CN210482780U

CN210482780U - Cold channel skylight with automatic power-off reset function

Info

Publication number: CN210482780U
Application number: CN201921135459.7U
Authority: CN
Inventors: 李颖; 邓仁义
Original assignee: Chongqing Dewei Communication Technology Co ltd
Current assignee: Chongqing Dewei Communication Technology Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-08
Anticipated expiration: 2029-07-19

Abstract

The utility model provides a power failure automatic re-setting's cold passageway skylight, including the window frame and articulate in skylight on the window frame, the focus in skylight is skew the skylight is wound window frame pivoted axis of rotation, the window frame with be equipped with the electromagnetic lock between the skylight, the electromagnetic lock is including setting up the electro-magnet on the window frame and setting up the iron plate on the skylight, still including being used for closing the mechanism of closing in skylight, close the mechanism and include motor, motor drive module and controller, the rotation axis of motor links to each other with the one end of winding line, and the other end of winding line links to each other with the side edge, and the power input end of motor links to each other with motor drive module's power output end, and the power output end of motor links to each other with motor drive module's power input end, and motor drive module links to each. The utility model discloses can realize opening and close the skylight.

Description

Cold channel skylight with automatic power-off reset function

Technical Field

The utility model relates to a skylight especially relates to a cold passageway skylight of outage automatic re-setting.

Background

In the cold passageway of current computer lab, in order to guarantee to put out a fire when the conflagration breaks out the fire the steam flow can get into the computer lab fast and assist and put out a fire, dispose the activity skylight usually. The existing movable skylight is maintained to be closed by attracting an electromagnet with a window frame, when a machine room is powered off, the corresponding electromagnet is powered off, and the skylight is automatically opened by utilizing the gravity center deviating from a rotating shaft. Usually, the rotating shaft of the motor is connected with the rotating shaft of the skylight to realize the opening and closing of the skylight.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving the technical problem who exists among the prior art at least, the cold passageway skylight of outage automatic re-setting has been provided very much innovatively.

In order to realize the above purpose of the utility model, the utility model provides a cold channel skylight with automatic reset when power is off, which comprises a window frame and a skylight hinged on the window frame, the gravity center of the skylight deviates from a rotating axis of the skylight rotating around the window frame, an electromagnetic lock is arranged between the window frame and the skylight, the electromagnetic lock comprises an electromagnet arranged on the window frame, an iron block arranged on the skylight, and a window closing mechanism used for closing the skylight, the window closing mechanism comprises a motor, a motor driving module and a controller, a rotating shaft of the motor is connected with one end of a winding wire, the other end of the winding wire is connected with the side edge of the skylight, a power input end of the motor is connected with a power output end of the motor driving module, a power output end of the motor is connected with a power input end of the motor driving module, and the motor driving module is connected with the controller.

When the window is closed, the controller sends a window closing signal to the motor driving module, the motor rotates to drive the winding wire to be wound on the motor rotating shaft, and the corresponding winding wire drives the skylight to be closed; when the skylight is closed, the electromagnetic lock adsorbs the skylight, and the skylight is prevented from being opened. Under the condition that the electromagnet is powered off, the magnetic force disappears, the skylight is automatically opened due to the fact that the gravity center deviates from the rotating shaft, and the winding wire plays a role in protecting and limiting.

In a preferred embodiment of the present invention, the motor driving module includes a relay chip U1, a connection terminal 1 of the relay chip U1 is connected to an emitter of a transistor Q1, a collector of the transistor Q1 is connected to a chip power ground, a base of the transistor Q1 is connected to a motor forward/reverse rotation signal output terminal P1.0 of the controller U2, a connection terminal 16 of the relay chip U1 is connected to a first end of a resistor R1, and a second end of the resistor R1 is connected to a chip power supply;

the connecting terminal 4 of the relay chip U1 is connected with the first end of the motor M, and the connecting terminal 13 of the relay chip U1 is connected with the second end of the motor M;

a connecting terminal 6 of the relay chip U1 is respectively connected with an emitting electrode of a triode Q2 and a connecting terminal 9 of a relay chip U1, a collector electrode of the triode Q2 is connected with a motor power ground, and a base electrode of the triode Q2 is connected with a motor power on-off signal terminal P1.6 of the controller U2; and the connection terminal 8 of the relay chip U1 is respectively connected with the connection terminal 9 of the relay chip U1 and the motor power supply. When the controller sends a cut-off level to the triode Q1 and sends a conducting level to the triode Q2, after passing through an internal circuit of the relay chip U1, current flows from the right side to the left side, and the situation is defined as the forward rotation of the motor; accordingly, when the controller sends a conduction level to the transistor Q1 and a conduction level to the transistor Q2, after passing through the internal circuit of the relay chip U1, the current flows from left to right, and the motor is reversed.

In a preferred embodiment of the present invention, the dc-dc converter further comprises a freewheeling circuit, the freewheeling circuit comprises a freewheeling diode D1 and a resistor R2, the first end of the resistor R2 is connected to the power ground of the motor, the second end of the resistor R2 is connected to the anode of the freewheeling diode D1, and the cathode of the freewheeling diode D1 is connected to the emitter of the transistor Q2. The safety of the motor during the shutdown is protected through the freewheeling diode.

The utility model discloses an among the preferred embodiment, still including setting up the first micro-gap switch that is used for detecting and closes the skylight on the window frame, the first end of power of electro-magnet links to each other with first micro-gap switch's common port, and first micro-gap switch's normally open contact end links to each other with +24V power, and the power second end of electro-magnet links to each other with +24V power ground. When the skylight is closed, the normally open contact of the first microswitch is changed from a disconnected state to a closed state, the power supply circuit of the electromagnet is conducted, and the magnetic field generated by the electromagnet adsorbs the iron block on the skylight.

In a preferred embodiment of the present invention, the glass installed on the skylight is coated tempered glass. The coated toughened glass is adopted as the glass, so that even if the skylight glass is impacted by gravity, the broken glass can be prevented from hurting people and objects.

In a preferred embodiment of the present invention, a damping shaft is used for the rotation shaft of the sunroof. The rotating shaft of the skylight adopts a damping rotating shaft, and the damping action reversely controls the overturning speed of the skylight top plate.

To sum up, owing to adopted above-mentioned technical scheme, the utility model discloses can realize opening and closing the skylight.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the circuit connection of the motor driving module of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The utility model provides an automatic cold passageway skylight that resets, as shown in figure 1, include window frame 1 and articulate in skylight 2 on the window frame 1, the focus in skylight is skew the skylight winds window frame pivoted axis of rotation, the window frame with be equipped with the electromagnetic lock between the skylight, the electromagnetic lock is including setting up electro-magnet 3 on the window frame and setting up iron plate 4 on the skylight, still including being used for closing the mechanism of closing the window in skylight, it includes motor, motor drive module and controller to close the window mechanism, the rotation axis of motor links to each other with the one end of winding line, and the other end of winding line links to each other with skylight side edge, and the power input end of motor links to each other with motor drive module's power output end, and the power output end of motor links to each other with motor drive module's power input end, and motor drive module links to each other with. In this embodiment, the other end of the winding wire is arranged at the middle position of the edge of the skylight side, and the corresponding motor is arranged at the middle position of the inner edge of the window frame, so that the winding wire can drive the skylight to be balanced. Two winding wires can be arranged at two ends of the side edge of the skylight correspondingly, and two motors are needed to be arranged.

In a preferred embodiment of the present invention, as shown in fig. 2, the motor driving module includes a relay chip U1, a connection terminal 1 of the relay chip U1 is connected to an emitter of a transistor Q1, a collector of the transistor Q1 is connected to a chip power ground, a base of the transistor Q1 is connected to a motor forward/reverse rotation signal output terminal P1.0 of a controller U2, a connection terminal 16 of a relay chip U1 is connected to a first end of a resistor R1, and a second end of the resistor R1 is connected to a chip power supply;

a connecting terminal 6 of the relay chip U1 is respectively connected with an emitting electrode of a triode Q2 and a connecting terminal 9 of a relay chip U1, a collector electrode of the triode Q2 is connected with a motor power ground, and a base electrode of the triode Q2 is connected with a motor power on-off signal terminal P1.6 of the controller U2; and the connection terminal 8 of the relay chip U1 is respectively connected with the connection terminal 9 of the relay chip U1 and the motor power supply. When the controller sends a cut-off level to the triode Q1 and sends a conducting level to the triode Q2, after passing through an internal circuit of the relay chip U1, current flows from the right side to the left side, and the situation is defined as the forward rotation of the motor; accordingly, when the controller sends a conduction level to the transistor Q1 and a conduction level to the transistor Q2, after passing through the internal circuit of the relay chip U1, the current flows from left to right, and the motor is reversed. In the embodiment, the motor driving circuit further comprises a freewheeling circuit, wherein the freewheeling circuit comprises a freewheeling diode D1 and a resistor R2, a first end of the resistor R2 is connected with the power ground of the motor, a second end of the resistor R2 is connected with the anode of the freewheeling diode D1, and the cathode of the freewheeling diode D1 is connected with the emitter of the transistor Q2. In this embodiment, the transistor Q1 and the transistor Q2 are PNP transistors, and preferably, a 2SD882 transistor is used; the model of the relay chip U1 is G5V series relay chips, preferably G5V-2-H1-5 VDC; the controller is an STC89 series single-chip microcomputer, preferably an STC89LE52RC single-chip microcomputer; the resistance of the resistor R1 is 1 omega, the resistance of the resistor R2 is 1K omega, the model of the fly-wheel diode D1 is 1N4001, the power supply of a chip is +5V power supply, and the power supply of a motor is +24V power supply.

The utility model discloses an among the preferred embodiment, still including setting up the first micro-gap switch that is used for detecting and closes the skylight on the window frame, the first end of power of electro-magnet links to each other with first micro-gap switch's common port, and first micro-gap switch's normally open contact end links to each other with +24V power, and the power second end of electro-magnet links to each other with +24V power ground.

In a preferred embodiment of the present invention, the glass installed on the skylight is coated tempered glass. The rotating shaft of the skylight adopts a damping rotating shaft.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a cold passageway skylight of outage automatic re-setting which characterized in that, include the window frame and articulate in skylight on the window frame, the focus in skylight is skew the skylight winds window frame pivoted axis of rotation, the window frame with be equipped with the electromagnetic lock between the skylight, the electromagnetic lock is including setting up the electro-magnet on the window frame and setting up the iron plate on the skylight, still including being used for closing the window mechanism in skylight, close window mechanism and include motor, motor drive module and controller, the rotation axis of motor links to each other with the one end of winding line, and the other end of winding line links to each other with skylight side reason, and the power input of motor links to each other with motor drive module's power output end, and the power output of motor links to each other with motor drive module's power input end, and motor drive module links to each.

2. The power-off automatic-resetting cold-channel skylight of claim 1, wherein the motor driving module comprises a relay chip U1, a connection terminal 1 of the relay chip U1 is connected with an emitter of a transistor Q1, a collector of the transistor Q1 is connected with a chip power ground, a base of the transistor Q1 is connected with a motor positive and negative rotation signal output terminal P1.0 of a controller U2, a connection terminal 16 of a relay chip U1 is connected with a first end of a resistor R1, and a second end of the resistor R1 is connected with a chip power supply;

a connecting terminal 6 of the relay chip U1 is respectively connected with an emitting electrode of a triode Q2 and a connecting terminal 9 of a relay chip U1, a collector electrode of the triode Q2 is connected with a motor power ground, and a base electrode of the triode Q2 is connected with a motor power on-off signal terminal P1.6 of the controller U2; and the connection terminal 8 of the relay chip U1 is respectively connected with the connection terminal 9 of the relay chip U1 and the motor power supply.

3. The power-off automatic-resetting cold-channel skylight of claim 2, further comprising a freewheeling circuit comprising a freewheeling diode D1 and a resistor R2, wherein a first end of the resistor R2 is connected to the motor power ground, a second end of the resistor R2 is connected to the anode of the freewheeling diode D1, and the cathode of the freewheeling diode D1 is connected to the emitter of the transistor Q2.

4. The cold channel skylight with the power failure automatic reset function as claimed in claim 1, further comprising a first micro switch arranged on the window frame for detecting the closing of the skylight, wherein a first power supply end of the electromagnet is connected with a common end of the first micro switch, a normally open contact end of the first micro switch is connected with a +24V power supply, and a second power supply end of the electromagnet is connected with a +24V power supply ground.

5. The cold channel skylight with the power failure automatic reset function according to claim 1, wherein the glass installed on the skylight is coated toughened glass.

6. The cold aisle skylight of outage automatic reset of claim 1, characterized in that a damping rotating shaft is used in the rotating shaft of the skylight.