CN207082036U - A kind of household electrical appliances testing laboratory temperature and humidity regimes - Google Patents
A kind of household electrical appliances testing laboratory temperature and humidity regimes Download PDFInfo
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- CN207082036U CN207082036U CN201720600673.XU CN201720600673U CN207082036U CN 207082036 U CN207082036 U CN 207082036U CN 201720600673 U CN201720600673 U CN 201720600673U CN 207082036 U CN207082036 U CN 207082036U
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- 238000012360 testing method Methods 0.000 title claims abstract description 31
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 239000000523 sample Substances 0.000 claims 1
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model is related to a kind of household electrical appliances testing laboratory temperature and humidity regimes, including control module and be connected respectively with control module temperature-adjusting device, humidity control apparatus, acquisition module, input/output module.The utility model uses single-chip microcomputer as control module, single-chip microcomputer progress data processing is passed to after the Laboratory Temperature humidity of Temperature Humidity Sensor collection is carried out into analog-to-digital conversion and shows real time data, when the Laboratory Temperature humidity collected exceeds limit value set in advance, buzzer warning, while MCU driving temperature and humidity adjusting means carries out corresponding humiture processing.The system can rationally control the humiture in laboratory, to meet requirement as defined in standard, reduce unnecessary expenditures, error caused by reducing testing staff's workload that the phase is expended in management and control environmental condition before testing and artificial regulatory simultaneously, realize the temperature and humidity control system high efficiency, low cost demand of small household appliances testing laboratory.
Description
Technical field
Temperature and humidity control system is the utility model is related to, more particularly to a kind of household electrical appliances test experience room temperature humidity automatically controls
System.
Background technology
Household appliances sample presentation sample carries out test need to be in strict accordance with national standard, to the warm and humid of laboratory in most of national standard
The basic environment parameter such as degree, atmospheric pressure has clear and definite prescribed limit, such as GB/T17626.2-2006《EMC test and
E measurement technology esd immunity is tested》" 8.1.1 weather conditions " in regulation " atmospherical discharges test in the case of, gas
Time condition should be in following ranges：Environment temperature：15 DEG C~35 DEG C, relative humidity：30%~60% ".By the warm and humid of laboratory
Degree be maintained within prescribed limit be household electrical appliances test laboratory a common problem, in general household electrical appliances test laboratory generally adopts
Indoor temperature and humidity is adjusted with air conditioner etc., temperature adjustment is acted on comparatively fast, but its temperature adjusting range is smaller, to humidity regulation
Act on poor, especially winter temperature is too low, summer temp is too high temperature adjustment usually occurs for up to a few hours and temperature
Kept for the problem of difficult；It is difficult that indoor relative humidity is greatly reduced in the short time and plum rain season humidity reaches more than 70%.Cause
This, the artificial climate environmental control system that some accurate laboratories use, can simulate a variety of outdoor weather conditions and energy is right
Indoor parameter index is accurately tested, so as to the structural behaviour index for various indoor environments of analyzing and researching.The system energy
To air-conditioning system, ambient parameter (including：Wind speed, temperature, humidity etc.) monitoring and to the equipment in system (in such as refrigeration system
Each blower fan, electrically operated gate etc.) control it is chain and air-conditioner set, refrigeration unit dispatch control system carry out integral traffic control.
Above-mentioned artificial climate environmental laboratory is establishing cost and follow-up corrective maintenance cost is high, although can realize
Function it is more, but many requirement of the small-size laboratory for environment are only that whether humiture can reach standard requirement, and are not required to
So many and accurately function is wanted, is placed on the waste that common lab easily causes manpower, material resources and financial resources.
Utility model content
The utility model is directed to the deficiency of existing household electrical appliances testing laboratory temperature and humidity control system, there is provided a kind of household electrical appliances
Testing laboratory's temperature and humidity regimes, using single-chip microcomputer, Temperature Humidity Sensor, liquid crystal display, buzzer and add
Heat drop temperature humidification dehydrating unit automatically controls to realize to Laboratory Temperature humidity, has so that the humiture in laboratory can be stablized
Effect meets to require as defined in standard, reduces unnecessary expenditures, while reduces testing staff the phase is expended in management and control before testing
Error caused by workload and artificial regulatory in environmental condition, realize the Temperature and Humidity Control of small household appliances testing laboratory
System high efficiency low cost demand.
