CN205430024U - Hardness testing device and gentle chamber compressor - Google Patents
Hardness testing device and gentle chamber compressor Download PDFInfo
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- CN205430024U CN205430024U CN201620216758.3U CN201620216758U CN205430024U CN 205430024 U CN205430024 U CN 205430024U CN 201620216758 U CN201620216758 U CN 201620216758U CN 205430024 U CN205430024 U CN 205430024U
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Abstract
The utility model relates to a hardness testing device and gentle chamber compressor, this hardness testing device include stator and active cell, the active cell is the ring magnet radiation active cell, the ring active cell includes the transmission shaft and adorns in the cyclic annular permanent magnet of transmission shaft, cyclic annular permanent magnet is the permanent magnetism closed loop that integrated into one piece and warp radiation were magnetized, the stator includes silicon steel outer loop that is formed by the overlapping of multilayer silicon steel sheet and a plurality of interior silicon steel sheet that is extended by radial surface in the silicon steel outer loop, and around there being the coil winding on silicon steel sheet, the coil winding on a plurality of interior silicon steel sheet of every stator is by flat copper line coiled in proper order in every. Above -mentioned motor adopts integrated into one piece's ring magnet radiation active cell, and simple structure is compact, and is energy -concerving and environment -protective. And ring magnet radiation is loop configuration, prevents the magnetic leakage, has promoted the power sum efficiency of motor. And the coil of stator does not influence each other, does not have and interferes or overlap, has improved the power of motor.
Description
Technical field
This utility model relates to technical field of motors, is specifically related to a kind of permanent-magnetism linear motor and soft cavity compressor.
Background technology
Motor has become as one of vital critical component in commercial production, is widely used in various industrial machine, such as, with driving piston within the compressor.Compressor generally uses electric rotating machine to drive mechanical part compressed action, the existence of the device such as screw rod, bent axle can consume portion of energy, reciprocating compressor is by mechanical system by bigger for the energy that convert rotational motion is linear motion consumption, and efficiency conversion ratio is relatively low.Therefore, compressor tends to use linear electric motors.
Korea Spro, Mei Deng state have used linear electric motors to drive bucket cylinder to realize compressing and production of linear compressor, domestic also without this type of application precedent.There is cylinder compressor because piston rod rubs for a long time with piston cylinder, cause that energy consumption is higher, mechanical part abrasion is easily damaged greatly, affect power of motor lifting and motor service life.
The most conventional linear electric motors are mainly permanent-magnetism linear motor, and in general, permanent-magnetism linear motor all includes stator and permanent magnetic rotor.Permanent magnetic rotor is connected on support, and traditional mover is that multi-disc arc mover is spliced into a circular mover, such as, be spliced into whole gyration with eight arc movers, and eight arc movers magnetize identical.Stator uses two or more, the most bipolar stator, and N, S pole of the two stator is alternately arranged arrangement, thus constitutes a permanent-magnetism linear motor.Obviously, in this motor, needing at least two stator, each stator to use silicon steel material to make, then carry out coil windings, thus need double stator cost of manufacture, and stator is more relative to mover materials, making is more difficult to.It addition, have partition to be spaced between eight arc movers, partition is connected to power transmission shaft by support.Gyration of this splicing construction mode has interference between each arc mover, affects permanent magnetism magnetic and utilizes, and power is low, and easily leakage field, cause electric efficiency low, power is difficult to be effectively improved.
It addition, traditional stator uses multiple stalloys, and being divided into n pair, every a pair stalloy, to being wound around same coil, during for example with eight stalloys, then uses four coil windings, thus constitutes a magneto.This canoe of motor stator, by making the magnetic line of force produced between each pair of coil interfere, causes magnetic force to lose, and affects permanent magnetism magnetic and utilizes, reduce power of motor, and the intensity distributions of the magnetic line of force is uneven, causing magneto inefficiency, power is difficult to be effectively improved.
Utility model content
In view of this, it is necessary to a kind of compact conformation is provided, prevents magnetic leakage, magnetic utilization rate high, energy-efficient, simple for production and the permanent-magnetism linear motor of low cost and soft cavity compressor.
A kind of permanent-magnetism linear motor, it includes stator and mover, described mover is permanent magnet radiation ring mover, described gyration attached bag includes power transmission shaft and is loaded on the annular permanent magnets of power transmission shaft, described annular permanent magnets is one-body molded and the permanent magnetism closed loop that magnetizes via radiation, described stator includes the silicon steel outer shroud by multilamellar stalloy overlap and the multiple interior stalloy extended by silicon steel outer shroud inner surface radial direction, being wound with coil windings on each interior stalloy, the coil windings on the multiple interior stalloy of each stator is coiled into successively by a copper cash.
Further, described annular permanent magnets is divided into two or more permanent magnet radiation ring in the axial direction, each permanent magnet radiation ring is one-body molded and the permanent magnetism closed loop that magnetizes via radiation, the magnetic polarity of adjacent two permanent magnet radiation ring the same sides is different, it is provided with magnetism-isolating loop inside described annular permanent magnets, between adjacent two permanent magnet radiation rings, there is spacer ring.
Further, described annular permanent magnets can also be a permanent magnet radiation ring, described stator is double layered stator, the induced field that the coil windings sense of current on described double layered stator is different and makes double layered stator form two poles reversal, to drive permanent magnet radiation ring mover to produce straight reciprocating motion, is provided with magnetism-isolating loop inside described permanent magnet radiation ring.
Further, described magnetism-isolating loop is installed on power transmission shaft by connecting shaft support, described connecting shaft support includes the multiple support plates being connected to arrange radially between power transmission shaft and magnetism-isolating loop, and described silicon steel outer shroud is closed-loop structure, and the plurality of interior stalloy and silicon steel outer shroud are formed in one structure.
Further, the end of each interior stalloy has silicon steel teeth portion, adjacent two interior stalloys and respective silicon steel teeth portion ring inner surface outer with silicon steel constitute the cavity housing coil windings, each silicon steel teeth portion is curved, and multiple arc silicon steel teeth portion are spaced and be looped around on same circumference or constitute the internal ring coaxial with silicon steel outer shroud time multiple arc silicon steel teeth portion is connected.
Further, on each interior stalloy coil be near silicon steel outer shroud side or be proximate to silicon steel teeth portion position start be wound around, in each, the winding direction of the coil windings on stalloy is identical, and each coil windings trend on interior stalloy is consistent.
Further, the magnetic line of force direction of each permanent magnet radiation ring is centripetal or radial, and the magnetic line of force of each permanent magnet radiation ring is through the axle center of power transmission shaft.
And, a kind of soft cavity compressor, it includes permanent-magnetism linear motor and be loaded on the compression chamber at permanent-magnetism linear motor two ends, and described permanent-magnetism linear motor is permanent-magnetism linear motor as above.
Further, described compression chamber is the flexible concertina chamber of the end part of driving shaft being arranged on permanent-magnetism linear motor, and described flexible concertina chamber is connected with power transmission shaft.
Further, described soft cavity compressor has shell, a fixed platen it is close between described shell and the interior stalloy of stator, each fixed platen has the through hole allowing power transmission shaft pass, each flexible concertina chamber is bulge loop structure with the junction, end of power transmission shaft, one power assistant spring of sandwiched between described bulge loop structure and fixed platen.
Above-mentioned permanent-magnetism linear motor uses integrated permanent magnet radiation ring mover, and structure is compacter, the most ingenious, easy to make, and save time material-saving, energy-conserving and environment-protective.And, the closed-loop structure being one-body molded due to permanent magnet radiation ring and magnetize via radiation, not splicing, easy to make, save material, reduce cost, it is to avoid because using the leakage field and reverse magnetism that splicing permanent magnet occurs in prior art, improve magnetic utilization rate, improve power and the efficiency of motor.In motor stator structure, coil winding direction on multiple interior stalloys is identical and is coiled into by a coil, and for be wound around successively, the coil of two adjacent interior stalloys is independent of each other, the most do not overlap, the magnetic line of force produced the most is not interfered or overlapping, improves magnetic utilization rate, improves the power of magneto.And the magnetic line of force is evenly distributed in the coil windings of above-mentioned permanent-magnetism linear motor stator, synergism is strong, can give full play to respective magnetic action, make power of motor obtain significantly more efficient lifting.So, combined the interior stalloy coil windings of specific canoe, both synergism by the permanent magnet radiation ring of closed-loop structure, cooperate, more effectively play magnetic utilization rate, increase magnetic power, lifting motor efficiency.
Accompanying drawing explanation
Fig. 1 is soft cavity compressor and the axial sectional structure schematic diagram of permanent-magnetism linear motor thereof of this utility model embodiment.
Fig. 2 is the mover perspective view of the permanent-magnetism linear motor of Fig. 1.
Fig. 3 is the stator perspective view of the permanent-magnetism linear motor of Fig. 1.
Fig. 4 is the axial sectional structure schematic diagram of this utility model embodiment two permanent-magnetism linear motor.
Fig. 5 is the radial direction sectional structure schematic diagram of this utility model embodiment two permanent-magnetism linear motor.
Detailed description of the invention
Below with reference to specific embodiments and the drawings, this utility model is described in detail.
Refer to Fig. 1, the permanent-magnetism linear motor of this utility model embodiment one is shown, it includes stator 10 and mover 20, described mover 20 is permanent magnet radiation ring mover 20, described gyration 20 includes power transmission shaft 21 and is loaded on the annular permanent magnets of power transmission shaft 21, described annular permanent magnets is divided into two or more permanent magnet radiation ring 22 in the axial direction, multiple permanent magnet radiation rings 22 axially arrange, in figure as a example by two, being respectively permanent magnet radiation ring 22a, 22b, the i.e. permanent-magnetism linear motor of the present embodiment one is dual ring permanent radiant body one stator of collocation.
Each permanent magnet radiation ring 22 is one-body molded and the permanent magnetism closed loop that magnetizes via radiation, the magnetic polarity of adjacent two permanent magnet radiation ring 22 the same sides is different, described stator 10 includes the silicon steel outer shroud 11 by multilamellar stalloy overlap and the multiple interior stalloy 16 extended by silicon steel outer shroud 11 inner surface radial direction, being wound with coil windings 13 on each interior stalloy 16, coil windings 13 winding direction on multiple interior stalloys 16 is identical and is coiled into successively by a coil.Specifically, permanent magnetism closed-loop structure is by permanent magnetic material agglomeration or to be molded and use radiation to magnetize.
As depicted in figs. 1 and 2, being provided with magnetism-isolating loop 23, have spacer ring 24 between adjacent two permanent magnet radiation rings 22 inside annular permanent magnets, described spacer ring 24 is the bulge loop integrally extended by magnetism-isolating loop 23 outer surface.Magnetism-isolating loop 23 is installed on power transmission shaft 21 by connecting shaft support 25, and described connecting shaft support 25 includes the multiple support plates 251 being connected between power transmission shaft 21 and magnetism-isolating loop 23 arrange radially.The magnetic polarity of two permanent magnet radiation ring 22 the same sides is contrary, and such as, the outside of permanent magnet radiation ring 22a is S pole, and inner side is N pole, and now, the outside of permanent magnet radiation ring 22b is N pole, and inner side is S pole.Certainly, in other embodiments, three or more permanent magnet radiation ring 22a or 22b can be used, axially it is arranged side by side, be the equal of to be serially connected on power transmission shaft 21, the axial width of permanent magnet radiation ring 22a, 22b could be arranged to reduced size, so can increase magnetic power significantly, strengthens electric efficiency and compression horsepower.Further, the magnetic line of force direction of each permanent magnet radiation ring 22 is centripetal or radial, and the magnetic line of force of each permanent magnet radiation ring 22 is through the axle center of power transmission shaft 21.
As shown in figs. 1 and 3, in stator 10, silicon steel outer shroud 11 is closed-loop structure, and multiple interior stalloys 16 and silicon steel outer shroud 11 are formed in one structure.Further, the end of each interior stalloy 16 has silicon steel teeth portion 15, adjacent two interior stalloys 16 and respective silicon steel teeth portion 15 constitute the cavity 18 housing coil windings 13 with silicon steel outer shroud 11 inner surface, each silicon steel teeth portion 15 is curved, and multiple arc silicon steel teeth portion 15 are spaced and be looped around on same circumference or constitute the internal ring coaxial with silicon steel outer shroud 11 time multiple arc silicon steel teeth portion 15 is connected.
Further, on each interior stalloy 16 coil be near silicon steel outer shroud 11 side or be proximate to silicon steel teeth portion 15 position start be wound around, in each, the winding direction of the coil windings 13 on stalloy 16 is identical, and each the coil windings 13 trend on interior stalloy 16 is consistent.So, the magnetic line of force that stator 10 just can form direction consistent (being all radial radiation shape), be evenly distributed.Additionally, as shown in figs. 1 and 3, the silicon steel outer shroud 11 of described stator 10 has through hole or screw 17, run through through hole or screw 17 by securing member 171 and stator 10 is fixed on a motor housing 19.Specifically, coil windings 13 is to use a coil to be wound around on each interior stalloy 16 successively, first after an interior stalloy 16 winds coil 13, it is wound around adjacent next interior stalloy 16 followed by by the remaining part of this coil, so it is wound around successively, until each interior stalloy 16 is wound around out required coil windings 13 with this line.So it is wound around and is avoided that magnetic loss, save material, improve magnetic power.
Further, the quantity of described interior stalloy 16 is preferably 6 or 8 or more even number, and multiple arc silicon steel teeth portion 15 shape sizes are identical, and the radian of each arc silicon steel teeth portion 15 is 2 π/n, and n is the quantity of interior stalloy 16.
As it is shown in figure 1, this utility model embodiment also provides for a kind of soft cavity compressor 100, it includes permanent-magnetism linear motor and is loaded on the compression chamber 110 at permanent-magnetism linear motor two ends, and described permanent-magnetism linear motor is permanent-magnetism linear motor as above.Preferably, described compression chamber 110 is the flexible concertina chamber of power transmission shaft 21 end being arranged on permanent-magnetism linear motor, and described flexible concertina chamber is connected with power transmission shaft 21.Further, described soft cavity compressor 100 has shell 19, it it is i.e. the shell 19 of motor, a fixed platen 14 it is close between described shell 19 and the interior stalloy 16 of stator 10, each fixed platen 14 has the through hole allowing power transmission shaft 21 pass, each flexible concertina chamber 110 is bulge loop structure 112 with the junction, end of power transmission shaft 21, one power assistant spring 114 of sandwiched between described bulge loop structure 112 and fixed platen 14.A bearing 113 it is cased with between through hole hole wall and power transmission shaft 21.
Flexible concertina chamber 110 is to be fabricated from a flexible material, and is similar to the bellows chamber of flexible expandable, and the outer end in flexible concertina chamber 110 has intake valve 110a and air outlet valve 110b.Shell is just being provided with inlet channel 118 and outlet passageway 119 to intake valve 110a and the air outlet valve 110b position in flexible concertina chamber 110, inlet channel 118 and outlet passageway 119 are slightly transferred, avoid dust, foreign material to be directly sucked in or fall at intake valve 110a and air outlet valve 110b, there is certain protective action.Further, it is provided with damping spring 115 at the two ends of shell 19, to cut down the vibrations that compressor 100 produces.
When above-mentioned soft cavity compressor 100 works, first coil windings 13 passes to alternating current, stator 10 is made to be alternately produced the magnetic line of force that polarity is different, as a example by N, S polar contribution in Fig. 2, when the inner side of stator 10 is S polarity chron, mover 20 will be ordered about and (only illustrate with illustrated orientation) downwards mobile, i.e. the flexible concertina chamber 110 of lower section is pressured state, backs down air outlet valve 110b, confesses downwards compressed gas, the intake valve 110a in the flexible concertina chamber 110 above Tong Shi opens, and sucks gas.Then current transformation, the inner side of stator 10 is transformed to N polarity, is then promoted upward by mover 20, i.e. the flexible concertina chamber 110 of lower section is pressured state, backs down air outlet valve 110b, confesses compressed gas upward, the intake valve 110a in the flexible concertina chamber 110 below Tong Shi opens, and sucks gas.During work, mover 10 will move and so forth, it is achieved compressor function.
Referring to Figure 4 and 5, it is shown that the permanent-magnetism linear motor of this utility model embodiment two, it includes double layered stator 30 and mover 20, and described mover 20 is permanent magnet radiation ring mover 20.The permanent-magnetism linear motor structure of both examples above is essentially identical, difference is, embodiment one is to use double permanent magnet radiation ring one stator of collocation, and embodiment two is single permanent magnet radiation ring collocation double layered stator or bimorph transducer, and in two embodiments, identical structure does not repeats them here.Permanent magnet radiation ring mover 20 is single permanent magnet radiation ring, and this permanent magnet radiation ring is also by permanent magnet material one sintering or the permanent magnetism closed-loop structure of integrated injection molding.The coil windings sense of current on double layered stator 30 is different, so that the induced field that double layered stator 30 forms two poles reversal produces straight reciprocating motion with driving permanent magnet radiation ring mover 20, is provided with magnetism-isolating loop 23 inside described permanent magnet radiation ring 20.The single permanent magnet radiation ring of the present embodiment is similar to that permanent magnet radiation ring 22a or 22b in embodiment one, does not repeats them here.
The structure of double layered stator 30, material is essentially identical with the structure and material of the stator 10 in embodiment one, stator 30 also has silicon steel outer shroud 31, difference is, stator 30 is axially divided into stalloy 32 in two-layer, in every layer, stalloy 32 has multiple interior stalloy 32, in two-layer, stalloy 32 can be coiled into successively by a copper cash, but winding direction is different, be equivalent to the sense of current different, form the induced field of two poles reversal, can also be that stalloy 32 is respectively coiled into successively by a copper cash in two-layer, direction can be identical, simply pass to different directions electric current, i.e. form the induced field of two poles reversal.
Similarly, by the permanent-magnetism linear motor of the permanent-magnetism linear motor alternate embodiment one of embodiment two, connecting flexible concertina chamber 110, the flexible compression machine of the another kind of version of same composition, operation principle is identical, does not repeats them here.
Therefore, above-mentioned permanent-magnetism linear motor uses integrated permanent magnet radiation ring mover 20, and structure is compacter, the most ingenious, easy to make, and save time material-saving, energy-conserving and environment-protective.Further, permanent magnet radiation ring is by permanent magnetic material agglomeration or to be molded and use the permanent magnetism closed loop that magnetizes of radiation, not splicing, easy to make, save material, and avoid in prior art because of the leakage field using splicing permanent magnet to occur and reverse magnetism, improve magnetic utilization rate, improve power and the efficiency of motor.In motor stator 10 structure, coil winding direction on multiple interior stalloys 16 is identical and is coiled into by a coil, and for be wound around successively, the coil of two adjacent interior stalloys 16 is independent of each other, the most do not overlap, the magnetic line of force produced the most is not interfered or overlapping, improves magnetic utilization rate, improves the power of magneto.And the magnetic line of force is evenly distributed in the coil windings 13 of above-mentioned permanent-magnetism linear motor stator 10, synergism is strong, can give full play to respective magnetic action, make power of motor obtain significantly more efficient lifting.Further, combined the interior stalloy coil windings 13 of specific canoe, both synergism by permanent magnet radiation ring 22a, 22b of closed-loop structure, cooperate, more effectively play magnetic utilization rate, increase magnetic power, lifting motor efficiency.
It should be noted that; this utility model is not limited to above-mentioned embodiment; according to creative spirit of the present utility model; those skilled in the art can also make other changes; these changes done according to creative spirit of the present utility model, all should be included in this utility model claimed within the scope of.
Claims (10)
1. a permanent-magnetism linear motor, it includes stator and mover, it is characterized in that, described mover is permanent magnet radiation ring mover, described gyration attached bag includes power transmission shaft and is loaded on the annular permanent magnets of power transmission shaft, described annular permanent magnets is one-body molded and the permanent magnetism closed loop that magnetizes via radiation, described stator includes the silicon steel outer shroud by multilamellar stalloy overlap and the multiple interior stalloy extended by silicon steel outer shroud inner surface radial direction, being wound with coil windings on each interior stalloy, the coil windings on the multiple interior stalloy of each stator is coiled into successively by a copper cash.
2. permanent-magnetism linear motor as claimed in claim 1, it is characterized in that, described annular permanent magnets is divided into two or more permanent magnet radiation ring in the axial direction, each permanent magnet radiation ring is one-body molded and the permanent magnetism closed loop that magnetizes via radiation, the magnetic polarity of adjacent two permanent magnet radiation ring the same sides is different, it is provided with magnetism-isolating loop inside described annular permanent magnets, between adjacent two permanent magnet radiation rings, there is spacer ring.
3. permanent-magnetism linear motor as claimed in claim 2, it is characterized in that, described annular permanent magnets is a permanent magnet radiation ring, described stator is double layered stator, the induced field that the coil windings sense of current on described double layered stator is different and makes double layered stator form two poles reversal, to drive permanent magnet radiation ring mover to produce straight reciprocating motion, is provided with magnetism-isolating loop inside described permanent magnet radiation ring.
4. permanent-magnetism linear motor as claimed in claim 2 or claim 3, it is characterized in that, described magnetism-isolating loop is installed on power transmission shaft by connecting shaft support, described connecting shaft support includes the multiple support plates being connected to arrange radially between power transmission shaft and magnetism-isolating loop, described silicon steel outer shroud is closed-loop structure, and the plurality of interior stalloy and silicon steel outer shroud are formed in one structure.
5. the permanent-magnetism linear motor as described in any one of claim 1-3, it is characterized in that, the end of each interior stalloy has silicon steel teeth portion, adjacent two interior stalloys and respective silicon steel teeth portion ring inner surface outer with silicon steel constitute the cavity housing coil windings, each silicon steel teeth portion is curved, and multiple arc silicon steel teeth portion are spaced and be looped around on same circumference or constitute the internal ring coaxial with silicon steel outer shroud time multiple arc silicon steel teeth portion is connected.
6. permanent-magnetism linear motor as claimed in claim 5, it is characterized in that, on each interior stalloy coil be near silicon steel outer shroud side or be proximate to silicon steel teeth portion position start be wound around, in each, the winding direction of the coil windings on stalloy is identical, and each coil windings trend on interior stalloy is consistent.
7. the permanent-magnetism linear motor as described in any one of claim 1-3, it is characterised in that the magnetic line of force direction of each permanent magnet radiation ring is centripetal or radial, and the magnetic line of force of each permanent magnet radiation ring is through the axle center of power transmission shaft.
8. a soft cavity compressor, it includes permanent-magnetism linear motor and is loaded on the compression chamber at permanent-magnetism linear motor two ends, it is characterised in that described permanent-magnetism linear motor is the permanent-magnetism linear motor as described in any one of claim 1-7.
Soft cavity compressor the most as claimed in claim 8, it is characterised in that described compression chamber is the flexible concertina chamber of the end part of driving shaft being arranged on permanent-magnetism linear motor, described flexible concertina chamber is connected with power transmission shaft.
Soft cavity compressor the most as claimed in claim 8, it is characterized in that, described soft cavity compressor has shell, a fixed platen it is close between described shell and the interior stalloy of stator, each fixed platen has the through hole allowing power transmission shaft pass, each flexible concertina chamber is bulge loop structure with the junction, end of power transmission shaft, one power assistant spring of sandwiched between described bulge loop structure and fixed platen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216758.3U CN205430024U (en) | 2016-03-21 | 2016-03-21 | Hardness testing device and gentle chamber compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620216758.3U CN205430024U (en) | 2016-03-21 | 2016-03-21 | Hardness testing device and gentle chamber compressor |
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| CN205430024U true CN205430024U (en) | 2016-08-03 |
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| CN201620216758.3U Active CN205430024U (en) | 2016-03-21 | 2016-03-21 | Hardness testing device and gentle chamber compressor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680664A (en) * | 2016-03-21 | 2016-06-15 | 深圳市兆业电子科技有限公司 | Permanent-magnet linear motor and flexible-cavity compressor |
| CN106374714A (en) * | 2016-11-02 | 2017-02-01 | 深圳市兆业电子科技有限公司 | Permanent magnet linear motor |
| WO2018082507A1 (en) * | 2016-11-02 | 2018-05-11 | 深圳市华一传动技术有限公司 | Permanent magnet linear motor and linear vibrator |
| CN110701020A (en) * | 2019-09-23 | 2020-01-17 | 连伟 | High-efficiency energy-saving reciprocating permanent magnet linear compressor |
-
2016
- 2016-03-21 CN CN201620216758.3U patent/CN205430024U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680664A (en) * | 2016-03-21 | 2016-06-15 | 深圳市兆业电子科技有限公司 | Permanent-magnet linear motor and flexible-cavity compressor |
| CN106374714A (en) * | 2016-11-02 | 2017-02-01 | 深圳市兆业电子科技有限公司 | Permanent magnet linear motor |
| WO2018082507A1 (en) * | 2016-11-02 | 2018-05-11 | 深圳市华一传动技术有限公司 | Permanent magnet linear motor and linear vibrator |
| US10855155B2 (en) | 2016-11-02 | 2020-12-01 | Shenzhen Huayi Transmission Technology Co., Ltd. | Permanent magnet linear motor and linear vibrator |
| CN110701020A (en) * | 2019-09-23 | 2020-01-17 | 连伟 | High-efficiency energy-saving reciprocating permanent magnet linear compressor |
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Address after: 3, building 518000, building 3, Li Lang community science park, South Bay Street, Longgang District, Guangdong,, Shenzhen Patentee after: Shenzhen Huayi Transmission Technology Co. Ltd Address before: 3, building 518000, building 3, Li Lang community science park, South Bay Street, Longgang District, Guangdong,, Shenzhen Patentee before: SHENZHAO ZHAOYE ELECTRONIC TECHNOLOGY CO., LTD. |
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