CN211887415U - Power communication equipment cabinet with automatic ash removal function - Google Patents
Power communication equipment cabinet with automatic ash removal function Download PDFInfo
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- CN211887415U CN211887415U CN201922477964.6U CN201922477964U CN211887415U CN 211887415 U CN211887415 U CN 211887415U CN 201922477964 U CN201922477964 U CN 201922477964U CN 211887415 U CN211887415 U CN 211887415U
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- 239000000428 dust Substances 0.000 claims abstract description 24
- 238000009423 ventilation Methods 0.000 claims abstract description 7
- 102100039435 C-X-C motif chemokine 17 Human genes 0.000 claims description 15
- 101000889048 Homo sapiens C-X-C motif chemokine 17 Proteins 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 description 13
- 238000005367 electrostatic precipitation Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000003068 static effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
Power communication equipment rack with automatic deashing function belongs to power equipment technical field. The problems that heat dissipation is poor in a cabinet of the power communication equipment and ash removal needs to be timely disassembled are solved. The middle parts of two opposite walls of the cabinet body of the utility model are distributed with vent holes, and the middle parts of two side walls distributed with vent holes are all outwards protruded, the inner sides of two side walls distributed with vent holes are provided with electrostatic dust collection nets, a fan fixing plate is arranged between the electrostatic dust collection net and the side wall distributed with vent holes, and a plurality of fans are fixed on the fan fixing plate at equal intervals; the wind direction of the fan is from the inside to the outside of the cabinet body; the inner sides of the two side walls with the ventilation holes distributed in the middle are respectively provided with a roller shutter device. The utility model is suitable for an use as the power communication rack.
Description
Technical Field
The utility model belongs to the technical field of power equipment.
Background
The power communication equipment is the basis of power grid dispatching automation, network operation marketization and management modernization; the intelligent power distribution cabinet is an important means for ensuring safe, stable and economic operation of a power grid and is an important infrastructure of a power system, power communication equipment is generally installed in the cabinet body, but the existing cabinet bodies all have the problems that the heat dissipation performance is poor, and dust is easily accumulated on the surface of equipment with high temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the deashing is dismantled to poor, the needs of heat dissipation in the power communication equipment rack regularly, provided a power communication equipment rack with automatic deashing function.
The utility model discloses a power communication equipment cabinet with automatic deashing function, including cabinet body 1, roll up curtain device 4, electrostatic dust absorption net 5, fan fixed plate 6, magnetic stripe 7, fan 8, rainwater sensor 9, temperature sensor 10 and control circuit;
the middle parts of two opposite walls of the cabinet body 1 are distributed with vent holes, the middle parts of two side walls distributed with vent holes in the middle parts are both outwards protruded, the inner sides of the two side walls distributed with vent holes in the middle parts are both provided with electrostatic dust collection nets 5, a fan fixing plate 6 is arranged between each electrostatic dust collection net 5 and the side wall distributed with vent holes in the middle part, and a plurality of fans 8 are fixed on the fan fixing plate 6 at equal intervals; the wind direction of the fan 8 is from the inside to the outside of the cabinet body 1;
the inner sides of the two side walls with the ventilation holes distributed in the middle are respectively provided with a roller shutter device 4, and the bottom end of a shielding curtain of the roller shutter device 4 is provided with a metal strip;
the lower parts of the two side walls with the ventilation holes distributed in the middle are respectively fixed with a magnetic strip 7; the magnetic strip 7 is used for adsorbing a metal strip at the bottom end of the shielding curtain of the roller shutter device 4;
the rain sensor 9 is arranged at the top end of the cabinet body 1 and used for collecting whether rain falls or not, and a signal output end of the rain sensor 9 is connected with a rain signal input end of the control circuit;
the temperature sensor 10 is used for collecting temperature signals in the cabinet body 1, and the signal output end of the temperature sensor 10 is connected with the temperature signal input end of the control circuit;
the control circuit controls the roller shutter device 4 to put down or withdraw the roller shutter according to the signal collected by the rainwater sensor; the power switch of the fan 8 is controlled according to the signal collected by the temperature sensor 10.
