CN218569836U - Double-circuit power supply redundant power supply device - Google Patents

Double-circuit power supply redundant power supply device Download PDF

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Publication number
CN218569836U
CN218569836U CN202222176249.0U CN202222176249U CN218569836U CN 218569836 U CN218569836 U CN 218569836U CN 202222176249 U CN202222176249 U CN 202222176249U CN 218569836 U CN218569836 U CN 218569836U
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terminal
power supply
electrically connected
relay
alternating current
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张军
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Dongsheng Yunzhi Technology Co ltd
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Dongsheng Yunzhi Technology Co ltd
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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
    • 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 utility model discloses a redundant power supply unit of double-circuit power supply relates to and supplies power distribution system. The problem of high STS price can be solved, and the problem of restarting of the electronic equipment caused by the switching time of the ATS is also solved. The method comprises the following steps: the output end of the first fuse is electrically connected with the first alternating current contactor; the output end of the first alternating current contactor is electrically connected with a first load through a first relay; the output end of the second fuse is electrically connected with the second alternating current contactor; the output end of the second alternating current contactor is electrically connected with a second load through a second relay; the output end of the first alternating current contactor is electrically connected with a wiring terminal of the second relay, wherein the wiring terminal can form an electrifying delay disconnection contact; and the output end of the second alternating current contactor is electrically connected with a wiring terminal of the first relay, which can form an electrifying delay disconnection contact.

Description

Double-circuit power supply redundant power supply device
Technical Field
The utility model relates to a supply distribution system, more specifically relate to a redundant power supply unit of double-circuit power supply.
Background
In order to solve the problem that the single-power electronic device stops working after the front-end power supply is interrupted, an STS or an ATS is generally installed at the front end of the electronic device, and the electronic device is ensured to continuously work by switching two power supplies.
In the prior art, the STS is adopted to supply power to the electronic equipment, the switching time of two power supplies is within 4ms, so that the equipment such as a computer, a network switch and the like can be ensured to continue working under the condition that one power supply is interrupted, and the restarting condition can not occur.
The ATS is adopted to supply power to the electronic equipment, the switching time of two power supplies is about 5s, the rear-end electronic equipment can be restarted, and the ATS is not suitable for directly supplying power to a computer, a network switch or other electronic equipment which cannot be interrupted, and can only be used for supplying power to power equipment such as lighting equipment, air conditioners and the like.
No matter STS or ATS is adopted to supply power to the back-end electronic equipment, one of the two power supplies is always in a standby non-loaded state, and the loaded balance problem of the two input power supplies needs to be considered when the load is connected at the back end.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a redundant power supply unit of double-circuit power supply can solve the problem that STS is high in price, has also solved ATS switching time simultaneously and has caused the problem of electronic equipment restart.
The embodiment of the utility model provides a redundant power supply unit of double-circuit power supply, include:
the output end of the first fuse is electrically connected with the first alternating current contactor;
the output end of the first alternating current contactor is electrically connected with a first load and is electrically connected with a second load through a second relay;
the output end of the second fuse is electrically connected with the second alternating current contactor;
the output end of the second alternating current contactor is electrically connected with a second load and is electrically connected with the first load through a first relay;
the output end of the first alternating current contactor is electrically connected with a wiring terminal which is included by the second relay and can form an electrifying delay disconnection contact; and the output end of the second alternating current contactor is electrically connected with a wiring terminal which is included by the first relay and can form an electrified delay disconnection contact.
Preferably, the first ac contactor includes a first A1 terminal, a first A2 terminal; a first connection terminal L and a first connection terminal T;
the first end of the first wiring terminal L is electrically connected with the first A1 end, and the first end of the first A1 end is electrically connected with a No. 7 coil included by the first relay;
the second end of the first wiring terminal L and the first wiring terminal T are normally open contact points;
the second end of the first A1 end is electrically connected with the second end of the first A2 end;
the first end of the first A2 end is electrically connected with a No. 6 wiring terminal included by the first relay;
first binding post T's first end respectively with No. 5 binding post that the second relay includes and No. 5 binding post electric connection that first relay includes.
Preferably, the first relay further comprises a No. 1 wiring terminal, a No. 2 coil, a No. 5 wiring terminal and a No. 8 wiring terminal;
the No. 2 coil and the No. 7 coil are the power supply input end and the power supply output end of the first relay;
the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 3 connecting terminal and the No. 6 connecting terminal to form an electrified delay closed contact; or the No. 1 wiring terminal and the No. 8 wiring terminal are respectively and electrically connected with the No. 4 wiring terminal and the No. 5 wiring terminal to form an electrifying delay disconnection contact.
Preferably, the second ac contactor includes a second A1 and a second A2 terminal; a second connection terminal L and a second connection terminal T;
the first end of the second wiring terminal L is electrically connected with the second A1 end, and the first end of the second A1 end is electrically connected with the No. 2 coil of the second relay;
the second end of the second wiring terminal L and the second wiring terminal T are normally open contact points;
a second end of the second A1 end is electrically connected with a second end of the second A2 end;
the first end of the second A2 end is electrically connected with a No. 6 wiring terminal;
the first end of the second wiring terminal T is respectively connected with the No. 4 wiring terminal included by the first relay and the No. 4 wiring terminal included by the second relay.
Preferably, the second relay further comprises a No. 1 wiring terminal, a No. 2 wiring terminal, a No. 5 wiring terminal and a No. 8 wiring terminal;
the power supply input end and the power supply output end of the second relay of the No. 2 coil and the No. 7 coil;
the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 3 connecting terminal and the No. 6 connecting terminal to form a power-on time-delay closed contact; or the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 4 connecting terminal and the No. 5 connecting terminal to form an electrifying delay disconnection contact.
Preferably, the operating voltage of the first fuse and the second fuse is 450v, and the current is 63A; the working voltage of the first alternating current contactor and the second alternating current contactor is 380v, and the current of the first alternating current contactor and the second alternating current contactor is 32A; the working voltage of the first relay and the second relay is 250V, and the current is 32A.
Preferably, the system further comprises a first electric energy data collector and a second electric energy data collector;
the first electric energy data collector is arranged between the first fuse protector and the first alternating current contactor;
the second electric energy data collector is arranged between the second fuse and the second alternating current contactor.
Preferably, the device also comprises a first digital switching value controller and a second digital switching value controller;
the first digital switching value controller is arranged between a first connecting terminal L and a first A1 end which are included in the first alternating current contactor;
the second digital switching value controller is arranged between a first connecting terminal L and a first A1 end which are included in the second alternating current contactor.
Preferably, the monitoring device further comprises a first monitoring end and a second monitoring end;
the first monitoring end is respectively arranged at the rear ends of the first electric energy data acquisition unit and the first digital switching value controller;
and the second monitoring end is respectively arranged at the rear ends of the second electric energy data acquisition unit and the second digital switching value controller.
Preferably, the device also comprises a metal box body;
the metal box body is used for setting the first fuse, the first alternating current contactor, the first relay, the second fuse, the second alternating current contactor and the second relay.
The embodiment of the utility model provides a redundant power supply unit of double-circuit power supply, include: the output end of the first fuse is electrically connected with the first alternating current contactor; the output end of the first alternating current contactor is electrically connected with a first load and is electrically connected with a second load through a first relay; the output end of the second fuse is electrically connected with the second alternating current contactor; the output end of the second alternating current contactor is electrically connected with a second load and is electrically connected with the first load through a second relay; the output end of the first alternating current contactor is electrically connected with a wiring terminal of the second relay, which can form an electrifying delay disconnection contact; and the output end of the second alternating current contactor is electrically connected with a wiring terminal of the first relay, which can form an electrified delay disconnection contact. In the device, a wiring terminal capable of forming an electrifying delay disconnection contact of a first relay is electrically connected with the output end of a second alternating current contactor, a wiring terminal capable of forming an electrifying delay disconnection contact of a second relay is electrically connected with the output end of the first alternating current contactor, so that two electronic switches capable of controlling on-off are formed, and the on-off of the first contactor and/or the second contactor and the on-off of two output power supply lines are controlled through the electronic switches. The problem that the price is high when STS is adopted to supply power to the electronic equipment in the prior art is solved, and the problem that the electronic equipment is restarted due to the switching time when ATS supplies power to the electronic equipment is also solved; furthermore, two paths of power supplies formed by combining a relay and a contactor in the device are mutually switched, and if an electric energy data collector and a digital switching value controller are additionally arranged at an input end, remote monitoring and intelligent preferential power supply can be realized.
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 structural view of a dual-power supply redundant power supply device according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a dual-power supply redundant power supply device according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a circuit structure of a dual-power supply redundant power supply apparatus according to the novel embodiment of the present embodiment for remote monitoring;
wherein: the system comprises a first fuse 101, a first alternating current contactor 102, a first relay 103, a first load 104, a first electric energy data collector 105, a first digital switching value controller 106, a first monitoring terminal 107, a second fuse 201, a second alternating current contactor 202, a second relay 203, a second load 204, a second electric energy data collector 205, a second digital switching value controller 206 and a second monitoring terminal 207.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a dual-power supply redundant power supply device according to an embodiment of the present invention; fig. 2 is a schematic circuit diagram of a dual-power supply redundant power supply device according to an embodiment of the present invention; fig. 3 is a schematic diagram illustrating a circuit structure of a dual-power supply redundant power supply apparatus according to the novel embodiment of the present embodiment for remote monitoring; the following describes the dual-power supply redundant power supply device according to an embodiment of the present invention in detail by taking fig. 1 to fig. 3 as an example.
The embodiment of the utility model provides a redundant power supply unit of double-circuit power supply, it mainly includes first fuse 101, first ac contactor 102, first relay 103, second fuse 201, second ac contactor 202 and second relay 203. Specifically, an output end of the first fuse 101 is electrically coupled to a first ac contactor 102, and an output end of the first ac contactor 102 is electrically coupled to a first load 104 through a first relay 103; the output terminal of the second fuse 201 is electrically coupled to a second ac contactor 202, and the output terminal of the second ac contactor 202 is electrically coupled to a second load 204 through a second relay 203. It should be noted that the output terminal of the first ac contactor 102 is also electrically connected to the terminal of the second relay 203, which is included to form the energization time-delay disconnection contact, and the output terminal of the second ac contactor 202 is also electrically connected to the terminal of the first relay 103, which is included to form the energization time-delay disconnection contact.
In the above embodiment, the terminal capable of forming the energization delay disconnection contact included in the first relay is electrically connected to the output end of the second ac contactor, and the terminal capable of forming the energization delay disconnection contact included in the second relay is electrically connected to the output end of the first ac contactor, so that two electronic switches capable of controlling on/off are formed, and the on/off of the first contactor and/or the second contactor and the on/off of two output power lines are controlled by the electronic switches.
Illustratively, this embodiment provides a first ac contactor 102, which includes a first A1 terminal, a first A2 terminal, a first connection terminal L, and a first connection terminal T. Specifically, a first end of the first connection terminal L is electrically connected to a first A1 end, and a first end of the first A1 end is electrically connected to a No. 7 coil included in the first relay 103; the second end of the first wiring terminal L and the first wiring terminal T are normally open contact points; the second end of the first A1 end is electrically connected with the second end of the first A2 end; the first end of the first A2 end is electrically connected with a No. 6 wiring terminal included in the first relay 103; the first end of the first connection terminal T is electrically connected to the No. 5 connection terminal included in the second relay 203 and the No. 5 connection terminal included in the first relay 103, respectively.
Further, the first relay 103 includes a No. 1 connection terminal, a No. 2 coil, a No. 5 connection terminal, and a No. 8 connection terminal; specifically, the No. 2 coil and the No. 7 coil are the power input end and the output end of the first relay 103; the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 3 connecting terminal and the No. 6 connecting terminal to form a power-on time-delay closed contact; or the No. 1 wiring terminal and the No. 8 wiring terminal are respectively and electrically connected with the No. 4 wiring terminal and the No. 5 wiring terminal to form an electrifying delay disconnection contact.
Illustratively, this embodiment provides a second ac contactor 202, which includes a second A1, a second A2 terminal; a second connection terminal L and a second connection terminal T; the first end of the second connecting terminal L is electrically connected with the second A1 end, and the first end of the second A1 end is electrically connected with the No. 2 coil of the second relay 203; the second end of the second wiring terminal L and the second wiring terminal T are normally open contact points; the second end of the second A1 end is electrically connected with the second A2 end; the first end of the second A2 end is electrically connected with a No. 3 wiring terminal of the second relay 203; the first end of the second connection terminal T is electrically connected to the No. 4 connection terminal included in the first relay 103 and the No. 4 connection terminal included in the second relay 203, respectively.
Further, the second relay 203 comprises a No. 1 connection terminal, a No. 2 connection terminal, a No. 5 connection terminal and a No. 8 connection terminal, and specifically, the No. 2 coil and the No. 7 coil are a power input end and an output end of the second relay 203; the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 3 connecting terminal and the No. 6 connecting terminal to form a power-on time-delay closed contact; or the No. 1 wiring terminal and the No. 8 wiring terminal are respectively and electrically connected with the No. 4 wiring terminal and the No. 5 wiring terminal to form an electrifying delay disconnection contact.
In the embodiment of the present invention, the operating voltage of the first fuse 101 and the second fuse 201 is 450v, and the current is 63A; the working voltage of the first alternating current contactor 102 and the second alternating current contactor 202 is 380v, and the current is 32A; the operating voltage of the first relay 103 and the second relay 203 is 250V, and the current is 32A.
Illustratively, the embodiment of the present invention provides a dual power supply redundant power supply device, further comprising a metal box, specifically, the metal box is used for setting the first fuse 101, the first ac contactor 102, the first relay 103, the second fuse 201, the second ac contactor 202 and the second relay 203. The length, width and height of the metal box body are respectively as follows: 450mm,250mm and 135mm; in practical application, the maximum loaded power of the redundant power supply device with two power supplies is 12KW, because the redundant power supply device with two power supplies comprises two circuits, the maximum loaded power of each circuit is 6KW when the power supply input and the power supply output of the two circuits are in normal power supply.
Exemplarily, the dual-power supply redundant power supply device provided by the embodiment of the present invention further includes a first electric energy data collector 105 and a second electric energy data collector 205, wherein the first electric energy data collector 105 is disposed between the first fuse 101 and the first ac contactor 102, and is configured to collect parameters of a power voltage, a current, a frequency, a phase sequence, a waveform, and the like of the first circuit; the second electric energy data collector 205 is disposed between the second fuse 201 and the second ac contactor 202, and is configured to collect parameters of the second circuit, such as power voltage, current, frequency, phase sequence, and waveform.
For example, the dual-power supply redundant power supply apparatus provided by the embodiment of the present invention further includes a first digital switching value controller 106 and a digital switching value controller 206, where the first digital switching value controller 106 is disposed between a first terminal L included in the first ac contactor 102 and the first A1 end; specifically, the first digital switching volume controller 106 sets a switching threshold of the digital switching volume controller through a monitoring terminal or a third party monitoring platform, the threshold including a voltage range and a switching time. The second digital switching quantity controller 206 is provided between the first connection terminal L and the first A1 terminal included in the second ac contactor 202; specifically, the second digital switching volume controller 206 sets the switching threshold of the digital switching volume controller through a monitoring terminal or a third party monitoring platform, the threshold including the voltage range and the switching time.
Illustratively, the embodiment of the present invention provides a dual-power supply redundant power supply device, further comprising a first monitor terminal 107 and a second monitor terminal 207, wherein the first monitor terminal 107 is respectively disposed at the rear ends of the first electric energy data collector 105 and the first digital switching value controller 106. The first electric energy data acquisition unit 105 and the first digital switching value controller are communicated with the monitoring terminal or a third-party monitoring platform through a serial port bus RS 485/232. The second monitoring terminal 207 is respectively disposed at the rear ends of the second power data collector 205 and the second digital switching value controller 206. The second electric energy data acquisition device 205 and the second digital switching value controller are communicated with the monitoring terminal or a third party monitoring platform through a serial port bus RS 485/232.
In order to more clearly introduce the embodiment of the utility model provides a redundant power supply unit of double-circuit power supply, following introduce the principle that this redundant power supply unit of double-circuit power supply is mutual for reserve power supply:
specifically, the first mode: the power supplies of the two circuits have an electric working mode, specifically, after the first circuit is electrified, the coil No. 7 and the coil No. 2 of the first relay 103 are electrified, and the normally open contacts are closed, namely, the wire connecting terminal No. 6, the wire connecting terminal No. 8, the wire connecting terminal No. 1 and the wire connecting terminal No. 3 are conducted; the first ac contactor 102 includes a first end A1 and a first end A2 coil that are energized, and the contactor is closed, that is, the first connection terminal L and the first connection terminal T are conducted; thus, the first load 104 is energized; after the second circuit is electrified, the coil No. 7 and the coil No. 2 of the second relay 203 are electrified, and the normally open contacts are closed, namely the wire connecting terminal No. 6, the wire connecting terminal No. 8, the wire connecting terminal No. 1 and the wire connecting terminal No. 3 are conducted; the coils of the second end A1 and the second end A2 included in the second ac contactor 202 are energized, and the contactor is closed, that is, the second connection terminal L and the second connection terminal T are turned on; thus, the second load 204 is energized.
In the second mode: the mode that the first power supply is powered off by the second power supply is as follows: specifically, after the first circuit is powered off, the coil 7 and the coil 2 of the first relay 103 are powered off, the normally open contact is reset, that is, the connecting terminal 3 is disconnected from the connecting terminal 1, the connecting terminal 6 is disconnected from the connecting terminal 8, and the connecting terminals 4, 1, 8 and 5 are connected; first end A1 and first end A2 coil outage that first ac contactor 102 included, first binding post L and first binding post T disconnection, the power of second circuit passes through 4 binding posts, 1 binding post that first relay 103 included simultaneously, 8 binding posts and 5 binding posts give the power supply of first way circuit, and first load 104 is circular telegram promptly.
The third mode: the mode that the second circuit power supply is powered by the first circuit power supply after the second circuit power supply is powered off is as follows: specifically, after the second circuit is powered off, the No. 7 coil and the No. 2 coil included in the second relay 203 are powered off, the normally open contact is reset, that is, the No. 3 wiring terminal is disconnected from the No. 1 wiring terminal, the No. 6 wiring terminal is disconnected from the No. 8 wiring terminal, and the No. 4 wiring terminal, the No. 1 wiring terminal, the No. 8 wiring terminal and the No. 5 wiring terminal are connected; the second end A1 and the second end A2 coil that the second ac contactor 202 includes cut off power, second binding post L and the disconnection of second binding post T, and the power of first circuit passes through No. 5 binding post, no. 8 binding post that second relay 203 includes simultaneously, and No. 1 binding post and No. 4 binding post, second binding post T of second ac contactor 202 supply power for the second way circuit, and second load 204 is circular telegram.
To sum up, the embodiment of the utility model provides a redundant power supply unit of double-circuit power supply, include: the output end of the first fuse is electrically connected with the first alternating current contactor; the output end of the first alternating current contactor is electrically connected with a first load and is electrically connected with a second load through a first relay; the output end of the second fuse is electrically connected with the second alternating current contactor; the output end of the second alternating current contactor is electrically connected with a second load and is electrically connected with the first load through a second relay; the output end of the first alternating current contactor is electrically connected with a wiring terminal of the second relay, which can form an electrifying delay disconnection contact; and the output end of the second alternating current contactor is electrically connected with a wiring terminal of the first relay, which can form an electrifying delay disconnection contact. In the device, a wiring terminal capable of forming an electrifying delay disconnection contact of a first relay is electrically connected with the output end of a second alternating current contactor, a wiring terminal capable of forming an electrifying delay disconnection contact of a second relay is electrically connected with the output end of the first alternating current contactor, so that two electronic switches capable of controlling on-off are formed, and the on-off of the first contactor and/or the second contactor and the on-off of two output power supply lines are controlled through the electronic switches. The problem that the price is high when STS is adopted to supply power to the electronic equipment in the prior art is solved, and the problem that the electronic equipment is restarted due to the switching time when ATS supplies power to the electronic equipment is also solved; furthermore, two paths of power supplies formed by combining a relay and a contactor in the device are mutually switched, and if an electric energy data collector and a digital switching value controller are additionally arranged at an input end, remote monitoring and intelligent preferential power supply can be realized.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A dual power supply redundant power supply device, comprising:
the output end of the first fuse is electrically connected with the first alternating current contactor;
the output end of the first alternating current contactor is electrically connected with a first load and is electrically connected with a second load through a second relay;
the output end of the second fuse is electrically connected with the second alternating current contactor;
the output end of the second alternating current contactor is electrically connected with a second load and is electrically connected with the first load through a first relay;
the output end of the first alternating current contactor is electrically connected with a wiring terminal which can form an electrifying delay disconnection contact and is arranged in the second relay; and the output end of the second alternating current contactor is electrically connected with a wiring terminal which is included by the first relay and can form an electrified delay disconnection contact.
2. The dual power supply redundant power supply of claim 1 wherein said first ac contactor includes a first A1 terminal, a first A2 terminal; a first connection terminal L and a first connection terminal T;
the first end of the first wiring terminal L is electrically connected with the first A1 end, and the first end of the first A1 end is electrically connected with a No. 7 coil included by the first relay;
the second end of the first wiring terminal L and the first wiring terminal T are normally open contacts;
the second end of the first A1 end is electrically connected with the second end of the first A2 end;
the first end of the first A2 end is electrically connected with a No. 6 wiring terminal included by the first relay;
first terminal of first binding post T respectively with No. 5 binding post that the second relay includes and No. 5 binding post electric connection that first relay includes.
3. The dual power supply redundant power supply of claim 2 wherein said first relay further comprises a No. 1 terminal, a No. 2 coil, a No. 5 terminal and a No. 8 terminal;
the No. 2 coil and the No. 7 coil are the power supply input end and the power supply output end of the first relay;
the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 3 connecting terminal and the No. 6 connecting terminal to form a power-on time-delay closed contact; or the No. 1 wiring terminal and the No. 8 wiring terminal are respectively and electrically connected with the No. 4 wiring terminal and the No. 5 wiring terminal to form an electrifying delay disconnection contact.
4. The dual power supply redundant power supply of claim 1 wherein said second ac contactor includes a second A1, second A2 terminal; a second connection terminal L and a second connection terminal T;
the first end of the second connecting terminal L is electrically connected with the second A1 end, and the first end of the second A1 end is electrically connected with the No. 2 coil;
the second end of the second wiring terminal L and the second wiring terminal T are normally open contact points;
a second end of the second A1 end is electrically connected with a second end of the second A2 end;
the first end of the second A2 end is electrically connected with a No. 6 wiring terminal;
and the first end of the second wiring terminal T is respectively connected with a No. 4 wiring terminal included by the first relay and a No. 4 wiring terminal included by the second relay.
5. The dual power supply redundant power supply of claim 4 wherein said second relay further comprises a number 1 terminal, a number 2 terminal, a number 5 terminal and a number 8 terminal;
the second coil of the No. 2 coil and the No. 7 coil a power input end and an output end of the relay;
the No. 1 connecting terminal and the No. 8 connecting terminal are respectively and electrically connected with the No. 3 connecting terminal and the No. 6 connecting terminal to form a power-on time-delay closed contact; or the No. 1 wiring terminal and the No. 8 wiring terminal are respectively and electrically connected with the No. 4 wiring terminal and the No. 5 wiring terminal to form an electrifying delay disconnection contact.
6. The dual power supply redundant power supply of claim 1 wherein said first fuse and said second fuse operate at a voltage of 450v and a current of 63A; the working voltage of the first alternating current contactor and the second alternating current contactor is 380v, and the current of the first alternating current contactor and the second alternating current contactor is 32A; the working voltage of the first relay and the second relay is 250V, and the current is 32A.
7. The dual-power supply redundant power supply device of claim 1 further comprising a first power data collector and a second power data collector;
the first electric energy data collector is arranged between the first fuse protector and the first alternating current contactor;
the second electric energy data collector is arranged between the second fuse protector and the second alternating current contactor.
8. The dual power supply redundant power supply of claim 1 further comprising a first digital switching volume controller and a second digital switching volume controller;
the first digital switching value controller is arranged between a first connecting terminal L and a first A1 end which are included by the first alternating current contactor;
the second digital switching value controller is arranged between a first connecting terminal L and a first A1 end which are included in the second alternating current contactor.
9. The dual power supply redundant power supply of claim 1 further comprising a first monitor terminal and a second monitor terminal;
the first monitoring end is respectively arranged at the rear ends of the first electric energy data acquisition unit and the first digital switching value controller;
and the second monitoring end is respectively arranged at the rear ends of the second electric energy data acquisition unit and the second digital switching value controller.
10. The dual power supply redundant power supply of claim 1 further comprising a metal case;
the metal box body is used for setting the first fuse, the first alternating current contactor, the first relay, the second fuse, the second alternating current contactor and the second relay.
CN202222176249.0U 2022-08-18 2022-08-18 Double-circuit power supply redundant power supply device Active CN218569836U (en)

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Application Number Priority Date Filing Date Title
CN202222176249.0U CN218569836U (en) 2022-08-18 2022-08-18 Double-circuit power supply redundant power supply device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222176249.0U CN218569836U (en) 2022-08-18 2022-08-18 Double-circuit power supply redundant power supply device

Publications (1)

Publication Number Publication Date
CN218569836U true CN218569836U (en) 2023-03-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222176249.0U Active CN218569836U (en) 2022-08-18 2022-08-18 Double-circuit power supply redundant power supply device

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CN (1) CN218569836U (en)

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