CN220954008U - Wall structure and energy storage equipment - Google Patents

Abstract

The utility model provides a wall structure and energy storage equipment, and relates to the technical field of energy storage. The wall structure of the utility model can provide better fireproof and heat-insulating performance, and ensures that heat cannot be easily transmitted to the outside of the cabin when a fire disaster occurs in the battery cabin, so that loss can be controlled to be in a single energy storage device when the fire disaster occurs.

Description

Wall structure and energy storage equipment

Technical Field

The utility model relates to the technical field of energy storage, in particular to a wall structure and energy storage equipment.

Background

With the continuous development of energy storage markets, energy storage power stations are increasingly widely used in various fields. As an important component of the energy storage plant, the energy storage device is formed by a plurality of separate chambers, wherein the batteries are arranged independently in the battery compartment.

However, most of the existing wall structures are single-plate structures, and when the battery is in fire, heat is easily transferred outwards through the wall of the battery compartment. This heat transfer phenomenon may have an effect on other chambers and increase the risk of fire from other energy storage devices.

Disclosure of utility model

The problem to be solved by the utility model is how to reduce the heat transfer efficiency of the wall structure.

In one aspect, the utility model provides a wall structure, which comprises a mounting frame structure, a first wall surface, a second wall surface, a first refractory heat-insulating piece and a second refractory heat-insulating piece, wherein the first refractory heat-insulating piece is arranged in the mounting frame structure, the first wall surface and the second wall surface are respectively connected with the mounting frame structure, the first wall surface and the second wall surface are arranged at intervals to form a containing space, and the second refractory heat-insulating piece is contained in the containing space.

Optionally, along the direction of first wall to the second wall, first wall is equipped with the first gas pocket that runs through, just first gas pocket with accommodation space intercommunication.

Optionally, the mounting frame structure comprises a first upright post, a second upright post and a cross beam, wherein the first upright post and the second upright post are arranged at intervals on the cross beam, and the first fireproof heat insulation pieces are respectively arranged in the first upright post and the second upright post; the first stand is located outside the accommodation space, the second stand is located in the accommodation space, the inside of crossbeam respectively with the inside of first stand with the inside intercommunication of second stand, the outer wall of first stand be equipped with the second gas pocket of the inside intercommunication of first stand.

Optionally, the first stand is equipped with a plurality of, and is a plurality of the first stand is followed the length direction interval setting of crossbeam, first wall includes lapping plate and first wall unit, and two adjacent be equipped with between the first stand first wall unit, first wall unit passes through the lapping plate with first stand fixed connection.

Optionally, the wall structure further comprises a third refractory heat-insulating piece, and the joint of the lapping plate and the first upright post is provided with the third refractory heat-insulating piece; and/or the joint of the lapping plate and the first wall surface unit is provided with the third fire-resistant heat-insulating piece.

Optionally, the second stand is equipped with a plurality ofly, and a plurality of the second stand is followed the length direction interval setting of crossbeam, at least one the lapping plate with the second stand that corresponds passes through the mounting is connected.

Optionally, the wall structure further comprises a reinforcing member, and the reinforcing member is respectively connected with the plurality of first wall units.

Optionally, the second wall is located the terminal surface of accommodation space is equipped with first protruding structure, the reinforcement orientation the terminal surface of second wall is equipped with the second protruding structure, first protruding structure with the second protruding structure respectively with the opposite both ends face of second fire-resistant insulating part offsets.

Optionally, the second refractory heat insulation member is arranged between two adjacent second upright posts.

In another aspect, the present utility model provides an energy storage device comprising a wall structure as described above.

Compared with the prior art, the utility model has the beneficial effects that:

The first wall surface and the second wall surface are arranged at intervals on the mounting frame structure, so that a containing space is formed between the first wall surface and the second wall surface and used for containing the second fireproof heat-insulating piece. When the fire disaster occurs in the battery compartment, heat is firstly transferred to the first wall surface, then transferred to the second fireproof heat insulation piece and finally transferred to the second wall surface, and the heat transfer efficiency outwards is effectively reduced through the design. In addition, the inside first fire-resistant insulating part that still is equipped with of mounting bracket structure, it has further reduced the efficiency of heat outwards transmission. In summary, the wall structure of the utility model can provide better fireproof and heat insulation performance, and ensures that heat cannot be easily transferred to the outside of the battery compartment when a fire disaster occurs in the battery compartment, so that loss is controlled to be in a single energy storage device when the fire disaster occurs.

Drawings

FIG. 1 is a cross-sectional view of a wall structure according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a cross-sectional view of an embodiment of the present utility model at a first post;

FIG. 4 is a second cross-sectional view of a wall structure according to an embodiment of the present utility model;

FIG. 5 is a partial enlarged view at B in FIG. 4;

FIG. 6 is a schematic diagram of a wall structure according to an embodiment of the present utility model;

Fig. 7 is a schematic structural diagram of a wall structure according to an embodiment of the utility model.

Reference numerals illustrate:

1. A mounting frame structure; 11. a first upright; 111. a second air hole; 12. a second upright; 13. a cross beam; 2. a first wall surface; 21. a first wall unit; 211. a first air hole; 22. a lapping plate; 3. a second wall surface; 31. a first bump structure; 4. a first refractory insulation; 5. a second refractory insulation; 6. a third refractory insulation; 7. a fixing member; 8. a reinforcing member; 81. and a second bump structure.

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 specific embodiments thereof which are illustrated in the appended drawings.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

Moreover, in the drawings, the Z axis represents the vertical direction, that is, the up-down position, and the positive direction of the Z axis represents the up, and the reverse direction of the Z axis represents the down, in the drawings, the Y axis represents the longitudinal direction, that is, the front-back position, and the positive direction of the Y axis represents the front, and the negative direction of the Y axis represents the back; the X-axis in the drawing represents the lateral, i.e. left-right, position, and the positive direction of the X-axis represents the right and the negative direction of the X-axis represents the left.

It should also be noted that the foregoing Z-axis, X-axis, and Y-axis are meant to be illustrative only and to simplify the description of the present utility model, and are not meant to indicate or imply that the devices or elements referred to must be in a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

As shown in fig. 1, 2 and 3, the wall structure of the embodiment of the utility model comprises a mounting frame structure 1, a first wall surface 2, a second wall surface 3, a first fire-resistant heat-insulating member 4 and a second fire-resistant heat-insulating member 5, wherein the first fire-resistant heat-insulating member 4 is arranged in the mounting frame structure 1, the first wall surface 2 and the second wall surface 3 are respectively connected with the mounting frame structure 1, the first wall surface 2 and the second wall surface 3 are arranged at intervals to form a containing space, and the second fire-resistant heat-insulating member 5 is contained in the containing space.

In this embodiment, the first refractory and heat-insulating members 4 and 5 may be mineral wool, silicate board, expanded rock wool board, or expanded film, etc., and are not limited thereto, and are determined according to actual needs.

As shown in fig. 1, 2 and 3, the first wall surface 2 and the second wall surface 3 are arranged in the mounting frame structure 1 at intervals, so that a containing space is formed between the first wall surface 2 and the second wall surface 3, and is used for containing the second refractory heat insulation member, and when a fire disaster occurs in the battery compartment, heat is firstly transferred to the first wall surface 2, then is blocked by the second refractory heat insulation member 5, and is then transferred to the second wall surface 3. This design effectively reduces the efficiency of heat transfer out. Furthermore, the first refractory insulation 4 inside the mounting structure 1 further slows down the efficiency of heat transfer outwards. In summary, the wall structure of the present utility model can effectively prevent heat from being easily transferred to the outside of the battery compartment in case of fire, and provides higher fire resistance and heat insulation properties so as to control loss to a single energy storage device in case of fire.

Optionally, along the direction from the first wall surface 2 to the second wall surface 3, the first wall surface 2 is provided with a first air hole 211 penetrating therethrough, and the first air hole 211 is communicated with the accommodating space.

The directions of the first wall surface 2 to the second wall surface 3 are the Y-axis directions as shown in fig. 1.

It will be appreciated that in the event of a fire in the battery compartment, the wall structure is subjected to high temperature heat radiation, causing the gases within the wall to expand thermally. Since expansion of the gas increases the pressure inside the wall, this may cause damage or breakage of the wall structure, thereby reducing the fire-resistant and heat-insulating properties of the entire wall.

To improve this situation, the wall structure of the present embodiment is correspondingly improved, specifically, as shown in fig. 7, the upper end of the first wall 2 is provided with a plurality of first air holes 211 arranged at intervals along the Y axis direction, and the plurality of first air holes 211 are respectively communicated with the accommodating space. Therefore, the wall structure can achieve internal and external pressure balance, the damage condition of the first wall surface 2 and the second wall surface 3 is effectively reduced, and the fire-resistant heat-insulating performance of the whole wall structure is improved.

In this embodiment, the number of the first air holes 211 may be three, four, six, etc., which is not limited herein, and depends on the actual requirements.

Optionally, the mounting frame structure 1 further includes a first upright 11, a second upright 12 and a cross beam 13, where the first upright 11 and the second upright 12 are disposed at intervals on the cross beam 13, and the first refractory heat insulation elements 4 are respectively disposed inside the first upright 11 and the second upright 12; the first upright 11 is located outside the accommodating space, the second upright 12 is located in the accommodating space, the inside of the cross beam 13 is respectively communicated with the inside of the first upright 11 and the inside of the second upright 12, and the outer wall of the first upright 11 is provided with a second air hole 111 communicated with the inside of the first upright 11.

As shown in fig. 1, 2 and 3, the mounting structure 1 includes a first upright 11 and a second upright 12, where the first upright 11 and the second upright 12 are disposed at intervals in the Y-axis direction, and meanwhile, the first upright 11 and the second upright 12 are hollow structures, and the first refractory heat insulating members 4 are disposed inside the first upright 11 and the second upright 12, respectively, so as to reduce heat conduction efficiency of the first upright 11 and the second upright 12. The first upright 11 and the second upright 12 are used for installing the first wall surface 2 and the second wall surface 3 respectively, and are arranged such that a containing space is formed between the first wall surface 2 and the second wall surface 3 for containing the second refractory heat insulating member 5.

As shown in fig. 6, two cross beams 13 are provided, and for convenience of description, the two cross beams 13 will be hereinafter referred to as an upper cross beam and a lower cross beam, respectively, wherein the first upright 11 is located outside the accommodating space, and the upper and lower ends of the first upright 11 are connected to one end surface of the upper cross beam in the Y-axis direction and one end surface of the lower cross beam in the Y-axis direction, respectively. The second upright post 12 is positioned in the accommodating space, the upper end face and the lower end face of the second upright post 12 are respectively connected with the end faces of the upper cross beam and the lower cross beam, namely, the upper end face of the second upright post 12 is connected with the lower end face of the upper cross beam, and the lower end face of the second upright post 12 is connected with the upper end face of the lower cross beam; the inside of crossbeam 13 respectively with the inside of first stand 11 and the inside intercommunication of second stand 12, specifically, first stand 11, second stand 12, entablature and entablature are hollow structure, and four are equipped with the through-hole respectively in the junction in order to realize inside intercommunication, simultaneously, the outer wall of first stand 11 is equipped with the second gas pocket 111 with the inside intercommunication of first stand 11.

Like this, when the battery compartment internal fire disaster, after heat transfer to first stand 11 and second stand 12, because the inside of crossbeam 13 respectively with the inside of first stand 11 and the inside intercommunication of second stand 12, the outer wall of first stand 11 is equipped with the second gas pocket 111 with the inside intercommunication of first stand 11, can realize the inside and outside pressure balance of first stand 11, crossbeam 13 and second stand 12, reduced the condition that first stand 11 and second stand 12 appear damaging effectively, improved the fire-resistant heat-proof performance of whole wall body.

In this embodiment, the connection mode between the beam 13 and the first upright 11 and the connection mode between the beam 13 and the second upright 12 include, but are not limited to, screw connection, adhesion or welding, and are selected according to practical requirements.

Optionally, the first upright posts 11 are provided with a plurality of first upright posts 11, the plurality of first upright posts 11 are arranged at intervals along the length direction of the cross beam 13, the first wall surface 2 comprises a lapping plate 22 and a first wall surface unit 21, the first wall surface unit 21 is arranged between two adjacent first upright posts 11, and the first wall surface unit 21 is fixedly connected with the first upright posts 11 through the lapping plate 22.

It is to be understood that the longitudinal direction of the cross member 13 refers to the X-axis direction as shown in fig. 2.

As shown in fig. 6, the first columns 11 are provided in four, and the four first columns 11 are disposed at intervals in the X-axis direction. As shown in fig. 2, the first wall surface 2 includes a bonding plate 22 and a first wall surface unit 21, where the first wall surface unit 21 is disposed between two adjacent first upright columns 11, and the first wall surface unit 21 is fixedly connected to the first upright columns 11 through the bonding plate 22, where the bonding plate 22 may be a straight plate or a bent plate, which is not limited herein and depends on practical requirements. Thus, the first wall surface 2 is of a modularized structure, and is convenient to produce and process.

In this embodiment, when the first wall units 21 are provided on both sides of the first upright 11 in the X-axis direction, the two first wall units 21 may share one bridging plate 22.

Optionally, the wall structure further comprises a third refractory heat insulation member 6, and the joint of the lapping plate 22 and the first upright 11 is provided with the third refractory heat insulation member 6; and/or the junction of the bridging plate 22 and the first wall unit 21 is provided with a third refractory insulation 6.

In this embodiment, the third refractory and heat insulating member 6 may be mineral wool or silicate board, etc., and is not limited thereto, and is determined according to actual needs.

As shown in fig. 2, a third refractory heat insulation member 6 is arranged at the joint of the lapping plate 22 and the first upright 11; the joint of the lapping plate 22 and the first wall unit 21 is provided with a third fire-resistant heat-insulating member 6, and the third fire-resistant heat-insulating member 6 is installed in an adhesive or screw connection mode according to actual requirements. In this way, the efficiency of heat transfer from the first upright 11 to the splice plate 22 and the first wall unit 21 is effectively reduced.

In this embodiment, when the third refractory insulating member 6 is provided at both the junction of the bridging plate 22 and the first upright 11 and the junction of the bridging plate 22 and the first wall unit 21, the two may share one third refractory insulating member 6.

Optionally, the wall structure further comprises a fixing member 7, a plurality of second upright posts 12 are provided, the plurality of second upright posts 12 are arranged at intervals along the length direction of the cross beam 13, and at least one lapping plate 22 is connected with the corresponding second upright post 12 through the fixing member 7.

As shown in fig. 1, four second upright posts 12 are provided, the four second upright posts 12 are arranged at intervals along the X-axis direction, and two middle second upright posts 12 are respectively arranged corresponding to two lapping plates 22 and are connected through a fixing piece 7, wherein the fixing piece 7 is a bending piece, the cross section shape of the fixing piece 7 is approximately L-shaped, one end of the fixing piece 7 is connected with the side wall of the second upright post 12 along the X-axis direction, and the other end is connected with the side wall of the lapping plate 22 along the Y-axis direction. Thus, the splice plate 22 is also connected to the second upright 12 in the Y-axis direction, enhancing the stability of the first wall surface 2.

In this embodiment, the connection manner between the fixing member 7 and the second upright 12 and the connection manner between the fixing member 7 and the lap plate 22 include, but are not limited to, adhesion, welding or screw connection, and are not limited herein, depending on practical requirements.

Optionally, the wall structure further comprises a reinforcing member 8, and the reinforcing member 8 is connected to the plurality of first wall units 21, respectively.

As shown in fig. 2 and 4, the reinforcement member 8 is disposed in the accommodating space, extends along the X-axis direction, and is connected to the plurality of first wall units 21, respectively, by bonding, welding or screw connection. In this way, the stability of the first wall surface 2 is further enhanced.

Optionally, the end surface of the second wall surface 3 located in the accommodating space is provided with a first protruding structure 31, the end surface of the reinforcing member 8 facing the second wall surface 3 is provided with a second protruding structure 81, and the first protruding structure 31 and the second protruding structure 81 respectively abut against two opposite end surfaces of the second refractory heat insulating member 5.

As shown in fig. 5, a part of the outer wall of the second wall surface 3 is bent toward the accommodating space to form a first protrusion structure 31 protruding on the side of the accommodating space, and the vertical cross-sectional shape of the reinforcing member 8 is "several" shaped, that is, the end surface of the reinforcing member 8 toward the second wall surface 3 is provided with a second protrusion structure 81, and the first protrusion structure 31 and the second protrusion structure 81 respectively abut against two opposite end surfaces of the second refractory heat insulating member 5 in the Y-axis direction. In this way, when the second refractory insulating member 5 is located in the accommodating space, the first protrusion structure 31 and the second protrusion structure 81 can restrict the position of the second refractory insulating member 5, thereby stabilizing the second refractory insulating member 5.

Optionally, a second refractory insulation 5 is provided between two adjacent second uprights 12.

As shown in fig. 1, four second upright posts 12 are arranged at intervals along the X-axis direction, and a second refractory heat insulating member 5 is arranged between two adjacent second upright posts 12, so that the thickness of the wall structure in the Y-axis direction is effectively reduced on the premise of ensuring the refractory and heat insulating properties of the wall structure.

In another aspect, the present utility model provides an energy storage device comprising a wall structure as described above.

The energy storage device of the embodiment has the same beneficial effects as the wall structure compared with the prior art, and therefore, the description is omitted here.

The reader will appreciate that in the description of this specification, a description of terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means 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.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a wall structure, its characterized in that, including mounting bracket structure (1), first wall (2), second wall (3), first fire-resistant insulating part (4) and second fire-resistant insulating part (5), mounting bracket structure (1) inside is equipped with first fire-resistant insulating part (4), first wall (2) with second wall (3) respectively with mounting bracket structure (1) are connected, first wall (2) with second wall (3) interval sets up in order to form the accommodation space, second fire-resistant insulating part (5) hold in the accommodation space.

2. The wall structure according to claim 1, wherein the first wall surface (2) is provided with a first air hole (211) penetrating therethrough along the direction from the first wall surface (2) to the second wall surface (3), and the first air hole (211) is communicated with the accommodation space.

3. The wall structure according to claim 1, wherein the mounting frame structure (1) comprises a first upright (11), a second upright (12) and a cross beam (13), the first upright (11) and the second upright (12) are arranged at intervals on the cross beam (13), and the first refractory heat insulation member (4) is respectively arranged inside the first upright (11) and the second upright (12); the first upright post (11) is located outside the accommodating space, the second upright post (12) is located in the accommodating space, the inside of the cross beam (13) is respectively communicated with the inside of the first upright post (11) and the inside of the second upright post (12), and a second air hole (111) communicated with the inside of the first upright post (11) is formed in the outer wall of the first upright post (11).

4. A wall structure according to claim 3, wherein the first columns (11) are provided with a plurality of first columns (11) arranged at intervals along the length direction of the cross beam (13), the first wall surface (2) comprises a lapping plate (22) and first wall surface units (21), the first wall surface units (21) are provided between two adjacent first columns (11), and the first wall surface units (21) are fixedly connected with the first columns (11) through the lapping plate (22).

5. The wall structure according to claim 4, further comprising a third refractory insulation (6), said third refractory insulation (6) being provided at the junction of said lap plate (22) with said first upright (11); and/or the joint of the lapping plate (22) and the first wall surface unit (21) is provided with the third fire-resistant heat-insulating piece (6).

6. The wall structure according to claim 4, further comprising a fixing member (7), wherein a plurality of second upright posts (12) are provided, the plurality of second upright posts (12) are disposed at intervals along the length direction of the cross beam (13), and at least one of the lap plates (22) is connected with the corresponding second upright post (12) through the fixing member (7).

7. A wall structure according to claim 4, further comprising a reinforcement (8), said reinforcement (8) being connected to a plurality of said first wall units (21), respectively.

8. The wall structure according to claim 7, wherein the end surface of the second wall surface (3) located in the accommodating space is provided with a first protruding structure (31), the end surface of the reinforcement (8) facing the second wall surface (3) is provided with a second protruding structure (81), and the first protruding structure (31) and the second protruding structure (81) respectively abut against two opposite end surfaces of the second refractory heat insulation member (5).

9. A wall structure according to claim 3, wherein said second refractory insulation (5) is provided between two adjacent second uprights (12).

10. An energy storage device comprising a wall structure as claimed in any one of claims 1 to 9.