CN2678347Y - Low head bypass pressure regulator - Google Patents

Low head bypass pressure regulator Download PDF

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Publication number
CN2678347Y
CN2678347Y CN 200420041498 CN200420041498U CN2678347Y CN 2678347 Y CN2678347 Y CN 2678347Y CN 200420041498 CN200420041498 CN 200420041498 CN 200420041498 U CN200420041498 U CN 200420041498U CN 2678347 Y CN2678347 Y CN 2678347Y
Authority
CN
China
Prior art keywords
water
pipe
water inlet
valve
water tank
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200420041498
Other languages
Chinese (zh)
Inventor
吴普特
牛文全
胡若愚
刘晓丽
张国祥
范兴科
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute Of Soil And Water Conservation Ministry Of Water Resources Chinese Academy Of Sciences
NATIONAL CENTER FOR EFFICIENT IRRIGATION ENGINEERING AND TECHNOLOGY RESEARCH-YANGLING
Original Assignee
Institute Of Soil And Water Conservation Ministry Of Water Resources Chinese Academy Of Sciences
NATIONAL CENTER FOR EFFICIENT IRRIGATION ENGINEERING AND TECHNOLOGY RESEARCH-YANGLING
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institute Of Soil And Water Conservation Ministry Of Water Resources Chinese Academy Of Sciences, NATIONAL CENTER FOR EFFICIENT IRRIGATION ENGINEERING AND TECHNOLOGY RESEARCH-YANGLING filed Critical Institute Of Soil And Water Conservation Ministry Of Water Resources Chinese Academy Of Sciences
Priority to CN 200420041498 priority Critical patent/CN2678347Y/en
Application granted granted Critical
Publication of CN2678347Y publication Critical patent/CN2678347Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a low water head branch pipe pressure regulator, which comprises a bracket, a water tank is arranged above the bracket, a glass pipe for indicating water level is arranged on the water tank, a water inlet pipe and a water outlet pipe are respectively arranged at two ends of the water tank, a drain pipe is arranged at the lower part of the water tank, an input control valve is arranged in the water inlet of the water inlet pipe, a drain valve is arranged on the drain pipe, and an output control valve is arranged on the water outlet pipe; the automatic water inlet and outlet device is characterized in that one end of the water inlet pipe is also provided with an automatic flow regulating valve, and a floating ball and a connecting rod for controlling water inlet are connected to the automatic flow regulating valve; one end of the water outlet pipe is connected with a diving filter which is arranged at the bottom in the water tank; still be provided with the fertilization on the export of outlet pipe and prepare the interface, pipeline equipment all adopts standard general spare, and control is reliable, is favorable to the water level relatively stable. The utility model discloses it is low to play the regulating pressure power, and the range of regulation is big, and the flow is stable. It is especially suitable for low pressure irrigation system.

