Anti-interference infrared receiving device

Abstract

The utility model discloses an anti-interference infrared receiving device, which relates to the technical field of infrared receiving devices, and aims to solve the problems that the conventional infrared receiving device is lack of an anti-interference structure and the overall anti-interference performance is effectively improved. A receiving hole is formed in the side surface of the metal shell, the receiving end of the infrared receiving module corresponds to the position of the receiving hole, a metal cover is fixedly connected to the position of the receiving hole in the side surface of the metal shell, a metal rear cover is installed at the rear end of the metal shell in a covering and buckling mode, and a support is fixedly connected to the lower surface of the metal shell. Two mounting holes are formed in the lower surface of the support, damping telescopic rods are mounted in the two mounting holes, and the telescopic ends of the damping telescopic rods are fixedly connected with a supporting plate. And the effects of effective electromagnetic anti-interference and vibration filtering operation and high working stability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of infrared receiving devices, and in particular to an anti-interference infrared receiving device. Background Art

[0002] An infrared receiver is a device that can receive infrared signals and independently complete the process from infrared reception to output of a signal compatible with TTL electrical frequency. It is widely used in various contemporary detection devices and is one of the basic structures for the stable operation of detection devices.

[0003] The existing infrared receiving devices lack anti-interference structures, and the overall anti-interference performance is effectively improved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an anti-interference infrared receiving device that can perform effective electromagnetic anti-interference and vibration filtering operations, and has high working stability.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] An anti-interference infrared receiving device includes a metal housing. An infrared receiving module is installed inside the metal housing. A receiving hole is provided on the side surface of the metal housing, and the receiving end of the infrared receiving module corresponds to the position of the receiving hole. A metal cover is fixedly connected to the receiving hole on the side surface of the metal housing, and a metal rear cover is installed by buckling at the rear end of the metal housing.

[0007] By adopting the above technical solution, external electromagnetic interference can be effectively shielded, and the working stability of the device can be improved.

[0008] Further, a bracket is fixedly connected to the lower surface of the metal housing. Two mounting holes are provided on the lower surface of the bracket, and damping telescopic rods are installed inside both mounting holes. The telescopic end of the damping telescopic rod is fixedly connected to a support plate, and a spring is sleeved outside the damping telescopic rod. The two ends of the spring respectively abut against the outer surfaces of the support plate and the bracket.

[0009] By adopting the above technical solution, effective shock absorption operations can be performed, and the anti-interference performance can be improved.

[0010] Further, four mounting frames are fixedly connected to the inner end surface of the metal housing, and the cross-sections of the four mounting frames are L-shaped.

[0011] By adopting the above technical solution, it is convenient to install the infrared receiving module subsequently.

[0012] Further, the infrared receiving module is clamped between the four mounting frames.

[0013] By adopting the above technical solution, effective support can be provided for the infrared receiving module.

[0014] Further, a pressing frame is sleeved outside the mounting bracket, a rubber ring is installed between the pressing frame and the infrared receiving module, a connecting block is fixedly connected to the inner end face of the metal shell, and a threaded hole is provided on the end face of the connecting block. Mounting holes are provided on the outer surface of the pressing frame, and the mounting holes correspond to the connecting blocks on the metal shell.

[0015] By adopting the above technical solution, the position stability of the infrared receiving module can be improved by using the pressing frame.

[0016] Further, a mounting groove is provided on the lower surface of the metal shell, and a connecting terminal is snap-mounted inside the mounting groove. The connecting terminal is electrically connected to the infrared receiving module.

[0017] By adopting the above technical solution, it is convenient to connect the electrical connection wires.

[0018] In summary, the beneficial technical effects of the present utility model are as follows:

[0019] 1. The present utility model can use the metal shell and the metal rear cover to wrap the infrared receiving module, thereby effectively shielding external electromagnetic interference. At the same time, the metal cover provided at the receiving end of the infrared receiving module can effectively shield the influence of surrounding miscellaneous light on the infrared receiving module, and can further improve the anti-interference performance of the device;

[0020] 2. The present utility model can use the mutual cooperation of the damping telescopic rod and the spring to enable the device to have a shock-absorbing structure. During subsequent use, the vibration transmitted by the surrounding structure can be effectively filtered, thereby improving the working stability of the device and further improving the anti-interference performance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a first perspective view of the three-dimensional structure of the present utility model;

[0022] Figure 2 is a second perspective view of the three-dimensional structure of the present utility model.

[0023] In the figure: 1, metal shell; 2, metal cover; 3, infrared receiving module; 4, bracket; 5, damping telescopic rod; 6, spring; 7, support plate; 8, rubber ring; 9, pressing frame; 10, metal rear cover; 11, mounting bracket; 12, connecting terminal. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further details the method of the present utility model with reference to the accompanying drawings.

[0025] Refer toFigure 1 , Figure 2 , an anti-interference infrared receiving device, comprising a metal housing 1. An infrared receiving module 3 is installed inside the metal housing 1. A receiving hole is provided on the side surface of the metal housing 1. The receiving end of the infrared receiving module 3 corresponds to the position of the receiving hole. A metal cover 2 is fixedly connected to the receiving hole on the side surface of the metal housing 1. A metal rear cover 10 is installed by buckling at the rear end of the metal housing 1. Four mounting brackets 11 are fixedly connected to the inner end surface of the metal housing 1. The cross-section of the four mounting brackets 11 is L-shaped. The infrared receiving module 3 is clamped between the four mounting brackets 11. A pressing frame 9 is sleeved outside the mounting bracket 11. A rubber ring 8 is installed between the pressing frame 9 and the infrared receiving module 3. A connecting block is fixedly connected to the inner end surface of the metal housing 1, and a threaded hole is provided on the end surface of the connecting block. An installation hole is provided on the outer surface of the pressing frame 9, and the installation hole corresponds to the connecting block on the metal housing 1. The metal housing 1 and the metal rear cover 10 can be used to wrap the infrared receiving module 3, thereby effectively shielding external electromagnetic interference. At the same time, the metal cover 2 provided at the receiving end of the infrared receiving module 3 can effectively shield the influence of surrounding miscellaneous light on the infrared receiving module, and can further improve the anti-interference performance of the device.

[0026] Referring to Figure 1 , a support 4 is fixedly connected to the lower surface of the metal housing 1. Two installation holes are provided on the lower surface of the support 4, and damping telescopic rods 5 are installed inside both of the two installation holes. The telescopic end of the damping telescopic rod 5 is fixedly connected to a support plate 7. A spring 6 is sleeved outside the damping telescopic rod 5. Both ends of the spring 6 respectively abut against the outer surfaces of the support plate 7 and the support 4. The damping telescopic rod 5 and the spring 6 can be used in cooperation to enable the device to have a shock-absorbing structure. During subsequent use, it can effectively filter the vibration transmitted by the surrounding structure, thereby improving the working stability of the device and further improving the anti-interference performance of the device.

[0027] Referring to Figure 2 , an installation groove is provided on the lower surface of the metal housing 1, and a connection terminal 12 is installed by buckling inside the installation groove. The connection terminal 12 is electrically connected to the infrared receiving module 3. The external system can be conveniently electrically connected.

[0028] Working principle: When in use, first install the device at the designated position, and then make an electrical connection with the external system through the connection terminal 12. After installation, it can be used normally. The external infrared light passes through the metal cover 2 and is received by the infrared receiving module 3. During the working process, the metal housing 1 and the metal rear cover 10 can be used to wrap the infrared receiving module 3, thereby effectively shielding external electromagnetic interference. At the same time, the metal cover 2 arranged at the receiving end of the infrared receiving module 3 can effectively shield the influence of surrounding miscellaneous light on the infrared receiving module. At the same time, the damping telescopic rod 5 and the spring 6 can be used in cooperation to enable the device to have a shock-absorbing structure, which can effectively filter the vibration transmitted by the surrounding structure, thereby improving the working stability of the device.

[0029] The real-time examples of this specific real-time method are all the preferred real-time examples of the present invention, and do not limit the protection scope of the present invention accordingly. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. An anti-interference infrared receiving device, comprising a metal housing (1), characterized in that: An infrared receiving module (3) is installed inside the metal housing (1). A receiving hole is provided on the side surface of the metal housing (1). The receiving end of the infrared receiving module (3) corresponds to the position of the receiving hole. A metal cover (2) is fixedly connected to the receiving hole on the side surface of the metal housing (1). A metal rear cover (10) is installed by covering and buckling at the rear end of the metal housing (1).

2. The anti-interference infrared receiving device according to claim 1, wherein: A bracket (4) is fixedly connected to the lower surface of the metal housing (1). Two mounting holes are provided on the lower surface of the bracket (4), and damping telescopic rods (5) are installed inside both of the two mounting holes. The telescopic end of the damping telescopic rod (5) is fixedly connected to a support plate (7). A spring (6) is sleeved outside the damping telescopic rod (5). Two ends of the spring (6) respectively abut against the outer surfaces of the support plate (7) and the bracket (4).

3. The anti-interference infrared receiving device according to claim 1, characterized in that: Four mounting brackets (11) are fixedly connected to the inner end face of the metal housing (1). The cross-sections of the four mounting brackets (11) are L-shaped.

4. The anti-interference infrared receiving device according to claim 3, wherein: The infrared receiving module (3) is clamped between the four mounting brackets (11).

5. An anti-interference infrared receiving device according to claim 4, characterized in that: A pressing frame (9) is sleeved outside the mounting bracket (11). A rubber ring (8) is installed between the pressing frame (9) and the infrared receiving module (3). A connecting block is fixedly connected to the inner end face of the metal housing (1), and a threaded hole is provided on the end face of the connecting block. A mounting hole is provided on the outer surface of the pressing frame (9), and the mounting hole corresponds to the connecting block on the metal housing (1).

6. The anti-interference infrared receiving device according to claim 1, wherein: A mounting groove is provided on the lower surface of the metal housing (1), and a connecting terminal (12) is installed by buckling inside the mounting groove. The connecting terminal (12) is electrically connected to the infrared receiving module (3).

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