CN213842274U - Metal tube rotor flowmeter with electronic dial - Google Patents

Abstract

The utility model discloses a tubular metal resonator rotameter with electronic calibrated scale, the straight needle of panel center internally mounted machinery, the positive surface mounting of panel has electronic display LCD screen, pointer scale LCD screen, be equipped with pointer scale display on the pointer scale LCD screen, the positive bottom mounting of panel confirms the button, change the button, the button is moved to the left side, the button is moved to the right side, through the key input measured intermediary's material density data, through the inside program that master control circuit gathered and handled and transferred the accumulator, pointer scale data transmission with the correct high accuracy is to pointer scale display screen on, it is succinct and clear to possess the interface, it is reasonable to plan, the characteristics of the artifical data acquisition and the data modification of being convenient for.

Description

Metal tube rotor flowmeter with electronic dial

Technical Field

The utility model relates to a flow instrument technical field specifically is a tubular metal resonator rotameter of electrified sub-dial.

Background

The metal tube flow meter uses a variable area measurement principle, which uses the energy of the flow to detect, and the flow does not need external power. The measuring body of the float flowmeter consists of a vertical measuring tube which is enlarged from bottom to top and a float which can move freely only along the axial direction of the measuring tube. When the float in the measuring tube moves up and down, the pointer is driven to rotate by a magnetic coupling system which is precisely magnetized in the converter, and then the corresponding flow value is read by the dial and the pointer.

Because the mechanical scale instrument panel mark is related to the medium density according to the measuring principle of the metal tube rotameter, the scales corresponding to different measuring media are different, when the same metal tube rotameter is used for measuring other media, the electronic part can continue to accurately detect by setting density compensation, but the mechanical pointer part cannot correctly display because the scales are fixedly displayed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tubular metal resonator rotameter with electronic dial to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a take metal rotameter of electron calibrated scale, includes panel, mechanical straight needle, electronic display LCD screen, pointer scale display, confirms the button, changes the button, moves the button on a left side, moves the button on the right side, the mechanical straight needle of panel inside center installation machinery, the positive surface mounting of panel has electronic display LCD screen, the panel openly installs pointer scale LCD screen, be equipped with the pointer scale display on the pointer scale LCD screen, the panel bottom is installed and is confirmed the button, change the button, move the button on a left side, move the button on the right side for instrument interface is more succinct, easily operates and observes.

In the technical scheme, the panel is used for providing a basic instrument protective shell, the mechanical pointer indicates collected data, the electronic display screen is used for displaying data content collected by the flowmeter, the pointer scale liquid crystal screen is used for displaying high-precision pointer scales, and the confirmation key, the change key, the left-shift key and the right-shift key are used for data input.

Further, the panel is made of polyolefin material, so that the instrument is more robust and durable.

Furthermore, the pointer scale liquid crystal screen comprises a main control circuit, a storage circuit and a pointer scale liquid crystal screen circuit, wherein the main control circuit collects the imported data, calculates and processes the imported data, calls an internal program of the storage, and transmits the calculated data to the pointer scale liquid crystal screen circuit, so that the pointer scale liquid crystal screen can better display correct and high-precision pointer scales.

Further, the main control circuit comprises a main control chip U15, a crystal oscillator X11, a crystal oscillator X12, a capacitor C48, a capacitor C49, a capacitor C50 and a capacitor C51, the main control chip U15 is an MSP430 chip, the fifteenth pin, the thirtieth pin, the fiftieth pin and the sixty-eight pin of the main control chip U15 are electrically connected with the ground, the sixteenth pin, the thirty-first pin, the fifty-first pin and the sixty-seventh pin of the main control chip U15 are electrically connected with the power supply, the eleventh pin of the main control circuit U15 is electrically connected with the first end of the capacitor C51, the first end of the capacitor C51 is electrically connected with the first end of the capacitor C50, the first end of the capacitor C51, the first end of the capacitor C50, the eleventh pin of the main control circuit U15 is electrically connected with the power supply, the twelfth pin of the main control chip U15 is electrically connected with the second end of the capacitor C3651, the second terminal of the capacitor 51 is electrically connected to the second terminal of the capacitor 50, the twelfth pin of the main control chip U15, the first terminal of the capacitor C51, the second terminal of the capacitor C50 are electrically connected to ground, the thirteenth pin of the master control chip U15 is electrically connected to the first end of the crystal oscillator X12, the crystal oscillator X12 is electrically connected with the fourteenth pin of the master control chip U15, the seventeenth pin of the master control chip U15 is electrically connected with the first end of the crystal oscillator X11, the first end of the crystal oscillator X11 is electrically connected with the first end of the capacitor C48, the sixty-ninth pin of the master control chip U15 is electrically connected with the second end of the crystal oscillator X12, the second end of the crystal oscillator X12 is electrically connected with the first end of the capacitor C49, and the second end of the capacitor C48, the second end of the capacitor C49 are electrically connected with the ground, so that the functions of data acquisition, calculation and transmission of the main control circuit are realized.

