CN103363834B - Plate heat exchanger and its fluid distributor, the control method of plate heat exchanger - Google Patents
Plate heat exchanger and its fluid distributor, the control method of plate heat exchanger Download PDFInfo
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- CN103363834B CN103363834B CN201210092955.5A CN201210092955A CN103363834B CN 103363834 B CN103363834 B CN 103363834B CN 201210092955 A CN201210092955 A CN 201210092955A CN 103363834 B CN103363834 B CN 103363834B
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Abstract
The invention discloses a kind of fluid distributor for plate heat exchanger, every two neighboring plate (201) of the plate heat exchanger cooperatively forms tubulose assignment channel (1), and the tubulose assignment channel (1) is equipped with the dispensing orifice (11) that the coolant channel (202) is flowed into for refrigerant in the position of the coolant channel (202) corresponding to the plate heat exchanger；The fluid distributor includes driving part (2) and the execution unit (3) of the openings of sizes of the dispensing orifice (11) is adjusted under the driving of the driving part (2).The plate heat exchanger can adjust the pressure and temperature of refrigerant, ensure refrigerant even into heat exchanger channels, improve the heat exchange stability of plate heat exchanger.The invention also discloses a kind of plate heat exchanger for including above-mentioned fluid distributor, and the control method of plate heat exchanger, has same effect.
Description
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of plate heat exchanger and its stream for the said equipment
Body distributor.The invention further relates to a kind of control method of plate heat exchanger.
Background technology
Plate heat exchanger is a kind of heat exchanger compact-sized, efficiency is higher, is widely used in power, chemical industry, food, sky
Adjust, in the industry such as heat supply and machinery, it or new energy equipment such as UTILIZATION OF VESIDUAL HEAT IN, Solar use, seawater utilization, geothermal utilization
In key device.
Plate heat exchanger is stacked by modes such as bolt or welding by the stamping forming thin plate sheet of multi-disc and formed, multiple plates
Piece is separated to form alternate coolant channel and heat transfer fluid channels, and is equipped with refrigerant inlet and Re Jiao in one end of heat exchanger
Changing fluid outlet, the other end of heat exchanger is equipped with corresponding refrigerant outlet and heat exchange fluid inlet, in the course of work, refrigeration
Agent and heat-exchange fluid flow through heat exchanger in the opposite both sides of every piece of plate, realize heat exchange.
Plate heat exchanger is widely used within air-conditioning systems with its superior performance, it is used as evaporating
Device, condenser and applied in other non-phase change thermal conditions.Air-conditioning system generally include compressor, condenser, evaporator,
The components such as throttle part, reservoir.Throttle part mainly includes two kinds of capillary and expansion valve, and expansion valve is in air-conditioning system circuit
In be arranged on the input terminal of evaporator, play a part of reducing pressure by regulating flow, i.e. control flows into the refrigerant flow of evaporator, reduces and flows into
The refrigerant pressure of evaporator, evaporation is expanded beneficial to liquid refrigerant in evaporator.
However, refrigerant is after expansion valve reducing pressure by regulating flow, the part carburation by evaporation before evaporator is flowed into, because
Distribute uneven in this coolant channel between each plate of evaporator, some coolant channel inner refrigerant liquid is more, has
Coolant channel inner refrigerant gas it is more, cause that plate heat exchanger heat exchange is uneven, and overall heat exchange coefficient reduces, heat exchange property
It is unstable.Under serious situation, such as when refrigerant is water, the water in coolant channel can even freeze, and cause heat exchanger
Function lose.
In view of this, it would be highly desirable to for above-mentioned technical problem, the structure of the fluid distributor of existing plate heat exchanger is carried out
Further optimization design, makes it to adjust the pressure and temperature of refrigerant and refrigerant into coolant channel
Carburation by evaporation before, ensures that refrigerant is uniformly flowed into each coolant channel, so as to improve the coefficient of heat transfer of plate heat exchanger
With heat exchange stability.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of fluid distributor for plate heat exchanger, the plate-type heat-exchange
Device can adjust the pressure and temperature of refrigerant and before coolant channel is entered carburation by evaporation occurs for refrigerant,
Ensure that refrigerant is uniformly flowed into coolant channel, so as to improve the coefficient of heat transfer and heat exchange stability of plate heat exchanger.This hair
Bright another to be solved technical problem is to provide a kind of plate heat exchanger for including above-mentioned fluid distributor, and plate-type heat-exchange
The control method of device.
In order to solve the above technical problems, the present invention provides a kind of fluid distributor for plate heat exchanger, it is described board-like
Every two neighboring panel fits of heat exchanger form tubulose assignment channel, and the tubulose assignment channel is corresponding to described board-like
The position of the coolant channel of heat exchanger is equipped with the dispensing orifice that the coolant channel is flowed into for refrigerant；The fluid distributor
The execution unit of the openings of sizes of the dispensing orifice is adjusted including driving part and under the driving of the driving part.
