CN203190730U - Air conditioner refrigerant recovery filling machine monitoring system - Google Patents
Air conditioner refrigerant recovery filling machine monitoring system Download PDFInfo
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- CN203190730U CN203190730U CN 201320072781 CN201320072781U CN203190730U CN 203190730 U CN203190730 U CN 203190730U CN 201320072781 CN201320072781 CN 201320072781 CN 201320072781 U CN201320072781 U CN 201320072781U CN 203190730 U CN203190730 U CN 203190730U
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Abstract
The utility model provides an air conditioner refrigerant recovery filling machine monitoring system. A first electromagnetic valve is arranged at the position of a low-pressure pipeline of an air conditioner refrigerant recovery filling machine and used for controlling connecting and disconnecting of the low-pressure pipeline, a second electromagnetic valve is arranged at the position of a high-pressure pipeline of the air conditioner refrigerant recovery filling machine and used for controlling connecting and disconnecting of the high-pressure pipeline, a relay is respectively connected with the first electromagnetic valve and the second electromagnetic valve and used for controlling opening and closing of the first electromagnetic valve and the second electromagnetic valve and producing corresponding relay signals, a weighing device is arranged at the bottom of a working tank of the air conditioner refrigerant recovery filling machine and used for monitoring the weight of a refrigerant in the working tank in real time and producing corresponding weight monitoring signals, and a control device which is respectively and electrically connected with the replay and the weighing device and used for receiving and recording the relay signals and the weight monitoring signals when the air conditioner refrigerant recovery filling machine is operated, comparing the received signals with preset standard monitoring signals, and generating a monitoring report.
Description
Technical field
The utility model relates to air-conditioning system maintenance field, relates in particular to a kind of monitoring system that the operation of refrigerant-recovery filing provision is monitored.
Background technology
In air-conditioning refrigeration system (for example automobile air conditioning refrigerating system) concrete maintenance and cold-producing medium filling process, be unable to do without cold-producing medium discharging or recovery, vacuumize and basic operation such as annotate.When repairing air-conditioning system, often need take air-conditioning system apart, at this moment just cold-producing medium in the system need be reclaimed or discharges.Under the leak free situation of affirmation system, just can quantitatively annotate to air-conditioning system.
Country has the operation of clear and definite rules and regulations cold-producing medium filling recycling machine to require (according to Ministry of Communications's standard " automobile air-conditioning refrigeration agent recovery, purification, filling technological specification " (JT/T 774-2010)), whether meet standard for the operation of judging cold-producing medium filling recycling machine at present, mainly pass through artificial judgment, to supervisor's training cost height, and the judgement subjective factor of manually having done is bigger, practise fraud easily or tight requirement excessively, be unfavorable for the popularization of national legislation.Because existing refrigerant-recovery charging machine operation lacks monitoring means and dynamics, makes that the operation requirement of rules defined can't effectively be supervised; Maintenance company's free degree is big, can't know clearly whether this machine has obtained valid function, whether has reached the purpose of the energy-conserving and environment-protective of equipment own.If every household monitoring operating position or selective examination, cost of labor is big, implementation result is not good.Existing remote supervisory is reasonable scheme, but Chinese region is vast, and network condition differs, and wifi focus and 3G network are also not too flourishing in certain areas, and there is technical difficulty in remote monitoring.
The utility model content
Technical problem to be solved in the utility model is, provide a kind of air-conditioning refrigerant to reclaim charging machine monitoring system and method for supervising, realize that by each sensor and electronic signal feedback the user controls the automatic record of process, and compare with the requirement of specified standard technological specification, the report of formation operation monitoring, thereby the operation of standard refrigerant-recovery charging machine, provide low-cost for third party supervision simultaneously and be beneficial to the embodiment of remote supervisory, solve the problem that the operation of refrigerant-recovery charging machine in the prior art can't effectively be supervised.
In order to address the above problem, the utility model provides a kind of air-conditioning refrigerant to reclaim the charging machine monitoring system, and described air-conditioning refrigerant reclaims charging machine and comprises the low pressure line that is communicated with air-conditioning system low pressure filling end, the pressure duct, compressor, first oil eliminator that is communicated with low pressure line and compressor respectively, the work jar that is communicated with compressor and pressure duct respectively that are communicated with the high pressure filling end of air-conditioning system and second oil eliminator that is communicated with compressor and work jar respectively; Described low pressure line place is provided with first magnetic valve, and described first magnetic valve is used for the break-make of control low pressure line; Described pressure duct place is provided with second magnetic valve, and described second magnetic valve is used for the break-make of control pressure duct; One relay that links to each other with described first magnetic valve and second magnetic valve respectively is used for the opening and closing of described first magnetic valve of control and second magnetic valve, and produces corresponding relay signal; Described work pot bottom is provided with a weighing device, is used for the weight of real-time monitoring jar cold-producing medium, and produces corresponding weight monitor signal; One control device that is electrically connected with described relay and weighing device respectively, be used for when described air-conditioning refrigerant reclaims the charging machine operation, receive and record described relay signal and weight monitor signal, and received signal compared with predefined standard monitor signal, generate monitoring report.
Further, described monitoring system also comprises pressure sensor and temperature sensor, when described air-conditioning refrigerant recovery charging machine links to each other with air-conditioning system, described pressure sensor is used for sensing air-conditioning system pressure inside and the pressure signal that senses is sent to described control device, and described temperature sensor is connected with air-conditioning system and is used for sensing air-conditioning system temperature inside and the temperature signal that senses is sent to described control device.
Optionally, described air-conditioning refrigerant reclaims charging machine and also comprises an oiling device, and described oiling device is communicated with the high pressure filling end of described air-conditioning system by an oiling magnetic valve, is used for lubricating oil is injected air-conditioning system inside; Described relay further links to each other with described oiling magnetic valve, is used for the opening and closing of the described oiling magnetic valve of control, and produces corresponding relay signal and be sent to described control device; Described oiling device bottom is provided with a weighing device, is used for the weight of the lubricating oil in the monitoring oiling device in real time, and produces corresponding weight monitor signal and be sent to described control device.
Optionally, described first oil eliminator is communicated with a discharge equipment by an oil drain solenoid valve, is used for the isolated lubricating oil of first oil eliminator is discharged into discharge equipment; Described relay further links to each other with described oil drain solenoid valve, is used for the opening and closing of the described oil drain solenoid valve of control, and produces corresponding relay signal and be sent to described control device; Described discharge equipment bottom is provided with a weighing device, is used for the weight of the lubricating oil in the monitoring discharge equipment in real time, and produces corresponding weight monitor signal and be sent to described control device.
Optionally, described monitoring system also comprises a timer, is used for the running time of real time record system, and produces corresponding time supervision signal and be sent to described control device.
Optionally, described monitoring system also comprises a suggestion device, is used for generating corresponding cue according to described monitoring report, and whether the operation of alert meets established standards.
Optionally, described monitoring system further comprises a communication part, described control device is transferred to outside communication module with monitoring report by described communication part, and by described communication module monitoring report being sent to predefined server terminal by GPRS network, wherein said communication module binding has the user to specify SIM information and machine information.
Optionally, described monitoring system further comprises an encrypted component, and described control device is stored to outside memory with monitoring report by described encrypted component.
Advantage of the present utility model is, realize that by each sensor and electronic signal feedback the user controls the automatic record of process, and compare with the requirement of specified standard technological specification, the report of formation operation monitoring, thereby the operation of standard refrigerant-recovery charging machine is supervised the embodiment that provides low-cost and be beneficial to remote supervisory for the third party simultaneously; Third party supervision department can check the monitoring report data of storage by Internet network entry server terminal.The local of poor signal or signal is very poor once in a while can't send, can be by local storage, the mode that manually reads is supervised, and is specifying the review time, and the user directly delivers to third party supervision department with the SD card and checks by the deciphering reading software.
Description of drawings
Accompanying drawing 1 is the structural representation that air-conditioning refrigerant described in the utility model reclaims the specific embodiment of charging machine monitoring system.
Accompanying drawing 2 is flow charts that air-conditioning refrigerant described in the utility model reclaims the specific embodiment of charging machine monitoring system monitoring refrigerant filling method of operating.
Accompanying drawing 3 is flow charts of the specific embodiment of the air-conditioning refrigerant described in the utility model method that reclaims charging machine monitoring system monitoring refrigerant reclaimer operation.
The specific embodiment
The specific embodiment that the air-conditioning refrigerant that the utility model is provided below in conjunction with accompanying drawing reclaims charging machine monitoring system and method for supervising elaborates.
Provide the specific embodiment that air-conditioning refrigerant described in the utility model reclaims the charging machine monitoring system at first by reference to the accompanying drawings.
Be the structure diagram that the air-conditioning refrigerant that provides of this specific embodiment reclaims the charging machine monitoring system shown in the accompanying drawing 1, referring to shown in Figure 1, described monitoring system comprises that described air-conditioning refrigerant reclaims charging machine and control device 20.Described air-conditioning refrigerant reclaims charging machine and comprises low pressure line 1, first oil eliminator 2, compressor 3, second oil eliminator 4, work jar 5 and pressure duct 6.
Described low pressure line 1 one ends are communicated with the low pressure filling end 7 of air-conditioning system, described first oil eliminator 2 is communicated with low pressure line 1 and compressor 3 respectively, described work jar 5 is communicated with described compressor 3 and pressure duct 6 respectively, and described pressure duct 6 is communicated with the high pressure filling end 8 of air-conditioning system.After cold-producing medium is drawn out of from air-conditioning system, pass through low pressure line 1, first oil eliminator 2, compressor 3, second oil eliminator 4 successively, enter at last in the work jar 5; Be that described first oil eliminator 2 is used for and will transmits the lubricating oil separation that next cold-producing medium contain from air-conditioning system, make simple cold-producing medium enter in the compressor 3; Described compressor 3 is used for and will transmits next cold-producing medium from low pressure gaseous state boil down to high-pressure gaseous from first oil eliminator 2; The lubricating oil of the compressor that the cold-producing medium that described second oil eliminator 4 is used for the high-pressure gaseous that the compressor transmission is next contains separates with cold-producing medium, thereby pure cold-producing medium is conveyed into work jar 5; Work jar 5 is used for store refrigerant, in order to cold-producing medium is added the injection air-conditioning system by pressure duct 6.
1 place arranges the first magnetic valve S1 at described low pressure line, is used for the break-make of control low pressure line 1, and when the described first magnetic valve S1 opened, described low pressure line 1 was path, allows cold-producing medium to pass through.6 places arrange the second magnetic valve S2 at described pressure duct, are used for the break-make of control pressure duct 6, and when the described second magnetic valve S2 opened, described pressure duct 6 was path, allow cold-producing medium to pass through.
Described monitoring system also comprises the relay D1 that links to each other with the described first magnetic valve S1 and the second magnetic valve S2 respectively, be used for the opening and closing of the described first magnetic valve S1 of control and the second magnetic valve S2, and produce corresponding relay signal and be sent to described control device 20.
In described work jar 5 bottoms weighing device SC1 is set, is used for the weight of real-time monitoring jar 5 cold-producing mediums, and produce corresponding weight monitor signal and be sent to described control device 20.When air-conditioning refrigerant reclaims charging machine in the air-conditioning system during filling cold-producing medium, can draw the amount of the cold-producing medium of annotating in the air-conditioning system according to the weight monitor signal of weighing device SC1.Control device 20 compares cold-producing medium adding amount setting value (by automobile production manufacturer factory setting) corresponding standard detection signal that this vehicle air conditioner of data base querying of storing in advance in weight monitor signal and the control device 20 needs, and can judge whether the cold-producing medium adding amount meets established standards.
In this specific embodiment, described monitoring system also comprises pressure sensor P1, temperature sensor T1, when air-conditioning refrigerant recovery charging machine links to each other with air-conditioning system, described pressure sensor P1 and temperature sensor T1 are connected with air-conditioning system, for detection of air-conditioning system pressure inside and temperature, and pressure and the temperature signal that senses be sent to described control device 20.In control device 20, store a low pressure protection value in advance, if the pressure signal that pressure sensor P1 transmission comes judges then that less than the standard detection signal of low pressure protection value correspondence refrigerant-recovery finishes; If the pressure signal that senses judges then that greater than the standard detection signal of low pressure protection value correspondence cold-producing medium has not reclaimed; In control device 20, store a cold-producing medium saturation scale directrix curve in advance, if the cold-producing medium saturation curve that the pressure signal that transmits according to pressure sensor P1 and temperature sensor T1 and temperature signal corresponding relation are produced is different with cold-producing medium saturation scale directrix curve, judge that then the cold-producing medium that reclaims is impure from air-conditioning system.
In this specific embodiment, described air-conditioning refrigerant reclaims charging machine and also comprises an oiling device 9, and described oiling device 9 is communicated with the high pressure filling end 8 of described air-conditioning system by an oiling magnetic valve S9, is used for lubricating oil is injected air-conditioning system inside; Described relay D1 further links to each other with described oiling magnetic valve S9, is used for the opening and closing of the described oiling magnetic valve S8 of control, and produces corresponding relay signal and be sent to described control device 20.Described oiling device 9 bottoms are provided with a weighing device SC9, are used for the weight of the lubricating oil of monitoring oiling device 9 inside in real time, and produce corresponding weight monitor signal and be sent to described control device 20.When needs inject lubricating oil in the air-conditioning system, then relay D1 control oiling magnetic valve S9 opens, with the high pressure filling end 8 injection air-conditioning systems of lubricating oil by air-conditioning system, weight in the weighing device SC9 weighing oiling device 9, the weight that oiling device 9 reduces is the weight that joins the lubricating oil in the air-conditioning system.Control device 20 compares weight setting value (by the car manufactures Default Value) corresponding standard detection signal of the lubricating oil that weight monitor signal and the air-conditioning system of storing in advance need, can judge whether the weight that joins the lubricating oil in the air-conditioning system meets established standards.
In this specific embodiment, described first oil eliminator 2 is communicated with a discharge equipment 10 by an oil drain solenoid valve S10, is used for first oil eliminator, 2 isolated lubricating oil are discharged into discharge equipment 10; Described relay D1 further links to each other with oil drain solenoid valve S10, is used for the opening and closing of the described oil drain solenoid valve S10 of control, and produces corresponding relay signal and be sent to described control device 20.Described discharge equipment 10 bottoms are provided with a weighing device SC10, are used for the weight of the lubricating oil of monitoring discharge equipment 10 inside in real time, and produce corresponding weight monitor signal and be sent to described control device 20.Control device 20 compares weight setting value (car manufactures factory setting) corresponding standard detection signal of the lubricating oil in the air-conditioning system of weight monitor signal and storage in advance, can judge whether the weight of the lubricating oil of recovery meets established standards.
Described control device 20 respectively with described relay D1, weighing device SC1, SC9 and SC10, pressure sensor P1 and temperature sensor T1 are electrically connected, be used for when described air-conditioning refrigerant reclaims the charging machine operation, receive and the meter relay switching signal, weighing device SC1, the weight monitor signal of SC9 and SC1, pressure signal and temperature signal, and with received signal and predefined standard monitor signal (" the automobile air-conditioning refrigeration agent is reclaimed according to Ministry of Communications's rules, purify, the filling technological specification " (JT/T774-2010)) compare, generate monitoring report.Wherein, described control device 20 comprises control chip.
In this specific embodiment, described monitoring system further comprises a communication part 21, described control device 20 is transferred to outside communication module 31 with monitoring report by described communication part 21, and by described communication module 31 monitoring report sending to predefined server terminal 30 by GPRS network 32, third party supervision department can check the monitoring report data of storage by Internet network entry server terminal 30 like this.31 bindings of wherein said communication module have the user to specify SIM information and machine information, make the user can't change SIM number voluntarily, avoid the someone to substitute monitoring report for another surreptitiously and evade supervision.
In this specific embodiment, described monitoring system further comprises an encrypted component 22, and described control device 20 is stored to for example special-purpose SD card of outside memory 33(with monitoring report by described encrypted component 22).The monitoring report data encryption is stored into the SD card, is specifying the review time, and the user directly delivers to third party supervision department with the SD card and checks by the deciphering reading software.Like this, the local of poor signal or signal is very poor once in a while can't send, can be by local storage, the mode that manually reads is supervised.
In this specific embodiment, described monitoring system also comprises a timer (not shown), is used for the running time of real time record system, and produces corresponding time supervision signal and be sent to described control device.
In this specific embodiment, described monitoring system also comprises a suggestion device (not shown), is used for generating corresponding cue according to described monitoring report, and whether the operation of alert meets established standards.For example adopt the signal lamp of different colours to come the operation of alert whether to meet established standards, perhaps do not meet established standards in operating personnel's operation and point out by alarm bell.
Next provide the specific embodiment that adopts air-conditioning refrigerant described in the utility model to reclaim charging machine monitoring system monitoring refrigerant filling method of operating by reference to the accompanying drawings.
It is the flow chart that the employing that provides of this specific embodiment air-conditioning refrigerant described in the utility model reclaims charging machine monitoring system monitoring refrigerant filling method of operating shown in the accompanying drawing 2, referring to shown in Figure 2, described monitoring refrigerant filling method of operating may further comprise the steps.
S210: pressure duct is connected to air-conditioning system; Described pressure duct is connected to the high pressure filling end of air-conditioning system.
S220: relay is controlled the opening and closing of second magnetic valve, and produces corresponding relay signal and be sent to described control device.Second magnetic valve is opened, and cold-producing medium is drawn into the air-conditioning system from the work jar.
S230: the weight of cold-producing medium in the real-time surveying work jar of weighing device, and the weight monitor signal passed to control device.Described weighing device is used for the amount of weighing work jar cold-producing medium.
S240: control device receives and records described relay signal and weight monitor signal, and received signal is compared with predefined standard monitor signal.
Can draw the amount of the cold-producing medium of annotating in the air-conditioning system according to the weight monitor signal of weighing device.The cold-producing medium adding amount that control device needs the air-conditioning system of storing in advance in weight monitor signal and the control device sets value corresponding standard detection signal and compares, and can judge whether the cold-producing medium adding amount meets established standards.
S250: generate monitoring report.
Third party supervision department is to cold-producing medium filling operation supervision for convenience, and described monitoring system can also comprise a communication part, then further comprises step S251-step S252 after the step S250.
S251: monitoring report is transferred to outside communication module by described communication part.
S252: monitoring report is sent to predefined server terminal by GPRS network by described communication module.
Third party supervision department can check the monitoring report data of storage by Internet network entry server terminal like this.The binding of wherein said communication module has the user to specify SIM information and machine information, makes the user can't change SIM number voluntarily, avoids the someone to substitute monitoring report for another surreptitiously and evades supervision.
Third party supervision department is to cold-producing medium filling operation supervision for convenience, and described monitoring system can also comprise an encrypted component, then further comprises step S253 after the step S250.
S253: monitoring report is stored to outside memory by described encrypted component.
The local of poor signal or signal is very poor once in a while can't send, can be by local storage, the mode that manually reads is supervised; Be that described control device can be stored to outside memory (for example special-purpose SD card) by described encrypted component with monitoring report.Specifying the review time, the user directly delivers to third party supervision department with the SD card and checks by the deciphering reading software.
Next provide the specific embodiment that adopts air-conditioning refrigerant described in the utility model to reclaim the method for charging machine monitoring system monitoring refrigerant reclaimer operation by reference to the accompanying drawings.
It is the flow chart that the employing that provides of this specific embodiment air-conditioning refrigerant described in the utility model reclaims the method for charging machine monitoring system monitoring refrigerant reclaimer operation shown in the accompanying drawing 3, referring to shown in Figure 3, the method for described monitoring refrigerant reclaimer operation may further comprise the steps.
S310: low pressure line is connected to air-conditioning system, and starts compressor; Described low pressure line is connected to the low pressure filling end of air-conditioning system.
S320: relay is controlled the open and close of first magnetic valve, and produces corresponding relay signal and be sent to described control device.
First magnetic valve and compressor are opened, and form a pressure reduction in the part, thereby make cold-producing medium to be extracted from air-conditioning system inside.Cold-producing medium is drawn into the air-conditioning refrigerant recovery charging machine from the inside of air-conditioning system, successively through first oil eliminator, compressor, second oil eliminator, and enters the work jar.The cold-producing medium that extracts from air-conditioning system is the state that contains the gas-liquid two-phase of lubricating oil, in first oil eliminator, the lubricating oil separation that will contain from the cold-producing medium that air-conditioning system transmission comes makes the cold-producing medium of gas-liquid two-phase become gaseous refrigerant and enters in the compressor.Described compressor will transmit next cold-producing medium from low pressure gaseous state boil down to high-pressure gaseous from first oil eliminator.The lubricating oil of the compressor that contains in the cold-producing medium of the high-pressure gaseous that described second oil eliminator is next with the compressor transmission separates with cold-producing medium, thereby pure cold-producing medium is conveyed into the work jar, work tank stores cold-producing medium is in order to add the injection air-conditioning system with cold-producing medium by pressure duct.
S330: pressure sensor senses air-conditioning system pressure inside, and the pressure signal that senses is sent to described control device.
S340: temperature sensor senses air-conditioning system temperature inside, and the temperature signal that senses is sent to described control device.
When air-conditioning refrigerant reclaimed charging machine and links to each other with air-conditioning system, described pressure sensor and temperature sensor were connected with air-conditioning system, for detection of air-conditioning system pressure inside and temperature, and pressure and the temperature signal that senses were sent to described control device.
S350: control device receives and records described relay signal, pressure signal and temperature signal, and received signal is compared with predefined standard monitor signal.
In control device, store a low pressure protection value in advance, if the pressure signal that the pressure sensor transmission comes judges then that less than the standard detection signal of low pressure protection value correspondence refrigerant-recovery finishes; If the pressure signal that senses judges then that greater than the standard detection signal of low pressure protection value correspondence cold-producing medium has not reclaimed; In control device, store a cold-producing medium saturation scale directrix curve in advance, if the cold-producing medium saturation curve that the pressure signal that transmits according to pressure sensor and temperature sensor and temperature signal corresponding relation are produced is different with cold-producing medium saturation scale directrix curve, judge that then the cold-producing medium that reclaims is impure from air-conditioning system.
S360: generate monitoring report.
Third party supervision department is to cold-producing medium filling operation supervision for convenience, and described monitoring system can also comprise a communication part, then further comprises step S361-step S362 after the step S360.
S361: monitoring report is transferred to outside communication module by described communication part.
S362: monitoring report is sent to predefined server terminal by GPRS network by described communication module.
Third party supervision department can check the monitoring report data of storage by Internet network entry server terminal like this.The binding of wherein said communication module has the user to specify SIM information and machine information, makes the user can't change SIM number voluntarily, avoids the someone to substitute monitoring report for another surreptitiously and evades supervision.
Third party supervision department is to cold-producing medium filling operation supervision for convenience, and described monitoring system can also comprise an encrypted component, then further comprises step S363 after the step S360.
S363: monitoring report is stored to outside memory by described encrypted component.
The local of poor signal or signal is very poor once in a while can't send, can be by local storage, the mode that manually reads is supervised; Be that described control device can be stored to outside memory (for example special-purpose SD card) by described encrypted component with monitoring report.Specifying the review time, the user directly delivers to third party supervision department with the SD card and checks by the deciphering reading software.
The utility model also provides a kind of employing air-conditioning refrigerant described in the utility model to reclaim charging machine monitoring system monitoring oil filling method of operating, the step that described method comprises is: when needs inject lubricating oil in the air-conditioning system, then relay control oiling magnetic valve is opened, the high pressure of lubricating oil by air-conditioning system filled end inject air-conditioning system, and produce corresponding relay signal and be sent to described control device; Weighing device is monitored the weight of the lubricating oil in the oiling device in real time, and produces corresponding weight monitor signal and be sent to described control device, and the weight that oiling device reduces is the weight that joins the lubricating oil in the air-conditioning system; The oil filling amount that control device needs the air-conditioning system of storing in advance in weight monitor signal and the control device sets value corresponding standard detection signal and compares, and can judge whether the oil filling amount meets established standards.
The above only is preferred embodiment of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an air-conditioning refrigerant reclaims the charging machine monitoring system, and described air-conditioning refrigerant reclaims charging machine and comprises the low pressure line that is communicated with air-conditioning system low pressure filling end, the pressure duct, compressor, first oil eliminator that is communicated with low pressure line and compressor respectively, the work jar that is communicated with compressor and pressure duct respectively that are communicated with the high pressure filling end of air-conditioning system and second oil eliminator that is communicated with compressor and work jar respectively; It is characterized in that,
Described low pressure line place is provided with first magnetic valve, and described first magnetic valve is used for the break-make of control low pressure line;
Described pressure duct place is provided with second magnetic valve, and described second magnetic valve is used for the break-make of control pressure duct;
One relay that links to each other with described first magnetic valve and second magnetic valve respectively is used for the opening and closing of described first magnetic valve of control and second magnetic valve, and produces corresponding relay signal;
Described work pot bottom is provided with a weighing device, is used for the weight of real-time monitoring jar cold-producing medium, and produces corresponding weight monitor signal;
One control device that is electrically connected with described relay and weighing device respectively, be used for when described air-conditioning refrigerant reclaims the charging machine operation, receive and record described relay signal and weight monitor signal, and received signal compared with predefined standard monitor signal, generate monitoring report.
2. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that, described monitoring system also comprises pressure sensor and temperature sensor, when described air-conditioning refrigerant recovery charging machine links to each other with air-conditioning system, described pressure sensor is used for sensing air-conditioning system pressure inside and the pressure signal that senses is sent to described control device, and described temperature sensor is connected with air-conditioning system and is used for sensing air-conditioning system temperature inside and the temperature signal that senses is sent to described control device.
3. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that, described air-conditioning refrigerant reclaims charging machine and also comprises an oiling device, described oiling device is communicated with the high pressure filling end of described air-conditioning system by an oiling magnetic valve, is used for lubricating oil is injected air-conditioning system inside;
Described relay further links to each other with described oiling magnetic valve, is used for the opening and closing of the described oiling magnetic valve of control, and produces corresponding relay signal and be sent to described control device;
Described oiling device bottom is provided with a weighing device, is used for the weight of the lubricating oil in the monitoring oiling device in real time, and produces corresponding weight monitor signal and be sent to described control device.
4. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that,
Described first oil eliminator is communicated with a discharge equipment by an oil drain solenoid valve, is used for the isolated lubricating oil of first oil eliminator is discharged into discharge equipment;
Described relay further links to each other with described oil drain solenoid valve, is used for the opening and closing of the described oil drain solenoid valve of control, and produces corresponding relay signal and be sent to described control device;
Described discharge equipment bottom is provided with a weighing device, is used for the weight of the lubricating oil in the monitoring discharge equipment in real time, and produces corresponding weight monitor signal and be sent to described control device.
5. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that described monitoring system also comprises a timer, is used for the running time of real time record system, and produces corresponding time supervision signal and be sent to described control device.
6. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that, described monitoring system also comprises a suggestion device, is used for generating corresponding cue according to described monitoring report, and whether the operation of alert meets established standards.
7. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that, described monitoring system further comprises a communication part, described control device is transferred to outside communication module with monitoring report by described communication part, and by described communication module monitoring report being sent to predefined server terminal by GPRS network, wherein said communication module binding has the user to specify SIM information and machine information.
8. air-conditioning refrigerant according to claim 1 reclaims the charging machine monitoring system, it is characterized in that described monitoring system further comprises an encrypted component, and described control device is stored to outside memory with monitoring report by described encrypted component.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320072781 CN203190730U (en) | 2013-02-08 | 2013-02-08 | Air conditioner refrigerant recovery filling machine monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320072781 CN203190730U (en) | 2013-02-08 | 2013-02-08 | Air conditioner refrigerant recovery filling machine monitoring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134251A (en) * | 2013-02-08 | 2013-06-05 | 甘小琴 | Monitoring system and monitoring method of air conditioning refrigerant recovery and filling device |
| CN103615845A (en) * | 2013-11-28 | 2014-03-05 | 海信（浙江）空调有限公司 | Gas-liquid separation liquid storage early-warning control device with front-arranged refrigerant |
| CN112752936A (en) * | 2018-09-28 | 2021-05-04 | 大金工业株式会社 | Refrigerant charging method |
-
2013
- 2013-02-08 CN CN 201320072781 patent/CN203190730U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103134251A (en) * | 2013-02-08 | 2013-06-05 | 甘小琴 | Monitoring system and monitoring method of air conditioning refrigerant recovery and filling device |
| CN103134251B (en) * | 2013-02-08 | 2015-03-04 | 甘小琴 | Monitoring system and monitoring method of air conditioning refrigerant recovery and filling device |
| CN103615845A (en) * | 2013-11-28 | 2014-03-05 | 海信（浙江）空调有限公司 | Gas-liquid separation liquid storage early-warning control device with front-arranged refrigerant |
| CN103615845B (en) * | 2013-11-28 | 2016-01-27 | 海信（浙江）空调有限公司 | Cold-producing medium forward type gas-liquid separation liquid storage prewarning controller |
| CN112752936A (en) * | 2018-09-28 | 2021-05-04 | 大金工业株式会社 | Refrigerant charging method |
| CN112752936B (en) * | 2018-09-28 | 2022-10-28 | 大金工业株式会社 | Refrigerant charging method |
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