CN101218883A - Case type low pressure high volume pressure regulator - Google Patents

Case type low pressure high volume pressure regulator Download PDF

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Publication number
CN101218883A
CN101218883A CNA2008100568419A CN200810056841A CN101218883A CN 101218883 A CN101218883 A CN 101218883A CN A2008100568419 A CNA2008100568419 A CN A2008100568419A CN 200810056841 A CN200810056841 A CN 200810056841A CN 101218883 A CN101218883 A CN 101218883A
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China
Prior art keywords
pressure
downstream
shell
water
pressure regulator
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CNA2008100568419A
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Chinese (zh)
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CN101218883B (en
Inventor
李光永
边新洋
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China Agricultural University
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China Agricultural University
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Publication of CN101218883A publication Critical patent/CN101218883A/en
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Publication of CN101218883B publication Critical patent/CN101218883B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a tank typed large flow pressure adjuster suitable for a low pressure drip irrigation system belonging to the technical field of agricultural water-saving irrigation. The technical proposal includes a tank typed shell, a water inlet and a water outlet respectively arranged on a front side wall and a back side wall of the shell. The invention is characterized in that the shell is provided with a lifting frame with a floating ball floating up and down, wherein, the lifting frame includes an upstream baffle and a downstream baffle respectively near the front inner wall and back inner wall of the shell, and the upstream baffle and the downstream baffle are respectively provided with a water inlet through opening and a water outlet through opening corresponding to the water inlet and the water outlet. The invention has the advantages of good pressure adjusting performance, convenient installation and use, equal starting regulation pressure and outlet pressure (the outlet pressure is designed by the height of a water level in a water tank), simple structure, convenient manufacture, low cost, convenient maintenance, etc.

Description

Case type low pressure high volume pressure regulator
Technical field
The present invention relates to a kind of pressure regulator, particularly a kind of case type low pressure high volume pressure regulator that is applicable to low-pressure drip irrigation system belongs to agricultural irrigation technology.
Background technology
Pressure regulator (can be called for short pressure regulator) is the important component part of drip irrigation system, its major function is to make pressure regulator downstream hydraulic pressure keep invariable when the pressure regulator upper water is pressed with fluctuation, or respectively pour water apart from the downstream when the irrigation system stem and to guarantee when sub-district distance does not wait that each porch, sub-district water pressure is equal, make drip irrigation system keep satisfactory uniformity of irrigation water appilcation.
For traditional drip irrigation system, at present supporting with it pressure regulator kind is more, and main pressure regulator structure is a structure shown in the accompanying drawing 6 both at home and abroad, the domestic pressure regulator that has a kind of at the low pressure and mass flow characteristics in addition, and its structure is as shown in Figure 5.
The pressure regulation mechanism of the pressure regulator shown in the accompanying drawing 6 is: when the pressure regulator upstream has certain water pressure, current are through import gaily decorated basket plug outer, by T type pressure regulation assembly cavity flow downstream, continuous increase along with upstream pressure, downstream pressure also improves thereupon, because the effect of spring force, before upstream pressure reached certain certain value, pressure regulation assembly downstream kept " holding out against " state with outlet always.Downstream pressure on acting on the pressure regulation assembly during greater than initial elastic force of spring and upstream pressure sum pressure regulator begin operate as normal, effect lower spring at total pressure head is compressed, the pressure regulation assembly upstream moves, the area of the import this moment cross-section of river reduces, the loss of flood peak increases, and outlet pressure reduces.Opposite when upstream pressure reduces, to reply at the effect lower spring of total pressure head, the pressure regulation assembly moves downstream, and the area of flow surface increases, and the loss of flood peak reduces, and outlet pressure increases, and keeps outlet pressure stable according to this.
The critical component of pressure regulator shown in the accompanying drawing 5 is automatic flow regulating valve, it is made up of ball float, ball valve and the valve rod that connects the two, it is controlled the unlatching of water intaking valve automatically according to fluctuation in stage in the case or closes, and realizes the adjusting of flow, guarantees to keep within the specific limits in whole drip irrigation process middle water level.Flow regulating valve has used lever principle, and when water level rose arrival control water level, ball float floated, and ball float drives valve rod and rises, and valve opening reduces, and inflow reduces, water level depression in the water tank; When water level depression broke away from the control water level, ball float and valve rod were sagging, and valve opening increases, and inflow increases, and water level rises in the case.The interior water level of guard box is no more than the excursion of regulation in this way.As " relay-type " turn of tidal stream device, with table in the case dynamic water can be transformed into Static Water with water tank of voltage regulation, application is decided stable level and is gone out stream, and promptly current flow into pipe network again through the water tank voltage stabilizing earlier, realize the pressure regulation function.
A pressure regulator outlet pressure and a pressure regulation power present and that traditional drip irrigation system is supporting are all higher, are not suitable for low-pressure drip irrigation system.The low pressure adjuster mostly is imported product, version such as accompanying drawing 6, and its complex structure and price are higher.The used pressure regulating valve price of case type low pressure high volume pressure regulator shown in the accompanying drawing 5 is higher, so still there is not economical and practical case type low pressure high volume pressure regulator at present.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, economical and practical case type low pressure high volume pressure regulator
The technical scheme of being taked comprises to achieve the object of the present invention: the shell of box, be located at water inlet and delivery port on this shell front and back sidewall respectively, it is characterized in that, in this shell, be provided with the crane that fluctuates of a band ball float, this crane comprises respectively upstream baffle and the downstream baffle plate that advances madial wall before and after the shell near described, is respectively equipped with on this upstream baffle and the downstream baffle plate and described water inlet and corresponding water inlet port of delivery port and water outlet port.
In the above-mentioned case type low pressure high volume pressure regulator, described crane also comprises a connecting rod, and described ball float is fixed on this connecting rod, fixedlys connected with the downstream baffle plate with upstream baffle respectively in the two ends of this connecting rod.
In the above-mentioned case type low pressure high volume pressure regulator, be respectively equipped with the sliding rail groove that matches with described upstream baffle and downstream baffle plate on the madial wall of the front and back of described shell, described upstream baffle and downstream baffle plate place respectively in the sliding rail groove.
In the above-mentioned case type low pressure high volume pressure regulator, the water inlet port on the described upstream baffle and the shape of described water inlet size close and the two stagger flow section is reduced, the water outlet port on the baffle plate of described downstream is bigger than described delivery port.
In the above-mentioned case type low pressure high volume pressure regulator, the water outlet port on the baffle plate of described downstream be shaped as Long Circle or shapes such as arch or rectangle or ellipse.
Water-saving irrigation of the present invention relatively has following characteristics with case type low pressure high volume pressure regulator and like product:
(1) pressure regulating performance is good, and downstream water pressure is constant substantially when upper water pressure has than cataclysm.
(2) can realize that pressure regulation power equates with outlet pressure, outlet pressure is by liquid level decision in the water tank.
(3) structural design is simple and practical, is convenient to make.
(4) rugged construction is durable, and is cheap.
Description of drawings
Fig. 1 is a kind of structural profile schematic diagram of the present invention;
Fig. 2 is tank shell upstream and downstream facial plane figure of the present invention;
Fig. 3 is a upstream baffle plane of the present invention;
Fig. 4 is downstream baffle plane figure of the present invention;
Fig. 5 is domestic existing case type low pressure high volume pressure regulator generalized section;
Fig. 6 is a wirking pressure controller structure generalized section.
Specific embodiments
As shown in Figure 1,1 is box shell (being water tank), this box shell front and back panel place establishes water inlet 1-1 and delivery port 1-2 respectively, 2 is the upstream baffle of crane, on have a circular water inlet port 2-1 relative with water inlet 1-1 on the box shell, when upstream baffle 2 rose, water inlet 1-1 on the shell and the water inlet port 2-1 on the upstream baffle staggered, and pressure regulator import flow section diminishes; 3 is the downstream baffle plate of crane, on have a water outlet port 3-1 relative with delivery port 1-2 on the box shell because water outlet port 3-1 is bigger than delivery port 1-2, when downstream baffle plate 3 rose, pressure regulator outlet flow section area was constant; 4 is the connecting rod of crane, it is with upstream baffle 2, downstream baffle plate 3, ball float 5 connects together and forms the crane of pressure regulator inside, 5 is ball float, it and connecting rod 4 weld or tie together, when water level in the pressure regulator raises, ball float 5 suffered buoyancy are greater than the crane self gravitation, ball float 5 drives crane and moves upward, upstream baffle 2 rises, water inlet 1-1 on the box shell and the water inlet port 2-1 on the upstream baffle stagger, pressure regulator import flow section diminishes, the pressure regulator inlet flow rate diminishes, and when in the water tank during water level depression, ball float 5 suffered buoyancy are less than the crane self gravitation, crane moves downward under the self gravitation effect, water inlet port 2-1 on water inlet 1-1 and the upstream baffle resets, and it is big that pressure regulator import flow section becomes, and the pressure regulator quantitative change that becomes a mandarin is big, in this way pressure regulator import pressure water is changed into water level remains unchanged substantially in hydrostatic and the pressure regulator, place its downstream of certain altitude can obtain corresponding constant head the present invention.
As shown in Figure 2, box shell front and back panel inboard all is provided with sliding rail groove 1-4, and upstream baffle and downstream baffle plate lay respectively at (see figure 1) in the sliding rail groove 1-4, to guarantee that crane is in the inner steadily lifting of pressure regulator.
As shown in Figure 3, Figure 4, the connecting rod 4 of crane welds or rivets respectively at 2-2 among the figure and 2-3 place with upstream baffle 2, downstream baffle plate 3; In the present embodiment, the water outlet port 3-1 on the downstream baffle plate 3 is a Long Circle, and in actual production, the shape of water outlet port can also be arch or shapes such as rectangle or ellipse.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.

Claims (5)

1. case type low pressure high volume pressure regulator, comprise: shell, be located at water inlet and delivery port on this shell front and back sidewall respectively, it is characterized in that, in this shell, be provided with the crane that fluctuates of a band ball float, this crane comprises respectively upstream baffle and the downstream baffle plate that advances madial wall before and after the shell near described, is respectively equipped with on this upstream baffle and the downstream baffle plate and described water inlet and corresponding water inlet port of delivery port and water outlet port.
2. case type low pressure high volume pressure regulator according to claim 1 is characterized in that described crane also comprises connecting rod, and described ball float is fixed on this connecting rod, fixedlys connected with the downstream baffle plate with upstream baffle respectively in the two ends of this connecting rod.
3. case type low pressure high volume pressure regulator according to claim 1 and 2, it is characterized in that, be respectively equipped with the sliding rail groove that matches with described upstream baffle and downstream baffle plate on the madial wall of the front and back of described shell, described upstream baffle and downstream baffle plate place respectively in the sliding rail groove.
4. case type low pressure high volume pressure regulator according to claim 1 and 2 is characterized in that, the water inlet port on the described upstream baffle is close with the shape size of described water inlet, and the water outlet port on the baffle plate of described downstream is bigger than described delivery port.
5. case type low pressure high volume pressure regulator according to claim 1 and 2 is characterized in that, the water outlet port on the baffle plate of described downstream be shaped as Long Circle or arch or rectangle or ellipse.
CN2008100568419A 2008-01-25 2008-01-25 Case type low pressure high volume pressure regulator Expired - Fee Related CN101218883B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2008100568419A CN101218883B (en) 2008-01-25 2008-01-25 Case type low pressure high volume pressure regulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2008100568419A CN101218883B (en) 2008-01-25 2008-01-25 Case type low pressure high volume pressure regulator

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CN101218883A true CN101218883A (en) 2008-07-16
CN101218883B CN101218883B (en) 2010-11-10

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102499021A (en) * 2011-09-30 2012-06-20 中国农业科学院农田灌溉研究所 Multistage constant-pressure sprinkling irrigation system for hilly land
CN103404408A (en) * 2013-08-16 2013-11-27 新疆农业大学 Underground vertical stratification water pressure and salinity regulation device
CN107676997A (en) * 2017-11-03 2018-02-09 北京泰利新能源科技发展有限公司 A kind of geothermal well backflow device
CN108971243A (en) * 2018-09-25 2018-12-11 芜湖新兴铸管有限责任公司 Water cooling device
CN112675563A (en) * 2019-10-18 2021-04-20 中国石油化工股份有限公司 Gas phase regulating unit for a dividing wall column and dividing wall column comprising a gas phase regulating unit

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102499021A (en) * 2011-09-30 2012-06-20 中国农业科学院农田灌溉研究所 Multistage constant-pressure sprinkling irrigation system for hilly land
CN103404408A (en) * 2013-08-16 2013-11-27 新疆农业大学 Underground vertical stratification water pressure and salinity regulation device
CN107676997A (en) * 2017-11-03 2018-02-09 北京泰利新能源科技发展有限公司 A kind of geothermal well backflow device
CN107676997B (en) * 2017-11-03 2023-09-26 北京泰利新能源科技发展有限公司 Geothermal well recharging device
CN108971243A (en) * 2018-09-25 2018-12-11 芜湖新兴铸管有限责任公司 Water cooling device
CN112675563A (en) * 2019-10-18 2021-04-20 中国石油化工股份有限公司 Gas phase regulating unit for a dividing wall column and dividing wall column comprising a gas phase regulating unit
CN112675563B (en) * 2019-10-18 2022-08-09 中国石油化工股份有限公司 Gas phase regulating unit for a dividing wall column and dividing wall column comprising a gas phase regulating unit

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Publication number Publication date
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SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
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EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20080716

Assignee: Inner Mongolia mu mu land water saving engineering equipment Co., Ltd.

Assignor: China Agricultural University

Contract record no.: 2013990000631

Denomination of invention: Case type low pressure high volume pressure regulator

Granted publication date: 20101110

License type: Exclusive License

Record date: 20130927

LICC Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101110

Termination date: 20150125

EXPY Termination of patent right or utility model