CN114348814A - Safe type elevator position sensor - Google Patents
Safe type elevator position sensor Download PDFInfo
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- CN114348814A CN114348814A CN202111448607.2A CN202111448607A CN114348814A CN 114348814 A CN114348814 A CN 114348814A CN 202111448607 A CN202111448607 A CN 202111448607A CN 114348814 A CN114348814 A CN 114348814A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3492—Position or motion detectors or driving means for the detector
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Automation & Control Theory (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention is suitable for the technical field of sensors, provides a safe elevator position sensor, is used for monitoring the position of an elevator, and solves the problem that an electrical element in the sensor is damaged because the sensor for the elevator cannot realize quick heat dissipation when the existing device works; the safe elevator position sensor includes: a protective body; the device mounting mechanism is arranged in the protection main body and used for mounting and fixing electrical elements in the sensor; device heat dissipation mechanism installs in the protection main part for supplementary electrical components's heat dissipation, device heat dissipation mechanism includes: the air exhaust and heat dissipation assembly is arranged in the protection main body and is used for absorbing hot air flow in the protection main body; the heat collection discrete component is connected with the air draft heat dissipation component; the embodiment of the invention is provided with the device heat dissipation mechanism, so that the problem that heat cannot be dissipated when the electrical element works can be avoided, the safe and normal operation of the electrical element is ensured, and the service life of the electrical element is prolonged.
Description
Technical Field
The invention belongs to the technical field of sensors, and particularly relates to a safety type elevator position sensor.
Background
The photoelectric sensor is a device for converting optical signals into electric signals, generally comprising a processing path and a processing element, the basic working principle of the photoelectric sensor is based on photoelectric effect, the measured change is converted into the change of the optical signals, then non-electric signals are further converted into the electric signals through the photoelectric element arranged in the photoelectric sensor, the elevator is a permanent transportation device which serves a plurality of specific floors in a building, a car of the elevator runs on at least two rows of rigid rails which are vertical to the horizontal plane, the elevator needs to sense different positions and states through different sensors in the running process, and the position of the elevator is analyzed and judged according to the sensing result.
The existing elevator speed measuring device comprises a plurality of sensors arranged on the inner wall of a well along the height direction of the well, one signal source arranged on the side wall of a car and at the relative position of the sensors, the sensors are light sensors and are uniformly arranged along the running track of the car, the signal source is a small light source close to point light, and the sensors for the elevator cannot realize quick heat dissipation when the device works, so that an electrical element in the sensors is damaged, and therefore, a safe elevator position sensor is provided.
Disclosure of Invention
The invention provides a safe elevator position sensor, and aims to solve the problem that an electrical element in a sensor is damaged because the sensor for an elevator cannot realize quick heat dissipation when the existing device works.
The invention is thus realized in that a secure elevator position sensor for monitoring elevator position, the secure elevator position sensor comprising:
a protective body;
the device mounting mechanism is arranged in the protection main body and used for mounting and fixing electrical elements in the sensor;
the device heat dissipation mechanism is arranged in the protection main body and is used for assisting the heat dissipation of the electrical appliance element;
the device heat dissipation mechanism includes:
the air exhaust and heat dissipation assembly is arranged in the protection main body and is used for absorbing hot air flow in the protection main body;
and the heat collection discrete component is connected with the air draft heat dissipation component and is used for concentrating heat and dispersing hot air flow.
Preferably, the protection body comprises:
the protective shell is internally provided with a protective cavity for placing electrical elements;
the photosensitive unit protection part is used for protecting a photosensitive unit in the sensor and is arranged in the protection shell;
and the control unit protection part is arranged in the protection cavity, is used for protecting the auxiliary power supply and the controller in the sensor and is connected with the protection shell.
Preferably, the device mounting mechanism includes:
the photosensitive unit mounting part is used for mounting a photosensitive unit in the sensor and is arranged in the photosensitive unit protection part;
the setting is in the control unit installation department in the protection cavity for auxiliary power supply and controller in the installation sensor install in the control unit protection portion, the control unit installation department is including the fixed group of installation and installation sliding group, the fixed group of installation and control unit protection portion sliding connection, installation sliding group and the fixed sliding connection of group of installation.
