CN218100024U

CN218100024U - Local heat preservation device for parts in environment box

Info

Publication number: CN218100024U
Application number: CN202222370935.1U
Authority: CN
Inventors: 任浩源; 谢洋; 康强
Original assignee: Shanghai Motor Vehicle Inspection Certification and Tech Innovation Center Co Ltd
Current assignee: Shanghai Motor Vehicle Inspection Certification and Tech Innovation Center Co Ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-12-20
Anticipated expiration: 2032-09-06

Abstract

The utility model relates to a local heat preservation device for spare part in environment box. The local heat preservation device comprises an air inlet fan and an air outlet fan; an air duct assembly; the heating and refrigerating box is used for heating or refrigerating the normal temperature air; the sealing assembly is arranged on a part needing heat preservation in the environment box, the sealing assembly is communicated with the heating and refrigerating box through the air pipe assembly, and hot/cold air generated by the heating and refrigerating box is conveyed into the sealing assembly through the air pipe assembly; the sealing assembly is further communicated with the air outlet fan through the air pipe assembly, and air in the sealing assembly is discharged to the outside of the local heat preservation device through the air pipe assembly and the air outlet fan. The utility model provides a local heat preservation device for spare part in environment box, its convenient assembling can realize carrying out local heat preservation to the spare part in the environment box, and convenient to use and effectual.

Description

Local heat preservation device for parts in environment box

Technical Field

The utility model relates to an automotive test technical field especially relates to a local heat preservation device that is used for spare part in the environment box.

Background

In the related test performed in the high and low temperature environment, the sample or the part of the device under the high and low temperature environment sometimes needs to be thermally insulated due to the limitation of the test equipment or the test method. It is desirable to minimize the damage to the remaining test parts or non-test areas due to temperature effects without changing the environmental conditions of the test parts or areas.

At present, the main method for local cooling in the environmental chamber is to blow air locally by an electric fan or an air amplifier, or to wrap a water bag on the outer surface of the component. The former has limited refrigeration effect, the latter needs to be contacted with a sample piece, the structure is relatively complex, the application range is small, and uncontrollable damage is easy to generate once water leakage occurs.

The heat preservation in the low-temperature environment is mainly carried out in an electric blanket mode, and the method needs to be in contact with a sample piece and is not suitable for all situations.

SUMMERY OF THE UTILITY MODEL

To the above problem of prior art, the utility model provides a local heat preservation device for spare part in the environment box can realize carrying out local heat preservation to the spare part in the environment box, and convenient to use and effectual.

Specifically, the utility model provides a local heat preservation device for spare part in environment box, include:

an air inlet fan and an air outlet fan;

an air duct assembly;

the heating and refrigerating box is used for introducing external normal-temperature air through the air inlet fan and is used for heating or refrigerating the normal-temperature air;

the sealing assembly is arranged on a part needing heat preservation in the environment box, the sealing assembly is communicated with the heating and refrigerating box through the air pipe assembly, and hot/cold air generated by the heating and refrigerating box is conveyed into the sealing assembly through the air pipe assembly; the sealing assembly is further communicated with the air outlet fan through the air pipe assembly, and air in the sealing assembly is discharged to the outside of the local heat preservation device through the air pipe assembly and the air outlet fan.

According to the utility model discloses an embodiment, heating and refrigerating device includes the box and sets up removable heating and refrigerating subassembly on the box, heating and refrigerating subassembly is electrothermal tube or vortex tube, the electrothermal tube is used for heating air in the box, the vortex tube is used for generating cold air in the box.

According to the utility model discloses an embodiment, the tuber pipe subassembly is including connecting heating refrigeration case and seal assembly's air inlet pipeline and connection seal assembly and air-out fan's air-out pipeline is at least the air inlet pipeline covers a thermal resistance layer outward.

According to the utility model discloses an embodiment, seal assembly includes air inlet subassembly, air-out subassembly, sealing layer and insulating layer, the sealing layer is in form an airtight space between spare part, air inlet subassembly and the air-out subassembly, the insulating layer parcel is in the periphery of sealing layer, air inlet subassembly, air-out subassembly respectively with tuber pipe subassembly intercommunication.

