CN111324153B - Flow monitoring device and flow monitoring method - Google Patents
Flow monitoring device and flow monitoring method Download PDFInfo
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- CN111324153B CN111324153B CN202010129515.7A CN202010129515A CN111324153B CN 111324153 B CN111324153 B CN 111324153B CN 202010129515 A CN202010129515 A CN 202010129515A CN 111324153 B CN111324153 B CN 111324153B
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000012806 monitoring device Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 271
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims 2
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- 230000004044 response Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000001954 sterilising effect Effects 0.000 description 5
- 102000004190 Enzymes Human genes 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 230000001502 supplementing effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
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- 230000002159 abnormal effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
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- 230000000249 desinfective effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000002637 fluid replacement therapy Methods 0.000 description 1
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The invention discloses a flow monitoring device and a flow monitoring method, wherein the flow monitoring device comprises a flowmeter, a main barrel, a power pump, a control valve group and a sub-barrel group which are connected in series with the flowmeter, wherein at least one of the main barrel, the power pump, the control valve group and the sub-barrel group are respectively connected in series with the main barrel; and is further provided with a control module comprising a control unit and a storage unit. The flowmeter, the control valve and the control module are connected by signals, a first signal and a second signal can be generated and transmitted to the control unit, and the control unit can obtain basic information such as the liquid adding time and the liquid adding amount of a specific sub-barrel through analysis of the first signal and the second signal. According to the invention, only one flowmeter is needed, and the flow recording of at least one main barrel and a plurality of branch pipelines corresponding to the main barrel can be realized through signal connection among the flowmeter, the control valve and the control module, so that the pipeline layout is simplified, the use of components is reduced, and the project cost control and the optimization of pipeline design are facilitated.
Description
Technical Field
The invention relates to a flow monitoring technology of a medical cleaning and disinfecting link, in particular to a flow monitoring device and a flow monitoring method.
Background
In the field of medical cleaning and sterilizing equipment, accurate metering, proportioning and automatic addition of cleaning enzyme liquid or sterilizing enzyme liquid flowing into the cleaning and sterilizing equipment are required to realize the automatic control of the medical cleaning and sterilizing process.
When the liquid flow management relates to a plurality of branch pipelines and the flow is required to be recorded, the related components are quite numerous, and the current practice generally needs to be provided with corresponding flow meters on each branch pipeline so as to record the flow of the cleaning enzyme liquid or the sterilizing enzyme liquid, so that more flow meters are required, the designed pipeline layout and wiring layout are more complex, and the project cost control and the simplification of the pipeline design are not facilitated.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides a flow monitoring device and a flow monitoring method, wherein the flow monitoring device comprises a flowmeter, a main barrel, a power pump, a control valve group and a sub-barrel group which are connected in series with the flowmeter, wherein at least one of the main barrel, the power pump, the control valve group and the sub-barrel group is respectively connected in series with the main barrel; and is further provided with a control module comprising a control unit and a storage unit. The flowmeter, the control valve and the control module are connected through signals, a first signal and a second signal can be generated and transmitted to the control unit, and the control unit can obtain basic information such as the liquid adding time and the liquid adding amount of a specific sub-barrel through analysis of the first signal and the second signal. According to the invention, only one flowmeter is needed, and the flow recording of at least one main barrel and a plurality of branch pipelines corresponding to the main barrel can be realized through signal connection among the flowmeter, the control valve and the control module, so that the pipeline layout is simplified, the use of components is reduced, and the project cost control and the optimization of pipeline design are facilitated.
The invention solves the technical problems, and the adopted technical scheme is as follows:
a flow monitoring device comprises a main barrel, a power pump, a control valve group and a barrel dividing group; at least one main barrel is arranged; the number of the power pumps, the control valve groups and the barrel dividing groups is respectively corresponding to the number of the main barrels one by one; the control valve group is provided with at least one control valve, and the barrel dividing group is provided with barrel dividing numbers which are in one-to-one correspondence with the number of the control valves;
the main barrel, the corresponding power pump, the corresponding control valve group and the corresponding sub-barrel are respectively and sequentially connected in series; in the control valve group, each control valve is connected in parallel; the control valve is connected with the sub-barrel corresponding to the control valve in series;
the device also comprises a flowmeter; the flowmeter is totally one and is connected in series between the main barrel and the control valve group;
the system also comprises a control module; the control module is at least in signal connection with the control valve group and the flowmeter.
When the number of the main barrels is one, the flow meter is connected in series between the main barrels and the power pump or between the power pump and the control valve group;
when the number of the main barrels is plural; the main barrels are connected in parallel; the power pump corresponding to each main barrel is respectively connected with one end of the flowmeter in series, and the control valve group corresponding to each main barrel is respectively connected with the other end of the flowmeter in series;
the control module comprises a control unit and a storage unit, and the control unit is respectively connected with the power pump, the control valve group and the barrel dividing unit in a signal manner; and the storage unit is in signal connection with the control valve group and the flowmeter.
Further, in the sub-tank group, each corresponding sub-tank is respectively provided with a sub-tank high liquid level value, a sub-tank low liquid level value and a sub-tank liquid level sensor; when the sub-tank liquid level of the corresponding sub-tank is lower than the sub-tank low liquid level value, the corresponding sub-tank liquid level sensor can send a sub-tank low liquid level signal to the control unit; when the sub-tank liquid level of the corresponding sub-tank is higher than the sub-tank high liquid level value, the corresponding sub-tank liquid level sensor can send a sub-tank high liquid level signal to the control unit;
each main barrel is respectively provided with a main barrel high liquid level value, a main barrel low liquid level value and a main barrel liquid level sensor; when the main barrel liquid level of the corresponding main barrel is lower than the main barrel low liquid level value, the corresponding main barrel liquid level sensor can send a main barrel low liquid level signal to the control unit; when the main barrel liquid level of the corresponding main barrel is higher than the main barrel high liquid level value, the corresponding main barrel liquid level sensor can send a main barrel high liquid level signal to the control unit.
The invention also provides a flow monitoring method, which adopts the flow monitoring device and comprises the following steps:
step S1: when the liquid level of a certain sub-tank in the sub-tank group is lower than the sub-tank low liquid level value, a sub-tank liquid level sensor in the sub-tank generates a sub-tank low liquid level signal and feeds the sub-tank low liquid level signal back to the control unit:
step S2: step S2 includes step S22, where the control unit performs step S22 after receiving the sub-tank low liquid level signal: the control unit controls to open a corresponding control valve in the control valve group, starts a corresponding power pump, and adds liquid to the sub-barrels generating the sub-barrel low liquid level signals; simultaneously, the flowmeter starts to record the flow value, and the control valve and/or the flowmeter generate a first signal and feed the first signal back to the storage unit;
step S3: when the liquid level of a certain sub-tank in the sub-tank group reaches a sub-tank high liquid level value, a sub-tank liquid level sensor in the sub-tank generates a sub-tank high liquid level signal and feeds the sub-tank high liquid level signal back to the control unit;
step S4: after receiving the sub-tank high liquid level signal, the control unit stops the operation of the corresponding power pump, closes the corresponding control valve in the control valve group, and stops adding liquid to the sub-tank generating the sub-tank high liquid level signal; resetting a flow value in the flowmeter; the control valve and/or the flow meter generates a second signal and feeds it back to the storage unit.
In the flow monitoring method, the first signal at least comprises the time when the corresponding control valve is opened; the second signal includes at least a flow value recorded by the flow meter.
Further, in the above flow monitoring method, each group of component barrels includes a 1 st sub-barrel, a 2 nd sub-barrel, a … x-th sub-barrel, and a … n-th sub-barrel; each group of control valve groups comprises a 1 st control valve, a 2 nd control valve, a … x control valve and a … n control valve; the xth sub-barrel is correspondingly connected with the xth control valve in series;
setting the certain sub-barrel in the step S1 as an xth sub-barrel;
the step S2 further includes a step S21, and after the control unit receives the corresponding sub-tank low liquid level signal, the step S2 first includes a step S21: the control unit performs a second judgment: judging whether the 1 st sub-barrel to the x-1 st sub-barrel corresponding to the main barrel does not exist in the same time period, and sending a low liquid level signal of the sub-barrel to the control unit;
if the second judgment is yes, continuing to execute the step S22, and adding liquid to the xth sub-tank which sends out the sub-tank low liquid level signal in the sub-tank group.
If the second judgment is no, the execution of the step S22 is suspended, and the liquid feeding to the xth sub-barrel in the sub-barrel group is suspended; the control unit screens out the 1 st sub-barrel to the x-1 st sub-barrel which send out the sub-barrel low liquid level signals, the sub-barrels which are at the forefront in sequence order, opens the control valve corresponding to the sub-barrel in the control valve group, starts the corresponding power pump, and adds liquid to the sub-barrel which generates the sub-barrel low liquid level signals and is ordered in front;
and the sub-tank liquid level sensors in the sub-tank from the 1 st sub-tank to the x-1 st sub-tank no longer send sub-tank low liquid level signals to the control unit in the same period.
Further, in the above flow monitoring method, the main barrel includes a 1 st main barrel, a 2 nd main barrel, a … y-th main barrel, and a … m-th main barrel;
the corresponding sub-tank low liquid level signals generated in the step S1 are as follows: in the sub-barrel group corresponding to the y-th main barrel, the x-th sub-barrel generates a corresponding sub-barrel low liquid level signal;
the second judgment is as follows: whether the sub-barrel group corresponding to the y-th main barrel does not exist exists or not, and the 1 st sub-barrel to the x-1 st sub-barrel send out the corresponding sub-barrel low liquid level signals;
step S2 is to perform a first judgment before performing a second judgment;
step S2 further includes step S20, and after the control unit receives the sub-tank low level signal, step S20 is performed first, before step S21: the control unit performs a first judgment: judging whether the 1 st main barrel to the y-1 st main barrel do not exist, and generating a low liquid level signal of the excessive barrel by any corresponding sub-barrels;
if the first determination is yes, the step S21 is continued.
If the first judgment is no, suspending the step S21, and suspending the liquid feeding to the x-th sub-barrel in the sub-barrel group corresponding to the y-th main barrel; the control unit screens out the 1 st sub-barrel to the x-1 st sub-barrel corresponding to the 1 st main barrel to the y-1 st main barrel which send out the sub-barrel low liquid level signals to the control unit, the sub-barrels which are positioned at the forefront position on the priority order of the main barrels and the sorting order of the sub-barrels are sequentially ordered, control valves corresponding to the main barrel and the sub-barrels in the control valve group are opened, corresponding power pumps are started, and liquid adding is started to the sub-barrels which generate the sub-barrel low liquid level signals and are ordered in front;
and the sub-tank liquid level sensors in the sub-tank from the 1 st sub-tank to the x-1 st sub-tank corresponding to the 1 st main tank to the y-1 st main tank do not send sub-tank low liquid level signals to the control unit in the same time period.
Further, in the above flow monitoring method, in step S2, the method further includes determining whether the liquid level of the main barrel is lower than the low liquid level value of the main barrel, and the determining is before the control unit controls to open the corresponding control valve in the control valve group;
if yes, the corresponding control valve in the control valve group is stopped to be opened, and oiling is carried out on the main barrel which sends out the low liquid level value of the main barrel until the liquid level of the main barrel returns to the high liquid level value of the main barrel;
if not, the control unit controls to open the corresponding control valve in the control valve group;
setting the execution time T of the step S2; when step S2 meets the requirement of T between the execution, judging whether the liquid level of the corresponding sub-tank in the sub-tank reaches a sub-tank high liquid level value;
if yes, continuing the step S3;
if not, the following steps of the step S2 are paused, and the control unit sends the information to the display unit or the external communication system.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the invention, only one flowmeter is needed, and the flow recording of at least one main barrel and a plurality of branch pipelines corresponding to the main barrel can be realized through signal connection among the flowmeter, the control valve and the control module, so that the pipeline layout is simplified, the number of components is reduced, and the project cost control and the optimization of pipeline design are facilitated.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is an overall flow chart of one embodiment of the present invention.
FIG. 2 is a flow chart of a response when the liquid level is low for multiple sub-tanks at the same time, in accordance with one embodiment of the present invention.
FIG. 3 is a flow chart of a response when the liquid level is low for a plurality of actively corresponding sub-tanks at the same time, according to an embodiment of the present invention.
Fig. 4 is a signal transmission diagram of relevant components of an embodiment of the present invention.
FIG. 5 is a flow chart of a response when the main tank level is low in accordance with one embodiment of the present invention.
FIG. 6 is a response flow chart when the step S2 reaches a preset value according to an embodiment of the present invention.
Fig. 7 is a device layout diagram of a single main barrel according to an embodiment of the present invention.
Fig. 8 is a layout diagram of an apparatus for a plurality of main barrels according to an embodiment of the present invention.
In the drawings, the reference numerals and corresponding part names:
1-main barrel, 2-flowmeter, 3-power pump, 4-control valve group, 5-sub barrel group, 6-control module, 61-display unit, 62-control unit, 63-storage unit
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
The flow device and the flow monitoring method are designed for realizing effective flow monitoring while having a more simplified pipeline layout. In the flow monitoring process of the whole pipeline system, no matter how many sub-barrels are, how many branches are, only one flowmeter is used, so that flow monitoring can be realized on the liquid supplementing condition of all sub-barrels, and the device of the application is introduced firstly:
in some embodiments, a flow monitoring device as shown in fig. 7 and 8 includes a main tank 1, a power pump 3, a control valve bank 4, and a sub-tank bank 5. The main barrel 1 can be only one as shown in fig. 7, or can be simultaneously connected with a plurality of barrels in parallel as shown in fig. 8. The control valve group 4 is provided with a plurality of control valves connected in parallel, and the sub-barrel group 5 is provided with sub-barrels corresponding to the control valves one by one. The number of the power pumps 3, the control valve groups 4 and the sub-barrel groups 5 corresponds to the number of the main barrels 1. The main barrel 1 is connected with the power pump 3, the control valve group 4 and the sub-barrel group 5 which correspond to the main barrel in series. In the control valve group 4, each of the control valves is connected in parallel. The control valve is connected with the sub-barrels corresponding to the control valve in series.
Further comprising a flow meter 2; the flowmeter 2 is one in total. When the number of the main tanks 1 is one as shown in fig. 7, the flow meter 2 is connected in series between the main tank 1 and the power pump 3 or between the power pump 3 and the control valve group 4. When the number of the main barrels 1 is plural as shown in fig. 8, the main barrels 1 are connected in parallel. The power pump 3 corresponding to each main barrel 1 is respectively connected with one end of the flow meter 2 in series, and the control valve group 4 corresponding to each main barrel 1 is also respectively connected with the other end of the flow meter 2 in series, so that when the power pump 3 is closed, the pipeline circulation is cut off, and the control valve group 4 is positioned behind the flow meter 2, when the unique power pump 3 and the unique control valve are opened, the unique pipeline circulation is determined, and the condition that liquid of a plurality of main barrels 1 simultaneously flows to the flow meter 2 is not ensured. The flow meter 2 is used for counting the flow of the main barrel 1 flowing through each sub-barrel, and the flow meter 2 can be arranged in a way of counting the flow of all sub-barrels.
As shown in fig. 7 and 8, further comprising a control module 6; the control module 6 comprises a display unit 61, a control unit 62 and a storage unit 63. As shown in fig. 4, the control unit 62 is respectively connected with the power pump 3, the control valve group 4 and the barrel grouping 5 in a signal manner. Meanwhile, each sub-barrel in the sub-barrel group 5 is provided with a sub-barrel liquid level sensor, and the sub-barrel liquid level sensor is preferably a floating ball liquid level sensor with good economy and convenient use; as can be seen from fig. 4, 7 and 8, when the liquid level of the corresponding sub-tank in the sub-tank group 5 is lower than the sub-tank low liquid level value, the sub-tank liquid level sensor sends a sub-tank low liquid level signal to the control unit 62, and after receiving the signal, the control unit 62 can send an opening instruction to the corresponding control valve in the power pump 3 and the control valve group 4 to realize the liquid feeding of the main tank 1 to the corresponding sub-tank, meanwhile, the flowmeter 2 synchronously starts to record the flow value, and the corresponding control valve can transmit own opening time information as a first signal to the storage unit 63; after the sub-tank is filled, a sub-tank high liquid level signal is sent to the control unit 62 through the sub-tank liquid level sensor, and after the control unit 62 receives the signal, a closing instruction can be sent to corresponding control valves in the power pump 3 and the control valve group 4 so as to realize that the main tank 1 stops filling the corresponding sub-tank; meanwhile, the flowmeter 2 transmits the recorded flow value information, the corresponding control valve transmits the closing time information of the flowmeter 2 as a second signal to the storage unit 63, and then the flowmeter 2 clears the recorded flow value. At this time, the storage unit 63 simultaneously stores the first signal and the second signal, that is, collects the opening time and closing time of the corresponding control valve, and the flow value recorded by the flowmeter 2, according to these information, the time when the specific sub-tank starts to add liquid, and the amount of liquid added can be obtained, then the first signal and the second signal are transmitted to the display unit 61, the time when the sub-tank starts to add liquid, the time when the specific sub-tank starts to add liquid, and the amount of liquid added are displayed by the display unit 61, so that the staff can timely know the liquid adding condition of each sub-tank, and realize real-time monitoring, and meanwhile, the first signal or the second signal can also increase the information about whether the power pump 3 is opened, so as to know whether the main tank 1 is adding liquid to the sub-tank, and increase the opening time and closing time information about the power pump 3, so as to know the work starting time of the main tank 1 and the liquid adding time of the main tank 1, and the like, and according to the work requirement, the monitoring can be realized by only one flowmeter 2.
In some embodiments, a main tank liquid level sensor is arranged in the main tank 1, and a main tank high liquid level value and a main tank low liquid level value are preset in the main tank 1. Thus, as shown in fig. 4, when the main tank liquid level is lower than the main tank low level value, the main tank liquid level sensor can send the main tank low level signal to the control unit 62, and after receiving the signal, the control unit 62 sends a related instruction to the power pump 3 and the corresponding control valve to close the power pump, so as to cut off the liquid adding action of the main tank 1 as the corresponding sub tank, and in order to make the staff know, the information can be transmitted to the display unit 61 or other external communication systems capable of making the staff know through signal connection, so as to add corresponding liquid to the main tank 1 in time; of course, in order to make the whole system more intelligent, an automatic liquid adding system can be added, when the liquid level in the main barrel 1 is lower than the low liquid level value of the main barrel, the control unit 62 is informed by signal transmission, and then the control unit 62 sends an instruction to the automatic liquid adding system to enable the automatic liquid adding system to generate the action of supplementing liquid for the main barrel 1, so that the action is briefly described, not shown in the figure, and according to the brief description, a person skilled in the art can consider adding according to actual application scenes or specific working economy. After the main tank 1 is replenished with liquid to the high level value of the main tank, the main tank level sensor can send a high level signal of the main tank to the control unit 62, for example, the control unit 62 opens the power pump 3 and the corresponding control valve again to recover the liquid adding action of the corresponding sub-tank, and of course, the step can also be realized by adopting an automatic liquid adding system, and the related flow is not described here.
The device of the application is also provided with a matched using method, and the auxiliary agent flow monitoring process can be more effectively realized through the matching of the using method and the device of the application, and the following embodiments are used for detailing:
in some embodiments, as shown in fig. 1, a flow monitoring method includes:
step S1: when the liquid level of a certain sub-tank in the sub-tank group 5 is lower than the low liquid level value of the sub-tank, the sub-tank liquid level sensor in the sub-tank generates a low liquid level signal of the sub-tank and feeds the low liquid level signal back to the control unit 62;
step S2: step S2 includes step S22, and after receiving the sub-tank low level signal, the control unit 62 performs step S22: the control unit 62 opens the corresponding control valve in the control valve group 4, starts the corresponding power pump 3, and starts to feed liquid into the sub-tank generating the sub-tank low liquid level signal; at the same time, the flowmeter 2 starts to record the flow value flowing through the flowmeter, the control valve generates information including the opening time, and the flow value recorded by the flowmeter 2 and/or the opening time information generated by the control valve are fed back to the storage unit 63 as a first signal; at this time, the pipeline between the main barrel 1 and the corresponding sub-barrel is opened, and the main barrel 1 starts to feed liquid into the corresponding sub-barrel;
step S3: when the liquid level of a certain sub-tank in the sub-tank group 5 reaches a sub-tank high liquid level value, the corresponding sub-tank liquid level sensor generates a sub-tank high liquid level signal and feeds the sub-tank high liquid level signal back to the control unit 62;
step S4: after receiving the sub-tank high liquid level signal, the control unit 62 stops the corresponding power pump 3 to work, closes the corresponding control valve in the control valve group 4, and stops adding liquid to the sub-tank generating the sub-tank high liquid level signal; the flow rate value in the flow meter 2 is cleared, and the closing time of the corresponding control valve at this time and the flow rate value recorded by the flow meter 2 at this time are fed back to the storage unit 63 together as a second signal.
Thus, the first signal and the second signal are simultaneously stored in the storage unit 63, and the opening time and closing time of the corresponding control valve, and the flow value recorded by the flowmeter 2 and the like are recorded therein. According to the opening time of the control valve, the storage unit 63 can know the starting time of the main barrel 1 for feeding liquid to a specific sub-barrel; according to the opening time and closing time of the control valve, the storage unit 63 can know the specific barrel separating and filling time of the main barrel 1; based on the flow rate recorded by the flow meter 2, the storage unit 63 can know the amount of the liquid supplied from the main tank 1 to a specific sub-tank. Then, the corresponding conversion is carried out, the storage unit 63 transmits the information to the display unit 61 and displays the information on a touch screen of the display unit 61, and the staff can know basic information including the liquid adding starting time, the liquid adding amount and the like of the specific sub-barrels; of course, the collected information, such as the opening time and the closing time of the power pump 3, can be increased, so that the liquid adding time of the main barrel can be known; the working time of the flowmeter 2 can also be known about the liquid adding time length in the sub-tank, and the like, in a word, the whole monitoring process, as shown in fig. 1, 7 and 8, can meet the monitoring of the whole system by only using one flowmeter, can effectively reduce the use of components and parts, reduces the pipeline layout, ensures that the whole monitoring system has better economical efficiency and is beneficial to saving project cost.
In some embodiments, as shown in fig. 7, there are a plurality of sub-tanks in the sub-tank group 5 corresponding to the main tank 1, so in a specific operation, it is common for a plurality of sub-tanks to have a low liquid level at the same time, so as to implement normal operation at this time. When designing, numbering the sub-barrels of the sub-barrel group 5 according to the sub-barrels including the 1 st sub-barrel, the 2 nd sub-barrel, the … x sub-barrel and the … n sub-barrel, and numbering the control valve group 4 according to the control valve including the 1 st control valve, the 2 nd control valve, the … x control valve and the … n control valve; the xth sub-barrel corresponds to the xth control valve and is mutually connected in series. The sequential response is adopted after numbering, and the sequential liquid supplementing is realized, for example, the 1 st sub-tank and the 2 nd sub-tank need to supplement liquid at the same time, the 1 st sub-tank is supplemented first, the 2 nd sub-tank is supplemented after the 1 st sub-tank is supplemented, and the like, and the method is as shown in fig. 2:
setting the certain sub-barrel in the step S1 as an xth sub-barrel; the step S1 specifically comprises the following steps: when the x-th sub-tank liquid level in the sub-tank group 5 is lower than the sub-tank low liquid level value, the corresponding sub-tank liquid level sensor generates a sub-tank low liquid level signal; and transmits the sub-tank low level signal to the control unit 62; for example, the liquid level of the 5 th sub-tank is lower.
The step S2 further includes a step S21, and the step S2 including the step S21 specifically includes: after receiving the corresponding sub-tank low level signal, the control unit 62 first performs step S21 in step S2: the control unit 62 performs a second judgment to determine whether or not there is no 1 st sub-tank to the x-1 st sub-tank corresponding to the main tank 1 in the same time period, and sends a sub-tank passing low liquid level signal to the control unit 62; for example, the liquid level is lower or the liquid level is not lower after the liquid filling is finished from the 1 st sub-tank to the 4 th sub-tank numbered before the 5 th sub-tank.
If the second judgment is yes, continuing to execute the step S22, and adding liquid to an x-th sub-tank in the sub-tank group 5, which sends out a sub-tank low liquid level signal; for example, when the 1 st sub-tank to the 4 th sub-tank are completely filled or the liquid level is not lower, the liquid filling action of the 5 th sub-tank is performed.
If the second judgment is no, suspending the execution of the step S22, and suspending the liquid feeding to the xth sub-barrel in the sub-barrel group 5; the control unit 62 screens out the 1 st sub-barrel to the x-1 st sub-barrel which send out the sub-barrel low liquid level signal to the control unit 62, the sub-barrels which are at the forefront in sequence order, and opens the control valve corresponding to the sub-barrel in the control valve group 4, starts the corresponding power pump 3, and adds liquid to the sub-barrel which generates the sub-barrel low liquid level signal and is ordered at the forefront;
the sub-tank level sensors in up to the 1 st sub-tank to the x-1 st sub-tank no longer send a sub-tank low level signal to the control unit 62 during the same time period.
At this time, the second judgment is yes; when the liquid level is lower or the liquid level is not lower, the liquid is preferentially added to the sub-barrels with the previous number, and the liquid is added to the sub-barrel 5 after the liquid is added to the sub-barrels with the previous number. The step S4 further includes: and clearing the corresponding sub-tank low liquid level signal generated by the xth sub-tank. After the liquid adding is finished, the corresponding sub-tank low liquid level signal is cleared to inform that the liquid adding is finished, and then the sub-tanks with the numbers behind are used for adding liquid, such as the 5 th sub-tank.
In some embodiments, as shown in fig. 8, there are a plurality of main tanks 1, so when the flow monitoring method is designed, sequential response and sequential fluid replacement are also desirable, and the number is from small to large. I.e. the numbers of the 1 st main barrel, the 2 nd main barrel, the … y-th main barrel and the … m-th main barrel are carried out on the main barrel 1. The liquid in the front main barrel 1 is replenished, and then the liquid in the rear main barrel 1 is replenished, and the corresponding sub barrels in the main barrel 1 are replenished in a sequential response sequential liquid replenishing mode. The specific method is shown in fig. 3.
The corresponding sub-tank low liquid level signal generated in the step S1 specifically comprises the following steps: in the sub-bucket group 5 corresponding to the y-th main bucket, the x-th sub-bucket generates a corresponding sub-bucket low liquid level signal; for example, in the sub-tank group 5 corresponding to the 3 rd main tank, the corresponding 5 th sub-tank has a condition of lacking liquid.
The second judgment is specifically as follows: and if the sub-barrel group 5 corresponding to the y-th main barrel does not exist, the 1 st sub-barrel to the x-1 st sub-barrel send out the corresponding sub-barrel low liquid level signals.
The step S2 should further perform the first determination before performing the second determination, that is, the step S2 further includes a step S20, and after the control unit 62 receives the sub-tank low level signal before the step S21, step S20 is performed first: the control unit 62 makes a first judgment: judging whether the 1 st main barrel to the y-1 st main barrel do not exist, and generating a barrel passing low liquid level signal by any corresponding barrel dividing; for example, a first judgment is firstly adopted to analyze whether all sub-barrels in sub-barrel groups 5 corresponding to the 1 st main barrel and the 2 nd main barrel are filled with liquid or no liquid shortage exists, and then whether a second judgment is carried out on the sub-barrel groups 5 corresponding to the 3 rd main barrel is determined.
If the first determination is yes, continuing to the step S21, that is, performing the second determination: for example, in the sub-barrel group 5 corresponding to the 1 st main barrel and the 2 nd main barrel respectively, after all sub-barrels are fully filled with liquid or no liquid shortage exists in the first judgment analysis, the liquid shortage condition of the sub-barrel of the 3 rd main barrel is analyzed by adopting the second judgment analysis.
If the first judgment is no, suspending the step S21, and suspending the liquid adding to the x-th sub-barrel in the sub-barrel group 5 corresponding to the y-th main barrel; the control unit 62 screens out the 1 st sub-barrel to the x-1 st sub-barrel corresponding to the 1 st main barrel to the y-1 st main barrel which send out the sub-barrel low liquid level signals to the control unit 62, the sub-barrels which are at the forefront position on the priority order of the main barrels and the sorting order of the sub-barrels are sequentially sorted, control valves corresponding to the main barrel and the sub-barrels in the control valve group 4 are opened, the corresponding power pump 3 is started, and liquid adding is started to the sub-barrel which generates the sub-barrel low liquid level signals and is sorted in the front;
the sub-tank low level signals are not sent to the control unit 62 any more in the same time period until the sub-tank level sensors in the 1 st sub-tank to the x-1 st sub-tank corresponding to the 1 st main tank to the y-1 st main tank.
If the first judgment is yes, namely that the sub-barrels are not full or lack of liquid in the sub-barrel group 5 corresponding to the 1 st main barrel and the 2 nd main barrel respectively, the sub-barrels are preferably added with liquid, and the liquid adding mode is carried out according to the first judgment and the second judgment; after the liquid adding is completed, in the sub-barrel group 5 corresponding to the 3 rd main barrel, whether the corresponding 5 th sub-barrel is added or not is determined through second judgment.
In some embodiments, the filling flow should be monitored, the process should be suspended when the main tank 1 is found to be low, and the process should be continued after the main tank 1 is replenished with liquid, and the operation is performed as shown in fig. 5:
judging whether the liquid level of the main barrel 1 is lower than a low liquid level value of the main barrel in the step S2; namely, the step S2 is monitored, so that the phenomenon that the liquid level of the main barrel 1 is low in the process of adding liquid to the corresponding sub-barrels is avoided.
If it is determined that the main tank 1 will send a main tank low liquid level signal to the control unit 62 as shown in fig. 4, the control unit 62 will send an instruction to the power pump 3 and the control valve in the corresponding control valve group 4 to close, thereby cutting off the pipeline circulation, i.e. suspending step S2, and sending a signal to the display unit 61 or the external communication system to inform the staff that the liquid needs to be replenished to the main tank 1. After the liquid level of the supplementary main tank 1 returns to the main tank high liquid level value, the step S2 is continuously performed.
If not, continuing to execute the step S2; i.e. the liquid in the main tank 1 can meet the liquid feeding requirement, and the program execution is not affected.
In some embodiments, the execution duration of step S2 is defined. Of course, the execution duration of step S2 generally, that is, the filling time of a specific sub-tank will not exceed a set time value, so that only the occurrence of critical points is avoided, for example, the liquid is just added to the high liquid level of the sub-tank when the execution duration is just reached; more importantly, the situation that the liquid in the sub-tank overflows due to the damage of the sub-tank sensor or the sub-tank leaks so that the sub-tank cannot be toppled up to a high liquid level is prevented. The specific method is shown in figure 6 of the drawings,
setting the execution time T of the step S2; and when the step S2 meets the requirement of the execution T, judging whether the liquid level of the corresponding sub-tank in the sub-tank 5 reaches a sub-tank high liquid level value.
If yes, executing the step S3; namely, the process is just at a critical point, just when the execution time is up, the liquid is added into the sub-tank to the high liquid level of the sub-tank, and the process continues to be normally executed.
If not, as shown in fig. 4, the filled sub-tank sends an execution time signal to the control unit 62, and the control unit sends an instruction to the power pump 3 and the control valve in the corresponding control valve group 4 to close the same, thereby cutting off the liquid supplementing action of the main tank 1 to the sub-tank, suspending the step S2, sending relevant information to the display unit 61 or an external communication system by the control unit 62, informing the staff, checking the filled sub-tank, judging whether the filled overflow or the sub-tank is damaged, taking remedial measures in time, and continuing the step S2 after the abnormal situation is eliminated.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (9)
1. A flow monitoring device comprises a main barrel (1), a power pump (3), a control valve group (4) and a barrel separation group (5); at least one main barrel (1); the number of the power pumps (3), the control valve groups (4) and the barrel grouping groups (5) is respectively corresponding to the number of the main barrels (1) one by one; the control valve group (4) is provided with at least one control valve, and the sub-barrel groups (5) are provided with sub-barrels which are in one-to-one correspondence with the control valves;
the main barrel (1) is respectively and sequentially connected with the corresponding power pump (3), the corresponding control valve group (4) and the corresponding sub-barrel group (5) in series; in the control valve group (4), each control valve is connected in parallel; the control valve is connected with the sub-barrel corresponding to the control valve in series;
further comprises a flowmeter (2); the flowmeter (2) is totally one and is connected in series between the main barrel (1) and the control valve group (4);
also comprises a control module (6); the control module (6) is in signal connection with the control valve group (4) and the flowmeter (2);
the method is characterized in that: when the number of the main barrels (1) is one, the flowmeter (2) is connected in series between the main barrels (1) and the power pump (3) or between the power pump (3) and the control valve group (4);
when the number of the main barrels (1) is a plurality; the main barrels (1) are connected in parallel; the power pump (3) corresponding to each main barrel (1) is respectively connected with one end of the flowmeter (2) in series, and the control valve group (4) corresponding to each main barrel (1) is respectively connected with the other end of the flowmeter (2) in series;
the control module (6) comprises a control unit (62) and a storage unit (63), and the control unit (62) is respectively in signal connection with the power pump (3), the control valve group (4) and the barrel separation group (5); the storage unit (63) is in signal connection with the control valve group (4) and the flowmeter (2).
2. A flow monitoring device according to claim 1, wherein: in the sub-barrel group (5), each corresponding sub-barrel is respectively provided with a sub-barrel high liquid level value, a sub-barrel low liquid level value and a sub-barrel liquid level sensor; when the sub-tank liquid level of the corresponding sub-tank is lower than the sub-tank low liquid level value, the corresponding sub-tank liquid level sensor can send a sub-tank low liquid level signal to the control unit (62); when the sub-tank liquid level of the corresponding sub-tank is higher than the sub-tank high liquid level value, the corresponding sub-tank liquid level sensor can send a sub-tank high liquid level signal to a control unit (62);
each main barrel (1) is respectively provided with a main barrel high liquid level value, a main barrel low liquid level value and a main barrel liquid level sensor; when the main barrel liquid level of the corresponding main barrel is lower than the main barrel low liquid level value, the corresponding main barrel liquid level sensor can send a main barrel low liquid level signal to the control unit (62); when the main barrel liquid level of the corresponding main barrel is higher than the main barrel high liquid level value, the corresponding main barrel liquid level sensor can send a main barrel high liquid level signal to the control unit (62).
3. A flow monitoring method using the flow monitoring device of claim 2, comprising the steps of:
step S1: when the liquid level of a certain sub-tank in the sub-tank group (5) is lower than the low liquid level value of the sub-tank, the sub-tank liquid level sensor in the sub-tank generates a low liquid level signal of the sub-tank and feeds the low liquid level signal back to the control unit (62):
step S2: step S2 includes step S22, and after receiving the sub-tank low liquid level signal, the control unit (62) performs step S22: the control unit (62) controls to open a corresponding control valve in the control valve group (4), starts a corresponding power pump (3) and adds liquid to the sub-barrels generating the sub-barrel low liquid level signals; simultaneously, the flowmeter (2) starts to record the flow value, and the control valve and/or the flowmeter (2) generate a first signal and feed the first signal back to the storage unit (63);
step S3: when the liquid level of a certain sub-tank in the sub-tank group (5) reaches a sub-tank high liquid level value, a sub-tank liquid level sensor in the sub-tank generates a sub-tank high liquid level signal and feeds the sub-tank high liquid level signal back to the control unit (62);
step S4: after receiving the sub-tank high liquid level signal, the control unit (62) stops working of the corresponding power pump (3), closes the corresponding control valve in the control valve group (4), and stops adding liquid to the sub-tank generating the sub-tank high liquid level signal; resetting the flow value in the flowmeter (2); the control valve and/or the flow meter (2) generates a second signal and feeds it back to the storage unit (63).
