CN204759219U - Automatic water supply system of float -type liquid level monitoring devices and water tank - Google Patents
Automatic water supply system of float -type liquid level monitoring devices and water tank Download PDFInfo
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- CN204759219U CN204759219U CN201520384025.6U CN201520384025U CN204759219U CN 204759219 U CN204759219 U CN 204759219U CN 201520384025 U CN201520384025 U CN 201520384025U CN 204759219 U CN204759219 U CN 204759219U
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- float
- level monitoring
- liquid level
- water supply
- monitoring device
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Abstract
The utility model discloses an automatic water supply system of float -type liquid level monitoring devices and water tank. The automatic water supply system of water tank includes water tank, water supply system and liquid level monitoring devices, and water supply system includes water tank delivery pipe and water supply control device. Liquid level monitoring devices includes float, installation base and control circuit, and control circuit includes microcontroller and the cantilever beam type elastomer force cell sensor that meets an emergency, and cantilever beam type elastomer is met an emergency force cell sensor and is included elasticity cantilever beam and the foil gage of subsides on the elasticity cantilever beam, the output termination microcontroller's of foil gage signal input part, the first end of elasticity cantilever beam is fixed on the installation base, and the second end is connected with the float. Liquid level monitoring devices's installation base is fixed on the upper portion of water tank, and the float arranges in the water tank that microcontroller's control signal exports termination water supply control device. The utility model discloses utilizing cantilever beam type elastomer to meet an emergency force cell sensor and float and coordinating and monitor the water level, the control precision is high.
Description
[technical field]
The utility model relates to liquid level monitoring, particularly relates to a kind of float type liquid level monitoring device and water tank automatic water supply system.
[background technology]
Liquid level monitoring is one of key measure of the production automation and security control, and real-time high-precision monitoring is most important.
Such as: 1. boiler liquid (water) position Inspect and control, liquid (water) position higher than with boiler operatiopn can be caused dangerous lower than threshold value; 2. oil tank liquid (oil) position Inspect and control, liquid (oil) position higher than with oil tank can be caused dangerous lower than threshold value and/or elevation rate shakiness.
Water tank automatic water supply system adopts float type liquid level sensor to control cistern water level usually; its float volume of traditional float type liquid level sensor is large; be unfavorable for being installed on miniaturization own; between its float and its center slide bar and/or outside protective pipe, friction force error is larger; more responsive to vibrations; the degree of accuracy causing cistern water level to control is lower, the problem that reliability is not high.
[summary of the invention]
The technical problems to be solved in the utility model is to provide the high float type liquid level monitoring device of a kind of monitoring accuracy.
The technical problems to be solved in the utility model is to provide the higher water tank automatic water supply system of a kind of water lev el control degree of accuracy.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of float type liquid level monitoring device, comprise float, mounting seat and control circuit, control circuit comprises microcontroller and cantilever beam type elastomer strain force cell, cantilever beam type elastomer strain force cell comprises elastic cantilever and is attached to the foil gauge on elastic cantilever, the signal input part of the output termination microcontroller of foil gauge; The first end of elastic cantilever is fixed in mounting seat, and the second end is connected with float.
Above-described float type liquid level monitoring device, described float is the hollow tubular of closed at both ends, and the axis vertical of hollow tubular is arranged.
Above-described float type liquid level monitoring device, comprises connecting link, and the upper end of connecting link is fixed on the second end of elastic cantilever, and lower end is connected with the upper end of float.
Above-described float type liquid level monitoring device, comprises elastic telescopic gum cover, and elastic cantilever is fixed on the top of mounting seat, and mounting seat comprises through hole, and connecting link is through above-mentioned through hole; Elastic telescopic gum cover is enclosed within outside connecting link, and the upper end of elastic telescopic gum cover is fixed on the outer of mounting seat through hole lower end, and lower end is fixed on the upper end of float.
Above-described float type liquid level monitoring device, control circuit comprises circuit board and three axial rake sensors, the output termination microcontroller of three axial rake sensors; Circuit board is fixed in mounting seat, and three axial rake sensors are fixing on circuit boards.
A kind of water tank automatic water supply system, comprise water tank, water system and level monitoring device, water system comprises cistern water supply pipe and water supply control apparatus.Level monitoring device is above-mentioned float type liquid level monitoring device, and the mounting seat of float type liquid level monitoring device is fixed on the top of water tank, and the float of float type liquid level monitoring device is arranged in water tank; The control signal of float type liquid level monitoring device microcontroller exports termination water supply control apparatus.
Above-described water tank automatic water supply system, water supply control apparatus comprises water pump and pump motor driving circuit, water delivery side of pump water receiving case feed pipe, entrance water receiving source; The control signal output terminal of the control termination float type liquid level monitoring device microcontroller of pump motor driving circuit, input termination power, output terminal water pump motor.
Above-described water tank automatic water supply system, water supply control apparatus comprises solenoid valve and driving circuit for electromagnetic valve, the outlet water receiving case feed pipe of solenoid valve, entrance water receiving source; The control signal output terminal of the control termination float type liquid level monitoring device microcontroller of driving circuit for electromagnetic valve, input termination power, exports termination solenoid valve.
The utility model utilizes cantilever beam type elastomer to strain force cell and float coordinates to come level monitoring, and monitoring precision is high.
[accompanying drawing explanation]
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is the structural representation of the utility model embodiment float type liquid level monitoring device.
Fig. 2 is the structural representation of the utility model embodiment water tank automatic water supply system.
Fig. 3 is the circuit block diagram of the utility model embodiment water tank automatic water supply system.
[embodiment]
The structure of the utility model embodiment water tank 1 automatic water supply system as shown in Figure 1 to Figure 3, comprises water tank 1, water system and float type liquid level monitoring device.Water system comprises cistern water supply pipe 10 and water supply control apparatus.
Float type liquid level monitoring device comprises float 2, mounting seat 3 and control circuit, and control circuit comprises microcontroller and cantilever beam type elastomer strain force cell 4.
The foil gauge 402 that cantilever beam type elastomer strain force cell 4 comprises elastic cantilever 401 and is attached on elastic cantilever 401, the signal input part of the output termination microcontroller of foil gauge 402.
Elastic cantilever 401 is fixed on the top of mounting seat 3, and the stiff end of elastic cantilever 401 is screwed in mounting seat 3, and cantilever end is connected with float 2 by connecting link 5.
Float 2 is hollow tubulars of closed at both ends, and the axis vertical of hollow float 2 is arranged.
As shown in Figure 1, the upper end of connecting link 5 is fixed on the cantilever end of elastic cantilever 401, and lower end is connected with the upper end of float 2.
Mounting seat 3 has a through hole 301, and connecting link 5 is through through hole 301.Elastic telescopic gum cover 6 is enclosed within outside connecting link 5, and the upper end of elastic telescopic gum cover 6 is fixed on the outer of mounting seat 3 through hole lower end, and lower end is fixed on the upper end of float 2.
Control circuit comprises the output termination microcontroller of circuit board 7 and three axial rake sensor 8, three axial rake sensors 8.Circuit board 7 is fixed in mounting seat 3, and three axial rake sensors 8 are fixed on circuit board 7.Three axial rake sensors 8 for compensating the setting angle deviation of level monitoring device so that level monitoring device obtains accurate waterlevel data.
As shown in Figure 1, the mounting seat 3 of float type liquid level monitoring device is fixed on the top of tank bracket 101, and the float 2 of tubular, hollow is deep in the water of water tank 1.
Water supply control apparatus comprises electric water pump 9 and pump motor driving circuit, and the outlet water receiving case feed pipe 10 of electric water pump 9, entrance connects water supply line 11.The control signal output terminal of the control termination float type liquid level monitoring device microcontroller of pump motor driving circuit, input termination power, the motor of output terminal water pump 9.
The above embodiment automatic water supply system of the utility model, when the water level in water tank 1 is normal, water pump 9 does not work, when the water level decreasing in water tank 1 is to lowest water level h, microcontroller sends signal to pump motor driving circuit, pump motor driving circuit is powered to pump motor, start pump working to draw water, when the water level in water tank 1 rises to peak level H, microcontroller sends signal to pump motor driving circuit again, pump motor driving circuit stops powering to pump motor, and water pump stops pumping.So far, automatic water-supply one-period completes, and next cycle is carried out in system wait.
If the water in water supply line 11 has enough pressure, can replace electric water pump 9 with solenoid valve, now, water supply control apparatus comprises solenoid valve and driving circuit for electromagnetic valve, and the outlet water receiving case feed pipe 10 of solenoid valve, entrance connects water supply line 11.The control signal output terminal of the control termination float type liquid level monitoring device microcontroller of driving circuit for electromagnetic valve, input termination power, exports termination solenoid valve.
The above embodiment of the utility model utilizes cantilever beam type elastomer to strain force cell and float coordinates to come level monitoring, and there is not the friction force between float and associated components, monitoring error is little, precision is high; Tubular, hollow float can be deep into the depths of water tank, and not only volume is little, and monitoring range is large.
Claims (8)
1. a float type liquid level monitoring device, comprise float, it is characterized in that, comprise mounting seat and control circuit, control circuit comprises microcontroller and cantilever beam type elastomer strain force cell, cantilever beam type elastomer strain force cell comprises elastic cantilever and is attached to the foil gauge on elastic cantilever, the signal input part of the output termination microcontroller of foil gauge; The first end of elastic cantilever is fixed in mounting seat, and the second end is connected with float.
2. float type liquid level monitoring device according to claim 1, is characterized in that, described float is the hollow tubular of closed at both ends, and the axis vertical of hollow tubular is arranged.
3. float type liquid level monitoring device according to claim 2, is characterized in that, comprise connecting link, and the upper end of connecting link is fixed on the second end of elastic cantilever, and lower end is connected with the upper end of float.
4. float type liquid level monitoring device according to claim 1, is characterized in that, comprises elastic telescopic gum cover, and elastic cantilever is fixed on the top of mounting seat, and mounting seat comprises through hole, and connecting link is through above-mentioned through hole; Elastic telescopic gum cover is enclosed within outside connecting link, and the upper end of elastic telescopic gum cover is fixed on the outer of mounting seat through hole lower end, and lower end is fixed on the upper end of float.
5. float type liquid level monitoring device according to claim 1, is characterized in that, control circuit comprises circuit board and three axial rake sensors, the output termination microcontroller of three axial rake sensors; Circuit board is fixed in mounting seat, and three axial rake sensors are fixing on circuit boards.
6. a water tank automatic water supply system, comprise water tank, water system and level monitoring device, water system comprises cistern water supply pipe and water supply control apparatus, it is characterized in that, level monitoring device is float type liquid level monitoring device according to claim 1, the mounting seat of float type liquid level monitoring device is fixed on the top of water tank, and the float of float type liquid level monitoring device is arranged in water tank; The control signal of float type liquid level monitoring device microcontroller exports termination water supply control apparatus.
7. water tank automatic water supply system according to claim 6, is characterized in that, water supply control apparatus comprises water pump and pump motor driving circuit, water delivery side of pump water receiving case feed pipe, entrance water receiving source; The control signal output terminal of the control termination float type liquid level monitoring device microcontroller of pump motor driving circuit, input termination power, output terminal water pump motor.
8. water tank automatic water supply system according to claim 6, it is characterized in that, water supply control apparatus comprises solenoid valve and driving circuit for electromagnetic valve, the outlet water receiving case feed pipe of solenoid valve, entrance water receiving source; The control signal output terminal of the control termination float type liquid level monitoring device microcontroller of driving circuit for electromagnetic valve, input termination power, exports termination solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520384025.6U CN204759219U (en) | 2015-06-04 | 2015-06-04 | Automatic water supply system of float -type liquid level monitoring devices and water tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520384025.6U CN204759219U (en) | 2015-06-04 | 2015-06-04 | Automatic water supply system of float -type liquid level monitoring devices and water tank |
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| Publication Number | Publication Date |
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| CN204759219U true CN204759219U (en) | 2015-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520384025.6U Expired - Fee Related CN204759219U (en) | 2015-06-04 | 2015-06-04 | Automatic water supply system of float -type liquid level monitoring devices and water tank |
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| CN (1) | CN204759219U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105678966A (en) * | 2016-03-01 | 2016-06-15 | 张晓华 | Integrated monitoring and early warning system for geological mountain torrent disaster and realization method thereof |
| CN106125780A (en) * | 2016-08-17 | 2016-11-16 | 苏州沃达园林机械有限公司 | The built-in electric apparatus for controlling water level of immersible pump |
| CN110456848A (en) * | 2019-08-30 | 2019-11-15 | 南京信息工程大学 | A kind of portable humidity generator and detecting and controlling system |
-
2015
- 2015-06-04 CN CN201520384025.6U patent/CN204759219U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105678966A (en) * | 2016-03-01 | 2016-06-15 | 张晓华 | Integrated monitoring and early warning system for geological mountain torrent disaster and realization method thereof |
| CN106125780A (en) * | 2016-08-17 | 2016-11-16 | 苏州沃达园林机械有限公司 | The built-in electric apparatus for controlling water level of immersible pump |
| CN110456848A (en) * | 2019-08-30 | 2019-11-15 | 南京信息工程大学 | A kind of portable humidity generator and detecting and controlling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151111 Termination date: 20180604 |
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| CF01 | Termination of patent right due to non-payment of annual fee |