CN214703684U - Automatic countdown device for withstand voltage test of power equipment - Google Patents

Abstract

The utility model discloses an automatic countdown device for withstand voltage test of electrical equipment, which comprises an outer shell and a wiring board; the leading flank of shell body is equipped with controls the panel, turn right from a left side and install the voltmeter in proper order in the leading flank upper end of controlling the panel, manual time-recorder, the automatic timer, controller and relay, turn right from a left side and install the ampere meter in proper order in the leading flank middle part of controlling the panel, the handle steps up, change over switch and switch, this automatic countdown device of power equipment withstand voltage test, adopt a power equipment withstand voltage test automatic countdown device, beat the gear that corresponds with rotatory handle according to the withstand voltage grade demand of equipment under test by the experimenter, it judges according to the pressure value that the controller corresponds to rise to withstand voltage grade, automatic start withstand voltage countdown device, avoid because withstand voltage test overvoltage is to the pressure destruction of equipment under test.

Description

Automatic countdown device for withstand voltage test of power equipment

Technical Field

The utility model relates to a withstand voltage timing device technical field specifically is an automatic count-down device of power equipment withstand voltage test.

Background

Along with the continuous increase of power equipment quantity, high-voltage test receives more and more attention as the essential means of guaranteeing that power equipment normally operates steadily, through the preventive test of electrical equipment, can discover the insulating defect that electrical equipment exists as early as possible, eliminates the defect at the bud stage, and this has important effect to guaranteeing electrical equipment safe operation.

One of the main methods for testing overvoltage bearing capability of electrical equipment, electrical circuits, safety tools and the like during a voltage withstand test. The power frequency withstand voltage test is several times of the operation voltage of the tested equipment, belongs to destructive tests, and causes the tested equipment to be destroyed frequently due to overlarge test pressure. Different electrical equipment have different withstand voltage grades under the environment of difference, and the withstand voltage machine of daily use opens timing device for reaching experimental withstand voltage grade, and the withstand voltage of back alarm that finishes of timing passes through, does not have an automatic timing device at present temporarily, the withstand voltage test automatic timing of the electrical equipment of being convenient for, and current electrical equipment withstand voltage test automatic countdown device meets the unable effective protective equipment of emergency when using.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to overcome current defect, provide an automatic countdown device of power equipment withstand voltage test, utilize rotatory handle, when withstand voltage level reaches rotatory handle level, the controller is automatic to check grade pressure, when reaching grade pressure, the automatic start countdown device, the timing finishes the back alarm withstand voltage and passes through, effectively solves because of the too big destruction that causes the equipment under test of pressure, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic countdown device for a withstand voltage test of electrical equipment comprises an outer shell and a wiring board; the utility model discloses a pressure testing device, including shell body, the leading flank of shell body is equipped with controls the panel, the voltmeter turns right from a left side and installs in proper order in the leading flank upper end of controlling the panel, manual time-recorder, the automatic timer, controller and relay, turn right from a left side and install the ampere meter in proper order in the leading flank middle part of controlling the panel, the handle steps up, change over switch and switch, turn right from a left side and install input power display list in proper order in the leading flank lower extreme of controlling the panel, time switch, withstand voltage is through the pilot lamp, start button and instruction button, stop button and instruction and protection switch on and off, the controller automated inspection pressure value that steps up, reach experimental pressure, the controller starts the countdown device, avoid the pressure destruction of overvoltage to the equipment of being tested, the input of controller is connected with the output electricity of external power supply, the controller respectively with voltmeter, the automatic timer, the ampere meter, the step up handle, input power display list, The timing switch and the withstand voltage are electrically connected through an indicator lamp, a relay, a power switch, a change-over switch, a protection on-off switch, a stop button, an indication button, a start button and an indication key.

Furthermore, the shell body is rotatably connected with a rear cover plate through a hinge arranged at the lower end of the outer side face of the shell body, and the upper end of the outer side face of the rear cover plate is fixedly connected with the shell body through a lock catch.

Furthermore, the wiring board is arranged at the rear end of the inner side face of the outer shell, the wiring board is connected with the inner side face of the outer shell in a sliding mode, and a wiring terminal is arranged on the rear end face of the wiring board.

Furthermore, the inside of shell body is equipped with plug-in connection terminal, and plug-in connection terminal's removal end and wiring board fixed connection, plug-in connection terminal's stiff end links to each other with the medial surface of shell body.

Furthermore, the inside of shell body is equipped with electric telescopic handle, electric telescopic handle's flexible end and the lateral surface fixed connection of wiring board, and electric telescopic handle's input is connected with the output electricity of controller.

Compared with the prior art, the beneficial effects of the utility model are that: this automatic count-down device of power equipment withstand voltage test adopts a power equipment withstand voltage test automatic count-down device, is beaten the rotation handle to corresponding gear by the experimenter according to the withstand voltage grade demand of being tried equipment, rises to withstand voltage grade and judges according to the pressure value that the controller corresponds, and the automatic start withstand voltage count-down device avoids because withstand voltage test overvoltage is to the pressure destruction of being tried equipment.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top sectional view of the present invention;

fig. 3 is a rear view of the present invention.

In the figure: the automatic power supply voltage-boosting device comprises a voltmeter 1, a manual timer 2, an automatic timer 3, an ammeter 4, a voltage-boosting handle 5, an input power display meter 6, a timing switch 7, a voltage-withstanding pass-through indicator lamp 8, a relay 9, a controller 10, a power switch 11, a change-over switch 12, a protection on-off switch 13, a stop button 14, an indication button 15, a start button and an indication key 15, a lock catch 16, a rear cover plate 17, an outer shell 18, an operation panel 19, a connecting terminal 20, a connecting terminal 21, a plug-in type connecting terminal 22 and an electric telescopic rod 23.

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.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in fig. 2, only for convenience of description and simplification of description, but not for indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

Referring to fig. 1-3, the present invention provides a technical solution: an automatic countdown device for withstand voltage test of electrical equipment comprises an outer shell 18 and a wiring board 21; the front side of the outer shell 18 is provided with an operation panel 19, the upper end of the front side of the operation panel 19 is sequentially provided with a voltmeter 1, a manual timer 2, an automatic timer 3, a controller 10 and a relay 9 from left to right, the middle part of the front side of the operation panel 19 is sequentially provided with an ammeter 4, a boosting handle 5, a change-over switch 12 and a power switch 11 from left to right, the lower end of the front side of the operation panel 19 is sequentially provided with an input power display 6, a timing switch 7, a withstand voltage passing indicator lamp 8, a starting button and an indication key 15, a stopping button and indication 14 and a protection on-off switch 13 from left to right, the controller 10 automatically detects a boosting pressure value to reach a test pressure, the controller 10 starts a countdown device to avoid the pressure damage of overvoltage to the tested equipment, the input end of the controller 10 is electrically connected with the output end of an external power supply, the controller 10 is respectively connected with the voltmeter 1, the manual timer 2, the automatic timer 7 and the protection on-off switch 13, The automatic timer 3, the ammeter 4, the boost handle 5, the input power display 6, the timing switch 7, the withstand voltage indicator lamp 8, the relay 9, the power switch 11, the change-over switch 12, the protection on/off switch 13, the stop button and the indication 14 are electrically connected with the start button and the indication key 15, the outer shell 18 is rotatably connected with a rear cover plate 17 through a hinge arranged at the lower end of the outer side surface of the outer shell, the upper end of the outer side surface of the rear cover plate 17 is fixedly connected with the outer shell 18 through a lock catch 16, a wiring board 21 is arranged at the rear end of the inner side surface of the outer shell 18, the wiring board 21 is in sliding connection with the inner side surface of the outer shell 18, the rear end surface of the wiring board 21 is provided with a wiring terminal 20, the inner part of the outer shell 18 is provided with a plug-in type electric connection terminal 22, the moving end of the plug-in type electric connection terminal 22 is fixedly connected with the wiring board 21, the fixed end of the plug-in connection terminal 22 is connected with the inner side surface of the outer shell 18, electric telescopic handle 23 is equipped with in the inside of shell body 18, electric telescopic handle 23's flexible end and wiring board 21's lateral surface fixed connection, electric telescopic handle 23's input is connected with controller 10's output electricity, plug-in connect the removal end of electrical terminal 22 and binding post 20 electricity and be connected, plug-in connect electrical terminal 22's stiff end is connected with test instrument equipment electricity respectively, select according to the withstand voltage grade of different equipment under test by change over switch 12, boost to experimental pressure, controller 10 automatic judgement starts automatic timer 3, the time-out is over the back and withstand voltage and passes through the alarm, take precautions against because withstand voltage test overvoltage is to the pressure destruction of equipment under test.

When in use: the power switch 11 is started, the input power 6 displays the power voltage, the relay 9 carries out overcurrent protection, the start button and the indication key 15 are turned on, the boosting handle 5 is rotated, the change-over switch 12 is operated, the output voltage is observed through the voltmeter 1, after the test pressure is increased, the timing switch 7 is turned on, manual timing is started, after the timing is finished, the withstand voltage is alarmed through the indication lamp 8, the stop button and the indication 14 are turned off, the controller 10 detects the output voltage under the automatic state, when the pressure reaches the test pressure, the automatic timer 3 is started, the withstand voltage is alarmed through the indication lamp 8 after the timing is finished, the boosting handle 5 returns to zero, the stop button and the indication 14 are turned off, the power and the change-over switch 12 are disconnected, when an emergency occurs, the protection switch 13 is pressed, the controller 10 controls the electric telescopic rod 23 to extend to separate the moving end of the plug-in type power connection terminal 22 from the fixed end, the test instrument and equipment can be effectively protected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an automatic count-down device of withstand voltage test of power equipment which characterized in that: comprises an outer shell (18) and a wiring board (21); the front side surface of the outer shell (18) is provided with a control panel (19), the upper end of the front side surface of the control panel (19) is sequentially provided with a voltmeter (1), a manual timer (2), an automatic timer (3), a controller (10) and a relay (9) from left to right, the middle part of the front side surface of the control panel (19) is sequentially provided with an ammeter (4), a boosting handle (5), a change-over switch (12) and a power switch (11) from left to right, the lower end of the front side surface of the control panel (19) is sequentially provided with an input power display meter (6), a timing switch (7), a withstand voltage passing indicator lamp (8), a starting button and an indication key (15), a stopping button and an indication (14) and a protection on-off switch (13) from left to right, the controller (10) automatically detects a boosting pressure value to reach a test pressure, the controller (10) starts a countdown device, avoid the overvoltage to the pressure destruction of equipment under test, the input of controller (10) is connected with external power supply's output electricity, controller (10) respectively with voltmeter (1), automatic timer (3), ampere meter (4), step up handle (5), input power display table (6), time switch (7), withstand voltage is passed through pilot lamp (8), relay (9), switch (11), change over switch (12), protection on-off switch (13), stop button and instruction (14) and start button and instruction button (15) electricity and is connected.

2. The automatic countdown device for the withstand voltage test of the electric power equipment according to claim 1, wherein: the outer shell (18) is rotatably connected with a rear cover plate (17) through a hinge arranged at the lower end of the outer side surface of the outer shell, and the upper end of the outer side surface of the rear cover plate (17) is fixedly connected with the outer shell (18) through a lock catch (16).

3. The automatic countdown device for the withstand voltage test of the electric power equipment according to claim 1, wherein: the wiring board (21) is arranged at the rear end of the inner side face of the outer shell (18), the wiring board (21) is in sliding connection with the inner side face of the outer shell (18), and a wiring terminal (20) is arranged on the rear end face of the wiring board (21).

4. The automatic countdown device for the withstand voltage test of the electric power equipment according to claim 1, wherein: the plug-in type power connection terminal (22) is arranged inside the outer shell (18), the moving end of the plug-in type power connection terminal (22) is fixedly connected with the wiring board (21), and the fixed end of the plug-in type power connection terminal (22) is connected with the inner side face of the outer shell (18).

5. The automatic countdown device for the withstand voltage test of the electric power equipment according to claim 1, wherein: the electric telescopic handle is characterized in that an electric telescopic rod (23) is arranged inside the outer shell (18), the telescopic end of the electric telescopic handle (23) is fixedly connected with the outer side face of the wiring board (21), and the input end of the electric telescopic handle (23) is electrically connected with the output end of the controller (10).

Images