CN201465463U - Light emitting diode magnetic floating display - Google Patents
Light emitting diode magnetic floating display Download PDFInfo
- Publication number
- CN201465463U CN201465463U CN2009201082338U CN200920108233U CN201465463U CN 201465463 U CN201465463 U CN 201465463U CN 2009201082338 U CN2009201082338 U CN 2009201082338U CN 200920108233 U CN200920108233 U CN 200920108233U CN 201465463 U CN201465463 U CN 201465463U
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- display
- liquid level
- light emitting
- emitting diode
- unit
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Abstract
The utility model relates to a light emitting diode magnetic floating display, which comprises a display framework, a measuring scale, a circuit support frame, a circuit board, a magnetic sensitive sensing unit, a liquid level processing and control display unit and a bi-color light emitting diode unit, wherein the measuring scale is arranged on the display framework, the circuit support frame is fixed in the display framework, the circuit board is fixed on the circuit support frame, the magnetic sensitive sensing unit, the liquid level processing and control display unit and the bi-color light emitting diode unit are integrated on the circuit board, the magnetic sensitive sensing unit is used for sensing the magnetic floating liquid level, the liquid level processing and control display unit is used for receiving liquid level signals transmitted from the magnetic sensitive sensing unit, processing the liquid level signals and controlling the display output, and the bi-color light emitting diode unit is used for displaying the liquid level position. Thereby, the utility model provides the light emitting diode magnetic floating display with the advantages of simple and reliable circuit, direct viewing and clear display and good corresponding performance.
Description
Technical field
The utility model relates to a kind of display, particularly a kind of be used to adopt the diode displaying liquid level the floating display of magnetic.
Background technology
At present, the on-the-spot demonstration of the floating liquid level gauge of magnetic uses the magnetic turnover panel, is coated with red green or red white paint and shows liquid level, and the time has been grown, and color can change, and influence monitors effect, particularly in the dark difficult observation.
The utility model content
At the defective of above-mentioned prior art, it is simple, reliable that the purpose of this utility model provides a kind of circuit, intuitive display and clear, the floating display of the light emitting diode magnetic that correspondence is good.
For achieving the above object, the utility model adopts following technical scheme:
A kind of light emitting diode magnetic floats display, comprises display frames, is arranged on the scale on the described display frames, also comprises the line tower that is fixed on described display frames inside, is fixed on the wiring board on the described line tower;
Integrated magnetosensitive sensing unit, liquid level are handled and control display unit and dichromatic LED unit on the described wiring board;
Described magnetosensitive sensing unit adopts some tongue tubes evenly vertically to be arranged on the described wiring board, is used for induced magnetism supernatant liquid position;
Described liquid level is handled and the control display unit is used to receive the liquid level signal that described magnetosensitive sensing unit transmits, and liquid level signal is handled, and control shows output;
Described dichromatic LED unit adopts three-prong red and green color light emitting diode, and corresponding one by one with described tongue tube, contour being arranged on the described wiring board is used to show the height of liquid level.
Light emitting diode magnetic of the present utility model floats display, and wherein said display frames rear portion is provided with and clamps band.
Light emitting diode magnetic of the present utility model floats display, and wherein said display frames bottom is provided with terminal box and is positioned at label on the described terminal box, and top is provided with upper plug head, the pad pasting that the middle part is provided with liner plate and covers on described liner plate.
Light emitting diode magnetic of the present utility model floats display, and wherein said liquid level is handled and the control display unit is used to handle liquid level signal and control and shows that the LM3914 chip of output connects to be used to control and show the ULN2803 chip of exporting.
Light emitting diode magnetic of the present utility model floats display, and wherein said LM3914 chip is two, and described ULN2803 chip is three.
Light emitting diode magnetic of the present utility model floats display, wherein said magnetosensitive sensing unit handle with described liquid level and the control display unit by being connected connector and interconnecting and connect power supply.
Light emitting diode magnetic of the present utility model floats display, and wherein said three-prong red and green color light emitting diode and described tongue tube are respectively 20.
Owing to adopted LM3914 chip and ULN2803 chip to control, made circuit simple, reliable; And show liquid level by dichromatic LED, make intuitive display and clear, and correspondence is good; Especially make at remote, night or light shady place display effect more obvious.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the floating display of the utility model light emitting diode magnetic;
Fig. 2 is the electrical schematic of the floating display of the utility model light emitting diode magnetic;
Fig. 3 is the front view of the floating display of the utility model light emitting diode magnetic;
Fig. 4 is the top plan view of the floating display of the utility model light emitting diode magnetic.
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the floating display of the utility model light emitting diode magnetic.
Referring to Fig. 1, a kind of light emitting diode magnetic floats display, comprises integrated magnetosensitive sensing unit 1, liquid level processing and control display unit 2 and dichromatic LED unit 3 in the circuit board;
Liquid level is handled and control display unit 2 is used to receive the liquid level signal that described magnetosensitive sensing unit 1 transmits, and liquid level signal is handled, and control shows output;
Referring to Fig. 2, tongue tube SW2-SW21, dichromatic LED LED1-LED20 and LM3914 chip, ULN2803 chip and connector J1, J2 are integrated on the wiring board of strip, make tongue tube SW2-SW21 evenly vertically arrange in the circuit board, the dichromatic LED LED1-LED20 of corresponding one by one contour vertical arrangement with it
Liquid level is handled and control display unit 2 comprises 2 LM3914 chips and 3 ULN2803 chips and connector J1, J2, and wherein the LM3914 chip is used to handle the liquid level signalman and controls and show output; The ULN2803 chip is used for control and shows output.
The RLO pin of connector J1 and the RHI pin of J2 connect the RLO and the RHI pin of LM3914 chip respectively, and the INUP pin of the INDOWN of connector J1 and J2 is connected the SIG pin of LM3914 chip.Wherein the SIG pin of LM3914 chip receives from the detected liquid level voltage signal of tongue tube SW2-SW21, compare with its internal reference voltage, determine its 1 pin and 10-18 pin to export high and low level, cooperate ULN2803 chip controls LED 1-LED20 to send ruddiness or green glow, make the red light emitting diodes or the luminous indication liquid level of green LED of dichromatic LED unit 3.For example when tongue tube SW10 closure, the INUP pin of the INDOWN of connector J1 and J2 is connected the SIG pin of LM3914 chip.Wherein the SIG pin of LM3914 chip U1 receives from the detected liquid level voltage signal of tongue tube SW2-SW21 by connector J1 and J2, compare with its internal reference voltage, determine its 1 pin and 11-18 pin output height or low level, cooperate ULN2803 chip controls LED 1-LED9 to send green glow, 1 pin of its 10 pin and LM3914 chip U2 and 10-18 pin send ruddiness and show liquid level.
Add the multistage cascade and can make the indication range lengthening.
Referring to Fig. 3, terminal box 6 and position label 7 thereon are set in display frames 4 bottoms of the floating display of light emitting diode magnetic, display frames 4 tops are provided with upper plug head 9, with sealing on the display frames 4, and scale 5 is set on display frames 4, be used to indicate liquid level, the left side of scale 5 is a rule, and the right side is digital chi.
Referring to Fig. 4, display frames 4 rear portions are provided with to clamp is with 12, during use, order clamps is with 12 to be clamped on the liquid level gauge wall, display frames 4 is connected by self-tapping screw 14 with the line tower 10 of the portion of setting within it, line tower 10 and wiring board 8 are connected by rivet, be used to support wiring board 8, the equal in length of the length of wiring board 8 and display frames 4, and the tongue tube SW2-SW21 that integrated even distribution is vertically arranged on wiring board 8, and with its contour one to one dichromatic LED 3, at display frames 4 middle parts liner plate 11 is set, pad pasting 13 is set with wiring board 8 with and be arranged on the inside that dichromatic LED 3 on the wiring board 8 is enclosed in display frames 4 on liner plate 11.
In use, be with 12 the floating display of light emitting diode magnetic is installed on the floating liquid level gauge wall of magnetic by clamping, liquid level gauge and tested container are formed linker, float is arranged in the liquid level gauge, magnet steel is arranged on the float, tongue tube SW2-SW21 vertically arranges in the magnetosensitive sensing unit 1, when float rises, magnet steel makes the tongue tube closure, and pass through corresponding signal lines, liquid level information sent to be positioned on the wiring board 8 that the liquid level that is provided with is handled and demonstration is handled and controlled to control display unit 2, dichromatic LED unit 3 is shown, and the float in the liquid level gauge where, be how many liquid levels is, liquid level glows more than the liquid level with lower part diode displaying green glow, shows liquid level.
