CN218993537U

CN218993537U - Protective cover, side plate assembly, outdoor unit and air conditioning system

Info

Publication number: CN218993537U
Application number: CN202223264393.6U
Authority: CN
Inventors: 刘武祥; 吴庆壮; 陈永锋
Original assignee: Beijing Xiaomi Mobile Software Co Ltd; Xiaomi Technology Wuhan Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd; Xiaomi Technology Wuhan Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-09
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a protective cover, a side plate assembly, an outdoor unit and an air conditioning system, wherein the protective cover comprises a cover body, the cover body is provided with an inner side and an outer side, and is provided with radiating holes for air flow outside the cover body to flow to the inner side of the cover body; the cover body is provided with a handle part, the handle part is provided with a handle groove for the insertion of a human hand, the handle groove is positioned at the outer side of the cover body, the heat dissipation hole is formed in the handle part, and the heat dissipation hole is communicated with the handle groove and the inner side of the cover body. The protective cover can realize ventilation and heat dissipation of the outdoor unit, can also realize water resistance, avoids the situation that electric parts are sputtered by liquid, and ensures the stable operation of the outdoor unit.

Description

Protective cover, side plate assembly, outdoor unit and air conditioning system

Technical Field

The utility model relates to the technical field of air conditioner external units, in particular to a protective cover, a side plate assembly applying the protective cover, an outdoor unit applying the side plate assembly and an air conditioning system.

Background

In order to ensure the stability of refrigeration operation of the outdoor unit of the air conditioner, the box body of the outdoor unit is required to be provided with a plurality of radiating holes for ventilation and cooling, and because electric components such as an electric control box and a terminal board in the outdoor unit can generate heat in use, the radiating holes can be arranged at positions close to the electric components in order to ensure the radiating performance, for example, part of manufacturers of the outdoor unit can design the radiating holes on an electric cover plate of a side plate, but in actual use, liquid such as rainwater is sputtered into the outdoor unit from the radiating holes of the electric cover plate, so that the terminal board, the electric control box and the like have the risk of ignition, and the safe and stable operation of the outdoor unit is not facilitated.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent.

Therefore, the embodiment of the utility model provides the protective cover, which can realize ventilation and heat dissipation of the outdoor unit, can also realize water resistance, avoids the condition that electric parts are sputtered by liquid, and ensures the stable operation of the outdoor unit.

The embodiment of the utility model also provides a side plate assembly applying the protective cover.

The embodiment of the utility model also provides an outdoor unit applying the side plate assembly.

The embodiment of the utility model also provides an air conditioning system applying the outdoor unit.

The protective cover comprises a cover body, wherein the cover body is provided with an inner side and an outer side, and is provided with radiating holes for air flow outside the cover body to flow to the inner side of the cover body;

the cover body is provided with a handle part, the handle part is provided with a handle groove for the insertion of a human hand, the handle groove is positioned at the outer side of the cover body, the heat dissipation hole is formed in the handle part, and the heat dissipation hole is communicated with the handle groove and the inner side of the cover body.

The protective cover provided by the embodiment of the utility model can realize ventilation and heat dissipation of the outdoor unit, can also realize water resistance, avoids the situation that electric parts are sputtered by liquid, and ensures the stable operation of the outdoor unit.

In some embodiments, the protective cover includes a skirt portion provided on an inner side of the cover body, and the skirt portion is for shielding between the heat radiation hole and the electrical component to prevent the electrical component from being sputtered by the liquid flowing in from the heat radiation hole.

In some embodiments, an air flow channel is defined between the buckling part and the inner side wall of the cover body, the heat dissipation hole is arranged at the top of the buckle hand part and is communicated with the air flow channel, and the skirt edge part is connected with the buckle hand part and is positioned below the air flow channel.

In some embodiments, the upper surface of the skirt portion is beveled for draining liquid above the skirt portion to the heat sink aperture.

In some embodiments, the projection of the electrical connection portion of the electrical component is located within the projection range of the skirt portion in the up-down direction.

In some embodiments, the skirt portion includes a first flange disposed on one side of the skirt portion and extending downwardly, and a second flange disposed on the other side of the skirt portion and extending downwardly, the electrical component being disposed between the first flange and the second flange.

In some embodiments, the skirt portion includes a stiffener connected between the skirt portion and the cover, the stiffener serving to enhance the structural strength of the skirt portion.

The side panel assembly of an embodiment of the present utility model includes a protective cover as described in any of the embodiments above.

In some embodiments, the side panel assembly comprises:

the side plate comprises a through hole and an installation part, wherein the installation part is opposite to the through hole in the thickness direction of the side plate and extends to the inner side of the side plate, the cover body is fixed on the outer side of the side plate, and the skirt edge part penetrates through the through hole and extends to the inner side of the side plate;

and the electrical component is arranged on the mounting part.

The outdoor unit according to an embodiment of the present utility model includes the side plate assembly described in any one of the above embodiments.

In some embodiments, an outdoor unit includes:

the box body is provided with a first cavity and a second cavity, and the side plate assembly forms part of the cavity wall of the first cavity;

the fan is arranged in the second cavity and is used for generating negative pressure in the second cavity;

the electronic control box is at least partially assembled in the first cavity, and is provided with an opening for air flow in the first cavity to flow through.

In some embodiments, the housing and the electronic control box are disposed on top of the first cavity.

The air conditioning system according to the embodiment of the utility model includes the outdoor unit as described in the above embodiment.

Drawings

Fig. 1 is a rear perspective view of a shield according to an embodiment of the present utility model.

Fig. 2 is a front side perspective view of a shield according to an embodiment of the present utility model.

Fig. 3 is a schematic view of a side panel assembly according to an embodiment of the present utility model.

Fig. 4 is an exploded view of the side panel assembly of fig. 3.

Fig. 5 is a schematic cross-sectional view of an outdoor unit according to an embodiment of the present utility model.

Fig. 6 is a perspective view of the electronic control box of fig. 5.

Fig. 7 is a schematic view of an airflow path in an outdoor unit according to an embodiment of the utility model.

Fig. 8 is an enlarged partial schematic view of fig. 7.

Reference numerals:

a shield 100;

a cover 1; a heat radiation hole 11; a clasp handle 12; a catch groove 121;

a skirt portion 2; a first flange 21; a second flange 22; an air flow passage 23; reinforcing ribs 24;

a side plate 200; a through hole 201; a mounting portion 202;

a terminal base 300;

wire clip 400;

a blower 500;

an electronic control box 600; an opening 601;

a second chamber 700;

a first chamber 800.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

As shown in fig. 1 and 2, the shield 100 of the embodiment of the present utility model includes a shield body 1. The cover 1 may be generally rectangular and have an inner side, which may be the front side of the cover 1, and an outer side, which may be the rear side of the cover 1.

As shown in fig. 1, a plurality of heat dissipation holes 11 may be provided, the heat dissipation holes 11 may be arranged in a matrix, and each heat dissipation hole 11 may penetrate through the cover 1 and communicate the outside with the inside of the cover 1. Thereby, the cooling air flow outside the cover 1 can flow to the inside of the cover 1 through the heat radiation holes 11.

The cover 1 is provided with a handle 12, the handle 12 is provided with a handle groove 121 for inserting a hand, the handle groove 121 is positioned at the outer side of the cover 1, the heat dissipation hole 11 is arranged at the handle 12, and the heat dissipation hole 11 communicates the handle groove 121 with the inner side of the cover 1.

As shown in fig. 1, the handle 12 may be integrally formed with the cover 1, for example, the handle 12 may be integrally formed with the cover 1 by injection molding, and the handle 12 is integrally formed with a box-shaped structure, as shown in fig. 2, the handle 12 protrudes toward the inner side (front side) of the cover 1, and the handle 12 has a handle groove 121 formed at the rear side thereof, and the handle groove 121 allows a person to extend into, thereby facilitating the installation and removal of the protection cover 100 and the transportation of the outdoor unit.

The heat dissipation hole 11 may be provided on the grip portion 12, and one end of the heat dissipation hole 11 communicates with the grip groove 121, and the other end of the heat dissipation hole 11 communicates with the inside of the cover 1. The external cooling air flow may first enter the grip groove 121 and then may flow from each of the heat dissipation holes 11 to the inside of the cover 1.

The protection cover 100 of the embodiment of the utility model is provided with the heat dissipation holes 11, so that external cooling air flow can enter the outdoor unit and realize ventilation and heat dissipation of the outdoor unit.

Secondly, the handle groove 121 can have the effect of hiding the heat dissipation hole 11 on one hand, so that the problem that external impurities enter the outdoor unit through the heat dissipation hole 11 is avoided, and on the other hand, the air flow can collide with the inner wall of the handle groove 121 at first, so that the flow speed of the air flow can be reduced, liquid in the air flow can be settled under the action of gravity, the effect of separating the liquid is achieved, and the waterproofness is improved.

In some embodiments, the shield 100 includes a skirt portion 2, the skirt portion 2 being provided on the inner side of the shield body 1, and the skirt portion 2 being configured to be shielded between the heat dissipation hole 11 and the electrical component to prevent the electrical component from being sputtered by the liquid flowing in from the heat dissipation hole 11.

Specifically, as shown in fig. 1 and 2, the skirt portion 2 may have a plate-like structure, the skirt portion 2 may be integrally formed on the inner side of the cover 1, for example, the material of the cover 100 may be plastic, and the cover 1 and the skirt portion 2 may be integrally formed by injection molding.

The electrical components in this embodiment may be a terminal block 300 (connection terminal), a wire clip, or the like. After the protection cover 100 is installed and fixed, the skirt edge part 2 can be positioned between the outlet of the heat dissipation hole 11 and the electrical component, and a surrounding barrier can be formed between the outlet of the heat dissipation hole 11 and the electrical component, so that the situation that liquid in air flow flowing out from the heat dissipation hole 11 is directly sputtered onto the electrical component is avoided, and the isolation protection effect on the electrical component is achieved.

The skirt portion 2 can form a fence between the heat dissipation hole 11 and the electric parts, so that the electric parts are prevented from being sputtered by liquid, the protection cover 100 has waterproof performance, and stable operation of the outdoor unit is ensured.

In some embodiments, an air flow channel 23 is defined between the buckling part 12 and the inner side wall of the cover 1, the heat dissipation hole 11 is arranged at the top of the buckling part 12 and is communicated with the air flow channel 23, and the skirt part 2 is connected with the buckling part 12 and is positioned below the air flow channel 23.

For example, as shown in fig. 2, the skirt portion 2 may be integrally formed with the knob portion 12, and the skirt portion 2 may be connected to the front side of the knob portion 12 and extend toward the front side of the knob portion 12. As shown in fig. 1, the handle 12 may have a generally square box-like structure, and the heat dissipation hole 11 may be provided in an upper side wall of the handle 12 and penetrate the upper side wall of the handle 12 in the up-down direction.

The periphery of the cover body 1 can be provided with a circle of flanging, the flanging can be positioned at the inner side (front side) of the cover body 1, the buckling handle part 12 is positioned in a space surrounded by the flanging of the cover body 1, the heat dissipation holes 11 are arranged on the upper side wall of the buckling handle part 12, and an air flow channel 23 is limited between the upper side wall of the buckling handle part 12 and the upper flanging of the cover body 1. The skirt portion 2 may be connected to the front end surface of the clasp portion 12 and flush with the upper edge of the front end surface.

Thus, as shown in fig. 8, the cooling air flow outside the cover body 1 can flow upward along the heat dissipation holes 11 and into the air flow channel 23, then the air flow can flow above the skirt portion 2, at this time, the electrical component can be below the skirt portion 2, and the blocking of the skirt portion 2 is avoided, so that the liquid in the air flow is prevented from directly splashing onto the electrical component.

It will be appreciated that in this embodiment the skirt portion 2 is located above the electrical component, and in other embodiments the skirt portion 2 may be located on the left or right side of the electrical component, in which case the outlet of the heat sink 11 may be located on the other side of the skirt portion 2.

In some embodiments, the upper surface of the skirt portion 2 is beveled for draining liquid above the skirt portion 2 to the heat sink apertures 11.

For example, as shown in fig. 8, the skirt portion 2 may be of a plate-like structure and may extend generally in a front-up-to-rear-down direction, and an upper surface of the skirt portion 2 is configured as a slope. Therefore, on one hand, the airflow needs to climb a slope when flowing, so that the flowing speed of the airflow can be slowed down, the liquid in the airflow is favorably separated onto the skirt edge part 2, and on the other hand, the liquid on the skirt edge part 2 can flow back to the heat dissipation holes 11 again along the inclined plane and can be discharged through the heat dissipation holes 11, the effect of dredging the liquid discharge is achieved, the accumulation of the liquid is avoided, and the waterproof effect is further improved.

In some embodiments, the projection of the electrical component is located within the projection range of the skirt portion 2 in the up-down direction. For example, as shown in fig. 2, the skirt portion 2 may have a plate-like structure, a rear side edge of the skirt portion 2 may be connected to the knob portion 12, as shown in fig. 8, an electric component may be shielded below the skirt portion 2, a front side edge of the skirt portion 2 may be positioned at a front side of the electric component, a left side edge of the skirt may be positioned at a left side of the electric component, and a right side edge of the skirt portion 2 may be positioned at a right side of the electric component.

Therefore, the liquid flowing down from the edge of the skirt edge part 2 can flow to the outer side of the electric appliance part and can not directly drop onto the electric appliance part, and the blocking and protecting effects are further ensured.

Optionally, the electrical component may cover only the electrical connection portion (wire connector, soldering connection portion, etc.) below the skirt portion 2, so that the skirt portion 2 achieves a protective effect and a cover range is more targeted, which is beneficial to reducing the size specification and material consumption of the skirt portion 2.

In some embodiments, the skirt portion 2 comprises a first flange 21 and a second flange 22, the first flange 21 being provided on one side of the skirt portion 2 and extending downwards, and the second flange 22 being provided on the other side of the skirt portion 2 and extending downwards, the electrical component being located between the first flange 21 and the second flange 22.

As shown in fig. 2, the first flange 21 and the second flange 22 may be integrally formed with the skirt portion 2, the first flange 21 may be provided on the left side of the skirt portion 2 and may be substantially flat in the vertical direction, and the second flange 22 may be provided on the right side of the skirt portion 2 and may be substantially flat in the vertical direction.

The first flanging 21 and the second flanging 22 can play a role in shielding the electrical component below in the lateral direction on one hand, and further play a protective role, and on the other hand, liquid on the skirt portion 2 can be guided to flow downwards along the outer surfaces of the first flanging 21 and the second flanging 22, so that the situation that the liquid easily flows to the lower surface of the skirt portion 2 and drops onto the electrical component when the skirt portion 2 is in a flat plate shape is avoided, and the protective effect is further improved.

In some embodiments, the skirt portion 2 includes ribs 24, the ribs 24 being connected between the skirt portion 2 and the cover 1, the ribs 24 serving to strengthen the structural strength of the skirt portion 2.

For example, as shown in fig. 8, a plurality of reinforcing ribs 24 may be provided at the top of the skirt portion 2, the reinforcing ribs 24 may be plate-shaped, and a plurality of reinforcing ribs 24 may be arranged at intervals in the left-right direction, the lower side of each reinforcing rib 24 may be connected to the upper surface of the skirt portion 2, and the rear end of each reinforcing rib 24 may be connected to the inner wall surface of the cover 1.

The reinforcing ribs 24 can play a role in enhancing the structural strength of the skirt edge part 2 on one hand, so that the strength requirement of use is met, and on the other hand, the plurality of reinforcing ribs 24 can play a role in diversion in the left-right direction at intervals, so that the cooling air flow is dispersed more uniformly, and the cooling of all parts in the outdoor unit is guaranteed.

The side plate assembly of the embodiment of the present utility model is described below.

The side plate assembly of the embodiment of the present utility model includes the shield 100, and the shield 100 may be the shield 100 described in the above embodiment. As shown in fig. 3 and 4, the side plate assembly may include a side plate 200 and electrical components.

The side plate 200 includes a through hole 201 and an attachment portion 202, the attachment portion 202 being opposed to the through hole 201 in the thickness direction of the side plate 200, and the attachment portion 202 extending toward the inside of the side plate 200, the cover 1 being fixed to the outside of the side plate 200, and the skirt portion 2 passing through the through hole 201 and extending to the inside of the side plate 200.

Specifically, as shown in fig. 4, the side plate 200 may be a substantially rectangular plate, the through-hole 201 may be a rectangular hole, and the through-hole 201 may penetrate the side plate 200 in the front-rear direction. The whole side plate 200 can be formed by stamping a metal plate, the mounting part 202 can be in a tongue-cut structure, namely, the through hole 201 on the side plate 200 can be formed by punching, and the part of the side plate 200 in the through hole 201 can be connected with the side plate 200 and can be bent towards the front side (inner side) of the side plate 200.

As shown in fig. 3, the protection cover 100 may be mounted and fixed to the side plate 200 by a fastener and a fastener, and after the mounting, the protection cover 100 completely shields the through hole 201 on the side plate 200, and the skirt portion 2 of the protection cover 100 may pass through the through hole 201 and extend to the inner side of the side plate 200.

As shown in fig. 4, the electrical component may include a terminal block 300 and a wire pressing clip 400, wherein the terminal block 300 may be fixed on the mounting portion 202, and when in use, cooling air flow may flow between the protection cover 100 and the side plate 200, and then may flow into the outdoor unit through the through hole 201 on the side plate 200, and cooling of the terminal block 300 and the wire pressing clip 400 may be achieved along the way during the air flow.

The outdoor unit according to an embodiment of the present utility model is described below.

The outdoor unit according to the embodiment of the present utility model includes the side plate assembly, which may be the side plate assembly described in the above embodiment. As shown in fig. 5 and 7, the outdoor unit may include a casing, a blower 500 and an electronic control box 600, a partition may be provided in the casing, the partition may divide an inner cavity of the casing into a first cavity 800 and a second cavity 700, the first cavity 800 and the second cavity 700 may be spaced apart in a front-rear direction, wherein the first cavity 800 may be located at a rear side of the second cavity 700, and a side plate assembly may constitute a part of the casing and may be a rear wall of the casing.

The fan 500 may be an axial flow fan, and the fan 500 may be installed in the second chamber 700, and negative pressure may be generated in the second chamber 700 when the fan 500 operates, so that external cooling air flow may be sucked into the case.

At least a portion of the pod 600 is mounted in the first chamber 800. The pod 600 is provided with an opening 601. The opening 601 is configured to allow air flow within the first chamber 800. Specifically, as shown in fig. 6, the electronic control box 600 may be provided with two heat generating parts (heat radiating fins), each of which may be provided therein with a plurality of openings 601, and the plurality of openings 601 may be arranged at intervals in the left-right direction. In use, as shown in fig. 7 and 8, the cooling air flow entering the box body via the side plate assembly can flow through the opening 601 of the heating part of the electric control box 600, thereby realizing cooling of the electric control box 600.

In some embodiments, as shown in fig. 5 and 7, the electronic control box 600 is disposed at the top of the first chamber 800, the protection cover 100 is also disposed at a position substantially at the top of the first chamber 800, and the electronic control box 600 may be disposed opposite to the protection cover 100 in the front-rear direction. Therefore, the cooling air flowing into the heat dissipation holes 11 of the protection cover 100 can directly act on the electric control box 600, so that the effect of reducing the flow path length of the air flow is achieved, and the heat exchange efficiency is guaranteed.

An air conditioning system according to an embodiment of the present utility model is described below.

The air conditioning system includes an outdoor unit, which may be an outdoor unit described in any of the above embodiments, and may further include an indoor unit, and the air conditioning system may be an air conditioning system such as a wall-mounted air conditioner, a cabinet air conditioner, a window air conditioner, a ceiling air conditioner, or a central air conditioning system, or may be any other air conditioning system that requires an outdoor unit.

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; may be mechanically connected, may be electrically connected or may be in communication with each other; 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.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction. While the above embodiments have been shown and described, it should be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. A protective cover, which is characterized by comprising a cover body, wherein the cover body is provided with an inner side and an outer side, the cover body is provided with a heat dissipation hole, and the heat dissipation hole is used for enabling air flow outside the cover body to flow to the inner side of the cover body;

2. The shield according to claim 1, comprising a skirt portion provided on an inner side of the shield body, and the skirt portion is for shielding between the heat radiation hole and the electric component to prevent the electric component from being sputtered by the liquid flowing in from the heat radiation hole.

3. The shield of claim 2 wherein said latch portion and said inner sidewall of said shield define an airflow passage therebetween, said heat dissipating aperture being disposed at a top of said latch portion and communicating with said airflow passage, said skirt portion being connected to said latch portion and being positioned below said airflow passage.

4. A shield according to claim 3, wherein the upper surface of the skirt portion is beveled for draining liquid above the skirt portion to the heat sink.

5. A shield according to claim 3, wherein the projection of the electrical connection portion of the electrical component is located within the projection range of the skirt portion in the up-down direction.

6. A shield according to claim 3, wherein the skirt portion includes a first flange provided on one side of the skirt portion and extending downwardly, and a second flange provided on the other side of the skirt portion and extending downwardly, the electrical component being located between the first flange and the second flange.

7. A shield according to any one of claims 2 to 6, wherein the skirt portion includes a reinforcing rib connected between the skirt portion and the shield body, the reinforcing rib serving to enhance the structural strength of the skirt portion.

8. A side panel assembly comprising a protective cover as claimed in any one of claims 2 to 7.

9. The side panel assembly of claim 8, comprising:

and the electrical component is arranged on the mounting part.

10. An outdoor unit comprising a side plate assembly according to claim 8 or 9.

11. The outdoor unit of claim 10, comprising:

12. The outdoor unit of claim 11, wherein the housing and the electric control box are disposed at a top of the first chamber.

13. An air conditioning system comprising an outdoor unit according to any one of claims 10 to 12.