CN106595376A - Air conditioner unit, heat exchanger and tubular plate - Google Patents

Air conditioner unit, heat exchanger and tubular plate Download PDF

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Publication number
CN106595376A
CN106595376A CN201710049700.3A CN201710049700A CN106595376A CN 106595376 A CN106595376 A CN 106595376A CN 201710049700 A CN201710049700 A CN 201710049700A CN 106595376 A CN106595376 A CN 106595376A
Authority
CN
China
Prior art keywords
tube
seal groove
tube sheet
stopper slot
heat exchanging
Prior art date
Application number
CN201710049700.3A
Other languages
Chinese (zh)
Inventor
左晓波
李敏
杨久子
王帆
Original Assignee
格力电器(合肥)有限公司
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 格力电器(合肥)有限公司, 珠海格力电器股份有限公司 filed Critical 格力电器(合肥)有限公司
Priority to CN201710049700.3A priority Critical patent/CN106595376A/en
Publication of CN106595376A publication Critical patent/CN106595376A/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F11/00Arrangements for sealing leaky tubes and conduits
    • F28F11/02Arrangements for sealing leaky tubes and conduits using obturating elements, e.g. washers, inserted and operated independently of each other
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/0219Arrangements for sealing end plates into casing or header box; Header box sub-elements

Abstract

The invention provides a tubular plate. A heat exchange hole (110) used for mounting a connecting pipe (200) is formed in the tubular plate (100). At least two kinds of mounting grooves of which the cross sections are in different shapes are further formed in the tubular plate (100). The at least two kinds of mounting grooves are arranged in the axis direction of the heat exchange hole (110) in rows. Through the cooperation of at least two mounting parts and the at least two kinds of mounting grooves, axial tightening force between the connecting pipe and the tubular plate and sealing performance between the connecting pipe and the tubular plate are ensured, sealing problems, such as insufficient sealing or tightening force, which occur after the connecting pipe is sealed by being in expanded connection with the tubular plate at present, are effectively solved, the sealing effect is improved, the axial tightening force is increased, and the working reliability of an air conditioner unit is further ensured. The invention further provides the air conditioner unit and a heat exchanger.

Description

Air conditioning unit, heat exchanger and its tube sheet
Technical field
The present invention relates to air conditioner technical field, more particularly to a kind of air conditioning unit, heat exchanger and its tube sheet.
Background technology
At present, the connecting tube of heat exchanger is mostly without the knot such as seal groove, V-shaped groove and stopper slot with tube plate expanded-connecting seal form Structure.For the seal form without seal groove, the roughness requirements of the heat exchanging holes of tube sheet are high, and because without seal groove, Tightening force is less after expanded joint, and product is present reveals hidden danger, and sealing is easy to failure;For the seal form of V-shaped groove, expanded joint After the completion of connecting tube and tube sheet tightening force less, less with V-shaped groove contact area after connecting tube expanded joint, connecting tube cannot be filled up Whole seal groove, easily produces leakage channel, causes seal failure;For the seal form of rectangular seal groove, after expanded joint Connecting tube has very big tightening force, but the connecting tube after expanded joint cannot fill up whole seal groove, easily produce leakage channel, Cause seal failure.Therefore, for above-mentioned several connecting tubes and tube plate expanded-connecting seal form, there is sealing or tense Not caused enough the sealing problem of power, affects the reliability of air conditioning unit work.
The content of the invention
Based on this, it is necessary to sealing is still suffered from after sealing with tube plate expanded-connecting for current connecting tube or tightening force is not enough led A kind of sealing problem of cause, there is provided tube sheet that can be blocked leakage path between connecting tube and tube sheet, ensure sealing effectiveness, while A kind of heat exchanger containing above-mentioned tube sheet is also provided, and containing the air conditioning unit of above-mentioned heat exchanger.Above-mentioned purpose passes through Following technical proposals are realized:
A kind of tube sheet, offers the heat exchanging holes for installing connecting tube on the tube sheet;
The different mounting groove of at least two cross sectional shapes is further opened with the tube sheet;
Mounting groove described at least two is arranged in rows along the axis direction of the heat exchanging holes.
Wherein in one embodiment, the different mounting groove of cross sectional shape is two kinds, respectively seal groove and spacing Groove;
The seal groove can seal the junction of the connecting tube and the tube sheet;The stopper slot can limit described Displacement of the connecting tube along the heat exchanging holes axis direction.
Wherein in one embodiment, the seal groove is annular in shape along the circumferential direction of the heat exchanging holes with the stopper slot It is arranged on the inwall of the heat exchanging holes.
Wherein in one embodiment, the seal groove has sealing surfaces, and the stopper slot has stop surface;
When the connecting tube is installed on the heat exchanging holes, the projection that the connecting tube expanded joint is formed can be with the seal groove Sealing surfaces fit, the protuberance that the connecting tube expanded joint is formed can contact with the stop surface of the stopper slot.
