CN219141958U - Magnetic induction liquid level remote transmission device - Google Patents
Magnetic induction liquid level remote transmission device Download PDFInfo
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- CN219141958U CN219141958U CN202223191561.3U CN202223191561U CN219141958U CN 219141958 U CN219141958 U CN 219141958U CN 202223191561 U CN202223191561 U CN 202223191561U CN 219141958 U CN219141958 U CN 219141958U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model provides a magnetic induction liquid level remote transmission device, which belongs to the technical field of liquid level measurement and comprises: the mounting base is fixedly arranged on a dial plate of the mechanical floating ball type liquid level meter and is fixedly provided with a magnetic field detection sensitive element; the fixed shaft of the gauge needle of the mechanical floating ball type liquid level meter is fixedly connected with a magnet fixing seat, the middle part of the magnet fixing seat is inserted with a coding magnet, and the coding magnet is spaced from and opposite to the magnetic field detection sensitive element; the installation base is connected with a gauge outfit through a connecting pipe section, and the gauge outfit is electrically connected with the magnetic field detection sensitive element to acquire the analog quantity of the change of the magnetic field detection sensitive element. The device utilizes the magnetic induction principle to automatically acquire the measured value of the floating ball liquid level meter, and displays and remotely transmits the measured value.
Description
Technical Field
The utility model relates to the technical field of liquid level measurement, in particular to a magnetic induction liquid level remote transmission device.
Background
The existing mechanical floating ball type liquid level meter adopts a connecting rod gear mechanism to convert the liquid level change into the rotation of a dial indicator, can only observe and read an indication value by means of human eyes, and has larger liquid level reading error.
However, if the conventional mechanical floating ball type liquid level meter is abandoned, other types of liquid level meters which can be remotely transmitted are adopted. However, due to factors such as a measuring tank body, a measuring medium, an installation mode and the like, other proper types of liquid level meters are difficult to select in some occasions. Therefore, there is an urgent need for a device that can automatically obtain the measured value of a mechanical float gauge.
Disclosure of Invention
In order to solve the problems, the utility model provides a magnetic induction liquid level remote transmission device which utilizes a magnetic induction principle to automatically acquire a measured value of a floating ball liquid level meter and display and remote transmission the measured value.
In order to achieve the above purpose, the present utility model provides the following technical solutions.
A magnetically induced liquid level remote sensing device, comprising:
the mounting base is fixedly arranged on a dial plate of the mechanical floating ball type liquid level meter;
the magnetic field detection sensitive element is fixedly arranged on the mounting base;
the magnet fixing seat is fixedly connected with a pointer fixing shaft of the mechanical floating ball type liquid level meter;
the coding magnet is inserted in the middle of the magnet fixing seat; the coded magnet is spaced from and opposite to the magnetic field detection sensitive element;
the gauge outfit is connected with the installation base through the connecting pipe section, is electrically connected with the magnetic field detection sensing element, and obtains the analog quantity that the magnetic field detection sensing element changed.
Preferably, the device further comprises an upper cover; the installation upper cover is fixedly arranged on the installation base through threads, and the gauge outfit is connected to the installation upper cover in a threaded connection mode through a connecting pipe section.
Preferably, the spacing between the encoding magnet and the magnetic field detection sensor is greater than 0mm and less than 2mm.
Preferably, the magnet fixing seat is fixedly connected with the pointer fixing shaft in a plugging or gluing mode.
Preferably, the magnet fixing seat is fixedly connected with the coding magnet in a plugging or gluing mode.
Preferably, the device further comprises a magnetic field detection circuit module; the magnetic field detection circuit module is fixedly arranged in the gauge outfit through a screw, is electrically connected with the magnetic field detection sensitive element and is used for converting a magnetic field direction signal into an electric signal.
Preferably, the method further comprises the step of setting in the gauge outfit:
the CPU processing unit is electrically connected with the magnetic field detection circuit module;
the LCD display module is electrically connected with the CPU processing unit and used for displaying the numerical value of the measured value;
the digital communication module is electrically connected with the CPU processing unit and is used for remotely transmitting measured value data;
the analog quantity output module is electrically connected with the CPU processing unit and the magnetic field detection sensitive element and is used for outputting corresponding analog quantity signals of the measured values.
The utility model has the beneficial effects that:
the utility model provides a magnetic induction liquid level remote transmission device, which converts the rotation of a pointer caused by the position change of a floating ball into the rotation of a magnetic field, acquires a liquid level value by detecting the direction of the magnetic field, and then displays and remotely transmits the liquid level value. The device can automatically acquire the measured value of the mechanical floating ball type liquid level meter, display and remotely transmit. The method has the advantages of accurate measurement and high intelligence.
Drawings
FIG. 1 is a schematic diagram of the installation of a coded magnet of a magnetically induced liquid level remote sensing device of the present utility model;
FIG. 2 is a schematic front view of a dial plate installation of a magnetic induction liquid level remote sensing device of the present utility model;
FIG. 3 is a schematic side view of a gauge outfit of a magnetically induced liquid level remote sensing apparatus of the present utility model;
fig. 4 is a system structural diagram of a magnetic induction liquid level remote transmission device of the utility model.
Wherein: 1. a gauge needle fixing shaft; 2. a magnet fixing seat; 3. a magnetic field detection sensor; 4. a magnetic field detection circuit module; 5. a coded magnet; 6. a dial; 7. a mounting base; 8. installing an upper cover; 9. connecting pipe sections; 10. a gauge head; 11. a CPU processing unit; 12. an LCD display module; 13. a digital communication module; 14. and the analog quantity output module.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
A magnetically induced liquid level remote sensing apparatus, as shown in fig. 1-4, comprising: the mounting base 7 is fixedly arranged on a dial 6 of the mechanical floating ball type liquid level meter; the magnetic field detection sensitive element 3 is fixedly arranged on the mounting base 7.
As shown in fig. 1 and 2, the fixed shaft 1 of the mechanical float type liquid level meter is fixedly connected with a magnet fixing seat 2, the middle part of the magnet fixing seat 2 is inserted with a coding magnet 5, the magnet fixing seat 2 and the fixed shaft 1 of the gauge needle are fixedly connected in an inserting or gluing mode, the fixed shaft 1 of the gauge needle is ensured to normally drive the coding fixing seat 2 to rotate, the magnet fixing seat 2 and the coding magnet 5 are fixedly connected in an inserting or gluing mode, and the magnet fixing seat 2 is ensured to normally drive the coding magnet 5 to rotate. The coding magnet 5 is spaced from and opposite to the magnetic field detection sensitive element 3; the interval between the coding magnet 5 and the magnetic field detection sensitive element 3 is more than 0mm and less than 2mm, so that the magnetic field detection sensitive element can normally detect the magnetic field direction of the coding magnet and the rotation of the coding magnet is not influenced.
As shown in fig. 3, the mounting upper cover 8 is fixedly provided on the mounting base 7 by screw threads, and the gauge outfit 10 is connected to the mounting upper cover 8 by a connecting pipe section 9 in a screw thread manner.
As shown in fig. 4, a CPU processing unit 11 is disposed in the header 10, and is electrically connected to the magnetic field detection circuit module 4, the LCD display module 12, the digital communication module 13, and the analog output module 14. The magnetic field detection circuit module 4 is fixedly arranged in the gauge outfit 10 through a screw, is electrically connected with the magnetic field detection sensitive element 3 and is used for converting a magnetic field direction signal into an electric signal. The LCD display module 12 is used for displaying the measured value; the digital communication module 13 is used for remote transmission of measured value data; the analog output module 14 is configured to output a corresponding analog signal of the measured value. The digital communication mode of the digital communication module 13 includes RS485 communication, HART communication, zigbee wireless communication, etc., and the analog quantity is output mode including voltage signal output, current signal output, frequency signal output.
In this embodiment, after the mechanical floating ball type liquid level meter detects the change of the liquid level value, the pointer fixing shaft 1 of the liquid level meter rotates, and the encoding magnet 5 fixed on the pointer fixing shaft 1 correspondingly rotates; the magnetic field detection circuit module 4 monitors the magnetic field direction of the encoding magnet 5 in real time and outputs a corresponding electric signal, the CPU processing unit 11 calculates the corresponding magnetic field direction according to the detected electric signal, and then the rotation angle of the pointer fixing shaft 1 is calculated by comparing and analyzing the current magnetic field direction and the magnetic field direction of the zero point position; according to the relation model of the rotation angle of the pointer fixing shaft 1 and the corresponding liquid level meter value, the actual liquid level value is calculated, the LCD display module 12 is used for displaying and outputting the current measured value, the digital communication module 13 outputs the current measured value in a digital communication mode, and the analog output module 14 outputs the current measured value in an analog mode.
The device converts the rotation of the pointer caused by the position change of the floating ball into the rotation of the magnetic field, acquires the liquid level value by detecting the direction of the magnetic field, and then displays and remotely transmits the liquid level value. The device can automatically acquire the measured value of the mechanical floating ball type liquid level meter, display and remote transmission, and has the advantages of accurate measurement and high intelligence.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. A magnetic induction liquid level remote transmission device, comprising:
the mounting base (7) is fixedly arranged on a dial plate (6) of the mechanical floating ball type liquid level meter;
the magnetic field detection sensitive element (3) is fixedly arranged on the mounting base (7);
the magnet fixing seat (2) is fixedly connected with a pointer fixing shaft (1) of the mechanical floating ball type liquid level meter;
the coding magnet (5) is inserted in the middle of the magnet fixing seat (2); the coding magnet (5) is spaced from and opposite to the magnetic field detection sensitive element (3);
the gauge outfit (10) is connected with the installation base (7) through the connecting pipe section (9), is electrically connected with the magnetic field detection sensitive element (3), and obtains the analog quantity of the change of the magnetic field detection sensitive element (3).
2. A magnetically induced liquid level remote sensing device according to claim 1, further comprising a mounting cover (8); the installation upper cover (8) is fixedly arranged on the installation base (7) through threads, and the gauge outfit (10) is connected to the installation upper cover (8) through a connecting pipe section (9) in a threaded connection mode.
3. A magnetically induced liquid level remote sensing device according to claim 1, characterized in that the spacing between the encoding magnet (5) and the magnetic field detection sensor (3) is more than 0mm and less than 2mm.
4. The magnetic induction liquid level remote transmission device according to claim 1, wherein the magnet fixing seat (2) is fixedly connected with the pointer fixing shaft (1) in a plugging or gluing mode.
5. The magnetic induction liquid level remote transmission device according to claim 1, wherein the magnet fixing seat (2) and the coding magnet (5) are fixedly connected in a plugging or gluing mode.
6. A magnetically induced liquid level remote sensing apparatus according to claim 1, further comprising a magnetic field detection circuit module (4); the magnetic field detection circuit module (4) is fixedly arranged in the gauge outfit (10) through a screw, is electrically connected with the magnetic field detection sensitive element (3) and is used for converting a magnetic field direction signal into an electric signal.
7. The magnetically induced liquid level remote sensing apparatus of claim 6, further comprising a sensor disposed within the gauge head (10):
the CPU processing unit (11) is electrically connected with the magnetic field detection circuit module (4);
the LCD display module (12) is electrically connected with the CPU processing unit (11) and is used for displaying the numerical value of the measured value;
the digital communication module (13) is electrically connected with the CPU processing unit (11) and is used for remotely transmitting measured value data;
the analog quantity output module (14) is electrically connected with the CPU processing unit (11) and the magnetic field detection sensitive element (3) and is used for outputting corresponding analog quantity signals of the measured values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191561.3U CN219141958U (en) | 2022-11-30 | 2022-11-30 | Magnetic induction liquid level remote transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223191561.3U CN219141958U (en) | 2022-11-30 | 2022-11-30 | Magnetic induction liquid level remote transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219141958U true CN219141958U (en) | 2023-06-06 |
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ID=86596056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223191561.3U Active CN219141958U (en) | 2022-11-30 | 2022-11-30 | Magnetic induction liquid level remote transmission device |
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| Country | Link |
|---|---|
| CN (1) | CN219141958U (en) |
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2022
- 2022-11-30 CN CN202223191561.3U patent/CN219141958U/en active Active
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