Preferably, the driving part includes the output revolving shaft being arranged concentrically with the tubulose assignment channel；The execution
Component includes the baffle being arranged in the tubulose assignment channel, and the baffle includes setting along the radial direction of the tubulose assignment channel
The first riser and the curved plate axially set along the tubulose assignment channel, first riser and the output revolving shaft
Connected at the end face center of the tubulose assignment channel, the curved plate is bonded with the internal perisporium of the tubulose assignment channel
Set.
Preferably, the execution unit further includes the restriction curved plate and is rotated with the rotation of the output revolving shaft
The limiting component of maximum angle.
Preferably, the limiting component is arc-shaped limit plate in the tubulose assignment channel, the arc-shaped limit
The bottom wall of plate is bonded setting with the internal perisporium of the tubulose assignment channel, and the bottom of the arc-shaped limit plate is inside equipped with opening
Arc-shaped limit groove, the end of the curved plate is arranged in the arc-shaped limit groove.
Preferably, the cambered surface central angle of the arc-shaped limit groove is greater than or equal to the cambered surface central angle of the curved plate
Twice.
Preferably, the outside end plate of the plate heat exchanger is equipped with first through hole, and the output revolving shaft of the driving part is inserted
Loaded in the first through hole.
Preferably, the outside of the first through hole be equipped with diameter be more than the first through hole the second through hole, described second
Seal member is equipped between through-hole wall and the output revolving shaft.
Preferably, the support seat piece for being used to support the driving part is additionally provided with outside the tubulose assignment channel.
Preferably, the support seat piece includes the second riser and arc pallet, and second riser is distributed with the tubulose
The outer end face fitting of passage is set, and the arc pallet is bonded setting with the bottom of the driving part.
The present invention provides a kind of fluid distributor for plate heat exchanger, it includes driving part and in the drive division
The execution unit of the openings of sizes of the dispensing orifice is adjusted under the driving of part.
Using this structure, during the work time, the driving part of above-mentioned fluid distributor is adjusted by execution unit to be divided
The openings of sizes of distribution, that is, change into coolant channel flow so that play adjust coolant channel in pressure and/or
The effect of temperature.It can be seen from the above that the three-dimensional distributor of this structure not only adjusts the pressure into the refrigerant of coolant channel
And temperature, that is, realize the effect of expansion valve and function in the prior art, that is to say, that this structure realize fluid distributor and
The integrated design of expansion valve, compared with prior art for so that air-conditioning system can physically save expansion valve this
One component, has the characteristics that compact-sized, also a saving production cost.Also, said structure can and make refrigerant directly,
Coolant channel is uniformly flowed into, compared with prior art, avoids refrigerant since carburation by evaporation is without even into refrigeration
The phenomenon of agent passage, improves the coefficient of heat transfer and heat exchange stability of plate heat exchanger.
The heat exchanger main body formed is stacked the present invention also provides a kind of plate heat exchanger, including by multiple plates, it is described more
A plate is separated to form alternate coolant channel and heat transfer fluid channels, and per the two neighboring plate corresponding to described
The position of coolant channel cooperatively forms dispensing orifice；Further include detection part, controller, and fluid distribution as described above
Device；
The detection part is used to detect the current pressure of the refrigerant of the coolant channel input or output and/or works as
Preceding temperature；
The controller is used for according to the current pressure and/or Current Temperatures, obtain when the coolant channel according to
Required dispensing orifice openings of sizes when predetermined normal pressure and/or normal temperature output refrigerant, and point as needed
Distribution openings of sizes output control order；
The driving part is used to, according to the control command, drive the execution unit, adjusts the execution unit
The dispensing orifice openings of sizes that the opening of the dispensing orifice extremely needs.
The present invention also provides a kind of control method of plate heat exchanger, the plate heat exchanger includes heat exchanger main body and stream
Body distributor, multiple plates of the heat exchanger main body are separated to form alternate coolant channel and heat transfer fluid channels, and often
The two neighboring plate cooperatively forms dispensing orifice in the position corresponding to the coolant channel；The control method is included such as
Lower step：
1) current pressure of the refrigerant of coolant channel input or the output of the plate heat exchanger and/or current is detected
Temperature；
2) according to the current pressure and/or Current Temperatures, obtain when the coolant channel is pressed according to predetermined criteria
Required dispensing orifice openings of sizes when power and/or normal temperature output refrigerant, and dispensing orifice opening as needed
Size output control order；
3) according to the control command, the opening of the dispensing orifice is adjusted to the dispensing orifice openings of sizes of needs.
