CN207650535U - Camera lens - Google Patents
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- CN207650535U CN207650535U CN201721588940.2U CN201721588940U CN207650535U CN 207650535 U CN207650535 U CN 207650535U CN 201721588940 U CN201721588940 U CN 201721588940U CN 207650535 U CN207650535 U CN 207650535U
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- camera lens
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- temperature
- adjusting device
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Abstract
The utility model proposes a kind of camera lens, including shell, camera lens and temperature-adjusting device in implementing, the enclosure interior is equipped with cavity, and the temperature-adjusting device is fixed in the lateral wall of the camera lens；The camera lens is set in the cavity with thermostatic composite structure.The utility model has the beneficial effects that by the way that temperature-adjusting device is arranged on camera lens side wall so that video camera can heat camera lens by temperature-adjusting device when environment temperature is too low, ensure that camera lens can work normally；And temperature-adjusting device and camera lens are integrally formed, and are reduced extra installing component, are reduced the weight of video camera entirety, and user is made to be more convenient in operation and carrying.
Description
Technical field
The utility model is related to monitoring camera-shooting field, more particularly to a kind of camera lens.
Background technology
The use of video camera is now more and more extensive, especially plays extremely important work in fields such as safety monitorings
With can be that being smoothed out for daily life, production and operation, defence science etc. escort.Market to the function of video camera and
The requirement of performance is increasingly promoted, and small and performance stabilization image quality clearly images movement and favored by consumer, still
The normal work of video camera is especially limited by environment temperature by place environmental restrictions.In general, video camera is 0
DEG C~40 DEG C between can normal photographing, but at 0 DEG C hereinafter, can because camera structure part, especially camera lens expand with heat and contract with cold
Problem and cause camera lens not stretch normally, thus camera zoom focusing situations such as having some setbacks is caused to occur, make video camera without
Method works normally, or even cannot normally start.
Camera zoom is caused to focus asking of having some setbacks in order to solve cannot normally to stretch under camera lens low temperature environment
Topic, there are two types of widespread practices currently on the market.The first is one heating module of independent connection, and circuit is connected to by wire rod
On plate, then heating module is attached on the shell of video camera, but this mode is a kind of whole heating to video camera, and
Heating module is to having one section of physical distance, the major part of the heat sent out that can be lost in by shell in this mode between camera lens
Into external environment, therefore heat transfer efficiency is low, to cause the waste of energy.Another method be camera shooting casing internal,
Space outside camera lens fills a heating module, and then hot wind is blown in video camera inner structural members with fan and is heated,
But this mode is primarily present three problems：First is that power consumption is big, space hold is big, needs additionally to provide energy for fan running
And structure space, the integrated level of video camera is influenced, there may be the influences of fan noise in addition；Second be there are Single Point of Faliure,
It all can be that heating function cannot achieve that fan, which individually breaks down, or heating module individually breaks down；Third, due to camera shooting
It will produce heat when the work such as movement piece itself, this mode may make the operating die inside video camera excessively high, and shortening is taken the photograph
Camera service life.
Utility model content
The main purpose of the utility model is to provide a kind of camera lens, preferably to solve camera lens in low temperature
Cannot normally stretch under environment causes camera zoom to focus the problem of having some setbacks.
To solve the above-mentioned problems, the utility model proposes a kind of camera lens in implementing, including shell, camera lens and
Temperature-adjusting device, above-mentioned enclosure interior are equipped with cavity,
Above-mentioned temperature-adjusting device is fixed in the lateral wall of above-mentioned camera lens；
Above-mentioned camera lens is set to thermostatic composite structure in above-mentioned cavity.
Further, in above-mentioned camera lens, above-mentioned temperature-adjusting device includes heating resistor, temperature sensing
Device, processing unit and circuit board,
Above-mentioned heating resistor and temperature sensor are electrically connected with above-mentioned processing unit respectively；
Above-mentioned heating resistor includes two, and the opposite both ends for being set to foregoing circuit plate respectively, above-mentioned temperature sensor with
Processing unit is set to the middle part of foregoing circuit plate.
Further, further include heat transfer plate in above-mentioned camera lens, two pieces of above-mentioned heat transfer plate mass, above-mentioned electricity
Road plate is affixed by the lateral wall of above-mentioned heat transfer plate and above-mentioned camera lens, and above-mentioned heat transfer plate is set to the correspondence of above-mentioned heating resistor
Position.
Further, in above-mentioned camera lens, foregoing circuit plate is set in the corresponding position of above-mentioned temperature sensor
There are one the U-shaped through-holes around above-mentioned temperature sensor.
Further, in above-mentioned camera lens, above-mentioned temperature sensor is thermistor.
Further, in above-mentioned camera lens, foregoing circuit plate is aluminum base circuit board.
Further, in above-mentioned camera lens, above-mentioned temperature sensor is thermistor R7, above-mentioned heating resistor
Including resistance R3 and resistance R4, above-mentioned processing unit includes resistance R5, resistance R6, triode Q2, resistance R2, resistance R1, capacitance
C1, metal-oxide-semiconductor Q1 and microcontroller J1,
The 1-3 pins of above-mentioned microcontroller J1 are connect with external dc power respectively, the 4-5 pins of above-mentioned microcontroller and
7-8 pins are grounded respectively, and the 6th pin of above-mentioned microcontroller is connect with one end of above-mentioned resistance R5, and the 9th of above-mentioned microcontroller draws
Foot is connect by above-mentioned thermistor R7 with internal electric source, and the 10th pin of above-mentioned microcontroller is connect with internal electric source；
The other end of above-mentioned resistance R5 is connect with the base stage of above-mentioned triode Q2, and an end of above-mentioned resistance R6 is connected to above-mentioned three
Between the base stage of pole pipe Q2 and above-mentioned resistance R5；The emitter of above-mentioned triode Q2 is grounded, the other end connection of above-mentioned resistance R6
Between the emitter and ground wire of above-mentioned triode Q2；The collector of above-mentioned triode Q2 passes through above-mentioned resistance R2 and above-mentioned MOS
The grid of pipe Q1 connects, and one end of above-mentioned resistance R1 is connected between the grid and resistance R2 of above-mentioned metal-oxide-semiconductor Q1, above-mentioned capacitance C1
And it is connected in the both ends of above-mentioned resistance R1；The source electrode of above-mentioned metal-oxide-semiconductor Q1 is connect with external dc power, and above-mentioned resistance R1's is another
End is connected between the source electrode and external dc power of above-mentioned metal-oxide-semiconductor Q1；The drain electrode of above-mentioned metal-oxide-semiconductor Q1 by above-mentioned resistance R3 with
Ground wire connects；Above-mentioned resistance R4 and the both ends for being connected in above-mentioned resistance R3.
Further, in above-mentioned camera lens, above-mentioned shell includes left cover and right cover, above-mentioned left cover and right cover phase
It is mutually affixed.
Further, in above-mentioned camera lens, above-mentioned left cover and right cover is fixedly connected with each other by screw.
Further, in above-mentioned any one camera lens, above-mentioned temperature-adjusting device by screw with it is above-mentioned
Camera lens outer wall is directly affixed.
The utility model has the beneficial effects that by the way that temperature-adjusting device is arranged on camera lens side wall so that take the photograph
Camera can heat camera lens by temperature-adjusting device when environment temperature is too low, ensure that camera lens can be normal
Work；And temperature-adjusting device and camera lens are integrally formed, and are reduced extra installing component, are reduced the weight of video camera entirety
Amount makes user be more convenient in operation and carrying.
Description of the drawings
Fig. 1 is the structural schematic diagram of the camera lens of one embodiment of the utility model；
Fig. 2 is the structural schematic diagram of the camera lens of one embodiment of the utility model；
Fig. 3 is the thermostatic circuit diagram of the camera lens of one embodiment of the utility model.
1, camera lens；2, temperature-adjusting device；3, left cover；4, right cover.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining relative position relation, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly, and the connection can directly be connected
It connects, can also be to be indirectly connected with.
In addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot understand
To indicate or implying its relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include at least one of the features.In addition, the technical side between each embodiment
Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical solution
Conflicting or cannot achieve when occur will be understood that the combination of this technical solution is not present, also not in the requires of the utility model
Protection domain within.
Referring to Fig.1-2, a kind of camera lens of one embodiment of the utility model, including shell, camera lens 1 and temperature are proposed
Regulating device 2, above-mentioned enclosure interior are equipped with cavity, and above-mentioned temperature-adjusting device 2 is fixed in the outside of above-mentioned camera lens 1 by screw
Wall；Above-mentioned camera lens 1 and the composite structure of temperature-adjusting device 2 are set in above-mentioned cavity, when environment temperature reduction, above-mentioned temperature tune
When the temperature for obtaining above-mentioned camera lens 1 is reduced to designated value by regulating device 2, above-mentioned temperature-adjusting device 2 adds above-mentioned camera lens 1
Heat enables above-mentioned camera lens 1 to carry out normal focus and zoom work.
In the present embodiment, above-mentioned shell is made of left cover 3 and right cover 4 this three parts, and material is generally aluminium alloy, and aluminium closes
Gold possesses good thermal conductance and corrosion resistance, can also can protect the inside of video camera by a variety of rugged environments outdoors
Component, and above-mentioned left cover 3 and right cover 4 are fixed by stainless steel screw between each other, connection forms firm inner cavity.
In the present embodiment, above-mentioned temperature-adjusting device 2 includes temperature sensor, processing unit, heating resistor and circuit board,
Above-mentioned heating resistor includes two, and respectively with respect to set on the both ends of foregoing circuit plate, above-mentioned temperature sensor and processing unit
It is set to the intermediate position of foregoing circuit plate, had both protected the element in above-mentioned processing unit, reduces the high fever from heating resistor
The damage of amount, improves the service life of element, and reduces influence when above-mentioned heating resistor detects above-mentioned temperature sensor；
In addition, foregoing circuit plate is set in the corresponding position of above-mentioned temperature sensor there are one the U-shaped through-hole around above-mentioned temperature sensor,
Foregoing circuit plate is reduced because above-mentioned heating resistor is in adstante febre, cause the heating of foregoing circuit plate influence to temperature sensor,
Improve the measurement accuracy of temperature sensor；Above-mentioned processing unit is tightly electrically connected with above-mentioned temperature sensor, above-mentioned temperature sensing
Device, which monitors the real time temperature of external environment and sends supreme processing unit of stating, to be judged, when real time temperature is less than designated value,
Above-mentioned processing unit starts two above-mentioned heating resistors and is heated to above-mentioned camera lens 1, refers to until real time temperature is greater than or equal to
When definite value, above-mentioned adding thermal resistance is closed, to achieve the purpose that adjust above-mentioned 1 internal operating temperature of camera lens.
In the present embodiment, above-mentioned temperature sensor is negative tempperature coefficient thermistor.
Thermistor：Thermal resistor is one kind of sensing element, is divided into positive temperature coefficient heat according to temperature coefficient difference
Sensitive resistor (PTC) and negative temperature coefficient thermistor (NTC).The typical feature of thermal resistor be it is temperature sensitive, no
Different resistance values is shown at same temperature.Positive temperature coefficient thermistor (PTC) resistance value when temperature is higher is bigger,
Negative temperature coefficient thermistor (NTC) resistance value when temperature is higher is lower, they belong to semiconductor devices.Thermistor
The advantages of be high sensitivity (10~100 times bigger than metal of its temperature-coefficient of electrical resistance or more)；Operating temperature range is wide；Volume
It is small；Easy processing is at complicated shape；Stability is good and overload capacity is strong.
