CN207248262U - A kind of flowmeter of suspended body flowmeter - Google Patents
A kind of flowmeter of suspended body flowmeter Download PDFInfo
- Publication number
- CN207248262U CN207248262U CN201721288238.4U CN201721288238U CN207248262U CN 207248262 U CN207248262 U CN 207248262U CN 201721288238 U CN201721288238 U CN 201721288238U CN 207248262 U CN207248262 U CN 207248262U
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- China
- Prior art keywords
- watchcase
- flowmeter
- mechanical linkage
- suspended body
- circuit board
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Abstract
The utility model discloses a kind of flowmeter of suspended body flowmeter, wherein, suspended body flowmeter includes taper measurement pipe, the flowmeter includes mechanical linkage, watchcase and circuit board, mechanical linkage and the axis of taper measurement pipe are vertically arranged, its one end is inserted perpendicularly into watchcase and is rotatablely connected with watchcase, the other end is located at outside watchcase and the side in measurement pipe, circuit board is fixed in watchcase, one end that mechanical linkage is located at outside watchcase, which is arranged, is connected with first annular magnet steel, it is arranged on the mechanical linkage inside watchcase and is connected with the second annular magnetic steel, it is provided with circuit board multiple for sensing the second annular magnetic steel magnetic field so as to produce the Hall sensor of electric signal.The utility model has achieveed the purpose that to reduce flowmeter failure rate, has improved service life.
Description
Technical field
A kind of flowmeter is the utility model is related to, more particularly to a kind of flowmeter of suspended body flowmeter.
Background technology
As shown in Figure 1, metal pipe float flow meter includes the taper measurement pipe 5 being vertically arranged（Cone mouth is downward）, positioned at cone
Float 4 in shape measurement pipe 5 and the flowmeter 6 being fixed on the outside of taper measurement pipe.As shown in Fig. 2, two in taper measurement pipe 5
End has been respectively and fixedly connected with guider and retainer, and detected fluid passes through shape between 5 madial wall of taper measurement pipe and float 4 from the bottom up
Into annular space 51 when, 4 upper and lower side of float produce pressure difference formed float 4 rise power, when climbing power suffered by float 4 is being flowed more than it
In body during 4 weight of float, float 4 just rises, and annular space 51 increases therewith, and fluid velocity declines immediately at annular space 51, and float is about 4
Side pressure difference reduces, and the climbing power for acting on float 4 is also reduced therewith, when climbing power is equal to leaching 4 weight of float in a fluid,
Float 4 is just stablized in a certain height, and height and fluid flow, therefore can roots there are correspondence in taper measurement pipe 5 for float 4
Go out to flow through the fluid flow of taper measurement pipe 5 according to altitude conversion of the float 4 in taper measurement pipe 5.The effect of flowmeter 6 be by
The numerical value conversion of 4 height of float into directly readable flow number or between be converted to electric signal in a manner of electronic digit it is direct
The numerical value of output flow.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, float ring is fixed with the floating part in existing suspended body flowmeter on float 4
Shape magnet steel, flowmeter include mechanical linkage 1, watchcase 2 and circuit board, and 1 one end of mechanical linkage is inserted perpendicularly into watchcase 2 and and watchcase
2 rotation connections, the other end is located at the outside of watchcase 2 and the side in taper measurement pipe 5, circuit board are fixed in watchcase, machinery
One end that connecting rod 1 is located inside watchcase 2 is connected with pointer 13, and one end that mechanical linkage 1 is located at outside watchcase 2, which is arranged, is connected with
One annular magnetic steel 11, angular displacement sensor 16 is connected on circuit board, and the shaft of angular displacement sensor 16 is inserted along mechanical linkage 1 is axial
It is connected on mechanical linkage 1 and is equipped with one end of pointer 13, and can be rotated synchronously with mechanical linkage 1.Float annular in float 4
Magnet steel and 11 magnetic coupling of first annular magnet steel on flowmeter mechanical linkage 1, when height hair of the float 4 in taper measurement pipe 5
During changing, float annular magnetic steel can drive first annular magnet steel 11 to rotate, so as to drive mechanical linkage 1 to rotate, and then drive
Angular displacement sensor 16 and pointer 13 rotate, and the dial 21 coordinated by pointer 13 and pointer 13 being capable of physical read-out flow number
Value；The angle that mechanical linkage 1 rotates is measured by angular displacement sensor 16, angular values are converted into electric signal, then by telecommunications
Number calculated by circuit board and to be converted into electronic value and export, show the electronic value of flow.
It is disadvantageous in that the angular displacement sensor 16 of mechanical contact is easy to wear, high failure rate, service life compared with
It is short, and as usage time increase accuracy can be reduced gradually so that the precision of flowmeter is low and high failure rate.
Utility model content
The purpose of this utility model is to provide a kind of flowmeter of suspended body flowmeter, solves asking for flowmeter high failure rate
Topic.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of flowmeter of suspended body flowmeter, wherein, suspended body flowmeter includes taper measurement pipe, and the flowmeter includes machine
Tool connecting rod, watchcase and circuit board, mechanical linkage and the axis of taper measurement pipe are vertically arranged, its one end be inserted perpendicularly into watchcase and
It is rotatablely connected with watchcase, the other end is located at outside watchcase and the side in taper measurement pipe, circuit board are fixed in watchcase, machine
One end that tool connecting rod is located at outside watchcase, which is arranged, is connected with first annular magnet steel, is arranged on the mechanical linkage inside watchcase solid
The second annular magnetic steel is connected to, is provided with circuit board some for sensing the second annular magnetic steel magnetic field so as to produce electric signal suddenly
That sensor.
By using above-mentioned technical proposal, Hall sensor can sense when the magnetic field of the second annular magnetic steel, and produce electricity
Signal, processing of the electric signal through circuit board ultimately forms result and is the electronic signal of flow number, and exports；Mechanical linkage turns
Dynamic to drive the second annular magnetic steel to rotate, the second annular magnetic steel, which rotates, produces changes of magnetic field, the electric signal that Hall sensor produces
Change, so that result of calculation changes.
It is preferred that the edge of circuit board set it is jagged, the second annular magnetic steel be located at notch it is interior and not with circuit board
Contact, multiple Hall sensors are disposed on the edge of notch.
By using above-mentioned technical proposal, the hall sensor on circuit board senses the effect in the second annular magnetic steel magnetic field more
It is good.
It is preferred that the quantity of Hall sensor is two.
By using above-mentioned technical proposal, two Hall sensors arrange that circuit board just being capable of basis by certain angle
Two Hall sensor induced fields produce the phase difference calculating processing of signal, the electronic signal of final output flow number.
It is preferred that the quantity of Hall sensor is three.
By using above-mentioned technical proposal, the calculating structure of circuit board is more accurate.
It is preferred that the second annular magnetic steel has equally distributed four magnetic poles and opposite two magnetic pole magnetics are different.
By using above-mentioned technical proposal, the magnetic field line more crypto set of the second annular magnetic steel causes Hall sensor to sense magnetic
The signal that field produces is stronger；Meanwhile second annular magnetic steel changes of magnetic field it is also larger so that the sensing of multiple Hall sensors
The phase difference that magnetic field produces signal is also larger, and two aspects combine so that the result of circuit board processing electric signal is more accurate.
It is preferred that one end end that mechanical linkage is located inside watchcase is connected with pointer, dial is connected with watchcase, is carved
Scale is between pointer and the second annular magnetic steel.
By using above-mentioned technical proposal, flow value can be read by mechanical indicator, can be with electronic output signal
Flow value is contrasted, and judges the accuracy of electronic value.
It is preferred that the part that mechanical linkage is located at outside watchcase is arranged with position-arresting disk and rotating disc, position-arresting disk plugged and fixed
On watchcase, rotating disc is between position-arresting disk and first annular magnet steel and affixed with mechanical linkage, and position-arresting disk is towards rotating disc
Surface on be connected with two gag lever posts, two gag lever posts are parallel with mechanical linkage, be connected with the side wall of rotating disc perpendicular to
The rotating bar of mechanical linkage, and rotating bar is between two gag lever posts.
By using above-mentioned technical proposal, limitation of the rotating bar through two gag lever posts, can only rotate between two gag lever posts,
Therefore the rotational angle of mechanical linkage is limited, and then limits the rotational angle for the pointer for following mechanical linkage to rotate, prevented
Indicators turn angle is excessive so as to bump against on watchcase, damages pointer.
It is preferred that being provided with shield below watchcase, shield is threadedly coupled with watchcase and mechanical linkage is located at outside watchcase
Part shroud including.
By using above-mentioned technical proposal, shield can protect the component on mechanical linkage.
