CN201812211U - Liquid level control device for transistor - Google Patents
Liquid level control device for transistor Download PDFInfo
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- CN201812211U CN201812211U CN2010205243505U CN201020524350U CN201812211U CN 201812211 U CN201812211 U CN 201812211U CN 2010205243505 U CN2010205243505 U CN 2010205243505U CN 201020524350 U CN201020524350 U CN 201020524350U CN 201812211 U CN201812211 U CN 201812211U
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- fluid level
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Abstract
The utility model relates to a liquid level control device for a transistor, which comprises a motor, a power supply switch and a three-phase power supply, wherein the power supply switch is connected with the three-phase power supply, three-phase power lines L2 and L3 are respectively connected with a fuse tube, the fuse tube FU1 is sequentially connected with a button TA, a button HA, a pin 1 and a pin 2 of a conversion switch, and a switch K1; the button TA is also sequentially connected with a contactor KM2, a pin 3 and a pin 4 of the conversion switch, and the switch K1; the button TA is also respectively connected with the switch K1 and a switch K2 by a switch K4; the fuse tube FU2 is connected with a switch K3 by a button RJ; two indicating lamps are connected between the button TA and the switch K3 in parallel; an intermediate relay and a main contactor which are connected in parallel are arranged between a connecting point between the switches K4 and K2 and the switch K3; and all terminals of the liquid level control device are respectively connected with the switches K1, K2 and K3 as well as three liquid level sensors.
Description
Technical field
The utility model belongs to liquid level control technology field, relates to a kind of transistorized fluid level control device that is used for.
Background technology
The tank level control system of practical application at present mainly comprises PIC single-chip microcomputer tank level control system, external-placed type supersonic liquid level control system, laser radar tank level control system, ball float (floating drum) tank level control system, electrically contacts tank level control system etc.It is big that these control system ubiquities technical difficulty, system complex, and the maintenance difficulty, cost is high, and a cover control device expense is about units up to ten thousand, is less compliant in some tank level control systems and uses.
Summary of the invention
The purpose of this utility model provides a kind of transistorized fluid level control device that is used for, and has solved there is system complex in the prior art problem of maintenance difficulty.
The technical scheme that the utility model adopted is, a kind ofly is used for transistorized fluid level control device, comprises motor, and motor is connected with three-phase supply by motor protector, motor contactor, power switch SA1; Three-phase power line L3 is connected with float switch, alarm bell successively by alarm bell switch S A2, and float switch is parallel with K switch 5;
Be connected with fuse tube FU2 and fuse tube FU1 on three-phase power line L2, the L3 respectively, fuse tube FU1 wherein is connected with pin 2, K switch 1 successively with the pin 1 of button TA and button HA, switch; Button TA also is connected with pin 4, K switch 1 successively with the pin 3 of contactor KM2, switch; Button TA also is connected respectively with K switch 1, K switch 2 by K switch 4; Fuse tube FU2 is connected with K switch 3 by button RJ, is parallel with power light HG and relay indicating light HR between button TA and K switch 3, is provided with auxiliary reclay in parallel and main contactor between the tie point of K switch 4 and K switch 2 and the K switch 3; K switch 1 is connected simultaneously with 1#, the 2# terminal of fluid level controller, and K switch 2 is connected with the 3# terminal of fluid level controller, and K switch 3 is connected with the 8# terminal of fluid level controller;
High, medium and low water level place in liquid cell respectively is provided with a liquid level sensor, and the electrode bar of these three liquid level sensors is connected with 5#, 6#, the 7# terminal of fluid level controller respectively.
Feature of the present utility model also is,
Power light HG wherein is provided with a contactor KM3, and relay indicating light HR is provided with a contactor KM4.
The beneficial effect of control device of the present utility model is, and is simple in structure, reliable operation, and maintenance is convenient, and cost is little, promotes easily.
Description of drawings
Fig. 1 is the structural representation of the utility model control device.
Among the figure, 1. power switch, 2. motor protector, 3. motor, 4. auxiliary reclay, 5. main contactor; 6. fluid level controller, 7. fuse tube, 8. switch, 9. pilot lamp, 10. button; 11. float switch, 12. alarm bells, 13. liquid cells, 14. alarm bell switches, 15. motor contactors.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, of the present utility modelly be used for transistorized fluid level control device, comprise motor 3, motor 3 is by motor protector 2, motor contactor 15, power switch 1(SA1) be connected with three-phase supply; Three-phase power line L3 is by alarm bell switch 14(SA2) with float switch 11, alarm bell 12(JL) be connected successively, float switch 11 is parallel with K switch 5; Be connected with fuse tube 7(FU2 and FU1 on three-phase power line L2, the L3 respectively), fuse tube FU1 comprises TA and HA by button 10(successively), (pin 1, the pin 2) of switch 8, K switch 1 be connected with 1#, the 2# terminal of fluid level controller 6; The TA of button 10 also is connected successively with (pin 3, pin 4), the K switch 1 of contactor KM2, switch 8; The TA of button 10 also is connected respectively with K switch 1, K switch 2 by K switch 4; Fuse tube FU2 is connected with K switch 3 by button RJ, between button TA and K switch 3, be parallel with two pilot lamp 9, HG and HR are respectively power light and relay indicating light, pilot lamp HG is provided with a contactor KM3, HR is provided with a contactor KM4, is provided with auxiliary reclay 4(ZJ in parallel between the tie point of K switch 4 and K switch 2 and the K switch 3) and main contactor 5(KM); K switch 1 is connected simultaneously with 1#, the 2# terminal of fluid level controller 6, and K switch 2 is connected with the 3# terminal of fluid level controller 6, and K switch 3 is connected with the 8# terminal of fluid level controller 6; High, medium and low water level place respectively is provided with liquid level sensor E1, E2, E3 in liquid cell 13, and the electrode bar of liquid level sensor E1, E2, E3 is connected with 5#, 6#, the 7# terminal of fluid level controller 6 respectively.
Control circuit in the utility model device, when controlling automatically, the contact 1 of switch 8 and contact 2 paths are communicated with and contact to the fuse tube 7 of button 10 arrives three-phase supply; When manually controlling; the contact 3 of switch 8 and contact 4 paths; connect with the KM normal opened contact and the button 10 of main contactor 5; the 8# terminal of fluid level controller 6 comprises in parallel HG, HR alarm lamp with the coil of main contactor 5 and the coil of auxiliary reclay 4 with pilot lamp 9(through the normally opened contact K3 of auxiliary reclay 4) is connected through the contact 3 of motor protector 2 and contact 4 to the FU2 of appearance short tube 7 to power supply.
The power supply 1 of motor protector 2 is connected with power lead L1, L3 respectively with 2, alarm bell switch S A2 control alarm bell ring current, and liquid level ball float 11 unusual reaching when cutting off the power supply are reported to the police.
In the above-mentioned parts, the model of power switch SA1 is selected DZ47 for use, and the model of motor protector 2 is selected JD-5B for use; the model of switch 8 is selected LW5D for use; the model of pilot lamp 9 is selected ND1-25/20 for use, and the model of button 10 is selected LA19-11A380V for use, and the model of alarm bell 12 is selected UC4 for use.
In the said structure, by power switch SA1, fuse tube FUl, fuse tube FU2, alarm switch S2 forms power circuit.By fluid level controller 6, auxiliary reclay 4, A.C. contactor 5, motor protector 2, pilot lamp 9, control knob 10 and manual conversion controling switch 8 are formed the Level Detection control circuit.Electrode bar is connected with fluid level controller, adjusts to supply water or close apart from the position of pond heights of roofs A, B, C according to range of control and liquid level and cuts off the water.The electrode of " liquid level sensor E1 " is liquid level reference mark on the pond, and water level rises to A point height water level, and water contacts with the probe (electrode) of liquid level sensor E1, and fluid level controller closes pump automatically, stops standpipe (pond) and supplies water.The electrode of " liquid level sensor E2 " is liquid level reference mark under the pond, and decline of water table is below B point height water level, and the probe (electrode) of water and liquid level sensor E2 breaks away from, the automatic turn on pump of fluid level controller, and standpipe (pond) supplies water.The electrode of " liquid level sensor E3 " is the pond ground wire, and the minimum point C that the probe of liquid level sensor E3 (electrode) is placed on the pond highly locates to contact with basin bottom.The above course of work is carried out again and again, and controlled liquid level is remained between high liquid level and the low liquid level, realizes automatic control of liquid level.
Probe is selected stainless steel or carbon film for use, according to the also optional dry-reed relay of liquid property.Lead between fluid level controller and the electrode is selected RVV6 * 1.5mm insulated cable line for use.
The fluid level controller of the utility model device contacts conducting liquid by electrode, become the serial connection liquid resistance from off-state between electrode, thereby form path and produce electric signal, make relay work through electric control circuit, last output switching signal, the motor drives pump work makes liquid level controlled.
Transistor fluid level control device of the present utility model, three electrodes by the transistor fluid level controller detect and control liquid level, be applicable to exchange 50Hz, rated operational voltage 380V and following control circuit are made automatic control of liquid, connect automatically on request or the branch deenergizing; And has a but defencive function such as phase, overload of outage, circuit water alarm and motor.Cost is little, about 2000 yuan, installs simply, and circuit is simple, reliable operation, and maintenance is convenient, and non-fault takes place, and is functional.
Claims (2)
1. one kind is used for transistorized fluid level control device, it is characterized in that: comprise motor (3), motor (3) is connected with three-phase supply by motor protector (2), motor contactor (15), power switch SA1; Three-phase power line L3 is connected with float switch (11), alarm bell (12) successively by alarm bell switch S A2, and float switch (11) is parallel with K switch 5;
Be connected with fuse tube FU2 and fuse tube FU1 on three-phase power line L2, the L3 respectively, fuse tube FU1 wherein is connected with pin 2, K switch 1 successively with the pin 1 of button TA and button HA, switch (8); Button TA also is connected with pin 4, K switch 1 successively with the pin 3 of contactor KM2, switch (8); Button TA also is connected respectively with K switch 1, K switch 2 by K switch 4; Fuse tube FU2 is connected with K switch 3 by button RJ, between button TA and K switch 3, be parallel with power light HG and relay indicating light HR, be provided with auxiliary reclay in parallel (4) and main contactor (5) between the tie point of K switch 4 and K switch 2 and the K switch 3;
K switch 1 is connected simultaneously with 1#, the 2# terminal of fluid level controller (6), and K switch 2 is connected with the 3# terminal of fluid level controller (6), and K switch 3 is connected with the 8# terminal of fluid level controller (6);
High, medium and low water level place in liquid cell (13) respectively is provided with a liquid level sensor, and the electrode bar of these three liquid level sensors is connected with 5#, 6#, the 7# terminal of fluid level controller (6) respectively.
2. fluid level control device according to claim 1 is characterized in that: described power light HG is provided with a contactor KM3, and relay indicating light HR is provided with a contactor KM4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205243505U CN201812211U (en) | 2010-09-10 | 2010-09-10 | Liquid level control device for transistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205243505U CN201812211U (en) | 2010-09-10 | 2010-09-10 | Liquid level control device for transistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201812211U true CN201812211U (en) | 2011-04-27 |
Family
ID=43895151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205243505U Expired - Fee Related CN201812211U (en) | 2010-09-10 | 2010-09-10 | Liquid level control device for transistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201812211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161266A (en) * | 2015-09-22 | 2015-12-16 | 刘伟 | Inductive reactance decreasing linear dynamic inductor, weak current equipment and ultrahigh-voltage power equipment |
| CN105185549A (en) * | 2015-09-22 | 2015-12-23 | 刘伟 | Gradient-type controllable inductor with retreat switch, electronic circuit and electric power system |
-
2010
- 2010-09-10 CN CN2010205243505U patent/CN201812211U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161266A (en) * | 2015-09-22 | 2015-12-16 | 刘伟 | Inductive reactance decreasing linear dynamic inductor, weak current equipment and ultrahigh-voltage power equipment |
| CN105185549A (en) * | 2015-09-22 | 2015-12-23 | 刘伟 | Gradient-type controllable inductor with retreat switch, electronic circuit and electric power system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20120910 |