CN202002681U - Full liquid crystal display metal tube float flow meter indicator - Google Patents

Full liquid crystal display metal tube float flow meter indicator Download PDF

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Publication number
CN202002681U
CN202002681U CN2011200641712U CN201120064171U CN202002681U CN 202002681 U CN202002681 U CN 202002681U CN 2011200641712 U CN2011200641712 U CN 2011200641712U CN 201120064171 U CN201120064171 U CN 201120064171U CN 202002681 U CN202002681 U CN 202002681U
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CN
China
Prior art keywords
flow
liquid crystal
crystal display
float
flow meter
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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
Application number
CN2011200641712U
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Chinese (zh)
Inventor
王北光
杨会峰
张建茹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING KONGGANG BEIGUANG METER Co Ltd
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BEIJING KONGGANG BEIGUANG METER Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BEIJING KONGGANG BEIGUANG METER Co Ltd filed Critical BEIJING KONGGANG BEIGUANG METER Co Ltd
Priority to CN2011200641712U priority Critical patent/CN202002681U/en
Application granted granted Critical
Publication of CN202002681U publication Critical patent/CN202002681U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a full liquid crystal display metal tube float flow meter indicator, which comprises a flow detection module and a liquid crystal display module, wherein the flow detection module comprises a magnetic sensor and a flow calculating unit; the magnetic sensor is connected with the flow calculating unit, and is used for directly measuring a float position in a measuring tube of a metal tube float flow meter and transmitting the float position to the flow calculating unit; the flow calculating unit is connected with the liquid crystal display module, and is used for calculating a flow according to the float position and transmitting flow data to the liquid crystal display module; and an entire display window is filled with the display region of the liquid crystal display module. Due to the adoption of the full liquid crystal display metal tube float flow meter indicator, the flow can be indicated in a liquid crystal way, the structure of the conventional float flow indicator is simplified, the measuring conversion process is reduced, the measured value of flow is stable, and the high measuring accuracy is achieved.

