CN2548129Y - Liquid-level indicating controller - Google Patents
Liquid-level indicating controller Download PDFInfo
- Publication number
- CN2548129Y CN2548129Y CN 02265151 CN02265151U CN2548129Y CN 2548129 Y CN2548129 Y CN 2548129Y CN 02265151 CN02265151 CN 02265151 CN 02265151 U CN02265151 U CN 02265151U CN 2548129 Y CN2548129 Y CN 2548129Y
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- China
- Prior art keywords
- liquid level
- level indicating
- control
- circuit
- extreme position
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- Expired - Fee Related
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- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Level Indicators Using A Float (AREA)
Abstract
The utility model relates to a liquid level indication controller, which is used for the liquid level display and control, including a plurality of liquid level measurement probes, wherein the distances of two liquid level measurement probes are corresponding to the depth of the vessel. The utility model is characterized by also including a liquid level indication unit, a liquid level control unit; the liquid level indication unit is provided with a plurality of output ends which are electronically connected with all the liquid level measurement probes, a plurality of corresponding input ends are electronically connected with the power; the liquid level control unit is provided with two input ends which are electronically connected with the two liquid level measurement probes corresponding to the depth of the water box; the bottom of the vessel is also provided with a conductive end connected with the power supply ends of the liquid level indication unit and the ultimate liquid level control unit. The utility model is less in cost, convenient in using.
Description
Technical field
The utility model relates to a kind of liquid level indicating control.
Background technology
Common high water tank controller all adopts the tongue tube material of float-ball type; cost is lower; supply water undesired or water tank spilling water and can not normally control water pump but cause easily; because ball float is owing to reasons such as water pollution or ball float, club foulings; and lose sensitivity, and that the working current of tongue tube does not allow is excessive, as overcurrent work on a contact for a long time; bad because of the contact contact easily, or many reasons of breaker points not opening cause fault.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of liquid level indicating control, and it can control and indicate the height of liquid level effectively, under the situation of undesired or water tank spilling water that supplies water, can normally control water pump.
The technical solution of the utility model is: a kind of liquid level indicating control is provided, its liquid level that is used for container shows and control, comprise some level measurement probes, two extreme positions of two pairing liquid levels of level measurement probe corresponding to container are wherein arranged, characteristics are, also comprise a liquid level indicating member, a limit liquid level control module;
Described liquid level indicating member has several input ends, and it becomes circuit to be connected with described each level measurement probe;
Described limit liquid level control unit circuit has 2 input ends, and it becomes circuit to be connected with these two level measurement probes corresponding to the water tank extreme position respectively;
Described container bottom also is provided with a conducting end that is connected with the feeder ear of described liquid level indicating member, limit liquid level control module.
Described liquid level indicating member comprises several light emitting diodes of a two-way analog switching ic and series connection with it; The number of said several light emitting diodes is corresponding to the number of said level measurement probe;
Described limit liquid level control module comprises a basic circuit chip and a switch triode of series connection for the moment with it; Also comprise a light emitting diode of connecting with it; Collector one end of described triode also connects a relay, and the water pump of this relay and described water tank becomes circuit to be connected; The extreme position of described water tank comprises a lack of water extreme position and a spilling water extreme position; When liquid level is positioned at described lack of water extreme position, the contact adhesive of relay.When liquid level is positioned at described spilling water extreme position, the contact of relay disconnects.
Effect of the present utility model is:
1. applicability is wide: because of its structure and material to probe does not have any restriction, so, be suitable for all kinds of acid, alkali, hot and cold occasion;
2. safe and reliable, the operating voltage of this fluid level gauge is direct current 6V～9V, and safety coefficient is higher;
3. cost is lower;
4. the user can change the length of probe at any time, is suitable for the measurement of various different liquid levels;
5. can be applied to liquid level test simultaneously as medium other similar applications of fuel tank.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model;
Embodiment
Below with reference to the accompanying drawings, a preferred embodiment of the present utility model is described.
As shown in Figure 1, in the liquid level indicating control that the utility model provides, comprise 4 level measurement probe A, B, C, D, wherein the height of A, D probe corresponds respectively to the height of the not enough and water tank spilling water of cistern water level, also comprise a liquid level indicating member 1, one liquid level control module 2; Four input ends of liquid level indicating member 1 are connected with probe A, B, C, D circuit respectively, and the input end of liquid level control module 2 is connected with probe A, D circuit respectively.
In liquid level display unit 1, comprise a two-way analog switching ic, in the utility model, be CD4066, it comprises 4 bidirectional analog switches 11,12,13,14, these 4 bidirectional analog switches light emitting diode 15 that is connected in series respectively, 16,17,18, to show probe A, B, C, the pairing liquid level of D, since 0 of the lowest order of water tank directly and the positive pole of power supply join, when water level touched the A point, medium that water can be used as conduction was order A, thereby the control end a of bidirectional analog switch 11 is got, make 11 conductings, light emitting diode 15 has electric current to pass through and is luminous, shows that with this water level has arrived the A point.The course of work of B, C, D also is that so 16,17,18 can show respectively that water level has arrived B point or C point or D point.
In liquid level control module 2, comprise basic circuit chip 21 for the moment, in the present embodiment, it is a NE555 integrated circuit, the pin 211 of this time base circuit integrated package 21 and pin 212 respectively with the probe A of limit point of indication high water tank, probe D circuit connects, the pin 213 of this time base circuit integrated package 21 be connected in series a light emitting diode 22 and a switch triode 23, collector terminal at switching diode 23, also connect a relay 24, the water pump (not shown in the diagram) of this relay 24 and water tank becomes circuit to be connected, when water level was lower than the A point, the pin 211 of time base circuit integrated package 21 and pin 212 be dead electricity simultaneously, and its pin 213 has output, thereby make light emitting diode 22 and switch triode 23 conductings, relay 24 adhesives start the water pump feed-tank and supply water, and prevent that water level is low excessively thereby reach.
When water level is higher than the D point, the pin 211 of time base circuit integrated package 21 and pin 212 simultaneously electric, its pin 213 no-outputs, light emitting diode 22 and switch triode 23 end, relay 24 discharges, water pump quits work, thereby prevents the water tank spilling water.
The foregoing description is only in order to a better embodiment of the present utility model to be described, according to principle of the present utility model, the utility model also can be used for the indication and the control of other occasion liquid levels.
Claims (10)
1. liquid level indicating control, it is used for the demonstration and the control of the liquid level of container, comprise some level measurement probes, two extreme positions of two pairing liquid levels of level measurement probe corresponding to container are wherein arranged, it is characterized in that, also comprise a liquid level indicating member, a limit liquid level control module;
Described liquid level indicating member has several input ends, and it is by described each level gauging
Probe is surveyed liquid level and is become circuit to be connected with each;
Described limit liquid level control unit circuit has 2 input ends, and it becomes circuit to be connected with these two level measurement probes corresponding to the container extreme position respectively;
Described container bottom also is provided with a conducting end that is connected with the feeder ear of described liquid level indicating member, limit liquid level control module.
2. liquid level indicating control as claimed in claim 1 is characterized in that, described liquid level indicating member comprises several light emitting diodes of a two-way analog switching ic and series connection with it.
3. liquid level indicating control as claimed in claim 1 is characterized in that, described limit liquid level control module comprises a basic circuit chip and an on-off circuit of series connection for the moment with it.
4. liquid level indicating control as claimed in claim 1 is characterized in that, the extreme position of described container comprises a lack of water extreme position and a spilling water extreme position.
5. liquid level indicating control as claimed in claim 3 is characterized in that, also comprises a light emitting diode of connecting with described switch triode.
6. liquid level indicating control as claimed in claim 3 is characterized in that, collector one end of described triode also connects a relay, and the water pump of this relay and described container becomes circuit to be connected.
7. as claim 4 or 6 described liquid level indicating controls, it is characterized in that, when liquid level is positioned at described lack of water extreme position, the contact adhesive of relay.
8. as claim 4 or 6 described liquid level indicating controls, it is characterized in that when liquid level is positioned at described spilling water extreme position, the contact of relay disconnects.
9. liquid level indicating control as claimed in claim 2 is characterized in that the number of said light emitting diode is corresponding to the number of said level measurement probe.
10. liquid level indicating control as claimed in claim 3 is characterized in that, described on-off circuit is a switch triode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265151 CN2548129Y (en) | 2002-06-28 | 2002-06-28 | Liquid-level indicating controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02265151 CN2548129Y (en) | 2002-06-28 | 2002-06-28 | Liquid-level indicating controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2548129Y true CN2548129Y (en) | 2003-04-30 |
Family
ID=33731227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02265151 Expired - Fee Related CN2548129Y (en) | 2002-06-28 | 2002-06-28 | Liquid-level indicating controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2548129Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108733093A (en) * | 2018-08-31 | 2018-11-02 | 四川合电气科技有限公司 | A kind of automatic water replenishing system of arc furnace cover |
| CN108932002A (en) * | 2018-08-31 | 2018-12-04 | 四川合电气科技有限公司 | A kind of automatic control system preparing arc furnace cover |
-
2002
- 2002-06-28 CN CN 02265151 patent/CN2548129Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108733093A (en) * | 2018-08-31 | 2018-11-02 | 四川合电气科技有限公司 | A kind of automatic water replenishing system of arc furnace cover |
| CN108932002A (en) * | 2018-08-31 | 2018-12-04 | 四川合电气科技有限公司 | A kind of automatic control system preparing arc furnace cover |
| CN108932002B (en) * | 2018-08-31 | 2024-03-22 | 四川合一电气科技有限公司 | Automatic control system for preparing furnace cover of electric arc furnace |
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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 |