CN222561739U - Double-voltage specification generator set test load box - Google Patents

Abstract

The utility model discloses a dual-voltage specification generator set test load box, including a load box body, the front of the load box body is hinged with two reactor inspection doors through a pin shaft, the inner wall of the load box body is fixedly installed with a control cabinet, the inner wall of the load box body is fixedly installed with multiple groups of resistance modules, the inner wall of the load box body is fixedly installed with two groups of electrical parameter collectors, the inner wall of the load box body is fixedly installed with two groups of threshold switches, the inner top wall of the load box body is fixedly installed with two smoke alarms, the outer surface of the load box body is fixedly inlaid with multiple air outlet covers, and the interior of the load box body is fixedly installed with a heat dissipation fan. The dual-voltage specification generator set test load meets the test needs of two voltage specification generator sets within the design accuracy through the conversion of the star-delta wiring mode of the three-phase generator set and the fine-tuning of the power by software algorithm, and reduces the workload of wiring and test preparation.

Description

Double-voltage specification generator set test load box

Technical Field

The utility model relates to the field of generator set testing, in particular to a double-voltage-specification generator set testing load box.

Background

The basic structure of the generator is composed of a rotor and a stator, the rotor is positioned in a central cavity of the stator, magnetic poles capable of generating magnetic fields are arranged on the rotor, when a prime mover drives the rotor to rotate, mechanical energy is transmitted, the magnetic poles of the rotor rotate at a high speed along with the rotor, at the moment, the magnetic fields act relatively with a stator winding, the magnetic fields cut conductors of the stator winding, and induced potential is generated, so that the mechanical energy is converted into electric energy.

At present, a load box is required to be used for power absorption and power generator performance detection in factory testing, periodic maintenance and installation and debugging of a generator set, for a generator manufacturer, the types of the generator set are numerous, the voltage specifications to be tested relate to 400V, 690V, 6.3kV and 10.5kV, the existing generator set testing load is mostly single voltage specifications, when the generator manufacturer tests generator sets with different specifications, the generator manufacturer needs to use load boxes with different specifications or transformers to change the voltage, the two methods occupy large space, the number of transformer cables is large, and the cost is very high for a user.

Disclosure of utility model

The utility model aims to provide a test load box of a double-voltage-specification generator set, which aims to solve the problems in the background technology.

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

The utility model provides a dual-voltage specification generating set test load case, includes the load box, the front of load box articulates through the round pin axle has two reactor access doors, the inner wall fixed mounting of load box has the switch board, the inner wall fixed mounting of load box has multiunit resistance module, the inner wall fixed mounting of load box has two sets of electric parameter collectors, the inner wall fixed mounting of load box has two sets of threshold switches, the interior roof fixed mounting of load box has two smoke alarm, the fixed surface of load box is inlayed and is had a plurality of air outlet apron, the inside fixed mounting of load box has the air-cooling machine.

As a preferable technical scheme of the application, two air inlets are formed in the front face of the load box body, a wiring bin is fixedly inlaid on the outer surface of the load box body, and a control chamber is arranged in the load box body.

As a preferable technical scheme of the application, a plurality of resistance access doors are fixedly arranged on the front surface of the load box body, and a maintenance channel is arranged in the load box body.

As a preferable technical scheme of the application, the left side surface and the right side surface of the load box body are fixedly connected with ventilation fans, and the two ventilation fans are respectively positioned above the two heat dissipation fans.

As a preferable technical scheme of the application, the load box body is electrically connected with a three-phase generator set through a wire, the control cabinet is electrically connected with an upper computer through a wire, and the control cabinet is respectively electrically connected with the heat radiation fan, the electric parameter collector and the smoke alarm through wires.

Compared with the prior art, the utility model has the beneficial effects that:

the device shares one set of main loop control system and the resistor unit through two voltage specification loads, greatly saves cost, reduces the volume, ensures that the design capacity of the shared resistor unit is left with allowance, can meet rated power when being loaded and tested under double voltage specifications, automatically calculates and improves the precision of loading resistor after voltage switching by software, improves the testing accuracy, switches the voltage specifications by one key, reduces wiring work, facilitates quick testing, meets the testing requirements of the two voltage specification generator sets through the conversion of a star-delta wiring mode of the three-phase generator set and the fine adjustment of power by a software algorithm, and reduces the workload of wiring and testing preparation.

Drawings

Fig. 1 is a schematic perspective view of a front view of a test load box of a dual-voltage specification generator set.

FIG. 2 is a cross-sectional view of a front view of a dual voltage specification genset test load box.

Fig. 3 is a cross-sectional view of a bottom view of a dual voltage specification genset test load box.

Fig. 4 is a schematic perspective view of a rear view of a test load box of a dual voltage specification generator set.

FIG. 5 is a schematic diagram of a dual voltage specification genset test load box system.

In the figure, 1, a load box body; 2, a reactor access door, 3, a control cabinet, 4, a resistance module, 5, an electric parameter collector, 6, a threshold switch, 7, a smoke alarm, 8, a heat dissipation fan, 9, an air outlet cover plate, 10, a ventilation fan, 11, a resistance access door, 12, a maintenance channel, 13, an air inlet, 14, a wiring bin, 15, a control room, 16, a three-phase generator set and 17, and an upper computer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in the utility model, a dual-voltage specification generator set test load box comprises a load box body 1, wherein two reactor access doors 2 are hinged to the front surface of the load box body 1 through a pin shaft, a control cabinet 3 is fixedly arranged on the inner wall of the load box body 1, a plurality of groups of resistor modules 4 are fixedly arranged on the inner wall of the load box body 1, two groups of electric parameter collectors 5 are fixedly arranged on the inner wall of the load box body 1, two groups of threshold switches 6 are fixedly arranged on the inner wall of the load box body 1, two smoke alarms 7 are fixedly arranged on the inner top wall of the load box body 1, a plurality of air outlet cover plates 9 are fixedly inlaid on the outer surface of the load box body 1, a cooling fan 8 is fixedly arranged in the load box body 1, the resistor modules 4 are composed of a plurality of resistor modules 4 with different powers, the parameters of the input power after the load box body 1 is electrified, the threshold switches 6 corresponding to the main circuit are closed, the threshold switches are combined into required resistance values through the resistor modules 4, and the corresponding electric power is consumed after the power is electrified.

Two air inlets 13 have been seted up in the front of load box 1, and the external surface mounting of load box 1 has inlayed wiring storehouse 14, and the inside of load box 1 is provided with control room 15, and the front fixed mounting of load box 1 has a plurality of resistance access doors 11, and the inside of load box 1 is provided with maintenance passageway 12, through air inlet 13, guarantees the inside ventilation demand of load box 1, utilizes resistance access door 11 and maintenance passageway 12, is convenient for to the inside maintenance of load box 1.

The left and right sides face of the load box body 1 is fixedly connected with ventilation fans 10, two ventilation fans 10 are respectively located above two heat dissipation fans 8, the load box body 1 is electrically connected with a three-phase generator set 16 through wires, the control cabinet 3 is electrically connected with an upper computer 17 through wires, and the control cabinet 3 is electrically connected with the heat dissipation fans 8, the electric parameter collector 5 and the smoke alarm 7 through wires.

The working principle of the utility model is that the device is firstly connected with a power supply, then the common 10.5kV and 6.3kV of the three-phase generator set 16 are taken as an example, the voltage is about 6.06kV and is close to the target voltage of 6.3kV, certain errors still exist, the errors can be controlled within the design precision after the power is finely adjusted through the calculation of the upper computer 17 software, the three-phase generator set 16 meeting the two voltage specifications is tested, then the electric energy is converted into heat energy when the internal resistance module 4 of the load box 1 works, the heat is dissipated by the heat dissipation fan 8 to prevent the components from being overheated, and then the parameters such as the voltage, the current, the power, the frequency, the power factor and the like when the internal electric parameter collector 5 of the load box 1 works are sent to the control cabinet 3 and then sent to the upper computer 17 for processing.

While the utility model has been described with reference to the preferred embodiments, it will be apparent to those skilled in the art that the utility model is not limited to the details of the exemplary embodiments and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, as long as the scope of the utility model is defined by the claims and its spirit and scope. 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 (5)

1. The utility model provides a dual-voltage specification generator set test load box which is characterized in that the test load box comprises a load box body (1), two reactor access doors (2) are hinged to the front face of the load box body (1) through a pin shaft, a control cabinet (3) is fixedly arranged on the inner wall of the load box body (1), a plurality of groups of resistance modules (4) are fixedly arranged on the inner wall of the load box body (1), two groups of electric parameter collectors (5) are fixedly arranged on the inner wall of the load box body (1), two groups of threshold switches (6) are fixedly arranged on the inner top wall of the load box body (1), two smoke alarms (7) are fixedly arranged on the outer surface of the load box body (1), a plurality of air outlet cover plates (9) are fixedly inlaid, and a cooling fan (8) is fixedly arranged in the load box body (1).

2. The dual-voltage specification generator set test load box according to claim 1, wherein two air inlets (13) are formed in the front face of the load box body (1), a wiring bin (14) is fixedly inlaid on the outer surface of the load box body (1), and a control chamber (15) is arranged in the load box body (1).

3. The dual-voltage specification generator set test load box according to claim 1, wherein a plurality of resistance access doors (11) are fixedly arranged on the front surface of the load box body (1), and a maintenance channel (12) is arranged in the load box body (1).

4. The test load box for the double-voltage-specification generator set is characterized in that ventilation fans (10) are fixedly connected to the left side surface and the right side surface of the load box body (1), and the two ventilation fans (10) are located above the two heat dissipation fans (8).

5. The dual-voltage specification generator set test load box according to claim 1, wherein the load box body (1) is electrically connected with a three-phase generator set (16) through a wire, the control cabinet (3) is electrically connected with an upper computer (17) through a wire, and the control cabinet (3) is electrically connected with a heat radiation fan (8), an electric parameter collector (5) and a smoke alarm (7) through wires respectively.