CN209118152U - A kind of stable temperature controlled testing device - Google Patents
A kind of stable temperature controlled testing device Download PDFInfo
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- CN209118152U CN209118152U CN201821869957.XU CN201821869957U CN209118152U CN 209118152 U CN209118152 U CN 209118152U CN 201821869957 U CN201821869957 U CN 201821869957U CN 209118152 U CN209118152 U CN 209118152U
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- cabinet
- testing device
- heating module
- temperature controlled
- test machine
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Abstract
The utility model provides a kind of stable temperature controlled testing device, including test machine ontology, cabinet, cabinet is separately mounted to the both ends of test machine ontology, the air outlet face test machine ontology of cabinet is arranged, heating chamber is provided in cabinet, the both ends of heating chamber are separately installed with blowing blower, electric fan and heating module are installed in heating chamber, electric fan is arranged in heating module upper end, temperature sensor is installed on the intrinsic test node of test machine, temperature sensor and control system carry out data connection and control the input of heating module by the PID arithmetic in control system.The utility model guarantees the stability of test macro temperature value by using thermal convection heat temperature raising, ensure that memory test result will not by external environment interference and there is error.
Description
Technical field
The utility model relates generally to memory detection field more particularly to a kind of stable temperature controlled testing device.
Background technique
The existing temperature control device of lithium and technology can only meet DDR3 equipment small size 6dm3BOX heating.And this current public affairs
The mainstream equipment DDR4 of department is highly integrated equipment, BOX size 74.1dm3It is far longer than the former, and each BOX maximum is surveyed
Examination goods, materials and equipments quantity is up to 40ea, the former is most great talent 3pcs/Box.New DDR4 memory test equipment needs a kind of completely new power
It is bigger, performance is more stable, the more temperature control devices of communication link are that DDR4Module is tested and provided a stable environment temperature.
Existing apparatus can no longer meet testing requirement.
Chinese utility model patent, application number CN201721273693.7, a kind of patent name: coolant liquid constant temperature are disclosed
Test macro is controlled, the applying date: 20170929, the utility model relates to a kind of coolant liquid thermostatic control test macros.The cooling
Liquid thermostatic control test macro includes passing with water tank, water pump, the first temperature sensor, second temperature sensor, first flow
Sensor, second flow sensor, first pressure sensor, second pressure sensor, cooling fan and system pipeline accessory, wherein
Water tank has output pipe and return line, water pump, the first temperature sensor, first flow sensor, first pressure sensor
It is connected in the output pipe of water tank, second temperature sensor, second flow sensor, second pressure sensor, cooling fan
It is connected in the return line of water tank；Coolant liquid is stored in water tank, output pipe and return line access in sample to be tested.
The utility model proposes a kind of coolant liquid thermostatic control test macro, can during the test to coolant liquid carry out constant temperature, perseverance
Pressure, current constant control.
Utility model content
The utility model provides a kind of stable temperature controlled testing device and provides one kind in view of the above drawbacks of the prior art
Stable temperature controlled testing device, including test machine ontology 1, cabinet 2, the cabinet 2 are separately mounted to the two of test machine ontology 1
The air outlet face test machine ontology 1 at end, the cabinet 2 is arranged, and is provided with heating chamber in the cabinet 2, the heating chamber
Both ends are separately installed with blowing blower 3, and electric fan 4 and heating module 5 are equipped in the heating chamber, and the electric fan 4 is arranged
Temperature sensor, the temperature sensor are installed on the test node in 5 upper end of heating module, the test machine ontology 1
Data connection is carried out with control system and the input of heating module 5 is controlled by the PID arithmetic in control system.
Preferably, temperature sensor and control system are using RS485 data line progress data connection.
Preferably, No.1 air port 6 is provided on the upper side of cabinet 2, blowing blower 3 is arranged in the No.1 air port 6
Surface.
Preferably, being horizontally disposed between electric fan 4 and heating module 5 has baffle 7, and the length of the baffle 7, which is not less than, to be added
The length of thermal modules 5.
Preferably, baffle 7 is made of three pieces of points of baffle connections.
Preferably, it is provided with No. two air ports 8 on the vertical side of cabinet corresponding with the heating module 5, described two
The height in number air port 8 is greater than the height in No.1 air port 6.
Preferably, the two sides of heating chamber are equipped with limit buckle 9, and the limit buckle 9 is L-shaped.
The utility model has the beneficial effects that the device guarantees test macro temperature value by using thermal convection heat temperature raising
Stability, ensure that memory test result will not by external environment interference and there is error.
It is had the benefit that using PID control system
(1) heating device controlled in real-time, running parameter constantly to adjust with actual value ensures temperature controlled quick, height
Effect；
(2) system delay greatly reduces, and the heating module and electric fan after temperature reaches actual value in heating chamber can be with
It is run with the mode of extremely low power dissipation, so that whole device more energy-saving and environmental protection.
Detailed description of the invention
Fig. 1 is the structure chart of the utility model；
Fig. 2 is the partial enlarged view of cabinet in the utility model；
Fig. 3 is the perspective view that cabinet rotates 180 ° counterclockwise in the utility model；
In figure,
1, test machine ontology；2, cabinet；3, blowing blower；4, electric fan；5, heating module；6, No.1 air port；7, it keeps off
Plate；8, No. two air ports；9, limit buckle.
Specific embodiment
As shown in Figs. 1-3 it is found that the utility model includes: test machine ontology 1, cabinet 2, the cabinet 2 are installed respectively
At the both ends of test machine ontology 1, the air outlet face test machine ontology 1 of the cabinet 2 is arranged, and is provided with and adds in the cabinet 2
Hot chamber, the both ends of the heating chamber are separately installed with blowing blower 3, are equipped with electric fan 4 and heating module in the heating chamber
5, the setting of electric fan 4 is equipped with temperature sensing on the test node in 5 upper end of heating module, the test machine ontology 1
Device, the temperature sensor and control system carry out data connection and control heated mould by the PID arithmetic in control system
The input of block 5.
Using PID ratio proportion, integral integral, differential derivative feedback loop.It is passed by temperature
Sensor obtains actual temperature value, in the input for controlling heating module 5 with setting value relative error.Because in test machine ontology 1
Test process in can give out amount of heat the environment temperature of entire test device is caused to be non-linear and time-varying, in temperature
The operating power of heating module 5 in heating chamber can be adjusted in time to control input thermal current using PID technology when fluctuating larger
Temperature value.When temperature is stablized within the scope of a reference value, heating chamber can be made to enter low-power consumption mode using PID control.
In use, it is blown into test equipment at left and right sides of equipment after the heating module 5 in cabinet 2 heats air, so
The thermal current of rising is sucked by gas vent discharge by the electric fan inside heating chamber again afterwards, such thermal convection avoids heat
It cannot exclude the occurrence of causing temperature excessively high in detection device.
Preferred in this embodiment, temperature sensor and control system are using RS485 data line progress data connection.
Above structure is set, 2 temperature control cavitys and 20 test nodes status information during the test need and
Real time communication is carried out between Host PC Smartview control software, then controls the work shape of each unit by Smartview
State.2 temperature control cavitys and 20 test nodes can be constituted localized network by RS485, control while single-point and multiple spot.
Traditional RS232 can only meet point-to-point communication mode, be unable to satisfy the testing requirement of new equipment.
It is preferred in this embodiment, No.1 air port 6 is provided on the upper side of cabinet 2, the setting of No.1 air port 6 is being blown
The surface of wind blower 3.
Above structure is set, and the surface of blowing blower 3 is arranged in No.1 air port 6, conducive to the quick transmitting of temperature, improves
Temperature control effect.
Preferred in this embodiment, being horizontally disposed between electric fan 4 and heating module 5 has baffle 7, the length of the baffle 7
Degree is not less than the length of heating module 5.
Above structure is set, and the quantity of heat given up of exhausted heating module 5, for electric fan 4 for absorbing heat, baffle 7 can be effective
Every the two, the efficiency of temperature change is improved.
Preferred in this embodiment, baffle 7 is made of three pieces of points of baffle connections.
Above structure is set, using dividing baffle to connect, reduces the occupied area of baffle 7 when transporting, and adapt to different length
The requirement of heating module 5 is spent, is increased and decreased in time.
It is preferred in this embodiment, No. two wind are provided on the vertical side of cabinet corresponding with the heating module 5
Mouth 8, the height in No. two air ports 8 are greater than the height in No.1 air port 6.
Above structure is set, and No.1 air port 6 is used for the output of 5 hot wind of heating module, and No. two air ports 8 are for blower 3 of drying
Thermal energy is drawn, No. two air ports 8 are greater than No.1 air port 6, conducive to the quick output of thermal energy.
Preferred in this embodiment, the two sides of heating chamber are equipped with limit buckle 9, and the limit buckle 9 is L-shaped.
Above structure is set, and limit buckle 9 is used to cabinet 2 being hung on test machine ontology 1, and can guarantee heating module 5
Test node in face test machine ontology 1.
The principles and effects of present patent application are only illustrated in above-described embodiment, not for limitation this patent Shen
Please.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to present patent application
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of present patent application
All equivalent modifications or change completed under mind and technical idea, the claim that should be asked by this patent are covered.
Claims (7)
1. a kind of stable temperature controlled testing device, which is characterized in that including test machine ontology (1), cabinet (2), the cabinet (2)
It is separately mounted to the both ends of test machine ontology (1), air outlet face test machine ontology (1) setting of the cabinet (2), the machine
Heating chamber is provided in case (2), the both ends of the heating chamber are separately installed with blowing blower (3), are equipped in the heating chamber
Electric fan (4) and heating module (5), electric fan (4) setting is in heating module (5) upper end, the test machine ontology (1)
Test node on temperature sensor is installed, the temperature sensor and control system carry out data connection and by control system
PID arithmetic in system controls the inputs of heating module (5).
2. stable temperature controlled testing device according to claim 1, it is characterised in that: the temperature sensor and control are
System carries out data connection using RS485 data line.
3. stable temperature controlled testing device according to claim 2, it is characterised in that: on the upper side of the cabinet (2)
It is provided with No.1 air port (6), No.1 air port (6) setting is in the surface of blowing blower (3).
4. stable temperature controlled testing device according to claim 3, it is characterised in that: the electric fan (4) and heated mould
Being horizontally disposed between block (5) has baffle (7), and the length of the baffle (7) is not less than the length of heating module (5).
5. stable temperature controlled testing device according to claim 4, it is characterised in that: the baffle (7) has three pieces of points of gears
Plate connection composition.
6. stable temperature controlled testing device according to claim 5, it is characterised in that: opposite with the heating module (5)
No. two air ports (8) are provided on the vertical side for the cabinet answered, the height of No. two air ports (8) is greater than No.1 air port (6)
Highly.
7. stable temperature controlled testing device according to claim 6, it is characterised in that: the two sides of the heating chamber are equipped with
Limit buckle (9), the limit buckle (9) are L-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869957.XU CN209118152U (en) | 2018-11-13 | 2018-11-13 | A kind of stable temperature controlled testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821869957.XU CN209118152U (en) | 2018-11-13 | 2018-11-13 | A kind of stable temperature controlled testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209118152U true CN209118152U (en) | 2019-07-16 |
Family
ID=67204996
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821869957.XU Active CN209118152U (en) | 2018-11-13 | 2018-11-13 | A kind of stable temperature controlled testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924774A (en) * | 2021-01-21 | 2021-06-08 | 杭州永谐科技有限公司上海分公司 | Constant-temperature darkroom system for aging test |
-
2018
- 2018-11-13 CN CN201821869957.XU patent/CN209118152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924774A (en) * | 2021-01-21 | 2021-06-08 | 杭州永谐科技有限公司上海分公司 | Constant-temperature darkroom system for aging test |
| CN112924774B (en) * | 2021-01-21 | 2023-07-14 | 杭州永谐科技有限公司上海分公司 | Constant temperature darkroom system for aging test |
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