CN110794246A

CN110794246A - Aging room capable of achieving rapid automatic temperature control by utilizing air pressure

Info

Publication number: CN110794246A
Application number: CN201911135433.7A
Authority: CN
Inventors: 陈琳
Original assignee: Wuhu Shuanggang Characteristic Tourism Co Ltd
Current assignee: Wuhu Shuanggang Characteristic Tourism Co Ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-02-14

Abstract

The invention discloses an aging room for quickly and automatically controlling temperature by utilizing air pressure, which comprises an aging room body, a transparent double door, an aging rack, a contact surface heat absorption mechanism, a hot blast stove, a main air duct, a liquid storage tank, an air pressure balance mechanism and a cooling liquid recovery tank, wherein the aging rack is movably arranged in the inner cavity of the aging room body at equal intervals, the contact surface heat absorption mechanism is arranged in the inner cavity of the aging room body at equal intervals, the liquid storage tank is detachably arranged at the top of the aging room body, the air pressure balance mechanism is arranged in the middle of the bottom of the liquid storage tank, the top of the cooling liquid recovery tank is detachably arranged with the bottom of the aging room body through bolts, an internal water circulation flowing system which is not interfered with each other is adopted to quickly balance the temperature of the inner cavity of the aging room, the heat absorption is realized through multi-point contact in a large area, the heat transfer, and the temperature variable is controlled in time, so that the actual aging test temperature is ensured.

Description

Aging room capable of achieving rapid automatic temperature control by utilizing air pressure

Technical Field

The invention relates to the technical field of aging test equipment, in particular to an aging room capable of quickly and automatically controlling temperature by utilizing air pressure.

Background

A chemical room, also called a burning room, is an equipment for simulating a high-temperature and severe environment test aiming at high-performance electronic products, is an important experimental equipment for improving the stability and reliability of products, and is an important production flow for improving the product quality and competitiveness of various production enterprises, when the electronic products are subjected to aging test in an aging room, because a plurality of electronic products can generate heat, when the temperature of the aging room rises to the aging test temperature, after long-time test, the temperature in the aging room can be continuously increased due to the heating of the electronic products to be tested, so that the actual test temperature is higher, the products to be tested are damaged, the existing aging room is mostly heated by an electric heater, then hot air circulation is realized by a circulating fan and a complex pipeline design, the structure is complex, the temperature rising speed is slow, when the temperature in the aging room is higher than the test temperature, heating is stopped, but the mode is difficult to cool in time, and the temperature can be continuously increased actually.

For example, the chinese patent discloses "an aging room" (patent No. CN105674467A), in the technical scheme of the patent, exchange between hot air in an inner cavity of the aging room and cold air outside is mainly performed by controlling each exhaust fan and each blower, although the inner cavity of the aging room can be cooled quickly, in the actual operation process, manual real-time monitoring and control are required, time and labor are wasted, and impurities brought into the outside air are inevitably generated in the process of exchanging the cold air and the hot air inside and outside, which may affect the test of aged electronic components, increase the variables of the aging factors of the electronic components, and affect the data and results of the aging test.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the aging room for quickly and automatically controlling the temperature by using the air pressure, and solves the problem that the aging experiment result is easily influenced by the heat generated by the elements when the aging room performs the aging experiment.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an utilize atmospheric pressure to carry out ageing room of quick automatic temperature control, includes the ageing room body, transparent two door, ageing rack, contact surface heat absorption mechanism, hot-blast furnace, main wind channel, liquid reserve tank, atmospheric pressure balance mechanism and coolant liquid collection box, transparent two door pass through the hinge and install in the positive both sides of ageing room body, the inner chamber at the ageing room body is placed in the activity of ageing rack equidistance, contact surface heat absorption mechanism equidistance sets up the inner chamber at the ageing room body, the back at the ageing room body is installed to the hot-blast furnace, main wind channel equidistance is seted up in the front of ageing room internal wall, the detachable top of installing at the ageing room body of liquid reserve tank, atmospheric pressure balance mechanism installs the middle part in the liquid reserve tank bottom, the detachable installation in bottom of bolt and the ageing room body is passed through at the top.

Preferably, the contact surface heat absorption mechanism comprises a vertical transit pipe, a contact heat absorption pipe, a pressurizing triangular block and a fluctuating wave sheet, the side surface of the vertical transit pipe is fixedly bonded on the side surface of the inner wall of the aging house body, the top of the contact heat absorption pipe is contacted with the bottom of the aging rack, the pressurizing triangular block is fixedly bonded on the inner wall of the vertical transit pipe, and the bottom of the fluctuating wave sheet is fixedly bonded with the bottom of the inner wall of the contact heat absorption pipe.

Preferably, atmospheric pressure balance mechanism includes coolant liquid communicating pipe, horizontal branch pipe, leak protection piece, blocks up awl, lift post and extrusion panel, the top at ageing house body inner chamber is installed to coolant liquid communicating pipe through-type, the left side of horizontal branch pipe and the right side fixed connection of coolant liquid communicating pipe, the side of leak protection piece all bonds with the bottom fixed of coolant liquid communicating pipe inner wall, block up the inboard middle part of awl activity joint in the leak protection piece, the top of lift post and the fixed welding in bottom of the awl of blockking up, the top of extrusion panel and the fixed welding in bottom of the awl of blockking up.

Preferably, an upper opening of the topmost vertical transit pipe is fixedly connected with the right side of the transverse branch pipe, and two ends of the contact heat absorption pipe are communicated with the vertical transit pipe.

Preferably, the top of the cooling liquid communicating pipe is communicated with the bottom of the liquid storage tank, and the right side of the cooling liquid communicating pipe is communicated with the left side of the transverse branch pipe.

Preferably, the bottom of the bottommost vertical transit pipe penetrates through the bottom of the inner wall of the aging room body and is communicated with the inner cavity of the cooling liquid recovery box.

Preferably, the extrusion panel is located directly over the ageing rack at the topmost part, and the middle part of extrusion panel bottom is sunken form.

(III) advantageous effects

The invention provides an aging room capable of quickly and automatically controlling temperature by using air pressure. The method has the following beneficial effects:

(1) this utilize atmospheric pressure to carry out ageing room of quick automatic temperature control adopts the inside hydrologic cycle flow system of mutual noninterference to carry out quick balance to the temperature of ageing room inner chamber, and the multiple spot contact heat absorption of large tracts of land can be quick carries out the heat transfer, under the unchangeable condition of whole process remain ageing factor all the time, and the actual ageing testing temperature is guaranteed to the timely controlled temperature variable.

(2) This utilize atmospheric pressure to carry out quick automatic temperature control's ageing room utilizes the temperature to rise the mode that causes the increase of the inside pressure in ageing room to control the circulation of coolant liquid, and on the one hand the ageing room can carry out real-time endothermic action according to self temperature and take place, reduces the cost of labor, and on the other hand can also be at the inside and outside pressure of certain within range balance, avoids the inside pressure in ageing room to lead to the fact the occurence of failure excessively.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front cross-sectional view of a burn-in body of the present invention;

FIG. 3 is a schematic structural view of the air pressure balance mechanism of the present invention;

figure 4 is a side view of a burn-in body of the present invention.

In the figure: 1 aging room body, 2 transparent double doors, 3 aging rack, 4 contact surface heat absorption mechanism, 401 vertical transfer pipe, 402 contact heat absorption pipe, 403 pressurizing triangle block, 404 fluctuation wave piece, 5 hot blast stove, 6 main air duct, 7 liquid storage tank, 8 air pressure balance mechanism, 801 cooling liquid communicating pipe, 802 horizontal branch pipe, 803 leakage proof block, 804 blocking cone, 805 lifting column, 806 extrusion panel, 9 cooling liquid recovery box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a aging room capable of quickly and automatically controlling temperature by utilizing air pressure comprises an aging room body 1, a transparent double door 2, an aging rack 3, a contact surface heat absorption mechanism 4, a hot blast stove 5, a main air duct 6, a liquid storage tank 7, an air pressure balance mechanism 8 and a cooling liquid recovery box 9, wherein the transparent double door 2 is installed on two sides of the front surface of the aging room body 1 through hinges, the aging rack 3 is movably arranged in the inner cavity of the aging room body 1 at equal intervals, the contact surface heat absorption mechanism 4 is arranged in the inner cavity of the aging room body 1 at equal intervals, the hot blast stove 5 is installed on the back surface of the aging room body 1, the main air duct 6 is arranged on the front surface of the inner wall of the aging room body 1 at equal intervals, the liquid storage tank 7 is detachably installed on the top of the aging room body 1, the air pressure balance mechanism 8 is installed in the middle of the bottom of the, the contact surface heat absorption mechanism 4 comprises a vertical transit pipe 401, a contact heat absorption pipe 402, a pressurizing triangular block 403 and a fluctuating wave piece 404, wherein the side surfaces of the vertical transit pipe 401 are fixedly bonded on the side surface of the inner wall of the aging room body 1, the top of the contact heat absorption pipe 402 is contacted with the bottom of the aging rack 3, the pressurizing triangular block 403 is fixedly bonded on the inner wall of the vertical transit pipe 401, the bottom of the fluctuating wave piece 404 is fixedly bonded with the bottom of the inner wall of the contact heat absorption pipe 402, the upper opening of the topmost vertical transit pipe 401 is fixedly connected with the right side of a transverse branch pipe 802, two ends of the contact heat absorption pipe 402 are communicated with the vertical transit pipe 401, the bottom of the bottommost vertical transit pipe 401 penetrates through the bottom of the inner wall of the aging room body 1 and is communicated with the inner cavity of a cooling liquid recovery box 9, an air pressure balancing mechanism 8 comprises a cooling liquid communicating pipe 801, a transverse branch pipe 802, a, Lifting column 805 and extrusion panel 806, coolant liquid communicating pipe 801 runs through the formula and installs the top at ageing room body 1 inner chamber, the left side of horizontal branch pipe 802 and the right side fixed connection of coolant liquid communicating pipe 801, the side of leak protection piece 803 all bonds with the bottom fixed of coolant liquid communicating pipe 801 inner wall, it is inside middle part at leak protection piece 803 to block up awl 804 activity joint, the top of lifting column 805 and the bottom fixed welding of blocking awl 804, the top of extrusion panel 806 and the bottom fixed welding of blocking awl 804, the top of coolant liquid communicating pipe 801 communicates with the bottom of liquid reserve tank 7, the right side of coolant liquid communicating pipe 801 is linked together with the left side of horizontal branch pipe 802, extrusion panel 806 is located the ageing rack 3 in top directly over, the middle part of extrusion panel 806 bottom is sunken form.

When the aging room works, firstly, when the temperature of the inner cavity of the aging room body 1 is raised or the temperature of the inner cavity of the aging room body 1 is normal, at the moment, the pressure intensity of the inner cavity of the aging room body 1 is expressed by the Keraberon equation PV ═ nRT, the pressure intensity can be clearly calculated, the extrusion force generated by the expansion of the pressure intensity under the normal working state is smaller than the pressure exerted on the blocking cone 804 by the cooling liquid in the inner cavity of the cooling liquid communicating pipe 801, therefore, the blocking cone 804 has no any action, the cooling liquid in the inner cavity of the liquid storage tank 7 can not flow into the inner cavity contacting the heat absorbing pipe 402, when the temperature of the inner cavity of the aging room body 1 is raised due to the overhigh temperature of the components, the pressure intensity of the inner cavity of the aging room body 1 can be changed immediately, at the moment, the extrusion force generated by the air expansion of the inner cavity of the aging, the air expansion pushes the blocking cone 804 to move upwards through the extrusion panel 806 and the lifting column 805, when a gap appears between the blocking cone 804 and the inner wall of the leakage-proof block 803, the cooling liquid flows into the vertical transit pipe 401 from the transverse branch pipe 802 along the gap, then passes through the contact heat absorption pipes 402 of each layer, the inner cavity of the aging room body 1 is rapidly cooled in the flowing process, after the temperature is reduced, the pressure returns to normal, the leakage-proof block 803 is blocked again by the blocking cone 804, when the cooling liquid descends, the pressure-increasing triangular block 403 reduces the belt of the flow-through hole, so that the flowing time of the cooling liquid entering the inner cavity of the contact heat absorption pipe 402 can be accelerated, and when the cooling liquid flows in the inner cavity of the contact heat absorption pipe 402, the undulation wave plate 404 can enable the cooling liquid to continuously shake and impact, and fully absorb and transfer heat.

In conclusion, according to the aging room capable of quickly and automatically controlling the temperature by utilizing the air pressure, the temperature of the inner cavity of the aging room is quickly balanced by adopting the internal water circulation flowing systems which are not interfered with each other, the heat is absorbed by the multipoint contact in a large area, the heat transfer can be quickly carried out, the temperature variable is timely controlled under the condition that the aging factor is kept unchanged all the time in the whole process, the actual aging test temperature is ensured, the circulation of the cooling liquid is controlled by utilizing the mode that the internal pressure of the aging room is increased due to the temperature rise, on one hand, the aging room can carry out real-time heat absorption action according to the temperature of the aging room, the labor cost is reduced, on the other hand, the internal pressure and the external pressure can.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an utilize atmospheric pressure to carry out ageing room of quick automatic temperature control which characterized in that: the aging room comprises an aging room body (1), a transparent double door (2), an aging rack (3), a contact surface heat absorption mechanism (4), a hot blast stove (5), a main air duct (6), a liquid storage tank (7), an air pressure balance mechanism (8) and a cooling liquid recovery tank (9), wherein the transparent double door (2) is installed on the two front sides of the aging room body (1) through hinges, the aging rack (3) is movably arranged in the inner cavity of the aging room body (1) at equal intervals, the contact surface heat absorption mechanism (4) is arranged in the inner cavity of the aging room body (1) at equal intervals, the hot blast stove (5) is installed on the back side of the aging room body (1), the main air duct (6) is arranged in the front side of the inner wall of the aging room body (1) at equal intervals, the liquid storage tank (7) is detachably installed on the top of the aging room body (1), the air pressure balance mechanism (8) is installed at the, the top of the cooling liquid recovery box (8) is detachably mounted with the bottom of the aging room body (1) through bolts.

2. The aging room for rapid automatic temperature control by using air pressure as claimed in claim 1, wherein: contact surface heat absorption mechanism (4) are including perpendicular transit tube (401), contact heat absorption pipe (402), three hornblocks of pressure boost (403) and fluctuation wave piece (404), the side of perpendicular transit tube (401) all fixed bonding is on the side of ageing room body (1) inner wall, the top of contact heat absorption pipe (402) contacts with the bottom of ageing rack (3), three hornblocks of pressure boost (403) fixed bonding are on the inner wall of perpendicular transit tube (401), the bottom of fluctuation wave piece (404) and the bottom fixed bonding of contact heat absorption pipe (402) inner wall.

3. The aging room for rapid automatic temperature control by using air pressure as claimed in claim 1, wherein: atmospheric pressure balance mechanism (8) include coolant liquid communicating pipe (801), horizontal branch pipe (802), leak protection piece (803), block up awl (804), lift post (805) and extrusion panel (806), the top at ageing room body (1) inner chamber is installed to coolant liquid communicating pipe (801) run-through, the left side of horizontal branch pipe (802) and the right side fixed connection of coolant liquid communicating pipe (801), the side of leak protection piece (803) all bonds with the bottom fixed of coolant liquid communicating pipe (801) inner wall, block up awl (804) activity joint at leak protection piece (803) inward middle part, the top of lift post (805) and the bottom fixed weld of blocking up awl (804), the top of extrusion panel (806) and the bottom fixed weld of blocking up awl (804).

4. The aging room for rapid automatic temperature control by using air pressure as claimed in claim 2, wherein: the upper opening of the topmost vertical transit pipe (401) is fixedly connected with the right side of the transverse branch pipe (802), and two ends of the contact heat absorption pipe (402) are communicated with the vertical transit pipe (401).

5. The aging room for rapid automatic temperature control by using air pressure as claimed in claim 3, wherein: the top of the cooling liquid communicating pipe (801) is communicated with the bottom of the liquid storage tank (7), and the right side of the cooling liquid communicating pipe (801) is communicated with the left side of the transverse branch pipe (802).

6. The aging room for rapid automatic temperature control by using air pressure as claimed in claim 2, wherein: the bottom of the bottommost vertical transit pipe (401) penetrates through the bottom of the inner wall of the aging room body (1) and is communicated with the inner cavity of the cooling liquid recovery box (9).

7. The aging room for rapid automatic temperature control by using air pressure as claimed in claim 3, wherein: the extrusion panel (806) is located right above the topmost aging rack (3), and the middle of the bottom of the extrusion panel (806) is concave.