CN109862727B - Protective device for electrical equipment and electrical equipment - Google Patents
Protective device for electrical equipment and electrical equipment Download PDFInfo
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- CN109862727B CN109862727B CN201910166383.2A CN201910166383A CN109862727B CN 109862727 B CN109862727 B CN 109862727B CN 201910166383 A CN201910166383 A CN 201910166383A CN 109862727 B CN109862727 B CN 109862727B
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- 238000000429 assembly Methods 0.000 claims description 5
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- 239000000428 dust Substances 0.000 abstract description 7
- 241001465754 Metazoa Species 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000001012 protector Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 230000005540 biological transmission Effects 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
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- 238000005859 coupling reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
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Abstract
The application discloses protection device and electrical equipment of electrical equipment. The protective device of the electrical equipment comprises protective cloth; a bracket assembly; the bracket component is provided with a groove for accommodating protective cloth; the scroll component is arranged in the groove; one end of the protective cloth is connected with the scroll component through a coil spring; the driving assembly is arranged on the bracket assembly; the other end of the protective cloth is connected with the driving assembly through the telescopic assembly; when the protective cloth is accommodated in the groove, the protective cloth is wound on the reel assembly under the action of the coil spring; the drive assembly is used for driving the telescopic assembly to stretch out the other end of the protective cloth out of the groove, so that the protective cloth is unfolded to protect a protective opening of the electrical equipment, the contact channel between the inside of the electrical equipment and the external environment is blocked, the entering of dust or small animals and the like can be reduced, the abrasion of components inside the electrical equipment is avoided, and the service life of the electrical equipment is prolonged.
Description
Technical Field
The application relates to the technical field of electrical equipment protection, in particular to a protection device of electrical equipment and the electrical equipment.
Background
Many electrical equipment all have air outlet, thermovent etc. with external environment contact, when using in the environment of abominable comparison, have inside many dusts and toy get into electrical equipment through electrical equipment's air outlet, thermovent etc. inside, through long-time accumulation, can seriously harm or wear and tear the inside components and parts of electrical equipment, reduce electrical equipment's life.
For example, a top-outlet cooling machine in the related art is generally used in a factory with a harsh environment, a top cover part with an air outlet is arranged at the top of the cooling machine, dust and small animals can easily enter gaps between components of the cooling machine from the top cover part, so that the components inside the cooling machine are worn in the working process, and the service life of the cooling machine is affected.
Disclosure of Invention
The utility model aims at providing an electrical equipment's protector and electrical equipment to dust or toy lead to the problem that the wearing and tearing lead to the fact the life to reduce through getting into electrical equipment inside such as air outlet, thermovent in the solution correlation technique.
The purpose of the application is realized by the following technical scheme:
a protective device for electrical equipment, comprising:
protective cloth;
a bracket assembly; the bracket component is provided with a groove for accommodating the protective cloth;
the reel assembly is arranged in the groove; one end of the protective cloth is connected with the scroll component through a coil spring;
the driving assembly is arranged on the bracket assembly; the other end of the protective cloth is connected with the driving assembly through a telescopic assembly;
when the protective cloth is stored in the groove, the protective cloth is wound on the reel assembly under the action of the coil spring;
the driving assembly is used for driving the telescopic assembly to enable the other end of the protective cloth to extend out of the groove, so that the protective cloth is unfolded to protect a protective opening of the electrical equipment.
Optionally, the driving assembly is further configured to drive the telescopic assembly to retract the other end of the protection cloth into the groove, so that the protection cloth is automatically wound and returned to release the protection under the action of the coil spring.
Optionally, the reel assembly includes a first reel and a second reel;
the first reel is fixedly connected to the bracket assembly;
the second reel is a hollow shaft; the second reel is sleeved on the first reel; a first clamping groove is formed in the outer side wall of the second reel;
the outer end of the coil spring is connected with one end of the protective cloth, and the inner end of the coil spring is clamped in the first clamping groove of the second scroll; the protective cloth is wound on the second reel.
Optionally, the reel assembly further includes two clamp springs fixed on the first reel; the second reel is located between the two clamp springs.
Optionally, two annular second clamping grooves are formed in the outer side wall of the first reel; the clamp spring is fixed on the first scroll through the second clamping groove.
Optionally, the bracket assembly includes two support plates disposed in the groove; one end of the first reel is fixedly connected to one of the supporting plates, and the other end of the first reel is fixedly connected to the other supporting plate.
Optionally, the telescopic assembly includes a third reel and two connecting rod assemblies respectively arranged at two ends of the third reel in a one-to-one correspondence manner; wherein:
the other end of the protective cloth is fixedly connected to the third reel;
the connecting rod assembly comprises a first connecting rod and a second connecting rod; one end of the first connecting rod is rotatably connected with one end of the second connecting rod through a rotating pin structure;
one end of the third scroll is movably connected with the other end of the first connecting rod in one connecting rod assembly through a fastener, and the other end of the third scroll is movably connected with the other end of the first connecting rod in the other connecting rod assembly through a fastener;
the other end of the second connecting rod of the connecting rod component is connected with the driving component;
when the protective cloth is stored in the groove, the first connecting rod, the second connecting rod and the third reel are folded and contracted;
the driving assembly is specifically configured to drive the second connecting rod to rotate outward of the groove, fold and unfold the first connecting rod, the second connecting rod, and the third reel to extend the other end of the protective cloth out of the groove, and drive the second connecting rod to rotate inward of the groove, fold and retract the first connecting rod, the second connecting rod, and the third reel to retract the other end of the protective cloth into the groove.
Optionally, the fastener is a bolt.
Optionally, a gasket is sleeved on the bolt.
Optionally, two mounting holes are formed in the side wall of the groove;
the drive assembly, comprising: two driving sub-assemblies which are respectively arranged in one-to-one correspondence with two ends of the third reel;
the driving subassembly comprises a cam, a concave wheel and a mounting shaft which are positioned in the groove, and a driving motor which is positioned outside the groove;
the driving motor is fixedly connected to the bracket assembly; a rotating shaft of the driving motor penetrates through the mounting hole and extends into the groove;
the concave wheel and the cam are hollow cylinders, one of the concave wheel and the cam is sleeved on one end of the mounting shaft and is radially and fixedly connected, and the other concave wheel and the cam are sleeved on a rotating shaft of the driving motor and are radially and fixedly connected; the concave part of the concave wheel is meshed with the convex part of the cam;
the other end of the mounting shaft is radially and fixedly connected with the other end of the second connecting rod;
the driving motor is used for driving the engaged concave wheel and the cam to rotate along a first direction through rotating along the first direction, and driving the engaged concave wheel and the cam to rotate along a second direction through rotating along the second direction;
the mounting shaft is used for driving the second connecting rod to rotate towards the outside of the groove when the engaged concave wheel and the engaged cam rotate along the first direction, and driving the second connecting rod to rotate towards the inside of the groove when the engaged concave wheel and the engaged cam rotate along the second direction.
Optionally, the driving motor is a power-off self-locking motor.
Optionally, the radial fixed connection mode is connection through a buckle structure; the buckle structure comprises a buckle and a clamping groove which extend along the axial direction.
Optionally, the device further comprises a baffle;
when the protective cloth is unfolded, the baffle surrounds the protective cloth.
Optionally, the system further comprises a control main board;
the control main board is connected with the driving motor and is used for sending a first control instruction to the driving motor and sending a second control instruction to the driving motor;
the driving motor is specifically configured to rotate in the first direction when receiving the first control instruction, and rotate in the second direction when receiving the second control instruction.
Optionally, the control main board is specifically configured to, when detecting a signal for turning off the electrical device, first control to turn off the electrical device, and then send a first control instruction to the driving motor; and when a signal for starting the electrical equipment is detected, a second control instruction is sent to the driving motor firstly, and then the electrical equipment is controlled to be started.
Optionally, the protection device further comprises a limit switch arranged at a position on the baffle plate, which is in contact with the other end of the protection cloth;
the control main board is connected with the limit switch and is also used for detecting a signal of the limit switch when the time for sending the first control instruction exceeds a first preset time length, and sending an alarm if the signal of the limit switch is not detected;
when the electrical equipment is controlled to be started, the control main board is specifically used for detecting the signal of the limit switch when the time for sending the second control instruction exceeds a second preset time length, and controlling to start the electrical equipment if the signal of the limit switch is not detected; and if the signal of the limit switch is detected, an alarm is sent out.
Optionally, the device further comprises a spring sleeved on the mounting shaft;
the spring is used for pressing the concave wheel and the cam which are meshed with each other.
Optionally, the spring has magnetism;
further comprising: the electromagnetic coil is arranged corresponding to the spring; the electromagnetic coil is fixedly connected to the bracket component and is positioned at one end of the spring, which is far away from the concave wheel and the cam which are engaged;
the control main board is also connected with the electromagnetic coil and is also used for switching on the electromagnetic coil when detecting the signal of the limit switch and giving an alarm;
and the electromagnetic coil is used for attracting the spring to contract after being switched on so as to reduce the extrusion of the engaged concave wheel and the cam.
Optionally, the electromagnetic coil is fixedly connected to the outside of the bracket assembly.
An electrical device having a protective opening; a protective device is arranged on the protective opening; the protective device is a protective device for electrical equipment as described in any one of the above.
Optionally, the electrical equipment is a cooling machine; the protective opening is an air outlet.
Optionally, the cooler is a top-outlet cooler.
This application adopts above technical scheme, has following beneficial effect:
the embodiment of the application provides a protective device of electrical equipment, which comprises protective cloth and a bracket component, wherein the bracket component is provided with a groove for accommodating the protective cloth, one end of the protective cloth is connected to a scroll component in the groove through a coil spring, and the coil spring can continuously provide larger restoring force in a narrow space, and based on the characteristic of the coil spring, the protective cloth can be automatically wound on the scroll component under the action of the coil spring so as to be accommodated in the groove, a driving component is also arranged on the bracket component, the other end of the protective cloth is connected with the driving component through a telescopic component, after the electrical equipment is shut down, the telescopic component can be driven by the driving component to extend the other end of the protective cloth out of the groove, the protective cloth accommodated in the groove can be unfolded under the action of the telescopic component, the protection of a protective opening of the electrical equipment is realized, and a contact channel between the interior of the electrical equipment, the entering of dust or small animals and the like can be reduced, and the abrasion to the components in the electrical equipment is avoided, so that the service life of the electrical equipment is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded schematic view of a protection device of an electrical apparatus according to an embodiment of the present application.
Fig. 2 is a schematic structural diagram of a protection device of an electrical apparatus provided in an embodiment of the present application in a protection state.
Fig. 3 is a schematic structural diagram of an electrical equipment in a state where a protection device of the electrical equipment is released from protection according to an embodiment of the present application.
Fig. 4 is a schematic circuit structure diagram of a protection device of an electrical apparatus according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail below. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without making any creative effort, shall fall within the protection scope of the present application.
Examples
Referring to fig. 1, fig. 1 is an exploded schematic structural view of a protection device of an electrical apparatus according to an embodiment of the present disclosure.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a protection device of an electrical apparatus provided in an embodiment of the present application in a protection state.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a protection device of an electrical apparatus in an unprotected state according to an embodiment of the present application.
The protection device for electrical equipment provided by the present embodiment, as shown in fig. 1 to 3, includes:
a protective cloth 10;
a bracket assembly 20; the bracket assembly 20 has a recess 21 for receiving the protective cloth 10;
a reel assembly 30 disposed in the recess 21; one end of the protection cloth 10 is connected with the reel assembly 30 through a coil spring (not shown in the figure);
a driving assembly 40 disposed on the bracket assembly 20; the other end of the protective cloth 10 is connected with the driving assembly 40 through the telescopic assembly 50;
when the protective cloth 10 is accommodated in the groove 21, the protective cloth 10 is wound on the reel assembly 30 under the action of the coil spring;
and the driving assembly 40 is used for driving the telescopic assembly 50 to extend the other end of the protective cloth 10 out of the groove 21, so that the protective cloth 10 is unfolded to protect the protective opening 60 of the electrical equipment.
Wherein, the size of protection cloth sets up according to the protection mouth, will guarantee to cover the protection mouth at least.
The protection device of the electrical equipment comprises protection cloth and a bracket component with a groove for accommodating the protection cloth, wherein one end of the protection cloth is connected to a scroll component in the groove through a coil spring, and the coil spring can continuously provide larger restoring force in a narrow space, and based on the characteristic of the coil spring, the protection cloth can be automatically wound on the scroll component under the action of the coil spring so as to be accommodated in the groove, because the bracket component is also provided with a driving component, the other end of the protection cloth is connected with the driving component through a telescopic component, after the electrical equipment is shut down, the other end of the protection cloth can extend out of the groove through the driving component to drive the telescopic component, the protection cloth accommodated in the groove can be unfolded under the action of the telescopic component, the protection of a protection port of the electrical equipment is realized, and a contact channel between the interior of the electrical equipment and the external environment is blocked, the entering of dust or small animals and the like can be reduced, and the abrasion to the components in the electrical equipment is avoided, so that the service life of the electrical equipment is prolonged. The protection device is very simple and convenient to install, only the protection device is required to be installed on the protection opening, and the change of the electrical equipment is small.
When the electric equipment needs to be opened, the protection can be released, and correspondingly, the driving assembly 40 is also used for driving the telescopic assembly 50 to retract the other end of the protection cloth 10 into the groove 21, so that the protection cloth 10 is automatically wound and returned under the action of the coil spring to release the protection.
The protection device for electrical equipment of the embodiment of the application can be applied to but not limited to protection of electrical equipment with protection openings such as air outlets and heat dissipation openings, for example, the electrical equipment can be a cooling machine (such as a water cooling machine) and the like. Correspondingly, the protection mouth of cooler is the air outlet, and no matter the cooler of top air-out or side air-out all is suitable for the scheme of this application, to the cooler of top air-out, because the influence that receives dust, toy etc. is great, and the effect is more obvious.
The specific structure of each component in the protective device of the electrical apparatus is described in more detail below.
There are various specific structures of the reel assembly, and one specific structure of the reel assembly 30, as shown in fig. 1, includes a first reel 31 and a second reel 32; the first reel 31 is fixedly connected to the bracket assembly 20; the second reel 32 is a hollow shaft; the second reel 32 is sleeved on the first reel 31; a first clamping groove 35 is arranged on the outer side wall of the second reel 32; the outer end of the coil spring is connected with one end of the protective cloth, and the inner end of the coil spring is clamped in the first clamping groove 35 of the second scroll 32; the protective cloth 10 is wound on the second reel 32. Since the second winding shaft 32 is sleeved on the first winding shaft 31, and the first winding shaft 31 is fixed on the bracket assembly 20, the second winding shaft 32 can rotate around the first winding shaft 31 under the action of the coil spring, so as to wind the protective cloth 10.
Wherein the first reel 31 may be a solid shaft.
Since the protective cloth is rotatable in the radial direction along with the second reel, optionally, the first locking groove 35 is a locking groove extending in the axial direction to prevent the inner end of the coil spring from moving in the radial direction.
Wherein the outer end of the coil spring may be, but is not limited to, connected to one end of the protection cloth by the adhesive.
In order to avoid the protective cloth moving axially on the first reel, optionally, as shown in fig. 1, the reel assembly 30 may further include two clamp springs 33 fixed on the first reel 31; the second reel 32 is located between two circlips 33. The second reel 32 wound with the protective cloth is clamped in the middle by the two clamp springs 33, so that the second reel cannot swing along the axial direction and is more stable.
In order to further increase the stability, two annular second locking grooves 34 are arranged on the outer side wall of the first reel 31; the latch spring 33 is fixed to the first spool 31 by the second latch groove 34. Since the circlip 33 is clamped in the annular second clamping groove 34, the circlip cannot move on the first reel 31 in the axial direction, and thus the stability is improved.
The above is only a specific structure of the reel assembly, and other structures can be adopted as long as the automatic winding and returning of the protective cloth can be realized, and the description is omitted here.
The specific structure of the bracket assembly is also various, wherein one specific structure of the bracket assembly 20 may be, as shown in fig. 1, including two supporting plates 22 disposed in the groove 21; one end of the first reel 31 is fixedly coupled to one support plate 22 and the other end is fixedly coupled to the other support plate 22.
Wherein, the shape of the supporting plate can be L-shaped, one end of the supporting plate 22 is fixedly connected on the side wall of the groove 21, and the other end is fixedly connected with the first reel. Therefore, the area of the L-shaped supporting plate fixed on the inner wall of the groove is larger, and the L-shaped supporting plate is more firmly fixed.
Wherein the support plate can be fixed on the inner wall of the groove by bolts and the like.
Wherein, can set up the through-hole on the backup pad 22, correspondingly, the second draw-in groove 34 of the one end of first reel 31 can block in the through-hole department of a backup pad 22 and be blocked by jump ring 33 and in order to realize fixed connection, and the second draw-in groove 34 of the other end can block in the through-hole department of another backup pad 22 and be blocked by jump ring 33 and in order to realize fixed connection.
The above is only a specific structure of the bracket assembly, and other structures can be adopted as long as the fixing of the reel assembly can be realized, and the details are not repeated here.
The specific structure of the telescopic assembly may be various, and as shown in fig. 1, the telescopic assembly 50 includes a third reel 51, and two connecting rod assemblies respectively corresponding to two ends of the third reel 51; wherein: the other end of the protective cloth 10 is fixedly connected to the third reel 51; the link assembly includes a first link 52 and a second link 53; one end of the first link 52 is rotatably connected with one end of the second link 53 by a rotation pin structure; one end of the third scroll 51 is movably connected with the other end of the first connecting rod 52 in one connecting rod assembly through a fastener, and the other end is movably connected with the other end of the first connecting rod 52 in the other connecting rod assembly through a fastener; the other end of the second link 53 of the linkage assembly is connected with the driving assembly 40; when the protective cloth 10 is accommodated in the groove 21, the first connecting rod 52, the second connecting rod 53 and the third reel 51 are folded and contracted; the driving assembly 40 is specifically configured to drive the second link 53 to rotate toward the outside of the groove 21, to fold and unfold the first link 52, the second link 53 and the third reel 51 to extend the other end of the protective cloth 10 out of the groove 21, and to drive the second link 53 to rotate toward the groove 21, to fold and retract the first link 52, the second link 53 and the third reel 51 to retract the other end of the protective cloth 10 into the groove.
Wherein the rotation pin structure comprises a rotation pin 54 and a rotation pin sleeve 55.
Wherein the other end of the protective cloth 10 is wound on a third reel.
Because the second connecting rod passes through rotating pin structure rotatable coupling with first connecting rod, when the second connecting rod outwards rotated the recess, can drive first connecting rod and outwards move to the recess too, because first connecting rod and third spool pass through fastener movably to be connected, when first connecting rod outwards moved to the recess, can drive the third spool and outwards move to the recess too to with the folding expansion of first connecting rod, second connecting rod and third spool, correspondingly, the other end of protection cloth just is taken by the third spool and is stretched out the recess and expand. When the second connecting rod rotates towards the groove, the first connecting rod can be driven to move towards the groove, when the first connecting rod moves towards the groove, the third reel can be driven to move towards the groove, and therefore the first connecting rod, the second connecting rod and the third reel can be folded and contracted, as shown in fig. 3, correspondingly, the other end of the protective cloth is driven by the third reel to retract into the groove, and the protective cloth can be wound to return.
Wherein the fastener may be, but is not limited to, a bolt 57.
In order to protect the third reel and the protection cloth from being fastened and damaged, a washer 56 may be sleeved on the bolt 57.
The above is only a specific structure of the telescopic assembly, and other structures can be adopted as long as the extension and retraction of the protective cloth can be realized, and the details are not repeated here.
The specific structure of the driving assembly is also various, and in some embodiments, two mounting holes 23 are formed in the side wall of the groove; accordingly, a drive assembly 40 may include: two drive subassemblies provided in one-to-one correspondence with the two ends of the third reel 51, respectively; the driving subassembly comprises a cam 41 positioned in the groove 21, a concave wheel 42, a mounting shaft 43 and a driving motor 44 positioned outside the groove 21; the driving motor 44 is fixedly connected to the bracket assembly 20; the rotating shaft of the driving motor 44 passes through the mounting hole 23 and extends into the groove 21; the concave wheel 42 and the cam 41 are hollow cylinders, one of which is sleeved on one end of the mounting shaft 43 and is radially and fixedly connected, and the other is sleeved on a rotating shaft of the driving motor 44 and is radially and fixedly connected; the depressions of the concave wheel 42 are engaged with the projections of the cam 41; the other end of the mounting shaft 43 is radially and fixedly connected with the other end of the second connecting rod 53; a driving motor 44 for driving the engaged concave wheel 42 and the cam 41 to rotate in the first direction by rotating in the first direction, and driving the engaged concave wheel 42 and the cam 41 to rotate in the second direction by rotating in the second direction; a mounting shaft 43 for driving the second link 53 to rotate outward of the groove 21 when the engaged concave wheel 42 and the cam 41 rotate in a first direction, and for driving the second link 53 to rotate inward of the groove 21 when the engaged concave wheel 42 and the cam 41 rotate in a second direction.
The driving motor 44 may be, but is not limited to, fixedly connected to the bracket assembly through a bolt 45 and a nut 46.
The radial fixed connection mode is connection through a buckle structure; the buckle structure comprises a buckle and a clamping groove which extend along the axial direction. Specifically, the method comprises the following steps:
if the concave wheel sleeve is arranged at one end of the mounting shaft, a specific structure is as follows: a clamping groove extending along the axial direction is formed in the inner side wall of the concave wheel, and a buckle extending along the axial direction is arranged on the outer side wall of one end of the mounting shaft; another specific structure is as follows: the inner side wall of the concave wheel is provided with a buckle extending along the axial direction, and the outer side wall of one end of the mounting shaft is provided with a clamping groove extending along the axial direction.
If the cam sleeve is disposed on one end of the mounting shaft, one particular configuration is: a clamping groove extending along the axial direction is formed in the inner side wall of the cam, and a buckle extending along the axial direction is arranged on the outer side wall of one end of the mounting shaft; another specific structure is as follows: the inner side wall of the cam is provided with a buckle extending along the axial direction, and the outer side wall of one end of the mounting shaft is provided with a clamping groove extending along the axial direction.
If the concave wheel sleeve is arranged on the rotating shaft of the driving motor, a specific structure is as follows: a clamping groove extending along the axial direction is formed in the inner side wall of the concave wheel, and a buckle extending along the axial direction is arranged on a rotating shaft of the driving motor; another specific structure is as follows: the inner side wall of the concave wheel is provided with a buckle extending along the axial direction, and the rotating shaft of the driving motor is provided with a clamping groove extending along the axial direction.
If the cam sleeve is arranged on the rotating shaft of the driving motor, a specific structure is as follows: a clamping groove extending along the axial direction is formed in the inner side wall of the cam, and a buckle extending along the axial direction is arranged on a rotating shaft of the driving motor; another specific structure is as follows: the inner side wall of the cam is provided with a buckle extending along the axial direction, and the rotating shaft of the driving motor is provided with a clamping groove extending along the axial direction.
The other end of the second connecting rod is of a block structure with a through hole; the other end of the mounting shaft is inserted into the through hole of the block structure. A clamping groove extending along the axial direction is arranged on the inner side wall of the through hole of the block structure, and a buckle extending along the axial direction is arranged on the side wall of the other end of the mounting shaft; or, the inner side wall of the through hole of the block structure is provided with a buckle extending along the axial direction, and the side wall of the other end of the mounting shaft is provided with a clamping groove extending along the axial direction.
In order to ensure that the protective cloth is always in a protective state after the electrical equipment is closed, the driving motor can be a power-off self-locking motor. After the outage, the motor can not rotate to make the protection cloth can not twine the return, keep the guard mode.
The above is only one specific structure of the driving assembly, and other structures may be adopted as long as the telescopic assembly can be driven, which is not described herein again.
In order to increase the protection effect and prevent dust and the like from entering the interior of the electrical equipment from the periphery of the protective cloth, as shown in fig. 3, the protection device of the electrical equipment provided by the embodiment of the present application may further include a baffle 70; when the protective cloth is unfolded, the barrier 70 surrounds the protective cloth 10. The periphery of the protective cloth is shielded by the baffle plate, so that the protection is further performed.
The shape of the baffle is consistent with that of the protective cloth. For example, the protective cloth is rectangular, and one side of the protective cloth is located in the groove, so that a baffle is not required to be arranged, and as shown in fig. 3, the arranged baffle only needs to surround the other three sides of the protective cloth.
In order to facilitate control of the driving assembly, the protective device for electrical equipment provided by the embodiment of the application may further include a control main board; as shown in fig. 4, the control main board 90 is connected to the driving motor 44, and is configured to send a first control instruction to the driving motor 44 and send a second control instruction to the driving motor 44; the driving motor 44 is specifically configured to rotate in a first direction when receiving a first control command, and rotate in a second direction when receiving a second control command.
The control mainboard in this embodiment can be the control mainboard that sets up alone for protector, and protector can realize independent control. The control main board can be the same control main board as the electrical equipment, and at the moment, the control main board needs to be matched with the opening and closing of the electrical equipment for control; when a signal for starting the electrical equipment is detected, a second control instruction is sent to the driving motor firstly, and then the electrical equipment is controlled to be started. Therefore, the protection device is controlled to protect after the electrical equipment is closed, and before the electrical equipment is opened, the protection device needs to be controlled to remove the protection.
In order to improve the control effect, the protection device for the electrical equipment provided by the embodiment of the application can further comprise a limit switch arranged at a position on the baffle plate, which is in contact with the other end of the protection cloth; as shown in fig. 4, the control main board 90 is connected to the limit switch 80, and is further configured to detect a signal of the limit switch 80 when the time for sending the first control instruction exceeds a first preset time length, and send an alarm if the signal of the limit switch 80 is not detected; when the electrical equipment is controlled to be started, the control main board 90 is specifically used for detecting the signal of the limit switch 80 when the time for sending the second control instruction exceeds a second preset time length, and if the signal of the limit switch 80 is not detected, the electrical equipment is controlled to be started; if the signal of the limit switch 80 is detected, an alarm is given.
Taking the structure shown in fig. 3 as an example, the limit switch is disposed on the baffle plate opposite to the bracket assembly.
When protection cloth expandes to protect the mouth, can contact the limit switch who sets up on the baffle, limit switch can send the signal to the control mainboard, if protection cloth is accomodate and when removing the protection in the recess, just can't contact phase switch, and limit switch just does not send the signal to the control mainboard.
If the control mainboard sends first control command and exceeds a certain time, the protection cloth has not yet been expanded and is protected and contact limit switch, explains that protector is out of order, needs to send alarm signal suggestion staff to maintain. If the control mainboard sends the second control command and surpasses after the certain time, if can not detect limit switch's signal, explain that the protection cloth has been accomodate and remove the protection in the recess, can open electrical equipment, if still can detect limit switch's signal, explain that the protection cloth is normally accomodate and remove the protection in the recess, protector's driving motor became invalid, need send alarm signal suggestion staff to maintain.
Because the concave wheel is in transmission connection with the cam through the concave and convex engagement, the concave wheel can be separated from the cam, if the protection device fails, the protection device cannot automatically protect and remove the protection device, the engaged cam and the concave wheel can be manually separated, and the protection cloth can be wound or unfolded through manual operation.
In order to ensure that the cam is stably connected with the concave wheel under normal conditions, the protective device for electrical equipment provided by the embodiment of the application, as shown in fig. 1 and 2, may further include a spring 47 sleeved on the mounting shaft 43; and the spring 47 is used for pressing the concave wheel and the cam which are meshed with each other. Under the extrusion of the spring, the concave wheel is more tightly meshed with the cam.
In some embodiments, the spring 47 is magnetic; accordingly, as shown in fig. 1, the protection device for electrical equipment may further include: an electromagnetic coil 48 provided in correspondence with the spring; the electromagnetic coil 48 is fixedly connected to the bracket assembly at one end of the spring remote from the engaged cam and the concave wheel; as shown in fig. 4, the control main board 90 is also connected with the electromagnetic coil 48 and is further used for switching on the electromagnetic coil 48 when detecting the signal of the limit switch 80 and giving an alarm; a solenoid 48 for drawing the spring to contract to reduce compression of the engaged cam and cam when energized. So, when the protection cloth is not normally accomodate and is relieved the protection in the recess, can overcome the effort of spring through solenoid, separately cam and concave wheel automatically to realize automatic the protection of relieving, avoid manually operation, influence equipment uses, thereby reduce the loss.
Wherein, solenoid can fixed connection in the support subassembly outside, reduces the occupation to the space of recess to reduce the volume of device.
Wherein, as shown in fig. 1, the electromagnetic coil 48 can be fixedly connected to the bracket assembly 20 by a bolt and nut 49 sleeved inside the electromagnetic coil.
Another embodiment of the present application provides an electrical device having a protective opening; the protective opening is provided with a protective device; the shielding device is a shielding device of an electrical apparatus as shown in any of the above embodiments. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the protection device of the electrical equipment, and is not repeated here.
Wherein the guard is mountable to the electrical apparatus by a fastener. As shown in fig. 3, the bracket assembly 20 of the protection device may be provided with a protrusion 23, the protrusion 23 is provided with a through hole, and a fastening member is inserted into the through hole for fastening, specifically, but not limited to, a bolt and a nut. The electrical equipment is also required to be provided with a corresponding through hole for a driving motor outside the groove of the protection device to pass through.
Wherein the electrical equipment may be, but is not limited to, a chiller; the protective opening is an air outlet.
Wherein, the cooler is a cooler for ejecting air. As shown in fig. 3, the cooling machine has a top cover 61, and a mesh enclosure is provided on the air outlet 60 of the top cover 61. The protective device is mounted on the top cover of the cooling machine.
For a specific implementation of this embodiment, reference may be made to the related description in the above embodiment of the protection device of the electrical equipment, and details are not described here again.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (22)
1. A protective device for electrical equipment, comprising:
protective cloth;
a bracket assembly; the bracket component is provided with a groove for accommodating the protective cloth;
the reel assembly is arranged in the groove; one end of the protective cloth is connected with the scroll component through a coil spring;
the driving assembly is arranged on the bracket assembly; the other end of the protective cloth is connected with the driving assembly through a telescopic assembly;
when the protective cloth is stored in the groove, the protective cloth is wound on the reel assembly under the action of the coil spring;
the driving assembly is used for driving the telescopic assembly to enable the other end of the protective cloth to extend out of the groove, so that the protective cloth is unfolded to protect a protective opening of the electrical equipment;
the telescopic assembly comprises a third reel and two connecting rod assemblies which are respectively arranged at two ends of the third reel in a one-to-one correspondence manner; the other end of the protective cloth is fixedly connected to the third reel; the other end of each connecting rod assembly is respectively connected with a driving assembly;
the driving assembly is specifically used for driving the connecting rod assembly to rotate.
2. The protective device of the electrical equipment according to claim 1, wherein the driving assembly is further used for driving the telescopic assembly to retract the other end of the protective cloth into the groove, so that the protective cloth is automatically wound to the back position under the action of the coil spring to release the protection.
3. The protective device of an electrical apparatus according to claim 1 or 2, wherein the reel assembly comprises a first reel and a second reel;
the first reel is fixedly connected to the bracket assembly;
the second reel is a hollow shaft; the second reel is sleeved on the first reel; a first clamping groove is formed in the outer side wall of the second reel;
the outer end of the coil spring is connected with one end of the protective cloth, and the inner end of the coil spring is clamped in the first clamping groove of the second scroll; the protective cloth is wound on the second reel.
4. The electrical equipment protection device of claim 3, wherein the spool assembly further comprises two snap springs secured to the first spool; the second reel is located between the two clamp springs.
5. The protection device for the electrical equipment according to claim 4, wherein the outer side wall of the first winding shaft is provided with two annular second clamping grooves; the clamp spring is fixed on the first scroll through the second clamping groove.
6. The protective device of an electrical apparatus of claim 3, wherein the bracket assembly comprises two support plates disposed within the recess; one end of the first reel is fixedly connected to one of the supporting plates, and the other end of the first reel is fixedly connected to the other supporting plate.
7. The protective device of an electrical apparatus according to claim 1 or 2, characterized in that said linkage assembly comprises a first linkage and a second linkage; one end of the first connecting rod is rotatably connected with one end of the second connecting rod through a rotating pin structure;
one end of the third scroll is movably connected with the other end of the first connecting rod in one connecting rod assembly through a fastener, and the other end of the third scroll is movably connected with the other end of the first connecting rod in the other connecting rod assembly through a fastener;
the other end of the second connecting rod of the connecting rod component is connected with the driving component;
when the protective cloth is stored in the groove, the first connecting rod, the second connecting rod and the third reel are folded and contracted;
the driving assembly is specifically configured to drive the second connecting rod to rotate outward of the groove, fold and unfold the first connecting rod, the second connecting rod, and the third reel to extend the other end of the protective cloth out of the groove, and drive the second connecting rod to rotate inward of the groove, fold and retract the first connecting rod, the second connecting rod, and the third reel to retract the other end of the protective cloth into the groove.
8. The electrical equipment protection device of claim 7, wherein the fastener is a bolt.
9. A shielding device for electrical equipment according to claim 8, wherein said bolt is provided with a washer.
10. The electrical equipment protection device of claim 7, wherein two mounting holes are provided on a side wall of the recess;
the drive assembly, comprising: two driving sub-assemblies which are respectively arranged in one-to-one correspondence with two ends of the third reel;
the driving subassembly comprises a cam, a concave wheel and a mounting shaft which are positioned in the groove, and a driving motor which is positioned outside the groove;
the driving motor is fixedly connected to the bracket assembly; a rotating shaft of the driving motor penetrates through the mounting hole and extends into the groove;
the concave wheel and the cam are hollow cylinders, one of the concave wheel and the cam is sleeved on one end of the mounting shaft and is radially and fixedly connected, and the other concave wheel and the cam are sleeved on a rotating shaft of the driving motor and are radially and fixedly connected; the concave part of the concave wheel is meshed with the convex part of the cam;
the other end of the mounting shaft is radially and fixedly connected with the other end of the second connecting rod;
the driving motor is used for driving the engaged concave wheel and the cam to rotate along a first direction through rotating along the first direction, and driving the engaged concave wheel and the cam to rotate along a second direction through rotating along the second direction;
the mounting shaft is used for driving the second connecting rod to rotate towards the outside of the groove when the engaged concave wheel and the engaged cam rotate along the first direction, and driving the second connecting rod to rotate towards the inside of the groove when the engaged concave wheel and the engaged cam rotate along the second direction.
11. The protective device of an electrical apparatus of claim 10, wherein the drive motor is a power-off self-locking motor.
12. The protective device of an electrical apparatus according to claim 10, wherein the radially fixed connection is by means of a snap-fit connection; the buckle structure comprises a buckle and a clamping groove which extend along the axial direction.
13. The protective device of an electrical apparatus of claim 12, further comprising a baffle;
when the protective cloth is unfolded, the baffle surrounds the protective cloth.
14. The protective device of an electrical apparatus of claim 13, further comprising a control motherboard;
the control main board is connected with the driving motor and is used for sending a first control instruction to the driving motor and sending a second control instruction to the driving motor;
the driving motor is specifically configured to rotate in the first direction when receiving the first control instruction, and rotate in the second direction when receiving the second control instruction.
15. The protection device for the electrical equipment according to claim 14, wherein the control main board is specifically configured to, when detecting a signal for turning off the electrical equipment, control to turn off the electrical equipment first, and then send a first control instruction to the driving motor; and when a signal for starting the electrical equipment is detected, a second control instruction is sent to the driving motor firstly, and then the electrical equipment is controlled to be started.
16. The protection device for electrical equipment according to claim 15, further comprising a limit switch provided at a position on the flap that contacts the other end of the protection cloth;
the control main board is connected with the limit switch and is also used for detecting a signal of the limit switch when the time for sending the first control instruction exceeds a first preset time length, and sending an alarm if the signal of the limit switch is not detected;
when the electrical equipment is controlled to be started, the control main board is specifically used for detecting the signal of the limit switch when the time for sending the second control instruction exceeds a second preset time length, and controlling to start the electrical equipment if the signal of the limit switch is not detected; and if the signal of the limit switch is detected, an alarm is sent out.
17. The electrical equipment protection device of claim 16, further comprising a spring disposed about said mounting shaft;
the spring is used for pressing the concave wheel and the cam which are meshed with each other.
18. The protective device of an electrical apparatus of claim 17, wherein the spring is magnetic;
further comprising: the electromagnetic coil is arranged corresponding to the spring; the electromagnetic coil is fixedly connected to the bracket component and is positioned at one end of the spring, which is far away from the concave wheel and the cam which are engaged;
the control main board is also connected with the electromagnetic coil and is also used for switching on the electromagnetic coil when detecting the signal of the limit switch and giving an alarm;
and the electromagnetic coil is used for attracting the spring to contract after being switched on so as to reduce the extrusion of the engaged concave wheel and the cam.
19. A shielding device for electrical equipment according to claim 18, wherein said electromagnetic coil is fixedly attached to the exterior of said bracket assembly.
20. An electrical apparatus, characterized in that the electrical apparatus has a protective opening; a protective device is arranged on the protective opening; the protection device is a protection device of the electrical equipment according to any one of claims 1 to 19.
21. The electrical apparatus of claim 20, wherein the electrical apparatus is a chiller; the protective opening is an air outlet.
22. The electrical equipment of claim 21, wherein the chiller is a top-out chiller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166383.2A CN109862727B (en) | 2019-03-06 | 2019-03-06 | Protective device for electrical equipment and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166383.2A CN109862727B (en) | 2019-03-06 | 2019-03-06 | Protective device for electrical equipment and electrical equipment |
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| Publication Number | Publication Date |
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| CN109862727A CN109862727A (en) | 2019-06-07 |
| CN109862727B true CN109862727B (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910166383.2A Active CN109862727B (en) | 2019-03-06 | 2019-03-06 | Protective device for electrical equipment and electrical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110570780A (en) * | 2019-09-16 | 2019-12-13 | 利亚德智慧显示(深圳)有限公司 | corner protector and display screen |
| CN111092335A (en) * | 2019-12-11 | 2020-05-01 | 珠海格力电器股份有限公司 | Electronic component connector, circuit board and electronic equipment |
| CN111140961B (en) * | 2020-01-20 | 2023-12-08 | 珠海格力电器股份有限公司 | Protective device, evaporative cooling fan and control method |
| CN111156632B (en) * | 2020-01-20 | 2023-12-08 | 珠海格力电器股份有限公司 | Drainage device, cooling fan and control method |
| CN111188985A (en) * | 2020-03-17 | 2020-05-22 | 王娜 | Petroleum mechanical equipment protector |
| CN112681195A (en) * | 2020-12-24 | 2021-04-20 | 浙江法曼环境科技有限公司 | Self-cleaning device for rolling brush of sweeper |
| CN114542497B (en) * | 2022-02-17 | 2022-11-15 | 北京新安特风机有限公司 | Multi-spectrum-segment intelligent fan |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6128507B2 (en) * | 2012-05-30 | 2017-05-17 | キョーラクテクノ株式会社 | Sunshade cover for air conditioner outdoor unit |
| CN204472527U (en) * | 2015-03-11 | 2015-07-15 | 郭陶 | Multifunctional automobile sun-shading curtain device |
| CN106016666A (en) * | 2016-06-27 | 2016-10-12 | 珠海格力电器股份有限公司 | Air conditioner and air inlet protection system thereof |
| CN106322573A (en) * | 2016-08-22 | 2017-01-11 | 青岛海信日立空调***有限公司 | Protective cover and top air exhaust type air conditioner outdoor unit |
| US10174956B2 (en) * | 2017-01-19 | 2019-01-08 | Robert J. Stanton | Anti-theft air conditioner enclosure |
| CN206695270U (en) * | 2017-04-12 | 2017-12-01 | 广东美的暖通设备有限公司 | Protective cover and air-conditioner outdoor unit |
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