Window opener and window

Abstract

The utility model relates to a window opening machine and a window, the window opening machine comprises a window opening machine body, the window opening machine body is connected between a window sash and a window frame of the window, a control unit is arranged in the window opening machine body, the control unit is connected with a locking unit, and the locking unit is connected between the window sash and the window frame. The control unit is used for firstly controlling the locking unit to enable the locking unit to lock and fix the window sash on the window frame, and then controlling the window opener body to drive the window sash to be closed; the control unit is further used for firstly controlling the locking unit to release locking and fixing between the window sash and the window frame and then controlling the window opener body to drive the window sash to be opened. By arranging the locking unit, the purpose of locking and fixing the window sash on the window frame after the window sash is closed is achieved, and therefore the situation that the window sash is opened under strong wind in the prior art is overcome.

Description

Technical Field

[0001] The utility model belongs to the technical field of doors and windows, and in particular relates to a window opener and a window. Background Art

[0002] A window opener is a machine used in the construction industry to open and close windows. It is generally called a "window opener" abroad, and mostly called a "window opener" in China.

[0003] The existing chain window opener is to open the window sash by driving the chain to support the window opener through the motor, and to close the window sash by driving the chain to retract through the motor. The existing window opener has the disadvantage of weak force, and when encountering strong wind weather, the closed window sash is easily opened. Utility Model Content

[0004] In order to solve all or part of the above problems, the utility model aims to provide a window opener and a window. The utility model can achieve the purpose of locking and fixing the window sash to the window frame after the window sash is closed by setting a locking unit.

[0005] According to one aspect of the utility model, a window opener is provided, comprising a window opener body, wherein the window opener body is connected between a window sash and a window frame of a window, and a control unit is arranged in the window opener body.

[0006] The control unit is connected to a locking unit, which is connected between the window sash and the window frame. The control unit is used to first control the locking unit so that the locking unit can lock and fix the window sash on the window frame, and then control the window opener body to drive the window sash to close; the control unit is also used to first control the locking unit to release the locking fixation between the window sash and the window frame, and then control the window opener body to drive the window sash to open.

[0007] Furthermore, the locking unit includes an electromagnetic lock and an iron plate, the electromagnetic lock is fixed on the window frame, the iron plate is fixed at the corresponding position of the window sash, the electromagnetic lock is connected to the control unit, and the control unit is used to first control the electromagnetic lock to be powered on so that the electromagnetic lock can absorb the iron plate, and then control the window opener body to drive the window sash to close; the control unit is also used to first control the electromagnetic lock to be powered off, and then control the window opener body to drive the window sash to open.

[0008] Furthermore, there are a plurality of electromagnetic locks, and the number of the iron plates is equal to the number of the electromagnetic locks; each of the electromagnetic locks is connected to the control unit.

[0009] Furthermore, the control unit includes a first terminal, the VIN1 pin and the VIN2 pin of the first terminal are connected to the 86 box switch, the VIN2 pin of the first terminal is connected to the base of the second transistor, the collector of the second transistor is connected to the first pin of the main control chip, the emitter of the second transistor is grounded, and the main control chip is used to control the window opener body to open or close the window according to the level signal of the VIN2 pin of the first terminal.

[0010] Furthermore, a second resistor is connected between the VIN2 pin of the first terminal and the base of the second transistor, the emitter of the second transistor is connected to one end of the third resistor, the other end of the third resistor is connected between the base of the second transistor and the second resistor, and the collector of the second transistor is connected to the +5V power supply through the first resistor.

[0011] Further, the fifth pin and the sixth pin of the main control chip are respectively connected to the third pin and the second pin of the motor drive chip, and the sixth pin and the eighth pin of the motor drive chip are connected to the electromagnetic lock;

[0012] When the main control chip controls the window opener body to open the window, the main control chip drives the electromagnetic lock to power off through the motor drive chip; when the main control chip controls the window opener body to close the window, the main control chip drives the electromagnetic lock to power on through the motor drive chip.

[0013] Furthermore, the twentieth pin of the main control chip is connected to the base of the fourth transistor, the collector of the fourth transistor is connected to the anode of the third diode, the cathode of the third diode is connected to the first pin of the first relay, the collector of the fourth transistor is connected to the fourth pin of the first relay, the emitter of the fourth transistor is grounded, the nineteenth pin of the main control chip is connected to the base of the fifth transistor, the collector of the fifth transistor is connected to the anode of the fourth diode, the cathode of the fourth diode is connected to the fourth pin of the second relay, the collector of the fifth transistor is connected to the first pin of the second relay, the emitter of the fifth transistor is grounded, the fifth pin of the first relay and the fifth pin of the second relay are connected to the window opener body; when the electromagnetic lock is powered on or off, the main control chip controls the action of the window opener body through the first relay and the second relay.

[0014] Furthermore, the third pin of the first relay and the third pin of the second relay are both connected to a +24V power supply; the twentieth pin of the main control chip is connected to the base of the fourth transistor through a twenty-first resistor, the emitter of the fourth transistor is connected to one end of the twenty-second resistor, and the other end of the twenty-second resistor is connected between the twenty-first resistor and the base of the fourth transistor; the nineteenth pin of the main control chip is connected to the base of the fifth transistor through a twenty-third resistor, the emitter of the fifth transistor is connected to one end of the twenty-fourth resistor, and the other end of the twenty-fourth resistor is connected between the twenty-third resistor and the base of the fifth transistor.

[0015] Further, the sixteenth pin of the main control chip is respectively connected to one end of the seventeenth resistor and one end of the eleventh capacitor, the other end of the eleventh capacitor is grounded, the other end of the seventeenth resistor is respectively connected to the second pin of the first relay, one end of the eighteenth resistor and the second pin of the second relay, and the other end of the eighteenth resistor is grounded;

[0016] It also includes a voltage stabilizer, wherein the +24V power supply is connected to the Vin pin of the voltage stabilizer, the Vout pin of the voltage stabilizer is connected to the +5V power supply, and the GND pin of the voltage stabilizer is grounded.

[0017] The utility model also provides a window, wherein a window opening machine described in any one of the above items is connected between the window sash and the window frame of the window.

[0018] It can be seen from the above technical solution that the window opener and window provided by the utility model have the following beneficial effects:

[0019] The utility model realizes the purpose of locking and fixing the window sash on the window frame after the window sash is closed by arranging the locking unit, thereby overcoming the problem in the prior art that the window sash is opened under strong wind. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A schematic diagram of a window according to an embodiment of the utility model;

[0021] Figure 2 for Figure 1 A partial enlarged view of the middle A;

[0022] Figure 3 This is a circuit schematic diagram of a control unit according to an embodiment of the present utility model. DETAILED DESCRIPTION

[0023] In order to better understand the purpose, structure and function of the utility model, a window opener and a window of the utility model are further described in detail below in conjunction with the accompanying drawings.

[0024] A window opening machine, comprising a window opening machine body 2, such as Figure 1 As shown, the window opener body 2 is connected between the window frame 4 and the window sash 3 of the window, and the window opener body 2 includes a shell, a control unit is arranged in the shell, the control unit is connected to the locking unit 1, and the locking unit 1 is connected between the window sash 3 and the window frame 4. The control unit is used to first control the locking unit 1 so that the locking unit 1 can lock and fix the window sash 3 on the window frame, and then control the window opener body 2 to drive the window sash 3 to close; the control unit is also used to first control the locking unit 1 to release the locking fixation between the window sash 3 and the window frame, and then control the window opener body 2 to drive the window sash 3 to open.

[0025] Specifically, the window opening machine body 2 of the present embodiment is connected between the window frame 4 and the window sash 3 of the window, and a transmission mechanism and a driving mechanism are also arranged in the shell of the window opening machine body 2. The specific structures of the transmission mechanism and the driving mechanism can refer to the prior art, and the driving mechanism is also connected to the control unit of the present embodiment. The control unit is used to control the driving unit, and the transmission mechanism is used to move under the drive of the driving mechanism to open the window sash 3 or close the window sash 3.

[0026] In this embodiment, the control unit is also connected to the locking unit 1, which is also connected between the window frame 4 and the window sash 3 of the window, and the locking unit 1 is used to move under the control of the control unit; specifically, the control unit is used to first control the locking unit 1 so that the locking unit 1 can lock and fix the window sash 3 on the window frame, and then control the window opener body 2 to drive the window sash 3 to close, that is, when closing the window, the control unit first controls the locking unit 1 to be powered on or off, and the locking unit 1 can lock and fix the window sash 3 on the window frame after being powered on or off, and the window sash 3 is still in an open state at this time, and then the control unit controls the window opener body 2 to move to close the window sash 3, and after the window sash 3 is closed, the locking unit 1 will lock and fix the window sash 3 on the window frame. This setting can effectively overcome the situation in the prior art where the window sash 3 is opened by strong wind due to the loose closure of the window sash 3.

[0027] The control unit is also used to first control the locking unit 1 to release the locking fixation between the window sash 3 and the window frame, and then control the window opening machine body 2 to drive the window sash 3 to open. That is, when opening the window, the control unit first controls the locking unit 1 to release the locking fixation between the window sash 3 and the window frame. At this time, the window sash 3 can be opened, and then the control unit controls the window opening machine body 2 to drive the window sash 3 to open.

[0028] The locking unit 1 of this embodiment is used to lock and fix the window sash 3 to the window frame 4 after the window sash 3 is closed, thereby effectively overcoming the problem in the prior art that the window sash 3 is not firmly closed and is blown open by strong wind.

[0029] In one embodiment, if Figure 2As shown, the locking unit 1 includes an electromagnetic lock 11 and an iron plate 12. The electromagnetic lock 11 is fixed on the window frame 4, and the iron plate 12 is fixed at the corresponding position of the window sash 3. The electromagnetic lock 11 is connected to the control unit. The control unit is used to first control the electromagnetic lock 11 to be powered on so that the electromagnetic lock 11 can adsorb the iron plate 12, and then control the window opener body 2 to drive the window sash 3 to close; the control unit is also used to first control the electromagnetic lock 11 to be powered off, and then control the window opener body 2 to drive the window sash 3 to open.

[0030] In this embodiment, the locking unit 1 includes an electromagnetic lock 11 and an iron plate 12. The electromagnetic lock 11 is a small mini electromagnetic lock 11. The electromagnetic lock 11 is fixed to the window frame 4 by screws, and the iron plate 12 adapted to the electromagnetic lock 11 is fixed to the window sash 3 by screws.

[0031] The electromagnetic lock 11 is a lock that loses its magnetic attraction when powered off and generates magnetic attraction when powered on. In the specific application of this embodiment, when the window needs to be closed, the control unit is first used to control the electromagnetic lock 11 to be powered on, and the electromagnetic lock 11 generates a large suction force when powered on, and then the window opener body 2 is controlled to close the window sash 3. After the window opener body 2 closes the window sash 3, the electromagnetic lock 11 is adsorbed with the iron plate 12 under the magnetic attraction, thereby achieving the purpose of locking and fixing the window sash 3 on the window frame 4.

[0032] When the window needs to be opened, the control unit first controls the electromagnetic lock 11 to be powered off. After the electromagnetic lock 11 is powered off, the electromagnetic lock 11 and the iron plate 12 are no longer attracted to each other. Then, the control unit controls the window opener body 2 to open the window sash 3.

[0033] In one embodiment, there are a plurality of electromagnetic locks 11, and the number of iron plates 12 is equal to the number of electromagnetic locks 11; each electromagnetic lock 11 is connected to the control unit. The plurality of electromagnetic locks 11 are powered on or off at the same time under the control of the control unit, and the setting of the plurality of electromagnetic locks 11 can make the window sash 3 more firmly fixed and locked on the window frame 4. In specific implementation, the number of electromagnetic locks 11 can be reasonably set according to the size of the window sash 3.

[0034] In one embodiment, if Figure 3 As shown, the control unit includes a first terminal, the VIN1 pin and the VIN2 pin of the first terminal are connected to the 86 box switch, the VIN2 pin of the first terminal is connected to the base of the second transistor, the collector of the second transistor is connected to the first pin of the main control chip, the emitter of the second transistor is grounded, and the main control chip is used to control the window opener body to open or close the window according to the level signal of the VIN2 pin of the first terminal.

[0035] Specifically, the control unit includes a first wiring terminal P1, an 86-box switch and a main control chip U3, wherein the model of the first wiring terminal P1 is PH2.0-LI-4P, the VIN1 pin and the VIN2 pin of the first wiring terminal P1 are connected to the 86-box switch, and when the 86-box switch is pressed, the +24V power supply is connected to the VIN1 pin and the VIN2 pin of the first wiring terminal P1; if the VIN2 pin of the first wiring terminal P1 is 0V, the VIN2 pin of the first wiring terminal P1 outputs a low level to the main control chip U3 through the second transistor Q2. 3; if the VIN2 pin of the first terminal P1 is 24V, the VIN2 pin of the first terminal P1 outputs a high level to the main control chip U3 through the second transistor Q2; the main control chip U3 is used to control the window opener body 2 to open or close the window according to the level signal of the VIN2 pin of the first terminal P1. For example, when the main control chip U3 receives a high level signal, the window opener body 2 is controlled to open the window, and when the main control chip U3 receives a low level signal, the window opener body 2 is controlled to close the window; the model of the main control chip U3 is ASM31X003.

[0036] Among them, a second resistor R2 is connected between the VIN2 pin of the first terminal P1 and the base of the second transistor Q2, the emitter of the second transistor Q2 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected between the base of the second transistor Q2 and the second resistor R2, and the collector of the second transistor Q2 is connected to the +5V power supply through the first resistor R1.

[0037] The first resistor R1, the second resistor R2 and the third resistor R3 are used for voltage division and current reduction. In a specific implementation, the first resistor R1 and the second resistor R2 are 10K ohms, and the third resistor R3 is 2K ohms.

[0038] Among them, the fourth pin of the main control chip U3 is connected to one end of the fourth resistor R4 and one end of the seventh capacitor C7, the other end of the fourth resistor R4 is connected to the +5V power supply, and the other end of the seventh capacitor C7 is grounded; the seventh pin of the main control chip U3 is connected to one end of the fifteenth capacitor C15, one end of the fourteenth capacitor C14 and the ground line, the other end of the fifteenth capacitor C15 is connected to the +5V power supply and the ninth pin of the main control chip U3, and the other end of the fourteenth capacitor C14 is connected to the eighth pin of the main control chip U3. The fourth resistor R4 is 10K ohms, the seventh capacitor C7 and the fifteenth capacitor C15 are both 0.1 microfarads, and the fourteenth capacitor C14 is 1 microfarad.

[0039] In one embodiment, the fifth pin and the sixth pin of the main control chip U3 are respectively connected to the third pin and the second pin of the motor driving chip U2, and the sixth pin and the eighth pin of the motor driving chip U2 are connected to the electromagnetic lock 11; when the main control chip U3 controls the window opener body 2 to open the window, the main control chip U3 drives the electromagnetic lock 11 to power on through the motor driving chip U2; when the main control chip U3 controls the window opener body 2 to close the window, the main control chip U3 drives the electromagnetic lock 11 to power on through the motor driving chip U2.

[0040] Specifically, the fifth pin of the main control chip U3 is connected to the third pin of the motor driver chip U2, and the sixth pin of the main control chip U3 is connected to the second pin of the motor driver chip U2; the sixth pin and the eighth pin of the motor driver chip U2 are connected to the electromagnetic lock 11. When the main control chip U3 receives the window opening signal, the main control chip U3 drives the electromagnetic lock 11 to cut off the power through the motor driver chip U2, so that the window opener body 2 can open the window sash; when the main control chip U3 receives the window closing signal, the main control chip U3 drives the electromagnetic lock 11 to turn on the power through the motor driver chip U2, so that the electromagnetic lock 11 can be adsorbed on the iron plate 12 after the window is closed.

[0041] Among them, the model of the motor driver chip U2 is DRV8870DDAR, the first pin of the motor driver chip U2 is grounded, the fourth pin of the motor driver chip U2 is connected to the +5V power supply, the fifth pin of the motor driver chip U2 is connected to the +24V power supply, the ninth pin of the motor driver chip U2 is grounded, and the sixteenth capacitor C16 is connected between the fifth pin and the ninth pin of the motor driver chip U2, the seventh pin of the motor driver chip U2 is connected to one end of the seventh resistor R7 and one end of the tenth resistor R10, the other end of the seventh resistor R7 is grounded, the other end of the tenth resistor R10 is connected to the third pin of the main control chip U3, the other end of the tenth resistor R10 is connected to one end of the tenth capacitor C10, and the other end of the tenth capacitor C10 is grounded.

[0042] Again, when the level signal given by the VIN2 pin of the first terminal P1 is a window opening signal, the fifth pin and the sixth pin of the main control chip U3 control the motor driver chip U2, and the sixth pin and the eighth pin of the motor driver chip U2 are connected to the electromagnetic lock 11, thereby driving the electromagnetic lock 11 to cut off power through the motor driver chip U2.

[0043] When the level signal given by the VIN2 pin of the first terminal P1 is a window closing signal, the fifth and sixth pins of the main control chip U3 control the motor driver chip U2, and the sixth and eighth pins of the motor driver chip U2 are connected to the electromagnetic lock 11, thereby driving the electromagnetic lock 11 to power on through the motor driver chip U2.

[0044] In one embodiment, the electromagnetic lock 11 is connected with a detection member (P3, P4), and the detection member (P3, P4) is connected to the main control chip U3, one of the detection members (P3 or P4) is used to detect whether the electromagnetic lock 11 is powered on, and the other detection member is used to detect whether the electromagnetic lock is powered off. Specifically, the tenth pin of the main control chip U3 is connected to one end of the nineteenth resistor R19 and one end of the twelfth capacitor C12, the other end of the nineteenth resistor R19 is connected to the +5V power supply, the other end of the twelfth capacitor C12 is grounded, the tenth pin of the main control chip U3 is connected to the positive electrode of one of the detection members, and the negative electrode of the detection member is grounded; the eleventh pin of the main control chip U3 is connected to one end of the twentieth resistor R20 and one end of the thirteenth capacitor C13, the other end of the twentieth resistor R20 is connected to the +5V power supply, the other end of the thirteenth capacitor C13 is grounded, and the eleventh pin of the main control chip U3 is connected to the positive electrode of another detection member, and the negative electrode of the detection member is grounded.

[0045] For opening the window, after one of the detection components detects that the electromagnetic lock 11 is powered off, the main control chip U3 controls the window opener body 2 to drive the window sash to open; for closing the window, after another detection component detects that the electromagnetic lock 11 is powered on, the main control chip U3 controls the window opener body 2 to drive the window sash to close.

[0046] Among them, the twentieth pin of the main control chip U3 is connected to the base of the fourth transistor Q4, the collector of the fourth transistor Q4 is connected to the anode of the third diode D3, the cathode of the third diode D3 is connected to the first pin of the first relay KM1, the collector of the fourth transistor Q4 is connected to the fourth pin of the first relay KM1, the emitter of the fourth transistor Q4 is grounded, the nineteenth pin of the main control chip U3 is connected to the base of the fifth transistor Q5, the collector of the fifth transistor Q5 is connected to the anode of the fourth diode D4, the cathode of the fourth diode D4 is connected to the fourth pin of the second relay KM2, the collector of the fifth transistor Q5 is connected to the first pin of the second relay KM2, the emitter of the fifth transistor Q5 is grounded, and the fifth pin of the first relay KM1 and the fifth pin of the second relay KM2 are connected to the window opener body.

[0047] For window opening, after the detection component detects that the electromagnetic lock 11 is powered off, the main control chip U3 controls the normally closed contacts of the first relay KM1 and the second relay KM2 to be disconnected and the normally open contacts to be closed, so that the window opener body 2 drives the window sash to open; or the main control chip U3 controls the normally closed contacts of the first relay KM1 and the second relay KM2 to be closed and the normally open contacts to be disconnected, so that the window opener body 2 drives the window sash to open. Among them, taking the first relay KM1 as an example, the fifth pin and the second pin of the first relay KM1 are connected, and the state between the fifth pin and the third pin is the state of the normally closed contact being closed and the normally open contact being disconnected.

[0048] When opening the window, the contacts of the first relay KM1 and the second relay KM2 change as follows: the normally closed contact is disconnected and the normally open contact is closed. For closing the window, after the detection component detects that the electromagnetic lock 11 is energized, the main control chip U3 controls the normally closed contacts of the first relay KM1 and the second relay KM2 to close and the normally open contacts to disconnect, so that the window opening machine body 2 drives the window sash to close.

[0049] Among them, the 20th pin of the main control chip U3 is connected to the base of the fourth transistor Q4 through the 21st resistor R21, the emitter of the fourth transistor Q4 is grounded, the emitter of the fourth transistor Q4 is connected to one end of the 22nd resistor R22, and the other end of the 22nd resistor R22 is connected between the 21st resistor R21 and the base of the fourth transistor Q4; the 19th pin of the main control chip U3 is connected to the base of the fifth transistor Q5 through the 23rd resistor R23, the emitter of the fifth transistor Q5 is grounded, the emitter of the fifth transistor Q5 is connected to one end of the 24th resistor R24, and the other end of the 24th resistor R24 ​​is connected between the 23rd resistor R23 and the base of the fifth transistor Q5. The third pin of the first relay KM1 and the third pin of the second relay KM2 are both connected to the +24V power supply.

[0050] Again, the second pins of the first relay KM1 and the second relay KM2 are connected to one end of the seventeenth resistor R17 and one end of the eighteenth resistor R18, the other end of the eighteenth resistor R18 is grounded, the other end of the seventeenth resistor R17 is connected to the sixteenth pin of the main control chip U3, the sixteenth pin of the main control chip U3 is connected to one end of the eleventh capacitor C11, and the other end of the eleventh capacitor C11 is grounded.

[0051] Again, it also includes a voltage regulator U1, a +24V power supply is connected to the Vin pin of the voltage regulator U1, a Vout pin of the voltage regulator U1 is connected to the +5V power supply, and a GND pin of the voltage regulator U1 is grounded.

[0052] It also includes a rectifier circuit, which includes a first diode D1, a second diode D2, a fifth diode D5 and a sixth diode D6. The anode of the first diode and the anode of the fifth diode are both grounded, the cathode of the first diode is connected to the anode of the second diode, the cathode of the fifth diode is connected to the anode of the sixth diode, the cathode of the second diode and the cathode of the sixth diode are both connected to a +24V power supply, the VIN1 pin of the first terminal P1 is connected between the cathode of the fifth diode and the anode of the sixth diode, and the VIN2 pin of the first terminal P1 is connected between the cathode of the first diode and the anode of the second diode.

[0053] The window opening machine of the embodiment of the utility model is provided with a control unit and a locking unit 1. The locking unit 1 can lock the window sash on the window frame under the control of the control unit, thereby effectively overcoming the situation in the prior art where the window sash 3 is not firmly closed and is blown open by strong wind.

[0054] In addition, the embodiment of the utility model also provides a window, such as Figure 1 As shown, a window opening machine according to any one of the above embodiments is connected between the window sash and the window frame of the window.

[0055] It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by technicians in the field to which the utility model belongs.

[0056] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0057] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it; although the utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or replace some or all of the technical features therein by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model, and they should all be included in the scope of the claims and description of the utility model. In particular, as long as there is no structural conflict, the various technical features mentioned in each embodiment can be combined in any way. The utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A window opener, comprising a window opener body, wherein the window opener body is connected between a window sash and a window frame of a window, and a control unit is arranged in the window opener body, wherein: The control unit is connected to a locking unit, which is connected between the window sash and the window frame. The control unit is used to first control the locking unit so that the locking unit can lock and fix the window sash on the window frame, and then control the window opener body to drive the window sash to close; the control unit is also used to first control the locking unit to release the locking fixation between the window sash and the window frame, and then control the window opener body to drive the window sash to open.

2. The window opening machine according to claim 1, characterized in that: The locking unit includes an electromagnetic lock and an iron plate, wherein the electromagnetic lock is fixed on the window frame, and the iron plate is fixed at the corresponding position of the window sash. The electromagnetic lock is connected to the control unit, and the control unit is used to first control the electromagnetic lock to be powered on so that the electromagnetic lock can absorb the iron plate, and then control the window opener body to drive the window sash to close; the control unit is also used to first control the electromagnetic lock to be powered off, and then control the window opener body to drive the window sash to open.

3. The window opening machine according to claim 2, characterized in that: There are several electromagnetic locks, and the number of the iron plates is equal to the number of the electromagnetic locks; each of the electromagnetic locks is connected to the control unit.

4. The window opening machine according to claim 2, characterized in that: The control unit includes a first wiring terminal, the VIN1 pin and the VIN2 pin of the first wiring terminal are connected to the 86 box switch, the VIN2 pin of the first wiring terminal is connected to the base of the second transistor, the collector of the second transistor is connected to the first pin of the main control chip, the emitter of the second transistor is grounded, and the main control chip is used to control the window opener body to open or close the window according to the level signal of the VIN2 pin of the first wiring terminal.

5. The window opening machine according to claim 4, characterized in that: A second resistor is connected between the VIN2 pin of the first terminal and the base of the second transistor, the emitter of the second transistor is connected to one end of the third resistor, the other end of the third resistor is connected between the base of the second transistor and the second resistor, and the collector of the second transistor is connected to a +5V power supply through the first resistor.

6. The window opening machine according to claim 4, characterized in that: The fifth pin and the sixth pin of the main control chip are respectively connected to the third pin and the second pin of the motor drive chip, and the sixth pin and the eighth pin of the motor drive chip are connected to the electromagnetic lock; When the main control chip controls the window opener body to open the window, the main control chip drives the electromagnetic lock to cut off power through the motor drive chip; When the main control chip controls the window opener body to close the window, the main control chip drives the electromagnetic lock to be powered on through the motor drive chip.

7. The window opening machine according to claim 6, characterized in that: The twentieth pin of the main control chip is connected to the base of the fourth transistor, the collector of the fourth transistor is connected to the anode of the third diode, the cathode of the third diode is connected to the first pin of the first relay, the collector of the fourth transistor is connected to the fourth pin of the first relay, the emitter of the fourth transistor is grounded, the nineteenth pin of the main control chip is connected to the base of the fifth transistor, the collector of the fifth transistor is connected to the anode of the fourth diode, the cathode of the fourth diode is connected to the fourth pin of the second relay, the collector of the fifth transistor is connected to the first pin of the second relay, the emitter of the fifth transistor is grounded, the fifth pin of the first relay and the fifth pin of the second relay are connected to the window opener body; when the electromagnetic lock is powered on or off, the main control chip controls the action of the window opener body through the first relay and the second relay.

8. The window opening machine according to claim 7, characterized in that: The third pin of the first relay and the third pin of the second relay are both connected to a +24V power supply; the twentieth pin of the main control chip is connected to the base of the fourth transistor through a twenty-first resistor, the emitter of the fourth transistor is connected to one end of the twenty-second resistor, and the other end of the twenty-second resistor is connected between the twenty-first resistor and the base of the fourth transistor; the nineteenth pin of the main control chip is connected to the base of the fifth transistor through a twenty-third resistor, the emitter of the fifth transistor is connected to one end of the twenty-fourth resistor, and the other end of the twenty-fourth resistor is connected between the twenty-third resistor and the base of the fifth transistor.

9. The window opening machine according to claim 8, characterized in that: The sixteenth pin of the main control chip is respectively connected to one end of the seventeenth resistor and one end of the eleventh capacitor, the other end of the eleventh capacitor is grounded, the other end of the seventeenth resistor is respectively connected to the second pin of the first relay, one end of the eighteenth resistor and the second pin of the second relay, and the other end of the eighteenth resistor is grounded; It also includes a voltage stabilizer, wherein the +24V power supply is connected to the Vin pin of the voltage stabilizer, the Vout pin of the voltage stabilizer is connected to the +5V power supply, and the GND pin of the voltage stabilizer is grounded.

10. A window, characterized in that: A window opening machine as described in any one of claims 1 to 9 is connected between the window sash and the window frame of the window.

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