CN212626678U - Three-phase contactless compensation type voltage stabilizer - Google Patents

Abstract

The utility model discloses a three-phase contactless compensation type voltage stabilizer, which comprises a cabinet body and a circuit control panel arranged in the cabinet body, wherein the top of the cabinet body is provided with an upper heat dissipation shell, and two ends of the top of the cabinet body are symmetrically welded with hanging rings, and the cabinet body comprises a front shell piece, a side shell piece and a rear shell piece which are welded with each other; the top of preceding shell piece is equipped with the demonstration touch-control screen, show that touch-control screen and the internal circuit control board electricity of cabinet are connected, back shell piece surface is provided with fan louvre, fan wiring mouth and junction box, the junction box is three-phase voltage junction box, and this stabiliser three-phase voltage is sampled separately, adjusts separately, guarantees that three-phase voltage all is in the precision range, can set for various indexes through operating panel touch key, can protect in 1 second when overvoltage, undervoltage appear to have perfect phase failure, overload, short-circuit protection and trouble back acousto-optic warning function, voltage, electric current are by the LED digital display in the display screen respectively.

Description

Three-phase contactless compensation type voltage stabilizer

Technical Field

The utility model relates to a technical field is made to transformer, stabiliser, concretely relates to contactless compensation formula stabiliser of three-phase.

Background

The voltage stabilizer is a power supply circuit or power supply equipment capable of automatically regulating output voltage, and is characterized by that the power supply voltage whose fluctuation is large and can not meet the requirements of electric equipment can be stabilized in its set value range, so that various circuits or electric equipment can be normally operated under the rated working voltage, and the first power voltage stabilizer is stabilized by means of the jump of relay, and when the power network voltage is fluctuated, the automatic correction circuit of power voltage stabilizer is started, and the internal relay can be actuated, and the output voltage can be forced to be retained near the set value, so that said circuit is simple in circuit, but its voltage-stabilizing accuracy is not high, and every time the relay is jumped and shifted, it can make the power supply source produce instantaneous interruption and produce spark interference, and produce various abnormal conditions of instantaneous sharp pulse, high-frequency harmonic interference and mutual EMI electromagnetic conduction interference between equipments, etc. and its ordinary voltage stabilizer can not meet the requirements, the voltage stabilizer has the advantages of being large in noise, high in iron core temperature and high in requirement on the working frequency of an input power supply, particularly when the voltage stabilizer is suitable for various voltages, only being capable of adjusting the stability of one input voltage, efficiently stabilizing the voltage, avoiding adverse effects caused by phase loss, overload and short circuit, playing a role in protecting a circuit more comprehensively, and solving the problem urgently needed.

Disclosure of Invention

For solving the deficiencies existing in the prior art, the utility model provides a three-phase contactless compensation type voltage stabilizer.

The technical scheme of the utility model is that: the utility model provides a three-phase contactless compensation type voltage stabilizer, which comprises a cabinet body and a circuit control panel arranged in the cabinet body, wherein the top of the cabinet body is provided with an upper heat dissipation shell, and two ends of the top of the cabinet body are symmetrically welded with hanging rings, and the cabinet body comprises a front shell piece, a side shell piece and a rear shell piece which are welded with each other; a display touch screen is arranged above the front shell piece and is electrically connected with a circuit control board in the cabinet body, a front radiating shell piece provided with a plurality of transverse strip-shaped radiating holes is arranged below the display touch screen, and the radiating holes are symmetrically distributed on the surface of the side shell piece; the surface of the rear shell piece is provided with a fan radiating hole, a fan wiring port and a wiring box, and the wiring box is a three-phase voltage wiring box.

Further, the circuit control board is electrically connected with the circuit breaker and the switch of the alternating current contactor.

Further, the circuit breaker is connected with the transformer, the controllable silicon and the alternating current contactor in series.

Furthermore, an input wiring port and an output wiring port are arranged in the wiring box.

Furthermore, input wiring mouth and output wiring mouth all are provided with 3.

Further, a cabinet body mounting frame is arranged inside the cabinet body.

The utility model discloses the beneficial effect who reaches does: the voltage stabilizer has the advantages that three-phase voltages are sampled and adjusted respectively, the three-phase voltages are guaranteed to be within the precision range, various indexes can be set through an operation panel touch key, non-contact zero-crossing switch switching, isolation transformer superposition voltage regulation and isolation transformer compensation can be realized, protection can be realized within 1 second (1-90 seconds can be realized) when overvoltage and undervoltage occur, the voltage stabilizer has perfect functions of phase loss, overload, short-circuit protection and sound and light alarm after failure, and the voltage and the current are displayed by LED numbers in a display screen respectively.

Drawings

Fig. 1 is a front view of the regulator of the present invention.

Fig. 2 is a schematic side view of the voltage stabilizer of the present invention.

Fig. 3 is a rear view of the voltage regulator of the present invention.

Fig. 4 is a schematic structural view of the cabinet mounting frame of the present invention.

Fig. 5 is a circuit control schematic diagram of the voltage regulator of the present novel application.

In the figure: 1. the cabinet comprises a cabinet body, 11, a front shell piece, 111, an upper heat dissipation shell, 112, a front heat dissipation shell piece, 113, a display touch screen, 114, a cabinet lock, 115, a hanging ring, 12, a side shell piece, 13, a rear shell piece, 131, a first fan heat dissipation hole, 132, a second fan heat dissipation hole, 133, a fan wiring port, 134, a wiring box, 14, a cabinet body mounting frame, 141 and a wire outlet;

SIA, a circuit breaker, KIA, an alternating current contactor, TR1-3, a transformer, SCR1-8 and a silicon controlled rectifier.

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.

As shown in fig. 1, the utility model provides a three-phase contactless compensation formula stabiliser, it includes cabinet body 1 and installs the circuit control panel in cabinet body 1, the top of cabinet body 1 is provided with upper heat dissipation shell 111, and the top both ends symmetrical welding of cabinet body 1 has rings 115, install the buzzer siren in the upper heat dissipation shell 111, cabinet body 1 includes mutual welded front shell piece 11, side shell piece 12 and back shell piece 13, still be equipped with cabinet body mounting bracket 14 in the cabinet body 1 for install front shell piece 11, side shell piece 12 and back shell piece 13, and be equipped with layer-stepping transformer rack in the cabinet body mounting bracket 14, be equipped with outlet 141 behind cabinet body mounting bracket 14 bottom, three groups of transformers can be installed to the rack; the top of preceding shell piece 11 is equipped with and shows touch-control screen 113, it is LED digital display screen to show touch-control screen 113, the display window that shows touch-control screen 113 includes voltage display window, current display window and trouble and abnormal display, including excessive pressure demonstration, undervoltage display, overload display and trouble display in trouble and the abnormal display window to show the button that is equipped with the touch-control screen formula in the touch-control screen 113: phase voltage keys (such as 220), line voltage keys (such as 380), a set key (the keys can set various parameters of the voltage stabilizer and needs password setting), a voltage regulation mode (split regulation), and record checking (the keys check fault records of the voltage stabilizer and display the latest record).

The display touch screen 113 is electrically connected with a circuit control board in the cabinet body 1, a single chip microcomputer is installed in the circuit control board in an inserting mode, the single chip microcomputer performs digital processing operation, an electronic module performs rapid compensation, a front radiating shell piece 112 provided with a plurality of transverse strip-shaped radiating holes is arranged below the display screen 113, and the radiating holes are symmetrically distributed on the surface of the side shell piece 12; the surface of the rear shell piece 13 is provided with a fan heat dissipation hole, a fan wiring port 133 and a wiring box 134, the fan heat dissipation hole comprises a first fan heat dissipation hole 131 and a second fan heat dissipation hole 132, the first fan heat dissipation hole 131 and the second fan heat dissipation hole 132 are respectively connected with a power supply through the wiring port 133, the fan is arranged for dissipating heat in the voltage stabilizer, the wiring box 134 is a three-phase voltage wiring box, an input wiring port and an output wiring port are arranged in the wiring box, the input wiring port and the output wiring port are respectively provided with 3, phase A, phase B and phase C, when the output voltage of any phase of A, B, C is higher than 243V (set value), overvoltage display is carried out, undervoltage display is carried out when the output voltage is lower than 198V, an information acquisition module in a circuit control board is 128-bit high-speed AD acquisition, 64 points are acquired by each cycle wave, and the electronic module is rapidly compensated through, the machine can automatically cut off output after 5 seconds, the buzzer alarms, the machine can automatically reset and output after the output voltage of the voltage stabilizer is normal (self-starting), when A, B, C and any phase output load current is higher than 20% of a set value, the overload display is realized, the machine can automatically cut off output after 5 seconds, the buzzer alarms, and when A, B, C any phase circuit fuse cut-off machine can be continuously switched into a 'commercial power' state, the fault display is realized.

The circuit control board is connected with the switch electricity of circuit breaker SIA and ac contactor KIA, circuit breaker SIA and transformer TR1-3, silicon controlled rectifier SCR1-8 and ac contactor KIA series connection KIA, as figure 3, figure 3 is the stable circuit control chart of one-phase voltage only, when circuit breaker SIA's switch is closed, the voltage of joining in marriage by the input wiring mouth and adjust the pressure through transformer TR1-3, silicon controlled rectifier SCR1-8 carries out the comparison, judges the compensation to the electric current of input, can realize the contactless control of alternating current in the circuit, again through ac contactor KIA output, guaranteed the stability of stabiliser voltage and electric current.

The working principle is as follows: an input wiring port A, B, C in the junction box is connected with a power line to control three-phase voltage and current, wherein when the switch of the circuit breaker SIA is closed, the voltage accessed by the input wiring port is regulated through a transformer TR1-3, and the silicon controlled rectifier SCR1-8 compares, judges and compensates the input current, so that the non-contact control of alternating current in the circuit can be realized, and then the alternating current is output through an alternating current contactor KIA, so that the voltage is stabilized at 323V-427V, and the current is stabilized at +/-15% of the set value.

In addition, in the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "etc., indicate orientations or positional relationships, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the present invention.

The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (6)

1. The utility model provides a contactless compensation formula stabiliser of three-phase, it includes the cabinet body and installs at the internal circuit control panel of cabinet, the top of the cabinet body is provided with the heat dissipation shell to the top both ends symmetrical of the cabinet body welds there is rings, its characterized in that: the cabinet body comprises a front shell piece, a side shell piece and a rear shell piece which are welded with each other; a display touch screen is arranged above the front shell piece and is electrically connected with a circuit control board in the cabinet body, a front radiating shell piece provided with a plurality of transverse strip-shaped radiating holes is arranged below the display touch screen, and the radiating holes are symmetrically distributed on the surface of the side shell piece; the surface of the rear shell piece is provided with a fan radiating hole, a fan wiring port and a wiring box, and the wiring box is a three-phase voltage wiring box.

2. A three-phase contactless compensating voltage regulator according to claim 1, characterized in that: and the circuit control board is electrically connected with the circuit breaker and the switch of the alternating current contactor.

3. A three-phase contactless compensating voltage regulator according to claim 2, characterized in that: the circuit breaker is connected with the transformer, the controllable silicon and the alternating current contactor in series.

4. A three-phase contactless compensating voltage regulator according to claim 1, characterized in that: and an input wiring port and an output wiring port are arranged in the wiring box.

5. The three-phase contactless compensation voltage regulator according to claim 4, characterized in that: the input wiring port and the output wiring port are provided with 3.

6. A three-phase contactless compensating voltage regulator according to claim 1, characterized in that: a cabinet body mounting frame is arranged inside the cabinet body.

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