase AC mutual inductor, a change over switch and an externally connected load. According to the invention, the one phase 115V is used to replace the three phase 115V as a power supply, and one slide bar resistor is used to replace three load resistors. The detection circuit is effectively simplified; the production cost of the detection device is reduced; and the detection work is easier to carry out.
Description
Technical field
The invention belongs to measuring technology, relate to a kind of control enclosure pick-up unit of heating of aircraft windshield.
Background technology
Aircraft before fortune 8 certain model, driver's windshield is 4, they are respectively left-hand drive person's side glass, left-hand drive person's front glass, right driver's front glass, right driver side surface glass, these 4 windshields all are to adopt single-phase 115V power supply to power for 1 temperature and resistance in the glass, realization is heated to 4 windshields, guarantee the aviator in the high-altitude to the observation outside the machine.Begin from certain model, driver's windshield changes 2 into by 4, each 1 of left and right sides driver, and every block of glass also is original 12 times, it is obviously open to make driver's high-altitude machine observe the visual field outward.
Because the windshield area increases, so every block of interior resistance of heating of glass also is increased to 3 by 1, power supply changes present three-phase 115V into also by original single-phase 115V, powers for respectively 3 temperature and resistances in the windshield by A, B, the C three-phase of three-phase 115V power supply.As shown in Figure 1, three live wire A phases, B phase, C of this three-phase 115V power supply are three through wires holes of a, b, c that pass the three-phase alternating current mutual inductor respectively mutually, three-phase current signal is provided for the XJW-1 glass control enclosure of heating, with realize to about 2 windshields add temperature control.Therefore the configuration of existing single-phase 115V power supply power supply mode and single ohmic load can't have been satisfied the heat needs of control enclosure ground detection of the XJW-1 glass of aircraft after certain model.
Summary of the invention
The objective of the invention is: propose a kind of control enclosure pick-up unit of heating that utilizes existing single-phase 115V power supply and single load also can realize large tracts of land windshield control enclosure detection requirement.
Technical solution of the present invention is: a kind of control enclosure pick-up unit of heating of aircraft windshield, it comprises AC signal module, direct current display module, resistance modular converter, connects output module, wherein, be used for to give AC signal module that the control enclosure of heating provides three-phase current signal, be used for to the control enclosure of heating provide direct current signal the direct current display module, be used for providing the resistance modular converter of resistance signal separate to the glass control enclosure of heating, and respectively be used for providing the output module that is connected of output signal to link to each other for the control enclosure of heating.
Described AC signal module comprises left three-phase alternating current mutual inductor, right three-phase alternating current mutual inductor, switch, external load, wherein, single-phase 115V AC power live wire links to each other with the movable end of switch, the left and right sides switch terminal of switch links to each other with left and right three-phase alternating current mutual inductor input end respectively, simultaneously, the output termination external load of left and right three-phase alternating current mutual inductor.
Single-phase 115V AC power live wire penetrates from c hole one end of three-phase alternating current mutual inductor, pass from the other end in c hole, and then around penetrating the b hole to the direction that penetrates with the c hole, pass from the other end in b hole, again around penetrating a hole to the direction that penetrates with the b hole, the other end from a hole passes again, and then is connected with single external load one end, and the other end of external load is connected with single-phase 115V zero line.
Described external load is slide bar resistance.
Be connected with the load current table between external load and the 115V zero line.
Be provided with fuse between the movable end of single-phase 115V AC power and switch.
The advantage that the present invention has and beneficial effect: the present invention uses single-phase 115V power supply to substitute three-phase 115V power supply, and use single slide bar resistance to substitute three pull-up resistors, effectively simplified testing circuit, reduced the cost of manufacture of pick-up unit, made the easier realization of testing and safe and reliable.
Description of drawings
Fig. 1 is that a kind of prior art three-phase 115V power supply is to the power supply the principle figure of the control enclosure test of heating;
Fig. 2 is the theory diagram of the control enclosure pick-up unit of heating of aircraft windshield of the present invention;
Fig. 3 is the schematic diagram of AC signal module.
Wherein, 1-AC signal module, 2-direct current display module, 3-resistance modular converter, 4-connect output module, 5-external load, the right three-phase alternating current mutual inductor of 6-, 7-load current table, 8-left side three-phase alternating current mutual inductor, the single-phase 115V output plug of 9-, 10-left and right sides switch, 11-fuse.
Embodiment
The present invention is described further below by specific embodiment:
See also Fig. 2, it is the theory diagram of the control enclosure pick-up unit of heating of aircraft windshield of the present invention.The control enclosure pick-up unit of heating of aircraft windshield of the present invention comprises AC signal module 1, direct current display module 2, resistance modular converter 3, connects output module 4.Wherein, AC signal module 1, direct current display module 2, resistance modular converter 3 are separate, and respectively be connected output module 4 and link to each other.The AC signal module provides three-phase current signal for the control enclosure of heating to glass, the direct current display module provides direct current signal for the control enclosure of heating to glass, the resistance modular converter provides resistance signal for the control enclosure of heating to glass, and connecting output module provides output signal for the control enclosure of heating to glass.
Consult Fig. 3, it is the circuit diagram of AC signal module.Described AC signal module comprises external load 5, right three-phase alternating current mutual inductor 6, load current table 7, left three-phase alternating current mutual inductor 8, single-phase 115V output plug 9, left and right sides switch 10, fuse 11.Wherein, the live wire of 115V links to each other by the movable end of fuse with left and right sides switch, and the left and right sides switch terminal of left and right sides switch links to each other with left and right three-phase alternating current mutual inductor input end respectively.Simultaneously, the output termination external load of left and right three-phase alternating current mutual inductor is connected with the load current table between external load and the 115V zero line.
During actual the use, single-phase 115V AC power live wire penetrates from c hole one end of three-phase alternating current mutual inductor, pass from the other end in c hole, and then around penetrating the b hole to the direction that penetrates with the c hole, pass from the other end in b hole, around penetrating a hole to the direction that penetrates with the b hole, the other end from a hole passes again again, and then be connected with single external load one end, the other end of external load is connected with single-phase 115V zero line.The three-phase alternating current mutual inductor can be experienced three-phase current signal like this.
This external load is selected the slide bar resistance of 1 9.9A for use in addition, when slide bar resistance is adjusted to load current demonstration 3A, can check the heat temperature control of heating a little less than control enclosure is realized of windshield, when slide bar resistance is adjusted to load current and shown 9A, can realize forcing Wen Wendu control and check the windshield control enclosure of heating.
Provide the heat process of the test of control enclosure pick-up unit of XJW-1 glass of the present invention below.
A is from seizure test
1 provides to exerciser and to exchange 400Hz 115V and direct current 28V power supply, and call through test device " power supply " switch makes voltage table indication 28V.
2 transfer to 3450 Ω with standard resistance box, " about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " left side ", " active and standby conversion " switch is put " main using " position, " strong and weak conversion " switch is put " by force " position, " self check 1 " on the control enclosure dialled upward, then control enclosure give successively in about 10s that left glass stops to heat, heats, short trouble, four kinds of cycle of states of open circuit fault once, carry out the heat left road self check of control enclosure of XJW-1 glass.In like manner each switch is placed " right side " position, " self check 2 " on the control enclosure dialled upward, then can carry out the heat right wing self check of control enclosure of XJW-1 glass.
After the b self check is finished, can carry out the inspection of sensor translation function respectively, force the inspection of temperature control temperature, a little less than add the inspection of temperature control temperature, trouble shooting, introduce specific operation process that each checks below respectively.
1 sensor translation function checks
1.1 " conversion 1 " switch on the control enclosure is dialled upward, exerciser " active and standby conversion " switch is put " standby " position, " heating in a left side " lamp is bright for normal on the exerciser at this moment.
1.2 " about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " right side " position, and " conversion 2 " switch on the control enclosure is dialled upward, on this moment exerciser " heating in the right side " lamp bright be normally.
2 force the inspection of temperature control temperature
2.1 reduce the resistance box resistance, go out until exerciser " heating in a left side " lamp, record this resistance and be left passage disconnect the resistance of forcing temperature should be at 2016 Ω～2472 Ω.
2.2 increase the resistance box resistance again, bright until exerciser " heating in a left side " lamp, record this resistance and be left passage connect the resistance of forcing temperature should be at 2942 Ω ± 90 Ω.
