CN209197808U - It is a kind of can automatic fitration liquid movable joint differential pressure flowmeter - Google Patents
It is a kind of can automatic fitration liquid movable joint differential pressure flowmeter Download PDFInfo
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- CN209197808U CN209197808U CN201821991033.7U CN201821991033U CN209197808U CN 209197808 U CN209197808 U CN 209197808U CN 201821991033 U CN201821991033 U CN 201821991033U CN 209197808 U CN209197808 U CN 209197808U
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- 239000007788 liquid Substances 0.000 title claims abstract description 32
- 238000001514 detection method Methods 0.000 claims abstract description 31
- 238000005259 measurement Methods 0.000 claims abstract description 31
- 230000005484 gravity Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 description 17
- 239000012530 fluid Substances 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses it is a kind of can automatic fitration liquid movable joint differential pressure flowmeter, including input pipe, efferent duct and display device, input pipe and efferent duct junction are equipped with current limiting tube, it inputs pipe internal surface and is equipped with input pressure pipe, first measurement plate and first pressure detection device, it exports pipe internal surface and is equipped with output pressure pipe, second measurement plate and second pressure detection device, display device includes display screen, connect circuit and differential pressure pickup, input pipe is equipped with the filter screen being obliquely installed far from current limiting tube side, it is equipped on the downside of filter screen and opens plate, gravity detection device, collecting box, pivoting leaf, connecting shaft, cutter, placing groove and hole, current limiting tube is equipped with elastic rod close to efferent duct side, squeeze spring, dredge bar and circular baffle plate；The case where the utility model carries out the filtering of liquid in differential pressure flowmeter pipeline by filter plate and circular baffle plate, avoids the occurrence of line clogging improves the accuracy of flowmeter measurement.
Description
Technical field
The utility model relates to differential pressure flowmeters, and in particular to it is a kind of can automatic fitration liquid movable joint differential pressure flow
Meter.
Background technique
Differential pressure type (also referred to as throttle type) flowmeter is the Throttle Principle based on fluid flowing, flows through throttling dress using fluid
The pressure difference that is generated when setting and realize flow measurement, it is that measuring flow is most mature in current production, most common method it
One, usually by measured flux can be converted into pressure difference signal throttling set and this pressure difference can be converted into corresponding flow value
The difference gauge and display instrument shown is formed, in unit aggregated instrument, the pressure difference signal generated by throttling set,
It is converted into corresponding standard signal (electric or gas) frequently by differential pressure transmitter, so that display, record or control are used.
, can be containing the impurity of part in liquid during reality measurement, after long-term measurement, impurity will affect pipeline
Patency causes liquid flow measurement inaccurate, influences subsequent numerical value and calculates.
Utility model content
Purpose of utility model:
The utility model cannot be filtered when carrying out flow measurement to liquid for present differential pressure flowmeter
Problem, proposed it is a kind of can automatic fitration liquid movable joint differential pressure flowmeter, can be effectively solved present pressure difference stream
The problem of meter cannot be filtered liquid when carrying out flow measurement, improves the accuracy of flow measurement.
Technical solution:
It is a kind of can automatic fitration liquid movable joint differential pressure flowmeter, including input pipe, efferent duct and display device are described
Input pipe and efferent duct junction are equipped with current limiting tube, and the input pipe internal surface is equipped with input pressure pipe, the input pressure pipe
It is equipped with the first measurement plate with input pipe junction, the first measurement plate surface is equipped with first pressure detection device, the output
Pipe internal surface is equipped with output pressure pipe, and the output pressure pipe and efferent duct junction are equipped with the second measurement plate, and described second surveys
Template surface is equipped with second pressure detection device, when carrying out pressure differential detection, passes through the first, second pressure-detecting device, output
Pressure pipe and input pressure pipe carry out the detection of pressure difference, it is ensured that the accuracy of pressure detecting improves for subsequent flow rate calculation
Precision；
The display device includes display screen, connection circuit and differential pressure pickup, differential pressure pickup input terminal side
The input pressure pipe is connected, the differential pressure pickup input terminal other side connects the output pressure pipe, the connection circuit
Side is connected with the differential pressure pickup output end, and the connection circuit other side is connected with the display screen, and display screen is real-time
Show the flow of liquid, the more intuitive variation for making user observe fluid flow increases the convenience of measurement；
The input pipe is equipped with the filter screen being obliquely installed far from the current limiting tube side, is equipped with and beats on the downside of the filter screen
Plate is opened, the opening plate surface is equipped with gravity detection device, collecting box is equipped on the downside of the opening plate, is set inside the collecting box
There is pivoting leaf, connecting shaft is equipped on the downside of the pivoting leaf, the connecting shaft surface is equipped with cutter, and the collecting box bottom is equipped with
Placing groove, the placing groove and connecting shaft nested encryptions, the collecting box lower surface are equipped with several holes, and the current limiting tube is close
The efferent duct side is equipped with elastic rod, and the elastic rod two sides connect the output pipe internal surface, the elastic rod and output
Pipe internal surface junction, which is equipped with, squeezes spring, and the elastic rod middle position is equipped with dredging bar, and the dredging bar is far from the bullet
Property bar side be equipped with circular baffle plate, pass through filter screen and dredging bar carry out liquid in impurity cleaning and current limiting tube dredging, guarantee
Accuracy of the differential pressure flowmeter in measurement process.
Further, the current limiting tube is cone-shaped pipe, and the current limiting tube is fixedly connected with input pipe internal surface, circular cone
The case where shape current limiting tube realizes the current limliting of liquid and reduces current limliting blockage, improves the service life of differential pressure flowmeter.
Further, the input pipe and efferent duct are equipped with union, the union far from the current limiting tube side
It is internally threaded, the screw thread side is equipped with sealing ring, and the setting of union is convenient for the connection and disassembly of differential pressure flowmeter, is mentioned
The high convenience of installation.
Further, the opening plate side is equipped with shaft, and the opening plate other side is equipped with connection lock, the connection lock
It is connected with gravity detection device, opens the opening and closing of plate control collecting box, complete the automatic recycling of impurities in liquid, improve impurity
The efficiency and the degree of automation of recycling.
Further, the collecting box outer surface is equipped with connecting rod, the connecting rod side and the fixed company of the collecting box
It connecing, the connecting rod other side is fixedly connected with the input pipe, and the connecting rod and input pipe junction are equipped with buffering spacer,
Fixed collecting box, prevents falling for collecting box, ensure that the stability of differential pressure flowmeter entirety.
Further, the circular baffle plate surface is equipped with rubber layer, and the rubber layer side is equipped with rotation axis, rotation axis one
Side is equipped with baffler, and baffler effectively raises the barrier area of circular baffle plate, ensure that the patency of current limiting tube.
The utility model realize it is following the utility model has the advantages that
The utility model completes the measurement of fluid flow by input pipe, efferent duct and current limiting tube, by detecting current limliting
The pressure of liquid before and after pipe is carried out the filtering of liquid impurity using filter screen, then passes through collection to judge the flow of liquid
Case carries out the recycling of impurity, ensure that differential pressure flowmeter can be normally carried out the measurement of fluid flow, the setting of circular baffle plate is protected
The unobstructed of current limiting tube has been demonstrate,proved, has prevented some small impurity through filter screen, is accumulated in current limliting nozzle, cause the blocking of current limiting tube,
Generate the situation of fluid flow detection inaccuracy.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model plays lift-slab structure schematic diagram；
Fig. 3 is the utility model collecting box top view.
Appended drawing reference:
Input pipe 1；Efferent duct 2；Display device 3；Current limiting tube 4；Union 5；Screw thread 6；Sealing ring 7；Input pressure pipe 11；
First measurement plate 12；First pressure detection device 13；Filter screen 14；Open plate 15；Gravity detection device 16；Collecting box 17；It is defeated
Pressure pipe 21 out；Second measurement plate 22；Second pressure detection device 23；Display screen 31；Connect circuit 32；Differential pressure pickup 33；
Shaft 151；Connection lock 152；Pivoting leaf 171；Connecting shaft 172；Cutter 173；Placing groove 174；Hole 175；Connecting rod 176；
Elastic rod 41；Squeeze spring 42；Dredge bar 43；Circular baffle plate 44；Rotation axis 45；Baffler 46.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig. 1-3, the utility model provides a kind of technical solution, it is a kind of can automatic fitration liquid movable joint pressure difference
Flowmeter, including input pipe 1, efferent duct 2 and display device 3, wherein the input pipe 1 and 2 junction of efferent duct are equipped with current limliting
Pipe 4,1 inner surface of input pipe are equipped with input pressure pipe 11, and the input pressure pipe 11 and 1 junction of input pipe are equipped with first
Measurement plate 12,12 surface of the first measurement plate are equipped with first pressure detection device 13, and 2 inner surface of efferent duct is equipped with output
Pressure pipe 21, the output pressure pipe 21 and 2 junction of efferent duct are equipped with the second measurement plate 22,22 surface of the second measurement plate
Equipped with second pressure detection device 23, when carrying out fluid flow detection, differential pressure flowmeter is the pressure difference by detecting liquid
The calculating of fluid flow is completed, current limiting tube 4 is equipped among the input pipe 1 and efferent duct 2, current limiting tube 4 is compared to input pipe 1
It is smaller with diameter for efferent duct 2, it is used to carry out current limliting, when being detected, 12 He of the first measurement plate of hydraulic shock to liquid
Second measurement plate 22, the first pressure detection device 13 and second pressure detection device 23 of surface both carry out the number of fluid pressure
According to acquisition, the measurement again of fluid pressure, the result that will be measured twice are carried out by input pressure pipe 11 and output pressure pipe 21
It is compared in real time, obtains accurately data, carry out the calculating of fluid flow exact value；
The display device 3 includes display screen 31, connection circuit 32 and differential pressure pickup 33, and connection circuit 32 is common electricity
Line, the 33 input terminal side of differential pressure pickup connect the input pressure pipe 11, and 33 input terminal of differential pressure pickup is another
Side connects the output pressure pipe 21, and 32 side of connection circuit is connected with 33 output end of differential pressure pickup, the company
It connects 32 other side of circuit and the display screen 31 connects, input pressure pipe 11 and output pressure pipe 21 are directly connected to differential pressure pickup
33, the measurement of pressure difference value is carried out by differential pressure pickup 33, first pressure detection device 13 and second pressure detection device 23 will
The result of detection is sent to differential pressure pickup 33, and differential pressure pickup 33 obtains the data of fluid flow by the data of the two, and
The data of acquisition are depicted as to different images, respectively pressure-detecting device data traffic image, pressure pipe data flow spirogram
The data traffic image that picture and the two combine is directly displayed on display screen 31, convenient for the direct of user by connecting circuit 32
Observation；
The input pipe 1 is equipped with the filter screen 14 being obliquely installed, 14 downside of filter screen far from 4 side of current limiting tube
Equipped with plate 15 is opened, 15 surface of opening plate is equipped with gravity detection device 16, is equipped with collecting box 17 on the downside of the opening plate 15,
It is equipped with pivoting leaf 171 inside the collecting box 17, is equipped with connecting shaft 172,172 table of connecting shaft on the downside of the pivoting leaf 171
Face is equipped with cutter 173, and 17 bottom of collecting box is equipped with placing groove 174, and the placing groove 174 is nested with connecting shaft 172 even
It connects, 17 lower surface of collecting box is equipped with several holes 175, and the current limiting tube 4 is equipped with elastic rod close to 2 side of efferent duct
41,41 two sides of elastic rod connect 2 inner surface of efferent duct, and the elastic rod 41 and 2 inner surface junction of efferent duct are set
Have and squeeze spring 42, squeeze the integral, flexible that spring 42 is used to increase elastic rod 41,41 middle position of elastic rod, which is equipped with, dredges
Through rod 43, the dredging bar 43 are equipped with circular baffle plate 44 far from 41 side of elastic rod, and the size of circular baffle plate 44 is current limliting
4 caliber half of pipe often has some impurity, the blocking of pipeline can be caused for a long time by getting off, and be passed through when liquid is flowed
Filter screen 14 carries out the filtering of impurity, can effectively reduce the occurrence of line clogging, impurity carries out at filter screen 14
Accumulation, since filter screen 14 is obliquely installed, impurity is more more to be deposited on the downside of filter screen 14, when gravity detection device 16
When the data of detection are beyond the maximum value set, control is opened plate 15 and is opened, and enters impurity in collecting box 17, in weight
When the gravity that force checking device 16 detects is less than the minimum value of setting, control is opened plate 15 and is closed, and enters receipts in impurity
When in header 17, impurity and liquid are stamped into first on pivoting leaf 171, rotate pivoting leaf 171, due to pivoting leaf 171
Rotation, drive the rotation of connecting shaft 172 to shred impurity to drive the rotation of cutter 173, convenient for subsequent
It collects, placing groove 174 is for placing connecting shaft 172, the position of fixed connection shaft 172 and the rotation convenient for connecting shaft 172, in liquid
After body is filtered by filter screen 14, circular baffle plate will push since the liquid of flowing has certain kinetic energy by current limiting tube 4
44 leave current limiting tube 4, and when current limiting tube 4 blocks, water flow can become smaller, and by the elastic force of elastic rod 41 and extruding spring 42, make to justify
44 position of shape baffle is restored, and when circular baffle plate 44 is stretched, can dredge current limiting tube 4, water flow is made to become larger, circular baffle plate 44 is released
Current limiting tube 4.
Wherein, the current limiting tube 4 is cone-shaped pipe, and the current limiting tube 4 is fixedly connected with 1 inner surface of input pipe, circular cone
Shape pipeline is convenient for the current limliting of water flow, and the gradient buffered to water flow one avoids water flow from directly becoming smaller and causes current limiting tube 4 and input pipe
The damage of 1 junction increases whole service life.
Wherein, the input pipe 1 and efferent duct 2 are equipped with union 5, the union 5 far from 4 side of current limiting tube
It is internally threaded 6,6 side of screw thread is equipped with sealing ring 7, and the setting of sealing ring 7 is on 6 surface of screw thread, in connection
Sealing, prevents the leakage of liquid, and the connection of pipeline is carried out by union 5, is easily installed and dismantles.
Wherein, 15 side of opening plate is equipped with shaft 151, and 15 other side of opening plate is equipped with connection lock 152, described
Connection lock 152 and gravity detection device 16 connect, and the two is by being electrically directly connected to, in the weight that gravity detection device 16 detects
When power exceeds preset value, by electrical connection, to control the opening of connection lock 152, connection lock 152 is movable telescopic rod,
According to the different signal of gravity detection device 16, the flexible of telescopic rod is carried out, to complete the opening and closing of connection lock 152, makes to open plate
15 can be freely rotated by shaft 151, convenient for the discharge of impurity.
Wherein, 17 outer surface of collecting box is equipped with connecting rod 176,176 side of connecting rod and the collecting box 17
It is fixedly connected, 176 other side of connecting rod is fixedly connected with the input pipe 1, and the connecting rod 176 and input pipe 1 connect
Place is equipped with buffering spacer, and connecting rod 176 is used to fix the position of collecting box 17, and buffering spacer reduces connecting rod 176 and input pipe 1
Friction, increase the stability in the service life used and collecting box 17.
Wherein, 44 surface of circular baffle plate is equipped with rubber layer, and the rubber layer side is equipped with rotation axis 45, rotation axis 45
Side is equipped with baffler 46, and the frictional force that rubber layer is used to increase circular baffle plate 44 passes through when circular baffle plate 44 is stretched
The setting of baffler 46 is avoided to increase the blocking area of circular baffle plate 44 using the rotation of the progress baffler 46 of rotation axis 45
Block current limiting tube 4.
The above embodiments are only for explaining the technical ideas and features of the present invention, and the purpose is to allow be familiar with the technical field
Technical staff can understand the content of the utility model and implement accordingly, the protection of the utility model can not be limited with this
Range.All equivalent changes or modifications according to made by the spirit of the present invention essence should all cover the guarantor in the utility model
Within the scope of shield.
Claims (6)
1. one kind can automatic fitration liquid movable joint differential pressure flowmeter, including input pipe (1), efferent duct (2) and display device
(3), it is characterised in that: the input pipe (1) and efferent duct (2) junction are equipped with current limiting tube (4), the interior table of the input pipe (1)
Face is equipped with input pressure pipe (11), and the input pressure pipe (11) and input pipe (1) junction are equipped with the first measurement plate (12), institute
The first measurement plate (12) surface is stated equipped with first pressure detection device (13), efferent duct (2) inner surface is equipped with output pressure
It manages (21), the output pressure pipe (21) and efferent duct (2) junction are equipped with the second measurement plate (22), second measurement plate
(22) surface is equipped with second pressure detection device (23)；
The display device (3) includes display screen (31), connection circuit (32) and differential pressure pickup (33), the differential pressure pickup
(33) input terminal side connects the input pressure pipe (11), and differential pressure pickup (33) the input terminal other side connection is described defeated
Pressure pipe (21) out, the connection circuit (32) side are connected with the differential pressure pickup (33) output end, the connection circuit
(32) other side and the display screen (31) connection；
The input pipe (1) is equipped with the filter screen (14) being obliquely installed, the filter screen (14) far from the current limiting tube (4) side
Downside, which is equipped with, opens plate (15), and the opening plate (15) surface is equipped with gravity detection device (16), on the downside of the opening plate (15)
Equipped with collecting box (17), pivoting leaf (171) are equipped with inside the collecting box (17), connection is equipped on the downside of the pivoting leaf (171)
Axis (172), connecting shaft (172) surface are equipped with cutter (173), and collecting box (17) bottom is equipped with placing groove (174),
The placing groove (174) and connecting shaft (172) nested encryptions, collecting box (17) lower surface are equipped with several holes (175), institute
It states current limiting tube (4) and is equipped with elastic rod (41) close to the efferent duct (2) side, elastic rod (41) two sides connect the output
(2) inner surface is managed, the elastic rod (41) and efferent duct (2) inner surface junction, which are equipped with, squeezes spring (42), the elastic rod
(41) middle position is equipped with dredging bar (43), and the dredging bar (43) is equipped with circular baffle plate far from the elastic rod (41) side
(44).
2. one kind according to claim 1 can automatic fitration liquid movable joint differential pressure flowmeter, it is characterised in that: it is described
Current limiting tube (4) is cone-shaped pipe, and the current limiting tube (4) is fixedly connected with input pipe (1) inner surface.
3. one kind according to claim 1 can automatic fitration liquid movable joint differential pressure flowmeter, it is characterised in that: it is described
Input pipe (1) and efferent duct (2) are equipped with union (5) far from the current limiting tube (4) side, are set inside the union (5)
Have screw thread (6), screw thread (6) side is equipped with sealing ring (7).
4. one kind according to claim 1 can automatic fitration liquid movable joint differential pressure flowmeter, it is characterised in that: it is described
It opens plate (15) side and is equipped with shaft (151), the opening plate (15) other side is equipped with connection lock (152), the connection lock
(152) it is connected with gravity detection device (16).
5. one kind according to claim 1 can automatic fitration liquid movable joint differential pressure flowmeter, it is characterised in that: it is described
Collecting box (17) outer surface is equipped with connecting rod (176), and connecting rod (176) side is fixedly connected with the collecting box (17),
Connecting rod (176) other side is fixedly connected with the input pipe (1), the connecting rod (176) and input pipe (1) junction
Equipped with buffering spacer.
6. one kind according to claim 1 can automatic fitration liquid movable joint differential pressure flowmeter, it is characterised in that: it is described
Circular baffle plate (44) surface is equipped with rubber layer, and the rubber layer side is equipped with rotation axis (45), and rotation axis (45) side is equipped with resistance
Partition (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991033.7U CN209197808U (en) | 2018-11-30 | 2018-11-30 | It is a kind of can automatic fitration liquid movable joint differential pressure flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991033.7U CN209197808U (en) | 2018-11-30 | 2018-11-30 | It is a kind of can automatic fitration liquid movable joint differential pressure flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209197808U true CN209197808U (en) | 2019-08-02 |
Family
ID=67426909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821991033.7U Active CN209197808U (en) | 2018-11-30 | 2018-11-30 | It is a kind of can automatic fitration liquid movable joint differential pressure flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209197808U (en) |
-
2018
- 2018-11-30 CN CN201821991033.7U patent/CN209197808U/en active Active
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