CN207280559U - Flowmeter calibrating installation - Google Patents
Flowmeter calibrating installation Download PDFInfo
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- CN207280559U CN207280559U CN201721396192.8U CN201721396192U CN207280559U CN 207280559 U CN207280559 U CN 207280559U CN 201721396192 U CN201721396192 U CN 201721396192U CN 207280559 U CN207280559 U CN 207280559U
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- flowmeter
- circulating pump
- fluid
- calibrating installation
- filter
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Abstract
The utility model discloses a kind of flowmeter calibrating installation, including：Fluid-storing container (101), for storing fluid to be conveyed；Circulating pump (102), is fluidly coupled to fluid-storing container (101), for the fluid in pumped fluid storage container (101)；Filter (103), is fluidly coupled to circulating pump (102), for filtering the fluid pumped by circulating pump (102)；And flowmeter (104), it is fluidly coupled to filter (103), for measuring the flow velocity of the fluid by filter (103) filtering, wherein, flowmeter (104) is electrically connected to circulating pump (102), and when the flow velocity of measurement is less than threshold value, flowmeter (104) closes circulating pump (102).The utility model solve circulating pump because can not normally pumped fluid and long-time dallies and impaired technical problem.
Description
Technical field
It the utility model is related to flowmeter collimation technique field, more particularly to a kind of flowmeter calibrating installation.
Background technology
On the production line of flowmeter, engineers usually require the stream to production by the fluid circulation line designed
Gauge carries out special calibration and test, to ensure that the flowmeter of production can reach predetermined design standard.For this reason, in flow
Circulating pump is usually provided with meter calibrating device, circulating pump can run work to be filtered by filter whole day twenty four hours
Fluid in cistern.When large-sized flowmeter is calibrated, the fluid level of cistern may be less than circulation
The liquid level allowed is pumped, this can cause circulating pump pumped fluid and can therefore not remain idle normally.For a long time
Idle running in the case of, circulating pump can be damaged.Thus, it is necessary to close in time when circulating pump can not work normally
Circulating pump is with the service life of delay apparatus and prevents equipment by unnecessary damage.A kind of existing flowmeter calibrating installation
In be used for control loop pump close electric component be designed to be from scene it is especially remote, this cause close circulating pump it is extremely inconvenient,
And it can not meet that needs close circulating pump to prevent circulating pump from dallying and impaired requirement in time.
Utility model content
The utility model embodiment provides a kind of flowmeter calibrating installation, in particular for the flowmeter of calibrating flow meter
Calibrating installation, at least to solve in calibrated fluxes timing because circulating pump can not normally pumped fluid and for a long time dally and
Impaired technical problem.
Included according to the flowmeter calibrating installation of the utility model embodiment：Fluid-storing container, it is to be conveyed for storing
Fluid；Circulating pump, is fluidly coupled to fluid-storing container, for the fluid in pumped fluid storage container；Filter, fluid
Circulating pump is connected to, for filtering the fluid pumped by circulating pump；And flowmeter, filter is fluidly coupled to, for measuring
By the flow velocity of the fluid of filter filtering, wherein, flowmeter is electrically connected to circulating pump, and when the flow velocity of measurement is less than threshold value
When, flowmeter closes circulating pump.Therefore, flowmeter calibrating installation provided by the utility model can not only utilize flowmeter to obtain
The fluid flow rate of measurement, and the flowmeter is calibrated according to the flow velocity of the measurement of flowmeter, but also measurement can be depended on
Flow velocity close circulating pump in time, to prevent circulating pump from normally can not cause idle running so not in the case of pumped fluid
The situation of profit.This effectively improves the running environment of circulating pump, protect circulating pump will not because of abnormal condition and by
Damage, avoids the waste of device resource.
In an illustrative embodiments of the flowmeter calibrating installation of the application, flowmeter includes：Flow velocity measurement dress
Put, for measuring the flow velocity of fluid；Comparison means, is electrically connected to flow rate measuring device, for by the flow velocity of measurement and threshold value ratio
Compared with, and control signal is sent according to comparative result；And switching device, comparison means is electrically connected to, is closed according to control signal
Circulating pump.Flowmeter, which can not only be realized, to be measured and monitors to the flow velocity of the fluid of process, and flowmeter can also root
Judge whether circulating pump is in improper working status, such as idling conditions according to measurement result, so that the result according to judgement
To determine to disconnect the electrical connection for being provided to circulating pump, to close circulating pump.
In the further illustrative embodiments of the flowmeter calibrating installation of the application, flowmeter further includes：Input is single
Member, the instruction of the operation duration for receiving given threshold or circulating pump；And display unit, input unit is electrically connected to,
For showing flow velocity and/or instruction.Exterior operating personnel or automaton can be defeated on the input unit of flowmeter
Enter desired control instruction, the parameter of flowmeter monitoring, such as the time span of flow velocity or pump operating cycle are needed with setting.
In an illustrative embodiments of the flowmeter calibrating installation of the application, switching device includes relay, uses
In the electrical connection that circulating pump is disconnected to according to control signal.Flowmeter selects shut-off switch dress according to the fluid flow rate monitored
The relay put, so as to provide the function of the disconnection of the electrical connection of control loop pump.Alternatively, relay may be alternatively configured as prolonging
When disconnect, with after it experienced the scheduled time disconnect circulating pump power supply.
In an illustrative embodiments of the flowmeter calibrating installation of the application, flowmeter calibrating installation further includes：
First manual switchs and the second manual switch, wherein, first manual switch with flowmeter is in parallel is electrically connected, the second manual switch and
Flowmeter is electrically connected in series.Therefore, the control in a manual fashion of outside is provided according to the flowmeter calibrating installation of the application
Circulate the function of pump startup or shutdown.
In an illustrative embodiments of the flowmeter calibrating installation of the application, it is single that filter includes multiple filterings
Member, wherein, multiple filter elements fluidly connect in series.Specifically, multiple filter elements can advantageously have respectively
Different strainabilities.
In the further illustrative embodiments of the flowmeter calibrating installation of the application, each filter element included
Filter bag, for filtering fluid and storage by the object of detention.For example, fluid can be flowed into inside filter bag, and by filter bag side
Wall flows out, and the fluid pumped out with effectively filtration cycle, this is conducive to recycling for fluid source.Close and follow when flowmeter
When ring pumps, filter bag is replaced.When the filter bag of filter is needed replacing, circulating pump can automatically be stopped by flowmeter
Only, so as to safely replacing the filter bag of filter.
In an illustrative embodiments of the flowmeter calibrating installation of the application, flowmeter calibrating installation further includes：
PCU Power Conditioning Unit, for adjusting the power of circulating pump.This particularly offers the function of selectively changing circulation pump power, and
And and then be conducive to save circulating pump electric energy.
In an illustrative embodiments of the flowmeter calibrating installation of the application, flow is calculated as electromagnetic flowmeter.Cause
This, it is convenient to and provided in electromagnetic flowmeter disconnect the function that circulating pump is electrically connected at low cost.
In the utility model embodiment, the mode of flowmeter monitoring fluid flow rate is employed, it is low in the flow velocity monitored
When setting value, the electrical connection for being provided to circulating pump is disconnected by flowmeter, flowmeter is realized and is in improper in circulating pump
Working status under in time close circulating pump technique effect, and then solve for example calibrate large scale flowmeter when, prevent
The technical problem that circulating pump is damaged because of abnormal operating state.
, can be with the background of such as calibrating flow meter by implementing flowmeter calibrating installation according to the present utility model
Operating status traditional, that circulating pump is artificially monitored by operating personnel is not used, and abnormality is in circulating pump
When operation outside manual overvide close circulating pump in a manual fashion.Flowmeter calibrating installation can be advantageously with automatic
Mode control loop pump closing, this advantageously saves human resources and protects circulating pump unexpectedly not damaged
It is bad.
Brief description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application,
The schematic description and description of the utility model is used to explain the utility model, does not form to the improper of the utility model
Limit.In the accompanying drawings：
Fig. 1 is the flowmeter calibrating installation of a specific embodiment according to the present utility model；
Fig. 2 is the flowmeter calibrating installation of another specific embodiment according to the present utility model；
Fig. 3 is the flowmeter calibrating installation of another specific embodiment according to the present utility model；
Fig. 4 is the electrical connection schematic diagram of the flowmeter calibrating installation of a specific embodiment according to the present utility model.
101：Fluid-storing container；
102：Circulating pump；
103：Filter；
104：Flowmeter；
104a：Flow rate measuring device；
104b：Comparison means；
104c：Switching device；
104d：Input unit；
104e：Display unit；
K1：Relay；
K2：First manual switchs；
K3：Second manual switch.
Embodiment
It is real below in conjunction with the utility model in order to make those skilled in the art more fully understand the utility model
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the embodiment of the utility model part, instead of all the embodiments.Based on the reality in the utility model
Apply example, those of ordinary skill in the art's all other embodiments obtained without making creative work, all should
When the scope for belonging to the utility model protection.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so
The data used can exchange in the appropriate case, can be with except at this so as to the embodiment of the utility model described herein
In diagram or description those beyond order implement.In addition, term " comprising " and " having " and their any deformation, meaning
Figure be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment
Be not necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes,
The intrinsic other steps of method, product or equipment or unit.
Fig. 1 shows the flowmeter calibrating installation of a specific embodiment according to the present utility model.In the specific implementation
In example, flowmeter calibrating installation includes：Fluid-storing container 101, for storing fluid to be conveyed；Circulating pump 102, fluid connect
Fluid-storing container 101 is connected to, for the fluid in pumped fluid storage container 101；Filter 103, is fluidly coupled to circulate
Pump 102, for filtering the fluid pumped by circulating pump 102；And flowmeter 104, filter 103 is fluidly coupled to, for surveying
The flow velocity of the fluid filtered by filter 103 is measured, wherein, flowmeter 104 is electrically connected to circulating pump 102, and when the stream of measurement
When speed is less than threshold value, flowmeter 104 closes circulating pump 102.Therefore, one kind is provided according to an embodiment of the present application can be used for school
The flowmeter calibrating installation of quasi- flowmeter.For example, in the hydronic circuit for calibrating fluid flowmeter, fluid storage is held
Device 101 is alternatively implemented as cistern, as the water source for providing recirculated water, to the circulating pump for optionally being designed to liquid circulation pump
102 provide water to be conveyed.Alternatively, in the embodiment of the other gas circulation circuit for calibration gas flowmeter, stream
Body storage container 101 is alternatively implemented as gas container, and then provides gas to the circulating pump 102 for being designed as gas circulator
Stream.Filter 103 may include one or more filter element, wherein, each filter element can include being used to filter stream respectively
Body and storage are by the filter bag of the object of detention.Multiple filter elements can include different filter bags respectively, to possess respectively not
Strainability together simultaneously meets diversified requirement.Moreover, multiple filter elements alternatively connect in the form of fluid is connected, i.e.,
Fluid then can be filtered after being filtered by the first filter element by the second filter element.By the filtering of the first filter element
Fluid is selectively directly fed back to fluid-storing container 101.Alternatively, it can continue by the fluid that the second filter element filters
Conveying downwards, and fluid-storing container 101 is fed back to after by flowmeter 104.Flowmeter calibrating installation also alternatively includes
PCU Power Conditioning Unit for the power for adjusting circulating pump 102.In the flowmeter calibrating installation of the application, flowmeter 104 can
Selection of land is embodied as electromagnetic flowmeter.Alternatively, flowmeter 104 can also be implemented as the other types flow using different e measurement technologies
Meter, such as ultrasonic flowmeter.