2.3 " about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " right side ", reduce the resistance box resistance, go out until exerciser " heating in the right side " lamp, record this resistance and be right passage disconnect the resistance of forcing temperature should be at 2016 Ω～2472 Ω.
2.4 increase the resistance box resistance again, bright until exerciser " heating in the right side " lamp, record this resistance and be right passage connect the resistance of forcing temperature should be at 2942 Ω ± 90 Ω.
Add the inspection of temperature control temperature a little less than in the of 3
3.1 " strong and weak conversion " switch on the exerciser is put " weak " position, reduce the resistance box resistance, " heating in the right side " lamp goes out on exerciser, and recording this resistance is that the resistance of heating a little less than right passage disconnects should be at 2016 Ω～2472 Ω.
3.2 increase the resistance box resistance again, " heating in the right side " lamp is bright on exerciser, recording this resistance is that the resistance of heating a little less than right passage is connected should be at 2942 Ω ± 90 Ω.
3.3 " about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " left side ", reduce the resistance box resistance, " heating in a left side " lamp goes out on exerciser, and recording this resistance is that the resistance of heating a little less than left passage disconnects should be at 2016 Ω～2472 Ω.
3.4 increase the resistance box resistance again, " heating in a left side " lamp is bright on exerciser, recording this resistance is that the resistance of heating a little less than left passage is connected should be at 2942 Ω ± 90 Ω.
4 trouble shootings
4.1 short circuit sensor, testing for continuity
4.1.1 the resistance box resistance is adjusted to 0 Ω, and " heating in a left side " lamp goes out on this moment exerciser, " left fault " lamp bright (on the control enclosure left side " short circuit " lamp bright) is for normal." about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " right side " position, and " heating in the right side " lamp goes out on this moment exerciser, " right fault " lamp bright (right " short circuit " lamp is bright on the control enclosure) is normally.
Make on the exerciser " heating in the right side " lamp bright 4.1.2 increase resistance, with disengagement of resistance box connecting line, " heating in the right side " lamp goes out on this moment exerciser, " right fault " lamp bright (right " opening circuit " lamp is bright on the control enclosure) is for normal." about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " left side ", adjusting resistance makes " heating in a left side " lamp bright, throw off connecting line of resistance box, " heating in a left side " lamp goes out at this moment, " left fault " lamp bright (left side " opening circuit " lamp is bright on the control enclosure) is for normal.
4.2 there is not the galvanoscopy of heating when heating
4.2.1 " conversion of heating " switch on the exerciser is put the neutral position, and " heating in a left side ", " left fault " lamp bright (left side " no current " lamp is bright on the control enclosure) are for normal at this moment.
4.2.2 " about conversion ", " passage conversion " switch on the exerciser are put " right side " position, and " heating in the right side ", " right fault " lamp bright (right " no current " lamp is bright on the control enclosure) are for normally at this moment.
The current failure inspection 4.3 heat when not heating
4.3.1 " conversion of heating " switch on the exerciser is put " right side " position, adjusting resistance box goes out " heating in the right side " lamp, " false current " switch is put " right side " position, and " heating in the right side ", " right fault " lamp bright (right " false current " lamp is bright on the control enclosure) are for normal at this moment.
4.3.2 " about conversion ", " passage conversion ", " conversion of heating " switch on the exerciser are put " left side ", adjusting resistance box goes out " heating in a left side " lamp, " false current " switch is put " left side " position, and " heating in a left side ", " left fault " lamp bright (left side " false current " lamp is bright on the control enclosure) are for normal at this moment.
In sum, the present invention uses single-phase 115V power supply to substitute three-phase 115V power supply, and uses single slide bar resistance to substitute three pull-up resistors, effectively simplify testing circuit, reduced the cost of manufacture of pick-up unit, and easy to operate, safe and reliable, make the easier realization of testing.
Claims (6)
1. the control enclosure pick-up unit of heating of an aircraft windshield, it is characterized in that: comprise AC signal module, direct current display module, resistance modular converter, connect output module, wherein, be used for to give AC signal module that the control enclosure of heating provides three-phase current signal, be used for to the control enclosure of heating provide direct current signal the direct current display module, be used for providing the resistance modular converter of resistance signal separate to the glass control enclosure of heating, and respectively be used for providing the output module that is connected of output signal to link to each other for the control enclosure of heating.
