CN212936415U - Fire-fighting motor control box with switching power supply - Google Patents

Fire-fighting motor control box with switching power supply Download PDF

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Publication number
CN212936415U
CN212936415U CN202022248457.8U CN202022248457U CN212936415U CN 212936415 U CN212936415 U CN 212936415U CN 202022248457 U CN202022248457 U CN 202022248457U CN 212936415 U CN212936415 U CN 212936415U
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pin
box body
power supply
circuit board
control circuit
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CN202022248457.8U
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Chinese (zh)
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郑永福
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Fuzhou Kindesin Electronic Technology Co ltd
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Fuzhou Kindesin Electronic Technology Co ltd
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Abstract

The utility model discloses a fire-fighting motor control box with a switch power supply, a control box, a main control circuit board and a storage battery which are accommodated in the control box side by side along two ends of the control box, wherein the main control circuit board is provided with a plug port, a control button or an indicator light, and the control box is provided with a through groove or a through hole for exposing the plug port, the control button or the indicator light; the main control circuit board is integrated with a control module, a switching power supply module and a steering switching module; the switching power supply module is used for connecting commercial power; the storage battery is set to be the low voltage power supply and is connected with the switching power supply module electricity, turns to the switching module and is connected with switching power supply module and low voltage power supply electricity, turns to the switching module and still is used for connecting outside fire control class motor, and control module is connected with the low voltage power supply respectively with turning to the switching module electricity, and this scheme compact structure, small, the electric power conversion efficiency is high.

Description

Fire-fighting motor control box with switching power supply
Technical Field
The utility model belongs to the technical field of the machine control equipment and specifically relates to fire control type machine control box with switching power supply.
Background
At present, the motor is installed to general rolling slats door department, the state of rolling slats door is controlled through the motor control box, for example, rise, descend or stop, and the motor control box is as the loading carrier of holding main control circuit board and battery, traditional motor control box body volume is great, it is when using, need operating personnel to open the box body of motor control box and open switch and operation, this kind of structure and operation form make motor control box be difficult to further compression on the volume, lead to when installing motor control box, need reserve great installation space and carry out holding motor control box, in addition, need open the structure setting form that motor control box just can carry out operation control rolling slats door, also there is great inconvenience.
The direct current motor is one of the common forms of the fire-fighting motor, the existing motor control box mostly adopts a power frequency transformer for power supply, and the power frequency transformer has the performance limitations of large volume, large heat productivity and low power conversion efficiency, so the structural design of the motor control box is restricted.
Disclosure of Invention
In view of this, the present invention provides a fire-fighting motor control box with a switching power supply, which has high power conversion efficiency, reliable implementation and small size.
In order to realize the technical purpose, the utility model adopts the technical scheme that:
a fire-fighting type motor control box with a switching power supply, comprising: a control box, a main control circuit board and a storage battery which are arranged in the control box along two ends of the control box side by side,
the control box comprises a box body, a separation part, a first cover plate and a second cover plate, wherein the box body is of a rectangular shell structure with two open ends, the structure of the storage battery is matched with the outline of one end in the box body and is fixed at one end in the box body, the main control circuit board is fixed at the other end in the box body, and the separation part is arranged in the box body, is positioned between the storage battery and the main control circuit board and is used for spacing the storage battery and the main control circuit board side by side; the first cover plate is fixed at one end of the box body; the second cover plate is fixed at the other end of the box body and is matched with the first cover plate and the box body to package the main control circuit board and the storage battery in the box body;
the edge of the main control circuit board is provided with an inserting port, a control button or an indicator light, and the box body or the second cover plate is correspondingly provided with a through groove for exposing the inserting port or a through hole for exposing the control button or the indicator light;
the main control circuit board is integrated with a control module, a switch power supply module and a steering switching module;
the switching power supply module is used for connecting commercial power; the battery of encapsulation establishes to low voltage power supply and is connected with the switching power supply module electricity in the control box, turn to switching module and low voltage power supply and switching power supply module electricity and be connected, the switching module that turns to still be used for connecting outside fire control class motor, control module respectively with low voltage power supply with turn to switching module electricity and through turning to switching module control fire control class motor forward rotation.
As a possible implementation manner, further, a voltage stabilizing module is integrated on the main control circuit board, the voltage stabilizing module is electrically connected with the switching power supply module, and the low-voltage power supply is electrically connected with the voltage stabilizing module.
As a possible implementation manner, further, the separating portion includes a pair of separating blocks and a pair of screws, the pair of separating blocks are respectively disposed on two sides of the box body in the length direction and located between the storage battery and the main control circuit board, the pair of screws and the pair of separating blocks are in one-to-one correspondence, penetrate into the box body from the outer side of the box body through threads, and are locked and fixed with the corresponding separating blocks, wherein one side of the separating block is used for abutting against the main control circuit board, and the other side of the separating block is used for abutting against the storage battery.
As a preferred embodiment, it is preferred, main control circuit board on be connected with the other end relatively fixed's in the box body link, main control circuit board on be equipped with a plurality of installation departments, the link include:
the first support rods correspond to the mounting parts one by one, one ends of the first support rods are fixed to one side of the mounting parts, and the other ends of the first support rods are used for abutting against one side of the box body in the width direction;
a plurality of second bracing pieces, with a plurality of installation department one-to-one and one end and installation department other end threaded connection, the other end is used for and offsets with the width direction opposite side in the box body, makes the main control circuit board restrict the other end of fixing in the box body.
As a preferred embodiment, preferably, a plurality of installation portions on the main control circuit board are installation holes, and the connecting frame further includes: the plurality of stud bolts correspond to the plurality of mounting holes on the main control circuit board one by one and penetrate through the mounting holes;
the first support rods correspond to the double-end studs one by one, one ends of the first support rods are in threaded connection with one ends of the double-end studs, and the other ends of the first support rods are used for abutting against one side in the width direction in the box body;
and the second support rods are in one-to-one correspondence with the double-end studs, one end of each second support rod is in threaded connection with the other end of each double-end stud, and the other end of each second support rod is used for abutting against the other side of the width direction in the box body, so that the main control circuit board is restrained and fixed at the other end in the box body.
As a possible implementation manner, further, an insertion port, a control button or an indicator light is disposed at an edge of the main control circuit board close to the second cover plate, and a through groove for exposing the insertion port or a through hole for exposing the control button or the indicator light is correspondingly disposed on the second cover plate.
As a possible implementation manner, further, the box body, the first cover plate and the second cover plate are all made of metal materials, the outer peripheral side of the box body is further provided with heat dissipation ribs, the main control circuit board is provided with a power device, the power device is fixedly connected with a metal heat dissipation sheet, and the metal heat dissipation sheet is attached to the box body, the first cover plate or the second cover plate.
As a possible implementation manner, further, an extension plate is arranged on one side of the first cover plate or the second cover plate, a plurality of mounting holes are formed in the extension plate, a plurality of fixing parts extending to two ends of the box body are arranged on the inner peripheral side of the box body, the first cover plate is in threaded connection with the fixing parts through a plurality of first screws in one-to-one correspondence with the fixing parts, and the first cover plate is locked at one end of the box body; the second cover plate is in threaded connection with the fixing parts through a plurality of second screws in one-to-one correspondence with the fixing parts, and the second cover plate is locked at the other end of the box body.
As a possible implementation, further, the control module includes a chip U4 and a chip U5, a pin 25 of the chip U4 is connected to a pin 5 of the chip U5, a pin 29 of the chip U4 is connected to a pin 3 of the chip U5, and a pin 12 and a pin 14 of the chip U5 are connected to the steering switching module and are used for motor steering switching.
As a preferred embodiment, it is preferable that the switching power supply module includes: chip U, port P, electrolytic capacitor C, electrolytic capacitor C, fuse F, resistor RV, resistor R, rectifier bridge BD, diode D, transformer L, voltage-stabilizing diode U, optical coupling switch emitter U7, optical coupling switch receiver U7, port P is connected to the mains supply, pin 1 is grounded, pin 2 is connected to one end of fuse F, pin 3 is connected to one end of resistor RV, one end of capacitor C and pin 1 of rectifier bridge BD respectively, the other end of fuse F is connected to the other end of capacitor C and pin 2 of rectifier bridge BD respectively, pin 3 of rectifier bridge BD is connected to the positive pole of electrolytic capacitor C, one end of resistor R and pin 1 of transformer L respectively, pin 4 of rectifier bridge BD, the negative pole of electrolytic capacitor C and pin 1, pin 4 of chip U, Pin 2 is grounded, the other end of capacitor C4 and the other end of resistor R1 are both connected to the output terminal of diode D3, pin 5, pin 6, pin 7, and pin 8 of chip U1 are all connected to pin 3 of transformer L1 and the input terminal of diode D3, pin 3 of chip U1 is connected to pin 3 of optocoupler switch receiver U7B, pin 4 of chip U1 is connected to pin 4 of optocoupler switch receiver U7B, the output terminal of diode D4, and the anode of electrolytic capacitor C6, the input terminal of diode D4 is connected to pin 5 of transformer L1, pin 4 of transformer L1 and the cathode of electrolytic capacitor C6 are both grounded, pin 9 of transformer L1 is connected to the input terminal of diode D1, the output terminal of diode D1 is connected to the anode of electrolytic capacitor C3, one end of resistor R3, one end of resistor R4, the anode of electrolytic capacitor C3 is also electrically connected to the voltage stabilizing module w, the cathode of transformer L1 and the cathode of capacitor C3 are both grounded, the other end of resistance R3 is connected to opto-coupler switch emitter U7A's pin 1, the other end of resistance R4 is connected to resistance R5's one end respectively, zener diode U8's pin 1, zener diode U8's pin 2 is connected to opto-coupler switch emitter U7A's pin 2, and opto-coupler switch emitter U7A and the cooperation of opto-coupler switch receiver U7B form the opto-coupler switch, zener diode U8's pin 3, resistance R5's the other end all grounds.
Adopt foretell technical scheme, compared with the prior art, the utility model, its beneficial effect who has is: in addition, the edge of the main control circuit board is provided with a plug port, a control button or an indicator lamp, and the second cover plate is correspondingly provided with a through groove for exposing the plug port or a through hole for exposing the control button or the indicator lamp, through which the operation button, the indicator lamp or the plug port can be directly exposed outside the box body, make operating personnel need not to open the box body and can operate and know the control operational aspect, not only simple, convenient moreover, nimble for the control box can structurally further optimize the compression, makes it more small and exquisite, reduces occupation and improvement convenience of use of installation space simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of connection of modules of a main control circuit board according to the present invention;
fig. 2 is a schematic circuit structure diagram of the switching power supply on the main control circuit board according to the present invention;
fig. 3 is a schematic circuit connection diagram of a control module and a steering switching module on the main control circuit board according to the present invention;
fig. 4 is a schematic circuit connection diagram of the voltage stabilizing module on the main control circuit board according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the present invention, in which the insertion port, the control button, and the indicator light provided at the edge of the main control circuit board are not shown;
fig. 6 is a schematic diagram of a schematic explosion structure of an embodiment of the present invention;
fig. 7 is a schematic three-dimensional schematic diagram of an embodiment of the present invention with the first cover and the second cover hidden, in which the plug port, the control button, the indicator light, and the power device disposed at the edge of the main control circuit board are not shown;
fig. 8 is a schematic diagram of the main control circuit board according to the embodiment of the present invention fixed and constrained in the box body through the connection frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be noted that the following examples are only for illustrating the present invention, but do not limit the scope of the present invention. Similarly, the following embodiments are only some but not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in one of fig. 1 to 8, the utility model discloses fire control class motor control box with switching power supply, it includes: a control box, a main control circuit board 5 and a storage battery 4 which are arranged in the control box along two ends of the control box side by side,
the control box comprises a box body 1, a separating part 6, a first cover plate 2 and a second cover plate 3, wherein the box body 1 is of a rectangular shell structure with two open ends, the structure of the storage battery 4 is matched with the outline of one end in the box body 1 and is fixed at one end in the box body 1, the main control circuit board 5 is fixed at the other end in the box body 1, and the separating part 6 is arranged in the box body 1 and is positioned between the storage battery 4 and the main control circuit board 5 and used for separating the storage battery 4 and the main control circuit board 5 side by side; the first cover plate 2 is fixed at one end of the box body 1; the second cover plate 3 is fixed at the other end of the box body 1 and is matched with the first cover plate 2 and the box body 1 to package the main control circuit board 5 and the storage battery 4 in the box body 1;
in this embodiment, the edge of the main control circuit board 5 close to the second cover plate 3 is provided with an insertion port 51, a control button 52 or an indicator lamp 53, the second cover plate 3 is correspondingly provided with a through slot 32 for exposing the insertion port 51 or a through hole 31 for exposing the control button 52 or the indicator lamp 53, the arrangement position of the insertion port 51, the control button 52 or the indicator lamp 53 is not limited thereto, the main control circuit board 5 may also be provided with an insertion port, a control button or an indicator lamp close to the edge of the box body 1, and in this case, the box body 1 is correspondingly provided with an insertion port, a control button or an indicator lamp for exposing a window;
referring to fig. 1 to 4, a control module, a voltage stabilizing module, a switching power supply module and a steering switching module are integrated on the main control circuit board;
the switching power supply module is used for connecting commercial power; the voltage stabilizing module is electrically connected with the switch power supply module, the storage battery packaged in the control box is set as a low-voltage power supply and is electrically connected with the voltage stabilizing module, the steering switching module is electrically connected with the low-voltage power supply and the switch power supply module, the steering switching module is also used for connecting an external fire-fighting motor, and the control module is respectively electrically connected with the low-voltage power supply and the steering switching module and controls the forward and reverse rotation of the fire-fighting motor through the steering switching module.
Referring to fig. 3 again, as a possible implementation, the control module includes a chip U4 and a chip U5, a pin 25 of the chip U4 is connected to a pin 5 of the chip U5, a pin 29 of the chip U4 is connected to a pin 3 of the chip U5, and a pin 12 and a pin 14 of the chip U5 are connected to the steering switching module and are used for motor steering switching.
The general working principle is as follows: pin 29 of the U4 outputs a signal to pin 3 of the U5 and pin 14 of the U5 uses the enhanced signal to drive the relay K1 to operate the motor in one direction. Pin 25 of the chip U4 outputs a signal to pin 5 of the chip U5, and pin 12 of the chip U5 uses the enhanced signal to drive the relay K2 to move the motor in the other direction.
Referring to fig. 2 again, as a preferred alternative, the switching power supply module preferably includes: chip U, port P, electrolytic capacitor C, electrolytic capacitor C, fuse F, resistor RV, resistor R, rectifier bridge BD, diode D, transformer L, voltage-stabilizing diode U, optical coupling switch emitter U7, optical coupling switch receiver U7, port P is connected to the mains supply, pin 1 is grounded, pin 2 is connected to one end of fuse F, pin 3 is connected to one end of resistor RV, one end of capacitor C and pin 1 of rectifier bridge BD respectively, the other end of fuse F is connected to the other end of capacitor C and pin 2 of rectifier bridge BD respectively, pin 3 of rectifier bridge BD is connected to the positive pole of electrolytic capacitor C, one end of resistor R and pin 1 of transformer L respectively, pin 4 of rectifier bridge BD, the negative pole of electrolytic capacitor C and pin 1, pin 4 of chip U, Pin 2 is grounded, the other end of capacitor C4 and the other end of resistor R1 are both connected to the output terminal of diode D3, pin 5, pin 6, pin 7, and pin 8 of chip U1 are all connected to pin 3 of transformer L1 and the input terminal of diode D3, pin 3 of chip U1 is connected to pin 3 of optocoupler switch receiver U7B, pin 4 of chip U1 is connected to pin 4 of optocoupler switch receiver U7B, the output terminal of diode D4, and the anode of electrolytic capacitor C6, the input terminal of diode D4 is connected to pin 5 of transformer L1, pin 4 of transformer L1 and the cathode of electrolytic capacitor C6 are both grounded, pin 9 of transformer L1 is connected to the input terminal of diode D1, the output terminal of diode D1 is connected to the anode of electrolytic capacitor C3, one end of resistor R3, and one end of resistor R4, the anode of electrolytic capacitor C3 is also electrically connected to the voltage stabilizing module, the pin 7 of transformer L1 and the cathode of electrolytic capacitor C3 are both grounded, the other end of resistance R3 is connected to opto-coupler switch emitter U7A's pin 1, the other end of resistance R4 is connected to resistance R5's one end respectively, zener diode U8's pin 1, zener diode U8's pin 2 is connected to opto-coupler switch emitter U7A's pin 2, and opto-coupler switch emitter U7A and the cooperation of opto-coupler switch receiver U7B form the opto-coupler switch, zener diode U8's pin 3, resistance R5's the other end all grounds.
The power supply topology of the switching power supply module is a flyback isolation power supply, and mains supply 220V enters from a P1 port and is stored as 300V direct-current voltage on an electrolytic capacitor C1 through a fuse F1 and a rectifier bridge BD 1; the chip U1 controls the switch tube in the body to be conducted, the electrolytic capacitor C1 discharges through the transformer L1 and the switch tube in the body of the chip U1, and the transformer L1 starts to store energy; after a certain time, the chip U1 controls the switch tube in the body to be closed, and the transformer L1 releases energy to the electrolytic capacitor C3 through the diode D1; energy is stored in the electrolytic capacitor C3, the energy transmission is finished, 220V alternating current is converted into 10-30V direct current after isolation, and other components play an auxiliary control role.
Wherein, fig. 4 is a schematic diagram of a circuit structure of the voltage stabilizing module according to the present invention.
In addition, the model of the chip U1 is VIPER12A, the model of the chip U4 is STM8S005K6T6, the model of the chip U5 is ULN2003A, and the model of the chip U6 of the voltage stabilizing module is L7812 CV.
The brief work flow of this scheme master control circuit board does:
the commercial power 220V enters the switch power supply module, is converted by the switch power supply module to output isolated direct current DC15V to the voltage stabilizing module, and charges the low-voltage power supply by the voltage stabilizing module.
The switch power supply module and the low-voltage power supply are both supplied with power by the steering switching module.
The control module controls the steering switching module to work and drives the fire-fighting motor.
With reference to fig. 5 to 8, for convenience, as a possible implementation manner, the partition includes a pair of partition blocks 61 and a pair of screws 62, the pair of partition blocks 61 are respectively disposed at two sides of the case 1 in the length direction and located between the battery 4 and the main control circuit board 5, the pair of screws 62 are in one-to-one correspondence with the pair of partition blocks 61 and screwed into the case 1 from the outside of the case 1 and locked and fixed with the corresponding partition blocks 61, wherein one side of the partition block 61 is used for abutting against the main control circuit board 5, and the other side of the partition block 61 is used for abutting against the battery 4.
In order to facilitate the installation and fixation of the main control circuit board 5, as a possible implementation manner, further, a connecting frame 7 relatively fixed with the other end in the box body 1 is connected to the main control circuit board 5; as a preferred implementation option, preferably, the main control circuit board 5 is provided with a plurality of mounting portions 8, and the connecting frame 7 includes:
a plurality of first support rods 71 which correspond to the plurality of mounting parts 8 one by one, one end of each first support rod is fixed to one side of the mounting part 8, and the other end of each first support rod is used for abutting against one side of the box body 1 in the width direction;
a plurality of second bracing pieces 72, with a plurality of installation department 8 one-to-one and one end is fixed with installation department 8 opposite side, the other end be used for with the box body 1 in width direction opposite side offset, make main control circuit board 5 restrict the other end of fixing in box body 1.
As a simple installation form of the connecting frame 7, as a more preferable implementation choice, preferably, the plurality of installation portions 8 on the main control circuit board 5 are installation holes, and the connecting frame 7 further includes: the plurality of stud bolts 73 correspond to the plurality of mounting holes on the main control circuit board 5 one by one and penetrate through the mounting holes;
the first support rods 71 correspond to the stud bolts 73 one by one, one end of each first support rod is in threaded connection with one end of each stud bolt 73, and the other end of each first support rod is used for abutting against one side in the width direction in the box body 1;
the second support rods 72 correspond to the studs 73 one by one, one end of each second support rod is in threaded connection with the other end of each stud 73, and the other end of each second support rod is used for abutting against the other side of the width direction in the box body 1, so that the main control circuit board 5 is restrained and fixed at the other end of the box body 1.
In order to improve the heat dissipation capability, as a possible implementation manner, the box body 1, the first cover plate 2 and the second cover plate 3 are all made of metal materials, the outer peripheral side of the box body 1 is further provided with heat dissipation ribs 11, one of the functions of the heat dissipation ribs 11 is to improve the contact area of the box body 1 and air, improve the heat dissipation efficiency, and meanwhile, the heat dissipation ribs 11 also have a certain reinforcing rib function, so that the structural strength of the shell of the box body 1 is improved; as a possible implementation manner, further, the main control circuit board 5 is provided with a power device 54, the power device 54 is fixedly connected with a metal heat sink 55, and the metal heat sink 55 is attached to the box body 1 or the second cover plate 3; for the convenience of installation, an extension plate 21 is disposed on one side of the first cover plate 2 or the second cover plate 3, and a plurality of installation holes 211 are disposed on the extension plate 21, in this embodiment, the extension plate 21 is disposed on the first cover plate 2.
In addition, in order to facilitate the assembly of the first cover plate 2 and the second cover plate 3, as a possible implementation manner, further, a plurality of fixing parts 12 extending to two ends of the case body 1 are provided on the inner peripheral side of the case body 1, the first cover plate 2 is in threaded connection with the fixing parts 12 through a plurality of first screws (not shown) corresponding to the fixing parts 12 one by one, and the first cover plate 2 is locked at one end of the case body 1; the second cover plate 3 is in threaded connection with the fixing part through a plurality of second screws (not shown) corresponding to the fixing parts 12 one by one, so that the second cover plate 3 is locked at the other end of the box body 1.
The above only is the partial embodiment of the utility model discloses a not therefore restriction the utility model discloses a protection scope, all utilize the utility model discloses equivalent device or equivalent flow transform that the content of description and drawing was done, or direct or indirect application in other relevant technical field, all the same reason is included in the patent protection scope of the utility model.

Claims (10)

1. The utility model provides a fire control class motor control box with switching power supply which characterized in that: it includes: the control box, the main control circuit board and the storage battery are accommodated in the control box side by side along two ends of the control box;
the control box comprises a box body, a separation part, a first cover plate and a second cover plate, wherein the box body is of a rectangular shell structure with two open ends, the structure of the storage battery is matched with the outline of one end in the box body and is fixed at one end in the box body, the main control circuit board is fixed at the other end in the box body, and the separation part is arranged in the box body, is positioned between the storage battery and the main control circuit board and is used for spacing the storage battery and the main control circuit board side by side; the first cover plate is fixed at one end of the box body; the second cover plate is fixed at the other end of the box body and is matched with the first cover plate and the box body to package the main control circuit board and the storage battery in the box body;
the edge of the main control circuit board is provided with an inserting port, a control button or an indicator light, and the box body or the second cover plate is correspondingly provided with a through groove for exposing the inserting port or a through hole for exposing the control button or the indicator light;
the main control circuit board is integrated with a control module, a switch power supply module and a steering switching module;
the switching power supply module is used for connecting commercial power; the battery of encapsulation establishes to low voltage power supply and is connected with the switching power supply module electricity in the control box, turn to switching module and low voltage power supply and switching power supply module electricity and be connected, the switching module that turns to still be used for connecting outside fire control class motor, control module respectively with low voltage power supply with turn to switching module electricity and through turning to switching module control fire control class motor forward rotation.
2. A fire-fighting type motor control box with a switching power supply as claimed in claim 1, characterized in that: the main control circuit board is further integrated with a voltage stabilizing module, the voltage stabilizing module is electrically connected with the switch power supply module, and the low-voltage power supply is electrically connected with the voltage stabilizing module.
3. A fire-fighting type motor control box with a switching power supply as claimed in claim 2, characterized in that: the partition part comprises a pair of partition blocks and a pair of screws, the pair of partition blocks are respectively arranged on two sides of the length direction in the box body and are located between the storage battery and the main control circuit board, the pair of screws and the pair of partition blocks are in one-to-one correspondence and penetrate into the box body from threads on the outer side of the box body and are locked and fixed with the corresponding partition blocks, one side of each partition block is used for abutting against the main control circuit board, and the other side of each partition block is used for abutting against the storage battery.
4. A fire-fighting type motor control box with a switching power supply as claimed in claim 3, characterized in that: the main control circuit board on be connected with the other end relatively fixed's in the box body link, the main control circuit board on be equipped with a plurality of installation departments, the link include:
the first support rods correspond to the mounting parts one by one, one ends of the first support rods are fixed to one side of the mounting parts, and the other ends of the first support rods are used for abutting against one side of the box body in the width direction;
a plurality of second bracing pieces, with a plurality of installation department one-to-one and one end and installation department other end threaded connection, the other end is used for and offsets with the width direction opposite side in the box body, makes the main control circuit board restrict the other end of fixing in the box body.
5. A fire-fighting type motor control box with a switching power supply as defined in claim 4, wherein: a plurality of installation departments on the main control circuit board are the mounting hole, just the link still include: the plurality of stud bolts correspond to the plurality of mounting holes on the main control circuit board one by one and penetrate through the mounting holes;
the first support rods correspond to the double-end studs one by one, one ends of the first support rods are in threaded connection with one ends of the double-end studs, and the other ends of the first support rods are used for abutting against one side in the width direction in the box body;
and the second support rods are in one-to-one correspondence with the double-end studs, one end of each second support rod is in threaded connection with the other end of each double-end stud, and the other end of each second support rod is used for abutting against the other side of the width direction in the box body, so that the main control circuit board is restrained and fixed at the other end in the box body.
6. A fire-fighting type motor control box with a switching power supply as claimed in claim 1, characterized in that: the edge of the main control circuit board close to the second cover plate is provided with an inserting port, a control button or an indicator lamp, and the second cover plate is correspondingly provided with a through groove for exposing the inserting port or a through hole for exposing the control button or the indicator lamp.
7. A fire-fighting type motor control box with a switching power supply as claimed in claim 1, characterized in that: the box body, the first cover plate and the second cover plate are all made of metal materials and are molded, heat dissipation ribs are further arranged on the outer peripheral side of the box body, a power device is arranged on the main control circuit board, a metal heat dissipation sheet is fixedly connected with the power device, and the metal heat dissipation sheet is attached to the box body, the first cover plate or the second cover plate.
8. A fire-fighting type motor control box with a switching power supply as claimed in claim 1, characterized in that: an extension plate is arranged on one side of the first cover plate or the second cover plate, a plurality of mounting holes are formed in the extension plate, a plurality of fixing parts extending to two ends of the box body are arranged on the inner peripheral side of the box body, the first cover plate is in threaded connection with the fixing parts through a plurality of first screws in one-to-one correspondence with the fixing parts, and the first cover plate is locked at one end of the box body; the second cover plate is in threaded connection with the fixing parts through a plurality of second screws in one-to-one correspondence with the fixing parts, and the second cover plate is locked at the other end of the box body.
9. A fire-fighting type motor control box with a switching power supply as claimed in claim 2, characterized in that: the control module comprises a chip U4 and a chip U5, a pin 25 of the chip U4 is connected with a pin 5 of the chip U5, a pin 29 of the chip U4 is connected with a pin 3 of the chip U5, and a pin 12 and a pin 14 of the chip U5 are connected with the steering switching module and used for motor steering switching.
10. A fire-fighting type motor control box with a switching power supply as defined in claim 9, wherein: the switching power supply module comprises: chip U, port P, electrolytic capacitor C, electrolytic capacitor C, fuse F, resistor RV, resistor R, rectifier bridge BD, diode D, transformer L, voltage-stabilizing diode U, optical coupling switch emitter U7, optical coupling switch receiver U7, port P is connected to the mains supply, pin 1 is grounded, pin 2 is connected to one end of fuse F, pin 3 is connected to one end of resistor RV, one end of capacitor C and pin 1 of rectifier bridge BD respectively, the other end of fuse F is connected to the other end of capacitor C and pin 2 of rectifier bridge BD respectively, pin 3 of rectifier bridge BD is connected to the positive pole of electrolytic capacitor C, one end of resistor R and pin 1 of transformer L respectively, pin 4 of rectifier bridge BD, the negative pole of electrolytic capacitor C and pin 1, pin 4 of chip U, Pin 2 is grounded, the other end of capacitor C4 and the other end of resistor R1 are both connected to the output terminal of diode D3, pin 5, pin 6, pin 7, and pin 8 of chip U1 are all connected to pin 3 of transformer L1 and the input terminal of diode D3, pin 3 of chip U1 is connected to pin 3 of optocoupler switch receiver U7B, pin 4 of chip U1 is connected to pin 4 of optocoupler switch receiver U7B, the output terminal of diode D4, and the anode of electrolytic capacitor C6, the input terminal of diode D4 is connected to pin 5 of transformer L1, pin 4 of transformer L1 and the cathode of electrolytic capacitor C6 are both grounded, pin 9 of transformer L1 is connected to the input terminal of diode D1, the output terminal of diode D1 is connected to the anode of electrolytic capacitor C3, one end of resistor R3, and one end of resistor R4, the anode of electrolytic capacitor C3 is also electrically connected to the voltage stabilizing module, the pin 7 of transformer L1 and the cathode of electrolytic capacitor C3 are both grounded, the other end of resistance R3 is connected to opto-coupler switch emitter U7A's pin 1, the other end of resistance R4 is connected to resistance R5's one end respectively, zener diode U8's pin 1, zener diode U8's pin 2 is connected to opto-coupler switch emitter U7A's pin 2, and opto-coupler switch emitter U7A and the cooperation of opto-coupler switch receiver U7B form the opto-coupler switch, zener diode U8's pin 3, resistance R5's the other end all grounds.
CN202022248457.8U 2020-10-10 2020-10-10 Fire-fighting motor control box with switching power supply Active CN212936415U (en)

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CN202022248457.8U CN212936415U (en) 2020-10-10 2020-10-10 Fire-fighting motor control box with switching power supply

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Application Number Priority Date Filing Date Title
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