CN109253778B - Floating ball liquid level meter - Google Patents

Floating ball liquid level meter Download PDF

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Publication number
CN109253778B
CN109253778B CN201811302779.7A CN201811302779A CN109253778B CN 109253778 B CN109253778 B CN 109253778B CN 201811302779 A CN201811302779 A CN 201811302779A CN 109253778 B CN109253778 B CN 109253778B
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China
Prior art keywords
liquid level
rod
floating
sensing
hollow
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CN201811302779.7A
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CN109253778A (en
Inventor
范华献
王新科
钟诚
钟金龙
李宝林
陈熙
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China South Industries Group Automation Research Institute
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China South Industries Group Automation Research Institute
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/64Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
    • G01F23/72Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements using magnetically actuated indicating means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/76Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats characterised by the construction of the float

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)

Abstract

The invention discloses a floating ball liquid level meter, which comprises a liquid level meter fixing device, wherein a liquid level meter port is arranged on the fixing device, a hollow floating rod is fixedly arranged on the fixing device, a liquid level sensor is arranged on the hollow floating rod, the floating rod assembly matched with the liquid level sensor is also included, the floating rod assembly comprises a floater, a sensing floating ball and a connecting screw rod, the floater is sleeved on the hollow floating rod, the upper end of the connecting screw rod is fixed on the floater, the sensing floating ball is sleeved on the connecting screw rod and the hollow floating rod, at least one end of the sensing floating ball is fixed on the connecting screw rod, and the sensing floating ball can slide relative to the hollow floating rod, so that the technical effects of suitability for various liquid level heights, adjustable measuring range and high measuring precision are achieved.

Description

Floating ball liquid level meter
Technical Field
The invention relates to the field of liquid level meters, in particular to a floating ball liquid level meter.
Background
The height of the liquid medium in the container is called the liquid level, and the instrument for measuring the liquid level is called a liquid level meter. The liquid level meter is one of material resource meters, has the advantages of simple structure, convenience in use, stable performance, long service life, convenience in installation and maintenance and the like, and is widely applied to liquid level measurement in the fields of petroleum processing, food processing, chemical engineering, water treatment, pharmacy, electric power, papermaking, metallurgy, ships, boilers and the like.
At present, the magnetic float level meter at home and abroad is developed according to the principle of buoyancy and magnetic coupling, when the liquid in a container rises and falls, the leading float of the level meter also rises and falls, and the permanent magnetic steel in the float and a sensor (spring switch) act to change the number of elements (such as fixed value resistance) connected in series with a circuit, so that the electrical quantity of an instrument circuit system is changed. Namely, the change of the position of the magnetic floating ball causes the change of the electric quantity, and the condition of the liquid level in the container is reflected by detecting the change of the electric quantity. The liquid level meter can directly output resistance signals, can also be matched with a transmission module to output current value signals, and is matched with other converters to output voltage signals or switching signals. Thus realizing the remote transmission, analysis and control of the electrical signals. The liquid level gauge has the characteristics of simple structure, convenience in installation, long service life, simplicity in maintenance and the like, and is widely applied.
However, the magnetic float ball level meter in the market generally has the problem that the upper and lower positions of the detected liquid level are determined as long as the type of the level meter is determined, the height of the upper and lower surfaces of the liquid level needs to be adjusted according to the type of the level meter when the magnetic float ball level meter is used, and the magnetic float ball level meter needs to be purchased again if the system is changed to some extent after the magnetic float ball level meter is purchased, so that the waste of manpower and material resources is inconvenient.
Therefore, it is necessary to develop a liquid level gauge suitable for different liquid level heights and having high measurement accuracy.
Disclosure of Invention
The technical problems that the upper position and the lower position of a detected liquid level of the existing magnetic floating ball liquid level are determined only by determining the type of a liquid level meter, and the upper height and the lower height of the liquid level are required to be adjusted according to the type of the liquid level meter during use, so that the use is inconvenient are not solved.
In order to achieve the purpose, the technical scheme is as follows:
the utility model provides a floater level gauge, includes level gauge fixing device, and a fixing device goes up an installation level gauge port, a hollow float rod of fixing device fixed mounting, is provided with level sensor on the hollow float rod, still includes the float rod subassembly that uses with level sensor cooperation, the float rod subassembly includes float, sensing floater and connecting screw, the float overlaps on hollow float rod, the connecting screw upper end is fixed in on the float, the sensing floater overlaps on connecting screw and hollow float rod, and on at least one end was fixed in connecting screw, the sensing floater can slide for hollow float rod.
Preferably, the connecting screw rods are symmetrically arranged relative to the hollow floating rod.
Preferably, the sensing floating ball is fixed on the connecting screw rod through an adjusting nut.
Preferably, the position of the sensing floating ball is adjustable.
Preferably, there are 2 sensing floating balls.
Preferably, the relative position of the 2 sensing floating balls is adjustable.
Preferably, the fixing device consists of a box body and a flange connecting disc, a hole is formed in the upper surface of the box body, the flange connecting disc is located outside the box body, the hollow floating rod is fixedly installed below the flange connecting disc, and a liquid level meter port is installed on the flange connecting disc.
Preferably, more than 1 liquid level sensor is arranged on the hollow floating rod.
Preferably, in any of the above liquid level meters, the sensing floating ball is internally provided with permanent magnetic steel, and the liquid level sensor is a spring switch.
Preferably, in any of the above liquid level meters, the length of the hollow float rod of the liquid level meter is adjustable.
The working principle is as follows:
the device has the following principle that when the device works, the floater floats on the liquid surface, the sensing floating ball is suspended in the liquid through the floating rod assembly, the sensing floating ball moves to the position of the liquid level sensor along with the lifting of the liquid in the box body, and the liquid level sensor works to transmit an electric signal from a port of the liquid level meter through a cable.
The beneficial technical effects are as follows:
the liquid level meter has the advantages of simple structure, convenience in use, stable performance, long service life, convenience in installation and maintenance and the like, can respond to the change of the up-and-down fluctuation of liquid, has the advantage of variable measuring range, is large in adjustable range of the liquid level measuring range, is convenient to adjust, and really achieves real-time adjustment aiming at the actual use environment. The liquid level meter obtained by the invention also has the characteristic of high measurement precision, and is applied to the measurement of various liquid levels.
Drawings
FIG. 1: the structural schematic diagram of the floating ball liquid level meter;
FIG. 2: the structural schematic diagram of the floating ball liquid level meter;
FIG. 3: the structural schematic diagram of the floating ball liquid level meter;
FIG. 4: the structural schematic diagram of the floating ball liquid level meter;
in the figure: 1. the liquid level meter comprises a liquid level meter port, 2, a flange connection plate, 3, a cooling liquid box body, 4, a hollow floating rod, 5, a floater, 6, a floating rod assembly, 7, a sensing floating ball, 8, an adjusting nut, 9, a liquid level sensor, 10 and a connection screw rod.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
Embodiment 1A float level gauge
The utility model provides a floater level gauge, includes level gauge fixing device, and fixing device is last to install a level gauge port 1, and a hollow float rod 4 of fixing device fixed mounting is provided with level sensor 9 on the hollow float rod 4, still includes the float rod subassembly 6 that uses with level sensor 9 cooperation, float rod subassembly 6 includes float 5, sensing floater 7 and connecting screw 10, float 5 overlaps on hollow float rod 4, connecting screw 10 upper end is fixed in on float 5, sensing floater 7 overlaps on connecting screw 10 and hollow float rod 4, and on at least one end was fixed in connecting screw 10, sensing floater 7 can slide for hollow float rod 4.
The connecting screw rods 10 are symmetrically arranged relative to the hollow floating rod 4.
The sensing floating ball 7 is fixed on the connecting screw rod 10 through an adjusting nut 8.
The position of the sensing floating ball 7 is adjustable.
There are 1 sensing floating ball 7.
The fixing device is composed of a box body 3 and a flange connecting disc 2, a hole is formed in the upper surface of the box body 3, the flange connecting disc 2 is located outside the box body, the hollow floating rod 4 is fixedly installed below the flange connecting disc 2, and a liquid level meter port 1 is installed on the flange connecting disc.
And 2 liquid level sensors 9 are arranged on the hollow floating rod 4.
According to the liquid level meter, permanent magnetic steel is arranged in the sensing floating ball 7, and the liquid level sensor 9 is a spring switch.
The length of the hollow floating rod of the liquid level meter is adjustable.
By changing the relative position of the floater 5 and the sensing floating ball 7, as shown in figures 2 and 3, the liquid level meter can meet the monitoring of a series of liquid level heights of 300mm-500mm, 400mm-600mm, 500mm-700mm and the like.
Embodiment 2A floating ball level gauge
The utility model provides a floater level gauge, includes level gauge fixing device, and fixing device is last to install a level gauge port 1, and a hollow float rod 4 of fixing device fixed mounting is provided with level sensor 9 on the hollow float rod 4, still includes the float rod subassembly 6 that uses with level sensor 9 cooperation, float rod subassembly 6 includes float 5, sensing floater 7 and connecting screw 10, float 5 overlaps on hollow float rod 4, connecting screw 10 upper end is fixed in on float 5, sensing floater 7 overlaps on connecting screw 10 and hollow float rod 4, and on at least one end was fixed in connecting screw 10, sensing floater 7 can slide for hollow float rod 4.
The connecting screw rods 10 are symmetrically arranged relative to the hollow floating rod 4.
The sensing floating ball 7 is fixed on the connecting screw rod 10 through an adjusting nut 8.
The position of the sensing floating ball 7 is adjustable.
There are 2 sensing floating balls 7, as shown in fig. 4.
The fixing device is composed of a box body 3 and a flange connecting disc 2, a hole is formed in the upper surface of the box body 3, the flange connecting disc 2 is located outside the box body, the hollow floating rod 4 is fixedly installed below the flange connecting disc 2, and a liquid level meter port 1 is installed on the flange connecting disc.
And 2 liquid level sensors 9 are arranged on the hollow floating rod 4.
According to the liquid level meter, permanent magnetic steel is arranged in the sensing floating ball 7, and the liquid level sensor 9 is a spring switch.
The length of the hollow floating rod of the liquid level meter is adjustable.
The distance between the two sensing floating balls 7 is changed by adjusting the adjusting nut 8, so that the monitoring stroke of the liquid level meter is adjustable, and real-time adjustment aiming at the actual use environment is really realized.
The above embodiments are described in detail for the purpose of further illustrating the present invention and should not be construed as limiting the scope of the present invention, and the skilled engineer can make insubstantial modifications and variations of the present invention based on the above disclosure.

Claims (6)

1. A floating ball liquid level meter is characterized by comprising a liquid level meter fixing device, wherein a liquid level meter port (1) is arranged on the fixing device, a hollow floating rod (4) is fixedly arranged on the fixing device, a liquid level sensor (9) is arranged on the hollow floating rod (4), the floating rod device also comprises a floating rod component (6) matched with the liquid level sensor (9) for use, the floating rod component (6) comprises a floater (5), a sensing floating ball (7) and a connecting screw rod (10), the floater (5) is sleeved on the hollow floating rod (4), the upper end of the connecting screw rod (10) is fixed on the floater (5), the sensing floating ball (7) is sleeved on the connecting screw rod (10) and the hollow floating rod (4), at least one end of the sensing floating ball is fixed on the connecting screw rod (10), the sensing floating ball (7) can slide relative to the hollow floating rod (4), the sensing floating ball (7) is fixed on the connecting screw rod (10) through an adjusting nut (8), the position of the sensing floating ball (7) is adjustable; 2 sensing floating balls (7) are arranged; the relative position of the 2 sensing floating balls (7) is adjustable.
2. The gauge according to claim 1, characterized in that said connecting screw (10) is arranged symmetrically with respect to the hollow float (4).
3. The liquid level meter according to claim 1, wherein the fixing device is composed of a box body (3) and a flange connecting disc (2), a hole is formed in the upper surface of the box body (3), the flange connecting disc (2) is located outside the box body, the hollow floating rod (4) is fixedly installed below the flange connecting disc (2), and the liquid level meter port (1) is installed on the flange connecting disc.
4. Level gauge according to claim 1, characterized in that more than 1 level sensor (9) is arranged on the hollow float (4).
5. The level gauge of any one of claims 1 to 4, wherein permanent magnetic steel is provided in the sensing float (7), and the level sensor (9) is a spring switch.
6. The gauge of any of claims 1-4, wherein the gauge hollow float is adjustable in length.
CN201811302779.7A 2018-11-02 2018-11-02 Floating ball liquid level meter Active CN109253778B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811302779.7A CN109253778B (en) 2018-11-02 2018-11-02 Floating ball liquid level meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811302779.7A CN109253778B (en) 2018-11-02 2018-11-02 Floating ball liquid level meter

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CN109253778A CN109253778A (en) 2019-01-22
CN109253778B true CN109253778B (en) 2020-04-07

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847333A (en) * 1958-10-10 1960-09-07 George Henry Walton Improvements relating to gauges for measuring volumes of water in the form of droplets
CN202693084U (en) * 2012-07-18 2013-01-23 上海宝钢工业技术服务有限公司 Liquid level detection device capable of regulating length
CN202814507U (en) * 2012-09-19 2013-03-20 佛山市海天(高明)调味食品有限公司 Cage type ball liquid level measurement switch instrument
CN203587184U (en) * 2013-12-06 2014-05-07 尹正 Floating ball type liquid level transmitter measuring device
CN206695872U (en) * 2017-05-19 2017-12-01 浙江海洋大学东海科学技术学院 A kind of liquid level emasuring device
CN207335826U (en) * 2017-09-05 2018-05-08 上海融德机电工程设备有限公司 The adjustable type liquid level warning sensor peculiar to vessel of double knock point

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB847333A (en) * 1958-10-10 1960-09-07 George Henry Walton Improvements relating to gauges for measuring volumes of water in the form of droplets
CN202693084U (en) * 2012-07-18 2013-01-23 上海宝钢工业技术服务有限公司 Liquid level detection device capable of regulating length
CN202814507U (en) * 2012-09-19 2013-03-20 佛山市海天(高明)调味食品有限公司 Cage type ball liquid level measurement switch instrument
CN203587184U (en) * 2013-12-06 2014-05-07 尹正 Floating ball type liquid level transmitter measuring device
CN206695872U (en) * 2017-05-19 2017-12-01 浙江海洋大学东海科学技术学院 A kind of liquid level emasuring device
CN207335826U (en) * 2017-09-05 2018-05-08 上海融德机电工程设备有限公司 The adjustable type liquid level warning sensor peculiar to vessel of double knock point

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
磁力浮球液位计的设计;陈美凤等;《阀门》;20020625(第03期);第4-6页 *

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Effective date of registration: 20210401

Address after: 621000 building 31, No.7, Section 2, Xianren Road, Youxian District, Mianyang City, Sichuan Province

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Address before: 621000 Mianyang province Sichuan City Youxian District Road No. 7 two immortals

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