CN113104238B

CN113104238B - Circuit for preventing fault of solar wing spreading indicating switch

Info

Publication number: CN113104238B
Application number: CN202110552918.7A
Authority: CN
Inventors: 张肖君; 尹兴月; 郑昭希; 刘吉晔; 林君毅; 张帅
Original assignee: Cetc Energy Co ltd; CETC 18 Research Institute
Current assignee: Cetc Blue Sky Technology Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2022-08-02
Anticipated expiration: 2041-05-20
Also published as: CN113104238A

Abstract

The invention discloses a circuit for preventing faults of a solar wing unfolding indicating switch, which belongs to the technical field of satellite power supplies and is characterized in that an unfolding indicating resistance module comprises: the device comprises an insulation module, two conduction modules and an expansion indicating resistor; the unfolding indication switch backup comprises an unfolding indication switch A arranged on the upper side of the substrate and an unfolding indication switch B arranged on the lower side of the substrate, and the unfolding indication switch A is close to a solar panel A provided with an unfolding indication resistor; the expansion indication backup circuit includes: three groups of wires are led out from two ends of the unfolding indicating resistance module, and the three groups of wires are respectively a group A, a group B and a group C; the electric connector is arranged on the solar panel A, and the cable clamp is arranged on the side face of the panel of the adjacent face of the solar panel A and the solar panel B. The invention realizes the separation of the unfolding indicating resistor and the unfolding indicating switch, and the obstacle and the failure of the unfolding indicating switch can not influence the obstacle and the failure of the unfolding indicating resistor.

Description

Circuit for preventing fault of solar wing spreading indicating switch

Technical Field

The invention belongs to the technical field of satellite power supplies, and particularly relates to a circuit for preventing faults of a solar wing spreading indicating switch.

Background

As is known well, a solar cell array is used as a heart of satellite energy, whether solar wings can be normally unfolded or not becomes one of the decisive links of success or failure of satellite launching, an unfolding indicating resistance circuit is used as a technical means for telemetering and judging whether the solar wings are normally unfolded or not, and the reasonability of the design of the unfolding indicating circuit directly influences whether telemetering data unfolded on the solar wings are correct or not. At present, the unfolding indication resistance circuits adopted by most satellites in orbit are single-switch unidirectional circuits, and once a certain switch in an unfolding indication circuit loop cannot be normally folded in the satellite transmitting process, ground telemetering cannot correctly judge whether the solar wing is normally unfolded in orbit, and if the power does not accord with the expectation, the specific position of the solar panel at the unfolded part cannot be judged.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a circuit for preventing the fault of a solar wing spread indicating switch.

The invention aims to provide a circuit for preventing faults of a solar wing spread indicating switch, which comprises:

an unroll indication resistance module, the unroll indication resistance module comprising: the solar cell module comprises an insulation module for realizing insulation between a conduction module and a solar cell panel, two conduction modules arranged on the insulation module, and an expansion indication resistor arranged between the two conduction modules;

the unfolding indication switch backup comprises an unfolding indication switch A arranged on the upper side of the substrate and an unfolding indication switch B arranged on the lower side of the substrate, the unfolding indication switch A is close to the solar panel A provided with the unfolding indication resistor, and the unfolding indication switch B is close to the solar panel B not provided with the unfolding indication resistor;

an expansion indication backup circuit, the expansion indication backup circuit comprising: three groups of wires are led out from two ends of the unfolding indicating resistance module, and the three groups of wires are respectively a group A, a group B and a group C; wherein: the group A is arranged to the unfolding indicating switch A along the plate edge of the solar panel A, the group B and the group C are arranged to the electric connector and enter the solar panel B through the plate edge cable clips, the group B is arranged to the unfolding indicating switch B along the plate edge of the solar panel B, and the group C is thrown to the next unfolding indicating link along with the cable between the solar panel B and the panel; the electric connector is arranged on the solar panel A, and the cable clamp is arranged on the side face of the panel of the adjacent face of the solar panel A and the solar panel B.

Preferably, the expansion indication resistor is mounted on the solar panel through the conduction module and the insulation module.

The beneficial effect of this application is:

the invention realizes the separation of the unfolding indicating resistor and the unfolding indicating switch, and the obstacle and the failure of the unfolding indicating switch can not influence the obstacle and the failure of the unfolding indicating resistor;

the backup of the expansion indicating switch is realized, the backup is arranged on the upper side and the lower side of the solar panel and does not interfere with each other, and when the expansion indicating switch A fails, the expansion indicating switch B works; when the unfolding indicating switch B generates failure, the unfolding indicating switch A works. When the satellite is launched successfully to enter the orbit, the solar wing is unfolded, and the backup unfolding indicating switch can accurately judge the fault position and provide a support basis for the fault reason.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a block diagram of a preferred embodiment of the present invention;

FIG. 2 is a block diagram of an unrolled indicating resistor in a preferred embodiment of the invention;

fig. 3 is a schematic diagram of a deployment indication circuit in a preferred embodiment of the present invention.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover non-exclusive inclusions, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1 to 3, a circuit for preventing a fault of a sun wing spreading indicating switch includes: the expansion indication resistance module is used for expanding indication switch backup and expanding an indication backup circuit; wherein:

unfolding the indicating resistance module:

the solar cell module comprises an expansion indicating resistor 7, an insulation module 8 and a conduction module 9, wherein the insulation module realizes insulation between the conduction module and a solar cell panel, the conduction module is arranged on the insulation module, and the expansion indicating resistor is arranged on the conduction module;

backup of an expansion indication switch:

the solar cell panel comprises two unfolding indicating switches, wherein the unfolding indicating switch A and the unfolding indicating switch B are respectively arranged on the upper side and the lower side of a substrate, the unfolding indicating switch A is arranged on the upper side of the substrate, the unfolding indicating switch B is arranged on the lower side of the substrate, the unfolding indicating switch A is close to the solar cell panel 1 provided with the unfolding indicating resistor, and the unfolding indicating switch B is close to the solar cell panel B not provided with the unfolding indicating resistor.

An expansion indication backup circuit:

the cable is composed of three groups of wires, a cable clamp and an electric connector. Three groups of wires are led out from two ends of the unfolding indication resistance module and respectively comprise a group A6-1, a group B6-2 and a group C6-3, wherein the group A is arranged to the unfolding indication switch A2-1 along the plate edge of the solar panel A1-1, the group B and the group C are arranged to the electric connector and enter the solar panel B through a plate edge cable clamp, the group B is arranged to the unfolding indication switch B2-2 along the plate edge of the solar panel B1-2, and the group C is thrown to the next unfolding indication link along with the cable between the solar panel B plates. The electric connector is arranged on the solar panel A, and the cable clamp is arranged on the side face of the solar panel A and the side face of the solar panel B which are adjacent.

The working principle of the preferred embodiment of the invention is as follows:

the unfolding indicating resistor is arranged on the solar panel through the conducting module and the insulating module, so that the unfolding indicating resistor is isolated from the unfolding indicating switch, three groups of wires are led out from the unfolding indicating resistor module, the group A is arranged on the unfolding indicating switch of the solar panel A1-1, the group B is arranged on the unfolding indicating switch of the solar panel B through the electric connector 5 and the inter-panel cable clip 4, and double backup of the unfolding indicating switch is realized. Group C is interconnected to the next deployment indicating switch and the final electrical connector contact by the inter-board cable 3. Thereby realizing the backup of the expansion indication switch.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A circuit for solar wing spread indicating switch fault prevention, comprising at least:

an unroll indication resistance module, the unroll indication resistance module comprising: the solar photovoltaic module comprises an insulation module for realizing insulation between a conduction module and a solar panel, two conduction modules arranged on the insulation module, and an expansion indication resistor arranged between the two conduction modules;

the backup of the expansion indication switch comprises an expansion indication switch A arranged on the upper side of the substrate and an expansion indication switch B arranged on the lower side of the substrate, and the expansion indication switch A is close to the solar panel A provided with the expansion indication resistor;

2. The circuit for solar span opening indicating switch fault prevention of claim 1, wherein: the unfolding indicating resistor is installed on the solar panel through the conduction module and the insulation module.