Further, the memory circuit includes a memory U14, a resistor R20, and a resistor R21, the model of the memory U14 is AT24C02, the second pin, the third pin, the fourth pin, the seventh pin of the memory U14 are electrically connected to ground, the first pin of the memory U14 is electrically connected to the eighth pin of the memory U14, the sixth pin of the memory U14 is electrically connected to the first end of the resistor R20, the fifth pin of the memory U14 is electrically connected to the first end of the resistor R21, the first pin of the memory U14, the eighth pin of the memory U14, the second end of the resistor R20, the second end of the resistor R21 are electrically connected to a power supply, and the MSP430F5418AIPN model used by the main control chip U15 has a small size, so that the module can be easily integrated into a product application, thereby better realizing the function of the memory circuit.

Further, the pointer scale liquid crystal display circuit comprises a liquid crystal display P2, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57 and a resistor R22, wherein the liquid crystal display P2 is JLX256160G-922-PN in model number, the second pin, the seventh pin and the twenty-second pin of the liquid crystal display P2 are electrically connected with ground, the eleventh pin of the liquid crystal display P2 is electrically connected with a power supply, the tenth pin of the liquid crystal display P2 is electrically connected with the first end of the capacitor C53, the second end of the capacitor C53 is electrically connected with the twelfth pin of the liquid crystal display P2, the thirteen pin of the liquid crystal display P2 is electrically connected with the first end of the capacitor C55, the second end of the capacitor C55 is electrically connected with the sixteen pin of the liquid crystal display P2, the fourteen pin of the liquid crystal display P2 is electrically connected with the first end of the capacitor C54, the second end of the capacitor C2 is electrically connected with the fifteenth pin of the liquid crystal display P54, eighteen pins of the liquid crystal screen P2 and first end electric connection of electric capacity C54, nineteen pin electric connection of second end and liquid crystal screen P2 of electric capacity C54, seventeen pins of the liquid crystal screen P2 and first end electric connection of electric capacity C57, second end and twenty pin electric connection of liquid crystal screen P2 of electric capacity C54, twenty first pin and first end electric connection of resistance R22 of liquid crystal screen P2, second end and power electric connection of resistance R22, first end and power electric connection of electric capacity C52, second end and ground electric connection of electric capacity C52 to realize the function of the higher pointer scale of display accuracy.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: confirm the button, change the button, move the button left, move the button right through manual operation, input intermediary's material density numerical value, master control circuit data acquisition calculation and call the inside program of accumulator, with the pointer scale of correct high accuracy demonstration on the pointer scale screen, combine the position of mechanical straight needle to obtain more audio-visual flow data, the artifical data acquisition of being convenient for and comparison, improvement rate of accuracy.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the main control circuit of the present invention;

fig. 3 is a schematic diagram of a memory circuit of the present invention;

FIG. 4 is a schematic diagram of the pointer scale LCD panel circuit of the present invention;

in the figure: 1. a panel; 2. an electronic display liquid crystal screen; 3. a pointer scale liquid crystal screen; 4. displaying the scale of the pointer; 5. a mechanical straight needle; 6. confirming the key; 7. changing the keys; 8. a left shift key; 9. and (6) moving the key to the right.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a take tubular metal resonator rotameter of electron calibrated scale, includes panel, mechanical straight needle, electronic display LCD screen, pointer scale show, confirms the button, changes the button, moves the button on a left side, moves the button on the right side, and panel inside center installs mechanical straight needle for instruct to measure numerical value, and the positive surface mounting of panel has electronic display LCD screen, is used for reading numerical value, and the panel openly installs pointer scale LCD screen, is equipped with the pointer scale on the pointer scale LCD screen and shows for change the pointer scale, the panel bottom is installed and is confirmed the button, is changed the button, is moved the button on a left side, is moved the button on the right side and is used for artifical numerical value to modify the operation.

The main control circuit comprises a main control chip U15, a crystal oscillator X11, a crystal oscillator X12, a capacitor C48, a capacitor C49, a capacitor C50 and a capacitor C51, wherein the main control chip U15 is an MSP430 chip, a fifteenth pin, a thirtieth pin, a fifty-fifth pin and a sixty-eighth pin of the main control chip U15 are electrically connected with the ground, a sixteenth pin, a thirty-eleventh pin, a fifty-first pin and a sixty-seventh pin of the main control chip U15 are electrically connected with a power supply, an eleventh pin of the main control chip U15 is electrically connected with a first end of the capacitor C51, a first end of the capacitor C51 is electrically connected with a first end of the capacitor C50, a first end of the capacitor C51, a first end of the capacitor C50, an eleventh pin of the main control chip U15 is electrically connected with the power supply, a twelfth pin of the main control chip U15 is electrically connected with a second end of the capacitor C3651, and a second end of the capacitor 50 is electrically connected with a second end of the capacitor C6350, the twelfth pin of the master control chip U15, the first end of the capacitor C51, the second end of the capacitor C50 and ground are electrically connected, the thirteenth pin of the master control chip U15 and the first end of the crystal oscillator X12 are electrically connected, the crystal oscillator X12 and the fourteenth pin of the master control chip U15 are electrically connected, the seventy pin of the master control chip U15 and the first end of the crystal oscillator X11 are electrically connected, the first end of the crystal oscillator X11 and the first end of the capacitor C48 are electrically connected, the sixty nine pin of the master control chip U15 and the second end of the crystal oscillator X12 are electrically connected, the second end of the crystal oscillator X12 and the first end of the capacitor C49 are electrically connected, the second end of the capacitor C48, the second end of the capacitor C49 and ground are electrically connected, the model MSP430F5418AIPN used by the master control chip U15 has a small size and can be conveniently integrated into the application module of a product, thereby achieving better functions.

The memory circuit comprises a memory U14, a resistor R20 and a resistor R21, wherein the model of the memory U14 is AT24C02, the second pin, the third pin, the fourth pin and the seventh pin of the memory U14 are electrically connected with the ground, the first pin of the memory U14 is electrically connected with the eighth pin of the memory U14, the sixth pin of the memory U14 is electrically connected with the first end of the resistor R20, the fifth pin of the memory U14 is electrically connected with the first end of the resistor R21, and the first pin of the memory U14, the eighth pin of the memory U14, the second end of the resistor R20, the second end of the resistor R21 are electrically connected with a power supply, so that the function of the memory circuit is better realized.

The pointer scale liquid crystal screen circuit comprises a liquid crystal screen P2, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57 and a resistor R22, wherein the model of the liquid crystal screen P2 is JLX256160G-922-PN, a second pin, a seventh pin and a twenty-second pin of the liquid crystal screen P2 are electrically connected with the ground, an eleventh pin of the liquid crystal screen P2 is electrically connected with a power supply, a tenth pin of the liquid crystal screen P2 is electrically connected with a first end of the capacitor C53, a second end of the capacitor C53 is electrically connected with a twelfth pin of the liquid crystal screen P2, a thirteen pin of the liquid crystal screen P2 is electrically connected with a first end of the capacitor C55, a second end of the capacitor C55 is electrically connected with a sixteen pin of the liquid crystal screen P2, a fourteen pin of the liquid crystal screen P2 is electrically connected with a first end of the capacitor C54, a second end of the capacitor C54 is electrically connected with a fifteen pin of the liquid crystal screen P2, eighteen pins of the liquid crystal screen P2 and first end electric connection of electric capacity C54, nineteen pin electric connection of second end and liquid crystal screen P2 of electric capacity C54, seventeen pins of the liquid crystal screen P2 and first end electric connection of electric capacity C57, second end and twenty pin electric connection of liquid crystal screen P2 of electric capacity C54, twenty first pin and first end electric connection of resistance R22 of liquid crystal screen P2, second end and power electric connection of resistance R22, first end and power electric connection of electric capacity C52, second end and ground electric connection of electric capacity C52 to realize the function of the higher pointer scale of display accuracy.

The utility model discloses a theory of operation: the correct density data of the intermediate material is manually input through the confirmation key, the change key, the left shift key and the right shift key, the data is imported into the main control circuit control chip U15, the internal program of the memory is determined and called through the calculation of the main control circuit control chip U15, the data meeting the measurement standard is sent, the existing sending program is changed to the pointer scale liquid crystal screen, and therefore the content displayed by the pointer scale liquid crystal screen is changed, the pointer scale precision and the accuracy are improved, and the problem that the mechanical straight pointer is inaccurate in data due to the change of the density of the medium is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a take tubular metal resonator rotameter of electron calibrated scale, includes panel (1), mechanical straight needle (5), electronic display LCD screen (2), pointer scale demonstration (3), pointer scale LCD screen (4), confirms button (6), changes button (7), moves button (8) a left side, moves button (9) a right side, its characterized in that: a mechanical straight needle (5) is arranged at the center inside the panel (1), an electronic display liquid crystal screen (2) is arranged on the surface of the front side of the panel (1), the front surface of the panel (1) is provided with a pointer scale liquid crystal screen (4), the pointer scale liquid crystal screen (4) is provided with a pointer scale display (3), a confirmation key (6) is arranged at the bottom end of the front surface of the panel (1), a change key (7) is arranged at the bottom end of the front surface of the panel (1), a left-moving key (8) is arranged at the bottom end of the front surface of the panel (1), a right-moving key (9) is arranged at the bottom end of the front surface of the panel (1), the pointer scale liquid crystal screen (4) comprises a main control circuit, a memory circuit and a pointer scale liquid crystal screen circuit, the main control circuit is used for collecting imported data, calculating and processing the imported data and calling an internal program of the storage, the pointer scale liquid crystal screen (4) is used for displaying correct and high-precision pointer scales.

2. The metal tube rotameter with electronic dial of claim 1, wherein: the panel (1) is a polyolefin panel.

3. The metal tube rotameter with electronic dial of claim 1, wherein: the main control circuit comprises a main control chip U15, a crystal oscillator X11, a crystal oscillator X12, a capacitor C48, a capacitor C49, a capacitor C50 and a capacitor C51, wherein the main control chip U15 is an MSP430 chip, a fifteenth pin, a thirtieth pin, a fifty-fifth pin, a sixty-eighth pin of the main control chip U15 are electrically connected with the ground, a sixteenth pin, a thirty-eighth pin, a fifty-first pin, a sixty-seventh pin of the main control chip U15 are electrically connected with a power supply, an eleventh pin of the main control chip U15 is electrically connected with a first end of the capacitor C51, a first end of the capacitor C51 is electrically connected with a first end of the capacitor C50, a first end of the capacitor C51, a first end of the capacitor C50, an eleventh pin of the main control chip U15 is electrically connected with the power supply, a twelfth pin of the main control chip U15 is electrically connected with a second end of the capacitor C3651, and a second end of the capacitor 50 is electrically connected with a second end of the capacitor C6350, the twelfth pin of the main control chip U15, the first end of the capacitor C51, the second end of the capacitor C50 and ground are electrically connected, the thirteenth pin of the main control chip U15 and the first end of the crystal oscillator X12 are electrically connected, the fourteenth pin of the crystal oscillator X12 and the main control circuit U15 are electrically connected, the seventy pin of the main control chip U15 and the first end of the crystal oscillator X11 are electrically connected, the first end of the crystal oscillator X11 and the first end of the capacitor C48 are electrically connected, the sixty ninth pin of the main control chip U15 and the second end of the crystal oscillator X12 are electrically connected, the second end of the crystal oscillator X12 and the first end of the capacitor C49 are electrically connected, and the second end of the capacitor C48, the second end of the capacitor C49 and ground are electrically connected.

4. The metal tube rotameter with electronic dial of claim 1, wherein: the storage circuit comprises a storage U14, a resistor R20 and a resistor R21, wherein the storage U14 is AT24C02 in model number, the second pin, the third pin, the fourth pin and the seventh pin of the storage U14 are electrically connected with ground, the first pin of the storage U14 is electrically connected with the eighth pin of the storage U14, the sixth pin of the storage U14 is electrically connected with the first end of the resistor R20, the fifth pin of the storage U14 is electrically connected with the first end of the resistor R21, and the first pin of the storage U14, the eighth pin of the storage U14, the second end of the resistor R20, the second end of the resistor R21 are electrically connected with a power supply.

5. The metal tube rotameter with electronic dial of claim 1, wherein: the pointer scale liquid crystal screen circuit comprises a liquid crystal screen P2, a capacitor C52, a capacitor C53, a capacitor C54, a capacitor C55, a capacitor C56, a capacitor C57 and a resistor R22, wherein the model of the liquid crystal screen P2 is JLX256160G-922-PN, a second pin, a seventh pin and a twenty-second pin of the liquid crystal screen P2 are electrically connected with the ground, an eleventh pin of the liquid crystal screen P2 is electrically connected with a power supply, a tenth pin of the liquid crystal screen P2 is electrically connected with a first end of the capacitor C53, a second end of the capacitor C53 is electrically connected with a twelfth pin of the liquid crystal screen P2, a thirteen pin of the liquid crystal screen P2 is electrically connected with a first end of the capacitor C55, a second end of the capacitor C55 is electrically connected with a sixteen pin of the liquid crystal screen P2, a fourteen pin of the liquid crystal screen P2 is electrically connected with a first end of the capacitor C54, a second end of the capacitor C54 is electrically connected with a fifteen pin of the liquid crystal screen P2, eighteen pins of the liquid crystal screen P2 are electrically connected with a first end of the capacitor C54, a second end of the capacitor C54 is electrically connected with nineteen pins of the liquid crystal screen P2, seventeen pins of the liquid crystal screen P2 are electrically connected with a first end of the capacitor C57, a second end of the capacitor C54 is electrically connected with a twenty pin of the liquid crystal screen P2, twenty-one pins of the liquid crystal screen P2 are electrically connected with a first end of the resistor R22, a second end of the resistor R22 is electrically connected with a power supply, a first end of the capacitor C52 is electrically connected with the power supply, and a second end of the capacitor C52 is electrically connected with the ground.

Images