Owing to adopted LM3914 chip and ULN2803 chip to control, made circuit simple, reliable; And show liquid level by dichromatic LED, make intuitive display and clear, and correspondence is good; Especially make at remote, night or light shady place display effect more obvious.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (7)
1. a light emitting diode magnetic floats display, comprise display frames (4), be arranged on the scale (5) on the described display frames (4), it is characterized in that, also comprise being fixed on the inner line tower (10) of described display frames (4), be fixed on the wiring board (8) on the described line tower (10);
Described wiring board (8) is gone up integrated magnetosensitive sensing unit (1), liquid level is handled and control display unit (2) and dichromatic LED unit (3);
Described magnetosensitive sensing unit (1) adopts some tongue tubes evenly vertically to be arranged on the described wiring board (8), is used for induced magnetism supernatant liquid position;
Described liquid level is handled and control display unit (2) is used to receive the liquid level signal that described magnetosensitive sensing unit (1) transmits, and liquid level signal is handled, and control shows output;
Described dichromatic LED unit (3) adopts three-prong red and green color light emitting diode, and corresponding one by one with described tongue tube, contour being arranged on the described wiring board (8) is used to show the height of liquid level.
2. light emitting diode magnetic according to claim 1 floats display, it is characterized in that, described display frames (4) rear portion is provided with and clamps band (12).
3. light emitting diode magnetic according to claim 2 floats display, it is characterized in that, described display frames (4) bottom is provided with terminal box (6) and is positioned at label (7) on the described terminal box (6), top is provided with upper plug head (9), and the middle part is provided with liner plate (11) and goes up the pad pasting (13) of covering in described liner plate (11).
4. light emitting diode magnetic according to claim 3 floats display, it is characterized in that described liquid level is handled and the control display unit is used to handle liquid level signal and control and shows that the LM3914 chip of output connects to be used to control and show the ULN2803 chip of exporting.
5. light emitting diode magnetic according to claim 4 floats display, it is characterized in that, described LM3914 chip is two, and described ULN2803 chip is three.
6. light emitting diode magnetic according to claim 5 floats display, it is characterized in that, described magnetosensitive sensing unit (1) handle with described liquid level and control display unit (2) by being connected connector and interconnecting and connect power supply.
7. light emitting diode magnetic according to claim 6 floats display, it is characterized in that, described three-prong red and green color light emitting diode and described tongue tube are respectively 20.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201082338U CN201465463U (en) | 2009-05-19 | 2009-05-19 | Light emitting diode magnetic floating display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201082338U CN201465463U (en) | 2009-05-19 | 2009-05-19 | Light emitting diode magnetic floating display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201465463U true CN201465463U (en) | 2010-05-12 |
Family
ID=42392811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201082338U Expired - Fee Related CN201465463U (en) | 2009-05-19 | 2009-05-19 | Light emitting diode magnetic floating display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201465463U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087134A (en) * | 2010-12-21 | 2011-06-08 | 江苏红光仪表厂有限公司 | Photoelectric liquid level meter |
| CN105371824A (en) * | 2015-12-01 | 2016-03-02 | 中铁十九局集团第七工程有限公司 | Automatic illumination electronic level gauge and indicating device |
| CN105675088A (en) * | 2014-11-20 | 2016-06-15 | 佛山市顺德区美的电热电器制造有限公司 | Clothes nursing machine and liquid volume detection method |
| CN106774042A (en) * | 2017-03-27 | 2017-05-31 | 潍坊通达仪表有限公司 | Liquid level gauge and level gauge system |
| CN108062917A (en) * | 2018-01-02 | 2018-05-22 | 京东方科技集团股份有限公司 | A kind of floated display device |
-
2009
- 2009-05-19 CN CN2009201082338U patent/CN201465463U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102087134A (en) * | 2010-12-21 | 2011-06-08 | 江苏红光仪表厂有限公司 | Photoelectric liquid level meter |
| CN105675088A (en) * | 2014-11-20 | 2016-06-15 | 佛山市顺德区美的电热电器制造有限公司 | Clothes nursing machine and liquid volume detection method |
| CN105675088B (en) * | 2014-11-20 | 2019-03-22 | 佛山市顺德区美的电热电器制造有限公司 | Clothing care machine and liquid inspection method |
| CN105371824A (en) * | 2015-12-01 | 2016-03-02 | 中铁十九局集团第七工程有限公司 | Automatic illumination electronic level gauge and indicating device |
| CN106774042A (en) * | 2017-03-27 | 2017-05-31 | 潍坊通达仪表有限公司 | Liquid level gauge and level gauge system |
| CN108062917A (en) * | 2018-01-02 | 2018-05-22 | 京东方科技集团股份有限公司 | A kind of floated display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20100512 Termination date: 20160519 |