CN105425852A - Microenvironment purifying and humidity regulating device with fault self-diagnosis function and method thereof - Google Patents
Microenvironment purifying and humidity regulating device with fault self-diagnosis function and method thereof Download PDFInfo
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- CN105425852A CN105425852A CN201510989537.XA CN201510989537A CN105425852A CN 105425852 A CN105425852 A CN 105425852A CN 201510989537 A CN201510989537 A CN 201510989537A CN 105425852 A CN105425852 A CN 105425852A
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- G—PHYSICS
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
- G05D22/02—Control of humidity characterised by the use of electric means
Abstract
The invention discloses a microenvironment purifying and humidity regulating device with a fault self-diagnosis function and a method thereof. The microenvironment purifying and humidity regulating device comprises a microenvironment temperature and humidity detection circuit, an external microenvironment temperature detection circuit, an external microenvironment humidity detection circuit, an organic pollutant concentration detection circuit, an inorganic pollutant concentration detection circuit, a sulfurous pollutant concentration detection circuit, a platinum resistance temperature sensor input circuit, a liquid level measurement input circuit, a blower rotating speed measurement input circuit, an AD conversion circuit, a single-chip microcomputer, an EEPROM memory, an RS232 communication interface and a wireless communication module. The microenvironment purifying and humidity regulating device with the fault self-diagnosis function can be used for environmental purification and humidity regulation processing of museum center exhibition cabinets, wall-hung cabinets and museum dense storage cabinets for cultural relics so as to maintain preservation environment for the cultural relics to be clean and stable. Meanwhile, the microenvironment purifying and humidity regulating device with the fault self-diagnosis function can also provide the equipment fault self-diagnosis function for system monitoring personnel and maintenance personnel so as to perform targeted maintenance and enhance product service.
Description
Technical field
The present invention relates to non-maintaining microenvironment purification and humidity regulator, be specifically related to a kind of non-maintaining microenvironment purification and humidity regulator with fault self-diagnosis function and method.
Background technology
In cultural relics in the collection of cultural institution Conservation environment, temperature and humidity is the basis of all research work, and they are two pacing itemss directly or indirectly affecting all physics of historical relic, chemistry, biological agent.Wherein humidity regulation is particularly important for cultural relic conservation.Humidity can be divided into physical damage, chemical depletion and biological damage to the failure mechanism of historical relic.
The physical damage of humidity to historical relic shows as: during humidity height, the organic material stronger for hydroscopicity or have cyto-architectural historical relic to absorb outside moisture and volumetric expansion occurs; When humidity is low, Cucumber will dewater and lose district's moisture, causes historical relic dry and cracked, material embrittlement etc.
The chemical depletion of humidity to historical relic shows as: because water can be attached to the surface of most of material, or invades the inside of moieties.Water is a kind of polar solvent preferably, and the acidic materials in soluble air, accelerate metallics corrosion, and cause fabric, papery thing etc. to fade or variable color; When humidity is higher, photochemical reaction speed in environment can also be accelerated.
Although temperature also has very important impact for the preservation of historical relic, but for cultural relic conservation microenvironment, the temperature of microenvironment inside has the environment of its outside to determine, microenvironment internal temperature independently can not exist independent of external environment, so this task does not propose to carry out special regulation and control to cultural relic conservation microenvironment.But when carrying out humidity regulation to microenvironment, when particularly dehumidification operation being carried out by the means of refrigeration, circulation to microenvironment, the temperature of air can be affected, so the impact of this process on microenvironment temperature must be considered.
Biological corrosion forms main harm, danger for cultural relic conservation equally, particularly due to the historical relic that those are made up of organism such as protein, dyestuff, fibers, himself is the nutriment that microorganism depends on for existence.Relative in air/absolute humidity is most important for the survival volume of carrying microbe in air.Its humidity adapted to most of different microorganisms is different, and generally speaking, humidity is higher is applicable to microorganism growth.
