CN217947259U - Power-off protection device for electromechanical equipment - Google Patents

Power-off protection device for electromechanical equipment Download PDF

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Publication number
CN217947259U
CN217947259U CN202221914683.8U CN202221914683U CN217947259U CN 217947259 U CN217947259 U CN 217947259U CN 202221914683 U CN202221914683 U CN 202221914683U CN 217947259 U CN217947259 U CN 217947259U
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China
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power
driving
protection
electromechanical
electromechanical equipment
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CN202221914683.8U
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Chinese (zh)
Inventor
巫加大
李学东
秦博
张丽敏
杨奕南
卢茂清
周群峰
赵宁
廖佳
王历斌
何嘉莹
农杏芬
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China Tobacco Guangxi Industrial Co Ltd
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China Tobacco Guangxi Industrial Co Ltd
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Abstract

The utility model discloses a power-off protection device for electromechanical device, include: the mounting seat is arranged above the electromechanical equipment and internally provided with a containing groove; the protection mechanism comprises a winding shaft arranged in the accommodating groove and an insulating protection curtain wound on the winding shaft, and is suitable for driving the winding shaft to rotate forwards or reversely so as to wind or release the insulating protection curtain, so that the insulating protection curtain is accommodated in the mounting seat or sheltered outside the electromechanical equipment; and the heat dissipation mechanism comprises an airflow driving part arranged at the bottom of the mounting seat, and the airflow driving part is suitable for providing heat dissipation airflow for the electromechanical equipment. The winding or releasing of the insulating protection curtain can be realized, the insulating protection curtain can shield the outer peripheral side of the electromechanical equipment after being released, and the electric shock hazard caused by mistaken touch of workers can be avoided under the condition that the electromechanical equipment is suddenly powered off and residual electricity exists in the electromechanical equipment; in addition, through setting up heat dissipation mechanism, can carry out timely effectual heat dissipation to this power protection device.

Description

Power-off protection device for electromechanical equipment
Technical Field
The utility model relates to an electromechanical device technical field, concretely relates to power-off protection device for electromechanical device.
Background
Electromechanical equipment generally refers to machinery, electrical equipment and electrical automation equipment, and a power-off protection device is usually installed in the electromechanical equipment at present and can automatically cut off power when the electromechanical equipment has abnormal current. However, when the electromechanical device is suddenly powered off, the interior of the electromechanical device can continuously remain electricity for a period of time, and if a worker touches the electromechanical device by mistake, electric shock is easily caused, so that life safety is damaged; in addition, the power-off protection device can generate heat during working, if the heat cannot be dissipated timely, the working temperature of the electromechanical equipment is increased, and therefore the use of the electromechanical equipment is influenced.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming electromechanical device among the prior art and inside there is the afterelectricity when cutting off the power supply suddenly, and the mistake touches probably to lead to the electric shock dangerous, and the work heat production of power protection device probably influences defects such as electromechanical device normal use.
Therefore, the embodiment of the utility model provides a power-off protection device for electromechanical device, include:
the mounting seat is arranged above the electromechanical equipment and internally provided with a containing groove;
the protection mechanism comprises a winding shaft arranged in the accommodating groove and an insulating protection curtain wound on the winding shaft, and is suitable for driving the winding shaft to rotate forwards or reversely to wind or release the insulating protection curtain so that the insulating protection curtain is accommodated in the mounting seat or sheltered outside the electromechanical equipment;
and the heat dissipation mechanism comprises an airflow driving part arranged at the bottom of the mounting seat, and the airflow driving part is suitable for providing heat dissipation airflow for the electromechanical equipment.
Optionally, two ends of the winding shaft are respectively rotatably arranged on the mounting seat through rotating shafts; the protection device further includes a drive mechanism, the drive mechanism including:
a first power component;
one end of the driving shaft is connected with the first power part, the other end of the driving shaft is rotatably connected to the mounting seat, and the extending direction of the driving shaft is vertical to the extending direction of the rotating shaft;
and the transmission component is in transmission connection between the driving shaft and the rotating shaft, and the first power component is suitable for driving the rotating shaft to rotate through the transmission component.
Optionally, the transmission component comprises a gear transmission assembly in transmission connection between the driving shaft and the rotating shaft; the gear transmission assembly includes:
the driven wheel is fixedly arranged on the rotating shaft;
the driving wheel is installed on the driving shaft and meshed with the driven wheel, and the first power part can drive the rotating shaft to rotate through the meshing transmission of the driving wheel and the driven wheel.
Optionally, the protection mechanism at least includes two sets of protection mechanisms disposed on two opposite sides of the mounting seat, and two insulation protection curtains of the two sets of protection mechanisms can block two opposite sides of the electromechanical device when released.
Optionally, the number of the gear transmission assemblies is two, and two driving wheels of the two gear transmission assemblies are arranged on the same driving shaft at set intervals;
two driven wheels of the two groups of gear transmission assemblies are respectively arranged on rotating shafts of two winding shafts in a one-to-one correspondence mode, and the two winding shafts are driven to rotate simultaneously through the same first power part.
Optionally, the two driving wheels are bevel gears, and the two driving wheels are arranged on two outer sides or two inner sides of the two driven wheels and are suitable for driving the two winding shafts to rotate in opposite directions.
Optionally, the heat dissipation mechanism comprises:
a fan blade;
the mounting frame is arranged on the mounting seat and is suitable for mounting the fan blades;
the second power component is connected with the fan blades and is suitable for providing power for the rotation of the fan blades.
Optionally, an installation space suitable for accommodating and installing the heat dissipation mechanism is arranged at the bottom of the installation seat, and an air inlet communicated with the inside and the outside of the installation space is formed in the installation seat;
and/or a plurality of heat dissipation holes are formed in the insulating protection curtain.
Optionally, the insulating protective curtain is a rubber curtain.
Optionally, a power-off early-warning device is arranged on the outer side of the top of the mounting seat.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a power-off protection device, through setting up the rolling axle and coiling the insulating protection curtain on the rolling axle, can pass through drive the rolling axle is forward or the antiport, realizes the rolling or the release of insulating protection curtain, and insulating protection curtain can shelter from the periphery side at electromechanical device after the release, can avoid because of the staff mistake touches the electric shock danger that leads to under the circumstances that there is surplus electricity in electromechanical device outage suddenly inside; in addition, through setting up heat dissipation mechanism, can carry out timely effectual heat dissipation to this power protection devices, avoid leading to electromechanical device temperature rising because of the heat accumulation to influence normal use.
2. The utility model discloses in same first power part accessible correspond two sets of gear drive subassemblies that set up, two rolling axles of simultaneous drive are each other reverse rotation to can drive the same rolling or the release of two epaxial insulating protective curtain of rolling simultaneously, transmission control is reliable, and compare in carrying out independent drive control in the rolling axle to in every group protection machanism, drives two rolling axles more energy saving and the uniformity is higher simultaneously through a power part in this embodiment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a power-off protection device for an electromechanical device provided in an embodiment of the present invention;
FIG. 2 isbase:Sub>A sectional view taken along line A-A of the power cutoff protection device for an electromechanical device in FIG. 1;
fig. 3 is a side view of a power-off protection device for an electromechanical device provided in an embodiment of the present invention.
Description of reference numerals:
100. an electromechanical device;
1. a mounting seat; 11. accommodating grooves;
21. a winding shaft; 211. a rotating shaft; 22. an insulating protective curtain;
3. a heat dissipation mechanism; 31. a fan blade; 32. a mounting frame;
41. a first power component; 42. a drive shaft; 43. a transmission member; 431. a driven wheel; 432. a driving wheel;
5. and (5) powering off an early warning device.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 3, an embodiment of the present invention provides a power-off protection device for an electromechanical device, which includes a mounting base 1, a protection mechanism, and a heat dissipation mechanism 3; specifically, the mounting seat 1 is arranged above the electromechanical device 100 and has a receiving groove 11 therein; the protection mechanism comprises a winding shaft 21 arranged in the accommodating groove 11 and an insulating protection curtain 22 wound on the winding shaft 21, and is suitable for realizing winding or releasing of the insulating protection curtain 22 by driving the winding shaft 21 to rotate forwards or reversely so that the insulating protection curtain 22 is accommodated in the mounting seat 1 or sheltered outside the electromechanical device 100; the heat dissipation mechanism 3 includes an airflow driver disposed at the bottom of the mounting base 1, and the airflow driver is adapted to provide a heat dissipation airflow to the electromechanical device 100.
In the power-off protection device in the embodiment, by arranging the winding shaft 21 and the insulating protection curtain 22 wound on the winding shaft 21, the winding or releasing of the insulating protection curtain 22 can be realized by driving the winding shaft 21 to rotate in the forward direction or the reverse direction, and the insulating protection curtain 22 can shield the outer peripheral side of the electromechanical device 100 after being released, so that the electric shock hazard caused by the mistaken touch of a worker can be avoided under the condition that the electromechanical device 100 is suddenly powered off and residual electricity exists in the electromechanical device; in addition, by arranging the heat dissipation mechanism 3, the power-off protection device can be effectively dissipated in time, and the influence on normal use caused by the temperature rise of the electromechanical device 100 due to heat accumulation is avoided.
Optionally, two ends of the winding shaft 21 are rotatably disposed on the mounting seat 1 through rotating shafts 211, respectively; the protection device further comprises a driving mechanism, wherein the driving mechanism comprises a first power component 41, a driving shaft 42 and a transmission component 43; one end of the driving shaft 42 is connected with the first power component 41, the other end is rotatably connected with the mounting base 1, and the extending direction of the driving shaft 42 is vertical to the extending direction of the rotating shaft 211; the transmission member 43 is drivingly connected between the driving shaft 42 and the rotating shaft 211, and the first power member 41 is adapted to drive the rotating shaft 211 to rotate through the transmission member 43. Alternatively, the first power component 41 is an electric motor. With such an arrangement, the first power component 41 can drive the rotating shaft 211 to move through the driving shaft 42 and the transmission component 43, and drive the winding shaft 21 to rotate forward or backward, so as to wind or release the insulating protective curtain 22.
Optionally, the transmission part 43 comprises a gear transmission assembly which is in transmission connection between the driving shaft 42 and the rotating shaft 211; the gear transmission assembly comprises a driving wheel 432 and a driven wheel 431, and the driven wheel 431 is fixedly arranged on the rotating shaft 211; the driving wheel 432 is mounted on the driving shaft 42 and is engaged with the driven wheel 431, and the first power member 41 can drive the rotating shaft 211 to rotate through the engagement transmission between the driving wheel 432 and the driven wheel 431.
Optionally, the protection mechanism includes at least two sets of protection mechanisms disposed on two opposite sides of the mounting base 1, and two insulating protection curtains 22 of the two sets of protection mechanisms may shade two opposite sides of the electromechanical device 100 when released.
Optionally, the two sets of gear transmission assemblies are provided, and two driving wheels 432 of the two sets of gear transmission assemblies are disposed on the same driving shaft 42 at a set interval; the two driven wheels 431 of the two sets of gear transmission assemblies are respectively arranged on the rotating shafts 211 of the two winding shafts 21 in a one-to-one correspondence manner, and are suitable for driving the two winding shafts 21 to rotate simultaneously through the same first power part 41. Optionally, the driving wheels 432 are bevel gears, and the two driving wheels 432 are disposed on two outer sides or two inner sides of the two driven wheels 431 and adapted to drive the two winding shafts 21 to rotate in opposite directions. Preferably, the two driving wheels 432 are disposed at two outer sides of the two driven wheels 431.
So set up, it is same first power component 41 accessible corresponds two sets of gear drive subassemblies that set up, drives two rolling axles 21 each other for reverse rotation simultaneously to can drive insulating protective curtain 22 on two rolling axles 21 simultaneously and together roll up or release, transmission control is reliable, and compare in carrying out independent drive control to rolling axle 21 in every protection machanism, drives two rolling axles 21 more energy saving and the identity is higher simultaneously through a power component in this embodiment.
In this embodiment, the distance between the two winding shafts 21 is greater than the width of the electromechanical device 100, so that the two insulating protective curtains 22 thereon can be shielded on two outer sides of the electromechanical device 100 when being released.
In this embodiment, electromechanical device 100 includes the electromechanical case, the dorsal part of electromechanical case is equipped with the insulated wire who is suitable for being connected with external power source, and foretell two sets of protection mechanism distribute in the left and right sides of electromechanical case, in a preferred embodiment, protection mechanism still includes the protection mechanism of third group, and not shown in the figure, the protection mechanism of third group locate with the relative front side of dorsal part of electromechanical case to make protection mechanism can protect electromechanical device 100's the left and right sides and the three position of front side, the protecting effect is better.
Specifically, two ends of the winding shaft 21 of the third group of protection mechanisms are in transmission connection with at least one of the winding shafts 21 of the other two protection mechanisms through a gear transmission assembly, so that the insulating protective curtains 22 of the three groups of protection mechanisms can be synchronously driven to wind or release through the same first power component 41.
Of course, in another modified embodiment, the driving shaft 42 may be used as a winding shaft of the fourth set of protection mechanisms, and the insulating protection curtains 22 are provided thereon, so that the winding or releasing of the insulating protection curtains 22 of the fourth set of protection mechanisms can be synchronously driven only by the same first power member 41, and the fully-enclosed protection can be performed from four directions, i.e., front, back, left, and right directions of the electromechanical device 100, and the safety is better and the cost is lower.
Optionally, the heat dissipation mechanism 3 includes a fan blade 31, a mounting bracket 32 and a second power component, specifically, the mounting bracket 32 is disposed on the mounting base 1 and is adapted to mount the fan blade 31; the second power component is connected with the fan blade 31 and is suitable for providing power for the rotation of the fan blade 31. By arranging the fan blades 31 on the mounting base 1, the fan blades 31 can rotate on the mounting frame 32 to dissipate heat, and the heat inside the electromechanical device 100 is prevented from being accumulated to influence normal operation.
Optionally, the second power component is an electric motor.
Optionally, the first power component 41 and the second power component are both electrically connected to an external power source and a controller; optionally, the controller is a single chip microcomputer; preferably, the model of the single chip microcomputer is STM32.
Optionally, the bottom of the mounting seat 1 is provided with a mounting space adapted to accommodate and mount the heat dissipation mechanism 3, and the mounting seat 1 is provided with an air inlet communicating the inside and the outside of the mounting space.
Optionally, a plurality of heat dissipation holes are formed in the insulating protective curtain 22, so that a heat dissipation effect can be further achieved, and a damage result caused by insufficient heat dissipation after the electromechanical device 100 is powered off is prevented. Optionally, the insulating protective curtain 22 is a rubber curtain. Optionally, the bottom end of the insulating protective curtain 22 can touch the ground after being released, and after being released, the insulating protective curtain 22 can droop under the action of gravity and can sufficiently shield the electromechanical device 100, so that the electromechanical device 100 is prevented from being exposed, and the protective effect is achieved.
Optionally, a power-off early-warning device 5 is arranged on the outer side of the top of the mounting seat 1.
The working principle of the power-off protection device in the embodiment is as follows: when the electromechanical device 100 is powered off, the power-off detection sensor transmits a power-off signal to the controller, the controller controls the first power part 41 to start after receiving the power-off signal, the first power part 41 drives the driving shaft 42 to rotate, the driving shaft 42 drives the two winding shafts 21 to move in opposite directions through the two groups of gear transmission assemblies, so that the insulating protective curtains 22 are released together, the insulating protective curtains 22 droop under the action of gravity and can sufficiently shield the electromechanical device 100, and the electric shock hazard caused by mistaken touch of workers is avoided; in addition, the controller starts the second power component, so as to drive the fan blade 31 to rotate and dissipate heat in time, and prevent heat in the electromechanical device 100 from gathering to influence normal operation; meanwhile, the controller controls the power-off early warning device 5 to start and alarm, so that the warning effect is achieved, and workers are reminded of maintaining timely.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (10)

1. A power-off protection device for electromechanical equipment, comprising:
the mounting seat (1) is arranged above the electromechanical equipment (100) and is internally provided with a containing groove (11);
the protection mechanism comprises a winding shaft (21) arranged in the accommodating groove and an insulating protection curtain (22) wound on the winding shaft (21), and is suitable for realizing winding or releasing of the insulating protection curtain (22) by driving the winding shaft (21) to rotate forwards or reversely so that the insulating protection curtain (22) is accommodated in the mounting seat (1) or shielded outside the electromechanical equipment (100);
the heat dissipation mechanism (3) comprises an airflow driving part arranged at the bottom of the mounting seat (1), and the airflow driving part is suitable for providing heat dissipation airflow for the electromechanical device (100).
2. The power-off protection device for electromechanical equipment according to claim 1, wherein both ends of the winding shaft (21) are rotatably disposed on the mounting base (1) through rotating shafts (211), respectively; the protection device further includes a drive mechanism, the drive mechanism including:
a first power component (41);
a driving shaft (42), one end of which is connected with the first power component (41), the other end of which is rotatably connected with the mounting base (1), and the extending direction of the driving shaft (42) is vertical to the extending direction of the rotating shaft (211);
the transmission component (43) is in transmission connection between the driving shaft (42) and the rotating shaft (211), and the first power component (41) is suitable for driving the rotating shaft (211) to rotate through the transmission component (43).
3. The power-off protection device for electromechanical device according to claim 2, wherein said transmission member (43) comprises a gear transmission assembly drivingly connected between said drive shaft (42) and a rotating shaft (211); the gear transmission assembly includes:
a driven wheel (431) fixedly arranged on the rotating shaft (211);
and the driving wheel (432) is arranged on the driving shaft (42) and is meshed with the driven wheel (431), and the first power part (41) can drive the rotating shaft (211) to rotate through the meshing transmission of the driving wheel (432) and the driven wheel (431).
4. The power failure protection device for electromechanical equipment according to claim 3, wherein the protection mechanism comprises at least two sets of protection mechanisms disposed on opposite sides of the mounting base (1), and two insulating protection curtains (22) of the two sets of protection mechanisms can shade opposite sides of the electromechanical equipment (100) when released.
5. The power failure protection device for electromechanical device according to claim 4, wherein said gear transmission assemblies are two sets, two driving wheels (432) of said two sets of gear transmission assemblies are disposed on the same driving shaft (42) at a set interval;
two driven wheels (431) of the two groups of gear transmission assemblies are respectively arranged on rotating shafts (211) of two winding shafts (21) in a one-to-one correspondence mode and are suitable for driving the two winding shafts (21) to rotate simultaneously through the same first power part (41).
6. The power failure protection device for electromechanical device according to claim 5, wherein said driving wheels (432) are bevel gears, and two driving wheels (432) are disposed at two outer sides or two inner sides of said two driven wheels (431) and adapted to drive said two winding shafts (21) to rotate in opposite directions.
7. The power failure protection device for electromechanical devices according to any of claims 1 to 6, wherein said heat dissipating mechanism (3) comprises:
a fan blade (31);
a mounting frame (32) arranged on the mounting base (1) and suitable for mounting the fan blade (31);
and the second power component is connected with the fan blades (31) and is suitable for providing power for the rotation of the fan blades (31).
8. The power-off protection device for the electromechanical device according to any one of claims 1 to 6, wherein a mounting space adapted to accommodate the heat dissipation mechanism (3) is provided at the bottom of the mounting base (1), and an air inlet communicating the inside and the outside of the mounting space is provided on the mounting base (1);
and/or a plurality of heat dissipation holes are formed in the insulating protective curtain (22).
9. Power-off protection device for electromechanical apparatuses according to any of claims 1 to 6, characterized in that said insulating protective curtain (22) is a rubber curtain.
10. Power-off protection device for electromechanical equipment according to any of claims 1 to 6, characterized in that a power-off early-warning device (5) is arranged on the top outside of the mounting seat (1).
CN202221914683.8U 2022-07-21 2022-07-21 Power-off protection device for electromechanical equipment Active CN217947259U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221914683.8U CN217947259U (en) 2022-07-21 2022-07-21 Power-off protection device for electromechanical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221914683.8U CN217947259U (en) 2022-07-21 2022-07-21 Power-off protection device for electromechanical equipment

Publications (1)

Publication Number Publication Date
CN217947259U true CN217947259U (en) 2022-12-02

Family

ID=84222370

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221914683.8U Active CN217947259U (en) 2022-07-21 2022-07-21 Power-off protection device for electromechanical equipment

Country Status (1)

Country Link
CN (1) CN217947259U (en)

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