According to the utility model discloses an embodiment, the air inlet subassembly includes first braced frame be equipped with air intake and first thermocouple on the first braced frame, first braced frame's periphery is twined the sealing layer, the air intake with tuber pipe subassembly intercommunication for introduce by the hot/cold air that the heating refrigeration case generated, first thermocouple is used for acquireing the air temperature of air intake.

According to the utility model discloses an embodiment, the air-out subassembly includes second braced frame be equipped with air outlet and second thermocouple on the second braced frame, second braced frame's periphery is twined the sealing layer, air outlet and tuber pipe subassembly intercommunication are used for discharging air in the sealing layer, the second thermocouple is used for acquireing the air temperature of air outlet.

According to the utility model discloses an embodiment still be equipped with the outlet on the second braced frame, the outlet is used for holding the access sealing assembly's pipeline.

According to an embodiment of the present invention, the sealing layer is made of a PER film.

According to an embodiment of the present invention, the thermal barrier is made of aerogel felt.

According to the utility model discloses an embodiment, the insulating layer adopts the aerogel felt to make.

The utility model provides a pair of a local heat preservation device for environment incasement spare part through heating the normal atmospheric temperature air or leading-in to environment incasement spare part after refrigerating, enables its part and keeps constant temperature, and this local heat preservation device does not change environment incasement structural arrangement, and convenient to use can improve environment case continuous test efficiency.

It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory and are intended to provide further explanation of the invention as claimed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a local thermal insulation device for parts in an environmental chamber according to an embodiment of the present invention.

Fig. 2 shows a schematic view of the heating and cooling box of fig. 1.

Fig. 3 shows a schematic structural view of the sealing assembly of fig. 1.

Fig. 4 shows a schematic view of the air intake assembly of the sealing assembly of fig. 3.

Fig. 5 shows a schematic structural diagram of the air outlet assembly of the sealing assembly in fig. 3.

Fig. 6 shows a state diagram of a local thermal insulation device for parts in an environmental chamber according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

local thermal insulation device 100

Air intake fan 110

Air outlet fan 120

Air duct assembly 130

Heating and cooling box 140

Case 141

Heating and cooling assembly 142

Seal assembly 150

Air intake assembly 151

Air outlet assembly 152

Sealing layer 153

Insulation layer 154

First support frame 1511

Air intake 1512

First thermocouple 1513

Second supporting frame 1521

Air outlet 1522

Second thermocouple 1523

Outlet 1524

Environmental chamber 200

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; above" may include both orientations "at 8230; \8230; above" and "at 8230; \8230; below". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited. Further, although the terms used in the present application are selected from publicly known and used terms, some of the terms mentioned in the specification of the present application may be selected by the applicant at his or her discretion, the detailed meanings of which are described in relevant parts of the description herein. Further, it is required that the present application is understood, not simply by the actual terms used but by the meaning of each term lying within.

Fig. 1 shows a schematic structural diagram of a local thermal insulation device for parts in an environmental chamber according to an embodiment of the present invention. As shown, the present invention provides a local thermal insulation device 100 for parts in an environmental chamber. The local thermal insulation device 100 mainly comprises an air inlet fan 110, an air outlet fan 120, an air pipe assembly 130, a heating and refrigerating box 140 and a sealing assembly 150.

Wherein, the heating and cooling box 140 introduces the outside normal temperature air through the air intake fan 110. The heating and cooling box 140 serves to heat or cool the normal temperature air to generate hot/cold air.

The seal assembly 150 is disposed on the component within the environmental chamber that requires insulation. The sealing assembly 150 is communicated with the heating and refrigerating box 140 through the air duct assembly 130. Hot/cold air generated by the heating and cooling box 140 is delivered into the sealing assembly 150 via the air duct assembly 130 for heat preservation of the components. The sealing assembly 150 is also communicated with the air outlet fan 120 through the air pipe assembly 130. The air inside the sealing assembly 150 is discharged to the outside of the local thermal insulation apparatus 100 through the air duct assembly 130 and from the air outlet fan 120. The local heat preservation device 100 forms an internal gas passage which is composed of an air inlet fan 110, a heating and refrigerating box 140, an air pipe assembly 130, a sealing assembly 150, the air pipe assembly 130 and an air outlet fan 120, so that hot/cold air generated by the heating and refrigerating box 140 is continuously conveyed to the sealing assembly 150, and then the local heat preservation state of parts is achieved.

Fig. 2 shows a schematic view of the heating and cooling box of fig. 1. As shown, the heating and cooling device preferably includes a box 141 and a replaceable heating and cooling module 142 disposed on the box 141. The heating and cooling assembly 142 is an electric heating tube or a vortex tube. The electric heating tube is used for heating air in the box body 141. If it is necessary to generate cold air, the electric heating tube is replaced with a vortex tube for generating cold air in the cabinet 141.

Preferably, the duct assembly 130 includes an air inlet duct (not shown) connecting the heating and cooling box 140 and the sealing assembly 150, and an air outlet duct (not shown) connecting the sealing assembly 150 and the air outlet fan 120. At least one heat-resistant layer is covered outside the air inlet pipeline.

Fig. 3 shows a schematic structural view of the sealing assembly of fig. 1. As shown, the sealing assembly 150 preferably includes an air inlet assembly 151, an air outlet assembly 152, a sealing layer 153, and a thermal insulation layer 154. The sealing layer 153 forms a sealed space between the components, the air inlet assembly 151 and the air outlet assembly 152. Insulation layer 154 is wrapped around the periphery of sealing layer 153. The air inlet assembly 151 and the air outlet assembly 152 are respectively communicated with an air inlet pipeline and an air outlet pipeline of the air pipe assembly 130. It is easy to understand that the air inlet assembly 151 and the air outlet assembly 152 can be arranged side by side on the same side of the sealing assembly 150, so as to be convenient for assembling with the air pipe assembly 130.

Fig. 4 shows a schematic view of the air intake assembly of the sealing assembly of fig. 3. As shown, preferably, the air intake assembly 151 includes a first support frame 1511. An air inlet 1512 and a first thermocouple 1513 are provided on the first support frame 1511. The first support frame 1511 mainly functions as a manufacturing, and the sealing layer 153 is wound around the periphery thereof. The air intake 1512 communicates with the air intake line of the air duct assembly 130 for introducing hot/cold air generated by heating the refrigeration cassette 140. The first thermocouple 1513 is used to obtain the air temperature of the air inlet 1512.

Fig. 5 shows a schematic structural diagram of the air outlet assembly of the sealing assembly in fig. 3. As shown, preferably, the air outlet assembly 152 includes a second support frame 1521. An air outlet 1522 and a second thermocouple 1523 are disposed on the second supporting frame 1521. The second support frame 1521 mainly functions as a manufacturing, and the sealing layer 153 is wound around the periphery thereof. The air outlet 1522 is communicated with an air outlet pipeline of the air pipe assembly 130 and used for discharging air in the sealing layer 153. The second thermocouple 1523 is used for acquiring the air temperature of the air outlet 1522. More preferably, an outlet 1524 is further disposed on the second supporting frame 1521. The outlet 1524 is used to accommodate a pipeline that is routed into the sealing assembly 150, and the pipeline may be a connecting line that connects the first thermocouple 1513 and the second thermocouple 1523 or another cable air pipe that is routed into the sealing assembly 150.

Preferably, the sealing layer 153 is made of a PER film.

Preferably, the thermal barrier is made of aerogel felt. The aerogel felt wraps the periphery of the air inlet pipeline and plays a role in heat insulation.

Preferably, insulation layer 154 is made of aerogel felt. The aerogel felt wraps the periphery of the sealing layer 153 to play a role in heat insulation.

Fig. 6 shows a usage status diagram of the local thermal insulation device for parts in the environmental chamber according to an embodiment of the present invention. During assembly, the seal assembly 150 is first installed on the components within the environmental chamber 200 that require heat preservation. Connected with the heating and refrigerating box 140 and the air outlet fan 120 outside the environmental box 200 through the air duct assembly 130. The heating and cooling box 140 is connected to the air intake fan 110.

If the environment box 200 is at high temperature, the heating and cooling assembly 142 on the heating and cooling box 140 is replaced by a vortex tube (assembly). If the temperature in the environmental chamber 200 is low, the heating and cooling module 142 is replaced with a heating pipe.

After the test is started, the air inlet fan 110 and the air outlet fan 120 are opened. And starting the refrigerating and heating assembly to work.

According to the temperature difference between the first thermocouple 1513 and the second thermocouple 1523, the air volumes of the air inlet fan 110 and the air outlet fan 120 are controlled, so that the hot/cold air generated by the heating and cooling assembly 142 can be conveyed into the sealing assembly 150 through the air pipe assembly 130, stay for a certain time, and then be discharged out of the environmental chamber 200 through the air outlet fan 120 through the air pipe assembly 130.

The utility model provides a local heat preservation device for environment incasement spare part introduces the air intake subassembly of seal assembly through air intake fan with environment incasement outside air through cooling down or after heaing up, makes hot/cold air through needs homothermal appearance part, realizes after the heat exchange, returns outside the environment case from seal assembly's air outlet of air-out subassembly. The local heat preservation is realized by the mode, and compared with the prior art, the method has the following advantages

1. Through the outside cold/hot air of conveying environment case to the environment incasement, compare and blow in the environment incasement portion, can improve local homothermal effect.

2. Through changing heating refrigeration subassembly, can refrigerate and the switching of heating under the condition of spare part state in not changing the environment storehouse to reduce the time of spending on spare part state switches when carrying out high temperature low temperature continuous test, improved environment case continuous test's efficiency.

3. The air inlet assembly and the air outlet assembly of the sealing assembly are designed in a split mode, and can be adapted to parts with different appearance structures, and the sealing assembly has a wide application range.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. A local heat preservation device for parts in an environmental chamber, comprising:

an air inlet fan and an air outlet fan;

an air duct assembly;

the heating and refrigerating box is used for heating or refrigerating the normal temperature air;

2. The apparatus for locally preserving heat of parts in an environmental chamber as claimed in claim 1, wherein the heating and cooling chamber comprises a chamber body and a replaceable heating and cooling component disposed on the chamber body, the heating and cooling component is an electric heating tube or a vortex tube, the electric heating tube is used for heating air in the chamber body, and the vortex tube is used for generating cold air in the chamber body.

3. The apparatus for locally maintaining temperature of a component inside an environmental chamber as set forth in claim 1, wherein said air duct assembly includes an air inlet duct connecting said heating and cooling chamber to a sealing assembly and an air outlet duct connecting said sealing assembly to an air outlet fan, and a heat blocking layer is provided at least on the outside of said air inlet duct.

4. The local thermal insulation device for the parts in the environmental chamber according to claim 1, wherein the sealing component comprises an air inlet component, an air outlet component, a sealing layer and a thermal insulation layer, the sealing layer forms a closed space among the parts, the air inlet component and the air outlet component, the thermal insulation layer wraps the periphery of the sealing layer, and the air inlet component and the air outlet component are respectively communicated with the air pipe component.

5. The local thermal insulation device for the parts in the environmental chamber as claimed in claim 4, wherein the air intake assembly comprises a first supporting frame, the first supporting frame is provided with an air inlet and a first thermocouple, the periphery of the first supporting frame is wound around the sealing layer, the air inlet is communicated with the air pipe assembly and used for introducing hot/cold air generated by the heating and cooling chamber, and the first thermocouple is used for obtaining the air temperature of the air inlet.

6. The local thermal insulation device for the parts in the environment box according to claim 4, wherein said air outlet assembly comprises a second support frame, said second support frame is provided with an air outlet and a second thermocouple, the periphery of said second support frame is wound around said sealing layer, said air outlet is communicated with said air pipe assembly for discharging the air in said sealing layer, and said second thermocouple is used for obtaining the air temperature of said air outlet.

7. The apparatus of claim 6, wherein an outlet is provided in the second support frame for receiving a line to the seal assembly.

8. The local thermal insulation system for parts inside an environmental chamber as recited in claim 4, wherein said sealant layer is formed of a PER film.

9. The apparatus for locally preserving components and parts within an environmental chamber of claim 3 wherein said thermal barrier is formed of aerogel blanket.

10. The device for locally preserving components within an environmental chamber of claim 4 wherein said insulation layer is made of aerogel blanket.