CN101795023A - Induction charging device of electric automobile - Google Patents
Induction charging device of electric automobile Download PDFInfo
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- CN101795023A CN101795023A CN201010129866A CN201010129866A CN101795023A CN 101795023 A CN101795023 A CN 101795023A CN 201010129866 A CN201010129866 A CN 201010129866A CN 201010129866 A CN201010129866 A CN 201010129866A CN 101795023 A CN101795023 A CN 101795023A
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- ferromagnetic material
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- casing
- charging device
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Abstract
The invention relates to an induction charging device of an electric automobile, belonging to the technical field of electric automobiles. The induction charging device comprises an insulated casing, an iron core, a spring, a primary side coil, lock catches and a through hole, wherein the insulated casing consists of a casing cover and a casing; the iron core consists of a first ferromagnetic material which is arranged in the casing cover and corresponds to the casing cover in size and a second ferromagnetic material which is placed in the casing; an annular cavity with an upward opening is formed by the section of the first ferromagnetic material; the spring is arranged between the inner surface of the casing and the second ferromagnetic material; the primary side coil is annularly sleeved in the cavity; the lock catches are respectively fixed on the casing cover and the casing and are used for the opening and the closing of the casing cover and the casing; and the through hole through which a coil cable is led is formed on the lateral surface of the casing. The charging device uses an electromagnetic induction principle, realizes electric isolation and avoids potential safety hazard.
Description
Technical field
The invention belongs to the electric vehicle engineering field, particularly a kind of device that utilizes electromagnetic induction that electric automobile is charged.
Background technology
At present, the most of rectifying device that relies on of the charging device of electric automobile is converted into direct current with alternating current, then by the charge in batteries of cable to electric automobile.Yet at first, charging electric vehicle has the voltage height, the characteristics that electric current is big, and therefore in a single day cable comes off and will cause very serious consequence in charging process.The lighter gets an electric shock, and casualties appears in weight person.The second, in cable plug plug process, produce electric spark probably, cause security incident.Therefore the 3rd, the charging device majority of electric automobile is arranged on the open air, causes the plug short circuit easily in sleety weather and causes fire.
Summary of the invention
The objective of the invention is provides a kind of induction charging device of electric automobile in order to overcome the potential safety hazard of traditional electric automobile charging device, and this charging device uses electromagnetic induction principle, has realized electric isolation, has stopped potential safety hazard.
The induction charging device of a kind of electric automobile provided by the invention, it is characterized in that, this device comprises the insulation crust of being made up of cap and housing, by be placed on respectively in the cap with matched first ferromagnetic material of cap inside dimension and be placed on the iron core that second ferromagnetic material in the housing is formed, the toroidal cavity that the cross section formation opening of first ferromagnetic material makes progress; Make the spring that is placed between the cap inner surface and second ferromagnetic material, and the primary coil of ring set in cavity; Be separately fixed at cap and shell rim and be used for the unlatching of cap and housing, closed snap close, also be included in the through hole that coil cable is drawn that the side of housing has.Described insulation crust can be cuboid, the cube shaped or cylinder bodily form.
The induction charging device of another kind of electric automobile provided by the invention, it is characterized in that, this device comprises the insulation crust of being made up of cap and housing, by be placed on respectively in the cap with matched first ferromagnetic material of cap inside dimension and be placed on the iron core that second ferromagnetic material in the housing is formed, this housing and first ferromagnetic material are the uncovered umbilicate shape in upper end, and the shape of this cap and housing adapts; Also comprise the spring in the end that is placed on cap inner surface and ferromagnetic material, make second ferromagnetic material below the spring protrude lid insulation crust edge; Around the primary coil of first ferromagnetic material on one side; One side of first, second ferrimagnet is provided with pin-and-hole and pin, and it is also rotatable that first, second ferrimagnet is linked to each other, and the housing and the cap of the another side of first, second ferrimagnet are fixed with pair of catches, make housing and cap closure.
The invention has the beneficial effects as follows, can under the situation that electricity is isolated, charge that the first electric leakage hidden danger of avoiding outdoor moisture to cause is even secondary coil also is safe from danger with the device disengaging in second charging process.In addition,, aerial oxidation of ferromagnetic material and pollution have been avoided, the charge efficiency when having guaranteed to use in non-charging lid in period and casing closure.
Description of drawings
Fig. 1 is the lateral longitudinal profile of core formula iron core open-close type lid charger of the present invention.
Fig. 2 is the end face drawing in side sectional elevation of core formula iron core open-close type lid charger of the present invention.
Fig. 3 is the lateral longitudinal profile of the rotary lid charger of O formula iron core of the present invention.
Fig. 4 is the interface portion enlarged drawing (snap close does not draw among the figure) of the rotary lid charger of O formula iron core of the present invention.
Figure middle cover insulating sublayer shell 1 spring 2 ferromagnetic material A3 cavitys 4 primary coils 5 ferromagnetic material B6 casing insulation crusts 7 secondary coils 8 grid side cables 9 vehicle-mounted cable 10 snap closes 11.
Embodiment
The present invention is further described below in conjunction with drawings and Examples.
Induction charging device embodiment 1 structure of the electric automobile of designing of the present invention as shown in Figure 1, present embodiment comprises cuboid (also the can be cube shaped or the cylinder bodily form) insulation crust of being made up of cap 11A and housing 11B, by be placed on respectively in the cap with the matched ferromagnetic material 13A of cap inside dimension and be placed on the iron core that the ferromagnetic material 13B in the housing forms, the cross section of ferromagnetic material 13B is the toroidal cavity 14 that E shape and formation opening make progress; Make the spring 12 that is placed between cap 11A inner surface and the ferromagnetic material 13A, and the primary coil 16 of ring set in cavity 14; Be separately fixed at the snap close 15 of cap and shell rim, be used for unlatching, the closure of cap and housing, also be included in the through hole that coil cable is drawn that the side of housing has.In Fig. 2, can more clearly see when lid insulation crust 1A1 and casing insulation crust 11B are closed the position of snap close 15, and the position that connects the cable 19,18 of former secondary coil respectively.
Cuboid ferromagnetic material 13A protrudes the cap about 3mm in 11 edges to 4mm.
Present embodiment uses way of electromagnetic induction that electric automobile is powered, and during work, vehicle-mounted coil 17 to be charged is inserted in the cavity 14 and constitutes secondary coil.The cable 18 of vehicle-mounted coil 17 to be charged through hole is from the side drawn; The cable 19 that the other end is connected to primary coil 16 is connected on the electrical network through switch etc.; Vehicle-mounted cable is connected on the electric automobile.When cap 11A and housing 11B pin when closed with snap close 15, because spring 12 is given the downward pressure of ferromagnetic material 13A, make ferromagnetic material 13A and ferromagnetic material 13B driving fit, constitute magnetic circuit.Electrical network is supplied with alternating current by the grid side cable to primary coil 5.The magnetic flux that electric current in the primary coil can change in magnetic circuit (being ferromagnetic material 3 and ferromagnetic material 6).The magnetic flux of this variation can produce alternating current in secondary coil (being vehicle-mounted coil 8), and supplies with electric automobile by vehicle-mounted coil cable and charge.
The parameter of present embodiment is: ferromagnetic material 11A and ferromagnetic material 11B sectional area 200cm
2, material is a cold-reduced silicon sheet.Casing insulation crust 11B and lid insulation crust 11A thickness are 5mm, and material is PVC.Primary coil 16 and secondary coil 17 are that the copper conductor coiling of 5mm2 forms by sectional area, and primary coil 16 is 100 circles, and secondary coil 17 is 300 circles.Secondary coil can obtain the 660V alternating current during work, and electric current can reach 200A.
Induction charging device embodiment 2 structures of the electric automobile that the present invention designs as shown in Figure 3, its structure is substantially the same manner as Example 1, difference is, the cross section that is placed on the ferromagnetic material 23B in the housing is a spill, housing 21C also is the uncovered umbilicate shape in upper end, cap 21A and the ferromagnetic material 23A that is placed on wherein are similar with the shape of housing 21C and ferromagnetic material 23B respectively, slightly concave in the middle of having only; Spring 22 is placed in the end of cap inner surface and ferromagnetic material 23A, makes the ferromagnetic material 23A below the spring protrude the lid insulation crust about 3mm in 1 edge to 4mm.Primary coil 25 is on spill ferromagnetic material 23B one side; One side of ferrimagnet 23A and 23B links to each other with pin with pin-and-hole and is rotatable, and the housing of another side and cap be pair of catches fixedly, makes housing and cap closure.In Fig. 4, can clearly see shape and the position relation of lid insulation crust 21A, casing insulation crust 21C, ferromagnetic material 23A and ferromagnetic material 23B.
In present embodiment when work,, vehicle-mounted coil 26 to be charged is inserted in the secondary side (as shown in Figure 3) of ferromagnetic material 23B, and primary coil 25 is then around to former avris (as shown in Figure 3).Grid side cable 27 1 ends are connected on the electrical network, and the other end is connected in primary coil 25; Vehicle-mounted coil cable 28 1 ends are connected on the electric automobile, and an end is connected in secondary coil 26.On lid insulation crust 21A and the casing insulation crust 21C fixedly snap close 24 is installed, after lid insulation crust 21A and casing insulation crust 21C screw, is locked with snap close 24.After lid insulation crust 21A and casing insulation crust 21C screw, owing to there is spring 22 to give the downward pressure of ferromagnetic material 23A, make ferromagnetic material 23A and ferromagnetic material 23B driving fit, constitute magnetic circuit.During work, electrical network is supplied with alternating current by grid side cable 27 to primary coil 25.The magnetic flux that electric current in the primary coil 25 can change in the magnetic circuit that is made of ferromagnetic material 23A and 23B.The magnetic flux of this variation can produce alternating current in vehicle-mounted secondary coil 26, supply with by cable 28 at last and give electric automobile.
The parameter of present embodiment is: ferromagnetic material 23A and ferromagnetic material 23B sectional area 200cm
2, material is a cold-reduced silicon sheet.Casing insulation crust 21C and lid insulation crust 21A thickness are 5mm, and material is PVC.Primary coil 25 is 5mm with secondary coil 26 by sectional area
2The copper conductor coiling form, primary coil 25 is 100 circles, secondary coil 26 is 300 circles.Secondary coil can obtain the 660V alternating current during work, and electric current can reach 200A.
Claims (4)
1. the induction charging device of an electric automobile, it is characterized in that, this device comprises the insulation crust of being made up of cap and housing, by be placed on respectively in the cap with matched first ferromagnetic material of cap inside dimension and be placed on the iron core that second ferromagnetic material in the housing is formed, the toroidal cavity that the cross section formation opening of first ferromagnetic material makes progress; Make the spring that is placed between the cap inner surface and second ferromagnetic material, and the primary coil of ring set in cavity; Be separately fixed at cap and shell rim and be used for the unlatching of cap and housing, closed snap close, also be included in the through hole that coil cable is drawn that the side of housing has.
2. charging device according to claim 1 is characterized in that, described insulation crust is cuboid, the cube shaped or cylinder bodily form.
3. charging device according to claim 2 is characterized in that, the cross section of described first ferromagnetic material is an E shape.
4. the induction charging device of an electric automobile, it is characterized in that, this device comprises the insulation crust of being made up of cap and housing, by be placed on respectively in the cap with matched first ferromagnetic material of cap inside dimension and be placed on the iron core that second ferromagnetic material in the housing is formed, this housing and first ferromagnetic material are the uncovered umbilicate shape in upper end, and the shape of this cap and housing adapts; Also comprise the spring in the end that is placed on cap inner surface and ferromagnetic material, make second ferromagnetic material below the spring protrude lid insulation crust edge; Around the primary coil of first ferromagnetic material on one side; One side of first, second ferrimagnet is provided with pin-and-hole and pin, and it is also rotatable that first, second ferrimagnet is linked to each other, and the housing and the cap of the another side of first, second ferrimagnet are fixed with pair of catches, make housing and cap closure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010129866A CN101795023A (en) | 2010-03-19 | 2010-03-19 | Induction charging device of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010129866A CN101795023A (en) | 2010-03-19 | 2010-03-19 | Induction charging device of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101795023A true CN101795023A (en) | 2010-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010129866A Pending CN101795023A (en) | 2010-03-19 | 2010-03-19 | Induction charging device of electric automobile |
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| CN (1) | CN101795023A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108136927A (en) * | 2015-11-30 | 2018-06-08 | 宝马股份公司 | With the secondary coil unit for safeguarding opening |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06105486A (en) * | 1992-08-05 | 1994-04-15 | Toyota Autom Loom Works Ltd | Electromagnetic power supply |
| JPH07322534A (en) * | 1994-05-25 | 1995-12-08 | Hiroshi Sakamoto | Noncontact power transmission |
| CN1173027A (en) * | 1996-06-27 | 1998-02-11 | 住友电装株式会社 | Connector for charging |
| CN1185867A (en) * | 1995-05-29 | 1998-06-24 | 松下电器产业株式会社 | Power source apparatus |
| CN2786856Y (en) * | 2005-01-05 | 2006-06-07 | 申勇兵 | Power-supply inserting and connecting member structure |
| CN2817185Y (en) * | 2005-06-22 | 2006-09-13 | 徐平 | Contactless universal safety electric connector |
-
2010
- 2010-03-19 CN CN201010129866A patent/CN101795023A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06105486A (en) * | 1992-08-05 | 1994-04-15 | Toyota Autom Loom Works Ltd | Electromagnetic power supply |
| JPH07322534A (en) * | 1994-05-25 | 1995-12-08 | Hiroshi Sakamoto | Noncontact power transmission |
| CN1185867A (en) * | 1995-05-29 | 1998-06-24 | 松下电器产业株式会社 | Power source apparatus |
| CN1173027A (en) * | 1996-06-27 | 1998-02-11 | 住友电装株式会社 | Connector for charging |
| CN2786856Y (en) * | 2005-01-05 | 2006-06-07 | 申勇兵 | Power-supply inserting and connecting member structure |
| CN2817185Y (en) * | 2005-06-22 | 2006-09-13 | 徐平 | Contactless universal safety electric connector |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108136927A (en) * | 2015-11-30 | 2018-06-08 | 宝马股份公司 | With the secondary coil unit for safeguarding opening |
| CN108136927B (en) * | 2015-11-30 | 2021-11-09 | 宝马股份公司 | Secondary coil unit with maintenance opening |
| US11387673B2 (en) | 2015-11-30 | 2022-07-12 | Bayerische Motoren Werke Aktiengesellschaft | Secondary coil unit comprising a service opening |
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Open date: 20100804 |