CN202795034U

CN202795034U - Window heating controller testing device

Info

Publication number: CN202795034U
Application number: CN 201220133972
Authority: CN
Inventors: 李博
Original assignee: Beijing Andawell Science & Technology Co Ltd
Current assignee: Beijing Andaman Polytron Technologies Inc
Priority date: 2012-03-31
Filing date: 2012-03-31
Publication date: 2013-03-13
Anticipated expiration: 2022-03-31

Abstract

The utility model discloses a window heating controller testing device. A power source control module which is accessed to a window heating controller through a fuse and a control switch is provided with indicator lamps for indicating each phase input. An equipment earth, a protection earth and an AC earth are connected together through fuses. All power supplies are accessed to corresponding pins through the fuses and switches to prevent equipments from being burnt and damaged. A load control module which supplies a proper load resistance to the window heating controller according to testing demands comprises a heating load control circuit and an output load control circuit. A failure indication module adopts an amplifier and a triode to achieve indication of fault information of the window heating controller. A 429 signal input module adopts amplifiers and a triode. A discrete control module is provided with a control port for supplying OVRD, ENG, LEFT, RIGHT, VOL and SOL signal grounds to the window heating controller. The testing device provided by the utility model can test and maintain the window heating controller with working power greater than 10KW. Furthermore, the testing device has the advantages of simple operation and convenient operation.

Description

A kind of window temperature adding controller proving installation

Technical field

The utility model relates to a kind of window temperature adding controller proving installation.

Background technology

The window temperature adding controller is the Control Component of aircraft window automated de-icing system, because its operating power is large, and testing complex, so, the repairing of window temperature adding controller is generally all sent back to original production producer carry out.At present, the domestic maintenance problems such as test that still can't solve the window temperature adding controller.

The utility model content

The purpose of this utility model is to provide a kind of window temperature adding controller proving installation that can overcome above-mentioned technical matters, and the utility model comprises: be energy supply control module, discrete control module, load control module, 429 signal input module, the failure indication module that the window temperature adding controller is connected with device being tested respectively.

Described energy supply control module provides 115VAC/400Hz and 28VDC operating voltage for the window temperature adding controller, and wherein AC power power is greater than 10KW; The 115VAC/400Hz power supply accesses the window temperature adding controller by insurance and gauge tap, and is provided with pilot lamp and each is inputted mutually indicates.By insuring equipment ground, protection ground and connecting together with exchanging, namely realize altogether, again can the strengthening part protection.All through insurance and switch access respective pins, the equipment that can prevent burns out all power supplys.

Described load control module provides suitable pull-up resistor according to the test needs for the window temperature adding controller; It comprises two parts, a part is the heating load control circuit, a part is the output load control circuit, heating load is high-power resistance, the circuit structure that adopts single-pole switch or three-position switch to add the resistance series connection increases each position heating resistor or operating resistance resistance step by step, be that handled easily is realized again easily, avoided adopting large resistance high-power resistance not only to increase cost but also increase the problem of amount of space.The output load control circuit adopts identical circuit structure, and just the output resistor power is smaller.

Described failure indication module is used for the indication of the failure message of window temperature adding controller.It adopts amplifier and triode to realize, access power supply during normal condition is because the low negative voltage of comparer forward voltage is high, cause the amplifier output low level, thereby make triode transmitter and collector conducting, make the malfunction indicator lamp two ends have terminal voltage, make pilot lamp bright, this is normal condition.When the window temperature adding controller had fault, the input low level signal caused the high negative voltage of amplifier forward voltage low, and make amplifier output high level, thereby cause triode to turn-off, pilot lamp two ends no-voltage, so pilot lamp does not work, this is malfunction.

Described 429 signal input module have adopted amplifier and triode, and described 429 signal input module transmission ARINC429 control signal is to the window temperature adding controller, and the feedback signal of receive window temperature adding controller is controlled test process simultaneously; Input signal is converted to standard 429 signal levels through amplifier and output driving, exports to the window temperature adding controller.

Described discrete control module is provided with the control port that OVRD, ENG, LEFT, RIGHT, VOL and SOL signal ground are provided for the window temperature adding controller; Mainly by single-pole switch the window temperature adding controller is applied the high-low level signal, the duty of control window temperature adding controller.

The beneficial effects of the utility model are, can realize operating power is carried out test and maintenance greater than the window temperature adding controller of 10KW, and are simple to operation, have stronger practical value.

Description of drawings

Fig. 1 is one-piece construction block scheme of the present utility model;

Fig. 2 is energy supply control module circuit diagram of the present utility model;

Fig. 3 is load control module circuit diagram of the present utility model;

Fig. 4 is failure indication module circuit diagram of the present utility model;

Fig. 5 is 429 signal input module circuit diagrams of the present utility model;

Fig. 6 is discrete control module circuit diagram of the present utility model.

Embodiment

Below in conjunction with drawings and Examples the utility model is described in detail.As shown in Figure 1, the utility model comprises five parts: be energy supply control module, discrete control module, load control module, 429 signal input module, the failure indication module that the window temperature adding controller is connected with device being tested respectively.