2. the control enclosure pick-up unit of heating of aircraft windshield according to claim 1, it is characterized in that: described AC signal module comprises left three-phase alternating current mutual inductor, right three-phase alternating current mutual inductor, switch, external load, wherein, the live wire of 115V links to each other with the movable end of switch, the left and right sides switch terminal of switch links to each other with left and right three-phase alternating current mutual inductor input end respectively, simultaneously, the output termination external load of left and right three-phase alternating current mutual inductor.
3. the control enclosure pick-up unit of heating of aircraft windshield according to claim 2, it is characterized in that: single-phase 115V AC power live wire penetrates from c hole one end of three-phase alternating current mutual inductor, pass from the other end in c hole, and then around penetrating the b hole to the direction that penetrates with the c hole, pass from the other end in b hole, around penetrating a hole to the direction that penetrates with the b hole, the other end from a hole passes again again, and then be connected with single external load one end, the other end of external load is connected with single-phase 115V zero line.
4. the control enclosure pick-up unit of heating of aircraft windshield according to claim 3, it is characterized in that: described external load is slide bar resistance.
5. the control enclosure pick-up unit of heating of aircraft windshield according to claim 4 is characterized in that: be connected with the load current table between external load and the 115V zero line.
6. the control enclosure pick-up unit of heating of aircraft windshield according to claim 5 is characterized in that: be provided with fuse between the movable end of live wire and switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060893.XA CN103309343B (en) | 2012-03-09 | 2012-03-09 | A kind of control enclosure pick-up unit of heating of airplane windscreen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210060893.XA CN103309343B (en) | 2012-03-09 | 2012-03-09 | A kind of control enclosure pick-up unit of heating of airplane windscreen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103309343A true CN103309343A (en) | 2013-09-18 |
| CN103309343B CN103309343B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210060893.XA Active CN103309343B (en) | 2012-03-09 | 2012-03-09 | A kind of control enclosure pick-up unit of heating of airplane windscreen |
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| CN (1) | CN103309343B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301353A (en) * | 2014-06-30 | 2016-02-03 | 中国南方航空工业(集团)有限公司 | System and method for detecting control box of AC power supply system |
| CN107345991A (en) * | 2016-05-06 | 2017-11-14 | 哈尔滨飞机工业集团有限责任公司 | A kind of windscreen wiper systems modelling device |
| CN111770594A (en) * | 2020-06-17 | 2020-10-13 | 陕西飞机工业（集团）有限公司 | Portable multipurpose glass system of heating debugging circuit |
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| WO2006117137A1 (en) * | 2005-04-29 | 2006-11-09 | Paolo Tripodi | Invisible system of antifogging and antifreezing for transparent and non transparent large surfaces |
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2012
- 2012-03-09 CN CN201210060893.XA patent/CN103309343B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2006117137A1 (en) * | 2005-04-29 | 2006-11-09 | Paolo Tripodi | Invisible system of antifogging and antifreezing for transparent and non transparent large surfaces |
Non-Patent Citations (3)
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| 冯斌: "EMB145风挡加温故障的分析排除", 《江苏航空》, no. 1, 15 February 2011 (2011-02-15), pages 47 * |
| 张小玉等: "基于单片机的机载测温系统自动检测仪设计", 《中国测试》, vol. 35, no. 6, 30 November 2009 (2009-11-30), pages 57 - 59 * |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301353A (en) * | 2014-06-30 | 2016-02-03 | 中国南方航空工业(集团)有限公司 | System and method for detecting control box of AC power supply system |
| CN107345991A (en) * | 2016-05-06 | 2017-11-14 | 哈尔滨飞机工业集团有限责任公司 | A kind of windscreen wiper systems modelling device |
| CN111770594A (en) * | 2020-06-17 | 2020-10-13 | 陕西飞机工业（集团）有限公司 | Portable multipurpose glass system of heating debugging circuit |
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| Publication number | Publication date |
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| CN103309343B (en) | 2016-04-06 |
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Address after: 723213 Liulin Town, Chenggu County, Hanzhong City, Shaanxi Province Patentee after: Shaanxi Aircraft Industry Co.,Ltd. Address before: Box 34, Hanzhong City, Shaanxi Province, 723213 Patentee before: Shaanxi Aircraft INDUSTRY(GROUP) Co.,Ltd. |
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