CN208449353U - A kind of high-precision temperature calibration test high-low temperature test chamber - Google Patents
A kind of high-precision temperature calibration test high-low temperature test chamber Download PDFInfo
- Publication number
- CN208449353U CN208449353U CN201821100415.6U CN201821100415U CN208449353U CN 208449353 U CN208449353 U CN 208449353U CN 201821100415 U CN201821100415 U CN 201821100415U CN 208449353 U CN208449353 U CN 208449353U
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- temperature
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- 238000012360 testing method Methods 0.000 title claims abstract description 50
- 238000005192 partition Methods 0.000 claims abstract description 14
- 238000001704 evaporation Methods 0.000 claims abstract description 11
- 230000008020 evaporation Effects 0.000 claims abstract description 11
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 9
- 238000002955 isolation Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses a kind of high-precision temperature calibration test high-low temperature test chambers, including testing box main body, chamber body surfaces are provided with chamber chamber door, chamber chamber door surface is provided with windowpane, door handle is provided with below windowpane, chamber body interior is provided with blower, partition is provided on the left of blower, return air inlet is provided on partition, return air inlet is disposed through on partition, air outlet is provided with below return air inlet, having heaters is set beside blower, refrigerator is provided with beside heater, evaporation plate is provided with beside refrigerator, temperature sensor is provided with beside evaporation plate, isolation board side is provided with workspace, the isolation board other side is provided with temperature adjustment area.The utility model can be filtered the interference signal in signal by being provided with temperature adjustment area, the influence to exclude the interference signal；And this experiment new structure is simple and novel, air force is placed in the middle, and test space is made to reach the more good uniformity, improves the effect of test.
Description
Technical field
The utility model relates to a kind of high-low temperature test chamber, in particular to a kind of high-precision temperature calibration test high/low temperature examination
Tryoff belongs to high-low temperature test chamber technical field.
Background technique
With the fast development of scientific and technical economic trade, the space development of natural resources ocean and utilization, various products exist
The environment encountered in storage, transport and use process becomes increasingly complex, more and more harsher.From the torrid zone to frigid zone, from Plain to height
Original, from ocean to space etc., this allow for user and producer both sides be all concerned about product in above-mentioned environment performance, reliable
Property and safety, to guarantee that product can satisfactorily work, this just have to carry out environmental test.So-called environmental test, being exactly will
Product is exposed in natural environment or manual simulation's environment, to the storage that can actually encounter to them, transport and use item
Performance under part makes evaluation.By environmental test, the information in terms of designing quality and product quality can be provided, be that quality is protected
The important means of card.The representative products of environmental test equipment have salt spray test chamber, high-low temperature test chamber, constant temperature humidity chamber,
Ultraviolet aging test chamber, xenon lamp aging chamber, ozone box, baking oven etc., wherein high-low temperature test chamber is aviation, vapour
The test equipment of the fields such as vehicle, household electrical appliances, scientific research indispensability, for testing and determining that electrician, electronics and other products and material carry out
Parameter and performance after the temperature environment variation of high temperature, low temperature or constant test, and high-low temperature test chamber currently on the market,
Not high test temperature precision is a urgent problem to be solved.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of existing technologies, and provides a kind of high-precision temperature calibration
Test high-low temperature test chamber.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
The utility model provides a kind of high-precision temperature calibration test high-low temperature test chamber, including test box main body, described
Chamber body surfaces are provided with chamber chamber door, and chamber chamber door surface is provided with windowpane, the windowpane lower section
It is provided with door handle, the chamber body interior is provided with blower, is provided with partition on the left of the blower, sets on the partition
It is equipped with return air inlet, the return air inlet is disposed through on the partition, is provided with air outlet, the blower below the return air inlet
Having heaters is arranged in side, and refrigerator is provided with beside the heater, is provided with evaporation plate, the steaming beside the refrigerator
It is provided with temperature sensor beside hair plate, the isolation board side is provided with workspace, and the isolation board other side is provided with tune
Warm area, the temperature sensor are set in the temperature adjustment area, and A/D converter is provided in the temperature adjustment area, and the MCU passes through
First relay and heater are electrically connected, and the MCU is electrically connected by the second relay and refrigerator.
