CN203433378U - Automatic humidity adjusting control system - Google Patents
Automatic humidity adjusting control system Download PDFInfo
- Publication number
- CN203433378U CN203433378U CN201320463488.2U CN201320463488U CN203433378U CN 203433378 U CN203433378 U CN 203433378U CN 201320463488 U CN201320463488 U CN 201320463488U CN 203433378 U CN203433378 U CN 203433378U
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- control system
- microprocessor
- humidity
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Abstract
The utility model discloses a humidity adjusting control system which can be used for reliable testing and is capable of matching test chambers with various standards. The automatic humidity adjusting control system comprises a center control module, a humidity sensor, a drying module and a humidification module; the center control module comprises a human-computer interface and a microprocessor; a first industrial timing switch is connected between the microprocessor and the drying module; a second industrial timing switch is connected between the microprocessor and the humidification module; the humidity sensor is placed in a test chamber and has one end connected to the microprocessor; the drying module and the humidification module are both in connection with a high low temperature test chamber; one end of the microprocessor is in connection with a power supply and the other end is in connection with the human-computer interface.
Description
Technical field
The utility model relates to a kind of for reliability testing, the humidity regulation control system that can mate with all kinds of code test casees.
Background technology
Reliability testing, it is defined as testing product under rated condition, completes the retainable time length of predetermined function, and the time, longer reliability was higher.Reliability testing originates from the standby industry of space national defence troops of Cold War period, along with the end of cold war, and the application of reliability testing, by space national defence, progressively expand to general civil use industry, industrial automation product, scientific instrument, medical equipment, auto industry, modern commerce application product.Especially industrial automation product, communication network, rapidly, function is complicated and changeable in development, and the chance that occurs to lose efficacy increases, and lengthen service time, and reliability has been proposed to further requirement.
Development along with reliability engineering, manufacturer both domestic and external all provides diversified standard testing chamber for customer selecting, these chamber costlinesses but function singleness, client is as being dried and humidity regulation test environment, must carry out the supporting integration of extra investment and long period, why each instrument factory commercial city does not have relevant scheme, is due to each manufacturer, to scrupulously abide by oneself product standard, and specification and control protocol are not quite similar.This has just caused current existing scheme to have no versatility, and the complicated specialty of Operation and Maintenance, drops into hugely, cause the Difficulty of moisture reliability check, and test atmosphere is dry not up to standard, can cause product reliability test percent of pass low.
Certificate authenticity to electronic product, the guarantee in analysis and use, none does not consider that environment affects product.The variation that wherein main and directly perceived index is exactly humiture, humidity can produce huge stress to electron device, and according to the statistics of USAF, the inefficacy of connector has 20% to be that moisture causes, during general electronic apparatus equipment damages, statistics has 35% to be that humidity increase is relevant.The humidity of simulated environment changes, the effect that test products causes these stress, and defect in testing product Production design, takes protection and preventive measure in time.
Well-known most of reliability testing chamber can provide wide in range temperature variation, can be to the control of humidity with regard to phoenix feathers and unicorn horns.So the reliability testing of humidity is the exclusive of laboratory for a long time always.At product manufacturing works end, be difficult to be undertaken by easy mode the verification test of mass, realize the batch of the moisture reliability of end product and entirely examine, improve the procedure for producing ability of self, meet the quality demand of development.
Summary of the invention
The utility model object is: a kind of humidity regulation control system that can mate with all kinds of code test casees is provided.
The technical solution of the utility model is: a kind of automatic humidity regulation and control system, it comprises middle control module, humidity sensor, irradiation modules, humidification module, described middle control module comprises man-machine interface and microprocessor, between described microprocessor and irradiation modules, be connected with the first industrial time switch, between described microprocessor and humidification module, be connected with the second industrial time switch, described humidity sensor is placed in high-low temperature test chamber, one end is connected on microprocessor, described irradiation modules, humidification module is all connected on high-low temperature test chamber, described microprocessor one end connects power supply, the other end is connected with man-machine interface.
Preferably, described irradiation modules comprises drying nitrogen passage and the first solenoid valve, and described the first solenoid valve is connected with the first industrial time switch.
Preferably, described humidification module comprises industrial water smoke passage and the second solenoid valve, and described the second solenoid valve is connected with the second industrial time switch.
Preferably, described humidity sensor is moisture probe.
Preferably, the reserved communication interface mating with standard high-low temperature test chamber of described system.
Preferably, described humidity sensor reads the humidity of high-low temperature test chamber in real time, and is recorded and shown by man-machine interface.
Preferably, described microprocessor is DT335 capture card.
The utility model has the advantages that:
1. native system is applicable to humidity control and the dry auto-adjustment control of equipment in all kinds of reliability testings, can mate and realize humidity adjusting function with all kinds of chambers, humidity in humidity sensor monitoring record chamber in real time changes, can manually to industrial time switch, carry out pre-programmed, also can to the moisture curve in chamber, carry out pre-programmed by middle control module, by programmed control electromagnetic valve switch, realize, can carry out complicated moisture curve.
2. the scheme that adopts native system collocation standard high-low temperature test chamber drops into than the scheme of existing warm and humid change chamber on simple buying market nearly 40% the project of having saved, for whole industrial application provide one efficient, low-cost and high-quality application system.
3. native system brushes dryly to environment in chamber with industrial drying nitrogen, and nitrogen drying cleaning can be blown down airborne steam fast, and is inert gas, can not make the components and parts of product produce oxidation and corrosion.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further described:
Fig. 1 is the structured flowchart of the utility model system.
Embodiment
Embodiment: after native system is connected by communication port with standard high-low temperature test chamber, can realizes the humidity in chamber is carried out to pre-programmed control, make the variation of humidity in chamber meet the change curve presetting.Its principle of work is as follows:
Scheme one:
Manual adjustments: in the situation that cannot carrying out computer programming, according to the moisture curve of setting, manually industrial time switch able to programme is programmed, described the first solenoid valve, the second solenoid valve are connected with the first industrial time switch, the second industrial time switch respectively, so the industrial time switch after pre-programmed can be controlled industrial water smoke passage, the switching of drying nitrogen passage on each stipulated time point.Process water atomizing spray in industry water smoke passage carries out humidification to surrounding air in tryoff, drying nitrogen passage adopts industrial drying nitrogen to brush dry to environment in chamber, nitrogen drying cleaning can be blown down airborne steam fast, and be inert gas, can not make the components and parts of product produce oxidation and corrosion.
In chamber, be provided with humidity sensor, read in real time the humidity in chamber, be transferred to DT335 capture card and carry out A/D conversion, man-machine interface records and shows data variation, data are saved in to database simultaneously, whole process records the service data of complete test experiments in the cycle, follows the tracks of and considers.
This scheme is applicable to better simply moisture curve and sets.
Scheme two:
Automatically regulate: according to the moisture curve of setting, in man-machine interface, carry out computer programming, system program is controlled the switching of the first solenoid valve, the second solenoid valve by microprocessor, the first industrial time switch now, the second industrial time switch, always in opening, do not exert an influence to the switching of solenoid valve.Humidity sensor in chamber reads the humidity in chamber in real time, being transferred to DT335 capture card carries out after A/D conversion, the real-time moisture curve forming feeds back to system program, system program compares this feedback profile and former setting moisture curve, according to difference, carry out again humidity regulation control, form a closed loop and control.
This scheme can be carried out complicated moisture curve.
The scheme that adopts native system collocation standard high-low temperature test chamber drops into than the scheme of the warm and humid change chamber of existing standard on simple buying market nearly 40% the project of having saved, be one efficient, low-cost and high-quality application system.
Certainly above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All modifications of doing according to the Spirit Essence of the utility model main technical schemes, within all should being encompassed in protection domain of the present utility model.
Claims (7)
1. an automatic humidity regulation and control system, it comprises middle control module, humidity sensor, irradiation modules, humidification module, it is characterized in that: described middle control module comprises man-machine interface and microprocessor, between described microprocessor and irradiation modules, be connected with the first industrial time switch, between described microprocessor and humidification module, be connected with the second industrial time switch, described humidity sensor is placed in high-low temperature test chamber, one end is connected on microprocessor, described irradiation modules, humidification module is all connected on high-low temperature test chamber, described microprocessor one end connects power supply, the other end is connected with man-machine interface.
2. automatic humidity regulation and control system according to claim 1, is characterized in that: described irradiation modules comprises drying nitrogen passage and the first solenoid valve, and described the first solenoid valve is connected with the first industrial time switch.
3. automatic humidity regulation and control system according to claim 1, is characterized in that: described humidification module comprises industrial water smoke passage and the second solenoid valve, and described the second solenoid valve is connected with the second industrial time switch.
4. automatic humidity regulation and control system according to claim 1, is characterized in that: described humidity sensor is moisture probe.
5. automatic humidity regulation and control system according to claim 1, is characterized in that: the reserved communication interface mating with standard high-low temperature test chamber of described system.
6. automatic humidity regulation and control system according to claim 1, is characterized in that: described humidity sensor reads the humidity of high-low temperature test chamber in real time, and is recorded and shown by man-machine interface.
7. automatic humidity regulation and control system according to claim 1, is characterized in that: described microprocessor is DT335 capture card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463488.2U CN203433378U (en) | 2013-07-31 | 2013-07-31 | Automatic humidity adjusting control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463488.2U CN203433378U (en) | 2013-07-31 | 2013-07-31 | Automatic humidity adjusting control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203433378U true CN203433378U (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320463488.2U Expired - Fee Related CN203433378U (en) | 2013-07-31 | 2013-07-31 | Automatic humidity adjusting control system |
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| Country | Link |
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| CN (1) | CN203433378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904907A (en) * | 2021-01-18 | 2021-06-04 | 干将新材料有限公司 | Humidity control device for desiccant product detection |
-
2013
- 2013-07-31 CN CN201320463488.2U patent/CN203433378U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112904907A (en) * | 2021-01-18 | 2021-06-04 | 干将新材料有限公司 | Humidity control device for desiccant product detection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20170731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |