WO2016091028A1

WO2016091028A1 - Optical module connecting device and optical module component

Info

Publication number: WO2016091028A1
Application number: PCT/CN2015/093231
Authority: WO
Inventors: 杨喆; 郭艳
Original assignee: 中兴通讯股份有限公司
Priority date: 2014-12-11
Filing date: 2015-10-29
Publication date: 2016-06-16
Also published as: CN105739030A; CN105739030B

Abstract

An optical module connecting device and an optical module component. The optical module connecting device comprises: a blocking mechanism (101), configured to block light emitted by a laser from a transmission port (1501) of an optical module (105), disposed on the transmission port (1501) of the optical module (105) and covering the transmission port (1501) of the optical module (105), and connected to a housing (103) by using a rotating connecting mechanism (102); the rotating connecting mechanism (102), configured to connect the blocking mechanism (101) to the optical module (105) and enable the blocking mechanism (101) to rotate from a first position to a second position around a joint between the blocking mechanism (101) and the optical module (105); the housing (103), provided with space configured to accommodate the optical module (105) and provided with an opening serving as the transmission port (1501) of the optical module (105) and a receiving port (1502) of the optical module (105); and a pull ring (104), disposed at an opening of the housing (103), located between the blocking mechanism (101) and the transmission port (1501) of the optical module (105), capable of rotating around a connection position of the pull ring (104) and the housing (103), and configured to fasten and loosen a connection between the housing (103) and the optical module (105). Damage to human eyes caused by the laser of the optical module can be avoided or reduced.

Description

Optical module connecting device and optical module assembly

Technical field

This document relates to, but is not limited to, sub-devices of light, and more particularly to an optical module connection device and an optical module assembly.

Background technique

As the access network's demand for service bandwidth grows rapidly, optical nodes move down gradually, Fiber To The Premise, Fiber To The Building, Fiber to Office (FTTO: Fiber) To The Office and Fiber to The Home (FTTH) are becoming more and more popular, and with the use of optical modules, the optical module technology will enter every household in the near future. .

Although the light emitted by the light module does not cause any harm to the human skin, the light module will cause certain damage to the human eye. In the process of replacing the optical module, the light emitted by the optical module will not be directly exposed to the human eye. The improvement of people's health awareness requires a device to prevent the light module from shining directly into the human eye. Currently, some optical modules have the function of automatically switching off. When the optical module receives light, the laser of the optical module will be turned on. However, when the optical module laser light is ineffective, some optical module lasers will emit light at a certain frequency, and physical damage to the eyes cannot be completely avoided.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the invention provides a light module connecting device, comprising a shielding mechanism, a rotating connecting mechanism, a casing and a pull ring; wherein:

The shielding mechanism is configured to block the light emitted by the laser from the transmitting port of the optical module, and is disposed at the transmitting port of the optical module and covering the transmitting port of the optical module, and is connected to the optical module through the rotating connection mechanism;

a rotating connection mechanism configured to connect the shielding mechanism and the optical module, and to enable the shielding mechanism to surround Rotating the connection between the shielding mechanism and the optical module from the first position to the second position;

The outer casing is disposed to have a space for accommodating the optical module, and has an opening as a transmitting port of the optical module and a receiving port of the optical module;

The pull ring is disposed at a sending port of the optical module, and is located between the blocking mechanism and the optical module sending port, and is rotatable around a connection position of the pull ring and the optical module; and is configured to fix and separate the connection with the optical module;

The first position is one of a position where the blocking mechanism closes the transmitting port of the optical module and a position where the shielding mechanism and the transmitting port of the optical module are not closed; the second position is a blocking mechanism closing the cover The position of the transmitting port of the optical module and the other of the positions where the blocking mechanism and the transmitting port of the optical module are not closed.

Optionally, the rotating connection mechanism comprises a connecting rod and a torsion spring;

a connecting rod is disposed at an edge of the transmitting port of the optical module, and is connected to the outer casing in a relatively fixed manner; the connecting rod also passes through the central shaft of the spring body of the torsion spring, and is configured with the shielding mechanism Connected in a relatively rotating manner;

The torsion spring is disposed at one end and is fixedly connected to the outer casing, and the other end is fixedly connected to the shielding mechanism; in a state where the torsion spring is in an initial position, the shielding mechanism blocks the optical module sending port.

Optionally, the rotating connection mechanism comprises a connecting rod and a tension spring;

a connecting rod is disposed at an edge of the transmitting port of the optical module, and is connected to the outer casing in a relatively fixed manner; the connecting rod and the shielding mechanism are connected in a relatively rotatable manner;

a tensioning spring is disposed at one end fixedly connected to the outer casing, and the other end is fixedly connected to the shielding mechanism; the tension spring is contracted between the shielding mechanism and the optical module sending port, so that the shielding mechanism The optical module sending port is blocked.

Optionally, the shielding mechanism is in the form of a square sheet; or the shape of the shielding mechanism is a shape that matches the shape of the pull ring.

Optionally, the shutter mechanism and the pull ring are connected to the outer casing at the same edge of the outer casing opening.

Optionally, in the closed state of the shielding mechanism, the optical module sending port is completely blocked by the shielding mechanism.

Optionally, the surface of the shielding mechanism facing the laser of the optical module is a total reflection surface; or the material of the shielding mechanism is an opaque material.

Optionally, an edge of the shielding mechanism connected to the outer casing is provided with a protrusion having a circular hole, and the connecting rod passes through the circular hole to generate a relative rotational connection with the shielding mechanism.

Optionally, the device further includes a fixing mechanism disposed on the outer edge of the transmitting port and the receiving port of the optical module, and fixedly connected to the optical module; and is disposed to fix the connecting rod of the rotating connecting mechanism.

An embodiment of the present invention further provides an optical module assembly, including the optical module and the optical module connecting device.

It can be seen from the above that the optical module connecting device and the optical module provided by the embodiments of the present invention can not only physically avoid the light emitted by the laser directly from the human eye, but also have a good light blocking effect and avoid the optical module laser pair. The optical module connecting device and the optical module assembly provided by the embodiments of the present invention can prevent certain dust from entering the laser module transmitting interface of the optical module and prolong the service life of the optical module. The innovative manufacturing process is simple, the cost is low, and any optical module is suitable.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

BRIEF abstract

1 is a schematic structural diagram of an optical module connecting device according to an embodiment of the present invention;

Figure 2 is a view in the direction of A in Figure 1;

3 is a schematic diagram of a shielding mechanism according to an embodiment of the present invention;

4 is a schematic diagram of an optical module assembly in a state of use according to an embodiment of the present invention;

FIG. 5 is a schematic diagram showing the connection of a rotating connection mechanism and a shielding mechanism according to another embodiment of the present invention.

Embodiments of the invention

In order to give an effective implementation, the present invention provides the following embodiments, the following description The drawings illustrate embodiments of the invention.

The embodiment of the present invention firstly provides an optical module connecting device, as shown in FIG. 1 , including a shielding mechanism 101 , a rotating connection mechanism 102 , a housing 103 , and a pull ring 104 ;

The blocking mechanism 101 is configured to block the light emitted by the laser from the transmitting port of the optical module 105, and is disposed at the transmitting port of the optical module 105 and covers the transmitting port of the optical module 105. The rotating connecting mechanism 102 and the optical module 105 are connection;

Rotating connection mechanism 102: configured to connect the shielding mechanism 101 and the optical module, and enable the shielding mechanism 101 to rotate from the first position to the second position around the connection between the shielding mechanism 102 and the optical module 105;

The outer casing is disposed to have a space for accommodating the optical module 105, and has an opening as a transmitting port of the optical module and a receiving port of the optical module;

The pull ring 104 is disposed at a sending port of the optical module 105, and is located between the blocking mechanism 101 and the optical module sending port; is rotatable around a connecting position of the pull ring and the optical module 105; is set to be fixed and separated a connection with the optical module;

The first position is one of a position where the blocking mechanism 101 closes the transmitting port of the optical module and a position where the shielding mechanism 101 and the transmitting port of the optical module are not closed; the second position is that the shielding mechanism 101 is closed. Covering the position of the transmitting port of the optical module and the other of the positions where the blocking mechanism 101 and the transmitting port of the optical module are not closed.

The rotary joint mechanism 102 is blocked by the tab 104. Since the optical module 105 is blocked by the outer casing 103, the portion of the optical module 105 inside the outer casing in Fig. 1 is indicated by a broken line.

It can be seen from the above that the optical module connection device provided by the embodiment of the present invention can be applied to a plurality of optical modules, and has a housing for accommodating the optical module, and an occlusion is provided at the transmitting port of the optical module on the housing. The mechanism, so that the connecting device can physically block the light emitted by the laser of the optical module through the transmitting port of the optical module, and the optical module connecting device can also prevent dust from entering from the transmitting port of the optical module, thereby prolonging the service life of the optical module. .

In an embodiment of the invention, when the blocking mechanism is in a closed state, the transmitting port of the optical module is completely blocked by the blocking mechanism.

In a general case, if the transmitting port of the optical module is partially blocked by the blocking mechanism, When the blocking mechanism is in the closed state, the transmitting port of the optical module is not completely covered, and the light emitted by the laser through the optical module transmitting port on the outer casing can also be partially blocked, and can also play a certain role of human eye protection. However, in order to protect the human eye from laser irradiation, the shielding mechanism completely covers the transmitting port of the optical module in a closed state. As shown in FIG. 2, the shielding mechanism 101 completely covers the optical module transmitting port 1051, and The optical module transmitting port 1051 blocks the tab 104, and the light incident port 1052 on the left side of FIG. 2 does not need to be blocked in the embodiment of the present invention.

In some embodiments of the invention, the rotary joint mechanism includes a connecting rod and a torsion spring; wherein:

a connecting rod: disposed at an edge of the transmitting port of the optical module, and connected to the outer casing in a relatively fixed manner; the connecting rod also passes through a central shaft of the spring body of the torsion spring, and is coupled to the shielding mechanism Connected in a relatively rotating manner;

The torsion spring has one end fixedly connected to the outer casing and the other end fixedly connected to the shielding mechanism; and the blocking mechanism blocks the transmission port of the optical module in a state where the torsion spring is in an initial position.

In an embodiment of the invention, the rotary joint mechanism includes a connecting rod and a tension spring; wherein:

a connecting rod: disposed at an edge of the transmitting port of the optical module, and connected to the outer casing in a relatively fixed manner; the connecting rod and the shielding mechanism are connected in a relatively rotatable manner;

a tension spring: one end is fixedly connected to the outer casing, and the other end is fixedly connected to the shielding mechanism; the tension spring is contracted between the shielding mechanism and the optical module sending port, so that the shielding mechanism blocks the The sending port of the optical module. In the above embodiment of the present invention, a spring is used instead of the torsion spring. When the shielding mechanism does not completely block the transmitting port of the optical module, the tension spring stretches the shielding mechanism toward the transmitting port of the optical module.

In the embodiment, the outer casing and the pull ring may have different shapes, and the connection position and the fixing manner of the connecting rod and the outer casing may be adjusted according to actual conditions of the outer casing. Still referring to FIG. 1 , the transmitting port edge 1031 of the optical module is a non-smooth edge, and a pull ring 104 having a certain thickness exists between the blocking mechanism 101 and the transmitting port of the optical module, and the connecting rod of the rotating connecting mechanism 102 can be fixedly connected to the outer casing 103. The edge of the side 105, as illustrated in Figure 1, is the side edge of the outer casing 103 that is parallel and close to the axis of rotation of the tab 104. The shutter mechanism 101 should have an adapted connection structure at its edge that is connected to the outer casing 103. Therefore, in some embodiments of the invention, as shown in FIG. An edge of the shielding mechanism 101 connected to the outer casing is provided with a protrusion 1011 having a circular hole 1012, and the connecting rod passes through the circular hole 1012 to generate a relative rotational connection with the shielding mechanism 101, in all the drawings. The proportion of each part is set to make the structure more clear, not the proportion of the real thing.

In some embodiments of the present invention, the shielding mechanism is mainly in the form of a square sheet; or the shape of the shielding mechanism is a shape in which the shape of the tab is matched. In the actual application, the shape of the opening of the pull ring and the optical module of the optical module may be different. Therefore, for the convenience of manufacture, the shielding mechanism adopts a substantially sheet shape at the connection between the shielding mechanism and the outer casing. A protrusion with a circular hole may be provided, as shown in FIG. 4, so that the shielding mechanism is connected with the outer casing and the connecting rod; at the joint of the shielding mechanism and the outer casing, other convenient shielding mechanisms and connections may also be appropriately arranged. The shape of the rod and the outer casing. The outer casing is omitted in FIG.

In an embodiment of the present invention, still referring to FIG. 4 or FIG. 1 , the rotating connection mechanism may be connected and fixed by a separately provided fixing mechanism 401 , and the fixing mechanism 401 is fixedly connected to the optical module of the optical module connecting device. It is installed on the periphery of the transmitting port and receiving port of the optical module. In other embodiments of the invention, the securing mechanism may also be part of the optical module of the optical module connection device.

When the fixing mechanism 401 is separately provided, the connection diagram of the rotary connecting device 102 and the fixing mechanism 401 is as shown in FIG. 5. Both ends of the connecting rod 1021 are connected to the fixing mechanism 401, and the connecting rod 1021 and the fixing mechanism 401 constitute a closed rectangle. One end of the torsion spring 1022 is connected to the shielding mechanism 101, and the other end is connected to the outer casing of the optical module connecting device.

In some embodiments of the invention, the shutter mechanism and the tab are connected to the housing at the same edge of the housing opening. At the same time, the blocking mechanism completely covers the transmitting port of the optical module.

In some embodiments of the present invention, the surface of the shielding mechanism facing the laser side of the optical module is a total reflection surface; or the shielding mechanism is made of an opaque material.

An embodiment of the present invention provides an optical module assembly, including an optical module, and an optical module connection device provided by any one of the embodiments of the present invention.

4 is a schematic diagram of an optical module assembly according to an embodiment of the present invention. In the embodiment shown in FIG. 4, the pull ring 104 is rotated by a finger, and the finger passes through the pull ring 104, and the shielding mechanism 101 and the pull ring 104 are divided. It has good ease of use.

It can be seen from the above that the optical module connecting device and the optical module provided by the embodiments of the present invention can not only physically avoid the light emitted by the laser directly from the human eye, but also have a good light blocking effect and avoid the optical module laser pair. The human eye causes potential damage. At the same time, the optical module connecting device and the optical module assembly provided by the embodiments of the present invention can prevent certain dust from entering the optical module laser transmitting interface and prolong the service life of the optical module. The innovative manufacturing process is simple, the cost is low, and any optical module is suitable.

The above is a further detailed description of the present invention in connection with the specific embodiments, and the specific embodiments of the present invention are not limited to the description.

Industrial applicability

The above technical solution can physically avoid the light emitted by the laser directly to the human eye, has a good light shielding effect, and avoids the potential damage of the optical module laser to the human eye. Meanwhile, the optical module connecting device and the light provided by the embodiments of the present invention The module assembly also prevents certain dust from entering the optical module's laser transmission interface, extending the life of the optical module. The innovative manufacturing process is simple, the cost is low, and any optical module is suitable.

Claims

An optical module connecting device comprises a shielding mechanism, a rotating connecting mechanism, a casing and a pull ring; wherein:

The shielding mechanism is configured to block the light emitted by the laser from the transmitting port of the optical module, and is disposed at the transmitting port of the optical module and covering the transmitting port of the optical module, and is connected to the optical module through the rotating connection mechanism;

a rotating connection mechanism, configured to connect the shielding mechanism and the optical module, and enable the shielding mechanism to rotate from the first position to the second position around the connection between the shielding mechanism and the optical module;

The outer casing is disposed to have a space for accommodating the optical module, and has an opening as a transmitting port of the optical module and a receiving port of the optical module;

The pull ring is disposed at a sending port of the optical module, and is located between the blocking mechanism and the optical module sending port, and is rotatable around a connection position of the pull ring and the optical module; and is configured to fix and separate the connection with the optical module;

The first position is one of a position where the blocking mechanism closes the transmitting port of the optical module and a position where the shielding mechanism and the transmitting port of the optical module are not closed; the second position is a blocking mechanism closing the cover The position of the transmitting port of the optical module and the other of the positions where the blocking mechanism and the transmitting port of the optical module are not closed.
The device according to claim 1, wherein said rotary joint mechanism comprises a connecting rod and a torsion spring;

a connecting rod is disposed at an edge of the transmitting port of the optical module, and is connected to the outer casing in a relatively fixed manner; the connecting rod also passes through the central shaft of the spring body of the torsion spring, and is configured with the shielding mechanism Connected in a relatively rotating manner;

The torsion spring is disposed at one end and is fixedly connected to the outer casing, and the other end is fixedly connected to the shielding mechanism; in a state where the torsion spring is in an initial position, the shielding mechanism blocks the optical module sending port.
The device according to claim 1, wherein said rotary joint mechanism comprises a connecting rod and a tension spring;

a connecting rod is disposed at an edge of the transmitting port of the optical module, and is connected to the outer casing in a relatively fixed manner; the connecting rod and the shielding mechanism are connected in a relatively rotatable manner;

a tensioning spring is disposed at one end fixedly connected to the outer casing, and the other end is fixedly connected to the shielding mechanism; the tension spring is contracted between the shielding mechanism and the optical module sending port, so that the shielding mechanism The optical module sending port is blocked.
The device according to claim 1, wherein the shutter mechanism is in the form of a square sheet; or the shape of the shutter mechanism is a shape that matches the shape of the tab.
The device of claim 4 wherein said shutter mechanism and said tab are coupled to said outer casing at the same edge of said housing opening.
The device according to claim 1, wherein the optical module transmitting port is completely blocked by the blocking mechanism when the blocking mechanism is in a closed state.
The device according to any one of claims 1 to 6, wherein the face of the shielding mechanism toward the laser side of the optical module is a total reflection surface; or the material of the shielding mechanism is an opaque material.
The device according to claim 2 or 3, wherein an edge of the shielding mechanism connected to the outer casing is provided with a protrusion having a circular hole through which the connecting rod is opposed to the shielding mechanism Rotate the connection.
The device according to claim 2 or 3, further comprising a fixing mechanism disposed at an outer edge of the transmitting port and the receiving port of the optical module, and fixedly connected to the optical module; and a connecting rod fixed to fix the rotating connecting mechanism .
An optical module assembly comprising an optical module and the optical module connection device according to any one of claims 1-8.