On the other hand, pollutant in museum's collection microenvironment is as particulate pollutant, microorgranic contaminant, and gaseous contaminant is also fairly obvious to the destruction of historical relic, and the wide material sources of these pollutants, as showcase (storage cabinet etc.) museum environment outside with it carries out air exchange, the gas etc. that the material of showcase (storage cabinet etc.) discharges.These pollutants all can affect the preservation of historical relic.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of non-maintaining microenvironment purification and humidity regulator with fault self-diagnosis function and method are provided.
For solving above-mentioned technical matters, the present invention by the following technical solutions:
With a microenvironment purification and humidity regulator for fault self-diagnosis function, comprise microenvironment Temperature and Humidity circuit, external microenvironment temperature sensing circuit, external microenvironment humidity measuring circuit, organic contaminant Concentration Testing circuit, inorganic pollutant Concentration Testing circuit, sulfurous pollutants Concentration Testing circuit, platinum resistance temperature sensor input circuit, level gauging input circuit, measurement of fan speed input circuit, A/D convertor circuit, single-chip microcomputer, eeprom memory, RS232 communication interface and wireless communication module; Described microenvironment Temperature and Humidity circuit, external microenvironment temperature sensing circuit, external microenvironment humidity measuring circuit, organic contaminant Concentration Testing circuit, inorganic pollutant Concentration Testing circuit, sulfurous pollutants Concentration Testing circuit, platinum resistance temperature sensor input circuit are connected with described A/D convertor circuit respectively; Described A/D convertor circuit is connected with described single-chip microcomputer; Described level gauging input circuit, measurement of fan speed input circuit, eeprom memory, RS232 communication interface are connected with described single-chip microcomputer respectively with wireless communication module.
Further technical scheme also comprises photoisolator, and described A/D convertor circuit is connected with described single-chip microcomputer by described photoisolator; Described level gauging input circuit, measurement of fan speed input circuit are connected with described single-chip microcomputer by described photoisolator.
Further technical scheme is that platinum resistance temperature sensor input circuit comprises: heat sink temperature sensor input circuit, desiccant cooling sheet temperature sensor input circuit, water intaking cooling piece temperature sensor input circuit and housing temperature sensor input circuit.
Further technical scheme is that measurement of fan speed input circuit comprises: Inner eycle measurement of fan speed input circuit, outer circulation measurement of fan speed input circuit and purification fan tachometric survey input circuit.
Further technical scheme is that wireless communication module is connected to monitoring system software platform.
Further technical scheme is to provide a kind of microenvironment purification and humidity regulator fault self-diagnosis method, and described method comprises the following steps:
Humidification function fault self-diagnosis
During system cloud gray model, when microenvironment humidity sensor or external microenvironment humidity sensor detect humidity value lower than default value, start humidification water pump, Inner eycle blower fan, start normally to carry out microenvironment humidification function; Detect buffer memory high water tank, Inner eycle rotation speed of fan simultaneously;
Dehumidification function fault self-diagnosis
During system cloud gray model, when microenvironment humidity sensor or external microenvironment humidity sensor detect humidity value higher than default value, system starts desiccant cooling sheet, the work of Inner eycle blower fan, and system starts normally to carry out microenvironment dehumidification function; Detect desiccant cooling sheet temperature, buffer memory high water tank, Inner eycle rotation speed of fan simultaneously;
Purification function fault self-diagnosis
During system cloud gray model, when one of microenvironment organic contaminant, inorganic pollutant, sulfurous pollutants three kinds of gas concentration sensors detect microenvironment dusty gas concentration value higher than default value, system starts purification fan, detects purification fan rotating speed simultaneously, and system starts purification function; When three kinds of sensor concentration are all lower than setting value, stop purification function.
Further technical scheme is in humidification function fault self-diagnosis step,
When liquid level is within the scope of setting value ± return difference, humidification function normally runs;
When Inner eycle rotation speed of fan is too low or close, system carries out device failure alert;
When liquid level is lower than setting value-return difference, system starts the work of water intaking cooling piece, starts outer circulation blower fan; Detect liquid level, water intaking cooling piece temperature, outer circulation rotation speed of fan simultaneously;
When liquid level is prescribed a time limit higher than in setting value, system carries out liquid level overload alarm;
Under liquid level is lower than setting value in limited time, system carries out device failure alert, stops humidification function.
Further technical scheme is in dehumidification function fault self-diagnosis step,
When Inner eycle rotation speed of fan is too low or close, system carries out device failure alert;
When liquid level is within the scope of setting value ± return difference, dehumidification function normally runs;
When liquid level exceedes setting value+return difference, system starts draining water pump, outer circulation blower fan; Detect outer circulation rotation speed of fan, outer circulation rotation speed of fan is too low or when closing, system carries out device failure alert simultaneously; When liquid level is prescribed a time limit higher than in setting value, system carries out liquid level overload alarm, and outer circulation rotation speed of fan is too low or when closing, system carries out device failure alert, and system stops dehumidification function.
Further technical scheme is in humidification function fault self-diagnosis step,
During the work of water intaking cooling piece, outer circulation rotation speed of fan is too low or when closing, cooling piece temperature can not carry out device failure alert lower than system during dewpoint temperature; In described purification function fault self-diagnosis step, when purification fan rotating speed is too low or be in closed condition, system carries out device failure alert.
Further technical scheme also comprises: external organic pollutants, inorganic pollutant, sulfurous pollutants three kinds of gas concentration sensors, normal output current is 4 ~ 20mA, when electric current is less than 4mA, system judges sensor fault by diagnostic routine, system carries out device failure alert, system adopts the start by set date of setting in advance, stops the clarification time, has continued purification function step.
Compared with prior art, the invention has the beneficial effects as follows: embodiments of the invention can be used for for center, museum showcase with the non-maintaining microenvironment purification and humidity regulator of fault self-diagnosis function, wall cabinet and the intensive storage cabinet of Cultural relics in museum provide the depollution of environment, conditioning, keep style evolvement clean, stable.The present invention simultaneously also can be system monitoring personnel and maintenance personal provides equipment failure self-diagnostic function, carries out autotelic maintenance, improves the service of product.
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of one embodiment of the invention.
Embodiment
All features disclosed in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
Arbitrary feature disclosed in this instructions (comprising any accessory claim, summary and accompanying drawing), unless specifically stated otherwise, all can be replaced by other equivalences or the alternative features with similar object.That is, unless specifically stated otherwise, each feature is an example in a series of equivalence or similar characteristics.
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in detail.
Embodiment 1
As shown in Figure 1, according to one embodiment of present invention, the present embodiment discloses a kind of non-maintaining microenvironment purification and humidity regulator with fault self-diagnosis function, it comprises microenvironment Temperature and Humidity circuit, external microenvironment temperature sensing circuit, external microenvironment humidity measuring circuit, organic contaminant Concentration Testing circuit, inorganic pollutant Concentration Testing circuit, sulfurous pollutants Concentration Testing circuit, platinum resistance temperature sensor input circuit, level gauging input circuit, measurement of fan speed input circuit, A/D convertor circuit, single-chip microcomputer, eeprom memory, RS232 communication interface and wireless communication module, described microenvironment Temperature and Humidity circuit, external microenvironment temperature sensing circuit, external microenvironment humidity measuring circuit, organic contaminant Concentration Testing circuit, inorganic pollutant Concentration Testing circuit, sulfurous pollutants Concentration Testing circuit, platinum resistance temperature sensor input circuit are connected with described A/D convertor circuit respectively, described A/D convertor circuit is connected with described single-chip microcomputer, described level gauging input circuit, measurement of fan speed input circuit, eeprom memory, RS232 communication interface are connected with described single-chip microcomputer respectively with wireless communication module.
Preferably, the present embodiment also comprises photoisolator, and described A/D convertor circuit is connected with described single-chip microcomputer by described photoisolator; Described level gauging input circuit, measurement of fan speed input circuit are connected with described single-chip microcomputer by described photoisolator.Concrete, platinum resistance temperature sensor input circuit comprises: heat sink temperature sensor input circuit, desiccant cooling sheet temperature sensor input circuit, water intaking cooling piece temperature sensor input circuit and housing temperature sensor input circuit.Heat sink temperature sensor input circuit, desiccant cooling sheet temperature sensor input circuit, water intaking cooling piece temperature sensor input circuit are connected with single-chip microcomputer with photoisolator by A/D convertor circuit with housing temperature sensor input circuit.
Further, measurement of fan speed input circuit comprises: Inner eycle measurement of fan speed input circuit, outer circulation measurement of fan speed input circuit and purification fan tachometric survey input circuit.Inner eycle measurement of fan speed input circuit, outer circulation measurement of fan speed input circuit are connected with single-chip microcomputer by photoisolator with purification fan tachometric survey input circuit.
Detected by above-mentioned parameter, in conjunction with scm software programming, realize fault self-diagnosis function.Carry out wireless networking by Zigeeb wireless communication module, data transfer to monitoring system software platform, are programmed by system software, can realize Remote Fault Diagnosis function.
Monitoring personnel can notify maintenance personal in time according to overload alarm and fault-alarming state, system also can notify maintenance personal by forms such as monitoring system software platform note, mails automatically, maintenance personal according to warning or fault data, can carry out autotelic specific aim maintenance.
The present embodiment with the ultimate principle of the fault self-diagnosis of the non-maintaining microenvironment purification and humidity regulator of fault self-diagnosis function is:
When microenvironment purification and humidity regulator normally runs, microprocessor detect control module, according to the microenvironment humiture detected, the damping of pollutant levels opertaing device, purification function, starts corresponding equipment, microprocessor detect control module detects desiccant cooling sheet temperature simultaneously, water intaking cooling piece temperature, cabinet inside temperature, heatsink temperature, buffer memory high water tank, Inner eycle rotation speed of fan, outer circulation rotation speed of fan, purification fan rotating speed, the data that these parameters are stored in EEPROM by Single Chip Microcomputer (SCM) program and setting compare, judge, when data exceed the bound of setting value, system carries out overload alarm and device failure alert prompting, maintenance personal is by certain running program, read and report to the police or fault data, just autotelic maintenance can be carried out to microenvironment purification damping machine.
Embodiment 2
According to another embodiment of the invention, the present embodiment discloses a kind of non-maintaining microenvironment purification and humidity regulator fault self-diagnosis method, and the method comprises the following steps:
Humidification function fault self-diagnosis
During system cloud gray model, when microenvironment humidity sensor or external microenvironment humidity sensor detect humidity value lower than default value, start humidification water pump, Inner eycle blower fan, start normally to carry out microenvironment humidification function; Detect buffer memory high water tank, Inner eycle rotation speed of fan simultaneously.
When liquid level is within the scope of setting value ± return difference, humidification function normally runs;
When Inner eycle rotation speed of fan is too low or close, system carries out device failure alert;
When liquid level is lower than setting value-return difference, system starts the work of water intaking cooling piece, starts outer circulation blower fan; Detect liquid level, water intaking cooling piece temperature, outer circulation rotation speed of fan simultaneously;
When liquid level is prescribed a time limit higher than in setting value, system carries out liquid level overload alarm;
Under liquid level is lower than setting value in limited time, system carries out device failure alert, stops humidification function;
During the work of water intaking cooling piece, outer circulation rotation speed of fan is too low or when closing, cooling piece temperature can not carry out device failure alert lower than system during dewpoint temperature.
Dehumidification function fault self-diagnosis
During system cloud gray model, when microenvironment humidity sensor or external microenvironment humidity sensor detect humidity value higher than default value, system starts desiccant cooling sheet, the work of Inner eycle blower fan, and system starts normally to carry out microenvironment dehumidification function; Detect desiccant cooling sheet temperature, buffer memory high water tank, Inner eycle rotation speed of fan simultaneously.
When Inner eycle rotation speed of fan is too low or close, system carries out device failure alert;
When liquid level is within the scope of setting value ± return difference, dehumidification function normally runs;
When liquid level exceedes setting value+return difference, system starts draining water pump, outer circulation blower fan; Detect outer circulation rotation speed of fan, outer circulation rotation speed of fan is too low or when closing, system carries out device failure alert simultaneously;
When liquid level is prescribed a time limit higher than in setting value, system carries out liquid level overload alarm, and outer circulation rotation speed of fan is too low or when closing, system carries out device failure alert, and system stops dehumidification function.
Purification function fault self-diagnosis
During system cloud gray model, when one of microenvironment organic contaminant, inorganic pollutant, sulfurous pollutants three kinds of gas concentration sensors detect microenvironment dusty gas concentration value higher than default value, system starts purification fan, detects purification fan rotating speed simultaneously, and system starts purification function; When three kinds of sensor concentration are all lower than setting value, stop purification function.
When purification fan rotating speed is too low or be in closed condition, system carries out device failure alert.
External organic pollutants, inorganic pollutant, sulfurous pollutants three kinds of gas concentration sensors, normal output current is 4 ~ 20mA, when electric current is less than 4mA, sensor fault is judged by diagnostic routine, system carries out device failure alert, maintenance personal can carry out specific aim maintenance according to failure message, adopts the start by set date of setting in advance simultaneously, stops the clarification time, continued purification function.
Spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any one embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to the multiple explanatory embodiment of inventing, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of the open claim of the application, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (10)
1. with a microenvironment purification and humidity regulator for fault self-diagnosis function, it is characterized in that: comprise microenvironment Temperature and Humidity circuit, external microenvironment temperature sensing circuit, external microenvironment humidity measuring circuit, organic contaminant Concentration Testing circuit, inorganic pollutant Concentration Testing circuit, sulfurous pollutants Concentration Testing circuit, platinum resistance temperature sensor input circuit, level gauging input circuit, measurement of fan speed input circuit, A/D convertor circuit, single-chip microcomputer, eeprom memory, RS232 communication interface and wireless communication module; Described microenvironment Temperature and Humidity circuit, external microenvironment temperature sensing circuit, external microenvironment humidity measuring circuit, organic contaminant Concentration Testing circuit, inorganic pollutant Concentration Testing circuit, sulfurous pollutants Concentration Testing circuit, platinum resistance temperature sensor input circuit are connected with described A/D convertor circuit respectively; Described A/D convertor circuit is connected with described single-chip microcomputer; Described level gauging input circuit, measurement of fan speed input circuit, eeprom memory, RS232 communication interface are connected with described single-chip microcomputer respectively with wireless communication module.
2. the microenvironment purification and humidity regulator with fault self-diagnosis function according to claim 1, characterized by further comprising photoisolator, and described A/D convertor circuit is connected with described single-chip microcomputer by described photoisolator; Described level gauging input circuit, measurement of fan speed input circuit are connected with described single-chip microcomputer by described photoisolator.
3. the microenvironment purification and humidity regulator with fault self-diagnosis function according to claim 1, is characterized in that described platinum resistance temperature sensor input circuit comprises: heat sink temperature sensor input circuit, desiccant cooling sheet temperature sensor input circuit, water intaking cooling piece temperature sensor input circuit and housing temperature sensor input circuit.
4. the microenvironment purification and humidity regulator with fault self-diagnosis function according to claim 1, is characterized in that described measurement of fan speed input circuit comprises: Inner eycle measurement of fan speed input circuit, outer circulation measurement of fan speed input circuit and purification fan tachometric survey input circuit.
