阅读说明：本技术 隐形风扇伸缩扇叶的防脱保险视觉和听觉报警 (Anti-dropping safety vision and auditory alarm for retractable fan blade of invisible fan ) 是由 毛永波 于 2020-03-16 设计创作，主要内容包括：隐形风扇伸缩扇叶的防脱保险视觉和听觉报警,其包括：保险索、最少两级限位卡止搭扣和电机开关；其特征在于：所述的限位卡止搭扣固定连接在每节伸缩扇叶滑道一端的内侧和滑道另一端的外侧并分别最少直线阵列二个,形成最少一级卡扣二级防脱；利用保险索和拉簧双重连接在伸缩扇叶的末端节和始端节确保扇叶脱扣飞镖；同时利用拉簧收缩扇叶；且利用保险索连接风扇电机电源开关,伸缩扇叶其中一节脱扣,保险索被拉长超越伸缩扇叶的总长度而拉动电机开关断开风扇电机电源停止风扇旋转,同时利用保险索拉动LED灯开关连通电源到LED报警灯开启视觉报警,或者利用保险索拉动喇叭开关连通电源到报警喇叭开启听觉报警。(The anti-drop safety visual and auditory alarm of the retractable fan blades of the invisible fan comprises a safety cable, at least two-stage limiting and blocking buckles and a motor switch, and is characterized in that the limiting and blocking buckles are fixedly connected to the inner side of one end of each retractable fan blade slide way and the outer side of the other end of the slide way and are respectively provided with at least two linear arrays to form at least one-stage buckle and two-stage anti-drop, the safety cable and a tension spring are connected to the tail end section and the head end section of each retractable fan blade in a double mode to ensure that the fan blades are tripped, meanwhile, the fan blades are contracted by the tension spring, the safety cable is connected with a fan motor power switch, one section of the retractable fan blades is tripped, the safety cable is stretched to exceed the total length of the retractable fan blades, the motor switch is pulled to disconnect the fan motor power supply to stop the fan from rotating, meanwhile, the safety cable is used for pulling an L ED lamp switch.)

1. An anti-drop safety device for retractable fan blades of an invisible fan comprises: a safety cable (2), at least two-stage limiting clamping hasps (3) and a motor switch (4); the method is characterized in that: the limiting clamping hasp (3) is fixedly connected to the inner side of one end of a slideway of each section of telescopic fan blade (1) and the outer side of the other end of the slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling;

the safety cable (2) is connected with the tail end section of the telescopic fan blade (1) by one end point, the safety cable (2) is connected with the fixed base section or the fan hub of the telescopic fan blade (1) by the other end point, and the safety cable (2) is connected with the control valve of the motor switch (4) by the middle point (8); the motor switch (4) is preset to be communicated with a power supply to start a fan motor; the middle point (8) of the safety cable (2) is divided into a long section and a short section by the safety cable (2).

2. Another kind of stealthy fan flexible flabellum's anticreep insurance, it includes: the safety device comprises a safety cable (2), at least two-stage limiting clamping buckles (3), a motor switch (4) and a buffer; the method is characterized in that: the limiting clamping hasp (3) is fixedly connected to the inner side of one end of a slideway of each section of telescopic fan blade (1) and the outer side of the other end of the slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling;

the safety cable (2) is connected to the tail end section of the telescopic fan blade (1) through one end point, the safety cable (2) is connected to the fixed base section or the fan hub of the telescopic fan blade (1) through the other end point, the safety cable (2) is connected to the control valve of the motor switch (4) through the middle point (8), and the safety cable (2) is connected to one end of the buffer through the middle point (8); the other end of the buffer is connected with a fixed base section of the telescopic fan blade (1) or a fan hub; the motor switch (4) is preset to be communicated with a power supply to start a fan motor; the middle point (8) of the safety cable (2) is segmented into a long section and a short section by the safety cable (2); the buffer is a tension spring (33).

3. The anti-falling visual alarm for the telescopic fan blades of the invisible fan comprises a safety cable (2), at least two stages of limiting clamping buckles (3), an L ED alarm lamp (50), a motor switch (4) and a L ED lamp switch (5), and is characterized in that the limiting clamping buckles (3) are fixedly connected to the inner side of one end of a slideway of each section of telescopic fan blade (1) and the outer side of the other end of the slideway, and are respectively provided with at least two linear arrays, so that at least one stage of clamping buckle and two-stage anti-falling are formed;

the safety cable (2) is connected to the tail end section of the telescopic fan blade (1) through one end point, the safety cable (2) is connected to the fixed base section or the fan hub of the telescopic fan blade (1) through the other end point, the safety cable (2) is connected to a control valve of the motor switch (4) through the middle point (8), the safety cable (2) is connected to a control valve of the L ED lamp switch (5) through the middle point (8), the motor switch (4) is preset to be communicated with a power supply to start the fan motor, the L ED lamp switch (5) is preset to be disconnected with the power supply to be turned off, the L ED alarm lamp (50) is preset, and the middle point (8) of the safety cable (2) is divided into a long section and a short section.

4. The utility model provides a flexible flabellum's of stealthy fan anticreep audible alarm which includes: the safety device comprises a safety cable (2), at least two stages of limiting clamping buckles (3), an alarm horn (60), a motor switch (4) and a horn switch (6); the method is characterized in that: the limiting clamping hasp (3) is fixedly connected to the inner side of one end of a slideway of each section of telescopic fan blade (1) and the outer side of the other end of the slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling;

the safety cable (2) is connected with the tail end section of the telescopic fan blade (1) through one end point, the safety cable (2) is connected with the fixed base section or the fan hub of the telescopic fan blade (1) through the other end point, the safety cable (2) is connected with the control valve of the motor switch (4) through the middle point (8), and the safety cable (2) is connected with the control valve of the horn switch (6) through the middle point (8); the motor switch (4) is preset to be communicated with a power supply to start a fan motor; the horn switch (6) is preset to cut off a power supply to close the alarm horn (60); the middle point (8) of the safety cable (2) is divided into a long section and a short section by the safety cable (2).

5. The visual and audible alarm of the anti-dropping safety of the retractable fan blade of the invisible fan as claimed in claim 1, 2, 3 or 4, wherein the retractable fan blade (1) is coated or stuck with a color code alarm strip (99) on each segment of the wind blowing surface.

6. The anti-drop safety visual and audible alarm of the retractable fan blade of the invisible fan according to claim 1, 2, 3 or 4, wherein the retractable fan blade (1) is connected with the retractable fan blade and extends slowly by buffering the centrifugal force by the tension of the extension spring, and meanwhile, the retractable fan blade is tensioned to prevent a trip dart;

the telescopic fan blades (1) are respectively and adjacently connected with a tension spring (W3) by using the movable joint of each section to contract and strain the fan blades to slowly extend out of the anti-tripping dart; or the telescopic fan blades (1) share one tension spring (W1) to contract and tension the fan blades to slowly extend out to prevent the release dart.

[ technical field ] A method for producing a semiconductor device

The invention relates to a wind wheel blade, in particular to anti-dropping safety and alarm for household ceiling fan blades, large industrial ceiling fan blades and helicopter wind wheel blades.

[ background of the invention ]

The invisible fan can be more conveniently and automatically stored when the invisible fan is idle, the household environment is further concise and beautified, and the invisible fan becomes a concise furniture electrical appliance.

[ summary of the invention ]

The invention aims to provide a system device for preventing dart safety, tripping audio-visual alarm and tripping automatic fan motor power supply shutdown, wherein primary buckles of invisible telescopic fan blades are buckled and are prevented from being disengaged from each other in a secondary mode.

The invention discloses a fan blade anti-dropping device, which comprises a fan blade slideway, a fan motor power switch, a safety cable, a motor switch, a L ED lamp switch, a L ED alarm lamp, a visual alarm lamp, a horn switch, a safety cable, a telescopic fan blade power switch, a fan motor power switch, a safety switch, a fan motor power supply, a fan motor power switch, a safety switch, a horn.

The invention adopts the following technical scheme:

an anti-drop safety device for retractable fan blades of an invisible fan comprises: the safety device comprises a safety cable, at least two stages of limiting stop hasps and a motor switch; the method is characterized in that: the limiting clamping hasp is fixedly connected to the inner side of one end of each section of telescopic fan blade slideway and the outer side of the other end of each slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling;

the safety cable is connected with the tail end section of the telescopic fan blade by one end point, is connected with the fixed base section of the telescopic fan blade or the fan hub by the other end point, and is connected with the control valve of the motor switch by one point in the middle; the motor switch is preset to connect a power supply to the fan motor for starting; the middle point of the safety cable is segmented into a long section and a short section.

Another kind of stealthy fan flexible flabellum's anticreep insurance, it includes: the safety device comprises a safety cable, at least two stages of limiting stop hasps, a motor switch and a buffer; the method is characterized in that: the limiting clamping hasp is fixedly connected to the inner side of one end of each section of telescopic fan blade slideway and the outer side of the other end of each slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling;

the safety cable is connected with the tail end section of the telescopic fan blade by one end point, is connected with the fixed base section of the telescopic fan blade or the fan hub by the other end point, is connected with the control valve of the motor switch by the middle point and is connected with one end of the buffer by the middle point; the other end of the buffer is connected with a fixed base section of the telescopic fan blade or a fan hub; the motor switch is preset to connect a power supply to the fan motor for starting; the middle point of the safety cable is segmented into a long section and a short section; the buffer is a tension spring.

The anti-falling visual alarm for the retractable fan blades of the invisible fan comprises a safety cable, at least two stages of limiting clamping buckles, an L ED alarm lamp, a motor switch and a L ED lamp switch, and is characterized in that the limiting clamping buckles are fixedly connected to the inner side of one end of each section of the retractable fan blade slide way and the outer side of the other end of the slide way and are respectively provided with at least two linear arrays, so that at least one stage of clamping buckle and two stages of anti-falling are formed;

the safety cable is connected with a tail end section of the telescopic fan blade through one end point, the safety cable is connected with a fixed base section of the telescopic fan blade or a fan hub through the other end point, the middle point of the safety cable is connected with a control valve of a motor switch, the middle point of the safety cable is connected with a control valve of an L ED lamp switch, the motor switch is preset to be connected with a power supply to start a fan motor, the L ED lamp switch is preset to be disconnected with the power supply to turn off a L ED alarm lamp, and the middle point of the safety cable is divided into a long section and a short section.

The utility model provides a flexible flabellum's of stealthy fan anticreep audible alarm which includes: the safety device comprises a safety cable, at least two stages of limit stop hasps, an alarm horn, a motor switch and a horn switch; the method is characterized in that: the limiting clamping hasp is fixedly connected to the inner side of one end of each section of telescopic fan blade slideway and the outer side of the other end of each slideway, and at least two linear arrays are arranged respectively to form at least one primary buckle and two-stage anti-falling;

the safety cable is connected with the tail end section of the telescopic fan blade by one end point, is connected with the fixed base section of the telescopic fan blade or the fan hub by the other end point, is connected with the control valve of the motor switch by the middle point and is connected with the control valve of the horn switch by the middle point; the motor switch is preset to connect a power supply to the fan motor for starting; the horn switch presets to turn off a power supply to turn off the alarm horn; the middle point of the safety cable is segmented into a long section and a short section.

In the anti-drop safety vision and auditory alarm design scheme of the invisible fan telescopic fan blade, the telescopic fan blade is respectively coated or stuck with a color code alarm strip on each section of wind blowing surface.

In the anti-drop safety vision and auditory alarm design scheme of the retractable fan blades of the invisible fan, the retractable fan blades are connected with the tension spring retractable fan blades and extend out slowly by buffering the centrifugal force through the tension of the tension spring, and meanwhile, the blades are tensioned to prevent a drop dart;

the telescopic fan blades are respectively adjacently connected with a tension spring by using the movable joint of each section to contract and strain the fan blades to slowly extend out of the anti-tripping dart; or the telescopic fan blades share one tension spring to contract and tighten the fan blades to slowly extend out of the preventive tripping dart.

The invention has the beneficial effects that: the multistage buckle is prevented from tripping, the safety cable and the tension spring double-insurance ensure that the fan blade trips the dart, the fan blade trips the visual alarm or the audible alarm, and the fan blade trips the safety switch which automatically turns off the power supply of the fan motor, so that the safe operation of the fan is absolutely ensured.

The invention is described in further detail below with reference to the following detailed description and accompanying drawings:

[ description of the drawings ]

FIG. 1 is a safety cable anti-drop safety and circuit for retractable blades of an invisible fan;

FIG. 2 is a safety cable and buffer anti-falling safety and circuit for retractable blades of an invisible fan;

FIG. 3 is a visual alarm and circuit for preventing the retractable blades of the invisible fan from falling off;

FIG. 4 is an anti-drop auditory alarm and circuit for retractable blades of an invisible fan;

FIG. 5 shows that the retractable fan blade is provided with at least two stages of limiting stop buckles at two sides for limiting retraction;

FIG. 6 shows that the retractable fan blades 1 are respectively and adjacently connected with a tension spring W3 by using the movable joint of each section to retract and tension the fan blades to slowly extend out to prevent the release dart;

fig. 7 shows the anti-trip dart which is provided with the retractable fan blades 1 which share the tension spring W1 to retract and pull the fan blades to slowly extend.

[ detailed description ] embodiments

The present invention will be described in detail below with reference to examples.