CN208128382U - A kind of protective device and monitoring device of camera lens - Google Patents
A kind of protective device and monitoring device of camera lens Download PDFInfo
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- CN208128382U CN208128382U CN201820475919.XU CN201820475919U CN208128382U CN 208128382 U CN208128382 U CN 208128382U CN 201820475919 U CN201820475919 U CN 201820475919U CN 208128382 U CN208128382 U CN 208128382U
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- light transmitting
- transmitting sheet
- conductive film
- camera lens
- protective device
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Abstract
The utility model relates to safety monitoring apparatus fields, disclose the protective device and monitoring device of a kind of camera lens, which includes shell, and shell is equipped with light transmitting sheet, and one end of light transmitting sheet and camera lens entering light is oppositely arranged；Light transmitting sheet is additionally provided with transparent conductive film towards camera lens on one side, is set on conductive film there are two the connecting pin for connecting power supply, behind each connecting pin and power supply connection, has electric current to pass through in conductive film and generates heat.In above-described embodiment, conductive film is equivalent to one piece of transparent resistance that light transmitting sheet surface is arranged in, after energization, conductive film converts electrical energy into thermal energy, increases light transmitting sheet surface and the intracorporal temperature of shell, and, since conductive film covers light transmitting sheet surface, so that light transmitting sheet is heated in whole region, improves heat transfer efficiency, while reducing the waste of energy.
Description
Technical field
The utility model relates to safety monitoring apparatus field more particularly to the protective devices and monitoring device of a kind of camera lens.
Background technique
When acute variation occurs for the use environment temperature of video camera, the steam meeting that contains in video camera inner air
The camera lens light transmitting sheet or ball cover inner surface of video camera are condensed in, white water mist is formed, influences the normal shooting function of video camera, and
And the camera lens light transmitting sheet outer surface of video camera is also easy to freeze in cold snap.
The scheme for using the deicing of resistance heating demisting in the prior art, is prepared into annular flake shape for resistance, is pasted onto
The camera lens light transmission plate inner surface of video camera is then electrified to make its fever, and heat rises the temperature of the camera lens light transmitting sheet of video camera,
To make the temperature of the camera lens light transmitting sheet of video camera be higher than environment temperature.
In the program, the camera lens light transmitting sheet middle section of video camera needs transmitted light to use to lens imaging, therefore, ring
Shape electrical sheet resistance can be only installed at the outer ring of camera lens light transmitting sheet, and after resistance heating, camera lens light transmitting sheet is started to warm up from outer ring, gradually
Conduction is to central part, and heat transfer efficiency is low, also, a large amount of heat concentrates on the fringe region of camera lens light transmitting sheet, the benefit of heat
It is low with rate, cause the waste of energy.
Utility model content
The utility model provides the protective device and monitoring device of a kind of camera lens, makes to be heated in whole region, and mention
The utilization rate of high heat.
The utility model embodiment provides a kind of protective device of camera lens, which includes shell, the shell
It is equipped with light transmitting sheet, and one end of the light transmitting sheet and the camera lens entering light is oppositely arranged, the light in external environment passes through saturating
Mating plate is injected in camera lens, and light transmitting sheet can be glass etc.；The light transmitting sheet is additionally provided with transparent lead towards the camera lens on one side
Conductive film is set on the conductive film there are two the connecting pin for connecting power supply, which can be the power supply of monitoring device,
Or the power supply being separately provided has electric current to pass through and generate behind each connecting pin and power supply connection in the conductive film
Heat.
In above-described embodiment, conductive film is equivalent to one piece of transparent resistance that light transmitting sheet surface is arranged in, conductive after energization
Film converts electrical energy into thermal energy, increases light transmitting sheet and the intracorporal temperature of shell, also, since conductive film covers light transmitting sheet
Surface makes light transmitting sheet be heated in whole region, improves heat transfer efficiency, and reduce the waste of energy.
