CN205792211U - A kind of power-supply filter and airborne opto-electronic device - Google Patents

A kind of power-supply filter and airborne opto-electronic device Download PDF

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CN205792211U
CN205792211U CN201620611277.2U CN201620611277U CN205792211U CN 205792211 U CN205792211 U CN 205792211U CN 201620611277 U CN201620611277 U CN 201620611277U CN 205792211 U CN205792211 U CN 205792211U
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power
shielding
filter
filter circuit
electronic device
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闯家亮
杨百剑
李江勇
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CETC 11 Research Institute
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Abstract

本实用新型提出了一种电源滤波器和机载光电设备，所述电源滤波器，包括：滤波电路、屏蔽外壳、屏蔽后盖和屏蔽挡板；所述屏蔽外壳和屏蔽后盖结合形成屏蔽盒；各个所述滤波电路放置于所述屏蔽盒内；所述屏蔽挡板设置于各个所述滤波电路之间，所述屏蔽挡板用于在各个所述滤波电路之间进行隔离屏蔽。所述机载光电设备，包括：上述的电源滤波器和机载光电设备减重槽；所述电源滤波器的屏蔽外壳的外表面的一部分与所述机载光电设备减重槽的槽面相接触，另一部分与所述机载光电设备减重槽的槽面形成一个密闭的空腔，所述密闭的空腔用于放置连接所述机载光电设备的电源输入端口与所述电源滤波器的电源输入端口的线缆。

The utility model provides a power filter and an airborne optoelectronic device. The power filter includes: a filter circuit, a shielding shell, a shielding back cover and a shielding baffle; the shielding shell and the shielding back cover are combined to form a shielding box Each of the filter circuits is placed in the shielding box; the shielding baffle is arranged between each of the filter circuits, and the shielding baffle is used for isolation and shielding between each of the filter circuits. The airborne optoelectronic equipment includes: the above-mentioned power filter and the weight-reducing groove of the airborne optoelectronic equipment; a part of the outer surface of the shielding shell of the power filter is in contact with the groove surface of the weight-loss groove of the airborne optoelectronic equipment , the other part forms an airtight cavity with the groove surface of the weight-reducing groove of the airborne optoelectronic equipment, and the airtight cavity is used to place the power input port connecting the airborne optoelectronic equipment and the power filter The cable for the power input port.

Description

一种电源滤波器和机载光电设备A power filter and airborne optoelectronic equipment

技术领域technical field

本实用新型涉及电源滤波器技术领域，尤其涉及一种电源滤波器和机载光电设备。The utility model relates to the technical field of power supply filters, in particular to a power supply filter and airborne photoelectric equipment.

背景技术Background technique

载机供电环境具有不稳定性，输入到机载光电设备的电源虽然经过了二次电源稳压和滤波处理，但是仍有传导和辐射干扰，会影响图像质量和机载光电设备的性能。因此，在机载光电设备的电源输入端装有滤波器。但是大多滤波器为固定封装，虽滤波器本身完全屏蔽，但是连接机载光电设备的电源输入端与滤波器输入端的线缆暴露于设备舱，因此线缆会以辐射的方式干扰机载光电设备的内部组件。The power supply environment of the airborne aircraft is unstable. Although the power input to the airborne optoelectronic equipment has been stabilized and filtered by the secondary power supply, there are still conduction and radiation interference, which will affect the image quality and the performance of the airborne optoelectronic equipment. Therefore, a filter is installed at the power input of the airborne optoelectronic equipment. However, most filters are fixed packages. Although the filter itself is completely shielded, the cables connecting the power input end of the airborne optoelectronic equipment and the input end of the filter are exposed to the equipment compartment, so the cables will interfere with the airborne optoelectronic equipment in the form of radiation. internal components.

实用新型内容Utility model content

本实用新型要解决的技术问题是，提供一种电源滤波器和机载光电设备，提升电源滤波器的可靠性、适装性、维护性和环境适应性。The technical problem to be solved by the utility model is to provide a power filter and an airborne optoelectronic device to improve the reliability, suitability, maintainability and environmental adaptability of the power filter.

本实用新型采用的技术方案是，所述电源滤波器，包括：滤波电路、屏蔽外壳、屏蔽后盖和屏蔽挡板；The technical solution adopted by the utility model is that the power supply filter includes: a filter circuit, a shielding shell, a shielding back cover and a shielding baffle;

所述屏蔽外壳和屏蔽后盖结合形成屏蔽盒；The shielding shell and the shielding back cover are combined to form a shielding box;

各个所述滤波电路放置于所述屏蔽盒内；Each of the filter circuits is placed in the shielding box;

所述屏蔽挡板设置于各个所述滤波电路之间，所述屏蔽挡板用于在各个所述滤波电路之间进行隔离屏蔽。The shielding baffle is arranged between each of the filter circuits, and the shielding baffle is used for isolation and shielding between each of the filter circuits.

进一步的，所述屏蔽外壳是经过导电氧化处理过的屏蔽外壳。Further, the shielding shell is a shielding shell that has undergone conductive oxidation treatment.

进一步的，所述屏蔽挡板上设置有穿线口，所述穿线口用于供各个所述滤波电路的输入线缆和输出线缆从所述穿线口中穿过。Further, the shielding baffle is provided with a threading hole, and the threading hole is used for the input cables and output cables of each filter circuit to pass through the threading hole.

进一步的，所述电源滤波器，还包括：输入线槽、输出线槽、电源输入端口和电源输出端口；Further, the power filter also includes: an input wire slot, an output wire slot, a power input port, and a power output port;

所述电源输入端口和电源输出端口分别设置于所述屏蔽外壳的两端，所述输入线槽和输出线槽设置于所述屏蔽盒内，所述电源输入端口与输入线槽连接，所述电源输出端口与输出线槽连接；The power input port and the power output port are respectively arranged at both ends of the shielding shell, the input wire groove and the output wire groove are arranged in the shielding box, the power input port is connected with the input wire groove, and the The power output port is connected to the output wire slot;

所述输入线槽用于存放各个所述滤波电路的输入线缆，以使各个所述滤波电路的输入线缆与各个所述滤波电路隔离屏蔽；The input wire slot is used to store the input cables of each of the filter circuits, so that the input cables of each of the filter circuits are isolated and shielded from each of the filter circuits;

所述输出线槽用于存放各个所述滤波电路的输出线缆，以使各个所述滤波电路的输出线缆与各个所述滤波电路隔离屏蔽。The output wire groove is used to store the output cables of each of the filter circuits, so that the output cables of each of the filter circuits are isolated and shielded from each of the filter circuits.

进一步的，所述滤波电路采用无源二阶滤波电路。Further, the filter circuit adopts a passive second-order filter circuit.

本实用新型还提供一种机载光电设备，包括：上述的电源滤波器和机载光电设备减重槽；The utility model also provides an airborne optoelectronic device, comprising: the above-mentioned power filter and the airborne optoelectronic equipment weight reduction tank;

所述电源滤波器的屏蔽外壳的形状与所述机载光电设备减重槽的形状匹配，使得所述电源滤波器的屏蔽外壳嵌入所述机载光电设备减重槽中。The shape of the shielding shell of the power filter matches the shape of the weight-reducing groove of the airborne optoelectronic equipment, so that the shielding shell of the power filter is embedded in the weight-reducing groove of the airborne optoelectronic equipment.

进一步的，所述电源滤波器的屏蔽外壳嵌入所述机载光电设备减重槽中，包括：Further, the shielding casing of the power filter is embedded in the weight-reducing groove of the airborne optoelectronic equipment, including:

所述电源滤波器的屏蔽外壳的外表面的一部分与所述机载光电设备减重槽的槽面相接触，另一部分与所述机载光电设备减重槽的槽面形成一个密闭的空腔，所述密闭的空腔位于所述电源滤波器的电源输入端口处，所述密闭的空腔用于放置连接所述机载光电设备的电源输入端口与所述电源滤波器的电源输入端口的线缆。A part of the outer surface of the shielding shell of the power filter is in contact with the groove surface of the weight-reducing groove of the airborne optoelectronic equipment, and the other part forms a closed cavity with the groove surface of the weight-reducing groove of the airborne optoelectronic equipment, The airtight cavity is located at the power input port of the power filter, and the airtight cavity is used to place the line connecting the power input port of the airborne optoelectronic equipment and the power input port of the power filter. cable.

进一步的，所属机载光电设备还包括：导电屏蔽胶条，所述导电屏蔽胶条设置在所述屏蔽外壳的边沿处。Further, the airborne optoelectronic device further includes: a conductive shielding rubber strip, and the conductive shielding rubber strip is arranged at the edge of the shielding shell.

采用上述技术方案，本实用新型至少具有下列优点：By adopting the above-mentioned technical scheme, the utility model has at least the following advantages:

本实用新型所述的电源滤波器和机载光电设备，在电源滤波器内设置屏蔽挡板，使得各个滤波电路彼此之间隔离屏蔽，有效隔离辐射和传导噪声；所述电源滤波器的外形与机载光电设备的外形采用共型设计，不占用机载光电设备的空间，结构简单，提升了电源滤波器的可靠性和适装性。通过电源滤波器的屏蔽外壳与机载光电设备减重槽的匹配设计，将连接机载光电设备的电源输入端口和电源滤波器的电源输入端口的线缆完全与机载光电设备的内部组件隔离，保证滤波效果。在维护过程中，直接拆卸电源滤波器的屏蔽后盖即可进行维修，无需从机载光电设备上拆除滤波器。The power supply filter and the airborne optoelectronic equipment described in the utility model are provided with shielding baffles in the power supply filter, so that each filter circuit is isolated and shielded from each other, effectively isolating radiation and conduction noise; the shape of the power supply filter and The appearance of the airborne optoelectronic equipment adopts a common design, which does not occupy the space of the airborne optoelectronic equipment, and has a simple structure, which improves the reliability and adaptability of the power filter. Through the matching design of the shielding shell of the power filter and the weight-reducing groove of the airborne optoelectronic equipment, the cables connecting the power input port of the airborne optoelectronic equipment and the power input port of the power filter are completely isolated from the internal components of the airborne optoelectronic equipment , to ensure the filtering effect. During the maintenance process, the shielding rear cover of the power filter can be directly removed for maintenance, without removing the filter from the airborne optoelectronic equipment.

附图说明Description of drawings

图1为本实用新型第一实施例的电源滤波器的外部的结构示意图一；FIG. 1 is a schematic diagram of the external structure of the power supply filter according to the first embodiment of the present invention;

图2为本实用新型第一实施例的电源滤波器的外部的结构示意图二；Fig. 2 is a schematic diagram 2 of the external structure of the power supply filter according to the first embodiment of the present invention;

图3为本实用新型第一实施例的电源滤波器的内部的结构示意图；Fig. 3 is a schematic diagram of the internal structure of the power supply filter according to the first embodiment of the present invention;

图4为本实用新型第二实施例的机载光电设备的结构示意图。FIG. 4 is a schematic structural diagram of an airborne optoelectronic device according to a second embodiment of the present invention.

具体实施方式detailed description

为更进一步阐述本实用新型为达成预定目的所采取的技术手段及功效，以下结合附图及较佳实施例，对本实用新型进行详细说明如后。In order to further explain the technical means and effects of the utility model to achieve the intended purpose, the utility model will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

本实用新型第一实施例，一种电源滤波器，所述电源滤波器应用于机载光电设备，满足机载供电条件、机载电磁兼容性要求和机载环境适应性要求，如图1、图2、图3所示，所述电源滤波器具体包括：屏蔽外壳1、电源输入端口2、源输出端口3、导电屏蔽胶条4、屏蔽后盖5、屏蔽挡板6、输入线槽7、输出线槽8和滤波电路9；The first embodiment of the utility model is a power supply filter, which is applied to airborne optoelectronic equipment and meets airborne power supply conditions, airborne electromagnetic compatibility requirements and airborne environmental adaptability requirements, as shown in Figure 1, As shown in Figure 2 and Figure 3, the power filter specifically includes: a shielding shell 1, a power input port 2, a source output port 3, a conductive shielding strip 4, a shielding back cover 5, a shielding baffle 6, and an input wire slot 7 , output wire slot 8 and filter circuit 9;

屏蔽外壳1和屏蔽后盖5结合形成屏蔽盒；The shielding shell 1 and the shielding back cover 5 are combined to form a shielding box;

各个滤波电路9放置于所述屏蔽盒内；Each filter circuit 9 is placed in the shielding box;

屏蔽挡板6设置于各个滤波电路9之间，屏蔽挡板6用于在各个滤波电路9之间进行隔离屏蔽；The shielding baffle 6 is arranged between each filter circuit 9, and the shielding baffle 6 is used for isolation and shielding between each filter circuit 9;

电源输入端口2和电源输出端口3分别设置于屏蔽外壳1的两端，输入线槽7和输出线槽8设置于所述屏蔽盒内，电源输入端口2与输入线槽7连接，电源输出端口3与输出线槽8连接；The power input port 2 and the power output port 3 are respectively arranged at both ends of the shielding shell 1, the input wire slot 7 and the output wire slot 8 are arranged in the shielding box, the power input port 2 is connected to the input wire slot 7, and the power output port 3 is connected with the output trunking 8;

输入线槽7用于存放各个滤波电路9的输入线缆，以使各个所述滤波电路9的输入线缆与各个滤波电路9隔离屏蔽；The input wire slot 7 is used to store the input cable of each filter circuit 9, so that the input cable of each filter circuit 9 is isolated and shielded from each filter circuit 9;

输出线槽8用于存放各个滤波电路9的输出线缆，以使各个滤波电路9的输出线缆与各个滤波电路9隔离屏蔽；The output wire slot 8 is used to store the output cables of each filter circuit 9, so that the output cables of each filter circuit 9 are isolated and shielded from each filter circuit 9;

在图3中输入线槽与输出线槽中均已布置有各个滤波电路的输入线缆与输出线缆；In Fig. 3, the input cable and the output cable of each filter circuit have been arranged in the input wire slot and the output wire slot;

导电屏蔽胶条4设置在屏蔽外壳1的边沿处。The conductive shielding rubber strip 4 is arranged at the edge of the shielding shell 1 .

具体的，屏蔽外壳1是经过导电氧化处理过的屏蔽外壳。Specifically, the shielding shell 1 is a shielding shell that has undergone conductive oxidation treatment.

屏蔽挡板6上设置有穿线口，所述穿线口用于供各个滤波电路9的输入线缆和输出线缆从所述穿线口中穿过。The shielding baffle 6 is provided with a threading hole, and the threading hole is used for the input cables and output cables of each filter circuit 9 to pass through the threading hole.

所述滤波电路9采用无源二阶滤波电路。The filter circuit 9 adopts a passive second-order filter circuit.

本实用新型第二实施例，一种机载光电设备，包括：电源滤波器和机载光电设备减重槽；The second embodiment of the utility model is an airborne optoelectronic device, comprising: a power filter and an airborne optoelectronic equipment weight reduction tank;

所述电源滤波器包括：滤波电路、屏蔽外壳、屏蔽后盖、屏蔽挡板、输入线槽、输出线槽、电源输入端口和电源输出端口；The power filter includes: a filter circuit, a shielding shell, a shielding back cover, a shielding baffle, an input wire slot, an output wire slot, a power input port, and a power output port;

所述屏蔽外壳和屏蔽后盖结合形成屏蔽盒；The shielding shell and the shielding back cover are combined to form a shielding box;

各个所述滤波电路放置于所述屏蔽盒内；Each of the filter circuits is placed in the shielding box;

所述屏蔽挡板设置于各个所述滤波电路之间，所述屏蔽挡板用于在各个所述滤波电路之间进行隔离屏蔽；The shielding baffle is arranged between each of the filter circuits, and the shielding baffle is used for isolation and shielding between each of the filter circuits;

具体的，所述屏蔽挡板上设置有穿线口，所述穿线口用于供各个所述滤波电路的输入线缆和输出线缆从所述穿线口中穿过；Specifically, a threading opening is provided on the shielding baffle, and the threading port is used for the input cables and output cables of each of the filter circuits to pass through the threading port;

所述电源输入端口和电源输出端口分别设置于所述屏蔽外壳的两端，所述输入线槽和输出线槽设置于所述屏蔽盒内，所述电源输入端口与输入线槽连接，所述电源输出端口与输出线槽连接；The power input port and the power output port are respectively arranged at both ends of the shielding shell, the input wire groove and the output wire groove are arranged in the shielding box, the power input port is connected with the input wire groove, and the The power output port is connected to the output wire slot;

所述输入线槽用于存放各个所述滤波电路的输入线缆，以使各个所述滤波电路的输入线缆与各个所述滤波电路隔离屏蔽；The input wire slot is used to store the input cables of each of the filter circuits, so that the input cables of each of the filter circuits are isolated and shielded from each of the filter circuits;

所述输出线槽用于存放各个所述滤波电路的输出线缆，以使各个所述滤波电路的输出线缆与各个所述滤波电路隔离屏蔽。The output wire groove is used to store the output cables of each of the filter circuits, so that the output cables of each of the filter circuits are isolated and shielded from each of the filter circuits.

所述电源滤波器的屏蔽外壳与机载光电设备减重槽共型设计，即所述电源滤波器的屏蔽外壳的形状与所述机载光电设备减重槽的形状相匹配，以便所述电源滤波器的屏蔽外壳嵌入所述机载光电设备的减重槽中；The shielding shell of the power filter is designed in the same shape as the weight-reducing groove of the on-board optoelectronic equipment, that is, the shape of the shielding shell of the power filter matches the shape of the weight-reducing groove of the on-board optoelectronic equipment, so that the power supply The shielding casing of the filter is embedded in the weight-reducing groove of the airborne optoelectronic equipment;

具体的，所述电源滤波器的屏蔽外壳的外表面的一部分与所述机载光电设备减重槽的槽面相接触，另一部分与所述机载光电设备减重槽的槽面形成一个密闭的空腔，所述密闭的空腔位于所述电源滤波器的电源输入端口处，所述密闭的空腔用于放置连接所述机载光电设备的电源输入端口与所述电源滤波器的电源输入端口的线缆；Specifically, a part of the outer surface of the shielding shell of the power filter is in contact with the groove surface of the weight-reducing groove of the on-board optoelectronic equipment, and the other part forms a closed gap with the groove surface of the weight-reducing groove of the on-board optoelectronic equipment. Cavity, the airtight cavity is located at the power input port of the power filter, and the airtight cavity is used to place and connect the power input port of the airborne photoelectric equipment and the power input of the power filter port cables;

进一步的，所属机载光电设备还包括：导电屏蔽胶条，所述导电屏蔽胶条设置于所述屏蔽外壳的边沿处；所述导电屏蔽胶条用于将所述机载光电设备减重槽的边沿与所述屏蔽外壳的边沿进行密封贴合。Further, the airborne optoelectronic equipment also includes: conductive shielding rubber strips, the conductive shielding rubber strips are arranged at the edge of the shielding shell; The edge of the shielding shell is sealingly fitted to the edge of the shielding shell.

如图4所示为未装配电源滤波器的机载光电设备，在图4中，标号10所指的为机载光电设备减重槽。As shown in Figure 4, the airborne optoelectronic equipment is not equipped with a power filter. In Figure 4, the number 10 refers to the weight reduction groove of the airborne optoelectronic equipment.

本实用新型实施例中介绍的电源滤波器和机载光电设备，在电源滤波器内设置屏蔽挡板，使得各个滤波电路彼此之间隔离屏蔽，有效隔离辐射和传导噪声；所述电源滤波器的外形与机载光电设备的外形采用共型设计，不占用机载光电设备的空间，结构简单，提升了电源滤波器的可靠性和适装性。通过电源滤波器的屏蔽外壳与机载光电设备减重槽的匹配设计，将连接机载光电设备的电源输入端口和电源滤波器的电源输入端口的线缆完全与机载光电设备的内部组件隔离，保证滤波效果。在维护过程中，直接拆卸电源滤波器的屏蔽后盖即可进行维修，无需从机载光电设备上拆除滤波器。In the power supply filter and airborne photoelectric equipment introduced in the embodiment of the utility model, a shielding baffle is set in the power supply filter, so that each filter circuit is isolated and shielded from each other, effectively isolating radiation and conduction noise; the power supply filter The shape and the shape of the airborne optoelectronic equipment adopt the same design, which does not occupy the space of the airborne optoelectronic equipment, and the structure is simple, which improves the reliability and adaptability of the power filter. Through the matching design of the shielding shell of the power filter and the weight-reducing groove of the airborne optoelectronic equipment, the cables connecting the power input port of the airborne optoelectronic equipment and the power input port of the power filter are completely isolated from the internal components of the airborne optoelectronic equipment , to ensure the filtering effect. During the maintenance process, the shielding rear cover of the power filter can be directly removed for maintenance, without removing the filter from the airborne optoelectronic equipment.

通过具体实施方式的说明，应当可对本实用新型为达成预定目的所采取的技术手段及功效得以更加深入且具体的了解，然而所附图示仅是提供参考与说明之用，并非用来对本实用新型加以限制。Through the description of the specific implementation, it should be possible to gain a deeper and more specific understanding of the technical means and effects of the utility model to achieve the intended purpose. new restrictions.

Claims (8)

1. a power-supply filter, it is characterised in that including: filter circuit, shielding shell, shielding bonnet and shielding baffle plate；
Described shielding shell and shielding bonnet combine and form shielding box；
Each described filter circuit is positioned in described shielding box；
Described shielding baffle plate is arranged between each described filter circuit, and described shielding baffle plate is at filter circuit each described Between carry out Isolated Shield.
Power-supply filter the most according to claim 1, it is characterised in that described shielding shell is to process through electric conductive oxidation The shielding shell crossed.
Power-supply filter the most according to claim 1, it is characterised in that be provided with threading opening on described shielding baffle plate, institute State threading opening for passing from described threading opening for the input cable of each described filter circuit and output cord.
Power-supply filter the most according to claim 1, it is characterised in that described power-supply filter, also includes: input line Groove, output wire casing, power input port and output port of power source；
Described power input port and output port of power source are respectively arranged at the two ends of described shielding shell, described input wire casing and Output wire casing be arranged in described shielding box, described power input port with input wire casing be connected, described output port of power source and Output wire casing connects；
Described input wire casing is for depositing the input cable of each described filter circuit, so that the input of each described filter circuit Cable and each described filter circuit Isolated Shield；
Described output wire casing is for depositing the output cord of each described filter circuit, so that the output of each described filter circuit Cable and each described filter circuit Isolated Shield.
5. according to the power-supply filter according to any one of Claims 1 to 4, it is characterised in that described filter circuit uses nothing Source second-order filter circuit.
6. an airborne opto-electronic device, it is characterised in that including: arbitrary in airborne opto-electronic device lightening grooves and Claims 1 to 5 Power-supply filter described in Xiang；
The shape of the shielding shell of described power-supply filter and the form fit of described airborne opto-electronic device lightening grooves so that described The shielding shell of power-supply filter embeds in described airborne opto-electronic device lightening grooves.
Airborne opto-electronic device the most according to claim 6, it is characterised in that the shielding shell of described power-supply filter embeds In described airborne opto-electronic device lightening grooves, including:
A part for the outer surface of the shielding shell of described power-supply filter and the groove face phase of described airborne opto-electronic device lightening grooves Contact, another part forms an airtight cavity, described airtight cavity with the groove face of described airborne opto-electronic device lightening grooves Being positioned at the power input port of described power-supply filter, described airtight cavity is used for placing the described airborne opto-electronic device of connection The cable of power input port of power input port and described power-supply filter.
Airborne opto-electronic device the most according to claim 6, it is characterised in that affiliated airborne opto-electronic device also includes: conduction Shielding adhesive tape, described conductive shield adhesive tape is arranged at the edge of described shielding shell.
CN201620611277.2U 2016-06-20 2016-06-20 A kind of power-supply filter and airborne opto-electronic device Active CN205792211U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105939100A (en) * 2016-06-20 2016-09-14 中国电子科技集团公司第十研究所 Power filter and onboard optoelectronic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105939100A (en) * 2016-06-20 2016-09-14 中国电子科技集团公司第十研究所 Power filter and onboard optoelectronic device

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