CN202916714U - Liquid level detection and maintaining system - Google Patents
Liquid level detection and maintaining system Download PDFInfo
- Publication number
- CN202916714U CN202916714U CN201220267725.3U CN201220267725U CN202916714U CN 202916714 U CN202916714 U CN 202916714U CN 201220267725 U CN201220267725 U CN 201220267725U CN 202916714 U CN202916714 U CN 202916714U
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- CN
- China
- Prior art keywords
- liquid level
- fixed plate
- pump
- main control
- control unit
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- 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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- 239000007788 liquid Substances 0.000 title claims abstract description 74
- 238000001514 detection method Methods 0.000 title abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a liquid level detection and maintaining system which is characterized by comprising a display device, a main control unit, a pump, a fixed capacitance plate, a movable capacitance plate, a fixed plate sliding way, a buoy, a liquid bath and a liquid storage tank, wherein the display device is a touch screen and is connected with the main control unit which is connected with the pump through a power switch; the fixed capacitance plate and the movable capacitance plate are connected with a charge amplifier in the main control unit; the fixed capacitance plate is fixedly arranged on the upper part of the inner wall of the liquid bath through the fixed plate sliding way; the movable capacitance plate is arranged on the buoy and is placed on a liquid surface; and the pump is connected with the liquid storage tank through a pipeline and is arranged on the upper part of the liquid bath. The liquid level detection and maintaining system is simple in principle structure and accurate in real-time display; liquid can be quickly supplemented to timely ensure that the liquid level is constant when a liquid level is reduced; and the liquid level detection and maintaining system is applicable to places with strict requirements for the liquid level.
Description
Technical field
The utility model relates to the checkout equipment field, particularly a kind of liquid level detect and keeping system.
Background technology
In the existing liquid level checkout equipment, common configuration is complicated, and precision is low, and hysteresis is large, keeps simultaneously liquid level at a certain desired location by current liquid level in order accurately to show in real time, needs rational equipment.
The utility model content
The purpose of this utility model is that the spy provides a kind of liquid level to detect and keeping system for Accurate Detection of Liquid Level and maintenance setting height.
The utility model provides a kind of liquid level to detect and keeping system, it is characterized in that: described liquid level detects and keeping system comprises display device 1, main control unit 2, pump 3, capacitor fixed plate 4, electric capacity movable plate electrode 5, fixed plate slideway 6, cursory 7, liquid bath 8, fluid reservoir 9;
Wherein: display device 1 is that touch-screen is connected with main control unit 2, main control unit 2 is connected with pump 3 by power switch, capacitor fixed plate 4 is connected with the electric capacity movable plate electrode respectively and is connected with charge amplifier in the main control unit 2, capacitor fixed plate 4 is fixedly mounted on liquid bath 8 upper inside wall by fixed plate slideway 6, electric capacity movable plate electrode 5 is installed on cursory 7, place liquid level, pump 3 is connected with fluid reservoir 9 by pipeline, and pump 3 is installed in liquid bath 8 tops.
Described capacitor fixed plate 4 and electric capacity movable plate electrode 5 surfaces are with insulation course.
Described pump 3 is self-priming pump.
Band is useful on the locating device of adjusting capacitor fixed plate 4 positions on the described fixed plate slideway 6.
Comprise single-chip microcomputer or Programmable Logic Controller and signal acquisition module in the described main control unit 2.
Described locating device for adjusting capacitor fixed plate 4 positions is magnet or screw holding device.
When liquid level reduced, 5 meetings of electric capacity movable plate electrode moved down along with cursory 7, and polar plate spacing strengthens, and output signal changes, and main control unit 2 detects the signal of variation, gave pump 3 output enabling signals, to liquid bath 8 interior liquid make-up.
Advantage of the present utility model:
Liquid level described in the utility model detects and keeping system, and theory structure is simple, shows in real time accurately, and when liquid level reduced, liquid make-up guaranteed that in time liquid level is constant rapidly, was applicable to the occasion that liquid level is strict with.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is that liquid level detects and keeping system theory structure schematic diagram.