Description

Full liquid crystal display metal pipe float flow meter indicator
Technical field
The utility model relates to a kind of metal pipe float flow meter indicator, relates in particular to a kind of full liquid crystal display metal pipe float flow meter indicator.
Background technology
Metal pipe float flow meter adopts the variable area type measuring principle, is applicable to measurement liquid, gas.All-metal construction has indicator type, electrical distance transmitting type, corrosion-proof type, high-pressure type, chuck type, explosion-proof type.Has 0-10mA, the standard analog amount signal output of 4-20mA and on-the-spot indication.Accumulation, digital communication, the on-the-spot measurement parameter of revising, different power supply mode functions has magnetic filter and special requirement kind.Be widely used in oil, chemical industry, generating, pharmacy, food, water treatment etc.Complexity, severe environmental conditions, and in the flow measurement process of various ambient conditions.
Most product structure is similar on the market now, and majority is to adopt magnetic coupling digital display metal pipe float flow meter indicator.
Summary of the invention
Fundamental purpose of the present utility model is to provide a kind of full liquid crystal display metal pipe float flow meter indicator, can indicate flow by the liquid crystal mode, and simplify the structure of traditional float flow indicator, reduce the conversion links of measuring, the flow measurement numerical stability, the measuring accuracy height.
The utility model provides a kind of full liquid crystal display metal pipe float flow meter indicator, comprises flow detection module and LCD MODULE;
Described flow detection module comprises Magnetic Sensor and flow rate calculation unit, and Magnetic Sensor is connected with the flow rate calculation unit, wherein,
Described Magnetic Sensor is directly measured the interior float position of measuring tube of metal pipe float flow meter, and this float position is sent to described flow metering unit;
Described flow metering unit is connected with described LCD MODULE, calculates flow according to this float position, and data on flows is sent to described LCD MODULE.
Described LCD MODULE viewing area is full of whole display window.
During enforcement, on the screen surface of described LCD MODULE, pointer scale district angular range is that 67.5 degree are to 292.5 degree.
During enforcement, full liquid crystal display metal pipe float flow meter indicator described in the utility model also comprises alarm module;
Described alarm module is connected with described flow metering unit, is used for the flow that calculates when described flow metering unit and reports to the police not in preset range the time.
During enforcement, full liquid crystal display metal pipe float flow meter indicator described in the utility model also comprises the infrared remote control module;
This infrared remote control module is connected by infrared communication with described LCD MODULE, is used for remote control display parameter are set.
Compared with prior art, full liquid crystal display metal pipe float flow meter indicator described in the utility model, adopt LCD MODULE to indicate flow by the liquid crystal mode, and on the screen surface of described LCD MODULE, pointer scale district angular range: 67.5 degree are to 292.5 degree (counterclockwise), and this kind metering system and display mode have been simplified the structure of traditional float flow indicator greatly, reduced the conversion links of measuring, the flow measurement numerical stability, the measuring accuracy height.
Description of drawings
Fig. 1 is the structural representation of full liquid crystal display metal pipe float flow meter indicator described in the utility model;
Fig. 2 is the structural representation of a specific embodiment of the wiring chamber of full liquid crystal display metal pipe float flow meter indicator described in the utility model;
Fig. 3 is the outside drawing of full liquid crystal display metal pipe float flow meter indicator described in the utility model under "on" position;
Fig. 4 is the outside drawing of full liquid crystal display metal pipe float flow meter indicator described in the utility model under the no power state.
Embodiment
As shown in Figure 1, the utility model provides a kind of full liquid crystal display metal pipe float flow meter indicator, comprises flow integrated circuit board chamber 1 and wiring chamber 2, wherein,
In the described flow integrated circuit board chamber 1 flow detection module and LCD MODULE 3 are housed;
Described flow detection module comprises Magnetic Sensor 4 and flow rate calculation unit 5, and Magnetic Sensor 4 is connected with flow rate calculation unit 5, wherein,
Described Magnetic Sensor 4 is directly measured the interior float position of measuring tube of metal pipe float flow meter, and this float position is sent to described flow metering unit 5;
Described flow metering unit 5 is connected with described LCD MODULE 3, calculates flow according to this float position, and data on flows is sent to described LCD MODULE 3;
During enforcement, described magnetic induction sensor 4 and described flow rate calculation unit 5 are installed on the flow integrated circuit board.
Described LCD MODULE 3 can show simultaneously: pointer (this pointer replace mechanical indicator and indicate the number percent of flow), instantaneous delivery numerical value, integrated flux numerical value (or current output value), flux unit (can be provided with arbitrarily) and bound warning numerical value (can be provided with arbitrarily).
According to a kind of embodiment, on the screen surface of described LCD MODULE 3, pointer scale district angular range: 67.5 degree are to 292.5 degree (counterclockwise), and product does not still have this display mode both at home and abroad.This kind metering system and display mode have been simplified the structure of traditional float flow indicator greatly, have reduced the conversion links of measuring, flow measurement numerical stability, measuring accuracy height.
During enforcement, full liquid crystal display metal pipe float flow meter indicator described in the utility model also comprises alarm module;
Described alarm module is connected with described flow metering unit 5, is used for the flow that calculates when described flow metering unit 5 and reports to the police not in preset range the time.
During enforcement, full liquid crystal display metal pipe float flow meter indicator described in the utility model also comprises the infrared remote control module;
This infrared remote control module is connected by infrared communication with described LCD MODULE 3, is used for remote control display parameter are set, and can conveniently carry out execute-in-place.
A lot of parameters are arranged in the instrument, can still need open cap earlier with two little button settings on the flow integrated circuit board; During enforcement, also can be by the Infrared remote controller setting, Infrared remote controller is aimed at LCD can be provided with parameter, need not open cap, and the principle of Infrared remote controller is the same with the principle of TV remote controller.
During enforcement, described LCD MODULE 3 band backlights make things convenient for the reading at night.
According to a kind of embodiment, full liquid crystal display metal pipe float flow meter indicator parameter described in the utility model is as follows: power supply: 12~36DVC or 3.6V lithium battery, signal output: 4~20mA+Hart, the output of bound pre-value switching value.
In the described wiring chamber 2 connection terminal is installed, each connection terminal connects two lines, and described connection terminal is below three.
Connection terminal is installed in the described wiring chamber 2, can be welded 3 connection terminals at most, each connection terminal connects two lines.
As shown in Figure 2, be the structural representation of an embodiment of described wiring chamber 2, in this embodiment, be welded with 3 connection terminals in the described wiring chamber 2.
3 connection terminal functions are as follows:
(1) power supply of instrument and (4-20) mA current signal output (middle terminal);
The power supply of instrument and (4-20) mA current signal output only need two lines get final product, so be called two-wire system;
Instrument adopts 12~36VDC power supply;
The power consumption of instrument is very low, total supply current is less than 4mA, and the electric current of instrument in can control loop changes, and the corresponding flow flow of 4mA range lower limit (is generally: 0), the corresponding flow range of the 20mA upper limit detects the current in loop value at controller like this and just can know flow value.
(2) the flow pre-value is reported to the police and is exported:
Pre-value reports to the police to export two, is divided into upper limit pre-value warning (the H terminal in the map interlinking) and lower limit pre-value warning (the L terminal in the map interlinking);
Upper limit pre-value is reported to the police: upper limit pre-value alarm stream value can be set in the instrument, when flow in the pipeline is worth greater than this, output H terminal output switching value signal is not (when reporting to the police, the resistance infinity at the positive and negative two ends of terminal, during warning, the resistance at the positive and negative two ends of terminal just can be known by the resistance value at the positive and negative two ends of detection terminal like this and report to the police not near 0 ohm);
The lower limit pre-value is reported to the police: lower limit pre-value alarm stream value can be set in the instrument, and when flow in the pipeline is worth less than this, output L terminal output switching value signal;
The warning lead-out terminal can weld two (upper limit, lower limits) at most, can certainly weld 1 or do not weld, and decides according to user's request.
More than explanation is just illustrative for utility model; and nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claims and limited; can make many modifications, variation or equivalence, but all will fall in the protection domain of the present utility model.

Claims (4)

1. a full liquid crystal display metal pipe float flow meter indicator is characterized in that, comprises flow detection module and LCD MODULE;
Described flow detection module comprises Magnetic Sensor and flow rate calculation unit, and described Magnetic Sensor is connected with described flow rate calculation unit, wherein,
Described Magnetic Sensor is directly measured the interior float position of measuring tube of metal pipe float flow meter, and this float position is sent to described flow metering unit;
Described flow metering unit is connected with described LCD MODULE, and calculate flow according to this float position, and data on flows is sent to described LCD MODULE,
Described LCD MODULE viewing area is full of whole display window.
2. full liquid crystal display metal pipe float flow meter indicator according to claim 1 is characterized in that, on the screen surface of described LCD MODULE, pointer scale district angular range is that 67.5 degree are to 292.5 degree.
3. full liquid crystal display metal pipe float flow meter indicator according to claim 1 is characterized in that, also comprises alarm module;
Described alarm module is connected with described flow metering unit, is used for the flow that calculates when described flow metering unit and reports to the police not in preset range the time.
4. full liquid crystal display metal pipe float flow meter indicator according to claim 1 is characterized in that, also comprises the infrared remote control module;
This infrared remote control module is connected by infrared communication with described LCD MODULE, is used for remote control display parameter are set.
CN2011200641712U 2011-03-11 2011-03-11 Full liquid crystal display metal tube float flow meter indicator Expired - Fee Related CN202002681U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200641712U CN202002681U (en) 2011-03-11 2011-03-11 Full liquid crystal display metal tube float flow meter indicator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200641712U CN202002681U (en) 2011-03-11 2011-03-11 Full liquid crystal display metal tube float flow meter indicator

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CN202002681U true CN202002681U (en) 2011-10-05

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111561955A (en) * 2019-02-14 2020-08-21 南京汉星工业设计有限公司 Combined display method capable of defining range analog indication and full range digital display
CN111912469A (en) * 2020-06-28 2020-11-10 沈阳北星仪表制造有限公司 LZP flowmeter and flow calculation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111561955A (en) * 2019-02-14 2020-08-21 南京汉星工业设计有限公司 Combined display method capable of defining range analog indication and full range digital display
CN111912469A (en) * 2020-06-28 2020-11-10 沈阳北星仪表制造有限公司 LZP flowmeter and flow calculation method

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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: 20111005

Termination date: 20170311