Since above-mentioned fluid distributor has above-mentioned technique effect, include the plate-type heat-exchange of above-mentioned fluid distributor
The control method of device and above-mentioned plate heat exchanger should have corresponding technique effect, not repeat herein.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of embodiment of fluid distributor provided by the present invention, and shows point
State diagram when distribution is opened completely；
Fig. 2 is the state diagram when dispensing orifice of the fluid distributor shown in Fig. 1 completely closes；
Fig. 3, Fig. 4 are respectively the structure diagram of adjacent two plate in Fig. 1；
Fig. 5 is the structure diagram of part heat exchanger main body in Fig. 1.
Fig. 6-Fig. 8 is the structure diagram of three angles of the baffle in Fig. 1；
Fig. 9-Figure 11 is the structure diagram of three angles of the limiting component in Fig. 1；
Figure 12 and Figure 13 is respectively the front view and stereogram of the driving part in Fig. 1；
Figure 14 is fluid distributor provided by the present invention and the overall installation diagram of heat exchanger main body；
Figure 15 is the stereogram of the support base in Figure 14；
Figure 16 is the top view of the outside end plate of the fluid heat exchanger shown in Figure 14；
Figure 17 is a kind of structure diagram of embodiment of plate heat exchanger provided by the present invention；
Figure 18 is a kind of structure diagram of embodiment of the control method of plate heat exchanger provided by the present invention.
Wherein, the correspondence between the reference numeral of Fig. 1-Figure 18 and component names is：
Tubulose assignment channel 1；Dispensing orifice 11；
Driving part 2；Support base 21；Second riser 211；Arc pallet 212；Output revolving shaft 22；
Execution unit 3；Baffle 31；First riser 311；Curved plate 312；Arc-shaped limit plate 32；Arc-shaped limit groove 321；
Bottom wall 322；Side wall 3211.
Fluid distributor 10；Heat exchanger main body 20；Plate 201；Groove 2011；Coolant channel 202；Outside end plate 203；
First through hole 2031；Second through hole 2032；Detection part 30；Controller 40.
Embodiment
To provide a kind of fluid distributor for plate heat exchanger, which can be adjusted the core of the present invention
The pressure and temperature of refrigerant, and refrigerant carburation by evaporation before heat exchanger channels are entered can be avoided, ensure that refrigerant is uniform
Into heat exchanger channels, so as to improve the coefficient of heat transfer and heat exchange stability of plate heat exchanger.Another core of the present invention is to carry
For a kind of plate heat exchanger for including above-mentioned fluid distributor, and the control method of plate heat exchanger.
It is below in conjunction with the accompanying drawings and specific real in order to make those skilled in the art more fully understand technical scheme
Applying example, the present invention is described in further detail.
Please refer to Fig.1 to Fig. 5, Fig. 1 is that a kind of structure of embodiment of fluid distributor provided by the present invention is shown
It is intended to, and shows state diagram when dispensing orifice is opened completely；Fig. 2 is that the dispensing orifice of the fluid distributor shown in Fig. 1 closes completely
State diagram when closing；Fig. 3, Fig. 4 are respectively the structure diagram of adjacent two plate in Fig. 1；Fig. 5 is part heat exchanger master in Fig. 1
The structure diagram of body.
In a kind of embodiment, the present invention provides a kind of fluid distributor for plate heat exchanger, this is board-like
Heat exchanger includes heat exchanger main body 20, heat exchanger main body 20 is stacked by multiple plates 201 and formed, and multiple plates 201 are separated to form
Alternate coolant channel 202 and heat transfer fluid channels.As shown in Figure 3-Figure 5, one is cooperatively formed per two neighboring plate 201
Tubulose assignment channel 1, and groove 2011 is equipped with mating connection per two neighboring plate 201, two grooves 2011 are right
Should in the position of coolant channel 202 be spliced into for refrigerant flow into coolant channel 202 dispensing orifice 11.The fluid distributor
Including driving part 2 and execution unit 3, execution unit 3 can adjust opening for dispensing orifice 11 under the driving effect of driving part 2
Mouth size.
Using this structure, during the work time, as depicted in figs. 1 and 2, the driving part 2 of above-mentioned fluid distributor is logical
The openings of sizes that execution unit 3 adjusts dispensing orifice 11 is crossed, that is, changes the flow into coolant channel 202, so as to play adjusting
The effect of pressure and/or temperature in coolant channel 202.It can be seen from the above that the fluid distributor of this structure not only adjust into
Enter the pressure and temperature of the refrigerant of coolant channel 202, that is, realize the effect of expansion valve and function in the prior art, also
To say, this structure realizes fluid distributor and the integrated design of expansion valve, compared with prior art for so that air-conditioning system
Expansion valve this component can be physically being saved, is having the characteristics that compact-sized, also a saving production cost.Also,
Said structure can and make refrigerant directly, uniformly flow into coolant channel 202, compared with prior art, avoid system
Cryogen since carburation by evaporation is without the phenomenon even into coolant channel 202, improve plate heat exchanger the coefficient of heat transfer and
Exchange heat stability.
Fig. 6 to Fig. 8 is refer to, Fig. 6-Fig. 8 is the structure diagram of three angles of the baffle in Fig. 1.
In specific scheme, as depicted in figs. 1 and 2, above-mentioned driving part 2 can include being arranged concentrically with fluid distributor
Output revolving shaft 22；As Figure 6-Figure 8, above-mentioned execution unit 3 can include the baffle 31 being arranged in tubulose assignment channel 1,
Baffle 31 includes the first riser 311 set along the radial direction of fluid distributor and the arcuate bottom axially set along fluid distributor
Plate 312, the first riser 311 are connected with the output revolving shaft 22 of driving part 2 at the end face center of tubulose assignment channel 1, arc
Bottom plate 312 is bonded setting with the internal perisporium of tubulose assignment channel 1.
The plate of said structure is introduced so that the output revolving shaft 22 of the driving part 2 in Fig. 1 and Fig. 2 rotates counterclockwise as an example below
The course of work of formula heat exchanger：
When output revolving shaft 22 rotates counterclockwise, the first riser 311 radially set is driven around the end of tubulose assignment channel 1
Face center rotating, so as to drive curved plate 312 to rotate along the internal perisporium of tubulose assignment channel 1.Due to fluid distribution
Hole 11 is arranged at the length direction of the perisporium of fluid distributor, therefore in the rotation process of curved plate 312, certainly exists arc
Shape bottom plate 312 blocks fluid dispensing bores 11 (as shown in Figure 2)-partial occlusion fluid dispensing bores 11- and does not block fluid completely completely
The process that the opening of the process of dispensing orifice 11 (as shown in fig. 1), i.e. fluid dispensing bores 11 gradually increases.This causes fluid distributor
In refrigerant can uniformly flow into coolant channel 202, reach the effect for improving the coefficient of heat transfer and the stability that exchanges heat.
Above-mentioned driving part 2 and baffle 31 are used it can be seen from the above-mentioned course of work, can adjust and lead into refrigerant
The pressure and temperature of the refrigerant in road 202, and make refrigerant even into coolant channel 202.
Certainly, above-mentioned driving part 2 and execution unit 3 are not limited in above-mentioned concrete structure, can also use other knots
Structure.For example, execution unit 3 can be arranged to slider-crank mechanism, which includes a crank and multiple cunnings
Block, each fluid dispensing bores 11 of each sliding block and fluid distributor are correspondingly arranged.The output revolving shaft 22 of driving part 2 is parallel
Set in the end face of tubulose assignment channel 1, and output revolving shaft 22 is connected with crank, after output revolving shaft 22 rotates, drives crank
Rotate, so as to drive the multiple sliding blocks being connected with crank to be moved back and forth along the length direction of tubulose assignment channel 1, so as to fulfill complete
Either part covers fluid dispensing bores 11 or does not cover fluid dispensing bores 11 completely all standing fluid dispensing bores 11, to reach root
The effect of the pressure and temperature into the refrigerant of coolant channel 202 is adjusted according to the order of sensor signal and controller 40,
And since the action of multiple sliding blocks is synchronous, it also ensure that refrigerant even into each coolant channel 202, improves board-like change
The heat exchange stability and the coefficient of heat transfer of hot device.
Fig. 9-Figure 11 is refer to, Fig. 9-Figure 11 is the structure diagram of three angles of the limiting component in figure.
In another embodiment, as Figure 9-Figure 11, above-mentioned execution unit 3 can also include limiting arc
The limiting component for the maximum angle that bottom plate 312 is rotated with the rotation of driving part 2.
Specifically, above-mentioned limiting component is arranged on the arc-shaped limit plate 32 of tubulose assignment channel 1, the bottom of arc-shaped limit plate 32
Wall 322 is bonded setting with the internal perisporium of tubulose assignment channel 1, and 32 bottom of arc-shaped limit plate is equipped with the inside arc-shaped limit of opening
Groove 321, the end of curved plate 312 are arranged in the arc-shaped limit groove 321.
Using this structure, when driving part 2 is stepper drive component 2 (such as stepper motor or stepper motor),
Rotated after 2 return pulse signal of driving part in the range of certain angle, so as to drive the first riser 311 around tubulose assignment channel
1 end face center rotates in the range of certain angle, and then drives curved plate 312 along 1 perisporium of tubulose assignment channel certain
Rotated in angular range, since the end of curved plate 312 is plugged in arc-shaped limit groove 321, arc-shaped limit groove 321
Curved plate 312 is played spacing effect in two side 3211, i.e. the two side 3211 of arc-shaped limit groove 321 limits arcuate bottom
The maximum rotation angle of plate 312.Therefore, arc-shaped limit plate 32 can be well matched with the effect of stepper drive component 2, play pair
The position-limiting action of curved plate 312, ensures the accuracy of 312 swing angle of curved plate, further improves the work of execution unit 3
Make stability.
In specific installation process, can first by curved plate 312 install it is fixed after, then by the mode such as being brazed by arc
Shape limiting plate 32 is fixed on the suitable position in tubulose assignment channel 1 so that the end set of curved plate 312 is in arc-shaped limit
In the arc-shaped limit groove 321 of plate 32.
Preferably, above-mentioned arc-shaped limit plate 32 can be located at the end away from the first riser 311 in tubulose assignment channel 1,
In this way, on the basis of above-mentioned position-limiting action, since the both ends of curved plate 312 are subject to the first riser 311, arc-shaped limit respectively
The constraint of plate 32, avoids since the length of curved plate 312 is longer, one end away from the first riser 311 of curved plate 312
Deviate and moved close to the end of the first riser 311, or curved plate 312 causes two end motions inconsistent etc. due to flexural deformation
Phenomenon, further enhances the executive capability of execution unit 3, ensures fluid media (medium) even into each coolant channel 202.
Certainly, above-mentioned limiting component is not limited in the structure of arc-shaped limit plate 32, can also be set to other knots
Structure.For example, above-mentioned fluid distributor can away from the first riser 311 two limited blocks of end set, by curved plate 312
End set between two limited blocks, in this way, the space between two limited blocks be exactly curved plate 312 movement it is empty
Between, it can equally play the role of ensureing 312 movement angle of curved plate, while also there is simple in structure, convenient processing and manufacture
The characteristics of.
In further scheme, the cambered surface central angle β of above-mentioned arc-shaped limit groove 321 is greater than or equal to curved plate 312
Twice of cambered surface central angle alpha., can be complete when can so ensure side of the curved plate 312 in arc-shaped limit groove 321
Multiple fluid dispensing bores 11 are covered, refrigerant can not enter coolant channel 202 by fluid dispensing bores 11 at this time；And work as
Curved plate 312 enables to fluid dispensing bores 11 to open wide completely, at this time arcuate bottom in the opposite side of arc-shaped limit groove 321
Plate 312 cannot hinder refrigerant to enter coolant channel 202 by fluid dispensing bores 11.
Illustrating, the herein presented noun of locality " interior " is referred on the length direction of tubulose assignment channel 1,
The direction of median plane is directed toward by both ends, " outer " refers on the length direction of tubulose assignment channel 1, both ends are directed toward by median plane
Direction；" end face " refers to the plane of the longitudinal center line perpendicular to tubulose assignment channel 1；It should be appreciated that these nouns of locality
Set up on the basis of attached drawing, their appearance should not influence protection scope of the present invention.
The specific connection mode of fluid distributor and driving part 2 can also be further set.
4 and Figure 16 are please referred to Fig.1, Figure 14 is the overall assembling of fluid heat exchanger provided by the present invention and heat exchanger main body
Figure；Figure 16 is the top view of the outside end plate of the fluid heat exchanger shown in Figure 14.
In another embodiment, the outside end plate 203 of plate heat exchanger is equipped with first through hole 2031, drive division
The output revolving shaft 22 of part 2 is plugged in first through hole 2031.This connection mode can simply, easily realize the company of the two
Connect, and it is easy to process make it that fluid distributor has the characteristics that.
Further, above-mentioned outside end plate 203 is more than first through hole in the outside of above-mentioned first through hole 2031 equipped with diameter
2031 the second through hole 2032, is equipped with seal member between 2032 inner wall of the second through hole and the output revolving shaft 22 of driving part 2.This
The output revolving shaft 22 for the driving part 2 being plugged in first through hole 2031 can be sealed, avoid freezing by sample, seal member
Agent is leaked from first through hole 2031, is further ensured that the heat exchange stability of plate heat exchanger.
The specific constructive form and mounting means of above-mentioned driving part 2 can also be further set.
2 and Figure 13 are please referred to Fig.1, Figure 12 and Figure 13 are respectively the front view and stereogram of the driving part in Fig. 1.
In another embodiment, as shown in Figure 12 and Figure 13, driving part 2 can specifically using motor or
Motor realizes the driving to execution unit 3.
More specifically in scheme, with reference to the stereogram for reference to figure 14 and Figure 15, Figure 15 being support base in Figure 14；Above-mentioned pipe
It is also provided with being used to support the support base 21 of driving part 2 outside shape assignment channel 1.For example, above-mentioned support base 21 can wrap
The second riser 211 and arc pallet 212 are included, the second riser 211 is bonded setting, arc pallet with the outer end face of tubulose assignment channel
212 are bonded setting with the bottom of driving part 2.The stabilization to driving part 2 can be realized using the support base 21 of this structure
Support, ensures the stably output torque of driving part 2, further enhances the heat exchange stability of plate heat exchanger.Certainly, above-mentioned branch
Support seat 21 simultaneously not only limits said structure, can also use the support base 21 of other structures.
Please refer to Fig.1 a kind of structural frames for embodiment that 7, Figure 17 is plate heat exchanger provided by the present invention
Figure.
As shown in figure 17, the present invention also provides a kind of plate heat exchanger, which includes heat exchanger main body 20, such as
Upper fluid distributor 10, detection part 30 and the controller 40.Heat exchanger main body 20 is stacked by multiple plates 201 and formed,
Multiple plates 201 are separated to form alternate coolant channel 202 and heat transfer fluid channels.Also, match somebody with somebody per two neighboring plate 201
Conjunction forms tubulose assignment channel 1, and tubulose assignment channel 1 is equipped with the position corresponding to coolant channel 202 and supplies refrigerant stream
Enter the dispensing orifice 11 of coolant channel 202.Detection part 30 is used to detect the refrigerant that coolant channel 202 is inputted or exported
Current pressure and/or Current Temperatures.Controller 40 is used to work as coolant channel according to current pressure and/or Current Temperatures, acquisition
202 according to predetermined criteria pressure and/or normal temperature output refrigerant when required 11 openings of sizes of dispensing orifice, and according to
The 11 openings of sizes output control order of dispensing orifice needed.The driving part 2 of fluid distributor 10 is used to, according to control command, drive
Dynamic execution unit 3, makes execution unit 3 adjust the opening of dispensing orifice 11 to 11 openings of sizes of dispensing orifice of needs.
In specific scheme, above-mentioned detection part 30 can be specially the refrigeration of the coolant channel arranged on plate heat exchanger
The agent entrance either pressure sensing at the refrigerant inlet of the refrigerant outlet of coolant channel or the compressor of air-conditioning system
Device and/or temperature sensor, since sensor has the characteristics that high sensitivity, accuracy are high, using pressure sensor and/
Or temperature sensor can quickly and accurately detect the pressure and/or temperature of refrigerant as detection part 30.Certainly, originally
The detection part of structure can also be used by inventing institute's offer plate heat exchanger.
Using this structure, during the work time, pressure sensor and/or temperature sensor detection coolant channel 202
The current pressure and/or Current Temperatures of the refrigerant of input or output, current pressure signal and/or current temperature signal are transmitted
To controller 40, controller 40 is according to predetermined normal pressure and/or normal temperature, and current pressure signal and/or current
Temperature signal, by its pre-set program or instruction obtain when coolant channel 202 according to predetermined criteria pressure and/
Or required 11 openings of sizes of dispensing orifice during normal temperature output refrigerant, and send control command；Then, driving mechanism root
Execution unit 3 is driven according to the control command of controller 40, execution unit 3 is adjusted the opening of dispensing orifice 11 to the dispensing orifice of needs
11 openings of sizes, so that the openings of sizes for reaching multiple fluid dispensing bores 11 changes with the pressure and changes in flow rate of refrigerant,
Realize the control to the pressure and/or temperature of the coolant channel 202 of plate heat exchanger, and cause refrigerant even into changing
The passage of heat, improves the coefficient of heat transfer and job stability of plate heat exchanger.
The plate heat exchanger of said structure can realize the mistake of detection-feedback-control it can be seen from the above-mentioned course of work
Journey, to reach coolant channel 202 pressure and/or the effect of temperature output refrigerant, and ensure according to predetermined criteria all the time
During control refrigerant is uniformly conveyed to coolant channel 202.Certainly, above-mentioned control process can be detection in real time, also may be used
By using the control process for periodically or in a manner of timing carrying out discontinuity.
Please refer to Fig.1 a kind of embodiment for the control method that 8, Figure 18 is plate heat exchanger provided by the present invention
Structure diagram.
As shown in figure 18, the present invention also provides a kind of control method of plate heat exchanger, plate heat exchanger to include heat exchanger
Main body and fluid distributor, heat exchanger main body include multiple plates for stacking and setting, and multiple plates are separated to form alternate refrigeration
Agent passage and heat transfer fluid channels, fluid distributor include the tubulose assignment channel through multiple plates, and per two neighboring
Plate 201 cooperatively forms tubulose assignment channel 1, and tubulose assignment channel 1 is equipped with the position corresponding to coolant channel 202 and supplies
Refrigerant flows into the dispensing orifice 11 of coolant channel 202.Above-mentioned control method includes the following steps：
S1：Detect the current pressure of the refrigerant of coolant channel input or the output of plate heat exchanger and/or current temperature
Degree；
S2：According to current pressure and/or Current Temperatures, obtain when coolant channel according to predetermined criteria pressure and/or
Required dispensing orifice openings of sizes when normal temperature exports refrigerant, and dispensing orifice openings of sizes output control as needed
Order；
S3：According to control command, the opening of dispensing orifice is adjusted to the dispensing orifice openings of sizes of needs.
Similarly, above-mentioned control method can realize the process of detection-feedback-control, to reach coolant channel all the time
Pressure and/or the effect of temperature output refrigerant according to predetermined criteria, and ensure uniform to coolant channel during controlling
Convey refrigerant.
Plate heat exchanger provided by the present invention and its fluid distributor, the control method of plate heat exchanger are carried out above
It is discussed in detail.Specific case used herein is set forth the principle of the present invention and embodiment, above example
Explanation be only intended to help understand the present invention method and its core concept.It should be pointed out that for the common of the art
For technical staff, without departing from the principle of the present invention, some improvement and modification can also be carried out to the present invention, these
Improve and modification is also fallen into the protection domain of the claims in the present invention.
Claims (11)
1. a kind of fluid distributor for plate heat exchanger, every two neighboring plate (201) of the plate heat exchanger coordinates
Tubulose assignment channel (1) is formed, and the tubulose assignment channel (1) is in the coolant channel corresponding to the plate heat exchanger
(202) position is equipped with the dispensing orifice (11) that the coolant channel (202) is flowed into for refrigerant；It is characterized in that, the stream
Body distributor include driving part (2) and adjusted under the driving of the driving part (2) dispensing orifice (11) opening it is big
Small execution unit (3)；
The driving part (2) includes the output revolving shaft (22) being arranged concentrically with the tubulose assignment channel (1).
2. the fluid distributor according to claim 1 for plate heat exchanger, it is characterised in that the execution unit
(3) baffle (31) being arranged in the tubulose assignment channel (1) is included, the baffle (31) is included along the tubulose assignment channel
(1) the first riser (311) and the curved plate (312) axially set along the tubulose assignment channel (1) that radial direction is set,
First riser (311) is connected with the output revolving shaft (22) at the end face center of the tubulose assignment channel (1), described
Curved plate (312) is bonded setting with the internal perisporium of the tubulose assignment channel (1).
3. the fluid distributor according to claim 2 for plate heat exchanger, it is characterised in that the execution unit
(3) further include and limit the spacing of the maximum angle that the curved plate (312) rotates with the rotation of the output revolving shaft (22)
Component.
4. the fluid distributor according to claim 3 for plate heat exchanger, it is characterised in that the limiting component is
Arc-shaped limit plate (32) in the tubulose assignment channel (1), the bottom wall (322) of the arc-shaped limit plate (32) with it is described
The internal perisporium fitting of tubulose assignment channel (1) is set, and the bottom of the arc-shaped limit plate (32) is equipped with the inside arc of opening
Limiting slot (321), the end of the curved plate (312) are arranged in the arc-shaped limit groove (321).
5. the fluid distributor according to claim 4 for plate heat exchanger, it is characterised in that the arc-shaped limit groove
(321) cambered surface central angle is greater than or equal to twice of the cambered surface central angle of the curved plate (312).
6. it is used for the fluid distributor of plate heat exchanger according to claim 2-5 any one of them, it is characterised in that the plate
The outside end plate (203) of formula heat exchanger is equipped with first through hole (2031), and the output revolving shaft (22) of the driving part (2) is plugged in
In the first through hole (2031).
7. the fluid distributor according to claim 6 for plate heat exchanger, it is characterised in that the first through hole
(2031) outside is equipped with the second through hole (2032) that diameter is more than the first through hole (2031), second through hole (2032)
Seal member is equipped between inner wall and the output revolving shaft (22).
8. it is used for the fluid distributor of plate heat exchanger according to claim 2-5 any one of them, it is characterised in that the pipe
The support seat piece (21) for being used to support the driving part (2) is additionally provided with outside shape assignment channel (1).
9. the fluid distributor according to claim 8 for plate heat exchanger, it is characterised in that the support seat piece
(21) the second riser (211) and arc pallet (212), second riser (211) and the tubulose assignment channel (1) are included
Outer end face fitting is set, and the arc pallet (212) is bonded setting with the bottom of the driving part (2).
10. a kind of plate heat exchanger, including stack the heat exchanger main body (20) formed, the multiple plate by multiple plates (201)
Piece (201) is separated to form alternate coolant channel (202) and heat transfer fluid channels, and per the two neighboring plate (201)
Dispensing orifice (11) is cooperatively formed in the position corresponding to the coolant channel (202)；It is characterized in that, further include detection part
(30), controller (40), and such as claim 1-9 any one of them fluid distributor (10)；
The detection part (30) is used for the current pressure for detecting the refrigerant of the coolant channel (202) input or output
And/or Current Temperatures；
The controller (40) is used to work as the coolant channel (202) according to the current pressure and/or Current Temperatures, acquisition
Required dispensing orifice (11) openings of sizes when pressure and/or normal temperature export refrigerant according to predetermined criteria, and according to
Dispensing orifice (11) the openings of sizes output control order needed；
The driving part (2) is used for according to the control command, drives the execution unit (3), makes the execution unit (3)
The opening of the dispensing orifice (11) is adjusted to dispensing orifice (11) openings of sizes of needs.
11. a kind of control method of plate heat exchanger, the plate heat exchanger is plate heat exchanger as claimed in claim 10,
The plate heat exchanger is included such as claim 1 to 9 any one of them fluid distributor, multiple plates of the heat exchanger main body
Piece is separated to form alternate coolant channel and heat transfer fluid channels, and per the two neighboring plate (201) corresponding to institute
The position for stating coolant channel (202) cooperatively forms dispensing orifice (11)；It is characterized in that, the control method includes following step
Suddenly：
1) current pressure of the refrigerant of coolant channel input or the output of the plate heat exchanger and/or current temperature are detected
Degree；
2) according to the current pressure and/or Current Temperatures, obtain when the coolant channel according to predetermined criteria pressure and/
Or required dispensing orifice openings of sizes during normal temperature output refrigerant, and dispensing orifice openings of sizes as needed is defeated
Go out control command；
3) according to the control command, the opening of the dispensing orifice is adjusted to the dispensing orifice openings of sizes of needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210092955.5A CN103363834B (en) | 2012-03-31 | 2012-03-31 | Plate heat exchanger and its fluid distributor, the control method of plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210092955.5A CN103363834B (en) | 2012-03-31 | 2012-03-31 | Plate heat exchanger and its fluid distributor, the control method of plate heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103363834A CN103363834A (en) | 2013-10-23 |
| CN103363834B true CN103363834B (en) | 2018-05-01 |
Family
ID=49365729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210092955.5A Active CN103363834B (en) | 2012-03-31 | 2012-03-31 | Plate heat exchanger and its fluid distributor, the control method of plate heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN103363834B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108592685A (en) * | 2018-02-11 | 2018-09-28 | 中国神华能源股份有限公司 | Liquid distributor and evaporator |
| CN109474113B (en) * | 2018-09-06 | 2020-06-23 | 新疆金风科技股份有限公司 | Motor and wind generating set |
| CN112097550A (en) * | 2020-07-31 | 2020-12-18 | 合肥森印科技有限公司 | Plate heat exchanger for intelligent integrated heat exchanger unit |
| CN115507681B (en) * | 2022-09-23 | 2023-10-24 | 浙江英特科技股份有限公司 | Plate heat exchanger |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094156A (en) * | 1992-12-07 | 1994-10-26 | 多维垛国际有限公司 | The improvement of plate type heat exchanger |
| CN101008560A (en) * | 2006-01-27 | 2007-08-01 | 深圳麦克维尔空调有限公司 | Fluid distributor and using method thereof |
| CN101680689A (en) * | 2007-05-22 | 2010-03-24 | 贝洱两合公司 | Heat exchanger |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030116310A1 (en) * | 2001-12-21 | 2003-06-26 | Wittmann Joseph E. | Flat tube heat exchanger core with internal fluid supply and suction lines |
-
2012
- 2012-03-31 CN CN201210092955.5A patent/CN103363834B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1094156A (en) * | 1992-12-07 | 1994-10-26 | 多维垛国际有限公司 | The improvement of plate type heat exchanger |
| CN101008560A (en) * | 2006-01-27 | 2007-08-01 | 深圳麦克维尔空调有限公司 | Fluid distributor and using method thereof |
| CN101680689A (en) * | 2007-05-22 | 2010-03-24 | 贝洱两合公司 | Heat exchanger |
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| Publication number | Publication date |
|---|---|
| CN103363834A (en) | 2013-10-23 |
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Effective date of registration: 20170401 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60 Applicant after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018 289-2, Hangzhou Economic Development Zone, Zhejiang, No. 12 Applicant before: Hangzhou Sanhua Institute Co., Ltd. |
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