CN110061561B - Special dual-power control equipment for fire fighting - Google Patents
Special dual-power control equipment for fire fighting Download PDFInfo
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- CN110061561B CN110061561B CN201910440410.0A CN201910440410A CN110061561B CN 110061561 B CN110061561 B CN 110061561B CN 201910440410 A CN201910440410 A CN 201910440410A CN 110061561 B CN110061561 B CN 110061561B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention provides a fire-fighting special-purpose type dual-power control device, which comprises: the main power supply, the standby power supply and the ATS integrated dual-power switching device; the main power supply is connected to the ATS integrated dual-power switching device through a first circuit breaker, the standby power supply is connected to the ATS integrated dual-power switching device through a second circuit breaker, the ATS integrated dual-power switching device is connected to electric equipment, and switching between the main power supply and the standby power supply is achieved through the ATS integrated dual-power switching device. The dual-power-supply control equipment special for fire fighting can realize automatic power supply switching, is reliable in power supply switching, can prompt faults and can display the used power supply.
Description
Technical Field
The invention relates to the technical field of power supply control, in particular to a dual-power-supply control device special for fire protection.
Background
The dual-power automatic switching device is generally applied to occasions with two power supplies and has very wide application, such as: the uninterrupted power supply in the places directly influences the reliability of the running equipment in the places, so that the dual-power-supply control equipment plays an important role in the places.
The double-power automatic switching device is mainly a switching appliance which automatically switches a load circuit from one power supply to another standby power supply so as to ensure continuous and reliable operation of important loads. Once the conversion fails, one of the two hazards is caused, namely, short circuit between power supplies or power failure of important loads, even short-time power failure, and the consequences are serious, so that not only can economic loss be caused, but also social problems can be caused. The traditional dual-power-supply control equipment is unreliable in switching control, and is lack of a fault indication module and an alarm module, so that fault monitoring indication of a main power supply or a standby power supply cannot be well realized; and the traditional dual-power control equipment has no indication and lacks certain safety performance on the specific use of a main power supply or a standby power supply.
Disclosure of Invention
Technical problem to be solved
The invention aims to solve the technical problem of providing the special dual-power-supply control equipment for fire fighting, which can realize automatic power supply switching, is reliable in power supply switching, can prompt faults and can display the used power supply.
(II) technical scheme
In order to solve the above technical problem, the present invention provides a dual power control device for fire protection, comprising: a main power supply, a standby power supply and an ATS (Automatic Transfer Switching Equipment) integrated dual-power Switching device; the main power supply is connected to the ATS integrated dual-power switching device through a first circuit breaker, the standby power supply is connected to the ATS integrated dual-power switching device through a second circuit breaker, the ATS integrated dual-power switching device is connected to electric equipment, and switching between the main power supply and the standby power supply is achieved through the ATS integrated dual-power switching device.
Furthermore, the LA1 phase line of the main power supply is connected with the A1 end of the ATS integrated dual-power switching device, the LB1 phase line of the main power supply is connected with the B1 end of the ATS integrated dual-power switching device, the LC1 phase line of the main power supply is connected with the C1 end of the ATS integrated dual-power switching device, and the N1 zero line of the main power supply is connected with the N1 end of the ATS integrated dual-power switching device; the LA2 phase line of stand-by power supply with ATS integral type dual power supply auto-change over device's A2 end is connected, stand-by power supply's LB2 phase line with ATS integral type dual power supply auto-change over device's B2 end is connected, stand-by power supply's LC2 phase line with ATS integral type dual power supply auto-change over device's C2 end is connected, stand-by power supply's N2 zero line with ATS integral type dual power supply auto-change over device's N2 end is connected. The ATS integrated dual-power switching device comprises a seventh intermediate relay, a first contactor and a second contactor; two loops are arranged between the end C1 and the end N1, the first loop comprises a first fuse and a coil of the seventh intermediate relay which are connected in series, and the second loop comprises a second fuse, a normally open contact of the seventh intermediate relay, a normally closed contact of the second contactor and a coil of the first contactor which are connected in series in sequence; a third fuse, a normally closed contact of the seventh intermediate relay, a normally closed contact of the first contactor and a coil of the second contactor are sequentially connected in series between the C2 end and the N2 end; the C1 end with the N1 end is all connected to the output through the normally open contact of first contactor, the C2 end with the N2 end is all connected to the output through the normally open contact of second contactor.
