WO2008050993A1

WO2008050993A1 - Apparatus for opening/closing window having safety device

Info

Publication number: WO2008050993A1
Application number: PCT/KR2007/005203
Authority: WO
Inventors: Song Won Seo
Original assignee: Lg Chem, Ltd.
Priority date: 2006-10-23
Filing date: 2007-10-23
Publication date: 2008-05-02
Also published as: DE112007002577B4; RU2404347C1; CN101529039B; RU2009119441A; DE112007002577T5; CN101529039A; KR101023955B1; KR20080036415A

Abstract

The present invention relates to an apparatus for automatically opening/closing a double sliding window, and more particularly, to an apparatus for opening/closing a double sliding window using a DC brush type, comprising a reaction unit mounted to a curved portion of a window sash frame; and a coil unit mounted to a window frame member and inserted into the curved portion, wherein the window is opened or closed by interaction between the reaction unit and the coil unit. According to the configuration, it is possible to allow accurate control, to improve durability due to no mechanical contact and to improve the degree of freedom of design. In addition, the present invention relates to a safety device for detecting the contact with a user to stop the operation of the window sash in order to prevent the user from being held by or colliding against the window when using the opening/closing apparatus.

Description

APPARATUS FOR OPENING/CLOSING WINDOW HAVING

SAFETY DEVICE

Technical Field

[1] The present invention relates to an apparatus for automatically opening/closing a window using a brush DC motor, and more particularly, to an apparatus for opening/ closing a window by the interaction between a coil unit mounted to a window frame member and a reaction unit mounted to a window sash frame, and a safety device for detecting the contact with a user and stopping the operation of the window sash so as to prevent the user from being held by or colliding against the window when the automatic opening/closing apparatus is used.

[2]

Background Art

[3] Generally, a window is used for isolating an interior of a building from the outside, as well known generally. The window includes a window sash 10 for fixing a glass G, and a window frame 20 into which the window sash 10 is inserted.

[4] The window sash 10 includes an upper window sash frame 11, a lower window sash frame 12 and both side window sash frames 13 so as to fix the glass G, as shown in Fig. 1. The window frame 20 also includes an upper window frame member 21, a lower window frame member 22, and both side window frame members 23, similarly. At this time, the window frame members facing each other generally have an inwardly curved shape.

[5] In order to open or close the window so configured, a roller 33 is conventionally installed to the lower window sash frame 12. If force is applied to the window sash 10, the roller 33 rotates in contact with the lower window frame member 22, thereby opening or closing the window.

[6] Recently, an apparatus for automatically opening or closing the window has been used for convenience of use. As shown in Fig. 1, an automatic opening/closing apparatus 30 is installed to the lower window sash frame 12. The automatic opening/ closing apparatus 30 includes a motor 31 installed to the lower window sash frame 12, and a worm gear 32 rotated by the rotating force of the motor 31 to operate the roller 33. The automatic opening/closing apparatus 30 so configured is controlled using a control box or a manual switch 34 so that the window is automatically opened or closed.

[7] That is, after the roller 33 is operated by means of the motor 31, the roller 33 rotates on a rail (not shown) of the lower window frame member 12 to open or close the window sash 10. Here, the window sash 10 is opened or closed by means of friction between the roller 33 and the rail (not shown).

[8] However, since the window is opened or closed using the friction as described above, it is difficult to accurately control the position of the roller 33 that slides and rotates on the rail. In addition, the motor causes the size of a window to be limited or to require a large space, which deteriorates the degree of freedom of design.

[9]

Disclosure of Invention Technical Problem

[10] The present invention is to solve the aforementioned problems, and an object of the present invention is to provide an apparatus for automatically opening/closing a window, which can improve the degree of freedom of design by using not a conventional motor but a brush DC motor to eliminate the limit of a window size, and also make the accurate position control possible.

[11] Further, another object of the present invention is to provide a safety device capable of detecting the contact with a user and stopping the operation of a window sash to prevent the user from being held by or colliding against the window when the automatic opening/closing apparatus is used.

[12]

Technical Solution

[13] The above objects can be accomplished by providing an apparatus for opening/ closing a double sliding window using a DC brush type, which includes a reaction unit mounted to a curved portion of a window sash frame, and a coil unit mounted to a window frame member and inserted into the curved portion, thereby opening or closing the window by the interaction between the reaction unit and the coil unit.

[14] The above objects can also be accomplished by providing a safety device for a sliding window opening/closing apparatus, which includes a sensor installed to a front end surface of a window sash, a transmitting unit installed to one side surface of the window sash and having an transmitter for receiving a signal from the sensor and transmitting the signal and a power supply portion for supplying power to the transmitter, and a receiving unit installed to one side surface of a window frame and having a receiver for receiving the signal from the transmitter and a controller for receiving the signal from the receiver and controlling a motor.

[15]

Brief Description of the Drawings

[16] Fig. 1 is a schematic view showing an opening/closing apparatus of a conventional double sliding window; [17] Fig. 2 is a sectional perspective view showing an opening/closing apparatus according to the present invention; [18] Fig. 3 is an exploded perspective view showing the opening/closing apparatus according to the present invention; [19] Fig. 4 is a perspective view showing a power supply portion according to the present invention; [20] Fig. 5 is a perspective view showing a circuit board according to the present invention; [21] Fig. 6 is a perspective view showing a safety device according to the present invention; and [22] Figs. 7 and 8 are sectional views showing a sensor according to the present invention. [23]

Best Mode for Carrying Out the Invention [24] Hereinafter, the configurations of the present invention will be described in detail with reference to the accompanying drawings. [25] The present invention is directed to an apparatus for opening/closing a window by the interaction between a coil unit 100 mounted to a window frame member BF and a reaction unit 200 mounted to a window sash frame SF that faces the window frame member BF and has a curved shape, i.e., an apparatus for opening/closing a window using a brushed DC linear motor, which includes the coil unit 100 and the reaction unit

200, as shown in Fig. 2. [26] Generally, as well known in the art, when electric current is supplied to a coil in a linear motor, attractive and repulsive forces are generated due to the interaction with permanent magnet, and the linear motor makes a linear movement using the generated attractive and repulsive forces. [27] [28] *The present invention, which is to automatically open/close a window using a brushed DC linear motor using direct current, will be explained in more detail with reference to Fig. 3. [29]

[30] Embodiment 1

[31] In the present invention as described above, the coil unit 100 is mounted to the window frame member BF, and the reaction unit 200 interacting with the coil unit 100 is mounted to the window sash frame SF. The window sash frame SF is moved by the interaction between the coil unit 100 and the reaction unit 200, thereby automatically opening or closing the window. [32] In this embodiment, the coil unit 100 includes a power supply portion 110 for being supplied with power, and coils 120 mounted to one or both side ends of the power supply portion 110 to receive power from the power supply portion 110. In this embodiment, as shown in Fig. 4, the coils 120 are mounted in series to both side ends of the power supply portion 110, so that they are aligned in a line. When the power supply portion 110 and the coils 120 should be aligned in a line, movement in the curved portion of the window sash frame SF becomes easier.

[33] Meanwhile, the power supply portion 110 has a plate shape as shown in Fig. 4.

Main power supply brushes 112 for receiving power from a circuit board 220, which will be described later, and signal transmitting brushes 111 for intermittently receiving power and switching are respectively installed to one or both sides of the plate shape.

[34] That is, as shown in Fig. 4, the arc-shaped main power supply brushes 112 are installed at a lower side of the power supply portion 110, and the plurality of wing- shaped signal transmitting brushes 111 are installed at an upper side of the main power supply brushes 112. The brushes 111 and 112 so configured are in contact with the circuit board 220, explained later, to apply power thereto.

[35] Meanwhile, the power supplied through the brushes 111 and 112 is conducted directly or supplied through wiring (not shown) to the coils 120 installed to one or both sides of the power supply portion 110.

[36] If the power is supplied to the coils in this way, an attractive or repulsive force is generated by the interaction with a permanent magnet 212, which will be described later, and the window sash is moved using the attractive or repulsive force. At this time, in order to fix the coil unit 100 to the window frame member BF in a more stable way, it is also preferred that a coil support 130 (see Fig. 3) be formed to the window frame member BF and the coil unit 100 be inserted into and fixed to the coil support 130.

[37] The reaction unit 200 interacting with the coil unit 100 as explained above is mounted to the window sash frame SF. The window sash frame SF has an inwardly concave shape, i.e., a curved shape, and the reaction unit 200 is mounted to the curved portion. The reaction unit 200 includes a reaction plate 210 mounted to a vertical side surface of the curved portion of the window sash frame SF and the circuit board 220 mounted under the reaction plate 210. At this time, in order to stably fix the reaction plate 210 and the circuit board 220, it is also preferred that after installing a support frame 230 inserted into the cured portion of the window sash frame SF, the reaction plate 210 and the circuit board 220 be fixed to the support frame 230.

[38] Meanwhile, the reaction plate 210 includes a yoke 211 made of steel plate mounted to the support frame 230, and a plurality of permanent magnets 212 fixedly mounted on the yoke 211 so that the polarities of the permanent magnets are alternated. [39] Due to the interaction between the reaction plate 210 and the coil unit 100 so configured, an attractive or repulsive force is generated to operate the window sash frame SF.

[40] Hereinafter, the circuit board 220 will be explained with reference to Fig. 5.

[41] The circuit board 220 is to supply power to the coil unit 100 as described above and includes a plate- shaped board main body 221, a main power supply circuit 221b formed under the board main body 221, and a signal transmitting circuit 221a formed on an upper portion of the main power supply circuit 221b.

[42] The main power supply circuit 221b is continuously formed under the board main body 221 as described above and then is in contact with the main power supply brush 112 of the power supply portion 110.

[43] In addition, the signal transmitting circuit 221a is formed to periodically protrude on the upper portion of the main power supply circuit 221b and then is brought into contact with the signal transmitting brushes 111.

[44] That is, the main power supply circuit 221b is in contact with the main power supply brush 112 at all times, but the signal transmitting circuit 221a is periodically brought into contact with the signal transmitting brushes 111. Thus, protruding portions of the signal transmitting circuit 221a are brought into contact with the signal transmitting brushes 111, but cutaway portions are not in contact with the signal transmitting brushes 111, so that the signal transmitting circuit functions as a kind of switch.

[45] Meanwhile, as shown in Figs. 4 and 5, the main power supply brushes 112 and the signal transmitting brushes 111 are installed to protrude at both sides, and the pro trading brushes 111 and 112 are in contact with the circuit board 220 to apply power thereto.

[46] That is, the support frame 230 is mounted to each of both the sides of the curved portion of the window sash frame SF, and the reaction plate 210 and the circuit board 220 are mounted to each support frame 230.

[47] According to this configuration, the power is supplied to the coils 120 of the coil unit 100 to generate interaction, i.e., an attractive or repulsive force, with the aforementioned reaction plate 210, thereby moving the window sash frame SF and thus opening or closing the window.

[48] In addition, when the circuit board 220 as described above is used, the shape of the circuit causes the supplied power to be intermitted, thereby requiring no separate encoder.

[49] Also, according to the present invention, a brushed DC linear motor is used, thereby allowing more precise opening/closing control of the window to be possible. [51] Embodiment 2

[52] This embodiment is directed to a safety device 300 of the window opening/closing apparatus using a DC brush, which will be explained below with reference to Fig. 6.

[53] Fig. 6 shows the safety device 300 of this embodiment, but the opening/closing apparatus using a DC brush type is not illustrated for simplification of the figure.

[54] The safety device 300 of this embodiment includes a sensor 320 for detecting the contact with a user, a transmitting unit 310 for receiving a signal generated from the sensor 320, and a receiving unit 330 for receiving the signal from the transmitting unit 310 for control.

[55] The sensor 320 is attached to a front end surface of the window sash frame SF, i.e., a surface of the window sash frame SF that is brought into contact with the window frame member BF when the window sash frame SF moves. When a user contacts with the window sash frame SF, the sensor 320 recognizes the contact. The configuration of the sensor 320 will be described later.

[56] Meanwhile, a signal generated from the sensor 320 when a user contacts therewith is transmitted to the transmitting unit 310. The transmitting unit 310 includes an transmitter 311 for transmitting the signal input from the sensor 320 by wireless, and a power supply portion 312 for supplying power to the transmitter 311. At this time, the transmitter 311 may adopt RF or infrared wireless communication.

[57] Meanwhile, the signal sent by the transmitting unit 310 is received by the receiving unit 330. The receiving unit 330 includes a receiver 331 for receiving the signal, and a controller 332 for controlling the double sliding window opening/closing apparatus using a DC brush according to Embodiment 1 by the signal received in the receiver 331.

[58] According to the above configuration, when a user contacts with the window sash frame SF, the operation of the window sash stops, whereby the safety of the user is ensured.

[59] Hereinafter, the sensor 320 will be explained with reference to Figs. 7 and 8. The sensor 320 firstly includes two electrodes, which are a lower electrode plate 324 and an upper electrode plate 323 electrically connected with the lower electrode plate 324.

[60] At this time, a first insulator 325 is installed to surround the lower electrode plate

324 and to partially open an upper portion thereof, thereby preventing the lower electrode plate 324 from being electrically connected with the upper electrode plate 323.

[61] Meanwhile, the upper electrode plate 323 is installed on the lower electrode plate

324 as described above and has an arc-shaped cross section. The upper electrode plate 323 has both side ends in contact with both ends of the first insulator 325, and a central portion spaced apart from the lower electrode plate 324. Thus, if external force is applied thereto, the central portion of the upper electrode plate 323 is deformed and brought into contact with the lower electrode plate 324 to thereby generate a signal.

[62] At this time, a second insulator 322 is mounted on the upper electrode plate 323 for insulation, and a sheath 321 with a central portion protruding is provided to surround the first insulator 325 and the second insulator 322.

[63] The sensor 320 so configured detects the contact with a user.

[64] Hereinafter, it will be explained with reference to Fig. 6 how the safety device of the present invention is used. In the window using a DC brush type shown in Fig. 6, an attractive or repulsive force is generated by the interaction between the coil unit 100 and the reaction unit 200, and the generated attractive or repulsive force is used in the window.

[65] At this time, when the safety device of the present invention as explained above is used, if the sensor 320 detects the contact with a user and thus generates a signal, the signal is transmitted to the receiving unit 330 by the transmitting unit 310. At this time, the controller 332 of the receiving unit 330 receiving the signal blocks the power from being supplied to the power supply portion 110, and as a result, the window frame stops operating.

[66] According to the above configuration, when the contact with a user occurs, the operation of the window sash can be stopped, thereby ensuring the safety of the user.

[67]

Industrial Applicability

[68] As discussed above, a conventional window is opened or closed using friction, so that it is difficult to accurately control its position. Also, the conventional window has a limit in its size and requires a large space due to the motor, which deteriorates the degree of freedom of design.

[69] However, an automatic double sliding window using a DC brush type allows accurate control of its position and improves the degree of freedom of design.

[70] Also, even when a user contacts with a window sash in the conventional window, the window sash continuously operates. Thus, the user is held between the window sash and the window frame or collides against the window sash, which endangers user s safety, for example, is an injury to the user.

[71] However, the safety device according to the present invention has a sensor for detecting the contact attached to a window frame, so that the contact with a user can be detected by the sensor and then the operation of the window sash is stopped, thereby protecting the user safely.

Claims

[1] An apparatus for opening/closing a double sliding window using a DC brush type, comprising: a reaction unit mounted to a curved portion of a window sash frame; and a coil unit mounted to a window frame member and inserted into the curved portion, wherein the window is opened or closed by interaction between the reaction unit and the coil unit.

[2] The apparatus as claimed in claim 1, wherein the coil unit includes a plate-shape power supply portion having a brush protruding on one side thereof to receive power, and a plate-shape coil mounted to one side end of the power supply portion and receiving power from the power supply portion; and the reaction unit includes a reaction plate mounted to a vertical surface of the curved portion of the window sash frame, and a circuit board mounted under the reaction plate to supply power to the brush of the power supply portion.

[3] The apparatus as claimed in claim 2, wherein the brush includes a main power supply brush formed at a lower side of the power supply portion, and a plurality of signal transmitting brushes formed at an upper side of the main power supply brush; and the circuit board includes a plate-shaped board main body, a main power supply circuit continuously formed under the board main body to supply power to the main power supply brush at all times, and a signal transmitting circuit periodically formed on an upper side of the main power supply circuit to periodically supply power to the signal transmitting brushes.

[4] The apparatus as claimed in claim 2, wherein the circuit board is installed to each of both vertical inner side surfaces of the window sash frame; and the brushes protrude to both circuit boards and electrically connected to the circuit boards, respectively.

[5] The apparatus as claimed in claim 2, wherein the coil unit is inserted into and fixed to a coil support mounted to the window frame member; and the reaction plate and the circuit board are fixed to a support frame inserted into the curved portion of the window sash frame.

[6] The apparatus as claimed in claim 5, wherein the reaction plate includes a yoke fixed to the support frame and a plurality of permanent magnets fixed on the yoke so that polarities of the permanent magnets are alternated.

[7] A safety device for a double sliding window using a DC brush type, which is used for the apparatus according to any one of claims 1 to 6, the safety device comprising: a sensor installed to a front end surface of the window sash; a transmitting unit installed to one side of the window sash and including an transmitter for receiving a signal from the sensor and transmitting the signal and a power supply portion for supplying power to the transmitter; and a receiving unit installed to one side of the window frame member and including a receiver for receiving the signal from the transmitter and a controller for receiving the signal from the receiver to control the DC brush.

[8] The safety device as claimed in claim 7, wherein the sensor includes a plate- shaped lower electrode plate; a first insulator surrounding the lower electrode plate and partially opening an upper side thereof; an upper electrode plate installed on the first insulator and having an arc-shaped cross section; a second insulator formed on the upper electrode plate; and a sheath surrounding the first and second insulators and formed to protrude at central portion, wherein the first and second electrode plates are electrically connected to each other to generate a signal.

[9] The safety device as claimed in claim 7, wherein the transmitter of the transmitting unit adopts RF or infrared wireless communication.