CN106151646B - The processing method of explosion-proof coil, electric expansion valve and explosion-proof coil - Google Patents
The processing method of explosion-proof coil, electric expansion valve and explosion-proof coil Download PDFInfo
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- CN106151646B CN106151646B CN201510171848.5A CN201510171848A CN106151646B CN 106151646 B CN106151646 B CN 106151646B CN 201510171848 A CN201510171848 A CN 201510171848A CN 106151646 B CN106151646 B CN 106151646B
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- proof coil
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- 238000003672 processing method Methods 0.000 title claims abstract description 22
- 238000004804 winding Methods 0.000 claims abstract description 85
- 238000005538 encapsulation Methods 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 29
- 238000003466 welding Methods 0.000 claims description 11
- 238000004382 potting Methods 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 5
- 238000012163 sequencing technique Methods 0.000 claims description 2
- 238000010292 electrical insulation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000002650 habitual effect Effects 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F2007/062—Details of terminals or connectors for electromagnets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnets (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention discloses a kind of explosion-proof coils, including winding (1), winding shell (2), winding shell (2) is equipped with cable mounting portion (3), wiring board (4), lead (5) are installed on wiring board (4), it is provided with sheath (6) outside lead, winding shell (2) is also fixedly connected with housing (7) outside；The top of housing (7) is higher than the bottom end of sheath (6), and housing (7), cable mounting portion (3), wiring board (4), lead (5) and part sheath (6) encapsulating are integral.Compared with the prior art, the explosion-proof coil realizes the encapsulating to 6 bottom end of sheath, guarantees the electrical insulation properties of 4 junction of wiring board, improves the explosion-proof performance of explosion-proof coil, country is complied with to explosion-proof coil authentication requesting, while being also able to satisfy the market demands of the explosion-proof coil of electric expansion valve.The present invention also provides the processing methods of a kind of electric expansion valve of application explosion-proof coil and explosion-proof coil.
Description
Technical field
The present invention relates to technical field of refrigeration equipment more particularly to a kind of explosion-proof coils, electric expansion valve and explosion-proof line
The processing method of circle.
Background technique
Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the structural schematic diagram of the coil of electric expansion valve in the prior art, and Fig. 2 is in Fig. 1
The structural schematic diagram of housing.
The coil includes winding 1 ', winding shell 2 ', cable mounting portion 3 ', wiring board set on 2 ' outside of winding shell
4 ', cable mounting portion 3 ' is above connected with lead 5 ' and 5 ' outside of lead is provided with sheath 6 ', and winding shell 2 ' is fixedly connected with outside
Housing 7 '.The housing 7 ' is the half-packaging shell structure of upper end, inside opening, height and coil main body combined with Figure 1 and Figure 2,
Height remain basically stable.
The inside relative line plate 4 ' of housing 7 ' is arranged, and housing 7 ' and winding shell 2 ' is welded in one, so that housing
Cavity is formed between 7 ' and winding shell 2 ', cable mounting portion 3 ', wiring board 4 ' and lead 5 ' are both contained in the cavity.So
Afterwards, Embedding Material is poured into the cavity, Embedding Material inwardly flows to 8 ' containing slots of buckle along 3 ' top of cable mounting portion, finally
By winding shell 2 ', buckle 8 ', cable mounting portion 3 ', lead 5 ', wiring board 4 ' and 7 ' encapsulating of housing in one, overall wire is formed
Coil structures.
However, the height of above-mentioned housing 7 ' is lower, the sheath 6 ' of lead 5 ' is set to top namely the housing 7 ' of housing 7 '
Not by 6 ' encapsulating of sheath in wherein, and the explosion-proof coil of electric expansion valve requires 6 ' encapsulating of sheath apart from minimum 5mm, therefore,
The loop construction is unable to reach the authentication requesting of explosion-proof coil, is also unable to satisfy the market demands of the explosion-proof coil of electric expansion valve.
In view of this, it would be highly desirable in view of the above technical problems, the explosion-proof line of optimization design electric expansion valve in the prior art
Circle improves its explosion-proof performance, it is made to meet recognizing for explosion-proof coil to realize the encapsulating to sheath by the improvement to casing structure
Card requires and market demands.
Summary of the invention
It is an object of the present invention to provide a kind of explosion-proof coil, which realizes the encapsulating to part sheath, improves
The explosion-proof performance of explosion-proof coil, makes it meet authentication requesting and market demands.On this basis, another object of the present invention is
The processing method of the electric expansion valve and explosion-proof coil of a kind of application explosion-proof coil is provided.
In order to solve the above technical problems, the present invention provides a kind of explosion-proof coil, including winding, winding shell, the winding
Shell is equipped with cable mounting portion, wiring board, and lead is equipped on the wiring board, is provided with sheath outside the lead, described
Housing is also fixedly connected with outside winding shell；The top of the housing is higher than the bottom end of the sheath, the housing, the cable
Mounting portion, the wiring board, the sheath encapsulating of the lead and part are integral.
Compared with the prior art, which realizes the encapsulating to sheath bottom end, guarantees the electricity of wiring board junction
Gas insulation performance improves the explosion-proof performance of explosion-proof coil, and complying with country can expire to explosion-proof coil authentication requesting, while also
The market demands of the explosion-proof coil of sufficient electric expansion valve.
Preferably, the winding shell is equipped with buckle, and the housing includes shroud body and separator, the separator
Diversion trench is formed between the cable mounting portion, and the first encapsulation cavity is formed between the housing and the winding shell, it is described
There is the second encapsulation cavity being connected to by the diversion trench with first encapsulation cavity, the jacket portions encapsulating on winding shell
In first encapsulation cavity, the buckle part encapsulating is in second encapsulation cavity.
Preferably, the shroud body and the separator are split type structure.
Preferably, the shroud body is an integral molding structure with the separator.
Preferably, the encapsulating length of the sheath is greater than or equal to 5mm.
Preferably, the housing and the winding shell are ultrasonically welded at one.
Preferably, the weld of the shroud body and the winding shell is equipped with the leakproof for preventing potting material leaks
Slot.
A kind of electric expansion valve, including valve body, the explosion-proof coil being connect with the valve body；The explosion-proof coil is using as above
The explosion-proof coil.
The present invention also provides a kind of processing methods of explosion-proof coil, include the following steps:
(S10) processing has the housing of separator and shroud body；
(S20) processing has the winding shell of the second encapsulation cavity；
(S30) lead of the installation with sheath on the winding shell；
(S40) housing is fixedly connected on to the corresponding position of the winding hull outside so that the separator with
Diversion trench is formed between the cable mounting portion of the winding shell, is formed described in surrounding between the housing and the winding shell
First encapsulation cavity of lead, part sheath, second encapsulation cavity are connected to by the diversion trench with first encapsulation cavity；
(S50) Embedding Material is poured into first encapsulation cavity for the first time, and encapsulating height is higher than the diversion trench
Highly；
(S60) Embedding Material is poured into first encapsulation cavity second, and encapsulating height is higher than the bottom of the sheath
End.
Preferably, further include step (Sa) between step (S20) and step (S50): being arranged on the winding shell
Buckle, and it is extended partially into buckle in second encapsulation cavity.
Preferably, the step (S10) exchanges with the sequencing of the step (S20).
Preferably, the step (S30) specifically comprises the following steps:
(S31) cable mounting portion is installed on the winding shell；
(S32) wiring board is installed on the cable mounting portion；
(S33) lead of the installation with sheath on the wiring board；
And the step (S31), step (S32), the sequence between step (S33) three can exchange.
Preferably, in step (S60), the upper surface of the Embedding Material is at least 5mm higher than the bottom end of the sheath.
Preferably, in the step (S10), by be integrally machined molding mode processing with the shroud body with it is described
The housing of separator.
Preferably, the step (S1) specifically includes:
Step (S11): the shroud body is processed；
Step (S12): the separator is processed；
Step (S13): the shroud body manufactured in step (S11) described is isolated with manufactured in step (S12)
Part is welded and fixed, and the housing is made, wherein the step (S11) and the sequence of the step (S12) are interchangeable.
Preferably, in step (S40), the shroud body is fixed with the winding case weld.
Preferably, in step (S40), the shroud body is fixed with the winding shell by ultrasonic bonding.
It preferably, further include step (Sc) after step (S20), before step (S40): in the use of the winding shell
In preventing the leakage-proof sockets of potting material leaks with housing bearing processing.
Since above-mentioned explosion-proof coil has technical effect as above, using the electric expansion valve of the explosion-proof coil, this is anti-
The processing method of quick-fried coil should also be as technical effect having the same, and details are not described herein.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the coil of electric expansion valve in the prior art；
Fig. 2 is the structural schematic diagram of housing in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of specific embodiment of the housing of explosion-proof coil provided by the present invention；
Fig. 4 is the structural schematic diagram of the winding assembly of explosion-proof coil provided by the present invention；
Fig. 5 is that housing shown in Fig. 3 is welded in the structural schematic diagram on winding assembly shown in Fig. 4；
Fig. 6 is the structural schematic diagram of the explosion-proof coil after first time encapsulating；
Fig. 7 is the structural schematic diagram of the explosion-proof coil after second of encapsulating；
Fig. 8 is the overall appearance structure chart of the explosion-proof coil after second of encapsulating；
Fig. 9 is a kind of flow diagram of specific embodiment of the processing method of explosion-proof coil provided by the present invention.
Wherein, Fig. 1 is into Fig. 2:
Winding 1 '；Winding shell 2 '；Cable mounting portion 3 '；Wiring board 4 '；Lead 5 '；Sheath 6 '；Housing 7 '；Buckle 8 '；
Fig. 3 is into Fig. 8:
Winding 1；Winding shell 2；Cable mounting portion 3；Wiring board 4；Lead 5；Sheath 6；Buckle 8；Second encapsulation cavity 81；
Housing 7；Separator 71；Diversion trench 72；Leakage-proof socket 73；Shroud body 74；First encapsulation cavity 75.
Specific embodiment
Core of the invention is to provide a kind of explosion-proof coil, realizes the encapsulating to sheath, improves the explosion-proof of explosion-proof coil
Performance makes it meet authentication requesting and market demands.On this basis, another object of the present invention is that provide a kind of application this is anti-
The processing method of the electric expansion valve of quick-fried coil and the explosion-proof coil.
It is with reference to the accompanying drawing and specific real in order to make those skilled in the art more fully understand technical solution of the present invention
Applying example, the present invention is described in further detail.
It should be noted that the herein presented noun of locality " inside of housing " refers to one of housing towards winding shell
Side, the i.e. right side of housing in Fig. 5；It should be appreciated that the noun of locality is attached with the habitual usage of those skilled in the art, specification
It is established on the basis of figure, its appearance should not influence protection scope of the present invention.
Fig. 3 to Fig. 5 is please referred to, and combines one kind that Fig. 8, Fig. 3 are the housing of explosion-proof coil provided by the present invention specific
The structural schematic diagram of embodiment；Fig. 4 is the structural schematic diagram of the winding assembly of explosion-proof coil provided by the present invention；Fig. 5 is
Housing shown in Fig. 3 is welded in the structural schematic diagram on winding assembly shown in Fig. 4；Fig. 8 is the explosion-proof line after second of encapsulating
The overall appearance structure chart of circle.
In a specific embodiment, as shown above, the present invention provides a kind of explosion-proof coil, including winding 1, around
Group shell 2, winding shell 2 are equipped with cable mounting portion 3, wiring board 4, and lead 5 is equipped on wiring board 4, is provided with outside lead
Sheath 6, winding shell 2 are also fixedly connected with housing 7 outside.The top of housing 7 is higher than the bottom end of sheath 6, housing 7, cable installation
Portion 3, wiring board 4, lead 5 and 6 encapsulating of part sheath are integral.
Using this structure, compared with the prior art, which realizes the encapsulating to 6 bottom end of sheath, guarantees line
The electrical insulation properties of 4 junction of road plate, improve the explosion-proof performance of explosion-proof coil, comply with country and authenticate to explosion-proof coil
It is required that while be also able to satisfy electric expansion valve explosion-proof coil market demands.
In specific scheme, above-mentioned winding shell 2 is equipped with buckle 8, and housing 7 includes shroud body 74 and separator 71,
Diversion trench 72 (as shown in Figure 6) is formed between separator 71 and cable mounting portion 3, forms first between housing 7 and winding shell 2
Encapsulation cavity 75, has the second encapsulation cavity 81 being connected to by diversion trench 72 with the first encapsulation cavity 75 on winding shell 2, and sheath 6
Divide encapsulating in the first encapsulation cavity 75, buckles 8 part encapsulatings in the second encapsulation cavity 81.
Using this structure, since housing 7 is equipped with separator 71, by the fixed company of the corresponding position of housing 7 and winding shell 2
After connecing, part sheath 6, lead 5, wiring board 4, cable mounting portion 3 can be all surrounded in the first encapsulation cavity 75.Using into
After one step pours into Embedding Material into first encapsulation cavity 75, Embedding Material gradually accumulation, its liquid level in the first encapsulation cavity 75
Constantly increase, when being increased to the position of diversion trench 72, Embedding Material flow to the second encapsulation cavity 81 outward by diversion trench 72, works as filling
After closure material fills the second encapsulation cavity 81, continuation is accumulated in the first encapsulation cavity 75, and liquid level continues to increase, until not crossing sheath 6,
The top of housing 7 is eventually arrived at, stops encapsulating, finally obtains buckle 8, winding shell 2, cable mounting portion 3, wiring board 4, lead
5 and 6 encapsulating of part sheath in one explosion-proof coil.
The difference in height of the top of above-mentioned housing 7 and 6 bottom end of sheath can authentication requesting, Embedding Material according to explosion-proof coil
The amount of pouring into and country the factors such as the authentication requesting of 6 encapsulating distance of sheath are rationally preset, for different types of explosion-proof
Coil can preset different differences in height, so that each type of explosion-proof coil is right apart from country is all met to the encapsulating of sheath 6
The authentication requesting of explosion-proof coil.
In specific scheme, above-mentioned shroud body 74 and separator 71 can be split type structure.For example, the two can lead to
Snap-in structure clamping is crossed, part is perhaps connected through a screw thread and is threadedly coupled or is welded in one again after the two parts processing,
Further progress seals later.
It is contemplated that above-mentioned shroud body 74 and separator 71 or integrated formed structure, for example, integrated injection molding at
Type.
In another specific scheme, the encapsulating length of above-mentioned sheath 6 is greater than or equal to 5mm.In this way, sufficiently meeting state
Minimum 5mm of the family to explosion-proof coil authentication requesting.It, can also be by sheath 6 for the insulation performance for further increasing explosion-proof coil
Encapsulating length is greater than 10mm.It is of course also possible to by the control of encapsulating length between 5mm~10mm.
In another embodiment specific implementation mode, above-mentioned housing 7 is with winding shell 2 by being ultrasonically welded at one.
Ultrasonic bonding be body surface is transmitted to using high-frequency vibration wave, and make in the case where pressurization housing 7 and around
It organizes 2 surface phase mutual friction of shell and forms the fusion between molecular layer, the weld strength of ultrasonic bonding is high, bonding is firm, this
So that the integral structure of explosion-proof coil is stronger, and has the advantages that energy conservation and environmental protection.
Certainly, above-mentioned housing 7 and winding shell 2 and not only limit this welding manner, can also using hot air welding, rub
Other welding methods such as welding.
In further scheme, as shown in figure 3, the weld of shroud body 74 and winding shell 2, which is equipped with, prevents encapsulating
The leakage-proof socket 73 of material leakage.
In this way, even if occur in welding process weld seam it is sternly not equal compared with nibs when, Embedding Material is not yet in potting process
Can be overflowed outward, but entered in leakage-proof socket 73 by weld seam, thus ensure that encapsulating operation stability and explosion-proof coil
Appearance cleaning.
In addition, the present invention also provides a kind of electric expansion valve, the explosion-proof coil that is connect including valve body, with valve body；Explosion-proof line
Circle is using explosion-proof coil as above.
Since above-mentioned explosion-proof coil has technical effect as above, it is also answered using the electric expansion valve of the explosion-proof coil
When technical effect having the same, details are not described herein.
Referring to FIG. 9, Fig. 9 is a kind of process of specific embodiment of the processing method of explosion-proof coil provided by the present invention
Block diagram.
In a specific embodiment, the present invention also provides a kind of processing method of explosion-proof coil, include the following steps:
S10: the housing 7 with separator 71 and shroud body 74 is processed；
In the step, the housing 7 that shroud body 74 and separator 71 can be had by being integrally machined molding mode processing,
This makes housing 7 have the advantages that structure is simple, processing program is less.
Of course, it is possible to which three can be divided by setting split type structure namely step S10 for shroud body 71, separator 74
A step carries out:
S11: processing shroud body 74；
S12: processing separator 71；
S13: manufactured shroud body 74 and manufactured separator 71 are welded and fixed, housing 7 is made, wherein processing cover
The step S11 of shell ontology 71, the sequence for the step S12 for processing separator 74 are interchangeable.
S20: the winding shell 2 with the second encapsulation cavity 81 is processed；
It should be noted that above-mentioned steps S10 and S20 are respectively the step of processing housing 7, processing winding shell 2, at this
In method, can according to first carry out step S10, again execute step S20 sequence execute, it is of course also possible to according to first carry out step
Rapid S20, the sequence for executing step S10 again execute.
S30: installation has the lead 5 of sheath 6 on winding shell 2；
Housing 7: being fixedly connected on the corresponding position in 2 outside of winding shell by S40, so that separator 71 and winding shell 2
Cable mounting portion 3 between form diversion trench 72, formed between housing 7 and winding shell 2 surround lead 5, part sheath 6 the
One encapsulation cavity 75, the second encapsulation cavity 81 are connected to by diversion trench with the first encapsulation cavity 75；
In step s 40, housing 7 can be welded and fixed with winding shell 2.It specifically, can be by super with winding shell 2
Sound wave is welded and fixed.The weld strength of ultrasonic bonding is high, bonding is firm, this makes the integral structure of explosion-proof coil more firm
Gu and having the advantages that energy conservation and environmental protection.Two can also be fixedly connected with using other welding methods such as hot air welding, friction weldings
Person.Or housing 7, winding shell 2 are fixedly connected with using the method for bonding.
The effect of tetra- steps of above-mentioned S10 to S40 is housing 7 to be fixed on to the main body of explosion-proof coil, and formed for filling
The two chambers of envelope are prepared for further encapsulating step.
S50: Embedding Material is poured into the first encapsulation cavity 75 for the first time, and encapsulating height is higher than the height of diversion trench 72；
After pouring into Embedding Material into the first encapsulation cavity 75, Embedding Material gradually accumulation, its liquid in the first encapsulation cavity 75
Face is constantly increased, and the position of diversion trench 72 is increased to, and Embedding Material is flow to the second encapsulation cavity 81 outward by diversion trench 72, consolidated
Change, thus by winding shell 2 and 7 encapsulating of housing in one.
S60: second pours into Embedding Material into the first encapsulation cavity 75, and encapsulating height is higher than the bottom end of sheath 6.
After Embedding Material fills the second encapsulation cavity 81, continuation is accumulated in the cavities, and liquid level continues to increase, and is protected until not crossing
Set 6 eventually arrives at the top of housing 7, stops encapsulating, finally obtains winding shell 2,7 encapsulating of lead 5, part sheath 6 and housing
In the explosion-proof coil of one.
By the above process it is found that in this way, realizing the encapsulating to sheath 6 by encapsulating twice, improving anti-
The explosion-proof performance of quick-fried coil complies with country to explosion-proof coil authentication requesting, while being also able to satisfy the explosion-proof of electric expansion valve
The market demands of coil.
Further include step Sa between above-mentioned steps S20 and step S50 in further embodiment: being arranged on winding shell 2
Buckle 8, and it is extended partially into buckle 8 in second encapsulation cavity 81.
In this way, in step S50 first time potting process, it, can be by card after Embedding Material enters the second encapsulation cavity 81, solidification
Button 8 solidifies with winding shell 2 in one, to 8 further winding shell 2 be fixed using buckle, and realize simultaneously around
Group shell 2 and 7 encapsulating of housing are in one.
In another specific embodiment, above-mentioned steps S30 specifically comprises the following steps:
S31: cable mounting portion 3 is installed on winding shell 2；
S32: wiring board 4 is installed on cable mounting portion 3；
S33: installation has the lead 5 of sheath 6 in assist side 4；
In this way, cable mounting portion 3 is used to install the cable of electromagnetic coil, it is powered convenient for electromagnetic coil, wiring board 4 is convenient for each
Cable end rational deployment, so that one end of sheath 6 is fixed in the first encapsulation cavity 75 by lead, the other end stretches out housing 7
Except, namely realize state lead 5 and part sheath 6 being surrounded in first encapsulation cavity 75.
It should be noted that above three step is three independent installation steps, therefore, the sequence of three can be random
It exchanges.For example, it is also possible to which the sequence according to S32, S31, S33 executes, or executed according to the sequence of S33, S32, S31, three
The permutation and combination of random order is within the scope of the invention.
It is contemplated that above-mentioned steps S30 and not only limiting adopts a split structure winding shell 2 and cable mounting portion 2, it should
Cable mounting portion 3 can also be formed with 2 integrated injection molding of winding shell.
In more specific scheme, in step S60, the upper surface of Embedding Material is at least 5mm higher than the bottom end of sheath 6.This
Sample sufficiently meets country to the minimum 5mm of explosion-proof coil authentication requesting.For the insulation performance for further increasing explosion-proof coil,
The encapsulating length of sheath 6 can also be greater than 10mm.It is of course also possible to by the control of encapsulating length between 5mm~10mm.
In another specific embodiment, after step S20, before step S40 further include step Sc: in winding shell
2 for preventing the leakage-proof sockets 73 of potting material leaks with 7 bearing of housing processing.
In this way, even if occur in welding process weld seam it is sternly not equal compared with nibs when, Embedding Material is not yet in potting process
Can be overflowed outward, but entered in leakage-proof socket 73 by weld seam, thus ensure that encapsulating operation stability and explosion-proof coil
Appearance cleaning.
The processing method of explosion-proof coil provided by the present invention, electric expansion valve and explosion-proof coil has been carried out in detail above
It is thin to introduce.Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the ordinary skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement
It is also fallen within the protection scope of the claims of the present invention with modification.
Claims (18)
1. a kind of explosion-proof coil, including winding (1), winding shell (2), the winding shell (2) is equipped with cable mounting portion
(3), wiring board (4) are equipped with lead (5) on the wiring board (4), are provided with sheath (6) outside the lead (5), it is described around
Group shell (2) is also fixedly connected with housing (7) outside；It is characterized in that, the top of the housing (7) is higher than the sheath (6)
Bottom end, the housing (7), the cable mounting portion (3), the wiring board (4), the lead (5) and the part sheath (6)
Encapsulating is integral；
The winding shell (2) is equipped with buckle (8), and the housing (7) includes shroud body (74) and separator (71), described
Diversion trench (72) are formed between separator (71) and the cable mounting portion (3), the housing (7) and the winding shell (2)
Between formed the first encapsulation cavity (75), on the winding shell (2) have pass through the diversion trench (72) and first encapsulating
Second encapsulation cavity of chamber (75) connection, sheath (6) the part encapsulating is in first encapsulation cavity (75), the buckle (8)
Part encapsulating is in second encapsulation cavity (81).
2. explosion-proof coil according to claim 1, which is characterized in that the shroud body (74) and the separator (71)
For split type structure.
3. explosion-proof coil according to claim 1, which is characterized in that the shroud body (74) and the separator (71)
It is an integral molding structure.
4. explosion-proof coil according to claim 1-3, which is characterized in that the encapsulating length of the sheath (6) is big
In or equal to 5mm.
5. explosion-proof coil according to claim 1-3, which is characterized in that the housing (7) and the winding shell
Body (2) is fixedly connected by welding manner.
6. explosion-proof coil according to claim 5, which is characterized in that the welding manner is ultrasonic bonding.
7. explosion-proof coil according to claim 1-3, which is characterized in that the shroud body (74) and it is described around
The weld of group shell (2) is equipped with the leakage-proof socket (73) for preventing potting material leaks.
8. electric expansion valve, including valve body, the explosion-proof coil being connect with the valve body；It is characterized in that, the explosion-proof coil is adopted
With the described in any item explosion-proof coils of such as claim 1-7.
9. a kind of processing method of explosion-proof coil, which comprises the steps of:
S10 processing has the housing (7) of separator (71) and shroud body (74)；
S20 processing has the winding shell (2) of the second encapsulation cavity (81)；
S30 installs the lead (5) with sheath (6) on the winding shell (2)；
The housing (7) is fixedly connected on the corresponding position on the outside of the winding shell (2) by S40, so that the separator
(71) diversion trench (72) are formed between the cable mounting portion (3) of the winding shell (2), the housing (7) and the winding
The first encapsulation cavity (75) for surrounding the lead (5), part sheath (6), second encapsulation cavity (81) are formed between shell (2)
It is connected to by the diversion trench with first encapsulation cavity (75)；
S50 pours into Embedding Material into first encapsulation cavity (75) for the first time, and encapsulating height is higher than the diversion trench (72)
Height；
S60 pours into Embedding Material into first encapsulation cavity (75) for the second time, and encapsulating height is higher than the bottom of the sheath (6)
End.
10. the processing method of explosion-proof coil according to claim 9, which is characterized in that after step S20, step S50
Before further include step Sa: the setting buckle (8) on the winding shell (2), and buckle (8) is made to be extended partially into described second
In encapsulation cavity (81).
11. the processing method of explosion-proof coil according to claim 9, which is characterized in that the step S10 and the step
The sequencing of S20 exchanges.
12. according to the processing method of the described in any item explosion-proof coils of claim 9-11, which is characterized in that the step S30
Specifically comprise the following steps:
S31 installs cable mounting portion (3) on the winding shell (2)；
S32 installs wiring board (4) on the cable mounting portion (3)；
S33 installs the lead (5) with sheath (6) on the wiring board (4)；
And the step S31, step S32, the sequence between step S33 three can exchange.
13. according to the processing method of the described in any item explosion-proof coils of claim 9-11, which is characterized in that in step S60
In, bottom end of the upper surface of the Embedding Material at least than the sheath (6) is 5mm high.
14. according to the processing method of the described in any item explosion-proof coils of claim 9-11, which is characterized in that the step S10
In, by being integrally machined housing (7) of the molding mode processing with the shroud body (74) and the separator (71).
15. according to the processing method of the described in any item explosion-proof coils of claim 9-11, which is characterized in that the step S10
It specifically includes:
Step S11: the shroud body (74) are processed；
Step S12: the separator (71) are processed；
Step S13: by the manufactured separator (71) in the shroud body (74) manufactured in step S11 and step S12
It is welded and fixed, the housing (7) is made, wherein the sequence of the step S11 and the step S12 are interchangeable.
16. according to the processing method of the described in any item explosion-proof coils of claim 9-11, which is characterized in that in step S40
In, the shroud body (74) is welded and fixed with the winding shell (2).
17. the processing method of explosion-proof coil according to claim 16, which is characterized in that in step s 40, the housing
Ontology (74) is fixed with the winding shell (2) by ultrasonic bonding.
18. the processing method of explosion-proof coil according to claim 9, which is characterized in that after step S20, step S40
Before further include step Sc: preventing Embedding Material from letting out for processing with the housing (7) bearing in the winding shell (2)
The leakage-proof socket (73) of leakage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510171848.5A CN106151646B (en) | 2015-04-13 | 2015-04-13 | The processing method of explosion-proof coil, electric expansion valve and explosion-proof coil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510171848.5A CN106151646B (en) | 2015-04-13 | 2015-04-13 | The processing method of explosion-proof coil, electric expansion valve and explosion-proof coil |
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| CN106151646B true CN106151646B (en) | 2019-04-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3933240A4 (en) * | 2019-04-15 | 2022-05-11 | Zhejiang Dunan Artificial Environment Co., Ltd. | Expansion valve coil assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109390116B (en) * | 2017-08-14 | 2022-03-08 | 浙江盾安机械有限公司 | Electronic expansion valve coil and production process thereof |
| CN110375105B (en) * | 2018-04-13 | 2021-10-12 | 浙江三花智能控制股份有限公司 | Electric valve |
| JP2019220616A (en) * | 2018-06-21 | 2019-12-26 | 株式会社鷺宮製作所 | Electromagnetic coil |
| CN208935520U (en) * | 2018-07-28 | 2019-06-04 | 天津华信机械有限公司 | Air-conditioning, electric expansion valve and its electromagnetic coil structure |
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| CN211854542U (en) * | 2019-12-16 | 2020-11-03 | 浙江盾安禾田金属有限公司 | Air conditioner, electronic expansion valve and electromagnetic coil structure thereof |
| CN113758066B (en) * | 2021-09-01 | 2022-10-11 | 浙江恒森实业集团有限公司 | Electronic expansion valve coil and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5605318A (en) * | 1994-04-14 | 1997-02-25 | Eaton Corporation | Electric expansion valve |
| CN101930821B (en) * | 2009-06-25 | 2012-11-14 | 浙江三花股份有限公司 | Electromagnetic coil device |
| CN102054553A (en) * | 2009-11-06 | 2011-05-11 | 浙江三花股份有限公司 | Electromagnetic coil and manufacture method thereof |
| CN102360687B (en) * | 2011-06-07 | 2014-03-12 | 扬州嘉华电气有限公司 | Electromagnetic coil for air conditioning four-way valve and manufacturing method for electromagnetic coil |
| CN103016821B (en) * | 2011-09-26 | 2014-12-03 | 浙江三花股份有限公司 | Electronic expansion valve |
| CN202811155U (en) * | 2012-03-29 | 2013-03-20 | 江西直方数控动力有限公司 | An encapsulated solenoid valve for mines |
| CN103376179B (en) * | 2012-04-12 | 2016-08-10 | 浙江三花股份有限公司 | A kind of pressure transducer |
| CN202839678U (en) * | 2012-08-30 | 2013-03-27 | 上海晶澳太阳能科技有限公司 | Slot type edge junction box applied in solar double-glass assembly |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3933240A4 (en) * | 2019-04-15 | 2022-05-11 | Zhejiang Dunan Artificial Environment Co., Ltd. | Expansion valve coil assembly |
| KR102543119B1 (en) | 2019-04-15 | 2023-06-14 | 제지앙 둔안 아트피셜 인바이런먼트 컴퍼니 리미티드 | Expansion valve coil assembly |
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| CN106151646A (en) | 2016-11-23 |
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