CN101038809A - Electromagnetic coil - Google Patents
Electromagnetic coil Download PDFInfo
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- CN101038809A CN101038809A CN 200610049863 CN200610049863A CN101038809A CN 101038809 A CN101038809 A CN 101038809A CN 200610049863 CN200610049863 CN 200610049863 CN 200610049863 A CN200610049863 A CN 200610049863A CN 101038809 A CN101038809 A CN 101038809A
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- solenoid
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Abstract
An electromagnetic coil includes a winding core and a pair of jaw-like portions which are arrange at two ends of the winding core and are in parallel, thereby a winding portion of a winding is formed between the jaw-like portions, a lead is connected to the winding, the winding is envelopped by a synthetic resin which at least envelops the lead portion; the coil is characterised in that each jaw-like portion includes an arc-like portion and projecting portions extending from the arc-like portion to a side, wherein one projecting portion is provided with a positioning structure for positioning the lead. In the electromagnetic coil with this structure, when the lead is contacted with electrical members such as the winding and the like, movement of the lead when sealing the synthetic resin can be effectively prevented because the lead can be positioned by the positioning structure provided on the projecting portion, the winding and an inner end of the lead can be reliably sealed and fixed, and an electromagnetic coil with electrical members provided compactly can be obtained.
Description
Technical field
The present invention relates to be used for solenoid electric valve, the o of freeze cycle or be used for solenoid, the member that special relationship links to each other with coil and the placement of electric component of the four-way switching valve of freeze cycle.
Background technology
Be used for solenoid electric valve, the o of freeze cycle or be used for the solenoid of the four-way switching valve of freeze cycle, be with power conversions to be the operating state of magnetic force change over valve, and the conversion of the operating state of valve may be the change of extreme position, as the unlatching on MEDIA FLOW siphunculus road or close, also may be the maintenance degree of an operating state, as the size of MEDIA FLOW siphunculus road unlatching.
Common solenoid comprises around core and is arranged on a pair of blade of a sword shape portion that is parallel to each other around the core two ends, thereby between this is to blade of a sword shape portion, form the wound portion of winding, connect lead-in wire on the winding, the winding periphery seals synthetic resin and synthetic resin to the described lead portion of major general is sealed, fix so that be connected with power supply according to designing requirement thereby will go between in the outer end of actual where applicable lead-in wire, therefore, being fixed on when forming coil of lead-in wire is very crucial, yet when carrying out the sealing of synthetic resin, often because lack the location of lead-in wire produced the lead-in wire position move or angle on depart from, finally cause sealing the back lead-in wire and be not inconsistent designing requirement.For this reason, the patent documentation spy opens flat 9-106911 and discloses a kind of technical scheme that overcomes above-mentioned defective, it is to establish a down-lead bracket in addition in the outside of winding, on down-lead bracket, be formed with groove shape maintaining part parallel to each other, lead-in wire is insertion groove shape maintaining part respectively, keep to prevent when sealing synthetic resin because resin flows produces the moving of correct position of lead-in wire by this lead-in wire, not too can occur because the both ends of above-mentioned lead-in wire, the insulation distance of the leading section of lead-in wire etc. near and produce bad; The groove shape maintaining part of the split that this scheme proposes is used on the solenoid, and solenoid can produce problems such as also can occurring the material cost height when maximizing tendency.
In addition, multiple function for above-mentioned solenoid, when needs improve the function of solenoid, as series connection variable resistor device on winding, keep the low current conversion in stage to electromagnetically operated valve by the flow through high electric current of electric current from the electromagnetically operated valve startup stage of winding of this variable resistor device self characteristics Control Allocation.The solenoid of right existing structure comprises that the patent documentation spy opens flat 9-106911, has not both related to the setting of variable resistor device, does not also relate to and how could reasonably put the variable resistor device so that solenoid can play one's part to the full.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition is to overcome defectives such as electromagnetic coil structure that prior art exists is huge, and a kind of solenoid of compact conformation is provided, and gives full play to its function for solenoid structural assurance is provided.For this reason, the present invention takes following technical scheme:
Solenoid, comprise around core and be arranged on a pair of blade of a sword shape portion that is parallel to each other around the core two ends, thereby form the wound portion of winding between this is to blade of a sword shape portion, connects lead-in wire on the winding, the winding periphery seals synthetic resin and synthetic resin to the described lead portion of major general is sealed; It is characterized in that above-mentioned blade of a sword shape portion comprises arcus part and the protuberance that is extended to form to a side by arcus part, one of them protuberance is provided with the location structure that is used to locate described lead-in wire.The solenoid of this structure, when lead-in wire contacts with electric component such as winding, because the location structure that lead-in wire can be set on the protuberance is located, lead-in wire moves in the time of can effectively preventing the synthetic resin sealing, not only can seal reliably and fix, and can obtain electric component compact solenoid is set winding, lead-in wire the inner.
As the further of such scheme improved and replenish, the present invention also comprises following additional technical feature:
Described location structure is two through holes arranged side by side.Two through holes can carry out omnibearing location to lead-in wire, prevent that lead-in wire is to any deviation in driction.
Give full play to its function for solenoid structural assurance be provided, can also realize by following proposal:
Solenoid, comprise around core and be arranged on a pair of blade of a sword shape portion that is parallel to each other around the core two ends, thereby form the wound portion of winding between this is to blade of a sword shape portion, connects lead-in wire on the winding, the winding periphery seals synthetic resin and synthetic resin to the described lead portion of major general is sealed; It is characterized in that, also be connected with electric component on the described winding, above-mentioned blade of a sword shape portion comprises arcus part and the protuberance that is extended to form to a side by arcus part, and one of them protuberance is provided with the hollow portion that is used to put described electric component.The employed electric component of solenoid is fixed in the hollow portion, can place simply, so in the time of electric can the contact well of above-mentioned electric component and winding etc., can prevent moving of when sealing electric component by synthetic resin, implement sealing reliably, and the electric elements that contact with solenoid are accommodated in formation integral body in the hollow portion.
As the further of such scheme improved and replenish, the present invention also comprises following additional technical feature:
Described electric component is fixed resistance device or variable resistor device, as thermistor.By the synthetic resin positiver sealing, keep certain effective distance so can guarantee above-mentioned electric component and winding etc. between electric, therefore can obtain the solenoid that insulation property are improved.Because the variable resistor device adopts thermistor, so variations in temperature along with thermistor, size according to its resistance value, the current strength that is applied to solenoid can change, and therefore, the electromagnetic force of solenoid is under control, and, can realize certain coverage between thermistor and the winding etc., can not exert an influence to winding etc., can obtain a kind of good solenoid because of the heating of thermistor.The result, it is excessive that the employed electromagnetically operated valve of control that can prevent the cold medium flux of freeze cycle applies electric current, can prevent that electromagnetically operated valve from being burnt out, and, the electric power of required electric current when the cross valve that can reduce the refrigerant circulating direction that is used to switch freeze cycle reliably keeps with the drive actions of solenoid slide block and action.
This protuberance is provided with the location structure that is used to locate described lead-in wire, and described hollow portion is bucket-shaped, and its open end is to the wound portion of winding.Be beneficial to the structure miniaturization of solenoid.
Described hollow portion is made of the end face indent of described protuberance.Assembly process can be do not increased, integral body can be formed well, the solenoid that reduces cost.
The location structure of described lead-in wire is two through holes arranged side by side that are positioned at described hollow portion both sides.Be convenient to electric component connection and and winding, lead-in wire between keep rational distance.So the connection of electric component has obtained fixing reliably.And the fixing of electric component can be sealed well by synthetic resin on the solenoid.
The present invention is by directly being provided for locating the location structure of described lead-in wire on a protuberance, make when electric components such as lead-in wire and winding contact, because the location structure that lead-in wire can be set on the protuberance is located, lead-in wire moves in the time of can effectively preventing the synthetic resin sealing, not only can seal reliably and fix, and can obtain electric component compact solenoid is set winding, lead-in wire the inner; Or the hollow portion that on a protuberance, is provided for putting described electric component, the employed electric component of solenoid is fixed in the hollow portion, can place simply, so in the time of electric can the contact well of above-mentioned electric component and winding etc., can prevent moving of when sealing electric component by synthetic resin, implement sealing reliably, and the electric elements that contact with solenoid are accommodated in formation integral body in the hollow portion.
Description of drawings
Fig. 1: the skeleton structure schematic diagram of embodiment of the present invention solenoid;
Fig. 2: the state diagram of coiling winding on the skeleton shown in Figure 1;
Fig. 3: the schematic diagram of the employed electric component of solenoid (thermistor);
Fig. 4: the schematic diagram of the lead-in wire that is connected with winding;
Fig. 5: the structural representation that inserts Fig. 4 lead-in wire when placing the thermistor of Fig. 3 on Fig. 2 coil rack;
Fig. 6: the structural representation behind the winding outsourcing involution resin of structure shown in Figure 5;
Fig. 7: the structural representation of coil case;
Fig. 8: the overall structure schematic diagram of solenoid.
Fig. 9: the electrical connection schematic diagram that contains the solenoid of electronic component.
Below introduce the structure of the solenoid of the embodiments of the present invention that adopted Fig. 1～8.
Embodiment
Fig. 1 is the oblique view of the coil rack 1 of solenoid, this coil rack comprise hollow rounded cylindrical around core 2 and be fixed on a pair of blade of a sword shape 2a of portion, the 2b that are parallel to each other around core 2 two ends; Pass through the one-body molded formation of synthetic resin around core 1 with the blade of a sword shape 2a of portion, 2b, this forms as ejection formation and forms, resin material such as polybutene terephthalate, unsaturated polyester resin, phenolic resins etc.
The blade of a sword shape 2a of portion, 2b comprise arcus part 2a2,2b2 and the protuberance 2a1, the 2b1 that are extended to form to a side by arcus part.
Above-mentioned protuberance 2a1,2b1 have end face portion 2a3,2b3 respectively, on one side end face portion 2a3 central authorities be formed with wide 2a4, wide 2a4 is formed with the bucket shape low-lying area B of portion.
The above-mentioned bucket shape low-lying area B of portion has the peristome B1 of end face portion 2a3, and blade of a sword shape portion 2a inboard is formed with incision stage portion B2, and blade of a sword shape portion 2a outside is provided with outwards outstanding コ font convex wall B3.
And, being provided with the thermistor that uses as electric component in the B of portion of above-mentioned bucket shape low-lying area, the hollow B of portion is the placement section of electrical equipment portion product.
3a, 3b are respectively near the through hole of the above-mentioned hollow B of portion, and the lead-in wire that links to each other with winding 31,32 is inserted in through hole 3a, the 3b of wide 2a4 formation.
The winding 3 that Fig. 2 constitutes for coiling electric wire such as copper wire on the coil rack 1 of structure shown in Figure 1 is around the state diagram on core 2, and winding 3 is winding 31 as shown in the figure and winding 32 is in parallel or series connection constitutes winding.
Fig. 3 is the outside drawing of the electrical equipment portion product thermistor 4 that is connected with solenoid, and 41 and 42 is the terminal of thermistor 4.
Fig. 4 is the diagram of the lead-in wire 5 that is connected with winding 3, and 51 is heart line, and 52 for being its coating.
Fig. 5 is the structure chart that the coil rack 1 of Figure 1 and Figure 2 is installed the electric component thermistor, the above-mentioned bucket shape low-lying area B of portion uses as placement section among the figure, the thermistor 4 of Fig. 3 is accommodated in the hollow B of portion of Fig. 1 and Fig. 2, its terminal 41 and 42 and above-mentioned stage portion B2 join, be fixed on the structure of hollow portion, the lead-in wire 5 of through hole 3a and 3b place insertion simultaneously and support Fig. 4; That is, by electric component thermistor 4 is inserted into and is contained in inside from the bucket shape low-lying area B of portion peristome B1, the hollow B of portion just forms the placement section of the employed thermistor 4 of electric coil.At this moment, thermistor 4 is fixed by being placed on hollow portion, and move the position that easily produces in the time of can avoiding the synthetic resin plastic packaging, and thermistor 4 also can be assembled on the solenoid by reliable plastic packaging.So can realize the placement of electric component and the solenoid of compact conformation by the synthetic resin plastic packaging.And between thermistor 4 and the winding 31,32, guaranteeing has certain effective insulation distance.
In addition, above-mentioned hollow portion is as the placement section of electric component, because it is arranged on the end face portion 2a3 place that the blade of a sword shape 2a of portion goes up the protuberance 2a1 of a side that forms, the placement of thermistor is easy to the peristome B1 assembling from the hollow B of portion, simultaneously, in thermistor 4 was wrapped in by the hollow B of portion, thermistor 4 can be fixed and sealing well more firmly.
In addition, therefore the above-mentioned hollow B of portion can provide the assembly process that can not increase solenoid by moulding and the blade of a sword shape 2a of portion integrated setting, can not form expensive solenoid.
Sealing as the material in polyester resin as synthetic resin of above-mentioned synthetic resin comes ejection formation, in view of the above, can obtain periphery integral body shown in Figure 6 and seal coil 6 by what synthetic resin was sealed.The coil case 7 of similar コ font that shown in Figure 7 is wraps in outward on the resin-sealed coil 6 shown in Figure 6 as the support portion material, by limit screw setting not shown in the figures, thereby obtains solenoid shown in Figure 88.
71 for inserting the through hole that screw is used among Fig. 7.
In sum, by guaranteeing the i.e. distance between 32 of thermistor 4 and winding 31, thermistor 4 installs to solenoid 8, can not obtain good electrical magnetic coil 8 to the generation thermal impact of winding 31 and 32 substantially.
Therefore, solenoid 8 is by using electric component thermistor 4, can place bad that the super-high-current of the electromagnetically operated valve of the cold medium flux control that is used for freeze cycle produces, and, the size of current that is used for employed solenoid on the cross valve that refrigerant flow switches in the freeze cycle, the high current value change when switching is to switching the low current value of back when keeping.
Claims (9)
1, solenoid, comprise around core and be arranged on a pair of blade of a sword shape portion that is parallel to each other around the core two ends, thereby form the wound portion of winding between this is to blade of a sword shape portion, connects lead-in wire on the winding, the winding periphery seals synthetic resin and synthetic resin to the described lead portion of major general is sealed; It is characterized in that above-mentioned blade of a sword shape portion comprises arcus part and the protuberance that is extended to form to a side by arcus part, one of them protuberance is provided with the location structure that is used to locate described lead-in wire.
2, solenoid according to claim 1 is characterized in that described location structure is two through holes arranged side by side.
3, solenoid, comprise around core and be arranged on a pair of blade of a sword shape portion that is parallel to each other around the core two ends, thereby form the wound portion of winding between this is to blade of a sword shape portion, connects lead-in wire on the winding, the winding periphery seals synthetic resin and synthetic resin to the described lead portion of major general is sealed; It is characterized in that, also be connected with electric component on the described winding, above-mentioned blade of a sword shape portion comprises arcus part and the protuberance that is extended to form to a side by arcus part, and one of them protuberance is provided with the hollow portion that is used to put described electric component.
4, solenoid according to claim 3 is characterized in that described electric component is the variable resistor device.
5, solenoid according to claim 4 is characterized in that described variable resistor device is a thermistor.
6, solenoid according to claim 3 is characterized in that described electric component is the fixed resistance device.
7, according to the described solenoid of 3～6 arbitrary claims, it is characterized in that this protuberance is provided with the location structure that is used to locate described lead-in wire, described hollow portion is bucket-shaped, and its open end is to the wound portion of winding.
8, solenoid according to claim 7 is characterized in that described hollow portion is made of the end face indent of described protuberance.
9, solenoid according to claim 7, the location structure that it is characterized in that described lead-in wire are two through holes arranged side by side that are positioned at described hollow portion both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100498633A CN101038809B (en) | 2006-03-15 | 2006-03-15 | Electromagnetic coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100498633A CN101038809B (en) | 2006-03-15 | 2006-03-15 | Electromagnetic coil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101038809A true CN101038809A (en) | 2007-09-19 |
| CN101038809B CN101038809B (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100498633A Active CN101038809B (en) | 2006-03-15 | 2006-03-15 | Electromagnetic coil |
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| Country | Link |
|---|---|
| CN (1) | CN101038809B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101901662A (en) * | 2010-08-13 | 2010-12-01 | 浙江三花制冷集团有限公司 | Solenoid coil |
| CN102084164B (en) * | 2009-06-11 | 2013-05-22 | 丰田自动车株式会社 | Electromagnetic valve control device, and actuator |
| CN105570515A (en) * | 2014-10-31 | 2016-05-11 | 北京宇航系统工程研究所 | Electromagnetic valve suitable for being used in vacuum environment for long time |
| CN110332327A (en) * | 2019-07-02 | 2019-10-15 | 四川川润液压润滑设备有限公司 | A kind of direct driving type electromagnetic thermostat valve |
| CN110634658A (en) * | 2018-06-21 | 2019-12-31 | 株式会社鹭宫制作所 | Electromagnetic coil |
-
2006
- 2006-03-15 CN CN2006100498633A patent/CN101038809B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102084164B (en) * | 2009-06-11 | 2013-05-22 | 丰田自动车株式会社 | Electromagnetic valve control device, and actuator |
| CN101901662A (en) * | 2010-08-13 | 2010-12-01 | 浙江三花制冷集团有限公司 | Solenoid coil |
| CN101901662B (en) * | 2010-08-13 | 2016-04-13 | 浙江三花制冷集团有限公司 | A kind of solenoid |
| CN105570515A (en) * | 2014-10-31 | 2016-05-11 | 北京宇航系统工程研究所 | Electromagnetic valve suitable for being used in vacuum environment for long time |
| CN110634658A (en) * | 2018-06-21 | 2019-12-31 | 株式会社鹭宫制作所 | Electromagnetic coil |
| CN110332327A (en) * | 2019-07-02 | 2019-10-15 | 四川川润液压润滑设备有限公司 | A kind of direct driving type electromagnetic thermostat valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101038809B (en) | 2010-12-01 |
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Effective date of registration: 20170214 Address after: 312500 Zhejiang city of Shaoxing province Xinchang County Mei Zhu Zhen three flower Mei Zhu Industrial Park Administration Building Patentee after: Zhejiang three flower intelligent control Limited by Share Ltd Address before: 312500 Zhejiang County in Xinchang Province town of Liquan Patentee before: Sanhua Refrigeration Group Co., Ltd., Zhejang |