CN2702284Y - Intelligent bob type water level meter - Google Patents
Intelligent bob type water level meter Download PDFInfo
- Publication number
- CN2702284Y CN2702284Y CN 200420050360 CN200420050360U CN2702284Y CN 2702284 Y CN2702284 Y CN 2702284Y CN 200420050360 CN200420050360 CN 200420050360 CN 200420050360 U CN200420050360 U CN 200420050360U CN 2702284 Y CN2702284 Y CN 2702284Y
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- China
- Prior art keywords
- float
- water level
- magnetosensitive
- water
- intelligent
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- Expired - Fee Related
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Abstract
The utility model relates to a bob type water level meter, in particular to an intelligent bob type water level meter comprising a measuring water cylinder (1), a supporting base (4), a bob (6) and a bob detection of water level circuit. The intelligent bob type water level meter is characterized in that one side of the measuring water cylinder (1) is uniformly provided with a plurality of measuring water cylinder magnetic-sensing on-off elements (5) along the axial direction. The other side of the measuring water cylinder (1) is correspondingly and uniformly provided with a plurality of magnets(2) as the same height. One side of the bob (6) is provided with a banding magnet (7) matched with the measuring water cylinder magnetic-sensing on-off element (5) on the measuring water cylinder (1). The other side of the bob (6) is uniformly provided with a bob magnetic-sensing on-off element (3) matched with the magnet (2) on the measuring water cylinder(1). The utility model adopts the measuring principle which is similar to the measuring principle of a sliding caliper and has larger measuring range. The intelligent bob type water level meter can ensure higher accuracy in measurement and lower cost of manufacture.
Description
Technical field
The utility model relates to float type level meter, especially a kind of intelligent float type level meter.
Background technology
Float type level meter is a kind of water level detecting instrument commonly used, present float type level meter has a variety of, its principle of work is to utilize buoyancy of water that float is risen to a certain position, measure water level by detecting the residing position of float, mainly contain photoelectric coding disc type, potentiometer formula and magnetic scale formula etc., existing float type level meter is difficult for realizing little power consumption, also is difficult to accomplish high precision, wide range and low cost.
Summary of the invention
For addressing the above problem, the utility model proposes a kind of intelligent float type level meter by magnetosensitive on-off element measurement water level, both had very big range, can guarantee higher measuring accuracy and lower manufacturing cost again.
A kind of intelligent float type level meter, the water gaging tube that comprises a hollow, there is hold-down support water gaging tube below, be provided with float and water level detection circuit in the water gaging tube, its special feature is, one side of described water gaging tube axially is evenly equipped with some water gaging tube magnetosensitive on-off elements along it, equally highly locate corresponding some magnets that are evenly equipped with at the opposite side of this water gaging tube, one side of described float is provided with a bar magnet that matches with water gaging tube magnetosensitive on-off element on the water gaging tube, be evenly equipped with the float magnetosensitive on-off element that matches with magnet on the water gaging tube at the opposite side of this float, water gaging tube magnetosensitive on-off element and float magnetosensitive on-off element respectively with the electric UNICOM of water level detection circuit.
All have magnet and magnetosensitive on-off element on water gaging tube of the present utility model and the float, its range depends primarily on the spacing and the quantity of water gaging tube magnetosensitive on-off element on the water gaging tube, its measuring accuracy then depends on the spacing and the quantity of float magnetosensitive on-off element on the float, owing to adopted and the similar measuring principle of vernier caliper, both had bigger range, and can guarantee higher measuring accuracy and lower manufacturing cost again.
Description of drawings
Accompanying drawing 1 is a structural representation of the present utility model;
Accompanying drawing 2 is a schematic block circuit diagram of the present utility model.
Embodiment
As shown in Figure 1, the utility model comprises the water gaging tube 1 of a hollow, water gaging tube 1 below is installed with bearing 4, be provided with float 6 and water level detection circuit in the water gaging tube 1, in a side of water gaging tube 1 along the some water gaging tube magnetosensitives of axially being evenly distributed with of water gaging tube 1 on-off element 5, specifically can adopt tongue tube or magnetodiode, play on-off action, equally highly locate corresponding some magnets 2 that are evenly distributed with at the opposite side of this water gaging tube 1, the spacing of water gaging tube magnetosensitive on-off element 5 and quantity have determined the maximum range of measuring.
As shown in Figure 1, be provided with a bar magnet 7 that matches with water gaging tube magnetosensitive on-off element 5 on the water gaging tube 1 in a side of float 6, the length of this bar magnet 7 should be slightly larger than the spacing of adjacent two water gaging tube magnetosensitive on-off elements 5 on the water gaging tube 1, to avoid to trigger any one water gaging tube magnetosensitive on-off element 5, be evenly equipped with the float magnetosensitive on-off element 3 that matches with magnet 2 on the water gaging tube 1 at the opposite side of this float 6, specifically can adopt tongue tube or magnetodiode, the same on-off action that rises, the spacing of float magnetosensitive on-off element 3 has determined the precision of measuring, as shown in Figure 1, for reaching certain measuring accuracy, the spacing of float magnetosensitive on-off element 3 is less, may have the situation of a plurality of float magnetosensitive on-off element 3 conductings simultaneously during measurement.
Water level detection circuit comprises the water level intelligent checking system, and respectively with the water gaging tube water level detection circuit and the float water level detection circuit of this electric UNICOM of water level intelligent checking system, its middle water level intelligent checking system can adopt ultra low-power microcontroller.
As shown in Figure 2, water gaging tube water level detection circuit comprises an A/D converter and a resistor network that is made of some substitutional resistances that are cascaded, this resistor network is connected between power Vcc and the ground, water gaging tube magnetosensitive on-off element 5 in the resistor network on the mid point of per two adjacent resistors difference throughput water drum 1 and the electric UNICOM of same input end of this A/D converter, because the water gaging tube magnetosensitive on-off element of selecting for use 5 is often opened, therefore have only 5 conductings of a water gaging tube magnetosensitive on-off element under the normal condition, the A/D converter input end obtains corresponding level signal when these water gaging tube magnetosensitive on-off element 5 conductings, finish the conversion to electric signal of water level value, the output of A/D converter send the water level intelligent checking system so that data are for further processing.
As shown in Figure 2, the float water level detection circuit comprises the float microsystem and arranges the nonencoded keyboard that constitutes with matrix-style by the float magnetosensitive on-off element 3 on the float 6, adopt the nonencoded keyboard mode can handle the situation of a plurality of float magnetosensitive on-off element 3 conductings simultaneously, this nonencoded keyboard is by corresponding keyboard interface circuit and the electric UNICOM of float microsystem, can when 3 conductings of float magnetosensitive on-off element, export the respective switch signal to the float microsystem with keyboard mode, this float microsystem adopts ultra low-power microcontroller, and float microsystem and water level intelligent checking system are with the serial mode communication.
As shown in Figure 2, described water level intelligent checking system can be by the external liquid crystal digital display of I/O port to show water level information, external IC-card interface is to use IC-card, external extended memory is with Backup Data, the external connection keyboard interface is with input data and steering order, external standard RS485 network interface with upper machine communication.
When certain water level, float 6 is in a certain position in the water gaging tube 1, water gaging tube magnetosensitive on-off element 5 conductings on the water gaging tube 1, water gaging tube water level detection circuit output corresponding signal is to the water level intelligent checking system, calculate this water gaging tube magnetosensitive on-off element 5 to water-bed distance H, float magnetosensitive on-off element 3 conductings on the float 6 simultaneously, the float water level detection circuit is also exported corresponding signal to the water level intelligent checking system, calculate this float magnetosensitive on-off element 3 on the float 6 to the distance h of surface level, the water level intelligent checking system can obtain water level value S by computing formula S=H-h.
Claims (6)
1, a kind of intelligent float type level meter comprises the water gaging tube (1) of a hollow, and there is hold-down support (4) water gaging tube (1) below, is provided with float (6) and water level detection circuit in the water gaging tube (1), it is characterized in that:
One side of described water gaging tube (1) axially is evenly equipped with some water gaging tube magnetosensitive on-off elements (5) along it, equally highly locates the corresponding some magnets (2) that are evenly equipped with at the opposite side of this water gaging tube (1);
One side of described float (6) is provided with a bar magnet (7) that matches with water gaging tube magnetosensitive on-off element (5) on the water gaging tube (1), is evenly equipped with the float magnetosensitive on-off element (3) that matches with magnet (2) on the water gaging tube (1) at the opposite side of this float (6);
Water gaging tube magnetosensitive on-off element (5) and float magnetosensitive on-off element (3) respectively with the electric UNICOM of water level detection circuit.
2, intelligent float type level meter as claimed in claim 1 is characterized in that:
Described water level detection circuit comprises the water level intelligent checking system, and respectively with the water gaging tube water level detection circuit and the float water level detection circuit of this electric UNICOM of water level intelligent checking system;
Water gaging tube water level detection circuit comprises an A/D converter and a resistor network that is made of the some substitutional resistances that are connected between power Vcc and the ground, water gaging tube magnetosensitive on-off element (5) in this resistor network on the mid point of per two adjacent resistors difference throughput water drum (1) and the electric UNICOM of same input end of A/D converter, make the A/D converter input end corresponding level signal occur when different water gaging tube magnetosensitive on-off elements (5) conducting, the output terminal of this A/D converter inserts the water level intelligent checking system;
The float water level detection circuit comprises by the float magnetosensitive on-off element (3) on the float (6) arranges nonencoded keyboard and the float microsystem that constitutes by matrix-style, this nonencoded keyboard is by corresponding keyboard interface circuit and the electric UNICOM of float microsystem, to its output respective switch signal, float microsystem and water level intelligent checking system are with the serial mode communication when float magnetosensitive on-off element (3) conducting.
3, intelligent float type level meter as claimed in claim 2 is characterized in that:
Above-mentioned float microsystem and water level intelligent checking system are ultra low-power microcontroller.
4, intelligent float type level meter as claimed in claim 3 is characterized in that:
Described water level intelligent checking system is equipped with liquid crystal digital display or IC-card interface or extended memory or keyboard interface or standard RS485 network interface.
5, intelligent float type level meter as claimed in claim 3 is characterized in that:
Described water level intelligent checking system is equipped with liquid crystal digital display and IC-card interface and extended memory and keyboard interface and standard RS485 network interface.
6, as any described intelligent float type level meter in the claim 1 to 5, it is characterized in that: described water gaging tube magnetosensitive on-off element (5) and float magnetosensitive on-off element (3) are tongue tube or magnetodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050360 CN2702284Y (en) | 2004-04-29 | 2004-04-29 | Intelligent bob type water level meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420050360 CN2702284Y (en) | 2004-04-29 | 2004-04-29 | Intelligent bob type water level meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2702284Y true CN2702284Y (en) | 2005-05-25 |
Family
ID=34776867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420050360 Expired - Fee Related CN2702284Y (en) | 2004-04-29 | 2004-04-29 | Intelligent bob type water level meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2702284Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278209A (en) * | 2013-06-08 | 2013-09-04 | 山西电力职业技术学院 | Method for automatic detection and tracking of water level |
| CN105466528A (en) * | 2015-12-29 | 2016-04-06 | 合肥蓝海电子科技有限公司 | Liquid level sensor of code switch |
| CN106441514A (en) * | 2016-10-26 | 2017-02-22 | 海信（广东）空调有限公司 | Water level monitoring device for dehumidifier and dehumidifier |
| GB2595526A (en) * | 2020-05-31 | 2021-12-01 | Damian Munafo Tamir | Apparatus and method of monitoring the level of a liquid medium in a container |
-
2004
- 2004-04-29 CN CN 200420050360 patent/CN2702284Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278209A (en) * | 2013-06-08 | 2013-09-04 | 山西电力职业技术学院 | Method for automatic detection and tracking of water level |
| CN103278209B (en) * | 2013-06-08 | 2015-08-12 | 山西电力职业技术学院 | A kind of method of automatic detecting and tracking water level |
| CN105466528A (en) * | 2015-12-29 | 2016-04-06 | 合肥蓝海电子科技有限公司 | Liquid level sensor of code switch |
| CN106441514A (en) * | 2016-10-26 | 2017-02-22 | 海信（广东）空调有限公司 | Water level monitoring device for dehumidifier and dehumidifier |
| GB2595526A (en) * | 2020-05-31 | 2021-12-01 | Damian Munafo Tamir | Apparatus and method of monitoring the level of a liquid medium in a container |
| GB2595526B (en) * | 2020-05-31 | 2023-06-07 | Damian Munafo Tamir | Apparatus and method of monitoring the level of a liquid medium in a container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |