CN204477370U - A kind of motor regulated valve - Google Patents
A kind of motor regulated valve Download PDFInfo
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- CN204477370U CN204477370U CN201520159824.3U CN201520159824U CN204477370U CN 204477370 U CN204477370 U CN 204477370U CN 201520159824 U CN201520159824 U CN 201520159824U CN 204477370 U CN204477370 U CN 204477370U
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Abstract
A kind of motor regulated valve, comprises controller, high voltage terminal pressure transducer, low voltage terminal pressure transducer, final controlling element and modulating valve; Described modulating valve comprises valve body, flow adjustment plate, bearing, lower cover, O RunddichtringO and sealing gasket; Basis is novel provides a kind of motor regulated valve, controller knows the pressure reduction at two ends by high voltage terminal pressure transducer and low voltage terminal pressure transducer, controller regulates analog amount to realize being compensated by the flow of the aperture control valve of modulating valve by the dynamic change of the pressure reduction at modulating valve two ends, to guarantee the room temperature being reached user's needs by the medium temperature of modulating valve, achieve and regulate precision high, the object that temperature control effect is good; Simultaneously owing to adopting eccentric adjustment plate structure, avoiding in conventional art that to cause valve to become rusty dead because producing fouling, cannot normally work, in addition, the spheroid in valve and the rotatingshaft of valve are split, and the spheroid after death rotatingshaft that becomes rusty very easily twists bald situation generation.
Description
Technical field
The utility model relates to valve technology field, particularly relates to a kind of motor regulated valve.
Background technique
Electric control valve is the important performance element instrument during industrial automation process controls.Along with the automaticity of industrial field is more and more higher, just more and more be applied in various field of industrial production, compared with traditional pneumatic control valve, there is obvious advantage: electric control valve energy-conservation (only operationally just consuming electric energy), environmental protection (non-carbon-emitting), convenience quick for installation (the gentle pump work station of the pneumatic pipeline without the need to complexity).
Reforming at China's heat metering is after water, electricity, combustion gas are implemented by meterage, last does not carry out the field of charging by metering, along with the propelling of national energy-saving emission reduction work, the installation of heat death theory product is increasing, in order to realize energy-saving and emission-reduction, to install after heat metering device and supporting installation must can be used for the device of Flow-rate adjustment, i.e. electric control valve, so that after according to oneself need the room temperature of oneself is regulated, reach energy-conservation object.
And current electric control valve majority is electric ball valve, utilize the close drive fit of the Sealing at the spheroid of electric ball valve and two ends, need the Sealing clamping Sphere orientation by both sides, therefore use very easily stuck by foreign material in heating system, producing fouling after particularly using certain time limit causes valve to become rusty extremely, cannot normally work, in addition, spheroid in valve and the rotatingshaft of valve are split, spheroid become rusty after death rotatingshaft very easily twist bald.
And this electric control valve drives valve to change sectional area size between spool and valve seat to realize controlling the flow of pipeline medium by receiving the signal of industrial automation control system, thus complete automation regulatory function.But the desirable rating curve of existing electric control valve is all generally straight line or equal percentage, due in the working procedure of reality, particularly in the variable flow system that system loading fluctuation is larger, the fluctuation of electric control valve inlet outlet pressure differential, the working flow characteristic curve of its reality can depart from desirable rating curve, cause the modulability of modulating valve to be deteriorated, degree of regulation reduces.
Summary of the invention
In order to overcome the problems referred to above, the utility model provides that a kind of degree of regulation is high, temperature control effect good and service-strong motor regulated valve.
For achieving the above object, the technological scheme that the utility model provides is:
A kind of motor regulated valve, comprises controller, high voltage terminal pressure transducer, low voltage terminal pressure transducer, final controlling element and modulating valve; Wherein, the described output terminal of high voltage terminal pressure transducer is connected with the first input end of controller, the output terminal of low voltage terminal pressure transducer is connected with the second input end of controller, what high voltage terminal pressure transducer was arranged on modulating valve enters head piece, what low voltage terminal pressure transducer was arranged on modulating valve goes out head piece, the output terminal of controller is connected with the input end of final controlling element, and the output terminal of final controlling element is connected with the running shaft of modulating valve; Described modulating valve comprises valve body, flow adjustment plate, bearing, lower cover, O RunddichtringO and sealing gasket; Set into head piece in the substantially horizontal of valve body and go out head piece, flow adjustment plate is provided with in valve body, the running shaft of flow adjustment plate upper end is arranged with O RunddichtringO, and the axis hole of running shaft and valve body is rotatably assorted, the bearing that the lower end of flow adjustment plate and lower cover are arranged is rotatably assorted, lower cover is fixedly connected with by sealing gasket with valve body, and the running shaft of flow adjustment plate upper end is fixedly connected with final controlling element; Described flow adjustment plate comprises rotating shaft, baffle part and lower rotary shaft; Described baffle portion is divided into " mouth " shape, " mouth " shape baffle plate is provided with opening, and upper rotating shaft one end is movably fixed to the side of this opening, and the other end is fixedly connected with running shaft, one end of lower rotary shaft is movably fixed to the opposite side of this opening, and the other end is arranged in the bearing of lower cover.
Described body cavity and flow adjust between plate and leave 0.2-1.0mm gap.
Close contact between described flow adjustment plate and valve body; Then enter on body wall that head piece and flow adjust between plate to offer side stream passages at described valve body described, the head piece that goes out of this side stream passages is connected to valve body and goes out head piece and flow adjusts between plate, also Rectifier plate is provided with in side stream passages, this Rectifier plate is provided with 5-10 through hole, and the diameter of each through hole is all less than 1cm.
the usefulness of technique scheme is:
1, basis is novel provides a kind of motor regulated valve, controller is by knowing the pressure reduction at two ends by high voltage terminal pressure transducer and low voltage terminal pressure transducer, controller regulates analog amount to realize being compensated by the flow of the aperture control valve of modulating valve by the dynamic change of the pressure reduction at modulating valve two ends, to guarantee the room temperature being reached user's needs by the medium temperature of modulating valve, achieve and regulate precision high, the object that temperature control effect is good; Simultaneously owing to adopting eccentric adjustment plate structure, avoiding in conventional art that to cause valve to become rusty dead because producing fouling, cannot normally work, in addition, the spheroid in valve and the rotatingshaft of valve are split, and the spheroid after death rotatingshaft that becomes rusty very easily twists bald situation generation.
2, basis is novel leaves gap owing to adjusting plate at body cavity and flow, owing to there is certain interval between flow adjustment plate and valve body, modulating valve can be made also to preserve certain letdown flow in a closed condition, prevent pipeline from being frozen, the situation preventing valve body from becoming rusty dead occurs, improve the operating life of valve, achieve service-strong object.
3, this novelly enters on body wall that head piece and flow adjust between plate to offer side stream passages at valve body, the head piece that goes out of this side stream passages is connected to valve body and goes out head piece and flow adjusts between plate, also Rectifier plate is provided with in side stream passages, this Rectifier plate is provided with 5-10 through hole, the diameter of each through hole is all less than 1cm, make valve body when closing, the medium that valve body enters head piece can enter valve body by side stream passages and go out in head piece, frozen to prevent pipeline, and owing to being provided with Rectifier plate in side stream passages, the rate-of flow of side stream passages can be reduced by.
Be further described originally novel below in conjunction with the drawings and specific embodiments.
Accompanying drawing explanation
Fig. 1 is this new structure schematic diagram;
Fig. 2 is A-A cross-sectional schematic in Fig. 1.
Embodiment
embodiment 1
A kind of motor regulated valve as shown in Figure 1, 2, comprises controller 1, high voltage terminal pressure transducer 2, low voltage terminal pressure transducer 3, final controlling element 4 and modulating valve 5; Wherein, the output terminal of described high voltage terminal pressure transducer 2 is connected with the first input end of controller 1, the output terminal of low voltage terminal pressure transducer 3 is connected with the second input end of controller 1, what high voltage terminal pressure transducer 2 was arranged on modulating valve 5 enters head piece, what low voltage terminal pressure transducer 3 was arranged on modulating valve 5 goes out head piece, the output terminal of controller 1 is connected with the input end of final controlling element 4, and the output terminal of final controlling element 4 is connected with the running shaft 50 of modulating valve 5.
Concrete, be all be connected by signaling line between high voltage terminal pressure transducer 2 with controller 1 and between low voltage terminal pressure transducer 3 with controller 1.Be connected by cable between final controlling element 4 with controller 1, controller 1 is by knowing the pressure reduction at valve body 5 two ends by high voltage terminal pressure transducer 2 and low voltage terminal pressure transducer 3, controller 1 regulates analog amount to realize being compensated by the flow of the aperture control valve of modulating valve 5 by the dynamic change of the pressure reduction at modulating valve 5 two ends, to guarantee the room temperature being reached user's needs by the medium temperature of modulating valve 5, achieve and regulate precision high, the object that temperature control effect is good.
Described modulating valve 5 comprises valve body 51, flow adjustment plate 52, bearing 53, lower cover 54, O RunddichtringO 55 and sealing gasket 56; Set into head piece 510 in the substantially horizontal of valve body 51 and go out head piece 511, flow adjustment plate 52 is provided with in valve body 51, the running shaft 50 of flow adjustment plate 52 upper end is arranged with O RunddichtringO 55, and running shaft 50 is rotatably assorted with the axis hole of valve body 51, the bearing 53 that the lower end of flow adjustment plate 52 and lower cover 54 are arranged is rotatably assorted, lower cover 54 is fixedly connected with by sealing gasket 56 with valve body 51, and the running shaft 50 of flow adjustment plate 52 upper end is fixedly connected with final controlling element 4.
In this is novel, described flow adjustment plate 52 comprises rotating shaft, baffle part 520 and lower rotary shaft, described baffle part 520 one-tenth " mouth " shape, " mouth " shape baffle plate is provided with opening, upper rotating shaft one end is movably fixed to the side of this opening, the other end is fixedly connected with running shaft 50, one end of lower rotary shaft is movably fixed to the opposite side of this opening, the other end is arranged in the bearing 53 of lower cover 54, even if baffle part 520 and rotating shaft 50 eccentric setting, when valve closing, the head piece that enters of valve body 51 can be shut by flow adjustment plate 52, during valve open, the eccentric baffle plate 520 of flow adjustment plate 52 is amesiality, flow channel is got out of the way, reach the object reducing resistance, adopt eccentric adjustment plate 520 structure, avoiding in conventional art causes valve to become rusty extremely because producing fouling, cannot normally work, in addition, spheroid in valve and the rotatingshaft of valve are split, become rusty after death rotatingshaft of spheroid is very easily twisted bald situation and is occurred.
In the present embodiment, the Inner footpath radius of valve body 51 should adjust the turning radius of plate 52 slightly larger than flow, concrete, ensure that body cavity and flow adjust gap between plate 52 at 0.2 ~ 1.0mm.When valve is in closed condition, certain leakage rate should be had, owing to there is certain interval between flow adjustment plate 52 and valve body 51, modulating valve 51 can be made also to preserve certain letdown flow in a closed condition, prevent pipeline from being frozen, the situation preventing valve body from becoming rusty dead occurs, and achieves service-strong object.And flow adjustment plate 52 realizes good centering by its rotating shaft 50 and following bearing 53, ensure that the gap that body cavity and flow adjust between plate 52 is constant, and the axis hole of valve body 51 and flow adjust the upper end of plate 52 running shaft 50 between, good seal between lower cover 54 and valve body 51.
In the present embodiment, also can be that flow is being adjusted close contact between plate 52 and valve body 51, then enter on body wall that head piece 510 and flow adjust between plate 52 to offer side stream passages 57 at described valve body, the head piece that goes out of this side stream passages 57 is connected to valve body and goes out head piece 511 and flow adjusts between plate 52, Rectifier plate 58 is also provided with in side stream passages 57, this Rectifier plate 58 is provided with 5-10 through hole, the diameter of each through hole is all less than 1cm, make valve body when closing, the medium that valve body enters head piece can enter valve body by side stream passages 57 and go out in head piece 511, frozen to prevent pipeline, and owing to being provided with Rectifier plate 58 in side stream passages 57, the rate-of flow of side stream passages 57 can be reduced by.
In the present embodiment, preferably, flow is adjusted plate and upper rotating shaft and lower rotary shaft, upper rotating shaft and running shaft and adopt one-body molded setting.
Claims (3)
1. a motor regulated valve, is characterized in that: comprise controller, high voltage terminal pressure transducer, low voltage terminal pressure transducer, final controlling element and modulating valve; Wherein, the described output terminal of high voltage terminal pressure transducer is connected with the first input end of controller, the output terminal of low voltage terminal pressure transducer is connected with the second input end of controller, what high voltage terminal pressure transducer was arranged on modulating valve enters head piece, what low voltage terminal pressure transducer was arranged on modulating valve goes out head piece, the output terminal of controller is connected with the input end of final controlling element, and the output terminal of final controlling element is connected with the running shaft of modulating valve; Described modulating valve comprises valve body, flow adjustment plate, bearing, lower cover, O RunddichtringO and sealing gasket; Set into head piece in the substantially horizontal of valve body and go out head piece, flow adjustment plate is provided with in valve body, the running shaft of flow adjustment plate upper end is arranged with O RunddichtringO, and the axis hole of running shaft and valve body is rotatably assorted, the bearing that the lower end of flow adjustment plate and lower cover are arranged is rotatably assorted, lower cover is fixedly connected with by sealing gasket with valve body, and the running shaft of flow adjustment plate upper end is fixedly connected with final controlling element; Described flow adjustment plate comprises rotating shaft, baffle part and lower rotary shaft; Described baffle portion is divided into " mouth " shape, " mouth " shape baffle plate is provided with an opening, and upper rotating shaft one end is movably fixed to the side of this opening, and the other end is fixedly connected with running shaft, one end of lower rotary shaft is movably fixed to the opposite side of this opening, and the other end is arranged in the bearing of lower cover.
2. a kind of motor regulated valve as claimed in claim 1, is characterized in that: described body cavity and flow adjust between plate and leave 0.2-1.0mm gap.
3. a kind of motor regulated valve as claimed in claim 1, is characterized in that: close contact between described flow adjustment plate and valve body; Enter on body wall that head piece and flow adjust between plate to offer side stream passages at described valve body, the head piece that goes out of this side stream passages is connected to valve body and goes out head piece and flow adjusts between plate, also Rectifier plate is provided with in side stream passages, this Rectifier plate is provided with 5-10 through hole, and the diameter of each through hole is all less than 1cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520159824.3U CN204477370U (en) | 2015-03-20 | 2015-03-20 | A kind of motor regulated valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520159824.3U CN204477370U (en) | 2015-03-20 | 2015-03-20 | A kind of motor regulated valve |
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| CN204477370U true CN204477370U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520159824.3U Active CN204477370U (en) | 2015-03-20 | 2015-03-20 | A kind of motor regulated valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570914A (en) * | 2016-02-23 | 2016-05-11 | 上海必立建筑工程有限公司 | Double-pipe or multi-pipe type chimney smoke discharging system |
| CN105570915A (en) * | 2016-02-23 | 2016-05-11 | 上海必立建筑工程有限公司 | Pressure-inductive self-adjusting type baffle door |
| CN108644463A (en) * | 2018-05-28 | 2018-10-12 | 海宁欧乐威环境科技有限公司 | A kind of floor heating intelligent electric control valve all-in-one machine |
| CN111365511A (en) * | 2018-12-26 | 2020-07-03 | 杭州三花研究院有限公司 | Ball valve and control method |
| CN112594433A (en) * | 2021-03-03 | 2021-04-02 | 西安安森智能仪器股份有限公司 | Flow metering regulating valve |
| CN113205248A (en) * | 2021-04-27 | 2021-08-03 | 西安热工研究院有限公司 | Regulating valve fault early warning system and method based on big data medium parameter diagnosis |
-
2015
- 2015-03-20 CN CN201520159824.3U patent/CN204477370U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570914A (en) * | 2016-02-23 | 2016-05-11 | 上海必立建筑工程有限公司 | Double-pipe or multi-pipe type chimney smoke discharging system |
| CN105570915A (en) * | 2016-02-23 | 2016-05-11 | 上海必立建筑工程有限公司 | Pressure-inductive self-adjusting type baffle door |
| CN108644463A (en) * | 2018-05-28 | 2018-10-12 | 海宁欧乐威环境科技有限公司 | A kind of floor heating intelligent electric control valve all-in-one machine |
| CN111365511A (en) * | 2018-12-26 | 2020-07-03 | 杭州三花研究院有限公司 | Ball valve and control method |
| CN111365511B (en) * | 2018-12-26 | 2022-01-11 | 浙江三花智能控制股份有限公司 | Ball valve and control method |
| CN112594433A (en) * | 2021-03-03 | 2021-04-02 | 西安安森智能仪器股份有限公司 | Flow metering regulating valve |
| CN113205248A (en) * | 2021-04-27 | 2021-08-03 | 西安热工研究院有限公司 | Regulating valve fault early warning system and method based on big data medium parameter diagnosis |
| CN113205248B (en) * | 2021-04-27 | 2023-03-24 | 西安热工研究院有限公司 | Regulating valve fault early warning system and method based on big data medium parameter diagnosis |
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