5. the microenvironment purification and humidity regulator with fault self-diagnosis function according to claim 1, is characterized in that described wireless communication module is connected to monitoring system software platform.
6. a microenvironment purification and humidity regulator fault self-diagnosis method, is characterized in that described method comprises the following steps:
Humidification function fault self-diagnosis
During system cloud gray model, when microenvironment humidity sensor or external microenvironment humidity sensor detect humidity value lower than default value, start humidification water pump, Inner eycle blower fan, start normally to carry out microenvironment humidification function; Detect buffer memory high water tank, Inner eycle rotation speed of fan simultaneously;
Dehumidification function fault self-diagnosis
During system cloud gray model, when microenvironment humidity sensor or external microenvironment humidity sensor detect humidity value higher than default value, system starts desiccant cooling sheet, the work of Inner eycle blower fan, and system starts normally to carry out microenvironment dehumidification function; Detect desiccant cooling sheet temperature, buffer memory high water tank, Inner eycle rotation speed of fan simultaneously;
Purification function fault self-diagnosis
During system cloud gray model, when one of microenvironment organic contaminant, inorganic pollutant, sulfurous pollutants three kinds of gas concentration sensors detect microenvironment dusty gas concentration value higher than default value, system starts purification fan, detects purification fan rotating speed simultaneously, and system starts purification function; When three kinds of sensor concentration are all lower than setting value, stop purification function.
7. microenvironment purification and humidity regulator fault self-diagnosis method according to claim 6, is characterized in that in described humidification function fault self-diagnosis step,
When liquid level is within the scope of setting value ± return difference, humidification function normally runs;
When Inner eycle rotation speed of fan is too low or close, system carries out device failure alert;
When liquid level is lower than setting value-return difference, system starts the work of water intaking cooling piece, starts outer circulation blower fan;
Detect liquid level, water intaking cooling piece temperature, outer circulation rotation speed of fan simultaneously;
When liquid level is prescribed a time limit higher than in setting value, system carries out liquid level overload alarm;
Under liquid level is lower than setting value in limited time, system carries out device failure alert, stops humidification function.
8. microenvironment purification and humidity regulator fault self-diagnosis method according to claim 6, is characterized in that in described dehumidification function fault self-diagnosis step,
When Inner eycle rotation speed of fan is too low or close, system carries out device failure alert;
When liquid level is within the scope of setting value ± return difference, dehumidification function normally runs;
When liquid level exceedes setting value+return difference, system starts draining water pump, outer circulation blower fan; Detect outer circulation rotation speed of fan, outer circulation rotation speed of fan is too low or when closing, system carries out device failure alert simultaneously;
When liquid level is prescribed a time limit higher than in setting value, system carries out liquid level overload alarm, and outer circulation rotation speed of fan is too low or when closing, system carries out device failure alert, and system stops dehumidification function.
9. the microenvironment purification and humidity regulator fault self-diagnosis method according to claim 6 or 7, is characterized in that in described humidification function fault self-diagnosis step,
During the work of water intaking cooling piece, outer circulation rotation speed of fan is too low or when closing, cooling piece temperature can not carry out device failure alert lower than system during dewpoint temperature; In described purification function fault self-diagnosis step, when purification fan rotating speed is too low or be in closed condition, system carries out device failure alert.
10. microenvironment purification and humidity regulator fault self-diagnosis method according to claim 6, characterized by further comprising: external organic pollutants, inorganic pollutant, sulfurous pollutants three kinds of gas concentration sensors, normal output current is 4 ~ 20mA, when electric current is less than 4mA, system judges sensor fault by diagnostic routine, system carries out device failure alert, and system adopts the start by set date of setting in advance, stops the clarification time, has continued purification function step.
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| CN105425852B (en) | 2017-06-06 |
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