CN208187507U - A kind of teletransmission magnetic float level indicator of automatic zero adjustment - Google Patents
A kind of teletransmission magnetic float level indicator of automatic zero adjustment Download PDFInfo
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- CN208187507U CN208187507U CN201820344946.3U CN201820344946U CN208187507U CN 208187507 U CN208187507 U CN 208187507U CN 201820344946 U CN201820344946 U CN 201820344946U CN 208187507 U CN208187507 U CN 208187507U
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- liquid level
- magnetic float
- resistance value
- charactron
- zero adjustment
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Abstract
The utility model discloses a kind of teletransmission magnetic float level indicators of automatic zero adjustment, including hold-down support, liquid level charactron is equipped with above the hold-down support, the lower end of the liquid level charactron passes through the hold-down support and is connected with blowdown valve, and the side of the liquid level charactron is equipped with dry spring sensor；The liquid level charactron another upper lateral part corresponding with the dry spring sensor is connected with pressure guiding pipe, and lower part is connected with fluid communication pipe；The inside of the liquid level charactron is equipped with magnetic float, and the magnetic float includes float body and magnet, and the magnet is located at the upper end of the float body.Beneficial effect is: using school zero circuit part, when not having liquid level, the corresponding variable resistance value part tongue tube closure of the magnetic float is, it can be achieved that transmitter exports definite value always, to realize the automatic zero adjustment to liquidometer.
Description
Technical field
The utility model relates to level gauging fields, and in particular to a kind of teletransmission magnetic float level indicator of automatic zero adjustment.
Background technique
The height of liquid medium is called liquid level in a reservoir, measures the instrument of liquid level liquidometer.Liquid level is calculated as material level gauge
One kind of table.The type of liquidometer has tuning fork vibrating type, maglev type, pressure type, ultrasonic wave, sonar wave, magnetic turning plate, radar etc..
A remote liquid level transmitter is bundled outside current magnetic fluid level gauge main pipe realizes transporting function, it is magnetic when there is no liquid level
In zero-bit hereinafter, conventional transmitters sense is less than magnetism, output is greater than 20mA or causes system switching to miss lower than 4mA float
Alarm, therefore, we design a kind of teletransmission magnetic float level indicator of automatic zero adjustment.
Utility model content
The purpose of this utility model is that the teletransmission magnetism for solve the above-mentioned problems and providing a kind of automatic zero adjustment is floating
Sub- liquidometer extends the length of the outer bar of dry spring sensor, increases school zero circuit part, when not having liquid level, magnetic float makes
School zero circuit is partially ON, realizes automatic zero adjustment.
The utility model achieves the above object through the following technical schemes:
A kind of teletransmission magnetic float level indicator of automatic zero adjustment, including hold-down support, the hold-down support top are equipped with liquid
Position display tube, the lower end of the liquid level charactron pass through the hold-down support and are connected with blowdown valve, and the one of the liquid level charactron
Side is equipped with dry spring sensor；The liquid level charactron another upper lateral part corresponding with the dry spring sensor is connected with pressure guiding pipe,
Lower part is connected with fluid communication pipe；The inside of the liquid level charactron is equipped with magnetic float, and the magnetic float includes float
Ontology and magnet, the magnet are located at the upper end of the float body；
The dry spring sensor includes school zero circuit part, fixed resistance value part and variable resistance value part, the school zero circuit
Part is corresponding with height of the magnetic float at the liquid level charactron bottom；The variable resistance value part and the fixation
Resistance value sections in series, the variable resistance value part is connected by several resistance to be formed, and is connected with dry spring between two adjacent resistance
Pipe；The resistance output end of the dry spring sensor is electrically connected with converter, and the converter is located at the upper of the dry spring sensor
End.
Preferably, school zero circuit part is the vertical evenly distributed circuit of multiple tongue tubes.
Preferably, the fixed resistance value part is connected by the resistance of multiple fixed resistance values and is formed.
Preferably, liquid level charactron described in the pressure guiding pipe and the fluid communication Guan Junyu welds.
Preferably, the dry spring sensor is connected by screw to the liquid level charactron.
Preferably, the magnet and the float body are integrally formed.
Using the above structure, when in use, the magnetic float swims on the liquid level of the liquid level charactron and corresponding
The tongue tube of variable resistance value part is closed, thus resistance value, convenient for measuring the height of liquid level, when there is no liquid level, the magnetism
For float in the bottom of the liquid level charactron, the magnetic float corresponds to school zero circuit part, makes the dry spring of school zero circuit part
Pipe closure realizes the fixed output of resistance, so that automatic zero adjustment is realized, in general, transmitter output signal is in 4-20mA
Between, as long as the corresponding any reed switch conduction in school zero circuit part, the transmitter output is always 4mA.
To sum up, the utility model has the beneficial effects that: using school zero circuit part, when there is no liquid level, the magnetism
Float corresponding variable resistance value part tongue tube closure, it can be achieved that transmitter exports definite value always, thus realize to liquidometer from
Dynamic school zero.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the utility model structure chart；
Fig. 2 is the dry spring sensor internal circuit structure diagram of the utility model.
The reference numerals are as follows:
1, hold-down support；2, blowdown valve；3, magnetic float；301, float body；302, magnet；4, liquid conduits；5, liquid
Position display tube；6, pressure guiding pipe；7, dry spring sensor；701, resistance output end；702, school zero circuit part；703, fixed resistance value portion
Point；704, tongue tube；705, variable resistance value part；8, converter.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
Referring to shown in Fig. 1-Fig. 2, the utility model provides a kind of teletransmission magnetic float level indicator of automatic zero adjustment, including
Hold-down support 1, liquid level charactron 5 is equipped with above the hold-down support 1, and the lower end of the liquid level charactron 5 passes through the fixation
Support 1 is connected with blowdown valve 2, and the blowdown valve 2 is used for the liquid being discharged in liquid level charactron 5, and the one of the liquid level charactron 5
Side is equipped with dry spring sensor 7；The liquid level charactron 5 another upper lateral part corresponding with the dry spring sensor 7 is connected with impulse
Pipe 6, lower part are connected with fluid communication pipe, and the pressure guiding pipe 6, with the reservoir equipped with liquid, is used respectively with the conduction pipe
In impulse and conducting liquid；The inside of the liquid level charactron 5 is equipped with magnetic float 3, and the magnetic float 3 can make tongue tube
704 conductings, and the magnetic float 3 includes float body 301 and magnet 302, the magnet 302 is located at the float body
301 upper end；
Such as Fig. 1 and Fig. 2, the dry spring sensor 7 includes school zero circuit part 702, fixed resistance value part 703 and variable resistance value
Part 705, school zero circuit part 702 are opposite with height of the magnetic float 3 at 5 bottom of liquid level charactron
It answers；The variable resistance value part 705 is connected with the fixed resistance value part 703, and the variable resistance value part 705 is connected by several resistance
It is formed, and is connected with tongue tube 704 between two adjacent resistance；The resistance output end 701 of the dry spring sensor 7 and transformation
Device 8 is electrically connected, and the converter 8 is located at the upper end of the dry spring sensor 7, and the section A-B of the magnetic float 3 corresponds to the school
The section A-B of zero circuit part 702, it is preferred that tongue tube 704 is welded from section A-B with the parallel connection of the gap 10mm, as long as school zero circuit portion
702 any tongue tube 704 is divided to be connected, then 8 output current value of converter is always definite value, generally 4mA, to realize automatic
School zero.
Preferably, school zero circuit part 702 is the vertical evenly distributed circuit of multiple tongue tubes 704.
For convenient for protecting circuit, the fixed resistance value part 703 is connected by the resistance of multiple fixed resistance values to be formed.
For convenience of and reservoir, liquid level charactron 5 described in the pressure guiding pipe 6 and the fluid communication Guan Junyu weld.
For convenience of the dry spring sensor 7 of fixation, the dry spring sensor 7 is connected by screw to the liquid level charactron 5.
The magnet 302 is integrally formed with the float body 301.
Using the above structure, when in use, the magnetic float 3 swims on the liquid level of the liquid level charactron 5 and right
The tongue tube 704 for straining resistance value part 705 is closed, thus resistance value, convenient for measuring the height of liquid level, when there is no liquid level,
The magnetic float 3 makes school zero in the bottom of the liquid level charactron 5, the corresponding school zero circuit part 702 of the magnetic float 3
The tongue tube 704 of circuit part 702 is closed, and realizes the fixed output of resistance, so that automatic zero adjustment is realized, in general, becoming
Send device output signal between 4-20mA, as long as the corresponding any tongue tube 704 in school zero circuit part 702 is connected, the pick-up
Device output is always 4mA.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (6)
1. a kind of teletransmission magnetic float level indicator of automatic zero adjustment, it is characterised in that: including hold-down support, on the hold-down support
Side is equipped with liquid level charactron, and the lower end of the liquid level charactron passes through the hold-down support and is connected with blowdown valve, and the liquid level is aobvious
Show that the side of pipe is equipped with dry spring sensor；The liquid level charactron another upper lateral part corresponding with the dry spring sensor is connected with
Pressure guiding pipe, lower part are connected with fluid communication pipe；The inside of the liquid level charactron is equipped with magnetic float, and the magnetic float packet
Float body and magnet are included, the magnet is located at the upper end of the float body；
The dry spring sensor includes school zero circuit part, fixed resistance value part and variable resistance value part, school zero circuit part
It is corresponding with height of the magnetic float at the liquid level charactron bottom；The variable resistance value part and the fixed resistance value
Sections in series, the variable resistance value part is connected by several resistance to be formed, and is connected with tongue tube between two adjacent resistance；Institute
The resistance output end for stating dry spring sensor is electrically connected with converter, and the converter is located at the upper end of the dry spring sensor.
2. the teletransmission magnetic float level indicator of a kind of automatic zero adjustment according to claim 1, it is characterised in that: zero electricity of school
Road part is the vertical evenly distributed circuit of multiple tongue tubes.
3. the teletransmission magnetic float level indicator of a kind of automatic zero adjustment according to claim 2, it is characterised in that: the fixed resistance
Value part is connected by the resistance of multiple fixed resistance values and is formed.
4. the teletransmission magnetic float level indicator of a kind of automatic zero adjustment according to claim 1, it is characterised in that: the pressure guiding pipe
It is welded with liquid level charactron described in the fluid communication Guan Junyu.
5. the teletransmission magnetic float level indicator of a kind of automatic zero adjustment according to claim 1, it is characterised in that: the dry spring passes
Sensor is connected by screw to the liquid level charactron.
6. the teletransmission magnetic float level indicator of a kind of automatic zero adjustment according to claim 1, it is characterised in that: the magnet with
The float body is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344946.3U CN208187507U (en) | 2018-03-13 | 2018-03-13 | A kind of teletransmission magnetic float level indicator of automatic zero adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820344946.3U CN208187507U (en) | 2018-03-13 | 2018-03-13 | A kind of teletransmission magnetic float level indicator of automatic zero adjustment |
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| Publication Number | Publication Date |
|---|---|
| CN208187507U true CN208187507U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820344946.3U Active CN208187507U (en) | 2018-03-13 | 2018-03-13 | A kind of teletransmission magnetic float level indicator of automatic zero adjustment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081952A (en) * | 2019-05-24 | 2019-08-02 | 宝泰隆新材料股份有限公司 | A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device |
-
2018
- 2018-03-13 CN CN201820344946.3U patent/CN208187507U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081952A (en) * | 2019-05-24 | 2019-08-02 | 宝泰隆新材料股份有限公司 | A kind of coal tar distillation VACUUM TOWER BOTTOM liquid level emasuring device |
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