CN1824983A - Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein - Google Patents
Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein Download PDFInfo
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- CN1824983A CN1824983A CN 200610007669 CN200610007669A CN1824983A CN 1824983 A CN1824983 A CN 1824983A CN 200610007669 CN200610007669 CN 200610007669 CN 200610007669 A CN200610007669 A CN 200610007669A CN 1824983 A CN1824983 A CN 1824983A
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Abstract
A flow rate control valve has a first opening (27) facing a valve chamber (25) of a valve housing (26); a second opening (29) where a valve seat (28) facing the valve chamber (25) of the valve housing (26) is formed; a valve body (30) movably held so as to close the second opening (29); and a drive means (31) for driving the valve body (30). Further, the valve body (30) has at least one restriction path (46); a first gap section (47) at whose center one end of the restriction path (46) is opened; a first port (51) for communicating an outer peripheral section of the first gap (47) and the valve chamber (25) of the valve housing (26); a second gap (48) at whose center the other end of the restriction path (46) is opened; and a second port (52) communicating with an outer peripheral section of the second gap (48) and facing the second opening (29).
Description
Technical field
The present invention relates to throttling arrangement and flow control valve and pack into the air bells conditioner of cooling medium peripheral passage of this flow control valve with identical throttling function.
Background technique
In having the air bells conditioner of dehumidification function, the a pair of indoor heat converter of well-known use, in the dehumidifying function that makes the indoor heat converter performance of upstream one side as condenser in service, make the function of the indoor heat converter performance of downstream one side simultaneously as vaporizer.Under the situation of operation that dehumidifies with such air bells conditioner,, on the other hand, indoor air is cooled off and dehumidify with the heat exchanger of downstream one side with the heat exchanger heats indoor air of upstream one side.Can indoor air temperature be reduced like this dehumidifies.In the air bells conditioner of this a pair of indoor heat converter of packing into, on the path of the cooling medium of the heat exchanger of indoor heat converter that connects upstream one side and downstream one side, installation has the flow control valve of throttling function, under the situation of operation that dehumidifies, be necessary the cooling medium path is remained on the state of throttling.
Under the situation of operation that dehumidifies, in the cooling medium path of the upstream of flow control valve one side, the cooling medium that becomes liquid and gas mixes the state that exists.Therefore at the cooling medium of gas phase state during by restriction, follow it pressure rapid change and produce harsh noise.For example open in 2003-202167 communique and the Te Kai 2003-065632 communique and disclose the technology that is used to reduce such noise the spy.Open in the 2003-202167 communique the spy, the penetrable material of porous material is housed, expand its refinement thereby suppress bubble explosion ground in outlet one side of restriction.Open in the 2003-065632 communique the spy, by the space many restricting orifices are overlapped, the noise that produces when making by restricting orifice carries out quiet in space buffer.
Open under the situation of disclosed existing flow control valve in the 2003-202167 communique the spy,, need and to become to a certain degree along the thickness setting of the penetrable material of the porous material of the flow direction of cooling medium for the quiet effect that obtains stipulating.Therefore in making the inlet spout flow control valve vertical with outlet nozzle, on the valve body of switch outlet nozzle one side, load onto the penetrable material of porous material, since with valve body with the outlet nozzle closed condition under, the penetrable material of cooling medium guiding restriction and porous material, so need form big bending to the cooling medium stream in flow control valve from the inlet spout to an opposite side with outlet nozzle.Its result produces the pressure loss, or the size of flow control valve itself becomes big.And because the cost of material height of the penetrable material of porous material, so become a reason of the cost increase that causes flow control valve itself.
This external spy opens in the 2003-065632 communique in the disclosed decompressor, need dispose many restricting orifices and space along the flow direction of cooling medium in upright arrangemently.Therefore in order to obtain sufficient quiet effect, wish the space of big volume is divided into multistage, so have the shortcoming that the size of decompressor maximizes.And in this decompressor, can not reduce the noise that cooling medium produces basically when the restricting orifice of the terminal section by downstream one side.
Summary of the invention
The purpose of this invention is to provide a kind of throttling arrangement and pack into the flow control valve of this throttling arrangement and air bells conditioner of this flow control valve of packing into the high quiet effect of low cost acquisition.
The throttling arrangement of the present invention's first mode is characterized in that, has at least one path of axisymmetric configuration; On the direction that the axis with respect to this path intersects, extend, and an end of this path is at the gap part of a central side opening; And the spout that is communicated with of the periphery of gap part therewith, the symmetry axis that described gap part is relevant to described path is divided into along the path of the fluid of radiation direction.
In the present invention, import to from spout at fluid under the situation of peripheral part of gap part, fluid is directed to the path of this central authorities' one side opening, and from then on the other end of path flows out.On the contrary, under the situation that fluid imports from the other end of path, fluid is by this path, from central authorities' one effluent of gap part to the spout that is communicated with its peripheral part.Under any circumstance, the restriction effect when utilizing by path causes that flow rate of fluid increases and pressure reduces.Particularly import from spout under the situation of peripheral part of gap part, cause that gradually the flow rate of fluid in path is flowed through gap part increases and the pressure reduction at fluid.And under the situation that fluid imports from the other end of path, fluid reduces at once gradually by flow velocity behind the path, and the pressure after reducing in gap part simultaneously becomes stable.
As adopt the throttling arrangement of first mode of the present invention, under the situation that fluid imports from the other end of path, restriction effect when utilizing by path, cause that flow rate of fluid increases and pressure reduces, this outer fluid reduces at once gradually by flow velocity behind the path, becomes stable in the gap part internal pressure simultaneously.Even its result is using under the situation of the fluid of gasification especially easily, just, produce by order in gap part, flowing behind the path by can instantaneous generation behind the path not following the expansion sound of gasification, can be quiet so compare with conventional device.On the contrary, make fluid under the situation of spout importing, flow rate of fluid is increased gradually, pressure reduces gradually simultaneously, in the guide path.
In the throttling arrangement of first mode of the present invention, preferably set for the interval along the gap part of path axis littler than the internal diameter of path.
Second mode of the present invention is a throttling arrangement, it is characterized in that, has at least one path of axisymmetric configuration; On the direction that the axis with respect to this path intersects, extend, and an end of this path is at the 1st gap part of a central side opening; The 1st spout that is communicated with of the periphery of the 1st gap part therewith; On the direction that the axis with respect to this path intersects, extend, and the other end of this path is at the 2nd gap part of a central side opening; And the 2nd spout that is communicated with of the periphery of the 2nd gap part therewith.
In the present invention, import from the 1st spout at fluid under the situation of peripheral part of the 1st gap part, fluid is directed to the path of this central authorities' one side opening, fluid by this path from central authorities' one effluent of the 2nd gap part to the 2nd spout that is communicated with this peripheral part.On the contrary, import from the 2nd spout at fluid under the situation of peripheral part of the 2nd gap part, fluid is directed to the path of this central authorities' one side opening, and fluid is by this path, from central authorities' one effluent of the 1st gap part to the 1st spout that is communicated with this peripheral part.Restriction effect when under any circumstance, utilizing by path causes that all flow rate of fluid increases and pressure reduces.And import from the 1st spout at fluid under the situation of peripheral part of the 1st gap part, fluid is by behind the path, and flow velocity reduces immediately gradually, and the pressure of Jiang Diing becomes stable in the 2nd gap part simultaneously.Equally, import from the 2nd spout at fluid under the situation of peripheral part of the 2nd gap part, fluid is by behind the path, and flow velocity reduces gradually, and the pressure of Jiang Diing becomes stable in the 1st gap part simultaneously.
As adopt the throttling arrangement of the 2nd mode of the present invention, the restriction effect when utilizing by path causes that flow rate of fluid increases and the pressure reduction, fluid by this path after flow velocity reduce gradually, the pressure of Jiang Diing becomes stable in gap part simultaneously.Even its result is using under the situation of the fluid of gasification especially easily, just, produce by order in gap part, flowing behind the path by can instantaneous generation behind the path not following the expansion sound of gasification, can be quiet so compare with conventional device.There is no need member in addition, can suppress the cost and the manufacture cost of these parts for the high porous material of quiet use price.
In the throttling arrangement of the 2nd mode of the present invention, preferably set for the interval along the 1st gap part of path axis littler than path internal diameter.In this case, when the 1st gap part flows into path, can be divided into forr a short time, can reduce the pressure variance that bubble produces by path the time being included in bubble in the fluid than the internal diameter of path at fluid.On the contrary, when fluid flows into the 1st gap part by path, utilize the restriction effect on this path, the flow velocity after fluid increases is slowly reduced again again, make pressure become stable simultaneously.
Equally, preferably set for the interval along the 2nd gap part of path axis littler than path internal diameter.In this case, when fluid flows into the 2nd gap part by path, utilize the restriction effect on this path, the flow velocity after fluid increases is slowly reduced again again, make pressure become stable simultaneously.On the contrary, when the 2nd gap part flows into path, can be divided into forr a short time, can reduce the pressure variance that bubble produces by path the time being included in bubble in the fluid than the internal diameter of path at fluid.
Also can divide with respect to the symmetry axis of path path at the 1st gap part along the fluid of radiation direction.In this case, can make along the size decreases of the axial throttling arrangement of path symmetry.
Equally, also can divide with respect to the symmetry axis of path path at the 2nd gap part along the fluid of radiation direction.In this case, can also make along the size of the axial throttling arrangement of path symmetry and further diminish.
The 3rd mode of the present invention is a flow control valve, has the valve bonnet that forms valve chamber in the inboard; Extend in the 1st direction, close on the 1st opening portion of the valve chamber of described valve bonnet; On the 2nd direction of intersecting with the 1st direction, extend, form the 2nd opening portion of the valve seat that the valve chamber with described valve bonnet closes on; Be overlapped on the valve seat of this 2nd opening portion, to close the mode of the 2nd opening portion, the valve body that on described the 2nd direction, can be supported movably; Be connected on the described valve bonnet, on described the 2nd direction, drive the drive unit of described valve body, in such flow control valve, it is characterized in that described valve body has at least one the throttling path with respect to the axis balanced configuration parallel with described the 2nd direction; Extend on the direction that the axis of throttling path intersects therewith, an end of this throttling path is at the 1st gap part of a central side opening; The 1st spout that is communicated with the valve chamber of the peripheral part of this 1st gap part and described valve bonnet; Extend on the direction that the axis of throttling path intersects therewith, the other end of this throttling path is at the 2nd gap part of a central side opening; And the peripheral part that is communicated with this 2nd gap part, the 2nd simultaneously relative spout with described the 2nd opening portion.
In the present invention, utilize drive unit to make valve body leave the valve seat of the 2nd opening portion, under the state that the 2nd opening portion opens wide, the 1st opening portion and the 2nd opening portion become connected state by the valve chamber of valve bonnet.Therefore irrelevant with the throttling path of in valve body, whether packing into, fluid free-flow between the 1st opening portion and the 2nd opening portion.
Relative therewith, utilize drive unit to make the valve seat overlap joint of valve body and the 2nd opening portion, under the 2nd opening portion closing state, import from the 1st spout by the 1st opening portion at fluid under the situation of peripheral part of the 1st gap part, fluid is directed to the throttling path of a side opening in the central, fluid is by this path, by being communicated with the 2nd spout of its peripheral part, flows to the 2nd opening portion from central authorities' one side of the 2nd gap part.On the contrary, import from the 2nd spout by the 2nd opening portion at fluid under the situation of peripheral part of the 2nd gap part, fluid is directed to the throttling path of a side opening in the central, fluid is by this throttling path,, flow by being communicated with the 1st spout of its peripheral part from central authorities' one side of the 1st gap part by the 1st opening portion.Under any circumstance, the 1st opening portion becomes connected state with the 2nd opening portion by the throttling path, and the restriction effect when utilizing by the throttling path causes that flow rate of fluid increases and pressure reduces.And fluid by the situation of the peripheral part of the 1st gap part that led from the 1st spout under, after fluid was just by the throttling path, flow velocity reduced gradually, simultaneously became stable in the 2nd gap part internal pressure.Equally, fluid by the situation of the peripheral part of the 2nd gap part that led from the 2nd spout under, after fluid was just by the throttling path, flow velocity reduced gradually, simultaneously became stable in the 1st gap part internal pressure.
As adopt flow control valve of the present invention, and can be at the obstructed circulation flow path of celebrating a festival, the state that the 1st opening portion and the 2nd opening portion are communicated with, and by the throttling path, switch in the state that the 1st opening portion and the 2nd opening portion are communicated with.This is external to make by the throttling path under the situation of the state that the 1st opening portion and the 2nd opening portion be communicated with, at fluid during by the throttling path, and the flow velocity increase, pressure reduces simultaneously, and after just passing through this throttling path, flow rate of fluid reduces gradually, becomes stable at gap part pressure simultaneously.Its result is under the situation of having used the fluid that gasifies especially easily, just by can instantaneous generation behind the path not following the expansion sound of gasification, produce by order in gap part, flowing behind the path, so even not for quiet and use the member of the high porous material of price, also can be quiet.And there is no need member for the high porous material of quiet use price, can suppress the cost and the manufacture cost of these parts.
In the flow control valve of the 3rd mode of the present invention, be overlapped at valve body under the situation on the valve seat of the 2nd opening portion, preferably the 1st spout is positioned at the zone of extending along the 1st direction of the fluid passage that is divided into by the 1st opening portion.In this case, fluid along the first direction smooth flow, can be eliminated the flow direction of following fluid and change the noise that produces between the fluid passage that is formed by the 1st spout and the 1st opening portion.
Valve body has a plurality of the 1st spouts, also can also have the rectification element of the annular of surrounding these the 1st spouts.In this case, particularly fluid even the 1st spout one by one is different apart from the distance of the 1st opening portion, also can make fluid pass through the flow homogenization of these the 1st spouts when the 1st opening portion one side direction the 1st spout flows.
Also can the 1st gap part be divided into respect to the symmetry axis of throttling path fluid passage along the radiation direction.In this case, can make along the size decreases of the valve body of the 2nd direction.
Equally, the 2nd gap part is divided into respect to the symmetry axis of the throttling path fluid passage along the radiation direction.In this case, more can make along the size decreases of the valve body of the 2nd direction.
Preferably set for the interval along the 1st gap part of the 2nd direction littler than the internal diameter of throttling path.In this case, when the 1st gap part flows into path, can be subdivided into forr a short time, can reduce the pressure variance that bubble produces by path the time being included in bubble in the fluid than the internal diameter of path at fluid.On the contrary, when fluid flows into the 1st gap part by the throttling path, utilize the throttling path that flow rate of fluid is slowly reduced, make pressure become stable simultaneously.
Equally, preferably set for the interval along the 2nd gap part of the 2nd direction littler than the internal diameter of throttling path.In this case, when fluid flows into the 2nd gap part by the throttling path, can utilize throttling that the flow velocity that fluid has increased is slowly reduced again, can make the pressure that has reduced become stable simultaneously.On the contrary, when the 2nd gap part flows into path, can be subdivided into forr a short time, can reduce the pressure variance that bubble produces by path the time being included in bubble in the fluid than the internal diameter of throttling path at fluid.
Under the state of the valve seat of valve body and the 2nd opening portion overlap joint, preferably the 2nd spout is at the valve base inner wall opening near the 2nd opening portion.In this case, when fluid flowed to the 2nd opening portion one side from the 2nd spout, fluid can flow along the valve base inner wall of the 2nd opening portion, can attempt interior Monday side liquid and outer Monday side the segregative fluid mixing of two-phase of gas.
The 4th mode of the present invention is characterised in that to have compressor; Outdoor heat converter; A pair of indoor heat converter; Order is by the peripheral passage of the cooling medium of these compressors, outdoor heat converter, a pair of indoor heat converter; And the flow control valve of the 3rd mode of the present invention of the peripheral passage that connects described a pair of indoor heat converter of packing into, the 1st opening of this flow control valve is connected indoor heat converter one side of joining with described outdoor heat converter, and the 2nd opening is connected another indoor heat converter one side of joining with described outdoor heat converter simultaneously.
In the present invention, common cooling unit is in service, flow control valve is in the state of opening valve, with the cooling medium of compressor compresses by outdoor heat converter, indoor heat converter, flow control valve, another indoor heat converter after, turn back to compressor again, carry out the operation of indoor cooling unit with a pair of indoor heat converter.And it is in service in dehumidifying, flow control valve is in the state of cut-off valve, become cooling medium from the mobile repressed state of an indoor heat converter to another indoor heat converter, make be present in indoor moisture and in a pair of indoor heat converter, separate out after, it is discharged to outdoor.
As adopt air bells conditioner of the present invention, according to the 2nd mode of the present invention that in the peripheral passage that connects a pair of indoor heat converter, is assembled with flow control valve, the 1st opening portion of flow control valve is connected indoor heat converter one side of joining with outdoor heat converter, the 2nd opening portion is connected another indoor heat converter one side of joining with outdoor heat converter, so can make at sound that passes through that passes through the cooling medium of flow control valve in service such as dehumidifying and reduce with simple and inexpensive structure.
Description of drawings
Fig. 1 is the schematic representation of a mode of execution of air bells conditioner of the present invention.
Fig. 2 is illustrated in to pack in the air bells conditioner shown in Figure 1 as the sectional drawing of dehumidifying with the brief configuration of a mode of execution of the flow control valve of throttle valve.
Fig. 3 is a dehumidifying shown in Figure 2 sectional drawing with the amplification of the extraction major component of throttle valve.
Fig. 4 is the sectional drawing of the IV-IV direction among Fig. 3.
Fig. 5 is the sectional drawing of brief configuration of the other mode of execution of expression flow control valve of the present invention.
Fig. 6 is the stereogram that the outward appearance of the nozzle plate in the flow control valve shown in Figure 5 is amplified the back expression.
Fig. 7 is the sectional drawing of brief configuration of other mode of executions of expression flow control valve of the present invention.
Fig. 8 is the stereogram of outward appearance of the front end of the valve body in the expression mode of execution shown in Figure 7.
Fig. 9 is the front view of the front end of valve body shown in Figure 8.
Figure 10 is the sectional drawing of brief configuration of the other mode of execution of expression flow control valve of the present invention.
Figure 11 is the sectional drawing of brief configuration of other mode of executions of expression flow control valve of the present invention.
Embodiment
With reference to Fig. 1～Figure 11 to flow control valve of the present invention is elaborated as the dehumidifying of the air bells conditioner mode of execution with throttle valve applications.The invention is not restricted to these mode of executions, its all changes and correction of further making up or being included in the notion of being put down in writing in the claim scope of the present invention all is fine, and other any technology that therefore belong to spirit of the present invention can certainly be used.
Fig. 1 represents the notion of the air bells conditioner of present embodiment.Just, air bells conditioner 10 in the present embodiment has the compressor 11 that the cooling medium of gas phase is compressed into high pressure conditions; By cooling medium supplying pipe 12 and cooling medium recurrent canal 13 4 spouts, the 2 position switching valves that are communicated with of compressor 11 (below be expressed as position control valve) 14 therewith; By cooling medium Circulation pipe 15 outdoor heat converter 16 that is communicated with of position control valve 14 therewith; By cooling medium Circulation pipe 17 the 1st indoor heat converter 18 that is communicated with of outdoor heat converter 16 therewith; Pack into the expansion valve midway 19 of the cooling medium Circulation pipe 17 that connects this 1st indoor heat converter 18 and outdoor heat converter 16; Pass through the 2nd indoor heat converter 22 that cooling medium Circulation pipe 20,21 is communicated with the position control valve 14 of the 1st indoor heat converter 18 and front respectively; As flow control valve of the present invention, the throttle valve 23 of dehumidifying midway of the cooling medium Circulation pipe 20 of pack into connection the 1st indoor heat converter 18 and the 2nd indoor heat converter 22; And be used for indoor air is imported described a pair of indoor heat converter 18,22, send indoor blowing fan 24 again.Have in addition according to the testing signal of the temperature transducer that does not have expression among the figure and the instruction that comes from operating switch, control the control gear of not representing among these compressors 11, position control valve 14, outdoor heat converter 16, a pair of indoor heat converter 18,22, expansion valve 19, the figure of dehumidifying with the action of throttle valve 23.
Position control valve 14 is in service at refrigerating operaton and heating, is used to switch the control valve that circulates direction of cooling medium.Therefore can switch at cooling unit running position and heating installation running position.Described cooling unit running position is that the cooling medium Circulation pipe 15 that cooling medium supplying pipe 12 is connected with outdoor heat converter 16 is communicated with, and the cooling medium Circulation pipe 21 that cooling medium recurrent canal 13 is connected with the 2nd indoor heat converter 22 is communicated with simultaneously; Described heating installation running position is that the cooling medium Circulation pipe 21 that cooling medium supplying pipe 12 is connected with the 2nd indoor heat converter 22 is communicated with, and the cooling medium Circulation pipe 15 that cooling medium recurrent canal 13 is connected with outdoor heat converter 16 is communicated with simultaneously.
Expansion valve 19 has the valve opening variable position and opens valve position in addition, described valve opening variable position is when cooling unit and heating installation operation, do not bring the phase change of the cooling medium by herein, carry out adiabatic expansion, become the state of low-temp low-pressure, the described valve position of opening cuts little ice to cooling medium when the dehumidifying operation, only is simply by it.
Dehumidifying can be switched in the position of position of opening valve and cut-off valve with throttle valve 23, and described position of opening valve is when cooling unit and heating installation operation, does not limit cooling medium flowing between a pair of heat exchanger 18,22; The position of described cut-off valve is in service in dehumidifying, to the flow restriction of the cooling medium between the 1st indoor heat converter 18 and the 2nd indoor heat converter 22.
In common cooling unit operating mode, dehumidifying is in the position of opening valve with throttle valve 23, cooling medium is pressed the direction of arrow circulation among Fig. 1, carries out heat exchange between the cooling medium of the low-temp low-pressure by a pair of indoor heat converter 18,22 and indoor air, makes indoor cooling.
In the refrigerated dehumidification operating mode, switch to respectively position control valve 14 still in the refrigerating operaton position, expansion valve 19 is the position of cut-off valve for position, the dehumidifying of opening valve with throttle valve 23, identical with the cooling unit operating mode of front, cooling medium is pressed the direction of arrow circulation among Fig. 1.In this case, because expansion valve 19 is in the position of opening valve, so directly import the 1st indoor heat converter 18 by the ratio higher temperatures of outdoor heat converter 16 and the cooling medium of high pressure, between this 1st indoor heat converter 18 and indoor air, cause the heat exchange of heating indoor air.On the other hand, at 2nd indoor heat converter 22 of the dehumidifying that is arranged in closed condition,, be cooled at the indoor air that carries out heat exchange therewith between the 2nd indoor heat converter 22 owing to import the cooling medium of low-temp low-pressure with downstream one side of throttle valve 23.Therefore pass through the 2nd indoor heat converter 22 with indoor air dehumidification, by the 1st indoor heat converter 18 indoor air is heated simultaneously, can prevent to reduce at dehumidifying indoor air temperature in service.
In the heating operation pattern, dehumidifying is in the position of opening valve with throttle valve 23, remove flowing of cooling medium in cooling medium supplying pipe 12 and cooling medium recurrent canal 13, cooling medium is by the direction opposite with the direction of arrow among Fig. 1 circulation, carries out heat exchange between the cooling medium of the High Temperature High Pressure by a pair of indoor heat converter 18,22 and indoor air.
Fig. 2 is the cross-section structure that throttle valve 23 is used in the dehumidifying in the expression present embodiment under opening the state of valve, and Fig. 3 is the state of extracting out after its major component is amplified of opening valve, and Fig. 4 represents the section shape of its IV-IV direction.When just, the dehumidifying in the present embodiment is no electric circuit with throttle valve 23 so-called open type electromagnetic drive modes of opening the state of valve.This dehumidifying has the valve bonnet 26 that forms valve chamber 25 in the inboard with throttle valve 23; Extend the 1st opening portion 27 of the valve chamber 25 of close valve bonnet 26 in the 1st direction (left and right directions among Fig. 2); In the 2nd direction (above-below direction among Fig. 2) extension of the 1st direction intersection therewith, formation is near the 2nd opening portion 29 of the valve seat 28 of the valve chamber 25 of valve bonnet 26; On the valve seat 28 that is overlapped on this 2nd opening portion 29, the mode that the 2nd opening portion 29 is closed is bearing in the valve body 30 on the 2nd direction movably; Be connected on the valve bonnet 26, on the 2nd direction, drive the drive unit 31 of valve body 30.On the position of opening valve shown in Figure 2 that valve body 30 leaves from valve seat 28, the 1st opening portion 27 and the 2nd opening portion 29 25 one-tenth connected states of valve chamber by valve bonnet 26, on the contrary, be pressed at housing 30 on the position of the cut-off valve shown in Figure 3 on the valve seat 28, the 1st opening portion 27 and the 2nd opening portion 29 are communicated with by the throttling arrangement of narrating later in the valve body 30 of packing into.
The cooling medium circulation pipe arrangement 20 that is communicated with a pair of indoor heat converter 18,22 is connected on the 1st and the 2nd opening portion 27,29 of valve bonnet 26 by pipe- fitting joint 32,33 respectively, become the 1st opening portion 27 and be communicated with, the state that the 2nd opening portion 29 is communicated with the 2nd indoor heat converter 22 1 sides with the 1st indoor heat converter 18 1 sides.Valve chamber 25 across valve bonnet 26, the bottom of the guide cylinder 34 that extends along the 2nd direction is bonded on an opposite side of the 2nd opening portion 29, the columnar collar 36 that surrounds the bottom that is in the valve portion 35 that forms on the front end of the valve body 30 of opening the valve state is equipped with in the inboard of the bottom of this guide cylinder 34.This collar 36 becomes the state that is fixed on the inward flange 37 that forms on the valve bonnet 26, and its front-end face is in valve chamber 25.With the end of the 2nd pipe-fitting joint 33 opposite directions from the outstanding guide cylinder 34 of valve bonnet 26, tightly be bumped into the stick harness of blocking in this guide cylinder 34 38.
Central authorities at Rectifier plate 44 form the throttling path 46 that extends in parallel with the 2nd direction, comprise this throttling path 46, constitute the throttling arrangement of present embodiment before and after it.Between the bottom surface of this Rectifier plate 44 and recess 43, the direction of intersecting with respect to the axis of throttling path 46 forms the 1st gap part 47, described the 1st gap part 47 is extending with respect to the almost rectangular direction of the 2nd direction in the present embodiment, between this external Rectifier plate 44 and the nozzle plate 45, also the direction of intersecting at the axis with respect to throttling path 46 forms the 2nd gap part 48, and described the 2nd gap part 48 is extending with respect to the almost rectangular direction of the 2nd direction in the present embodiment.The interval along the 2nd direction of these the 1st and the 2nd gap parts 47,48 (height of above-below direction among Fig. 3) is set for narrower than the internal diameter of throttling path 46 respectively.Usually general preferably these be configured at interval to be too narrow to throttling path 46 internal diameter about 1/4, its reason is because the variation of the stream sectional area between throttling path 46 and the 1st, the 2nd gap part 47,48 is the most level and smooth.From quiet viewpoint, we can say preferably and set these narrowly as far as possible at interval.Two gap parts 47,48 that are communicated with throttling path 46 both sides are divided into the slit-shaped cooling medium path that the axis with respect to throttling path 46 extends in Vertical direction, so the noise that produces at throttling path 46 is difficult to propagate laterally from the periphery of two gap parts 47,48, can obtain good quiet performance.
In the present embodiment, on the inwall of recess 43, form stepped part 49,, form the 1st gap part 47 by Rectifier plate 44 is fixed on this stepped part 49.On the end face of the Rectifier plate 44 that this external and nozzle plate 45 are faced mutually, remove its peripheral edge,, form the 2nd gap part 48 by forming concavity part 50, has the 2nd gap part 48 of the thickness corresponding interval of pad therewith by air ring being clipped between Rectifier plate 44 and the nozzle plate 45, also can forming.
Bottom in the valve portion 35 of valve rod 41, one end is at the outer circumferential face opening of valve rod 41, be formed on a plurality of the 1st spouts 51 of interior all openings of recess 43 simultaneously radially at the other end, these the 1st spouts 51 are communicated with the peripheral part of the 1st gap part 47 and the valve chamber 25 of valve bonnet 26.Therefore the 1st gap part 47 is divided into respect to the axis of throttling path 46 fluid passage along the radiation direction.So in the present embodiment, axis with respect to valve rod 41, form a plurality of the 1st spouts 51 radially, make the 1st spout 51 form the circular arc opening that extends along the circumferencial direction of valve rod 41 but also can make, so that can provide or discharge more substantial cooling medium with respect to the peripheral part of the 1st gap part 47.Or also can with respect to the inwall of the 1st gap part 47 on the direction that tangent direction is extended, form a plurality of the 1st spouts 51, make cooling medium in the 1st gap part 47, form rotational flow.
Described rectification element 42 be configured to the to be separated by gap of annular, surround these the 1st spouts 51 outer Monday side opening end, by the gap that between valve rod 41 and rectification element 42, forms, valve chamber 25 connections of the 1st spout 51 and valve bonnet 26.By surround with this rectification element 42 the 1st spout 51 outer Monday side opening end, can make the inflow or the state of the outflow homogenization of the cooling medium in the 1st all spouts 51, and with range-independence apart from the 1st opening portion 27.Owing in throttling path 46, produce and block by rectification element 42, help quiet in addition to the 1st spout 51 noise transmitted.
In addition in the present embodiment, be overlapped at the conical outer circumferential face of the valve portion 35 of valve rod 41 on the position of the cut-off valve shown in Figure 3 on the valve seat 28 of the 2nd opening portion 29, the opening end of the 1st spout 51 outer Monday of side, be configured to be positioned on the regional Z of edge by the 1st direction extension of the cooling medium path of the 1st opening portion 27 divisions, so do not make the fluid flow direction that between the 1st spout 51 and the 1st opening portion 27, flows produce strong bending, can almost keep lineal shape, thus can be quiet.
Be communicated with the 2nd gap part 48 peripheral parts, a plurality of the 2nd spouts 52 of facing mutually with the 2nd opening portion 29 simultaneously, along the circumferential direction the interval with regulation forms ring-type on nozzle plate 45, and therefore the 2nd gap part 48 is divided into respect to the axis of throttling path 46 fluid passage along the radiation direction.The circular arc slotted hole that also can be used in the circumferencial direction extension in addition forms these the 2nd spouts 52.
The drive unit 31 of the valve body 30 in the present embodiment is to use electromagnetic coil 53, has the coil rack 54 of this electromagnetic coil 53 of packing into; And this coil rack 54 and the sealed together resin 55 of electromagnetic coil 53 bury, and is fixed on the shell 57 of the frame shape on the stick harness 38 by bolt 56.Be drawn out to outside cable 58 from electromagnetic coil 53 by sealing resin 55, be connected on the power supply by the on/off circuit that does not have expression among the figure.Coil rack 54 is configured to surround piston 39 by guide cylinder 34, makes the electromagnetic force of piston 39 to valve bonnet 26 1 side shiftings when being created in energising.
In the guide cylinder 34 between the bottom of the described collar 36 and piston 39, the compression helical spring 59 of packing into makes valve body 30 lift off a seat 28.During therefore to electromagnetic coil 53 no electric circuits, the 1st opening portion 27 and the 2nd opening portion 29 do not pass through valve body 30, and become connected state by the valve chamber 25 of valve bonnet 26.
As mentioned above, electromagnetic coil 53 conductings when the dehumidifying operation, the spring force of antagonism compression helical spring 59, to the power of valve body 30 effects to the 2nd opening portion 29 1 sides, this valve portion 35 is overlapped on the valve seat 28, becomes the state of cut-off valve shown in Figure 3.Flow into the cooling medium of the gas-liquid two-phase in the valve chamber 25 of valve bonnets 26 thereupon from the 1st opening portion 27, flow into the peripheral part of the 1st gap part 47 from the gap of valve rod 41 and rectification element 42 by the 1st spout 51.From then on be compressed once more along with entering the radial direction inboard then, gross blowhole is cut apart, and flows into the throttling path 46 of central authorities, is compressed the cooling medium of regulation flow the 2nd opening portion 29 1 sides that lead once more at this.The cooling medium that imports the 2nd gap part 48 from throttling path 46 becomes radial diffusion to the radial direction outside, but because the interval of the 2nd gap part 48 is narrow, suppresses its rapid expanding, and expands lentamente, flows out to the 2nd opening portion 29 from the 2nd spout 52.Its result can be the noise suppression that produces with air bubble expansion to low level.
In the stream that gas-liquid two-phase mixes, become the state of bubble adhesion on the stream inwall, the stream sectional area is actual to narrow down, and worries to diminish cooling medium and flows smoothly.In the present embodiment, near the inwall of the 2nd opening portion 29 opening is arranged near the opening end of the 2nd spout 52 of the 2nd opening portion 29 1 sides, make the effect that flows attached to the bubble on the 2nd opening portion 29 inwalls so the cooling medium that flows to the 2nd opening portion 29 from the 2nd spout 52 brings.From such viewpoint, making the 2nd spout 52 also is effective towards the inwall inclination of the 2nd opening portion 29.
In described mode of execution, flow control valve of the present invention is used with throttle valve 23 as dehumidifying, also go for expansion valve 19, particularly useful as the throttling arrangement of the cooling medium stream in the freeze cycle.
In a single day be mixed with fine foreign matters in the cooling medium in cool cycles path 20, such foreign matter is blocked in the throttling path 46 that forms on the Rectifier plate 44, and worry can not be brought into play the normal function of dehumidifying with throttle valve 23.For fear of such rough sledding, preferably be provided for catching the filter with formation such as porous members of foreign matter in the upstream of this throttling arrangement one side.
Fig. 5 represents according to such viewpoint, the cross-section structure of the major component of other mode of executions of flow control valve of the present invention, and Fig. 6 is for amplifying the outward appearance of its nozzle plate of back expression.But make identical symbol with the key element note of the mode of execution identical function of front, omitted the explanation that repeats.Just, the mode with at the peripheral part opening of the bottom end of valve portion 35 and the 1st gap part 47 forms the 1st spout 51 in the present embodiment.Be bumped into bottom one side of the valve portion 35 of valve rod 41 with the columnar filter 60 that forms with wire netting, it is overlapped on the bottom end of this valve portion 35.Cover the mode of the 1st spout 51 fully with end face one side of filter 60, the caulking part 61 that another end face of filter 60 utilizes the periphery at valve rod 41 to form is fixed in the valve portion 35, forms one.In the present embodiment, between another end face of caulking part 61 and filter 60 pressure ring 62 is housed, another end face that pay close attention to filter 60 is essential factor caulking part 61 and sustaining damage not.In addition on a part of peripheral end edge of nozzle plate 45 in the present embodiment, with and interior week of recess 43 between form the 2nd spout 52 mode form notch part 63.This notch part 63 and interior week of recess 43 between form the 2nd spout 52.From such viewpoint, also can make 45 one-tenth polygons of nozzle plate or gear shape.
Therefore from the cooling medium of the 1st opening portion 27,, can stop foreign matter to flow into throttling path 46 1 sides by catching foreign matter with filter 60 during the filter 60 by filter 60 importings the 1st spout 51.In the present embodiment, compare, can make inwall one side of more close the 2nd opening portion 29 of opening end of the 2nd spout 52 that faces the 2nd opening portion 29, can make more reliably attached to the bubble on the 2nd opening portion 29 inwalls and flow with the mode of execution of front.
In described two mode of executions, the riveted joint of the front end of valve portion 35, Rectifier plate 44 and nozzle plate 45 are fixed on the recess 43, make valve portion 35 be independent of valve rod 41, also can make it have the function of nozzle plate 45.
Fig. 7 represents that according to such viewpoint, the cross-section structure of the major component of other mode of executions of flow control valve of the present invention, Fig. 8 are represented the outward appearance of the front end of valve body 30, and Fig. 9 amplifies its front shape for expression.But make identical symbol with the key element note of the mode of execution identical function of front, omitted the explanation that repeats.Just the front end of valve rod 41 in the present embodiment forms the flange 64 that a plurality of the 1st spouts 51 are set.At the peripheral end edge of this flange 64, the valve member 65 that bottom one side is riveted be formed for packing into the recess 43 of Rectifier plate 44.Between the front-end face of Rectifier plate 44 and valve rod 41, form the 1st gap part 47 with this recess 43.In front-end face one side, form the supporting plate portion 66 of holding it in the mode of the concavity part 50 that crosses Rectifier plate 44 near the valve member 65 of the 2nd opening portion 29 1 sides.Utilize front end one side of this supporting plate 66 at the recess 43 of valve member 65, formation is that the center is separated by 180 degree relatively with the axis of valve rod 41, do opening in the arc-shaped respectively, the part of concavity part 50 that faces the Rectifier plate 44 of this open part is brought into play the function of a pair of the 2nd spout 52.
By valve rod 41 and valve member 65 are separated, can do valve member 65 outer peripheral portions that face the 2nd opening portion 29 1 sides more level and smooth.Can more correctly control the direction of the cooling medium that goes out to the 2nd opening portion 29 1 effluents from the 2nd spout 52 thus, can more effectively peel off attached to the bubble on the 2nd opening portion 29 inwalls.
In described mode of execution, form a throttling path 46 in the central authorities of Rectifier plate 44 in mode with the axis coaxle of valve rod 41, the axis that also can be symmetrical in the 2nd opening portion 29 forms a plurality of throttling paths 46.Figure 10, Figure 11 represent to adopt the cross-section structure of major component of the other mode of execution of this flow control valve of the present invention respectively.But make identical symbol with the key element note of the mode of execution identical function of front, omitted the explanation that repeats.
It is a plurality of throttling paths 46 of symmetry axis that mode of execution shown in Figure 10 has with the axis of valve rod 41.These throttling paths 46 outside the bottom end of the valve portion 35 of valve rod 41 front ends Monday side and the recess 43 bottom central part openings of valve portion 35.On recess 43, forming the 2nd gap part 48 therewith between the bottom surface, simultaneously the nozzle plate 45 that forms the 2nd spout 52 is fixed on and inwall between.On the valve rod 41 between piston 39 and the valve portion 35, and the bottom end of valve portion 35 between form the 1st gap part 47, simultaneously be used for that the conical liner 67 of making of clamping filter 60 is set in and the peripheral edge of valve portion 35 between.
In the present embodiment, the bottom end of valve portion 35 is tilted in cone shape mode, set the path-length along the cooling medium of radial direction longly as far as possible, also can set the bottom end of valve portion 35 for the axis of vertical the 2nd opening portion 29.
In addition in the present embodiment, make the valve bonnet 26 of front by the corrosion resistant plate punch process.Have in addition with guide cylinder 34 and be the cover main body 68 of one and the valve seat platform 69 that is formed with the 2nd opening portion 29 of valve seat 28, be used for the supporting plate 70 that doing of positioning ring 36 circularize in addition and fix with the state that is riveted on cover main body 68.In this case, cover main body 68, valve seat platform the 69, the 1st and the 2nd pipe-fitting joint 32,33 all for example in the stove of hydrogen atmosphere, fuse with soldering, and their soldering part is represented with symbol 71 respectively.In the present embodiment, because the function of the 1st pipe-fitting joint 32 performances the 1st opening portion there is no need to form the 1st opening portion on cover main body 68.
Therefore under the state of cut-off valve, from the cooling medium of the 1st pipe-fitting joint 32 by filter 60, the 1st spout 51 guiding throttling paths 46 that circularize of doing from the 1st gap part 47 peripheries that between the bottom end of valve portion 35 and liner 67, form, by the 2nd gap part 48, flow to the 2nd opening portion 29 1 sides from the 2nd spout 52.
On the other hand, mode of execution shown in Figure 11 forms annular jet plate 45, is set in from the outstanding axle 72 in the bottom surface of valve portion 35, and it is riveted into one.In the present embodiment, between the outer circumferential face of the inwall of recess 43 and nozzle plate 45, form the 2nd spout 52 of annular, do the 2nd spout 52 that circularizes interior wall opening by making, be concerned about the cooling medium that from then on flows out and blow out to the inwall of the 2nd opening portion 29 towards the 2nd opening portion 29.Its result can more effectively peel off attached to the bubble on the 2nd opening portion 29.Form the 2nd gap part 48 between the bottom surface of recess 43 and nozzle plate 45, a plurality of throttling paths 46 are at the bottom opening of valve portion 35.
Also be that cooling medium flows to the radial direction inboard at the 1st gap part 47 in the present embodiment, behind throttling path 46, flow to the radial direction outside at the 2nd gap part 48 again, final inwall along the 2nd opening portion 29 flows out from the 2nd spout 52.Much less, filter 60 also helps the rectification effect of cooling medium except catching foreign matter.
Claims (16)
1. throttling arrangement is characterized in that having:
At least one path of axisymmetric configuration;
On the direction that the axis with respect to this path intersects, extend, and an end of this path is at the gap part of a central side opening; And
The spout that is communicated with of the periphery of gap part therewith,
Described gap part forms along the path of the fluid of radiation direction extension with respect to the symmetry axis of described path.
2. throttling arrangement according to claim 1 is characterized in that, sets for the interval along the described gap part of the axis of described path littler than the internal diameter of described path.
3. throttling arrangement is characterized in that having:
At least one path of axisymmetric configuration;
On the direction that the axis with respect to this path intersects, extend, and an end of this path is at the 1st gap part of a central side opening;
The 1st spout that is communicated with of the periphery of the 1st gap part therewith;
On the direction that the axis with respect to this path intersects, extend, and the other end of this path is at the 2nd gap part of a central side opening; And
The 2nd spout that is communicated with of the periphery of the 2nd gap part therewith.
4. throttling arrangement according to claim 3 is characterized in that, sets for the interval along described the 1st gap part of the axis of described path littler than the internal diameter of described path.
5. according to claim 3 or the described throttling arrangement of claim 4, it is characterized in that, set for the interval along described the 2nd gap part of the axis of described path littler than the internal diameter of described path.
6. according to claim 3 or the described throttling arrangement of claim 4, it is characterized in that described the 1st gap part forms along the path of the fluid of radiation direction with respect to the symmetry axis of described path.
7. according to claim 3 or the described throttling arrangement of claim 4, it is characterized in that described the 2nd gap part forms along the path of the fluid of radiation direction with respect to the symmetry axis of described path.
8. flow control valve is characterized in that having:
Form the valve bonnet of valve chamber in the inboard;
Extend in the 1st direction, face the 1st opening portion of the valve chamber of described valve bonnet;
The 2nd opening portion, it extends on the 2nd direction according to the mode of intersecting with the 1st direction, forms the valve seat of facing mutually with the valve chamber of described valve bonnet;
Be overlapped on the valve seat of this 2nd opening portion,, can be bearing in the valve body on described the 2nd direction movably to close the mode of the 2nd opening portion; And
Be connected on the described valve bonnet, on described the 2nd direction, drive the drive unit of described valve body,
Described valve body has:
At least one throttling path with respect to the axis balanced configuration parallel with described the 2nd direction;
On the direction that the axis of throttling path intersects therewith, extend, and an end of this throttling path is at the 1st gap part of a central side opening;
The 1st spout that is communicated with the valve chamber of the peripheral part of this 1st gap part and described valve bonnet;
Extend on the direction that the axis with described throttling path intersects, the other end of this throttling path is at the 2nd gap part of a central side opening; And
The peripheral part that is communicated with this 2nd gap part, the 2nd simultaneously relative spout with described the 2nd opening portion.
9. flow control valve according to claim 8, it is characterized in that, be overlapped at described valve body under the situation on the valve seat of described the 2nd opening portion, described the 1st spout is positioned at the zone of extending along described the 1st direction of the fluid passage that is divided into by described the 1st opening portion.
10. flow control valve according to claim 8 is characterized in that, described valve body has a plurality of described the 1st spouts, also has the rectification element of the annular of surrounding these the 1st spouts.
11. flow control valve according to claim 8 is characterized in that, described the 1st gap part forms along the path of the fluid of radiation direction with respect to the symmetry axis of described throttling path.
12. flow control valve according to claim 8 is characterized in that, described the 2nd gap part forms along the path of the fluid of radiation direction with respect to the symmetry axis of described throttling path.
13. flow control valve according to claim 8 is characterized in that, sets for the interval along described the 1st gap part of described the 2nd direction littler than the internal diameter of described throttling path.
14. flow control valve according to claim 8 is characterized in that, sets for the interval along described the 2nd gap part of described the 2nd direction littler than the internal diameter of described throttling path.
15. flow control valve according to claim 8 is characterized in that, under the state of the valve seat of described valve body and described the 2nd opening portion overlap joint, the inwall of the valve seat of described the 2nd spout and described the 2nd opening portion is opening closely.
16. an air bells conditioner is characterized in that having:
Compressor; Outdoor heat converter; A pair of indoor heat converter; Order is by the peripheral passage of the cooling medium of these compressors, outdoor heat converter, a pair of indoor heat converter; And the claim 8 of the peripheral passage that connects described a pair of indoor heat converter of packing into each described flow control valve to the claim 15,
The 1st opening portion of this flow control valve is connected indoor heat converter one side of joining with described outdoor heat converter, and the 2nd opening portion is connected another indoor heat converter one side of joining with described compressor simultaneously.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005045873 | 2005-02-22 | ||
| JP2005045873 | 2005-02-22 | ||
| JP2005205889 | 2005-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1824983A true CN1824983A (en) | 2006-08-30 |
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ID=36935776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610007669 Pending CN1824983A (en) | 2005-02-22 | 2006-02-17 | Restriction device, flow rate control valve, and air conditioner having the flow rate control valve assembled therein |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1824983A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619991A (en) * | 2011-01-30 | 2012-08-01 | 浙江三花股份有限公司 | Refrigeration system and electromagnetic valve of refrigeration system |
| CN102900876A (en) * | 2011-07-26 | 2013-01-30 | 霍斯特蒂勒工程机械液压设备有限公司 | Pipe-break valve device |
| CN109405373A (en) * | 2018-10-31 | 2019-03-01 | 上海爱斯达克汽车空调***有限公司 | Throttle more mouthfuls of expansion valve components and the vehicles |
| CN111379892A (en) * | 2018-12-27 | 2020-07-07 | 株式会社鹭宫制作所 | Valve device and refrigeration cycle system |
| CN114562602A (en) * | 2020-11-27 | 2022-05-31 | 株式会社鹭宫制作所 | Electric valve |
-
2006
- 2006-02-17 CN CN 200610007669 patent/CN1824983A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619991A (en) * | 2011-01-30 | 2012-08-01 | 浙江三花股份有限公司 | Refrigeration system and electromagnetic valve of refrigeration system |
| CN102900876A (en) * | 2011-07-26 | 2013-01-30 | 霍斯特蒂勒工程机械液压设备有限公司 | Pipe-break valve device |
| CN102900876B (en) * | 2011-07-26 | 2014-08-06 | 霍斯特蒂勒工程机械液压设备有限公司 | Pipe-break valve device |
| CN109405373A (en) * | 2018-10-31 | 2019-03-01 | 上海爱斯达克汽车空调***有限公司 | Throttle more mouthfuls of expansion valve components and the vehicles |
| CN109405373B (en) * | 2018-10-31 | 2023-12-19 | 上海爱斯达克汽车空调***有限公司 | Throttle multi-port expansion valve assembly and vehicle |
| CN111379892A (en) * | 2018-12-27 | 2020-07-07 | 株式会社鹭宫制作所 | Valve device and refrigeration cycle system |
| CN111379892B (en) * | 2018-12-27 | 2021-12-21 | 株式会社鹭宫制作所 | Valve device and refrigeration cycle system |
| CN114562602A (en) * | 2020-11-27 | 2022-05-31 | 株式会社鹭宫制作所 | Electric valve |
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Open date: 20060830 |