Preferably, a fixed group adjusting mechanism for adjusting the position of the installation fixed group is arranged in the protection cavity, and the fixed group adjusting mechanism comprises:
the fixed group driving piece is fixedly arranged in the protection cavity;
the fixed group transmission piece is fixedly connected with the fixed group driving piece, and a fixed group sleeving piece is sleeved on the fixed group transmission piece;
and the other end of the fixed group pushing piece is hinged with the installation fixed group and used for adjusting the position of the installation fixed group.
Preferably, be provided with between the fixed group of installation and the installation slip group and be used for the spacing slip group stop gear with the protection of installation slip group, slip group stop gear includes:
at least one group of sliding limiting grooves are arranged on the side wall of the mounting and fixing group;
the sliding group limiting piece is fixed in the sliding limiting groove and used for installing the guide of the sliding group;
the sliding group buffer pieces are arranged on two sides of the sliding group sleeving piece and arranged in the sliding limiting grooves;
and the sliding group pushing piece is used for connecting the sliding group sleeving piece and installing the sliding group, and two ends of the sliding group pushing piece are respectively hinged with the sliding group sleeving piece and the installing sliding group.
Preferably, a wire winding mechanism for winding a wire is arranged in the protection cavity, the wire winding mechanism is mounted on the mounting and fixing assembly, and the wire winding mechanism includes:
a winding mechanism support part;
at least one set of wire winding assemblies for winding and placing wire.
Preferably, a protection portion adjusting mechanism for adjusting a position of the protection portion of the photosensitive unit is disposed in the protection cavity, and the protection portion adjusting mechanism includes:
the protection part driving piece is fixed in the protection cavity;
and the protection part driving part is fixedly connected with the protection part driving part, one side of the protection part driving part is provided with a protection part driven part, one side of the protection part driven part is rotatably connected with the protection shell, and the other side of the protection part driven part is fixedly connected with the photosensitive unit protection part through a supporting rod.
Preferably, the air extracting and heat dissipating assembly includes:
an air draft cavity;
the air exhaust part is arranged in the air exhaust cavity, the output end of the air exhaust part is fixedly connected with at least one group of air exhaust components, and the air exhaust components and the air exhaust part work in a matched mode to exhaust hot air in the working cavity;
the heat extraction opening is arranged in the air extraction cavity, and a check valve is arranged in the heat extraction opening.
Preferably, the heat collecting discrete component comprises:
an airflow dispersion cavity;
the main heat collecting part is arranged in the airflow dispersion cavity and is used for collecting heat in the working cavity;
the auxiliary heat collecting part is arranged in the airflow dispersion cavity and is matched with the main heat collecting part to work.
Preferably, the wire winding assembly comprises:
the winding driving piece is arranged on the supporting part of the winding mechanism;
the winding insulation piece is provided with a plurality of winding pieces, the end part of each winding piece is provided with a lead protection piece for protecting a lead, and the winding pieces are fixedly connected with the winding insulation piece;
the winding swing piece is fixedly connected with the winding insulating piece, the winding swing piece is rotatably connected with the supporting part of the winding mechanism, a winding sliding groove is formed in the winding swing piece, a winding connecting part is movably mounted in the winding sliding groove, and the winding connecting part is sleeved on the winding driving piece.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the embodiment of the invention is provided with the device heat dissipation mechanism, so that the problem that heat cannot be dissipated when the electrical element works can be avoided, the safe and normal operation of the electrical element is ensured, and the service life of the electrical element is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a safety elevator position sensor provided by the invention.
Fig. 2 is a schematic structural diagram of a protection portion of a photosensitive cell provided by the present invention.
Fig. 3 is a schematic structural diagram of a control unit protection portion provided by the present invention.
Fig. 4 is a partially enlarged structural diagram of a in fig. 1.
Fig. 5 is a schematic structural diagram of a wire winding mechanism provided by the present invention.
Fig. 6 is a schematic structural view of a supporting part of the winding mechanism provided by the invention.
Fig. 7 is a schematic structural view of the protector adjustment mechanism provided by the present invention.
Fig. 8 is a schematic structural view of the air extracting and heat dissipating assembly provided by the present invention.
Fig. 9 is a schematic structural diagram of the air draft chamber provided by the present invention.
FIG. 10 is a schematic structural view of a discrete heat collecting module according to the present invention.
Fig. 11 is a schematic perspective view of a safety elevator position sensor provided by the present invention.
Fig. 12 is a top view of a safety elevator position sensor provided by the present invention.
Fig. 13 is a side view of a safety elevator position sensor provided by the present invention.
Fig. 14 is a schematic structural diagram of a protective housing provided by the present invention.
In the figure:
1-a protective body;
11-a protective shell, 111-a double optical axis, 12-a protective cavity, 13-a photosensitive unit protective part and 14-a control unit protective part;
2-a device mounting mechanism;
21-photosensitive unit installation part, 22-control unit installation part, 221-installation sliding group and 222-installation fixing group;
3-fixing the group adjusting mechanism;
31-a fixed group driving piece, 32-a fixed group driving piece, 33-a fixed group sleeving piece and 34-a fixed group pushing piece;
4-a wire winding assembly;
41-winding driving piece, 42-winding connection piece, 43-winding swinging piece, 44-winding insulating piece and 45-winding piece;
5-a sliding group limiting mechanism;
51-a sliding group limiting piece, 52-a sliding group buffer piece, 53-a sliding group sleeving piece and 54-a sliding group pushing piece;
6-a wire winding mechanism;
61-a winding mechanism support;
7-a protection part adjusting mechanism;
71-a guard driving member, 72-a guard driving member, 73-a guard driven member;
8-a device heat dissipation mechanism;
81-air draft heat dissipation component, 811-air draft cavity, 812-air draft part, 813-air draft part, 814-heat exhaust port, 82-heat collection discrete component, 821-air flow discrete cavity, 822-main heat collection part and 823-auxiliary heat collection part.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the invention provides a safe elevator position sensor which is used for monitoring the position of an elevator, and as shown in figures 1-2, the safe elevator position sensor comprises:
a protection body 1;
a device mounting mechanism 2 provided in the protection main body 1, the device mounting mechanism 2 being used for mounting and fixing an electric component in the sensor;
and the device heat dissipation mechanism 8 is arranged in the protection main body 1 and is used for assisting the heat dissipation of the electrical components.
In this embodiment, the protection main body 1 is used to protect each electrical component in the sensor and the device mounting mechanism 2 used to mount the electrical component, and the device mounting mechanism 2 can fixedly mount each electrical component and protect the electrical component, and can also avoid the phenomenon of electric leakage, thereby ensuring the safe operation of the device.
The embodiment of the invention is provided with the device heat dissipation mechanism 8, so that the problem that heat cannot be dissipated when the electrical element works can be avoided, the safe and normal operation of the electrical element is ensured, and the service life of the electrical element is prolonged.
In another embodiment of the present invention, the device heat dissipation mechanism 8 includes:
the air draft heat dissipation assembly 81 is arranged in the protection main body 1 and used for absorbing hot air flow in the protection main body 1;
a heat collecting discrete component 82 connected with the air draft heat radiation component 81 and used for concentrating heat and dispersing hot air flow
In this embodiment, convulsions radiator unit 81 and the discrete subassembly 82 cooperation work of thermal-arrest, realized thermal-arrest and radiating quick safe going on, and the discrete subassembly 82 of thermal-arrest can make the heat of collection dispersed, realized the preliminary treatment to the hot gas flow to better realization dispels the heat fast, avoided the phenomenon that the inhomogeneous device circuit load that leads to of heat distribution is big, electrical components damages in the device.
In a further preferred embodiment of the present invention, as shown in fig. 2-3, the protection body 1 comprises:
a protective shell 11, wherein a protective cavity 12 for placing electrical components is arranged in the protective shell 11;
a photosensitive unit protection part 13 for protecting the photosensitive unit in the sensor, which is arranged in the protection housing 11;
and a control unit protection part 14 arranged in the protection cavity 12 and used for protecting the auxiliary power supply and the controller in the sensor is connected with the protection shell 11.
In this embodiment, the surface of the protection housing 11 is coated with an insulating layer, so that the phenomenon of electric leakage when a circuit inside the device is short-circuited is avoided, the protection housing 11 is of a cuboid or cylindrical structure, and the side wall of the protection housing 11 is provided with a plurality of mounting frames for mounting the protection housing 11, so that the device is conveniently mounted and fixed.
In this embodiment, a plurality of horizontal through grooves are formed in the side wall of the photosensitive unit protection portion 13 for light beams to pass through, the photosensitive unit protection portion 13 and the protection shell 11 are rotatably connected through a bearing, the control unit protection portion 14 is of a rectangular seat structure and is fixed in the protection shell 11 through a bolt or a buckle, and therefore falling of the control module is avoided.
The protection housing 11 is further provided with a dual optical axis 111, and an end of the dual optical axis 111 is fixed on a side wall of the protection housing 11.
In a further preferred embodiment of the present invention, the device mounting mechanism 2 includes:
a photosensitive unit mounting portion 21 for mounting a photosensitive unit in the sensor, which is provided in the photosensitive unit protecting portion 13;
the setting is in the control unit installation department 22 in the protection chamber 12 for auxiliary power supply and controller in the installation sensor are installed in the control unit protection portion 14, the control unit installation department 22 is including the fixed group 222 of installation and the installation sliding group 221, the fixed group 222 of installation and the fixed group 222 sliding connection of control unit protection portion 14, the installation sliding group 221 and the fixed group 222 sliding connection of installation.
In this embodiment, the photosensitive unit installation portion 21 is a round seat or a rectangular seat structure, and the two sides of the photosensitive unit installation portion 21 are respectively connected with a sliding block, the sliding block is sleeved on the column, the column is fixedly installed in the photosensitive unit protection portion 13, and the sliding block is fixedly connected with the column through a buckle, so that the position of the photosensitive unit is conveniently fixed and adjusted.
In this embodiment, the installation sliding group 221 is disposed in the installation fixing group 222, and the inner wall of the installation fixing group 222 is provided with a plurality of guide posts or guide sliding rails for limiting the installation sliding group 221, so as to prevent the installation sliding group 221 from falling off, the installation fixing group 222 is slidably connected with the control unit protection portion 14, a controller, a control unit and a photoelectric conversion unit are disposed in the installation sliding group 221, and the control unit is configured to detect the ascending and descending directions of the elevator and the speed of the elevator, and cooperate with the elevator to perform closed-loop control.
Two pairs of infrared transmitting and receiving groups are arranged in the protective shell 11, each pair of infrared transmitting and receiving groups respectively comprise an infrared transmitter and an infrared receiving device which are matched with each other, the elevator can sequentially shield the two light paths in the running process, the time difference for shielding the two light paths is measured and calculated, the time difference is obtained according to measurement and calculation, and the position difference of the two light paths is fixed, so that the speed of the elevator can be accurately calculated, and in addition, according to the sequence that the two light paths are shielded, whether the elevator runs upwards or downwards can be calculated, so that the running state of the elevator can be accurately judged.
In a further preferred embodiment of the present invention, as shown in fig. 1, a fixing set adjusting mechanism 3 for adjusting the position of the mounting fixing set 222 is disposed in the protection cavity 12, and the fixing set adjusting mechanism 3 includes:
a fixed group driving piece 31, wherein the fixed group driving piece 31 is fixedly arranged in the protection cavity 12;
a fixed group transmission member 32 fixedly connected with the fixed group driving member 31, wherein a fixed group sleeving member 33 is sleeved on the fixed group transmission member 32;
and the other end of the fixed group pushing piece 34 is hinged to the mounting fixed group 222 and is used for adjusting the position of the mounting fixed group 222.
In this embodiment, the fixed set driving member 31 is a servo motor, the servo motor is fixed in the protection housing 11 through a bolt, the fixed set driving member 32 is a threaded rod, two sections of external threads with opposite turning directions and the same thread pitch are symmetrically arranged on the fixed set driving member 32, a fixed set sleeving member 33 working in cooperation with the external threads is respectively arranged on each section of the external threads, the fixed set sleeving member 33 is a threaded block, the two sections of the external threads are connected through a thread, the fixed set pushing member 34 is an inclined push rod, one end of the fixed set sleeving member 33 is hinged, and the other end of the fixed set pushing member is hinged with the installation fixed set 222.
During operation, open fixed driving piece, fixed driving piece drives fixed driving medium and rotates, and fixed driving medium drives fixed cover establishment piece syntropy or heterodromous and removes, and then makes fixed cover establishment piece drive fixed impeller and promote the fixed group 222 removal of installation, has realized the regulation to the fixed 222 position of group of installation, and then makes the installation that the control unit installation department 22 is applicable to different model the control unit in this embodiment with fixed.
In another embodiment of the present invention, the fixed group driving component 31 is at least provided with one group, and is a hydraulic cylinder, an electric push rod or an air cylinder, the type of which is prior art and is not limited herein, and the fixed group driving component 32 is a vertically disposed connecting rod structure, the connecting rod structure may be a circular shape or a square shape or a polygonal shape, the fixed group driving component 32 is slidably connected with the control unit protection portion 14, the fixed group sheathing component 33 is a connecting sleeve or a sleeve ring structure, and the fixed group driving component 34 is a push rod structure.
During operation, the fixed group driving part 31 is opened, the fixed group driving part 31 drives the fixed group transmission part 32 to move, the fixed group transmission part 32 drives the fixed group sleeving part 33 to move, and then the fixed group sleeving part 33 pushes the fixed group pushing part 34 and the fixed group 222 to move, so that the position of the fixed group 222 is adjusted.
In a further preferred embodiment of the present invention, as shown in fig. 4, a sliding set limiting mechanism 5 for limiting and protecting the installation sliding set 221 is disposed between the installation fixing set 222 and the installation sliding set 221, and the sliding set limiting mechanism 5 includes:
at least one set of sliding limiting grooves arranged on the side wall of the mounting and fixing set 222;
a sliding group limiting piece 51 fixed in the sliding limiting groove and used for installing the guide of the sliding group 221;
the sliding set sleeving part 53 is sleeved on the sliding set limiting part 51, the sliding set sleeving part 53 is connected with the sliding set limiting part 51 in a sliding mode, sliding set buffering parts 52 are arranged on two sides of the sliding set sleeving part 53, and the sliding set buffering parts 52 are arranged in the sliding limiting grooves;
and the sliding set pushing part 54 is used for connecting the sliding set sleeving part 53 and the mounting sliding set 221, and two ends of the sliding set pushing part are respectively hinged with the sliding set sleeving part 53 and the mounting sliding set 221.
In this embodiment, the sliding limiting groove is an arc-shaped groove or a rectangular groove structure, the sliding limiting groove is circumferentially and uniformly distributed on the inner wall of the installation fixing set 222, the sliding set limiting piece 51 is a circular guide rod structure, two ends of the sliding set limiting piece 51 are fixedly connected with the inner wall of the sliding limiting groove through a buckle or a rivet, the inner wall of the sliding set limiting piece 51 is polished, the sliding set sleeving piece 53 is a sliding block structure, and the sliding set pushing piece 54 is a push rod structure which is obliquely arranged.
In this embodiment, the sliding group buffering members 52 are sleeved on the sliding group limiting members 51 or uniformly distributed in the sliding limiting grooves, two ends of the sliding group buffering members 52 are respectively and fixedly connected with the sliding group limiting grooves and the sliding group sleeving members 53, and the sliding group buffering members 52 are buffer springs or buffer washers.
In a further preferred embodiment of the present invention, as shown in fig. 5-6, a wire winding mechanism 6 for winding a wire is disposed in the protection cavity 12, the wire winding mechanism 6 is mounted on the mounting fixture 222, and the wire winding mechanism 6 includes:
a winding mechanism support portion 61;
at least one wire winding assembly 4, said wire winding assembly 4 being used for winding and placing wires.
In this embodiment, the winding mechanism supporting portion 61 is fixed on the side wall of the mounting and fixing set 222 by means of bolts or welding, the winding mechanism supporting portion 61 is of a rectangular plate or circular plate structure, and meanwhile, the winding mechanism supporting portion 61 is hollow, so that heat dissipation of the wires is facilitated, and dispersion and circulation of air in the protection cavity 12 are facilitated, and the wire winding mechanisms 6 are symmetrically or circumferentially and uniformly distributed on the winding mechanism supporting portion 61.
In a further preferred embodiment of the present invention, as shown in fig. 5, the wire winding assembly 4 comprises:
a winding driving member 41 mounted on the winding mechanism support portion 61;
a winding insulating member 44, a plurality of winding members 45 are mounted on the winding insulating member 44, a wire protecting member for protecting a wire is arranged at an end of each winding member 45, and the winding members 45 and the winding insulating member 44 are fixedly connected;
the winding swinging piece 43 is fixedly connected with the winding insulating piece 44, the winding swinging piece 43 is rotatably connected with the winding mechanism supporting part 61, a winding sliding groove is formed in the winding swinging piece 43, a winding connecting part 42 is movably installed in the winding sliding groove, and the winding connecting part 42 is sleeved on the winding driving piece 41.
In this embodiment, the winding driving member 41 is a threaded rod structure, and the winding driving member 41 is rotatably connected to the winding mechanism supporting portion 61 through a bearing, an adjusting nut is fixedly mounted on an end portion of the winding driving member 41, external threads are symmetrically arranged on the winding driving member 41, the external threads are arranged as a set of same-direction or two sets of same-direction external threads, and opposite-rotation external threads, the winding oscillating member 43 is rotatably connected to the winding mechanism supporting portion 61 through a rotating shaft, the winding connecting portion 42 is at least provided with a set of groups, and is sleeved on the winding driving member 41, and is in threaded connection with the winding driving member 41, the winding insulating member 44 is fixedly connected to the winding oscillating member 43 through a buckle or an insulating bolt, the winding member 45 is a rod-shaped structure, an air guide groove is formed in the winding member 45, and the wire protecting member is made of an elastomer material.
The during operation rotates adjusting nut, and adjusting nut drives winding driving piece 41 and rotates, and winding driving piece 41 drives winding connecting portion 42 syntropy or heterodromous and removes, and then makes winding connecting portion 42 drive winding swing portion and winding 45 remove, has realized the condition to interval between winding 45, and then is applicable to the installation of different thickness wires.
In another embodiment of the present invention, the winding driving member 41 is a sliding rod, the winding driving member 41 is slidably connected to the winding mechanism supporting portion 61, and the end portion of the winding driving member 41 is connected to the winding mechanism supporting portion 61 by a snap fit, so as to facilitate fixing the position of the winding mechanism, the winding connecting portion 42 is hinged to the winding driving member 41, and when the position of the winding member 45 needs to be adjusted, the winding driving member 41 is only pushed to drive the winding oscillating member 43 to move, thereby achieving the adjustment of the position of the winding member 45.
In a further preferred embodiment of the present invention, as shown in fig. 7, a protection portion adjusting mechanism 7 for adjusting a position of the protection portion 13 of the photosensitive unit is disposed in the protection cavity 12, and the protection portion adjusting mechanism 7 includes:
a protection part driving member 71, wherein the protection part driving member 71 is fixed in the protection cavity 12;
and the protection part transmission piece 72 is fixedly connected with the protection part driving piece 71, one side of the protection part transmission piece 72 is provided with a protection part driven piece 73, one side of the protection part driven piece 73 is rotatably connected with the protection shell 11, and the other side of the protection part driven piece 73 is fixedly connected with the photosensitive unit protection part 13 through a supporting rod.
In this embodiment, the protection portion driving member 71 is a servo motor and is fixed at the bottom or the top of the protection cavity 12, a protection cover is sleeved outside the protection portion adjusting mechanism 7 and is used for protecting the protection portion adjusting mechanism 7, the protection portion driving member 72 and the protection portion driven member 73 are both gears and are in meshed transmission with each other, when the protection portion driving member 71 is opened, the protection portion driving member 71 drives the protection portion driving member 72 to rotate, the protection portion driving member 72 drives the protection portion driven member 73 to rotate, and the protection portion driven member 73 drives the photosensitive unit protection portion 13 to rotate, so that the position of the protection portion driving member 71 is adjusted, and the protection portion driving member 71 is suitable for monitoring of elevators at different positions and in different models.
In a further preferred embodiment of the present invention, as shown in fig. 8-9, the air extracting and heat dissipating assembly 81 comprises:
an exhaust chamber 811;
the air exhaust part 812 is arranged in the air exhaust cavity 811, the output end of the air exhaust part 812 is fixedly connected with at least one set of air exhaust component 813, and the air exhaust component 813 and the air exhaust part 812 work in a matched mode to exhaust hot air in the working cavity;
the heat exhausting opening 814 is arranged in the air exhausting cavity 811, and a check valve is arranged in the heat exhausting opening 814.
In this embodiment, convulsions chamber 811 is the annular chamber structure, and exhaust portion 812 is servo motor, and the output circumference of exhaust portion 812 is provided with a plurality of convulsions pieces 813, and convulsions piece 813 sets up along convulsions portion 812 anticlockwise slope, and for current air discharge fan, its convulsions efficiency is higher, has avoided thermal piling up in the device, and better realization is to electrical components' protection.
In a further preferred embodiment of the present invention, as shown in fig. 10, the heat collecting discrete component 82 comprises:
the airflow dispersion chamber 821;
a main heat collecting part 822 disposed in the airflow dispersion chamber 821, wherein the main heat collecting part 822 is used for collecting heat in the working chamber;
the auxiliary heat collecting part 823, which is disposed in the airflow dispersion chamber 821, cooperates with the main heat collecting part 822.
In this embodiment, the airflow discrete cavity 821 is communicated with the air pumping cavity 811, the main heat collecting portion 822 includes a main heat collecting groove, the main heat collecting groove is a circular groove structure, the main heat collecting groove is circumferentially arranged in the airflow discrete cavity 821, a main heat collecting net is arranged in the main heat collecting groove, meshes of the main heat collecting net are rectangular, rhombic or circular, the main heat collecting net is made of a heat absorbing material, and the main heat collecting net is arranged to fully absorb heat.
In this embodiment, the auxiliary heat collecting portion 823 includes an auxiliary heat collecting groove and an auxiliary heat collecting net disposed in the auxiliary heat collecting groove, the auxiliary heat collecting groove is of a polygonal structure, and the auxiliary heat collecting groove and the main heat collecting groove are disposed in a crossed manner, so as to achieve dispersed treatment of hot air flow, and meanwhile, the heat can be sufficiently absorbed, thereby improving the heat dissipation efficiency of the device.
In conclusion, the invention provides the safe elevator position sensor, the embodiment of the invention is provided with the device heat dissipation mechanism 8, so that the problem that heat cannot be dissipated when an electrical element works can be avoided, the safe and normal operation of the electrical element is ensured, and the service life of the electrical element is prolonged.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (10)
1. A safe type elevator position sensor for monitoring elevator position, characterized in that, safe type elevator position sensor includes:
a protective body;
the device mounting mechanism is arranged in the protection main body and used for mounting and fixing electrical elements in the sensor;
the device heat dissipation mechanism is arranged in the protection main body and is used for assisting the heat dissipation of the electrical appliance element;
the device heat dissipation mechanism includes:
the air exhaust and heat dissipation assembly is arranged in the protection main body and is used for absorbing hot air flow in the protection main body;
and the heat collection discrete component is connected with the air draft heat dissipation component and is used for concentrating heat and dispersing hot air flow.
2. The safety elevator position sensor of claim 1, wherein the protective body comprises:
the protective shell is internally provided with a protective cavity for placing electrical elements;
the photosensitive unit protection part is used for protecting a photosensitive unit in the sensor and is arranged in the protection shell;
and the control unit protection part is arranged in the protection cavity, is used for protecting the auxiliary power supply and the controller in the sensor and is connected with the protection shell.
3. The secure elevator position sensor of claim 2, wherein the device mounting mechanism comprises:
the photosensitive unit mounting part is used for mounting a photosensitive unit in the sensor and is arranged in the photosensitive unit protection part;
the setting is in the control unit installation department in the protection cavity for auxiliary power supply and controller in the installation sensor are installed in the control unit protection part, the control unit installation department is including the fixed group of installation and installation slip group, the fixed group of installation and control unit protection part sliding connection, installation slip group and the fixed group sliding connection of installation, install controller, the control unit and photoelectric conversion unit in the installation slip group, the control unit is used for detecting the ascending and descending direction of elevator to and the speed of elevator, the cooperation elevator is closed-loop control.
4. The safety type elevator position sensor according to claim 3, wherein a fixed group adjusting mechanism for adjusting the position of the installation fixed group is arranged in the protection cavity, and the fixed group adjusting mechanism comprises:
the fixed group driving piece is fixedly arranged in the protection cavity;
the fixed group transmission piece is fixedly connected with the fixed group driving piece, and a fixed group sleeving piece is sleeved on the fixed group transmission piece;
and the other end of the fixed group pushing piece is hinged with the installation fixed group and used for adjusting the position of the installation fixed group.
5. The safety type elevator position sensor according to claim 3, wherein a sliding group limiting mechanism for limiting and protecting the installation sliding group is arranged between the installation fixing group and the installation sliding group, and the sliding group limiting mechanism comprises:
at least one group of sliding limiting grooves are arranged on the side wall of the mounting and fixing group;
the sliding group limiting piece is fixed in the sliding limiting groove and used for installing the guide of the sliding group;
the sliding group buffer pieces are arranged on two sides of the sliding group sleeving piece and arranged in the sliding limiting grooves;
and the sliding group pushing piece is used for connecting the sliding group sleeving piece and installing the sliding group, and two ends of the sliding group pushing piece are respectively hinged with the sliding group sleeving piece and the installing sliding group.
6. The safety type elevator position sensor according to any one of claims 3 to 5, wherein a wire winding mechanism for winding a wire is provided in the protection chamber, the wire winding mechanism is mounted on the mounting fixture, and the wire winding mechanism comprises:
a winding mechanism support part;
at least one set of wire winding assemblies for winding and placing wire.
7. The safety type elevator position sensor according to any one of claims 3 to 5, wherein a protection portion adjusting mechanism for adjusting the position of the protection portion of the photosensitive unit is provided in the protection chamber, the protection portion adjusting mechanism comprising:
the protection part driving piece is fixed in the protection cavity;
and the protection part driving part is fixedly connected with the protection part driving part, one side of the protection part driving part is provided with a protection part driven part, one side of the protection part driven part is rotatably connected with the protection shell, and the other side of the protection part driven part is fixedly connected with the photosensitive unit protection part through a supporting rod.
8. The safety elevator position sensor of any of claims 3-5, wherein the air extracting heat dissipating assembly comprises:
an air draft cavity;
the air exhaust part is arranged in the air exhaust cavity, the output end of the air exhaust part is fixedly connected with at least one group of air exhaust components, and the air exhaust components and the air exhaust part work in a matched mode to exhaust hot air in the working cavity;
the heat extraction opening is arranged in the air extraction cavity, and a check valve is arranged in the heat extraction opening.
9. The safety elevator position sensor of claim 8, wherein the heat collection discrete component comprises:
an airflow dispersion cavity;
the main heat collecting part is arranged in the airflow dispersion cavity and is used for collecting heat in the working cavity;
the auxiliary heat collecting part is arranged in the airflow dispersion cavity and is matched with the main heat collecting part to work.
10. The safety elevator position sensor of claim 6, wherein the wire wrap assembly comprises:
the winding driving piece is arranged on the supporting part of the winding mechanism;
the winding insulation piece is provided with a plurality of winding pieces, the end part of each winding piece is provided with a lead protection piece for protecting a lead, and the winding pieces are fixedly connected with the winding insulation piece;
the winding swing piece is fixedly connected with the winding insulating piece, the winding swing piece is rotatably connected with the supporting part of the winding mechanism, a winding sliding groove is formed in the winding swing piece, a winding connecting part is movably mounted in the winding sliding groove, and the winding connecting part is sleeved on the winding driving piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448607.2A CN114348814A (en) | 2021-11-30 | 2021-11-30 | Safe type elevator position sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111448607.2A CN114348814A (en) | 2021-11-30 | 2021-11-30 | Safe type elevator position sensor |
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| Publication Number | Publication Date |
|---|---|
| CN114348814A true CN114348814A (en) | 2022-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111448607.2A Pending CN114348814A (en) | 2021-11-30 | 2021-11-30 | Safe type elevator position sensor |
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| CN (1) | CN114348814A (en) |
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| CN105731179A (en) * | 2016-04-15 | 2016-07-06 | 烟台三新新能源科技有限公司 | Outdoor power construction take-up reel |
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| CN212696421U (en) * | 2020-08-28 | 2021-03-12 | 深圳兆元信息技术有限公司 | PCB with good heat dissipation performance |
| CN213802422U (en) * | 2020-10-12 | 2021-07-27 | 福建环奥电梯科技股份有限公司 | Elevator car position detection device |
| CN113173517A (en) * | 2021-04-29 | 2021-07-27 | 福建省喜玛拉雅科技实业有限公司 | Lifting device for metal furniture production |
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- 2021-11-30 CN CN202111448607.2A patent/CN114348814A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731179A (en) * | 2016-04-15 | 2016-07-06 | 烟台三新新能源科技有限公司 | Outdoor power construction take-up reel |
| CN109132762A (en) * | 2018-10-12 | 2019-01-04 | 广州广日电梯工业有限公司 | A kind of machine-roomless lift intelligent emergent deliverance apparatus and its rescue mode |
| CN212696421U (en) * | 2020-08-28 | 2021-03-12 | 深圳兆元信息技术有限公司 | PCB with good heat dissipation performance |
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