Wherein in one embodiment, the cross sectional shape of the seal groove is arc or V-arrangement;
The cross sectional shape of the stopper slot is rectangle.
Wherein in one embodiment, the quantity of the seal groove is one with the quantity of the stopper slot, and described Stopper slot is located between the seal groove and the outer wall of the tube sheet.
Wherein in one embodiment, the quantity of the seal groove is at least two, and seal groove described at least two is along institute The axial direction for stating heat exchanging holes is arranged in rows, and there is spacing between two adjacent seal grooves.
Wherein in one embodiment, the quantity of the seal groove is at least two, and seal groove described at least two is along institute The axial direction for stating heat exchanging holes is arranged in rows, and seal groove is continuously arranged described at least two.
Wherein in one embodiment, the stopper slot is located between two adjacent seal grooves.
Wherein in one embodiment, the stopper slot is located at the rear side of seal groove described at least two.
Wherein in one embodiment, the quantity of the stopper slot is at least two, stopper slot described at least two with extremely Few two seal grooves interlock interval setting.
Wherein in one embodiment, the scope of the central angle of the seal groove arc section is 60 °~210 °.
Wherein in one embodiment, the seal groove along the radial direction of the heat exchanging holes depth bounds be 2mm~ 3mm;
The size range of the radius of the arc section of the seal groove is 5mm~6mm.
Wherein in one embodiment, the seal groove is along the opening width range of the axial direction of the heat exchanging holes 2mm~3mm.
Wherein in one embodiment, the stopper slot along the radial direction of the heat exchanging holes depth bounds be 3mm~ 4mm。
Wherein in one embodiment, width and the stopper slot of the stopper slot along the axial direction of the heat exchanging holes Along the deep equality of the radial direction of the heat exchanging holes;
Or, the stopper slot is 2mm~3mm along the width range of the axial direction of the heat exchanging holes.
Further relate to a kind of heat exchanger, including connecting tube and the tube sheet described in arbitrary technical characteristic as described above;
The connecting tube is heat exchanger tube, and the connecting tube is installed in the heat exchanging holes of the tube sheet, and by expanded joint mode It is engaged with the mounting groove of the tube sheet.
One kind is further related to air conditioning unit, including the heat exchanger described in arbitrary technical characteristic as described above.
Above-mentioned technical proposal has the advantages that:
The tube sheet of the present invention, can be such that connecting tube is installed on tube sheet by expanded joint mode, to ensure connecting tube and tube sheet Between tensile property, and then ensure the sealing property of tube sheet and connecting tube junction.Connecting tube is installed to the heat exchanging holes of tube sheet In, connecting tube can occur plastic deformation by expanded joint mode, and at least two installation portions are formed on the surface of connecting tube, extremely Few two installation portions can be respectively arranged at least two mounting grooves of tube sheet.Due to the cross sectional shape of at least two mounting grooves Different and along heat exchanging holes axial direction is arranged in rows, the pulling force that so every kind of mounting groove and corresponding installation portion are subject to after coordinating Also it is different, and then increase the tightening force between tube sheet and connecting tube so that installation portion will not be skidded off from mounting groove, to ensure peace Sealing property between dress portion and mounting groove, the leakage path blocked between connecting tube and tube sheet, it is ensured that sealing effectiveness, the company of raising Sealing property between adapter and tube sheet.Meanwhile, tube plate structure is simple, by least two installation portions and at least two mounting grooves Cooperation can improve the tensile property and sealing effectiveness of connecting tube installation, without the need for smearing fluid sealant between tube sheet and connecting tube again, Expanded joint gluing is solved the problems, such as, efficiency of assembling is improved.The tube sheet of the present invention is installed by least two installation portions and at least two Groove coordinates, it is ensured that the axial tightening power between connecting tube and tube sheet and the sealing property between connecting tube and tube sheet, effectively Solve to still suffer from sealing or not caused enough the sealing problem of tightening force after current connecting tube is sealed with tube plate expanded-connecting, improve sealing Effect, increases axial tightening power, and then ensures the reliability of air conditioning unit work.
Because tube sheet has above-mentioned technique effect, the heat exchanger for including above-mentioned tube sheet is also imitated with corresponding technology Really.
Because heat exchanger has above-mentioned technique effect, include the air conditioning unit of above-mentioned heat exchanger and also have accordingly Technique effect.
Description of the drawings
Fig. 1 is the broken section structural representation of the tube sheet of one embodiment of the invention;
Fig. 2 is the partial enlarged drawing at the A shown in Fig. 1;
Fig. 3 is the partial enlarged drawing at the B shown in Fig. 1;
Fig. 4 be Fig. 1 shown in tube sheet in install connecting tube cross section structure diagram;
Fig. 5 is the partial enlarged drawing at the C shown in Fig. 4;
Fig. 6 is the partial enlarged drawing at the D shown in Fig. 4;
Wherein:
100- tube sheets;
110- heat exchanging holes;
120- seal grooves;
130- stopper slots;
200- connecting tubes;
210- is raised;
220- protuberances.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, by the following examples, and with reference to attached Figure, is further elaborated to the air conditioning unit of the present invention, heat exchanger and its tube sheet.It should be appreciated that described herein Specific embodiment only to explain the present invention, be not intended to limit the present invention.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or it is integral;Can be that machinery connects Connect, or electrically connect;Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements, unless otherwise clearly restriction.For one of ordinary skill in the art For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be with It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " on ", D score, "left", "right" and similar statement for illustrative purposes only, it is unique enforcement to be not offered as Mode.
