CN201944398U - Electric integrated temperature controlling valve - Google Patents

Electric integrated temperature controlling valve Download PDF

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Publication number
CN201944398U
CN201944398U CN2011200533347U CN201120053334U CN201944398U CN 201944398 U CN201944398 U CN 201944398U CN 2011200533347 U CN2011200533347 U CN 2011200533347U CN 201120053334 U CN201120053334 U CN 201120053334U CN 201944398 U CN201944398 U CN 201944398U
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CN
China
Prior art keywords
valve
control
electric actuator
integrated temperature
temperature
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
CN2011200533347U
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Chinese (zh)
Inventor
姜纪财
陆国军
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.)
ZHEJIANG KEHAI INSTRUMENTS CO Ltd
Original Assignee
ZHEJIANG KEHAI INSTRUMENTS CO Ltd
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 ZHEJIANG KEHAI INSTRUMENTS CO Ltd filed Critical ZHEJIANG KEHAI INSTRUMENTS CO Ltd
Priority to CN2011200533347U priority Critical patent/CN201944398U/en
Application granted granted Critical
Publication of CN201944398U publication Critical patent/CN201944398U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to an electric integrated temperature controlling valve which is integrated by a temperature sensor, a control display, an electric actuator and a control valve, wherein the control display integrates control instruments and display instruments as a whole. The top of the electric actuator is provided with a hand wheel, a cooling fin is arranged on a valve cover of the control valve body which is a triple-valve body, and a valve rod adopts a double sealing structure with a corrugation pipe and sealing filler. The temperature controlling valve has the advantages of having a compact valve structure, a rapid control response speed, a high control sensitivity and a good sealing performance and is convenient in installation and adjustment and especially suitable for control systems such as air condition, refrigeration, heating and the like.

Description

A kind of electronic integrated temperature control adjusting valve
Technical field
The utility model relates to a kind of thermostat valve, particularly relates to a kind of electronic integrated temperature control adjusting valve.
Background technique
Thermostat valve is a kind of temperature regulation control valve very widely of using in air-conditioning, refrigeration, heating dispatch control system, is applicable to that also the automatic adjusting to medium temperature is controlled in the industry production processes such as oil, chemical industry, metallurgy, electric power.
Thermostat valve commonly used generally has two kinds of self-supporting temperature-sensing valve and electronic thermostat valves in the prior art.Self-supporting temperature-sensing valve is to utilize heated liquid to expand and the automatic adjusting of incompressible principle realization, and when controlled medium temperature changed, the temperature sensing liquid volume in the sensor was along with expansion or contraction.When controlled medium temperature was higher than setting value, temperature sensing liquid expanded, and promoted the spool throttle down, reduced the flow of heating agent; When controlled medium temperature was lower than setting value, temperature sensing liquid shrank, and Returnning spring promotes spool and opens, and increases the flow of heating agent.This kind thermostat valve often has the temperature setting operation more loaded down with trivial details, and needs special tool; The temperature setting range is little; Degree of regulation is relatively poor, is generally ± 5~± 10 ℃; Shortcomings such as temperature regulation control hysteresis is serious.And the working principle of electronic thermostat valve is: sensor is with detected temperature signal, (the curtage control signal of DC 0~10V or DC 4~20mA) is input to final controlling element to convert switching value or standard analog amount to, final controlling element is reacted and is produced action, drive regulation valve core and produce displacement, the regulating valve open degree, thus cold and hot matchmaker's flow controlled.Electronic thermostat valve of the prior art is that temperature transducer, controller, display device and final controlling element are independently set up separately, the form of then carrying out stack mounting at the scene designs and makes, and often has that equipment volume is big, defectives such as many, the signal transmission distance of taking up room, control accuracy are poor, field connection complexity.
Summary of the invention
The purpose of this utility model is the shortcoming that exists at prior art, provide a kind of compact structure, speed of response fast, regulate highly sensitive, good seal performance, installation electronic integrated temperature control adjusting valve easy to adjust.
Technical solution of the present utility model is: a kind of electronic integrated temperature control adjusting valve is combined by temperature transducer 1, control display device 2, electric actuator 3 and modulating valve 4 four big parts.Electric actuator comprises support 31, final controlling element body 32, handwheel 33 and scale direction board 34, and modulating valve comprises adapter 41, lower valve base 42, spool 43, upper valve base 44, valve body 45, bellows component 46, valve gap 47, filler 48, Gland 49, valve rod 50 and gasket seal and coupling.
Temperature transducer is far and near according to the distance of want detection position, band different length thermocouple capillaceous.The control display device then becomes one the control instrument and the Displaying Meter of system, has reduced the wiring of instrument cubicle, has dwindled overall volume, has also made things convenient for to use operation.
The modulating valve body adopts the three way valve that three communication port are arranged, by regulating the flow size of cold and hot two road media simultaneously, control input heat exchanger, air-conditioning unit or other medium temp with hot equipment, control than only regulating single channel media flow, it is fast to have speed of response, regulates sensitive high advantage.
The upper valve base of modulating valve is fixed between the left and right sides valve pocket of valve body, and lower valve base is fixed in the tapped hole of adapter, and upper and lower valve seat contacts with the conical surface with spool and seals, and takes over the lower end that is installed on valve body left side valve pocket with stud nut.The valve gap excircle has radiating fin, has improved the valve radiating effect, reduces conduction or radiations heat energy to stuffing box packing and electric actuator, to improve stuffing box packing working life, the safe operation of assurance electric actuator.
In technique scheme, adopting valve rod to add the weldering bellows component between the valve rod of described modulating valve and the valve gap seals, the valve gap stuffing box adopts the double sealing structure of V-type ring black box sealing, effectively improves the sealability of valve rod, avoids controlling the leakage of media.
In technique scheme, handwheel is equipped with at described electric actuator top, when final controlling element breaks down or cut off the power supply, but the keying of manual tune valve, assurance equipment normally moves.
The beneficial effect that the utility model brings is: valve mechanism compactness, control response speed be fast, it is highly sensitive to regulate, good seal performance, installation are easy to adjust.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the local enlarged diagram of control display device in the utility model.
Embodiment
Below in conjunction with accompanying drawing specific embodiment of the utility model is described further.
Among the embodiment as shown in Figure 1, the utility model is combined by temperature transducer 1, control display device 2, electric actuator 3 and modulating valve 4 four big parts.Electric actuator comprises support 31, final controlling element body 32, handwheel 33 and scale direction board 34, and modulating valve comprises adapter 41, lower valve base 42, spool 43, upper valve base 44, valve body 45, bellows component 46, valve gap 47, filler 48, Gland 49, valve rod 50 and gasket seal and coupling.
The modulating valve body adopts the three way valve that three communication port are arranged, the flow size that can regulate cold and hot two road media simultaneously.Upper valve base is fixed between the left and right sides valve pocket of valve body, and lower valve base is fixed in the tapped hole of adapter, and upper and lower valve seat and spool are taken over the lower end that is installed on valve body left side valve pocket with stud nut with conical surface contact seal.Adopt valve rod to add the weldering bellows component between valve rod and the valve gap, the double sealing structure of V-type ring elevated-temperature seal assembly is adopted in stuffing box packing, effectively improves the sealability of valve rod, avoids controlled media to leak.The valve gap excircle has radiating fin, improves the valve radiating effect, reduces conduction or radiation to stuffing box packing and electric actuator heat, to improve stuffing box packing working life, the safe operation of assurance electric actuator.
Electric actuator is fixed in the upper end of modulating valve valve gap by support, and the scale direction board is used to indicate the valve opening size, and handwheel is equipped with at its top, when final controlling element breaks down or cut off the power supply, but the manual tune valve open and close, assurance equipment normally moves.
Temperature transducer is according to the far and near adapted different length in detection position thermocouple capillaceous.
Control display device in the utility model becomes one control instrument and Displaying Meter as shown in Figure 2, has reduced the wiring of instrument cubicle, has dwindled overall volume, has also made things convenient for to use operation.The control display device has LED display, " setting " key in left side is used to set maximum and the minimum temperature value that needs are controlled temperature range with " max ", " min " key, " current " key is used to show detected current actual temperature value, and "+" on right side, "-" key are used to adjust the size of setting value.
Working principle of the present utility model is: by the control display device required control temperature is adjusted setting, by sensor with detected temperature signal, (the curtage control signal of DC 0~10V or DC 4~20mA) is input to final controlling element to convert the standard analog amount to, final controlling element is reacted and is produced action, drive regulation valve core and produce displacement, regulating valve open degree size, thereby control is input to heat exchanger, air-conditioning unit or other hot cold media flow with hot equipment, to reach the purpose of control apparatus outlet temperature.When load changes, regulate the flow size that cold and hot media enters controlled equipment by regulating and controlling opening of valves degree, to eliminate the influence that fluctuation of load causes, controlled temperature is returned within the setting range, be that flow control valve is used the typical case of domain of control temperature.

Claims (4)

1. electronic integrated temperature control adjusting valve, comprise temperature transducer (1), control display device (2), electric actuator (3) and modulating valve (4), electric actuator comprises support (31), final controlling element body (32), handwheel (33) and scale direction board (34), modulating valve comprises adapter (41), lower valve base (42), spool (43), upper valve base (44), valve body (45), bellows component (46), valve gap (47), filler (48), Gland (49), valve rod (50) and coupling is characterized in that temperature transducer, the control display device, electric actuator and modulating valve four big parts carry out integrated and are assembled into an integral body.
2. electronic integrated temperature control adjusting valve according to claim 1 is characterized in that: the valve rod of described modulating valve adopts the double sealing structure of band bellows and stuffing box packing.
3. electronic integrated temperature control adjusting valve according to claim 1, it is characterized in that: the excircle of described valve gap has radiating fin.
4. electronic integrated temperature control adjusting valve according to claim 1, it is characterized in that: handwheel is equipped with at the top of described electric actuator.
CN2011200533347U 2011-02-28 2011-02-28 Electric integrated temperature controlling valve Expired - Fee Related CN201944398U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200533347U CN201944398U (en) 2011-02-28 2011-02-28 Electric integrated temperature controlling valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200533347U CN201944398U (en) 2011-02-28 2011-02-28 Electric integrated temperature controlling valve

Publications (1)

Publication Number Publication Date
CN201944398U true CN201944398U (en) 2011-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200533347U Expired - Fee Related CN201944398U (en) 2011-02-28 2011-02-28 Electric integrated temperature controlling valve

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CN (1) CN201944398U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671948A (en) * 2013-12-25 2014-03-26 简阳市中原低温设备配套有限公司 Emergency shut-off valve with corrugated pipe
WO2018094662A1 (en) * 2016-11-24 2018-05-31 周玉春 Three-way change-over valve providing continuous flow
CN108561595A (en) * 2018-04-04 2018-09-21 杭州电子科技大学 A kind of ship scrubbing tower water-cooling system electric three-way thermostat valve
CN109681649A (en) * 2018-12-25 2019-04-26 兰控阀门执行器江苏有限公司 A kind of valve actuator being easily installed disassembly
CN112145787A (en) * 2020-09-10 2020-12-29 武汉艾络特科技有限公司 Valve core displacement variable control device of construction machinery

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103671948A (en) * 2013-12-25 2014-03-26 简阳市中原低温设备配套有限公司 Emergency shut-off valve with corrugated pipe
CN103671948B (en) * 2013-12-25 2016-08-24 简阳市中原低温设备配套有限公司 A kind of quick action emergency valve of band bellows
WO2018094662A1 (en) * 2016-11-24 2018-05-31 周玉春 Three-way change-over valve providing continuous flow
CN108561595A (en) * 2018-04-04 2018-09-21 杭州电子科技大学 A kind of ship scrubbing tower water-cooling system electric three-way thermostat valve
CN109681649A (en) * 2018-12-25 2019-04-26 兰控阀门执行器江苏有限公司 A kind of valve actuator being easily installed disassembly
CN112145787A (en) * 2020-09-10 2020-12-29 武汉艾络特科技有限公司 Valve core displacement variable control device of construction machinery

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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: 20110824

Termination date: 20170228