CN209612989U - A kind of cooling thermal impact case with function of balancing air pressure - Google Patents
A kind of cooling thermal impact case with function of balancing air pressure Download PDFInfo
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- CN209612989U CN209612989U CN201920081966.0U CN201920081966U CN209612989U CN 209612989 U CN209612989 U CN 209612989U CN 201920081966 U CN201920081966 U CN 201920081966U CN 209612989 U CN209612989 U CN 209612989U
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- 238000001816 cooling Methods 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 48
- 238000012360 testing method Methods 0.000 claims abstract description 32
- 238000009423 ventilation Methods 0.000 claims abstract description 17
- 229920001971 elastomer Polymers 0.000 claims description 5
- 238000004154 testing of material Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model discloses a kind of cooling thermal impact case with function of balancing air pressure, belong to material testing apparatus field, its key points of the technical solution are that including test box, hot room and low temperature chamber are provided in the test box, the hot room is located above low temperature chamber, it is slidably connected in the test box in horizontally disposed articles holding table, the test box is rotatably connected to chamber door, sealing strip circumferentially is provided on the medial surface of the chamber door, ventilation duct is provided on the side wall of the low temperature chamber, the end of the ventilation duct is removably connected with retractable balance packet, the ability with outstanding equilibrium air pressure of this cooling thermal impact case with function of balancing air pressure.
Description
Technical field
The utility model relates to material testing apparatus, in particular to a kind of cooling thermal impact case with function of balancing air pressure.
Background technique
Cooling thermal impact is mainly used to test composite material and material structure, the ground of the consecutive variations from high temperature to low temperature environment
Under, the patient degree of institute, i.e., with test in the shortest time its because caused by expanding with heat and contract with cold chemical change or physical injury.
Thermal shock test chamber is the test equipment of the fields such as aviation, automobile, household electrical appliances, scientific research indispensability, is used for all kinds of electricians, electronic product
The environmental simulation reliability test of high/low temperature dramatic temperature variation is carried out with material, the parameter and property after obtaining temperature environment variation
Can, and whether the adaptability of testing product itself changes with characteristic under given environmental condition to test product, thus to detection
Product makes evaluation.
Notification number is that the Chinese patent of CN205164754U discloses a kind of thermal shock test chamber, including vertical cabinet,
It further include refrigeration unit, refrigeration unit is set to the top of vertical cabinet, and vertical cabinet is equipped with air supply motor and operation panel, stands
High temperature slot, experimental tank and cryostat, are equipped in formula cabinet, high temperature slot connects heater, and cryostat, is connect with refrigeration unit.
Although this thermal shock test chamber can complete the cooling thermal impact test of product, in actual use,
When product enters high-temperature region from low-temperature space, low-temperature space is temporarily connected to high-temperature region at this time, at this time the sky in low-temperature space
Temperature degree rises, and atmospheric density is caused to become smaller, and negative pressure state is in low-temperature space, so that low-temperature space is in an air pressure unbalanced
State, when low-temperature space air pressure inside and atm difference away from it is excessive when beyond cabinet the sealing limit when, even result in
Extraneous air can cause sealing strip to damage by entering in chamber at the sealing strip of chamber door.
Utility model content
The purpose of the utility model is to provide a kind of cooling thermal impact case with function of balancing air pressure, the advantage is that has
The ability of outstanding equilibrium air pressure.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of cooling thermal impact case with function of balancing air pressure, including test box, be provided in the test box hot room and
Low temperature chamber, the hot room are located above low temperature chamber, slidably connect in the test box in horizontally disposed articles holding table, described
Test box is rotatably connected to chamber door, and sealing strip circumferentially, the side of the low temperature chamber are provided on the medial surface of the chamber door
Ventilation duct is provided on wall, the end of the ventilation duct is removably connected with retractable balance packet.
By using above-mentioned technical proposal, at work, articles holding table pumps, at this time hot room and low
Greenhouse can be temporarily connected to, and the air themperature in low-temperature space rises at this time, and atmospheric density is caused to become smaller, and negative pressure shape is in low-temperature space
State, balance packet is shunk later, to air therein be added in low temperature chamber, when low temperature chamber cools to original temperature
It waits, balance packet expansion makes low temperature chamber be always maintained at equilibrium state at work, avoids extraneous air can be by chamber door
It is entered in chamber at sealing strip, sealing strip is caused to damage.
Further, the balance, which is wrapped, is provided with connecting tube, and the end of the connecting tube is provided with ring flange two, described
The end of ventilation duct is provided with ring flange one, and the ring flange one and ring flange two offset, the ring flange one and ring flange two
It is bolted to connection.
By using above-mentioned technical proposal, it is fixedly connected by ring flange one with ring flange two, further increases connecting tube
It with the leakproofness of ventilation duct junction, reduces when balance packet carries out pressure controlled, gas leakage occurs in junction
Situation.
Further, sealing shroud is provided between the connecting tube and ventilation duct, the sealing shroud, which is divided into, to be detachably connected
Two parts, sealing shroud package ring flange one and ring flange two.
By using above-mentioned technical proposal, the junction of ring flange one and ring flange two is further closed, is subtracted by sealing shroud
The occurrence of few gas leakage, avoids generating interference since junction gas leakage works to air pressure balance.
Further, it is embedded with gasket on the inner wall of the sealing shroud, clamping groove, the method are provided on the gasket
Blue disk one and ring flange two are connected in clamping groove.
By using above-mentioned technical proposal, gasket is improved by clamping groove tight ring flange one and ring flange two
The sealing performance of two junction of ring flange one and ring flange.
Further, the lateral surface of the sealing shroud is provided with locking head, when sealing shroud sealing, two parts
Locking head offsets, and fixing bolt is equipped on the locking head, and fixture nut is threaded on the fixing bolt, described solid
The plane for determining nut and locking head offsets.
By using above-mentioned technical proposal, when fixing seal set, locking head offsets by penetrating fixing bolt, it
It is locked bolt screwing in fixture nut afterwards, avoids it from falling off from locking head, to firmly fix sealing shroud.
Further, the gasket is rubber pad.
Keep gasket close since rubber has good deformation behavior by using above-mentioned technical proposal
And ring flange one contacted with ring flange two, effectively reduce the gap of junction, further increase the sealing performance of junction, subtract
A possibility that few gas leakage accident occurs.
Further, air outlet is provided on the inner wall of the hot room.
By using above-mentioned technical proposal, at work, air outlet enters and leaves hot wind into hot room, makes high temperature room temperature
Degree increases.
Further, several wind deflectors are rotatably connected at the air outlet, the wind deflector is vertically arranged, and edge goes out
The length direction in air port is evenly arranged.
By using above-mentioned technical proposal, wind deflector can be rotated, and adjust the draught area of air outlet, to adjust outlet air
The intake of mouth.
In conclusion the utility model has the following beneficial effects:
1. making low temperature chamber be always maintained at equilibrium state at work by the setting of balance packet, extraneous sky is avoided
Gas can cause sealing strip to damage by entering in chamber at the sealing strip of chamber door；
2. improving balance packet and low temperature chamber junction sealing performance by the setting of sealing shroud, avoiding in air pressure balance
The case where leaking air in the process.
Detailed description of the invention
Fig. 1 is the structural schematic diagram with the cooling thermal impact case of function of balancing air pressure；
Fig. 2 is to remove cabinet in the cooling thermal impact case for have function of balancing air pressure for embodying cabinet inside drive mechanism
Schematic diagram；
Fig. 3 is in the cooling thermal impact case for have function of balancing air pressure for embodying the structural schematic diagram at the back side；
Fig. 4 is the configuration schematic diagram of balance packet junction.
In figure, 1, test box；11, control panel；12, chamber door；121, sealing strip；13, sliding rail；14, hot room；141, go out
Air port；142, wind deflector；15, low temperature chamber；151, refrigeration machine；152, ventilation duct；153, ring flange one；16, worm gear elevator；
161, cabinet；162, motor；163, worm screw；164, worm gear；2, articles holding table；21, sliding block；22, screw rod；23, fixing sleeve；3, it balances
Packet；31, connecting tube；311, ring flange two；32, sealing shroud；321, gasket；322, clamping groove；323, locking head；33, fixed
Bolt；331, fixture nut.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Wherein identical components are presented with like reference characters.It should be noted that word used in the following description
Language "front", "rear", "left", "right", "up" and "down" refer to the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and
"outside" refers respectively to the direction towards or away from geometric center of specific component.
Embodiment: a kind of cooling thermal impact case with function of balancing air pressure, as shown in Figure 1, including test box 1, test box 1
In be provided with hot room 14 and low temperature chamber 15, hot room 14 and the uniformly successively setting from top to bottom of low temperature chamber 15, hot room 14 and low
Greenhouse 15 also slidably connects articles holding table 2 in test box 1 in a cube setting, and articles holding table 2 is in horizontally disposed, when work,
Product is placed on articles holding table 2, and articles holding table 2 pumps, and is in product in temperature change environment sharply, thus right
Testing product makes evaluation.
As shown in Figure 1, the front of test box 1 is provided with control panel 11, staff adjusts examination by control panel 11
The running parameter of tryoff, such as the temperature of high-temperature region and low-temperature space, the movement velocity etc. of articles holding table 2.
As shown in Figure 1, the front of test box 1 is rotatably connected to chamber door 12, chamber door 12 is mainly used for closed high temperature area and low
Warm area, is provided with sealing strip 121 on the inner wall of chamber door 12, and circumferentially along chamber door 12, sealing strip 121 can be with for sealing strip 121
It offsets with the ontology of test box 1, is conducive to the sealing performance for improving chamber door 12.
As shown in Figure 1, being provided with several sliding rails 13 on the side wall of the inside of test box 1, sliding rail 13 is vertically disposed.
The side of articles holding table 2 is provided with the sliding block 21 for being slidably matched with sliding rail 13, and articles holding table 2 is done along sliding rail 13 at work
It pumps.
Referring to figs. 1 and 2, worm gear elevator 16 is installed at the top of test box 1, and worm gear elevator 16 includes cabinet
161 and motor 162, cabinet 161 is installed on the top surface of test box 1, and the inner rotation of cabinet 161 is connected with worm gear 164, worm gear
Helical teeth is arranged in 164 outside, is provided with screw thread in the inner hole of worm gear 164, and the axial direction of inner hole is arranged along the vertical direction；Motor
162 are arranged horizontally in the plane at 161 place of cabinet, and motor 162 is rotatably connected to worm screw 163, worm screw 163 and cabinet 161
Rotation connection, and worm screw 163 engages with worm gear 164.
Referring to figs. 1 and 2, the upper surface of articles holding table 2 is vertically installed with fixing sleeve 23, is provided with silk in fixing sleeve 23
Bar 22, i.e. screw rod 22 are arranged in vertical, and the end of screw rod 22 and fixing sleeve 23 are engaged by clamping, and screw rod 22 and fixing sleeve
23 rotation connections.The inner hole thread of screw rod 22 and worm gear 164 cooperates.At work, motor 162 drives worm screw 163 to rotate,
To drive worm gear 164 to rotate, worm gear 164 drives screw rod 22 to rotate, while screw rod 22 pumps, and pulls articles holding table
2 pump.
Referring to figs. 1 and 2, the air outlet 141 being arranged in rectangle, air outlet 141 are provided on the side wall of hot room 14
It is blown into hot wind into hot room 14, increases the temperature in hot room 14.Several wind deflectors are rotatably connected in air outlet 141
142, wind deflector 142 is evenly arranged along the length direction of air outlet 141.When wind deflector 142 rotates, air outlet can be blocked
141, so that the problem of reaching the draught area of regulating tuyere, further adjusts the air output of air outlet 141.
Referring to figs. 1 and 2, refrigeration machine 151, at work, refrigeration machine are installed on the bottom surface of low temperature chamber 15
151 startings, and cold wind is blowed in low temperature chamber 15.
In conjunction with shown in Fig. 3 and Fig. 4, ventilation duct 152, ventilation duct 152 and low temperature chamber 15 are provided on the side wall of low temperature chamber 15
Connection, ventilation duct 152 are provided with ring flange 1 away from one end of low temperature chamber 15.
In conjunction with shown in Fig. 3 and Fig. 4, the end of ventilation duct 152 is removably connected with balance packet 3, and balance packet 3 is using stuffy
Elastic material be made, preferred natural rubber.It is provided with connecting tube 31 on balance packet 3, the end of connecting tube 31 is provided with flange
Disk 2 311, ring flange 2 311 offsets with ring flange 1 and the two is bolted.
In conjunction with shown in Fig. 3 and Fig. 4, the junction between connecting tube 31 and ventilation duct 152 is equipped with sealing shroud 32, sealing shroud
32 package ring flanges 2 311 and ring flange 1, further increase junction sealing performance, prevent gas leakage.Sealing shroud 32, which divides, is
Identical two parts of size, the lateral surface of sealing shroud 32 is provided with locking head 323, when sealing shroud 32 seals, two portions
The locking head 323 divided offsets, and locking head 323 is equipped with fixing bolt 33, and fixed spiral shell is threaded on fixing bolt 33
Mother 331, fixture nut 331 offsets with locking head 323, for the bolt 33 that is locked, wraps sealing shroud 32 firmly
Ring flange 2 311 and ring flange 1.
In conjunction with shown in Fig. 3 and Fig. 4, gasket 321 is embedded in sealing shroud 32, gasket 321 is rubber pad, gasket
321 surface is provided with clamping groove 322 in a ring, and the width of clamping groove 322 is equal to ring flange 2 311 and ring flange 1
The sum of thickness, ring flange 2 311 and ring flange 1 are connected in clamping groove 322, since rubber has good flexible deformation
Performance contacts gasket 321 closely with ring flange 2 311 with ring flange 1, effectively reduces between junction
Gap improves the sealing performance of junction.
Specific implementation process: at work, articles holding table 2 pumps, at this time hot room 14 and low temperature chamber
15 can temporarily be connected to, and the air themperature in low-temperature space rises at this time, and atmospheric density is caused to become smaller, and negative pressure shape is in low-temperature space
State, balance packet 3 is shunk later, to air therein be added in low temperature chamber 15, when low temperature chamber 15 cools to original temperature
When, 3 expansion of balance packet makes low temperature chamber 15 be always maintained at equilibrium state at work, avoids extraneous air that from leading to
It crosses at the sealing strip 121 of chamber door 12 and enters in chamber, sealing strip 121 is caused to damage.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of cooling thermal impact case with function of balancing air pressure, including test box (1), high temperature is provided in the test box (1)
Room (14) and low temperature chamber (15), the hot room (14) are located above low temperature chamber (15), slidably connect in the test box (1)
In horizontally disposed articles holding table (2), the test box (1) is rotatably connected to chamber door (12), on the medial surface of the chamber door (12)
It is provided with sealing strip (121) circumferentially, it is characterised in that: be provided with ventilation duct on the side wall of the low temperature chamber (15)
(152), the end of the ventilation duct (152) is removably connected with retractable balance packet (3).