The utility model is achieved through the following technical solutions：
A kind of household electrical appliances testing laboratory temperature and humidity regimes, including control module and be connected respectively with control module
Temperature-adjusting device, humidity control apparatus, acquisition module, input/output module, the control module is single-chip microcomputer, described to adopt
Integrate module as Temperature Humidity Sensor, the input/output module includes control panel and buzzer, is set on the control panel
There is liquid crystal display.
The Temperature Humidity Sensor includes a resistance-type humidity sensing element and a NTC temperature element.
It is provided between the Temperature Humidity Sensor power pins to decouple the 100nF electric capacity of filtering.
The Temperature Humidity Sensor is connected with single-chip microcomputer by one wire system serial line interface.
Be provided with the control panel switch, temperature+, temperature-, humidity+, humidity-, mute button.
The liquid crystal display is TN, STN, CSTN, FSTN display screen, and 4 rows are shown, often row shows 16 characters.
Compared with existing scheme, the utility model uses single-chip microcomputer as control module, by Temperature Humidity Sensor collection
Laboratory Temperature humidity is passed to single-chip microcomputer progress data processing after carrying out analog-to-digital conversion, and real time data is shown on a liquid crystal display,
When the Laboratory Temperature humidity collected exceeds limit value set in advance, buzzer warning, while MCU driving temperature
Corresponding humiture processing is carried out with humidity control apparatus.The system can rationally control the humiture in laboratory, to meet standard
Defined requirement, reduce unnecessary expenditures, while reduce testing staff before testing the phase expend in management and control environmental condition
Error caused by workload and artificial regulatory, realize small household appliances testing laboratory temperature and humidity control system efficiently it is low into
This demand.
Brief description of the drawings
Fig. 1 is a kind of household electrical appliances testing laboratory temperature and humidity regimes structural representation of the present utility model；
Fig. 2 is household electrical appliances test experience room temperature humidity autocontrol method workflow schematic diagram of the present utility model；
Fig. 3 is household electrical appliances test experience room temperature humidity autocontrol method temperature control flow figure of the present utility model.
Embodiment
The technical solution of the utility model is elaborated with reference to embodiments.
As shown in figure 1, household electrical appliances testing laboratory of the present utility model temperature and humidity regimes, control module and difference
The temperature-adjusting device that is attached thereto, humidity control apparatus, acquisition module, input/output module.Control module is STC89C52
Single-chip microcomputer；Acquisition module is DHT11 Temperature Humidity Sensors, including a resistance-type humidity sensing element and a NTC temperature element；Temperature
100nF electric capacity is provided between humidity sensor power pins to decouple filtering, is connected with single-chip microcomputer by one wire system serial line interface；
Input/output module includes control panel and buzzer, be provided with control panel switch, temperature+, temperature-, humidity+, it is wet
Degree-, mute button and liquid crystal display, liquid crystal display TN, STN, CSTN, FSTN display screen, 4 rows show, it is often capable to show
Show 16 characters.
In use, started shooting by control panel upper switch button system；By temperature on control panel+, temperature-and humidity
+, the upper limit and lower limit of humidity-button settings environment temperature and relative humidity；Pass through the row display environment temperature of liquid crystal display the 1st
The upper limit and lower limit are set, the 2nd row shows the relative humidity set upper limit and lower limit；It is real-time that laboratory is gathered by Temperature Humidity Sensor
Environment temperature and relative humidity data；Environment temperature will be gathered and relative humidity data carries out analog-to-digital conversion, be sent to control mould
Block；Data Analysis Services are carried out by control module, control temperature-adjusting device and humidity control apparatus to environment temperature and phase
Humidity is adjusted：If real time environment temperature and relative humidity data not set environment temperature and relative humidity the upper limit and
In lower limit, environment temperature and relative humidity are adjusted for buzzer warning, temperature-adjusting device and humidity control apparatus startup,
If real time environment temperature and relative humidity data are in the upper limit and lower limit of set environment temperature and relative humidity, buzzer is not
Alarm, temperature-adjusting device and humidity control apparatus start environment temperature and regulation of relative humidity to set environment temperature and phase
The intermediate value of the upper limit and lower limit to humidity；Real time environment temperature data is shown by the row of liquid crystal display the 3rd, the display of the 4th row is in fact
When relative humidity data；Shut down by control panel upper switch button system.
Claims (6)
- A kind of 1. household electrical appliances testing laboratory temperature and humidity regimes, it is characterised in that：Including control module and respectively with control The connected temperature-adjusting device of molding block, humidity control apparatus, acquisition module, input/output module, the control module are single Piece machine, the acquisition module are Temperature Humidity Sensor, and the input/output module includes control panel and buzzer, the control Liquid crystal display is provided with panel.
- 2. household electrical appliances testing laboratory temperature and humidity regimes according to claim 1, it is characterised in that：The humiture Sensor includes a resistance-type humidity sensing element and a NTC temperature element.
- 3. household electrical appliances testing laboratory temperature and humidity regimes according to claim 1, it is characterised in that：The humiture It is provided between probe power pin to decouple the 100nF electric capacity of filtering.
- 4. household electrical appliances testing laboratory temperature and humidity regimes according to claim 1, it is characterised in that：The humiture Sensor is connected with single-chip microcomputer by one wire system serial line interface.
- 5. household electrical appliances testing laboratory temperature and humidity regimes according to claim 1, it is characterised in that：The chain of command Be provided with plate switch, temperature+, temperature-, humidity+, humidity-, mute button.
- 6. household electrical appliances testing laboratory temperature and humidity regimes according to claim 1, it is characterised in that：The liquid crystal It is TN, STN, CSTN, FSTN display screen to show device, and 4 rows are shown, often row shows 16 characters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600673.XU CN207082036U (en) | 2017-05-26 | 2017-05-26 | A kind of household electrical appliances testing laboratory temperature and humidity regimes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720600673.XU CN207082036U (en) | 2017-05-26 | 2017-05-26 | A kind of household electrical appliances testing laboratory temperature and humidity regimes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207082036U true CN207082036U (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720600673.XU Active CN207082036U (en) | 2017-05-26 | 2017-05-26 | A kind of household electrical appliances testing laboratory temperature and humidity regimes |
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| Country | Link |
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| CN (1) | CN207082036U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061306A (en) * | 2018-08-27 | 2018-12-21 | 雅致精密工业（深圳）有限公司 | A kind of detection system of adjustable temperature and humidity |
| CN109460092A (en) * | 2018-08-11 | 2019-03-12 | 西华大学 | Device parameter control system and method in a kind of streptonigrin compound extraction process |
| CN110108320A (en) * | 2018-05-08 | 2019-08-09 | 国网湖南省电力有限公司 | Temperature and humidity calibration equipment and its method of calibration and heating moisture separating device |
| CN111413658A (en) * | 2020-04-07 | 2020-07-14 | 广东电网有限责任公司 | Electric energy meter field operation environment simulation system and simulation method thereof |
-
2017
- 2017-05-26 CN CN201720600673.XU patent/CN207082036U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110108320A (en) * | 2018-05-08 | 2019-08-09 | 国网湖南省电力有限公司 | Temperature and humidity calibration equipment and its method of calibration and heating moisture separating device |
| CN109460092A (en) * | 2018-08-11 | 2019-03-12 | 西华大学 | Device parameter control system and method in a kind of streptonigrin compound extraction process |
| CN109061306A (en) * | 2018-08-27 | 2018-12-21 | 雅致精密工业（深圳）有限公司 | A kind of detection system of adjustable temperature and humidity |
| CN111413658A (en) * | 2020-04-07 | 2020-07-14 | 广东电网有限责任公司 | Electric energy meter field operation environment simulation system and simulation method thereof |
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