CN111315047B

CN111315047B - Heating cover and heating device with same

Info

Publication number: CN111315047B
Application number: CN202010219396.4A
Authority: CN
Inventors: 曹乃锋
Original assignee: China Aviation Lithium Battery Co Ltd
Current assignee: China Aviation Lithium Battery Co Ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2022-06-17
Anticipated expiration: 2040-03-25
Also published as: CN111315047A

Abstract

The disclosure relates to the technical field of heat preservation, and provides a heating cover and a heating device with the same. The heating cover is used for accommodating a sample and comprises a body, wherein the body comprises a plurality of plate bodies, and at least one plate body in the plurality of plate bodies is foldable and/or detachable. The heating cover of the present disclosure can be folded and/or detachably disposed by at least one of the plurality of plate bodies, that is, at least a part of the body can be folded or detached after the heating cover is used, so that the space occupation rate of the body is reduced, and the body can be conveniently maintained.

Description

Heating cover and heating device with same

Technical Field

The disclosure relates to the technical field of heat preservation, in particular to a heating cover and a heating device with the same.

Background

At present, the factory test conditions of a battery manufacturer are relatively crude, a test site is selected to be indoor or outdoor, the indoor environment is a non-closed environment and lacks of a temperature control system, and the peripheral test environment temperature of the battery is often below 10 ℃ in severe cold weather; the outdoor test environment is worse, the temperature is close to 0 ℃ in severe cold weather, the factory test result of the battery is seriously influenced, indexes such as capacity and electric quantity are not up to the standard, and the factory qualification rate of products is reduced.

For the situation, two countermeasures are taken, one is to purchase temperature control system equipment and modify the environment of a test area, the other is to wait for weather warming-up and then make up a capacity and electric quantity test item, the former has obvious heating effect but high cost (hundreds of thousands to millions of yuan), and the latter hardly needs cost but delays a delivery node. In addition, when the delivery period is centralized, the number of product tests is large, one temperature control system device cannot deal with the condition and needs to be configured, but the configuration of a plurality of temperature control system devices can occupy too large space, and once the idle period is reached, the storage is difficult, the maintenance cost is high, and the like.

Disclosure of Invention

It is a primary object of the present disclosure to overcome at least one of the above-mentioned disadvantages of the prior art and to provide a heating mantle and a heating apparatus having the same.

According to a first aspect of the present invention, there is provided a heating mantle for containing a sample, comprising a body comprising a plurality of panels, at least one panel of the plurality of panels being foldable and/or detachable.

The heating cover comprises a plurality of plate bodies, at least one of the plate bodies can be folded and/or detachably arranged, namely, at least part of the body can be folded or detached after the heating cover is used, so that the space occupation rate of the body is reduced, and the body is convenient to maintain.

According to a second aspect of the present invention, there is provided a heating apparatus comprising the above-described heating mantle and a heater provided on a body.

According to the heating device provided by the embodiment of the invention, the heater is used for heating the interior of the body, and at least one of the plurality of plate bodies can be folded and/or detachably arranged, namely, at least part of the body can be folded or detached after the body is used, so that the space occupation rate of the body is reduced, and the body is convenient to maintain.

Drawings

Various objects, features and advantages of the present disclosure will become more apparent from the following detailed description of preferred embodiments thereof, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the disclosure and are not necessarily drawn to scale. In the drawings, like reference characters designate the same or similar parts throughout the different views. Wherein:

FIG. 1 is a schematic diagram illustrating a first state of a heating apparatus according to an exemplary embodiment;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 1;

FIG. 4 is an enlarged schematic view of a first snap-in portion and a second snap-in portion of a heating apparatus according to an exemplary embodiment;

FIG. 5 is an enlarged, fragmentary, schematic view of a connecting rod of a heating apparatus according to one exemplary embodiment;

FIG. 6 is a schematic diagram illustrating the construction of a top cover plate of a heating apparatus according to an exemplary embodiment;

FIG. 7 is a schematic structural view of a side plate of a heating apparatus according to an exemplary embodiment;

FIG. 8 is a schematic diagram illustrating a second state of a heating apparatus according to an exemplary embodiment;

FIG. 9 is a schematic diagram illustrating a third state of a heating apparatus according to an exemplary embodiment;

FIG. 10 is an exploded schematic view of a heating device according to an exemplary embodiment;

FIG. 11 is a schematic illustration of a partially exploded view of a heating apparatus according to an exemplary embodiment;

FIG. 12 is a schematic diagram illustrating a first state of a heating apparatus according to another exemplary embodiment;

FIG. 13 is a schematic diagram illustrating a second state of a heating apparatus according to another exemplary embodiment;

FIG. 14 is a schematic view of a stacked configuration of a heating apparatus according to an exemplary embodiment.

The reference numerals are explained below:

1. a body; 2. an accommodating cavity; 3. a sample; 4. an electrical line; 10. a door panel; 11. a first clamping part; 12. a hinge assembly; 20. a top cover plate; 21. a first connection portion; 22. a handle; 30. a side plate; 31. a second connecting portion; 32. a second clamping part; 33. welding a stud; 40. a connecting rod; 41. a bayonet; 50. a heater; 51. a temperature control box; 52. an alarm; 53. a diffuser; 60. a seal member; 70. and a caster.

Detailed Description

Exemplary embodiments that embody features and advantages of the present disclosure are described in detail below in the specification. It is to be understood that the disclosure is capable of various modifications in various embodiments without departing from the scope of the disclosure, and that the description and drawings are to be regarded as illustrative in nature, and not as restrictive.

In the following description of various exemplary embodiments of the disclosure, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the disclosure may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present disclosure. Moreover, although the terms "over," "between," "within," and the like may be used in this specification to describe various example features and elements of the disclosure, these terms are used herein for convenience only, e.g., in accordance with the orientation of the examples in the figures. The plurality described in this disclosure is at least two. Nothing in this specification should be construed as requiring a specific three dimensional orientation of structures in order to fall within the scope of this disclosure.

One embodiment of the present invention provides a heating mantle, please refer to fig. 1 to 14, the heating mantle is used for accommodating a sample 3, the heating mantle comprises a body 1, the body 1 comprises a plurality of plate bodies, at least one plate body in the plurality of plate bodies is foldable and/or detachable.

The heating cover of one embodiment of the invention comprises a plurality of plate bodies, at least one of the plate bodies can be folded and/or detachably arranged, namely, at least part of the body 1 can be folded or detached after the heating cover is used, so that the space occupation rate of the body 1 is reduced, and the maintenance of the body 1 is facilitated.

In one embodiment, a plurality of panels are removably arranged to be completely disassembled after use for storage and maintenance, and the final disassembled and stacked configuration is shown in fig. 14.

In one embodiment, a plurality of plate bodies can be arranged in a folding mode so as to be completely folded after being used, and the plate bodies are convenient to store and maintain.

In one embodiment, the plurality of plate bodies includes: a main body plate assembly having a receiving chamber 2 for receiving a sample 3, a side portion of the main body plate assembly having a first opening; the door plate 10 is connected with the main body plate assembly, and the door plate 10 is used for shielding the first opening; wherein the door panel 10 is foldable, and/or detachable, relative to the body panel assembly. The door 10 and the main board assembly form a containing space for placing the sample 3, and the sample 3 may be a battery.

In one embodiment, the accommodating cavity 2 may be an accommodating space formed or enclosed by a plurality of plate bodies, or an accommodating space formed by arranging grooves and the like on the plate bodies.

In one embodiment, the bottom of the main body plate assembly has a second opening, i.e. the bottom of the body 1 is open, i.e. the body 1 covers the sample 3, and the heating cover is convenient to cover the sample 3 when in use.

In one embodiment, the main body plate assembly has two opposite first openings and one second opening, the two first openings are respectively located at two sides of the second opening, the two first openings can be respectively shielded by two door panels 10, or one first opening can be shielded by one door panel 10, and the other first opening is not shielded, and is shielded by other structures in the use environment when in specific use, such as a wall surface and the like.

In one embodiment, the sample 3 enters the receiving cavity 2 through a first opening, and the bottom of the body 1 is open, i.e. has a second opening.

In one embodiment, the door panels 10 are disposed in pairs, and the two door panels 10 in the pair are respectively connected to two ends of the main body panel assembly to respectively cover the two first openings. Two door plant 10 and main part board subassemblies in pairs will hold cavity 2 and seal, and whole body 1 has a second opening promptly, and when using, because the second opening is located the bottom of body 1, has closed it with the help of the basement (like ground) of placing body 1 promptly to guarantee the leakproofness of body 1, guarantee that the inside temperature of body 1 is comparatively stable.

In one embodiment, as shown in fig. 8 and 9, the main body plate assembly includes: a top cover plate 20; and the side plates 30 are arranged in pairs, the two side plates 30 in the pair are respectively connected to two sides of the top cover plate 20, and at least one of the top cover plate 20 and the side plates 30 is connected with the door panel 10. The top cover plate 20 and the two side plates 30 enclose a U-shaped accommodating cavity 2, and the door plate 10 covers the end of the accommodating cavity 2, and the door plate 10 can be detached or folded on the top cover plate 20 or the side plates 30.

In one embodiment, the body plate assembly may be a receiving cavity 2 enclosing a V-shape.

In one embodiment, at least one of the two side panels 30 is foldable, and/or detachable, with respect to the top cover panel 20. The side plates 30 and the top cover plate 20 are also foldable or detachable, that is, the whole body 1 can be enclosed to form the accommodating cavity 2 when in use, and the accommodating cavity is detached or folded for storage when in storage, so that the space is reduced, and the maintenance is convenient.

In one embodiment, the top cover panel 20 is removably disposed on top of the two side panels 30. That is, after the top cover plate 20 is detached from the top of the two side plates 30, the top cover plate 20 and the two side plates 30 are separated bodies.

In one embodiment, as shown in fig. 6 and 7, the top cover plate 20 is provided with a first connecting portion 21, the side plate 30 is provided with a second connecting portion 31 matching with the first connecting portion 21, and the first connecting portion 21 and the second connecting portion 31 are detachably connected. The arrangement of the first coupling portion 21 and the second coupling portion 31 can stably arrange the top cover panel 20 on the top of the two side panels 30.

In one embodiment, the first connecting portion 21 is a groove, the second connecting portion 31 is a protrusion, and the protrusion is inserted into the groove; or, the first connecting portion 21 is a protrusion, the second connecting portion 31 is a groove, and the protrusion is inserted into the groove; or, the first connecting portion 21 and the second connecting portion 31 are both snap-fit, and the first connecting portion 21 and the second connecting portion 31 are snap-fit. The first connecting portion 21 and the second connecting portion 31 are selected as long as they are conveniently separated, and are not limited herein.

In one embodiment, the first connecting portion 21 and the second connecting portion 31 may be a combination of a positioning pin and a positioning pin hole, that is, the top cover plate 20 is directly placed on the two side plates 30 to achieve positioning and fixing, and the detachment is also convenient. The first connecting portion 21 and the second connecting portion 31 may be a positioning pin and a positioning pin hole, or the first connecting portion 21 and the second connecting portion 31 may be a positioning pin and a positioning pin, respectively.

In one embodiment, the first connection portion 21 and the second connection portion 31 are both plural, thereby ensuring the stability of the connection. For example, the number of the first connecting portions 21 and the number of the second connecting portions 31 are 4, 2 second connecting portions 31 are respectively provided on the two side plates 30, and 4 first connecting portions 21 are provided on the top cover plate 20.

In one embodiment, as shown in fig. 1 and 5, the body 1 further comprises: a connecting rod 40; one end of the connecting rod 40 is hinged to the top cover plate 20, and when the connecting rod 40 rotates relative to the top cover plate 20, the other end of the connecting rod 40 is separated from or clamped with the side plate 30; or, one end of the connecting rod 40 is hinged to the side plate 30, and when the connecting rod 40 rotates relative to the side plate 30, the other end of the connecting rod 40 is separated from or clamped with the top cover plate 20. The connecting rods 40 are used to support the top cover plate 20, i.e., to increase the support on the basis of the connection of the first connecting portion 21 and the second connecting portion 31.

In one embodiment, the top cover plate 20 and the side plate 30 are connected by the first connecting portion 21 and the second connecting portion 31, and the connecting rod 40 is clamped, that is, there are no bolts and other parts on the whole two structures, so that the top cover plate 20 and the side plate 30 can be detached more conveniently, and the connection stability is better.

In one embodiment, the connecting rods 40 are plural, the connecting rods 40 are connected between the top cover plate 20 and the two side plates 30, and the plural connecting rods 40 can stably support the top cover plate 20.

In one embodiment, as shown in fig. 5 and 7, the side plate 30 is provided with a welding stud 33, the connecting rod 40 is provided with a bayonet 41, the connecting rod 40 is rotatably provided on the top cover plate 20, the bayonet 41 is engaged with the welding stud 33 by rotating the connecting rod 40 when mounting, and the bayonet 41 is disengaged from the welding stud 33 by rotating the connecting rod 40 when dismounting or folding.

In one embodiment, the door panel 10 is removably attached to two side panels 30. After the body 1 is assembled, the door panel 10 is connected with the two side plates 30, so that the sealing performance of the accommodating cavity 2 is guaranteed, and the door panel 10 can be detached after the use is completed.

In one embodiment, the door panel 10 is hinged to one side panel 30 and snap-fitted to the other side panel 30. The door panel 10 is a swivel member that is connected to the side panel 30 by a hinge assembly 12, although the hinge assembly 12 is also removable to ensure that the door panel 10 can be removed from the side panel 30.

In one embodiment, as shown in fig. 1 and fig. 4, a first fastening portion 11 is disposed on the door panel 10, a second fastening portion 32 adapted to the first fastening portion 11 is disposed on the side panel 30, the first fastening portion 11 is fastened to the second fastening portion 32, and the door panel 10 and the side panel 30 can be fastened together and detached from each other.

In one embodiment, the side plate 30 is provided with a first fastening portion 11 at a side away from the second fastening portion 32, so that the first fastening portion 11 of one body 1 can be fastened with the second fastening portion 32 of the other body 1 after the door panel 10 is folded or detached. Two bodies 1 can splice, namely when length is not enough, can splice a plurality of bodies 1 in proper order to this reaches the demand that increases length, and the setting of the first joint portion 11 and the second joint portion 32 of curb plate 30 both sides can splice the body 1 of the same structure, need not install coupling mechanism again promptly when follow-up concatenation promptly, and the structure after concrete concatenation is as shown in fig. 12 and fig. 13.

In one embodiment, the number of the door panels 10 is two, the structures of the two door panels 10 are the same, the structures of the two side panels 30 are also the same, when the first clamping portion 11 and the second clamping portion 32 are two different structures, that is, when the clamping hook and the clamping ring are matched, the connection mode in fig. 1 can be referred to, that is, the first clamping portion 11 of one side panel 30 corresponds to the second clamping portion 32 of the other side panel 30, and the first clamping portion 11 and the second clamping portion 32 on the two side panels 30 are arranged in a crossed manner, and accordingly, the arrangement positions of the hinge assembly 12 and the first clamping portion 11 on the door panel 10 are matched therewith.

In one embodiment, it is not excluded that the first fastening portion 11 and the second fastening portion 32 have the same structure, and the hinge position and the fastening position of the two door panels 10 can be adjusted freely.

In one embodiment, the plurality of plate bodies includes: a main body plate assembly having a receiving chamber 2 for receiving a sample 3; the both sides of main part board subassembly are provided with first joint portion 11 and second joint portion 32 respectively to make the first joint portion 11 of a body 1 can with the second joint portion 32 looks joint of another body 1. The plurality of plate bodies may be only composed of the main body plate assembly, that is, compared with the above-mentioned main body 1, the main body 1 of the present embodiment only includes the main body plate assembly without the door panel 10, and at this time, the main body plate assembly may be directly spliced without considering the detachment or folding of the door panel 10. For the specific structure and connection of the main body panel assembly, reference may be made to the above-mentioned manner, such as including the top cover panel 20 and the two side panels 30.

In one embodiment, when the main body 1 only includes the main body panel assembly, and there is no door panel 10, that is, two first openings are provided on two sides of the main body 1, the first openings are shielded by other structures in the use environment, such as wall surfaces, other external panel members, etc., during specific use.

In one embodiment, the splicing between the bodies 1 can also be direct butt joint, i.e. there is no connection relationship between the two.

In one embodiment, the heating cover includes a body 1, and the body 1 includes only a main body plate assembly, the main body plate assembly includes a top cover plate 20 and two side plates 30, and the top cover plate 20 and the two side plates 30 are both fixedly connected, i.e. not foldable or detachable, but the two main body plate assemblies can be butted, for example, a first clamping portion 11 and a second clamping portion 32 are respectively disposed on two sides of the main body plate assembly, so that the first clamping portion 11 of one body 1 can be clamped with the second clamping portion 32 of another body 1.

In one embodiment, the heating cover further comprises a sealing gasket, and the sealing gasket is arranged between the two connected plate bodies. The sealing gasket mainly prevents heat inside the accommodating cavity 2 from dissipating and also has a buffering effect on two connected plate bodies.

In one embodiment, at least one of the plurality of plate bodies comprises a metal frame, a metal plate, and an acrylic plate, both disposed within the metal frame; wherein, be provided with the heat preservation on the metal sheet to this heat that reduces body 1 inside through the metal sheet effluvium. The metal frame and the metal plate play a supporting role, and the acrylic plate is not only light, but also can be a visible plate body, namely the test condition inside the body 1 can be seen from the outside.

In one embodiment, as shown in fig. 1, the bottom of the body 1 is provided with a sealing member 60, and at least a portion of the sealing member 60 is made of a flexible material. The provision of the seal 60 not only provides sealing, but the flexible seal 60 also facilitates the passage of electrical lines 4 and the like from the interior of the body 1, as shown in fig. 13.

In one embodiment, the sealing member 60 is a sealing brush strip, which is integrally strip-shaped, thereby ensuring sealing against the bottom of the body 1.

In one embodiment, as shown in fig. 1 and 3, the bottom of the body 1 is open, i.e. the bottom of the body 1 has a second opening; the bottom of the body 1 is provided with casters 70. Through being provided with truckle 70 on body 1 to can promote the heating mantle and remove when using, the turnover is convenient, with the demand of different detection positions of this adaptation.

In one embodiment, the body 1 is provided with a handle 22, the handle 22 is used for an operator to push the body 1 to grasp, during a specific use process, the sample 3 can be placed at a preset position, and then the heating cover is pushed, so that the sample 3 enters the accommodating cavity 2 through the first opening.

In one embodiment, casters 70 are provided on both side plates 30, so that the body 1 can be stably supported and the heating mantle can be easily pushed to move.

In one embodiment, the seal 60 is in contact with the plane of the caster 70, the seal 60 being arranged to seal against the bottom of the body 1.

In one embodiment, the seal 60 is a hair filament. The arrangement of the broken filaments not only facilitates leading out of the electric circuit 4 and heat preservation, but also avoids influencing the sliding of the caster 70.

In one embodiment, the wool is nylon, plastic, stainless steel wire, pig hair, horsetail, sisal, etc., which can enhance the wear resistance of the wool as the wool contacts the ground during movement with the body 1.

In one embodiment, the sealing member 60 is disposed at the outer side of the body 1, so that the wear state of the sealing member 60 can be determined and the replacement is convenient.

In one embodiment, the heating cover further comprises a base, the sealing element 60 is arranged on the base, the base is fixed on the body 1 through screws, and the sealing element 60 is detachably arranged on the base, so that the worn-out replacement is facilitated. Wherein, the base can be an aluminum alloy base.

In one embodiment, the circumferential outer sides of the body 1 are each provided with a seal 60, i.e., the bottom of the door panel 10 and the side panel 30 are each provided with a seal 60.

An embodiment of the present invention further provides a heating device, please refer to fig. 1 to 14, the heating device includes the heating cover and the heater 50 of the heating device, and the heater 50 is disposed on the body 1.

The heating device according to an embodiment of the present invention heats the interior of the body 1 through the heater 50, and at least one of the plurality of plate bodies is foldable and/or detachably disposed, that is, at least a part of the body 1 can be folded or detached after use, so as to reduce the space occupation rate of the body 1 and facilitate maintenance of the body 1.

In one embodiment, the heater 50 is a PTC fan heater, or a finned ceramic PTC electric heater, without limitation.

In one embodiment, as shown in fig. 1 and 6, the heating device further includes: diffuser 53, diffuser 53 is set inside the body 1, diffuser 53 and heater 50 are communicated. The diffuser 53 can be communicated with the heater 50 through a pipeline, that is, it is ensured that the hot air discharged from the heater 50 is discharged into the body 1 through the diffuser 53, so that the air is uniformly discharged from four sides of the inside of the body 1.

In one embodiment, as shown in fig. 1, the heating device further comprises: a temperature control box 51, wherein the temperature control box 51 is arranged on the body 1 and is arranged at intervals with the heater 50; and/or an alarm 52, wherein the alarm 52 is arranged on the body 1 and is spaced from the heater 50.

In one embodiment, the heater 50, the temperature control box 51, the alarm 52 and the diffuser 53 are all disposed on the body 1, the heater 50, the temperature control box 51 and the alarm 52 are disposed at intervals and located on a metal plate of the body 1, and the diffuser 53 is also disposed on the metal plate. The temperature control box 51 may be an intelligent temperature control box, and the alarm 52 may be an audible and visual alarm.

The heating device provided by the embodiment of the invention is a heating cover device, the sample 3 can be a battery pack, the heating cover device can provide a small peripheral heating environment for the power battery pack, and the heating cover device has the advantages of good heating effect, simplicity in assembly, capability of being pushed and pulled to move, expandable space, high perspective, light weight, small storage space occupation, low cost and the like, can solve the product delivery problem of a battery manufacturer in low-temperature weather on one hand, does not need to spend high cost or delay delivery nodes on the other hand, and solves the problem troubles of high cost of the battery manufacturer, equipment storage, maintenance and the like when the product is subjected to a high-temperature test on the other hand. The heating cover device is used for realizing low-temperature heating of the small environment at the periphery of the power battery pack and comprises a body 1, a PTC (positive temperature coefficient) fan heater, an intelligent temperature control box, an audible and visual alarm, a diffuser 53, a matched electric circuit 4 and the like. The main body 1 is a core structure, and is composed of five parts, i.e., a top cover plate 20, a left side plate and a right side plate (two paired side plates 30), a front door plate and a rear door plate (two paired door plates 10), as shown in fig. 1, where a, b, c, d, e, f, h, g, s, and t respectively represent each area on a plate body, as an embodiment.

The top cover plate 20: the structure is a flat rectangular structure (the length-width ratio is 1.6:1) and comprises a stainless steel square tube profile welding frame, a stainless steel plate, an acrylic plate and the like, wherein a and b are acrylic plate areas, and c, d and e are stainless steel plate areas; c, 4 mounting holes and 1 wire passing hole are formed in the middle area and used for fixing the intelligent temperature control box and leading 2 temperature detection wires of the intelligent temperature control box to the lower side of the top cover plate 20; d, processing a rectangular notch and a mounting hole in the middle area for embedding and fixing the PTC heater unit; d installing a diffuser 53 below the middle area; e, mounting an audible and visual alarm above the middle area; 1 handle 22 is welded above two short edges of the top cover plate 20; 1 positioning pin is welded below each of the four corners of the top cover plate 20 (for butt joint with a positioning pin hole at the top of the side plate, namely butt joint of the first connecting part 21 and the second connecting part 31); 2 connecting rods 40 are respectively arranged on the inner sides of two short sides of the top cover plate 20, one end of each connecting rod 40 is punched and fixed on a welding stud of the top cover plate 20 and can freely rotate by taking the stud as an axis, and a semi-closed hole is reserved at the other end of each connecting rod 40 and is a bayonet 41 and can be clamped and sleeved on the welding stud 33 of the side plate 30; cushion rubber pads are arranged at the splicing positions of the periphery of the top cover plate frame, the side plates 30 and the door plate 10; and heat insulation cotton is pasted on the idle area on the surface of the stainless steel plate on the inner side of the top cover plate.

Left/right side panel: the structure is a vertically placed rectangular structure (the width-height ratio is 1.6:1), the left side plate and the right side plate are mirror image structures, the right side plate is taken as an example and consists of a stainless steel square pipe profile welding frame, a stainless steel plate, an acrylic plate and the like, wherein h is an acrylic plate area, and f and g are stainless steel plate areas; 1 snap ring (the left half of the buckle component is the second clamping part 32) is welded on the upper and lower sides of the outer side of the left vertical edge of the side plate; 1 welding stud 33 is respectively arranged above the inner sides of the left vertical edge and the right vertical edge of the side plate; 1 clamping hook (the right half part of the buckle assembly is a first clamping part 11) and 1 half hinge (the lower part of the hinge assembly 12) are respectively welded at the upper part and the lower part of the outer side of the right vertical edge of the side plate; positioning pin holes are reserved at two corners of the top edge of the side plate; two ends of the bottom edge of the side plate are respectively provided with 1 universal caster 70; the sealing element 60 is arranged at the bottom edge of the side plate; cushion rubber pads are arranged at the splicing positions of the side plate frame, the top cover plate 20 and the door plate 10; and heat insulation cotton is stuck on the surface of the stainless steel plate on the inner side of the side plate.

Front door panel/rear door panel: the door plate is a vertically placed rectangular structure body (the width-to-height ratio is 1:1), the front door plate and the rear door plate are mirror image structures, the rear door plate is taken as an example and consists of a stainless steel square pipe profile welding frame, a stainless steel plate, an acrylic plate and the like, wherein t (a round corner rectangular area) is an acrylic plate area, and s (a t peripheral area) is a stainless steel plate area; 1 half hinge (the upper part of the hinge component 12) is welded on the upper and lower sides of one vertical edge of the door panel, and 1 clamping hook (the left half part of the clamping component, namely the first clamping part 11) is welded on the upper and lower sides of the other vertical edge; one end of the bottom edge of the door panel is provided with 1 universal caster 70; the sealing element 60 is arranged at the bottom edge of the door panel; cushion rubber pads are arranged at the splicing positions of the door panel frame, the top cover plate 20 and the side plates 30; the surface of the stainless steel plate on the inner side of the door panel is adhered with heat insulation cotton, and the hinge assembly 12 can be seen in fig. 2.

PTC blower fan: the finned ceramic PTC electric heater can be selected, and when the heater works normally, the surface temperature of the heater is lower than 100 ℃, the surface of the heater is uncharged, and the heater is designed to be fully sealed and moisture-proof, so that the safety is extremely high.

Intelligent temperature control box: the temperature control box is a rectangular box body, the box body is made of carbon steel, insulating paint is sprayed on the surface of the box body, a slot and a mounting hole are processed on the box body, and 2 temperature controllers, 1 rocker switch, 1 indicator light and 2 three-hole sockets are mounted on the box body; the temperature controller is an electronic temperature controller, is designed by an industrial-grade singlechip and is provided with a digital display screen, the temperature control setting range is-9-99 ℃, the precision error is +/-1 ℃, and the temperature controller has two operation modes of high-temperature starting and low-temperature starting, and each temperature controller is provided with 1 temperature acquisition line and 1 temperature probe; one temperature controller is used for monitoring the temperature in the body 1 and controlling the PTC heater unit to start and stop, and the other temperature controller is used for monitoring the temperature in the body 1 and controlling the audible and visual alarm to start and stop; one three-hole socket is a mains supply input interface of the intelligent temperature control box, and the other three-hole socket is a load output interface of the intelligent temperature control box (the interface is connected with a PTC (positive temperature coefficient) fan heater); the rocker switch is connected in series with a live wire of a mains supply input loop of the intelligent temperature control box and is a power switch of the intelligent temperature control box; the indicator light is connected in parallel between the live line and the zero line of the load output circuit of the intelligent temperature control box and used for indicating the working state of the PTC heater unit.

Audible and visual alarm: the working alarm for the alternating current 220V power supply has the double functions of sound alarm and rotary light alarm, and the working power supply is controlled to be switched on and off by a temperature controller of the intelligent temperature control box.

The diffuser 53: for the square air-out shutter window that is used for the pipeline to ventilate, the aluminum alloy material, its air outlet upper end integration has a section square pipeline of 10cm length, and this pipeline other end docks with the PTC electric fan heater of lamina tecti mid-mounting, guarantees that the PTC electric fan heater when work goes out the hot-blast, and the air-out is even in heating cover inside four sides.

For the specific assembly process of the heating mantle device in this embodiment:

step 1: the PTC fan heater, the diffuser 53, the intelligent temperature control box and the acousto-optic alarm are installed on the top cover plate 20, and other parts are assembled when being processed and delivered from a factory, as shown in the state of fig. 11 to fig. 10;

step 2: combining a top cover plate 20, a left/right side plate and a front/rear door plate with reference to fig. 1 to form a body 1, wherein the top cover plate 20 and the left/right side plate are in limit butt joint through a positioning pin and a positioning pin hole and are in support connection through a connecting rod 40, and the door plate 10 and the side plate 30 are in rotating shaft connection through a hinge assembly 12 and can be sealed through a buckle assembly;

and 3, step 3: electrical circuit connection is carried out on the PTC heater unit, the intelligent temperature control box, the audible and visual alarm and other electrical components;

and 4, step 4: referring to fig. 8, a battery pack is placed on the ground, the door plate 10 is opened, the heating device is pushed by the handle 22 until the battery pack is covered, if the battery pack is too large or a plurality of battery packs are covered, the bodies 1 can be expanded (two bodies 1 are spliced in the length direction, the door plates 10 at the splicing positions are removed, and the hook and the snap ring on the side plates 30 are connected and locked to achieve the doubling of the heating space, so that the problem of overlarge volume of a single pack is solved or a certain number of battery packs are covered by using the bodies 1 with the smallest possible number;

and 5: a test circuit of the battery pack is connected in the body 1, the circuit can be led out to test equipment from any position of a sealing element 60 at the bottom of the body, and then a front door plate and a rear door plate are sealed through a buckle assembly;

step 6: connecting the commercial power to the intelligent temperature control box, closing a rocker switch, setting the working temperature range of the temperature controller, and starting the heating device to work;

and 7: after the heating device heats the battery pack and tests, if no subsequent heating task is available for a long time, the body 1 can be disassembled, the disassembly is divided into five plate bodies, and the plate bodies after the disassembly can be stacked and placed at the specified position of a test plant, as shown in fig. 14.

Each part of the heating device has the functions of quick assembly and disassembly, all plate bodies are not connected through bolts, the heating device can be stacked and placed after disassembly, the volume is reduced by 70% after stacking, the heating device is convenient to store, small in occupied space and free of deliberate maintenance, and the problems that a plurality of test boxes occupy large space and are high in maintenance cost can be solved; the body is provided with the trundles and the handles, and has a movable function, so that the battery packs at different positions can be actively accommodated and conveniently changed, and the problem of inconvenient position transfer of the test box can be solved; the hinge assembly and the buckle assembly have the functions of expanding the volume and doubling the heating space, the doubling of the heating space is simply realized, the problem that the test box cannot heat objects exceeding the self heating space can be solved, and meanwhile, the higher space utilization rate can be brought to a plurality of heating objects; the acrylic plates are inlaid in the plate bodies, the plates are colorless and transparent, the function of observing the internal state of the device in a perspective manner is achieved, the surface perspective area proportion of the device reaches 65%, the internal heating state can be conveniently observed from multiple angles, compared with a test box, the risk that the internal part of the equipment is abnormal and cannot be actively observed is greatly reduced, and the use safety is improved; the air heater is matched with the high-precision temperature controller, the air diffuser, the sealing piece and the buffer rubber pads at all splicing positions, so that the maximum temperature difference in the heating cover is not more than 2 ℃, the temperature precision deviation is not more than 1 ℃, the air heater has the advantages of uniform heating temperature and good heat preservation effect, can be applied indoors and outdoors (ensuring the ground to be smooth), can solve the problem of temperature condition restriction when a battery pack is subjected to capacity and electric quantity test in a severe environment, and has strong practicability and low cost; the square tube welding frame is matched with a stainless steel thin plate (1mm thick) and an acrylic plate, the weight of the device in a volume space of 1.6m (long) x 1m (wide) x 1m (high) is not more than 50kg, the device has light weight performance, is convenient to carry and circulate, realizes the operation of single manpower, and can solve the problem of difficulty in carrying and circulating a test box; compared with a high-temperature test box device with the same heating parameters in the market, the high-temperature test box device has the advantages that the heating space is 1.6m (long) multiplied by 1m (wide) multiplied by 1m (high), the heating temperature range is from room temperature to 60 ℃, the heating temperature difference is less than or equal to 2 ℃, the temperature deviation is less than or equal to 1 ℃, the price is lower than 1 order of magnitude, and the high-temperature test box device has high cost performance.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and exemplary embodiments be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A heating mantle for containing a sample (3), characterized in that it comprises a body (1), said body (1) comprising a plurality of plates, at least one of which is foldable and/or detachable;

the plate body comprises a main plate component and a door plate (10), the main plate component is provided with a containing cavity (2) for containing the sample (3), the side part of the main plate component is provided with a first opening, the door plate (10) is connected with the main plate component so as to shield the first opening, and the door plate (10) is foldable relative to the main plate component and/or detachable; the main body plate assembly includes:

a roof panel (20);

the side plates (30) are arranged in pairs, the two paired side plates (30) are respectively connected to two sides of the top cover plate (20), and at least one of the top cover plate (20) and the side plates (30) is connected with the door panel (10);

wherein at least one of the two side panels (30) is foldable, and/or detachable, with respect to the top cover panel (20);

the body (1) further comprises a connecting rod (40);

one end of the connecting rod (40) is hinged to the top cover plate (20), and when the connecting rod (40) rotates relative to the top cover plate (20), the other end of the connecting rod (40) is separated from or clamped with the side plate (30); or the like, or a combination thereof,

one end of the connecting rod (40) is hinged on the side plate (30), and the connecting rod (40)

When rotating relative to the side plate (30), the other end of the connecting rod (40) is separated from or clamped with the top cover plate (20).

2. The heating mantle of claim 1, wherein a bottom of the main body plate assembly has a second opening.

3. The heating mantle as set forth in claim 2, wherein the top cover plate (20) is provided with a first connecting portion (21), the side plate (30) is provided with a second connecting portion (31) adapted to the first connecting portion (21), and the first connecting portion (21) and the second connecting portion (31) are detachably connected.

4. The heating jacket according to claim 1, wherein the connecting rods (40) are plural, and the connecting rods (40) are connected between the top cover plate (20) and both of the side plates (30).

5. The heating jacket according to claim 2, characterized in that the door panel (10) is detachably connected to both side panels (30).

6. The heating mantle as claimed in claim 5, wherein one side of the door panel (10) is hinged to one of the side panels (30) and the other side of the door panel (10) is snapped into engagement with the other side panel (30).

7. The heating mantle as claimed in claim 6, wherein the door panel (10) is provided with a first clamping portion (11), the side plate (30) is provided with a second clamping portion (32) adapted to the first clamping portion (11), and the first clamping portion (11) and the second clamping portion (32) are clamped.

8. The heating mantle of claim 7, characterized in that one side of the side plates (30) far away from the second clamping portion (32) is provided with the first clamping portion (11), so that after the door plate (10) is detached, the first clamping portion (11) on the side plate (30) of one body (1) can be clamped with the second clamping portion (32) on the side plate (30) of the other body (1).

9. The heating mantle of claim 1, further comprising a gasket, wherein the gasket is disposed between each of the two connected plates.

10. The heating jacket according to claim 1, characterized in that the bottom of the body (1) is provided with a seal (60), at least part of the seal (60) being made of a flexible material.

11. A heating device, characterized by comprising a heating mantle and a heater (50) according to any one of claims 1 to 10, said heater (50) being arranged on said body (1).