CN202188171U - Throttling electric three-way regulating valve - Google Patents
Throttling electric three-way regulating valve Download PDFInfo
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- CN202188171U CN202188171U CN 201120249997 CN201120249997U CN202188171U CN 202188171 U CN202188171 U CN 202188171U CN 201120249997 CN201120249997 CN 201120249997 CN 201120249997 U CN201120249997 U CN 201120249997U CN 202188171 U CN202188171 U CN 202188171U
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- throttling
- outlet
- valve
- electric
- spool
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Abstract
The utility model relates to a throttling electric three-way regulating valve applicable to a union system for heating and cooling. A throttling element is arranged in a throttling cavity; a valve core is arranged in a shunt cavity; an electromagnetic actuating mechanism pushes a valve needle to move along the axial direction by a push rod so as to change the opening degree of a throttling hole and control the depth of throttling; and an electric actuating mechanism is connected with the valve core by an output shaft, and the valve core generates angle displacement along the actions of the electric actuating mechanism so as to change the distribution relationship between two shunt holes and an outlet B as well as an outlet C, and to control the flow distribution ratio between the outlets B and C. The regulating valve is more stable than a thermostatic expansion valve in the regulating range, has a larger regulating range, can reasonably distribute the circulation amount of refrigerating agents in main and auxiliary loops, and due to the throttling and the flow distributing-regulating integrated structure, the throttling electric three-way regulating valve simplifies the pipeline structure of a hot water unit of a heat pump air conditioner, reduces the number of pipeline valves, reduces the costs for manufacturing products and maintenance, and lowers the danger of working medium leakage, so that the hot water unit of the heat pump air conditioner can be more energy-saving and environment-friendly.
Description
Technical field
The utility model relates to the control unit of the association system that is used to heat and freezes, and relates in particular to a kind of throttling electric three passes modulating valve that is applicable to heat pump unit.
Background technique
Along with the progressively popularization of heat pump heating and hot water unit, existing throttle valve, expansion valve and control valve can not adapt to the requirement of heat pump unit.China's utility application " three-way throttle valve " (one Chinese patent application numbers 201010620279.5; Publication number CN102072601) disclose a kind of three-way throttle valve that is applied to the heat pump hot-water air conditioner group, a plurality of one-way valves that connected by three-limb tube and the reverse throttling of unidirectional conducting and superpressure diverter valve are formed.This valve is failed the automatic adjusting of the throttling degree of depth and the distribution that solves heat pump working medium under different operating modes and is regulated problem.China's utility model patent " the automatic three-way control valve of temperature control " (Chinese utility model patent ZL00236504.9, publication number CN2424340) discloses the automatic three-way control valve of a kind of temperature control, is made up of a constant temperature regulator and a three-way valve.The inside of constant temperature regulator is a bellows bellows that has a small amount of thermally sensitive liquid, is provided with an adjustable lever in it.Adjustable lever moves down under the effect of temp-sensing liquid, and then upper valve rod and lower valve rod are moved down to realize the regulation and control to horizontal run and vertical run.The purpose of design of this three-way control valve is to utilize the expansive force of temp-sensing liquid to realize the flow of heating hot-water valve is regulated automatically according to preset temperature, and its principle and structure all can not be used to solve the working medium flow distribution and the control problem of heat pump.
The model utility content
The purpose of the utility model is that a kind of throttling electric three passes modulating valve will be provided, and solves existing throttle valve and expansion valve and can not regulate the throttling degree of depth automatically, can not distribute the technical problem of control to the working medium circulating load of heat pump unit.
The utility model solves the problems of the technologies described above the technological scheme that is adopted:
A kind of throttling electric three passes modulating valve comprises electric actuator, valve body, spool, inlet A, outlet B and outlet C, it is characterized in that:
Described throttling electric three passes modulating valve also comprises electromagnetic actuator and one group of throttle element; Described valve inner is provided with the throttling chamber and shunting chamber that interconnects, and described throttle element places in the throttling chamber, and described spool places in the shunting chamber.Described throttle element is made up of valve plate, needle and needle spring; Described valve plate is provided with throttle orifice over against the position in needle axle center; Described needle is fixed on the valve body through the needle spring; Fluid through inlet A entering valve body gets into the throttling chamber through throttle orifice on the valve plate and the gap between the needle, gets into the shunting chamber through intercommunicating pore.Described electromagnetic actuator promotes needle through push rod and moves vertically, changes the aperture of throttle orifice, the control throttling degree of depth.Described spool is a solid of rotation that is provided with the one-in-and-two-out split channel, gets into split channel from the fluid in throttling chamber through the shunting chamber, is assigned to outlet B and outlet C through two split-flow openings.Described electric actuator is connected to described spool through output shaft, and spool produces angular displacement with the action of electric actuator, changes the relations of distribution between two split-flow openings and outlet B and the outlet C, the assignment of traffic ratio between control outlet B and the outlet C.
A kind of preferable technological scheme of the throttling electric three passes modulating valve of the utility model is that the angular displacement of said spool and the assignment of traffic relation between outlet B and the outlet C meet the following conditions: if spool goes to the neutral position, the assignment of traffic ratio between outlet B and the outlet C respectively is 50%; If outlet C flow becomes big, then export the B flow and reduce, it is equal with the percentage that increases that two outlets reduce; If outlet B standard-sized sheet then exports C and closes; If outlet C standard-sized sheet then exports B and closes.
A kind of better technological scheme of the throttling electric three passes modulating valve of the utility model is also to be provided with the throttling calibrating element on the described valve body; Described needle spring is installed on the throttling calibrating element; Through regulating the setting height(from bottom) of throttling calibrating element change needle spring and needle; Regulate the primary clearance of needle and throttle orifice, calibrate the initial throttling degree of depth.
The further improved technological scheme of the throttling electric three passes modulating valve of the utility model is that described modulating valve also is provided with the traffic alignment element; Through regulating described traffic alignment element; The orientation angle of change spool when electric actuator is in initial position, the distribution of initial flow ratio between calibration outlet B and the outlet C.
The beneficial effect of the utility model is:
The throttling electric three passes modulating valve of the utility model is realized the control of the throttling degree of depth through the throttle element that the control of electromagnetism controlling mechanism is set; Solve existing throttle valve and expansion valve and can not regulate the problem of the throttling degree of depth automatically; Its regulation range is more stable than heating power expansion valve; Regulation range is wider, has solved present heating power expansion valve simultaneously and has mainly designed to air conditioning condition, the problem of the demand of the operating conditions that the incompatibility heat pump water-heating machine is annual.
The spool of the throttling electric three passes modulating valve of the utility model through the motorized adjustment mechanism controls is set combines with valve body; Realization distributes the function of control to the working medium circulating load of two passages; This modulating valve is used for the heat pump air-conditioning hot water group; Circulating mass of refrigerant that can the major-minor loop of reasonable distribution makes the refrigeration agent in the major-minor loop after the adjusting more meet the requirement of vaporizer and economizer, makes system reach higher operational efficiency.
The throttling electric three passes modulating valve of the utility model adopts throttling and assignment of traffic to regulate integral structure; Can simplify the pipeline structure of heat pump air-conditioning hot water group greatly; Reduce the quantity of pipe valve; Not only can reduce product manufacturing and maintenance cost, can also reduce the danger of refrigerant leakage, make the environmental protection and energy saving more of heat pump air-conditioning hot water group.
Description of drawings
Fig. 1 is the throttling cavity configuration schematic representation of the throttling electric three passes modulating valve of the utility model;
Fig. 2 is the shunting cavity configuration schematic representation of the throttling electric three passes modulating valve of the utility model;
Fig. 3 is that the spool angular displacement and the assignment of traffic of the throttling electric three passes modulating valve of the utility model concerns schematic representation.
The label of each parts in more than scheming: 1-valve body, 2-needle, 3-needle spring, 4-throttling calibrating element, 5-valve plate, 6-throttle orifice; The 7-push rod, 8-intercommunicating pore, 9-electromagnetic actuator, 10-electric actuator, 11-spool; 12-output shaft, 13-traffic alignment element, the A-A that enters the mouth, B-exports B, and C-exports C; A0-throttling chamber, A1-shunts the chamber, A2-split channel inlet, B2-split-flow opening, C2-split-flow opening.
Embodiment
In order to understand the technique scheme of the utility model better, describe in detail further below in conjunction with accompanying drawing and embodiment.
First embodiment of the throttling electric three passes modulating valve of the utility model is as depicted in figs. 1 and 2, comprises electric actuator 10, valve body 1, spool 11, inlet A, outlet B and outlet C, also comprises electromagnetic actuator 9 and one group of throttle element.Valve body 1 inside is provided with the throttling chamber A0 and shunting chamber A1 that interconnects, and one group of throttle element places in the A0 of throttling chamber, and spool 11 places in the shunting chamber A1, referring to the broken section position of Fig. 1.Throttle element is made up of valve plate 5, needle 2 and needle spring 3, and valve plate 5 is provided with throttle orifice 6 over against the position in needle axle center, and needle 2 is fixed on the valve body 1 through needle spring 3.Fluid through inlet A entering valve body gets into throttling chamber A0 through the gap between throttle orifice on the valve plate 56 and the needle 2, gets into the shunting chambeies through intercommunicating pore 8.Electromagnetic actuator 9 promotes needle 2 through push rod 7 and moves vertically, the gap between adjustment needle 2 and the throttle orifice 6, the aperture of change throttle orifice 6, the control throttling degree of depth.
Spool 11 is solid of rotation that are provided with the one-in-and-two-out split channel, gets into split channel inlet A2 from the fluid of throttling chamber A0 through shunting chamber A1, is assigned to outlet B and exports C through split-flow opening B2 and split-flow opening C2.Electric actuator 10 is connected to described spool 11 through output shaft 12; Spool 11 produces angular displacement with the action of electric actuator 10; Change the relations of distribution between split-flow opening B2 and split-flow opening C2 and outlet B and the outlet C; Assignment of traffic ratio between control outlet B and the outlet C is referring to the broken section position of Fig. 2 and Fig. 3.
The electromagnetic actuator 9 of the throttling electric three passes modulating valve of the utility model can adopt the YE of electromagnet or straight journey, and scheme is to adopt proportion electro-magnet as electromagnetic actuator preferably.Proportion electro-magnet is as the electromechanical conversion element, and its function is the current signal that proportional control apparatus is provided, and converts the output of displacement or force signal to, as continuously, the dynamical element of motion, speed and the direction of final control element pari passu.The thrust of proportion electro-magnet is big, and is simple in structure, easy to maintenance, with low cost.The thrust of proportion electro-magnet in its rated travel scope is directly proportional with the electric current that feeds its coil, that is to say that the aperture of throttle orifice 6 and the input voltage of proportion electro-magnet or current signal are proportional relation.
The electric actuator 10 that the throttling electric three passes modulating valve of the utility model is adopted is proportion expression angle stroke YEs.YE is to adopt motor and speed reducer to come the actuator of mobile valve; The input signal of YE is the curtage signal of standard; Electric actuator can be divided into straight journey, angle stroke and how rotatable etc. three types by displacement, is divided into two types of proportion expression, integral types by the relation of input signal and output property.The angle displacement of proportion expression angle stroke YE is directly proportional with input voltage or current signal, that is to say, the angular displacement of spool 11 and the input voltage of YE or current signal are proportional relation.
Fig. 3 is that the spool angular displacement and the assignment of traffic of the throttling electric three passes modulating valve of the utility model concerns schematic representation; Spool split channel that is shown by Fig. 2 and Fig. 3 broken section and the position of outlet relation can be found out; Split-flow opening B2 and outlet B form a passage; Split-flow opening C2 and outlet C form second passage, and the angle between the center line of split-flow opening B2 and split-flow opening C2 is less than the angle β between the center line of outlet B and outlet C, when valve core rotation; Assignment of traffic relation between two passages changes with the angular displacement of spool; Assignment of traffic relation between the angular displacement of spool and outlet B and the outlet C meets the following conditions: if spool goes to the neutral position, the assignment of traffic ratio between outlet B and the outlet C is 50% respectively, referring to Fig. 2; Along with spool clockwise rotates from the neutral position, the center line of the center line of split-flow opening B2 and outlet B near, the flow of outlet B becomes big, the flow of outlet C reduces, the percentage that outlet B increases and outlet C reduces equates; When spool rotates to the position of split-flow opening B2 and the central lines of outlet B, outlet B standard-sized sheet, outlet C closes, referring to Fig. 3; Otherwise when spool rotated to the position of split-flow opening C2 and the central lines of outlet C, outlet C standard-sized sheet then exported B and closes.
Also be provided with throttling calibrating element 4 on the valve body 1 of the throttling electric three passes modulating valve of the utility model shown in Figure 1; In the present embodiment, throttling calibrating element 4 is made up of the nuts and bolt that is fixed on the valve body 1, and needle spring 3 is fixed on the bolt; Bolt through precession or back-out throttling calibrating element 4; Change the setting height(from bottom) of needle spring 3 and needle 2, regulate the primary clearance between needle 2 and the throttle orifice 6, calibrate the initial throttling degree of depth.
The throttling electric three passes modulating valve of the utility model shown in Figure 1 also is provided with traffic alignment element 13, through regulating traffic alignment element 13, can change the orientation angle of spool 11 when electric actuator 10 is in initial position.In the present embodiment; Spool 11 is connected on the output shaft 12 through the locking joint sleeve; Change the locked position of spool through traffic alignment element 13, can change the initial angle displacement of spool, the distribution of initial flow ratio between calibration outlet B and the outlet C in original state.
Those of ordinary skill in the art will be appreciated that; Above embodiment only is the technological scheme that is used for explaining the utility model; And be not the qualification that is used as the utility model; Any connotation based on the utility model is to variation, modification that the above embodiment did, all will drop in the protection domain of claim of the utility model.
Claims (6)
1. a throttling electric three passes modulating valve comprises electric actuator, valve body, spool, inlet A, outlet B and outlet C, it is characterized in that:
Described throttling electric three passes modulating valve also comprises electromagnetic actuator and one group of throttle element;
Described valve inner is provided with the throttling chamber and shunting chamber that interconnects, and described throttle element places in the throttling chamber, and described spool places in the shunting chamber;
Described throttle element is made up of valve plate, needle and needle spring; Described valve plate is provided with throttle orifice over against the position in needle axle center; Described needle is fixed on the valve body through the needle spring; Fluid through inlet A entering valve body gets into the throttling chamber through throttle orifice on the valve plate and the gap between the needle, gets into the shunting chamber through intercommunicating pore;
Described electromagnetic actuator promotes needle through push rod and moves vertically, changes the aperture of throttle orifice, the control throttling degree of depth;
Described spool is a solid of rotation that is provided with the one-in-and-two-out split channel, gets into split channel from the fluid in throttling chamber through the shunting chamber, is assigned to outlet B and outlet C through two split-flow openings;
Described electric actuator is connected to described spool through output shaft, and spool produces angular displacement with the action of electric actuator, changes the relations of distribution between two split-flow openings and outlet B and the outlet C, the assignment of traffic ratio between control outlet B and the outlet C.
2. throttling electric three passes modulating valve according to claim 1 is characterized in that described electromagnetic actuator is a proportion electro-magnet, and the aperture of said throttle orifice and the input voltage of proportion electro-magnet or current signal are proportional relation.
3. throttling electric three passes modulating valve according to claim 1 is characterized in that described electric actuator is an angle stroke YE, and the angular displacement of said spool and the input voltage of YE or current signal are proportional relation.
4. throttling electric three passes modulating valve according to claim 3; It is characterized in that the angular displacement of said spool and the assignment of traffic relation between outlet B and the outlet C meet the following conditions: if spool goes to the neutral position, the assignment of traffic ratio between outlet B and the outlet C respectively is 50%; If outlet C flow becomes big, then export the B flow and reduce, it is equal with the percentage that increases that two outlets reduce; If outlet B standard-sized sheet then exports C and closes; If outlet C standard-sized sheet then exports B and closes.
5. according to the described throttling electric three passes of the arbitrary claim modulating valve of claim 1 to 4; It is characterized in that also being provided with on the described valve body throttling calibrating element; Described needle spring is installed on the throttling calibrating element; Through regulating the setting height(from bottom) of throttling calibrating element change needle spring and needle, the primary clearance of regulating needle and throttle orifice is calibrated the initial throttling degree of depth.
6. according to the described throttling electric three passes of the arbitrary claim modulating valve of claim 1 to 4; It is characterized in that described modulating valve also is provided with the traffic alignment element; Through regulating described traffic alignment element; The orientation angle of change spool when electric actuator is in initial position, the distribution of initial flow ratio between calibration outlet B and the outlet C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120249997 CN202188171U (en) | 2011-07-15 | 2011-07-15 | Throttling electric three-way regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120249997 CN202188171U (en) | 2011-07-15 | 2011-07-15 | Throttling electric three-way regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188171U true CN202188171U (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120249997 Expired - Lifetime CN202188171U (en) | 2011-07-15 | 2011-07-15 | Throttling electric three-way regulating valve |
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| Country | Link |
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| CN (1) | CN202188171U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230549A (en) * | 2011-07-15 | 2011-11-02 | 江苏天舒电器有限公司 | Electric three-way throttling regulating valve |
| CN103711972A (en) * | 2013-12-13 | 2014-04-09 | 四川大学 | Two-position three-way pilot control valve driven by motor |
-
2011
- 2011-07-15 CN CN 201120249997 patent/CN202188171U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230549A (en) * | 2011-07-15 | 2011-11-02 | 江苏天舒电器有限公司 | Electric three-way throttling regulating valve |
| CN103711972A (en) * | 2013-12-13 | 2014-04-09 | 四川大学 | Two-position three-way pilot control valve driven by motor |
| CN103711972B (en) * | 2013-12-13 | 2015-12-09 | 四川大学 | The motor-driven two-position three way pilot-actuated valve of a kind of employing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120411 Effective date of abandoning: 20120919 |