WO2021082309A1 - Refrigerated container - Google Patents

Abstract

A refrigerated container, comprising a box body (100), a refrigerator (200) and an electric field generating device; the box body (100) comprises two side plates (102), each side plate (102) comprises an inner side plate (107), a side insulation layer (108) and an outer side plate (106), and the side insulation layer (108) is disposed between the inner side plate (107) and the outer side plate (106); and the electric field generating device comprises an electric field generator (201) and a discharge net (203); the electric field generator (201) is electrically connected to the discharge net (203), the discharge net (203) is disposed in the side insulation layer (108) of at least one side plate (102), and when the electric field generator (201) is turned on, the discharge net (203) generates an electric field to keep goods located at the inner part of the box body (100) fresh. The discharge net (203) in the refrigerated container is installed in a side insulation layer (108), which improves the safety performance and practical performance of the box body (100). When the goods in the container are moved, the discharge net (203) is not easily touched or destroyed, thereby avoiding electric field failure and potential safety hazards.

Description

A refrigerated container

Manual

Technical field

The present invention generally relates to the technical field of containers, and more specifically to a refrigerated container.

Background technique

The existing fresh-keeping refrigerated container is composed of a standard marine cooler, a heat preservation box, an electric field generator, and a discharge net. The discharge net is installed in the box. When goods are transported in the container, it is easy to touch and damage the discharge net, causing electric field failure and potential safety hazards. In addition, the existing fresh-keeping refrigerated containers directly take electricity from the cooler, which limits the model of the cooler and has a single structure.

Therefore, there is a need to provide a refrigerated container to at least partially solve the above-mentioned problems.

Summary of the invention

A series of simplified concepts are introduced in the content of the invention, which will be described in further detail in the detailed implementation section. The inventive content part of the present invention does not mean an attempt to limit the key features and necessary technical features of the claimed technical solution, nor does it mean an attempt to determine the protection scope of the claimed technical solution.

In order to at least partially solve the above-mentioned problems, according to the first aspect of the present invention, a refrigerated container is provided, the refrigerated container comprising:

A box, the box includes two oppositely arranged side panels, the side panels include an inner panel, a side insulation layer, and an outer panel, and the side insulation layer is disposed between the inner panel and the outer panel between;

A refrigerator, the refrigerator is fixed to the box; and

An electric field generating device, the electric field generating device includes an electric field generator and a discharge net, the electric field generator is electrically connected to the discharge net, the electric field generator is arranged in the box, and the discharge net is arranged at least In the side insulation layer of one of the side panels,

Wherein, when the electric field generator is turned on, the discharge net generates an electric field to keep the goods inside the box fresh.

According to the refrigerated container provided by the present invention, it is provided with a refrigerating machine for reducing the temperature inside the box, and an electric field generating device capable of generating an electric field inside the box. The electric field generating device includes an electric field generator and a discharge net. After the electric field generator is turned on, the discharge net generates an electric field to keep the goods inside the box fresh. The discharge net is installed in the side insulation layer, which improves the safety performance and practicality of the box. Performance, when transporting goods in the container, the discharge net is not easy to be touched or destroyed, avoiding electric field failure and potential safety hazards.

Optionally, the discharge net is made of metallic materials or wires or non-metallic conductive materials.

Optionally, the electric field generator and the discharge net are connected by a wire, and the electric field generating device further includes a pipe through which the wire extends.

Optionally, the box body further includes a front end plate and a first insulation connection piece, the front end plate is connected to the inner side plate through the first insulation connection piece, and the length direction of the first insulation connection piece is connected to the first insulation connection piece. The height directions of the boxes are parallel.

Optionally, the box body further includes a top corner piece, a bottom corner piece, and a front end bending piece. The top and bottom of the front end bending piece are connected to the top corner piece and the bottom corner piece, respectively. The front end bending piece includes a first bending section and a second bending section perpendicularly connected to the first bending section, and the first bending section is used to connect the front end plate and the first insulating connector , The second bending section is used to connect the outer side plate.

Optionally, the box body further includes a top plate and a second insulating connector, the top plate includes an inner top plate, a top heat-insulating layer, and an outer top plate. The top heat-insulating layer is arranged between the inner top plate and the outer top plate. The top plate is connected to the front end plate through the second insulating connecting piece, and the length direction of the second insulating connecting piece is parallel to the width direction of the box body.

Optionally, the box body further includes a top corner piece and a front-end top beam connected to the top corner piece, the length direction of the front-end top beam is parallel to the width direction of the box body, and the front-end top beam The bottom of the front end is used to connect the front end plate and the second insulating connector, and the top of the front end top beam is used to connect the outer top plate.

Optionally, the box body includes a rear end frame and a first insulating block, the rear end frame is connected to the inner side plate through the first insulating block, and the length direction of the first insulating block is connected to the box. The height direction of the body is parallel.

Optionally, the box body further includes a second insulating block, the rear end frame is connected to the inner top plate through the second insulating block, and the length direction of the second insulating block is the same as the width of the box body. The directions are parallel.

Optionally, the box body further includes a door sill and a third insulating block, the rear end frame is connected to the door sill through the third insulating block, and the length direction of the third insulating block is the same as that of the box body. The width directions are parallel.

Optionally, the inner plate of the box body is made of metallic material or non-metallic material.

Description of the drawings

The following drawings of the present invention are used here as a part of the present invention for understanding the present invention. The accompanying drawings show the embodiments and descriptions of the present invention, which are used to explain the device and principle of the present invention. In the attached drawing,

Figure 1 is a top view of a refrigerated container according to a preferred embodiment of the present invention;

Figure 2 is a front view of the refrigerated container shown in Figure 1;

Fig. 3 is a schematic diagram of the front end of the refrigerated container shown in Fig. 1 as seen along the D direction, in which the front end plate is omitted;

Figure 4 is a cross-sectional view taken along the line C-C in Figure 1;

Figure 5 is a cross-sectional view taken along line B-B in Figure 2;

Fig. 6 is a partial enlarged view of part E in Fig. 5 rotated 90 degrees clockwise;

Fig. 7 is a partial enlarged view of part F in Fig. 5 rotated 90 degrees clockwise;

Fig. 8 is a partial enlarged view of part G in Fig. 5 rotated 90 degrees clockwise;

Figure 9 is a cross-sectional view taken along the line A-A in Figure 1;

Figure 10 is a partial enlarged view of part H in Figure 9;

Figure 11 is a partial enlarged view of part I in Figure 9; and

Fig. 12 is a partial enlarged view of part J in Fig. 9.

Description of reference signs:

100: Cabinet 101: Roof

102: Side panel 103: Front panel

104: top corner piece 105: bottom corner piece

106: Outer side panel 107: Inner side panel

108: Side insulation layer 109: Outer roof

110: Inner roof 111: Top insulation layer

112: Back-end frame 113: Box door

114: First insulation connection 115: Side plate lining

116: Front bending part 117: First bending section

118: Second bending section 119: Reinforcing rib

120: The first connecting piece 121: The rear end lining

122: First insulating block 123: Top plate lining

124: Second insulation connector 125: Front top beam

126: The bottom of the front top beam 127: The top of the front top beam

128: The inclined part of the front top beam 129: The second insulating block

130: Threshold 131: Threshold wood strip

132: Third insulating block 133: Second connecting piece

134: Partition plate 200: Refrigerator

201: Electric field generator 202: Transformer

203: Discharge network 204: Wire

205: Catheter

Detailed ways

In the following description, a lot of specific details are given in order to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.

In order to thoroughly understand the present invention, a detailed structure will be proposed in the following description to explain the present invention. Obviously, the implementation of the present invention is not limited to the specific details familiar to those skilled in the art. The preferred embodiments of the present invention are described in detail as follows. However, in addition to these detailed descriptions, the present invention may also have other embodiments, which should not be construed as being limited to the embodiments presented here.

It should be understood that the purpose of the terms used herein is only to describe specific embodiments and not as a limitation of the present invention. The singular forms of "a", "an" and "said/the" are also intended to include plural forms, unless The context clearly indicates another way. When the terms "comprising" and/or "including" are used in this specification, they indicate the presence of the described features, wholes, steps, operations, elements, and/or components, but do not exclude the presence or addition of one or more other features, Whole, steps, operations, elements, components, and/or combinations thereof. The terms "upper", "lower", "front", "rear", "left", "right" and similar expressions used in the present invention are for illustrative purposes only and are not limiting.

The ordinal words such as "first" and "second" quoted in the present invention are merely identifications and do not have any other meanings, such as a specific order. Also, for example, the term “first component” itself does not imply the existence of “second component”, and the term “second component” does not imply the existence of “first component” by itself.

Hereinafter, specific embodiments of the present invention will be described in more detail with reference to the accompanying drawings. These drawings show representative embodiments of the present invention and do not limit the present invention.

As shown in Figures 1 to 4, the present invention provides a refrigerated container in a preferred embodiment, which is used for anticorrosion and freshness preservation during food transportation and storage. Specifically, the refrigerated container includes a box body 100, a refrigerator 200 fixed to the box body 100, a transformer 202, and an electric field generating device. Among them, the energized refrigerator 200 can reduce the temperature inside the box 100, and the electric field generator can generate an electric field inside the box 100. Hereinafter, the refrigerated container according to the present invention will be described in detail with reference to FIGS. 1 to 12.

As shown in FIGS. 1 to 5, the box body 100 may include a top plate 101, a front plate 103, a rear frame 112 and two oppositely arranged side plates 102, and a box door 113 may be provided in the rear frame 112. In order to further improve the thermal insulation performance of the box body 100, both the top plate 101 and the side plate 102 may be made of thermal insulation materials. For example, in the embodiment shown in FIG. 6, the side panel 102 includes an inner panel 107, a side insulation layer 108, and an outer panel 106. The side insulation layer 108 is provided between the inner panel 107 and the outer panel 106, and the side insulation The layer 108 may be formed by a foaming process. In the embodiment shown in FIG. 10, the top board 101 includes an inner top board 110, a top insulation layer 111 and an outer top board 109. The top insulation layer 111 is provided between the inner top board 110 and the outer top board 109. The top insulation layer 111 can be foamed Process formation. The door 113 may be made of heat-insulating material.

The refrigerator 200 serves as a cold source of the refrigerated container and can be fixed to the box body 100. When the refrigerator 200 is energized, the refrigerator 200 can release cold air into the cabinet 100. Optionally, as shown in FIG. 5, a partition plate 134 may be provided in the box body 100, and the partition plate 134 may be configured as a bent plate. The partition plate 134 can divide the box 100 into a first accommodating space for accommodating the refrigerator 200 and a second accommodating space for accommodating goods. In this way, the heat generated by the refrigerator 200 during operation does not affect the temperature in the second accommodating space.

In the illustrated embodiment, the refrigerator 200 is fixedly installed to the partition plate 134 by using a connecting member such as a bolt, and of course, it can also be pinned or welded to the partition plate 134. It should be noted that the cold source of the refrigerated container according to the present invention is not limited to the refrigerator 200, and other suitable refrigeration devices can also be used for the refrigerated container.

Further, as shown in FIG. 9, the electric field generating device includes an electric field generator 201 and a discharge net 203 (the electric field generator 201 and the discharge net 203 shown in FIG. 9 are only illustrative, and do not represent their actual positions). The electric field generator 201 may be disposed in the first accommodation space. The electric field generator 201 can provide electric energy for the discharge net 203, and the electric field generator 201 and the discharge net 203 are electrically connected. As shown in FIG. 6, the discharge net 203 may be provided in the side insulation layer 108 of the at least one side plate 102. For example, the discharge net 203 may be arranged in the side insulation layer 108 of one side plate 102, and the discharge net 203 may also be arranged in the side insulation layer 108 of the two side plates 102. The discharge net 203 is spaced apart from the outer side plate 106 and is insulated and connected, and the discharge net 203 is spaced apart from the inner side plate 107 and insulated and connected. In this way, the safety is improved and the discharge net 203 is prevented from being knocked and damaged.

3 and 5, the electric field generator 201 is connected to the discharge net 203 through a wire 204, so that the discharge net 203 generates an electric field, so that the goods inside the box 100 can be kept fresh under the action of the electric field. Optionally, the electric field generator 201 is an alternating electric field generator. The electric field generator 201 can be arranged in a cable trough below the refrigerator 200. The electric field generator 201 can be connected to the transformer 202, which can control the discharge network 203 in An alternating electric field is generated inside the box 100. The transformer 202 can directly take power from the cold machine side, and output 220V AC voltage to supply the electric field generator 201, so that it has a stable voltage output and is suitable for more cold machines. It increases the multiple options of supporting schemes and improves the box. The safety performance of the body 100. Further, the number and position of the discharge nets 203 are determined according to the range of the electric field, so as to ensure that all the spaces inside the box 100 of the refrigerated container are within the range of the electric field. Wherein, the discharge net 203 may be made of a metal material or a wire or a non-metal conductive material.

The electric field generating device can generate an electric field inside the box 100. When the electric field generator 201 is turned on, the discharge net 203 generates an electric field. Under the action of the electric field, the goods inside the box 100 are kept fresh, especially in the second containing space. Keep the goods fresh. Further, in order to improve the freshness preservation performance, a discharge net 203 may be provided in the side plate 102, and the area of the discharge net 203 may cover most of the side plate 102. A plurality of discharge nets 203 may also be provided in the same side plate 102, and the plurality of discharge nets 203 may be connected in series. As a result, the preservation period of the refrigerated food inside the box 100 can be extended, the damage to the food from freezing can be reduced, the quality and freshness of the food can be maintained, the growth of microorganisms can be suppressed, and the box 100 can achieve the preservation effect of low voltage and low frequency environment. , At the same time, high safety, energy saving and environmental protection. By generating a space electrostatic field, the electrostatic wave resonates with the water molecules in the food to activate the food cells and water molecules, improve the thermal conductivity of the frozen food, thereby increasing the freezing/thawing speed of the food, and ultimately beneficial to the transportation of food goods. Storage in process.

According to the refrigerated container provided by the present invention, it is provided with a refrigerator 200 for reducing the internal temperature of the box 100, and an electric field generating device capable of generating an electric field inside the box 100. The electric field generating device includes an electric field generator 201 and a discharge net 203. After the electric field generator 201 is turned on, the discharge net 203 generates an electric field, so that the goods inside the box 100 are kept fresh under the action of the electric field. The discharge net 203 is installed on the side insulation layer 108 In this way, the safety performance and practical performance of the box body 100 are improved. When goods are transported in the container, the discharge net 203 is not easy to be touched and destroyed, thereby avoiding electric field failure and potential safety hazards.

The refrigerated container does not directly take electricity from the refrigerator 200, so the model of the refrigerator 200 is not limited, so that the structure of the refrigerator 200 is diversified. Therefore, by setting the refrigerator 200, the strength of the cold source delivered to the refrigerated container can be adjusted, and the temperature inside the box 100 of the refrigerated container can be adjusted. Thus, the refrigerated container according to the present invention can have a variety of working conditions in different temperature environments. Through the formation of working conditions in different temperature environments, the refrigerated container can adapt to the refrigeration requirements of different foods such as fruits, vegetables, fish, and meat, and reduce the damage of low temperature to food as much as possible through the action of the electric field.

The electric field generator 201 may be arranged in a cable duct located below the refrigerator 200. Further, as shown in FIG. 5, the partition plate 134 has a through hole, and the electric field generator 201 (FIG. 9) and the discharge net 203 inside the box 100 can be electrically connected through the through hole. It should be noted that the electric field generator 201 and the refrigerator 200 may be fixed at one or more of the six-sided box plates of the box 100. For example, the electric field generator 201 and the refrigerator 200 may be arranged together at a position close to the front end plate 103, and in an embodiment not shown, the electric field generator may be close to the front end plate, and the refrigerator may be fixed to the rear frame.

As shown in FIG. 5, FIG. 7 and FIG. 9, in the illustrated embodiment, the electric field generator 201 and the discharge net 203 are connected by a wire 204. The electric field generating device further includes a conduit 205 through which a wire 204 extends. The duct 205 may be made of an insulating material. By providing the conduit 205, it can protect the wire 204 and prevent the wire 204 from generating a risk of electric leakage. The duct 205 may also be provided in the side insulation layer 108 such as the side plate 102. Therefore, the insulation performance and the protection of the wire 204 can be improved, and the influence on the internal storage space of the box 100 can be reduced.

In order to further improve the insulation performance of the refrigerated container, the connection positions of the front end plate 103 and the side plates 102 on both sides are insulated. The connection between the front end plate 103 and the side plate 102 will be described below in conjunction with FIG. 5 and FIG. 7.

The front end plate 103 may be configured as a flat plate structure, and the front end plate 103 may not have an insulating layer. The side plate 102 includes an outer side plate 106, an inner side plate 107 and a side insulation layer 108, and the discharge net 203 is arranged in the side insulation layer 108. Therefore, in order to improve the insulation performance of the connection between the front end plate 103 and the side plate 102, the connection positions of the front end plate 103 and the side plates 102 on both sides are insulated and connected.

Specifically, as shown in FIGS. 3 and 7, the box body 100 further includes a top corner piece 104 and a bottom corner piece 105, and the top corner piece 104 is located above the bottom corner piece 105 along the height direction of the box body 100. The box body 100 further includes a front-end bending piece 116, and the front-end bending piece 116 is shown in cross section in FIG. 7. The length direction of the front bending piece 116 is parallel to the height direction of the box 100. The front-end bending piece 116 may be arranged at the corner of the front end of the box body 100, the top of the front-end bending piece 116 along the height direction of the box body 100 is connected to the top corner piece 104, and the front-end bending piece 116 is along the corner of the box body 100. The bottom in the height direction is connected to the bottom corner piece 105.

As shown in FIG. 7, the front-end bending member 116 may include a first bending section 117 and a second bending section 118, and the first bending section 117 may be perpendicularly connected to the second bending section 118. The first bending section 117 may be substantially parallel to the width direction of the box body 100, and the second bending section 118 may be substantially parallel to the length direction of the box body 100.

The first bending section 117 may further include a first sub-extending section, a second sub-extending section, a third sub-extending section, and a fourth sub-extending section that are sequentially connected. The first sub-extending section is substantially parallel to the width direction of the box body 100, and the first sub-extending section is used to connect with the second bending section 118. The second sub-extending section is substantially parallel to the length direction of the box body 100, and the second sub-extending section extends from the end of the first sub-extending section along the length direction of the box body 100 toward the rear end frame 112. The third sub-extending section is substantially parallel to the width direction of the box body 100, and the third sub-extending section extends from the end of the second sub-extending section along the width direction of the box body 100 toward the other side plate 102. The third sub-extension section may be connected to the front end plate 103 through the first connecting member 120. The fourth sub-extending section is substantially parallel to the longitudinal direction of the box body 100, and the fourth sub-extending section extends from the end of the third sub-extending section toward the rear end frame 112.

The second bending section 118 may include a first sub-connection section, an inclined section and a second sub-connection section connected in sequence, and both the first sub-connection section and the second sub-connection section may be parallel to the length direction of the box body 100. The angles between the inclined section and the first sub-connecting section and the second sub-connecting section may all be obtuse angles.

The first sub-connecting section is used for connecting with the first sub-extending section, and the second sub-connecting section is used for connecting with the outer side plate 106. In the length direction of the box body 100, the front end plate 103 does not protrude from the front end bending piece 116. In the width direction of the box body 100, the outer side plate 106 does not protrude from the front bending piece 116. In this way, the front end plate 103 and the outer side plate 106 can be prevented from being knocked easily, thereby protecting the front end plate 103 and the outer side plate 106 to reduce wear.

Further, in order to improve the structural strength, the box body 100 further includes reinforcing ribs 119, and the reinforcing ribs 119 are used to connect with the front-end bending piece 116. The reinforcing rib 119 is shown in cross section in FIG. 7. The length direction of the stiffener 119 is substantially parallel to the height direction of the box 100, and the top of the stiffener 119 along the height direction of the box 100 can be connected to the corner piece 104, and the height of the stiffener 119 is along the height direction of the box 100. The bottom part can be connected with the bottom corner piece 105. The reinforcing rib 119 and the front-end bending piece 116 can jointly form a roughly L-shaped cross-sectional structure, so as to ensure the structural strength of the corners of the box 100.

In order to improve the insulation performance, the box body 100 further includes a first insulation connector 114, which is shown in cross section in FIG. 7. The length direction of the first insulating connector 114 is parallel to the height direction of the box 100. In this way, the length direction of the first insulating connecting member 114 is parallel to the length direction of the front bending member 116.

The first insulating connecting member 114 may be made of an insulating material, such as plastic or rubber. The front end plate 103 may be connected to the inner side plate 107 through the first insulating connector 114. Specifically, the first insulation connector 114 may include a first insulation section and a second insulation section, and the first insulation section and the second insulation section may be connected vertically. The first insulation section may be substantially parallel to the length direction of the box body 100, and the second insulation section may be substantially parallel to the width direction of the box body 100. The first insulating section may be used to connect the front end plate 103. Preferably, the first insulating section may be connected to the fourth extension section of the front end bending piece 116 by rivets.

In order to facilitate maintenance, the box body 100 further includes a side plate lining 115, which is shown in cross section in FIG. 7, and its cross-sectional shape on the horizontal plane may be roughly L-shaped. One end of the side plate lining 115 is connected to the second insulating section through a rivet, and the other end of the side plate lining 115 is connected to the inner plate 107 through a rivet. In this way, the front end plate 103 and the inner side plate 107 are insulated and connected to ensure that the side plate 102 is insulated from the front end plate 103, especially the inner side plate 107 and the front end plate 103 are insulated, which improves safety. Preferably, in order to ensure that the electric field generator 201 is smoothly connected to the discharge mesh 203 in the side insulation layer 108 of the side plate 102, the first insulation connector 114 is provided with a through hole, and the wire 204 may extend through the through hole to be connected to the discharge net. The net 203 is connected.

Of course, the inner plate of the box body 100 can also be made of non-metallic materials. For example, the inner panel of the box body 100 may include an inner side panel 107, an inner top panel 110, and an inner door panel of the box door. The inner panel of the box body 100 will be described in detail below.

The inner side plate 107 may be made of non-metallic materials. Preferably, the inner side plate 107 may be made of glass fiber reinforced plastics to avoid leakage of the discharge net 203, which may cause damage to the goods or workers inside the box 100.

The connection between the front end plate 103 and the top plate 101 will be described below.

As shown in Figures 9 and 10, the top plate 101 includes an outer top plate 109, an inner top plate 110, and a top insulation layer 111. The outer top plate 109 is located above the inner top plate 110 along the height of the box 100, and the top insulation layer 111 is provided on the inner top plate. Between 110 and the outer top plate 109. Therefore, in order to improve the insulation performance of the connection between the front end plate 103 and the top plate 101, the front end plate 103 and the top plate 101 are insulated and connected.

Specifically, as shown in FIG. 10, the box body 100 includes a corner piece 104, and two corner pieces 104 can be arranged oppositely along the width direction of the box body 100. The box body 100 further includes a front top beam 125, and the length direction of the front top beam 125 is parallel to the width direction of the box body 100. The two sides of the front top beam 125 along the width direction of the box 100 are respectively connected with two corner pieces 104.

The front top beam 125 may include a bottom portion 126, a top portion 127, and an inclined portion 128, and the inclined portion 128 is disposed between the top portion 127 and the bottom portion 126. The top 127 of the front top beam 125 is used to connect the outer top plate 109, and the bottom 126 of the front top beam 125 is used to connect the inner top plate 110 and the front end plate 103.

Specifically, the top 127 of the front top beam 125 is substantially parallel to the length direction of the box 100. The inner end of the top 127 of the front top beam 125 and the outer top plate 109 are connected together by welding, and the outer end of the top 127 of the front top beam 125 is connected with the top end of the inclined portion 128 of the front top beam 125. The inclined portion 128 of the front top beam 125 may extend obliquely toward the outer top plate 109. The angles between the inclined portion 128 of the front top beam 125 and the top 127 and bottom 126 of the front top beam 125 may be obtuse angles.

The longitudinal cross-sectional shape of the bottom 126 of the front top beam 125 may be substantially L-shaped, and the bottom 126 of the front top beam 125 may include a vertical section and a horizontal section vertically connected to the vertical section. The vertical section is substantially parallel to the height direction of the box body 100, and the vertical section is connected to the bottom end of the inclined portion 128. The vertical section may be connected to the front end plate 103 through the second connecting member 133. The horizontal section is substantially parallel to the length direction of the box body 100 for connecting with the inner top plate 110.

In order to improve the insulation performance, the box body 100 further includes a second insulation connector 124, and the length direction of the second insulation connector 124 is parallel to the width direction of the box body 100. In this way, the length direction of the second insulating connector 124 is parallel to the length direction of the front end roof beam 125. The second insulating connecting member 124 may be made of an insulating material, such as plastic or rubber.

The front end plate 103 may be connected to the inner top plate 110 through a second insulating connector 124. Specifically, the shape of the longitudinal section of the second insulating connector 124 may be substantially L-shaped. The outer end of the second insulating connecting member 124 may be connected to the horizontal section of the bottom 126 of the front top beam 125 by a rivet, and the inner end of the second insulating connecting member 124 may be connected to the inner top plate 110.

In order to facilitate maintenance, the box body 100 further includes a top plate lining 123, and the top plate lining 123 is used to connect the inner top plate 110 and the second insulating connector 124. The top plate lining 123 can be connected to the inner top plate 110 through rivets, and the top plate lining 123 can also be connected to the second insulating connector 124 through rivets. As a result, the front end plate 103 and the inner top plate 110 are insulated and connected to ensure that the top plate 101 is insulated from the front end plate 103. In particular, the inner top plate 110 is insulated from the front end plate 103, which improves safety.

Of course, as described above, the inner plate of the box body 100 can also be made of non-metallic materials. The inner top plate 110 may be made of non-metallic materials, and preferably, the inner top plate 110 may be made of glass steel. In this way, it is possible to prevent the discharge net 203 from leaking, causing damage to the goods or the staff inside the box 100.

The connection between the rear end frame 112 and the side plate 102, the top plate 101, and the door sill 130, respectively, will be described below.

As shown in FIGS. 5 and 8, the side plate 102 includes an inner side plate 107, an outer side plate 106 and a side insulation layer 108. In order to improve the insulation performance, the box body 100 further includes a first insulation block 122, which is shown in cross section in FIG. 8. The length direction of the first insulating block 122 is parallel to the height direction of the box 100. The first insulating block 122 may be made of an insulating material, such as plastic or rubber. The first insulating block may be configured as a thermally insulated bridge block. The rear end frame 112 may be connected to the inner side plate 107 through the first insulating block 122. The box body 100 further includes a rear end lining 121, and the rear end lining 121 can be connected to the inner side plate 107 by rivets. The first insulating block 122 may be embedded in the rear end frame 112, and the rear end liner 121 may be connected to the first insulating block 122 by rivets. In this way, the insulated connection between the rear frame 112 and the side plate 102 can be ensured, and the safety is improved.

The inner plate of the box body 100 may also be made of non-metallic materials. The inner panel 107 can be made of non-metallic materials, and the inner door panel of the box door can also be made of non-metallic materials. Preferably, both the inner side panel 107 and the inner door panel of the box door can be made of glass fiber reinforced plastics, so as to avoid the leakage of the discharge net 203 and cause damage to the goods or the staff inside the box body 100.

As shown in FIGS. 9 and 11, the top board 101 includes an inner top board 110, an outer top board 109 and a top insulation layer 111. In order to improve the insulation performance, the box body 100 further includes a second insulation block 129, which is shown in cross section in FIG. 11. The length direction of the second insulating block 129 is parallel to the width direction of the box 100. The second insulating block 129 may be made of an insulating material, such as plastic or rubber. The second insulating block may be configured as a thermally insulated bridge block. The rear end frame 112 may be connected to the inner top plate 110 through a second insulating block 129. The second insulating block 129 may be embedded in the top of the rear end frame 112, and the inner top plate 110 may be connected to the second insulating block 129 by rivets. In this way, the insulated connection between the rear end frame 112 and the top plate 101 can be ensured, so that the top plate 101 is insulated from the rear end frame 112, and especially the inner top plate 110 is insulated from the outer wall of the rear end frame, which improves safety.

As described above, the inner top plate 110 may also be made of non-metallic materials, so as to avoid the leakage of the discharge net 203, which may cause damage to the goods or the staff inside the box 100.

However, the inner plate of the box body 100 can also be made of metal materials, supplemented by other processes or treatments to also achieve the effect of avoiding the leakage of the discharge net 203.

As shown in FIG. 12, in order to improve the insulation performance, the box body 100 further includes a third insulating block 132, the threshold 130 includes a threshold wooden bar 131, and the rear end frame 112 is connected to the threshold wooden bar 131 through the third insulating block 132. The third insulating block 132 and the threshold wood strip 131 are shown in cross section in FIG. 12. The length direction of the third insulating block 132 and the threshold wood strip 131 may be parallel to the width direction of the box body 100. The threshold wood strip 131 may be made of insulating material, such as wood. The third insulating block 132 may be made of insulating material, such as plastic or rubber. The third insulating block may be configured as a thermally insulated bridge block. The rear end frame 112 may be connected to the threshold wood strip 131 through the third insulating block 132. The third insulating block 132 may be embedded in the threshold 130 and located above the threshold wood strip 131. The rear end frame 112 may be connected to the threshold 130 through the third insulating block 132. In this way, the insulated connection between the rear end frame 112 and the threshold 130 can be ensured to ensure the insulation between the floor and the rear frame 112, especially the insulation between the floor and the outer wall of the rear frame 112, which improves safety.

According to the refrigerated container provided by the present invention, the inside of the refrigerated container is insulated from the ground, and the insulation resistance is not less than 1 megohm. The side plate 102 of the box body 100 of the refrigerated container and the inner plate and the outer plate of the top plate 101 are insulated, and the insulation resistance is not less than 1 megohm.

Unless otherwise defined, the technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the technical field of the present invention. The terms used herein are only for describing specific implementation purposes, and are not intended to limit the present invention. The terms such as "part" and "piece" appearing in this text can mean a single part or a combination of multiple parts. Terms such as "installation", "setup" and the like appearing in this document can mean that one component is directly attached to another component, or that one component is attached to another component through an intermediate piece. A feature described in one embodiment herein can be applied to another embodiment alone or in combination with other features, unless the feature is not applicable in the other embodiment or otherwise stated.

The present invention has been described through the above-mentioned embodiments, but it should be understood that the above-mentioned embodiments are only for the purpose of example and description, and are not intended to limit the present invention to the scope of the described embodiments. In addition, those skilled in the art can understand that the present invention is not limited to the above-mentioned embodiments. According to the teachings of the present invention, more variations and modifications can be made, and these variations and modifications fall under the protection of the present invention. Within the range. The protection scope of the present invention is defined by the appended claims and their equivalent scope.

Claims (11)

1. A refrigerated container, characterized in that, the refrigerated container comprises:

   A box, the box includes two oppositely arranged side panels, the side panels include an inner panel, a side insulation layer, and an outer panel, and the side insulation layer is disposed between the inner panel and the outer panel between;

   A refrigerator, the refrigerator is fixed to the box; and

   An electric field generating device, the electric field generating device includes an electric field generator and a discharge net, the electric field generator is electrically connected to the discharge net, the electric field generator is arranged in the box, and the discharge net is arranged at least In the side insulation layer of one of the side panels,

   Wherein, when the electric field generator is turned on, the discharge net generates an electric field to keep the goods inside the box fresh.
2. The refrigerated container according to claim 1, wherein the discharge net is made of a metal material or a wire or a non-metal conductive material.
3. The refrigerated container according to claim 1, wherein the electric field generator and the discharge net are connected by a wire, and the electric field generating device further comprises a pipe, and the wire extends through the pipe.
4. The refrigerated container according to claim 1, wherein the box body further comprises a front end plate and a first insulating connection piece, and the front end plate is connected to the inner side plate through the first insulating connection piece, and The length direction of the first insulating connecting piece is parallel to the height direction of the box body.
5. The refrigerated container according to claim 4, wherein the box body further comprises a top corner piece, a bottom corner piece, and a front end bending piece, and the top and bottom of the front end bending piece are respectively connected to the top corner piece. Connected to the bottom corner piece, the front end bending piece includes a first bending section and a second bending section perpendicularly connected to the first bending section, and the first bending section is used to connect the The front end plate and the first insulating connector, and the second bending section is used to connect the outer plate.
6. The refrigerated container according to claim 4, wherein the box body further comprises a top plate and a second insulating connector, the top plate includes an inner top plate, a top insulation layer, and an outer top plate, and the top insulation layer is arranged inside Between the top plate and the outer top plate, the inner top plate is connected to the front end plate through the second insulating connecting piece, and the length direction of the second insulating connecting piece is parallel to the width direction of the box body.
7. The refrigerated container according to claim 6, wherein the box body further comprises a top corner piece and a front-end top beam connected to the top corner piece, and the length direction of the front-end top beam is the same as that of the box body. The width directions are parallel, the bottom of the front end top beam is used to connect the front end plate and the second insulating connector, and the top of the front end top beam is used to connect the outer top plate.
8. The refrigerated container according to claim 6, wherein the box body comprises a rear end frame and a first insulating block, the rear end frame is connected to the inner side plate through the first insulating block, and the first insulating block The length direction of an insulating block is parallel to the height direction of the box body.
9. The refrigerated container according to claim 8, wherein the box body further comprises a second insulating block, the rear end frame is connected to the inner top plate through the second insulating block, and the second insulating block The length direction of the box is parallel to the width direction of the box.
10. The refrigerated container according to claim 8, wherein the box body further comprises a door sill and a third insulating block, the rear end frame is connected to the door sill through the third insulating block, and the third insulating block is connected to the door sill. The length direction of the block is parallel to the width direction of the box.
11. The refrigerated container according to claim 1, wherein the inner panel of the box body is made of metallic material or non-metallic material.

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