With reference to Fig. 3, in the present embodiment, above-mentioned temperature sensor is thermistor R7, and above-mentioned heating resistor includes resistance
R3 and resistance R4, above-mentioned processing unit include resistance R5, resistance R6, triode Q2, resistance R2, resistance R1, capacitance C1, metal-oxide-semiconductor
Q1 and microcontroller J1,
The 1-3 pins of above-mentioned microcontroller J1 are connect with external dc power respectively, the 4-5 pins of above-mentioned microcontroller and
7-8 pins are grounded respectively, and the 6th pin of above-mentioned microcontroller is connect with one end of above-mentioned resistance R5, and the 9th of above-mentioned microcontroller draws
Foot is connect by above-mentioned thermistor R7 with internal electric source, and the 10th pin of above-mentioned microcontroller is connect with internal electric source；
The other end of above-mentioned resistance R5 is connect with the base stage of above-mentioned triode Q2, and an end of above-mentioned resistance R6 is connected to above-mentioned three
Between the base stage of pole pipe Q2 and above-mentioned resistance R5；The emitter of above-mentioned triode Q2 is grounded, the other end connection of above-mentioned resistance R6
Between the emitter and ground wire of above-mentioned triode Q2；The collector of above-mentioned triode Q2 passes through above-mentioned resistance R2 and above-mentioned MOS
The grid of pipe Q1 connects, and one end of above-mentioned resistance R1 is connected between the grid and resistance R2 of above-mentioned metal-oxide-semiconductor Q1, above-mentioned capacitance C1
And it is connected in the both ends of above-mentioned resistance R1；The source electrode of above-mentioned metal-oxide-semiconductor Q1 is connect with external dc power, and above-mentioned resistance R1's is another
End is connected between the source electrode and external dc power of above-mentioned metal-oxide-semiconductor Q1；The drain electrode of above-mentioned metal-oxide-semiconductor Q1 by above-mentioned resistance R3 with
Ground wire connects；Above-mentioned resistance R4 and the both ends for being connected in above-mentioned resistance R3.
When ambient temperature reduces, the resistance value of above-mentioned thermistor R7 increases, and the 9th pin input voltage of microcontroller reduces simultaneously
And when it is reduced to the designated value of above-mentioned microcontroller, the 6th pin of above-mentioned microcontroller exports high level, above-mentioned triode Q2
It is in the conduction state, and then above-mentioned metal-oxide-semiconductor Q1 has parallel circuit of the electric current by cocurrent to above-mentioned resistance R3 and R4, and above-mentioned electricity
It is heating resistor to hinder R3 and R4, when its inflow current is to begin to warm up；When ambient temperature raising, the resistance of above-mentioned thermistor R7
Value reduces, and the 9th pin input voltage of microcontroller increases and when it increases to the designated value of above-mentioned microcontroller, above-mentioned monolithic
6th pin of machine exports low level, and above-mentioned triode Q2 is in cut-off state, and then above-mentioned metal-oxide-semiconductor Q1 ends, thus above-mentioned
The parallel circuit of heating resistor R3 and R4 do not have electric current inflow, above-mentioned heating resistor to stop heating.
The utility model on camera lens side wall by being arranged temperature-adjusting device 2 so that video camera is in environment temperature
When spending low, camera lens can be heated by temperature-adjusting device 2, ensure that camera lens 1 can work normally；And temperature
It spends regulating device 2 and camera lens 1 is integrally formed, reduce extra installing component, reduce the weight of video camera entirety, use
Person is more convenient in operation and carrying.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Equivalent structure or equivalent flow shift made by using the description of the utility model and the drawings, is directly or indirectly transported
Used in other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of camera lens, which is characterized in that including shell, camera lens and temperature-adjusting device, the enclosure interior is equipped with
Cavity,
The temperature-adjusting device is fixed in the lateral wall of the camera lens；
The camera lens is set in the cavity with thermostatic composite structure.
2. camera lens according to claim 1, which is characterized in that the temperature-adjusting device include heating resistor,
Temperature sensor, processing unit and circuit board,
The heating resistor and temperature sensor are electrically connected with the processing unit respectively；
The heating resistor includes two, and respectively with respect to set on the both ends of the circuit board, the temperature sensor and processing
Unit is set to the middle part of the circuit board.
3. camera lens according to claim 2, which is characterized in that further include heat transfer plate, the heat transfer plate mass two
Block, the circuit board is affixed by the lateral wall of the heat transfer plate and the camera lens, and the heat transfer plate is set to the fever
The corresponding position of resistance.
