CN106374783B - Commercial refrigeration compressor electric motor mutual-inductance contactless current starter - Google Patents

Commercial refrigeration compressor electric motor mutual-inductance contactless current starter Download PDF

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Publication number
CN106374783B
CN106374783B CN201611010543.7A CN201611010543A CN106374783B CN 106374783 B CN106374783 B CN 106374783B CN 201611010543 A CN201611010543 A CN 201611010543A CN 106374783 B CN106374783 B CN 106374783B
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China
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ptc
chamber
pin
dispatch
inductance
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CN106374783A (en
Inventor
赵云文
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Changshu Tianyin Electromechanical Co Ltd
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Changshu Tianyin Electromechanical Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/42—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual single-phase induction motor

Abstract

A kind of commercial refrigeration compressor electric motor mutual-inductance contactless current starter, including box body inside set starting control mechanism chamber and idle starter mechanism chamber；It is intracavitary to be located at starting control mechanism for starting control mechanism；Idle Dong Qi mechanism, it is intracavitary to be located at idle starter mechanism；Tray cover inside sets M, N pin relief hole, dispatch from foreign news agency pole piece inserting foot relief hole；External terminal mechanism is located at the side of tray cover；Prong mechanisms, including M, N pin, feature: separated between starting control mechanism chamber and power consumption starter chamber by insulative partition wall, starting control mechanism chamber includes current transformer chamber, bidirectional triode thyristor chamber and inductance chamber, power consumption starter chamber includes the first, second PTC chamber, starting control mechanism includes current transformer, bidirectional triode thyristor and inductance, and idle starter mechanism includes the first, second PTC, inside and outside electrode slice and electrode sheet resistance.Securely and reliably, energy saving, meet high current start request, assembly efficiency is high, and modularization effect is good.

Description

Commercial refrigeration compressor electric motor mutual-inductance contactless current starter
Technical field
The invention belongs to refrigeration compressor starting operation engineering device technique fields, and in particular to a kind of commercial refrigeration compression is electromechanical Machine mutual-inductance contactless current starter.
Background technique
Commercial refrigeration compressor above-mentioned is for domestic refrigeration compressor, in particular, the former mainly answers For commercial channel such as supermarket, wineshop and market and starting current is big, and the latter is mainly used for family and starting current phase To smaller.According to known in the art, whether commercial refrigeration compressor or domestic refrigeration compressor, usually in refrigeration compressor It contacts in start-up circuit a starter, it is therefore intended that: it is greater than compressor in the moment of starting and operates normally to starting winding and provide Starting current (such as the specified running current of compressor be 1A, starting current is then 4-7A), when compressor complete start after, electricity Stream is dropped rapidly to the degree of aforementioned rated current, and starter maintains due to "off" because of no enough electric currents, that is, completes pair The starting of compressor.
It is current type weight starter that the type of the motor starter of commercial refrigeration compressor, which mainly has following three kinds: one,； Two be voltage-type weight starter；Three be PTC starter.Although current type weight starter belongs to power consumption starter scope, It easily strikes sparks but since the form of expression of its structure is contact, thus between contacts or at contact when oxidizable, movement, Then safety and reliability are relatively low；Voltage-type weight starter since the form of expression of its structure is similarly contact, Thus in addition to there are aforementioned currents formula weight starter the shortcomings that other than, there is also power problems；PTC starter has been not only power consumption (although need to be by making it maintain high impedance status for the electric current of very little), and since the electric current flowed through is larger, thus to it (PTC) requirement of itself is very harsh.
Aforementioned currents formula weight starter and voltage-type weight starter are also referred to as " weight starter " by industry, and And be seen in disclosed Chinese patent literature, if a kind of R600a working medium compressor of CN2733039Y(is with totally-enclosed heavy Hammer starter), a kind of water tank energy conservation of compressor starter of CN201310540U() and a kind of sealing performance of CN202906801U(change Into weight starter), etc..
In addition, equally visible all about commercial refrigeration compressor mutual-inductance contactless electricity in disclosed Chinese patent literature Flow starter technical information, as CN004113235A, CN104104277A, CN104104278A, CN104104276A, CN104113236A、CN104113237A、CN104104274A、CN104104275A、CN104579025A、 CN104601051A, CN104579024A and CN104638986A, etc., all due to these patent formulas for being not limited to enumerate It is proposes for circuit, thus the deficiency for making up aforementioned weight starter, while embodying ideal modularization effect, conjunction Reason is used electric wiring joint efficiency for reducing volume, raising and compressor etc. using space and is not had enlightenment effect, Technical solution described below generates in this background.
Summary of the invention
Task of the invention lies in provide one kind to facilitate the drawbacks of eliminating contact starting and use to embody preferably to pacify Full property and reliability are conducive to that idle starter mechanism is made to realize open circuit and use embodiment nothing after the starting for completing compressor The energy-saving effect of power consumption is beneficial to significantly improve starting current and use the peace for ensureing that the high current of commercial refrigeration compressor starts Full property requires, have convenient for by external terminal mechanism reasonable Arrangement in tray cover simultaneously by the prong mechanisms being set on box body M pin can ensure that the shape being reliably isolated with external terminal mechanism not only embodying mutually good electrical isolation insulation with N pin Tray cover is leant out under state and is used and is avoided occurring in use electric short circuit, has and be good at embodying ideal modularization effect and use Facilitate the commercial refrigeration compressor electric motor mutual-inductance contactless current starter of production and assembly.
The task of the present invention is in this way to complete, and a kind of commercial refrigeration compressor electric motor mutual-inductance contactless electric current starts Device, including an open topped and the closed box body of surrounding and bottom, in the box body every be equipped with one start control mechanism chamber with And one be located at starting control mechanism chamber right side idle starter mechanism chamber；One starts control mechanism, the starting control mechanism It is intracavitary that the starting control mechanism is set；The nothing is arranged in one idle Dong Qi mechanism, the idle starter mechanism Power consumption starter mechanism is intracavitary and is electrically connected with the starting control mechanism；One tray cover, the tray cover is corresponding to described Open position and the tray cover of box body are matched, and M pin relief hole are offered in the position of the front side left end of the tray cover, in tray cover The position of left side rear end offer N pin relief hole, and offer dispatch from foreign news agency pole piece inserting foot in the middle part of the rear side of tray cover and allow Position hole；The tray cover is arranged in towards upper side in one external terminal mechanism, the external terminal mechanism；One prong mechanisms, should Prong mechanisms include a M pin and a N pin, and the box body is arranged in the position that M pin corresponds to the M pin relief hole Above and M pin relief hole is leant out, the position that N pin corresponds to the N pin relief hole, which is arranged on box body and leans out N, inserts Foot relief hole starts the commercial refrigeration compressor electric motor by the idle starter mechanism, when commercial refrigeration compressor electric motor Into after normal operation, idle starter mechanism is set to realize open circuit by the starting control mechanism, feature is: the starting control Separated between mechanism chamber processed and the idle starter mechanism chamber by starter chamber insulative partition wall, the starting control machine Structure chamber includes a current transformer chamber that is being isolated from each other and being successively distributed from front to back, a bidirectional triode thyristor chamber and an inductance Chamber, the idle starter mechanism chamber include one the oneth PTC chamber and one the 2nd PTC chamber, and the 2nd PTC chamber is located at the first PTC chamber Rear and the first, second PTC chamber between by PTC chamber insulative partition wall separate, the starting control mechanism include one Current transformer, a bidirectional triode thyristor and an inductance, current transformer are arranged in that the current transformer is intracavitary and this is electric Current transformer is electrically connected with the M pin, N pin and bidirectional triode thyristor simultaneously, and bidirectional triode thyristor is arranged in described Bidirectional triode thyristor is intracavitary and at the same time being electrically connected with M pin and the inductance, it is intracavitary that the inductance is arranged in inductance And it is electrically connected with the idle starter mechanism, which includes one the oneth PTC, one the 2nd PTC, one Interior electrode slice, a dispatch from foreign news agency pole piece and an electrode sheet resistance, the first PTC31 are arranged in that the first PTC is intracavitary, and the 2nd PTC is set Set it is intracavitary in the 2nd PTC, the surface of the left and right side of the first PTC and the 2nd PTC be respectively combined with PTC conduction Layer, the front end of interior electrode slice are inserted in that the first PTC is intracavitary and left side face contact with the first PTC, and the rear end of interior electrode slice Be inserted in after the PTC chamber insulative partition wall the intracavitary left side face contact with the 2nd PTC of the 2nd PTC and also with it is described Inductance electrical connection, the front end of dispatch from foreign news agency pole piece is inserted in that the first PTC is intracavitary and right side face contact with the first PTC, and outer The rear end of electrode slice is to be inserted in the 2nd PTC after PTC chamber insulative partition wall intracavitary and connect with the right side of the 2nd PTC Touching is extended with a dispatch from foreign news agency pole piece inserting foot in the rear end end of the dispatch from foreign news agency pole piece, and the dispatch from foreign news agency pole piece inserting foot is corresponding to described The position of dispatch from foreign news agency pole piece inserting foot relief hole leans out the tray cover, and it is intracavitary that electrode sheet resistance is located in the first PTC, the electrode Sheet resistance has a first electrode sheet resistance connecting pin and a second electrode sheet resistance connecting pin, first electrode sheet resistance connecting pin It is electrically connected with the front end of the interior electrode slice, and second electrode sheet resistance connecting pin and the front end of the dispatch from foreign news agency pole piece electrically connect It connects.
In a specific embodiment of the invention, step down on the box body and corresponding to the M pin The position in hole, which is constituted, a M pin base, and M pin caulking groove is offered on M pin base, and the lower part of the M pin is inserted inserts embedded in M In foot caulking groove；Constituting on box body and in the position for corresponding to the N pin relief hole has a N pin base, in N pin base On offer N pin caulking groove, the lower part of the N pin is inserted in N pin caulking groove；In the starter chamber dielectric separation On wall and correspond to the inductance position offer electrode slice in one be electrically connected pin limit slot.
In another specific embodiment of the invention, the current transformer chamber is by current transformer chamber dielectric separation Plate is dielectrically separated from the bidirectional triode thyristor chamber, and bidirectional triode thyristor chamber is by bidirectional triode thyristor chamber dielectric separation plate and the inductance Chamber is dielectrically separated from, and offers a M pin wiring on the M pin base and in the position for corresponding to the current transformer chamber Hold locating slot, the M pin lower part and correspond to M pin terminals locating slot position be extended with a M pin Terminals, which is located on M pin base in the position for corresponding to M pin terminals locating slot, in the interior electricity It the upper rear end of pole piece and limits the position bending of slot corresponding to the interior electrode slice pin that is electrically connected and is formed in one electric Pole piece is electrically connected pin, and the interior electrode slice pin that is electrically connected limits on slot embedded in the interior electrode slice pin that is electrically connected, on the N pin base And a N pin terminals locating slot is offered in the position in the left side for corresponding to the current transformer chamber dielectric separation plate, The N pin lower part and correspond to N pin terminals locating slot position be extended with a N pin terminals, the N Pin terminals are located on N pin base in the position for corresponding to N pin terminals locating slot, and the current transformer has electricity The 4th pin of the first, second, third pin of current transformer and current transformer, the bidirectional triode thyristor have bidirectional triode thyristor First, second pin and bidirectional triode thyristor third pin, the inductance have the first pin of inductance and inductance second pin, electricity The first pin of current transformer and the M pin terminals are electrically connected, current transformer second pin and bidirectional triode thyristor the The electrical connection of one pin, is connected in series with a resistance simultaneously between the 4th pin of current transformer third pin and current transformer And the 4th pin of current transformer is also electrically connected with bidirectional triode thyristor third pin simultaneously, and the first pin of bidirectional triode thyristor is also It is electrically connected with the N pin terminals, bidirectional triode thyristor second pin and the first pin of inductance are electrically connected, and inductance second Pin correspond to the interior electrode slice be electrically connected pin limit slot position and the interior electrode slice be electrically connected pin electrical connection.
In another specific embodiment of the invention, in the starter chamber insulative partition wall towards described first The side of PTC chamber, which is constituted, has one for inserting embedding interior electrode slice front end caulking groove for the front end of the interior electrode slice, while in court To the side of the 2nd PTC chamber constitute have one for for the interior electrode slice rear end insert embedding interior electrode slice rear end insert it is embedding Slot, interval, which is constituted, on the first PTC chamber right chamber wall of the first PTC chamber being used for for the surface for being raised in the first PTC chamber right chamber wall The dispatch from foreign news agency pole piece front end packing flange for making the front end of the dispatch from foreign news agency pole piece recline to the direction of the first PTC, and first Constituting on first bottom of chamber PTC wall of PTC chamber has the first PTC support lug on a surface for being raised in the first bottom of chamber PTC wall, the Interval, which is constituted, on 2nd PTC chamber right chamber wall of two PTC chambers the described outer for making of the surface for being raised in the 2nd PTC chamber right chamber wall The dispatch from foreign news agency pole piece rear end packing flange that the rear end of electrode slice reclines to the direction of the 2nd PTC, and the second of the 2nd PTC chamber The 2nd PTC support lug for having a surface for being raised in the 2nd bottom of chamber PTC wall is constituted on the wall of the bottom of chamber PTC, the interior electrode slice Front end is inserted on the caulking groove of interior electrode slice front end, and rear end is inserted on the caulking groove of interior electrode slice rear end, the dispatch from foreign news agency pole piece Front end rest on dispatch from foreign news agency pole piece front end packing flange, and rear end rests on dispatch from foreign news agency pole piece rear end packing flange, described The top of left and right side of PTC chamber insulative partition wall respectively offer an electrode slice resigning breach, the interior electrode slice and It is embedded in the middle part of dispatch from foreign news agency pole piece in electrode slice resigning breach, the height in the side of PTC chamber insulative partition wall the first PTC chamber of direction The middle part in degree direction limits flange after designing one the oneth PTC for having a surface for being raised in PTC chamber insulative partition wall, in PTC chamber The middle part design of insulative partition wall towards the short transverse of the side of the 2nd PTC chamber has one to be equally raised in PTC chamber dielectric separation Flange is limited before one the 2nd PTC on the surface of wall, is limited on the anterior cavity wall of the first PTC chamber and after corresponding to the first PTC The position of flange limits flange before constituting the first PTC for having a surface for being raised in anterior cavity wall, in the rear cavity wall of the 2nd PTC chamber And correspond to the 2nd PTC before limit flange position constitute have one be raised in after cavity wall surface the 2nd PTC after limit Flange, the bottom supporting of the first PTC is in the first PTC support lug, the front side of the first PTC and described the Flange patch touching is limited before one PTC, and is limited flange patch after the rear side of the first PTC and the first PTC and touched, the 2nd PTC Bottom supporting in the 2nd PTC support lug, limit flange patch before the front side of the 2nd PTC and the 2nd PTC and touch, and second Flange patch touching is limited after the rear side of PTC and the 2nd PTC.
In another specific embodiment of the invention, limited before the first, second PTC support lug, the first PTC Determine to limit after flange, the first PTC and limits the cross-sectional shape of flange after limiting flange and the 2nd PTC before flange, the 2nd PTC and be in ∧ font, reduce by the shape of the ∧ font limit before the first PTC and the first PTC support lug, the first PTC flange and The contact area of flange is limited after first PTC and at the same time limiting before the 2nd PTC of reduction and the 2nd PTC support lug, the 2nd PTC The contact area of flange is limited after flange and the 2nd PTC.
Of the invention there are one in specific embodiment, the interior electrode slice front end and corresponding to it is described The position solid welding in the left side of the first PTC has electrode slice front end elasticity presser feet in one, and in the rear end of interior electrode slice and in correspondence Position solid welding in the left side of the 2nd PTC has electrode slice rear end elasticity presser feet in one, the front end of the dispatch from foreign news agency pole piece simultaneously And the one dispatch from foreign news agency pole piece front end elasticity presser feet of position solid welding on the right side corresponding to the first PTC, and after outer electrode slice It holds and the position solid welding on the right side corresponding to the 2nd PTC has a dispatch from foreign news agency pole piece rear end elasticity presser feet, interior electrode slice front end bullet The left side face contact of property presser feet and the first PTC, the left side face contact of interior electrode slice rear end elasticity presser feet and the 2nd PTC, external electrode The right side face contact of piece front end elasticity presser feet and the first PTC, dispatch from foreign news agency pole piece rear end elasticity presser feet and the right side of the 2nd PTC connect Touching.
In a still more specific embodiment of the invention, the interior electrode slice front and back ends elasticity presser feet, external electrode The shape of piece front end elasticity presser feet and dispatch from foreign news agency pole piece rear end elasticity presser feet is in splayed.
In a specific embodiment in turn of the invention, center that is intracavitary in the inductance and being located at inductance chamber There is an inductance positioning column in position perpendicular to the bottom wall composition of inductance chamber, and the inductance has an inductance framework, in the inductance framework The center of short transverse offer an inductance positioning column matching hole, which is nested in inductance positioning column On.
In yet a further embodiment of the present invention in the tray cover towards upper side perpendicular to box Body lid is formed with an external terminal and inserts embedding seat, which inserts embedding seat from the front side of tray cover along the rear side for extending to tray cover Edge is enclosed in tray cover and in the position for corresponding to the left side central portion that external connection end inserts embedding seat equipped with a pair of n font external terminal Chamber is inserted, is formed with a pair of n font external terminal fixed socket, the M pin in the bottom that double n font external terminals insert chamber Relief hole corresponds to double n font external connection ends that double n font external terminals insert the front side of chamber and insert chamber by double n font external terminals The slotting chamber anterior cavity wall isolation of son, the N pin relief hole correspond to double n font external terminals and insert the left side of chamber and by double n words Double n font external terminals that shape external terminal inserts chamber insert the isolation of chamber left chamber wall, and the dispatch from foreign news agency pole piece inserting foot relief hole is corresponding The rear side of chamber is inserted in double n font external terminals and inserts chamber back cavity by double n font external terminals that double n font external terminals insert chamber Wall isolation；The external terminal mechanism is external including list n font external terminal, the first m font external terminal, the 2nd m font Terminal and double n font external terminals, position of single n font external terminal on the right side of the front end for inserting embedding seat corresponding to external terminal are inserted It is inserted on embedding seat embedded in external terminal, the first m font external terminal is corresponding to the position on the right side of the middle part that external terminal inserts embedding seat It inserts and is inserted on embedding seat embedded in external terminal, the 2nd n font external terminal is corresponding to the position on the right side of the rear end that external terminal inserts embedding seat It sets to insert and be inserted on embedding seat embedded in external terminal, double n font external terminals insert position and the institute of chamber corresponding to double n font external terminals The double n font external terminal fixed socket insertings stated insert the right side of embedding seat in the external terminal and corresponding to described Position between single n font external terminal and the first m font external terminal, which perpendicular to external terminal inserts embedding seat and is extended with one, to be used for The first electric insulation isolation board of electrical isolation will be formed between single n font external terminal and the first m font external terminal, right It should be also perpendicular to external connection end in the position between the first, second m font external terminal and insert embedding seat be extended with one for by the first m The second electric insulation isolation board of electrical isolation is formed between font external terminal and the 2nd m shape external terminal.
Again and then in a specific embodiment, one is formed in the lower part of the front side outer wall of the box body of the invention Box body fixing seat offers a box body fixing seat screw hole, in the outer wall of the left and right side of box body in the box body fixing seat Above and positioned at top respectively constitute the lower part for having the snap-fitted flange of a pair of of box cover and the outer wall in the left and right side of box body Each constitute has a pair of of box body locating button, the tray cover left and right side and corresponding to a pair of of box cover hasp The position of mating flanges, which is respectively constituted, a pair of of box cover hasp, this is interlocked to box cover hasp and a pair of of snap-fitted flange of box cover, In side of the tray cover under and it is extended with a dispatch from foreign news agency pole piece front end in the position for corresponding to the first PTC chamber and pushes away foot, And be extended with an outer motor pole piece rear end in the position for corresponding to the 2nd PTC chamber and push away foot, dispatch from foreign news agency pole piece front end pushes away foot insertion First PTC it is intracavitary and with the front end of the dispatch from foreign news agency pole piece on the right side of face contact, and dispatch from foreign news agency pole piece rear end push away foot be inserted into the 2nd PTC It is intracavitary and with face contact on the right side of the rear end of dispatch from foreign news agency pole piece, push away foot by dispatch from foreign news agency pole piece front end and dispatch from foreign news agency pole piece rear end push away foot and compels Make the front end left side and the rear end left side right side and second with the first PTC respectively of the dispatch from foreign news agency pole piece It is close to the right side of PTC.
Technical solution provided by the invention have the following technical effect that first, due to become prior art in Weight type into The structure of mutual inductance type, thus ideal safety reliability can be embodied；Second, since idle starter mechanism is completing commercialization It can be realized and be opened a way by the bidirectional triode thyristor of starting control mechanism after the starting of refrigeration compressor motor, to embody idle Energy-saving effect；Third, the structural system due to idle starter mechanism uses the first, second PTC, interior electrode slice and external electrode Piece, thus can ensure the security requirement that the high current of commercial refrigeration compressor electric motor starts；Fourth, due to external terminal mechanism It is rationally distributed while the M pin for leaning out the prong mechanisms of tray cover and N pin and external terminal mechanism can be made in tray cover It realizes reliable electric insulation isolation, thus had both improved the efficiency being assembled on commercial refrigeration compressor electric motor, again with drop Low compressor provides the rigors of assembly space for the present invention, also helps the safety for ensureing route, avoids in use There is electric short circuit；Fifth, since tray cover is arranged in towards upper side, by tray cover and tray cover in external terminal mechanism Match, starting control mechanism and idle starter mechanism are separately positioned on to the starting control separated by starter chamber insulative partition wall Mechanism chamber and idle starter mechanism processed are intracavitary, thus each component locations are reasonable and well arranged, embody ideal module Change effect and uses and meet robotic matching requirements.
Detailed description of the invention
Fig. 1 is the embodiment of the present invention structure chart.
Fig. 2 is the top view that Fig. 1 removes the box body after tray cover.
Fig. 3 is the schematic diagram after tray cover shown in FIG. 1 and box body assembly.
Specific embodiment
In order to which technical spirit and beneficial effect of the invention is more clearly understood, applicant is below with embodiment Mode elaborate, but be not limitation to the present invention program, any structure according to the present invention to the description of embodiment Think made only formal but not substantive equivalent transformation and is regarded as technical solution of the present invention scope.
The concept of all directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description For location status shown in FIG. 1, thus it cannot be understood as being particularly limited to technical solution provided by the invention.
All PTC concepts that is related to below each mean " positive temperature coefficient thermal resistor ".
Referring to Figure 1 and Fig. 2, an open topped is shown and surrounding and bottom are closed and be molded from plastic into type Box body 1, start control mechanism chamber 11 in the box body 1 and one be located at the right side of starting control mechanism chamber 11 every being equipped with one Idle starter mechanism chamber 12；A starting control mechanism 2 is shown, which is arranged in starting control above-mentioned In mechanism chamber 11；An idle Dong Qi mechanism 3 is shown, which is arranged in idle starter above-mentioned It is electrically connected in structure chamber 12 and with aforementioned starting control mechanism 2；Show a tray cover 4 of the type of being molded from plastic into, the box Body lid 4 is matched at the open position for corresponding to aforementioned box body 1 and the lid of box body 1, is offered in the position of the front side left end of the tray cover 4 M pin relief hole 41(is a pair of), N pin relief hole 42 is offered in the position of the left side rear end of tray cover 4, and in tray cover 4 Rear side in the middle part of offer dispatch from foreign news agency pole piece inserting foot relief hole 43；An external terminal mechanism 5 is shown, the external terminal mechanism 5 By insert it is embedding in a manner of aforementioned tray cover 4 is set towards upper side；A prong mechanisms 6 are shown, which includes a M Pin 61 and a N pin 62, M pin 61 correspond to aforementioned M pin relief hole 41 position be arranged on box body 1 above-mentioned and M pin relief hole 41 is leant out, the position that N pin 62 corresponds to aforementioned N pin relief hole 42 is arranged on box body 1 and leans out N Pin relief hole 42 starts aforementioned commercial refrigeration compressor electric motor by aforementioned idle starter mechanism 3, when commercial refrigeration compressor After motor enters normal operation, idle starter mechanism 3 is set to realize open circuit by aforementioned starting control mechanism 2.
Technical essential as technical solution provided by the invention: starting control mechanism above-mentioned chamber 11 with it is above-mentioned idle Consumption starter mechanism chamber 12 between separated by starter chamber insulative partition wall 13, starting control mechanism chamber 11 include be isolated from each other and And a current transformer chamber 111, a bidirectional triode thyristor chamber 112 and the inductance chamber 113 being successively distributed from front to back, nothing above-mentioned Power consumption starter mechanism chamber 12 includes one the oneth PTC chamber 121 and one the 2nd PTC chamber 122, and the 2nd PTC chamber 122 is located at the first PTC chamber Separated between 121 rear and the first, second PTC chamber 121,122 by PTC chamber insulative partition wall 123.Starting control above-mentioned Mechanism 2 processed includes a current transformer 21, a bidirectional triode thyristor 22 and an inductance 23, and current transformer 21 is arranged in electricity above-mentioned In current transformer chamber 111 and the current transformer 21 simultaneously with M pin 61 above-mentioned, N pin 62 and bidirectional triode thyristor 22 Electrical connection, bidirectional triode thyristor 22 are arranged in bidirectional triode thyristor chamber 112 above-mentioned and at the same time with M pin 61 and above-mentioned Inductance 23 is electrically connected, and inductance 23 is arranged in inductance chamber 113 above-mentioned and electrically connects with idle starter mechanism 3 above-mentioned It connects, which includes electrode slice 33, a dispatch from foreign news agency pole piece 34 and one in one the oneth PTC31, one the 2nd PTC32, one Electrode sheet resistance 35, the first PTC31 are arranged in the first PTC chamber 121 above-mentioned, and the 2nd PTC32 is arranged in the 2nd PTC above-mentioned In chamber 122, PTC conductive layer, interior electrode slice are respectively combined on the surface of the left and right side of the first PTC31 and the 2nd PTC32 33 front end is inserted in the first PTC chamber 121 and the left side face contact with the first PTC31, and the rear end of interior electrode slice 33 exists Be inserted in the 2nd PTC chamber 122 after aforementioned PTC chamber insulative partition wall 123 with the left side face contact of the 2nd PTC32 and also It is electrically connected with inductance 23 above-mentioned, the front end of dispatch from foreign news agency pole piece 34 is inserted in the first PTC chamber 121 and with the first PTC31's Right side face contact, and the rear end of dispatch from foreign news agency pole piece 34 is inserted in the 2nd PTC chamber 122 simultaneously after PTC chamber insulative partition wall 123 And the right side face contact with the 2nd PTC32, it is extended with a dispatch from foreign news agency pole piece inserting foot 341 in the rear end end of the dispatch from foreign news agency pole piece 34, The dispatch from foreign news agency pole piece inserting foot 341 leans out tray cover 4 above-mentioned in the position for corresponding to aforementioned dispatch from foreign news agency pole piece inserting foot relief hole 43, Electrode sheet resistance 35 is located in the first PTC chamber 121, which has a first electrode sheet resistance connecting pin 351 With a second electrode sheet resistance connecting pin 352, first electrode sheet resistance connecting pin 351 and the front end of aforementioned interior electrode slice 33 are electrical Connection, and the front end of second electrode sheet resistance connecting pin 352 and aforementioned dispatch from foreign news agency pole piece 34 is electrically connected.
In the present invention, why select with one the oneth PTC31 and one the 2nd PTC32, that is to say, why do not use one Piece large-sized PTC, this is because the time that electric current flows through PTC in starting circuit can not complete unanimously, to select with two pieces of PTC That is the first, second PTC31,32 can play the role of protecting PTC and then protect entire circuit, improve security performance.In addition, Single large-sized PTC is easy to appear fragmentation situation during moment being powered, powering off, and influences the peace of entire circuit and product Quan Xing.In turn, if using unique one piece of large scale PTC, the volume that will lead to entire idle starter mechanism 3 increases Greatly, it forces the volume of box body 1 to increase, causes to be difficult to install because of insufficient space during being installed to compressor.In addition, such as Fruit uses one piece of independent large scale PTC, increases cost then closing instead, this is also not to be seen in large scale PTC reason at present Place.
As shown in Figure 1, the position in aforementioned first PTC chamber 121 and in front of right side is reserved with and (can also claim to be formed Have) an electrode sheet resistance chamber 1214, electrode sheet resistance 35 above-mentioned is contained in the electrode sheet resistance chamber 1214.For the ease of making Electrode sheet resistance 35 is reliably connected between the front end of inside and outside electrode slice 33,34, and the present invention prolongs in the front end of interior electrode slice 33 Stretching has electrode slice in one to weld ear 334, and opens up in the front end of outer electrode slice 34 through folding and be formed with external electrode piece overlapping ear 344, the first electrode sheet resistance pin 351 of former electrodes sheet resistance 35 and interior electrode slice welding ear 334 weld, and electrode slice is electric The second electrode sheet resistance pin 352 of resistance 35 is then tightly clamped to be overlapped between ear 344 and dispatch from foreign news agency pole piece 34 in outer electrode slice (ear 344 Chong Die with external electrode piece of second electrode sheet resistance pin 352 can also be welded certainly).In addition, electrode slice electricity above-mentioned Resistance 35 can also claim internal and external electrode piece series resistance.
As shown in Figure 1, edge offers a dispatch from foreign news agency pole piece changeover portion caulking groove 19, aforementioned dispatch from foreign news agency on the rear side of aforementioned box body 1 The rear end of pole piece 34, which is extended with a dispatch from foreign news agency pole piece changeover portion 345(, can also claim " dispatch from foreign news agency pole piece extended segment "), the dispatch from foreign news agency pole piece transition For section 345 in dispatch from foreign news agency pole piece changeover portion caulking groove 19, aforementioned dispatch from foreign news agency pole piece inserting foot 341 is located at dispatch from foreign news agency pole piece changeover portion 345 End.
Emphasis is shown in Fig. 1, and constituting on box body 1 above-mentioned and in the position for corresponding to aforementioned M pin relief hole 41 has i.e. It is formed with a M pin base 14, shape is offered on M pin base 14 generally in the M pin caulking groove of the zigzag of English alphabet 141, the lower part of M pin 61 above-mentioned is inserted in M pin caulking groove 141；On box body 1 and corresponding to N pin above-mentioned The position of relief hole 42, which is constituted, a N pin base 15, and shape is opened up on N pin base 15 generally in double zigzags N pin It inserts in N pin caulking groove 151 lower part of caulking groove 151, N pin 62 above-mentioned；In starter chamber insulative partition wall 13 above-mentioned It is upper and offer the pin that is electrically connected of electrode slice in one in the position for corresponding to aforementioned inductance 23 and limit slot 131.
Aforementioned currents mutual inductor chamber 111 is by current transformer chamber dielectric separation plate 1111 and aforementioned bidirectional triode thyristor chamber 112 Be dielectrically separated from, and bidirectional triode thyristor chamber 112 by bidirectional triode thyristor chamber dielectric separation plate 1121 and aforementioned inductance chamber 113 insulate every From.Also, offering a M pin wiring on aforementioned M pin base 14 and in the position for corresponding to aforementioned currents mutual inductor chamber 111 Hold locating slot 142.And M pin 61 above-mentioned lower part and correspond to M pin terminals locating slot 142 position prolong Stretching has a M pin terminals 611, which is located in the position for corresponding to M pin terminals locating slot 142 On M pin base 14.Also, the upper rear end of interior electrode slice 33 above-mentioned and correspond to aforementioned interior electrode slice be electrically connected pin limit Determine the position bending of slot 131 and be formed with electrode slice in one and be electrically connected pin 331, which is electrically connected pin 331 embedded in interior Electrode slice is electrically connected on pin restriction slot 131.On aforementioned N pin base 15 and corresponding to the insulation point of aforementioned currents mutual inductor chamber The position in the left side of partition 1111 offers a N pin terminals locating slot 152, N pin 62 above-mentioned lower part and Position corresponding to N pin terminals locating slot 152 is extended with a N pin terminals 621, and the N pin terminals 621 are in correspondence It is located on N pin base 15 in the position of N pin terminals locating slot 152.
Aforementioned currents mutual inductor 21 has the first, second, third pin of current transformer 211,212,213 and Current Mutual Inductance The 4th pin 214 of device, bidirectional triode thyristor 22 above-mentioned have the first, second pin of bidirectional triode thyristor 221,222 and two-way controllable Silicon third pin 223, inductance 23 above-mentioned have the first pin of inductance 231 and inductance second pin 232, current transformer first Pin 211 and M pin terminals 611 above-mentioned electrical connection (passing through welding), current transformer second pin 212 with it is two-way can It controls the first pin of silicon 221 to be electrically connected, be gone here and there between the 4th pin 214 of current transformer third pin 213 and current transformer Connection is connected with a resistance 215 and the 4th pin 214 of current transformer also electrically connects with bidirectional triode thyristor third pin 223 simultaneously It connects and (passes through welding), and the first pin of bidirectional triode thyristor 221 is also electrically connected with aforementioned N pin terminals 621, bidirectional triode thyristor Second pin 222 and the first pin of inductance 231 are electrically connected, and inductance second pin 232 is corresponding to aforementioned interior electrode slice electricity Connecting pin limit slot 131 position and aforementioned interior electrode slice be electrically connected pin 331 electrical connection.
It can be determined without doubt by the signal of Fig. 1；The first exit of resistance 2151 and Current Mutual Inductance of aforementioned resistance 215 Device third pin 213 is electrically connected, and 214 electricity of the second exit of resistance 2152 of resistance 215 and the 4th pin of current transformer Gas connection.
Continue to see Fig. 1 and combine Fig. 2, in starter chamber insulative partition wall 13 above-mentioned towards aforementioned first PTC chamber 121 Side constitute and have one for inserting embedding interior electrode slice front end caulking groove 132 for the front end of aforementioned interior electrode slice 33, while in court Constituting to the side of aforementioned 2nd PTC chamber 122 has one for inserting embedding interior electrode slice rear end for the rear end of aforementioned interior electrode slice 33 Caulking groove 133, interval, which constitutes to have, on the first PTC chamber right chamber wall of the first PTC chamber 121 is raised in the first PTC chamber right chamber wall The dispatch from foreign news agency pole piece front end packing for making the front end of dispatch from foreign news agency pole piece 34 above-mentioned recline to the direction of aforementioned first PTC31 on surface Flange 1211, and constituting on the first bottom of chamber PTC wall of the first PTC chamber 121 has a surface for being raised in the first bottom of chamber PTC wall First PTC support lug 1212, interval constitutes and is raised in the 2nd PTC on the 2nd PTC chamber right chamber wall of the 2nd PTC chamber 122 The dispatch from foreign news agency pole piece for making the rear end of aforementioned dispatch from foreign news agency pole piece 34 recline to the direction of aforementioned 2nd PTC32 on the surface of chamber right chamber wall Rear end packing flange 1221(Fig. 2 shows), and constituting on the 2nd bottom of chamber PTC wall of the 2nd PTC chamber 122 has one to be raised in second The 2nd PTC support lug 1222(Fig. 2 on the surface of the bottom of chamber PTC wall shows), the front end of aforementioned interior electrode slice 33, which is inserted, is embedded in interior electrode On piece front end caulking groove 132, and rear end is inserted on interior electrode slice rear end caulking groove 133, and the front end of aforementioned dispatch from foreign news agency pole piece 34 is leaned on It leans against on dispatch from foreign news agency pole piece front end packing flange 1211, and rear end rests on dispatch from foreign news agency pole piece rear end packing flange 1221, aforementioned The top of left and right side of PTC chamber insulative partition wall 123 respectively offer an electrode slice resigning breach 1231, aforementioned interior electrode The middle part of piece 33 and dispatch from foreign news agency pole piece 34 is embedded in electrode slice resigning breach 1231, in PTC chamber insulative partition wall 123 towards The middle part design of the short transverse of the side of one PTC chamber 121 has the one the of a surface for being raised in PTC chamber insulative partition wall 123 Flange 1232 is limited after one PTC, in short transverse of the PTC chamber insulative partition wall 123 towards the side of the 2nd PTC chamber 122 Restriction flange 1233(Fig. 2 shows before portion designs one the 2nd PTC for having a surface for being equally raised in PTC chamber insulative partition wall 123). The position that flange 1232 is limited on the anterior cavity wall of the first PTC chamber 121 and after corresponding to the first PTC, which is constituted, has one to be raised in Flange 1213(Fig. 2 is limited before first PTC on the surface of anterior cavity wall to show), in the rear cavity wall of the 2nd PTC chamber 122 and in correspondence Flange is limited after the preceding position for limiting flange 1233 the 2nd PTC constitutes the 2nd PTC for having a surface for being raised in rear cavity wall 1223.The bottom supporting of first PTC31 above-mentioned is in the first PTC support lug 1212 above-mentioned, the front side of the first PTC31 It is touched with the patch of flange 1213 is limited before aforementioned first PTC, and limits flange 1232 after the rear side of the first PTC31 and aforementioned first PTC Patch touching, the bottom supporting of the 2nd PTC32 above-mentioned is in the 2nd PTC support lug 1222, the front side and second of the 2nd PTC32 The patch touching of flange 1233 is limited before PTC, and is limited the patch of flange 1223 after the rear side of the 2nd PTC32 and aforementioned 2nd PTC and touched.
It is limited after limiting flange 1213, the first PTC before the 1212,1222, the first PTC of first, second PTC support lug above-mentioned Determine to limit before flange 1232, the 2nd PTC that limit the cross-sectional shape of flange 1223 after flange 1233 and the 2nd PTC be in ∧ word Shape limits flange before reducing the first PTC31 and the first PTC support lug 1212, the first PTC by the shape of the ∧ font 1213 and the first the contact area of flange 1232 is limited after PTC and at the same time reducing the 2nd PTC32 and the 2nd PTC support lug 1222, the contact area that flange 1223 is limited after flange 1233 and the 2nd PTC is limited before the 2nd PTC.Reduction contact above-mentioned Area make the first, second PTC31,32 heat transfer loss be reduced.
Continue to see Fig. 1, aforementioned interior electrode slice 33 front end and corresponding to aforementioned first PTC31 left side position Solid welding has electrode slice front end elasticity presser feet 332 in one, and in the rear end of interior electrode slice 33 and is corresponding to aforementioned 2nd PTC32 The position solid welding in left side have electrode slice rear end elasticity presser feet 333 in one, aforementioned dispatch from foreign news agency pole piece 34 front end and in correspondence One dispatch from foreign news agency pole piece front end elasticity presser feet 342 of position solid welding in the right side of aforementioned first PTC31, and in the rear end of outer electrode slice 34 And the position solid welding on the right side corresponding to the 2nd PTC32 has a dispatch from foreign news agency pole piece rear end elasticity presser feet 343, interior electrode slice front end The left side face contact of elastic presser feet 332 and the first PTC31, the left side of interior electrode slice rear end elasticity presser feet 333 and the 2nd PTC32 Contact, the right side face contact of dispatch from foreign news agency pole piece front end elasticity presser feet 342 and the first PTC31, dispatch from foreign news agency pole piece rear end elasticity presser feet 343 and The right side face contact of 2nd PTC32.
In the present embodiment, interior electrode slice front and back ends elasticity presser feet 332 above-mentioned, 333, dispatch from foreign news agency pole piece front end elasticity pressure The shape of foot 342 and dispatch from foreign news agency pole piece rear end elasticity presser feet 343 is in splayed, and this shape can play and first, second Good patch between PTC31,32 touches effect.
In inductance chamber 113 above-mentioned and be located at inductance chamber 113 central location perpendicular to inductance chamber 113 bottom wall structure Cheng Youyi inductance positioning column 1131, aforementioned inductance 23 have an inductance framework 233, in the short transverse of the inductance framework 233 Center offers an inductance positioning column matching hole 2331, which is nested in inductance positioning column 1131 On.
It refers to Fig. 3 and combines Fig. 1, be formed with one perpendicular to tray cover 4 towards upper side in tray cover 4 above-mentioned External terminal inserts embedding seat 44, which inserts the rear side edge that embedding seat 44 extends to tray cover 4 from the front side of tray cover 4 edge, It encloses in tray cover 4 and in the position for corresponding to the left side central portion that external connection end inserts embedding seat 44 and is inserted equipped with a pair of n font external terminal Chamber 45 is formed with a pair of n font external terminal fixed socket 451 in the bottom that double n font external terminals insert chamber 45, above-mentioned M pin relief hole 41 corresponds to double n font external terminals and inserts the front side of chamber 45 and insert the double of chamber 45 by double n font external terminals N font external terminal is inserted chamber anterior cavity wall 452 and is isolated, and N pin relief hole 42 above-mentioned corresponds to double n font external terminals and inserts chamber 45 Left side and by double n font external terminals insert chamber 45 double n font external terminals insert chamber left chamber wall 453 be isolated, it is above-mentioned outside Electrode slice inserting foot relief hole 43 corresponds to double n font external terminals and inserts the rear side of chamber 45 and inserted by double n font external terminals Cavity wall 454 is isolated after double n font external terminals of chamber 45 insert chamber.
External terminal mechanism 5 above-mentioned includes list n font external terminal 51, the first m font external terminal 52, the 2nd m word Shape external terminal 53 and double n font external terminals 54, single n font external terminal 51 is before corresponding to external terminal and inserting embedding seat 44 The position that single N font external terminal on end right side inserts chamber 443 is inserted inserts on embedding seat 44 embedded in external terminal, the first m font external connection end Son 52 is inserted embedding in the position for corresponding to the slotting chamber 444 of the first m font external terminal on the right side of the middle part that external terminal inserts embedding seat 44 It is inserted on embedding seat 44 in external terminal, the 2nd n font external terminal 53 is corresponding on the right side of the rear end that external terminal inserts embedding seat 44 The position that 2nd m font external terminal inserts chamber 445 is inserted inserts on embedding seat 44 embedded in external terminal, and double n font external terminals 54 are right The position and the jack 4511 on double n font external terminal fixed sockets 451 above-mentioned that Ying Yushuan n font external terminal inserts chamber 45 Inserting inserts the right side of embedding seat 44 in external terminal above-mentioned and is corresponding to aforementioned list n font external terminal 51 and the first m word Position between shape external terminal 52 perpendicular to external terminal insert embedding seat 44 be extended with one for by single n font external terminal 51 with The first electric insulation isolation board 441 that electrical isolation is formed between first m font external terminal 52 is corresponding to the first, second m Position between font external terminal 52,53, which is also perpendicular to external connection end, inserts embedding seat 44 and is extended with one for will be outside the first m font The second electric insulation isolation board 442 of electrical isolation is formed between connecting terminal 52 and the 2nd m shape external terminal 53.
Continue to see Fig. 1 and Fig. 3, a box body fixing seat 16 is formed in the lower part of the front side outer wall of aforementioned box body 1, in the box A box body fixing seat screw hole 161 is offered in body fixing seat 16, on the outer wall of the left and right side of box body 1 and is located at upper Portion, which respectively constitutes to have the snap-fitted flange 17 of a pair of of box cover and respectively constitute in the lower part of the outer wall of the left and right side of box body 1, one To box body locating button 18, aforementioned tray cover 4 left and right side and corresponding to a pair of of box cover above-mentioned it is snap-fitted convex The position of edge 17, which is respectively constituted, a pair of of box cover hasp 46, this is interlocked to box cover hasp 46 and a pair of of snap-fitted flange 17 of box cover
As a preferred option, the side in tray cover 4 under and correspond to aforementioned first PTC chamber 121 position It sets and is extended with a dispatch from foreign news agency pole piece front end and pushes away foot 47, and be extended with an outer motor pole in the position for corresponding to aforementioned 2nd PTC chamber 122 Piece rear end pushes away foot 48, and dispatch from foreign news agency pole piece front end pushes away in the first PTC chamber 121 of the insertion of foot 47 and the front end with dispatch from foreign news agency pole piece 34 above-mentioned Right side face contact, and dispatch from foreign news agency pole piece rear end pushes away in the 2nd PTC chamber 122 of the insertion of foot 48 and the rear end right side with dispatch from foreign news agency pole piece 34 Contact pushes away foot 47 by dispatch from foreign news agency pole piece front end and dispatch from foreign news agency pole piece rear end pushes away foot 48 and forces on the left of the front end of aforementioned dispatch from foreign news agency pole piece 34 Face and rear end left side are close to the right side of the right side of the first PTC31 above-mentioned and the 2nd PTC32 respectively.
It is shown in FIG. 1 to be located to be opened in and is formed with a dispatch from foreign news agency pole piece front end on the right chamber wall of the first PTC chamber 121 and pushes away Foot slot 1215(can also claim dispatch from foreign news agency pole piece front end to push away foot guiding slot), dispatch from foreign news agency pole piece front end pushes away the corresponding dispatch from foreign news agency pole piece front end of foot 47 It pushes away in foot slot 1215.Same reason, be formed on the right chamber wall of the 2nd PTC chamber 122 a dispatch from foreign news agency pole piece rear end push away foot insert Slot (not shown), dispatch from foreign news agency pole piece rear end push away foot 48 and push away in foot slot corresponding to the dispatch from foreign news agency pole piece rear end.
In a state of use, box body 1 is passed through into box body fixing seat 16 and box body locating button 18 and commercial refrigeration pressure thereon Contracting machine is fixed, and is made in commercial refrigeration compressor mutual-inductance contactless current starter access compressor start circuit of the present invention, tool Body is: (i.e. with dynamic condenser by the dispatch from foreign news agency pole piece inserting foot 341 of the dispatch from foreign news agency pole piece 34 of the structural system of idle starter mechanism 3 Refrigeration compressor rise dynamic condenser) one end electrical connection, and rise dynamic condenser the other end and external terminal mechanism 5 structural system Double n font external terminals 54 the first foot of double n font external terminals 541 or double n font external terminal crus secundas 542 connection, And the double n font external terminal third feet 543 or the 4th foot 544 of double n font external terminals and system of double n font external terminals 54 One end connection of the operation capacitor of cold compressor, and run the other end of capacitor and the structural system of prong mechanisms 6 of the invention M pin 61 the first electric connection terminal of M pin 612 connect, and the second electric connection terminal of M pin 613 of M pin 61 and compression The end M of the main coil of machine connects, the N pin first, second of the N pin 62 of the structural system of prong mechanisms 6 be electrically connected pin 622, The 623 and N pin third any pin that is electrically connected in pin 624 that is electrically connected connects power end, and other two is electrically connected pin then with refrigerator The power end in interior other circuits connects.Outside single n font external terminal 51 of the structural system of external connection end mechanism 5, the first m font Connecting terminal 52 and the 2nd m font external terminal 53 are transfer terminal, in which: single n font external terminal 51 meets compressor L End, the first m font external terminal 52 connect the power supply other end, and the 2nd m font external terminal 53 is ground terminal.
At the beginning of motor starts starting, due to rotor not yet high-speed rotation, it can be generated in motor main winding circuit One biggish starting current.Current transformer 21, can be secondary since primary coil is serially connected in the main winding circuit of motor A biggish secondary induction electric current for corresponding to motor starting currents in primary coil is generated in grade coil.It is appropriate by selecting The parameter of current transformer 21 can be such that induced current triggering bidirectional triode thyristor 22 is connected.Bidirectional triode thyristor 22 makes after being connected Motor starter circuit, which is connected, enters working condition.At this point, motor starts to start, rotor speed is risen rapidly, when flowing through circuit Alternating current when reaching zero point, motor starter circuit disconnects substantially, and motor enters normal operating condition.Enter fortune in motor After row state, the operating current of motor circuit system also declines to a great extent to close to normal operating conditions electric current, current transformer 21 Secondary induction electric current also decline to a great extent therewith, can not finally trigger bidirectional triode thyristor 22 conducting, at this point, motor starter circuit It is disconnected completely.The circuit acquires the current signal in electric motor loop using current transformer 21, can effectively control electric current and adopt Power consumption during sample, verified, which usually can realize usually said " zero-power " down to milliwatt Commercial refrigeration compressor motor starter, to greatly improve energy-saving efficiency.
In conclusion technical solution provided by the invention compensates for the shortcoming in prior art, invention has been favorably accomplished Task has faithfully fulfilled the technical effect that applicant refers in technical effect column above.

Claims (10)

1. a kind of commercial refrigeration compressor electric motor mutual-inductance contactless current starter, including an open topped and surrounding and bottom The closed box body in portion (1) starts control mechanism chamber (11) and one is located at starting control mechanism every being equipped with one in the box body (1) The idle starter mechanism chamber (12) on the right side of chamber (11)；One starts control mechanism (2), and the starting control mechanism (2) setting exists In the starting control mechanism chamber (11)；One idle Dong Qi mechanism (3), the idle starter mechanism (3) are arranged described Idle starter mechanism chamber (12) in and with the starting control mechanism (2) be electrically connected；One tray cover (4), the box body Lid (4) is matched at the open position for corresponding to the box body (1) and box body (1) lid, in the position of the front side left end of the tray cover (4) M pin relief hole (41) is offered, offers N pin relief hole (42) in the position of the left side rear end of tray cover (4), and in box Dispatch from foreign news agency pole piece inserting foot relief hole (43) is offered in the middle part of the rear side of body lid (4)；One external terminal mechanism (5), the external terminal Mechanism (5) setting is in the tray cover (4) towards upper side；One prong mechanisms (6), the prong mechanisms (6) include a M pin (61) and the box body (1) is arranged in a N pin (62), the position that M pin (61) corresponds to the M pin relief hole (41) Above and M pin relief hole (41) is leant out, the position that N pin (62) corresponds to the N pin relief hole (42) is arranged in box body (1) on and N pin relief hole (42) is leant out, the commercial refrigeration is started by the idle starter mechanism (3) and compresses electromechanics Machine makes idle starter mechanism by the starting control mechanism (2) after commercial refrigeration compressor electric motor enters normal operation (3) realize open circuit, it is characterised in that: the starting control mechanism chamber (11) and the idle starter mechanism chamber (12) it Between by starter chamber insulative partition wall (13) separate, the starting control mechanism chamber (11) include be isolated from each other and successively A current transformer chamber (111), a bidirectional triode thyristor chamber (112) and the inductance chamber (113) being distributed from front to back, the nothing Power consumption starter mechanism chamber (12) includes one the oneth PTC chamber (121) and one the 2nd PTC chamber (122), and the 2nd PTC chamber (122) is positioned at the By PTC chamber insulative partition wall (123) point between the rear of one PTC chamber (121) and the first, second PTC chamber (121,122) Every the starting control mechanism (2) includes a current transformer (21), a bidirectional triode thyristor (22) and an inductance (23), electricity Current transformer (21) be arranged in the current transformer chamber (111) and the current transformer (21) simultaneously with the M Pin (61), N pin (62) and bidirectional triode thyristor (22) electrical connection, bidirectional triode thyristor (22) be arranged in it is described it is two-way can It controls in silicon chamber (112) and at the same time being electrically connected with M pin (61) and the inductance (23), inductance (23) is arranged described Inductance chamber (113) in and be electrically connected with the idle starter mechanism (3), which includes One the oneth PTC (31), one the 2nd PTC (32), electrode slice (33), a dispatch from foreign news agency pole piece (34) and an electrode sheet resistance (35) in one, First PTC (31) is arranged in the first PTC chamber (121), and the 2nd PTC chamber (122) is arranged in the 2nd PTC (32) It is interior, PTC conductive layer, interior electrode slice are respectively combined on the surface of the left and right side of the first PTC (31) and the 2nd PTC (32) (33) front end is inserted in the first PTC chamber (121) and the left side face contact with the first PTC (31), and interior electrode slice (33) Rear end on the left side being inserted in after the PTC chamber insulative partition wall (123) in the 2nd PTC chamber (122) with the 2nd PTC (32) Side contacts and is also electrically connected with the inductance (23), and the front end of dispatch from foreign news agency pole piece (34) is inserted in the first PTC chamber (121) Right side face contact interior and with the first PTC (31), and the rear end of dispatch from foreign news agency pole piece (34) is by way of PTC chamber insulative partition wall (123) it is inserted in after in the 2nd PTC chamber (122) and the right side face contact with the 2nd PTC (32), in the dispatch from foreign news agency pole piece (34) Rear end end is extended with a dispatch from foreign news agency pole piece inserting foot (341), which is corresponding to the dispatch from foreign news agency pole piece The position of inserting foot relief hole (43) leans out the tray cover (4), and electrode sheet resistance (35) is located in the first PTC chamber (121) Interior, which has a first electrode sheet resistance connecting pin (351) and a second electrode sheet resistance connecting pin (352), the front end of first electrode sheet resistance connecting pin (351) and the interior electrode slice (33) is electrically connected, and second electrode sheet The front end of resistance connecting pin (352) and the dispatch from foreign news agency pole piece (34) is electrically connected.
2. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 1, it is characterised in that Constituting on the box body (1) and in the position for corresponding to the M pin relief hole (41) has a M pin base (14), in M M pin caulking groove (141) is offered on pin base (14), the lower part of the M pin (61) is inserted in M pin caulking groove (141)； Constituting on box body (1) and in the position for corresponding to the N pin relief hole (42) has a N pin base (15), in N pin N pin caulking groove (151) is offered on seat (15), the lower part of the N pin (62) is inserted in N pin caulking groove (151)；Institute Electrode slice electricity in one is offered on the starter chamber insulative partition wall (13) stated and in the position for corresponding to the inductance (23) Connecting pin limits slot (131).
3. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 2, it is characterised in that The current transformer chamber (111) is exhausted by current transformer chamber dielectric separation plate (1111) and the bidirectional triode thyristor chamber (112) Edge isolation, and bidirectional triode thyristor chamber (112) is insulated by bidirectional triode thyristor chamber dielectric separation plate (1121) and the inductance chamber (113) Isolation offers a M pin on the M pin base (14) and in the position for corresponding to the current transformer chamber (111) Terminals locating slot (142), the M pin (61) lower part and corresponding to M pin terminals locating slot (142) Position is extended with a M pin terminals (611), which is corresponding to M pin terminals locating slot (142) Position be located on M pin base (14), the interior electrode slice (33) upper rear end and correspond to the interior electrode Piece be electrically connected pin limit slot (131) position bending and be formed with electrode slice in one and be electrically connected pin (331), which is electrically connected Pin (331) is electrically connected in pin restriction slot (131) embedded in interior electrode slice, on the N pin base (15) and is corresponding to The position in the left side of the current transformer chamber dielectric separation plate (1111) offers a N pin terminals locating slot (152), It the lower part of the N pin (62) and is extended with a N pin in the position for corresponding to N pin terminals locating slot (152) and connects Line end (621), the N pin terminals (621) are located in N pin base in the position for corresponding to N pin terminals locating slot (152) (15) on, the current transformer (21) has the first, second, third pin of current transformer (211,212,213) and electric current The 4th pin (214) of mutual inductor, the bidirectional triode thyristor (22) have the first, second pin of bidirectional triode thyristor (221,222) With bidirectional triode thyristor third pin (223), the inductance (23) has the first pin of inductance (231) and inductance second pin (232), the first pin of current transformer (211) and the M pin terminals (611) are electrically connected, current transformer second Pin (212) and the first pin of bidirectional triode thyristor (221) are electrically connected, mutual in current transformer third pin (213) and electric current Be connected in series between the 4th pin (214) of sensor a resistance (215) and the 4th pin (214) of current transformer also simultaneously with Bidirectional triode thyristor third pin (223) electrical connection, and the first pin of bidirectional triode thyristor (221) also with the N pin terminals (621) it is electrically connected, bidirectional triode thyristor second pin (222) and the first pin of inductance (231) are electrically connected, and inductance second draws Foot (232) limits the position of slot (131) and the interior electrode slice is electrically connected pin corresponding to the interior electrode slice pin that is electrically connected (331) it is electrically connected.
4. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 1, it is characterised in that The starter chamber insulative partition wall (13) towards the first PTC chamber (121) side constitute have one for supply described in Embedding interior electrode slice front end caulking groove (132) is inserted in the front end of interior electrode slice (33), while towards the 2nd PTC chamber (122) Side constitute and have one for inserting embedding interior electrode slice rear end caulking groove (133) for the rear end of the interior electrode slice (33), the On first PTC chamber right chamber wall of one PTC chamber (121) interval constitute have the surface for being raised in the first PTC chamber right chamber wall for making The dispatch from foreign news agency pole piece front end packing flange that the front end of the dispatch from foreign news agency pole piece (34) reclines to the direction of the first PTC (31) (1211), constituting and on the first bottom of chamber PTC wall of the first PTC chamber (121) has a surface for being raised in the first bottom of chamber PTC wall First PTC support lug (1212), interval constitutes and is raised in second on the 2nd PTC chamber right chamber wall of the 2nd PTC chamber (122) The surface of PTC chamber right chamber wall is used to that the rear end of the dispatch from foreign news agency pole piece (34) to be made to recline to the direction of the 2nd PTC (32) Dispatch from foreign news agency pole piece rear end packing flange (1221), and constituting on the 2nd bottom of chamber PTC wall of the 2nd PTC chamber (122) has one to be raised in The 2nd PTC support lug (1222) on the surface of the 2nd bottom of chamber PTC wall, the front end of the interior electrode slice (33), which is inserted, is embedded in interior electrode On piece front end caulking groove (132), and rear end is inserted on interior electrode slice rear end caulking groove (133), the dispatch from foreign news agency pole piece (34) Front end rests on dispatch from foreign news agency pole piece front end packing flange (1211), and rear end rests on dispatch from foreign news agency pole piece rear end packing flange (1221) On, an electrode slice resigning breach is respectively offered on the top of the left and right side of the PTC chamber insulative partition wall (123) (1231), it is embedded in electrode slice resigning breach (1231) in the middle part of the interior electrode slice (33) and dispatch from foreign news agency pole piece (34), The middle part design of PTC chamber insulative partition wall (123) towards the short transverse of the side of the first PTC chamber (121) has one to be raised in PTC Flange (1232) are limited after one the oneth PTC on the surface of chamber insulative partition wall (123), in PTC chamber insulative partition wall (123) direction The middle part design of the short transverse of the side of 2nd PTC chamber (122) has one to be equally raised in PTC chamber insulative partition wall (123) Flange (1233) are limited before one the 2nd PTC on surface, on the anterior cavity wall of the first PTC chamber (121) and are corresponding to the first PTC The position for limiting flange (1232) afterwards constitutes restriction flange (1213) before the first PTC for having a surface for being raised in anterior cavity wall, The position that flange (1233) are limited in the rear cavity wall of 2nd PTC chamber (122) and before corresponding to the 2nd PTC, which is constituted, a protrusion Flange (1223) are limited after the 2nd PTC on the surface of rear cavity wall, the bottom supporting of the first PTC (31) is described the In one PTC support lug (1212), the touching of flange (1213) patch is limited before the front side of the first PTC (31) and the first PTC, and It limits flange (1232) patch after the rear side and the first PTC of first PTC (31) to touch, the bottom branch of the 2nd PTC (32) It holds in the 2nd PTC support lug (1222), limits the touching of flange (1233) patch before the front side of the 2nd PTC (32) and the 2nd PTC, And flange (1223) patch is limited after the rear side of the 2nd PTC (32) and the 2nd PTC and is touched.
5. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 4, it is characterised in that Limited before the first, second PTC support lug (1212,1222), the first PTC limit after flange (1213), the first PTC it is convex The cross-sectional shape that restriction flange (1223) after flange (1233) and the 2nd PTC is limited before edge (1232), the 2nd PTC is in ∧ word Shape, reduce by the shape of the ∧ font limit before the first PTC (31) and the first PTC support lug (1212), the first PTC it is convex The contact area of flange (1232) is limited and at the same time reducing the 2nd PTC (32) and the 2nd PTC after edge (1213) and the first PTC The contact area that flange (1223) are limited after flange (1233) and the 2nd PTC is limited before support lug (1222), the 2nd PTC.
6. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 4, it is characterised in that The interior electrode slice (33) front end and have electrode in one in the position solid welding in left side for corresponding to the first PTC (31) Piece front end elasticity presser feet (332), and in the rear end of interior electrode slice (33) and corresponding to the left side of the 2nd PTC (32) Position solid welding has electrode slice rear end elasticity presser feet (333) in one, the dispatch from foreign news agency pole piece (34) front end and correspond to institute The one dispatch from foreign news agency pole piece front end elasticity presser feet (342) of position solid welding on the right side of the first PTC (31) is stated, and after outer electrode slice (34) It holds and the position solid welding on the right side corresponding to the 2nd PTC (32) has a dispatch from foreign news agency pole piece rear end elasticity presser feet (343), interior electrode The left side face contact of piece front end elasticity presser feet (332) and the first PTC (31), interior electrode slice rear end elasticity presser feet (333) and second The left side face contact of PTC (32), the right side face contact of dispatch from foreign news agency pole piece front end elasticity presser feet (342) and the first PTC (31), external electrode The right side face contact of piece rear end elasticity presser feet (343) and the 2nd PTC (32).
7. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 6, it is characterised in that Interior electrode slice front and back ends elasticity presser feet (332,333), dispatch from foreign news agency pole piece front end elasticity presser feet (342) and the dispatch from foreign news agency pole piece The shape of rear end elasticity presser feet (343) is in splayed.
8. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 1, it is characterised in that Central location in the inductance chamber (113) and positioned at inductance chamber (113) is constituted perpendicular to the bottom wall of inductance chamber (113) There is an inductance positioning column (1131), the inductance (23) has an inductance framework (233), in the height of the inductance framework (233) The center in direction offers an inductance positioning column matching hole (2331), which is nested with fixed in inductance On position column (1131).
9. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 1, it is characterised in that An external terminal is formed with perpendicular to tray cover (4) towards upper side in the tray cover (4) and inserts embedding seat (44), this is external Terminal inserts embedding seat (44) from the front side of tray cover (4) along the rear side edge for extending to tray cover (4), on tray cover (4) and The position that the left side central portion of embedding seat (44) is inserted corresponding to external connection end, which is enclosed, inserts chamber (45) equipped with a pair of n font external terminal, in double n The bottom that font external terminal inserts chamber (45) is formed with a pair of n font external terminal fixed socket (451), and the M pin allows Position hole (41) corresponds to double n that double n font external terminals insert the front side of chamber (45) and insert chamber (45) by double n font external terminals Font external terminal inserts chamber anterior cavity wall (452) isolation, and the N pin relief hole (42) corresponds to double n font external terminals and inserts The left side of chamber (45) and the double n font external terminals slotting chamber left chamber wall (453) for inserting chamber (45) by double n font external terminals every From the dispatch from foreign news agency pole piece inserting foot relief hole (43) corresponds to double n font external terminals and inserts the rear side of chamber (45) and by double n Cavity wall (454) is isolated after double n font external terminals that font external terminal inserts chamber (45) insert chamber；The external terminal mechanism It (5) include list n font external terminal (51), the first m font external terminal (52), the 2nd m font external terminal (53) and double n words Shape external terminal (54), single n font external terminal (51) are corresponding to the position on the right side of the front end that external terminal inserts embedding seat (44) It inserts and is inserted on embedding seat (44) embedded in external terminal, the first m font external terminal (52) is inserting embedding seat (44) corresponding to external terminal Position on the right side of middle part is inserted inserts on embedding seat (44) embedded in external terminal, and the 2nd n font external terminal (53) is corresponding to external connection end Son is inserted the slotting external terminal that is embedded in the position on the right side of the rear end of embedding seat (44) and is inserted on embedding seat (44), and double n font external terminals (54) exist Position and double n font external terminal fixed socket (451) insertings corresponding to double n font external terminals slotting chamber (45), The right side of embedding seat (44) is inserted in the external terminal and is corresponding to the list n font external terminal (51) and the first m word Embedding seat (44) is inserted perpendicular to external terminal and is extended with one for by single n font external terminal for position between shape external terminal (52) (51) the first electric insulation isolation board (441) that electrical isolation is formed between the first m font external terminal (52), is corresponding to Position between first, second m font external terminal (52,53), which is also perpendicular to external connection end, inserts embedding seat (44) and is extended with one and be used for By between the first m font external terminal (52) and the 2nd m shape external terminal (53) formed electrical isolation the second electric insulation every From plate (442).
10. commercial refrigeration compressor electric motor mutual-inductance contactless current starter according to claim 1, it is characterised in that It is formed with a box body fixing seat (16) in the lower part of the front side outer wall of the box body (1), is opened up in the box body fixing seat (16) There is a box body fixing seat screw hole (161), constituting on the outer wall of the left and right side of box body (1) and respectively positioned at top has one To the snap-fitted flange of box cover (17) and respectively constituting in the lower part of the outer wall of the left and right side of box body (1) has a pair of of box body fixed Position button (18), the tray cover (4) left and right side and correspond to the snap-fitted flange of a pair of of box cover (17) position, which is respectively constituted, a pair of of box cover hasp (46), this is to box cover hasp (46) and a pair of of snap-fitted flange of box cover (17) It is interlocked, is extended with outside one in side of the tray cover (4) under and in the position for corresponding to the first PTC chamber (121) Electrode slice front end pushes away foot (47), and is extended with an outer motor pole piece rear end in the position for corresponding to the 2nd PTC chamber (122) and pushes away Foot (48), dispatch from foreign news agency pole piece front end pushes away in the first PTC chamber (121) of foot (47) insertion and the front end with the dispatch from foreign news agency pole piece (34) Right side face contact, and dispatch from foreign news agency pole piece rear end pushes away in the 2nd PTC chamber (122) of foot (48) insertion and the rear end with dispatch from foreign news agency pole piece (34) Right side face contact pushes away foot (47) by dispatch from foreign news agency pole piece front end and dispatch from foreign news agency pole piece rear end pushes away foot (48) and forces the dispatch from foreign news agency pole piece (34) front end left side and rear end left side respectively with the right side of the first PTC (31) and the 2nd PTC (32) Right side be close to.
CN201611010543.7A 2016-11-17 2016-11-17 Commercial refrigeration compressor electric motor mutual-inductance contactless current starter Active CN106374783B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201435705Y (en) * 2009-06-02 2010-03-31 杭州星帅尔电器有限公司 Combined type low power-consumption starting thermal protector
EP2458728A2 (en) * 2010-11-30 2012-05-30 B.D.G. el S.r.l. Motor control systems
CN103326631A (en) * 2013-07-01 2013-09-25 常熟市天银机电股份有限公司 Single-phase motor energy-saving starting module
CN104734570A (en) * 2015-03-16 2015-06-24 常熟市天银机电股份有限公司 Power-dissipation-free and energy-saving type start protector of single phase AC motor
CN206481239U (en) * 2016-11-17 2017-09-08 常熟市天银机电股份有限公司 Commercial refrigeration compressor electric motor mutual-inductance contactless current starter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201435705Y (en) * 2009-06-02 2010-03-31 杭州星帅尔电器有限公司 Combined type low power-consumption starting thermal protector
EP2458728A2 (en) * 2010-11-30 2012-05-30 B.D.G. el S.r.l. Motor control systems
CN103326631A (en) * 2013-07-01 2013-09-25 常熟市天银机电股份有限公司 Single-phase motor energy-saving starting module
CN104734570A (en) * 2015-03-16 2015-06-24 常熟市天银机电股份有限公司 Power-dissipation-free and energy-saving type start protector of single phase AC motor
CN206481239U (en) * 2016-11-17 2017-09-08 常熟市天银机电股份有限公司 Commercial refrigeration compressor electric motor mutual-inductance contactless current starter

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