4. A method of flow monitoring according to claim 3, wherein: the first signal at least comprises the time when the corresponding control valve is opened; the second signal comprises at least a flow value recorded by the flow meter (2).
5. A method of flow monitoring according to claim 3, wherein: each group of the component barrels (5) comprises a 1 st sub-barrel, a 2 nd sub-barrel, a … x sub-barrel and a … n sub-barrel; each group of control valve groups (4) comprises a 1 st control valve, a 2 nd control valve, a … x control valve and a … n control valve; the xth sub-barrel is correspondingly connected with the xth control valve in series;
setting the certain sub-barrel in the step S1 as an xth sub-barrel;
the step S2 further includes a step S21, and after the control unit (62) receives the corresponding sub-tank low liquid level signal, the step S2 first includes a step S21: the control unit (62) performs a second judgment: judging whether the 1 st sub-barrel to the x-1 st sub-barrel corresponding to the main barrel (1) does not exist in the same time period, and sending a low liquid level signal of the excessive barrel to the control unit (62);
if the second judgment is yes, the step S22 is continuously executed, and liquid is added to the xth sub-tank which sends out the sub-tank low liquid level signal in the sub-tank group (5).
6. The flow monitoring method of claim 5, wherein: if the second judgment is no, the execution of the step S22 is suspended, and the liquid adding to the xth sub-barrel in the sub-barrel group (5) is suspended; the control unit (62) screens the 1 st sub-barrel to the x-1 st sub-barrel which send out sub-barrel low liquid level signals, the sub-barrels which are at the forefront in sequence order, opens a control valve corresponding to the sub-barrel in the control valve group (4), starts a corresponding power pump (3), and adds liquid to the sub-barrel which generates sub-barrel low liquid level signals and is ordered in front;
and the sub-tank liquid level sensors in the sub-tank from the 1 st sub-tank to the x-1 st sub-tank no longer send sub-tank low liquid level signals to the control unit (62) in the same time period.
7. The flow monitoring method of claim 5, wherein: the main barrel (1) comprises a 1 st main barrel, a 2 nd main barrel, a … y-th main barrel and a … m-th main barrel;
the corresponding sub-tank low liquid level signals generated in the step S1 are as follows: in a sub-barrel group (5) corresponding to the y-th main barrel, a corresponding sub-barrel low liquid level signal is generated by the x-th sub-barrel;
the second judgment is as follows: whether the sub-barrel group (5) corresponding to the y-th main barrel does not exist or not, and the 1 st sub-barrel to the x-1 st sub-barrel send out the corresponding sub-barrel low liquid level signals;
step S2 is to perform a first judgment before performing a second judgment;
step S2 further includes step S20, and after the control unit (62) receives the low level signal of the sub-tank, step S20 is performed first: the control unit (62) makes a first judgment: judging whether the 1 st main barrel to the y-1 st main barrel do not exist, and generating a low liquid level signal of the excessive barrel by any corresponding sub-barrels;
if the first determination is yes, the step S21 is continued.
8. The flow monitoring method of claim 7, wherein: if the first judgment is no, suspending the step S21, and suspending the liquid feeding to the x-th sub-barrel in the sub-barrel group (5) corresponding to the y-th main barrel; the control unit (62) screens out the 1 st sub-barrel to the x-1 st sub-barrel corresponding to the 1 st main barrel to the y-1 st main barrel which send out the sub-barrel low liquid level signals to the control unit (62), the sub-barrels which are positioned at the forefront position on the priority order of the main barrels and the sorting order of the sub-barrels are sequentially ordered, control valves corresponding to the main barrel and the sub-barrels in the control valve group (4) are opened, a corresponding power pump (3) is started, and liquid adding is started to the sub-barrel which generates the sub-barrel low liquid level signals and is ordered in front;
and the sub-tank liquid level sensors in the sub-tank from the 1 st sub-tank to the x-1 st sub-tank corresponding to the 1 st main tank to the y-1 st main tank do not send sub-tank low liquid level signals to the control unit (62) any more in the same time period.
9. A method of flow monitoring according to claim 3, wherein:
in the step S2, judging whether the liquid level of the main barrel (1) is lower than a low liquid level value of the main barrel or not, wherein the judgment is performed before the control unit (62) controls to open a corresponding control valve in the control valve group (4);
if the main barrel is judged to be the high liquid level value, the corresponding control valve in the control valve group (4) is stopped to be opened, and the main barrel (1) which sends out the low liquid level value of the main barrel is refueled until the liquid level of the main barrel (1) returns to the high liquid level value of the main barrel;
if not, the control unit (62) controls to open the corresponding control valve in the control valve group (4);
setting the execution time T of the step S2; after step S2 meets the T between the execution, judging whether the liquid level of the corresponding sub-tank in the sub-tank (5) reaches a sub-tank high liquid level value;
if yes, continuing the step S3;
if not, the following steps of the step S2 are suspended, and the control unit (62) sends the information to the display unit (61) or the external communication system.
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Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1489477A1 (en) * | 2002-03-25 | 2004-12-22 | Stec Inc. | Mass flow controller |
| CN101563663A (en) * | 2006-12-05 | 2009-10-21 | 株式会社堀场Stec | Testing method of flow controller |
| CN101713674A (en) * | 2008-09-30 | 2010-05-26 | 株式会社山武 | Flow rate measuring system |
| CN102042856A (en) * | 2009-10-16 | 2011-05-04 | 中国计量科学研究院 | Device and method for automatically metering and calibrating horizontal tank capacity based on standard metal tank |
| CN102955471A (en) * | 2012-11-16 | 2013-03-06 | 中国石油化工股份有限公司 | Intelligent management and control system based on mass flow meter |
| CN202828087U (en) * | 2012-09-21 | 2013-03-27 | 常州市汇丰船舶附件制造有限公司 | Automatic flow control device of ship pipe paths |
| CN203319673U (en) * | 2013-05-11 | 2013-12-04 | 深圳市和科达水处理设备有限公司 | Intelligent quantitative liquid adding system |
| CN104898714A (en) * | 2015-04-02 | 2015-09-09 | 北京航天发射技术研究所 | High-reliability redundancy liquid hydrogen filling system and method |
| CN206325405U (en) * | 2016-11-14 | 2017-07-14 | 华电宁夏灵武发电有限公司 | A kind of novel denitration SCR exports multiple spot flue gas sampling automatic control system |
| CN206400376U (en) * | 2017-01-24 | 2017-08-11 | 上海方久轧制油净化技术有限公司 | The temperature control unit controlled with flow |
| CN207317905U (en) * | 2017-10-30 | 2018-05-04 | 西门子传感器与通讯有限公司 | Flow Meter Calibration Device |
| CN109231304A (en) * | 2018-10-19 | 2019-01-18 | 中国南方电网有限责任公司超高压输电公司广州局 | The outer cooling circulating water system treatment agent multiple branch circuit auto-feeding device of valve and method |
| CN208555495U (en) * | 2018-04-23 | 2019-03-01 | 山东碧泉环境工程技术有限公司 | A kind of automation liquid medicine injection system in situ |
| CN109763802A (en) * | 2018-09-17 | 2019-05-17 | 中国石油天然气股份有限公司 | Multi-component medicament adding device and method for chemical flooding |
| CN209132645U (en) * | 2018-09-28 | 2019-07-19 | 新疆中泰化学阜康能源有限公司 | Multi-level self-checking device |
| CN209128061U (en) * | 2018-10-19 | 2019-07-19 | 中国南方电网有限责任公司超高压输电公司广州局 | The outer cooling circulating water system treatment agent multiple branch circuit auto-feeding device of valve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2666705C (en) * | 2008-05-23 | 2015-11-03 | Kevin Odell Alden | Concrete material dispensing system |
| CN102908706B (en) * | 2011-08-01 | 2017-07-11 | 深圳迈瑞生物医疗电子股份有限公司 | Electronic flow watch-dog, control method and Anesthesia machine |
| KR101652469B1 (en) * | 2015-02-27 | 2016-08-30 | 주식회사 유진테크 | Method for multi-supplying gas and apparatus for multi-supplying gas |
| US20160342161A1 (en) * | 2015-05-22 | 2016-11-24 | Crescent Services, L.L.C. | Tank Filling, Monitoring and Control System |
-
2020
- 2020-02-28 CN CN202010129515.7A patent/CN111324153B/en active Active
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1489477A1 (en) * | 2002-03-25 | 2004-12-22 | Stec Inc. | Mass flow controller |
| CN101563663A (en) * | 2006-12-05 | 2009-10-21 | 株式会社堀场Stec | Testing method of flow controller |
| CN101713674A (en) * | 2008-09-30 | 2010-05-26 | 株式会社山武 | Flow rate measuring system |
| CN102042856A (en) * | 2009-10-16 | 2011-05-04 | 中国计量科学研究院 | Device and method for automatically metering and calibrating horizontal tank capacity based on standard metal tank |
| CN202828087U (en) * | 2012-09-21 | 2013-03-27 | 常州市汇丰船舶附件制造有限公司 | Automatic flow control device of ship pipe paths |
| CN102955471A (en) * | 2012-11-16 | 2013-03-06 | 中国石油化工股份有限公司 | Intelligent management and control system based on mass flow meter |
| CN203319673U (en) * | 2013-05-11 | 2013-12-04 | 深圳市和科达水处理设备有限公司 | Intelligent quantitative liquid adding system |
| CN104898714A (en) * | 2015-04-02 | 2015-09-09 | 北京航天发射技术研究所 | High-reliability redundancy liquid hydrogen filling system and method |
| CN206325405U (en) * | 2016-11-14 | 2017-07-14 | 华电宁夏灵武发电有限公司 | A kind of novel denitration SCR exports multiple spot flue gas sampling automatic control system |
| CN206400376U (en) * | 2017-01-24 | 2017-08-11 | 上海方久轧制油净化技术有限公司 | The temperature control unit controlled with flow |
| CN207317905U (en) * | 2017-10-30 | 2018-05-04 | 西门子传感器与通讯有限公司 | Flow Meter Calibration Device |
| CN208555495U (en) * | 2018-04-23 | 2019-03-01 | 山东碧泉环境工程技术有限公司 | A kind of automation liquid medicine injection system in situ |
| CN109763802A (en) * | 2018-09-17 | 2019-05-17 | 中国石油天然气股份有限公司 | Multi-component medicament adding device and method for chemical flooding |
| CN209132645U (en) * | 2018-09-28 | 2019-07-19 | 新疆中泰化学阜康能源有限公司 | Multi-level self-checking device |
| CN109231304A (en) * | 2018-10-19 | 2019-01-18 | 中国南方电网有限责任公司超高压输电公司广州局 | The outer cooling circulating water system treatment agent multiple branch circuit auto-feeding device of valve and method |
| CN209128061U (en) * | 2018-10-19 | 2019-07-19 | 中国南方电网有限责任公司超高压输电公司广州局 | The outer cooling circulating water system treatment agent multiple branch circuit auto-feeding device of valve |
Non-Patent Citations (3)
| Title |
|---|
| Gaurav Gosavi等.Smart water flow monitoring and forecasting system.《2017 2nd IEEE International Conference on Recent Trends in Electronics, Information & Communication Technology》.2017,全文. * |
| 刘进英.水箱液位控制系统控制器的设计.《自动化应用》.2015,(第12期),全文. * |
| 王伟.齿轮流量计的动态流量测量研究.《中国优秀硕士学位论文全文数据库 工程科技II辑》.2015,(第8期),全文. * |
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