CN204860425U - Floater formula negative pressure feedwater controlling means - Google Patents
Floater formula negative pressure feedwater controlling means Download PDFInfo
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- CN204860425U CN204860425U CN201520625583.7U CN201520625583U CN204860425U CN 204860425 U CN204860425 U CN 204860425U CN 201520625583 U CN201520625583 U CN 201520625583U CN 204860425 U CN204860425 U CN 204860425U
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- negative pressure
- water
- pipe
- detection
- mutual exclusion
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Abstract
The utility model relates to a floater formula negative pressure feedwater controlling means is divided by negative pressure water supply equipment, controller, negative pressure detecting tube and the mutual exclusion solenoid valve four bibliographic categories and forms: negative pressure water supply equipment include malleation water tank and negative pressure water tank, the negative pressure water tank in be provided with the ball -cock assembly, the inlet tube of ball -cock assembly is linked together through water source delivery pipe and malleation water tank, the mutual exclusion solenoid valve install in the side of negative pressure water tank, the normal close inlet opening of mutual exclusion solenoid valve is linked together through pipeline and inlet tube, the inlet opening of normally opening of mutual exclusion solenoid valve is linked together with the negative pressure water tank, the apopore and the negative pressure pulse sharing water pipe of mutual exclusion solenoid valve are linked together, negative pressure pulse sharing water pipe is connected with negative pressure water supply system, is provided with the negative pressure detecting tube on the negative pressure pulse shares the water pipe. The utility model discloses a floater formula negative pressure feedwater controlling means has functions such as the negative pressure of formation, negative pressure feedwater, detection negative pressure, recovering negative pressure, simple structure, convenient operation.
Description
Technical field
The utility model relates to a kind of negative pressure water supplier, is specifically related to a kind of float-ball type negative pressure water supply control device.
Background technology
Along with the day of worldwide water resource, the energy is becoming tight; employing water saving, energy-conservation irrigation method have become the general trend of whole world irrigation technique development, and it is alleviate water resources crisis and the inevitable choice realizing agricultural modernization that popularization water-saving irrigation has also become countries in the world.Negative pressure water supply technology is a kind of novel efficient water-saving irrigation technology, its principle is the difference utilizing mechanical motion between crop and environment aqueous vapor and the plant physiology flow of water and soil water potential, moisture is moved to low potential barrier by high gesture, draws moisture in water feeder and inhale utilization for crop.It is advantageous that structure is simple, with low cost, can realize automatically, precisely, efficiently meet crop water requirement, this provides feasible direction to precision agriculture development to the agricultural of China's capital weakness.
As Authorization Notice No. CN203243779U, denomination of invention: negative pressure water supply air pressure adjusting type automatic control system, comprise negative-pressure water supply pipe and negative pressure water supply case, the top and bottom of breather pipe are placed in the ullage of pressure water tank and between the ventilation hole of negative pressure water supply case and top board respectively, the inlet opening of water supply electromagnetic valve is communicated with water source with pressure water tank respectively, its apopore respectively forbay is communicated with negative pressure water supply case, the inlet opening of negative pressure water supply magnetic valve is communicated with negative pressure water supply case with pressure water tank respectively, and its apopore is communicated with negative-pressure water supply pipe.The input of controller is connected with the water level contact in pressure water tank and negative-pressure water supply pipe respectively, and its output is connected with the electromagnetic core coil of water supply electromagnetic valve and negative pressure water supply magnetic valve respectively, can reply negative pressure timely fast.But there is complex structure, especially negative pressure water supply case adopts the mode of water pump directly to add water, the pressure oscillation in process that adds water of negative pressure water supply case can be caused so large, can the stability of the obvious whole negative pressure water service system of impact.
Utility model content
The utility model provides a kind of float-ball type negative pressure water supply control device, solves existing negative pressure water service system water inlet process and causes that system pressure changes greatly, the problem of the poor stability of whole negative pressure water service system.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of float-ball type negative pressure water supply control device, is made up of negative pressure water supply device, controller, detection of negative pressure pipe and mutual exclusion magnetic valve four part:
Described negative pressure water supply device comprises malleation water tank and negative pressure water tank, is provided with ball-cock assembly in described negative pressure water tank, and the water inlet pipe of ball-cock assembly is connected with malleation water tank by water source feed pipe;
Described mutual exclusion magnetic valve is arranged on the side of negative pressure water tank, the normally closed inlet opening of mutual exclusion magnetic valve is connected with water inlet pipe by pipeline, the water hole of often driving into of mutual exclusion magnetic valve is connected with negative pressure water tank, apopore and the underbalance pulse of mutual exclusion magnetic valve share water pipe and are connected, underbalance pulse shares water pipe and is connected with negative pressure water supply system, share on water pipe at underbalance pulse and be provided with detection of negative pressure pipe, detection of negative pressure pipe is U-tube, one end and the underbalance pulse of detection of negative pressure pipe share water pipe and are connected, the height of the other end of detection of negative pressure pipe is more than or equal to the height of malleation water tank,
Described controller comprises control casing, level relay is provided with in control casing, solenoid relay valve and sky are opened, solenoid relay valve is connected with mutual exclusion magnetic valve by Electromagnetic Valve Circuit line, share the water pipe place of being connected at detection of negative pressure pipe and underbalance pulse and be provided with detection of negative pressure contact, detection of negative pressure contact is connected with detector tube pulse middle water level holding wire, the lowermost end of detection of negative pressure pipe is provided with detection of negative pressure contact, detection of negative pressure contact is connected with detector tube pulse low water level holding wire, the most significant end of detection of negative pressure pipe is provided with detection of negative pressure contact, detection of negative pressure contact is connected with detector tube pulse high water level holding wire, detector tube pulse middle water level holding wire, detector tube pulse low water level holding wire is connected with level relay with detector tube pulse high water level holding wire.
Further, a kind of preferred version of the present utility model: described ball-cock assembly comprises water inlet pipe, floating drum and buoyancy transmission and water inlet sealing system.
Further, a kind of preferred version of the present utility model: what the right side of the magnetic valve lower housing portion of described mutual exclusion magnetic valve had two to parallel often drives water hole and normally closed inlet opening into, often drive water hole into be communicated with water cavity respectively with the inner port of normally closed inlet opening, there is an apopore in the left side of magnetic valve lower housing portion, the inner port of apopore is communicated with water cavity, the upper end of water cavity is provided with two vertical chambeies paralleled, normally open valve magnetic core and normally close valve magnetic core are placed in above-mentioned two vertical chambeies respectively, stage clip is provided with between the upper surface of normally closed magnetic core and the upper surface in vertical chamber, the minor diameter cylinder often opening magnetic core bottom is arranged with stage clip, the lower end of described minor diameter cylinder is provided with rubber closure, the lower end of normally closed magnetic core is provided with rubber closure, two rubber closures are relative with the ring surface of the inner port of Chang Kaishui hole and normally closed inlet opening respectively, be provided with coil often opening the bottom outside the vertical cavity at magnetic core place, top outside another vertical cavity of normally closed magnetic core is provided with coil, two coils are connected with power supply respectively, circuit between coil and power supply is respectively provided with a switch.
The beneficial effects of the utility model:
Float-ball type negative pressure water supply control device of the present utility model has functions such as forming negative pressure, negative pressure water supply, detection negative pressure state, recovery negative pressure, and structure is simple, easy to operate.
Float-ball type negative pressure water supply control device of the present utility model adopts the mode of malleation water tank, negative pressure water tank and ball-cock assembly to carry out the moisturizing of negative pressure system, and moisturizing process slowly, steadily, can not cause large pressure change, the good stability of whole negative pressure water service system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is that float-ball type negative pressure water supply control device of the present utility model obtains structural representation.
In figure, 1 is malleation water tank, 2 is negative pressure water tank, 3 is normally closed inlet opening, 4 is water source feed pipe, 5 is water inlet pipe, 6 is floating drum, 7 is buoyancy transmission and water inlet sealing system, 8 for often to drive water hole into, 9 share water pipe for underbalance pulse, 10 is detection of negative pressure pipe, 11 is detection of negative pressure contact, 12 is mutual exclusion magnetic valve, 13 for controlling casing, 14 is level relay, 15 is solenoid relay valve, 16 open for sky, 17 is Electromagnetic Valve Circuit line, 18 is detector tube pulse low water level holding wire, 19 is detector tube pulse high water level holding wire, 20 is detector tube pulse middle water level holding wire.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of float-ball type negative pressure water supply control device, is made up of negative pressure water supply device, controller, detection of negative pressure pipe 10 and mutual exclusion magnetic valve 12 4 part:
Negative pressure water supply device comprises malleation water tank 1 and negative pressure water tank 2, is provided with ball-cock assembly in described negative pressure water tank 2, and the water inlet pipe 5 of ball-cock assembly is connected with malleation water tank 1 by water source feed pipe 4;
Mutual exclusion magnetic valve 12 is arranged on the side of negative pressure water tank 2, the normally closed inlet opening 3 of mutual exclusion magnetic valve 12 is connected with water inlet pipe 5 by pipeline, the water hole 8 of often driving into of mutual exclusion magnetic valve 12 is connected with negative pressure water tank 2, apopore and the underbalance pulse of mutual exclusion magnetic valve 12 share water pipe 9 and are connected, underbalance pulse shares water pipe 9 and is connected with negative pressure water supply system, share on water pipe 9 at underbalance pulse and be provided with detection of negative pressure pipe 10, detection of negative pressure pipe 10 is U-tube, one end and the underbalance pulse of detection of negative pressure pipe 10 share water pipe 9 and are connected, the height of the other end of detection of negative pressure pipe 10 is more than or equal to the height of malleation water tank 1,
Controller comprises control casing 13, level relay 14 is provided with in control casing 13, solenoid relay valve 15 and sky open 16, solenoid relay valve 15 is connected with mutual exclusion magnetic valve 12 by Electromagnetic Valve Circuit line 17, share water pipe 9 place of being connected at detection of negative pressure pipe 10 and underbalance pulse and be provided with detection of negative pressure contact 11, detection of negative pressure contact 11 is connected with detector tube pulse middle water level holding wire 20, the lowermost end of detection of negative pressure pipe 10 is provided with detection of negative pressure contact 11, detection of negative pressure contact 11 is connected with detector tube pulse low water level holding wire 18, the most significant end of detection of negative pressure pipe 10 is provided with detection of negative pressure contact 11, detection of negative pressure contact 11 is connected with detector tube pulse high water level holding wire 19, detector tube pulse middle water level holding wire 20, detector tube pulse low water level holding wire 18 is connected with level relay 14 with detector tube pulse high water level holding wire 19.
Ball-cock assembly comprises water inlet pipe 5, floating drum 6 and buoyancy transmission and water inlet sealing system 7.
Running of the present utility model:
First according to annexation, float-ball type negative pressure water supply control device is installed, by malleation water tank 1 topped up with water, current enter negative pressure water tank 2 through water source feed pipe 4 and water inlet pipe 5, when water level floats floating drum 6, when arriving designated water level, by the water inlet pipe 5 of buoyancy transmission with water inlet sealing system 7 closed float valve.When after control cabinet energising, the normally closed inlet opening 3 of mutual exclusion magnetic valve 12 is opened, often drive water hole 8 into close, water flows to underbalance pulse by the apopore of mutual exclusion magnetic valve 12 and shares water pipe 9, to negative pressure water supply system for pressure water, when water level arrives the detection of negative pressure contact 11 from high point of detection of negative pressure pipe 10, detection of negative pressure contact 11 transmitted pulse signal, control cabinet middle water level relay 14 cuts out mutual exclusion magnetic valve 12, now the normally closed inlet opening 3 of mutual exclusion magnetic valve is closed, often drive water hole 8 into open, water is supplied water to negative pressure water supply system by the apopore of mutual exclusion magnetic valve 12.
When the water water level in negative pressure water tank 2 is too low time, pressure water in malleation water tank 1 enters negative pressure water tank 2 by ball-cock assembly, and in moisturizing process, sluggish flow is steady, can not cause the fluctuation that negative pressure system pressure is large, and then assembly negative pressure system pressure transient, affect water supply effect.
Another embodiment of the present utility model: mutual exclusion magnetic valve 12 concrete structure is consistent with the structure of mutual exclusion magnetic valve 12 in CN203243779U, what have two to parallel on the right side of magnetic valve lower housing portion often drives water hole 8 and normally closed inlet opening 3 into, often drive water hole 8 into be communicated with water cavity respectively with the inner port of normally closed inlet opening 3, there is an apopore in the left side of magnetic valve lower housing portion, the inner port of apopore is communicated with water cavity, the upper end of water cavity is provided with two vertical chambeies paralleled, normally open valve magnetic core and normally close valve magnetic core are placed in above-mentioned two vertical chambeies respectively, stage clip is provided with between the upper surface of normally closed magnetic core and the upper surface in vertical chamber, the minor diameter cylinder often opening magnetic core bottom is arranged with stage clip, the lower end of described minor diameter cylinder is provided with rubber closure, the lower end of normally closed magnetic core is provided with rubber closure, two rubber closures are relative with the ring surface of the inner port of Chang Kaishui hole and normally closed inlet opening 3 respectively, be provided with coil often opening the bottom outside the vertical cavity at magnetic core place, top outside another vertical cavity of normally closed magnetic core is provided with coil, two coils are connected with power supply respectively, circuit between coil and power supply is respectively provided with a switch.
Float-ball type negative pressure water supply control device of the present utility model has functions such as forming negative pressure, negative pressure water supply, detection negative pressure state, recovery negative pressure, and structure is simple, easy to operate.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (3)
1. a float-ball type negative pressure water supply control device, is characterized in that: be made up of negative pressure water supply device, controller, detection of negative pressure pipe and mutual exclusion magnetic valve four part:
Described negative pressure water supply device comprises malleation water tank and negative pressure water tank, is provided with ball-cock assembly in described negative pressure water tank, and the water inlet pipe of ball-cock assembly is connected with malleation water tank by water source feed pipe;
Described mutual exclusion magnetic valve is arranged on the side of negative pressure water tank, the normally closed inlet opening of mutual exclusion magnetic valve is connected with water inlet pipe by pipeline, the water hole of often driving into of mutual exclusion magnetic valve is connected with negative pressure water tank, apopore and the underbalance pulse of mutual exclusion magnetic valve share water pipe and are connected, underbalance pulse shares water pipe and is connected with negative pressure water supply system, share on water pipe at underbalance pulse and be provided with detection of negative pressure pipe, detection of negative pressure pipe is U-tube, one end and the underbalance pulse of detection of negative pressure pipe share water pipe and are connected, the height of the other end of detection of negative pressure pipe is more than or equal to the height of malleation water tank,
Described controller comprises control casing, level relay is provided with in control casing, solenoid relay valve and sky are opened, solenoid relay valve is connected with mutual exclusion magnetic valve by Electromagnetic Valve Circuit line, share the water pipe place of being connected at detection of negative pressure pipe and underbalance pulse and be provided with detection of negative pressure contact, detection of negative pressure contact is connected with detector tube pulse middle water level holding wire, the lowermost end of detection of negative pressure pipe is provided with detection of negative pressure contact, detection of negative pressure contact is connected with detector tube pulse low water level holding wire, the most significant end of detection of negative pressure pipe is provided with detection of negative pressure contact, detection of negative pressure contact is connected with detector tube pulse high water level holding wire, detector tube pulse middle water level holding wire, detector tube pulse low water level holding wire is connected with level relay with detector tube pulse high water level holding wire.
2. a kind of float-ball type negative pressure water supply control device according to claim 1, is characterized in that: described ball-cock assembly comprises water inlet pipe, floating drum and buoyancy transmission and water inlet sealing system.
3. a kind of float-ball type negative pressure water supply control device according to claim 1, it is characterized in that: what the right side of the magnetic valve lower housing portion of described mutual exclusion magnetic valve had two to parallel often drives water hole and normally closed inlet opening into, often drive water hole into be communicated with water cavity respectively with the inner port of normally closed inlet opening, there is an apopore in the left side of magnetic valve lower housing portion, the inner port of apopore is communicated with water cavity, the upper end of water cavity is provided with two vertical chambeies paralleled, normally open valve magnetic core and normally close valve magnetic core are placed in above-mentioned two vertical chambeies respectively, stage clip is provided with between the upper surface of normally closed magnetic core and the upper surface in vertical chamber, the minor diameter cylinder often opening magnetic core bottom is arranged with stage clip, the lower end of described minor diameter cylinder is provided with rubber closure, the lower end of normally closed magnetic core is provided with rubber closure, two rubber closures are relative with the ring surface of the inner port of Chang Kaishui hole and normally closed inlet opening respectively, be provided with coil often opening the bottom outside the vertical cavity at magnetic core place, top outside another vertical cavity of normally closed magnetic core is provided with coil, two coils are connected with power supply respectively, circuit between coil and power supply is respectively provided with a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625583.7U CN204860425U (en) | 2015-08-18 | 2015-08-18 | Floater formula negative pressure feedwater controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520625583.7U CN204860425U (en) | 2015-08-18 | 2015-08-18 | Floater formula negative pressure feedwater controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204860425U true CN204860425U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520625583.7U Expired - Fee Related CN204860425U (en) | 2015-08-18 | 2015-08-18 | Floater formula negative pressure feedwater controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204860425U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028138A (en) * | 2015-08-18 | 2015-11-11 | 中国农业科学院农田灌溉研究所 | Floating ball type negative pressure water feeding control device |
| CN105028138B (en) * | 2015-08-18 | 2018-08-31 | 中国农业科学院农田灌溉研究所 | Float-ball type negative pressure water supply control device |
-
2015
- 2015-08-18 CN CN201520625583.7U patent/CN204860425U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105028138A (en) * | 2015-08-18 | 2015-11-11 | 中国农业科学院农田灌溉研究所 | Floating ball type negative pressure water feeding control device |
| CN105028138B (en) * | 2015-08-18 | 2018-08-31 | 中国农业科学院农田灌溉研究所 | Float-ball type negative pressure water supply control device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180818 |