In conclusion the utility model has following technique effect：By mechanical linkage set the second annular magnetic steel with
And multiple Hall sensors are set on circuit boards, multiple Hall sensors sense the second toroidal magnetic field and produce electric signal, and
And there are the electric signal phase that phase difference, circuit board are produced according to Hall sensor between the electric signal of different Hall sensors generations
The numerical computations processing of potential difference finally obtains flow value, by the electric signal process for being converted to flow value of mechanical linkage
In, Hall sensor and the second annular magnetic steel and mechanical linkage are non-contact setting, are not likely to produce abrasion, have reached reduction flow
Count failure rate, improve the purpose of service life.
Brief description of the drawings
Fig. 1 is the structure diagram of suspended body flowmeter in background technology；
Fig. 2 is taper measurement pipe and the cross-sectional view of float in background technology；
Fig. 3 is the structure diagram for the suspended body flowmeter that watchcase is removed in background technology；
Fig. 4 is the scheme of installation of the present embodiment；
Fig. 5 is the configuration schematic diagram of the present embodiment；
Fig. 6 is the configuration schematic diagram of another angle of the present embodiment；
Fig. 7 is the relative position schematic diagram of circuit board and the second annular magnetic steel.
In figure, 1, mechanical linkage；11st, first annular magnet steel；12nd, the second annular magnetic steel；13rd, pointer；14th, position-arresting disk；
141st, gag lever post；15th, rotating disc；151st, rotating bar；16th, angular displacement sensor；2nd, watchcase；21st, dial；23rd, shield；3rd, it is electric
Road plate；31st, notch；32nd, Hall sensor；4th, float；5th, taper measurement pipe；51st, annular space；6th, flowmeter.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts
Mark represents.It should be noted that word "front", "rear" used in the following description, "left", "right", " on ", " under ", " bottom
Face " and " top surface " refer to the direction in attached drawing, and word " interior " and " outer " are referred respectively to towards or away from particular elements geometry
The direction at center.
As shown in Figure 2 and Figure 4, a kind of suspended body flowmeter, comprising being vertically arranged and cone mouth taper measurement pipe 5 directed downwardly, position
In float 4 and flowmeter 6 in taper measurement pipe 5, flowmeter 6 is by being fixed in the stent and cone in the outside of taper measurement pipe 5
Shape measurement pipe 5 is fixedly connected, and detected fluid passes through the annular space 51 formed between 5 inner wall of taper measurement pipe and float 4 from the bottom up
When, 4 upper and lower side of float produces pressure difference and forms the power that float 4 rises, when climbing power suffered by float 4 is more than 4 weight of float in a fluid
During amount, float 4 just rises, and annular space 51 increases therewith, and fluid velocity declines immediately at annular space 51, and 4 upper and lower side pressure difference of float reduces,
The climbing power for acting on float 4 is also reduced therewith, and when climbing power is equal to leaching 4 weight of float in a fluid, float 4 is just stablized
In a certain height, float 4 height and fluid flow in taper measurement pipe 5 there are correspondence, therefore can bored according to float 4
Altitude conversion in shape measurement pipe 5 goes out to flow through the fluid flow of taper measurement pipe 5, and the effect of flowmeter 6 is by 4 height of float
Numerical value conversion is into directly readable electronic value signal.Float 4 is internally provided with float annular magnetic steel.
As shown in figure 5, a kind of flowmeter of suspended body flowmeter, including the horizontal mechanical company positioned at 5 side of taper measurement pipe
Bar 1（In Fig. 1 inside shield 23）, and watchcase 2 and the circuit board 3 being fixed on inside watchcase 2, the insertion of 1 one end of mechanical linkage
In watchcase 2 and exceed 3 position of circuit board, be arranged on mechanical linkage 1 close to the position of circuit board 3 and be connected with the second annular magnetic
Steel 12, the other end of mechanical linkage 1 are located at the outside of watchcase 2 and are measured in taper measurement pipe 5, mechanical linkage 1 close to taper
The position of pipe 5 is arranged the magnetic-coupled first annular magnet steel 11 of float annular magnetic steel being connected with inside float 4, on circuit board 3
It is provided with multiple for sensing 12 magnetic field of the second annular magnetic steel so as to produce the Hall sensor 32 of electric signal.Different Halls passes
The numerical value of the electrical signal phase difference produced between the electric signal that sensor 32 produces there are phase difference, circuit board according to Hall sensor
Calculating processing finally obtains flow value.
With reference to Fig. 2, Fig. 4 and Fig. 5, during change in location occurs for float 4 to gradual tend towards stability, in float 4
Float annular magnetic steel and first annular magnet steel 11 magnetic coupling interaction under, the change in location of float 4 can drive first annular magnetic
Steel 11 rotates, and drives mechanical linkage 1 to rotate when first annular magnet steel 11 rotates, so as to drive the second annular magnetic steel 12 to rotate, most
The second annular magnetic steel 12 is also at stable state when float 4 tends towards stability eventually, at this moment due to the magnetic field of the second annular magnetic steel 12
Change, electric signal caused by the second annular magnetic steel 12 that hall sensor 32 senses also can accordingly change, root
According to the electric signal, present flow rate value can be calculated.
As shown in fig. 7, in order to improve the effect that Hall sensor 32 senses 12 magnetic field of the second annular magnetic steel, in circuit board 3
Edge notch 31 is set, it is interior and do not contacted with circuit board 3, the edge of notch 31 that the second annular magnetic steel 12 be located at notch 31
Position is arranged at intervals with multiple Hall sensors 32.
Preferably, the quantity of Hall sensor 32 is two or three.
Preferably, the second annular magnetic steel 12 has equally distributed four magnetic poles and opposite two magnetic pole magnetics are different, in this way,
The magnetic field line more crypto set of second annular magnetic steel 12 make it that the signal that 32 induced field of Hall sensor produces is stronger；Together
When, it is also larger that the second annular magnetic steel 12 rotates caused changes of magnetic field so that multiple 32 induced fields of Hall sensor produce
The phase difference of signal is also larger, and it is more accurate that two aspects combine the flow number that the processing electric signal of circuit board 3 is obtained.
In addition, as shown in fig. 6, one end end that can also be on mechanical linkage 1 inside watchcase 2 is arranged affixed pointer
13, dial 21 is provided with watchcase 2, dial 21 is affixed by the bottom of support column and watchcase 2, and dial 21 is located at
Between 13 and second annular magnetic steel 12 of pointer.In this way, mechanical pointer 13 can be rotated with mechanical linkage 1, in dial 21
On point to the position of corresponding flow number.
As shown in figure 5, the part that mechanical linkage 1 is located at outside watchcase 2 is arranged with circular position-arresting disk 14 and rotating disc 15,
On watchcase 2, rotating disc 15 connects 14 plugged and fixed of position-arresting disk between position-arresting disk 14 and first annular magnet steel 11 and with machinery
Bar 1 is affixed, and position-arresting disk 14 is towards being connected with two gag lever posts 141, gag lever post 141 and mechanical linkage 1 on the surface of rotating disc 15
It is parallel, the rotating bar 151 perpendicular to mechanical linkage 1 is connected with the side wall of rotating disc 15, and rotating bar 151 is located at two gag lever posts
Between 141.In this way, limitation of the rotating bar 151 through two gag lever posts 141, can only rotate between two gag lever posts 141, therefore limit
The rotational angle of mechanical linkage 1 has been made, and then has limited the rotational angle for the pointer 13 for following mechanical linkage 1 to rotate, has prevented from referring to
13 rotational angle of pin is excessive so as to outrange.
As shown in Figure 3 and Figure 4, in order to protect the part that mechanical linkage 1 is located at outside watchcase 2, the lower section of watchcase 2 is provided with shield
Cover 23, including shield 23 is threadedly coupled with watchcase 2 and shrouds the part that mechanical linkage 1 is located at outside watchcase 2.
The course of work of the utility model is：
When fluid flows through taper measurement pipe 5, float 4 can be in not according to the of different sizes of 5 fluid flow of conical pipe is flowed through
With height, during change in location occurs for float 4 to gradual tend towards stability, float annular magnetic steel in float 4 and the
Under the magnetic coupling interaction of one annular magnetic steel 11, the change in location of float 4 can drive first annular magnet steel 11 to rotate, first annular magnetic
Steel 11, which rotates, drives mechanical linkage 1 to rotate, so as to drive the second annular magnetic steel 12 to rotate, final second annular magnetic steel 12 is in float
4 are also at stable state when tending towards stability.And height where float 4 is different, Hall sensor 32 is in the second annular magnetic steel 12
Position in magnetic field also differs, and Hall sensor 32 senses electrical signal phase difference caused by 12 magnetic field of the second annular magnetic steel
Differ, the electronic value signal of reaction different flow can be obtained.
In the second annular magnetic steel 12 with Hall sensor 32 since the effect of magnetic induction turns the physical location of mechanical linkage 1
During being changed to electronic value signal output, be not in contact with each other between the second annular magnetic steel 12 and Hall sensor 32, component it
Between abrasion it is smaller, reduce the failure rate of flowmeter, improve the service life of flowmeter.
This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability
Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but
As long as all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of flowmeter of suspended body flowmeter, wherein, suspended body flowmeter includes taper measurement pipe（5）, the flowmeter includes
Mechanical linkage（1）, watchcase（2）And circuit board（3）, mechanical linkage（1）With taper measurement pipe（5）Axis be vertically arranged, one
End is inserted perpendicularly into watchcase（2）Interior and and watchcase（2）Rotation connection, the other end are located at watchcase（2）It is exterior and be in taper measurement pipe
（5）Side, circuit board（3）It is fixed on watchcase（2）It is interior, mechanical linkage（1）Positioned at watchcase（2）Exterior one end, which is arranged, to be connected with
First annular magnet steel（11）, it is characterised in that positioned at watchcase（2）Internal mechanical linkage（1）On be arranged be connected with second annular
Magnet steel（12）, circuit board（3）On be provided with it is some be used for sense the second annular magnetic steel（12）Magnetic field is so as to produce electric signal suddenly
That sensor（32）.
A kind of 2. flowmeter of suspended body flowmeter according to claim 1, it is characterised in that：Circuit board（3）Edge part
Position sets jagged（31）, the second annular magnetic steel（12）Positioned at notch（31）It is interior and not with circuit board（3）Contact, multiple Halls pass
Sensor（32）It is disposed on notch（31）Edge.
A kind of 3. flowmeter of suspended body flowmeter according to claim 2, it is characterised in that：The quantity of Hall sensor is
Two.
A kind of 4. flowmeter of suspended body flowmeter according to claim 2, it is characterised in that：The quantity of Hall sensor is
Three.
A kind of 5. flowmeter of suspended body flowmeter according to claim 3 or 4, it is characterised in that：Second annular magnetic steel
（12）With equally distributed four magnetic poles and opposite two magnetic pole magnetics difference.
A kind of 6. flowmeter of suspended body flowmeter according to claim 5, it is characterised in that：Mechanical linkage（1）Positioned at table
Shell（2）Internal one end end is connected with pointer（13）, watchcase（2）Inside it is connected with dial（21）, dial（21）Positioned at finger
Pin（13）With the second annular magnetic steel（12）Between.
A kind of 7. flowmeter of suspended body flowmeter according to claim 6, it is characterised in that：Mechanical linkage（1）Positioned at table
Shell（2）Exterior part is arranged with position-arresting disk（14）And rotating disc（15）, position-arresting disk（14）Plugged and fixed is in watchcase（2）On, turn
Moving plate（15）Positioned at position-arresting disk（14）With first annular magnet steel（11）Between and and mechanical linkage（1）It is affixed, position-arresting disk（14）Court
To rotating disc（15）Surface on be connected with two gag lever posts（141）, two gag lever posts（141）With mechanical linkage（1）It is parallel, turn
Moving plate（15）Side wall on be connected with perpendicular to mechanical linkage（1）Rotating bar（151）, and rotating bar（151）It is spacing positioned at two
Bar（141）Between.
A kind of 8. flowmeter of suspended body flowmeter according to claim 7, it is characterised in that：Watchcase（2）Lower section is provided with
Shield（23）, shield（23）With watchcase（2）It is threadedly coupled and by mechanical linkage（1）Positioned at watchcase（2）Exterior part is shrouded
It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288238.4U CN207248262U (en) | 2017-09-30 | 2017-09-30 | A kind of flowmeter of suspended body flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288238.4U CN207248262U (en) | 2017-09-30 | 2017-09-30 | A kind of flowmeter of suspended body flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207248262U true CN207248262U (en) | 2018-04-17 |
Family
ID=61890709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721288238.4U Expired - Fee Related CN207248262U (en) | 2017-09-30 | 2017-09-30 | A kind of flowmeter of suspended body flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207248262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114920199A (en) * | 2021-12-30 | 2022-08-19 | 北京恒合信业技术股份有限公司 | Magnetic induction type flow sensor |
-
2017
- 2017-09-30 CN CN201721288238.4U patent/CN207248262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114920199A (en) * | 2021-12-30 | 2022-08-19 | 北京恒合信业技术股份有限公司 | Magnetic induction type flow sensor |
| CN114920199B (en) * | 2021-12-30 | 2024-04-09 | 北京恒合信业技术股份有限公司 | Magnetic induction type flow sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20210930 |