CN209593565U - Anti-smog device, shield and picture pick-up device - Google Patents

Abstract

The utility model relates to field of camera technology, provide a kind of anti-smog device, are applied to shield, comprising: sealing element forms sealing cooperation with the blow vent of shield；Driving structure is set in shield and connect with sealing element, for driving sealing element to open or close the blow vent.The utility model additionally provides a kind of shield, including anti-smog device.The utility model additionally provides a kind of picture pick-up device, including shield.By the design of driving structure and sealing element, sealing element can be driven to turn on or off the blow vent of shield, gas connection inside and outside shield prevents shield internal-external temperature difference excessive, realizes anti-fog function；The sealed connection for passing through sealing element and blow vent simultaneously, avoiding ventilating for a long time influences the service life of shield interior video cameras and camera lens.

Description

Anti-smog device, shield and picture pick-up device

Technical field

The utility model relates to field of camera technology more particularly to a kind of anti-smog devices, shield and picture pick-up device.

Background technique

As photographic device is applied universal with frequently in daily life, the peripheral product of photographic device is also increasingly More, holder becomes a kind of one of the peripheral product of indispensability.Outdoor monopod currently used in the market works long hours and repeatedly meets After to rainstorm weather can because its shield intake vapour due to occur shield internal-external temperature difference it is big when sight glass have the phenomenon that water mist, this will be tight The video image effect for influencing holder again is product problem urgently to be resolved.

The solution of major part separate sheath is to open ventilating groove in shield lower casing bottom to breathe freely, but will affect at present It is less suitable to the holder product for having IP66 waterproof requirement to shield interior video cameras and the service life of camera lens；There are also the shields of holder Cover is internal to tie up desiccant, and early period can be effective, but rear desiccant of long duration can fail, and glass vision panel inner wall can still haze.

Utility model content

The purpose of this utility model is to provide a kind of anti-smog device, shield and picture pick-up devices, it is intended to solve the prior art Present in ventilating groove opened up by shield bottom come prevent indoor/outdoor temperature-difference realize it is antifog caused by influence video camera and camera lens The technical issues of service life.

To solve the above problems, the utility model embodiment provides a kind of anti-smog device, it is applied to shield, comprising:

Sealing element forms sealing cooperation with the blow vent of the shield；

Driving structure is set in the shield and connect with the sealing element, for driving the sealing element to play on or off Close the blow vent；

The driving structure is driven by manual or power device；

The driving structure includes connecting with the sealing element and being used to that the sealing element to be pushed to open or close described logical The impeller of port, and the actuator for driving the impeller；

The anti-smog device further includes the fixing sleeve being installed on the blow vent, and the fixing sleeve has centre bore, institute State that sealing element is openable or the closing centre bore；

The sealing element includes the sealing being movably arranged in the centre bore, and connect and can stop with the sealing It is blocked in the stopper section of described centre bore one end, the outer diameter of the sealing is adapted with the internal diameter of the centre bore, the sealing Portion outer surface is circumferentially distributed multiple air channels.

Further, the fixing sleeve includes central part and is connected to the central part and is fixed on the outside of the shield Tapered portion, the centre bore is set in the central part, the internal diameter of the tapered portion from centre bore to the shield on the outside of by Cumulative big, the stopper section is matched with the tapered portion.

Further, the sealing element further includes set on the sealing ring between the sealing and the stopper section.

Further, the anti-smog device further includes return unit and the baffle that connect with the sealing element, the reset Part is held between the shield and the baffle.

Further, the anti-smog device further includes being set on the outside of the shield and for detecting the shield external temperature With the detection piece of humidity, and it is electrically connected to the circuit board of the detection piece, the actuator and the circuit board electrical connection.

The utility model embodiment additionally provides a kind of shield, including above-mentioned anti-smog device.

The utility model embodiment additionally provides a kind of picture pick-up device, including above-mentioned shield.

