CN216905021U

CN216905021U - Double-lens module

Info

Publication number: CN216905021U
Application number: CN202123432075.1U
Authority: CN
Inventors: 金森
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Dahua Technology Co Ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-05
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of video monitoring and discloses a double-lens module, which comprises a mounting plate, a bracket, a special-shaped FPC (flexible printed circuit) wire, a main control board and two monitoring lenses, wherein the mounting plate is arranged on the bracket; the mounting plate is arranged on the support, a positioning column is arranged on the support, and a positioning hole is formed in the mounting plate; the mounting panel includes two sensor circuit boards, and monitoring camera installs in the sensor circuit board to it is accurate to ensure two monitoring camera's relative position. The special-shaped FPC wire comprises a first part and a second part, and the first part is connected with the second part through a connecting part; the first end of the first part is used for being connected with a socket of the sensor circuit board, and the second end of the first part is used for being connected with a socket of the main control board; the first end of the second part is used for being connected with a socket of another sensor circuit board, and the second end of the first part is used for being connected with another socket of the main control board, so that the first part and the second part can be distinguished obviously, and confusion is avoided when two monitoring lenses are connected.

Description

Double-lens module

Technical Field

The utility model relates to the technical field of video monitoring, in particular to a double-lens module.

Background

At present, video monitoring equipment is widely applied in daily life, but with continuous upgrading of a use scene, the range of a view field which can be seen by a single lens is limited, and in order to meet the requirement of wider monitoring range, the view fields of two lenses need to be spliced so as to enlarge the view field.

In the prior art, a sensor Circuit board and two lenses are usually fixed and focused, then the two lenses are respectively connected with a bracket through devices such as screws, and then two Flexible Printed Circuit (FPC) cables are respectively connected with the sensor Circuit board and a main control board, that is, each FPC cable corresponds to one lens.

However, when the lenses are assembled in the prior art, because each lens is connected to the bracket, the relative position of the two lenses is not accurate, which results in poor image splicing effect; in addition, each lens corresponds to one FPC flat cable, so that the problem that two lenses are connected with the two FPC flat cables in a disordered manner easily occurs during assembly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a double-lens module, which can prevent the situation of confusion when two monitoring lenses are connected in a circuit while ensuring the effect of splicing images of the two monitoring lenses, and effectively improves the assembly efficiency and the working efficiency of the double-lens module.

In order to achieve the purpose, the utility model provides the following technical scheme:

a double-lens module comprises a mounting plate, a bracket, a special-shaped FPC (flexible printed circuit) wire, a main control board and two monitoring lenses; the mounting plate is mounted on the support, a plurality of positioning columns are arranged on the support, a plurality of positioning holes are formed in the mounting plate, and the positioning columns are matched with the positioning holes in a one-to-one correspondence mode; the mounting plate comprises two sensor circuit boards which are symmetrically arranged, the monitoring lenses are mounted on the sensor circuit boards, and the two monitoring lenses and the two sensor circuit boards are arranged in a one-to-one correspondence manner; in each group of sensor circuit board and monitoring lens that correspond to each other: the monitoring lens and the sensor circuit board are relatively fixed in position; the special-shaped FPC wire comprises a first part and a second part, and the first part is connected with the second part through a connecting part; the first end of the first part is used for being connected with a socket of the sensor circuit board, and the second end of the first part is used for being connected with a socket of the main control board; the first end of the second part is used for being connected with a socket of another sensor circuit board, and the second end of the second part is used for being connected with another socket of the main control board.

When the double-lens module is assembled, the two monitoring lenses are respectively arranged on the two sensor circuit boards, the positions of the monitoring lenses and the sensor circuit boards are relatively fixed, and the mounting plate is connected with the support through the matching of the positioning columns and the positioning holes; therefore, the relative position of the two monitoring lenses finally fixed on the bracket can be ensured to be accurate, and the display effect of the spliced image of the two monitoring lenses is ensured. In addition, because heterotypic FPC solenoid includes first portion and second portion, and first portion and second portion set up with two surveillance lens one-to-one respectively, and the connecting portion between first portion and the second portion in addition, consequently can obviously distinguish first portion and second portion to avoid appearing chaotic problem when two surveillance lens carry out circuit connection.

Therefore, the arrangement mode can ensure the effect of splicing images of the two monitoring lenses, can also prevent the occurrence of disordered conditions when the two monitoring lenses are in circuit connection, and effectively improves the assembly efficiency and the working efficiency of the double-lens module.

Optionally, the first end of the first portion is bent towards a side far away from the second portion, and the first end of the second portion is bent towards a side far away from the first portion.

