CN201488773U - Oil quantity display meter of low-oil level audible and visual alarm three-color strip-shaped luminescent tube - Google Patents
Oil quantity display meter of low-oil level audible and visual alarm three-color strip-shaped luminescent tube Download PDFInfo
- Publication number
- CN201488773U CN201488773U CN2009201626820U CN200920162682U CN201488773U CN 201488773 U CN201488773 U CN 201488773U CN 2009201626820 U CN2009201626820 U CN 2009201626820U CN 200920162682 U CN200920162682 U CN 200920162682U CN 201488773 U CN201488773 U CN 201488773U
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- circuit board
- printed circuit
- metal shell
- pcb
- oil level
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Abstract
The utility model relates to an oil quantity display meter of a low-oil level audible and visual alarm three-color strip-shaped luminescent tube, which comprises a metal housing (1), wherein a sealing glass (2) is installed at the front of the metal housing (1) to prevent dust and steam from entering the meter. The metal housing (1) is internally provided with a printed circuit board (4); a control circuit which consists of a strip-shaped three-color light-emitting diode (3), a microprocessor (5), a buzzer (7) and a signal changing circuit (15) is distributed on the printed circuit board (4); and a power supply cathode wire connecting column (6), an oil quantity sensing signal connecting column (9) and a power supply anode wire connecting column (10) lead out the metal housing (1) from the printed circuit board (4) by means of bolt connection. The ten segments of the three-color strip-shaped light-emitting diode swing to replace the traditional pointer, and the meter has no inner movable parts, therefore, the meter has the advantages of visual display, high reliability, long service life and beautiful appearance, and the like, combines the function of oil quantity display with the function of low-oil level audible and visual alarm, and improves the economical efficiency and the practicability.
Description
Technical field:
The utility model relates to a kind of low oil level sound and light alarm three vitta shape luminotrons demonstration fuel level gauge that can carry out the demonstration directly perceived of color separation section to fuel liquid level.
Background technology:
At present, the normally analog pointer instrument of known fuel liquid level indicating instrument, it is made up of pointer instrument head, panel board, solenoid, fuel sensor.Fuel sensor is made up of fuel oil float and slip variohm, with the liquid level lifting, variable coiling resistor resistance changes by float, thereby has changed electric current and the magnetic field intensity that is applied on the instrument coil, pointer just changes along with the variation of magnetic field intensity, the height of expression liquid level.But, because its coil very easily is subjected to the influence of shock and vibration, and movable part such as pointer is arranged in the instrument, so in the environment that violent bump, strong vibration are arranged, use, occur faults such as the instrument coil opens circuit, short circuit, instrument axis bending, indicator clamping stagnation easily, reliability is lower; Though have the anti-vibration performance fuel level gauge of diode displaying preferably now, but said two devices does not possess low oil level sound, light warning function, and the user who is unfavorable for engineering, building machinery, genset etc. understands the fuel oil operating position in time, exactly in abominable, noisy environment.
Summary of the invention:
The purpose of this utility model is to avoid the deficiencies in the prior art part and provides low oil level sound and light alarm three vitta shape luminotrons to show fuel level gauge.Thereby efficiently solve problems of the prior art.
The purpose of this utility model can be by realizing by the following technical solutions: described low oil level sound and light alarm three vitta shape luminotrons show fuel level gauge, include metal shell (1), be characterized in also including: seal glass (2) is equipped with in described metal shell (1) front, prevents that dust, aqueous vapor from entering instrument; Be provided with printed circuit board (PCB) (4) in the metal shell (1), the control circuit that strip Tricolor LED (3), microprocessor (5), hummer (7) and signal conversion circuit (15) are formed is arranged on the printed circuit board (PCB) (4), and power cathode binding post (6), oil mass transducing signal binding post (9) and positive source binding post (10) adopt screw connecting mode to draw metal shell (1) from printed circuit board (PCB) (4).