The beneficial effect of anti-smog device provided by the utility model is: compared with prior art, the utility model provides Anti-smog device by the design of driving structure and sealing element, sealing element can be driven to turn on or off the blow vent of shield, Gas connection inside and outside shield prevents shield internal-external temperature difference excessive, realizes anti-fog function；Pass through the close of sealing element and blow vent simultaneously Envelope connection, avoiding ventilating for a long time influences the service life of shield interior video cameras and camera lens.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the front section view of anti-smog device normal operating conditions provided by the embodiment of the utility model；

Fig. 2 is the front section view of anti-smog device defogging state provided by the embodiment of the utility model；

Fig. 3 is the explosive view of anti-smog device provided by the embodiment of the utility model；

Fig. 4 is the schematic perspective view of the sealing element of anti-smog device provided by the embodiment of the utility model；

Fig. 5 is the schematic perspective view of the fixing sleeve of anti-smog device provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

11- shield；12- sealing element；14- fixing sleeve；15- return unit；16- baffle；17- detection piece；111- accommodating cavity； 112- blow vent；113- viewing window；114- pedestal；121- sealing；The stopper section 122-；123- air channel；124- sealing ring； 131- impeller；133- fastener；141- centre bore；142- tapered portion；143- central part.

Specific embodiment

In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.

It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element On one element or indirectly on another element.When an element is known as " being connected to " another element, it can To be directly to another element or be indirectly connected on another element.

It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

Also referring to Fig. 1 to Fig. 3, first anti-smog device provided by the utility model is illustrated.

Anti-smog device provided by the utility model includes sealing element 12 and driving structure.

Specifically, the blow vent 112 of sealing element 12 and shield 11 forms sealing cooperation；Driving structure is set in shield 11, Driving structure is connect with sealing element 12, for driving sealing element 12 to open or close blow vent 112.

Anti-smog device provided by the utility model passes through the design of driving structure and sealing element 12, can drive sealing element 12 The blow vent 112 of shield 11 is turned on or off, gas connection inside and outside shield 11 prevents 11 internal-external temperature difference of shield excessive, realizes Anti-fog function；The sealed connection for passing through sealing element 12 and blow vent 112 simultaneously, avoiding ventilating for a long time influences to take the photograph inside shield 11 The service life of camera and camera lens.

Specifically, in specific embodiment of the present utility model, which is set in shield 11,11 side of shield Viewing window 113 with the viewing window 113 observed, imaged for picture pick-up device, that is, shield 11.Shield 11, which has, to be held The equipment for setting chamber.Blow vent is arranged in 113 side of viewing window, and 112 communicate with the accommodating cavity 111.Shield 11 is monitoring system Critically important component in system is setting of using video camera under normal circumstances in the case where having dust, rainwater, high/low temperature etc. It is standby.But the anti-smog device is not limited to apply to shield 11, can also be applied to other field.Camera pan-tilt shield 11 only protects One kind of cover 11, shield 11 are not limited to the shield 11 of camera pan-tilt, or the pure shield 11 of individually placed video camera. Therefore, which can apply in the product of pure shield class, can also apply in the shield product of electric platform class.

Specifically, also referring to Fig. 1 and Fig. 3, in outdoor application, because weather problems lead to 11 internal-external temperature difference of shield When big, the viewing window 113 of shield 11 will appear water mist, and the anti-smog device of the utility model passes through the viewing window 113 in shield 11 The blow vent 112 of setting setting nearby, the sealing of sealing element 12 are matched on blow vent 112, and shield 11 is sealed by sealing element 12, The extraneous accommodating cavity 111 in shield 11 of isolation, at this point, shield 11 is in the state of sealing, that is, normal operating conditions, shield It is sealing under the normal operating conditions of cover 11, it is ensured that the sealing of the picture pick-up device in shield 11.

Specifically, which is also attached to driving structure, which is arranged in the accommodating cavity 111 of shield 11 Interior, when needing to carry out shield 11 to dehumidify or is antifog, driving structure drives 12 activity of sealing element, opens blow vent 113.At this point, the gas connection inside and outside shield 11, the temperature difference and psychrometric difference inside and outside shield 11 slowly reach minimum, eliminate shield 11 internal-external temperature differences are big and viewing window 113 is caused the case where water mist occur.After completing defogging, driving structure drives sealing element 12 Activity closes the blow vent 112, reaches the state of seal operation.Therefore, sealing element 12 can turn on or off the blow vent 112, it can the normal operating conditions and defogging working condition of switching shield 11 as needed.Meanwhile because sealing element 12 is close It seals blow vent 112 and will not influence the service life of 11 interior video cameras of shield and camera lens without ventilating for a long time.

Further, as specific embodiment of the present utility model, driving structure is driven by manual or power device. User can drive the driving structure that sealing element 12 is pushed to open with needs by manual or power device as the case may be Or close blow vent 112.

Further, referring to Fig. 3, as specific embodiment of the present utility model, driving structure includes impeller 131 With actuator (not shown), impeller 131 is connect with sealing element 12, and actuator is connected to impeller 131 and pushes for driving Part 131 moves, and 131 movement progress sealing element 12 of impeller opens or closes blow vent 112 and carries out defogging or sealing.

Specifically, impeller 131 is push rod structure or other can connect and the sealing element 12 is pushed to move Pushing structure.Pedestal 114 is additionally provided in shield 11, which is fixed on an inner sidewall of shield 11, and pedestal 114 has There is sliding slot (not shown), impeller 131 slides in sliding slot, and sliding slot is used to fix and limit the movement side of the impeller 131 To realization impeller 131 can only be moved repeatedly on direction of the impeller 131 with the connecting line of sealing element 12, that is, be beaten On or off closes blow vent.

Specifically, impeller 131 is connect with sealing element 12, specially impeller by fastener 133 or welding etc. its The mode that he can consolidate is connected to one end of sealing element 12, and when realizing that impeller 131 pushes sealing element 12, sealing element 12 can Firm is moved along same direction.

Further, please refer to figs. 2 and 3 together, and as specific embodiment of the present utility model, anti-smog device is also wrapped Fixing sleeve 14 is included, for fixing sleeve 14 through being fixed in blow vent 112, fixing sleeve 14 has centre bore 141, and impeller 131 pushes Sealing element is active in fixing sleeve 12, openable or blocks central aperture 141.Specifically, fixing sleeve 12 is mostly copper sheathing, with higher Intensity and preferable wearability, the ability for just looking at oxidation is also preferable, suitable for sealing, while reducing because of sealing element 12 Shield 11 is hit when opening and closing blow vent 112 and the bring that rubs is damaged, improves the durability of shield 11.

Further, referring to Figure 2 together and Fig. 4, as specific embodiment of the present utility model, sealing element includes living It moving in the sealing 121 in centre bore, and is connected to the stopper section 122 of sealing one end, sealing 121 is rod-like structure, Through in centre bore 141, and the outer diameter of sealing 121 is adapted with the internal diameter of centre bore 141；Stopper section 122 is used for when close Backstop lives one end of centre bore 141 when 12 closing center hole 141 of sealing, so that shield 11 becomes sealing state.Sealing 121 Outer surface is circumferentially distributed air channel 123, and the quantity of the air channel 123 in the present embodiment is 6, for stopping when sealing element 12 When stopper 122 opens centre bore 141, even if sealing 121 also extends through in centre bore 141, but air channel 123 can be passed through The gas connection inside and outside shield 11 is carried out, achievees the purpose that defogging.For the particular number and distribution situation of air channel 123, The utility model does not make restriction, but the specific embodiment optimal as the utility model, air channel 123 are circumferentially equal On the even outer surface for being distributed in sealing 121, quantity is at least 2, maximumlly realizes the inside and outside connection of gas.

Further, referring to Fig. 5, as specific embodiment of the present utility model, fixing sleeve 14 includes central part 143 And it is connected to the tapered portion 142 of the central part 143, which is set on the center in central part 143, in this For center portion 143 through being fixed in blow vent 112, the outer diameter of central part 143 is equal with the internal diameter of venthole 112；The tapered portion 142 It is fixed on the outside of shield 11, it is the hole of conical by its shape, the internal diameter of tapered portion 142 that the internal diameter of tapered portion 142, which is conical distribution, It is gradually increased on the outside of from centre bore 141 to shield 11, stopper section 122 is matched with tapered portion 142.On or off is beaten in stopper section 122 Centre bore 141 is closed, specifically, stopper section outside 122 matches the inside for being sealed in tapered portion 142, or opens the tapered portion 142, it is maximumlly sealed in order to which stopper section 122 is arranged with fixing sleeve 14, the outside of setting stopper section 122 is taper knot Structure, the outer diameter of stopper section are adapted in tapered portion 142.

Further, referring to Fig. 4, as specific embodiment of the present utility model, sealing element 12 further includes set on close Sealing ring 124 between envelope portion 121 and stopper section 122, which is waterproof grommet 124, for working as sealing element 12 When closing center hole 141, for sealing 121 through centre bore 141, stopper section 122 is adapted backstop on the inside of tapered portion 142, Sealing ring 124 is set between stopper section 122 and sealing 121, and is sheathed on the outer circumferential of sealing 121, further It is sealed on the outer ledge of centre bore 141, for preferably to being sealed inside shield 11.

Further, Fig. 2 and Fig. 3 is please consulted together, and as specific embodiment of the present utility model, anti-smog device is also wrapped Include return unit 15 and baffle 16, baffle 16 is fixed on sealing element 12 and to the vertical direction of 12 direction of motion of sealing element Upper extension, return unit 15 are held on the extended surface of shield 11 and baffle 16, the direction of motion and the sealing element 12 of return unit 15 The direction of motion is consistent.Return unit 15 in the utility model embodiment is reset spring 15, is also possible to other and is able to carry out prolong The resetting structure stretching movement and capable of automatically reseting.Specifically, when sealing element 12 by impeller 131 push open centre bore 141 into When row ventilation work, baffle 16 follows the motion compresses return unit 15 of sealing element 12 between baffle 16 and shield 11, return unit 15 are in compressive state, and sealing ring 124 at this time is ineffective；When completing ventilation work, actuator drives sealing element 12 to close Centre bore 141 is closed, return unit 15 carries out reset activity and squeezes baffle 16, and baffle 16 is fixed on sealing element 12, band dynamic seal 12 carry out reset work, therefore drive stopper section 122 to be adapted and be sealed in 142 inside of tapered portion, and sealing ring 124 is sealed in center 141 inner sidewall of hole, shield 11 reach sealing state, it is ensured that completely isolated inside and outside shield 11.

Further, referring to Fig. 3, as specific embodiment of the present utility model, anti-smog device further includes being set to shield The detection piece 17 and the circuit board inside shield 11 in 11 outside of cover, detection piece 17 are electrically connected to circuit board, circuit board connection In actuator, detect mainly for detection of 11 external temperature of shield and humidity.Detection piece 17 in the utility model embodiment is Sensor 17 first sets a preset temperature and humidity threshold, when to detect that extraneous temperature and humidity meets this pre- for sensor 17 If when threshold value, that is, meeting condition, triggering actuator driving impeller 131 pushes sealing element 12 to turn on or off centre bore 141. The detection piece 17 is set to 11 outside of shield close to viewing window 113 and the setting on one end of blow vent 112, position, is used for More accurately detect the convenience of the temperature and humidity and wiring near viewing window 113.

Specifically, driving structure is driven by manual or power device, is driven the above are detection and by power device Mode, manually mode is the fog to detect by an unaided eye above viewing window 113, or passes through the picture pick-up device inside shield 11 Fog on viewing window 113 is identified, when finding that viewing window 113 has fog, actuator can be triggered manually Drive impeller 131 that sealing element 12 is pushed to work.

Anti-smog device provided by the utility model passes through the design of driving structure and sealing element 12, can be extraneous by detection Temperature and humidity, or detection fog situation, triggering driving structure driving sealing element 12 turn on or off the ventilation of shield 11 Mouthful, the cooperation of return unit 15 and baffle 16 compresses sealing element 12, makes 11 normal operating conditions lower seal 124 of shield and backstop Portion 122 compresses be sealed in centre bore 141 simultaneously, realizes completely isolated inside and outside shield 11；When detection meets defogging condition, drive Moving part drives impeller 131 to open centre bore 141, and sealing ring 124 is ineffective at this time, and return unit 15 is in compressive state, close The sealing 121 of sealing 12 realizes gas connection inside and outside shield 11 by air channel 123, reaches the mesh for excluding inner moisture 's；Simultaneously by the sealed connection of sealing element 12 and blow vent 112, avoid ventilating for a long time influence 11 interior video cameras of shield and The service life of camera lens.