Optionally, the connection between the connection portion and the first portion and the connection between the connection portion and the second portion have circular arc transitions.

Optionally, the socket of each sensor circuit board is a bidirectional contact socket; each socket of the main control board is also a bidirectional contact socket.

Optionally, the dual-lens module further comprises a fan; the fan is connected with one side of the bracket, which is far away from the mounting plate; the support has two vents, and two vents and two sensor circuit boards one-to-one set up.

Optionally, the dual-lens module further comprises a housing; the support is fixedly connected with the shell, and the shell is used for accommodating the two monitoring lenses.

Optionally, the dual-lens module further includes two glasses, and the housing has two openings; the two openings, the two pieces of glass and the two monitoring lenses are arranged in a one-to-one correspondence manner; in each set of mutually corresponding openings, glass and monitoring lenses: the glass covers the opening, and the orthographic projection of the glass on the shell covers the orthographic projection of the monitoring lens on the shell.

Optionally, the bracket further has two symmetrically arranged wind-blocking ribs; the two wind-shielding ribs are used for being matched with the shell to form a guide air duct of the fan.

Optionally, each sensor circuit board is mounted to the bracket by screws.

Alternatively, the fan is mounted to the bracket by screws, and the bracket is mounted to the housing by screws.

Drawings

Fig. 1 is a schematic partial structural diagram of a dual-lens module according to an embodiment of the present invention;

fig. 2 is an exploded view of a dual lens module according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a special-shaped FPC cable in a dual-lens module according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram illustrating a connection between a sensor circuit board and a main control board of a dual-lens module according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a bracket in a dual lens module according to an embodiment of the present invention;

fig. 6 is a wind direction diagram of a fan in a dual-lens module according to an embodiment of the present invention.

Icon: 1-mounting a plate; 2-a scaffold; 3-special-shaped FPC wire; 4-a main control board; 5, monitoring a lens; 6-positioning holes; 7-sensor circuit board; 8-a first section; 9-a second section; 10-a connecting part; 11-a first end; 12-a second end; 13-arc transition; 14-a bi-directional contact receptacle; 15-a fan; 16-a vent; 17-a housing; 18-glass; 19-opening; 20-wind blocking ribs; 21-a screw; 22-location columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Fig. 1 is a schematic partial structural diagram of a dual lens module according to an embodiment of the present invention; fig. 2 is an exploded view of a dual lens module according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a special-shaped FPC line in a dual-lens module according to an embodiment of the present invention; fig. 4 is a schematic structural diagram illustrating a connection between a sensor circuit board and a main control board of a dual-lens module according to an embodiment of the present invention; fig. 5 is a schematic structural diagram of a bracket in a dual lens module according to an embodiment of the present invention; as shown in fig. 1 to 5, a dual-lens module according to an embodiment of the present invention includes an installation board 1, a bracket 2, a special-shaped FPC line 3, a main control board 4, and two monitoring lenses 5; the mounting plate 1 is mounted on the support 2, a plurality of positioning columns 22 are arranged on the support 2, a plurality of positioning holes 6 are formed in the mounting plate 1, and the positioning columns 22 are matched with the positioning holes 6 in a one-to-one correspondence mode; the mounting plate 1 comprises two sensor circuit boards 7 which are symmetrically arranged, the monitoring lenses 5 are mounted on the sensor circuit boards 7, and the two monitoring lenses 5 are arranged in one-to-one correspondence with the two sensor circuit boards 7; in each set of the sensor circuit board 7 and the monitoring lens 5 corresponding to each other: the monitoring lens 5 and the sensor circuit board 7 are relatively fixed in position; the special-shaped FPC wire 3 comprises a first part 8 and a second part 9, and the first part 8 and the second part 9 are connected through a connecting part 10; the first end 11 of the first part 8 is used for connecting with a socket of the sensor circuit board 7, and the second end 12 of the first part 8 is used for connecting with a socket of the main control board 4; the first end 11 of the second portion 9 is adapted to be connected to a socket of another sensor board 7, and the second end 12 of the second portion 9 is adapted to be connected to another socket of the main control board 4.

During assembly of the dual-lens module provided by the embodiment, the two monitoring lenses 5 are respectively mounted on the two sensor circuit boards 7, the positions of the monitoring lenses 5 and the sensor circuit boards 7 are relatively fixed, and the mounting plate 1 is connected with the bracket 2 through the matching of the positioning columns 22 and the positioning holes 6; therefore, the relative position of the two monitoring lenses 5 finally fixed on the bracket 2 can be ensured to be accurate, and the display effect of the spliced image of the two monitoring lenses 5 is ensured. In addition, because the heterotypic FPC line 3 includes first portion 8 and second portion 9, and first portion 8 and second portion 9 set up with two surveillance lens 5 one-to-one respectively, in addition the connecting portion 10 between first portion 8 and the second portion 9, consequently can distinguish first portion 8 and second portion 9 obviously to avoid appearing chaotic problem when two surveillance lens 5 carry out the circuit connection.

Therefore, the arrangement mode can ensure the image splicing effect of the two monitoring lenses 5, can also prevent the occurrence of disordered conditions when the two monitoring lenses 5 are connected with circuits, and effectively improves the assembly efficiency and the working efficiency of the double-lens module.

Referring to fig. 3, as an alternative embodiment, the first end 11 of the first portion 8 is bent to a side away from the second portion 9, and the first end 11 of the second portion 9 is bent to a side away from the first portion 8.

In order to expand the monitoring field of view, a certain included angle is usually formed between the two monitoring lenses 5, that is, a certain angle is formed between the two sensor circuit boards 7, as shown in fig. 1 and 2; thus, when the two monitoring lenses 5 are electrically connected, the special-shaped FPC lines 3 are also bent naturally.

Therefore, in the present embodiment, the first end 11 of the first portion 8 is bent to a side far away from the second portion 9, and the first end 11 of the second portion 9 is bent to a side far away from the first portion 8, so as to prevent the second end 12 of the first portion 8 and the second end 12 of the second portion 9 from interfering with each other.

The following description will be given taking the first end 11 as an end for connection to the sensor wiring board 7 as an example: when in connection, the first end 11 of the first portion 8 and the first end 11 of the second portion 9 are respectively connected with the two sensor circuit boards 7, and because a certain angle is formed between the two sensor circuit boards 7, the special-shaped FPC cable 3 is also bent, that is, the second end 12 of the first portion 8 and the second end 12 of the second portion 9 are close to each other, and because the first end 11 of the first portion 8 is bent to a side far away from the second portion 9 and the first end 11 of the second portion 9 is bent to a side far away from the first portion 8, a certain distance is kept between the second end 12 of the first portion 8 and the second end 12 of the second portion 9, so that the first end 12 of the first portion 8 and the second end 12 of the second portion 9 are not attached together, and thus the second end 12 of the first portion 8 and the second end 12 of the second portion 9 are prevented from interfering with each other.

In addition, the first end 11 of the first portion 8 and the first end 11 of the second portion 9 may be both arcuate, as shown in fig. 3; the arrangement of the arcs can reduce damage to the first end 11 of the first portion 8 and the first end 11 of the second portion 9 during bending, thereby prolonging the service life.

With continued reference to fig. 3, as an alternative embodiment, the junction of the connecting portion 10 and the first portion 8 and the junction of the connecting portion 10 and the second portion 9 each have a rounded transition 13.

In this embodiment, since the special-shaped FPC line 3 is bent, the connecting portion 10 is necessarily bent in the bending process, and in order to ensure the service life of the connecting portion 10, the arc transition 13 is provided at the connecting portion between the connecting portion 10 and the first portion 8 and at the connecting portion between the connecting portion 10 and the second portion 9, so that the damage of the connecting portion 10 due to bending is reduced to a certain extent, and the service life of the connecting portion 10 is prolonged to a certain extent.

As an alternative embodiment, as shown in fig. 4, the socket of each sensor circuit board 7 is a bidirectional contact socket 14; each of the sockets of the main control board 4 is also a bidirectional contact socket 14.

In this embodiment, the arrangement of the bidirectional contact socket 14 can avoid that the operator inserts the front and back sides of the special-shaped FPC line 3 reversely, thereby improving the assembly efficiency.

Referring to fig. 1, 2 and 5, as an alternative embodiment, the dual lens module further includes a fan 15; the fan 15 is connected with one side of the bracket 2 departing from the mounting plate 1; the bracket 2 has two ventilation openings 16, and the two ventilation openings 16 are arranged in one-to-one correspondence with the two sensor circuit boards 7.

In this embodiment, the setting of fan 15 can play radiating effect to two sensor circuit boards 7, and fan 15 direct mount is in support 2, and is nearer apart from sensor circuit board 7 distance, and when convenient to assemble, the radiating effect also is good.

Referring to fig. 1, as an alternative embodiment, the dual lens module further includes a housing 17; the support 2 is fixedly connected with a housing 17, and the housing 17 is used for accommodating two monitoring lenses 5. The dual-lens module further comprises two glasses 18, and the housing 17 has two openings 19; the two openings 19, the two pieces of glass 18 and the two monitoring lenses 5 are arranged in a one-to-one correspondence manner; in each set of mutually corresponding openings 19, glass 18 and monitoring lens 5: the glass 18 covers the opening 19, and the orthographic projection of the glass 18 on the housing 17 covers the orthographic projection of the monitoring lens 5 on the housing 17.

In this embodiment, the arrangement of the housing 17 can protect the two monitoring lenses 5; the glass 18 is provided so as not to affect the image capturing of the monitoring lens 5 while sealing the opening 19 to protect the monitoring lens 5.

Fig. 6 is a wind direction diagram of a fan in a dual-lens module according to an embodiment of the present invention, referring to fig. 5 and 6, as an alternative embodiment, the bracket 2 further has two symmetrically disposed wind-blocking ribs 20; the two wind-shielding ribs 20 are used to form a guide wind channel of the fan 15 in cooperation with the housing 17.

In this embodiment, the existence of the guide air duct enables the air blown by the fan 15 to blow to the two monitoring lenses 5 (as shown by the thick arrows in fig. 6, that is, the air direction is indicated), and can perform a defogging function on the surfaces of the monitoring lenses 5 in a special environment.

As an alternative embodiment, each sensor circuit board 7 is mounted to the bracket 2 by screws 21, as shown in fig. 1. Alternatively, the fan 15 may be mounted to the bracket 2 by screws (not shown), and the bracket 2 may be mounted to the housing 17 by screws (not shown).

In this embodiment, the mode of screw connection is adopted in the connection between some parts in the double-lens module, and easy operation is convenient, when having ensured connection stability, still convenient to detach and change.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A double-lens module is characterized by comprising a mounting plate, a bracket, a special-shaped FPC (flexible printed circuit) wire, a main control board and two monitoring lenses; wherein,

the mounting plate is mounted on the support, a plurality of positioning columns are arranged on the support, a plurality of positioning holes are formed in the mounting plate, and the positioning columns are matched with the positioning holes in a one-to-one correspondence manner;

the mounting plate comprises two sensor circuit boards which are symmetrically arranged, the monitoring lenses are mounted on the sensor circuit boards, and the two monitoring lenses and the two sensor circuit boards are arranged in a one-to-one correspondence manner;

in each group of sensor circuit board and monitoring lens that correspond to each other: the monitoring lens and the sensor circuit board are relatively fixed in position;

the special-shaped FPC wire comprises a first part and a second part, and the first part is connected with the second part through a connecting part;

the first end of the first part is used for being connected with a socket of the sensor circuit board, and the second end of the first part is used for being connected with a socket of the main control board; the first end of the second part is used for being connected with another socket of the sensor circuit board, and the second end of the second part is used for being connected with another socket of the main control board.

2. The dual lens module as claimed in claim 1, wherein the first end of the first portion is bent to a side away from the second portion, and the first end of the second portion is bent to a side away from the first portion.

3. The dual lens module as claimed in claim 2, wherein the junction of the connecting portion and the first portion and the junction of the connecting portion and the second portion have circular arc transitions.

4. The dual lens module as claimed in claim 1, wherein the socket of each sensor circuit board is a bidirectional contact socket;

each socket of the main control board is also a bidirectional contact socket.

5. The dual lens module as claimed in claim 1, further comprising a fan;

the fan is connected with one side of the bracket, which is far away from the mounting plate;

the support is provided with two ventilation openings, and the two ventilation openings are in one-to-one correspondence with the two sensor circuit boards.

6. The dual lens module as claimed in claim 5, further comprising a housing;

the support with shell fixed connection, the shell is used for holding two monitor lens.

7. The dual lens module as claimed in claim 6, further comprising two glasses, the housing having two openings;

the two openings, the two pieces of glass and the two monitoring lenses are arranged in a one-to-one correspondence manner;

in each set of mutually corresponding openings, glass and monitoring lenses: the glass covers the opening, and an orthographic projection of the glass on the shell covers an orthographic projection of the monitoring lens on the shell.

8. The dual lens module as set forth in claim 6, wherein the holder further has two symmetrically disposed wind-blocking ribs;

the two wind blocking ribs are used for being matched with the shell to form a guide air duct of the fan.

9. The dual lens module as claimed in any one of claims 1-8, wherein each of the sensor circuit boards is mounted to the holder by screws.

10. The dual lens module as claimed in any one of claims 6-8, wherein the fan is mounted to the bracket by screws, and the bracket is mounted to the housing by screws.