CN201174355Y - Electric magnet for distributor of refrigerator - Google Patents
Electric magnet for distributor of refrigerator Download PDFInfo
- Publication number
- CN201174355Y CN201174355Y CNU2008200795526U CN200820079552U CN201174355Y CN 201174355 Y CN201174355 Y CN 201174355Y CN U2008200795526 U CNU2008200795526 U CN U2008200795526U CN 200820079552 U CN200820079552 U CN 200820079552U CN 201174355 Y CN201174355 Y CN 201174355Y
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- electromagnet
- refrigerator
- coil
- dispenser
- iron core
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- Expired - Lifetime
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Abstract
The utility model provides a simple refrigerator distributor electromagnet for refrigerating equipment, comprising an electromagnetic field generating device with a slideway, a movable iron core and a magnetic conductive block, wherein the movable core is arranged in the slideway of the electromagnetic field coil generating device as a pull rod; the magnetic conductive block is arranged on the lower part of the electromagnetic field generating device; the movable core is better to be a cylindrical movable iron core; and the upper part of the movable iron core is provided with a through hole for connection with an external part. Therefore, when connected with the external part through the through hole on the movable iron core, the movable core can be used as the pull rod for drawing the external part. Moreover, the magnetic conductive block is added to the electromagnet, thereby the retentivity for pick-up the movable iron core is improved.
Description
Technical field
The utility model relates to the electromagnet that a kind of refrigerating plant uses, particularly a kind of dispenser for refrigerator electromagnet.
Background technology
Usually as the actuated components of refrigeration plant, following patent documentation discloses some application relevant with it to the dispenser for refrigerator electromagnet.
Chinese patent literature CN2669619Y provides a kind of Automatic discharging device of ice cream machines, and it utilizes the magnetic force of electromagnet and permanent magnet to realize the open and close action of shaped valve.Wherein, the top of each bleeder valve of valve body is a permanent magnet, and valve plug lid is protected it on the outer cup, each bleeder valve of valve body beyond the Great Wall portion settle an electromagnet respectively in one segment distance place, the electromagnet two ends connect positive-negative power respectively; All valve bodies can get up to keep attractive in appearance with a box cover.
The device normality is in closed condition, in the time of the needs discharging, connects the power supply of corresponding magnet spool, makes the electromagnet lower end opposite with the bleeder valve upper magnetic, and the magnet heteropole is inhaled mutually, and valve plug moves upward under the effect of magnetic force, and shaped valve is opened; When discharging finishes, change the current of electromagnet direction, the magnetic pole of electromagnet changes, the relative very homopolarity of the magnet in electromagnet and the valve plug, and under the repulsive force effect of magnet, valve plug moves downward, and valve body is closed.By controlling ice-cream pouring time the blanking time that changes the variation of current of electromagnet direction.
Chinese patent literature CN200946955Y provides a kind of ice machine that unified outlet rounds ice, trash ice and frozen water mechanism automatically that has, wherein corresponding with casing ice mouth mounting cup installed inside has half circular-arc dodge gate, this dodge gate top is being connected mounting cup by rotating shaft with spring, it is corresponding that its semicircle cambered surface and trash ice ledger-plate are the obvolvent shape, its semicircle cambered surface lateral surface is vertically connecting pull bar, and the other end of pull bar extends the mounting cup outside and connecting electromagnet.When needs went out to put in order ice, electromagnet pulling dodge gate was opened, and the ice cube that directive wheel is sent into directly falls from dodge gate.
Traditional electromagnet mainly is made up of coil, iron core and armature three parts, and iron core and armature are generally made with soft magnetic material.Iron core generally is static, and coil always is contained on the iron core.Spring also is housed, the basic functional principle of electromagnet on the electromagnet armature of device for switching: behind coil electricity, iron core and armature are magnetized, and become opposite polarity two blocks of magnet, produce electromagnetic attraction between them.When suction during greater than the reaction force of spring, armature begins to move towards the iron core direction.When the electric current in the coil during less than certain certain value or interruption of power supply, electromagnetic attraction is less than the reaction force of spring, and armature will return original off-position under the effect of reaction force.
Chinese patent literature CN1971799A discloses a kind of release electromagnet device that serves as actuated components in similar device for switching such as circuit breaker or control and protection switch circuit.As shown in Figure 8, this electromagnet tripping device comprises at least one permanent magnet 811, is loaded on the tripping coil 812, is used for keeping suction when no power, overcomes the power that spring produces, and makes release electromagnet device be in the attracted position; An iron core 813 is wound with enamelled wire on the iron core, form a tripping coil 812, generates an electromagnetic field during energising, offsets permanent magnet magnetic force, and armature is discharged; An armature 815 is equipped with a push rod 817 on the armature, be used to back down operating mechanism circuit is disconnected; The housing 814 of a column construction wherein is equipped with parts such as iron core, permanent magnet, tripping coil, armature; One with the suitable lid 810 of the column construction of housing; Have breach and flange on the housing 814, be meshed with the ledge and the recessed edge that cover on 810.During assembling, will cover ledge 810b on 810 earlier and aim at breach on the housing 814, turning clockwise then is meshed with flange on the housing until the recessed edge that covers, and can tighten and fix each parts.Connect a push rod 817 on the armature, spring 816 is housed between push rod and housing, push rod acts on operating mechanism one release lever when main circuit is short-circuited electric current by the quick open circuit of release electromagnet device, and its breaking capacity can be 50kA.
Chinese patent literature CN2577419Y has disclosed a kind of opening solenoid electromagnet; this electromagnet does not have blind end, and its armature (or moving iron core) is placed in the mesopore of magnetic plug, because magnetic circuit can not seal; so leakage field is many, its magnetic force protective capability is relatively poor when the armature adhesive.
Although electromagnet has been widely used in the automatic extraction of the ice cream, ice cube etc. of refrigeration plant as actuated components, up to the present, the inventor of present patent application does not also find to be exclusively used in the electromagnet of refrigeration plant so far.Therefore be starved of the electromagnet that exploitation is exclusively used in refrigeration plant at present.
Summary of the invention
The purpose of this utility model provides a kind of dispenser for refrigerator electromagnet rational in infrastructure that is exclusively used in refrigeration plant.
The dispenser for refrigerator electromagnet of the present utility model of realizing above-mentioned purpose comprises:
Electromagnetic field generating device with slideway;
Pack into the moving iron core that serves as pull bar in the described electromagnetic field coil generating apparatus slideway; And
Be installed in the magnetic inductive block of electromagnetic field generating device bottom.
The utility model increases the confining force of the moving iron core of adhesive by above-mentioned magnetic inductive block, thereby has solved the relatively poor problem of its magnetic force hold facility when armature (or moving iron core) adhesive of opening solenoid electromagnet.
Above-mentioned magnetic inductive block is a cylinder, and its external diameter is less than the internal diameter of coil rack cylinder cavity, and this magnetic inductive block bottom has one and realizes the boss of joggle with the circular hole of support base plate.
In order to make the utility model can also become alternating electromagnet, the utility model can be provided with a divided magnetic ring, and in the case, the top of described magnetic inductive block must have an annular groove, so that this divided magnetic ring is placed on wherein.
Above-mentioned slip iron core is a column type slip iron core, and its top has a through hole that connects external component.
Wherein, described moving iron core is preferably barred core, and its top has a through hole that connects external component.Like this, when moving iron core utilized through hole on it to connect external component, moving iron core just can serve as the actuated components that draws external component, i.e. pull bar.
Above-mentioned electromagnetic field generating device is a solenoid coil, comprising: the center is that cylinder, two ends are the coil rack of baffle plate; And the coil that constitutes by aluminium enamel-covered wire on described coil rack or copper-in-aluminum enameled wire.
Wherein, on the coil rack baffle plate, fixedly be used for inserting the inserted sheet of power supply, and this inserted sheet connects the binding post that has twined lead-out wires of coil.
Because coil of the present utility model by aluminium enamel-covered wire or copper-in-aluminum enameled wire coiling, therefore with respect to traditional coil by the coiling of copper enamelled wire, can significantly reduce manufacturing cost.In addition,, be about to aluminium enamel-covered wire and be wrapped on this binding post, thereby solved the problem that connects the aluminium enamel-covered wire difficulty because the binding post that the utility model utilization is connected with inserted sheet connects aluminium enamel-covered wire.
Simultaneously, under atmospheric environment oxidative phenomena taking place for fear of aluminium enamel-covered wire, is coated with insulant on the binding post of winding around lead-out wire on described solenoid coil and its.Described insulant can be plastics or epoxy resin.Completely cut off getting in touch of aluminium enamel-covered wire and lead-out wire thereof and atmosphere like this, thereby can avoid the oxidative phenomena of aluminium enamel-covered wire
The utility model also comprises support and connecting plate, wherein:
Connecting plate is a flat board with through hole, and its edge has and is used for the recessed edge or the flange of joggle;
Two side plates that support has a base plate and links together with it, described base plate has circular hole, and described two side plates have and are used for the recessed edge of joggle connecting plate or the flange or the recessed edge of flange respectively.
Above-mentioned connecting plate and support use permeability magnetic material to make, thereby except being used for fixing electromagnetic field generating device, have also played the effect of the iron core of electromagnet.
The utility model has the advantages that:
1, increased the confining force of the moving iron core of electromagnetic actuation by magnetic inductive block.
2, will move iron core as the actuated components of electromagnet, thus make this electromagnet structure more rationally, be more suitable for refrigerator and use;
3, substitute the used copper enamelled wire of traditional magnet spool with aluminium enamel-covered wire, thereby reduce manufacturing cost greatly;
4, package aluminium enamel-covered wire coil and lead-out wires of coil thereof, thus useful life of aluminium enamel-covered wire prolonged greatly.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Fig. 1 is the cutaway view of electromagnet of the present utility model;
Fig. 2 is the stereogram of electromagnet of the present utility model;
Fig. 3 is the schematic diagram of magnet spool skeleton of the present utility model;
Fig. 4 is the schematic diagram of the electromagnetic field generating device of electromagnet of the present utility model;
Fig. 5 is the schematic diagram behind the electromagnetic field generating device plastic packaging shown in Figure 4;
Fig. 6 shows the coil of plastic packaging electromagnetic field generating device of the present utility model and the schematic diagram of lead-out wires of coil;
Fig. 7 is the exploded view of electromagnet of the present utility model;
Fig. 8 is a kind of electromagnet schematic diagram of prior art.
Embodiment
Actuated components described in the utility model comprises push rod, pull bar, but for convenience, only is example in the following description with the pull bar, in addition, and the related end of specification, top, side, upper and lower all corresponding to the diagram of accompanying drawing.
As Fig. 1, Fig. 2 and shown in Figure 7, dispenser for refrigerator electromagnet of the present utility model comprises: the electromagnetic field generating device 2 with slideway; Be installed in the magnetic inductive block 9 of electromagnetic field generating device 2 bottoms; And the moving iron core 6 that serves as pull bar in described electromagnetic field generating device 2 slideways of packing into.
With respect to traditional opening solenoid electromagnet, the utility model increases the confining force of the moving iron core of adhesive by above-mentioned magnetic inductive block, thereby has solved traditional opening solenoid electromagnet relatively poor problem of its magnetic force hold facility when armature (or moving iron core) adhesive.
Described moving iron core 6 is preferably barred core, and its upper end has a through hole that connects external component.Like this, when moving iron core utilized through hole on it to connect external component, moving iron core just can serve as the actuated components that draws external component, i.e. pull bar.
In said structure, moving iron core 6 can slide up and down in the slideway of electromagnetic field generating device 2, thereby moving iron core 6 can be drawn close until contact to magnetic inductive block 9 under electromagnetic field effect, thereby the pull bar that can serve as force application part, rather than as above-mentioned prior art, force application part such as push rod need be set specially, thereby simplify the structure, reduce manufacturing cost.
In said structure, electromagnetic field generating device 2 is solenoid coils.This solenoid coil comprises: the center is that cylinder, two ends are the coil rack 4 of baffle plate; And the coil 3 that constitutes by aluminium enamel-covered wire on described coil rack 4 or copper-in-aluminum enameled wire.When electric current flow through coil 3, coil 3 acted on generation in the electromagnetic field of moving iron core 6.
Fig. 3 has shown the structure of coil rack of the present utility model, and as shown in the figure, coil rack 4 centers are cylinder, and two ends are baffle plate up and down, and have fixed two inserted sheets 7 on a baffle plate.Connect a binding post on each inserted sheet 7 respectively.
Fig. 4 has shown the structure of above-mentioned solenoid coil, need to prove, when being connected to lead-out wires of coil 10 on the binding post, at first lead-out wires of coil 10 is wound on the binding post, and then carries out soldering with scolder.
Because the utility model utilizes the aluminium enamel-covered wire coiling,, greatly reduce manufacturing cost therefore with respect to traditional copper enamelled wire coil.
Since aluminium enamel-covered wire oxidation under atmospheric environment easily, the seal approach that the utility model is taked aluminium enamel-covered wire, and promptly as shown in Figure 5, package solenoid coil 3 and lead-out wires of coil 10 thereof are isolated from the outside coil and lead-out wire.Lead-out wires of coil 10 is on the binding post that is fixed on coil rack 4 baffle plates, and this binding post is electrically connected with the inserted sheet 7 that is used for inserting power supply.
Fig. 6 has shown the situation of package solenoid coil 3 and pigtail splice.As shown in Figure 6, with plastics or epoxy resin 11 package coils 3 and the binding post that twined lead-out wires of coil 10, thereby making electromagnetic field generating device 2 become the package coil, below is example with the plastic packaging coil.
Obviously, be under the situation of cylinder at the center of coil rack 4, realize that the slideway that moving iron core 6 slides is the cylinder cavity of coil rack 4.
Electromagnet of the present utility model also comprises support 5 and connecting plate 1.Connecting plate 1 is a flat board with through hole, and its edge has and is used for the recessed edge or the flange of joggle.Support 5 can be the type of falling a ∏ support, and two side plates that have a base plate and link together with it, these two side plates have and are used for the recessed edge of joggle connecting plate 1 or the flange or the recessed edge of flange respectively.Behind connecting plate 1 and support 5 joggles, connecting plate 1 can be considered as the top board of support 5.
Connecting plate 1 of the present utility model and support 5 use permeability magnetic material to make, thereby except being used for fixing electromagnetic field generating device, have also played the iron core effect of general electromagnet.
Can see that from Fig. 7 magnetic inductive block 9 of the present utility model is cylinders, its external diameter is less than the internal diameter of coil rack 4 cylinder cavities, and this cylindrical bottom has the boss of connection support 5 base plates, and its top has an annular groove of placing divided magnetic ring 8.
Need to prove that the purpose that increases divided magnetic ring 8 is to make electromagnet of the present utility model can become alternating electromagnet.This be because, the alternating current of 50Hz, electric current have zero crossing 100 times, this moment, the suction of electromagnet was zero, was in release condition.The zero passage after-current rises again, and to certain value, suction recovers, electromagnetic actuation.Electric current recovers again after zero again, and electromagnet one suction one is put, and has just become electric bell.In order to address this problem the divided magnetic ring of embedding one copper (namagnetic substance) (claiming short-circuited conducting sleeve again) on the pole-face of alternating electromagnet.After embedding divided magnetic ring, pole-face unshakable in one's determination is with regard to separated into two parts, a part is surrounded by divided magnetic ring, a part is not surrounded, and during energising, the magnetic flux Φ 1 that surrounds pole-face by divided magnetic ring lags behind 2 one angles of not besieged pole-face magnetic flux Φ, the suction F1 of their each self-formings is different with F2, F1 and F2 make a concerted effort---and total suction of pole-face unshakable in one's determination, can not equal zero when current over-zero, but periodically change between a certain maximum and minimum value.As long as accomplish the reaction force of minimum suction, just can eliminate shake (vibration) unshakable in one's determination greater than spring.
Fig. 1 and Fig. 7 have shown assembling situation of the present utility model.At first the boss with magnetic inductive block 9 embeds in the circular hole of support 5 base plates; Cylinder cavity with the coil rack of plastic packaging coil is enclosed within on the magnetic inductive block 9 then; Then place connecting plate 1 from the top down, utilize the recessed edge of connecting plate 1 and support 5 and flange to realize joggle, thereby plastic packaging coil 2 is fixed in the support; To move iron core 6 at last inserts the cylinder cavity of coil rack 4 of plastic packaging coil 2 from the through hole of connecting plate 1.
Operation principle of the present utility model is: the preceding moving iron core 6 of work is connected with external component and is in position shown in the solid line (being the position shown in the mark A among Fig. 1 and Fig. 2) under external force, and coil 3 is connected with power supply by inserted sheet 7.After coil 3 energisings, generate an electromagnetic field, moving iron core 6 is drawn close until contact (being position shown in the mark B among Fig. 1 and Fig. 2) to magnetic inductive block 9 under the effect of electromagnetic field.External component is realized desired function by the action of moving iron core 6.After coil 6 power supplys disconnect, magnetic field diminishes, moving iron core 6 returns to initial condition under external force.
The utlity model has following advantage:
1, increased the confining force of the moving iron core of electromagnetic actuation by magnetic inductive block.
2, will move iron core as the actuated components of electromagnet, thus make this electromagnet structure more rationally, be more suitable for refrigerator and use;
3, substitute the used copper enamelled wire of traditional magnet spool with aluminium enamel-covered wire, thereby reduce manufacturing cost greatly;
4, package aluminium enamel-covered wire coil and lead-out wires of coil thereof, thus useful life of aluminium enamel-covered wire prolonged greatly.
Although above the utility model is had been described in detail, the utility model is not limited thereto, and those skilled in the art of the present technique can carry out various modifications according to principle of the present utility model.Therefore, all modifications of being done according to the utility model principle all should be understood to fall into protection range of the present utility model.
Claims (10)
1, a kind of dispenser for refrigerator electromagnet is characterized in that comprising:
Electromagnetic field generating device (2) with slideway;
The slip iron core (6) that serves as pull bar in the described electromagnetic field generating device of packing into (2) slideway; And
Be installed in the magnetic inductive block (9) of electromagnetic field generating device (2) bottom.
2, dispenser for refrigerator electromagnet according to claim 1, it is characterized in that, described magnetic inductive block (9) is a cylinder, and its external diameter is less than the internal diameter of coil rack (4) cylinder cavity, and this magnetic inductive block (9) bottom has one and realizes the boss of joggle with the circular hole of support (5) base plate.
3, dispenser for refrigerator electromagnet according to claim 2 is characterized in that, the top of described magnetic inductive block (9) has an annular groove.
4, dispenser for refrigerator electromagnet according to claim 3 is characterized in that also comprising a divided magnetic ring (8), and this divided magnetic ring (8) is placed in the described annular groove.
According to claim 2 or 4 described dispenser for refrigerator electromagnet, it is characterized in that 5, described slip iron core (6) is a column type slip iron core, its top has a through hole that connects external component.
6, according to claim 2 or 4 described dispenser for refrigerator electromagnet, it is characterized in that described electromagnetic field generating device (2) is a solenoid coil, comprising: the center is that cylinder, two ends are the coil rack (4) of baffle plate; And the coil (3) that constitutes by the aluminium enamel-covered wire on described coil rack (4) or copper-in-aluminum enameled wire.
7, dispenser for refrigerator electromagnet according to claim 6 is characterized in that, fixedly is used for inserting the inserted sheet (7) of power supply on coil rack (4) baffle plate, and the binding post of lead-out wires of coil (10) has been twined in this inserted sheet (7) connection.
8, dispenser for refrigerator electromagnet according to claim 7 is characterized in that, solenoid coil (3) and on it binding post of winding around lead-out wire (10) be coated with insulant.
9, dispenser for refrigerator electromagnet according to claim 8 is characterized in that, described insulant is plastics or epoxy resin.
10, according to claim 2 or 4 described dispenser for refrigerator electromagnet, it is characterized in that also comprising support (5) and the connecting plate (1) made by permeability magnetic material, wherein:
Connecting plate (1) is a flat board with through hole, and its edge has and is used for the recessed edge or the flange of joggle;
Two side plates that support (5) has a base plate and links together with it, described base plate has circular hole, and described two side plates have and are used for the recessed edge of joggle connecting plate (1) or the flange or the recessed edge of flange respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200795526U CN201174355Y (en) | 2008-03-24 | 2008-03-24 | Electric magnet for distributor of refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200795526U CN201174355Y (en) | 2008-03-24 | 2008-03-24 | Electric magnet for distributor of refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201174355Y true CN201174355Y (en) | 2008-12-31 |
Family
ID=40201480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200795526U Expired - Lifetime CN201174355Y (en) | 2008-03-24 | 2008-03-24 | Electric magnet for distributor of refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201174355Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427999A (en) * | 2015-12-31 | 2016-03-23 | 东莞市金禄电子科技有限公司 | Closed self keeping electromagnet |
| WO2019136884A1 (en) * | 2018-01-11 | 2019-07-18 | 深圳市宗泰电机有限公司 | Ultra high speed electromagnet and components |
-
2008
- 2008-03-24 CN CNU2008200795526U patent/CN201174355Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105427999A (en) * | 2015-12-31 | 2016-03-23 | 东莞市金禄电子科技有限公司 | Closed self keeping electromagnet |
| CN105427999B (en) * | 2015-12-31 | 2019-04-19 | 广东金禄科技股份有限公司 | A kind of closed Self-retaining electromagnet |
| WO2019136884A1 (en) * | 2018-01-11 | 2019-07-18 | 深圳市宗泰电机有限公司 | Ultra high speed electromagnet and components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGMEN IDEAR HANYU ELECTRICAL JOINT-STOCK CO., L Free format text: FORMER NAME: JIANGMEN HANYU ELECTRIC APPLIANCE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: Jiangmen Idear-hanyu Electrical Joint-stock Co., Ltd. Address before: 529000, Dongfeng Industrial Zone, ring city, Guangdong, Jiangmen 1 Patentee before: Jiangmen Hanyu Electric Appliance Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20081231 |
|
| CX01 | Expiry of patent term |