CN204944622U - Magnetic pointer fluid level transmitter - Google Patents
Magnetic pointer fluid level transmitter Download PDFInfo
- Publication number
- CN204944622U CN204944622U CN201520615179.1U CN201520615179U CN204944622U CN 204944622 U CN204944622 U CN 204944622U CN 201520615179 U CN201520615179 U CN 201520615179U CN 204944622 U CN204944622 U CN 204944622U
- Authority
- CN
- China
- Prior art keywords
- pointer
- fluid level
- level transmitter
- shaped fork
- semi
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of magnetic pointer fluid level transmitter, this magnetic pointer fluid level transmitter comprises ball float, pointer, dial plate, HALL magnetosensitive semi-ring, circular magnet and T-shaped fork, this ball float is fixed on the lower end of this T-shaped fork, liquid storage tank skin is stretched out in this T-shaped fork rotating shaft section, this dial plate and this HALL magnetosensitive semi-ring is fixed outside tank skin, the roller end of stretching out this T-shaped fork of this dial plate fixes this pointer, and the montant of sensing and this T-shaped fork in the same way, adsorbs this circular magnet inside this pointer.This magnetic pointer fluid level transmitter has signal conversion and transporting function, safety anti-explosive, economical and practical, and avoiding in crude oil storage tank electrically strikes sparks causes deflagration accident having, and under avoiding the tank liquid condition of high temperature, magneto sensor is malfunctioning simultaneously.
Description
Technical field
The utility model relates to oil well tank liquid level gauge, particularly relates to a kind of magnetic pointer fluid level transmitter.
Background technology
At present, the side-mounted pointer floating ball lever meter of the many employings of oil field individual well tank liquid level emasuring device, the pointer of this liquid level gauge and the swing arm of end winding support ball float are coaxially angularly rotated, point to parallel with swing arm all the time and in the same way, pointer fluctuates with ball float and angle changing, in dial plate instruction liquid level position, for single machinery instrument, be mainly used in the liquid level change that field staff's Real Time Observation single tank in well production is singly drawn in oil field, this detection mode does not possess parameter transporting function, makes troubles to the telemanagement of oil field individual well tank.Another kind of oil field is commonly used liquid level and is counted roof-mounted magnetic floating-ball fluid level transmitter, when the liquid level change of container, magnetic ball float moves up and down along upright slide rail, in slide rail, dry spring is by magnetic attracting, and liquid level position is converted into electric signal, by Displaying Meter instruction liquid level position, electricity, magnetic cell part are placed in tank by this fluid level transmitter, bring potential safety hazard to production of hydrocarbons, be generally used for the measurement of viscosity, water level that explosive-proof grade is lower etc., and the roof-mounted field staff of being not easy to observes liquid level change.We have invented a kind of new magnetic pointer fluid level transmitter for this reason, solve above technical matters.
Summary of the invention
The purpose of this utility model be to provide a kind of have signal conversion and transporting function, safety anti-explosive, economical and practical novel single tank Special liquid level transducer.
The purpose of this utility model realizes by following technical measures: magnetic pointer fluid level transmitter, this magnetic pointer fluid level transmitter comprises ball float, pointer, dial plate, HALL magnetosensitive semi-ring, circular magnet and T-shaped fork, this ball float is fixed on the lower end of this T-shaped fork, liquid storage tank skin is stretched out in this T-shaped fork rotating shaft section, this dial plate and this HALL magnetosensitive semi-ring is fixed outside tank skin, the roller end of stretching out this T-shaped fork of this dial plate fixes this pointer, the montant of sensing and this T-shaped fork in the same way, adsorbs this circular magnet inside this pointer.
The purpose of this utility model also realizes by following technical measures:
This magnetic pointer fluid level transmitter also comprises oil sealing and bearing block assembly, and this T-shaped fork rotating shaft two is takeed on and is fixed in fluid reservoir by this oil sealing and bearing block assembly.
All T-shaped with this fork rotating shaft core in the semicircle center of circle of this dial plate and this HALL magnetosensitive semi-ring overlaps and aligns.
This circular magnet is towards this center of circle, dial plate side and this HALL magnetosensitive semi-ring inside and outside footpath central track trace just to laying, and clearance distance is no more than 15mm.
On this HALL magnetosensitive semi-ring inside and outside footpath centrode, uniform 21 Hall elements change in order to induced field.
This magnetic pointer fluid level transmitter also comprises the data processing unit being positioned at ground, and the connection terminal of this HALL magnetosensitive semi-ring is connected to this data processing unit.
Magnetic pointer fluid level transmitter in the utility model, transmission is sent in the measurement and the change that are mainly used in oil field individual well tank liquid level, also can be applicable to other storage tank level gauging and transformation that blade diameter length ratio is greater than the vertical fluid-storage tank of 1, the detection of horizontal liquid tank level and has been equipped with mechanical indicator dial plate.Thing position information is carried out current potential conversion by this magnetic pointer fluid level transmitter, is finally transformed into 4 ~ 20mA or RS485 and exports, achieve parameter teletransmission.Magnetic, electro-induction element are arranged on the mechanical dial plate position of storage tank outside, are encapsulated in epoxy resin, and avoiding in crude oil storage tank electrically strikes sparks causes deflagration accident having, and under avoiding the tank liquid condition of high temperature, magneto sensor is malfunctioning simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of a specific embodiment of magnetic pointer fluid level transmitter of the present utility model;
Fig. 2 is the left view of a specific embodiment of magnetic pointer fluid level transmitter of the present utility model;
Fig. 3 is the front view of the utility model magnetic pointer fluid level transmitter HALL magnetosensitive semi-ring;
Fig. 4 is the vertical view of the utility model magnetic pointer fluid level transmitter HALL magnetosensitive semi-ring;
Front view when Fig. 5 is the installation of the utility model magnetic pointer fluid level transmitter;
Left view when Fig. 6 is the installation of the utility model magnetic pointer fluid level transmitter.
Embodiment
For making above and other object of the present utility model, feature and advantage can become apparent, cited below particularly go out preferred embodiment, and coordinate shown in accompanying drawing, be described in detail below.
As depicted in figs. 1 and 2, Fig. 1 is the front view of magnetic pointer fluid level transmitter of the present utility model, and Fig. 2 is the left view of magnetic pointer fluid level transmitter of the present utility model.This magnetic pointer fluid level transmitter comprises ball float 1, data processing unit 2, pointer 3, dial plate 4, HALL magnetosensitive semi-ring 5, oil sealing and bearing block assembly 6, circular magnet 7, T-shaped fork 8, ball float 1 is fixed on T-shaped fork 8 lower end, T-shaped fork 8 rotating shaft two is takeed on and is fixed in fluid reservoir 9 by oil sealing and bearing block assembly 6, fluid reservoir 9 tank skin is stretched out in T-shaped fork 8 rotating shaft one section, fixed dial 4 and HALL magnetosensitive semi-ring 5 outside tank skin, and the two elements semicircle center of circle all overlaps with T-shaped fork 8 rotating shaft core and aligns, HALL magnetosensitive semi-ring 5 connection terminal connection data processing unit 2, stretch out the T-shaped fork 8 roller end fixed pointers 3 of dial plate 4, sensing and T-shaped fork 8 montant are in the same way, circular magnet 7 is adsorbed inside pointer 3, circular magnet 7 is towards in the center of circle, dial plate side and HALL magnetosensitive semi-ring 5, external diameter central track trace is just to laying, clearance distance is no more than 15mm, common formation magnetic pointer fluid level transmitter.
During level gauging, ball float 1 fluctuates with level change, pointer 3 is followed ball float and is swung, the scale pointing to dial plate 4 is liquid level position in fluid reservoir 9, when liquid level reaches a certain position, pointer 3 points to scale corresponding to this position, the circular magnet 7 be adsorbed in inside pointer 3 is positioned at HALL magnetosensitive semi-ring 5, external diameter centrode is directly over a bit, this point place or neighbouring Hall element produce induction electromotive force change, collect in single-chip microcomputer by multi-way switch in data processing unit 2, through the comparison to sampled value, the Hall element Hmax finding magnitude of voltage maximum, the Position Approximate of preliminary judgement pointer 3, then the previous Hall element Hmax-1 of this element is compared, the sampled value of a rear Hall element Hmax+1 and this Hall element Hmax, according to relative size determination pointer 3 accurate location of these three values, finally in data processing unit 2, carry out D/A conversion, export with 4 ~ 20mA or RS485 signal and realize parameter teletransmission.
As shown in Figure 3 and Figure 4, being HALL magnetosensitive semi-loop, is parts of magnetic pointer fluid level transmitter.Fig. 5 and Fig. 6 is front view and the left view of scheme of installation, and front view is the half side of symmetrical tank body, and in Fig. 6,9 is fluid reservoir, and tank chain lines is liquid level in tank.
Magnetic pointer fluid level transmitter in the utility model, has increased HALL magnetosensitive semi-ring newly, and on the centrode of HALL magnetosensitive semi-ring inside and outside footpath, uniform 21 Hall elements change in order to induced field; The pointer back side increases circular magnet, along HALL magnetosensitive semi-ring orbiting motion, can produce magnetic field position change; Ground increases data processing unit and comprises power management module, MCU measurement and download debugging module, D/A output module, RS485 communication and Zigbee communication module, for sensor power, and carry out that current potential compares, magnet position becomes and changes and teletransmission with the linear interpolation of electromotive force, data.
Claims (6)
1. magnetic pointer fluid level transmitter, it is characterized in that, this magnetic pointer fluid level transmitter comprises ball float, pointer, dial plate, HALL magnetosensitive semi-ring, circular magnet and T-shaped fork, this ball float is fixed on the lower end of this T-shaped fork, liquid storage tank skin is stretched out in this T-shaped fork rotating shaft section, and fix this dial plate and this HALL magnetosensitive semi-ring outside tank skin, the roller end of stretching out this T-shaped fork of this dial plate fixes this pointer, the montant of sensing and this T-shaped fork in the same way, adsorbs this circular magnet inside this pointer.
2. magnetic pointer fluid level transmitter according to claim 1, is characterized in that, this magnetic pointer fluid level transmitter also comprises oil sealing and bearing block assembly, and this T-shaped fork rotating shaft two is takeed on and is fixed in fluid reservoir by this oil sealing and bearing block assembly.
3. magnetic pointer fluid level transmitter according to claim 1, is characterized in that, all T-shaped with this fork rotating shaft core in the semicircle center of circle of this dial plate and this HALL magnetosensitive semi-ring overlaps and aligns.
4. magnetic pointer fluid level transmitter according to claim 1, is characterized in that, this circular magnet is towards this center of circle, dial plate side and this HALL magnetosensitive semi-ring inside and outside footpath central track trace just to laying, and clearance distance is no more than 15mm.
5. magnetic pointer fluid level transmitter according to claim 1, is characterized in that, on this HALL magnetosensitive semi-ring inside and outside footpath centrode, uniform 21 Hall elements change in order to induced field.
6. magnetic pointer fluid level transmitter according to claim 1, is characterized in that, this magnetic pointer fluid level transmitter also comprises the data processing unit being positioned at ground, and the connection terminal of this HALL magnetosensitive semi-ring is connected to this data processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615179.1U CN204944622U (en) | 2015-08-14 | 2015-08-14 | Magnetic pointer fluid level transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615179.1U CN204944622U (en) | 2015-08-14 | 2015-08-14 | Magnetic pointer fluid level transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204944622U true CN204944622U (en) | 2016-01-06 |
Family
ID=55012038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520615179.1U Expired - Fee Related CN204944622U (en) | 2015-08-14 | 2015-08-14 | Magnetic pointer fluid level transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204944622U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218993A (en) * | 2022-07-06 | 2022-10-21 | 大庆市镁龙测控技术有限公司 | Explosion-proof dial type remote transmission liquid level sensor |
-
2015
- 2015-08-14 CN CN201520615179.1U patent/CN204944622U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218993A (en) * | 2022-07-06 | 2022-10-21 | 大庆市镁龙测控技术有限公司 | Explosion-proof dial type remote transmission liquid level sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160106 Termination date: 20200814 |