Intelligent power saving protection device

Abstract

The present invention discloses an intelligent power-saving device, which specifically relates to the field of power-saving, and includes a visual part, a central processing part and a data acquisition part, wherein the visual part, the central processing part and the data acquisition part are connected in sequence, wherein the data acquisition part is connected to a power-saving main body part, wherein the power-saving main body part is connected to one end of a reactor, wherein one end of the reactor is connected to a conversion part, wherein the conversion part is connected to a protection part, wherein one end of the protection part is connected to a power-saving main body auxiliary part. The present invention can balance three-phase voltage and current, adjust voltage, improve power factor, limit starting current, and reduce high-order harmonics through the common use of the power-saving main body part, the reactor, the conversion part, the protection part and the power-saving main body auxiliary part, thereby saving electric energy resources in many aspects, reducing a certain amount of electricity bill expenditure for enterprises, and facilitating people's use.

Description

Technical Field

[0001] The present invention relates to the technical field of power saving, and more specifically, to an intelligent power saving protection device. Background Art

[0002] With the rapid development of modern social economy, energy shortage has become a global problem. As an indispensable pillar of modern civilization, the limited nature of electricity has also attracted people's attention. How to better save electricity resources is a major task before us. At present, electricity-consuming enterprises and units have the following problems in electricity use:

[0003] (1) The voltage of the power users is too high, resulting in excessive waste of power energy;

[0004] (2) The use of single-phase equipment will result in unbalanced three-phase voltage and current, which will increase electricity costs for electricity users;

[0005] (3) The phenomenon of too low power factor will reduce the utilization rate of electric energy and increase the electricity expenses of the enterprise;

[0006] (4) Most electrical equipment is electric motors. Frequent starting of electric motors will also increase the electricity expenses of enterprises.

[0007] (5) Most electrical appliances are electronic products. When they are working, they generate high-order harmonics. High-order harmonics will inevitably lead to harmonic currents and harmonic voltages, which will increase the electricity bills of electricity users. Summary of the invention

[0008] In order to overcome the above-mentioned defects of the prior art, an embodiment of the present invention provides an intelligent power-saving protection device. The technical problem to be solved by the present invention is: how to save electric energy resources.

[0009] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an intelligent power-saving protection device, comprising a visual part, a central processing part and a data acquisition part, wherein the visual part, the central processing part and the data acquisition part are connected in sequence, the data acquisition part is connected to a power-saving main body part, the power-saving main body part is connected to one end of the reactor, one end of the reactor is connected to a conversion part, the conversion part is connected to a protection part, and one end of the protection part is connected to a power-saving main body auxiliary part.

[0010] In a preferred embodiment, a fuse is arranged in series on each phase circuit of the input end of the data acquisition part, the primary current input by the data acquisition part is input into the data acquisition part through a mutual inductor, the central processing part is used for processing current, voltage, power, electric quantity, harmonics, fault and temperature, and the visual part is used for displaying current, voltage, active power, reactive power, frequency, power saving rate display, historical data, harmonic current, temperature, power saving indication, mains indication and fault indication.

[0011] In a preferred embodiment, the power saver body is composed of an iron core, a first coil, a second coil, a third coil and a fourth coil connected to the power line, and the first coil, the second coil, the third coil and the fourth coil are all wound around the iron core.

[0012] In a preferred embodiment, one end of the first coil is connected to the live wire as a power supply line, and the other end is used for three-phase, two-phase and single-phase loads.

[0013] In a preferred embodiment, the a3, b3, and c3 ends of the second coil are connected in parallel to point N, the a4 end of the second coil is connected to the c2 end of the third coil, the b4 end of the second coil is connected to the a2 end of the third coil, and the c4 end of the second coil is connected to the b2 end of the third coil.

[0014] In a preferred embodiment, the a1, b1, and c1 ends of the third coil are connected to one end of the inductor and KM8 and ATS-B, the other end of the ATS-B is connected in parallel to point N, the other end of the contactor KM8 is connected to one end of QF8, the other end of QF8 is connected to the auxiliary part of the energy saver body and one end of ATS-A, the other end of ATS-A is connected to one end of QF1, and the other end of QF1 is connected to one end of a, b, and c.

[0015] In a preferred embodiment, one end of the reactor is connected to one end of KM1, KM3, KM5, KM7, the other end of KM1, KM5, KM7 is connected to one end of QF2, QF5, QF7, the other end of QF2, QF5, QF7 is connected to one end of the auxiliary part of the power saver body, the other end of KM3 is connected to point N of the auxiliary part of the power saver body, the other end of the reactor is connected to one end of KM2, KM4, KM6, the other end of KM2, KM4, KM6 is connected to one end of QF3, QF4, QF6, the other end of QF3, QF4, QF6 is connected to one end of the auxiliary part of the power saver body.

[0016] Compared with the prior art, the technical effects and advantages of the present invention are as follows:

[0017] The present invention can balance three-phase voltage and current, adjust voltage, improve power factor, limit starting current, and reduce high-order harmonics through the common use of the energy-saving main body part, the reactor, the conversion part, the protection part and the energy-saving main body auxiliary part. It can save electric energy resources from many aspects, reduce a certain amount of electricity expenditure for enterprises, and facilitate people's use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall circuit structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0020] The accompanying drawings are marked as follows: 1. visual part; 2. central processing part; 3. data acquisition part; 4. main part of the power saver; 5. reactor; 6. conversion part; 7. protection part; 8. auxiliary part of the main part of the power saver. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] according to Figure 1-2 An intelligent power-saving protection device shown includes a visual part 1, a central processing part 2 and a data acquisition part 3, wherein the visual part 1, the central processing part 2 and the data acquisition part 3 are connected in sequence, the data acquisition part 3 is connected to a power-saving main body part 4, the power-saving main body part 4 is connected to one end of a reactor 5, one end of the reactor 5 is connected to a conversion part 6, the conversion part 6 is connected to a protection part 7, and one end of the protection part 7 is connected to a power-saving main body auxiliary part 8.

[0023] In a preferred embodiment, a fuse is arranged in series on each phase circuit of the input end of the data acquisition part 3, the primary current input by the data acquisition part 3 is input into the data acquisition part 3 through a transformer, the central processing part 2 is used for processing current, voltage, power, electric quantity, harmonics, fault and temperature, and the visual part 1 is used for displaying current, voltage, active power, reactive power, frequency, power saving rate display, historical data, harmonic current, temperature, power saving indication, mains indication and fault indication.

[0024] In a preferred embodiment, the power saver main body 4 is composed of an iron core, a first coil connected to a power line, a second coil, a third coil and a fourth coil, and the first coil, the second coil, the third coil and the fourth coil are all wound around the iron core.

[0025] In a preferred embodiment, one end of the first coil is connected to the live wire as a power supply line, and the other end is used for three-phase, two-phase and single-phase loads.

[0026] In a preferred embodiment, the a3, b3, and c3 ends of the second coil are connected in parallel to point N, the a4 end of the second coil is connected to the c2 end of the third coil, the b4 end of the second coil is connected to the a2 end of the third coil, and the c4 end of the second coil is connected to the b2 end of the third coil.

[0027] In a preferred embodiment, the a1, b1, and c1 ends of the third coil are connected to one end of the inductor 5, KM8, and ATS-B, the other end of the ATS-B is connected in parallel to point N, the other end of the contactor KM8 is connected to one end of QF8, the other end of QF8 is connected to the auxiliary part of the energy saver body 8 and one end of ATS-A, the other end of ATS-A is connected to one end of QF1, and the other end of QF1 is connected to one end of a, b, and c.

[0028] In a preferred embodiment, one end of the reactor 5 is connected to one end of KM1, KM3, KM5, and KM7, the other end of KM1, KM5, and KM7 is connected to one end of QF2, QF5, and QF7, the other end of QF2, QF5, and QF7 is connected to one end of the auxiliary part 8 of the power saver body, the other end of KM3 is connected to point N of the auxiliary part 8 of the power saver body, the other end of the reactor 5 is connected to one end of KM2, KM4, and KM6, the other end of KM2, KM4, and KM6 is connected to one end of QF3, QF4, and QF6, and the other end of QF3, QF4, and QF6 is connected to one end of the auxiliary part 8 of the power saver body.

[0029] The beneficial effects of the present invention are as follows: through the joint use of the energy-saving main body, reactor, conversion part, protection part and energy-saving main body auxiliary part, it is possible to balance the three-phase voltage and current, adjust the voltage, improve the power factor, limit the starting current, and reduce high-order harmonics. It can save electric energy resources from many aspects, reduce a certain amount of electricity bill expenditure for enterprises, and facilitate people's use.

[0030] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0031] Secondly: In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

[0032] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent power-saving protection device, comprising a visual part (1), a central processing part (2) and a data acquisition part (3), wherein the visual part (1), the central processing part (2) and the data acquisition part (3) are connected in sequence, characterized in that: The data acquisition part (3) is connected to a power saver main body part (4), the power saver main body part (4) is connected to one end of a reactor (5), one end of the reactor (5) is connected to a conversion part (6), the conversion part (6) is connected to a protection part (7), and one end of the protection part (7) is connected to a power saver main body auxiliary part (8); The power saver main body (4) is composed of an iron core, a first coil connected to a power line, a second coil, a third coil and a fourth coil, wherein the first coil, the second coil, the third coil and the fourth coil are all wound around the iron core; One end of the first coil is connected to the live wire as a power supply line, and the other end is used for three-phase, two-phase and single-phase loads; The a3, b3 and c3 ends of the second coil are connected in parallel to point N, the a4 end of the second coil is connected to the c2 end of the third coil, the b4 end of the second coil is connected to the a2 end of the third coil, and the c4 end of the second coil is connected to the b2 end of the third coil; The a1, b1 and c1 ends of the third coil are connected to the reactor (5) and one end of the contactor KM8 and ATS-B, the other end of the ATS-B is connected in parallel to point N, the other end of the contactor KM8 is connected to one end of QF8, the other end of QF8 is connected to the auxiliary part of the power saver body (8) and one end of ATS-A, the other end of ATS-A is connected to one end of QF1, and the other end of QF1 is connected to the three-phase output ends a, b and c; One end of the reactor (5) is connected to one end of KM1, KM3, KM5, KM7, the other end of KM1, KM5, KM7 is connected to one end of QF2, QF5, QF7, the other end of QF2, QF5, QF7 is connected to one end of the auxiliary part (8) of the power saver body, the other end of KM3 is connected to point N of the auxiliary part (8) of the power saver body, the other end of the reactor (5) is connected to one end of KM2, KM4, KM6, the other end of KM2, KM4, KM6 is connected to one end of QF3, QF4, QF6, the other end of QF3, QF4, QF6 is connected to one end of the auxiliary part (8) of the power saver body.

2. The intelligent power-saving protection device according to claim 1, characterized in that: A fuse is provided in series on each phase circuit of the input end of the data acquisition part (3); the primary current input by the data acquisition part (3) is input into the data acquisition part (3) through a mutual inductor; the central processing part (2) is used for processing current, voltage, power, electric quantity, harmonics, faults and temperature; the visual part (1) is used for displaying current, voltage, active power, reactive power, frequency, power saving rate display, historical data, harmonic current, temperature, power saving indication, mains indication and fault indication.

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