Energy supply control module circuit diagram as shown in Figure 2, described energy supply control module provides 115VAC/400Hz and 28VDC operating voltage for the window temperature adding controller, and wherein AC power power is greater than 10KW; The 115VAC/400Hz power supply is by insurance and gauge tap access window temperature adding controller, and to be equipped with pilot lamp be that light emitting diode L1, light emitting diode L2 input mutually with light emitting diode L3 and indicate each, by insurance F5, F6, F7 with equipment ground, protection and connect together with exchanging, namely realize altogether, can protect by strengthening part again, all through insurance and switch access respective pins, the equipment that can prevent burns out all power supplys, wherein, F1, F2, F3 are power supply input insurance; S1, S2, S3, S4 are switch; J1-A, J1-B, J1-G, J1-E, J1-F, J2-G are the interfaces of energy supply control module and external unit, and FAN is fan.

Load control module circuit diagram as shown in Figure 3, described load control module provides suitable pull-up resistor according to the test needs for the window temperature adding controller; It comprises two parts, and a part is the heating load control circuit, and a part is the output load control circuit, heating load is high-power resistance, adopts single-pole switch, such as S4, S4 ', S4 ", or three-position switch; such as S7-1; S7-2, S7-3, the circuit structure that adds the resistance series connection increases each position heating resistor or operating resistance resistance step by step; be that handled easily is realized again easily, has avoided adopting large resistance high-power resistance not only to increase cost but also increases the problem of amount of space.The output load control circuit adopts identical circuit structure, and just the output resistor power is smaller, and wherein, J1-C, J1-D, J2-A, J2-B are the interfaces of load control module and external unit.

Failure indication module circuit diagram as shown in Figure 4, described failure indication module is used for the indication of the failure message of window temperature adding controller.It adopts amplifier AM1 and triode LA to realize, access power supply during normal condition, because the low negative voltage of the forward voltage of amplifier AM1 is high, cause amplifier AM1 output low level, thereby make triode LA transmitter and collector conducting, make the malfunction indicator lamp two ends have terminal voltage, make pilot lamp bright, this is normal condition.When the window temperature adding controller has fault, the input low level signal, cause the high negative voltage of amplifier AM1 forward voltage low, make amplifier AM1 output high level, thereby cause triode LA to turn-off pilot lamp two ends no-voltage, so pilot lamp does not work, this is malfunction, and wherein, J2-E is the interface of fault indicating module and external unit.

429 signal input module circuit diagrams as shown in Figure 5,429 signal input module transmission ARINC429 control signal is to the window temperature adding controller, and the feedback signal of receive window temperature adding controller is controlled test process simultaneously; 429 signal input signals are converted to standard 429 signal levels through amplifier AM2A, amplifier AM2B and output driving, export to the window temperature adding controller, and wherein, J2-M is the interface of 429 signal input module and external unit.

Discrete control module circuit diagram as shown in Figure 6, discrete control module is provided with the control port that OVRD, ENG1, ENG2, LEFT, RIGHT, VOL1, VOL2 and SOL1, SOL2 signal ground are provided for the window temperature adding controller; Mainly by single-pole switch the window temperature adding controller is applied the high-low level signal, the duty of control window temperature adding controller, wherein, J2-F, J2-T, J2-K, J2-C, J2-S, J2-Y, J2-Z, J2-a are the interfaces of discrete control module and external unit.

During concrete the application, equipment under test is that the window temperature adding controller is connected on the utility model by test interface, be that the window temperature adding controller applies power supply by energy supply control module, make its work, according to the test needs switch of discrete control module, the position of the switch of load control module are set, select suitable control command and pull-up resistor, make the window temperature adding controller under correct pattern, carry out work, 429 signal input module input of control commands and read the output valve of window temperature adding controller simultaneously, thereby the duty of checking window temperature adding controller.When the window temperature adding controller had fault, failure indication module can be indicated fault.

The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the utility model scope of disclosure; the variation that can expect easily or replacement all should be encompassed in the protection domain of the utility model claim.

Claims

1. a window temperature adding controller proving installation is characterized in that, comprising: be energy supply control module, discrete control module, load control module, 429 signal input module, the failure indication module that the window temperature adding controller is connected with device being tested respectively.

Described energy supply control module accesses the window temperature adding controller by insurance and gauge tap, and is provided with pilot lamp and each is inputted mutually indicates; By insuring equipment ground, protection ground and connecting together with exchanging, all power supplys all burn out to prevent equipment through insurance and switch access respective pins;

Described load control module provides suitable pull-up resistor according to the test needs for the window temperature adding controller; It comprises two parts, a part is the heating load control circuit, a part is the output load control circuit, heating load is high-power resistance, the circuit structure that adopts single-pole switch or three-position switch to add the resistance series connection increases each position heating resistor or operating resistance resistance step by step, and the output load control circuit adopts identical circuit structure;

Described failure indication module employing amplifier and triode are realized the indication to the failure message of window temperature adding controller;

Described 429 signal input module have adopted amplifier and triode;

Described discrete control module is provided with the control port that OVRD, ENG, LEFT, RIGHT, VOL and SOL signal ground are provided for the window temperature adding controller.