CN203573119U - Redundant circuit of drogue parachute lock - Google Patents
Redundant circuit of drogue parachute lock Download PDFInfo
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- CN203573119U CN203573119U CN201320776664.8U CN201320776664U CN203573119U CN 203573119 U CN203573119 U CN 203573119U CN 201320776664 U CN201320776664 U CN 201320776664U CN 203573119 U CN203573119 U CN 203573119U
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Abstract
The utility model relates to a redundant circuit of a drogue parachute lock. The redundant circuit includes a microswitch, an electromagnetic mechanism, two circuits of current input and two circuits of signal output; an positive pole of the electromagnetic mechanism is connected with an positive pole of a current input circuit, two pairs of normally open contacts are respectively connected with the two circuits of current input, and two pairs of normally closed contacts are respectively connected with the two circuits of signal output; and one terminal of each pair of normally closed contacts is connected with a negative pole of the electromagnetic mechanism, and the other terminal of each pair of normally closed contacts is connected with a negative pole of the current input circuit, one terminal of each pair of normally open contacts is connected with a negative pole of the signal output circuit, and the other terminal of each pair of normally open contacts is connected with a positive pole of the signal output circuit. On the premise of keeping functions of a present circuit system, a redundancy design is added to the redundant circuit of the drogue parachute lock, the two circuits of current input and the two circuits of signal output are achieved, and the reliability is high; and the redundant circuit of the drogue parachute lock can be achieved by simply modifying a present drogue parachute lock, the structure is simple and the redundant circuit is convenient and feasible.
Description
Technical field
The utility model relates to a kind of drag parachute lock redundant circuit.
Background technology
The drag parachute lock of existing electromechanical integrated structure, its circuit possesses the function of power-off protection and signal output.Drag parachute lock is aircraft normal landing device, and each process of rising and falling must be used, and reliability requirement is higher, but this Circuits System is the input of single channel electric current, one-channel signal export structure.If in use oneway circuit breaks down drag parachute lock cannot normally be worked, there is certain hidden danger.Along with the development need of domestic flight device, more reliable Circuits System requires to be suggested, and current existing drag parachute lock circuit structure cannot meet request for utilization.
Summary of the invention
The technical problems to be solved in the utility model is, a kind of drag parachute lock redundant circuit with the input of two-way electric current and two paths of signals output is provided.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of drag parachute lock redundant circuit, comprise microswitch, electromagnetic mechanism, the input of two-way electric current and two paths of signals output, the positive pole of described electromagnetic mechanism is connected with the positive pole of current input circuit; Described microswitch is provided with two pairs of normally opened contacts and two pairs of normally closed contacts, and when two pairs of normally opened contacts are closed, two pairs of normally closed contacts disconnect, and when two pairs of normally closed contacts are closed, two pairs of normally opened contacts disconnect; Two pairs of normally opened contacts are connected with the input of two-way electric current respectively, and two pairs of normally closed contacts are connected with two paths of signals output respectively; One end of described normally closed contact is connected with the negative pole of electromagnetic mechanism, and the other end is connected with the negative pole of current input circuit, and one end of described normally opened contact is connected with the negative pole of signal output apparatus, and the other end is connected with the positive pole of signal output apparatus.
In such scheme, described two pairs of normally closed contacts comprise the first normally closed contact, the second normally closed contact, the 3rd normally closed contact and the 4th normally closed contact, described the first normally closed contact and the 3rd normally closed contact are connected in the negative pole of described electromagnetic mechanism in parallel, and described the second normally closed contact and the 4th normally closed contact are connected in the negative pole of described current input circuit in parallel.
In such scheme, described two pairs of normally opened contacts comprise the first normally opened contact, the second normally opened contact, the 3rd normally opened contact and the 4th normally opened contact, the negative pole of described the first normally opened contact Yu Yi road signal output apparatus connects, the positive pole of described the second normally opened contact Yu Yi road signal output apparatus connects, the negative pole of described the 3rd normally opened contact Yu Er road signal output apparatus connects, and the positive pole of described the 4th normally opened contact Yu Er road signal output apparatus connects.
Implement drag parachute lock redundant circuit of the present utility model, there is following beneficial effect:
The utility model drag parachute lock redundant circuit keeps, in the constant situation of available circuit systemic-function, increasing Redundancy Design, has realized the input of two-way electric current and two paths of signals output, reliability is high, and can directly in existing drag parachute lock, carry out simple modifications, simple in structure, facilitate feasible.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of the utility model drag parachute lock redundant circuit.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, the utility model drag parachute lock redundant circuit comprises microswitch 2, electromagnetic mechanism 1, the input of two-way electric current and two paths of signals output.
The positive pole of electromagnetic mechanism 1 is connected with the anodal B of current input circuit, and microswitch 2 is provided with two pairs of normally opened contacts 4 and two pairs of normally closed contacts 3.Two pairs of normally closed contacts 3 comprise the first normally closed contact 31, the second normally closed contact 32, the 3rd normally closed contact 33 and the 4th normally closed contact 34.The first normally closed contact 31 and the 3rd normally closed contact 33 are connected in the negative pole of electromagnetic mechanism 1 in parallel, and the second normally closed contact 32 and the 4th normally closed contact 34 are connected in the negative pole C of current input circuit in parallel.Two pairs of normally opened contacts 4 comprise the first normally opened contact 41, the second normally opened contact 42, the 3rd normally opened contact 43 and the 4th normally opened contact 44.The negative pole D of the first normally opened contact 41Yu mono-road signal output apparatus connects, the anodal A of the second normally opened contact 42Yu mono-road signal output apparatus connects, the negative pole F of the 3rd normally opened contact 43Yu bis-road signal output apparatus connects, and the anodal E of the 4th normally opened contact 44Yu bis-road signal output apparatus connects.
When two pairs of normally opened contacts 4 are closed, two pairs of normally closed contacts 3 disconnect, and when two pairs of normally closed contacts 3 are closed, two pairs of normally opened contacts 4 disconnect.During drag parachute lock locking, the first normally closed contact 31 and the second normally closed contact 32 conductings, the 3rd normally closed contact 33 and the 4th normally closed contact 34 conducting delivered currents; The first normally opened contact 41 and the second normally opened contact 42 disconnect, and the 3rd normally opened contact 43 and the 4th normally opened contact 44 disconnect, shutoff signal.During resistance lock open mode, the first normally closed contact 31 and the second normally closed contact 32 disconnect, and the 3rd normally closed contact 33 and the 4th normally closed contact 34 disconnect and cut off electric current; The first normally opened contact 41 and the second normally opened contact 42 connect, and the 3rd normally opened contact 43 and the 4th normally opened contact 44 connect transmission of signal output.
The utility model drag parachute lock redundant circuit keeps, in the constant situation of available circuit systemic-function, increasing Redundancy Design, has realized the input of two-way electric current and two paths of signals output, reliability is high, and can directly in existing drag parachute lock, carry out simple modifications, simple in structure, facilitate feasible.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (3)
1. a drag parachute lock redundant circuit, is characterized in that, comprises microswitch, electromagnetic mechanism, the input of two-way electric current and two paths of signals output, and the positive pole of described electromagnetic mechanism is connected with the positive pole of current input circuit; Described microswitch is provided with two pairs of normally opened contacts and two pairs of normally closed contacts, and when two pairs of normally opened contacts are closed, two pairs of normally closed contacts disconnect, and when two pairs of normally closed contacts are closed, two pairs of normally opened contacts disconnect; Two pairs of normally opened contacts are connected with the input of two-way electric current respectively, and two pairs of normally closed contacts are connected with two paths of signals output respectively; One end of described normally closed contact is connected with the negative pole of electromagnetic mechanism, and the other end is connected with the negative pole of current input circuit, and one end of described normally opened contact is connected with the negative pole of signal output apparatus, and the other end is connected with the positive pole of signal output apparatus.
2. drag parachute according to claim 1 is locked redundant circuit, it is characterized in that, described two pairs of normally closed contacts comprise the first normally closed contact, the second normally closed contact, the 3rd normally closed contact and the 4th normally closed contact, described the first normally closed contact and the 3rd normally closed contact are connected in the negative pole of described electromagnetic mechanism in parallel, and described the second normally closed contact and the 4th normally closed contact are connected in the negative pole of described current input circuit in parallel.
3. drag parachute according to claim 1 is locked redundant circuit, it is characterized in that, described two pairs of normally opened contacts comprise the first normally opened contact, the second normally opened contact, the 3rd normally opened contact and the 4th normally opened contact, the negative pole of described the first normally opened contact Yu Yi road signal output apparatus connects, the positive pole of described the second normally opened contact Yu Yi road signal output apparatus connects, the negative pole of described the 3rd normally opened contact Yu Er road signal output apparatus connects, and the positive pole of described the 4th normally opened contact Yu Er road signal output apparatus connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320776664.8U CN203573119U (en) | 2013-11-29 | 2013-11-29 | Redundant circuit of drogue parachute lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320776664.8U CN203573119U (en) | 2013-11-29 | 2013-11-29 | Redundant circuit of drogue parachute lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573119U true CN203573119U (en) | 2014-04-30 |
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ID=50540843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320776664.8U Expired - Fee Related CN203573119U (en) | 2013-11-29 | 2013-11-29 | Redundant circuit of drogue parachute lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573119U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325538A (en) * | 2021-12-30 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Portable multipurpose wiring device and method |
| CN116084782A (en) * | 2022-11-18 | 2023-05-09 | 航宇救生装备有限公司 | Circuit switching control device for drag umbrella lock |
-
2013
- 2013-11-29 CN CN201320776664.8U patent/CN203573119U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114325538A (en) * | 2021-12-30 | 2022-04-12 | 中国航空工业集团公司金城南京机电液压工程研究中心 | Portable multipurpose wiring device and method |
| CN116084782A (en) * | 2022-11-18 | 2023-05-09 | 航宇救生装备有限公司 | Circuit switching control device for drag umbrella lock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20181129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |