CN208091024U - A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve - Google Patents
A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve Download PDFInfo
- Publication number
- CN208091024U CN208091024U CN201721924566.9U CN201721924566U CN208091024U CN 208091024 U CN208091024 U CN 208091024U CN 201721924566 U CN201721924566 U CN 201721924566U CN 208091024 U CN208091024 U CN 208091024U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- hole
- inner ring
- block piece
- expansion valve
- 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.)
- Active
Links
Landscapes
- Temperature-Responsive Valves (AREA)
Abstract
The utility model discloses a kind of heating power expansion valve, including valve body, power head, the valve body have import the liquid phase refrigerant of evaporator by first passage and from evaporator lead to the gas phase refrigerant of compressor by second channel, the valve body further includes mounting hole, the mounting hole includes at least mounting hole side wall, and above second channel, the mounting hole is connected with the second channel, the power head is at least partially disposed at mounting hole, delay the heat-insulated block piece of expansion valve response time there are one being also set up in the mounting hole, the heat-insulated block piece has separated mounting hole and second channel.The utility model delays the response time of expansion valve, inhibits the phenomenon that air conditioning pressure vibrates by the way that heat-insulated block piece is arranged in mounting hole.
Description
Technical field
The utility model is related to throttle control field more particularly to a kind of heating power expansion valves and with the heating power expansion valve
Refrigeration system.
Background technology
In the refrigeration cycle of air-conditioning device, it is typically provided compressor, condenser, liquid reservoir, expansion valve and evaporator.Heat
Power expansion valve is the throttle part that air-conditioning and refrigeration equipment generally use, it can carry out the liquid refrigerant for carrying out condenser
It throttles and is depressured, and adjust the flow for the refrigerant for being sent into evaporator from condenser according to the temperature of evaporator outlet, with suitable
Answer the continually changing needs of cooling load.
Existing heating power expansion valve is opened and closed by the temperature and pressure of the refrigerant of power head sensing evaporator outlet side
Valve opening, and the cold medium flux conveyed to evaporator is controlled, so that refrigerant derived from evaporator has the scheduled degree of superheat.Swollen
In the valve body of swollen valve, it is formed with the first passage for making to import refrigerant from liquid reservoir to evaporator, and from evaporator to compression
Machine exports the second channel of refrigerant.The middle part of first passage is provided with valve opening, to adjust the spool of valve opening aperture.Valve body
Top, which is provided with, senses the temperature and pressure for the refrigerant for flowing through second channel to adjust the power head of valve opening aperture, the drive of power head
Power passes to spool by push rod.
However, the refrigerant of evaporator outlet side can constantly changed by environment, pressure and temperature, power head can be perceived
Push rod is constantly applied pressure to for temperature change so that push rod frequently pushes spool movement to adjust the aperture of valve opening, to draw
Play push rod vibration.
Therefore, it is necessary to be improved to existing technology, to solve the above technical problems.
Utility model content
The purpose of this utility model is to provide a kind of expansion valve that can inhibit valve body oscillation phenomenon.To realize above-mentioned mesh
, it adopts the following technical scheme that：A kind of heating power expansion valve, including valve body, power head, the valve body have the liquid for importing evaporator
Phase refrigerant by first passage and from evaporator lead to the gas phase refrigerant of compressor by second channel, the valve body also wraps
Mounting hole is included, the mounting hole includes at least mounting hole side wall, and above second channel, the mounting hole and second channel
Connection, the power head is at least partially disposed at the mounting hole, also sets up that there are one delay to expand response valve in the mounting hole
The heat-insulated block piece of time, the heat-insulated block piece have separated mounting hole and second channel.
The valve body is structure as a whole, and the power head includes upper cover, lower cover, driver blade, and the lower cover includes flat part
And bending part, at least part of the mounting hole side wall are equipped with bending part, the driver blade include major diameter portion and
The distance between central axis of lug boss, the bending part and power head is more than between lug boss and the central axis of power head
Distance.
The mounting hole further includes mounting hole bottom wall, and the mounting hole side wall and mounting hole bottom wall form step-like, definition
Mounting hole bottom wall is the boundary line of mounting hole.
The valve body further includes having push rod, the heat-insulated block piece include with can be inserted into push rod through-hole annular body,
Inner ring, outer shroud, the outer shroud, inner ring and through-hole may be contained within ontology and towards through-hole longitudinal direction extend, the through-hole top with
Inner ring inner peripheral surface is formed with stage portion, and the refrigerant flow region of cavity structure is formed between the inner ring and outer shroud；The outer shroud
On be additionally provided with flange, the flange is elastically supported on the inner wall of bending part, and the inner ring is around being located at around driver blade lug boss
Or inner ring inner peripheral surface and lug boss periphery wall portion abut against to form limit, the annular body includes peripheral part and bottom plate,
The peripheral part is abutted or is arranged close to mounting hole side wall, and the bottom plate prevents refrigerant to enter mounting hole from second channel.
The valve body further includes having push rod, the heat-insulated block piece include with can be inserted into push rod through-hole annular body,
Inner ring, outer shroud, the outer shroud, inner ring and through-hole may be contained within ontology and towards through-hole longitudinal direction extend, the through-hole top with
Inner ring inner peripheral surface is formed with stage portion, and the refrigerant flow region of cavity structure is formed between the inner ring and outer shroud；The outer shroud
On be additionally provided with flange, the flange is elastically supported on the inner wall of bending part, and the inner ring is around being located at around driver blade lug boss
Or inner ring inner peripheral surface and lug boss periphery wall portion abut against to form limit, the annular body includes peripheral part and bottom plate,
The peripheral part is abutted or is arranged close to mounting hole side wall, and the bottom plate prevents refrigerant to enter mounting hole from second channel.
Formed fluted between the bending part end and mounting hole bottom wall, the groove includes groove bottom wall, and edge
The extension of valve body longitudinal direction, described mounting hole side wall at least part forms the wall portion of groove bottom wall, the peripheral part setting
In a groove, the peripheral part abuts against or is arranged close to groove bottom wall to realize that limit, the bottom plate are supported with mounting hole bottom wall
It connects or is arranged close to, the bottom plate has blocked refrigerant to flow into mounting hole from second channel, and the height of the groove is not less than ring-type
The height of ontology, the heat-insulated block piece keep being relatively fixed in mounting hole.
Bottom plate described in the annular body is arranged close to and is formed space with mounting hole bottom wall, is also opened on the heat-insulated block piece
Equipped with equipped with hole, the hole is formed on the ontology between inner ring and outer shroud, and refrigerant flow region annular body throwing
In the domain of shadow zone, run through annular body, the quantity in the hole be one and more than one；
And/or hole setting is in inner ring circumference, the quantity in the hole be one and more than one；
And/or there are gaps between the push rod and the wall portion of heat-insulated block piece through-hole.
It is further opened with equipped with hole on the heat-insulated block piece, the hole is formed on the ontology between inner ring and outer shroud, is run through
Annular body, and in refrigerant flow region in the view field of annular body, the quantity in the hole be one and more than one；
And/or hole setting is in inner ring circumference, the quantity in the hole be one and more than one；
And/or there are gaps between the push rod and the wall portion of heat-insulated block piece through-hole.
The outer shroud may be arranged as multistage arc structure, be arranged for interval, and leaving certain gaps uncovered by the economic plan between each section of arc, described
Notch is additionally provided with opposite between adjacent outer shroud on the peripheral part of the annular body
A kind of air-conditioning system, including compressor, condenser, heating power expansion valve and evaporator, the heating power expansion valve are upper
State any one of them heating power expansion valve, when from evaporator outlet come out refrigerant only some refrigerant via second channel stream
Enter mounting hole.
Compared with prior art, the above-mentioned technical proposal of the utility model is reduced by the way that heat-insulated block piece is arranged in mounting hole
The rate of heat transfer of refrigerant, has delayed the response time of expansion valve, improves the stability of expansion valve work.
Description of the drawings
Fig. 1 is a kind of diagrammatic cross-section of embodiment of the utility model；
Fig. 2 is the enlarged diagram of part A shown in Fig. 1；
Fig. 3 is the diagrammatic cross-section of heat-insulated the first embodiment of block piece in Fig. 1
Fig. 4 is the vertical view of heat-insulated block piece in Fig. 1；
Fig. 5 is the partial perspective view of heat-insulated block piece in Fig. 1；
Fig. 6 is the diagrammatic cross-section of second of embodiment of heat-insulated block piece；
Fig. 7 is the vertical view of heat-insulated block piece in Fig. 6；
Fig. 8 is the diagrammatic cross-section of heat-insulated the third embodiment of block piece；
Fig. 9 is the vertical view of heat-insulated block piece in Fig. 8；
Figure 10 is the schematic top plan view of the 4th kind of embodiment of heat-insulated block piece；
Figure 11 is heat-insulated block piece stereogram in Figure 10.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
It please refers to Fig.1, Fig. 2, Fig. 1 shows that the diagrammatic cross-section of heating power expansion valve 100, Fig. 2 are the partial enlarged view of Fig. 1.
Heating power expansion valve 100 includes valve body 1, push rod 2, spool 3, regulating mechanism 4 and power head 5.For ease of description, here diagram
In valve body 1 be in top end be known as top, the end being below is known as bottom；The length direction of valve body 1 is known as
It is longitudinal, the direction with paper parallel and normal to the length direction of valve body 1 is known as laterally.
Power head 5 is fixed on 1 top of valve body, and regulating mechanism 4 is fixed on 1 bottom of valve body, and push rod 2 is located inside valve body 1, pushes away
2 one end of bar is fixed with power head 5, and the other end is fixed with regulating mechanism 4.
Valve body 1 is made of mental section such as aluminium section bar, is generally shaped like cuboid.In the side of valve body 1, it is equipped with
The liquid refrigerants first interface 11 of the high temperature and pressure imported from liquid reservoir side, and the low-temp low-pressure after expansion valve reducing pressure by regulating flow
Refrigerant to second interface 12 derived from evaporator；In addition, in the side of valve body 1, it is equipped with refrigerant after being evaporated in evaporator
The third interface 13 of importing, and the 4th interface 14 to compressor side export refrigerant.First interface 11 and second interface 12 are
The roughly cylindrical through-hole being laterally extended, is separately positioned on the opposite sides of 1 lower part of valve body；Through valve body 1 and first
A screw hole 102 is additionally provided between interface 11 and the 4th interface 14, screw hole 102 to be fixed with pipeline briquetting, to
Realize with the stabilization of the inlet ductwork, be reliably connected.In valve body 1, by first interface 11, second interface 12 and them are connected
Refrigerant passage constitute first passage 1a, first passage 1a therebetween be equipped with valve portion so that from first interface 11 import it is cold
Matchmaker nebulizes in the valve portion throttling expansion, and flows to evaporator via second interface 12.In addition, being connect by third interface the 13, the 4th
Mouth 14 and the second channel 1b (being equivalent to return flow line) for connecting their refrigerant passage composition, second channel 1b is substantially round
Cylindrical through-hole, lateral perforation will export to pressure on 1 top of valve body from the refrigerant that third interface 13 imports from the 4th interface 14
Contracting machine.
Power head 5 includes upper cover 51, lower cover 52, diaphragm 53, driver blade 54 and end socket 55, and diaphragm 53 is located at upper cover 51 under
Between lid 52, and upper cover 51 is fixedly installed with lower cover 52, such as by being welded and fixed.Top is divided by diaphragm 53 inside power head 5
Pressure duty room 56 and low pressure operating room 57, the upper pressure operating room 56 is interior to be filled with cold media gas, upper pressure
Operating room 56 is sealed by top end socket 55.
Driver blade 54 is located at 53 lower section of diaphragm, and driving force is via driver blade 54 and push rod 2 caused by the displacement of diaphragm 53
It is transmitted to spool 3, to control the opening and closing of valve portion.Driver blade 54 includes major diameter portion 541 and lug boss 542, and lug boss 542 is located at
Driver blade 54 deviates from the side of diaphragm 53, and a roughly cylindrical hole portion 543, push rod 2 are also formed among lug boss 542
One end be located at the hole portion 543, the other end is abutted with spool 3.Lower cover 52 includes flat part 521 and bending part 522, flat part
521 with 1 sealed set of valve body, such as heating power heating power expansion valve includes sealing element, and the sealing element can be located at flat part 521
A part of region between valve body 1 prevents leakage in refrigerant；The distance between bending part 522 and the central axis of power head 5 are more than
The distance between the central axis of lug boss 542 and power head 5.
The top of the valve body 1 is also formed with the mounting hole 101 of hollow cylindrical, and power head 5 is at least partially disposed at the peace
Fill hole 101.Mounting hole 101, which includes at least, mounting hole side wall 1011, and positioned at the top of second channel 1b, the mounting hole side
At least part of wall 1011 is equipped with bending part 522.
Further, mounting hole 101 can also include mounting hole bottom wall 1012, mounting hole side wall 1011 and mounting hole bottom
Wall 1012 forms step-like.Herein, there is certain distance apart from mounting hole bottom wall 1012 due to 522 end of bending part,
Fluted 1013 are formed on longitudinal direction along valve body 1, the groove 1013 includes groove bottom wall 1014, groove bottom wall 1014
It is opposite with slot opening.Wherein, mounting hole side wall 1011 extends along 1 longitudinal direction of valve body, and mounting hole side wall 1011 is at least
A part forms the wall portion of groove bottom wall 1014, and mounting hole bottom wall 1012 is the boundary line of mounting hole 101.
In order to make by the temperature of evaporator outlet refrigerant it is more slow pass to power head 5, change the speed of response, pacifying
Dress is additionally provided with heat-insulated block piece 6 in hole 101.Expansion valve with above structure, due to being provided with heat-insulated block piece 6, heat-insulated block piece 6
It blocks most of refrigerant and mounting hole 101 is entered by second channel 1b, avoid temperature of the power head 5 to evaporator outlet refrigerant
The more sensitive reaction of degree, and make frequently band movable valve plug 3 action of push rod 2, it is suppressed that the oscillation phenomenon of push rod 2；In addition, due to every
Hot block piece 6 has blocked mounting hole 101 so that second channel 1b forms substantially cylindrical through-hole, avoids swiftly flowing cold
Matchmaker enters mounting hole 101 and vortex is formed at 5 lower part of power head, to reduce flow noise.
It please refers to Fig.3 to Fig. 5, Fig. 3 is a kind of sectional view of embodiment of heat-insulated block piece 6, heat-insulated gear in Fig. 4 bitmaps 3
The vertical view of part 6 is the partial perspective view of heat-insulated block piece 6 in Fig. 5 Fig. 3.Heat-insulated block piece 6 includes with the logical of pluggable push rod 2
The annular body 61 in hole 64, inner ring 62, outer shroud 63, at this point, annular body 61, inner ring 62 and outer shroud 63 are continuous walls.Push rod 2
Across the through-hole 64, the outer shroud 63, inner ring 62 and through-hole 64 may be contained within ontology 61 and extend towards 64 longitudinal direction of through-hole,
64 top of the through-hole is formed with stage portion 641 with 62 inner peripheral surface of inner ring, and cavity structure is formed between the inner ring and outer shroud
Refrigerant flow region 65.
Specifically, heat-insulated block piece 6 is arranged in mounting hole 101, inner ring 62 around being located at around driver blade lug boss 542, or
The inner peripheral surface of person's inner ring 62 is abutted with 542 periphery wall portion of lug boss, forms limit, and the flange 631 on outer shroud 63 is elastically supported in
On the inner wall of 52 bending part 522 of lower cover, annular body 61 further includes having peripheral part 611 and bottom plate 613, and the setting of peripheral part 611 exists
It in groove 1031, abuts against or is arranged close to groove bottom wall 1014, bottom plate 613 abuts with mounting hole bottom wall 1012 or close to setting
It sets, bottom plate 613 has blocked refrigerant to flow into mounting hole 101 from second channel 1b, and the height of the groove 1013 is originally not less than ring-type
The height of body 61 highly refers to regulating mechanism 4 towards the direction of power head 5 herein.Herein, due to being provided with groove
1031 and stage portion 641 so that heat-insulated block piece 6 all forms limit on laterally and longitudinally, keeps relatively solid in mounting hole 101
It is fixed, avoid the refrigerant of high-speed motion by second channel 1b, heat-insulated block piece 6 formed and is impacted, cause heat-insulated block piece 6 shake and
Generate vibration and noise；Also, heat-insulated block piece 6 is avoided from installation due to being provided with mounting hole bottom wall 1012 in such mode
It falls off in hole 101.Further, camber can be arranged in above-mentioned flange 631, to form more uniform frictional force.
Here, heat-insulated block piece 6 is due to being arranged in mounting hole 101, on the one hand, if heat-insulated block piece 6 is from second channel 1b
It is outstanding, via when gas shape refrigerant flow at high speed, heat-insulated block piece 6 then becomes barrier, it is possible to can make in second channel 1b
At vibration or noise；On the other hand, the bottom plate 613 of heat-insulated block piece 6 blocks the entrance power head 5 of a large amount of refrigerants, delays significantly
Refrigerant enters mounting hole 101, reduces the speed for transmitting pressure and temperature to power head 5, improves Dynamic Matching performance, make
Expansion valve reaches best Dynamic Matching performance, can effectively inhibit oscillation phenomenon.
As other embodiment, the structure class of the heat-insulated block piece of present embodiment 6 is similar with the above embodiment, with reference to figure
6 and Fig. 7, Fig. 6 are the cross-sectional view of heat-insulated block piece 6, and Fig. 7 is the vertical view of heat-insulated block piece 6 shown in Fig. 6.It is described heat-insulated
Be further opened with hole 60 in the annular body 61 of block piece 6, which is circle, specifically, the hole 60 be formed in inner ring and outer shroud it
Between annular body on, run through annular body 61, and in refrigerant flow region 65 in the view field of annular body 61.Separately
Outside, space 104 is formed between annular body bottom plate 613 and mounting hole bottom wall 1012.At this point, refrigerant can be directly over space
104, mounting hole 101 is flowed by the hole 60 in annular body 61, refrigerant flow region 65, the quantity in hole 60 can be one or
It is multiple, can be it is multiple be uniformly distributed or uneven distribution, by the size and quantity of providing holes 60, and pass through providing holes 60
Size be adjusted into the coolant quantity of power head 5, delay refrigerant to enter mounting hole 101, reduce the transmission pressure to power head 5
With the speed of temperature.
Certainly, the shape in hole can be selected suitably, such as the other shapes such as triangle, rectangle and various irregular figures,
Also, the size and number in hole can also be determined according to the performance of system.
In addition, can also be there are gap 103 between the wall portion of the through-hole 64 of push rod 2 and above-mentioned heat-insulated block piece 6, refrigerant also may be used
Mounting hole 101 can be flowed into via the gap 103 from second channel 1b.
As another specific embodiment, the structure of the heat-insulated block piece 6 of present embodiment is generally similar to above-mentioned reality
Mode is applied, Fig. 8 and Fig. 9 are please referred to, Fig. 8 is the cross-sectional view of heat-insulated block piece 6, and Fig. 9 is heat-insulated block piece 6 shown in Fig. 8
Vertical view.The circumference in inner ring 62 can also be arranged in the hole 60, at this point, the wall of push rod 2 and the through-hole 64 of above-mentioned heat-insulated block piece 6
There are gap 103 between portion, with reference to shown in Fig. 8 and Fig. 9, the circumference in inner ring 62 is arranged in hole 60, in this way, refrigerant is from gap 103
Ostium 60, and then enter mounting hole 101；In addition gap 103 can not also be set, a small amount of refrigerant can also pass through heat-insulated block piece 6
Gap between mounting hole side wall 1011 enters mounting hole 101.Here since the circumference in inner ring 62 is provided with hole 60, also phase
The heat transfer speed of power head 5 is passed to that can reduce.
Certainly, the setting of 60 quantity of hole is not limited to one shown in figure, can be one or more or more, hole 60
The setting of depth and width can also carry out situation setting according to specific system, not be restricted herein.
In above two embodiment, hole 60 is centered on the center of through-hole 64, and 60 circular array of hole is distributed,
In this way, distribution is more uniformly distributed when refrigerant passes through heat-insulated block piece, the stability of heat-insulated block piece 6 is improved, is decreased because distributing not
The noise generated and vibration.It should be noted that above-mentioned hole 60 can be with combination settings, i.e., in refrigerant flow region 65 in ring
It is arranged in the view field of shape ontology 61, while is also arranged in the circumference of inner ring 62, certainly, the quantity and size in hole can basis
System is set.
Further, in the above embodiment, the outer shroud 63 of heat-insulated block piece 6 is a closed circular structure, heat-insulated block piece 6
Bottom plate 613 block the inflow of most of refrigerant, only only a part refrigerant flows into mounting hole 101 and therefore can also alleviate significantly
Refrigerant reduces noise and inhibits the phenomenon that air conditioning pressure vibration generates to the transmission pressure of power head 5 and the speed of temperature.
Please refer to Figure 10, Figure 11, outer shroud 63 may be arranged as multistage arc structure, for interval setting namely each section of arc it
Between leaving certain gaps uncovered by the economic plan 632, notch 632 is between adjacent outer shroud 63.Certainly, the arc of outer shroud 63 may be arranged as two sections and with
On, the size in arc length and gap can also be set according to system.In present embodiment, outer shroud 63 is made of three sections of arcs, and edge
It is circumferentially equidistant from setting annular body 61.
It is also provided with relative to 61 peripheral part 611 of annular body in addition, being additionally provided on the peripheral part 611 of annular body 61
The recessed portion 612 being retracted to axis direction forms space 104 between annular body bottom plate 613 and mounting hole bottom wall 1012, cyclic annular
Body peripheral portion 611 can or offset setting close with groove bottom wall 1014, help to ensure that the limit of heat-insulated block piece 6.At this point,
A part of refrigerant passes through space 104, recessed portion 612 and the groove bottom wall on mounting hole 101 derived from evaporator outlet end
Gap between 1014, then refrigerant flow region 65 is entered by the notch 632 of outer shroud 63, finally flow into mounting hole 101.
In addition, above-mentioned apply in mode, between the through-hole 64 of push rod 2 and heat-insulated block piece 6 can also there are the first gap 103,
Or/and refrigerant flow region 65 forms hole in the view field of annular body 61, or/and form hole on 62 periphery of inner ring
62.Here, between push rod 2 and the through-hole 64 of heat-insulated block piece 6 on the one hand the setting of clearance fit reduces push rod 2 and heat-insulated block piece 6
Frictional force, be on the other hand can also meet a part of refrigerant pass through gap 103 enter mounting hole 101 in.Heat-insulated block piece 6
Material can be plastic part, and plastic part has lower heat transfer efficiency, can reduce the rate of heat transfer of coolant media, slow down expansion
The response valve time；Further, heat-insulated block piece 6 can also be by being integrally formed.
What needs to be explained here is that in the respective embodiments described above, can be applied in combination between each embodiment, it is not limited to
A certain embodiment as long as the rate of heat transfer of coolant media can be reduced, slows down the expansion valve response time here, realizes to reduce and make an uproar
Sound and inhibition air conditioning pressure vibration, do not remake specifically and repeat.
Mainly mounting hole 101 is described including mounting hole side wall 1011 with the case where mounting hole bottom wall 1012 above,
In practice, mounting hole 101 can not also be arranged mounting hole bottom wall 1012 only include mounting hole side wall 1011 the case where, namely installation
Hole side wall 1011 is adjacent (close to the side of body top) with second channel 1b inner walls and forms certain angle, certainly above-mentioned heat-insulated
The various structures of block piece are also suitable such embodiment, also do not remake repeat here.It should be noted that since there is no installation
Hole bottom wall 1012, so the space 104 in above-mentioned second of embodiment is also not present.
The utility model also provides a kind of refrigeration system, including compressor, condenser, heating power expansion valve and evaporator, should
Heating power expansion valve uses the structure in embodiment as above.When refrigerant temperature and pressure derived from the evaporator outlet frequently change,
Since expansion valve is provided with heat-insulated block piece 6, the respective rate of expansion valve is slowed down, it is suppressed that the oscillation phenomenon of push rod；It uses
The refrigeration system of the expansion valve of above structure also has the effect of stable and with small vibration.
Since above-mentioned heating power expansion valve has technique effect as above, including the refrigeration system of the expansion valve also answers
Technique effect having the same, details are not described herein.
It should be noted that：Above example is merely to illustrate the utility model and not limits described by the utility model
Technical solution, although this specification has been carried out detailed description with reference to the above embodiments to the utility model, this
Field it is to be appreciated by one skilled in the art that person of ordinary skill in the field still the utility model can be carried out it is mutual
Combination, modification or equivalent replacement, and the technical solution of all spirit and scope for not departing from the utility model and its improvement,
It should cover in the right of the utility model.
Claims (10)
1. a kind of heating power expansion valve, including valve body, power head, the valve body have import the liquid phase refrigerant of evaporator by the
One channel and from evaporator lead to the gas phase refrigerant of compressor by second channel, the valve body further includes mounting hole, described
Mounting hole includes at least mounting hole side wall, and above second channel, and the mounting hole is connected with the second channel, the power
Head is at least partially disposed at mounting hole, also sets up that there are one delay the heat-insulated block piece of expansion valve response time, institute in the mounting hole
It states heat-insulated block piece and has separated mounting hole and second channel.
2. heating power expansion valve according to claim 1, which is characterized in that the valve body is structure as a whole, the power head
Including upper cover, lower cover, driver blade, the lower cover includes flat part and bending part, at least part of the mounting hole side wall with
Bending part is equipped with, and the driver blade includes major diameter portion and lug boss, the central axis of the bending part and power head it
Between distance be more than lug boss and power head the distance between central axis.
3. heating power expansion valve according to claim 2, which is characterized in that the mounting hole further includes mounting hole mounting hole bottom
Wall, the mounting hole side wall and mounting hole bottom wall formed it is step-like, define mounting hole bottom wall be mounting hole boundary line.
4. heating power expansion valve according to claim 2, which is characterized in that the valve body further includes having push rod, described heat-insulated
Block piece includes the annular body, inner ring, outer shroud of the through-hole with pluggable push rod, and the outer shroud, inner ring and through-hole may be contained within
Ontology simultaneously extends towards through-hole longitudinal direction, and the through-hole top is formed with stage portion, the inner ring and outer shroud with inner ring inner peripheral surface
Between formed cavity structure refrigerant flow region；Flange is additionally provided on the outer shroud, the flange is elastically supported in bending part
Inner wall on, the inner ring is around being located at around driver blade lug boss or inner ring inner peripheral surface and lug boss periphery wall portion abut against shape
At limit, the annular body includes peripheral part and bottom plate, and the peripheral part is abutted or is arranged close to mounting hole side wall, institute
Stating bottom plate prevents refrigerant to enter mounting hole from second channel.
5. heating power expansion valve according to claim 3, which is characterized in that the valve body further includes having push rod, described heat-insulated
Block piece includes the annular body, inner ring, outer shroud of the through-hole with pluggable push rod, and the outer shroud, inner ring and through-hole may be contained within
Ontology simultaneously extends towards through-hole longitudinal direction, and the through-hole top is formed with stage portion, the inner ring and outer shroud with inner ring inner peripheral surface
Between formed cavity structure refrigerant flow region；Flange is additionally provided on the outer shroud, the flange is elastically supported in bending part
Inner wall on, the inner ring is around being located at around driver blade lug boss or inner ring inner peripheral surface and lug boss periphery wall portion abut against shape
At limit, the annular body includes peripheral part and bottom plate, and the peripheral part is abutted or is arranged close to mounting hole side wall, institute
Stating bottom plate prevents refrigerant to enter mounting hole from second channel.
6. heating power expansion valve according to claim 5, which is characterized in that between the bending part end and mounting hole bottom wall
Formed fluted, the groove includes groove bottom wall, and is extended along valve body longitudinal direction, the mounting hole side wall at least one
Part forms the wall portion of groove bottom wall, and in a groove, the peripheral part is abutted against or leaned on groove bottom wall for the peripheral part setting
Nearly setting realizes that limit, the bottom plate are abutted or are arranged close to mounting hole bottom wall, and the bottom plate has blocked refrigerant logical from second
Road flows into mounting hole, and the height of the groove is not less than the height of annular body, and the heat-insulated block piece keeps phase in mounting hole
To fixation.
7. heating power expansion valve according to claim 6, which is characterized in that bottom plate described in the annular body and mounting hole bottom
Wall is arranged close to and is formed space, and hole is further opened on the heat-insulated block piece, and the hole is formed in the sheet between inner ring and outer shroud
On body, run through annular body, and in refrigerant flow region in the view field of annular body, the quantity in the hole be one and
More than one；
And/or hole setting is in inner ring circumference, the quantity in the hole be one and more than one；
And/or there are gaps between the push rod and the wall portion of heat-insulated block piece through-hole.
8. heating power expansion valve according to claim 4, which is characterized in that it is further opened with hole on the heat-insulated block piece, it is described
Hole is formed on the ontology between inner ring and outer shroud, run through annular body, and refrigerant flow region annular body projection
In region, the quantity in the hole be one and more than one；
And/or hole setting is in inner ring circumference, the quantity in the hole be one and more than one；
And/or there are gaps between the push rod and the wall portion of heat-insulated block piece through-hole.
9. according to claim 4-8 any one of them heating power expansion valves, which is characterized in that the outer shroud may be arranged as more
Section arc structure, is arranged, and leaving certain gaps uncovered by the economic plan between each section of arc, the notch is between adjacent outer shroud, the ring-type for interval
The recessed portion being retracted to axis direction relative to annular body peripheral part is additionally provided on the peripheral part of ontology.
10. a kind of air-conditioning system, including compressor, condenser, heating power expansion valve and evaporator, the heating power expansion valve is right
It is required that 1-9 any one of them heating power expansion valves, when the refrigerant come out from evaporator outlet only some refrigerant via second
Channel flows into mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924566.9U CN208091024U (en) | 2017-12-30 | 2017-12-30 | A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721924566.9U CN208091024U (en) | 2017-12-30 | 2017-12-30 | A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091024U true CN208091024U (en) | 2018-11-13 |
Family
ID=64065228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721924566.9U Active CN208091024U (en) | 2017-12-30 | 2017-12-30 | A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11879676B2 (en) | 2021-07-30 | 2024-01-23 | Danfoss A/S | Thermal expansion valve for a heat exchanger and heat exchanger with a thermal expansion valve |
-
2017
- 2017-12-30 CN CN201721924566.9U patent/CN208091024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11879676B2 (en) | 2021-07-30 | 2024-01-23 | Danfoss A/S | Thermal expansion valve for a heat exchanger and heat exchanger with a thermal expansion valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105485980B (en) | control valve | |
| US20180347920A1 (en) | Capacity modulating an expansion device of a hvac system | |
| CN105805218B (en) | A kind of Kind of MR Hydraulic Actuator damps controllable damper | |
| JP6178557B2 (en) | Flow control valve | |
| CN208091024U (en) | A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve | |
| CN106352100A (en) | Pressure operating valve and frozen cycle | |
| CN103673209A (en) | Control method of air conditioning system and air-conditioner control system thereof | |
| CN107238238B (en) | Throttling device and air conditioning system | |
| US20120068097A1 (en) | Method for operating a valve | |
| JP2013231571A (en) | Expansion valve | |
| CN109990509A (en) | A kind of heating power expansion valve and the refrigeration system with the heating power expansion valve | |
| JP2021536559A (en) | Flowing liquid film type evaporator | |
| CN103411357B (en) | Air-condition bidirectional throttle valve with three-time throttling and vibration damping function | |
| CN103363834B (en) | Plate heat exchanger and its fluid distributor, the control method of plate heat exchanger | |
| CN102589207A (en) | Refrigeration system and thermostatic expansion valve thereof | |
| CN101303179A (en) | Multiple-evaporator parallel type energy adjusting energy-saving air conditioner | |
| CN204460814U (en) | The refrigeration system of environmental test chamber | |
| CN104879967B (en) | Two-way electronic expansion valve | |
| CN205300356U (en) | Heat exchange copper pipe | |
| CN208671435U (en) | A kind of unidirectional refrigeration expansion valve of passive self-adaptive formula | |
| CN209943042U (en) | Oil suction pipe assembly with variable opening degree and compressor | |
| WO2019129064A1 (en) | Air-cooled refrigerator | |
| CN205300350U (en) | Combined internal thread copper pipe | |
| KR100304528B1 (en) | Solenoid valve for controlling thermal medium supply and bracket structure for installation of solenoid valve | |
| WO2022242720A1 (en) | Reversible solenoid valve and air conditioning unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |