CN208751669U - Boiler high-precision magnetic float level meter - Google Patents
Boiler high-precision magnetic float level meter Download PDFInfo
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- CN208751669U CN208751669U CN201821660808.2U CN201821660808U CN208751669U CN 208751669 U CN208751669 U CN 208751669U CN 201821660808 U CN201821660808 U CN 201821660808U CN 208751669 U CN208751669 U CN 208751669U
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Abstract
The utility model discloses a kind of boiler high-precision magnetic float level meters, magnetic force floating ball is placed in cylinder, detection display module is mounted on cylinder by luminescent panel, the detection display module is formed by one group, sensing device-tongue tube of each detection display module is sequentially arranged in the side for closing on cylinder, and the status display diode precision graduated scale corresponding on luminescent panel in each detection display module corresponds；The tongue tube is switched on when magnetic force floating ball is close, the signal of its on off operating mode is sent into the logic circuit of detection display module, the status display diode there are two types of color is concatenated respectively in two output ends of logic circuit, and the graduated scale of the color alternating interface of the status display diode is the elaborate position of liquid level where Magnetic force ball.The utility model can solve the low problem of traditional magnetic float level meter display precision, while can be well using in technical problems such as the occasions having higher requirements to level measuring.
Description
Technical field
It the utility model discloses a kind of high-precision magnetic float level meter, is belonged to the improvement of traditional magnetic float level meter
Boiler safety detection device.
Background technique
The precision of existing magnetic float level meter is usually ± 10mm, is having the occasion more demanding to water level measurement accuracy, no
It is able to satisfy live actual operation requirements.
In boiler longtime running, especially when in use, since drum volume is very big, the water level in water-level gauge is very for large-sized unit
Minor swing can all cause the water level very great fluctuation process in drum, it is therefore desirable to which operations staff needs to manually adjust drum inflow, then
Maintenance times and expenses have been significantly greatly increased.
Summary of the invention
The purpose of the utility model is to provide a kind of boiler high-precision magnetic float level meters, to solve traditional magnetic float level meter
The low problem of display precision, while can be well using in technical problems such as the occasions having higher requirements to level measuring.
A kind of boiler high-precision magnetic float level meter, comprising: cylinder 1, luminescent panel 2, graduated scale 3, detection display module
4, light-adjusting module 5 and power module 6 are controlled；The output end at the brightness control end and control light-adjusting module 5 of detecting display module 4 connects
It connects；Magnetic force floating ball is placed in cylinder 1, detection display module 4 is mounted on cylinder 1 by luminescent panel 2, and the detection is aobvious
Show that module 4 is formed by one group, sensing device-tongue tube of each detection display module 4, which is sequentially arranged in, closes on the one of cylinder 1
Side, each status display diode detected in display module 4 are corresponded with the corresponding precision graduated scale on luminescent panel 2；
The tongue tube is switched on when magnetic force floating ball is close, and the signal of on off operating mode is sent into the logic circuit of detection display module 4,
The status display diode there are two types of color is concatenated respectively in two output ends of logic circuit, is determined by the on-off of tongue tube
The display diode of that fixed state is lit, the graduated scale of the color alternating interface for the status display diode being arranged successively
3 be the elaborate position of liquid level where Magnetic force ball.
