CN205587003U - High low -temperature constant -temperature test device of high accuracy - Google Patents
High low -temperature constant -temperature test device of high accuracy Download PDFInfo
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- CN205587003U CN205587003U CN201620417497.1U CN201620417497U CN205587003U CN 205587003 U CN205587003 U CN 205587003U CN 201620417497 U CN201620417497 U CN 201620417497U CN 205587003 U CN205587003 U CN 205587003U
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- temperature
- platen
- ventilation duct
- seal closure
- test device
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Abstract
The utility model discloses a high low -temperature constant -temperature test device of high accuracy, constitute including platen (1), be equipped with ventilation pipe (2) on platen (1), ventilation pipe (2) upper portion is equipped with sealed cowling (3), be equipped with ventilation hole (4) around ventilation pipe (2) is arranged on platen (1), platen (1) bottom is equipped with the box (5) of giving vent to anger in intercommunication ventilation hole (4), the box (5) of giving vent to anger is connected with controlled temperature chamber (7) through outlet duct (6), controlled temperature chamber (7) and ventilation pipe (2) lower part intercommunication, be equipped with condenser pipe (8) and heating pipe (9) in controlled temperature chamber (7), condenser pipe (8) and heating pipe (9) are connected with temperature sensor (10) of setting in sealed cowling (3) through the control unit, controlled temperature chamber (7) lateral part is equipped with lateral part fan (11), ventilation pipe (2) lower extreme is equipped with bottom fan (12). The utility model has the characteristics of accuse temperature fluctuation degree is little better with the samming effect.
Description
Technical field
This utility model relates to a kind of high/low temperature constant-temperaturetest test device, particularly a kind of stable temperature control
High accuracy high/low temperature constant-temperaturetest test device.
Background technology
Traditional high/low temperature calorstat operation principle has multiple, currently used most be calorstat
Internal gas-circulating system of putting, temperature is heated up by compression mechanism cold air, electric-heating-wire-heating,
Make gas circulation temperature lowering or intensification in casing, then by precision temperature control device and regulation circulated air
In amount and direction make casing, hygral equilibrium is uniform.Use the high-low temperature chamber simple in construction of this principle,
But because of the mode difference of circulative convection, cause controlling result and be inaccurate, it is impossible to realize high accuracy
The technology requirement of calorstat.
Other principle also has temperature to pass through outside thermostatic water bath set water temperature, makes the water of temperature constant
In test casing, cycle heat exchange balances with thermostatic water bath design temperature to reach temperature in casing,
Thus effective control chamber body temperature.But the deficiency of this kind of principle is to arrive stabilization time relatively
Long, applicable situation is limited, under conditions of more than 100 DEG C or less than 0 DEG C and inapplicable.
The most generally using the high/low temperature calorstat of above-mentioned principle, technical specification can only achieve as follows
Require: temperature range: 0 DEG C～100 DEG C, temperature deviation ± 1.0 DEG C, temperature uniformity 1.0 DEG C,
Temperature fluctuation ± 0.5 DEG C；Temperature range :-60 DEG C～0 DEG C or 100 DEG C～200 DEG C, temperature is inclined
Difference ± 2.0 DEG C, temperature uniformity 3.0 DEG C, temperature fluctuation ± 0.5 DEG C；Temperature range: 200 DEG C
～300 DEG C, temperature deviation ± 3.0 DEG C, temperature uniformity 3.0 DEG C, temperature fluctuation ± 2 DEG C.
Utility model content
The purpose of this utility model is, it is provided that a kind of high accuracy high/low temperature constant-temperaturetest test device.
This utility model has that temperature control fluctuation degree is little and the preferable feature of even temperature effect.
The technical solution of the utility model: high/low temperature constant-temperaturetest test device in high precision, its feature exists
In: including that platen, platen are provided with ventilation duct, ventilation duct top is provided with seal closure, on platen
It is provided around the air vent that ventilation duct is arranged, bottom platen, is communicated with the box of giving vent to anger of air vent,
Box of giving vent to anger connects through escape pipe has temperature control chamber, temperature control chamber to connect with ventilation duct bottom, temperature control intracavity
Being provided with condensing tube and add heat pipe, condensing tube is arranged on sealing with adding heat pipe through control unit connection
Temperature sensor in cover；Described temperature control chamber sidepiece is provided with sidepiece fan, described ventilation duct lower end
It is provided with bottom fan.
In aforesaid high accuracy high/low temperature constant-temperaturetest test device, described air vent is to be with ventilation duct
The 1-3 at center encloses air vent.