Referring to Fig. 1 and Fig. 4, the invention provides a kind of tube sheet 100, the tube sheet 100 is used to for connecting tube 200 to be installed on pipe On plate 100, to ensure the sealing property between connecting tube 200 and tube sheet 100 and axial tightening power.The tube sheet 100 of the present invention Can apply to it is air conditioning unit in, it is also possible in being applied to handpiece Water Chilling Units, with reduce coolant leakage and system water inlet hidden danger.And And, connecting tube 200 can be heat exchanger tube, or the pipeline that other needs are connected with tube sheet 100.Connecting tube 200 is installed To in the tube sheet 100 of the present invention, expanded joint is carried out to connecting tube 200 by expansion joint equipment, so that connecting tube 200 is matched somebody with somebody with tube sheet 100 Close tight, block the leakage path between connecting tube 200 and tube sheet 100, it is ensured that the axial direction between connecting tube 200 and tube sheet 100 Tightening force and sealing property, effectively solve to still suffer from sealing or draw after current connecting tube 200 is sealed with the expanded joint of tube sheet 100 Not caused enough the sealing problem of clamp force, improves sealing effectiveness, and then ensures the reliability of air conditioning unit work.
Referring to Fig. 1 and Fig. 4, in one embodiment of this invention, the heat exchanging holes 110 of insertion setting are offered on tube sheet 100, Heat exchanging holes 110 are used to install the connecting tube 200 of heat exchanger.At least two cross sectional shapes are further opened with tube sheet 100 different Mounting groove, at least two mounting grooves are arranged in rows along the axis direction of heat exchanging holes 110.Connecting tube 200 is installed to changing for tube sheet 100 After in hot hole 110, need by expansion joint equipment by the expanded joint of connecting tube 200 in tube sheet 100.The swollen head of expansion joint equipment is installed on company In adapter 200, swollen head is rotated in connecting tube 200 during expanded joint, and the ball on swollen head can apply expanded joint effect to connecting tube 200 Power, so that connecting tube 200 occurs plastic deformation.The outer surface plastic deformation of connecting tube 200 can form installation portion, also, install The quantity in portion is consistent with the quantity of mounting groove, and the shape of installation portion is adapted with the shape of corresponding mounting groove.At least two Installation portion can be respectively installed at least two mounting grooves, because the cross sectional shape of at least two mounting grooves is different, be installed to The shape of the installation portion at least two mounting grooves is consistent with the shape of mounting groove, so ensure that connecting tube 200 With the sealing property between tube sheet 100.Meanwhile, the species of mounting groove is at least two, so being capable of mounting groove and corresponding peace Dress portion ensure that axial tightening power and sealing property after coordinating.Specifically, axis of at least two mounting grooves along heat exchanging holes 110 Direction is arranged in rows, after the installation portion and mounting groove of different shapes cooperation that connecting tube 200 is formed, can make every kind of mounting groove with The tightening force being subject between installation portion is different so that installation portion will not be skidded off from mounting groove, and then increases tube sheet 100 and connect Tightening force between adapter 200, to ensure the tensile property between installation portion and mounting groove and sealing property, blocks connecting tube Leakage path between 200 and tube sheet 100, it is ensured that sealing effectiveness, improves the sealing property between connecting tube 200 and tube sheet 100.
The tube sheet 100 of the present invention can be such that connecting tube 200 is installed on tube sheet 100 by expanded joint mode, to ensure connection Tensile property between pipe 200 and tube sheet 100, and then ensure the sealing property of tube sheet 100 and the junction of connecting tube 200.Connection Pipe 200 is installed in the heat exchanging holes 110 of tube sheet 100, and connecting tube 200 can occur plastic deformation by expanded joint mode, and even At least two installation portions are formed on the surface of adapter 200, at least two installation portions can be respectively arranged at least the two of tube sheet 100 In planting mounting groove.Because the cross sectional shape of at least two mounting grooves is different and arranged in rows along the axial direction of heat exchanging holes 110, this The pulling force being subject to after the cooperation of the every kind of mounting groove of sample and corresponding installation portion is also different, so increase tube sheet 100 and connecting tube 200 it Between tightening force so that installation portion will not be skidded off from mounting groove, to ensure the sealing property between installation portion and mounting groove, envelope Leakage path between lock connecting tube 200 and tube sheet 100, it is ensured that sealing effectiveness, improves between connecting tube 200 and tube sheet 100 Sealing property.Meanwhile, the simple structure of tube sheet 100, being coordinated with least two mounting grooves by least two installation portions to improve Tensile property and sealing effectiveness that connecting tube 200 is installed, without the need for smearing fluid sealant between tube sheet 100 and connecting tube 200 again, solve The problem of expanded joint gluing, improves efficiency of assembling.The tube sheet 100 of the present invention is by least two installation portions and at least two mounting grooves Coordinate, it is ensured that the axial tightening power between connecting tube 200 and tube sheet 100 and the sealing between connecting tube 200 and tube sheet 100 Can, effectively solve to still suffer from sealing after current connecting tube 200 is sealed with the expanded joint of tube sheet 100 or tightening force is not caused close enough Envelope problem, improves sealing effectiveness, increases axial tightening power, and then ensures the reliability of air conditioning unit work.