2. a kind of cooling thermal impact case with function of balancing air pressure according to claim 1, it is characterised in that: the balance
It is provided with connecting tube (31) on packet (3), the end of the connecting tube (31) is provided with ring flange two (311), the ventilation duct
(152) end is provided with ring flange one (153), and the ring flange one (153) and ring flange two (311) offset, the flange
Disk one (153) and ring flange two (311) are bolted to connection.
3. a kind of cooling thermal impact case with function of balancing air pressure according to claim 2, it is characterised in that: the connection
It is provided with sealing shroud (32) between pipe (31) and ventilation duct (152), the sealing shroud (32) is divided into two portions being detachably connected
Point, sealing shroud (32) package ring flange one (153) and ring flange two (311).
4. a kind of cooling thermal impact case with function of balancing air pressure according to claim 3, it is characterised in that: the sealing
It covers and is embedded with gasket (321) on the inner wall of (32), is provided with clamping groove (322) on the gasket (321), the ring flange one
(153) it is connected in clamping groove (322) with ring flange two (311).
5. a kind of cooling thermal impact case with function of balancing air pressure according to claim 3, it is characterised in that: the sealing
The lateral surface of set (32) is provided with locking head (323), when sealing shroud (32) sealing, the locking head (323) of two parts
It offsets, is equipped with fixing bolt (33) on the locking head (323), be threaded with fixture nut on the fixing bolt (33)
(331), the fixture nut (331) and the plane of locking head (323) offset.
6. a kind of cooling thermal impact case with function of balancing air pressure according to claim 4, it is characterised in that: the sealing
Padding (321) is rubber pad.
7. a kind of cooling thermal impact case with function of balancing air pressure according to claim 1, it is characterised in that: the high temperature
Air outlet (141) are provided on the inner wall of room (14).
8. a kind of cooling thermal impact case with function of balancing air pressure according to claim 7, it is characterised in that: the outlet air
It is rotatably connected to several wind deflectors (142) at mouth (141), the wind deflector (142) is vertically arranged, and along air outlet (141)
Length direction be evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081966.0U CN209612989U (en) | 2019-01-17 | 2019-01-17 | A kind of cooling thermal impact case with function of balancing air pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920081966.0U CN209612989U (en) | 2019-01-17 | 2019-01-17 | A kind of cooling thermal impact case with function of balancing air pressure |
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| Publication Number | Publication Date |
|---|---|
| CN209612989U true CN209612989U (en) | 2019-11-12 |
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ID=68450428
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920081966.0U Active CN209612989U (en) | 2019-01-17 | 2019-01-17 | A kind of cooling thermal impact case with function of balancing air pressure |
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| Country | Link |
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| CN (1) | CN209612989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337374A (en) * | 2020-03-30 | 2020-06-26 | 深圳市德洋实验设备有限公司 | Energy-saving cold and hot impact test box |
-
2019
- 2019-01-17 CN CN201920081966.0U patent/CN209612989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111337374A (en) * | 2020-03-30 | 2020-06-26 | 深圳市德洋实验设备有限公司 | Energy-saving cold and hot impact test box |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 214000 11-1-328, Jinshan 4th branch road, Wuxi City, Jiangsu Province Patentee after: Wuxi dehuashi Environmental Technology Co.,Ltd. Address before: 214000 11-1-328, Jinshan 4th branch road, Wuxi City, Jiangsu Province Patentee before: Wuxi Dehua Testing Equipment Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240706 Address after: No. 6 Xianfeng Middle Road, Anzhen Street, Xishan District, Wuxi City, Jiangsu Province, China Electronics (Wuxi) Digital Chip City 3A # - A-1 Patentee after: Wuxi Maibu Intelligent Equipment Co.,Ltd. Country or region after: China Address before: 214000, 11-1-328, Jinshan Fourth Branch Road, Wuxi City, Jiangsu Province (within Wuxi Optoelectronic New Materials Technology Park) Patentee before: Wuxi dehuashi Environmental Technology Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |