CN219715905U - Defogging window and image acquisition equipment - Google Patents

Abstract

A defogging window comprises a transparent substrate, a controller, a first wire set, a second wire set and at least two heating pieces, wherein the two heating pieces are connected to the transparent substrate in a heat conduction way; the first wire set comprises at least two first wires, and the second wire set comprises at least one second wire; the two connecting ends of each heating element are respectively and electrically connected with the controller through a first wire and a second wire; the controller can control the on-off of the two first wires and the two second wires respectively, so that at least one of the two heating elements is selectively controlled to generate heat and transfer heat to the transparent substrate. So set up, not only can avoid the uneven problem of temperature distribution, improve heating efficiency, reduce consumption and heater operating time simultaneously, in addition, can realize the heating of specific piece that generates heat through the control of controller, efficient, the consumption is low, and simultaneously, the inefficacy of single piece that generates heat can not influence other normal work that generates heat, has improved the fault-tolerant rate that defogging window was in use.

Description

Defogging window and image acquisition equipment

Technical Field

The utility model relates to the technical field of defogging of cameras, in particular to a defogging window and image acquisition equipment.

Background

Along with the development of camera defogging technique, window heating defogging technique has appeared, and this kind of technique is mainly through the surface temperature evaporation steam of increase window to reach the effect of defogging. The main stream heating and demisting methods in the traditional technology are a hot air fan method, a coating film and a direct pad printing process heating scheme, and the traditional methods achieve the demisting effect by heating the whole window. However, the traditional technology is adopted to heat and defog on windows with larger sizes, the heating cost is high, and a region with a considerable area and no need of heating and defogging exists on the window.

Disclosure of Invention

Based on this, it is necessary to provide a defogging window and an image capturing device.

A defogging window comprises a transparent substrate, a controller, a first lead set, a second lead set and at least two heating pieces, wherein the two heating pieces are connected with the transparent substrate in a heat conduction way; the first wire set comprises at least two first wires, and the second wire set comprises at least one second wire; the two connecting ends of each heating element are respectively and electrically connected with the controller through the first lead and the second lead; the controller can respectively control the on-off of the two first wires and the second wires, so that at least one of the two heating elements is selectively controlled to generate heat and transfer heat to the transparent substrate.

So set up, not only can avoid the uneven problem of temperature distribution, improve heating efficiency, reduce consumption and heater operating time simultaneously, in addition, can realize the heating of part that generates heat through the control of controller to carry out local defogging, efficient, the consumption is low, simultaneously, the inefficacy of single piece that generates heat can not influence other normal work that generates heat, has improved the fault-tolerant rate that defogging window was in use.

In one embodiment, the defogging window further comprises an inductor, the inductor is in communication connection with the controller, the inductor is used for sensing a defogging position on the defogging window, and the controller is used for controlling adjacent heating elements to generate heat according to the defogging position.

So set up, the fog position on the fog window of inductor can auto-induction, and the controller is heated according to the nearby piece that generates heat of fog position call, and the defogging is accurate rapid, guarantees the normal use of equipment.

In one embodiment, the first wire is disposed orthogonal to the second wire.

So set up, first wire and second wire printing are convenient, and the circuit is regular, and the piece that generates heat also can be according to the array setting, is convenient for generate heat the piece and lay.

In one embodiment, the defogging window further comprises a third wire, the first wire and the second wire are both arranged on the transparent substrate, the third wire is arranged outside the transparent substrate, the first wire and the second wire are respectively connected with the controller through the third wire, the first wire and the second wire are printed conductive lines, and the third wire is a conductive cable.

So set up, because first wire and second wire are printed conductive line, fixed setting in transparent substrate avoids receiving external interference and leads to first wire or second wire to rock and misplace, and the third wire adopts the conductive cable for the controller can set up outside transparent substrate, and the position of controller can movable adjustment, has made things convenient for the maintenance replacement of controller.

In one embodiment, the distance between two adjacent first wires is 5cm-15cm, and the distance between two adjacent second wires is 5cm-15cm.

So set up, can enough guarantee the heating range of piece that generates heat and cover whole window, also avoid also having practiced thrift the cost because the wiring of first wire and second wire is too close increases the installation degree of difficulty simultaneously.

In one embodiment, the first wire, the second wire and the third wire all adopt conductive silver paste or conductive copper paste as conductive materials.

The arrangement is beneficial to the arrangement of the flat cables of the first wire, the second wire and the third wire due to the good conductivity of the conductive silver paste and the adjustable shape, and the flat cables are adhered to the transparent substrate for arrangement, so that the additional cost of fixing the wires is reduced.

In one embodiment, the printing thickness of the first wire and the second wire is 20-30um, and the printing width is 10-50um.

So set up, the wire is fixed in on the transparent substrate through the mode of printing, and processing production is convenient, is favorable to mass production in order to reduce cost, and printing thickness and the width of electrically conductive silver thick liquid are the micron level, and the area is little, hardly occupies the area of admitting light of window, so can ensure the quality of equipment formation of image.

In one embodiment, the defogging window further comprises an anti-oxidation coating, wherein the anti-oxidation coating uniformly encapsulates the first wire and the second wire.

So set up, be favorable to protecting the wire, slow down the oxidation rate of electrically conductive silver thick liquid, improve the life of defogging window.

In one embodiment, the defogging window further comprises a protective layer, and the protective layer covers the heating element and is fixedly connected with the transparent substrate.

The protective layer is fixedly connected with the transparent substrate, so that the lead and the heating element can be prevented from falling off from the transparent substrate, and the protective layer can also prevent the transparent substrate from being scratched in use.

In one embodiment, the number of the controllers is two, and the two controllers are arranged on the defogging window along the diagonal direction.

So set up, carry out the scope through two controllers and divide the piece that generates heat, realize the accurate control of defogging window local heating, be favorable to quick defogging, reduce the consumption that generates heat.

An image acquisition device comprising a defogging window as described above.

Drawings

Fig. 1 is a schematic structural diagram of an image capturing device according to an embodiment of the present utility model;

FIG. 2 is a schematic illustration of a surface layering of a demister window shown in one embodiment;

FIG. 3 is a schematic view of a demisting window according to an embodiment;

FIG. 4 is a schematic diagram of an operating current loop of the localized heat generating component of FIG. 3;

FIG. 5 is an enlarged view of a portion of the X portion of FIG. 4;

FIG. 6 is a schematic view of a demisting window according to another embodiment of the utility model.

Reference numerals:

100. a defogging window; 10. a transparent substrate; 20. a controller; 21. a first controller; 22. a second controller; 30. a heating layer; 31. a first wire set; 311. a first wire; 32. a second wire set; 321. a second wire; 33. a heat generating member; 34. a third wire; 40. a protective layer; 200. an image acquisition device.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an image capturing apparatus 200 according to an embodiment of the present utility model, and fig. 2 is a schematic structural diagram of a surface layering of a defogging window 100 according to an embodiment of the present utility model.

A defogging window 100 comprises a transparent substrate 10, a controller 20 and a heating layer 30, wherein the defogging window 100 controls the heating layer 30 to heat through the controller 20 so as to increase the temperature of the transparent substrate 10, thereby achieving the defogging effect.

The traditional method achieves the demisting effect by heating the whole window, however, the traditional technology is adopted on the window with larger size to heat the demisting, the heating cost is high, a region with a considerable area and without heating the demisting exists on the window, and if the whole window is heated, the ineffective power consumption is increased, and the demisting efficiency is reduced.

Based on this, it is necessary to provide a defogging window 100 and an image capturing apparatus 200.

Referring to fig. 3, fig. 3 is a schematic diagram illustrating a demisting window 100 according to an embodiment.

A defogging window comprises a transparent substrate 10, a controller 20, a first lead set 31, a second lead set 32 and at least two heating elements 33, wherein the two heating elements 33 are connected with the transparent substrate 10 in a heat conduction way; the first wire set 31 includes at least two first wires 311, and the second wire set 32 includes at least one second wire 321; the two connection ends of each heating element 33 are respectively and electrically connected to the controller 20 through the first conductive wire 311 and the second conductive wire 321; the controller 20 can control the on-off of the two first wires 311 and the second wires 321, so as to selectively control at least one of the two heating elements 33 to generate heat and transfer heat to the transparent substrate 10.

So set up, not only can avoid the uneven problem of temperature distribution, improve heating efficiency, reduce consumption and heater operating time simultaneously, in addition, can realize heating element 33 fixed point heating through the control of controller 20, carry out local defogging, efficient, the consumption is low, and the reliability is higher, simultaneously, the inefficacy of single heating element 33 can not influence other heating element 33's normal work, has improved defogging window 100 in-use fault-tolerant rate.

Alternatively, in one embodiment, part of the heat generating elements 33 may be replaced by a heat generating set (not shown), where the heat generating set includes at least two heat generating elements 33, and the heat generating elements 33 in the heat generating set may be disposed in series or parallel.

So set up, through with the part piece that generates heat 33 replace the group that generates heat make controller 20 can control a plurality of pieces that generate heat 33 simultaneously for defogging window 100 can fixed point heating or combination heating, the mode of use is more nimble.

Optionally, in one embodiment, the defogging window 100 further comprises a sensor (not shown) communicatively coupled to the controller 20, the sensor being configured to sense a fogging position of the defogging window 100, and the controller 20 being configured to control the heating element 33 to generate heat in response to the fogging position.

So set up, the inductor can the fog position on the automatic induction defogging window 100, and the controller 20 is according to the adjacent heating element 33 of fog position call heating, and the defogging is accurate rapid, guarantees the normal use of equipment.

It will be appreciated that in other embodiments, the defogging window 100 may not be provided with a sensor, and the defogging region is manually selected according to the defogging position, and the controller 20 controls the heating element 33 of the defogging region to heat the transparent substrate 10.

Alternatively, in one embodiment, the first conductive line 311 is disposed orthogonal to the second conductive line 321.

Thus, the first conductive wire 311 and the second conductive wire 321 are printed conveniently, and the heating elements 33 can be arranged according to an array, so that the controller 20 can select the heating window of the heating elements 33 conveniently.

It is understood that in other embodiments, the first wire set 31 and the second wire set 32 may be arranged in a diamond mesh, a circular mesh, or a polygonal mesh, so long as an electrical circuit is formed between the heat generating element 33 and the controller 20.

Optionally, in one embodiment, the defogging window 100 further includes a third wire 34, the first wire 311 and the second wire 321 are disposed on the transparent substrate 10, the third wire 34 is disposed outside the transparent substrate 10, the first wire 311 and the second wire 321 are respectively connected to the controller 20 through the third wire 34, the first wire 311 and the second wire 321 are printed conductive lines, and the third wire 34 is a conductive cable.

So set up, because first wire 311 and second wire 321 are printed conductive line, can't adjust easily after the printing finishes, and third wire 34 adopts the conductive cable for controller 20 can set up outside transparent substrate 10, and the position of controller 20 can movable adjustment, has made things convenient for the maintenance replacement of controller 20.

It is understood that in other embodiments, the third wire 34 may not be provided, the controller 20 is fixed on the transparent substrate 10, and the first wire 311 and the second wire 321 are directly electrically connected to the controller 20.

Alternatively, in one embodiment, the distance between two adjacent first conductive lines 311 is 5cm to 15cm, and the distance between two adjacent second conductive lines 321 is 5cm to 15cm.

So set up, can enough guarantee the heating range of piece 33 that generates heat covers whole window, also avoid increasing the installation degree of difficulty because the wiring of first wire 311 and second wire 321 is too close, also practiced thrift the cost simultaneously.

It is understood that in other embodiments, the spacing between adjacent first conductive lines 311 or the spacing between adjacent second conductive lines 321 may be less than 5cm or greater than 15cm.

Referring to fig. 4 and 5, fig. 4 is a circuit diagram of the operating current of the local heating element 33 shown in fig. 3, and fig. 5 is a partial enlarged view of the X portion in fig. 4. In fig. 4, 16 heat generating elements 33 are sequentially arranged, and the number of the first conductive wires 311 and the number of the second conductive wires 321 are 4. When the sensor senses that fog appears near the heating element 33 at the 11 th position, the controller 20 is connected with the two third wires 34 at the +2 position and the-3 position, the first wire 311, the second wire 321, the third wire 34 at the +2 position and the-3 position at the 11 th position, the heating element 33 and the controller 20 form an electric loop together, and the heating element 33 heats and demists the transparent substrate 10.

Alternatively, in one embodiment, the first conductive wire 311 and the second conductive wire 321 each use conductive silver paste or conductive copper paste as the conductive material.

So set up, because the conductive silver thick liquid's conductive property is good, the shape is adjustable, is favorable to the winding displacement arrangement of first wire 311 and second wire 321, and paste in transparent substrate 10, has reduced the additional cost of fixed wire.

It is understood that in other embodiments, the materials of the first conductive lines 311 and the second conductive lines 321 may be other materials with good electrical conductivity, so long as the first conductive lines 311 and the second conductive lines 321 can be printed on the transparent substrate 10.

In one embodiment, the printed thickness of the first conductive line 311 and the second conductive line 321 is 10-50um; the printing width is 20-30um.

So set up, the wire is fixed in on the transparent substrate 10 through the mode of printing, and processing production is convenient, is favorable to mass production in order to reduce cost, and printing thickness and the width of first wire 311 and second wire 321 are the micron order, and the area is little, hardly occupies the area of admitting light of window, so can ensure the quality of equipment formation of image.

It is understood that the printed widths or thicknesses of the first conductive lines 311 and the second conductive lines 321 may be other values as long as the smoothness and light-entering effect of the circuit in actual use are not affected.

Optionally, in one embodiment, the defogging window 100 further includes an anti-oxidation coating, and the anti-oxidation coating uniformly encapsulates the first conductive wire 311 and the second conductive wire 321.

The arrangement is beneficial to protecting the first wire 311 and the second wire 321, slowing down the oxidation speed of the conductive silver paste and prolonging the service life of the defogging window 100.

Optionally, in one embodiment, the defogging window 100 further includes a protective layer 40, where the protective layer 40 covers the heat generating element 33 and is fixedly connected to the transparent substrate 10.

By the arrangement, the protective layer 40 is fixedly connected with the transparent substrate 10, the first conducting wire 311, the second conducting wire 321 and the heating element 33 can be prevented from falling off from the transparent substrate 10, and meanwhile, the protective layer 40 can also prevent the transparent substrate 10 from being scratched in use.

It is understood that in other embodiments, the defogging window 100 may not be provided with the protective layer 40.

By the arrangement, the light inlet quantity of the lens can be increased, light interference between light-transmitting layers is reduced, and image quality is improved.

Referring to fig. 6, fig. 6 is a schematic view of a demisting window 100 according to another embodiment of the utility model.

Optionally, in one embodiment, the number of the controllers 20 is two, and the two controllers 20 are disposed in the defogging window 100 along a diagonal direction, where the controllers 20 include a first controller 21 controller 20 and a second controller 22 controller 20, and the defogging window 100 selectively calls the first controller 21 controller 20 or the second controller 22 controller 20 through a defogging position identified by a sensor (not shown).

So set up, carry out the scope through two controllers 20 to the piece 33 that generates heat and divide, realize the accurate control of defogging window 100 local heating, be favorable to quick defogging, reduce the consumption that generates heat.

It is understood that in other embodiments, the number of the controllers 20 may be greater than two, so long as the first conductive lines 311 and the second conductive lines 321 can be connected to the controllers 20.

An image capture device 200 includes a defogging window 100 as described above.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The defogging window is characterized in that the defogging window (100) comprises a transparent substrate (10), a controller (20), a first lead group (31), a second lead group (32) and at least two heating elements (33), and the two heating elements (33) are both connected with the transparent substrate (10) in a heat conduction mode; the first wire set (31) comprises at least two first wires (311), and the second wire set (32) comprises at least one second wire (321); the two connecting ends of each heating element (33) are respectively and electrically connected to the controller (20) through the first lead (311) and the second lead (321); the controller (20) can respectively control the on-off of the two first wires (311) and the two second wires (321), so as to selectively control at least one of the two heating elements (33) to generate heat and transfer heat to the transparent substrate (10).

2. The defogging window of claim 1, wherein said defogging window (100) further comprises a sensor communicatively coupled to said controller (20), said sensor being adapted to sense a defogging position on said defogging window (100), said controller (20) being adapted to control said adjacent heat generating elements (33) to generate heat in response to said defogging position.

3. The defogging window of claim 1, wherein said first conductive line (311) is disposed orthogonally to said second conductive line (321).

4. The defogging window according to claim 3, wherein said defogging window (100) further comprises a third wire (34), said first wire (311) and said second wire (321) are both arranged on said transparent substrate (10), said third wire (34) is arranged outside said transparent substrate (10), said first wire (311) and said second wire (321) are respectively connected with said controller (20) through said third wire (34), said first wire (311) and said second wire (321) are printed conductive wires, and said third wire (34) is a conductive cable.

5. A defogging window according to claim 3, characterized in that the distance between two adjacent first wires (311) is between 5cm and 15cm; and/or the number of the groups of groups,

the distance between two adjacent second wires (321) is 5cm-15cm.

6. The defogging window of claim 4, wherein said first wire (311) and said second wire (321) are comprised of conductive silver paste and/or conductive copper paste as conductive material.

7. The defogging window of claim 6, wherein said first conductive line (311), said second conductive line (321) and said third conductive line (34) have a printed thickness of 20-30um; the printing width is 10-50um.

8. The defogging window of claim 4, wherein said defogging window (100) further comprises an anti-oxidation coating, said anti-oxidation coating covering said first wire (311) and said second wire (321); and/or the number of the groups of groups,

the defogging window (100) further comprises a protective layer (40), and the protective layer (40) covers the heating element (33) and is fixedly connected with the transparent substrate (10).

9. The defogging window according to claim 1, wherein the number of said controllers (20) is two, and wherein two of said controllers (20) are connected to said first conductor set (31) and said second conductor set (32) respectively along a diagonal direction.

10. An image acquisition device, characterized in that the image acquisition device (200) comprises a defogging window (100) according to any of the claims 1-9.