4. camera lens according to claim 2, which is characterized in that pair of the circuit board in the temperature sensor
Answering position to set, there are one the U-shaped through-holes around the temperature sensor.
5. camera lens according to claim 2, which is characterized in that the temperature sensor is thermistor.
6. camera lens according to claim 2, which is characterized in that the circuit board is aluminum base circuit board.
7. camera lens according to claim 2, which is characterized in that the temperature sensor is thermistor R7, institute
It includes resistance R3 and resistance R4 to state heating resistor, and the processing unit includes resistance R5, resistance R6, triode Q2, resistance R2, electricity
R1, capacitance C1, metal-oxide-semiconductor Q1 and microcontroller J1 are hindered,
The 1-3 pins of the microcontroller J1 are connect with external dc power respectively, the 4-5 pins and 7- of the microcontroller
8 pins are grounded respectively, and the 6th pin of the microcontroller is connect with one end of the resistance R5, and the 9th pin of the microcontroller is logical
It crosses the thermistor R7 to connect with internal electric source, the 10th pin of the microcontroller is connect with internal electric source；
The other end of the resistance R5 is connect with the base stage of the triode Q2, and an end of the resistance R6 is connected to the triode
Between the base stage of Q2 and the resistance R5；The emitter of the triode Q2 is grounded, and the other end of the resistance R6 is connected to institute
Between the emitter and ground wire of stating triode Q2；The collector of the triode Q2 passes through the resistance R2 and the metal-oxide-semiconductor Q1
Grid connection, one end of the resistance R1 is connected between the grid and resistance R2 of the metal-oxide-semiconductor Q1, the capacitance C1 and company
In the both ends of the resistance R1；The source electrode of the metal-oxide-semiconductor Q1 is connect with external dc power, and the other end of the resistance R1 connects
It is connected between the source electrode and external dc power of the metal-oxide-semiconductor Q1；The drain electrode of the metal-oxide-semiconductor Q1 passes through the resistance R3 and ground wire
Connection；The resistance R4 and the both ends for being connected in the resistance R3.
8. camera lens according to claim 1, which is characterized in that the shell includes left cover and right cover, the left side
Lid and right cover are fixedly connected with each other.
9. camera lens according to claim 8, which is characterized in that the left cover and right cover is mutually solid by screw
It connects.
10. according to camera lens described in any one of claim 1-9, which is characterized in that the temperature-adjusting device is logical
It crosses screw and the camera lens outer wall is directly affixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588940.2U CN207650535U (en) | 2017-11-22 | 2017-11-22 | Camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721588940.2U CN207650535U (en) | 2017-11-22 | 2017-11-22 | Camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207650535U true CN207650535U (en) | 2018-07-24 |
Family
ID=62889787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721588940.2U Expired - Fee Related CN207650535U (en) | 2017-11-22 | 2017-11-22 | Camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207650535U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541793A (en) * | 2018-11-30 | 2019-03-29 | 浙江未来技术研究院(嘉兴) | A kind of stereomicroscopy operation video frequency acquisition device and its adjustment method |
| CN111694201A (en) * | 2019-03-12 | 2020-09-22 | 上海丰宝电子信息科技有限公司 | Camera lens treated by transparent high-temperature-resistant coating |
| CN112378540A (en) * | 2020-11-03 | 2021-02-19 | 上海艾为电子技术股份有限公司 | Measuring method and measuring device for external temperature of lens module and electronic equipment |
-
2017
- 2017-11-22 CN CN201721588940.2U patent/CN207650535U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109541793A (en) * | 2018-11-30 | 2019-03-29 | 浙江未来技术研究院(嘉兴) | A kind of stereomicroscopy operation video frequency acquisition device and its adjustment method |
| CN111694201A (en) * | 2019-03-12 | 2020-09-22 | 上海丰宝电子信息科技有限公司 | Camera lens treated by transparent high-temperature-resistant coating |
| CN112378540A (en) * | 2020-11-03 | 2021-02-19 | 上海艾为电子技术股份有限公司 | Measuring method and measuring device for external temperature of lens module and electronic equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 Termination date: 20211122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |