CN212595780U - Three-box cold and hot impact experiment box - Google Patents
Three-box cold and hot impact experiment box Download PDFInfo
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- CN212595780U CN212595780U CN202020859243.1U CN202020859243U CN212595780U CN 212595780 U CN212595780 U CN 212595780U CN 202020859243 U CN202020859243 U CN 202020859243U CN 212595780 U CN212595780 U CN 212595780U
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Abstract
The utility model discloses a three-box cold and hot impact experiment box, through base plate, constant temperature box, preheating cabinet, precooling cabinet, the door body, fixing base, vacuum pump, refrigerator, three-way valve, electronic valve and heating screen board. This three-box cold and hot impact experiment box, during the use, at first, begin work through on-off control heating mesh piece and refrigerator, the heating mesh piece begins to build high temperature environment in the preheating cabinet, the refrigerator begins to produce low temperature coolant liquid, and carry the cooling tube with cold liquid from the liquid outlet of refrigerator, the inlet of following the refrigerator simultaneously withdraws the coolant liquid in the cooling tube again and cools off again, build low temperature environment in the preheating cabinet this moment, then take the sample that needs the experiment, and put the sample in putting the inslot on the fixing base, then hold the handle on the chamber door lateral wall, close the chamber door through the hinge, make the chamber door press and seal the normal atmospheric temperature case at the sealing washer, then it is fixed with the chamber door through the accessory auto-lock of spring buckle.
Description
Technical Field
The utility model relates to a proof box field specifically is three cold and hot impact experimental boxes.
Background
The three-box type cold and hot impact test box is designed and manufactured according to the requirements of users, and is suitable for high and low temperature impact tests of complete machines and parts of products such as aviation, aerospace, military industry, ships, electricians, electronics and the like and storage and tests in high-temperature or low-temperature environments. The user can do corresponding climate environment accelerated test to the complete machine (or component), electric appliance, instrument, material, coating, plating layer, etc. so as to evaluate the test article or test behavior of the test article.
However, traditional cold and hot impact test case can't carry out quick cold and hot temperature exchange on the market at present for the experimental process adopts the forced draught blower to carry out cold and hot air and carries and lead to having the condition that cold and hot state mixes when the temperature switches, can lead to experimental data to have the deviation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a three-box cold and hot impact experiment box to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a three-box cold and hot impact experiment box comprises a base plate, wherein a normal temperature box is fixedly installed in the center of the top surface of the base plate, a preheating box and a pre-cooling box are symmetrically arranged on two sides of the normal temperature box, the preheating box and the pre-cooling box are respectively and fixedly installed on two sides of the top surface of the base plate, two electronic valves are symmetrically and fixedly installed on two sides of the outer wall of the normal temperature box, the electronic valves are respectively and fixedly connected to the side walls of the preheating box and the pre-cooling box, a three-way valve is fixedly installed on one side of the top surface of the normal temperature box, a vacuum pump is fixedly installed on the other side of the top surface of the normal temperature box, the vacuum pump is connected with the three-way valve through a pipeline, a box door is hinged on one side of the normal temperature box through a hinge, one part of a spring buckle is fixedly installed on the, the outer wall sliding connection of slide rail has the slider rather than the looks adaptation, the top surface fixed mounting of slider has the fixing base, the both sides of fixing base are equipped with the quick clamp, the equal fixedly connected with admission valve in outer wall one side of preheating cabinet and precooling case, the inner wall equidistance fixedly connected with heating net piece of preheating cabinet, the top surface fixed mounting of preheating cabinet has the switch, the top surface fixed mounting of precooling case has the refrigerator, the inner wall equidistance fixedly connected with cooling tube of precooling case, cooling tube interconnect, the lateral wall fixed connection that the one end of cooling tube passed precooling case is on the liquid outlet of refrigerator, the lateral wall fixed connection that the other end of cooling tube passed precooling case is on the inlet of.
As a further aspect of the present invention: the ground of base plate is fixed installs the supporting leg, the outer wall fixedly connected with handle of chamber door.
As a further aspect of the present invention: the electronic valve is connected with the normal temperature box and the pre-cooling box, and the three-way valve is communicated with the normal temperature box.
As a further aspect of the present invention: the air inlet valve is opposite to the electronic valve, the heating net piece is composed of heating wires, and the air inlet direction of the heating net piece is vertical to that of the air inlet valve.
As a further aspect of the present invention: the top surface of the fixing seat is provided with a placing groove, the quick clamp is fixedly installed on the inner side of the bottom of the constant temperature box, and the sealing ring is fixedly installed on the outer wall of the opening of the constant temperature box.
As a further aspect of the present invention: the electronic valve, the vacuum pump, the heating net piece and the refrigerator are all electrically connected with a switch through wires, and the switch is externally connected with a power supply.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a preheating cabinet, the cooperation of heating mesh piece and admission valve is used, make the air in the preheating cabinet heated, build a high temperature environment simultaneously, through the precooling cabinet, a refrigerating machine, the cooperation of cooling tube and admission valve is used, make the air in the precooling cabinet cooled, build a low temperature environment simultaneously, through the normal atmospheric box, a three-way valve, a vacuum pump, the chamber door, the cooperation of spring buckle and sealing washer is used, make the normal atmospheric box can be sealed, can build a negative pressure environment in the normal atmospheric box simultaneously, through the base plate, the supporting leg, the electronic valve, the normal atmospheric box, the cooperation of preheating cabinet and precooling cabinet is used, make the normal atmospheric box, preheating cabinet and precooling cabinet are mutually linked together, thereby this three-box cold and hot shock experimental box can inhale the normal atmospheric box through the negative pressure with the air in the preheating cabinet and the cold air of precooling cabinet and carry out the cold and hot impact to the sample, can take the air in the normal atmospheric box out the contact of avoiding cold and hot air to cause and causing when cold-hot The cold and hot mixing state appears in the constant temperature box, avoids producing the influence to sample detection.
2. The utility model discloses, cooperation through slide rail, slider, fixing base and quick clamp is used for the fixing base can be followed the normal atmospheric temperature incasement and taken out, makes things convenient for putting of sample, through quick clamp to the quick fixation of sample and fixing base simultaneously, accomplishes the fixed work of sample, avoids making the sample appear rocking the phenomenon of aversion at the in-process of cold and hot impact and evacuation, thereby this three casees cold and hot impact experiment case can be convenient carry out the sample and take and fix.
Drawings
FIG. 1 is a schematic structural diagram of a three-box cold and hot impact experimental box.
FIG. 2 is a front sectional view of a three-chamber cold and hot impact experimental chamber.
FIG. 3 is a rear view of a three-box cold and hot impact experimental box.
In the figure: the device comprises a substrate 1, support legs 2, a normal temperature box 3, a preheating box 4, a pre-cooling box 5, an electronic valve 6, a three-way valve 7, a vacuum pump 8, a box door 9, a spring buckle 10, a sealing ring 11, a sliding rail 12, a sliding block 13, a fixed seat 14, a quick clamp 15, an air inlet valve 16, a heating net piece 17, a switch 18, a refrigerator 19 and a cooling pipe 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in the embodiment of the present invention, a three-chamber cold and hot impact testing chamber includes a substrate 1, a support leg 2 is fixedly installed on the ground of the substrate 1, a normal temperature chamber 3 is fixedly installed in the center of the top surface of the substrate 1, a preheating chamber 4 and a pre-cooling chamber 5 are symmetrically installed on both sides of the normal temperature chamber 3, the preheating chamber 4 and the pre-cooling chamber 5 are respectively fixedly installed on both sides of the top surface of the substrate 1, two electronic valves 6 are symmetrically and fixedly installed on both sides of the outer wall of the normal temperature chamber 3, the electronic valves 6 are respectively fixedly connected to the side walls of the preheating chamber 4 and the pre-cooling chamber 5, the electronic valves 6 are connected to the normal temperature chamber 3 and the pre-cooling chamber 4, the electronic valves 6 are connected to the normal temperature chamber 3 and the pre-cooling chamber 5, a three-way valve 7 is fixedly installed on one side of the top surface of the normal temperature chamber 3, a box door 9 is hinged on one side of the normal temperature box 3 through a hinge, a fitting of a spring buckle 10 is fixedly arranged on the other side of the normal temperature box 3 at equal intervals, the other fitting of the spring buckle 10 is fixedly connected on one side of the box door 9, a handle is fixedly connected on the outer wall of the box door 9, a sealing ring 11 is arranged between the normal temperature box 3 and the box door 9, the sealing ring 11 is fixedly arranged on the outer wall of the opening of the normal temperature box 3, slide rails 12 are symmetrically and fixedly arranged on the inner side of the bottom of the normal temperature box 3, a slide block 13 matched with the slide rail 12 is slidably connected on the outer wall of the slide rail 12, a fixed seat 14 is fixedly arranged on the top surface of the slide block 13, a placing groove is formed in the top surface of the fixed seat 14, quick clamps 15 are arranged on two sides of the fixed seat 3, an air inlet valve, the inner wall of the preheating box 4 is fixedly connected with heating net sheets 17 at equal intervals, the heating net sheets 17 are composed of heating wires, the heating net sheets 17 are perpendicular to the air inlet direction of the air inlet valve 16, the top surface of the preheating box 4 is fixedly provided with a switch 18, the top surface of the precooling box 5 is fixedly provided with a refrigerator 19, the inner wall of the precooling box 5 is fixedly connected with cooling pipes 20 at equal intervals, the cooling pipes 20 are mutually connected, one end of each cooling pipe 20 penetrates through the side wall of the precooling box 5 and is fixedly connected to a liquid outlet of the refrigerator 19, the other end of each cooling pipe 20 penetrates through the side wall of the precooling box 5 and is fixedly connected to a liquid inlet of the refrigerator 19, the electronic valve 6, the vacuum pump 8, the heating net sheets.
The utility model discloses a theory of operation is:
when in use, firstly, the heating net piece 17 and the refrigerator 19 are controlled to work through the switch 18, the heating net piece 17 starts to create a high-temperature environment in the preheating box 4, the refrigerator 19 starts to generate low-temperature cooling liquid, the low-temperature cooling liquid is conveyed to the cooling pipe 20 from the liquid outlet of the refrigerator 19, meanwhile, the cooling liquid in the cooling pipe 20 is recovered from the liquid inlet of the refrigerator 19 to be cooled again, at the moment, a low-temperature environment is created in the pre-cooling box 5, then a sample to be tested is taken and placed in the placing groove on the fixed seat 14, then the fixed seat 14 is pushed, the fixed seat 14 slides on the slide rail 12 through the slide block 13, finally the fixed seat 14 in which the sample is placed is contained into the normal-temperature box 3, then the quick clamp 15 is pulled, so that the clamping head of the quick clamp 15 is pressed against the surface of the sample, the sample piece is fixed in the fixed seat 14, and the fixed seat 14 is fixed, then a handle on the side wall of the box door 9 is held, the box door 9 is closed through a hinge, the box door 9 is pressed on a sealing ring 11 to seal the normal temperature box 3, then the box door 9 is fixed through the self-locking of a part of a spring buckle 10, then a three-way valve 7 is adjusted to enable a vacuum pump 8 to be communicated with the normal temperature box 3, then the vacuum pump 8 is controlled to start working through a switch 18, the vacuum pump 8 pumps air in the normal temperature box 3 out to form negative pressure, then an electronic valve 6 between the normal temperature box 3 and a preheating box 4 is controlled to be opened through the switch 18, at the moment, hot air in the preheating box 4 enters the normal temperature box 3 through the electronic valve 6 under the action of the negative pressure in the normal temperature box 3, so that the temperature in the normal temperature box 3 rises to impact a sample at high temperature, and simultaneously, external air enters the preheating box 4 through an air inlet valve 16, then the electronic valve 6 between the normal temperature box 3 and the preheating box 4 is controlled by the switch 18, then the vacuum pump 8 is controlled by the switch 18 to start working again, the high temperature air in the normal temperature box 3 is pumped out, so that the negative pressure environment is formed in the normal temperature box 3 again, then the electronic valve 6 between the normal temperature box and the precooling box 5 is controlled by the switch 18 to be opened, at the moment, the cold air in the precooling box 5 enters the normal temperature box 3 through the electronic valve 6 under the negative pressure effect in the normal temperature box 3, so that the temperature in the normal temperature box 3 is reduced to carry out low temperature impact on the sample, meanwhile, the external air enters the precooling box 5 through the air inlet valve 16 on the precooling box 5 to be cooled and stored, meanwhile, the air pressure in the preheating box 4 is balanced, after the cold and hot impact is finished, the normal temperature box 3 is communicated with the outside through the three-way valve 7 to balance the air in the normal temperature box 3, the box door 9 is opened, then the quick clamp 15 is pulled to release the fixation of the quick clamp 15 on the sample, and then the sample is taken out from the placing groove on the fixed seat 14 for observation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. Three cold and hot impact experiment casees, including base plate (1), its characterized in that: the heating and cooling device is characterized in that a constant temperature box (3) is fixedly installed in the center of the top surface of the base plate (1), a preheating box (4) and a precooling box (5) are symmetrically arranged on two sides of the top surface of the base plate (1) respectively, the preheating box (4) and the precooling box (5) are fixedly installed on two sides of the top surface of the base plate (1) respectively, two electronic valves (6) are symmetrically and fixedly installed on two sides of the outer wall of the constant temperature box (3), the electronic valves (6) are fixedly connected to the side walls of the preheating box (4) and the precooling box (5) respectively, a three-way valve (7) is fixedly installed on one side of the top surface of the constant temperature box (3), a vacuum pump (8) is fixedly installed on the other side of the top surface of the constant temperature box (3), the vacuum pump (8) is connected with the three-way valve (7) through a pipeline, a box door (, another accessory of the spring buckle (10) is fixedly connected to one side of the box door (9), a sealing ring (11) is arranged between the normal temperature box (3) and the box door (9), slide rails (12) are symmetrically and fixedly installed on the inner side of the bottom of the normal temperature box (3), a slide block (13) matched with the slide rails (12) is connected to the outer wall of the slide rails (12) in a sliding manner, a fixed seat (14) is fixedly installed on the top surface of the slide block (13), quick clamps (15) are arranged on two sides of the fixed seat (14), air inlet valves (16) are fixedly connected to one sides of the outer walls of the preheating box (4) and the precooling box (5), heating net sheets (17) are fixedly connected to the inner wall of the preheating box (4) at equal intervals, a switch (18) is fixedly installed on the top surface of the preheating box (4), a refrigerator (19), the cooling pipes (20) are connected with each other, one end of each cooling pipe (20) penetrates through the side wall of the pre-cooling box (5) and is fixedly connected to the liquid outlet of the refrigerating machine (19), and the other end of each cooling pipe (20) penetrates through the side wall of the pre-cooling box (5) and is fixedly connected to the liquid inlet of the refrigerating machine (19).
2. A three-box cold and hot impact experimental box according to claim 1, characterized in that: the ground of base plate (1) is fixed installs supporting leg (2), the outer wall fixedly connected with handle of chamber door (9).
3. A three-box cold and hot impact experimental box according to claim 1, characterized in that: the electronic valve (6) is connected with the normal temperature box (3) and the preheating box (4), the electronic valve (6) is connected with the normal temperature box (3) and the precooling box (5), and the three-way valve (7) is communicated with the normal temperature box (3).
4. A three-box cold and hot impact experimental box according to claim 1, characterized in that: the air inlet valve (16) is opposite to the electronic valve (6), the heating net piece (17) is composed of heating wires, and the air inlet direction of the heating net piece (17) is vertical to that of the air inlet valve (16).
5. A three-box cold and hot impact experimental box according to claim 1, characterized in that: the top surface of the fixing seat (14) is provided with a placing groove, the quick clamp (15) is fixedly installed on the inner side of the bottom of the constant temperature box (3), and the sealing ring (11) is fixedly installed on the outer wall of the opening of the constant temperature box (3).
6. A three-box cold and hot impact experimental box according to claim 1, characterized in that: the electronic valve (6), the vacuum pump (8), the heating net piece (17) and the refrigerator (19) are electrically connected with a switch (18) through wires, and the switch (18) is externally connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020859243.1U CN212595780U (en) | 2020-05-20 | 2020-05-20 | Three-box cold and hot impact experiment box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020859243.1U CN212595780U (en) | 2020-05-20 | 2020-05-20 | Three-box cold and hot impact experiment box |
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| CN212595780U true CN212595780U (en) | 2021-02-26 |
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| CN202020859243.1U Active CN212595780U (en) | 2020-05-20 | 2020-05-20 | Three-box cold and hot impact experiment box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176136A (en) * | 2021-04-25 | 2021-07-27 | 宁波市信测检测技术有限公司 | Test device for simulating temperature shock environment |
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2020
- 2020-05-20 CN CN202020859243.1U patent/CN212595780U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176136A (en) * | 2021-04-25 | 2021-07-27 | 宁波市信测检测技术有限公司 | Test device for simulating temperature shock environment |
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