Furthermore, the output end is connected with a circuit fault detection indicating circuit, and the circuit fault detection indicating circuit comprises a first intermediate relay, a second intermediate relay, a third intermediate relay, a fourth intermediate relay, a fifth intermediate relay, a sixth intermediate relay and an overcurrent protector; the output end comprises an LC end and an NC end, and the LC end is connected with a fourth fuse in series; the circuit fault detection indication circuit further comprises:
a power failure indication control module, wherein terminals 501, 601 and 603 of the ATS integrated dual-power switching device are all connected with the LC terminal, a terminal 502 corresponding to the terminal 501 is connected to the NC terminal through a coil of the third intermediate relay, a terminal 602 corresponding to the terminal 601 is connected to the NC terminal through a coil of the fourth intermediate relay, and a terminal 604 corresponding to the terminal 603 is connected to the NC terminal through a coil of the fifth intermediate relay;
the LC end and the NC end are connected with the overcurrent protector, and a9 terminal of an output end of the overcurrent protector is connected to the NC end through a coil of the sixth intermediate relay; a first normally open contact of the sixth intermediate relay and an HY4 indicator lamp are connected in series between the LC end and the NC end, and the first normally open contact of the sixth intermediate relay and the HY4 indicator lamp are electrically connected to an output end 9 terminal of the overcurrent protector;
the dual-power fault indication module comprises a first normally open contact of the third intermediate relay and an HY1 indicator lamp which are connected between the LC terminal and the NC terminal in series;
the common power failure indication module comprises a first normally closed contact of the fourth intermediate relay and an HY2 indicator lamp which are connected between the LC terminal and the NC terminal in series;
the standby power failure indication module comprises a first normally closed contact of the fifth intermediate relay and an HY3 indicator lamp which are connected between the LC terminal and the NC terminal in series;
the fault alarm module comprises a second normally-open contact of the sixth intermediate relay and an electric bell which are connected between the LC end and the NC end in series, and the second normally-open contact of the third intermediate relay, the second normally-closed contact of the fourth intermediate relay and the second normally-closed contact of the fifth intermediate relay are connected in parallel on the second normally-open contact of the sixth intermediate relay;
the fire-fighting alarm module comprises a fire-fighting acousto-optic alarm module and a fire hydrant button module, the fire-fighting acousto-optic alarm module comprises a first normally open contact of the first intermediate relay and a fire-fighting electric bell which are connected in series between the LC end and the NC end, and the fire-fighting electric bell is connected with an HR1 indicating lamp in parallel; the fire hydrant button module is connected to the LC end and the NC end through a control transformer, the fire hydrant button module comprises a fire hydrant button connected with the control transformer in series and a coil of the first intermediate relay, and the fire hydrant button is connected with a normally open contact of the second intermediate relay in parallel.
Further, an HG1 indicator lamp is connected in series between a 101 terminal and a 102 terminal of the ATS integrated dual power switching device for indicating that the main power supply is normal, and a coil of a ninth intermediate relay is connected in series between the 101 terminal and the 103 terminal of the ATS integrated dual power switching device; an HG3 indicator lamp is connected in series between a 201 terminal and a 202 terminal of the ATS integrated dual-power switching device and used for displaying that the standby power supply is normal, and a coil of a tenth intermediate relay is connected in series between the 201 terminal and the 203 terminal of the ATS integrated dual-power switching device.
Furthermore, a normally open contact and an HG2 indicator lamp of the ninth intermediate relay which are connected in series are connected between the LC end and the NC end, and a normally open contact and an HG4 indicator lamp of the tenth intermediate relay which are connected in series are also connected between the LC end and the NC end.
Further, a normally open contact of the fourth intermediate relay, a third normally closed contact of the fifth intermediate relay, and a first normally closed contact of the sixth intermediate relay are connected in series between a terminal 402 and a terminal 401 of the ATS integrated dual power switching device, and a second normally open contact of the first intermediate relay is connected in parallel to the third normally closed contact of the fifth intermediate relay; a third normally open contact of the sixth intermediate relay is connected in series between the 403 terminal and the 401 terminal of the ATS integrated dual-power switching device; a normally open contact of the fifth intermediate relay, a third normally closed contact of the fourth intermediate relay and a second normally closed contact of the sixth intermediate relay are connected in series between a terminal 404 and a terminal 401 of the ATS integrated dual-power switching device.
(III) advantageous effects
According to the fire-fighting special-purpose type dual-power-supply control equipment, under the condition that the main power supply exists at any time, the control equipment always controls the power consumption of the electric equipment to be supplied by the main power supply, and only under the condition that the main power supply does not exist or is disconnected, the power consumption of the electric equipment is controlled to be switched to the standby power supply, the seamless switching between the main power supply and the standby power supply can be realized, the power supply switching is reliable, the power failure of the equipment is prevented, and the continuity of power supply is guaranteed; meanwhile, the normal work of the power supply can be indicated and the used power supply can be displayed when the control equipment is used, and the control equipment can detect and indicate faults so as to remind a user of timely maintenance.
Drawings
FIG. 1 is an electrical schematic diagram of a dual power control device for fire fighting;
FIG. 2 is an electrical schematic diagram of the power switching control of the dual power control device for fire fighting;
FIG. 3 is an electrical schematic diagram of a circuit fault detection indication of a dual-power control device of the invention;
FIG. 4 is an electrical schematic diagram of a power indication of a dual power control device for fire fighting;
FIG. 5 is an electrical schematic diagram of a power switching-on indication of the dual power control device for fire protection of the present invention;
wherein: 1 is the main power supply, 2 is stand-by power supply, 3 is ATS integral type dual supply auto-change over device, 4 is the consumer, KM1 is first contactor, KM2 is the second contactor, KA1 is first intermediate relay, KA2 is the second intermediate relay, KA3 is the third intermediate relay, KA4 is the fourth intermediate relay, KA5 is the fifth intermediate relay, KA6 is the sixth intermediate relay, KA7 is the seventh intermediate relay, KA9 is the ninth intermediate relay, KA10 is the tenth intermediate relay, FU1 is first fuse, FU2 is the second fuse, FU3 is the third fuse, FU4 is the fourth fuse, HHD1B is overcurrent protector, BJ1 is the electric bell, BJ2 is the fire control electric bell, SE is the fire hydrant button, TC is the control transformer, TC 1 is first circuit breaker, QF2 is the second circuit breaker.
Detailed Description
Referring to fig. 1 to 5, the present invention provides a dual power control apparatus for fire protection, including: the system comprises a main power supply 1, a standby power supply 2 and an ATS (automatic train control) integrated dual-power switching device 3; the main power supply 1 is connected to the ATS integrated dual-power switching device 3 through a first circuit breaker QF1, the standby power supply 2 is connected to the ATS integrated dual-power switching device 3 through a second circuit breaker QF2, the ATS integrated dual-power switching device 3 is connected to the electric equipment 4, and the main power supply 1 and the standby power supply 2 are switched through the ATS integrated dual-power switching device 3.
