CN211261055U - Electric control box and window type air conditioner - Google Patents

Abstract

The utility model discloses an automatically controlled box and window formula air conditioner. The electric control box comprises a box body and an electric control plate. The box body comprises a bottom plate and a box cover matched and covered with the bottom plate, and the box cover comprises an outer-layer metal box cover and an inner-layer plastic box cover; the electric control board is arranged on the bottom board. Wherein, be equipped with the main cavity body on the inlayer plastics lid, the main cavity body is applicable to the confession component holding on the automatically controlled board, the lateral wall of the main cavity body with the interval is formed with the heat dissipation space between the outer metal lid, the lateral wall of the main cavity body still link up be equipped with the louvre that the heat dissipation space corresponds. The utility model discloses a window formula air conditioner can strengthen the radiating effect of automatically controlled box, in order to reduce the inside condition of burning out electrical components because of the high temperature of automatically controlled box appears.

Description

Electric control box and window type air conditioner

Technical Field

The utility model relates to an air conditioner technical field, in particular to automatically controlled box and window formula air conditioner.

Background

In the related art, a window type air conditioner is installed at a window of a wall body to cool or heat an indoor environment. Be provided with automatically controlled board in the box body of automatically controlled box, this automatically controlled board can produce more heat at the during operation. The heat is accumulated in the electric control box, which easily causes the over-high temperature in the electric control box to burn out the electric control elements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a window formula air conditioner aims at strengthening the radiating effect of automatically controlled box, in order to reduce the inside condition of burning out electrical components because of the high temperature of automatically controlled box appears.

In order to achieve the above object, the utility model provides an automatically controlled box reaches including automatically controlled box's window formula air conditioner, automatically controlled box includes box body and automatically controlled board. The box body comprises a bottom plate and a box cover matched and covered with the bottom plate, and the box cover comprises an outer-layer metal box cover and an inner-layer plastic box cover; the electric control board is arranged on the bottom board. Wherein, be equipped with the main cavity body on the inlayer plastics lid, the main cavity body is applicable to the confession component holding on the automatically controlled board, the lateral wall of the main cavity body with the interval is formed with the heat dissipation space between the outer metal lid, the lateral wall of the main cavity body still link up be equipped with the louvre that the heat dissipation space corresponds.

Optionally, the periphery of the heat dissipation hole is provided with a water retaining coaming in a protruding manner, and the surface of the water retaining coaming is arranged in a downward inclined manner from the inner side of the heat dissipation hole to the outer side of the heat dissipation hole.

Optionally, an included angle formed by the plate surface of the water baffle fence and the horizontal plane is not less than 15 degrees and not more than 50 degrees.

Optionally, two ends of the water baffle coaming are convexly provided with supporting protrusions, and the supporting protrusions are suitable for abutting against the side wall of the outer-layer metal box cover.

Optionally, the bottom of the inner plastic box cover is arranged in a notch at one end corresponding to the main cavity, so that a notch for the wire to penetrate out of the electric control box is formed at the notch, and a water baffle is formed at a corner between the notch and the side wall of the main cavity.

Optionally, the outer metal box cover is configured with an angle cover plate at a position corresponding to the corner, and a drainage gap is formed on the angle cover plate and is suitable for draining water flowing down from the water baffle.

Optionally, the corner cover plate includes a bottom side plate and a side plate connected to one end of the bottom side plate, the side plate is turned upward and connected to the side plate of the outer-layer metal box cover, and the drainage gap is formed at a turning position between the bottom side plate and the side plate.

Optionally, the number of the heat dissipation holes is multiple, the heat dissipation holes are arranged in a long strip shape, and the heat dissipation holes are arranged at intervals from top to bottom.

Optionally, the side wall of the outer metal box cover covers the heat dissipation hole in the inner plastic box cover.

Optionally, the window type air conditioner comprises a chassis, a casing, an outdoor fan and an electric control box. The shell is arranged on the chassis, a separating groove for the shielding piece at the window to extend into is formed in the shell, and the shell is divided into an indoor side shell and an outdoor side shell by the separating groove; the outdoor fan is arranged on the outdoor side shell; the electric control box is arranged in the outdoor shell and is vertically arranged, and the electric control box corresponds to the air inlet side of the outdoor fan.

Optionally, the window type air conditioner further comprises a sealing element movably arranged in the separation groove, and the sealing element is suitable for being switched between a storage state and an operating state through moving; wherein: in the accommodated state, the seal is accommodated in the separation groove; in the working state, the sealing element extends laterally from the separating groove and is suitable for being abutted by the shielding element and/or the inner wall of the window.

The technical scheme of the utility model, through the lateral wall of the main cavity body with the interval is formed with the heat dissipation space between the outer metal lid, and the lateral wall of the main cavity body still run through be equipped with the louvre that the heat dissipation space corresponds to make automatically controlled board can directly radiate the heat to outer metal lid radiant heat through this louvre, heat dissipation clearance, outwards radiate away through outer metal lid at last. And the existence of the heat dissipation gap can enable air to flow in the heat dissipation gap, so that the transmission of heat in the main cavity to the outer-layer metal box cover is accelerated, and the heat dissipation efficiency is effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a window type air conditioner according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the window air conditioner of FIG. 1;

fig. 3 is a schematic view of an embodiment of the electric control box of the present invention;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a schematic view of the electric control box in fig. 3 with an outer metal box cover removed;

FIG. 6 is an enlarged view at B in FIG. 5;

FIG. 7 is a rear view of the inner plastic lid of FIG. 5;

FIG. 8 is an enlarged view at C of FIG. 7;

FIG. 9 is an exploded view of the case of the electrical control box of FIG. 3;

FIG. 10 is a schematic view of the base plate of FIG. 9 assembled with the electronic control assembly;

fig. 11 is a structural view of the inner plastic cover of fig. 9;

fig. 12 is a schematic structural view of another embodiment of the window type air conditioner of the present invention, wherein the sealing member is in a storage state;

fig. 13 is a schematic view illustrating a sealing member of the window type air conditioner of fig. 12 switched to an operating state.

The reference numbers illustrate:

the purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 and 2, the present invention provides an embodiment of an electrical control box 200, which is suitable for being installed in an electrical apparatus as an electrical control device. For example, the electrical control box 200 may be applied to an air conditioner or other home appliances. The air conditioner may be a window type air conditioner 100 or a split type air conditioner. In the case of the window type air conditioner 100, the electrical control box 200 may be installed in an indoor side housing of the window type air conditioner 100, or may be installed in an outdoor side housing of the window type air conditioner 100. For the split type air conditioner, the electrical control box 200 can be installed in both indoor and outdoor units. In the following embodiments, the electric control box 200 is mainly applied to the window type air conditioner 100 as an example.

Referring to fig. 3, 5 and 9, in an embodiment of the electrical box 200 of the present invention, the electrical box 200 includes a box body 210 and an electrical control board 220. The box body 210 comprises a bottom plate 211 and a box cover 220 matched and covered with the bottom plate 211, the box cover 220 comprises an outer-layer metal box cover 500 and an inner-layer plastic box cover 600, and the electric control board 220 is installed on the bottom plate 211. The inner plastic box cover 600 is provided with a main cavity 601, the main cavity 601 is suitable for accommodating elements on the electric control board 220, heat dissipation gaps are formed between the side wall of the main cavity 601 and the outer metal box cover 500 at intervals, and heat dissipation holes 610 corresponding to the heat dissipation gaps are further arranged through the side wall of the main cavity 601.

Referring to fig. 9 to 11, specifically, the electric control components of the electric control box 200 include an electric control board 220, a reactor 230, a heat sink 240, and the like, which are installed in the box body 210. The electric control board 220 and the reactor 230 are mounted on the bottom plate 211 in the vertical direction, and the heat sink 240 is mounted on the electric control board 220. Wherein, the bottom plate 211 of the box body 210 comprises an outer metal bottom plate 300 and an inner plastic bottom plate 400.

That is, the case body 210 of the electrical control case 200 actually has an inner layer portion and an outer layer portion; wherein, the inner layer part consists of an inner layer plastic bottom plate 400 and an inner layer plastic box cover 600; the inner layer part is made of plastic materials, so that the manufacturing and forming are convenient, and the manufacturing cost is low. The outer layer part consists of the outer layer metal bottom plate 300 and the outer layer metal box cover 500; this outer part adopts the sheet metal component to make, can play the rust-resistant effect of fire prevention for automatically controlled box 200 has higher security performance. When assembling the electrical control box 200, the electrical control board 220 is first mounted on the bottom board 211; then, the cover 220 is closed to the bottom plate 211.

Due to the difference in material properties, the heat transfer efficiency of the inner plastic box cover 600 is less than that of the outer metal box cover 500. In the related art, if the heat dissipation holes 610 are not formed through the sidewall of the main cavity 601, the heat generated by the electrical control box 200 needs to be transferred to the inner plastic box cover 600, and then transferred to the outer metal box cover 500 through the inner plastic box cover 600, which results in poor heat dissipation efficiency.

The technical scheme of the utility model, through the lateral wall of the main cavity body 601 with the interval is formed with the heat dissipation space between the outer metal lid 500, and the lateral wall of the main cavity body 601 still run through be equipped with the louvre 610 that the heat dissipation space corresponds to make automatically controlled board 220 can directly radiate the heat to outer metal lid 500 radiant heat through this louvre 610, heat dissipation space, outwards radiate away through outer metal lid 500 at last. In addition, due to the existence of the heat dissipation gap, air can flow in the heat dissipation gap, so that the transmission of heat in the main cavity 601 to the outer-layer metal box cover 500 is accelerated, and the heat dissipation efficiency is effectively improved.

Referring to fig. 5 and 6, in an embodiment, the number of the heat dissipation holes 610 is multiple. The arrangement of the plurality of heat dissipation holes 610 may have various forms. For example, the plurality of louvers 610 are spaced in a front-to-back direction; alternatively, the heat dissipation holes 610 are arranged at intervals in the vertical direction. Specifically, the heat dissipation holes 610 are arranged at intervals in the vertical direction. The shape of the heat dissipation hole 610 is not limited herein. Such as but not limited to: the heat dissipation holes 610 may be circular holes, square holes, or elongated holes. Specifically, the heat dissipation hole 610 is a strip-shaped hole.

In order to prevent water in the external environment from entering the main cavity 601 of the inner plastic box cover 220 through the heat dissipation holes 610, the outer metal box cover 500 is required to cover a plurality of heat dissipation holes 610 on the inner plastic box cover 600. Therefore, water in the external environment can be prevented from entering the inner plastic box cover 220 from the heat dissipation holes 610, the electric control components in the electric control box 200 can be prevented from being exposed outside the box body 210, and the safety performance of the electric control box 200 is improved.

Referring to fig. 5 and 6, however, it is considered that moisture in the external environment may penetrate into the inside through the gaps at the tops of the outer metal bottom plate 300 and the outer metal box cover 500, and then enter the main cavity 601 through the heat dissipation holes 610, so that the electronic control board 220 is affected with moisture and fails. In order to avoid the above situation, a water retaining wall 620 is protruded laterally at the periphery of the heat dissipation hole 610, and the heat dissipation hole 610 is surrounded by the water retaining wall 620. For shielding the heat dissipation hole 610, and preventing water dropping on the upper side of the inner plastic case cover 600 from entering the heat dissipation hole 610.

Further, the face of manger plate bounding wall 620 sets up from inside to its outside downward sloping of louvre 610 to when on the lateral wall of the main cavity of water 601 in the external environment, sheltered from and guide by manger plate bounding wall 620 and in proper order the downward drippage, and then flow to the bottom of box body 210, discharge to chassis 110 from the gap of box body 210 bottom at last, thereby avoid the water droplet to enter into main cavity 601 from louvre 610 in, reduce automatically controlled board 220 and wet and the condition of trouble takes place.

Referring to fig. 7 and 8, the plate surface of the water blocking baffle 620 is inclined downward from the inner side of the heat dissipation hole 610 to the outer side thereof, so that an included angle is formed between the plate surface of the water blocking baffle 620 and the horizontal plane. Considering that if the included angle is larger, the water retaining coaming can shield the heat dissipation holes, so that the heat dissipation of the air dissipation holes is not facilitated; and if the included angle is too small, the downward water guiding effect of the water retaining coaming is not obvious.

In view of this, it is defined herein that the included angle between the plate surface of the water baffle 620 and the horizontal plane is not less than 15 ° and not more than 50 °. The angle may be, but is not limited to: 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 °, etc. By limiting the included angle within the range, the water retaining coaming 620 can not excessively shield the heat dissipation holes 610, and the heat dissipation holes 620 can be ensured to dissipate heat quickly; moreover, the water retaining wall 620 has a better slope, which can guide water downward well, so as to prevent water from entering the heat dissipation holes 610.

Referring to fig. 6 to 8, since the heat dissipation gap is formed between the sidewall of the main cavity 601 and the outer metal box cover 500, when the electronic control box 200 is used for a period of time or an external component is pressed onto the outer metal box cover 500, the outer metal box cover 500 may be deformed toward the heat dissipation gap. In view of this, the two ends of the water blocking surrounding plate 620 are convexly provided with the supporting protrusions 621, and the supporting protrusions 621 are adapted to abut against the side wall of the outer metal box cover 500 to support the side wall of the outer metal box cover 500, so that the side wall of the outer metal box cover 500 is not easily deformed toward the heat dissipation gap, and the integrity of the box body 210 of the electrical control box 200 is ensured.

Based on any one of the above embodiments, the bottom of the inner plastic box cover 600 is disposed at an end corresponding to the main cavity 601 in a notch, so that a notch for the line to penetrate out from the inside of the electronic control box 200 is formed at the notch, and a water baffle 630 is configured at a corner position 640 between the notch and the side wall of the main cavity 601, where the water baffle 630 is adapted to block water from the side wall of the main cavity 601 from flowing to the notch.

Specifically, the top wall or the side wall of the notch is provided with an outlet hole 650, and a wire inside the electrical control box 200 passes through the outlet hole 650 to the notch position, and then is drawn from the notch to an electrical control component (such as a display panel, or an outdoor temperature sensor, or an indoor temperature sensor, or a compressor exhaust or return temperature sensor, etc.) of the window type air conditioner 100.

Because a corner is formed between the notch and the side wall of the main cavity 601, the water baffle 630 is constructed at the corner position 640, the water flowing down from the water baffle enclosure 620 is blocked by the water baffle 630, and then the water is discharged downwards from the side of the water baffle 630 far away from the corner position 640, so that the water can be prevented from flowing to the outlet 650 of the top wall of the notch along the corner position 640, and the wire body is prevented from being affected with damp.

In one embodiment, the outer metal box cover 500 is configured with an angle cover plate 510 at the corresponding corner position 640, the angle cover plate 510 is configured to form a drainage gap 513, and the drainage gap 513 is suitable for draining water flowing down from the water baffle 630. The drainage gap 513 may be a drainage through hole or a slit.

Optionally, the corner cover plate 510 includes a bottom side plate 511 and a side plate 512 connected to one end of the bottom side plate 511, the side plate 512 is turned upward and connected to a side plate of the outer metal box cover 500, and the drainage gap 513 is formed at a position where the bottom side plate 511 and the side plate 512 are turned.

Specifically, the corner cover 510 has a slit formed at a position where the bottom plate 511 and the side plate 512 are connected, and the slit is for conveniently folding the side plate 512. Therefore, the slit is just used as the drainage gap 513, so that an additional drainage hole is not needed, the manufacturing process is reduced, and the production efficiency is improved.

Referring to fig. 1, the present invention further provides a window type air conditioner 100, wherein the window type air conditioner 100 includes a chassis 110, a casing 120, an outdoor fan 160 and an electric control box 200. The specific structure of the electrical control box 200 refers to the above embodiments, and since the window air conditioner 100 adopts all technical solutions of all the above embodiments, all the beneficial effects brought by the technical solutions of the above embodiments are also achieved, and no further description is given here.

In one embodiment, the housing 120 is mounted on the chassis 110, a separation groove 123 is formed on the housing 120 for the shielding member at the window to extend into, and the housing 120 is separated into an indoor side housing 121 and an outdoor side housing 122 by the separation groove 123; the outdoor fan 160 is installed in the outdoor side housing 122; the electric control box 200 is installed in the outdoor side casing 122, the electric control box 200 is vertically arranged, and the electric control box 200 corresponds to the air inlet side of the outdoor fan 160.

In particular, the slot 123 is adapted to receive a screen at a window in a wall. After the window type air conditioner 100 is installed on the window of the wall, the outdoor side box cover 212 is located outdoors, and the indoor side box cover 212 is located indoors, so that noise generated by the outdoor side part can be prevented from being transmitted to the indoor side, and the noise reduction effect is achieved. Then, the shielding member is pulled down to extend into the separating groove 123 of the window type air conditioner 100, and the shielding member shields the gap between the two sides of the window type air conditioner 100 and the side wall of the window, so that the leakage of indoor cold or heat from the space to the outside can be reduced. It should be noted that the shielding element may be a window sash, a louver, a curtain, or the like, which can shield light, or may be other shielding window panels, which can shield external objects from entering the room.

The window type air conditioner 100 further includes an indoor heat exchanger 130, an outdoor heat exchanger 140, an indoor fan 150, and an outdoor fan 160. Wherein, the indoor heat exchanger 130 and the indoor fan 150 are installed in the indoor side housing 121; an outdoor heat exchanger 140 and an outdoor fan 160 are installed in the outdoor side case 122. When the window air conditioner 100 operates, the indoor fan 150 drives indoor air to enter the indoor side housing 121 to exchange heat with the indoor heat exchanger 130, and blows out the heat-exchanged air from the indoor side housing 121 to the indoor environment, thereby cooling and heating the indoor environment. Meanwhile, the outdoor fan 160 drives outdoor air into the outdoor side housing 122 to exchange heat with the outdoor heat exchanger 140, and blows out the heat-exchanged air from the outdoor side housing 122 to the outdoor environment. The electrical control box 200 is vertically installed in the outdoor side housing 122, and the electrical control box 200 is located at the air inlet side of the outdoor fan 160, so that when the window type air conditioner 100 works, the airflow driven by the outdoor fan 160 passes around the electrical control box 200, and a part of heat generated by the electrical control box 200 is taken away.

Referring to fig. 12 and 13, in an embodiment, the window type air conditioner 100 further includes a sealing member 700, the sealing member 700 is movably mounted on the separation groove 123, and the sealing member 700 is adapted to be moved to switch between a storage state and an operating state; wherein: in the accommodated state, the seal 700 is accommodated in the partition groove 123; in the operative condition, the sealing member 700 projects laterally from the separating channel 123 and is adapted to be held against the shutter and/or the inner wall of the window.

After the window type air conditioner 100 is installed in the window, the sealing member 700 is moved to the working state, so that the sealing member 700 laterally extends out from the separation groove 123 of the window type air conditioner 100, and the bottom surface of the sealing member 700 abuts against the bottom wall of the window; then, the shielding member is pulled down to extend into the separating groove 123 of the window type air conditioner 100 until the lower edge of the shielding member contacts and abuts against the separating member and the sealing member 700, and the sealing member 700 shields and seals the gap between the shielding member and the bottom wall of the window so far, so that the leakage of indoor cold or heat from the gap to the outside is reduced. When the window type air conditioner 100 is not needed or is transported, the sealing member 700 is moved to the storage state, so that the space occupied by the sealing member 700 is reduced, and the window type air conditioner 100 can be conveniently stored or packaged.

There are various ways of removably mounting the seal 700. For example, the seal 700 is slidably mounted on the separation groove 123; alternatively, the sealing member 700 is rotatably installed to the separation groove 123; alternatively, the sealing member 700 may be elastically and telescopically mounted to the separation groove 123. Specifically, the seal member 700 is rotatably mounted to the separation groove 123 to be switched between the operating state and the storage state by rotation.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (11)

1. An electronic control box, comprising:

the box body comprises a bottom plate and a box cover matched and covered with the bottom plate, and the box cover comprises an outer-layer metal box cover and an inner-layer plastic box cover; and

the electric control board is arranged on the bottom plate;

wherein, be equipped with the main cavity body on the inlayer plastics lid, the main cavity body is applicable to the confession component holding on the automatically controlled board, the lateral wall of the main cavity body with the interval is formed with the heat dissipation space between the outer metal lid, the lateral wall of the main cavity body still link up be equipped with the louvre that the heat dissipation space corresponds.

2. An electric control box according to claim 1, wherein a water baffle is protruded from the periphery of the heat dissipation hole, and the surface of the water baffle is inclined downward from the inside of the heat dissipation hole to the outside thereof.

3. An electrical control box according to claim 2, wherein the angle formed by the face of the water baffle and the horizontal plane is not less than 15 ° and not more than 50 °.

4. An electrical control box according to claim 2, wherein the two ends of the water baffle are provided with support protrusions, and the support protrusions are adapted to abut against the side walls of the outer metal box cover.

5. An electric control box according to claim 1, wherein the bottom of the inner plastic box cover is arranged at an unfilled corner corresponding to one end of the main cavity, so that a notch for the wire to penetrate out of the electric control box is formed at the unfilled corner, and a water baffle is formed at the corner between the notch and the side wall of the main cavity.

6. An electrical control box according to claim 5, wherein said outer cover is formed with corner cover panels at locations corresponding to said corners, said corner cover panels being formed with drainage gaps.

7. An electrical control box according to claim 6, wherein said corner cover panel includes a bottom edge panel and side edge panels connected to one end of said bottom edge panel, said side edge panels being folded upwardly to connect to side panels of said outer cover, said drainage gap being formed between said bottom edge panel and said side edge panels in a folded position.

8. The electrical control box according to any one of claims 1 to 7, wherein the number of the heat dissipation holes is plural, the plural heat dissipation holes are arranged in a strip shape, and the plural heat dissipation holes are arranged at intervals in an up-down direction.

9. An electric control box according to any one of claims 1 to 7, wherein the side wall of the outer metal box cover covers the heat dissipation hole on the inner plastic box cover.

10. A window type air conditioner, comprising:

a chassis;

the casing is arranged on the chassis, a separation groove for the shielding piece at the window to extend into is formed in the casing, and the casing is separated into an indoor side casing and an outdoor side casing by the separation groove;

an outdoor fan mounted to the outdoor side case; and

an electrical control box according to any one of claims 1 to 9, mounted in the outdoor side housing, the electrical control box being arranged vertically and corresponding to the air inlet side of the outdoor fan.

11. The window air conditioner as set forth in claim 10, further comprising a sealing member movably mounted to said compartment channel, said sealing member being adapted to be movable to switch between a stowed condition and an operating condition; wherein:

in the accommodated state, the seal is accommodated in the separation groove;

in the working state, the sealing element extends laterally from the separating groove and is suitable for being abutted by the shielding element and/or the inner wall of the window.

Images