Fig. 2 is the flowmeter calibrating installation of another specific embodiment according to the present utility model.Flowmeter calibrating installation
Flowmeter 104 include：Flow rate measuring device 104a, for measuring the flow velocity of fluid；Comparison means 104b, is electrically connected to flow velocity
Measuring device 104a, for sending control signal by the flow velocity and threshold value comparison of measurement, and according to comparative result；And switch dress
104c is put, is electrically connected to comparison means 104b, circulating pump 102 is closed according to control signal.For example, alternatively in comparison means
Presetting threshold parameter, such as the time span that the flow velocity of the fluid of conveying or circulating pump 102 are run are stored with 104b.
Therefore, comparison means 104b can by by the fluid flow rate that flow rate measuring device 104a is monitored compared with predetermined flow velocity, or
By the time span of monitoring compared with predetermined 102 run time length of circulating pump.If the fluid flow rate monitored is less than pre-
Fixed flow velocity, or the time span of monitoring are more than predetermined 102 run time length of circulating pump, then comparison means 104b can
Corresponding control signal is sent to switching device 104c, to close circulating pump 102.So as to the fluid flow rate in recycle circuit
It is too low and when in turn result in circulating pump 102 and dally, or when 102 operation duration of circulating pump reaches default duration
Wait, circulating pump 102 can be closed.Therefore, when fluid-storing container 101 can not continue to supply fluid to circulating pump 102,
Circulating pump 102 will not continuing spinning, or circulating pump 102 has been running for scheduled duration and reached sensed flow meter 104
After it is required that, circulating pump 102 can be automatically stopped.
Fig. 3 is the flowmeter calibrating installation of another specific embodiment according to the present utility model.Except being described according to Fig. 2
Flowmeter 104 the flow rate measuring device 104a, comparison means 104b and the switching device 104c that are included outside, flowmeter
104 also alternatively include：Input unit 104d, the instruction of the operation duration for receiving given threshold or circulating pump 102；With
And display unit 104e, input unit 104d is electrically connected to, for showing 6 flow velocitys and/or instruction.For example, exterior automatic control
Device processed, such as the computer or programmable logic controller (PLC) of program are able to carry out, can be by input unit 104d, wired
Or wireless communication interface input control instruction.Alternatively, the operating personnel of flowmeter calibrating installation also can be manually in flow
Operated on the display unit 104e of meter 104, to be instructed by input unit 104d input controls.For example, control instruction can be
With known computer language editor, one section either multi-segment program code or can be can on display unit 104e
The predetermined number or identifier of unrestricted choice.Default parameter may be selected and click on display unit 104e to adjust in operating personnel
Section treats the threshold parameter that flowmeter 104 monitors.
Fig. 4 is the electrical connection schematic diagram of the flowmeter calibrating installation of a specific embodiment according to the present utility model.
The flowmeter calibrating installation of the application further includes：First manual switchs K2 and the second manual switch K3, wherein, first manual switch
K2 is electrically connected with the parallel connection of flowmeter 104, and the second manual switch K3 is electrically connected in series with flowmeter 104.Specifically, as shown in figure 4,
The relay K1 of first manual switch K2 and the switching device 104c of flowmeter 104 are connected in parallel, and the second manual switch K3
It is connected in series with the relay K1 of flowmeter 104.First manual switch K2 and the second manual switch K3 can be respectively configured as realizing
Different control effects.For example, when needing the startup or stopping of manual control loop pump 102, even if in flowmeter 104
In the case that relay K1 is disconnected, first manual switch K2 is alternatively closed so that power supply remains able to the electricity to circulating pump 102
Machine is powered, so as to fulfill the startup of circulating pump 102.Alternatively, alternatively disconnect the second manual switch K3, and then deenergization is to following
The electrical connection of the motor of ring pump 102 so that power supply stops powering to the motor of circulating pump 102, so as to fulfill stopping for circulating pump 102
Only.
In embodiment provided herein, it should be understood that disclosed technology contents, can be by another way
Realize.Wherein, device embodiment described above is only schematical, such as the division of the unit, can be one kind
Division of logic function, can there is an other dividing mode when actually realizing, such as multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.Another, shown or discussed is mutual
Coupling, direct-coupling or communication connection can be by some interfaces, the INDIRECT COUPLING or communication connection of unit or module,
Can be electrical or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit,
Can be that unit is individually physically present, can also two or more units integrate in a unit.It is above-mentioned integrated
Unit can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (9)
- A kind of 1. flowmeter calibrating installation, it is characterised in that including：Fluid-storing container (101), for storing fluid to be conveyed；Circulating pump (102), is fluidly coupled to the fluid-storing container (101), for pumping the fluid-storing container (101) In the fluid；Filter (103), is fluidly coupled to the circulating pump (102), for filtering by the described of the circulating pump (102) pumping Fluid；AndFlowmeter (104), is fluidly coupled to the filter (103), for measuring by the described of the filter (103) filtering The flow velocity of fluid, wherein, the flowmeter (104) is electrically connected to the circulating pump (102), and when the flow velocity of measurement is low When threshold value, the flowmeter (104) closes the circulating pump (102).
- 2. flowmeter calibrating installation according to claim 1, it is characterised in that the flowmeter (104) includes：Flow rate measuring device (104a), for measuring the flow velocity of the fluid；Comparison means (104b), is electrically connected to the flow rate measuring device (104a), for by the flow velocity of measurement with it is described Threshold value comparison, and control signal is sent according to comparative result；AndSwitching device (104c), is electrically connected to the comparison means (104b), and the circulating pump is closed according to the control signal (102)。
- 3. flowmeter calibrating installation according to claim 2, it is characterised in that the flowmeter (104) further includes：Input unit (104d), for receiving the instruction for the operation duration for setting the threshold value or the circulating pump (102)；With AndDisplay unit (104e), is electrically connected to the input unit (104d), for showing the flow velocity and/or described instruction.
- 4. flowmeter calibrating installation according to claim 2, it is characterised in that the switching device (104c) includes relay Device (K1), for being disconnected to the electrical connection of the circulating pump (102) according to the control signal.
- 5. the flowmeter calibrating installation according to any one of claim 1-4, it is characterised in that the flowmeter calibration cartridge Put and further include：First manual switchs (K2) and the second manual switch (K3), wherein, the first manual switch (K2) and the flowmeter (104) in parallel to be electrically connected, second manual switch (K3) is electrically connected in series with the flowmeter (104).
- 6. the flowmeter calibrating installation according to any one of claim 1-4, it is characterised in that the filter (103) Including multiple filter elements, wherein, the multiple filter element fluidly connects in series.
- 7. flowmeter calibrating installation according to claim 6, it is characterised in that each filter element includes：Filter bag, for filtering the fluid and storage by the object of detention.
- 8. the flowmeter calibrating installation according to any one of claim 1-4, it is characterised in that the flowmeter calibration cartridge Put and further include：PCU Power Conditioning Unit, for adjusting the power of the circulating pump (102).
- 9. the flowmeter calibrating installation according to any one of claim 1-4, it is characterised in that the flowmeter (104) For electromagnetic flowmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396192.8U CN207280559U (en) | 2017-10-26 | 2017-10-26 | Flowmeter calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721396192.8U CN207280559U (en) | 2017-10-26 | 2017-10-26 | Flowmeter calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280559U true CN207280559U (en) | 2018-04-27 |
Family
ID=61978521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721396192.8U Active CN207280559U (en) | 2017-10-26 | 2017-10-26 | Flowmeter calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280559U (en) |
-
2017
- 2017-10-26 CN CN201721396192.8U patent/CN207280559U/en active Active
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