CN201751812U - Autonomous light-emitting liquid level meter - Google Patents
Autonomous light-emitting liquid level meter Download PDFInfo
- Publication number
- CN201751812U CN201751812U CN2010200426622U CN201020042662U CN201751812U CN 201751812 U CN201751812 U CN 201751812U CN 2010200426622 U CN2010200426622 U CN 2010200426622U CN 201020042662 U CN201020042662 U CN 201020042662U CN 201751812 U CN201751812 U CN 201751812U
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- CN
- China
- Prior art keywords
- liquid level
- display unit
- level gauge
- magnetic
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses an autonomous light-emitting liquid level meter comprising a liquid level meter body. The autonomous light-emitting liquid level meter is characterized by comprising a magnetic sensing element, a magnetic floater, a triggering unit, a control and retaining unit, a display unit and a light source controller, wherein the liquid level meter body is communicated with a boiler drum through a connecting pipe; the magnetic sensing element is installed in the magnetic floater; the magnetic floater is installed in the liquid level meter body; the triggering unit, the control and retaining unit and the display unit are electrically connected; the display unit is electrically connected with the light source controller; the display unit consists of light-emitting diodes or other luminous bodies; the light source controller provides the display unit with power and adjusts the brightness; the magnetic floater changes with the water level of the boiler drum; the magnetic sensing element in the magnetic floater is magnetically coupled so that the triggering unit is closed or cut off synchronously with the water level of the boiler; and the signal of the triggering unit passes through the control and retaining unit and is transmitted to the display unit. As the sensor is separated from the water medium in the boiler, the failure of water level sensing caused by scaling is avoided. The control is reliable, the measurement is accurate and the display is clear.
Description
Technical field
The utility model relates to the improvement to the boiler water gauge structure, relates in particular to a kind of autonomous luminous liquid level gauge, is specially adapted to the boiler drum water level measurement of electric power, petroleum chemical industry etc., belongs to field of measuring technique.
Background technology
Existing boiler drum water level measurement generally adopts magnetic upset double colored indicator or double-colored mica water level gauge, and magnetic upset double colored indicator only has demonstration and warning function on the spot, and night-time observation need be by means of ambient light.Though double-colored mica water level gauge need not be observed by means of ambient light, its observation scope is narrow, mica sheet is very easily fuzzy, observes unclearly, often needs repairing or changes mica sheet.
Existing boiler drum water level measurement instrument generally adopts the dull and stereotyped water level gauge of sensing type, utilizes water and steam conductance different principle to carry out level sensor, adopts contact electrode as sensing element.When boiler water level arrives a certain position, contact with being located at the electrode tip of showing in the body, this signal of electrode handle passes to control instrument, realizes water-level observation and control.
The major defect of this structure is: the boiler scaling that is in operation is inevitably, and the contact electrode scaling causes level sensor malfunctioning, causes boiler normally not move, and needs repairing or changes electrode.
Summary of the invention
The utility model discloses a kind of autonomous luminous liquid level gauge, with solve in the prior art boiler drum water level measurement instrument observation unclear, need problem such as often maintenance.
The utility model comprises liquid level gauge table body; It is characterized in that: also comprise magnetic sensing element, liquid level gauge float, trigger element, control and holding unit, display unit, light source controller; Liquid level gauge table body is connected with boiler-steam dome by connecting pipe, and the magnetic sensing element is installed in the magnetic float; Magnetic float is installed in the liquid level gauge table body; Trigger element is connected with control and holding unit electric signal; Control and holding unit are connected with the display unit electric signal; Display unit is connected with the light source controller electric signal; Display unit is made up of light emitting diode or other luminophor, and light source controller provides the display unit power supply, and regulates the brightness of display unit; The liquid level gauge float changes with the boiler-steam dome middle water level, magnetic sensing element magnetic coupling makes trigger element and boiler water level synchronizing close or disconnection in the liquid level gauge float, the trigger element signal is handled through control and holding unit, transmits signal to display unit and carries out the water level demonstration.
Trigger element is made up of some tongue tubes.Trigger element, control and holding unit, display unit are in the circuit board integrated.Display unit is emerging in whole table body front end fully.
The utility model also comprises scale, erecting device and display panel; Continuous wiring board is installed in the display panel, and erecting device is fixed on water level gauge table body side surface with display panel.Display panel demonstrates the red light green effect of vapour, and scale is accurately indicated the boiler-steam dome middle water level.
Wiring board has 12V output line, 5V output line, ground wire.
The utility model also comprises stainless steel sheath, and stainless steel sheath is installed on outside the wiring board.
The utility model advantage is: aqueous medium isolating construction in sensor and the boiler, avoid scaling to cause level sensor malfunctioning and boiler can not normally be moved, water level control is reliable, measure accurately stable, the compressive strength height, corrosion resistance is strong, the water level gauge maintenance is few; Display unit is made up of light emitting diode, clear display, and need not get final product observed stage night by ambient light; Display unit is emerging in table body front end fully, and the visual angle is wide.
Description of drawings
Fig. 1 the utility model Magnetic Sensor schematic diagram.
Fig. 2 the utility model structural representation.
Fig. 3 the utility model A-A cut-open view.
Among the figure: 1 liquid level gauge table body, 2 magnetic sensing elements, 3 magnetic floats, 4 erecting devices, 5 display panels, 6 scales, 7 wiring boards, 8 stainless steel sheaths, 9 connecting pipes, 10 light source controllers, wherein 7a trigger element, 7b control and holding unit, 7c display unit, 7d 12V output line, 7e 5V output line, 7f ground wire.
Embodiment
Below be an embodiment of the present utility model.As Fig. 1, Fig. 2, shown in Figure 3: the utility model comprises liquid level gauge table body 1, magnetic sensing element 2, magnetic float 3, erecting device 4, display panel 5, scale 6, wiring board 7, stainless steel sheath 8, connecting pipe 9, light source controller 10.Erecting device 4 is fixed on liquid level gauge table body 1 side with display panel 5, and display unit 7c is emerging in whole liquid level gauge table body 1 front end fully.
Liquid level gauge table body 1 is connected with boiler-steam dome by connecting pipe 9, and liquid level gauge table body 1 forms linker with boiler-steam dome; Magnetic sensing element 2 is installed in the magnetic float 3; Magnetic float 3 is installed in the liquid level gauge table body 1; Continuous wiring board 7 and scale 6 are installed in the display panel 5; Wiring board 7 comprises trigger element 7a, control and holding unit 7b, display unit 7c, and has 12V output line 7d, 5V output line 7e, ground wire 7f; Trigger element 7a is connected with control and holding unit 7b electric signal; Control and holding unit 7b are connected with display unit 7c electric signal; Display unit 7c is connected with light source controller 10 electric signal; Trigger element 7a is made up of some tongue tubes, and display unit 7c is made up of light emitting diode, and light source controller 10 provides display unit 7c power supply, and regulates the brightness of display unit 7c; Magnetic float 3 changes with the boiler-steam dome middle water level, magnetic sensing element 2 magnetic couplings make trigger element 7a tongue tube and boiler water level synchronizing close or disconnection in the magnetic float 3, trigger element 7a signal is handled through control and holding unit 7b, and the transmission signal carries out water level to display unit 7c and shows.Stainless steel sheath 8 is installed on wiring board 7 outsides.
The utility model is not limited to the display unit 7c of above-mentioned light emitting diode construction, and display unit 7c is made up of other luminophor and also falls into the utility model protection domain.
Claims (4)
1. an autonomous luminous liquid level gauge comprises liquid level gauge table body; It is characterized in that: also comprise magnetic sensing element, liquid level gauge float, trigger element, control and holding unit, display unit, light source controller; Liquid level gauge table body is connected with boiler-steam dome by connecting pipe, and the magnetic sensing element is installed in the magnetic float; Magnetic float is installed in the liquid level gauge table body; Trigger element is connected with control and holding unit electric signal; Control and holding unit are connected with the display unit electric signal; Display unit is connected with the light source controller electric signal; Display unit is made of light emitting diode, and light source controller provides the display unit power supply, and regulates the brightness of display unit; The liquid level gauge float changes with the boiler-steam dome middle water level, magnetic sensing element magnetic coupling makes trigger element and boiler water level synchronizing close or disconnection in the liquid level gauge float, the trigger element signal is handled through control and holding unit, transmits signal to display unit and carries out the water level demonstration.
2. liquid level gauge according to claim 1 is characterized in that: trigger element is made up of several tongue tubes.
3. liquid level gauge according to claim 1 is characterized in that: trigger element, control and holding unit, display unit are in the circuit board integrated.
4. liquid level gauge according to claim 1 is characterized in that: also comprise scale, erecting device and display panel; Continuous wiring board is installed in the display panel, and erecting device is fixed on liquid level gauge table body side surface with display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200426622U CN201751812U (en) | 2010-01-15 | 2010-01-15 | Autonomous light-emitting liquid level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200426622U CN201751812U (en) | 2010-01-15 | 2010-01-15 | Autonomous light-emitting liquid level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201751812U true CN201751812U (en) | 2011-02-23 |
Family
ID=43602221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200426622U Expired - Lifetime CN201751812U (en) | 2010-01-15 | 2010-01-15 | Autonomous light-emitting liquid level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201751812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132324A (en) * | 2013-05-03 | 2014-11-05 | 徐建民 | Boiler water-level alarm and control device |
| CN107270991A (en) * | 2017-02-24 | 2017-10-20 | 吉林省隆华测控股份有限公司 | A kind of water-level gauge Luminous scale |
-
2010
- 2010-01-15 CN CN2010200426622U patent/CN201751812U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132324A (en) * | 2013-05-03 | 2014-11-05 | 徐建民 | Boiler water-level alarm and control device |
| CN107270991A (en) * | 2017-02-24 | 2017-10-20 | 吉林省隆华测控股份有限公司 | A kind of water-level gauge Luminous scale |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110223 |
|
| CX01 | Expiry of patent term |