CN210142214U - L-shaped insulating gasket and electro-optic modulator insulating mounting structure - Google Patents
L-shaped insulating gasket and electro-optic modulator insulating mounting structure Download PDFInfo
- Publication number
- CN210142214U CN210142214U CN201920735280.9U CN201920735280U CN210142214U CN 210142214 U CN210142214 U CN 210142214U CN 201920735280 U CN201920735280 U CN 201920735280U CN 210142214 U CN210142214 U CN 210142214U
- Authority
- CN
- China
- Prior art keywords
- hole
- electro
- radio frequency
- insulating gasket
- shaped insulating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
The utility model provides an L-shaped insulating gasket and an insulating mounting structure of an electro-optic modulator, which comprises an L-shaped insulating gasket bottom surface and an L-shaped insulating gasket side surface; the side face of the insulating gasket is used for being attached to the side wall of the shell of the optical module and comprises a radio frequency port through hole and a PIN through hole; the radio frequency port through hole and the PIN through hole are respectively matched with the radio frequency hole and the PIN hole in the side wall of the shell; the bottom surface of the insulating gasket is used for being attached to the bottom surface of the shell of the optical module and comprises at least two mounting holes. The utility model discloses an insulating mounting structure of L type insulating pad piece, electro-optical modulator has realized the insulating installation of electro-optical modulator through the L type insulating pad piece of setting between optical module and electro-optical modulator, and it is convenient to install, and insulating properties is good.
Description
Technical Field
The utility model relates to an electrically insulating technical field especially relates to an insulating mounting structure of L type insulating pad piece, electro-optical modulator.
Background
Electro-optic modulators utilize certain electro-optic crystals, such as lithium niobate crystals (LiNbO)3) Gallium arsenide crystal (GaAs) and lithium tantalate crystal (LiTaO)3) The electro-optic effect of (2). The electro-optic effect, i.e., when a voltage is applied to the electro-optic crystal, the refractive index of the electro-optic crystal changes, resulting in a change in the characteristics of the light wave passing through the crystal, which effects modulation of the phase, amplitude, intensity, and polarization state of the optical signal.
Electro-optic modulators may be classified into intensity modulators and phase modulators according to the modulation parameters. The electro-optical modulator is not only widely used in classical optical fiber communication, but also plays a role as a key core device in quantum secret communication systems. Specifically, the amplitude and phase of the optical pulse can be adjusted by applying a pulse voltage to the electro-optical modulator.
In order to improve the stability of the pulse voltage, the electronics adopts a direct current coupling mode to realize the output of the pulse voltage. The electro-optical modulator is assembled in the optical module shell, the optical module is connected with the case GND, and the electro-optical modulator is connected with the SMA socket on the PCB through a coaxial cable. The tube shell of the SMA socket on the PCB board can be electrified, so that a certain voltage exists. The housing of the optical module is generally made of metal, such as aluminum alloy, and is a conductive material. If the electro-optic modulator is in direct contact with the housing of the optical module, a short circuit will occur, and the device will be easily burned out.
In order to avoid the above problems, it is necessary to mount the electro-optical modulator with insulation. In the prior art, the insulation mounting method of the electro-optical modulator mainly includes the following two types:
(1) the surface of the shell of the optical module is oxidized, and the formed oxide layer has certain insulating property.
However, there is a risk of achieving insulation by means of an oxidation treatment. If the oxide layer is scratched or damaged during operation, the surface of the housing of the optical module is no longer insulated, which may present a risk of short circuits.
(2) The optical module is made of an insulating material, such as acrylic. Acrylic is a plastic high polymer material, has better weather resistance and better insulating property. The electro-optical modulator is installed in the optical module casing of ya keli material, can be insulated with quick-witted case GND, has avoided the emergence of short circuit problem.
However, miniaturization is an important trend in communication equipment, which imposes demands on the volume of the optical modules within the equipment chassis. That is, the optical module needs to be made more compact and small. For processing acrylic materials, the difficulty in processing an optical module with a small shell and a thin wall is high, and the problem of fracture and breakage is easy to occur; meanwhile, when an environmental reliability test is performed, the mechanical strength of the optical module has certain risks. In addition, the acrylic material has high cost, which is not beneficial to the compression of the product cost.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcoming of the prior art, the utility model aims to provide an insulating mounting structure of L type insulating gasket, electro-optical modulator through the L type insulating gasket who sets up between optical module and electro-optical modulator, has realized the insulating installation of electro-optical modulator, and it is convenient to install, and insulating properties is good.