The utility model embodiment additionally provides a kind of shield 11, including anti-smog device.

Specifically, holder is the support equipment of installation, fixed video camera, it, which is divided into, fixes and two kinds of electric platform.It is fixed Holder is adapted to monitor for the little situation of range, can adjust the level of video camera after video camera is installed on fixed holder and bows The angle faced upward, as long as locking adjustment mechanism after reaching best operating attitude；Electric platform is suitable for a wide range of It is scanned monitoring, it can expand the monitoring range of video camera.Electric platform high speed posture be by two operating motors Lai It realizes, motor receives the signal from controller and accurately runs positioning.Under the influence of control signals, the camera shooting on holder Machine both can automatically scanning monitor area, object can also be traced and monitored under the manipulation of monitoring personnel.Shield is provided with above holder 11, for using video camera under normal circumstances in the case where having dust, rainwater, high/low temperature etc..

In another embodiment of the utility model, shield 11 can also be exclusive use do not need be mounted on cloud Shield 11 on platform, but it is not limited to the shield 11.

Shield 11 can drive sealing element by the design of driving structure and sealing element 12 including above-mentioned anti-smog device 12 turn on or off the blow vent 112 of shield 11, and gas connection inside and outside shield 11 prevents 11 internal-external temperature difference of shield excessive；Cause This, which can be realized anti-fog function, while pass through the sealed connection of sealing element 12 and blow vent 112, avoid for a long time Ventilation influences the service life of 11 interior video cameras of shield and camera lens.

The utility model embodiment additionally provides a kind of picture pick-up device, including shield 11.

Specifically, which is mainly used for carrying out and assisting the work imaged, including video camera, video camera Camera lens and holder, but not limited to this.Picture pick-up device further includes above-mentioned shield 11, can be realized anti-fog function, and because antifog Function makes the service life of the video camera and camera lens not to be affected because of prolonged ventilation.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (6)

1. anti-smog device is applied to shield characterized by comprising

Sealing element forms sealing cooperation with the blow vent of the shield；

Driving structure is set in the shield and connect with the sealing element, for driving the sealing element to open or close institute State blow vent；

The driving structure is driven by manual or power device；

The driving structure includes connecting with the sealing element and being used to that the sealing element to be pushed to open or close the blow vent Impeller, and the actuator for driving the impeller；

The anti-smog device further includes the fixing sleeve being installed on the blow vent, and the fixing sleeve has centre bore, described close Sealing is openable or closes the centre bore；

The sealing element includes the sealing being movably arranged in the centre bore, connect with the sealing and can backstop in described The stopper section of centre bore one end, and the sealing ring between the sealing and the stopper section, the sealing it is outer Diameter is adapted with the internal diameter of the centre bore, and the sealing outer surface is circumferentially distributed multiple air channels.

2. anti-smog device as described in claim 1, which is characterized in that the fixing sleeve includes central part and is connected to described Central part and the tapered portion being fixed on the outside of the shield, the centre bore be set to the central part in, the tapered portion it is interior Diameter is gradually increased from centre bore to the shield outside, and the stopper section is matched with the tapered portion.

3. anti-smog device as described in claim 1, which is characterized in that further include return unit and connect with the sealing element Baffle, the return unit are held between the shield and the baffle.

4. anti-smog device as described in claim 1, which is characterized in that further include being set on the outside of the shield and for detecting institute State the detection piece of shield external temperature and humidity, and be electrically connected to the circuit board of the detection piece, the actuator with it is described Circuit board electrical connection.

5. shield, which is characterized in that including anti-smog device according to any one of claims 1-4.

6. picture pick-up device, which is characterized in that including shield as claimed in claim 5.