1 pin of the connecting terminal J1 of the detection display module 4 is with the logic unit U1's that is made of four groups of NAND gates
The pin connection of 13 pins, the anode of diode D1, resistance R10, another pin of resistance R10 are connect with+5V；Two poles
The cathode of pipe D1 is connect with 3 pins for the logic unit U1 that four groups of NAND gates form；2 pins of connecting terminal J1 with four groups with it is non-
The logic unit U1's of the 1 pin connection of the logic unit U1 of door composition, 3 pins of connecting terminal J1 and four groups of NAND gates composition
The connection of 6 pins, 1 pin of connecting terminal J2 connect with a pin of capacitor C4, another pin of capacitor C4 and four groups and
10 pins of the logic unit U1 of NOT gate composition, 12 pins of the logic unit U1 of four groups of NAND gates composition, one of resistance R3
Pin connection, another pin of resistance R3 are connect with the base stage of triode N2；2 pins of connecting terminal J2 and four groups of NAND gates
2 pins of the logic unit U1 of composition, 5 pins of the logic unit U1 of four groups of NAND gates composition, tongue tube G1 a pin,
The pin connection of a pin, resistance R7 of resistance R5；A pin of another pin of tongue tube G1 and resistance R8,
Another pin of+5V connection, resistance R5 is connect with the base stage of triode N3, and another pin of resistance R7 is with triode N3's
Emitter, GND connection；Another pin of resistance R8 is connect with 3 pins of the collector of triode N3, connecting terminal J2；Four
8 feet and a pin of resistance R11, a pin of capacitor C3, diode D2 of the logic unit U1 of group NAND gate composition
Anode connection, another pin of resistance R11 are connect with+5V, and another pin of capacitor C3 is connect with GND, diode D2's
Cathode is connect with 4 pins for the logic unit U1 that four groups of NAND gates form；9 pins of the logic unit U1 of four groups of NAND gates composition
It is connect with 11 pins of logic unit U1, the pin of resistance R4 of four groups of NAND gates composition, another pin of resistance R4
It is connect with the base stage of triode N1, the emitter of triode N1 is connect with the emitter of triode N2, GND, the collection of triode N1
Electrode is connect with a pin of resistance R1, and another pin of resistance R1 is connect with the cathode of light emitting diode L2, and luminous two
The anode of pole pipe L2 is connect with the cathode of light emitting diode L1, the anode of the positive and light emitting diode L3 of light emitting diode L1 ,+
12V connection, the cathode of light emitting diode L3 are connect with the anode of light emitting diode L4, the cathode and resistance R2 of light emitting diode L4
The connection of a pin, another pin of resistance R2 connect with the collector of triode N2；1 pin of connecting terminal J3 with+
1 pin of 12V connection, connecting terminal J4 is connect with+5V, and 1 pin of connecting terminal J5 is connect with GND.
The output common pin of the relay K1 of the control light-adjusting module 5 is connect with+5V, and the output of relay K1 is normally opened
Pin is connect with 2 pins of connecting terminal J5, the control input pin of relay K1 respectively with two pin phases of diode D1
Even, the anode of diode D1 is connect with GND, and the cathode of diode D1 is connect with the collector of triode P1, the hair of triode P1
Emitter-base bandgap grading is connect with the anode of electrolytic capacitor E1, resistance R1 mono- pin ,+12V, another pin of resistance R1 and the base of triode P1
The pin connection of pole, the cathode of electrolytic capacitor E1, resistance R3, another pin of resistance R3 are connect with GND, connecting terminal
1 pin of J1 meets+12V, and 2 pins of connecting terminal J1 meet GND, and 1 pin of connecting terminal J2 meets+5V, and the 2 of connecting terminal J2 are drawn
Foot meets GND, and 1 pin of connecting terminal J4 meets GND, and a pin of the 2 pin connecting resistance R2 of connecting terminal J2, resistance R2's is another
One pin meets+12V, and 1 pin of connecting terminal J5 connects GND, 3 pins of connecting terminal J2 and 2 pins for meeting connecting terminal J3
Connection, 1 pin of connecting terminal J3 meet+12V.
The utility model has the following positive effects: changing the structure of traditional liquid level meter；Circuit is increased on liquidometer
Structure increases the detection accuracy of tongue tube, reasonable distribution detection unit, and the circuit board using detection display module splices, inspection
Surveying on the circuit board of display module has the Primary Components such as several tongue tubes and NAND gate logic chip, to reach accurate measurement
Purpose.Maintenance is greatly reduced, maintenance cost has effectively been saved, there is apparent economic benefit and social benefit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view along the direction A-A of Fig. 1；
Fig. 3 is the schematic block circuit diagram of the utility model；
Fig. 4 is the detection display module circuit diagram of the utility model；
Fig. 5 is the control light-adjusting module circuit diagram of the utility model；
In figure: 1, cylinder；2, luminescent panel；3, high-precision graduated scale；4, display module is detected；5, light-adjusting module is controlled；
6, power module.
Specific embodiment
The specific structure of the utility model is referring to shown in Fig. 1, Fig. 2, a kind of high-precision magnetic float level meter, comprising: cylinder
1, luminescent panel 2, graduated scale 3, detection display module 4, control light-adjusting module 5 and power module 6；Detect the bright of display module 4
Degree regulation end is connect with the output end for controlling light-adjusting module 5；Magnetic force floating ball is placed in cylinder 1, detection display module 4 passes through
Luminescent panel 2 is mounted on cylinder 1, and the detection display module 4 is formed by one group, the inductor of each detection display module 4
Part-tongue tube is sequentially arranged in the side for closing on cylinder 1, status display diode in each detection display module 4 and shines
Correspondence precision graduated scale on panel 2 corresponds；The tongue tube is switched on when magnetic force floating ball is close, on off operating mode
Signal is sent into the logic circuit of detection display module 4, concatenates the institute there are two types of color respectively in two output ends of logic circuit
Status display diode is stated, determines that the display diode of that state is lit by the on-off of tongue tube, the state being arranged successively
The graduated scale 3 for showing the color alternating interface of diode is the elaborate position of liquid level where Magnetic force ball.
It is according to Fig.3, the utility model schematic block circuit diagram, including detection display module, control light-adjusting module and electricity
Source module three parts composition.
As shown in figure 4,1 pin and 13 pins of U1 of the connecting terminal J1 of the detection display module 4, diode D1
The pin connection of anode, resistance R10, another pin of resistance R10 are connect with+5V.The 3 of the cathode of diode D1 and U1
Pin connection.2 pins of connecting terminal J1 and 1 pin of U1 connect, and 3 pins of connecting terminal J1 and 6 pins of U1 connect, and connect
1 pin of line terminals J2 is connect with a pin of capacitor C4, and 10 pins of another pin of capacitor C4 and U1, the 12 of U1 are drawn
The pin connection of foot, resistance R3, another pin of resistance R3 are connect with the base stage of triode N2.The 2 of connecting terminal J2
2 pins of pin and U1,5 pins of U1, a pin of tongue tube G1, a pin of resistance R5, one of resistance R7 draw
Foot connection.Another pin of tongue tube G1 is connect with pin ,+a 5V of resistance R8, another pin of resistance R5 and three
The base stage of pole pipe N3 connects, and another pin of resistance R7 is connect with the emitter of triode N3, GND.Resistance R8 another
Pin is connect with 3 pins of the collector of triode N3, connecting terminal J2.8 feet of U1 and pin, a capacitor of resistance R11
The anode connection of a pin, diode D2 of C3, another pin of resistance R11 are connect with+5V, and another of capacitor C3 draws
Foot is connect with GND, and the cathode of diode D2 and 4 pins of U1 connect.One of 11 pins of 9 pins of U1 and U1, resistance R4
Pin connection, another pin of resistance R4 are connect with the base stage of triode N1, and the emitter of triode N1 is with triode N2's
Emitter, GND connection, the collector of triode N1 are connect with a pin of resistance R1, another pin and hair of resistance R1
The cathode of optical diode L2 (green) connects, and the anode of light emitting diode L2 is connect with the cathode of light emitting diode L1 (green),
The anode of light emitting diode L1 is connect with the anode ,+12V of light emitting diode L3 (red), the cathode and hair of light emitting diode L3
The anode connection of optical diode L4 (red), the cathode of light emitting diode L4 are connect with a pin of resistance R2, resistance R2's
Another pin is connect with the collector of triode N2.1 pin of connecting terminal J3 is connect with+12V, and the 1 of connecting terminal J4 is drawn
Foot is connect with+5V, and 1 pin of connecting terminal J5 is connect with GND.
As shown in figure 5, the output common pin of the relay K1 of the control light-adjusting module 5 is connect with+5V, relay K1
The normally opened pin of output connect with 2 pins of connecting terminal J5, the control input pin of relay K1 is respectively with diode D1's
Two pins are connected, and the anode of diode D1 is connect with GND, and the cathode of diode D1 is connect with the collector of triode P1, and three
The emitter of pole pipe P1 is connect with the anode of electrolytic capacitor E1, resistance R1 mono- pin ,+12V, another pin of resistance R1 and three
The pin connection of the base stage of pole pipe P1, the cathode of electrolytic capacitor E1, resistance R3, another pin and GND of resistance R3 connect
It connects, 1 pin of connecting terminal J1 meets+12V, and 2 pins of connecting terminal J1 meet GND, and 1 pin of connecting terminal J2 connects+5V, wiring
2 pins of terminal J2 meet GND, and 1 pin of connecting terminal J4 meets GND, and one of the 2 pin connecting resistance R2 of connecting terminal J2 draws
Foot, another pin of resistance R2 meet+12V, and 1 pin of connecting terminal J5 connects GND, 3 pins of connecting terminal J2 and wiring
2 pins of terminal J3 connect, and 1 pin of connecting terminal J3 meets+12V.
Power module 6 is made of Switching Power Supply, exportable+12V ,+5V, GND.
Claims (3)
1. a kind of high-precision magnetic float level meter characterized by comprising cylinder 1, luminescent panel 2, graduated scale 3, detection display mould
Block 4, control light-adjusting module 5 and power module 6；Detect the brightness control end of display module 4 and the output end of control light-adjusting module 5
Connection；Magnetic force floating ball is placed in cylinder 1, detection display module 4 is mounted on cylinder 1 by luminescent panel 2, the detection
Display module 4 is formed by one group, and sensing device-tongue tube of each detection display module 4, which is sequentially arranged in, closes on the one of cylinder 1
Side, each status display diode detected in display module 4 are corresponded with the corresponding precision graduated scale on luminescent panel 2；
The tongue tube is switched on when magnetic force floating ball is close, and the signal of on off operating mode is sent into the logic circuit of detection display module 4,
The status display diode there are two types of color is concatenated respectively in two output ends of logic circuit, is determined by the on-off of tongue tube
The display diode of that fixed state is lit, the graduated scale of the color alternating interface for the status display diode being arranged successively
3 be the elaborate position of liquid level where Magnetic force ball.
2. a kind of high-precision magnetic float level meter according to claim 1, which is characterized in that the detection display module 4
1 pin of connecting terminal J1 and 13 pins of logic unit U1, the anode of diode D1, the resistance being made of four groups of NAND gates
A pin of R10 connects, and another pin of resistance R10 is connect with+5V；The cathode of diode D1 and four groups of NAND gates form
Logic unit U1 3 pins connection；1 pin of the logic unit U1 of 2 pins of connecting terminal J1 and four groups of NAND gates composition
Connection, 3 pins of connecting terminal J1 are connect with 6 pins for the logic unit U1 that four groups of NAND gates form, and the 1 of connecting terminal J2 is drawn
Foot is connect with a pin of capacitor C4, and the 10 of the logic unit U1 that another pin of capacitor C4 is formed with four groups of NAND gates are drawn
The pin connection of 12 pins, resistance R3 of the logic unit U1 that foot, four groups of NAND gates form, another pin of resistance R3
It is connect with the base stage of triode N2；2 pins of the logic unit U1 of 2 pins of connecting terminal J2 and four groups of NAND gates composition, four
5 pins of logic unit U1, a pin of tongue tube G1, a pin of resistance R5, the resistance R7 of group NAND gate composition
One pin connection；Another pin of tongue tube G1 is connect with pin ,+a 5V of resistance R8, and another of resistance R5 draws
Foot is connect with the base stage of triode N3, and another pin of resistance R7 is connect with the emitter of triode N3, GND；Resistance R8's
Another pin is connect with 3 pins of the collector of triode N3, connecting terminal J2；The logic unit U1 of four groups of NAND gates composition
8 feet and a pin of resistance R11, a pin of capacitor C3, diode D2 anode connect, resistance R11 another
Pin is connect with+5V, and another pin of capacitor C3 is connect with GND, and the cathode of diode D2 is patrolled with what four groups of NAND gates formed
Collect the 4 pins connection of unit U1；9 pins of the logic unit U1 of four groups of NAND gates composition and the logic list of four groups of NAND gates composition
The pin connection of 11 pins, resistance R4 of first U1, another pin of resistance R4 are connect with the base stage of triode N1, three poles
The emitter of pipe N1 is connect with the emitter of triode N2, GND, and the collector of triode N1 and a pin of resistance R1 connect
It connects, another pin of resistance R1 is connect with the cathode of light emitting diode L2, the anode and light emitting diode of light emitting diode L2
The cathode of L1 connects, and the anode of light emitting diode L1 is connect with the anode of light emitting diode L3 ,+12V, and light emitting diode L3's is negative
Pole is connect with the anode of light emitting diode L4, and the cathode of light emitting diode L4 is connect with a pin of resistance R2, resistance R2's
Another pin is connect with the collector of triode N2；1 pin of connecting terminal J3 is connect with+12V, and the 1 of connecting terminal J4 is drawn
Foot is connect with+5V, and 1 pin of connecting terminal J5 is connect with GND.
3. a kind of high-precision magnetic float level meter according to claim 1, which is characterized in that it is described control light-adjusting module after
The output common pin of electric appliance K1 is connect with+5V, and the normally opened pin of output of relay K1 is connect with 2 pins of connecting terminal J5,
The control input pin of relay K1 is connected with two pins of diode D1 respectively, and the anode of diode D1 is connect with GND, and two
The cathode of pole pipe D1 is connect with the collector of triode P1, the emitter of triode P1 and anode, the resistance R1 of electrolytic capacitor E1
One pin ,+12V connection, another pin of resistance R1 and the base stage of triode P1, the cathode of electrolytic capacitor E1, resistance R3
One pin connection, another pin of resistance R3 are connect with GND, and 1 pin of connecting terminal J1 meets+12V, connecting terminal J1's
2 pins meet GND, and 1 pin of connecting terminal J2 meets+5V, and 2 pins of connecting terminal J2 meet GND, and 1 pin of connecting terminal J4 connects
A pin of the 2 pin connecting resistance R2 of GND, connecting terminal J2, another pin of resistance R2 meet+12V, connecting terminal J5's
1 pin meets GND, and 3 pins of connecting terminal J2 are connect with 2 pins for meeting connecting terminal J3, and 1 pin of connecting terminal J3 connects+
12V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821660808.2U CN208751669U (en) | 2018-10-12 | 2018-10-12 | Boiler high-precision magnetic float level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821660808.2U CN208751669U (en) | 2018-10-12 | 2018-10-12 | Boiler high-precision magnetic float level meter |
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| Publication Number | Publication Date |
|---|---|
| CN208751669U true CN208751669U (en) | 2019-04-16 |
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ID=66085801
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821660808.2U Active CN208751669U (en) | 2018-10-12 | 2018-10-12 | Boiler high-precision magnetic float level meter |
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| Country | Link |
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| CN (1) | CN208751669U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733611A (en) * | 2019-10-21 | 2020-01-31 | 中国舰船研究设计中心 | draft measuring device |
-
2018
- 2018-10-12 CN CN201821660808.2U patent/CN208751669U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110733611A (en) * | 2019-10-21 | 2020-01-31 | 中国舰船研究设计中心 | draft measuring device |
| CN110733611B (en) * | 2019-10-21 | 2021-04-06 | 中国舰船研究设计中心 | Draft measuring device |
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