Described metal shell (1) back is welded with two erection bolts (8), is equipped with on the erection bolt (8) clip (11) is installed.Described hummer (7) is welded on printed circuit board (PCB) (4) reverse side, and corresponding with the cellular perforate on the metal shell (1).Be provided with insulating mat (12) between described metal shell (1) and the printed circuit board (PCB) (4).
Described printed circuit board (PCB) (4) is gone up signal conversion circuit (15) and is linked to each other with fuel-quantity transducer (13) by oil mass transducing signal binding post (9), signal conversion circuit (15) links to each other with microprocessor (5), strip Tricolor LED (3) links to each other with microprocessor (5), microprocessor (5) links to each other with hummer (7) with photo-coupler (14) by resistance R 1, and described strip Tricolor LED (3) is made up of six sections greens, two sections yellow and two sections emitting red light diodes.
Described low oil level sound and light alarm three vitta shape luminotrons show fuel level gauge, its beneficial effect comprises, it adopts 10 sections strip Tricolor LEDs to substitute traditional beat of pointer, no movable part in the table, have advantages such as intuitive display, reliability height, life-span are long and attractive in appearance, simultaneously oil mass demonstration and low oil level sound, light alarm function are united two into one, economy and practicality have been improved, can not only the color separation section intuitively show fuel liquid level, and sound, light warning automatically when fuel liquid level is lower than lower limit, operating personnel are carried out audio communication remind.
Description of drawings:
Fig. 1 is a structural principle synoptic diagram of the present utility model;
Fig. 2 is the right TV structure synoptic diagram among Fig. 1 of the present utility model;
Fig. 3 is the left TV structure synoptic diagram among Fig. 1 of the present utility model;
Fig. 4 is a control circuit connection layout of the present utility model.
Embodiment:
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing:
See Fig. 1,2,3,4, described low oil level sound and light alarm three vitta shape luminotrons show fuel level gauge, include metal shell 1, and be characterized in also including: seal glass 2 is equipped with in described metal shell 1 front, prevents that dust, aqueous vapor from entering instrument; Be provided with printed circuit board (PCB) 4 in the metal shell 1, the control circuit that strip Tricolor LED 3, microprocessor 5, hummer 7 and signal conversion circuit 15 are formed is arranged on the printed circuit board (PCB) 4, and power cathode binding post 6, oil mass transducing signal binding post 9 and positive source binding post 10 adopt screw connecting mode to draw metal shell 1 from printed circuit board (PCB) 4.
Described metal shell 1 back is welded with two erection bolts 8, is equipped with on the erection bolt 8 clip 11 is installed.Described hummer 7 is welded on printed circuit board (PCB) 4 reverse side, and corresponding with the cellular perforate on the metal shell 1.Be provided with insulating mat 12 between described metal shell 1 and the printed circuit board (PCB) 4.
Signal conversion circuit 15 links to each other with fuel-quantity transducer 13 by oil mass transducing signal binding post 9 on the described printed circuit board (PCB) 4, signal conversion circuit 15 links to each other with microprocessor 5, strip Tricolor LED 3 links to each other with microprocessor 5, microprocessor 5 links to each other with hummer 7 with photo-coupler 14 by resistance R 1, and described strip Tricolor LED 3 is made up of six sections greens, two sections yellow and two sections emitting red light diodes.
Low oil level sound and light alarm three vitta shape luminotrons show fuel level gauge, adopting microprocessor to carry out the fuel liquid level signals sampling handles, the resistance value conversion of signals that 30 Ω-240 Ω that fuel sensor is sent changes is the 0-5V voltage signal that microprocessor can be discerned, and just carry out analyzing and processing according to sampled signal, the output trigger pip is to three look section strip light emitting diode digital display circuits, display circuit is made up of 10 sections strip Tricolor LEDs, lights or extinguish the light emitting diode of relevant position according to the height of microprocessor output control signal.Variation along with fuel oil position state, green (6 sections), yellow (2 sections), red (2 sections) light emitting diode are shinny successively, expression " normally ", " attention " respectively, " warning ", when red light emitting diode is lighted, when oil level is lower than lower limit, red (2 sections) LED of microprocessor output signal control points out with eye-catching flashing mode, export another road signal simultaneously to the sound alarm circuit of forming by triode, optocoupler, hummer etc., hummer can send the sound, the operator is carried out audio communication remind.Above circuit is made into printed circuit board (PCB) and is installed in the round meter shell, and the meter housing front is a seal glass, and draw positive and negative power supply signal, fuel level sensor signal at the back side by Binding post/stud, and open honeycomb hole as hummer sounding sky in the housing rear surface.
Claims (6)
1. low oil level sound and light alarm three vitta shape luminotrons show fuel level gauge, include metal shell (1), it is characterized in that also including: seal glass (2) is equipped with in described metal shell (1) front, be provided with printed circuit board (PCB) (4) in the metal shell (1), strip Tricolor LED (3), microprocessor (5), the control circuit that hummer (7) and signal conversion circuit (15) are formed is arranged on the printed circuit board (PCB) (4) power cathode binding post (6), oil mass transducing signal binding post (9) and positive source binding post (10) adopt screw connecting mode to draw metal shell (1) from printed circuit board (PCB) (4).
2. low oil level sound and light alarm three vitta shape luminotrons as claimed in claim 1 show fuel level gauge, and it is characterized in that: described metal shell (1) back is welded with two erection bolts (8), are equipped with on the erection bolt (8) clip (11) is installed.
3. low oil level sound and light alarm three vitta shape luminotrons as claimed in claim 1 show fuel level gauge, and it is characterized in that: described hummer (7) is welded on printed circuit board (PCB) (4) reverse side, and corresponding with the cellular perforate on the metal shell (1).
4. low oil level sound and light alarm three vitta shape luminotrons as claimed in claim 1 show fuel level gauge, it is characterized in that: be provided with insulating mat (12) between described metal shell (1) and the printed circuit board (PCB) (4).
5. low oil level sound and light alarm three vitta shape luminotrons as claimed in claim 1 show fuel level gauge, it is characterized in that: described printed circuit board (PCB) (4) is gone up signal conversion circuit (15) and is linked to each other with fuel-quantity transducer (13) by oil mass transducing signal binding post (9), signal conversion circuit (15) links to each other with microprocessor (5), strip Tricolor LED (3) links to each other with microprocessor (5), and microprocessor (5) links to each other with hummer (7) with photo-coupler (14) by resistance R 1.
6. low oil level sound and light alarm three vitta shape luminotrons as claimed in claim 1 show fuel level gauge, and it is characterized in that: described strip Tricolor LED (3) is made up of six sections greens, two sections yellow and two sections emitting red light diodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201626820U CN201488773U (en) | 2009-07-22 | 2009-07-22 | Oil quantity display meter of low-oil level audible and visual alarm three-color strip-shaped luminescent tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201626820U CN201488773U (en) | 2009-07-22 | 2009-07-22 | Oil quantity display meter of low-oil level audible and visual alarm three-color strip-shaped luminescent tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201488773U true CN201488773U (en) | 2010-05-26 |
Family
ID=42427647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201626820U Expired - Fee Related CN201488773U (en) | 2009-07-22 | 2009-07-22 | Oil quantity display meter of low-oil level audible and visual alarm three-color strip-shaped luminescent tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201488773U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661249A (en) * | 2020-06-11 | 2020-09-15 | 左全清 | Flood prevention buoy for hydraulic engineering |
-
2009
- 2009-07-22 CN CN2009201626820U patent/CN201488773U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111661249A (en) * | 2020-06-11 | 2020-09-15 | 左全清 | Flood prevention buoy for hydraulic engineering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120722 |