Description

Low water head arm pressure regulator
Technical field
The utility model belongs to the high-efficiency water-saving device in modern agriculture field, relates to a kind of adjuster of low-pressure drip irrigation system, particularly a kind of low water head arm pressure regulator that is applicable to low-pressure drip irrigation system.
Background technology
Drip irrigation is a kind of advanced person's a water-saving irrigation technique, belongs to pressure and irrigates, and it mainly is to utilize pressure pipeline that irrigation water directly is delivered to crop root to carry out localized irrigation, and its irrigator and system all require certain pressure.Pressure is to influence the most key factor of drip irrigation system expense, and traditional drip irrigation system is in order to adapt to rugged orographic condition, and the design working head of emitter operating pressure is also higher relatively, is generally about 10 meters.In recent years, drip irrigation technique obtains large-area promotion and application in flat area and green house.Because the Plain is irrigated and the green house topographical elevation difference is less, the influence that the drip irrigation system uniformity of irrigation water appilcation is produced is less thus, for economize on water, energy-conservation, the operating pressure of water dropper need not design too high, therefore drip irrigation system just develops towards the low pressure direction at present, and its operating pressure will be below 4 meters.
Drip irrigation system is had relatively high expectations to the hydraulic performance of the pipe network and the equipment of pouring water, because the loss of flood peak of system pipe network and change of topography change greatly pressure, causes the effective working head difference of arm entrance point bigger.Use conventional gate valve regulator to be difficult to guarantee each arm arrival end pressure unanimity, thereby reduced uniformity of irrigation water appilcation.Therefore be necessary to develop arm end pressure adjusting device, no matter how arm arrival end operating pressure changes, the outlet end pressure is kept relative stability in the normal design scope, reach the pipe network system security of operation, drip evenly, thereby reduced the drip irrigation system cost, make the whole system coordinative composition of equipments, conveniently apply.
Summary of the invention
Defective and deficiency at above-mentioned prior art existence, the purpose of this utility model is, provide a kind of to transfer the low low water head arm pressure regulator of operating pressure, this adjuster is specially adapted to low-pressure drip irrigation system, at each sub-district inlet of pouring water, this adjuster is set, and to make its downstream be low-pressure area, guaranteed, the hollow billet trouble free service, guarantees that low-pressure drip irrigation system has higher uniformity of irrigation water appilcation.
The utility model is to finish by following technical scheme: a kind of low water head arm pressure regulator, comprise a support, above support, be provided with a water tank, be useful on the glass tube of indicated water level on the water tank, the two ends of water tank are respectively arranged with water inlet pipe and outlet pipe, and drainpipe is arranged at the bottom of water tank, are provided with input control valve in the water inlet of water inlet pipe, draining valve is arranged on the drainpipe, the output control valve is arranged on the outlet pipe; Be characterized in that an end of water inlet pipe also has an automatic flow regulating valve, be connected with the ball float and the connecting rod of control water inlet automatically on the flow regulating valve; Be connected with the diving filter at outlet pipe one end, the diving filter is arranged on the bottom in the water tank; In the outlet of outlet pipe, also be provided with fertilising preparation interface.
Another characteristics of the present utility model are, described automatic flow regulating valve is many valve arrangements, comprise valve body, valve seat, preceding flap, front and back flap connecting rod, back flap, spring, control flap, be communicated with by the aperture on the flap connecting rod of front and back between preceding flap and the back flap.
Described control flap is connected with connecting rod on the ball float by hinge.
Because the utility model has adopted automatic flow regulating valve and the structure of control valve is set in the water side at water inlet, under low operating pressure, entering each arm after making irrigation water through twice adjusting.The pressure that can adapt to different source of water supply changes, and prevents that pressure of supply water is excessive and overflow phenomena takes place.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is automatic flow regulating valve valve body structure schematic diagram.
Embodiment
The example that provides below in conjunction with accompanying drawing and inventor is described in further detail the utility model.
Referring to Fig. 1, according to technique scheme, a kind of low water head arm pressure regulator, comprise a support 7, above support 7, be provided with a water tank 4, be useful on the glass tube 10 of indicated water level on the water tank 4, the two ends of water tank 4 are respectively arranged with water inlet pipe 2 and outlet pipe 14, drainpipe 7 is arranged at the bottom of water tank 4, is used for discharging unnecessary water in the case, prevents that the time spent is not grown hydrobiontic alga.Be provided with input control valve 3 in the water inlet of water inlet pipe 2, draining valve 5 is arranged on the drainpipe 7, output control valve 13 is arranged on the outlet pipe 14; One end of water inlet pipe 2 also has an automatic flow regulating valve 1, is connected with the ball float 9 and the connecting rod 8 of control water inlet automatically on the flow regulating valve 1; Be connected with diving filter 11 at outlet pipe 14 1 ends, diving filter 11 is arranged on the bottom in the water tank 4; In the outlet of outlet pipe 14, also be provided with fertilising preparation interface 12.
Flow regulating valve valve body structure schematic diagram as shown in Figure 2, automatically flow regulating valve 1 is many valve arrangements, comprise valve body 201, valve seat 202, preceding flap 203, front and back flap connecting rod 204, back flap 205, spring 206, control flap 207, be communicated with by the aperture on the front and back flap connecting rod 204 between preceding flap 203 and the back flap 205.
Control flap 207 is connected with connecting rod 8 on the ball float 9 by hinge 208.Can move up and down within the specific limits,
Glass tube 10 is communicated with at the bottom of the flexible pipe outlet box by one of water tank inner bottom part, is used for the observation water place value.Ball float 9 adopts the little ball float of volume, and lever is short as far as possible, and the flap switch is not controlled by lever directly like this, and impulsive force is little when closing.
Operation principle of the present utility model is, the dynamic water that water tank will be imported water pipe is transformed into Static Water, uses decide stable level and to go out stream, and promptly current flow into pipe network again through the water pressurizer tank earlier, keep pressure stability, realization pressure regulation function.Automatically flow regulating valve is according to fluctuation in stage in the case, controls the unlatching of water intaking valve automatically or closes, and realizes the adjusting of flow, guarantees that water level keeps within the specific limits in whole drip irrigation process raising middle flask.Automatically flow regulating valve uses lever principle, when water level rises arrival control water level, ball float rising closing control flap, the effect of water pressure of coming that enters into back flap rear cavity produces a lateral pressure to the flap of back, when its size is identical with preceding flap upward pressure size, whole flap moves to left under spring action and closes, and stops into water.
When water level depression breaks away from the control water level, ball float and valve rod are sagging, and the control flap is opened, and comes effect of water pressure on preceding flap, some comes water to be entered in the cavity at flap rear portion, back by stem orifices in addition, and, come effect of water pressure on preceding flap by the outflow of the control mouth of a river, some comes water to be entered in the cavity at flap rear portion, back by stem orifices in addition, and by the outflow of the control mouth of a river, move behind the preceding flap, ball-cock assembly is opened, thereby the interior water level of guard box is no more than the excursion of regulation.

Claims (3)

1. low water head arm pressure regulator, comprise a support [7], be provided with a water tank [4] in support [7] top, be useful on the glass tube [10] of indicated water level on the water tank [4], the two ends of water tank [4] are respectively arranged with water inlet pipe [2] and outlet pipe [14], and drainpipe [7] is arranged at the bottom of water tank [4], are provided with input control valve [3] in the water inlet of water inlet pipe [2], draining valve [5] is arranged on the drainpipe [7], output control valve [13] is arranged on the outlet pipe [14]; It is characterized in that an end of water inlet pipe [2] also has an automatic flow regulating valve [1], be connected with the ball float [9] and the connecting rod [8] of control water inlet automatically on the flow regulating valve [1]; Be connected with diving filter [11] at outlet pipe [14] one ends, diving filter [11] is arranged on the bottom in the water tank [4]; In the outlet of outlet pipe [14], also be provided with fertilising preparation interface [12].
2. low water head arm pressure regulator as claimed in claim 1, it is characterized in that, described automatic flow regulating valve [1] is many valve arrangements, comprise valve body [201], valve seat [202], preceding flap [203], front and back flap connecting rods [204], back flap [205], spring [206], control flap [207], be communicated with by the aperture on the front and back flap connecting rods [204] between preceding flap [203] and the back flap [205].
3. low water head arm pressure regulator as claimed in claim 2 is characterized in that, described control flap [207] is connected with connecting rod [8] on the ball float [9] by hinge [208].
CN 200420041498 2004-02-06 2004-02-06 Low head bypass pressure regulator Expired - Fee Related CN2678347Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420041498 CN2678347Y (en) 2004-02-06 2004-02-06 Low head bypass pressure regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420041498 CN2678347Y (en) 2004-02-06 2004-02-06 Low head bypass pressure regulator

Publications (1)

Publication Number Publication Date
CN2678347Y true CN2678347Y (en) 2005-02-16

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ID=34584050

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420041498 Expired - Fee Related CN2678347Y (en) 2004-02-06 2004-02-06 Low head bypass pressure regulator

Country Status (1)

Country Link
CN (1) CN2678347Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915617A (en) * 2019-12-13 2020-03-27 潍坊科技学院 Water-saving irrigation equipment with novel structure and application method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110915617A (en) * 2019-12-13 2020-03-27 潍坊科技学院 Water-saving irrigation equipment with novel structure and application method thereof

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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