Further, the control circuit comprises a roller shutter device control sub-circuit;
the signal output end of the rain sensor 9 is connected with the rain signal input end of the control sub-circuit of the roller shutter device 4;
the rolling curtain device 4 control sub-circuit is used for controlling the two rolling curtain devices 4 to put down or retract according to the received rainwater signals, and the two rolling curtain devices 4 are put down or retracted by controlling the positive rotation or the negative rotation of the two motors M1 and M2 of the two rolling curtain devices 4;
the control sub-circuit of the roller shutter device 4 comprises a switch J1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a diode D1, a diode D2, a diode D3, a comparator U1, a comparator U2, a triode Q1, a triode Q2, an alternating current contactor KM1, an alternating current contactor KM2 and a thermal relay FR;
the cathode of the diode D1 is connected with a power supply VCC1 through a switch J1, and the anode of the diode D1 is grounded through a resistor R3;
the anode of the diode D1 is connected with the reverse signal input end of the comparator U2 through a resistor R5, and the reverse signal input end of the comparator U2 is connected with the signal output end of the comparator U2 through a resistor R7;
the homodromous signal input end of the comparator U2 is connected with the signal output end of the rain sensor 9 through a resistor R4;
the equidirectional signal input end of the comparator U2 is grounded through a resistor R6;
a positive power supply signal input end of the comparator U2 is connected with a power supply VCC 1;
the signal output end of the comparator U2 is connected with the base electrode of a triode Q2 through a resistor R13, and the emitting electrode of the triode Q2 is grounded;
the collector of the triode Q2 is connected with the anode of the diode D3, and the cathode of the diode D3 is connected with a power supply VCC 1;
the collector of the triode Q2 is also connected with a power supply VCC1 through a coil of an alternating current contactor KM 2;
the anode of the diode D1 is connected with the positive signal input end of the comparator U1 through the resistor R9; the positive signal input end of the comparator U1 is connected with the signal output end of the comparator U1 through a resistor R8; a positive power supply signal input end of the comparator U1 is connected with a power supply VCC 1;
the reverse signal input end of the comparator U1 is connected with the signal output end of the rain sensor 9 through a resistor R10;
the reverse signal input end of the comparator U1 is grounded through a resistor R11, and the negative power supply signal input end of the comparator U1 is grounded;
the signal output end of the comparator U1 is connected with the base electrode of a triode Q1 through a resistor R12; the emitter of the triode Q1 is grounded;
the collector of the triode Q1 is connected with the anode of the diode D2, and the cathode of the diode D2 is connected with a power supply VCC 1;
the collector of the triode Q1 is also connected with a power supply VCC1 through a coil of an alternating current contactor KM 1;
the motor M1 and the motor M2 are connected with a three-phase power supply after being connected in series with a normally open main contact of the alternating current contactor KM1 through a thermal relay FR, and the normally open main contact of the alternating current contactor KM2 is reversely connected in parallel at two ends of the normally open main contact of the alternating current contactor KM 1.
Further, the control circuit includes a fan control sub-circuit; the signal input end of the fan control sub-circuit is connected with the signal output end of the temperature sensor 10, and the fan control sub-circuit is used for controlling a power switch of the fan 8 according to the temperature signal;
the fan control sub-circuit comprises a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a diode D4, a diode D5, a comparator U3, a triode Q3 and a relay K1;
the cathode of the diode D4 is connected with a power supply VCC1, and the anode of the diode D4 is grounded through a resistor R14;
the anode of the diode D4 is connected with the positive signal input end of the comparator U3 through the resistor R15, and the positive signal input end of the comparator U3 is connected with the signal output end of the comparator U3 through the resistor R17;
the inverting signal input terminal of the comparator U3 is connected to the signal output terminal of the temperature sensor 10 through a resistor R16,
the reverse signal input end of the comparator U3 is grounded through a resistor R18, and the negative power supply end of the comparator U3 is grounded;
the signal output end of the comparator U3 is connected with the base electrode of a triode Q3 through a resistor R19;
the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the anode of the diode D5, and the cathode of the diode D5 is connected with a power supply VCC 1;
the collector of the triode Q3 is also connected with a power supply VCC1 through a coil of a relay K1;
the switch of relay K1 is connected in series between a power supply VCC2 and a plurality of fans 8, which fans 8 are connected in parallel.
Further, still include rain-proof lid 3 sets up on the top of rack body 1, rack body 1 is the upper shed's cabinet body, and rain-proof lid 3's area is greater than rack body 1 upper shed's area, and rain-proof lid 3's edge is equipped with decurrent edge, and rain-proof lid 3 leaves the gap between the cabinet body.
Further, the electrostatic dust collector also comprises an electrostatic generating device, and an electrostatic signal output end of the electrostatic generating device is connected with the electrostatic dust collection net 5.
The utility model discloses a mode of electrostatic precipitation realizes adsorbing the dust in the rack to electrostatic precipitation net, set up the fan in the outside of electrostatic precipitation net, the dust on the electrostatic precipitation net is taken out from the inside of rack by the fan, the radiating problem of too much influence is saved to host computer dust in having avoided the rack like this, need not regularly to dismantle simultaneously and clear up the rack, can also cool down in real time the rack through the fan, when the weather of rainy appearing, gather the vent that the rainwater blocked the rack both sides through rain sensor, avoid the rainwater to get into in the rack, guaranteed that the rack is not got into by the rainwater, and simultaneously, the effectual heat dissipation that improves the rack.
Drawings
Fig. 1 is a schematic structural diagram of a power communication equipment cabinet with an automatic ash removal function according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a cabinet of power communication equipment with an automatic ash removal function;
FIG. 3 is a circuit diagram of a control sub-circuit of the roll screen device;
fig. 4 is a circuit diagram of the fan control sub-circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The first embodiment is as follows: the following describes the present embodiment with reference to fig. 1 to 4, and the power communication equipment cabinet with automatic dust cleaning function in the present embodiment includes a cabinet body 1, a rolling device 4, an electrostatic dust collection net 5, a fan fixing plate 6, a magnetic strip 7, a fan 8, a rain sensor 9, a temperature sensor 10, and a control circuit;
the middle parts of two opposite walls of the cabinet body 1 are distributed with vent holes, the middle parts of two side walls distributed with vent holes in the middle parts are both outwards protruded, the inner sides of the two side walls distributed with vent holes in the middle parts are both provided with electrostatic dust collection nets 5, a fan fixing plate 6 is arranged between each electrostatic dust collection net 5 and the side wall distributed with vent holes in the middle part, and a plurality of fans 8 are fixed on the fan fixing plate 6 at equal intervals; the wind direction of the fan 8 is from the inside to the outside of the cabinet body 1;
the inner sides of the two side walls with the ventilation holes distributed in the middle are respectively provided with a roller shutter device 4, and the bottom end of a shielding curtain of the roller shutter device 4 is provided with a metal strip;
the lower parts of the two side walls with the ventilation holes distributed in the middle are respectively fixed with a magnetic strip 7; the magnetic strip 7 is used for adsorbing a metal strip at the bottom end of the shielding curtain of the roller shutter device 4;
the rain sensor 9 is arranged at the top end of the cabinet body 1 and used for collecting whether rain falls or not, and a signal output end of the rain sensor 9 is connected with a rain signal input end of the control circuit;
the temperature sensor 10 is used for collecting temperature signals in the cabinet body 1, and the signal output end of the temperature sensor 10 is connected with the temperature signal input end of the control circuit;
the control circuit controls the roller shutter device 4 to put down or withdraw the roller shutter according to the signal collected by the rainwater sensor; the power switch of the fan 8 is controlled according to the signal collected by the temperature sensor 10.
The utility model discloses a rain sensor gathers whether the environment that the rack is located is rainy, if it is rainy then control roll curtain device will roll up the curtain and put down, it is originally internal to avoid the rainwater to get into the rack, make the interior moist influence of power communication equipment of rack use, simultaneously can be according to temperature control fan switch, the effectual realization accelerates the heat dissipation, simultaneously, adopt the dust of electrostatic precipitation net in to the rack to adsorb, when the fan outwards drafts, realized the clearance to the electrostatic precipitation net, the effectual automatic clearance of dust in the rack that has realized.
Further, the present embodiment is described with reference to fig. 3, and in the present embodiment, the control circuit includes a rolling shutter device control sub-circuit;
the signal output end of the rain sensor 9 is connected with the rain signal input end of the control sub-circuit of the roller shutter device 4;
the rolling curtain device 4 control sub-circuit is used for controlling the two rolling curtain devices 4 to put down or retract according to the received rainwater signals, and the two rolling curtain devices 4 are put down or retracted by controlling the positive rotation or the negative rotation of the two motors M1 and M2 of the two rolling curtain devices 4;
the control sub-circuit of the roller shutter device 4 comprises a switch J1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a diode D1, a diode D2, a diode D3, a comparator U1, a comparator U2, a triode Q1, a triode Q2, an alternating current contactor KM1, an alternating current contactor KM2 and a thermal relay FR;
the cathode of the diode D1 is connected with a power supply VCC1 through a switch J1, and the anode of the diode D1 is grounded through a resistor R3;
the anode of the diode D1 is connected with the reverse signal input end of the comparator U2 through a resistor R5, and the reverse signal input end of the comparator U2 is connected with the signal output end of the comparator U2 through a resistor R7;
the homodromous signal input end of the comparator U2 is connected with the signal output end of the rain sensor 9 through a resistor R4;
the equidirectional signal input end of the comparator U2 is grounded through a resistor R6;
a positive power supply signal input end of the comparator U2 is connected with a power supply VCC 1;
the signal output end of the comparator U2 is connected with the base electrode of a triode Q2 through a resistor R13, and the emitting electrode of the triode Q2 is grounded;
the collector of the triode Q2 is connected with the anode of the diode D3, and the cathode of the diode D3 is connected with a power supply VCC 1;
the collector of the triode Q2 is also connected with a power supply VCC1 through a coil of an alternating current contactor KM 2;
the anode of the diode D1 is connected with the positive signal input end of the comparator U1 through the resistor R9; the positive signal input end of the comparator U1 is connected with the signal output end of the comparator U1 through a resistor R8; a positive power supply signal input end of the comparator U1 is connected with a power supply VCC 1;
the reverse signal input end of the comparator U1 is connected with the signal output end of the rain sensor 9 through a resistor R10;
the reverse signal input end of the comparator U1 is grounded through a resistor R11, and the negative power supply signal input end of the comparator U1 is grounded;
the signal output end of the comparator U1 is connected with the base electrode of a triode Q1 through a resistor R12; the emitter of the triode Q1 is grounded;
the collector of the triode Q1 is connected with the anode of the diode D2, and the cathode of the diode D3 is connected with a power supply VCC 1;
the collector of the triode Q1 is also connected with a power supply VCC1 through a coil of an alternating current contactor KM 1;
the motor M1 and the motor M2 are connected with a three-phase power supply after being connected in series with a normally open main contact of the alternating current contactor KM1 through a thermal relay FR, and the normally open main contact of the alternating current contactor KM2 is reversely connected in parallel at two ends of the normally open main contact of the alternating current contactor KM 1.
In the embodiment, when the rainwater sensor detects rainwater, a high level is output, the comparator U2 outputs a high level, the KM2 is powered on, the motors M1 and M2 are controlled to rotate positively, the roller shutter device puts down the roller shutter to shield the side wall of the cabinet covered with the vent holes, the bottom end of the roller shutter is attracted with the magnetic strip on the inner wall of the cabinet, rainwater is prevented from entering the cabinet body, the roller shutter device comprises the limit switch 1, when the roller shutter is completely put down, the limit switch 1 is started, and the motors M1 and M2 stop rotating positively;
when the rain sensor detects that the rain sensor does not rain any more, the comparator U1 outputs high level, the KM1 is electrified, the motors M1 and M1 are controlled to rotate reversely, the roller shutter device retracts the roller shutter, the limit switch 2 is started at the moment, the motor stops rotating,
when it is not raining, since the rolling screen device is always in the rolling state and the limit switch 2 is always in the starting state, the motors M1 and M2 do not rotate, and the rolling screen device does not act.
Further, the present embodiment is described with reference to fig. 4, in which the control circuit includes a fan control sub-circuit; the signal input end of the fan control sub-circuit is connected with the signal output end of the temperature sensor 10, and the fan control sub-circuit is used for controlling a power switch of the fan 8 according to the temperature signal;
the fan control sub-circuit comprises a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a diode D4, a diode D5, a comparator U3, a triode Q3 and a relay K1;
the cathode of the diode D4 is connected with a power supply VCC1, and the anode of the diode D4 is grounded through a resistor R14;
the anode of the diode D4 is connected with the positive signal input end of the comparator U3 through the resistor R15, and the positive signal input end of the comparator U3 is connected with the signal output end of the comparator U3 through the resistor R17;
the inverting signal input terminal of the comparator U3 is connected to the signal output terminal of the temperature sensor 10 through a resistor R16,
the reverse signal input end of the comparator U3 is grounded through a resistor R18, and the negative power supply end of the comparator U3 is grounded;
the signal output end of the comparator U3 is connected with the base electrode of a triode Q3 through a resistor R19;
the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the anode of the diode D5, and the cathode of the diode D5 is connected with a power supply VCC 1;
the collector of the triode Q3 is also connected with a power supply VCC1 through a coil of a relay K1;
the switch of relay K1 is connected in series between a power supply VCC2 and a plurality of fans 8, which fans 8 are connected in parallel.
Adopt temperature sensor to gather this internal temperature signal of rack in real time in this embodiment, when the high temperature, be higher than threshold temperature, comparator U3 output high level, control relay is closed, realizes that control fan starts, realizes the cooling, when the temperature is less than and sets for threshold temperature, comparator U3 output low level, control relay disconnection, fan stall.
Further, still include rain-proof lid 3 sets up on the top of rack body 1, rack body 1 is the upper shed's cabinet body, and the area of rain-proof lid 3 is greater than the area of rack body 1 upper shed, and the edge of rain-proof lid 3 is equipped with decurrent edge, leaves the gap between rain-proof lid 3 and the rack body 1.
A gap is reserved between the rain shielding cover 3 and the cabinet body 1 in the embodiment, so that when a roller shutter of the roller shutter device is put down, the interior of the cabinet can still be ventilated, and rainwater is prevented from passing through the gap to enter the interior of the cabinet due to the fact that the rain shielding cover is provided with a downward edge.
Further, the electrostatic dust collector also comprises an electrostatic generating device, and an electrostatic signal output end of the electrostatic generating device is connected with the electrostatic dust collection net 5.
This embodiment static generating device and electrostatic absorption net 5 be connected, the bottom ground connection of electrostatic absorption net, electrostatic absorption net realizes electrostatic absorption, just static generating device includes protection circuit, protection circuit realizes avoiding personnel's mistake to touch and causes personnel's injury. Meanwhile, the electrostatic signal generated by the electrostatic generating device is lower than 38V and is in a safe range.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (5)
1. The electric power communication equipment cabinet with the automatic dust cleaning function is characterized by comprising a cabinet body (1), a roller shutter device (4), an electrostatic dust collection net (5), a fan fixing plate (6), a magnetic strip (7), a fan (8), a rainwater sensor (9), a temperature sensor (10) and a control circuit;
the middle parts of two opposite walls of the cabinet body (1) are distributed with vent holes, the middle parts of two side walls distributed with vent holes in the middle parts are outwards protruded, the inner sides of the two side walls distributed with vent holes in the middle parts are respectively provided with an electrostatic dust collection net (5), a fan fixing plate (6) is arranged between the electrostatic dust collection net (5) and the side walls distributed with vent holes in the middle parts, and a plurality of fans (8) are fixed on the fan fixing plate (6) at equal intervals; the wind direction of the fan (8) is from the inside to the outside of the cabinet body (1);
the inner sides of the two side walls with the ventilation holes distributed in the middle are respectively provided with a roller shutter device (4), and the bottom end of a shielding curtain of the roller shutter device (4) is provided with a metal strip;
the lower parts of the two side walls with the ventilation holes distributed in the middle are respectively fixed with a magnetic strip (7); the magnetic strip (7) is used for adsorbing a metal strip at the bottom end of the shielding curtain of the roller shutter device (4);
the rainwater sensor (9) is arranged at the top end of the cabinet body (1) and used for collecting whether rain falls or not, and the signal output end of the rainwater sensor (9) is connected with the rainwater signal input end of the control circuit;
the temperature sensor (10) is used for collecting temperature signals in the cabinet body (1), and the signal output end of the temperature sensor (10) is connected with the temperature signal input end of the control circuit;
the control circuit controls the roller shutter device (4) to put down or withdraw the roller shutter according to the signal collected by the rainwater sensor; and controlling a power switch of the fan (8) according to the signal collected by the temperature sensor (10).
2. The cabinet for electric power communication equipment with automatic ash cleaning function according to claim 1, wherein the control circuit comprises a roller shutter device control sub-circuit;
the signal output end of the rain sensor (9) is connected with the rain signal input end of the control sub-circuit of the roller shutter device (4);
the control sub-circuit of the roller shutter device (4) is used for controlling the two roller shutter devices (4) to put down or retract according to the received rainwater signals, and the two roller shutter devices (4) are put down or retracted by controlling the forward rotation or the reverse rotation of the two motors M1 and M2 of the two roller shutter devices (4);
the control sub-circuit of the roller shutter device (4) comprises a switch J1, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a diode D1, a diode D2, a diode D3, a comparator U1, a comparator U2, a triode Q1, a triode Q2, an alternating current contactor KM1, an alternating current contactor KM2 and a thermal relay FR;
the cathode of the diode D1 is connected with a power supply VCC1 through a switch J1, and the anode of the diode D1 is grounded through a resistor R3;
the anode of the diode D1 is connected with the reverse signal input end of the comparator U2 through a resistor R5, and the reverse signal input end of the comparator U2 is connected with the signal output end of the comparator U2 through a resistor R7;
the equidirectional signal input end of the comparator U2 is connected with the signal output end of the rain sensor (9) through a resistor R4;
the equidirectional signal input end of the comparator U2 is grounded through a resistor R6;
a positive power supply signal input end of the comparator U2 is connected with a power supply VCC 1; the signal output end of the comparator U2 is connected with the base electrode of a triode Q2 through a resistor R13, and the emitting electrode of the triode Q2 is grounded;
the collector of the triode Q2 is connected with the anode of the diode D3, and the cathode of the diode D3 is connected with a power supply VCC 1;
the collector of the triode Q2 is also connected with a power supply VCC1 through a coil of an alternating current contactor KM 2;
the anode of the diode D1 is connected with the positive signal input end of the comparator U1 through the resistor R9; the positive signal input end of the comparator U1 is connected with the signal output end of the comparator U1 through a resistor R8; a positive power supply signal input end of the comparator U1 is connected with a power supply VCC 1;
the reverse signal input end of the comparator U1 is connected with the signal output end of the rain sensor (9) through a resistor R10;
the reverse signal input end of the comparator U1 is grounded through a resistor R11, and the negative power supply signal input end of the comparator U1 is grounded;
the signal output end of the comparator U1 is connected with the base electrode of a triode Q1 through a resistor R12; the emitter of the triode Q1 is grounded;
the collector of the triode Q1 is connected with the anode of the diode D2, and the cathode of the diode D2 is connected with a power supply VCC 1;
the collector of the triode Q1 is also connected with a power supply VCC1 through a coil of an alternating current contactor KM 1;
the motor M1 and the motor M2 are connected with a three-phase power supply after being connected in series with a normally open main contact of the alternating current contactor KM1 through a thermal relay FR, and the normally open main contact of the alternating current contactor KM2 is reversely connected in parallel at two ends of the normally open main contact of the alternating current contactor KM 1.
3. The cabinet with the function of automatically cleaning the ash of the power communication equipment as claimed in claim 1, wherein the control circuit comprises a fan control sub-circuit; the signal input end of the fan control sub-circuit is connected with the signal output end of the temperature sensor (10), and the fan control sub-circuit is used for controlling a power switch of the fan (8) according to the temperature signal;
the fan control sub-circuit comprises a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R19, a diode D4, a diode D5, a comparator U3, a triode Q3 and a relay K1;
the cathode of the diode D4 is connected with a power supply VCC1, and the anode of the diode D4 is grounded through a resistor R14;
the anode of the diode D4 is connected with the positive signal input end of the comparator U3 through the resistor R15, and the positive signal input end of the comparator U3 is connected with the signal output end of the comparator U3 through the resistor R17;
the reverse signal input end of the comparator U3 is connected with the signal output end of the temperature sensor (10) through a resistor R16,
the reverse signal input end of the comparator U3 is grounded through a resistor R18, and the negative power supply end of the comparator U3 is grounded;
the signal output end of the comparator U3 is connected with the base electrode of a triode Q3 through a resistor R19;
the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the anode of the diode D5, and the cathode of the diode D5 is connected with a power supply VCC 1;
the collector of the triode Q3 is also connected with a power supply VCC1 through a coil of a relay K1;
the switch of relay K1 is connected in series between a power supply VCC2 and a plurality of fans (8), the plurality of fans (8) being connected in parallel.
4. The power communication equipment cabinet with the automatic ash removal function according to claim 1, further comprising a rain cover (3), wherein the rain cover (3) is disposed at the top end of the cabinet body (1), the cabinet body (1) is a cabinet body with an upper opening, the area of the rain cover (3) is larger than that of the upper opening of the cabinet body (1), and the edge of the rain cover (3) is provided with a downward edge.
5. The power communication equipment cabinet with the automatic ash removal function according to claim 1, further comprising an electrostatic generator, wherein an electrostatic signal output end of the electrostatic generator is connected with an electrostatic dust collection net (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477964.6U CN211887415U (en) | 2019-12-31 | 2019-12-31 | Power communication equipment cabinet with automatic ash removal function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477964.6U CN211887415U (en) | 2019-12-31 | 2019-12-31 | Power communication equipment cabinet with automatic ash removal function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211887415U true CN211887415U (en) | 2020-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477964.6U Active CN211887415U (en) | 2019-12-31 | 2019-12-31 | Power communication equipment cabinet with automatic ash removal function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211887415U (en) |
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2019
- 2019-12-31 CN CN201922477964.6U patent/CN211887415U/en active Active
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