In order to achieve the above and other related objects, the present invention provides an L-shaped insulating gasket, comprising an L-shaped insulating gasket bottom surface and an L-shaped insulating gasket side surface; the side face of the insulating gasket is used for being attached to the side wall of the shell of the optical module and comprises a radio frequency port through hole and a PIN through hole; the radio frequency port through hole and the PIN through hole are respectively matched with the radio frequency hole and the PIN hole in the side wall of the shell; the bottom surface of the insulating gasket is used for being attached to the bottom surface of the shell of the optical module and comprises at least two mounting holes.
In an embodiment of the present invention, the rf opening through hole is a circular through hole, a U-shaped groove, a rectangular through hole or a square through hole.
In an embodiment of the present invention, the PIN through hole is a rectangular through hole.
In an embodiment of the present invention, the inner diameter of the rf opening through hole is larger than the outer diameter of the coaxial cable connector.
In an embodiment of the present invention, the outer diameter of the rf opening through hole is smaller than the inner diameter of the rf hole.
In an embodiment of the present invention, the at least two mounting holes correspond to the mounting holes on the electro-optical modulator and the mounting holes on the optical module.
In an embodiment of the present invention, the L-shaped insulating spacer is made of teflon.
The utility model provides an electro-optical modulator insulation mounting structure, which comprises the L-shaped insulation gasket, the electro-optical modulator and an optical module;
the L-shaped insulating gasket is fixed in the shell of the optical module, and the radio frequency port through hole and the PIN through hole of the L-shaped insulating gasket are respectively arranged opposite to the radio frequency hole and the PIN hole in the side wall of the shell of the optical module;
the electro-optical modulator is fixed on the L-shaped insulating gasket, a radio frequency port of the electro-optical modulator sequentially penetrates through the radio frequency port through hole and the radio frequency hole, and the PIN foot sequentially penetrates through the PIN foot through hole and the PIN foot hole.
As described above, the utility model discloses an insulating mounting structure of L type insulating pad piece, electro-optical modulator has following beneficial effect:
(1) the L-shaped insulating gasket arranged between the optical module and the electro-optical modulator realizes the insulating installation of the electro-optical modulator, and has convenient installation and good insulating property;
(2) the optical module shell does not need to be made of insulating materials or insulating treatment, and aluminum alloy materials with low cost and low processing difficulty can be used, so that the miniaturization of the optical module and the control of the product cost are facilitated.
Drawings
Fig. 1 is a schematic front view of an L-shaped insulating gasket according to an embodiment of the present invention;
fig. 2 is a schematic back view of an L-shaped insulating spacer according to an embodiment of the present invention;
FIG. 3 is a schematic view of an embodiment of an electro-optic modulator insulation mounting structure of the present invention;
FIG. 4 is a schematic diagram of the backside structure of FIG. 3;
fig. 5 is a flow chart illustrating an insulation mounting method for an electro-optic modulator according to an embodiment of the present invention.
Description of the element reference numerals
1L-shaped insulating gasket
11 bottom surface of insulating spacer
111 mounting hole
12 insulating spacer side
121 RF port via
122 PIN through hole
2 optical module
21 side wall of the housing
211 radio frequency aperture
212 PIN hole
22 bottom surface of the housing
3 electro-optic modulator
31 radio frequency port
32 PIN foot
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The utility model discloses an insulating mounting structure of L type insulating pad piece, electro-optical modulator has realized the insulating installation of electro-optical modulator through the L type insulating pad piece of setting between optical module and electro-optical modulator, need not to carry out any processing to current optical module's casing, and it is convenient to install, and insulating properties is good, satisfies the requirement of optical module miniaturization and product cost control.
As shown in fig. 1-4, in one embodiment, the L-shaped insulating gasket 1 of the present invention includes an L-shaped insulating gasket bottom surface 11 and an L-shaped insulating gasket side surface 12.
The side surface 12 of the insulating spacer is used for being attached to the side wall 21 of the housing of the optical module 2 and comprises a radio frequency port through hole 121 and a PIN through hole 122; the rf port through hole 121 and the PIN through hole 122 are respectively matched with the rf hole 211 and the PIN hole 212 on the side wall 21 of the housing. Specifically, the rf port through hole 121 and the PIN through hole 122 are respectively disposed opposite to the rf hole 211 and the PIN hole 212, and the rf port 31 and the PIN 32 of the power supply optical modulator 3 respectively pass through.
The bottom surface 11 of the insulating spacer is adapted to be attached to the bottom surface 22 of the housing of the optical module 2, and includes at least two mounting holes 111. Preferably, the mounting hole 111 is a circular through hole, and the corresponding mounting hole on the optical module 2 is a threaded hole for a screw to pass through to fix the L-shaped insulating gasket 1 and the optical module 2.
In an embodiment of the present invention, the rf opening 121 is a circular through hole, a U-shaped groove, a rectangular through hole or a square through hole, so as to match the corresponding rf opening 31 according to actual conditions. The PIN through hole 122 is a rectangular through hole. It should be noted that the shapes of the rf port through hole 121 and the PIN through hole 122 are not limited to the above design, and all shapes that can realize the function of the through hole are within the scope of the present invention.