Referring to Fig. 1 to Fig. 3, in the present embodiment, the different mounting groove of cross sectional shape is two kinds, respectively seal groove 120 And stopper slot 130.Specifically, mounting groove can be divided into into two according to the shape of mounting groove difference and mounting groove corresponding function Kind.Certainly, in the other embodiment of the present invention, the species of mounting groove can also be divided into three kinds or more kinds of.Seal groove 120 can sealed joint pipe 200 and the junction of tube sheet 100, stopper slot 130 can limit connecting tube 200 along the axis of heat exchanging holes 110 Direction displacement.Seal groove 120 is annularly arranged at the inwall of heat exchanging holes 110 with stopper slot 130 along the circumferential direction of heat exchanging holes 110 On, and seal groove 120 is arranged in rows along the axis direction of heat exchanging holes 110 with stopper slot 130.So ensure that tube sheet 100 with The sealing property of connecting tube 200.And referring to Fig. 4 to Fig. 6, when connecting tube 200 is installed on heat exchanging holes 110 by expanded joint mode, even A part of outer wall of adapter 200 can fit with the inwall of seal groove 120, and another part outer wall of connecting tube 200 can also Contact with the inwall of stopper slot 130.
Simultaneously as being provided with seal groove 120 and stopper slot 130 on the inwall of heat exchanging holes 110, connecting tube 200 is by swollen When the mode of connecing is installed in the heat exchanging holes 110 of tube sheet 100, the outer wall of connecting tube 200 can be to meeting in the presence of expanded joint active force Plastic deformation occurs makes the outer surface of connecting tube 200 deform towards at the seal groove 120 and stopper slot 130 of tube sheet 100. That is, connecting tube 200 occurs plastic deformation by expanded joint mode to be made to produce installation portion on the outer surface of connecting tube 200, accordingly The quantity of installation portion be equal to the quantity of mounting groove, and be adapted with the shape of mounting groove respectively.In the present embodiment, installation portion Species be respectively raised 210 and protuberance 220, the projection 210 can be installed in the seal groove 120 of tube sheet 100, the protrusion Portion 220 can be installed in stopper slot 130.Seal groove 120 for sealing, install by the projection 210 of connecting tube 200 It is engaged in seal groove 130 and with seal groove 130, ensure that the sealing effectiveness between connecting tube 200 and tube sheet 100.Limit Position groove 130 is for spacing, to limit the displacement in heat exchanging holes 110 in axial direction of connecting tube 200.Stopper slot 130 with The protuberance 220 formed after the expanded joint of connecting tube 200 is engaged and mainly have two effects, and it is that protuberance 220 can be with that one acts on The side wall of stopper slot 130 contacts, plug leak passage, further enhances the sealing effect between tube sheet 100 and connecting tube 200 Really;Another effect is the axial direction that the cooperation of protuberance 220 and stopper slot 130 ensure that between connecting tube 200 and tube sheet 100 Tightening force.
Further, seal groove 120 has sealing surfaces, and stopper slot 130 has stop surface.Connecting tube 200 is installed on During heat exchanging holes 110, the projection 210 that the expanded joint of connecting tube 200 is formed can fit with the sealing surfaces of seal groove 120, connecting tube The protuberance 220 that 200 expanded joints are formed can contact with the stop surface of stopper slot 130.Connecting tube 200 is installed to tube sheet 100 Heat exchanging holes 110 in after, the expanded joint of connecting tube 200 formed projection 210 can be fitted close with seal groove 120, with ensure sealing Performance;The protuberance 220 that the expanded joint of connecting tube 200 is formed can contact with the stop surface of stopper slot 130, and stop surface can The axial displacement of protuberance 220 is limited, and then limits the displacement in axial direction of connecting tube 200, increase connecting tube 200 and tube sheet Axial tightening power between 100, it is ensured that the bonding strength of connecting tube 200 and tube sheet 100 when pressure is larger.
The present invention tube sheet 100 on seal groove 120 and stopper slot 130 with heat exchanging holes are mounted thereto by expanded joint mode Connecting tube 200 in 110 is engaged so that the projection 210 that the plastic deformation of connecting tube 200 is produced can fill full seal groove 120, Ensure that outer surface of the inner surface of seal groove 120 with raised 210 is brought into close contact, the leakage blocked between connecting tube 200 and tube sheet Passage, it is ensured that sealing effectiveness, the protuberance 220 that the plastic deformation of connecting tube 200 is produced is located in stopper slot 130, to limit connection The displacement in axial direction of pipe 200, increases the axial tightening power between connecting tube 200 and tube sheet 100.So, without the need in connection The sealing that fluid sealant is capable of achieving between connecting tube 200 and tube sheet is smeared between pipe 200 and tube sheet 100, assembly process is saved, is carried High efficiency of assembling.
The tube sheet 100 of the present invention is used to for the connecting tube 200 of heat exchanger to be installed on tube sheet by expanded joint mode.Connection Pipe 200 is installed in the heat exchanging holes 110 of tube sheet 100, and connecting tube 200 can occur plastic deformation by expanded joint mode, and even Raised 210 are formed on the surface of adapter 200, the projection 210 can be installed in the seal groove 120 of tube sheet 100.Also, due to Seal groove 120 is shaped as arc, and connecting tube 200 can be with seal groove 120 by the outer surface that expanded joint mode forms raised 210 Curved surfaces be brought into close contact, to block the leakage path between connecting tube 200 and tube sheet 100, it is ensured that raised 210 outer surface With the curved surfaces sealing effectiveness of seal groove 120, the sealing property between connecting tube 200 and tube sheet 100 is improved.Meanwhile, tube sheet 100 simple structures, can improve connecting tube 200 and pacify by raised 210 outer surface with the cooperation of the curved surfaces of seal groove 120 The sealing effectiveness of dress, without the need for smearing fluid sealant between tube sheet 100 and connecting tube 200 again, solves the problems, such as expanded joint gluing, improves dress With efficiency.The tube sheet 100 of the invention of the present invention is connected by the curved surfaces of seal groove 120 with the connecting tube 200 after expanded joint Touch, it is ensured that the sealing property between connecting tube 200 and tube sheet 100, effectively solve current connecting tube 200 and seal with tube plate expanded-connecting After still suffer from leaking caused seal failure problem, improve sealing effectiveness, and then ensure the reliability of air conditioning unit work.
Used as a kind of embodiment, the cross sectional shape of seal groove 120 is shaped form, can so make connecting tube 200 swollen The shape of the projection 210 for practicing midwifery raw is consistent with the shape of seal groove 120, is easy to the projection 210 of connecting tube 200 and can fill full Seal groove 120, the inner surface for making seal groove 120 is fitted completely with the outer surface of the projection 210 of connecting tube 200, it is ensured that closure sealing Leakage path between groove 120 and connecting tube 200, it is ensured that the sealing effectiveness between tube sheet 100 and connecting tube 200.It is preferred that In the present embodiment, the cross sectional shape of seal groove 120 is arc.Cross sectional shape can be easy to connecting tube for the seal groove 120 of arc The projection 210 being engaged with arc seal groove 120, and then raised 210 filling full seal groove 120 are produced during 200 expanded joint, it is ensured that close Outer surface of the inner surface of sealing groove 120 with raised 210 is brought into close contact, and the leakage path blocked between connecting tube 200 and tube sheet rises To sealing function, it is ensured that sealing effectiveness.Certainly, in the other embodiment of the present invention, the cross sectional shape of seal groove 120 may be used also Think V-arrangement, polygon or irregular shape, it is also possible to be spliced to form by multistage arc.
Also, the cross sectional shape of stopper slot 130 is rectangle, when connecting tube 200 is installed in heat exchanging holes 110, connecting tube 200 By the swollen head extruding of expansion joint equipment occur it is irregular be plastically deformed protuberance 220, and enter into the stopper slot 130 of rectangle In.Due to the restriction of the shape of stopper slot 130, the protuberance 220 formed after the plastic deformation of connecting tube 200 is irregular state, And then cause protuberance 220 from being filled up completely with the stopper slot 130 of full rectangle, the surface of protuberance 220 can only part with it is spacing The side wall of groove 130 contacts.The stopper slot 130 of rectangle is engaged with the protuberance 220 formed after the expanded joint of connecting tube 200 mainly to be had Two effects, an effect is that protuberance 220 can contact with the side wall of stopper slot 130, plug leak passage, is further increased Strong sealing effectiveness between tube sheet 100 and connecting tube 200;Another effect is that protuberance 220 can with the cooperation of stopper slot 130 Ensure the axial tightening power between connecting tube 200 and tube sheet 100.Specifically, because the side wall of stopper slot 130 is relative to heat exchanging holes It is vertically disposed for 110 inwall, the side wall energy of stopper slot 130 enough limits protuberance 220 and skids off from stopper slot 130, To limit the displacement in axial direction of connecting tube 200, also, the side wall of stopper slot 130 is gone back while limiting 220 position of protuberance Can guarantee that the axial tightening power between connecting tube 200 and tube sheet 100, strengthen the intensity of tube sheet 100, so extend tube sheet 100 with Burn-out life at the cooperation of connecting tube 200.
Used as a kind of embodiment, the quantity of seal groove 120 is one, and stopper slot with the quantity of stopper slot 130 130 are located between seal groove 120 and the outer wall of tube sheet 100.The inwall of tube sheet 100 can contact with coolant or water, tube sheet 100 Outer wall can not then there is coolant or water, if there is then can be shown that between tube sheet 100 and connecting tube 200 exist leakage.And Between the outer wall of seal groove 120 and tube sheet 100, that is, the coolant for leaking or water first can contact with seal groove 120, by seal groove The 120 cooperation plug leak passages with raised 210, make coolant or water to enter in stopper slot 130 as far as possible.If by sealing Groove 120 still suffers from the coolant or the water phenomenon that leak after sealing when, ensureing to connect by the cooperation of stopper slot 130 and protuberance 220 While axial tightening power between adapter 200 and tube sheet 100, it is further ensured that between tube sheet 100 and connecting tube 200 and seals. Certainly, stopper slot 130 may be alternatively located at the front side of seal groove 120.The coolant for leaking or water first can contact with stopper slot 130.
Used as a kind of embodiment, the quantity of seal groove 120 is at least two, and at least two seal grooves 120 are along heat exchange The axial direction in hole 110 is arranged in rows, and there is spacing between two adjacent seal grooves 120.Connecting tube 200 passes through expanded joint side When formula is installed in the heat exchanging holes 110 of tube sheet 100, due to the external surface shape of connecting tube 200 can become with heat exchanging holes 110 There is the quantity of projection 210 and the seal groove 120 on tube sheet 100 that plastic deformation is produced in the consistent shape of wall, i.e. connecting tube 200 Quantity is consistent, the projection 210 that one plastic deformation of connecting tube 200 of correspondence of each seal groove 120 is produced.It is close by least two Sealing groove 120 is engaged installation with the projection 210 formed after the plastic deformation of connecting tube 200 respectively, and each raised 210 can fill Full corresponding seal groove 120, is brought into close contact outer surface of the inner surface of seal groove 120 with raised 210.So, when there is coolant Or water enter between tube sheet 100 and connecting tube 200 gap when, raised 210 can stop with the tight fit of seal groove 120 The flowing of part coolant or water, it is at least convex because at least two seal grooves 120 are the axial unwrapping wire settings along heat exchanging holes 110 When playing 210 and filling full at least two seal groove 120 respectively, coolant or water can repeatedly be stopped, reduce coolant leakage with The hidden danger of system water inlet, it is ensured that sealing effectiveness.Certainly, in the other embodiment of the present invention, at least two seal grooves 120 Can continuously arrange.That is, neighbour setting of at least two seal groove 120 forms waveform, connecting tube is so enabled to 200 can produce the projection 210 being adapted with waveform in expanded joint, it is ensured that connecting tube 200 and the sealed reliable of tube sheet 100.
It is preferred that stopper slot 130 is located between two adjacent seal grooves 120.So can be before and after stopper slot 130 Both sides form sealing ring, it is ensured that the sealing effectiveness of tube sheet 100 and connecting tube 200.Certainly, stopper slot 130 is close positioned at least two The rear side of sealing groove 120.So also ensure that the sealing effectiveness of tube sheet 100 and connecting tube 200.Certainly, the quantity of stopper slot 130 For at least two, at least two stopper slots 130 and at least two seal grooves 120 staggeredly interval setting.So also ensure that pipe The sealing effectiveness of plate 100 and connecting tube 200.
Used as a kind of embodiment, the scope of the central angle of the arc section of seal groove 120 is 60 °~210 °.Such energy Enough it is easy to the machine-shaping of seal groove 120, while plastic deformation enters into seal groove when can also be easy to 200 expanded joint of connecting tube In 120, it is easy to assembling.It is preferred that in the present embodiment, the scope of the central angle of the arc section of seal groove 120 is 90 °~ 180°.That is, the arc of seal groove 120 chooses the upper string section of circle.
Further, seal groove 120 is 2mm~3mm along the scope of depth h1 of the radial direction of heat exchanging holes 110.Sealing The size range of the radius R of the arc section of groove 120 is 5mm~6mm.So can be after the plastic deformation of connecting tube 200 be ensured The full seal groove 120 of raised 210 filling, while the length in axial direction of seal groove 120 can also be increased, and then extend coolant or The flow path of water, reduces slip, it is ensured that sealing effectiveness.It can also enough increasing between connecting tube 200 and tube sheet 100 Contact area, to increase axial tightening power, it is ensured that tube sheet 100 fixes reliability with connecting tube 200.Yet further, seal groove 120 It is 2mm~3mm along the scope of the A/F W1 of the axial direction of heat exchanging holes 110.
Further, stopper slot 130 is 3mm~4mm along the scope of depth h2 of the radial direction of heat exchanging holes 110.This Sample can increase the increase axial tightening power between connecting tube 200 and tube sheet 100, it is ensured that tube sheet 100 is fixed with connecting tube 200 can Lean on.It can also enough increasing the length in axial direction of seal groove 120, and then extend the flow path of coolant or water, reduce letting out Leak rate, it is ensured that sealing effectiveness.Also, stopper slot 130 along the width W2 of the axial direction of heat exchanging holes 110 scope be 2mm~ 3mm.Now, the cross sectional shape of stopper slot 130 is rectangle.Certainly, width of the stopper slot 130 along the axial direction of heat exchanging holes 110 Degree W2 can also be equal along depth h2 of the radial direction of heat exchanging holes 110 with stopper slot 130.Now, the cross sectional shape of stopper slot 130 For square.No matter the cross sectional shape of stopper slot 130 is rectangle or square, after with the plastic deformation of connecting tube 200 Protuberance 220 can increase the axial tightening power between connecting tube 200 and tube sheet 100 after contacting, it is ensured that tube sheet 100 it is strong Degree.
In the present embodiment, the quantity of seal groove 120 is two, and the cross sectional shape of seal groove 120 is arc;Rectangular channel Quantity be one, and the rectangular setting of cross sectional shape of stopper slot 130.Stopper slot 130 is located between two seal grooves 120, Also, the distance between the seal groove 120 adjacent with both sides of stopper slot 130 is identical.That is, tube sheet 100 on using close The mode and connecting tube 200 of sealing groove 120+ stopper slot 130+ seal grooves 120 is engaged, during 200 expanded joint of connecting tube, connecting tube 200 The projection 210 that plastic deformation is produced can fill the seal groove 120 of full arc, make raised 210 outer surface and seal groove 120 Inner surface is tight, it is ensured that sealing effectiveness;The protuberance 220 that the plastic deformation of connecting tube 200 is produced can be with the side wall of stopper slot 130 Contact, it is ensured that the axial tightening power between connecting tube 200 and tube sheet 100, strengthen the intensity of tube sheet 100.Also, two sealings Groove 120 is disposed on the both sides of stopper slot 130, the phase of projection 210 formed after two seal grooves 120 and the expanded joint of connecting tube 200 Cooperation can form double seal ring, play a part of " dual fail-safe ", it is ensured that the sealing effectiveness between tube sheet 100 and connecting tube 200, Slip is effectively reduced, while, moreover it is possible to avoid position of the connecting tube 200 in tube sheet 100 that play occurs, it is ensured that performance.
Present invention also offers a kind of heat exchanger, including connecting tube 200 and the tube sheet in above-described embodiment 100.Connection Pipe 200 is heat exchanger tube, and connecting tube 200 is installed in the heat exchanging holes 110 of tube sheet 100, and by expanded joint mode and the peace of tube sheet 100 Tankage is engaged.The heat exchanger of the present invention is realized being tightly connected with connecting tube 200 by tube sheet 100, closure connecting tube 200 With the leakage path between tube sheet 100, it is ensured that the sealing effectiveness between connecting tube 200 and tube sheet 100, while connection can also be improved Axial tightening power between pipe 200 and tube sheet 100, makes connecting tube 200 reliably be fixed in tube sheet 100, to improve heat exchange The service life of device, reduces the hidden danger of coolant leakage and system water inlet.
Present invention also offers it is a kind of air conditioning unit, including the heat exchanger in above-described embodiment.The air conditioner of the present invention Group realizes the sealing effectiveness and service life that are tightly connected raising heat exchanger with connecting tube 200, Jin Erti by tube sheet 100 High air conditioning unit performance.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but and Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the guarantor of the present invention Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.

Claims (18)

1. a kind of tube sheet, it is characterised in that the heat exchanging holes for installing connecting tube (200) are offered on the tube sheet (100) (110);
The different mounting groove of at least two cross sectional shapes is further opened with the tube sheet (100);
Axis direction of the mounting groove described at least two along the heat exchanging holes (110) is arranged in rows.
2. tube sheet according to claim 1, it is characterised in that the different mounting groove of cross sectional shape is two kinds, respectively For seal groove (120) and stopper slot (130);
The seal groove (120) can seal the junction of the connecting tube (200) and the tube sheet (100);The stopper slot (130) displacement of the connecting tube (200) along the heat exchanging holes (110) axis direction can be limited.
3. tube sheet according to claim 2, it is characterised in that the seal groove (120) is with the stopper slot (130) along institute The circumferential direction for stating heat exchanging holes (110) is annularly arranged on the inwall of the heat exchanging holes (110).
4. tube sheet according to claim 2, it is characterised in that the seal groove (120) is described spacing with sealing surfaces Groove (130) is with stop surface;
When the connecting tube (200) is installed on the heat exchanging holes (110), the projection (210) that connecting tube (200) expanded joint is formed Can fit with the sealing surfaces of the seal groove (120), protuberance (220) energy that connecting tube (200) expanded joint is formed It is enough to contact with the stop surface of the stopper slot (130).
5. tube sheet according to claim 2, it is characterised in that the cross sectional shape of the seal groove (120) is arc or V Shape;
The cross sectional shape of the stopper slot is rectangle.
6. the tube sheet according to any one of claim 2 to 5, it is characterised in that the quantity of the seal groove (120) with it is described The quantity of stopper slot (130) is one, and the stopper slot (130) is positioned at the seal groove (120) and the tube sheet (100) Outer wall between.
7. the tube sheet according to any one of claim 2 to 5, it is characterised in that the quantity of the seal groove (120) is at least Two, axial direction arranged in rows and adjacent two of the seal groove described at least two (120) along the heat exchanging holes (110) There is spacing between the seal groove (120).
8. the tube sheet according to any one of claim 2 to 5, it is characterised in that the quantity of the seal groove (120) is at least Two, seal groove described at least two (120) is arranged in rows along the axial direction of the heat exchanging holes (110), and at least two institutes State seal groove (120) continuously to arrange.
9. tube sheet according to claim 7, it is characterised in that the stopper slot (130) is described close positioned at adjacent two Between sealing groove (120).
10. tube sheet according to claim 7, it is characterised in that the stopper slot (130) seals positioned at described at least two The rear side of groove (120).
11. tube sheets according to claim 7, it is characterised in that the quantity of the stopper slot (130) is at least two, extremely Few two stopper slots (130) and seal groove (120) described at least two interlock interval setting.
12. tube sheets according to claim 5, it is characterised in that the model of the central angle of seal groove (120) arc section Enclose for 60 °~210 °.
13. tube sheets according to claim 5, it is characterised in that the seal groove (120) is along the heat exchanging holes (110) The depth bounds of radial direction is 2mm~3mm;
The size range of the radius of the arc section of the seal groove (120) is 5mm~6mm.
14. tube sheets according to claim 13, it is characterised in that the seal groove (120) is along the heat exchanging holes (110) The opening width range of axial direction is 2mm~3mm.
15. tube sheets according to claim 5, it is characterised in that the stopper slot (130) is along the heat exchanging holes (110) The depth bounds of radial direction is 3mm~4mm.
16. tube sheets according to claim 15, it is characterised in that the stopper slot (130) is along the heat exchanging holes (110) The deep equality of the width of axial direction and the stopper slot (130) along the radial direction of the heat exchanging holes (110);
Or, the stopper slot (130) is 2mm~3mm along the width range of the axial direction of the heat exchanging holes (110).
17. a kind of heat exchangers, it is characterised in that including connecting tube (200) and the pipe as described in any one of claim 1 to 16 Plate (100);
The connecting tube (200) is heat exchanger tube, and the connecting tube (200) is installed on the heat exchanging holes (110) of the tube sheet (100) In, and be engaged with the mounting groove of the tube sheet (100) by expanded joint mode.
18. is a kind of air conditioning unit, it is characterised in that including heat exchanger as claimed in claim 17.
CN201710049700.3A 2017-01-23 2017-01-23 Air conditioner unit, heat exchanger and tubular plate CN106595376A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710049700.3A CN106595376A (en) 2017-01-23 2017-01-23 Air conditioner unit, heat exchanger and tubular plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710049700.3A CN106595376A (en) 2017-01-23 2017-01-23 Air conditioner unit, heat exchanger and tubular plate

Publications (1)

Publication Number Publication Date
CN106595376A true CN106595376A (en) 2017-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710049700.3A CN106595376A (en) 2017-01-23 2017-01-23 Air conditioner unit, heat exchanger and tubular plate

Country Status (1)

Country Link
CN (1) CN106595376A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2645023Y (en) * 2003-08-13 2004-09-29 华东理工大学 Heat exchanger tube plate with grooves
CN202614067U (en) * 2012-05-25 2012-12-19 珠海格力电器股份有限公司 Heat exchanger and pipe plate thereof
CN202853460U (en) * 2012-10-22 2013-04-03 兰州兰石重型装备股份有限公司 Heat exchanger tube plate slot sealing device
CN203772090U (en) * 2014-04-02 2014-08-13 华电重工股份有限公司 Indirect air cooling tube with engaged and fixed tubular plate and base tube
CN206488685U (en) * 2017-01-23 2017-09-12 格力电器(合肥)有限公司 Air-conditioner set, heat exchanger and its tube sheet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2645023Y (en) * 2003-08-13 2004-09-29 华东理工大学 Heat exchanger tube plate with grooves
CN202614067U (en) * 2012-05-25 2012-12-19 珠海格力电器股份有限公司 Heat exchanger and pipe plate thereof
CN202853460U (en) * 2012-10-22 2013-04-03 兰州兰石重型装备股份有限公司 Heat exchanger tube plate slot sealing device
CN203772090U (en) * 2014-04-02 2014-08-13 华电重工股份有限公司 Indirect air cooling tube with engaged and fixed tubular plate and base tube
CN206488685U (en) * 2017-01-23 2017-09-12 格力电器(合肥)有限公司 Air-conditioner set, heat exchanger and its tube sheet

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