JPH067010Y2 - Power supply device for vehicle inside anti-glare mirror - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a device for supplying (charging) a secondary battery of an inside antiglare mirror for a vehicle fixed to a windshield, especially to a secondary battery of the antiglare mirror. The present invention relates to a power supply device that is suitable for appearance.

[Conventional technology]

The inside anti-glare mirror for a vehicle of this type includes an anti-glare mirror whose light reflectance changes by controlling voltage application, a mirror housing equipped with the anti-glare mirror, and the anti-glare mirror installed in the mirror housing. And a secondary battery for applying a voltage, the mirror housing is fixed to a windshield, and a power cord from a power source is connected to the secondary battery. Such an inside antiglare mirror for a vehicle, when the voltage from the secondary battery is applied to the antiglare mirror through the control circuit by the automatic operation of the night-time automatic switch or the manual operation of the manual switch, The reflectance changes, and it is possible to prevent dazzling due to light from the following vehicles.

The means for supplying power to the secondary battery of the vehicle inside anti-glare mirror is to install a power cord from a power source in the roof and pull the power cord out of the roof to electrically recharge the secondary battery in the mirror housing. Connection.

[Problems to be solved by the device]

However, in the above-mentioned conventional power supply device for the inside antiglare mirror for a vehicle, the power cord in the roof is pulled out and simply connected to the secondary battery in the mirror housing. It is suspended in the air from the housing, which is annoying.
Further, even if the power cord is crawled on the inner surface of the greatly curved front windshield to eliminate the state of hanging in the air, the power cord is still visible, which causes a problem that it does not look good.

An object of the present invention is to provide a power supply device for an inside antiglare mirror for a vehicle that has a good appearance.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the present invention equips a roof in a vehicle compartment with a sun visor so that the sun visor can be stowed and can be stretched between the mirror housing and the roof, and a power cord can be arranged in the roof. Provided, each of the sun visor and the secondary battery is provided with a contact for electrical connection and disconnection, a flexible conductive material is disposed on the sun visor, the flexible conductive material and the power cord and the sun visor side contact. Is electrically connected to each other.

[Action]

The present invention can supply power to the secondary battery by electrically connecting the power cord in the roof and the secondary battery in the mirror housing through the flexible conductive material arranged in the sun visor. Moreover, the power cord does not look like it is hanging in the air, so it looks good.

〔Example〕

Hereinafter, embodiments of an inside antiglare mirror for a vehicle according to the present invention will be described with reference to the accompanying drawings.

In the figure, reference numeral 1 denotes a driver's cab of an automobile, and the driver's cab 1 includes a windshield 10 and a roof 11 which are largely curved.

Reference numeral 2 denotes a mirror housing. The mirror housing 2 has a hollow shape with an open front surface, and a fixed portion 21 (sintered metal piece) via a universal joint 20 composed of two spherical portions and a coil spring on the rear side. ) Is provided. The fixing portion 21 is adhered and fixed to the upper portion of the inner surface of the windshield 10 (the portion near the roof 11) with an adhesive 22 or the like.

Reference numeral 3 denotes an antiglare mirror provided in the front opening of the mirror housing 2. The antiglare mirror 3 changes the reflectance of light by controlling the voltage application, and is a liquid crystal type or gel electrochromic type. (Gel type EC type) or all-solid-state electrochromic type (all-solid-state EC type)
Expression) etc. are used.

A secondary battery (storage battery) 5 is built in the mirror housing 2 and electrically connected to the antiglare mirror 3. The secondary battery 5 is charged by a power supply unit described later, while applying a voltage to the antiglare mirror 3.

Between the secondary battery 5 and the antiglare mirror 3, a control circuit (not shown) that controls voltage application from the secondary battery 5 to the antiglare mirror 3 and a manual switch (not shown) that is manually opened and closed. No.) or an automatic switch (not shown) that automatically opens and closes depending on the brightness.

Reference numeral 40 is a wind-up device for the sun visor 4, which will be described later. The wind-up device 40 is a roof near the front windshield 10.
11, a case 43 attached to the case 11, a shaft 44 rotatably mounted in the case 43, and a winding spring (not shown) which is mounted on the shaft 44 and always biases the shaft 44 in one direction (winding direction). And a crane neck-shaped outlet 45 provided in the case 43.

4 is a flexible sheet-shaped sun visor, the base end of which is attached to the shaft 44 of the winding device 40 and is housed in the case 43 of the winding device 40 in a winding manner.
In addition, the roof 11 and the mirror housing 2 can be stretched. A flexible conductive material 41 made of a thin steel plate or the like is disposed in the sun visor 4 from the base end to the tip, and the flexible conductive material 41 at the base end portion 47 of the sun visor 4 is exposed. A hook 42 is attached to the back side of the tip of the sun visor 4 so that a finger or the like can be hooked when the sun visor 4 is pulled and stretched.

Reference numeral 52 is a power cord from a power source which has wired the inside of the roof 11 to the vicinity of the winding device 40. Reference numerals 50 and 51 are electrical contacts and serve as hooks on the sun visor 4. On the other hand, the contact 50 has a U-shape and is attached to the front side of the tip of the sun visor 4.
The flexible conductive material 41 and the rivet 46 are electrically connected. The other contact 51 is L-shaped, is attached to the rear surface side of the lower part of the mirror housing 2, and is electrically connected to the secondary battery 5 in the mirror housing 2. As a result, the sun visor 4 is pulled out from the winding device 40 so that the contact 50 on the sun visor 4 side can be pulled out.
The sun visor 4 is stretched between the roof 11 and the mirror housing 2 by hooking it on the contact 51 on the side of, and the flexible conductive material 41 on the side of the sun visor 4 and the secondary battery 5 on the side of the mirror housing 2 are separated. The secondary battery 5 is electrically connected, and the secondary battery 5 is charged by supplying power from the power source to the secondary battery 5 via a power supply unit 6 and a power cord 52 described later. Further, when the contact 50 on the side of the sun visor 4 is removed from the contact 51 on the side of the mirror housing 2, the sun visor 4 is wound up by the winding device 40 and stored, and the flexible conductive material 41 on the side of the sun visor 4 and the mirror housing. The secondary battery 5 on the second side is electrically disconnected.

Reference numeral 6 denotes a power feeding portion for electrically connecting the power cord 52 in the roof 11 and the flexible conductive material 41 in the sun visor 4, and the power feeding portion 6 is either a male or a female in the case 43 of the winding device 40. The connector 61 is fixed, one connector 62 is connected to the power cord 52 pulled out from the roof 11, and the connectors 61 and 62 are joined. A conductive plate 63 is fixed in the case 43, one end of the conductive plate 63 is connected to the connector 61, the other end of the conductive plate 63 is curved to provide an elastic contact portion 64, and the sun visor 4 is pulled out. At this time, the exposed portion 47 of the flexible conductive material 41 in the sun visor 4 and the elastic contact portion 64 of the conductive plate 63 come into contact with each other.

60 is a plate-shaped sun visor, this sun visor 60
Is rotatably attached to the left and right of the roof 11 near the windshield 10.

The vehicle inside anti-glare mirror of the present invention in this embodiment has the above-described structure, and therefore the voltage from the secondary battery 5 is controlled by the operation of the night manual switch or the automatic switch through the control circuit. When applied to 3,
The light reflectance of the anti-glare mirror 3 changes, and it is possible to prevent dazzling due to light from the following vehicle.

When the electricity stored in the secondary battery 5 is consumed and the secondary battery 5 needs to be charged, the sun visor 4 is pulled to connect the contact 50 on the side of the sun visor 4 to the contact 51 on the side of the mirror housing 2. If the power supply is connected to the secondary battery 5, the power supply and the secondary battery 5 are electrically connected to each other through the power cord 52, the power feeding portion 6, the flexible conductive material 41, and the contacts 50 and 51, and the secondary battery 5 is charged. When charging of the secondary battery 5 is completed, remove the contacts 50, 51 and remove the sun visor 4.
Is stored in the winding device 40.

As described above, the flexible conductive material 41 that electrically connects the power cord 52 in the roof 11 and the secondary battery 5 in the mirror housing 2 is disposed in the sun visor 4, and the flexible conductive material 41 and the power source are connected to each other. Code 52 and secondary battery 5
The electrical connection with the power supply part 6 provided on the roof 11 and the front surface side of the tip of the sun visor 4 and the mirror housing 2
Since it is done by the contacts 50, 51 provided on the rear surface side of the lower part of the, the unsightly power cord is not suspended or crawled between the roof and the mirror housing,
It looks good. Further, if the sun visor 4 is stored, the field of view is further expanded.

In the above-described embodiment, the storage means for the sun visor 4 is of the winding type, but it may be of the outer sliding type or folding type. Although the power cord 52 is once pulled out from the roof 11 and connected to the connector 62 in the above-described embodiment, the power cord 52 may be directly connected to the conductive plate 63 in the case 43.

[Effect of device]

As is clear from the above, the power supply device for the vehicle inside anti-glare mirror of the present invention has the power cord in the roof and the secondary battery in the mirror housing via the flexible conductive material arranged in the sun visor. Since they are electrically connected, the flexible conductive material can supply power to the secondary battery, and the power cord does not appear to be suspended in the space between the roof and the mirror housing. Is good.

[Brief description of drawings]

The accompanying drawings show an embodiment of a power supply device for an inside antiglare mirror for a vehicle according to the present invention. FIG. 1 is a sectional view in a use state, FIG. 2 is a front view in a use state,
FIG. 3 is a partial perspective view of a mirror housing, a sun visor, and a contact, and FIG. 4 is a sectional view of a winding device. 10 …… front windshield, 11 …… roof, 2 ……
Mirror housing, 3 ... Anti-glare mirror, 4 ... Sun visor, 40 ... Winding device, 41 ... Flexible conductive material, 5
…… Secondary battery, 50, 51 …… Contact, 6 …… Power supply section.

Claims (1)

[Scope of utility model registration request] 1. An anti-glare mirror whose light reflectance changes by controlling voltage application, a mirror housing equipped with the anti-glare mirror, and a voltage applied to the anti-glare mirror mounted on the mirror housing. An inside anti-glare mirror for a vehicle, which comprises a secondary battery and has the mirror housing fixed to a window glass, so that a sun visor can be housed in a roof in a vehicle compartment and can be stretched between the mirror housing and the roof. Then, a power cord is disposed in the roof, contacts for electrically connecting and disconnecting the sun visor and the secondary battery are respectively provided, and a flexible conductive material is disposed in the sun visor. An inside antiglare device for a vehicle, characterized in that the power cord and the sun visor side contact are electrically connected to each other. The power supply device in error.