Referring to fig. 2, a LA1 phase line of a main power supply 1 is connected to an A1 end of the ATS integrated dual power switching device 3, a LB1 phase line of the main power supply 1 is connected to a B1 end of the ATS integrated dual power switching device 3, a LC1 phase line of the main power supply 1 is connected to a C1 end of the ATS integrated dual power switching device 3, and an N1 zero line of the main power supply 1 is connected to an N1 end of the ATS integrated dual power switching device 3; the LA2 phase line of stand-by power supply 2 is connected with the A2 end of ATS integral type dual power supply switching device 3, the LB2 phase line of stand-by power supply 2 is connected with the B2 end of ATS integral type dual power supply switching device 3, the LC2 phase line of stand-by power supply 2 is connected with the C2 end of ATS integral type dual power supply switching device 3, and the N2 zero line of stand-by power supply 2 is connected with the N2 end of ATS integral type dual power supply switching device 3. The ATS integrated dual-power switching device 3 comprises a seventh intermediate relay KA7, a first contactor KM1 and a second contactor KM2; two loops are arranged between the end C1 and the end N1, the first loop comprises a first fuse FU1 and a coil of a seventh intermediate relay KA7 which are connected in series, and the second loop comprises a second fuse FU2, a normally open contact of the seventh intermediate relay KA7, a normally closed contact of a second contactor KM2 and a coil of a first contactor KM1 which are connected in series in sequence; a third fuse FU3, a normally closed contact of a seventh intermediate relay KA7, a normally closed contact of a first contactor KM1 and a coil of a second contactor KM2 are sequentially connected in series between the C2 end and the N2 end; the C1 end and the N1 end are connected to the output end through a normally open contact of the first contactor KM1, and the C2 end and the N2 end are connected to the output end through a normally open contact of the second contactor KM 2. When the main power supply 1 and the standby power supply 2 are normally switched on, the coil of the seventh intermediate relay KA7 is electrified, so that the normally-open contact of the seventh intermediate relay KA7 is closed, the normally-closed contact of the seventh intermediate relay KA7 is disconnected, the coil of the first contactor KM1 is electrified, the normally-closed contact of the first contactor KM1 is disconnected, the normally-open contact of the first contactor KM1 is closed, and the end C1 and the end N1 are connected with the output end. When the main power supply 1 is not switched on due to a fault, the coil of the seventh intermediate relay KA7 and the coil of the first contactor KM1 are not electrified, the coil of the second contactor KM2 is electrified, so that the normally open contact of the second contactor KM2 is closed, the C2 end and the N2 end are switched on with the output end, and the main power supply 1 is automatically switched to the standby power supply 2.
Referring to fig. 3, the output end is connected with a circuit fault detection indicating circuit, and the circuit fault detection indicating circuit comprises a first intermediate relay KA1, a second intermediate relay KA2, a third intermediate relay KA3, a fourth intermediate relay KA4, a fifth intermediate relay KA5, a sixth intermediate relay KA6 and an over-current protector HHD1B; the output end comprises an LC end and an NC end, and the LC end is connected with a fourth fuse FU4 in series; the circuit fault detection and indication circuit is provided with a power supply fault indication control module, an overload fault indication module, a dual power supply fault indication module, a common power supply fault indication module, a standby power supply fault indication module, a fault alarm module and a fire alarm module. The power failure indication control module is characterized in that terminals 501, terminals 601 and terminals 603 of the ATS integrated dual-power switching device 3 are connected with an LC (inductance-capacitance) end, a terminal 502 corresponding to the terminal 501 is connected to an NC (numerical control) end through a coil of a third intermediate relay KA3, a terminal 602 corresponding to the terminal 601 is connected to the NC end through a coil of a fourth intermediate relay KA4, and a terminal 604 corresponding to the terminal 603 is connected to the NC end through a coil of a fifth intermediate relay KA 5. The ATS integrated dual-power switching device 3 can control whether a coil of the third intermediate relay KA3, a coil of the fourth intermediate relay KA4 and a coil of the fifth intermediate relay KA5 are electrified or not, and further the next step of action is completed. An LC end and an NC end of the overload fault indication module are connected with an over-current protector HHD1B, and a terminal 9 of an output end of the over-current protector HHD1B is connected to the NC end through a coil of a sixth intermediate relay KA 6; the first normally open contact and the HY4 indicator light of the sixth intermediate relay KA6 are connected in series between the LC end and the NC end, and the first normally open contact and the HY4 indicator light of the sixth intermediate relay KA6 are electrically connected with the output end 9 terminal of the over-current protector HHD 1B. When the current is too large in the circuit, the overload condition appears, and the output end 9 terminal of the over-current protector HHD1B is switched on, so that the coil of the sixth intermediate relay KA6 is electrified, the first normally open contact of the sixth intermediate relay KA6 is closed, the HY4 indicating lamp is lightened, and the overload fault indication is prompted. The dual-power fault indication module comprises a first normally open contact of a third intermediate relay KA3 and an HY1 indicator lamp, wherein the first normally open contact and the HY1 indicator lamp are connected between an LC end and an NC end in series; when the main power supply 1 and the standby power supply 2 both have faults, the ATS integrated dual-power switching device 3 controls the coil of the third intermediate relay KA3 to be powered on, so that the first normally open contact of the third intermediate relay KA3 is closed, the HY1 indicating lamp is lightened, and dual-power fault indication is prompted. The common power failure indication module comprises a first normally closed contact of a fourth intermediate relay KA4 and an HY2 indicator lamp, wherein the first normally closed contact and the HY2 indicator lamp are connected between an LC end and an NC end in series; the ATS integrated dual-power switching device 3 controls a coil of the fourth intermediate relay KA4 to be not powered, so that a first normally closed contact of the fourth intermediate relay KA4 is in a closed state, an HY2 indicating lamp is lightened, and a main power supply fault indication is prompted. The standby power failure indication module comprises a first normally closed contact of a fifth intermediate relay KA5 and an HY3 indicator lamp, wherein the first normally closed contact and the HY3 indicator lamp are connected between an LC end and an NC end in series; the ATS integrated dual-power switching device 3 controls a coil of the fifth intermediate relay KA5 not to be electrified, so that the first normally closed contact of the fifth intermediate relay KA5 is in a closed state, an HY3 indicating lamp is lightened, and fault indication of a standby power supply is prompted. The fault alarm module comprises a second normally-open contact of a sixth intermediate relay KA6 and an electric bell BJ1 which are connected in series between an LC end and an NC end, and a second normally-open contact of a third intermediate relay KA3, a second normally-closed contact of a fourth intermediate relay KA4 and a second normally-closed contact of a fifth intermediate relay KA5 are connected in parallel on the second normally-open contact of the sixth intermediate relay KA 6; when one or more faults occur, the electric bell BJ1 is switched on to send out fault alarm. The fire-fighting sound and light alarm module comprises a fire-fighting sound and light alarm module and a fire hydrant button module, the fire-fighting sound and light alarm module comprises a first normally open contact of a first intermediate relay KA1 and a fire-fighting electric bell BJ2 which are connected in series between an LC end and an NC end, and an HR1 indicating lamp is connected to the fire-fighting electric bell BJ2 in parallel; the fire hydrant button module is connected to the LC terminal and the NC terminal through the control transformer TC, the fire hydrant button module comprises a fire hydrant button SE connected with the control transformer TC in series and a coil of a first intermediate relay KA1, and a normally open contact of a second intermediate relay KA2 is connected to the fire hydrant button SE in parallel. The output end provides 24V voltage for the fire hydrant button module through the control transformer TC, when a fault occurs, the fire hydrant button SE is pressed, a coil of the first intermediate relay KA1 is electrified, a first normally open contact of the first intermediate relay KA1 is closed, an HR1 indicating lamp is lightened, fire fighting indication is carried out, and meanwhile, a fire fighting alarm is sent out by the fire fighting electric bell BJ 2; ATS integral type dual power supply switching device 3 still can be got electric through the coil of control second intermediate relay KA2, makes second intermediate relay KA 2's normally open contact closed, and then makes first intermediate relay KA 1's normally open contact closed, realizes fire control audible-visual annunciation.
Referring to fig. 4, an HG1 indicator lamp is connected in series between the terminal 101 and the terminal 102 of the ATS integrated dual-power switching device 3 for indicating that the main power supply 1 is normal, and a coil of a ninth intermediate relay KA9 is connected in series between the terminal 101 and the terminal 103 of the ATS integrated dual-power switching device 3; an HG3 indicator lamp is connected in series between the 201 terminal and the 202 terminal of the ATS integrated dual-power switching device 3 and used for displaying that the standby power supply 2 is normal, and a coil of a tenth intermediate relay KA10 is connected in series between the 201 terminal and the 203 terminal of the ATS integrated dual-power switching device 3.
Referring to fig. 2, a normally open contact of a ninth intermediate relay KA9 and an HG2 indicator lamp are connected in series between the LC terminal and the NC terminal, and a normally open contact of a tenth intermediate relay KA10 and an HG4 indicator lamp are connected in series between the LC terminal and the NC terminal.
Referring to fig. 4 and 5, a normally open contact of a fourth intermediate relay KA4, a third normally closed contact of a fifth intermediate relay KA5, and a first normally closed contact of a sixth intermediate relay KA6 are connected in series between a terminal 402 and a terminal 401 of the ats integrated dual power switching device 3, and a second normally open contact of a first intermediate relay KA1 is connected in parallel to the third normally closed contact of the fifth intermediate relay KA 5; a third normally open contact of a sixth intermediate relay KA6 is connected in series between the 403 terminal and the 401 terminal of the ATS integrated dual-power switching device 3; a normally open contact of a fifth intermediate relay KA5, a third normally closed contact of a fourth intermediate relay KA4, and a second normally closed contact of a sixth intermediate relay KA6 are connected in series between a terminal 404 and a terminal 401 of the ATS integrated dual-power switching device 3. When main power supply 1 and stand-by power supply 2 are all normal, the coil of ATS integral type dual power supply switching device 3 control third auxiliary relay KA3 is not electrified, the coil of fourth auxiliary relay KA4 is electrified, the coil of fifth auxiliary relay KA5 is electrified, the coil of sixth auxiliary relay KA6 is not electrified, make the 402 terminal and the 401 terminal of ATS integral type dual power supply switching device 3 switch on, and then control the coil of ninth auxiliary relay KA9 to be electrified, make the normally open contact of ninth auxiliary relay KA9 closed, make HG2 pilot lamp light, the suggestion is supplied power by main power supply 1. When main power supply 1 breaks down, ATS integral type dual power supply auto-change over device 3 control third intermediate relay KA 3's coil is not electrified, fourth intermediate relay KA 4's coil is not electrified, fifth intermediate relay KA 5's coil is electrified, sixth intermediate relay KA 6's coil is not electrified, make ATS integral type dual power supply auto-change over device 3's 404 terminal and 401 terminal switch on, and then control tenth intermediate relay KA 10's coil is electrified, make tenth intermediate relay KA 10's normally open contact closed, make HG4 pilot lamp light, the suggestion is supplied power by stand-by power supply 2.
A current monitoring device and a voltage monitoring device are further installed between the ATS integrated dual-power switching device 3 and the electric equipment 4 and are used for monitoring output current and voltage in real time.
According to the fire-fighting special-purpose type dual-power-supply control equipment, under the condition that the main power supply exists at any time, the control equipment always controls the power consumption of the electric equipment to be supplied by the main power supply, and only under the condition that the main power supply does not exist or is disconnected, the power consumption of the electric equipment is controlled to be switched to the standby power supply, the seamless switching between the main power supply and the standby power supply can be realized, the power supply switching is reliable, the power failure of the equipment is prevented, and the continuity of power supply is guaranteed; meanwhile, the normal work of the power supply can be indicated and the used power supply can be displayed when the control equipment is used, and the control equipment can detect and indicate faults so as to remind a user of timely maintenance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a fire control special type dual supply control equipment which characterized in that includes: the system comprises a main power supply (1), a standby power supply (2) and an ATS integrated dual-power switching device (3); the main power supply (1) is connected to the ATS integrated dual-power switching device (3) through a first circuit breaker (QF 1), the standby power supply (2) is connected to the ATS integrated dual-power switching device (3) through a second circuit breaker (QF 2), the ATS integrated dual-power switching device (3) is connected to a power utilization device (4), and the main power supply (1) and the standby power supply (2) are switched through the ATS integrated dual-power switching device (3);
the LA1 phase line, the LB1 phase line, the LC1 phase line and the N1 zero line of the main power supply (1) are respectively and correspondingly connected to the A1 end, the B1 end, the C1 end and the N1 end of the ATS integrated dual-power switching device (3), and the LA2 phase line, the LB2 phase line, the LC2 phase line and the N2 zero line of the standby power supply (2) are respectively and correspondingly connected to the A2 end, the B2 end, the C2 end and the N2 end of the ATS integrated dual-power switching device (3); the ATS integrated dual-power switching device (3) comprises a seventh intermediate relay (KA 7), a first contactor (KM 1) and a second contactor (KM 2); two loops are arranged between the end C1 and the end N1, the first loop comprises a first fuse (FU 1) and a coil of a seventh intermediate relay (KA 7) which are connected in series, and the second loop comprises a second fuse (FU 2), a normally open contact of the seventh intermediate relay (KA 7), a normally closed contact of the second contactor (KM 2) and a coil of the first contactor (KM 1) which are connected in series in sequence; a third fuse (FU 3), a normally closed contact of a seventh intermediate relay (KA 7), a normally closed contact of the first contactor (KM 1) and a coil of the second contactor (KM 2) are sequentially connected in series between the C2 end and the N2 end; the C1 end and the N1 end are both connected to an output end through a normally open contact of the first contactor (KM 1), and the C2 end and the N2 end are both connected to an output end through a normally open contact of the second contactor (KM 2);
the output end is connected with a circuit fault detection indicating circuit, and the circuit fault detection indicating circuit comprises a first intermediate relay (KA 1), a second intermediate relay (KA 2), a third intermediate relay (KA 3), a fourth intermediate relay (KA 4), a fifth intermediate relay (KA 5), a sixth intermediate relay (KA 6) and an over-current protector (HHD 1B); the output end comprises an LC end and an NC end, and the LC end is connected with a fourth fuse (FU 4) in series; the circuit fault detection indication circuit further comprises:
a power failure indication control module, wherein terminals 501, terminals 601 and terminals 603 of the ATS integrated dual-power switching device (3) are all connected with the LC terminal, a terminal 502 corresponding to the terminal 501 is connected to the NC terminal through a coil of the third intermediate relay (KA 3), a terminal 602 corresponding to the terminal 601 is connected to the NC terminal through a coil of the fourth intermediate relay (KA 4), and a terminal 604 corresponding to the terminal 603 is connected to the NC terminal through a coil of the fifth intermediate relay (KA 5);
the LC end and the NC end are connected with the over-current protector (HHD 1B), and an output end 9 terminal of the over-current protector (HHD 1B) is connected to the NC end through a coil of the sixth intermediate relay (KA 6); a first normally open contact of the sixth intermediate relay (KA 6) and an HY4 indicator lamp are connected in series between the LC end and the NC end, and the first normally open contact of the sixth intermediate relay (KA 6) and the HY4 indicator lamp are electrically connected to an output end 9 terminal of the over-current protector (HHD 1B);
the dual-power fault indication module comprises a first normally open contact of the third intermediate relay (KA 3) and an HY1 indicator lamp which are connected between the LC terminal and the NC terminal in series;
the common power failure indication module comprises a first normally closed contact of the fourth intermediate relay (KA 4) and an HY2 indicator lamp which are connected between the LC end and the NC end in series;
the standby power failure indication module comprises a first normally closed contact of the fifth intermediate relay (KA 5) and an HY3 indicator lamp which are connected between the LC terminal and the NC terminal in series;
the fault alarm module comprises a second normally-open contact of the sixth intermediate relay (KA 6) and an electric bell (BJ 1) which are connected in series between the LC end and the NC end, and a second normally-open contact of the third intermediate relay (KA 3), a second normally-closed contact of the fourth intermediate relay (KA 4) and a second normally-closed contact of the fifth intermediate relay (KA 5) are connected in parallel to the second normally-open contact of the sixth intermediate relay (KA 6);
the fire fighting alarm module comprises a fire fighting acousto-optic alarm module and a fire hydrant button module, the fire fighting acousto-optic alarm module comprises a first normally open contact of the first intermediate relay (KA 1) and a fire fighting electric bell (BJ 2) which are connected in series between the LC end and the NC end, and the fire fighting electric bell (BJ 2) is connected with an HR1 indicating lamp in parallel; the fire hydrant button module is connected to the LC end and the NC end through a control Transformer (TC), the fire hydrant button module comprises a fire hydrant button (SE) connected with the control Transformer (TC) in series and a coil of the first intermediate relay (KA 1), and a normally open contact of the second intermediate relay (KA 2) is connected to the fire hydrant button (SE) in parallel.
2. The dual power supply control device dedicated for fire fighting of claim 1, characterized in that: HG1 indicator lamps are connected in series between a terminal 101 and a terminal 102 of the ATS integrated dual-power switching device (3) and used for displaying that the main power supply (1) is normal, and a coil of a ninth intermediate relay (KA 9) is connected in series between a terminal 101 and a terminal 103 of the ATS integrated dual-power switching device (3); an HG3 indicator lamp is connected in series between a 201 terminal and a 202 terminal of the ATS integrated dual-power switching device (3) and used for displaying that the standby power supply (2) is normal, and a coil of a tenth intermediate relay (KA 10) is connected in series between the 201 terminal and a 203 terminal of the ATS integrated dual-power switching device (3).
3. The dual power supply control device dedicated for fire fighting of claim 2, characterized in that: the normally open contact and the HG2 indicator lamp of the ninth intermediate relay (KA 9) which are connected in series are connected between the LC end and the NC end, and the normally open contact and the HG4 indicator lamp of the tenth intermediate relay (KA 10) which are connected in series are also connected between the LC end and the NC end.
4. A fire-fighting dedicated type dual power supply control device according to claim 3, characterized in that: a normally open contact of the fourth intermediate relay (KA 4), a third normally closed contact of the fifth intermediate relay (KA 5) and a first normally closed contact of the sixth intermediate relay (KA 6) are connected in series between a terminal 402 and a terminal 401 of the ATS integrated dual-power switching device (3), and a second normally open contact of the first intermediate relay (KA 1) is connected in parallel to the third normally closed contact of the fifth intermediate relay (KA 5); a third normally open contact of the sixth intermediate relay (KA 6) is connected in series between a terminal 403 and a terminal 401 of the ATS integrated dual-power switching device (3); a normally open contact of the fifth intermediate relay (KA 5), a third normally closed contact of the fourth intermediate relay (KA 4) and a second normally closed contact of the sixth intermediate relay (KA 6) are connected in series between a terminal 404 and a terminal 401 of the ATS integrated dual-power switching device (3).
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| CN110061561B true CN110061561B (en) | 2023-03-17 |
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