CN209680113U - A kind of thermal shock test chamber - Google Patents
A kind of thermal shock test chamber Download PDFInfo
- Publication number
- CN209680113U CN209680113U CN201920114014.4U CN201920114014U CN209680113U CN 209680113 U CN209680113 U CN 209680113U CN 201920114014 U CN201920114014 U CN 201920114014U CN 209680113 U CN209680113 U CN 209680113U
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- Prior art keywords
- developmental tube
- thermal shock
- shock test
- test chamber
- cabinet
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Abstract
The utility model discloses a kind of thermal shock test chamber comprising cabinet, chamber door are arranged in order at several intracorporal laminates of the case, the developmental tube being arranged on the laminate and heating device and ventilation duct, blower and liquid nitrogen machine outside the cabinet from top to bottom；The left and right ends of the developmental tube are open and extend respectively to outside the cabinet, and the heating device is in contact with the developmental tube lower surface；Multiple disconnecting switch are provided in the developmental tube, multiple disconnecting switch will be separated into several enclosure spaces in the developmental tube when being closed；The outlet of the air outlet, the liquid nitrogen machine of open at one end, the described blower of the developmental tube is connect with the ventilation duct.Space in the cabinet is carried out vertical division by the laminate, so that can store multiple samples in the cabinet, and by the switch of the temperature and liquid nitrogen machine that adjust heating device, is realized the test for carrying out different temperatures simultaneously to each layer of sample, is saved cost.
Description
Technical field
The utility model relates to high-temperature test chamber technical field more particularly to a kind of thermal shock test chambers.
Background technique
Chamber is widely used in Aeronautics and Astronautics, electronics, IT industry, instrument and meter, electric product technical field, uses
Be widely varied in analog sample in temperature, change dramatically during, if be able to maintain good, reliable performance.
Chamber in the prior art can only provide a unified temperature to entire box house, no as a whole
The local domain of box house can be divided, provide different temperature environments to each field to be tested；To right
Different samples carry out different temperatures test, then need the chamber of corresponding number, cause production cost higher.
Therefore, the existing technology needs to be improved and developed.
Utility model content
The technical problem to be solved by the present invention is in view of the above drawbacks of the prior art, provide a kind of temperature punching
Hit chamber, it is intended to realize and different temperatures test is carried out simultaneously to multiple samples, reduce production cost.
The utility model technical scheme applied to solve the technical problem is as follows:
A kind of thermal shock test chamber comprising cabinet and chamber door further include being arranged in order at institute from top to bottom
State several intracorporal laminates of case, the developmental tube being arranged on the laminate and heating device and outside the cabinet
Ventilation duct, blower and liquid nitrogen machine；The left and right ends of the developmental tube are open and extend respectively to outside the cabinet, the heating
Device is in contact with the developmental tube lower surface；Multiple disconnecting switch, multiple disconnecting switch are provided in the developmental tube
When closure several enclosure spaces will be separated into the developmental tube；The outlet air of open at one end, the described blower of the developmental tube
The outlet of mouth, the liquid nitrogen machine is connect with the ventilation duct.
The thermal shock test chamber, wherein the disconnecting switch includes support column and is fixed at the support
Circular baffle plate on column；The support column is arranged radially along the developmental tube, and the both ends of the support column are all connected with the examination
Pipe is tested, and can be rotated relative to the developmental tube；The inner wall clearance fit of the outer wall of the circular baffle plate and the developmental tube.
The thermal shock test chamber, wherein the weight of the circular baffle plate first end is less than the circular baffle plate second
The weight at end, the line between the first end and the second end is perpendicular to the support column.
The thermal shock test chamber, wherein first end setting is fluted, and the groove is towards in the developmental tube
Air current flow direction recess.
The thermal shock test chamber, wherein be provided with several sealing strips on the inside of the chamber door, the sealing strip with
The laminate corresponds.
The thermal shock test chamber, wherein the blower and the ventilation duct junction are provided with the disconnecting switch.
The thermal shock test chamber, wherein the upper surface of the laminate is provided with insulating layer.
The thermal shock test chamber, wherein the upper surface of the laminate is provided with holding tank, and the heating device is located at
In the holding tank.
The thermal shock test chamber, wherein the heating device includes heater strip and relay, the relay with
The heater strip electrical connection.
The thermal shock test chamber, wherein be provided with temperature sensor in the developmental tube, be provided on the chamber door
Liquid crystal display, the liquid crystal display are electrically connected with the temperature sensor.
The utility model has the advantages that space in the cabinet is carried out vertical division by the laminate in the utility model, and every
It is respectively provided with the developmental tube and the heating device on one laminate, so that multiple samples can be stored in the cabinet,
And by the switch of the temperature and the liquid nitrogen machine that adjust heating device, realizes and different temperatures is carried out simultaneously to each layer of sample
Test, promoted working efficiency, save production cost；When multiple disconnecting switch closure, multiple disconnecting switch will
It is separated into several enclosure spaces in the developmental tube, guarantees the air-tightness in the space being located between two disconnecting switch,
Convenient for testing the air pressure change of the developmental tube at different temperatures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of thermal shock test chamber described in the utility model；
Fig. 2 is the structural schematic diagram of disconnecting switch described in the utility model；
Fig. 3 is the assembled view of disconnecting switch described in the utility model, the limited post in the developmental tube；
Fig. 4 is the assembled view of disconnecting switch described in the utility model, the limited post in the pipeline；
Fig. 5 is the functional schematic block diagram of thermal shock test chamber described in the utility model.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only used to explain this reality
With novel, it is not used to limit the utility model.
Please refer to Fig. 1-Fig. 5.The utility model provides a kind of thermal shock test chamber, as shown in Figure 1 and Figure 4,
Including cabinet 1, chamber door 2, from top to bottom it is arranged in order at several laminates 3 in the cabinet 1, is arranged in the laminate
Developmental tube 4 and heating device 5 on 3 and the ventilation duct 7 outside the cabinet 1, blower 8 and liquid nitrogen machine 100；The case
Body 1 has opening, and the opening of the cabinet 1 is arranged in the chamber door 2, and for blocking to the opening of the cabinet 1,
To close the cabinet 1, when carrying out humid test, the cabinet 1 is kept the temperature.The quantity of the developmental tube 4 and institute
The quantity for stating laminate 3 is equal, and the developmental tube 4 is provided on each described laminate 3；It is used in the developmental tube 4
Sample to be tested is held, the heating device 5 is in contact with 4 lower surface of developmental tube, when the unlatching heating device 5
When, high warm is passed to the developmental tube 4 by the heating device 5, thus heat up to air in the developmental tube 4, it is right
Sample carries out hot test in the developmental tube 4.Space in the cabinet 1 is carried out by the laminate 3 in the utility model
Vertical division, and it is respectively provided with the developmental tube 4 and the heating device 5 on each described laminate 3, so that the cabinet 1
It is interior to store multiple samples, and the temperature by adjusting each layer of heating device 5, it realizes and each layer of sample is carried out not simultaneously
Synthermal test promotes working efficiency, saves production cost.
In the utility model, sample can be electronic component, organic material, textile, leather etc..
Multiple disconnecting switch 6, length of multiple disconnecting switch 6 along the developmental tube 4 are provided in the developmental tube 4
Direction is successively spaced setting, and when multiple disconnecting switch 6 are opened, space forms the access of air-flow in the developmental tube 4；
When multiple disconnecting switch 6 closure, multiple disconnecting switch 6 will be separated into several closings in the developmental tube 4 empty
Between, guarantee the air-tightness in the space being located between two disconnecting switch 6, convenient for testing the developmental tube 4 in different temperatures
Under air pressure change.
Due to being provided with multiple disconnecting switch 6 along its length along the developmental tube 4, thus when multiple described
When disconnecting switch 6 is closed, the developmental tube 4 can be marked off to multiple enclosure spaces, staff can will carry out same
Humid test and volume multiple samples compatible with the enclosure space are put into enclosure space one by one further promotes temperature
Spend the efficiency of test.
The left and right ends of developmental tube 4 described in the utility model all have opening, and extend respectively to outside the cabinet 1,
The left end of the developmental tube 4 is extended to the left side of the cabinet 1, and the right end of the developmental tube 4 is to the right side of the cabinet 1
It is extended, the blower 8, which can be set, also can be set in the left side of the cabinet 1 on the right side of the cabinet 1, described logical
Air hose 7 and the blower 8 are located at the same side of the cabinet 1, to be connected with each other and divulge information into the developmental tube 4.
Preferred embodiment, the ventilation duct 7, the blower 8 and the liquid nitrogen machine 100 are respectively positioned on the right side of the cabinet 1
Side, the ventilation duct 7 are connected to the developmental tube 4, and the air outlet of the blower 8 is connect with the ventilation duct 7, the liquid nitrogen machine
100 outlet is connect with the ventilation duct 7, and the left end opening of the developmental tube 4 is used as air outlet, the right end of the developmental tube 4
Opening is used as air inlet, and multiple developmental tubes 4 are in parallel, is provided on the ventilation duct 7 one-to-one with the developmental tube 4
Outlet, the outlet are connect with the right-end openings of the developmental tube 4, when the blower 8 starting, open the disconnecting switch 6,
Air-flow enters in the developmental tube 4 by the right-end openings of the ventilation duct 7, the developmental tube 4, finally from the developmental tube 4
Left end be open blowout, to cool down to the developmental tube 4, so that temperature and air pressure is restored room temperature normal
Pressure.It is completed in the utility model by the hot test of sample, and after closing the heating device 5, can pass through and open the wind
Machine 8, the blower 8 provide the power for entering the air-flow inside the developmental tube 4, allow the developmental tube 4 is interior to enter cooling air-flow,
4 inner space of developmental tube and sample are cooled down rapidly, realize the drop of temperature and air pressure in the developmental tube 4
It is low.
Thermal shock test chamber described in the utility model can be not only used for the hot test to sample, also can be used
In carrying out low-temperature test to sample, preferred embodiment carries out thermocycling to sample, then first turns on described
Heating device 5 closes the disconnecting switch 6, carries out hot test to sample, after the completion of hot test, opens the wind
Machine 8 and the disconnecting switch 6 cool down to the developmental tube 4, make in the developmental tube 4 after air recovery normal temperature and pressure, then
The liquid nitrogen machine 100 and the disconnecting switch 6 are opened, after so that the developmental tube is cooled down reach required temperature rapidly, described in closing
Disconnecting switch 6 carries out low-temperature test.
Preferably, liquid nitrogen causes adverse effect, the blower 8 to the blower 8 when to avoid the liquid nitrogen machine 100 from opening
It is also provided with the disconnecting switch 6 with the junction of the ventilation duct 7, when the blower 8 is opened, the disconnecting switch 6 is synchronous
It opens；6 close synchronously of disconnecting switch when the blower 8 is closed, and when the liquid nitrogen machine 100 unlatching, it is described to keep apart
6 are closed to close.
As shown in Figures 2 and 3, the disconnecting switch 6 includes support column 61 and is fixed on the support column 61
Circular baffle plate 62；Disconnecting switch in the utility model for being arranged in the developmental tube 4: several described disconnecting switch 6
Length direction along the developmental tube 4 is arranged successively setting；Being arranged radially along the developmental tube 4 of support column 61, it is described
The both ends of support column 61 are all connected with the developmental tube 4, and can rotate relative to the developmental tube 4；In the utility model, by turning
The support column 61 is moved, drives the circular baffle plate 62 to rotate, to realize the opening and closing of the disconnecting switch 6；It is described
The shape of circular baffle plate 62 is adapted with the center hole shape of the developmental tube 4, when the disconnecting switch 6 is closed, the circle
The central axis of baffle 62 and the central axis of the developmental tube 4 coincide；When the support column 61 rotation, the circle is driven
Shape baffle 62 rotates, and increases the distance between 62 circular outer wall of circular baffle plate and 4 inner wall of developmental tube, realizes the examination
Test the circulation of 4 interior air-flow of pipe.It should be noted that the outer wall of circular baffle plate 62 described in the utility model and the developmental tube 4
Inner wall clearance fit, to guarantee that the circular baffle plate 62 accessible can be overturn in the developmental tube 4, but described keep apart
When closing 6 closure, the gap between 4 inner wall of 62 circular outer wall of circular baffle plate and the developmental tube not will cause humid test
Too big influence, can be ignored.
The weight of 62 first end of circular baffle plate be less than 62 second end of circular baffle plate weight, the first end with
Line between the second end enables the first end under natural conditions and the second end perpendicular to the support column 61
It is enough setting up and down, to be separated to 4 inner space of developmental tube.By the blower 8 to the examination in the utility model
The air-flow being blown into pipe 4 is tested, the circular baffle plate 62 is blown and overturns, realize the unlatching of the disconnecting switch 6；The blower 8 opens
After dynamic, the wind-force in the developmental tube 4 is greater than the gravity of the first end, to guarantee that the air-flow that the blower 8 is blown out enters
After in the developmental tube 4, the circular baffle plate 62 can be blown and overturn.
Preferred embodiment, first end setting fluted 13, the groove 13 is towards the 4 interior air-flow stream of developmental tube
Dynamic direction recess, i.e., the described groove 13 are recessed towards the left side of the developmental tube 4, increase promotion of the air-flow to the first end
Power, when so that the blower 8 being opened, under the effect of air-flow motive force, the circular baffle plate 62 can be rotated counterclockwise, and realize institute
State the unlatching of disconnecting switch 6.When the blower 8 is closed, air-flow stops, under the gravity of the second end itself, institute
Circular baffle plate 62 is stated to reset and close the developmental tube 4.The bottom surface of the groove 13 exceeds the second end towards the groove
The outer surface in 13 recess directions.
(arrow indicates the 4 interior air-flow flow direction of developmental tube in figure) as shown in Figure 3, further, the developmental tube 4
Inner wall on be provided with limited post 18, the limited post 18 is corresponded with the disconnecting switch 6, the limited post 18 with it is described
Disconnecting switch 6 is successively arranged along air current flow direction；The circular baffle plate 62 is contacted with the limited post 18 in its natural state,
When so that the blower 8 or the liquid nitrogen machine 100 being opened, under air blast effect, the circular baffle plate 62 can only be along the inverse time
The one-way conduction effect of the disconnecting switch 6 is realized in needle rotation.
The blower 8 is connect with the ventilation duct 7 by pipeline 17, and the disconnecting switch 6 is provided in the pipeline 17,
The groove 13 is to away from 8 side of blower recess setting, after the disconnecting switch 6 is installed in the pipeline 17, institute
The inner wall for stating support column 61 and the pipeline 17 is rotatablely connected；Since the bottom surface of the groove 13 exceeds the second end towards institute
The outer surface for stating the recess of groove 13 direction, when air-flow is blown by the pipeline 17 to 8 direction of blower, the groove 13
The bottom surface in outside disperses air-flow, reduces the wind-force that the first end is born, to reduce the first end to described recessed
A possibility that recess of slot 13 direction rotation, the air-flow for avoiding the liquid nitrogen machine 100 from generating when opening passes through the ventilation duct 7 and institute
It states pipeline 17 and blows to the blower 8.
Further, as shown in Figure 4 (when arrow indicates that the blower 8 is opened in figure, the 17 interior air-flow flowing side of pipeline
To), the limited post 18 is provided in the pipeline 17, the limited post 18 is with the disconnecting switch 6 successively along the blower 8
Open generate air-flow in the pipeline 17 flow direction setting, the circular baffle plate 62 in the raw when, the limit
Column 18 and first end in contact, further limit the rotation of the circular baffle plate 62, so that only in the blower 8
The limit switch 6 can just be opened when unlatching, and when the blower 8 is closed, the limit switch 6 is in close state always, is kept away
The air-flow for exempting to generate when the liquid nitrogen machine 100 is opened blows to the blower 8 by the ventilation duct 7 and the pipeline 17.
The inside of the chamber door 2 is provided with several sealing strips 9, and the sealing strip 9 protrudes from the interior table of the chamber door 2
Face, and the sealing strip 9 and the laminate 3 correspond, when so that the chamber door 2 being closed, the sealing strip 9 can with it is described
Laminate 3 is bonded, to guarantee the air-tightness of each sheaf space separated in the cabinet 1 by the laminate 3, avoids the cabinet
When each sheaf space carries out different temperatures test in 1, airtight space is poor, and influences experimental data.
The upper surface of the laminate 3 is provided with insulating layer, promotes the space that the laminate 3 is separated out by the insulating layer
The persistence of interior temperature, avoids temperature leak from adversely affecting experimental data.
The upper surface of the laminate 3 is provided with holding tank, and the heating device 5 is located in the holding tank, so that described
Laminate 3 and the heating device 5 can contact the developmental tube 4, increase the area that the developmental tube 4 is supported, and guarantee institute
State the stability that developmental tube 4 is installed in the cabinet 1.
The heating device 5 includes heater strip and relay, and the relay is electrically connected with the heater strip, passes through institute
The opening and closing that relay controls the heater strip circuit are stated, the adjusting of each layer of temperature, passes through tune in the utility model
The working frequency of the whole heater strip realizes that such temperature regulation mechanism is the prior art, and details are not described herein again.
As shown in figure 5, thermal shock test chamber described in the utility model further includes PLC controller 14, the PLC control
The model Mitsubishi FX3U-32MR of device 14, the heating device 5, the blower 8, the liquid nitrogen machine 100 are controlled with the PLC
Device 14 processed is electrically connected.
It is provided with temperature sensor 15 in the developmental tube 4, liquid crystal display 16, the liquid are provided on the chamber door 2
Crystal display screen 16, the temperature sensor 15 are electrically connected with the PLC controller 14, and the temperature sensor 15 is used for institute
State temperature in developmental tube 4 and carry out induction monitoring, the temperature that the liquid crystal display 16 is used to measure the temperature sensor into
Row display, makes user get information about temperature in the developmental tube 4, preferably to be controlled to temperature in the developmental tube 4.
Developmental tube 4 described in the utility model is transparent heat-resistant glass developmental tube, and the transparent heat-resistant glass developmental tube is then
Can be convenient for observing internal sample the case where, and the heat radiation of light can also be received well, heat radiation can be passed through
Sample inside the transparent heat-resistant glass developmental tube is heated.
In preferred embodiment, as shown in Figure 1, the bottom of the cabinet 1 is additionally provided with movable pulley 12 and heel brace 11.Pass through institute
The cabinet 1 can be moved by stating movable pulley 12, and can then adjust the flat of the placement of cabinet 1 by the heel brace 11
Stability.
In conclusion the utility model provides a kind of thermal shock test chamber comprising cabinet, chamber door, from top to bottom
Be arranged in order at several intracorporal laminates of the case, the developmental tube being arranged on the laminate and heating device and
Ventilation duct and blower outside the cabinet；The left and right ends of the developmental tube extend respectively to outside the cabinet, described to add
Thermal is in contact with the developmental tube lower surface；It is provided with multiple disconnecting switch in the developmental tube, it is multiple described to keep apart
The length direction closed along the developmental tube is successively spaced setting, and multiple disconnecting switch will separate when being closed in the developmental tube
At several enclosure spaces；The ventilation duct is connected to the developmental tube, and the air outlet of the blower is connect with the ventilation duct.
Space in the cabinet is carried out by vertical division by the laminate in the utility model, and is all provided on each described laminate
The developmental tube and the heating device are set, so that multiple samples can be stored in the cabinet, and added by adjusting each layer
The temperature of thermal realizes the test for carrying out different temperatures simultaneously to each layer of sample, promotes working efficiency, and saving is produced into
This；When multiple disconnecting switch closure, multiple disconnecting switch will be separated into several closings in the developmental tube empty
Between, guarantee the air-tightness in the space being located between two disconnecting switch, convenient for testing the developmental tube at different temperatures
Air pressure change.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model
The protection scope that benefit requires.
Claims (10)
1. a kind of thermal shock test chamber comprising cabinet and chamber door, which is characterized in that it further includes being arranged successively from top to bottom
Several intracorporal laminates of the case, the developmental tube being arranged on the laminate and heating device are set and are located at described
Ventilation duct, blower and liquid nitrogen machine outside cabinet；The left and right ends of the developmental tube are open and extend respectively to outside the cabinet,
The heating device is in contact with the developmental tube lower surface；Multiple disconnecting switch are provided in the developmental tube, it is multiple described
Disconnecting switch will be separated into several enclosure spaces in the developmental tube when being closed；Open at one end, the described wind of the developmental tube
The outlet of the air outlet of machine, the liquid nitrogen machine is connect with the ventilation duct.
2. thermal shock test chamber according to claim 1, which is characterized in that the disconnecting switch includes support column and consolidates
Circular baffle plate on the support column is set calmly；The support column is arranged radially along the developmental tube, the support column
Both ends are all connected with the developmental tube, and can rotate relative to the developmental tube；The outer wall of the circular baffle plate and the developmental tube
Inner wall clearance fit.
3. thermal shock test chamber according to claim 2, which is characterized in that the weight of the circular baffle plate first end is less than
The weight of the circular baffle plate second end, the line between the first end and the second end is perpendicular to the support column.
4. thermal shock test chamber according to claim 3, which is characterized in that the first end setting is fluted, described recessed
Slot is recessed towards developmental tube interior air-flow flow direction.
5. thermal shock test chamber according to claim 1, which is characterized in that it is close to be provided with several on the inside of the chamber door
Strip of paper used for sealing, the sealing strip and the laminate correspond.
6. thermal shock test chamber according to claim 1, which is characterized in that the blower is set with the ventilation duct junction
It is equipped with the disconnecting switch.
7. thermal shock test chamber according to claim 1, which is characterized in that the upper surface of the laminate is provided with heat preservation
Layer.
8. thermal shock test chamber according to claim 1, which is characterized in that the upper surface of the laminate is provided with receiving
Slot, the heating device are located in the holding tank.
9. thermal shock test chamber according to claim 1, which is characterized in that the heating device include heater strip and after
Electric appliance, the relay are electrically connected with the heater strip.
10. thermal shock test chamber according to claim 1, which is characterized in that be provided with temperature sensing in the developmental tube
Device is provided with liquid crystal display on the chamber door, and the liquid crystal display is electrically connected with the temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114014.4U CN209680113U (en) | 2019-01-23 | 2019-01-23 | A kind of thermal shock test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920114014.4U CN209680113U (en) | 2019-01-23 | 2019-01-23 | A kind of thermal shock test chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209680113U true CN209680113U (en) | 2019-11-26 |
Family
ID=68599800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920114014.4U Expired - Fee Related CN209680113U (en) | 2019-01-23 | 2019-01-23 | A kind of thermal shock test chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209680113U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595620A (en) * | 2020-11-25 | 2021-04-02 | 广东艾斯瑞仪器科技有限公司 | Cold and hot impact test box and test method thereof |
| CN113294953A (en) * | 2021-06-11 | 2021-08-24 | 四川大学华西医院 | Laboratory low temperature cabinet of drawing materials |
-
2019
- 2019-01-23 CN CN201920114014.4U patent/CN209680113U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112595620A (en) * | 2020-11-25 | 2021-04-02 | 广东艾斯瑞仪器科技有限公司 | Cold and hot impact test box and test method thereof |
| CN113294953A (en) * | 2021-06-11 | 2021-08-24 | 四川大学华西医院 | Laboratory low temperature cabinet of drawing materials |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20220123 |
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| CF01 | Termination of patent right due to non-payment of annual fee |