CN220457110U - Equipment for power supply delay protection - Google Patents

Abstract

The utility model discloses equipment for protecting power supply delay, which comprises a first power supply valve; the device is connected with a second power valve through a lead as shown in a figure, the first power valve and the second power valve are electrified through a power switch, the first power valve is electrified to enable current to be fed into the monitor, the monitor is electrified to an output port, electric equipment is connected with the output port to be used for electricity, meanwhile, the positive electrode of the monitoring output end is connected with the positive electrode of the shifting plate input end through the lead, the second power valve can share a negative lead inside the normally closed relay to form a loop after being powered by the normally closed relay, the normally closed shifting plate inside the normally closed relay is shifted to a normally open position, the positive electrode input end is disconnected with the positive electrode output end, a circuit inside the second power valve is not communicated with the output port during disconnection of the normally closed shifting plate, the first power valve is directly powered by the output port, and when the first power valve is powered by the first power valve, the circuit passes through the monitor, and the monitor is the fluctuation inside the first power valve is monitored in real time.

Description

Equipment for power supply delay protection

Technical Field

The utility model relates to the technical field of power delay protection, in particular to equipment for power delay protection.

Background

The switching power supply is widely applied to various devices due to the advantages of small size, light weight, high conversion efficiency, stable and reliable performance and the like, and when the switching power supply works normally, if an output short circuit occurs, a very large current can be generated due to the short circuit of an output circuit, the switching power supply can be overheated or even damaged when receiving the large current, and further the connected electric appliance can be damaged.

When the power supply fluctuates or is powered off, the standby power supply needs to be connected in the circuit in time, so that a certain degree of time is striven for closing the electric equipment, the electric equipment can be better protected, the traditional main power supply is often directly connected to the electric equipment, and then the protection effect cannot be better achieved, and therefore, a power supply delay protection device is provided by a person skilled in the art, and the problem in the background art is solved.

Disclosure of Invention

The present utility model is directed to a power supply delay protection device, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the power delay protection device comprises a first power valve, a second power valve, an output port, a bottom plate, a normally closed relay, a monitor and a power switch;

preferably, the upper end of the bottom plate is fixedly connected with a first power valve, a second power valve, an output port, a normally closed relay and a monitor, and the upper ends of the first power valve and the second power valve are respectively provided with a power switch;

preferably, the upper end of the first power valve is provided with a first power input end and a first power output end, the upper end of the second power valve is provided with a second power input end and a second power output end, the upper end of the monitor is provided with a monitoring input end and a monitoring output end, and the upper end of the normally closed relay is provided with a plectrum input end, a cathode output end, an anode output end, a cathode input end and an anode input end;

preferably, the first power output end and the monitoring input end are in telecommunication connection, the monitor is in telecommunication connection with the output port, the anode of the monitoring output end is in telecommunication connection with the anode of the dial plate input end, the standby power is in telecommunication connection with the second power input end, and the second power input end is in telecommunication connection with the anode input end and the cathode input end;

by adopting the technical proposal, the utility model has the advantages that,

compared with the prior art, the utility model has the beneficial effects that: the device is connected with a second power valve through a lead wire, the first power valve is electrified with the second power valve through a power switch, the first power valve is electrified to enable current to be fed into the monitor, the monitor is electrified into the output port, the electric equipment is connected with the output port to be used for power utilization, meanwhile, the positive electrode of the monitoring output end is connected with the positive electrode of the plectrum input end through the lead wire, the second power valve can share the negative lead wire inside the normally closed relay to form a loop after powering the normally closed relay, the plectrum normally closed inside the normally closed relay is further shifted to the normally open position, the positive electrode input end is further disconnected with the positive electrode output end, the circuit inside the second power valve is not communicated with the output port during the disconnection period, the first power valve is directly powered by the output port, and the circuit passes through the monitor when powering the first power valve, the monitor monitors the fluctuation inside the first power valve in real time, so that the first power valve is disconnected when the power supply is unstable or no voltage is generated, the input end of the pulling piece is disconnected at the same time after the power supply is disconnected, the pulling piece inside the normally-closed relay is changed from normally open to normally closed, the positive input end and the positive output end are mutually communicated, and the second power valve is used for directly supplying power to the output end.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a power delay protection device.

Fig. 2 is a schematic diagram of a wire connection of a power delay protection device.

Fig. 3 is a schematic flow chart of a power supply delay protection device.

In the figure: 1. a first power valve; 2. a second power valve; 3. an output port; 4. a bottom plate; 5. a normally closed relay; 6. a monitor; 7. a power switch; 8. a first power input; 9. a first power supply output; 10. monitoring an input; 11. monitoring an output end; 12. a plectrum input; 13. a negative electrode output terminal; 14. an anode output; 15. a negative electrode input terminal; 16. an anode input terminal; 17. a second power supply output terminal; 18. a second power input; 19. and a standby power supply.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, in an embodiment of the present utility model, a power delay protection device includes a first power valve 1, a second power valve 2, an output port 3, a bottom plate 4, a normally closed relay 5, a monitor 6, and a power switch 7; the utility model discloses a power supply control circuit, including bottom plate 4, first power valve 1 of bottom plate 4 upper end fixedly connected with, second power valve 2, output port 3, normally closed relay 5 and monitor 6, first power valve 1 and second power valve 2 upper end all are provided with switch 7, first power valve 1 upper end is provided with first power input 8 and first power output 9, second power valve 2 upper end is provided with second power input 18 and second power output 17, monitor 6 upper end is provided with monitoring input 10 and monitoring output 11, normally closed relay 5 upper end is provided with plectrum input 12, negative pole output 13, anodal output 14, negative pole input 15 and anodal input 16, first power output 9 and monitoring input 10 pass through telecommunication connection, monitor 6 and output port 3 telecommunication connection, and the anodal of monitoring output 11 is connected with plectrum input 12 anodal telecommunication, stand-by power supply 19 and second power input 18 telecommunication connection, second power input 18 and anodal input 16 and negative pole telecommunication connection 15.

The working principle of the utility model is as follows:

the utility model relates to a power delay protection device, which is characterized in that a device is connected with a wire as shown in a figure 2, a power switch 7 is used for electrifying a first power valve 1 and a second power valve 2, the first power valve 1 is electrified to enable current to be electrified to a monitor 6, the monitor 6 is electrified to an output port 3, electric equipment is connected with the output port 3 for power utilization, meanwhile, the positive electrode of a monitoring output end 11 is connected with the positive electrode of a shifting sheet input end 12 through the wire, after the second power valve 2 supplies power to a normally closed relay 5, a negative wire inside the normally closed relay 5 can be shared to form a loop, the normally closed shifting sheet inside the normally closed relay 5 is shifted to a normally open position, then a positive electrode input end 16 is disconnected with a positive electrode output end 14, the circuit inside the second power valve 2 is not communicated with the output port 3 during the disconnection, the first power valve 1 directly supplies power to the output port 3, when the first power valve 1 supplies power, a circuit passes through the monitor 6, the monitor 6 monitors the internal fluctuation of the first power valve 1 in real time, then the power supply of the first power valve 1 is disconnected when the power supply is unstable or no voltage is generated, the dial plate input end 12 is disconnected at the same time after the power supply is disconnected, the dial plate in the normally closed relay 5 is changed from normally open to normally closed, the positive electrode input end 16 and the positive electrode output end 14 are mutually communicated, and the second power valve 2 supplies power for the output port 3 directly, the utility model can disconnect when the monitor 6 monitors the voltage provided by the first power valve 1 in real time, further provides protection measures for electric equipment, reduces the influence caused by the fluctuation of the voltage, and the normally closed relay 5 better separates the circuits provided by the first power valve 1 and the second power valve 2 from each other because the normally closed relay 5 is arranged, and then the first power valve 1 is switched to the second power valve 2 more smoothly after being disconnected, so that the service efficiency of the electric appliance is ensured.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides a power delay protection's equipment, includes first power valve (1), second power valve (2), output port (3), bottom plate (4), normally closed relay (5), monitor (6) and switch (7), its characterized in that, bottom plate (4) upper end fixedly connected with first power valve (1), second power valve (2), output port (3), normally closed relay (5) and monitor (6), first power valve (1) and second power valve (2) upper end all are provided with switch (7).

2. A power delay protection device according to claim 1, characterized in that the first power valve (1) is provided with a first power input (8) and a first power output (9) at its upper end, and the second power valve (2) is provided with a second power input (18) and a second power output (17) at its upper end.

3. A power supply delay protection device according to claim 1, characterized in that the monitor (6) is provided at its upper end with a monitor input (10) and a monitor output (11).

4. The power supply delay protection device according to claim 1, wherein the normally closed relay (5) is provided with a paddle input (12), a cathode output (13), an anode output (14), a cathode input (15) and an anode input (16) at the upper end.

5. A power delay protection device according to claim 2, characterized in that the first power output (9) and the monitoring input (10) are connected by telecommunications.

6. A power delay protection device according to claim 1, characterized in that the monitor (6) is in telecommunication connection with the output port (3) and the positive pole of the monitor output (11) is in telecommunication connection with the positive pole of the blade input (12) and the standby power supply (19) is in telecommunication connection with the second power supply input (18).

7. A power delay protection device according to claim 6, characterized in that the second power input (18) is in telecommunication connection with the positive input (16) and the negative input (15).