CN214673749U - Block terminal with higher harmonic filter device - Google Patents
Block terminal with higher harmonic filter device Download PDFInfo
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- CN214673749U CN214673749U CN202121261268.2U CN202121261268U CN214673749U CN 214673749 U CN214673749 U CN 214673749U CN 202121261268 U CN202121261268 U CN 202121261268U CN 214673749 U CN214673749 U CN 214673749U
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- harmonic elimination
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The utility model discloses a distribution box with a higher harmonic wave filter device, wherein the higher harmonic wave filter device is arranged in the distribution box, the higher harmonic filter device comprises a commercial power unit, a balance harmonic elimination circuit and an overvoltage protection circuit which are connected in sequence, the balanced harmonic elimination circuit is respectively connected with the commercial power unit and the overvoltage protection circuit, the balanced harmonic elimination circuit comprises a first balanced harmonic elimination circuit, a second balanced harmonic elimination circuit and a third balanced harmonic elimination circuit, the input end of the first balanced detuning circuit is connected with the output end of the fuse F1, the input end of the second balanced detuning circuit is connected with the output end of the fuse F2, the input end of the third balanced detuning circuit is connected with the output end of the fuse F3, and the output ends of the first balanced harmonic elimination circuit, the second balanced harmonic elimination circuit and the third balanced harmonic elimination circuit are connected with an overvoltage protection circuit. The utility model discloses a block terminal with higher harmonic filter device has advantages such as the treatment of three-phase correction and low order harmonic.
Description
Technical Field
The utility model relates to a higher harmonic filtering technical field, concretely relates to block terminal with higher harmonic filter device.
Background
Electric power becomes essential energy in daily life and work of people, and people like water, air and sunlight leave the electric power unpreferably. However, the causes and hazards of grid pollution are poorly understood. Most of the existing devices adopt microelectronic technology, the devices are nonlinear loads which have high requirements on the quality of electric energy and can pollute the power grid, so that a series of problems such as misoperation of a machine, high failure rate of the devices, reduction of the insulation strength, rise of the working temperature of a motor, increase of energy consumption, reduction of power factors, acceleration of the abrasion speed of mechanical parts, shortening of the service life of the devices, failure of a control system, incapability of starting up the machine, communication interruption and the like are caused, and even fire disasters can occur. In addition, the skin effect phenomenon is more serious due to the high-frequency clutter in the electric system, the impedance of the lead is increased along with the increase of the frequency, and the lead is in an overload working state for a long time, so that the electric energy is converted into heat energy to cause the lead to generate heat, and the aging of the lead is accelerated.
Higher harmonics in a power grid have a strong radiation effect, and the energy of the higher harmonics is directly coupled or enters digital equipment in a radiation mode, so that the normal work of the equipment is interfered, the fault rate of the equipment is increased, and the service life of the equipment is influenced. In addition, electromagnetic radiation generated by higher harmonics acts on human bodies, and has certain side effects on human health.
SUMMERY OF THE UTILITY MODEL
The utility model provides a block terminal with higher harmonic filter device aims at solving above-mentioned problem.
According to the distribution box with the higher harmonic filter device provided by the embodiment of the application, the higher harmonic filter device is arranged in the distribution box and comprises a commercial power unit, a balance harmonic elimination circuit and an overvoltage protection circuit which are sequentially connected, the balanced harmonic elimination circuit is respectively connected with the commercial power unit and the overvoltage protection circuit, the balanced harmonic elimination circuit comprises a first balanced harmonic elimination circuit, a second balanced harmonic elimination circuit and a third balanced harmonic elimination circuit, the input end of the first balanced detuning circuit is connected with the output end of the fuse F1, the input end of the second balanced detuning circuit is connected with the output end of the fuse F2, the input end of the third balanced detuning circuit is connected with the output end of the fuse F3, and the output ends of the first balanced harmonic elimination circuit, the second balanced harmonic elimination circuit and the third balanced harmonic elimination circuit are connected with an overvoltage protection circuit.
Preferably, the overvoltage protection circuit includes a first current interrupter, an ac contactor, and a second current interrupter connected in series to the balanced resonance elimination circuit, the ac contactor being a plurality of ac contactors connected in parallel, one end of the plurality of ac contactors being connected in series to the first current interrupter, the second current interrupter being a plurality of second current interrupters connected in parallel, the plurality of second current interrupters being connected in series to the other end of the ac contactor.
Preferably, the first cutout is of type NXB-63/3P 63A.
Preferably, the second cutout is of type NXB-63/1P D32A.
Preferably, the alternating current contactor is NXC-50220V in model.
Preferably, the overvoltage protection circuit further comprises a vent fan and a third current interrupter, wherein two ends of the third current interrupter are respectively connected with the alternating current contactor and the vent fan in series, and the model of the third current interrupter is NXBLE-63/2P C10A.
Preferably, the first balanced detuning circuit comprises a capacitor C1 and an inductor L4 connected in series, the second balanced detuning circuit comprises a capacitor C2 and an inductor L5 connected in series, and the third balanced detuning circuit comprises a capacitor C3 and an inductor L6 connected in series.
Preferably, the block terminal still includes smoke alarm and temperature and humidity sensor.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the application designs a block terminal with higher harmonic filter device, be provided with higher harmonic filter device in the block terminal, higher harmonic filter device is including the commercial power unit, balanced harmonic elimination circuit and the overvoltage protection circuit that connect gradually, balanced harmonic elimination circuit respectively with commercial power unit, overvoltage protection circuit connect, balanced harmonic elimination circuit includes first balanced harmonic elimination circuit, second balanced harmonic elimination circuit and third balanced harmonic elimination circuit, fuse F1's output is connected to first balanced harmonic elimination circuit's input, fuse F2's output is connected to second balanced harmonic elimination circuit's input, fuse F3's output is connected to third balanced harmonic elimination circuit's input, overvoltage protection circuit is connected to first balanced harmonic elimination circuit, second balanced harmonic elimination circuit and third balanced harmonic elimination circuit's output. The harmonic wave and filtering can be absorbed by arranging the higher harmonic wave filtering device in the distribution box, after detecting surge, peak, surge and transient in the power supply, the higher harmonic wave filtering device is stored, harmful parts of the higher harmonic wave filtering device are absorbed and dissipated in a heat energy mode, and the favorable parts are fed back to a power grid; after absorbing high-frequency noise, the high-frequency noise is dissipated in the form of heat energy; all harmful parts of the higher harmonics are dissipated in the form of heat energy and do not return to the phase line and the neutral line; meanwhile, the impedance in a power grid line can be changed, the three-phase correction of a power utilization system and the treatment of low-order harmonic waves are facilitated, the service life of a zero device in the distribution box is effectively prolonged, the temperature rise of a motor during the operation of the motor can be effectively reduced after high-frequency noise is absorbed, the efficiency of electric equipment can be improved after the high-frequency noise is absorbed, and the energy-saving effect is achieved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic view of a connection structure of a distribution box with a higher harmonic filter device according to the present invention;
fig. 2 is a circuit diagram of the distribution box with the higher harmonic filter device of the present invention;
fig. 3 is a schematic perspective view of the distribution box with the higher harmonic filter of the present invention;
fig. 4 is a circuit diagram of the distribution box with the higher harmonic filter device of the present invention.
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 some, not all, of the embodiments of the present invention. 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.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in the specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
Referring to fig. 1-4, the present invention discloses a distribution box 10 with a higher harmonic filter device, the distribution box 10 is internally provided with a higher harmonic filter device 20, the higher harmonic filter device 20 comprises a commercial power unit 30, a balance harmonic elimination circuit 40 and an overvoltage protection circuit 50 which are connected in sequence, the balance resonance elimination circuit 40 is respectively connected with the commercial power unit 30 and the overvoltage protection circuit 50, the balanced detuning circuit comprises a first balanced detuning circuit, a second balanced detuning circuit and a third balanced detuning circuit, the input end of the first balanced detuning circuit is connected with the output end of the fuse F1, the input end of the second balanced detuning circuit is connected with the output end of the fuse F2, the input end of the third balanced detuning circuit is connected with the output end of the fuse F3, and the output ends of the first balanced harmonic elimination circuit, the second balanced harmonic elimination circuit and the third balanced harmonic elimination circuit are connected with an overvoltage protection circuit. It will be appreciated that the overvoltage protection circuit 50 is connected to the customer distribution terminal.
The overvoltage protection circuit 50 includes a first current interrupter, an ac contactor, and a second current interrupter connected in series with the balanced resonance elimination circuit, the ac contactor being connected in parallel between a plurality of ac contactors, one end of the plurality of ac contactors being connected in series with the first current interrupter, the second current interrupter being connected in parallel between a plurality of second current interrupters, the plurality of second current interrupters being connected in series with the other end of the ac contactor.
It will be appreciated that in this embodiment, the first interrupter is of the type NXB-63/3P 63A.
It will be appreciated that in this embodiment, the second interrupter is of the type NXB-63/1P D32A.
It can be understood that in the embodiment, the alternating current contactor is NXC-50220V in model.
It is understood that the overvoltage protection circuit 50 further comprises a fan and a third interrupter, both ends of the third interrupter are respectively connected in series with the ac contactor and the fan, and the third interrupter is NXBLE-63/2P C10A.
It is understood that different specification models of the first current interrupter, the second current interrupter, the ac contactor, and the third current interrupter may be selected according to different use scenarios and requirements.
It will be appreciated that the electrical box 10 with the higher harmonic filtering means also includes a smoke alarm and a temperature and humidity sensor. By adopting the design, the temperature, humidity and smoke conditions in the distribution box can be monitored in real time, and the working performance is safe, stable and reliable.
Referring to fig. 4, the first balanced detuning circuit includes a capacitor C1 and an inductor L4 connected in series, the second balanced detuning circuit includes a capacitor C2 and an inductor L5 connected in series, and the third balanced detuning circuit includes a capacitor C3 and an inductor L6 connected in series.
The technical scheme provided by the embodiment of the application can have the following beneficial effects:
the application designs a block terminal with higher harmonic filter device, be provided with higher harmonic filter device in the block terminal, higher harmonic filter device is including the commercial power unit, balanced harmonic elimination circuit and the overvoltage protection circuit that connect gradually, balanced harmonic elimination circuit respectively with commercial power unit, overvoltage protection circuit connect, balanced harmonic elimination circuit includes first balanced harmonic elimination circuit, second balanced harmonic elimination circuit and third balanced harmonic elimination circuit, fuse F1's output is connected to first balanced harmonic elimination circuit's input, fuse F2's output is connected to second balanced harmonic elimination circuit's input, fuse F3's output is connected to third balanced harmonic elimination circuit's input, overvoltage protection circuit is connected to first balanced harmonic elimination circuit, second balanced harmonic elimination circuit and third balanced harmonic elimination circuit's output. The harmonic wave and filtering can be absorbed by arranging the higher harmonic wave filtering device in the distribution box, after detecting surge, peak, surge and transient in the power supply, the higher harmonic wave filtering device is stored, harmful parts of the higher harmonic wave filtering device are absorbed and dissipated in a heat energy mode, and the favorable parts are fed back to a power grid; after absorbing high-frequency noise, the high-frequency noise is dissipated in the form of heat energy; all harmful parts of the higher harmonics are dissipated in the form of heat energy and do not return to the phase line and the neutral line; meanwhile, the impedance in a power grid line can be changed, the three-phase correction of a power utilization system and the treatment of low-order harmonic waves are facilitated, the service life of a zero device in the distribution box is effectively prolonged, the temperature rise of a motor during the operation of the motor can be effectively reduced after high-frequency noise is absorbed, the efficiency of electric equipment can be improved after the high-frequency noise is absorbed, and the energy-saving effect is achieved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a block terminal with higher harmonic filter device which characterized in that: the high-frequency power distribution box is characterized in that a high-frequency harmonic filter device is arranged in the power distribution box and comprises a mains supply unit, a balanced harmonic elimination circuit and an overvoltage protection circuit which are sequentially connected, the balanced harmonic elimination circuit is respectively connected with the mains supply unit and the overvoltage protection circuit, the balanced harmonic elimination circuit comprises a first balanced harmonic elimination circuit, a second balanced harmonic elimination circuit and a third balanced harmonic elimination circuit, the input end of the first balanced harmonic elimination circuit is connected with the output end of a fuse F1, the input end of the second balanced harmonic elimination circuit is connected with the output end of a fuse F2, the input end of the third balanced harmonic elimination circuit is connected with the output end of a fuse F3, and the output ends of the first balanced harmonic elimination circuit, the second balanced harmonic elimination circuit and the third balanced harmonic elimination circuit are connected with the overvoltage protection circuit.
2. The electrical box with higher harmonic filtering apparatus of claim 1, further comprising: the overvoltage protection circuit comprises a first current breaker, an alternating current contactor and a second current breaker, wherein the first current breaker, the alternating current contactor and the second current breaker are connected in series with the balanced harmonic elimination circuit, the alternating current contactors are connected in parallel, one ends of the alternating current contactors are connected with the first current breaker in series, the second current breaker is connected in parallel between the second current breakers, and the second current breakers are connected with the other end of the alternating current contactor in series.
3. The electrical box with higher harmonic filtering apparatus of claim 2, further comprising: the first cutout is of type NXB-63/3P 63A.
4. The electrical box with higher harmonic filtering apparatus of claim 2, further comprising: the second interrupter is of type NXB-63/1P D32A.
5. The electrical box with higher harmonic filtering apparatus of claim 2, further comprising: the model of the alternating current contactor is NXC-50220V.
6. The electrical box with higher harmonic filtering apparatus of claim 2, further comprising: the overvoltage protection circuit further comprises an exhaust fan and a third current interrupter, wherein two ends of the third current interrupter are respectively connected with the alternating current contactor and the exhaust fan in series, and the model of the third current interrupter is NXBLE-63/2P C10A.
7. The electrical box with higher harmonic filtering apparatus of claim 2, further comprising: the first balanced detuning circuit comprises a capacitor C1 and an inductor L4 which are connected in series, the second balanced detuning circuit comprises a capacitor C2 and an inductor L5 which are connected in series, and the third balanced detuning circuit comprises a capacitor C3 and an inductor L6 which are connected in series.
8. The electrical box with higher harmonic filtering apparatus of claim 1, further comprising: the distribution box further comprises a smoke alarm and a temperature and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261268.2U CN214673749U (en) | 2021-06-07 | 2021-06-07 | Block terminal with higher harmonic filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121261268.2U CN214673749U (en) | 2021-06-07 | 2021-06-07 | Block terminal with higher harmonic filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214673749U true CN214673749U (en) | 2021-11-09 |
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ID=78486494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121261268.2U Active CN214673749U (en) | 2021-06-07 | 2021-06-07 | Block terminal with higher harmonic filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214673749U (en) |
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2021
- 2021-06-07 CN CN202121261268.2U patent/CN214673749U/en active Active
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