The L-shaped insulating gasket 1 can be made of any insulating material, and only the characteristics of low processing difficulty and low material cost are needed. Preferably, the L-shaped insulating spacer 1 is made of teflon. Teflon has excellent insulating properties and is excellent in heat resistance, moisture resistance, abrasion resistance and corrosion resistance.
In an embodiment of the present invention, the L-shaped insulating spacer 1 is integrally formed.
As shown in fig. 3 and 4, the electro-optical modulator insulation mounting structure of the present invention includes the above-mentioned L-shaped insulation spacer 1, the electro-optical modulator 3, and the optical module 2.
The L-shaped insulating gasket 1 is fixed in the housing of the optical module 2, and the radio frequency opening through hole 121 and the PIN through hole 122 of the L-shaped insulating gasket 1 are respectively arranged opposite to the radio frequency hole 211 and the PIN hole 212 on the housing side wall 21 of the optical module 2.
The electro-optical modulator 3 is fixed on the L-shaped insulating spacer 1, the radio frequency port 31 of the electro-optical modulator 3 sequentially penetrates through the radio frequency port through hole 121 and the radio frequency hole 211, and the PIN 32 sequentially penetrates through the PIN through hole 122 and the PIN hole 212.
The following describes the mounting method of the insulating mounting structure of the electro-optic modulator of the present invention in detail.
As shown in fig. 5, in an embodiment, the method for mounting the insulation mounting structure of the electro-optical modulator of the present invention includes the following steps:
and step S1, attaching the side face of the L-shaped insulating gasket to the side wall of the shell of the optical module, and attaching the bottom face of the insulating gasket to the bottom face of the shell of the optical module.
Specifically, first, the L-shaped insulating spacer is positioned with respect to the housing of the optical module. The size and the shape of the L-shaped insulating gasket are matched with the shell of the optical module, so that the side face of the L-shaped insulating gasket is attached to the side wall of the shell of the optical module, and the bottom face of the L-shaped insulating gasket is attached to the bottom face of the shell of the optical module.
And step S2, the radio frequency port through hole and the PIN through hole on the side surface of the insulating gasket are respectively arranged opposite to the radio frequency hole and the PIN hole on the side wall of the shell.
Specifically, since the radio frequency port through hole and the PIN through hole on the side surface of the insulating gasket are arranged corresponding to the radio frequency hole and the PIN hole on the side wall of the housing when in design, the housing of the optical module and the L-shaped insulating gasket can be positioned by the opposite arrangement of the corresponding holes when in installation.
And S3, placing the electro-optical modulator on the L-shaped insulating gasket, enabling the radio frequency port of the electro-optical modulator to sequentially penetrate through the radio frequency port through hole and the radio frequency hole, and enabling the PIN to sequentially penetrate through the PIN through hole and the PIN hole.
Specifically, the electro-optical modulator is placed on the L-shaped insulating pad, so that the electro-optical modulator and the optical module are insulated from each other, and a short circuit is avoided. The radio frequency port of the electro-optical modulator sequentially penetrates through the radio frequency port through hole and the radio frequency hole to be connected with the coaxial cable connector; the PIN sequentially penetrates through the PIN through hole and the PIN hole to be connected with an electric lead, so that the normal realization of the function of the electro-optic modulator is ensured.
In an embodiment of the utility model, the internal diameter of radio frequency mouth through-hole is greater than coaxial cable connector external diameter, the external diameter of radio frequency mouth through-hole is less than the internal diameter in radio frequency hole to guaranteed that photoelectric modulator radio frequency mouth and coaxial cable can smoothly be connected.
And step S4, mounting insulation screws on at least two mounting holes so as to fix the electro-optical modulator and the L-shaped insulation gasket on the shell of the optical module.
Specifically, the electro-optical modulator and the L-shaped insulating spacer are fixed to the housing of the optical module by insulating screws, such as plastic screws, passing through the at least two mounting holes, thereby completing the insulating mounting and fixing of the electro-optical modulator. In an embodiment of the present invention, the at least two mounting holes correspond to the mounting holes on the electro-optical modulator and the mounting holes on the optical module, and the insulating screws sequentially pass through the electro-optical modulator, the L-shaped insulating spacer and the mounting holes on the optical module, thereby completing the insulating fixation between the electro-optical modulator, the L-shaped insulating spacer and the optical module.
To sum up, the L-shaped insulating spacer and the electro-optic modulator insulating mounting structure of the present invention realize the insulating mounting of the electro-optic modulator through the L-shaped insulating spacer arranged between the optical module and the electro-optic modulator, and have the advantages of convenient mounting and good insulating property; the optical module shell does not need to be made of insulating materials or insulating treatment, and aluminum alloy materials with low cost and low processing difficulty can be used, so that the miniaturization of the optical module and the control of the product cost are facilitated. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. An L-shaped insulating gasket is characterized by comprising an L-shaped insulating gasket bottom surface and an L-shaped insulating gasket side surface;
the side face of the insulating gasket is used for being attached to the side wall of the shell of the optical module and comprises a radio frequency port through hole and a PIN through hole; the radio frequency port through hole and the PIN through hole are respectively matched with the radio frequency hole and the PIN hole in the side wall of the shell;
the bottom surface of the insulating gasket is used for being attached to the bottom surface of the shell of the optical module and comprises at least two mounting holes.
2. An L-shaped insulating gasket as claimed in claim 1, wherein: the radio frequency port through hole is a circular through hole, a U-shaped groove, a rectangular through hole or a square through hole.
3. An L-shaped insulating gasket as claimed in claim 1, wherein: the PIN foot through hole is a rectangular through hole.
4. An L-shaped insulating gasket as claimed in claim 1, wherein: the inner diameter of the radio frequency port through hole is larger than the outer diameter of the coaxial cable connector.
5. An L-shaped insulating gasket as claimed in claim 1, wherein: the outer diameter of the radio frequency opening through hole is smaller than the inner diameter of the radio frequency hole.
6. An L-shaped insulating gasket as claimed in claim 1, wherein: the at least two mounting holes are arranged corresponding to the mounting holes on the electro-optical modulator and the mounting holes on the optical module.
7. An L-shaped insulating gasket as claimed in claim 1, wherein: the L-shaped insulating gasket is made of Teflon materials.
8. An electro-optic modulator insulation mounting structure, characterized by: comprising an electro-optic modulator, an optical module and an L-shaped insulating spacer as claimed in any one of claims 1 to 7;
the L-shaped insulating gasket is fixed in the shell of the optical module, and the radio frequency port through hole and the PIN through hole of the L-shaped insulating gasket are respectively arranged opposite to the radio frequency hole and the PIN hole in the side wall of the shell of the optical module;
the electro-optical modulator is fixed on the L-shaped insulating gasket, a radio frequency port of the electro-optical modulator sequentially penetrates through the radio frequency port through hole and the radio frequency hole, and the PIN foot sequentially penetrates through the PIN foot through hole and the PIN foot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735280.9U CN210142214U (en) | 2019-05-22 | 2019-05-22 | L-shaped insulating gasket and electro-optic modulator insulating mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920735280.9U CN210142214U (en) | 2019-05-22 | 2019-05-22 | L-shaped insulating gasket and electro-optic modulator insulating mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210142214U true CN210142214U (en) | 2020-03-13 |
Family
ID=69734232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920735280.9U Active CN210142214U (en) | 2019-05-22 | 2019-05-22 | L-shaped insulating gasket and electro-optic modulator insulating mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210142214U (en) |
-
2019
- 2019-05-22 CN CN201920735280.9U patent/CN210142214U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106997108B (en) | Optical module | |
| US9613552B2 (en) | Inspection instrument of liquid crystal display panel | |
| CN108040155A (en) | A kind of photosensitive components and mobile terminal | |
| WO2021208590A1 (en) | Display device | |
| CN210142214U (en) | L-shaped insulating gasket and electro-optic modulator insulating mounting structure | |
| CN202631911U (en) | Liquid crystal display | |
| CN108693665A (en) | Optical device | |
| CN111983757A (en) | L-shaped insulating gasket, electro-optical modulator insulating installation structure and installation method | |
| US10823907B2 (en) | Backlight module and display device | |
| CN209497524U (en) | Flame proof video camera | |
| CN109587931B (en) | Circuit board assembly, electronic equipment and test method of circuit board assembly | |
| JP2019101140A (en) | Optical modulator and optical transmission device using the same | |
| CN208540023U (en) | Camera module and car-mounted device | |
| CN208477157U (en) | HDMI connector device | |
| CN211789977U (en) | LN Q-switch of BNC interface | |
| CN203277605U (en) | A three-in-one attenuator | |
| CN211785701U (en) | Electronic electric energy meter for resisting electromagnetic interference | |
| CN201060337Y (en) | Electrooptical switch | |
| JP2000267759A (en) | Electronic equipment having power source connector at hinge part | |
| CN213520685U (en) | BBO Q-switched switch with electrode structure | |
| CN111487792A (en) | Fast polarization modulator based on nonlinear crystal | |
| CN112542692B (en) | Electronic device | |
| US10984750B1 (en) | Voltage output system and liquid crystal display device | |
| CN209586187U (en) | A kind of intercom | |
| CN218481673U (en) | Optical module with electromagnetic shielding structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |