CN202815951U

CN202815951U - History recorder of engine

Info

Publication number: CN202815951U
Application number: CN 201220393804
Authority: CN
Inventors: 喻承恩; 桂晓玉; 陈丽; 袁伟; 李明; 成亮; 沈领; 王进; 王扩军
Original assignee: China National South Aviation Industry Co Ltd
Current assignee: AECC South Industry Co Ltd
Priority date: 2012-08-09
Filing date: 2012-08-09
Publication date: 2013-03-20
Anticipated expiration: 2022-08-09

Abstract

The utility model discloses a history recorder of an engine. The history recorder comprises a first counter for recording the actual frequency of mechanical stress experienced by parts of the engine, a second counter for recording the actual frequency of high-temperature stress experienced by the parts of the engine, a third counter for recording temperature-time indexes of a gas turbine outlet of the engine, and a fourth counter for recording the actual running time of the engine, wherein the first counter, the second counter, the third counter and the fourth counter are connected with an electronic control unit of the engine through an electric connector. The history recorder of the engine has the characteristics of high counting accuracy and high reliability.

Description

A kind of history recorder of engine

Technical field

The utility model relates to the field of accessories of engine, especially, relates to a kind of history recorder of engine.

Background technology

Engine, especially aeromotor need engine total run time, the tired number of cycle of engine and time humidity index are carried out record.

There is no at present special-purpose history recorder above data are carried out record, inconvenience checks that the running of engine is historical, is unfavorable for the judgement of engine maintenance and fault.Although engine total run time, the tired number of cycle of engine and time humidity index can be inquired about inquiry inconvenience in engine electric-controlled unit (ECU); Particularly work as engine and break down, when causing ECU (Electrical Control Unit) (ECU) outage, historical record is easily lost.

The utility model content

The utility model purpose is to provide the history recorder of the high engine of a kind of counting precision height and reliability, checks and record the technical matters of easily losing to solve the inconvenience of engine running record.

For achieving the above object, the utility model provides a kind of history recorder of engine, comprising:

The first counter, the parts that are used for recording engine experience the actual frequency of mechanical stress;

The second counter, the parts that are used for recording engine experience the actual frequency of high temperature stress;

The 3rd counter is for the gas turbine outlet temperature-time index of recording engine;

Four-counter is for the real-world operation time of recording engine;

Described the first counter, described the second counter, described the 3rd counter and described four-counter all link to each other with the ECU (Electrical Control Unit) of engine by electric connector.

As a further improvement on the present invention:

Described the first counter, described the second counter, described the 3rd counter and described four-counter are the counter that shows wheel with mechanical digital.

The count pulse output terminal of the parts of engine experience mechanical stress links to each other in the negative pole of described the first counter and the described ECU (Electrical Control Unit); The count pulse output terminal of the parts of engine experience high temperature stress links to each other in the negative pole of described the second counter and the described ECU (Electrical Control Unit); The pulse output end of the gas turbine outlet temperature-time index of engine links to each other in the negative pole of described the 3rd counter and the described ECU (Electrical Control Unit); The pulse output end of the real-world operation time of engine links to each other in the negative pole of described four-counter and the described ECU (Electrical Control Unit); The anodal of described the first counter, described the second counter, described the 3rd counter and described four-counter all is connected with operating voltage in the described ECU (Electrical Control Unit).

Described the first counter, described the second counter, described the 3rd counter and described four-counter all are installed in the housing, are positioned at described the first counter, described the second counter, described the 3rd counter and described four-counter place on the described housing and are provided with face glass.

Described electric connector is located on the described housing.

Also be provided with the second binding post on the described housing, described the second binding post is connected by the negative pole of commutation diode with described four-counter.

The utlity model has following beneficial effect:

1, the history recorder of engine of the present utility model, adopt No. four counters to cyclic fatigue number (number of times of experience mechanical stress and high temperature stress), total run time and the time humidity index etc. of engine, the real-world operation situation after but recording engine dispatches from the factory, to judge as engine maintenance, fault and the foundation of the durability analysis of engine, be applicable to the engine of various models, be particularly useful for aeromotor.

2, the history recorder of engine of the present utility model, No. four counters are connected the counting precision height with corresponding pulses output in the ECU (Electrical Control Unit) respectively; Employing is counted with the counter of mechanical digital demonstration wheel and is shown, electric signal can be converted into mechanical signal, and count with the digital wheel of mechanical rotation, is difficult for losing so that data show, the registering instrument reliability is higher.

Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.The below is described in further detail the utility model with reference to figure.

Description of drawings

The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:

Fig. 1 is the electric circuit constitute synoptic diagram of the utility model preferred embodiment;

Fig. 2 is the mounting structure synoptic diagram of the history recorder of the utility model preferred embodiment;

Fig. 3 be Fig. 2 look up structure (lower cover is unkitted state) synoptic diagram;

Fig. 4 is the right TV structure synoptic diagram of Fig. 2.

Marginal data:

1, the first counter; 2, the second counter; 3, the 3rd counter; 4, four-counter; 5, electric connector; 6, housing; 7, the first binding post; 8, the second binding post; 9, the 3rd binding post; 10, commutation diode; 11, mooring bolt; 12, face glass.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.

As shown in Figure 1, the history recorder of engine of the present utility model comprises:

The first counter 1, the parts that are used for recording engine experience the actual frequency of mechanical stress;

The second counter 2, the parts that are used for recording engine experience the actual frequency of high temperature stress;

The 3rd counter 3 is for the gas turbine outlet temperature-time index of recording engine;

Four-counter 4 is for the real-world operation time of recording engine;

The first counter 1, the second counter 2, the 3rd counter 3 and four-counter 4 all link to each other by the ECU (Electrical Control Unit) (ECU, not shown) of electric connector 5 with engine.Adopt No. four counters to cyclic fatigue number (number of times of experience mechanical stress and high temperature stress), total run time and the time humidity index etc. of engine, the real-world operation situation after but recording engine dispatches from the factory, to judge as engine maintenance, fault and the foundation of the durability analysis of engine, be applicable to the engine of various models, be particularly useful for the running history of aeromotor is carried out record.

In the present embodiment, the first counter 1, the second counter 2, the 3rd counter 3 and four-counter 4 are the counter that shows wheel with mechanical digital.No. four counters are connected the counting precision height with corresponding pulses output in the ECU (Electrical Control Unit) respectively; Employing is counted with the counter of mechanical digital demonstration wheel and is shown, electric signal can be converted into mechanical signal, and count with the digital wheel of mechanical rotation, is difficult for losing so that data show, the registering instrument reliability is higher.

In the present embodiment, as shown in Figure 1, the count pulse output terminal of the parts of engine experience mechanical stress links to each other in the negative pole of the first counter 1 and the ECU (Electrical Control Unit); The count pulse output terminal of the parts of engine experience high temperature stress links to each other in the negative pole of the second counter 2 and the ECU (Electrical Control Unit); The pulse output end of the gas turbine outlet temperature-time index of engine links to each other in the negative pole of the 3rd counter 3 and the ECU (Electrical Control Unit); The pulse output end of the real-world operation time of engine links to each other in the negative pole of four-counter 4 and the ECU (Electrical Control Unit); The anodal of the first counter 1, the second counter 2, the 3rd counter 3 and four-counter 4 all is connected with operating voltage in the ECU (Electrical Control Unit).When the ECU (Electrical Control Unit) on the engine is sent a counting pulse signal, by a road in electric connector 5 inputs No. four counters on the history recorder, the digital wheel of this a counter position adds 1, when digital wheel position to 9 the time, then to ten carries of digital wheel, the like, the digital wheel of counter is the afterpulsing signalizing activity continuously, thereby realizes the purpose of counting.

In the present embodiment, such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the first counter 1, the second counter 2, the 3rd counter 3 and four-counter 4 all are installed in the housing 6, and housing 6 installs on rack or the operating table surface by three mooring bolts 11.Be positioned at the first counter 1, the second counter 2, the 3rd counter 3 and four-counter 4 places on the housing 6 and be provided with face glass 12.The anodal first tandem of the first counter 1, the second counter 2, the 3rd counter 3 and four-counter 4 is on the first binding post.Also be provided with the second binding post 8 in the housing 6.The second binding post 8 is connected with the negative pole of commutation diode 10, and the positive pole of commutation diode 10 and the negative pole of four-counter 4 are connected on the 3rd binding post 8.Electric connector 5 links to each other with the ECU (Electrical Control Unit) of engine on the housing 6 by being located at for the negative pole of four counters, the first binding post and the second binding post 8.Commutation diode 10 is for the protection of four-counter 4.During actual the use, the housing integral sealing, electric connector 5 and the first binding post 7, the second binding post 8, the 3rd binding post 9 places all adopt and are threaded and adopt silicon rubber to seal, and are waterproof dustproof, and can play the effect of anti-electromagnetic interference (EMI).

The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. the history recorder of an engine is characterized in that, comprising:

The first counter (1), the parts that are used for recording engine experience the actual frequency of mechanical stress;

The second counter (2), the parts that are used for recording engine experience the actual frequency of high temperature stress;

The 3rd counter (3) is for the gas turbine outlet temperature-time index of recording engine;

Four-counter (4) is for the real-world operation time of recording engine;

Described the first counter (1), described the second counter (2), described the 3rd counter (3) and described four-counter (4) all link to each other with the ECU (Electrical Control Unit) of engine by electric connector (5).

2. the history recorder of engine according to claim 1, it is characterized in that described the first counter (1), described the second counter (2), described the 3rd counter (3) and described four-counter (4) are the counter that shows wheel with mechanical digital.

3. the history recorder of engine according to claim 2 is characterized in that,

The count pulse output terminal of the parts of engine experience mechanical stress links to each other in the negative pole of described the first counter (1) and the described ECU (Electrical Control Unit);

The count pulse output terminal of the parts of engine experience high temperature stress links to each other in the negative pole of described the second counter (2) and the described ECU (Electrical Control Unit);

The pulse output end of the gas turbine outlet temperature-time index of engine links to each other in the negative pole of described the 3rd counter (3) and the described ECU (Electrical Control Unit);

The pulse output end of the real-world operation time of engine links to each other in the negative pole of described four-counter (4) and the described ECU (Electrical Control Unit);

The anodal of described the first counter (1), described the second counter (2), described the 3rd counter (3) and described four-counter (4) all is connected with operating voltage in the described ECU (Electrical Control Unit).

4. the history recorder of each described engine in 3 according to claim 1, it is characterized in that, described the first counter (1), described the second counter (2), described the 3rd counter (3) and described four-counter (4) all are installed in the housing (6), are positioned at described the first counter (1), described the second counter (2), described the 3rd counter (3) and described four-counter (4) on the described housing (6) and locate to be provided with face glass (12).

5. the history recorder of engine according to claim 4 is characterized in that, described electric connector (5) is located on the described housing (6).

6. the history recorder of engine according to claim 5, it is characterized in that, also be provided with the second binding post (8) on the described housing (6), described the second binding post (8) is connected with the negative pole of described four-counter (4) by commutation diode (10).