In aforesaid high accuracy high/low temperature constant-temperaturetest test device, described seal closure is provided with elevator
Structure, elevating mechanism includes that the hydraulic stem being arranged symmetrically with, the upper end of two hydraulic stems are provided with crossbeam,
Crossbeam is connected with seal closure through connector.
In aforesaid high accuracy high/low temperature constant-temperaturetest test device, described platen is provided with sealing gasket,
Seal closure is arranged on sealing gasket.
In aforesaid high accuracy high/low temperature constant-temperaturetest test device, described high accuracy high/low temperature constant temperature tries
The constant temperature method of experiment device is, by sidepiece fan by by condensing tube with add the sky after thermal management system
Gas is delivered in ventilation duct, and the bottom fan of ventilation duct lower end delivers the air in seal closure,
Flow downward after encountering seal closure inner top, and give vent to anger in box by air vent entrance, box of giving vent to anger
Interior air enters to temperature control intracavity through escape pipe, by seal closure under the priming of sidepiece fan
Temperature sensor sense in real time, and via controller to condensing tube and adds heat pipe and controls
System, thus the air of temperature control intracavity is carried out temperature control.
Compared with prior art, this utility model is by ventilation duct, seal closure, air vent and control
Temperature chamber etc. forms air duct, and coordinates the fan of ad-hoc location to carry out priming, it is ensured that internal empty
Flow of air is stable so that temperature control fluctuation degree is little, even temperature effect preferably, temperature fluctuation is ±
0.03 DEG C, temperature uniformity is ＜ 0.05 DEG C, and the stability and all of temperature control is greatly improved
Even property, and materials'use is conventional, can be significantly reduced to this.This utility model also uses hydraulic pressure
Seal closure is lifted by cylinder, convenient use.This utility model is when transmitting air, by logical
First encounter seal closure top after airduct blow out air, can effectively buffer wind speed, and energy homogeneous air,
Make the air velocity in seal closure stable, thus ensure temperature control effect.Of the present utility model
Air circulation system compact conformation, connects compactedness strong, uses stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of air vent.
Being labeled as in accompanying drawing: 1-platen, 2-ventilation duct, 3-seal closure, 4-air vent, 5-
Giving vent to anger box, 6-escape pipe, 7-temperature control chamber, 8-condensing tube, 9-adds heat pipe, 10-temperature sensing
Device, 11-sidepiece fan, fan bottom 12-, 13-hydraulic stem, 14-crossbeam, 15-connector,
16-sealing gasket.
Detailed description of the invention
With embodiment, this utility model is further described below in conjunction with the accompanying drawings, but does not make
For the foundation that this utility model is limited.
Embodiment.High/low temperature constant-temperaturetest test device in high precision, is constituted as illustrated in fig. 1 and 2, bag
Including platen 1, platen 1 is provided with ventilation duct 2, and ventilation duct 2 top is provided with seal closure 3, platform
It is provided around the air vent 4 that ventilation duct 2 is arranged on plate 1, is communicated with bottom platen 1 ventilating
The box 5 of giving vent to anger in hole 4, box 5 of giving vent to anger connects through escape pipe 6 a temperature control chamber 7, temperature control chamber 7 with
Ventilation duct 2 bottom connects, and is provided with condensing tube 8 and adds heat pipe 9, condensing tube 8 in temperature control chamber 7
Have, through control unit connection, the temperature sensor 10 being arranged in seal closure 3 with adding heat pipe 9；
Described temperature control chamber 7 sidepiece is provided with sidepiece fan 11, and described ventilation duct 2 lower end is provided with bottom wind
Fan 12.Described ventilation duct 2 lower end extend out to give vent to anger the bottom of box 5.
Described air vent 4 is that the 1-3 centered by ventilation duct 2 encloses air vent.
Described seal closure 3 is provided with elevating mechanism, and elevating mechanism includes the hydraulic stem being arranged symmetrically with
13, the upper end of two hydraulic stems 13 is provided with crossbeam 14, and crossbeam 14 is through connector 15 and sealing
Cover 3 connection.
Described platen 1 is provided with sealing gasket 16, and seal closure 3 is arranged on sealing gasket 16.
According to aforesaid high accuracy high/low temperature constant-temperaturetest test device, described high accuracy high/low temperature constant temperature
The constant temperature method of assay device is, by sidepiece fan by by condensing tube with after adding thermal management system
Air is delivered in ventilation duct, and the bottom fan of ventilation duct lower end delivers the air to seal closure
In, flow downward after encountering seal closure inner top, and give vent to anger in box by air vent entrance, go out
Air in gas box enters to temperature control intracavity through escape pipe under the priming of sidepiece fan, by sealing
Temperature sensor in cover senses in real time, and via controller to condensing tube and adds heat pipe and carries out
Control, thus the air of temperature control intracavity is carried out temperature control.Controller is according to temperature sensor control
Condensing tube and add the mode of heat pipe can control mode routinely.
This utility model, can be as follows when specifically used: ventilation duct can use diameter 160mm
Pipe, seal closure uses the seal closure of heat-insulation and heat-preservation, and sidepiece fan is from adding heat pipe generally
120-160mm, sidepiece fan can use the fan blade of a diameter of 200mm, bottom fan to use
The fan blade of a diameter of 160mm.The motor connecting fan all uses 60w's.
This utility model forms air by ventilation duct, seal closure, air vent and temperature control chamber etc. and leads to
Road, and coordinate the fan of ad-hoc location to carry out priming, it is ensured that internal air stream Dynamic stability so that
Temperature control fluctuation degree is little, and even temperature effect is preferable, and temperature fluctuation is ± 0.03 DEG C, temperature uniformity
For ＜ 0.05 DEG C, stability and the uniformity of temperature control it is greatly improved, and materials'use
Routine, can be significantly reduced to this.This utility model also uses hydraulic cylinder to lift seal closure,
Convenient use.This utility model is when transmitting air, by first encountering after ventilation duct blow out air
Seal closure top, can effectively buffer wind speed, and energy homogeneous air so that the sky in seal closure
Gas velocity is stable, thus ensures temperature control effect.Air circulation system structure of the present utility model is tight
Gather, connect compactedness strong, use stable.
Claims (4)
1. high accuracy high/low temperature constant-temperaturetest test device, it is characterised in that: include platen (1),
Platen (1) is provided with ventilation duct (2), and ventilation duct (2) top is provided with seal closure (3), platform
The air vent (4) that ventilation duct (2) is arranged, platen (1) bottom it is provided around on plate (1)
Being communicated with the box of giving vent to anger (5) of air vent (4), box of giving vent to anger (5) is through escape pipe (6) even
Being connected to temperature control chamber (7), temperature control chamber (7) connect with ventilation duct (2) bottom, temperature control chamber (7)
Inside be provided with condensing tube (8) and add heat pipe (9), condensing tube (8) and add heat pipe (9) through control
Unit processed connects the temperature sensor (10) being arranged in seal closure (3)；Described temperature control chamber
(7) sidepiece is provided with sidepiece fan (11), and described ventilation duct (2) lower end is provided with bottom fan
(12)。
High accuracy high/low temperature constant-temperaturetest test device the most according to claim 1, its feature
It is: described air vent (4) is that the 1-3 centered by ventilation duct (2) encloses air vent.
High accuracy high/low temperature constant-temperaturetest test device the most according to claim 1, its feature
Being: described seal closure (3) is provided with elevating mechanism, elevating mechanism includes being arranged symmetrically with
Hydraulic stem (13), the upper end of two hydraulic stems (13) is provided with crossbeam (14), crossbeam (14)
It is connected with seal closure (3) through connector (15).
4. according to the high accuracy high/low temperature constant-temperaturetest test device described in claim 1,2 or 3,
It is characterized in that: described platen (1) is provided with sealing gasket (16), seal closure (3) is arranged
On sealing gasket (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417497.1U CN205587003U (en) | 2016-05-10 | 2016-05-10 | High low -temperature constant -temperature test device of high accuracy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620417497.1U CN205587003U (en) | 2016-05-10 | 2016-05-10 | High low -temperature constant -temperature test device of high accuracy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205587003U true CN205587003U (en) | 2016-09-21 |
Family
ID=56931309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620417497.1U Withdrawn - After Issue CN205587003U (en) | 2016-05-10 | 2016-05-10 | High low -temperature constant -temperature test device of high accuracy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205587003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833923A (en) * | 2016-05-10 | 2016-08-10 | 湖州唯立仪表厂 | High-precision high-low-temperature constant-temperature testing device |
| CN108073192A (en) * | 2017-12-06 | 2018-05-25 | 上海华力微电子有限公司 | A kind of intelligent gas hood based on high/low-temperature impact system |
-
2016
- 2016-05-10 CN CN201620417497.1U patent/CN205587003U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105833923A (en) * | 2016-05-10 | 2016-08-10 | 湖州唯立仪表厂 | High-precision high-low-temperature constant-temperature testing device |
| CN105833923B (en) * | 2016-05-10 | 2017-11-14 | 湖州唯立仪表厂 | A kind of high-precision high/low temperature constant-temperaturetest test device |
| CN108073192A (en) * | 2017-12-06 | 2018-05-25 | 上海华力微电子有限公司 | A kind of intelligent gas hood based on high/low-temperature impact system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160921 Effective date of abandoning: 20171114 |