Embodiment
Embodiment 1
The present embodiment provides a kind of liquid level to detect and keeping system, it is characterized in that: described liquid level detects and keeping system comprises display device 1, main control unit 2, pump 3, capacitor fixed plate 4, electric capacity movable plate electrode 5, fixed plate slideway 6, cursory 7, liquid bath 8, fluid reservoir 9;
Wherein: display device 1 is that touch-screen is connected with main control unit 2, main control unit 2 is connected with pump 3 by power switch, capacitor fixed plate 4 is connected with the electric capacity movable plate electrode respectively and is connected with charge amplifier in the main control unit 2, capacitor fixed plate 4 is fixedly mounted on liquid bath 8 upper inside wall by fixed plate slideway 6, electric capacity movable plate electrode 5 is installed on cursory 7, place liquid level, pump 3 is connected with fluid reservoir 9 by pipeline, and pump 3 is installed in liquid bath 8 tops.
Described capacitor fixed plate 4 and electric capacity movable plate electrode 5 surfaces are with insulation course.
Described pump 3 is self-priming pump.
Band is useful on the locating device of adjusting capacitor fixed plate 4 positions on the described fixed plate slideway 6.
Comprise single-chip microcomputer and signal acquisition module in the described main control unit 2.
Described locating device for adjusting capacitor fixed plate 4 positions is the screw holding device.
When liquid level reduced, 5 meetings of electric capacity movable plate electrode moved down along with cursory 7, and polar plate spacing strengthens, and output signal changes, and main control unit 2 detects the signal of variation, gave pump 3 output enabling signals, to liquid bath 8 interior liquid make-up.
The present embodiment provides a kind of liquid level to detect and keeping system, it is characterized in that: described liquid level detects and keeping system comprises display device 1, main control unit 2, pump 3, capacitor fixed plate 4, electric capacity movable plate electrode 5, fixed plate slideway 6, cursory 7, liquid bath 8, fluid reservoir 9;
Wherein: display device 1 is that touch-screen is connected with main control unit 2, main control unit 2 is connected with pump 3 by power switch, capacitor fixed plate 4 is connected with the electric capacity movable plate electrode respectively and is connected with charge amplifier in the main control unit 2, capacitor fixed plate 4 is fixedly mounted on liquid bath 8 upper inside wall by fixed plate slideway 6, electric capacity movable plate electrode 5 is installed on cursory 7, place liquid level, pump 3 is connected with fluid reservoir 9 by pipeline, and pump 3 is installed in liquid bath 8 tops.
Described capacitor fixed plate 4 and electric capacity movable plate electrode 5 surfaces are with insulation course.
Described pump 3 is self-priming pump.
Band is useful on the locating device of adjusting capacitor fixed plate 4 positions on the described fixed plate slideway 6.
Comprise Programmable Logic Controller and signal acquisition module in the described main control unit 2.
Described locating device for adjusting capacitor fixed plate 4 positions is magnet.
When liquid level reduced, 5 meetings of electric capacity movable plate electrode moved down along with cursory 7, and polar plate spacing strengthens, and output signal changes, and main control unit 2 detects the signal of variation, gave pump 3 output enabling signals, to liquid bath 8 interior liquid make-up.
The present embodiment provides a kind of liquid level to detect and keeping system, it is characterized in that: described liquid level detects and keeping system comprises display device 1, main control unit 2, pump 3, capacitor fixed plate 4, electric capacity movable plate electrode 5, fixed plate slideway 6, cursory 7, liquid bath 8, fluid reservoir 9;
Wherein: display device 1 is that touch-screen is connected with main control unit 2, main control unit 2 is connected with pump 3 by power switch, capacitor fixed plate 4 is connected with the electric capacity movable plate electrode respectively and is connected with charge amplifier in the main control unit 2, capacitor fixed plate 4 is fixedly mounted on liquid bath 8 upper inside wall by fixed plate slideway 6, electric capacity movable plate electrode 5 is installed on cursory 7, place liquid level, pump 3 is connected with fluid reservoir 9 by pipeline, and pump 3 is installed in liquid bath 8 tops.
Described capacitor fixed plate 4 and electric capacity movable plate electrode 5 surfaces are with insulation course.
Described pump 3 is self-priming pump.
Band is useful on the locating device of adjusting capacitor fixed plate 4 positions on the described fixed plate slideway 6.
Comprise single-chip microcomputer and signal acquisition module in the described main control unit 2.
Described locating device for adjusting capacitor fixed plate 4 positions is magnet.
When liquid level reduced, 5 meetings of electric capacity movable plate electrode moved down along with cursory 7, and polar plate spacing strengthens, and output signal changes, and main control unit 2 detects the signal of variation, gave pump 3 output enabling signals, to liquid bath 8 interior liquid make-up.
Claims (6)
1. a liquid level detects and keeping system, it is characterized in that: described liquid level detects and keeping system comprises display device (1), main control unit (2), pump (3), capacitor fixed plate (4), electric capacity movable plate electrode (5), fixed plate slideway (6), cursory (7), liquid bath (8), fluid reservoir (9);
Wherein: display device (1) is touch-screen, be connected with main control unit (2), main control unit (2) is connected with pump (3) by power switch, capacitor fixed plate (4) is connected 5 with the electric capacity movable plate electrode) be connected with charge amplifier in the main control unit (2) respectively, capacitor fixed plate (4) is fixedly mounted on liquid bath (8) upper inside wall by fixed plate slideway (6), electric capacity movable plate electrode (5) is installed on cursory (7), place liquid level, pump (3) is connected with fluid reservoir (9) by pipeline, and pump (3) is installed in liquid bath (8) top.
2. detect and keeping system according to liquid level claimed in claim 1, it is characterized in that: described capacitor fixed plate (4) and electric capacity movable plate electrode (5) surface are with insulation course.
3. detect and keeping system according to liquid level claimed in claim 1, it is characterized in that: described pump (3) is self-priming pump.
4. detect and keeping system according to liquid level claimed in claim 1, it is characterized in that: the upper band of described fixed plate slideway (6) is useful on the locating device of adjusting capacitor fixed plate (4) position.
5. detect and keeping system according to liquid level claimed in claim 4, it is characterized in that: comprise single-chip microcomputer or Programmable Logic Controller and signal acquisition module in the described main control unit (2).
6. detect and keeping system according to liquid level claimed in claim 4, it is characterized in that: described locating device for adjusting capacitor fixed plate (4) position is magnet or screw holding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220267725.3U CN202916714U (en) | 2012-06-07 | 2012-06-07 | Liquid level detection and maintaining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220267725.3U CN202916714U (en) | 2012-06-07 | 2012-06-07 | Liquid level detection and maintaining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202916714U true CN202916714U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220267725.3U Expired - Lifetime CN202916714U (en) | 2012-06-07 | 2012-06-07 | Liquid level detection and maintaining system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202916714U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707738A (en) * | 2012-06-07 | 2012-10-03 | 辽宁省电力有限公司本溪供电公司 | Liquid level detection and maintaining system |
| CN104765388A (en) * | 2015-01-30 | 2015-07-08 | 江苏农林职业技术学院 | Automatic water level control system based on configuration software |
| CN105507327A (en) * | 2015-12-01 | 2016-04-20 | 上海隧道工程有限公司 | Slurry liquid level control system and control method |
| CN108594878A (en) * | 2018-04-22 | 2018-09-28 | 北京工业大学 | A kind of device accurately controlling shield model test excavation face supporting power |
-
2012
- 2012-06-07 CN CN201220267725.3U patent/CN202916714U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707738A (en) * | 2012-06-07 | 2012-10-03 | 辽宁省电力有限公司本溪供电公司 | Liquid level detection and maintaining system |
| CN102707738B (en) * | 2012-06-07 | 2014-03-26 | 辽宁省电力有限公司本溪供电公司 | Liquid level detection and maintaining system |
| CN104765388A (en) * | 2015-01-30 | 2015-07-08 | 江苏农林职业技术学院 | Automatic water level control system based on configuration software |
| CN105507327A (en) * | 2015-12-01 | 2016-04-20 | 上海隧道工程有限公司 | Slurry liquid level control system and control method |
| CN108594878A (en) * | 2018-04-22 | 2018-09-28 | 北京工业大学 | A kind of device accurately controlling shield model test excavation face supporting power |
| CN108594878B (en) * | 2018-04-22 | 2021-06-25 | 北京工业大学 | Device for accurately controlling shield model test excavation face supporting force |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20140326 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20140326 |