CN206338992U - A kind of refrigerant leakage prior-warning device based on internet - Google Patents
A kind of refrigerant leakage prior-warning device based on internet Download PDFInfo
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- CN206338992U CN206338992U CN201621487560.5U CN201621487560U CN206338992U CN 206338992 U CN206338992 U CN 206338992U CN 201621487560 U CN201621487560 U CN 201621487560U CN 206338992 U CN206338992 U CN 206338992U
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Abstract
The embodiment of the present application discloses a kind of refrigerant leakage prior-warning device based on internet, and the device includes：Electronic level detector, controller and main control device, controller includes first processor and second processing device, electronic level detector is used for the refrigerant liquid place value for gathering reservoir equipment, first processor is used for the current refrigerant total amount that reservoir equipment is calculated according to refrigerant liquid place value, second processing device is used for the difference for calculating current refrigerant total amount and the default conventional total amount of reservoir equipment, it is used as decrement, and when decrement meets preset threshold condition by data information transfer to main control device, main control device is used to generate early warning information according to data message, and transmit early warning information to specified user terminal.Implement the embodiment of the present application, refrigeration system can be accurately detected out with the presence or absence of abnormal leakage, timely early warning, to be investigated in time, it is ensured that the safety of refrigeration system.
Description
Technical field
The application is related to industrial refrigeration processing technology field, and in particular to a kind of refrigerant leakage early warning based on internet
Device.
Background technology
With the development of industry, agricultural, national defence and science and technology, Refrigeration Technique obtains widely should in every field
With.One of safety problem that refrigeration system is present is to be possible to produce refrigerant leakage in running, particularly with using fluorine
Leon is the refrigeration system of refrigerant, because freon refrigerant permeability is strong, colorless and odorless, and large-scale refrigerating system interface
Many, complex structure, therefore the likelihood ratio of refrigerant leakage is larger.The detection method of current refrigerant leakage has suds leak detection
Method, fluoroscopic leak test, electronics leak detection and Halogen lamp LED leak detection etc..In practice, it has been found that these existing leak detectings typically all can not and
Shi Jinhang leak detections (it is difficult to being found at the beginning of refrigerant is leaked), often occur in that obvious situation in refrigeration plant operation, cause
It can just be detected after greater loss by professional, detection not in time, causes refrigeration system to there is larger risk of leakage.
Utility model content
The embodiment of the present application discloses a kind of refrigerant leakage prior-warning device based on internet, for detecting refrigeration in time
Whether agent occurs abnormal leakage, timely early warning, it is ensured that the safety of refrigeration system, and accuracy of detection is higher.
The application first aspect discloses a kind of refrigerant leakage prior-warning device based on internet, it may include：
Electronic level detector, controller and main control device, the controller include first processor and second processing
Device；
Wherein, the electronic level detector connects the storage in the controller and refrigeration system by connecting line respectively
Liquid equipment, the electronic level detector is used for the refrigerant liquid place value for gathering the reservoir equipment, and is transferred to described first
Processor；
The first processor is total for the current refrigerant that the reservoir equipment is calculated according to the refrigerant liquid place value
Amount, and pass to the second processing device；
The second processing device is used for the default conventional total amount for calculating the current refrigerant total amount and the reservoir equipment
Difference, as decrement, and when the decrement meets preset threshold condition, data information transfer to the master control is set
It is standby；The data message includes the current refrigerant total amount, the decrement and the reservoir equipment of the reservoir equipment
Identity；
The main control device is used to generate early warning information according to the data message, and the early warning information is transmitted to finger
Fixed user terminal.
As a kind of optional embodiment, in the application first aspect, the electronic level detector is arranged on institute
State in reservoir equipment.
As a kind of optional embodiment, in the application first aspect, the second processing device is used to collect
After the refrigerant liquid place value, the type of the reservoir equipment and the parameter preset of the reservoir equipment are obtained, according to the class
Type selects the target machine equation of the type matching from preset machine equation, and according to the refrigerant level
Value and the parameter preset, the current refrigerant total amount of the reservoir equipment, institute are calculated using the target machine equation
Stating parameter preset includes refrigerant stored by the volume, the diameter of the reservoir equipment, the reservoir equipment of the reservoir equipment
Density and constant.
As a kind of optional embodiment, in the application first aspect, the second processing device is used to obtain described
The default conventional total amount of the refrigerant of reservoir equipment, judges whether the current refrigerant total amount is less than the default routine total
Amount, and when the current refrigerant total amount is less than the default conventional total amount, calculate the current refrigerant total amount with it is described
The difference of default routine total amount, is used as decrement.
As a kind of optional embodiment, in the application first aspect, the main control device is used to obtain pre-stored
User terminal account information, the early warning information is sent to by the corresponding user of the account information by preset mode whole
In end, the preset mode includes short message way, PUSH message mode or e-mail sending formula.
As a kind of optional embodiment, in the application first aspect, the controller also includes alarm module, its
In：
The alarm module is used for when the decrement got meets preset threshold condition, sends alarm signal, described
Alarm signal is used to point out the refrigerant of the reservoir equipment to there is abnormal leakage.
Compared with prior art, the embodiment of the present application has the advantages that：
The leakage prior-warning device of the refrigerant based on internet that the embodiment of the present application is provided includes electronic level detector, control
Device and main control device processed, controller include first processor and second processing device, and electronic level detector is used to gather reservoir
The refrigerant liquid place value of equipment, first processor is total for the current refrigerant that reservoir equipment is calculated according to refrigerant liquid place value
Amount, second processing device is used for the difference for calculating current refrigerant total amount and the default conventional total amount of reservoir equipment, as decrement,
And when decrement meets preset threshold condition by data information transfer to main control device, main control device is used for according to data message
Early warning information is generated, and early warning information is transmitted to specified user terminal, to complete the early warning to user, so that user can
Know that a certain reservoir equipment in refrigeration system there may be refrigerant abnormal leakage in time, detection accuracy is higher, so as to energy
It is enough to carry out refrigerant leakage investigation in time, it is ensured that the safety of refrigeration system, and whole system realizes the long-range prison of centralization
Control, realizes unattended function, cost is relatively low.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, below by to be used needed for embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the structural representation of the long-range leakage monitoring system based on internet disclosed in the embodiment of the present application；
Fig. 2 is the structural representation of refrigerant leakage detecting device disclosed in the embodiment of the present application；
Fig. 3 is the structural representation that the disclosed refrigerant based on internet of the embodiment of the present application leaks early warning system；
Fig. 4 is another structural representation of refrigerant leakage detecting device disclosed in the embodiment of the present application；
Fig. 5 is another structural representation that the disclosed refrigerant based on internet of the embodiment of the present application leaks early warning system
Figure；
Fig. 6 is the schematic flow sheet of refrigerant leakage detection method disclosed in the embodiment of the present application；
Fig. 7 is the signaling diagram of the long-range leak supervision method based on internet disclosed in the embodiment of the present application；
Fig. 8 is the schematic flow sheet that the disclosed refrigerant based on internet of the embodiment of the present application leaks method for early warning；
Fig. 9 is the structural representation that the disclosed refrigerant based on internet of the embodiment of the present application leaks prior-warning device.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.Based on this
Embodiment in application, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of the application protection is belonged to.
The embodiment of the present application discloses a kind of refrigerant leakage prior-warning device based on internet, can accurately detect out
Refrigeration system whether there is abnormal leakage, timely early warning, to be investigated in time, it is ensured that the safety of refrigeration system.The application is real
Apply example and also accordingly disclose a kind of refrigerant leakage method for early warning based on internet.
Below in conjunction with specific embodiment, technical scheme is discussed in detail.
Embodiment one
Referring to Fig. 1, the structure that Fig. 1 is the long-range leakage monitoring system based on internet disclosed in the embodiment of the present application is shown
It is intended to；As shown in figure 1, a kind of long-range leakage monitoring system based on internet may include：
Refrigerant leakage detecting device 110, the refrigerant level for gathering the reservoir equipment 101 in refrigeration system 100
Value, the current refrigerant total amount of reservoir equipment 101 is calculated according to refrigerant liquid place value, current refrigerant total amount is sent into service
Device end 120；
Server end 120, for by current refrigerant total amount and the corresponding storage in the predetermined system model of refrigeration system 100
Liquid equipment sets up incidence relation, and when receiving the access request of the transmission of monitoring side 130, in response to access request and monitoring
Communication connection is set up at end 130；
Monitoring side 130, for sending access request to server end 120 to show predetermined system model in monitoring side 130,
And the predetermined system model based on display checks the current refrigerant total amount of reservoir equipment 101 to monitor the system of refrigeration system 100
Cryogen leakage situation.
As can be seen that implementing the embodiment of the present application, the long-range leakage monitoring system based on internet can gather refrigeration system
The refrigerant liquid place value of reservoir equipment in system, according to the real-time change of refrigerant liquid place value, calculates the current system of reservoir equipment
Cryogen total amount, then monitoring side is by access server end to obtain the current refrigerant total amount of reservoir equipment, and analysis refrigeration is
System whether there is refrigerant abnormal leakage, to be investigated in time；The remote monitoring of centralization, realizes unattended function, and
And according to the real-time refrigerant liquid place value analysis leakage result of reservoir equipment, the accuracy of analysis result is higher, can be accurate
Ground reflects the leakage situation of refrigeration system, and cost is relatively low.
Alternatively, refrigerant leakage detecting device 110 can receive server end 120 transmission access request when,
The current refrigerant total amount of reservoir equipment is sent to server end 120.
As a kind of optional embodiment, monitoring side 130 can be various terminal equipment, such as computer, smart mobile phone,
Browser is installed, related personnel by inputting the address of server end 120 on a web browser, then in IPAD etc., monitoring side 130
Access server end 120.Alternatively, monitoring side 130 is inputted behind the address of server end 120 on a web browser, access server end
120 homepage, needs account number cipher to log in ability successful access to predetermined system model, therefore, monitoring side on homepage
130 are entered after the main interface of server end 120 by the address of server end 120, and monitoring side 130 receives the logon information of input, sentences
Whether the logon information of disconnected input matches with pre-stored logon information, if it does, then allowing the access service of monitoring side 130
Predetermined system model in device end 120.Logon information includes account and password of above-mentioned introduction etc..
Embodiment two
Referring to Fig. 2, Fig. 2 is the structural representation of refrigerant leakage detecting device disclosed in the embodiment of the present application；Such as Fig. 2
Shown, a kind of refrigerant leakage detecting device 110 may include：
Data acquisition unit 111, connects data processing unit 112, for gathering the reservoir equipment in refrigeration system 100
101 refrigerant liquid place value is simultaneously transferred to data processing unit 112；
Data processing unit 112, for receiving refrigerant liquid place value from data acquisition unit 111, according to refrigerant level
Value calculates the current refrigerant total amount of reservoir equipment 101, and calculates the default routine of current refrigerant total amount and reservoir equipment
The difference of total amount, obtains decrement, and sends alarm signal when the decrement got for continuous n times is satisfied by predetermined threshold value,
Alarm signal is used to point out the refrigerant of reservoir equipment to there is abnormal leakage, and n is the positive integer more than or equal to 1.
As can be seen that compared with refrigerant leakage detecting device 110 disclosed in embodiment one, what the embodiment of the present application was provided
Refrigerant leakage detecting device 110 includes data acquisition unit 111 and data processing unit 112, wherein, data acquisition unit
111 are arranged in refrigeration system 100, and are connected with data processing unit 112, are set for gathering the reservoir in refrigeration system 100
Standby 101 refrigerant liquid place value is simultaneously transferred to data processing unit 112.Data processing unit 112 is from data acquisition unit 111
Place is obtained after the refrigerant liquid place value of reservoir equipment 101, and the current refrigerant of reservoir equipment 101 is calculated according to refrigerant liquid place value
Total amount, and calculate the difference of the default conventional total amount of current refrigerant total amount and reservoir equipment 101, obtains decrement, and
The decrement (continuous n decrement) got for continuous n times is satisfied by sending alarm signal during predetermined threshold value, the alarm signal
There is abnormal leakage in the refrigerant for pointing out reservoir equipment 101, so that administrative staff or related maintenance personal can be timely
Carry out leak test.As can be seen that implementing the embodiment of the present application, refrigerant leakage detecting device 110 can gather refrigeration in real time
The refrigerant liquid place value of reservoir equipment 101 in system 100, according to the real-time change of refrigerant liquid place value, is automatically analyzed and really
Customize cryogen and whether there is abnormal leakage, and it is unattended it is determined that alarmed when abnormal, realizing, and leak detection precision
Compare high, cost is relatively low.
It is appreciated that in embodiment two data acquisition unit 111, in refrigeration system 100, and and data processing
Unit 112 is connected, for gathering the refrigerant liquid place value of the reservoir equipment 101 in refrigeration system 100 and being transferred to data processing
Unit 112；Data processing unit 112, connection data acquisition unit 111 and by internet connection server end 120, for from
Data acquisition unit 111 receives the refrigerant liquid place value of reservoir equipment 101, and reservoir equipment 101 is calculated according to refrigerant liquid place value
Current refrigerant total amount, and calculate the difference of the default conventional total amount of current refrigerant total amount and reservoir equipment 101, obtain
Decrement, and send when the decrement got for continuous n times is satisfied by predetermined threshold value alarm signal, it is above-mentioned and subsequently carried
And n be positive integer more than or equal to 1.
It is further appreciated that reservoir equipment 101 is the container for storing refrigerant, refrigeration system 100 is typically mounted on
The end of condenser, for storing the high-pressure refrigerant of condenser discharge, meanwhile, reservoir equipment 101 can be also prevented in condenser
In the presence of excessive refrigerant, to ensure the effective heat exchange area of condenser.It is used as a kind of optional embodiment, reservoir equipment
101 can be vertical Liquid storage container, horizontal Liquid storage container etc..
Embodiment three
Referring to Fig. 3, Fig. 3 is the structure that the disclosed refrigerant based on internet of the embodiment of the present application leaks early warning system
Schematic diagram；As shown in figure 3, a kind of refrigerant leakage early warning system based on internet may include：
Refrigerant leakage detecting device 110, the refrigerant level for gathering the reservoir equipment 101 in refrigeration system 100
Value, the current refrigerant total amount of reservoir equipment 101 is calculated according to refrigerant liquid place value, and calculate current refrigerant total amount and storage
The difference of the default conventional total amount of liquid equipment 101, obtains decrement；When the decrement got meets predetermined threshold value value, to
Server end 120 sends data message, the current refrigerant total amount of the data message including reservoir equipment 101, decrement and
The identity of reservoir equipment 101；
Server end 120, for generating early warning information according to the data message got, and sends pre- to user terminal
Alert information, early warning information is used to indicate that reservoir equipment 101 has refrigerant abnormal leakage.
Compared with embodiment one and embodiment two above, in embodiment three, (the tool of refrigerant leakage detecting device 110
Body is data processing unit 112) some data messages can be also sent to server end 120, these data messages include reservoir
The identity of the current refrigerant total amount of equipment 101, decrement and reservoir equipment 101, then server 120 receiving
After data message, early warning information is generated according to data message, and early warning information is sent to user terminal, to complete to user's
Early warning, can know that a certain reservoir equipment 101 in refrigeration system 100 there may be refrigerant leakage in time so as to user different
Often, so as to carry out refrigerant leakage investigation in time, it is ensured that the safety of refrigeration system 100, and whole system realizes collection
The remote monitoring of middleization, realizes unattended function, and cost is relatively low.
Alternatively, judge that the decrement calculated meets predetermined threshold value in refrigerant leakage detecting device 110, and receive clothes
During the access request at business device end 120, data message is sent to server end 120.
Based on to above-mentioned introduction, it will be understood that need to carry out being based on internet before technical scheme is implemented
Long-range leakage monitoring system, based on internet refrigerant leakage early warning system and refrigerant leakage detecting device 110 structure
Frame and related setting, will describe in detail in terms of three below：
Each reservoir equipment 101 is pre- in A1, the project data for consulting refrigeration system 100 manually, acquisition refrigeration system 100
Setting parameter, the parameter preset includes the level value K of refrigerant in the volume V of reservoir equipment 101, reservoir equipment 101 (at the beginning of framework
During the beginning, level value is the beginning level value of reservoir equipment 101, that is, conventional level value), the diameter R of reservoir equipment 101, storage
The density p (being density of the refrigerant under the operating temperature of reservoir equipment 101) of refrigerant stored by liquid equipment 101, Yi Jichang
Number C (the immeasurablel refrigerant quality in reservoir equipment 101), current refrigerant total amount M in reservoir equipment 101 is set up with this
With level value K machine equation.
The parameter preset and machine equation of each reservoir equipment 101 in refrigeration system 100 are set to service manually
In device end 120, while also machine equation is set into data processing unit 112.It is appreciated that will only can transport here
Equation is calculated to set into data processing unit 112, and parameter preset and machine equation are all set in server end 120,
One is that, in order to carry out the monitoring of centralization to refrigeration system 100 by server end 120, two be because data processing unit 112
In the computer room for being mounted in the side of refrigeration system 100, typically internal memory is not very big, and present position is nor very safe, not side
Just administrative staff are safeguarded, by the way that data resource is uniformly saved in server end 120, and server end 120 is typically
It is arranged in the safe management computer room of comparison, the convenient internal memory that expands carries out the preservation of data resource and carries out data maintenance.Certainly
It is further appreciated that in some applications, the parameter preset and machine equation of each reservoir equipment 101 can also be preserved together
Into data processing unit 112, then data processing unit 112, can be directly from local when carrying out refrigerant leak detection
These data resources of reading parameter preset, without being read again from server end 120, improve the processing of data processing unit 112
Efficiency.
Wherein, machine equation is according to the different and different of the type of reservoir equipment 101, for example, work as reservoir
When equipment 101 is vertical Liquid storage container, current refrigerant total amount M and level value K machine equation table in vertical Liquid storage container
Show as follows：
M=V* ρ * K+C formula 1
When reservoir equipment 101 is horizontal Liquid storage container, current refrigerant total amount M and level value K in horizontal Liquid storage container
Machine equation be expressed as follows：
M=ρ * (R2* (2*acos (1-2*K)-sin (2*acos (1-2*K)))/8) * 4 formula 2
M in formula 1 and formula 2 is that current refrigerant total amount in vertical Liquid storage container or horizontal Liquid storage container, V are
The volume of vertical Liquid storage container or horizontal Liquid storage container, R are that the diameter of vertical Liquid storage container or horizontal Liquid storage container, ρ are
The density of the refrigerant stored in vertical Liquid storage container or horizontal Liquid storage container, K are vertical Liquid storage container or horizontal reservoir
The level value of the refrigerant stored in container, C is constant (immeasurablel system in vertical Liquid storage container or horizontal Liquid storage container
Cryogen quantity).
A2, the precondition that the refrigerant liquid place value of reservoir equipment 101 in collection refrigeration system 100 is set.
In order to improve monitoring stability and accuracy, it should select to gather refrigerant when refrigeration system 100 is most stable of
Level value, refrigeration system 100 is off operation when most stable of when, therefore, the refrigerant liquid place value of collection reservoir equipment 101
It can select when refrigeration system 100 is out of service.Collection refrigerant level is set in data processing unit 112 manually
The precondition of value, data processing unit 112 detect refrigeration system 100 it is out of service when, trigger data acquisition unit 111
Go to gather refrigerant liquid place value.In another enforceable mode, detection refrigeration system can also be gone to by server end 120
Whether system 100 is out of service, and when refrigeration system 100 is out of service, goes trigger data to adopt by data processing unit 112
Collect the refrigerant liquid place value of the collection reservoir of unit 111 equipment 101.
A3, the testing conditions that the leakage of the refrigerant of refrigeration system 100 is set.
The total amount of the refrigerant of the initial fill of reservoir equipment 101 in refrigeration system 100 is regarded as and presets conventional total amount, and with
The default conventional total amount is used as reference point.Based on this, if the current refrigerant total amount of the reservoir equipment 101 detected is pre- more than this
If conventional total amount, judges the current refrigerant total amount as invalid data, if the current refrigerant of the reservoir equipment 101 detected is total
Amount calculates the difference of current refrigerant total amount and default conventional total amount, obtains decrement, and subtracting than default conventional total amount hour
When being not more than predetermined threshold value on a small quantity, the refrigeration system is judged to be normal, if decrement is more than the predetermined threshold value, judges refrigeration system
Unite as exception, and when decrement continuously maintains that n (n is the positive integer more than or equal to 1) is secondary to be all greater than predetermined threshold value, really
Refrigerant abnormal leakage in cooling system is customized, can advise carrying out leakage investigation to refrigeration system 100.Manually in data processing list
The threshold of the decrement for the refrigerant total amount that each reservoir equipment 101 in refrigeration system 100 allows is pre-set out in member 112
Value, obtains the predetermined threshold value of the decrement of the refrigerant total amount of each reservoir equipment 101.
It is appreciated that predetermined threshold value could be arranged to default conventional total amount m% (it is 100 for example to preset conventional total amount, that
M% default conventional total amount is that m), n is positive integer 3, that is, when the current refrigerant total amount of reservoir equipment 101 is than default
The decrement of conventional total amount is more than the m% of default conventional total amount, and the decrement detected for its continuous 3 times meets normal more than default
When advising the m% of total amount, then it can determine that the refrigerant in refrigeration system 100 is leaked, so as to be let out to refrigeration system 100
Omit in printing and look into.
Example IV
Based on above-mentioned framework, the function reality of unit disclosed in the embodiment of the present application will be described in further detail below
It is existing.Referring to Fig. 4, Fig. 4 is another structural representation of refrigerant leakage detecting device disclosed in the embodiment of the present application；Fig. 4 institutes
The refrigerant leakage detecting device 110 shown is shown in long-range leakage monitoring system based on internet and Fig. 2 with reference to shown in Fig. 1
Refrigerant leakage detecting device 110 optimize what is obtained；In the refrigerant leakage detecting device shown in Fig. 4, data are adopted
Collecting unit 111 includes at least one data acquisition equipment 1110 being arranged in the reservoir equipment 101 of refrigeration system 100, the number
Corresponded according to collecting device 1110 with the reservoir equipment 101 in refrigeration system 100, at the data acquisition equipment 1110 and data
Reason unit 112 is connected；
Wherein, data acquisition equipment 1110 is when refrigeration system 100 is out of service, for gathering corresponding reservoir equipment
101 refrigerant liquid place value is simultaneously transferred to data processing unit 112.
Further, data processing unit 112 is receiving the refrigerant liquid of each data acquisition equipment 1110 transmission
After place value, the type of the corresponding reservoir equipment 101 of data acquisition equipment 1110 is obtained from server end 120, then further according to class
Type selects the target machine equation that the type is matched from preset machine equation, and should from the acquisition of server end 120
The parameter preset of reservoir equipment 101, the parameter preset includes the volume, the diameter of reservoir equipment 101, reservoir of reservoir equipment 101
The density and constant of refrigerant stored by equipment 101, according to refrigerant liquid place value and the parameter preset, utilize target computing side
Formula calculates the current refrigerant total amount of correspondence reservoir equipment 101.Wherein, machine equation is according to the class of reservoir equipment 101
Type and pre-establish and be stored in data processing unit 112, such as above-mentioned formula 1 and formula 2, with specific reference to reservoir equipment 101
Type and it is different, type may indicate that reservoir equipment 101 belongs to which kind of equipment and the actual model in this kind of equipment
Deng.When reservoir equipment 101 is vertical Liquid storage container, current refrigerant total amount is calculated using above-mentioned formula 1, when reservoir equipment
101 be horizontal Liquid storage container when, current refrigerant total amount is calculated using above-mentioned formula 2.
Further, data processing unit 112 is after the current refrigerant total amount of reservoir equipment 101 is calculated, from service
Device end 120 obtains the default conventional total amount of the refrigerant of reservoir equipment, judges whether the current refrigerant total amount is less than default normal
Total amount is advised, if current refrigerant total amount is less than default conventional total amount, current refrigerant total amount and default conventional total amount is calculated
Difference, obtain the decrement of refrigerant in reservoir equipment 101.
Further, because data processing unit 112 is connected with server end 120 by internet, data processing unit
Data resource in 112, such as the refrigerant liquid place value of above-mentioned reservoir equipment 101, the current system for calculating obtained reservoir equipment 101
Cryogen total amount and decrement etc., are transferred to server end 120.Server end 120 preserves these data resources, management
Personnel or the user of acquirement authority can log on server end 120 by monitoring side 130, and refrigeration system 100 is understood in real time
Running situation, including in refrigeration system 100 reservoir equipment 101 current refrigerant total amount, when administrative staff or obtain power
When the user of limit thinks that current refrigerant total amount has occurred and that deviation, even if data processing unit 112 goes back no alarms and no surprises letter
Number, carry out leakage investigation that can also in time to refrigeration system 100, to accomplish to detect that refrigerant is different with the presence or absence of leaking in time
Often, the security of refrigeration system is improved.
It is further appreciated that with reference to above-described embodiment, server end 120 is connected with data processing unit 112 by internet
Connect, while being connected between server end 120 and monitoring side 130 also by internet.Server end 120 obtains refrigeration system in advance
The annexation between various equipment (including reservoir equipment 101) and various equipment in 100, sets up the refrigeration system 100
System model so that obtain the invention relates to predetermined system model, and by predetermined system model
Various equipment set parameter preset, that is, parameter preset and corresponding equipment are set up into incidence relation, for reservoir equipment 101
For, reservoir equipment 101 and its default conventional total amount are also set up into incidence relation.Server end 120 is from data processing unit 112
After the current refrigerant total amount for acquiring each reservoir equipment 101, by the corresponding reservoir equipment in predetermined system model and deserve
Preceding refrigerant total amount sets up incidence relation.
The browser that administrative staff or the user of acquirement authority pass through in monitoring side 130 inputs the address of server end 120, hair
Access request is sent to server end 120, result is returned to the browser of monitoring side 130, that is, browsed by server end 120
The predetermined system model of refrigeration system 100 is shown on device, the predetermined system model of display is then based on, checks reservoir equipment 101
Current refrigerant total amount and default conventional total amount so that administrative staff or user pass through to the current of reservoir equipment 101
The comparative analysis of refrigerant total amount and default conventional total amount, it is artificial to judge to whether there is abnormal leakage in refrigeration system 100.Can be with
Find out, server end 120 is used to preserve data resource, so that the user of administrative staff or acquirement authority can provide according to data
Source carries out artificial judgment, meanwhile, server end 120 preserves data resource, also for later maintenance and to refrigeration system
Management provide foundation.
Embodiment five
Referring to Fig. 5, Fig. 5 is the another of the disclosed refrigerant leakage early warning system based on internet of the embodiment of the present application
Structural representation；The leakage of the refrigerant based on internet early warning system shown in Fig. 5 is the refrigerant leakage inspection with reference to shown in Fig. 2
Survey device 110 and the leakage of the refrigerant based on the internet early warning system shown in Fig. 3 is optimized and obtained, in Figure 5, based on mutual
The refrigerant leakage early warning system of networking still further comprises user terminal 510, and the user terminal 510 and monitoring side 130 can be with
For same user or different user, user terminal can be smart mobile phone, Intelligent worn device, IPAD etc..
In Figure 5, server end 120 is total in the current refrigerant that reservoir equipment 101 is obtained at data processing unit 112
After the identity of amount, decrement and reservoir equipment 101, early warning information will be generated, then the early warning is sent to user terminal 510
Information, the early warning information is used to indicate that some reservoir equipment 101 has refrigerant abnormal leakage.
As a kind of optional embodiment, the account information of user terminal 510 is prestored in server end 120,
After generation early warning information, the account information of user terminal 510 is read from internal memory, early warning information is then sent to account
In information correspondence account, so as to realize in time and be accurately detected refrigerant there is abnormal leakage, and it can notify in time
To related personnel, to realize that leakage is investigated in time, it is ensured that the safety of refrigeration system.As can be seen that in this embodiment, server
120 actives are held to send early warning information to user terminal 510, and monitoring side 130 needs user to keep being connected with server end 120,
Access server end 120 is actively gone to obtain the relevant information of refrigeration system 100.
User terminal 510 can be one or more.When user terminal 510 has multiple, server end 120 can be same
When early warning information is sent to all user terminals 510；Or transmission priority, service are set for multiple user terminals 510
Early warning information is sent to the user terminal 510 of highest priority by device end 120, if not receiving priority most in preset time
The confirmation that high user terminal 510 is returned, will select the user terminal of highest priority from remaining user terminal 510
510 receive the early warning information, the like.
Server end 120 sends early warning information by preset mode to user terminal 510, it is preferable that the preset mode bag
Include short message way, PUSH message mode or e-mail sending formula.Therefore, correspondingly, the use stored in server end 120
The account information of family terminal 510 can be the phone number of the distribution such as Chinese Telecommunication Operator/operator of China Mobile, or postal
Case address etc..
Based on the embodiment of above-mentioned introduction, it is determined that after the generation refrigerant leakage of refrigeration system 100, related personnel is to refrigeration
The leakage of system 100 is detected, and leakage point is repaired after leakage point is detected, and after leak point is repaired,
Refrigerant is filled again to reservoir equipment 101.After filling refrigerant, by the numerical value of reacquisition reservoir equipment 101 and again
Parameter preset is set out, all systems are then restarted, with based on new parameter preset refrigeration system 100 is carried out in real time and
The monitoring of centralization.
As a kind of optional embodiment, above-mentioned data acquisition equipment 1110 is electronic level detector, reservoir equipment
101 be vertical Liquid storage container or horizontal Liquid storage container.
In a kind of optional embodiment, data processing unit 112 includes programmable logic controller (PLC)
(Programmable Logic Controller, abbreviation PLC).Data processing unit 112 and data acquisition equipment 1110 are one by one
Then correspondence, the refrigerant liquid place value for obtaining corresponding reservoir equipment from corresponding data acquisition equipment 1110 is carried out
Leak detection.
As a kind of optional embodiment, the refrigerant that the embodiment of the present application is provided can be ammonia refrigerant, freon
Refrigerant etc., especially when using freon refrigerant, due to freon refrigerant colorless and odorless, leakage is not easy to find, and
And it is also unfavorable to environment, after using technical scheme, freon refrigerant leakage can be timely detected, so as to enter
Row leakage investigation and repair, detection accuracy it is higher, also can effective guarantee refrigeration system periphery Environmental security.
In one kind application example, the long-range leakage monitoring system based on internet is used to monitor refrigeration system, refrigeration system
End sets 4 evaporators in system, and reservoir equipment includes horizontal Liquid storage container and low pressure recycle bucket, wherein, hold in horizontal reservoir
Radar type electronic liquid level gauge is separately installed with device and low pressure recycle bucket, accordingly, for each radar type electronic liquid level gauge
One PLC processing module is set, and the PLC processing modules are set in refrigeration systems.Each PLC processing modules by internet with
Server end is connected, when refrigeration system is out of service, radar type electronic liquid level gauge gather corresponding horizontal Liquid storage container or
Refrigerant liquid place value in low pressure recycle bucket, is then transferred to corresponding PLC processing modules, by corresponding PLC processing modules meter
The current refrigerant total amount of horizontal Liquid storage container or low pressure recycle bucket is calculated, then PLC processing modules judge its correspondence respectively
The corresponding reservoir equipment of radar type electronic liquid level gauge whether there is refrigerant abnormal leakage, when it is determined that there is abnormal leakage,
PLC processing modules send alarm signal, are alarmed, so that related personnel carries out leak detection.Meanwhile, PLC processing modules are also
Related data is sent to by server end by internet, related personnel logs on server by the browser of monitoring side, so
The related data of the reservoir equipment of refrigeration system is checked afterwards, so that artificially judge that refrigeration system whether there is abnormal leakage, and
Shi Jinhang is detected.Further, server end is also by according to the related data obtained from PLC processing modules, generation early warning letter
Breath, is then actively sent on user terminal, to remind the user of user terminal, and detection refrigeration system is with the presence or absence of leakage in time
It is abnormal.
Embodiment six
Referring to Fig. 6, Fig. 6 is the schematic flow sheet of refrigerant leakage detection method disclosed in the embodiment of the present application；Fig. 6 institutes
The refrigerant leakage detection method shown is applied in the refrigerant leakage detecting device 110 shown in Fig. 2, and this method may include：
601st, the refrigerant liquid place value of the reservoir equipment in collection refrigeration system；
It is appreciated that step 601 is performed by the data acquisition unit 111 in refrigerant leakage detecting device 110.
Wherein, when operation is off when refrigeration system 100 is most stable of, therefore, refrigerant liquid place value can be selected
Refrigeration system 100 is gathered when out of service, to ensure the accuracy of leak detection.
As a kind of optional embodiment, data acquisition unit 111 includes the reservoir equipment installed in refrigeration system 100
A pair of reservoir equipment 101 1 in data acquisition equipment 1110 in 101, the data acquisition equipment 1110 and refrigeration system 100
Should, the data acquisition equipment 1110 is connected with data processing unit 112；Wherein, data acquisition equipment 1110 is used to gather correspondence
Reservoir equipment 101 refrigerant liquid place value and be transferred to data processing unit 112.
602nd, the current refrigerant total amount of reservoir equipment is calculated according to refrigerant liquid place value；
Step 602~step 604 is performed by the data processing unit 112 in refrigerant leakage detecting device 110.
As a kind of optional embodiment, step 602 is specifically included：
Obtain the type of reservoir equipment and the parameter preset of reservoir equipment；Wherein, parameter preset includes the appearance of reservoir equipment
The density and constant of refrigerant stored by product, the diameter of reservoir equipment, reservoir equipment；
The target machine equation that the type is matched is selected from preset machine equation according to type, and according to system
Cryogen level value and parameter preset, the current refrigerant total amount of reservoir equipment is calculated using the target machine equation of selection.
It is to be appreciated that the type of reservoir equipment and the parameter preset of reservoir equipment can be stored in data processing unit 112
In, it can also be stored in server end 120, be not limited thereto.
603rd, the difference of the default conventional total amount of current refrigerant total amount and reservoir equipment is calculated, decrement is obtained；
As a kind of optional embodiment, step 603 is specifically included：
Obtain the default conventional total amount of the refrigerant of reservoir equipment；Judge whether current refrigerant total amount is less than default conventional
Total amount；When it is determined that current refrigerant total amount is less than default conventional total amount, current refrigerant total amount and default conventional total amount are calculated
Difference, obtain decrement.
It is appreciated that default routine total amount can be stored in data processing unit 112, server end can also be stored in
In 120, it is not limited thereto.
604th, alarm signal is sent when the decrement got at continuous n times is satisfied by predetermined threshold value, the alarm signal is used
There is abnormal leakage in the refrigerant of prompting reservoir equipment, n is the positive integer more than or equal to 1.
As can be seen that in the embodiment of the present application, the reservoir equipment 101 in the collection refrigeration system of data acquisition unit 111
Refrigerant liquid place value, then data processing unit 112 its current refrigerant total amount is calculated according to refrigerant liquid place value, go forward side by side one
Step obtains decrement according to current refrigerant total amount and the default conventional total amount of reservoir equipment, is met in continuous n decrement
During predetermined threshold value, alarm signal will be sent, it can be seen that the embodiment of the present application can be accurately detected in refrigeration system and whether deposited
Leakage investigation is carried out in refrigerant abnormal leakage, and alarm, the security of refrigeration system is improved.
Embodiment seven
Referring to Fig. 7, Fig. 7 is the signaling of the long-range leak supervision method based on internet disclosed in the embodiment of the present application
Figure；Method shown in Fig. 7 is applied in the long-range leakage monitoring system based on internet shown in Fig. 1, and this method includes：
701st, the refrigerant level of the reservoir equipment 101 in the collection of refrigerant leakage detecting device 110 refrigeration system 100
Value, the current refrigerant total amount of reservoir equipment 101 is calculated according to refrigerant liquid place value；
As some optional embodiments, refrigerant leakage detecting device 110 obtains type and the storage of reservoir equipment 101
The parameter preset of liquid equipment 101, according to the type target machine equation that Selective type is matched from preset machine equation,
And according to refrigerant liquid place value and parameter preset, the current refrigerant for calculating reservoir equipment using target machine equation is total
Amount, parameter preset includes the density of refrigerant stored by the volume, the diameter of reservoir equipment, reservoir equipment of reservoir equipment and normal
Number.
As some optional embodiments, refrigeration system 100 is off operation when most stable of when, therefore, refrigeration
Agent level value can select to gather when refrigeration system 100 is out of service, to ensure the accuracy of leak detection.
702nd, server 120 sends read requests to read current refrigerant total amount to refrigerant leakage detecting device 110；
703rd, the read requests that the reception server end 120 of refrigerant leakage detecting device 110 is sent, in response to read requests
Current refrigerant total amount is sent to server end 120；
704th, server end 120 obtains current refrigerant total amount, by the default of current refrigerant total amount and refrigeration system 100
The reservoir equipment in system model sets up incidence relation；
705th, monitoring side 130 sends access request to server end 120；
706th, server end 120 is when receiving the access request of the transmission of monitoring side 130, in response to access request and prison
Survey end 130 and set up communication connection；
707th, monitoring side 130 obtains predetermined system model and shown after communication connection is set up with server end 120, and
Predetermined system model based on display checks the current refrigerant total amount of reservoir equipment 101 to monitor the refrigeration of refrigeration system 100
Agent leakage situation.
As can be seen that implement the embodiment of the present application, the refrigerant liquid place value of reservoir equipment 101 in collection refrigeration system 100,
According to the real-time change of refrigerant liquid place value, the current refrigerant total amount of reservoir equipment 101 is calculated, then monitoring side 130 leads to
Access server end 120 is crossed to obtain the current refrigerant total amount of reservoir equipment 101, centralization is carried out to refrigeration system 100
Remote monitoring, accuracy of detection is higher, and cost is relatively low.
Embodiment eight
Fig. 8 is refer to, Fig. 8 is the flow that the disclosed refrigerant based on internet of the embodiment of the present application leaks method for early warning
Schematic diagram；Method shown in Fig. 8 is applied in the leakage early warning system of the refrigerant based on internet shown in Fig. 3, shown in Fig. 8
Method in, including：
801st, the refrigerant liquid place value of the reservoir equipment in the collection of refrigerant leakage detecting device 110 refrigeration system；
It is appreciated that step 801 is specifically performed by the data acquisition unit 111 in refrigerant leakage detecting device 110.
Wherein, when operation is off when refrigeration system 100 is most stable of, therefore, refrigerant liquid place value can be selected
Refrigeration system 100 is gathered when out of service, to ensure the accuracy of leak detection.
As a kind of optional embodiment, data acquisition unit 111 includes the reservoir equipment installed in refrigeration system 100
A pair of reservoir equipment 101 1 in data acquisition equipment 1110 in 101, the data acquisition equipment 1110 and refrigeration system 100
Should, the data acquisition equipment 1110 is connected with data processing unit 112；Wherein, data acquisition equipment 1110 is used to gather correspondence
Reservoir equipment 101 refrigerant liquid place value and be transferred to data processing unit 112.
802nd, the current refrigerant that refrigerant leakage detecting device 110 calculates reservoir equipment according to refrigerant liquid place value is total
Amount；
Step 802~step 804 is specifically performed by the data processing unit 112 in refrigerant leakage detecting device 110.
As a kind of optional embodiment, step 802 is specifically included：
Obtain the type of reservoir equipment and the parameter preset of reservoir equipment；Wherein, parameter preset includes the appearance of reservoir equipment
The density and constant of refrigerant stored by product, the diameter of reservoir equipment, reservoir equipment；
The target machine equation that the type is matched is selected from preset machine equation according to type, and according to system
Cryogen level value and parameter preset, the current refrigerant total amount of reservoir equipment is calculated using the target machine equation of selection.
It is to be appreciated that the type of reservoir equipment and the parameter preset of reservoir equipment can be stored in data processing unit 112
In, it can also be stored in server end 120, be not limited thereto.
803rd, refrigerant leakage detecting device 110 calculates the default conventional total amount of current refrigerant total amount and reservoir equipment
Difference, obtains decrement, judges whether decrement meets predetermined threshold value；
As a kind of optional embodiment, step 803 is specifically included：
Obtain the default conventional total amount of the refrigerant of reservoir equipment；Judge whether current refrigerant total amount is less than default conventional
Total amount；When it is determined that current refrigerant total amount is less than default conventional total amount, current refrigerant total amount and default conventional total amount are calculated
Difference, obtain decrement.
It is appreciated that default routine total amount can be stored in data processing unit 112, server end can also be stored in
In 120, it is not limited thereto.
804th, when judging that decrement meets predetermined threshold value, refrigerant leakage detecting device 110 is current by reservoir equipment
Refrigerant total amount, decrement and identity are sent to server end 120；
805th, server end 120 is according to the identity of the current refrigerant total amount, decrement and reservoir equipment of reservoir equipment
Mark generation early warning information, and early warning information is sent to user terminal, the early warning information is used to indicate that reservoir equipment has refrigeration
Agent abnormal leakage.
Some data messages can be also sent to by refrigerant leakage detecting device 110 (being specifically data processing unit 112)
Server end 120, these data messages include current refrigerant total amount, decrement and the reservoir equipment 101 of reservoir equipment 101
Identity, then server 120 early warning information is generated according to data message after data message is received, and by early warning
Information is sent to user terminal, to complete the early warning to user, so as to user can know in time it is a certain in refrigeration system 100
Reservoir equipment 101 there may be refrigerant abnormal leakage, so as to carry out refrigerant leakage investigation in time, realize unattended
Function, it is ensured that the safety of refrigeration system 100, cost is relatively low.
As can be seen that in the embodiment of the present application, refrigerant leakage detecting device 110 includes the He of data acquisition unit 111
Data processing unit 112, wherein, data acquisition unit 111 is used for the refrigeration for gathering the reservoir equipment 101 in refrigeration system 100
Agent level value, data processing unit 112 calculates the current refrigerant total amount of reservoir equipment 101 according to refrigerant liquid place value, and
The difference of current refrigerant total amount and the default conventional total amount of reservoir equipment is calculated, decrement is obtained, and get at continuous n times
Decrement be satisfied by sending alarm signal during predetermined threshold value, n is positive integer more than or equal to 1, with specific reference to practical application
Environment determines that the refrigerant leakage detecting device 110 can obtain the real-time refrigerant liquid place value of reservoir equipment 101, Ran Hougen
Current refrigerant total amount is calculated according to refrigerant liquid place value, refrigeration system is recognized with the situation of change according to current refrigerant total amount
It whether there is abnormal leakage in system, detection accuracy is higher, and when identifying abnormal leakage, alarm signal is sent in time,
To notify that related personnel carries out leakage investigation, it is ensured that the safety of refrigeration system.Further, refrigerant leakage detecting device 110
The current refrigerant total amount and decrement for also obtaining the refrigerant liquid place value collected, calculating, and correspondence reservoir equipment
The information such as identity are sent to server end by internet, and server end can be according to the information generation early warning letter received
Breath, is subsequently sent in user terminal, to realize timely early warning, so as to carry out leakage investigation in time, it is ensured that refrigeration system
Safety and realize unattended function.Finally, server end is also based on the predetermined system model of refrigeration system, will connect
Receive information reservoir equipment corresponding in predetermined system model and set up incidence relation, so that monitoring side passes through access server end
The associated various information of reservoir equipment in the predetermined system model and predetermined system model are checked, and then monitoring side being capable of root
It is investigated that the information analysis refrigeration system seen whether there is abnormal leakage, investigated with carrying out leakage in time, it is ensured that refrigeration system is pacified
Entirely, meanwhile, the monitoring of remote centralized will be also realized to refrigeration system, realize it is unattended, and can know in time refrigeration system
System whether there is abnormal leakage.
Embodiment nine
Referring to Fig. 9, Fig. 9 is the structural representation that the refrigerant disclosed in the present application based on internet leaks prior-warning device
Figure.As shown in figure 9, refrigerant leakage prior-warning device that should be based on internet can include：
Electronic level detector 901, controller 902 and main control device 903, controller 902 include first processor 9021
And second processing device 9022.
Wherein, electronic level detector 901 connected respectively by connecting line controller 902 first processor 9021 and
Reservoir equipment in refrigeration system, first processor 9021 connects second processing device 9022, second processing device by connecting line
9022 connect main control device 9023 by connecting line, and electronic level detector 901 is used for the refrigerant level for gathering reservoir equipment
Value, and it is transferred to first processor 9021.
First processor 9021 is used for the current refrigerant total amount that reservoir equipment is calculated according to refrigerant liquid place value, and transmits
To second processing device 9022.
Second processing device 9022 is used for the difference for calculating current refrigerant total amount and the default conventional total amount of reservoir equipment, makees
For decrement, and when decrement meets preset threshold condition, by data information transfer to main control device 903, the data message
The identity of current refrigerant total amount, decrement and reservoir equipment including reservoir equipment.
Main control device 903 is transmitted to specified use for generating early warning information according to data message, and changing early warning information
Family terminal.
Optionally, electronic level detector 901 is arranged in above-mentioned reservoir equipment.
Optionally, second processing device 9022 be used for after refrigerant liquid place value is collected, obtain reservoir equipment type and
The parameter preset of reservoir equipment, the target operational equation that the type is matched is selected according to the type from preset machine equation
Formula, and according to above-mentioned refrigerant liquid place value and the parameter preset, reservoir equipment is calculated using the target machine equation
Current refrigerant total amount, wherein, the volume, the diameter of reservoir equipment, reservoir equipment that the parameter preset includes reservoir equipment are stored up
Deposit the density and constant of refrigerant.
Optionally, second processing device 9022 is used for the default conventional total amount for obtaining the refrigerant of reservoir equipment, judges current
Whether refrigerant total amount is less than the default conventional total amount of prior-warning device, and when current refrigerant total amount is less than default conventional total amount,
The difference of current refrigerant total amount and default conventional total amount is calculated, decrement is used as.
Optionally, main control device 903 is used for the account information for obtaining pre-stored user terminal, will be pre- by preset mode
Alert information is sent in the corresponding user terminal of prior-warning device account information, is changed preset mode and is disappeared including short message way, push
Breath mode or e-mail sending formula.
Optionally, as shown in figure 9, the controller 902 can also include alarm module 9023, wherein, alarm module 9023
Second processing device 9022 is connected by connecting line, alarm module 9023 is used for when the decrement got meets preset threshold condition
When, alarm signal is sent, the alarm signal is used to point out the refrigerant of reservoir equipment to there is abnormal leakage.
It can be seen that, system can be accurately detected out by implementing the leakage prior-warning device of the refrigerant based on internet described by Fig. 9
Cooling system whether there is abnormal leakage, timely early warning, to be investigated in time, it is ensured that the safety of refrigeration system.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
To instruct the hardware of correlation to complete by program, the program can be stored in a computer-readable recording medium, storage
Medium include read-only storage (Read-Only Memory, ROM), random access memory (Random Access Memory,
RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits
Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only storage (One-
Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only storage
(Electrically-Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact
Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can
For carrying or any other computer-readable medium of data storage.
A kind of refrigerant leakage prior-warning device based on internet disclosed in the embodiment of the present application has been carried out in detail above
Introduce, specific case used herein is set forth to the principle and embodiment of the application, the explanation of above example
It is only intended to help and understands the present processes and its core concept；Simultaneously for those of ordinary skill in the art, according to this
The thought of application, be will change in specific embodiments and applications, in summary, and this specification content should not
It is interpreted as the limitation to the application.
Claims (6)
1. a kind of refrigerant leakage prior-warning device based on internet, it is characterised in that including：
Electronic level detector, controller and main control device, the controller include first processor and second processing device；
Wherein, the reservoir that the electronic level detector is connected in the controller and refrigeration system respectively by connecting line is set
Standby, the electronic level detector is used for the refrigerant liquid place value for gathering the reservoir equipment, and is transferred to first processing
Device；
The first processor is used for the current refrigerant total amount that the reservoir equipment is calculated according to the refrigerant liquid place value, and
Pass to the second processing device；
The second processing device is used for the difference for calculating the current refrigerant total amount and the default conventional total amount of the reservoir equipment
Value, as decrement, and when the decrement meets preset threshold condition, by data information transfer to the main control device；
The data message includes the identity of the current refrigerant total amount, the decrement and the reservoir equipment of the reservoir equipment
Mark；
The main control device is used to generate early warning information according to the data message, and the early warning information is transmitted to specified
User terminal.
2. device according to claim 1, it is characterised in that the electronic level detector is arranged on the reservoir equipment
In.
3. device according to claim 1 or 2, it is characterised in that
The second processing device is used for after the refrigerant liquid place value is collected, and obtains the type of the reservoir equipment and described
The parameter preset of reservoir equipment, the target computing of the type matching is selected according to the type from preset machine equation
Equation, and according to the refrigerant liquid place value and the parameter preset, institute is calculated using the target machine equation
State the current refrigerant total amount of reservoir equipment, the parameter preset includes the volume of the reservoir equipment, the reservoir equipment
The density and constant of refrigerant stored by diameter, the reservoir equipment.
4. device according to claim 1 or 2, it is characterised in that
The second processing device is used for the default conventional total amount for obtaining the refrigerant of the reservoir equipment, judges the current refrigeration
Whether agent total amount is less than the default conventional total amount, and when the current refrigerant total amount is less than the default conventional total amount,
The difference of the current refrigerant total amount and the default conventional total amount is calculated, decrement is used as.
5. device according to claim 1, it is characterised in that the main control device is used to obtain pre-stored user terminal
Account information, the early warning information is sent in the corresponding user terminal of the account information by preset mode, it is described
Preset mode includes short message way, PUSH message mode or e-mail sending formula.
6. device according to claim 1, it is characterised in that the controller also includes alarm module, wherein：
The alarm module is used for when the decrement got meets predetermined threshold value, sends alarm signal, the alarm signal
There is abnormal leakage in the refrigerant for pointing out the reservoir equipment.
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| CN107703837A (en) * | 2017-11-21 | 2018-02-16 | 成都大学 | Convenient chain shop monitoring system and its monitoring method based on Internet of Things |
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| CN107703837A (en) * | 2017-11-21 | 2018-02-16 | 成都大学 | Convenient chain shop monitoring system and its monitoring method based on Internet of Things |
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