Intelligent rainproof cover power supply device for gas relay

Abstract

A gas relay intelligent rain cover power supply device comprises a photovoltaic power generation unit (1), a wind power generation unit (2), a power supply control module (3), a power storage unit (4) and a gas relay intelligent rain cover (5), the photovoltaic power generation unit (1) and the wind power generation unit (2) are electrically connected with the power supply control module (3), and the power supply control module (3) provides electric energy for the gas relay intelligent rain cover (5). According to the utility model, a clean green power supply is provided for the intelligent rain cover through combination of photovoltaic power generation and wind power generation, and an extra power supply is provided for high-power energy supply of the intelligent rain cover by introducing a transformer substation direct-current power supply through the external energy supply module, so that green cleanness and reliable energy supply are both considered, and support is provided for intelligentization of the gas relay rain cover.

Description

Technical Field

[0001] The utility model belongs to the technical field of power supply devices, and in particular relates to a gas relay intelligent rainproof cover power supply device. Background Art

[0002] In the power system, the gas relay is an important protective element for the transformer. Its function is that when a fault occurs inside the transformer, gas is generated in the oil or oil and gas flow, the gas relay will operate, send a signal or act on the transformer to trip, so as to protect the transformer. When encountering water ingress, bird damage and other situations, the gas relay may malfunction, resulting in power accidents. Therefore, during operation, the gas relay will be equipped with a multi-functional monitoring intelligent rain cover. However, the intelligent rain cover of the gas relay requires a reliable power supply. In the prior art, there is no direct power supply for the device function on the transformer, so it is necessary to provide a reliable power supply device to ensure the normal operation of the multi-functional monitoring intelligent gas relay rain cover. Utility Model Content

[0003] In order to solve the deficiencies in the prior art, the utility model provides a gas relay intelligent rain cover power supply device, which meets the needs of the gas relay rain cover being intelligent and provides stable and green electric energy therefor.

[0004] The technical solution of the utility model is:

[0005] A gas relay intelligent rain cover power supply device,

[0006] It includes a photovoltaic power generation unit, a wind power generation unit, a power control module, a power storage unit and a gas relay intelligent rain cover. The photovoltaic power generation unit and the wind power generation unit are electrically connected to the power control module respectively, and the power control module provides electric energy for the gas relay intelligent rain cover.

[0007] The utility model specifically includes the following preferred technical solutions.

[0008] In a possible implementation, the power control module includes a wind-solar converging module, an external energy supply module, a charging module, a processor module, and a discharging module;

[0009] The wind-solar convergence module and the external energy supply module are electrically connected to the charging module respectively, the charging module and the discharge module are electrically connected to the processor module and the power storage unit respectively, and the charging module and the discharge module are electrically connected, and the discharge module is electrically connected to the gas relay intelligent rain cover.

[0010] In a possible implementation, the wind-solar converging module is electrically connected to the photovoltaic power generation unit and the wind power generation unit.

[0011] In a possible implementation, the external energy supply module is connected to an external power source and outputs electrical energy to the charging module.

[0012] In a possible implementation, the external power source is a substation DC system, and the external energy supply module is connected to the substation DC system.

[0013] In a possible implementation, the processor module controls the charging module to receive and cut off external energy supply.

[0014] The beneficial effects of the utility model are: providing clean green power for the intelligent rain cover by combining photovoltaic and wind power generation, and introducing the DC power supply of the substation through an external power supply module to provide additional power for the high-power power supply of the intelligent rain cover, taking into account both green cleanliness and reliable energy supply, and providing support for the intelligence of the gas relay rain cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the power supply device of the intelligent rainproof cover of the gas relay of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the power control module of the utility model;

[0017] Figure 3 This is the circuit diagram of the wind-solar converging module of the utility model;

[0018] The names of the components are as follows:

[0019] 1-photovoltaic power generation unit, 2-wind power generation unit, 3-power control module, 4-power storage unit, 5-gas relay intelligent rain cover, 3-1-wind and solar confluence module, 3-2-external energy supply module, 3-3-charging module, 3-4-processor module, 3-5-discharging module. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The embodiments described in this application are only part of the embodiments of the utility model, not all of them. Based on the spirit of the utility model, other embodiments obtained by ordinary technicians in this field without creative work are all within the scope of protection of the utility model.

[0021] In order to enable those skilled in the art to better understand the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] See attached Figure 1The gas relay intelligent rain cover power supply device disclosed in the embodiment of the utility model includes a photovoltaic power generation unit 1, a wind power generation unit 2, a power control module 3, a power storage unit 4 and a gas relay intelligent rain cover 5. The photovoltaic power generation unit 1 and the wind power generation unit 2 are electrically connected to the power control module 3 respectively, and the power control module 3 provides power to the gas relay intelligent rain cover 5.

[0023] See attached Figure 2 The power control module 3 includes a wind-solar convergence module 3-1, an external energy supply module 3-2, a charging module 3-3, a processor module 3-4 and a discharge module 3-5. The wind-solar convergence module 3-1 and the external energy supply module 3-2 are electrically connected to the charging module 3-3 respectively, and the charging module 3-3 and the discharge module 3-5 are electrically connected to the processor module 3-4 and the power storage unit 4 respectively, and the charging module 3-3 is electrically connected to the discharge module 3-5, and the discharge module 3-5 is electrically connected to the gas relay intelligent rain cover 5.

[0024] The wind-solar confluence module 3-1 is used to connect the photovoltaic power generation unit 1 and the wind power generation unit 2, and output the photovoltaic and wind power to the charging module 3-3 after collecting the power. The external energy supply module 3-2 is connected to the external power supply and can output electric energy to the charging module 3-3. The charging module 3-3 provides current to the storage unit 4 and the discharge module 3-5 respectively. The storage unit 4 receives the charge from the charging module 3-3 and can output current to the discharge module 3-5. This device provides electric energy to the gas relay intelligent rain cover 5 through the discharge module 3-5. The processor module 3-4 communicates with the charging module 3-3 and the discharge module 3-5. The discharge module detection 3-5 detects the input voltage and current, and reports the discharge output power to the processor module 3-4. The charging module 3-3 collects the wind-solar input power of the wind-solar confluence module 3-1 and the external input power of the external energy supply module 3-5, and reports them to the processor module 3-4. The processor module 3-4 compares the discharge output power with the wind and solar input power. When the discharge output power is lower than the wind and solar input power, the processor module 3-4 controls the charging module 3-2 to cut off the external power supply; when the discharge output power is higher than the wind and solar input power, the processor module 3-4 controls the charging module 3-2 to receive the external power supply.

[0025] Combining photovoltaic power generation with wind power generation can complement each other, improve the stability of power supply, and provide the gas relay intelligent rainproof cover 5 with the green energy required for daily operation.

[0026] In a preferred but non-limiting embodiment, the external energy supply module 3-2 is connected to the DC system of the substation to provide high-power electricity for the gas relay intelligent rain cover 5, such as ventilation, heating and other functions.

[0027] like Figure 3The utility model wind and solar converging module circuit diagram is shown, including photovoltaic power source U pv 、The first photovoltaic IGBT Q pv1 、Photovoltaic second IGBT Q pv2 、Photovoltaic third IGBT Q pv3 、Photovoltaic fourth IGBT Q pv4 , Photovoltaic transformer TF pv 、Wind power supply U wp , Wind power transformer TF wp , capacitor C1, power control first IGBT Q cg1 , power control second IGBTQ cg2 , power control third IGBT Q cg3 , power control fourth IGBT Q cg4 and power control output cg.

[0028] The first photovoltaic IGBT Q pv1 The emitter of the photovoltaic second IGBT Q pv2 The collector of the photovoltaic transformer TF is connected to pv On one side of the coil, the photovoltaic third IGBT Q pv3 The emitter of the photovoltaic fourth IGBT Q pv4 The collector of the photovoltaic transformer TF is connected to pv On one side of the coil, the photovoltaic first IGBT Q pv1 The collector and photovoltaic third IGBT Q pv3 The collector is connected to the photovoltaic power source U pv On the positive electrode, the photovoltaic second IGBT Q pv2 The emitter and photovoltaic fourth IGBTQ pv4 The emitter is connected to the photovoltaic power source U pv Negative connection of wind power source U wp The positive and negative poles are connected to the wind power transformer TF wp On one side of the coil. Through the photovoltaic first IGBT Q pv1 、Photovoltaic second IGBT Q pv2 、Photovoltaic third IGBTQ pv3 And photovoltaic fourth IGBT Q pv4 Will generate photovoltaic power U pv The DC power is inverted into AC power.

[0029] Power supply control first IGBT Q cg1 The emitter of the second IGBT Q cg2 The collector is connected to the photovoltaic transformer TF pvThe other side of the coil is connected to one end, and the power supply controls the third IGBT Q cg3 The emitter and power control of the fourth IGBTQ cg4 The collector is connected to the wind power transformer TF wp The other side of the coil is connected to one end, and the power supply controls the first IGBT Q cg1 The collector and power supply of the third IGBT Q cg3 After the collector is connected, it is connected to the power control output cg, and the power control second IGBTQ cg2 The emitter of the fourth IGBT Q cg4 The emitter of the first IGBT Q is connected to the power control output cg. cg1 , power control second IGBT Q cg2 , power control third IGBT Q cg3 and power control fourth IGBTQ cg4 The AC power after wind and solar power convergence is rectified into DC power, and then output through power supply control to supply energy.

[0030] Photovoltaic transformer TF pv The other end of the coil on the other side is connected in series with capacitor C1 and then connected to wind power transformer TF wp The other end of the coil on the other side. Through the series photovoltaic transformer TF pv The other side coil, capacitor and wind power transformer TF wp The coil on the other side combines photovoltaic power generation and wind power generation to increase the voltage of wind and solar power generation, and the capacitor plays a role in stabilizing the frequency.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or replaced by equivalents, and any modifications or equivalent replacements that do not depart from the spirit and scope of the utility model should be included in the scope of protection of the claims of the utility model.

Claims

1. A gas relay intelligent rain cover power supply device, characterized in that: The invention comprises a photovoltaic power generation unit (1), a wind power generation unit (2), a power control module (3), a power storage unit (4) and a gas relay intelligent rain cover (5); the photovoltaic power generation unit (1) and the wind power generation unit (2) are respectively electrically connected to the power control module (3), and the power control module (3) provides electric energy to the gas relay intelligent rain cover (5).

2. The intelligent rainproof cover power supply device for gas relay according to claim 1, characterized in that: The power control module (3) comprises a wind-solar converging module (3-1), an external energy supply module (3-2), a charging module (3-3), a processor module (3-4) and a discharging module (3-5); The wind-solar converging module (3-1) and the external energy supply module (3-2) are electrically connected to the charging module (3-3) respectively, the charging module (3-3) and the discharging module (3-5) are electrically connected to the processor module (3-4) and the power storage unit (4) respectively, and the charging module (3-3) and the discharging module (3-5) are electrically connected, and the discharging module (3-5) is electrically connected to the gas relay intelligent rain cover (5).

3. The intelligent rainproof cover power supply device for gas relay according to claim 2, characterized in that: The wind-solar converging module (3-1) is electrically connected to the photovoltaic power generation unit (1) and the wind power generation unit (2).

4. The intelligent rain cover power supply device for gas relay according to claim 2, characterized in that: The external energy supply module (3-2) is connected to an external power source and outputs electric energy to the charging module (3-3).

5. The intelligent rainproof cover power supply device for gas relay according to claim 4, characterized in that: The external power source is a substation DC system, and the external energy supply module (3-2) is connected to the substation DC system.

6. The intelligent rainproof cover power supply device for gas relay according to claim 2, characterized in that: The processor module (3-4) controls the charging module (3-3) to receive and cut off external energy supply.

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