In a specific embodiment, further include circuit board, the circuit board is fixedly connected with the shell, and with institute
State power electric connection；Flexible connector, the flexible connector compression are equipped between the circuit board and each connecting pin
It is electrically connected respectively with the circuit board and corresponding connecting pin afterwards.Power supply circuit, production installation are connected to by flexible connector
Convenient, connection is reliable.
When specific setting, the shell is equipped with mounting hole, and the light transmitting sheet is fixed on the mounting hole far from the mirror
One end of head；
The side wall of the mounting hole is equipped with the card slot for fixing the flexible connector, and the flexible connector plugs
In the card slot.
Optionally, the flexible connector includes substrate and wears multiple elastic metallic needles on the substrate, often
The substrate is stretched out at the both ends of a elastic metallic needle, and is pressed on the circuit board and corresponding connecting pin.
In order to further increase the reliability of connection, the substrate is equipped at least one groove, is equipped in the card slot
The protrusion matched with each groove；
Or the substrate is equipped at least one protrusion, is equipped with the groove matched with each protrusion in the card slot.It is convex
The mutual cooperation risen between groove has effect of contraction, ensure that the stability of flexible connector.
In order to guarantee that elastic metallic needle is contacted with the good of connecting pin, the surface of each connecting pin is equipped with conductive be situated between
Matter.
Alternatively, the flexible connector can also be metal clips, one end of the metal clips and the circuit board are solid
Fixed connection, the other end are pressed on corresponding connecting pin.
When specific setting, different positions on conductive film is can be set in connecting pin, optionally, described two connecting pins
About the central symmetry of the conductive film, so that the center of the short path region overlay light transmitting sheet of electric current.
Optionally, the conductive film is indium tin oxide films.Indium tin oxide films have good translucency and lead
Electrically.
The utility model embodiment additionally provides a kind of monitoring device, which includes guarantor described in any of the above embodiments
Protection unit.Wherein, protective device is arranged outside camera lens, shields, can be avoided the mechanical damage in external environment；
Light in external environment passes through light transmitting sheet and enters in camera lens, also, light transmitting sheet is provided with transparent lead towards camera lens on one side
Conductive film, after energization, conductive film converts electrical energy into thermal energy, and light transmitting sheet is made to be heated in whole region；The confession of conductive film
Electric unit can share a power supply with other electronic components in monitoring device or a power supply is separately provided.
Detailed description of the invention
Fig. 1 is the explosive view of protective device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of shell shown in Fig. 1；
Fig. 3 is the top view of light transmitting sheet shown in Fig. 1；
Fig. 4 is the structural schematic diagram of circuit board shown in Fig. 1；
Fig. 5 is the structural schematic diagram of flexible connector shown in Fig. 1；
Fig. 6 is the assembling effect figure of shell provided by the embodiment of the utility model, flexible connector and circuit board.
Appended drawing reference：
10- shell 11- mounting hole 12- card slot
The connecting pin 20- light transmitting sheet 21- 30- circuit board
40- flexible connector 41- substrate 42- elastic metallic needle
50- protrusion 60- groove 70- screw
Specific embodiment
It is practical to this below in conjunction with attached drawing in order to keep the purpose of this utility model, technical solution and advantage clearer
It is novel to be described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of all other embodiment obtained, fall within the protection scope of the utility model.
The monitoring device provided in the utility model embodiment includes the safety monitorings product such as video camera, wherein outside camera lens
It is provided with protective device, protective device shields to camera lens, can be avoided camera lens by the machinery in external environment
Damage, specifically, the protective device includes shell, shell is equipped with light transmitting sheet, and light transmitting sheet is opposite with one end of camera lens entering light
Setting；Light transmitting sheet is additionally provided with transparent conductive film towards camera lens on one side, sets that there are two for connecting power supply on conductive film
Connecting pin there is electric current to pass through in conductive film after each connecting pin and power supply are connected and generate heat.
In above-described embodiment, conductive film has good electric conductivity and translucency, is equivalent to one piece and is uniformly arranged on
The transparent resistance on light transmitting sheet surface is electrically connected and is formed current loop between conductive film and power supply, after energization, in conductive film
There is electric current to pass through, conductive film converts electrical energy into thermal energy, increases light transmitting sheet and the intracorporal temperature of shell, avoids in low temperature
There is water mist in the icing of light transmitting sheet surface or shell in environment；During the energization, since conductive film covers light transmitting sheet surface,
So that light transmitting sheet is heated in whole region, improves heat transfer efficiency, and reduce the waste of energy.
In order to more be apparent from the specific structure of protective device provided by the embodiment of the utility model, now in conjunction with attached
Figure is described in detail.
As shown in Figure 1, the protective device includes shell 10, shell 10 is equipped with light transmitting sheet 20, and light transmitting sheet 20 and camera lens
One end of entering light is oppositely arranged, specifically, as shown in Fig. 2, shell 10 is equipped with mounting hole 11, and the center of mounting hole 11 and mirror
The center of head is overlapped, and light transmitting sheet 20 is fixed on the one end of mounting hole 11 far from camera lens, as light transmitting sheet 20 passes through ultra-violet curing gluing
It is attached in mounting hole 11.Optionally, light transmitting sheet 20 is made by glass material, to guarantee good translucency, so that surrounding
Light in environment can pass through light transmitting sheet 20 and inject in camera lens.Light transmitting sheet 20 is additionally provided with transparent conduction towards camera lens on one side
Film is set on conductive film there are two the connecting pin 21 for connecting power supply, conductive after each connecting pin 21 is connected with power supply
There is electric current to pass through in film and generate heat, increases the temperature in 20 surface of light transmitting sheet and shell 10, to avoid in low temperature
There is water mist in the surface icing of light transmitting sheet 20 or shell 10 in environment, ensure that the image quality of camera lens.In the protective device,
Conductive film has translucency and electric conductivity, is equivalent to one piece of transparent resistance for being uniformly arranged on 20 surface of light transmitting sheet, is having
When electric current passes through, conductive film can convert electrical energy into thermal energy, so that light transmitting sheet 20 is heated in whole region, increases and connect
Contacting surface product, improves heat transfer efficiency, reduces the waste of energy.
When specific setting, different positions on conductive film is can be set in connecting pin 21, optionally, as shown in figure 3, this
Central symmetry of two connecting pins 21 about conductive film, the region that line between the two is formed, i.e. the short path area of electric current
Domain can cover the central area of light transmitting sheet 20, be arranged in this way so that after powered up, the central area of light transmitting sheet 20 can be very fast
Ground absorbs heat from conductive film, and radiates to fringe region, to ensure that in low temperature environment, the center of light transmitting sheet 20
Do not allow to be also easy to produce icing phenomenon in region.Conductive film can select indium tin oxide films, and indium tin oxide films have good
Photosensitiveness and electric conductivity can plate indium oxide layer tin in Float Glass Surface by the method for magnetron sputtering during the preparation process
Film.
The protective device further includes circuit board 30, and circuit board 30 is fixedly connected with shell 10, and is electrically connected to a power source, the electricity
Source can be the power supply of monitoring device, i.e. electronic component in protective device and monitoring device shares a power supply, alternatively,
It can be the power supply being separately provided；Flexible connector 40, flexible connector 40 are equipped between circuit board 30 and each connecting pin 21
It is electrically connected respectively with circuit board 30 and corresponding connecting pin 21 after compression.Flexible connector 40 has elasticity and electric conductivity,
During the installation process, flexible connector 40 is pressurized by the pressure from light transmitting sheet 20 and circuit board 30, flexible connector 40
After generate flexible deformation, be pressed on respectively under the action of recuperability on light transmitting sheet 20 and circuit board 30, connect power supply circuit,
Easy for installation, connection is reliable.
Flexible connector 40 can use multiple structural forms, if flexible connector 40 is metal clips, metal clips
One end is fixedly connected with circuit board 30, and the other end is free end, and is pressed on corresponding connecting pin 21.Specifically, metal elastic
Piece can be welded on circuit board 30 by welding procedure, during the installation process, light transmitting sheet 20 be passed through uv-curable glue first
It is fixed in the mounting hole on shell, circuit board 30 is then fixed with metal clips one is arranged facing towards light transmitting sheet 20, leads to
It is equal that circuit board 30 is fixed on the housing 10 to cross screw 70, at this point, metal clips is in compressive state, the free end of metal clips
It is pressed on connecting pin 21, circuit is connected.In order to not influence lens imaging, circuit board 30 is set in region corresponding with camera lens
There is through-hole, light is allowed to pass through.
Alternatively, the both ends of flexible connector 40 are all free end in another structure type, meanwhile, to guarantee connection
Reliability, the side wall of mounting hole 11 is equipped with the card slot 12 for fixing flexible connector 40, and flexible connector 40 is plugged in
In card slot 12.When specific setting, as shown in figure 5, flexible connector 40 includes substrate 41 and is threaded through multiple on substrate 41
Substrate 41 is stretched out at elastic metallic needle 42, the both ends of each elastic metallic needle 42, and be pressed on conductive film connecting pin 21 and
On circuit board 30.When specific connection, substrate 41 is equipped at least one groove 60, is equipped in card slot 12 and matches with each groove 60
The protrusion 50 of conjunction, alternatively, substrate 41 is equipped at least one protrusion 50, card slot 12 is interior recessed equipped with matching with each raised 50
Slot 60, in this way, playing position-limiting action by the mutual cooperation between protrusion and groove, ensure that the stabilization of flexible connector 40
Property.
In a specific embodiment, Fig. 2, Fig. 5, Fig. 6 are referred to together, wherein flexible connector 40 includes 6 elasticity
Metal needle 42, the head and tail portion of each elastic metallic needle 42 are all exposed substrate 41, the both ends of substrate 41 be respectively equipped with one it is recessed
Slot 60, correspondingly, card slot 12 is respectively provided with a protrusion 50, the setting direction and peace of protrusion 50 and groove 60 in corresponding position
The setting direction for filling hole 11 is consistent, is reference with relative positional relationship shown in Fig. 6, and flexible connector 40 is inserted into card slot 12
Afterwards, it cooperates between protrusion 50 and groove 60, limits anterior-posterior translation, left and right translation and 3 sides of flexible connector 40
To rotation extract or be downwardly into upwards with respect to shell 10, ensure that so that flexible connector 40 can only be translated vertically
The stability of flexible connector 40, and it is convenient for disassembly and assembly.
In order to guarantee these elastic metallic needles 42 and well contacting between connecting pin 21 and conductive plate, each connecting pin
21 surface is equipped with conducting medium, and circuit board 30 also is provided with conducting medium in corresponding region, conducting medium can for gold,
The electric conductivity such as silver, copper and the metal having good stability, such as external coating in connecting pin 21 contain the conductive silver paint of silver powder, and will
Corresponding region is set as the area Liang Tong 31 on circuit board 30.In a specific embodiment, connecting pin 21 is about conductive thin
The center symmetric setting of film, and the side that connecting pin 21 is oppositely arranged has biggish sectional area, as shown in figure 3, connecting pin 21
It is surrounded by one section of circular boundary and linear boundary, the straight border of two connecting pins 21 is opposite, and distance between the two
Equal, after energization, electric current flows to one of connecting pin 21 by elastic metallic needle 42, passes through conductive film stream by the connecting pin 21
To another connecting pin 21, in this course, the heat distribution that the conductive film between the two connecting pins 21 generates
Uniformly, it and is transmitted in light transmitting sheet 20.In addition, connecting pin 21 can also be arranged to other shapes, in this not go into detail.Electricity
As shown in figure 4, circuit board 30 can be fixed on the housing 10 by screw 70,30 center of circuit board is arranged the structure of road plate 30
Through-hole is oppositely arranged with light transmitting sheet 20, and the area Liang Geliangtong 31 is symmetrically distributed in the two sides of through-hole, and with two in light transmitting sheet 20
Connecting pin 21 corresponds.
By above description as can be seen that in the utility model embodiment, by being arranged one layer thoroughly on 20 surface of light transmitting sheet
Bright conductive film leads between conductive film and circuit board 30 so that the light transmitting sheet 20 has translucency and electric conductivity simultaneously
The conducting of flexible connector 40 is crossed, production is easy for installation, and connection is reliable；After power supply power supply, conductive film converts electrical energy into thermal energy,
So that light transmitting sheet 20 is heated in whole region, so as to avoid in 20 surface of the light transmitting sheet icing in low temperature environment or shell 10
There is water mist.
The utility model embodiment additionally provides a kind of monitoring device, such as video camera safety monitoring product, the monitoring are set
Standby includes above-mentioned protective device, wherein protective device is arranged outside camera lens, shields, can be avoided from external environment
In mechanical damage；Light in external environment enters in camera lens through light transmitting sheet 20, also, light transmitting sheet 20 is towards the one of camera lens
Face is provided with conductive film, and after energization, conductive film converts electrical energy into thermal energy so that light transmitting sheet 20 in whole region by
Heat improves heat transfer efficiency, and reduces the waste of energy；The power supply unit of conductive film can be with its in monitoring device
Its electronic component shares a power supply or a power supply is separately provided.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (9)
1. a kind of protective device of camera lens, which is characterized in that including shell, the shell is equipped with light transmitting sheet, and the light transmission
Piece and one end of the camera lens entering light are oppositely arranged；The light transmitting sheet is additionally provided with transparent conductive thin towards the camera lens on one side
Film, sets on the conductive film there are two the connecting pin for connecting power supply, after each connecting pin and the power supply are connected, institute
Stating in conductive film has electric current to pass through and generates heat.
2. protective device as described in claim 1, which is characterized in that it further include circuit board, the circuit board and the shell
Be fixedly connected, and with the power electric connection；Flexible connector is equipped between the circuit board and each connecting pin, it is described
It is electrically connected respectively with the circuit board and corresponding connecting pin after flexible connector compression.
3. protective device as claimed in claim 2, which is characterized in that the shell is equipped with mounting hole, and the light transmitting sheet is solid
It is scheduled on the one end of the mounting hole far from the camera lens；
The side wall of the mounting hole is equipped with the card slot for fixing the flexible connector, and the flexible connector is plugged in institute
It states in card slot.
4. protective device as claimed in claim 3, which is characterized in that the flexible connector includes substrate and is threaded through institute
Multiple elastic metallic needles on substrate are stated, the substrate is stretched out at the both ends of each elastic metallic needle, and is pressed on the circuit board
And on corresponding connecting pin.
5. protective device as claimed in claim 4, which is characterized in that the substrate is equipped at least one groove, the card
The protrusion matched with each groove is equipped in slot；
Or the substrate is equipped at least one protrusion, is equipped with the groove matched with each protrusion in the card slot.
6. protective device as claimed in claim 4, which is characterized in that the surface of each connecting pin is equipped with conducting medium.
7. protective device as described in claim 1, which is characterized in that described two connecting pins are about in the conductive film
The heart is symmetrical.
8. protective device as described in any one of claims 1 to 7, which is characterized in that the conductive film is that tin indium oxide is thin
Film.
9. a kind of monitoring device, which is characterized in that the protective device including camera lens as described in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475919.XU CN208128382U (en) | 2018-04-04 | 2018-04-04 | A kind of protective device and monitoring device of camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820475919.XU CN208128382U (en) | 2018-04-04 | 2018-04-04 | A kind of protective device and monitoring device of camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208128382U true CN208128382U (en) | 2018-11-20 |
Family
ID=64193949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820475919.XU Active CN208128382U (en) | 2018-04-04 | 2018-04-04 | A kind of protective device and monitoring device of camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208128382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740241A (en) * | 2019-10-30 | 2020-01-31 | 吉林石油集团有限责任公司 | kinds of camera |
-
2018
- 2018-04-04 CN CN201820475919.XU patent/CN208128382U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110740241A (en) * | 2019-10-30 | 2020-01-31 | 吉林石油集团有限责任公司 | kinds of camera |
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