As a kind of optimal technical scheme of the utility model, it is provided with fixed plate below the blower, is set in fixed plate
It is equipped with through-hole, the through-hole and the air outlet face.
As a kind of optimal technical scheme of the utility model, the blower is multiple-piece centrifugal impeller.
As a kind of optimal technical scheme of the utility model, the temperature adjustment area is internally provided with frontend amplifying circuit, institute
It states frontend amplifying circuit and the A/D converter is electrically connected.
The utility model beneficial effect achieved is: the temperature adjustment area of the utility model setting can be to the interference in signal
Signal is filtered, and the influence to exclude the interference signal keeps temperature signal more stable, to improve temperature calibration system to temperature
The precision of control；Temperature adjustment area amplifies temperature signal by frontend amplifying circuit, so that single-chip microcontroller preferably receives temperature
Signal；This experiment new structure is simple and novel, and air force occupies operating room center, and test space is made to reach very good uniform
Degree, improves the effect of test.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the partial structural diagram of the utility model；
Fig. 3 is the connection relationship diagram of the utility model；
In figure: 1, testing box main body；2, chamber chamber door；3, windowpane；4, door handle；5, blower；6, heater；7, it makes
Cooler；8, evaporation plate；9, partition；10, air outlet；11, workspace；12, temperature adjustment area；13, return air inlet；14, temperature sensor；
15, A/D converter；16,MCU；17, the first relay；18 second relays.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment 1
As shown in Figure 1-3, the utility model provides a kind of high-precision temperature calibration test high-low temperature test chamber, including test
Box main body 1, test 1 surface of box main body are provided with chamber chamber door 2, and 2 surface of chamber chamber door is provided with windowpane 3, windowpane 3
Lower section is provided with door handle 4, and test box main body 1 is internally provided with blower 5, partition 9 is provided on the left of blower 5, is arranged on partition 9
There is return air inlet 13, return air inlet 13 is disposed through on the partition 9, and air outlet 10,5 side of blower are provided with below return air inlet 13
Having heaters 6 is set, is provided with refrigerator 7 beside heater 6, evaporation plate 8 is provided with beside refrigerator 7, is set beside evaporation plate 8
It is equipped with temperature sensor 14,9 side of isolation board is provided with workspace 11, and 9 other side of isolation board is provided with temperature adjustment area 12, and temperature passes
Sensor 14 is set in temperature adjustment area 12, and A/D converter 15 is provided in temperature adjustment area 12, and A/D converter 15 and MCU 16 electrically connects
It connects, MCU 16 is electrically connected by the first relay 17 with heater 6, and MCU 16 passes through the second relay 18 and 7 electricity of refrigerator
Property connection.
It is provided with fixed plate below blower 5, through-hole, through-hole and 10 face of air outlet are provided in fixed plate；Blower 5 is more
Chip centrifugal impeller, so that wind speed is more stable；Temperature adjustment area 12 is internally provided with frontend amplifying circuit, frontend amplifying circuit and A/
D converter 15 is electrically connected, and is facilitated filtering interference signal, is obtained more stable temperature signal.
Specifically, after being powered to chamber, blower 5, heater 6, refrigerator 7, evaporation plate 8 and temperature sensor 14
In running order, wind is sent into workspace 11 by the rotation of 5 impeller of blower, distinguished and admirable to pass through return air inlet 13 behind workspace 11
Into temperature adjustment area 12, be equipped with heater 6, refrigerator 7 and evaporation plate 8 in the temperature adjustment area 12, thus when it is distinguished and admirable by heater 6,
When refrigerator 7 and evaporation plate 8, pass through frontend amplifying circuit, A/D conversion circuit 15, the MCU 16 and inside temperature adjustment area 12
One relay 17 and the second relay 18 carry out temperature correction, last distinguished and admirable again by the feeding of blower 6 workspace 11, so recycle
Chamber can be made to reach required experimental condition.
The utility model beneficial effect achieved is: the temperature adjustment area of the utility model setting can be to the interference in signal
Signal is filtered, and the influence to exclude the interference signal keeps temperature signal more stable, to improve temperature calibration system to temperature
The precision of control；Temperature adjustment area amplifies temperature signal by frontend amplifying circuit, so that single-chip microcontroller preferably receives temperature
Signal；This experiment new structure is simple and novel, and air force occupies operating room center, and test space is made to reach very good uniform
Degree, improves the effect of test.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of high-precision temperature calibration test high-low temperature test chamber, including test box main body (1), which is characterized in that the examination
Tryoff main body (1) surface is provided with chamber chamber door (2), and chamber chamber door (2) surface is provided with windowpane (3), described
It is provided with door handle (4) below windowpane (3), the test box main body (1) is internally provided with blower (5), and the blower (5) is left
Side is provided with partition (9), is provided with return air inlet (13) on the partition (9), the return air inlet (13) be disposed through it is described every
It on plate (9), is provided with air outlet (10) below the return air inlet (13), having heaters (6) is set beside the blower (5), institute
It states and is provided with refrigerator (7) beside heater (6), is provided with evaporation plate (8) beside the refrigerator (7), the evaporation plate (8)
Side is provided with temperature sensor (14), and partition (9) side is provided with workspace (11), and partition (9) other side is set
It is equipped with temperature adjustment area (12), the temperature sensor (14) is set in the temperature adjustment area (12), setting in the temperature adjustment area (12)
Have A/D converter (15), the A/D converter (15) and MCU(16) electric connection, the MCU(16) pass through the first relay
(17) it is electrically connected with heater (6), the MCU(16) it is electrically connected by the second relay (18) and refrigerator (7).
2. a kind of high-precision temperature calibration test high-low temperature test chamber according to claim 1, which is characterized in that the wind
It is provided with fixed plate below machine (5), through-hole, the through-hole and the air outlet (10) face are provided in fixed plate.
3. a kind of high-precision temperature calibration test high-low temperature test chamber according to claim 1, which is characterized in that the wind
Machine (5) is multiple-piece centrifugal impeller.
4. a kind of high-precision temperature calibration test high-low temperature test chamber according to claim 1, which is characterized in that the tune
Warm area (12) is internally provided with frontend amplifying circuit, and the frontend amplifying circuit and the A/D converter (15) are electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100415.6U CN208449353U (en) | 2018-07-12 | 2018-07-12 | A kind of high-precision temperature calibration test high-low temperature test chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100415.6U CN208449353U (en) | 2018-07-12 | 2018-07-12 | A kind of high-precision temperature calibration test high-low temperature test chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208449353U true CN208449353U (en) | 2019-02-01 |
Family
ID=65170560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821100415.6U Expired - Fee Related CN208449353U (en) | 2018-07-12 | 2018-07-12 | A kind of high-precision temperature calibration test high-low temperature test chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208449353U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162121A (en) * | 2019-04-25 | 2019-08-23 | 北京工商大学 | Environmental control system and environmental chamber for environmental chamber |
| CN113433404A (en) * | 2021-06-04 | 2021-09-24 | 厦门特仪科技有限公司 | High-low temperature test system for touch screen |
-
2018
- 2018-07-12 CN CN201821100415.6U patent/CN208449353U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110162121A (en) * | 2019-04-25 | 2019-08-23 | 北京工商大学 | Environmental control system and environmental chamber for environmental chamber |
| CN110162121B (en) * | 2019-04-25 | 2021-04-06 | 北京工商大学 | Environmental control system for environmental chamber and environmental chamber |
| CN113433404A (en) * | 2021-06-04 | 2021-09-24 | 厦门特仪科技有限公司 | High-low temperature test system for touch screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 |