CN211655735U

CN211655735U - Intelligent motor control protection device

Info

Publication number: CN211655735U
Application number: CN202020571768.5U
Authority: CN
Inventors: 张晓锋
Original assignee: Shanghai Huatong Electrical Appliance Factory Co ltd
Current assignee: Shanghai Huatong Electrical Appliance Factory Co ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-10-09
Anticipated expiration: 2030-04-17

Abstract

The utility model belongs to the technical field of motor intelligent protector, and discloses an intelligent motor control protection device, which comprises a shell, a panel is installed on one side of the shell, a base plate is fixed in the shell, a controller is installed in the shell near the upper part of the base plate, a fixing frame is installed at the bottom of the shell, a ventilation groove is arranged at the top of the shell, a driving motor is fixedly connected in the fixing frame through a bracket, a ventilation hole is arranged at the bottom end of the fixing frame near the upper part of a blade, a rotating sheet is movably connected in the ventilation groove through a rotating shaft, and a filter screen is installed at the two ends of the inner part of the ventilation groove near one side of the rotating sheet, the utility model can rapidly discharge the heat in the shell through the matching of the fixing frame, the driving motor, the blade, the ventilation hole, the ventilation groove and the rotating sheet, thereby effectively, safe and efficient, and improves the heat dissipation effect.

Description

Intelligent motor control protection device

Technical Field

The utility model belongs to the technical field of motor intelligent protection ware, concretely relates to intelligence motor control protection device.

Background

The intelligent protector for motor is to protect the motor comprehensively, and takes protection measures when the motor is in over-current, over-load, under-current, phase failure, locked rotor, short circuit, over-voltage, under-voltage, electric leakage and three-phase unbalance state.

In chinese patent with patent number CN201821102901.1, an intelligent motor control protection device is disclosed, because a large amount of electronic modules have been integrated on the inside circuit board of device, consequently, need dispel the heat to the inside of device, but the device's actual radiating effect is general, be difficult to quick discharge inside heat, the complex operation is loaded down with trivial details, the security performance is poor, in addition, in order to facilitate the staff's maintenance, be detachable construction usually between the shell of device and the panel, and be difficult to make it close tightly when staff's installation panel and shell, there can be certain clearance between panel and the shell, thereby influence the installation effect.

Disclosure of Invention

An object of the utility model is to provide an intelligence motor control protection device to the actual radiating effect who proposes in solving above-mentioned background art is general, and the complex operation is loaded down with trivial details, and panel and shell are difficult to close tight problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an intelligence motor control protection device, includes the casing, the panel is installed to one side of casing, and the inside of casing is fixed with the base plate, the controller is installed to the inside top that is close to the base plate of casing, fixed frame is installed to the bottom of casing, and the top of casing has seted up the ventilation groove, the inside of fixed frame is fixed with through the support and is connected with driving motor, the blade is installed on driving motor's top, the ventilation hole has been seted up to the top that fixed frame bottom is close to the blade, there is the rotor in the inside in ventilation groove through pivot swing joint, and the inside both ends in ventilation groove are close to one side of rotor and all install the filter screen, driving motor and controller electric connection.

Preferably, the fixed plate is all installed with the bottom on the top of casing, and the top of casing and bottom one end all seted up with fixed plate assorted draw-in groove, the swivel nut is installed to the one side that the one end bottom that the draw-in groove was kept away from to the fixed plate is close to the panel, the screw rod has been run through to the inside of swivel nut, the spring is installed to the one end that the screw rod is close to the panel, the other end of screw rod is fixed with the turning block, the locating piece is installed to the one end that the screw rod was.

Preferably, a mounting plate is fixed on one side of the shell, which is far away from the panel, and heat dissipation holes are formed in the bottom of the fixing frame.

Preferably, the outer wall of the fixing plate is provided with an insulating pad, and the outer wall of the insulating pad is provided with a protrusion.

Preferably, the inner wall of the clamping groove is provided with a rubber pad, and the outer wall of the rubber pad is provided with an anti-slip groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a cooperation of fixed frame, driving motor, blade, ventilation hole, ventilation groove and revolving fragment, heat in the casing of can discharging fast to effectual effect of playing the cooling, it is safe high-efficient, improved the radiating effect.

(2) The utility model discloses a with fixed plate, draw-in groove, turning block, screw rod, swivel nut, spring and the cooperation of moving the locating piece for tight casing is supported to the panel, thereby makes panel and casing close tightly, has reduced space clearance, has improved the installation effect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: 1-a shell; 2-mounting a plate; 3, fixing a plate; 4-an insulating pad; 5-positioning a block; 6-turning the block; 7-a thread sleeve; 8-a panel; 9-screw rod; 10-a spring; 11-a fixed frame; 12-a vent hole; 13-a blade; 14-a drive motor; 15-a card slot; 16-a substrate; 17-a controller; 18-a ventilation slot; 19-a rotating plate; 20-a filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: an intelligent motor control protection device comprises a shell 1, wherein a panel 8 is installed on one side of the shell 1, a substrate 16 is fixed inside the shell 1, the substrate 16 belongs to an integrated circuit board, and a TVS suppression module SMBJ200A, an ULN2003L driving module, an SP485EEN communication chip, an integrated power manager CJ431, an AMS1117-3.3 voltage stabilization module, a VIPer22A switch module, a 2N7002 encoder chip, an output signal module, an input signal module, a high-frequency power module, a MICROCHIP storage module and other electronic components are integrated on the substrate, so that the device integrates functions of a circuit breaker, a contactor, a thermal relay, a leakage protector and the like, can measure three-phase current, zero-sequence current, three-phase current imbalance, three-phase voltage, three-phase imbalance, active/reactive power, power factor, frequency and other electric quantities of a motor in operation, and sends signals to a controller 17, the controller 17 is installed in the casing 1 near the upper part of the base plate 16, when faults such as phase failure, overcurrent, load blocking, short circuit, undercurrent, overvoltage, electric leakage, three-phase imbalance and the like occur, the controller 17 can send instructions to protect and start and stop the motor, further start and stop control of a fan water pump is realized, equipment faults are monitored, interfaces for building, fire protection and hard line control are realized, and particularly, corresponding optimization is performed on a fire control function, the model of the controller 17 is a CPU226, the rated power is 11W, the working voltage is 24V, the bottom of the casing 1 is provided with the fixing frame 11, the top of the casing 1 is provided with the ventilation groove 18, the driving motor 14 is fixedly connected in the fixing frame 11 through a bracket, the model adopted by the driving motor 14 is 37GB520, the top end of the driving motor 14 is provided with the blade 13, the bottom end of the fixing frame 11 is provided with the ventilation hole, there is revolving fragment 19 inside ventilation groove 18 through pivot swing joint, and filter screen 20 is all installed to one side that the inside both ends of ventilation groove 18 are close to revolving fragment 19, filter screen 20 has dirt-proof effect, start driving motor 14 inside fixed frame 11 through controller 17, it is rotatory to make driving motor 14 worker drive blade 13, then the rotatory inside that produces of blade 13 gets into casing 1 through ventilation hole 12, and exchange with external air through ventilation groove 18, revolving fragment 19 is rotatory under the effect of air current simultaneously, thereby accelerate the circulation of air speed of ventilation groove 18 department, and then discharge the heat in the casing 1 fast, the effectual cooling effect that has played, safety and high efficiency, the radiating effect is improved, driving motor 14 and controller 17 electric connection.

Further, the top end and the bottom end of the shell 1 are both provided with a fixing plate 3, one end of the top and the bottom of the shell 1 is provided with a clamping groove 15 matched with the fixing plate 3, one side of the bottom of one end of the fixing plate 3 far away from the clamping groove 15, close to the panel 8, is provided with a threaded sleeve 7, a screw 9 penetrates through the threaded sleeve 7, one end of the screw 9, close to the panel 8, is provided with a spring 10, the other end of the screw 9 is fixed with a rotating block 6, one end of the spring 10, far away from the screw 9, is provided with a positioning block 5, after the panel 8 is arranged on the shell 1, the end part of the fixing plate 3 can be inserted into the clamping groove 15, then the rotating block 6 is rotated to drive the screw 9 to move in the threaded sleeve 7, then the screw 9 drives the positioning block 5 to move through the spring 10, so that the positioning block 5 abuts against the side wall of the panel 8, thereby the, the space clearance is reduced, and the installation effect is improved.

Further, one side of the casing 1 far away from the panel 8 is fixed with a mounting plate 2, the mounting plate 2 plays a role in facilitating fixing of the casing 1, and a heat dissipation hole is formed in the bottom of the fixing frame 11.

Specifically, the outer wall of the fixing plate 3 is provided with an insulating pad 4, the insulating pad 4 plays a role of insulating protection, and the outer wall of the insulating pad 4 is provided with a protrusion.

Specifically, the inner wall of the clamping groove 15 is provided with a rubber pad, the rubber pad has an anti-skid effect, and the outer wall of the rubber pad is provided with an anti-skid groove.

The utility model discloses a theory of operation and use flow: the utility model discloses a when using, it is fixed with casing 1 through mounting panel 2, and in inserting the circuit with the device through the wire, make it and fire control, building, DDC etc. scene carry out electric connection, and base plate 16 in the device belongs to integrated circuit board, it suppresses module SMBJ200A, ULN2003L drive module to integrate TVS on it, SP485EEN communication chip, integrated power manager CJ431, AMS1117-3.3 voltage stabilizing module, VIPer22A switch module, 2N7002 encoder chip, output signal module, input signal module, high frequency power module, MICROCHIP storage module etc. electronic components, thereby make the device integrate functions such as circuit breaker, contactor, thermal relay, earth leakage protector, can measure three phase current, zero sequence current, three phase current unbalance, three phase voltage, zero sequence voltage, three phase voltage unbalance, active/reactive power, power factor, Frequency and other electric quantities, and sends signals to the controller 17, then the controller 17 sends instructions to protect and start and stop faults such as phase failure, overcurrent, load blockage, short circuit, undercurrent, overvoltage, electric leakage, three-phase imbalance and the like which may occur, further realize start and stop control of a fan water pump, monitor equipment faults, realize interfaces for building, fire control and hard line control, and particularly perform corresponding optimization on a fire control function, in addition, after the panel 8 and the shell 1 are installed, the end part of the fixed plate 3 can be inserted into the clamping groove 15, then the rotating block 6 is rotated to drive the screw rod 9 to move in the threaded sleeve 7, then the screw rod 9 drives the positioning block 5 to move through the spring 10, so that the positioning block 5 abuts against the side wall of the panel 8, the panel 8 abuts against the shell 1 under the elastic action of the spring 10, further the panel 8 and the shell 1 are tightly closed, when the device works, start driving motor 14 inside fixed frame 11 through controller 17, it is rotatory to make driving motor 14 drive blade 13, then the rotatory inside that produces of blade 13 passes through ventilation hole 12 and gets into casing 1, and exchange through ventilation groove 18 and external air, revolving fragment 19 is rotatory under the effect of air current simultaneously, thereby accelerate the circulation of air speed of ventilation groove 18 department, and then the heat in the quick discharge casing 1, the effectual cooling effect that has played, safety and high efficiency, the radiating effect has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligence motor control protection device which characterized in that: the novel ventilating device comprises a housin, the panel is installed to one side of casing, and the inside of casing is fixed with the base plate, the controller is installed to the inside top that is close to the base plate of casing, fixed frame is installed to the bottom of casing, and the top of casing has seted up the ventilation groove, the inside of fixed frame is fixed with through the support and is connected with driving motor, the blade is installed on driving motor's top, the ventilation hole has been seted up to fixed frame bottom near the top of blade, there is the revolving fragment inside in ventilation groove through pivot swing joint, and the inside both ends in ventilation groove all install the filter screen near one side of revolving fragment, driving motor and controller electric connection.

2. The intelligent motor control protection device of claim 1, wherein: the fixed plate is all installed to the top and the bottom of casing, and the top of casing and bottom one end all seted up with fixed plate assorted draw-in groove, the swivel nut is installed to one side that the one end bottom that the draw-in groove was kept away from to the fixed plate is close to the panel, the screw rod has been run through to the inside of swivel nut, the spring is installed to the one end that the screw rod is close to the panel, the other end of screw rod is fixed with the turning block, the locating piece is installed to the one end that the screw rod was.

3. The intelligent motor control protection device of claim 1, wherein: the panel is kept away from to the casing one side is fixed with the mounting panel, the louvre has been seted up to the bottom of fixed frame.

4. The intelligent motor control protection device of claim 2, wherein: the outer wall of the fixing plate is provided with an insulating pad, and the outer wall of the insulating pad is provided with a bulge.

5. The intelligent motor control protection device of claim 2, wherein: the rubber pad is installed to the inner wall of draw-in groove, and the outer wall of rubber pad has seted up anti-skidding groove.