CN213181868U

CN213181868U - Series resonance withstand voltage test device

Info

Publication number: CN213181868U
Application number: CN202022058494.2U
Authority: CN
Inventors: 张传杰
Original assignee: Wuhan Nari Guodian Industrial Co ltd
Current assignee: Wuhan Nari Guodian Industrial Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-11
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a series resonance withstand voltage test device, which comprises a box body, a support rod, a T-shaped rod and a sealing plate; four angles of bottom half rotate through the sliding seat and install the bracing piece, bracing piece bottom side is close to sliding seat position department fixed mounting and has the universal wheel, bracing piece surface is close to the position department fixed mounting of one end and has first clamping screw, the bracing piece top is close to the position department fixed mounting of sliding seat and has the second clamping screw, the bottom position department of sliding seat one side is equipped with the fixed bolt cover of second. The utility model discloses be equipped with L type pole, T type pole and universal wheel, after experimental, personnel adjust the bracing piece to the horizontality, then twist first fixing screw into the inside of first fixing bolt cover and make the bracing piece fixed, universal wheel contact ground this moment, then personnel take T type pole out from L type pole is inside, personnel hand power T type pole can mobile device, the transfer and the carrying of the device of being convenient for.

Description

Series resonance withstand voltage test device

Technical Field

The utility model relates to a series resonance technical field specifically is a series resonance withstand voltage test device.

Background

The series resonance withstand voltage test device requires power frequency voltage for the generator alternating current withstand voltage test, the frequency of the power frequency voltage in the current national standard is defined as 45 Hz-65 Hz, but in many test occasions, the series resonance withstand voltage test device requires 50Hz +/-2 Hz alternating current test for the generator, the ground capacitance of a generator stator winding is larger, most of domestic test units adopt a resonance transformer to test the generator, but the resonance transformer is heavy and ton frequently, the field test is inconvenient, and a novel series resonance withstand voltage test device can be used for the current situation.

The existing series resonance withstand voltage test device has the following defects:

1. the control panel of the existing series resonance withstand voltage test device is arranged on the surface of a variable frequency power supply, and the height of the control panel cannot be adjusted, so that the operation of personnel is not facilitated;

2. the existing series resonance voltage withstand test device is heavy, is extremely difficult to move after being tested, is inconvenient to carry, and provides a series resonance voltage withstand test device for solving the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a withstand voltage test device of series resonance to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a series resonance withstand voltage test device comprises a box body, a support rod, a T-shaped rod and a sealing plate; four corners of the bottom of the box body are rotatably provided with supporting rods through movable seats, universal wheels are fixedly arranged at positions, close to the movable seats, of the bottom sides of the supporting rods, first fixing screw rods are fixedly arranged at positions, close to one ends, of the surfaces of the supporting rods, second fixing screw rods are fixedly arranged at positions, close to the movable seats, of the tops of the supporting rods, second fixing screw sleeves are arranged at positions, on one sides of the movable seats, of the bottoms of the four corners of the bottom of the box body, first fixing screw sleeves are arranged at positions, corresponding to the first fixing screw rods, of the four corners of the bottom of the box body, a variable frequency power supply, an excitation transformer, a voltage divider and a reactor are fixedly arranged in the box body, the variable frequency power supply, the excitation transformer, the voltage divider and the reactor are electrically connected in sequence through wires, a sealing plate is fixedly arranged on, the top of box is equipped with control panel, control panel passes through wire electric connection with variable frequency power supply, exciting transformer, voltage divider and reactor, the rear side at box top has the case lid through hinge fixed mounting.

Preferably, one end of the supporting rod is fixedly connected with a supporting rod, and a base is fixedly arranged at one end of the supporting rod.

Preferably, there is the inner chamber bottom department of T type pole, and there is the baffle inside of inner chamber through spring fixed mounting, and one side fixed mounting of baffle has the stopper, and the stopper extends to the outside of T type pole, the top position department of L type pole one side is equipped with the socket.

Preferably, a week at control panel top is equipped with the recess, the rear side at control panel top is equipped with the electric property port of four equidistance groups, control panel top front side is equipped with the display screen, the position department that control panel top front side is close to the display screen is equipped with two sets of adjust knob and three use buttons of group.

Preferably, a handle is fixedly arranged at the center of the front face of the sealing plate, and an anti-slip sleeve is sleeved at the holding position of the handle.

Preferably, an adhesive tape is arranged on the periphery of the inner side face of the box cover, and a lock catch is arranged on one side of the outer portion of the box cover.

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

1. the utility model discloses be equipped with the bracing piece, before the device uses, personnel can adjust the bracing piece to vertical state, then twist the inside fixed stay bar of second fixing bolt cover with second clamping screw, according to personnel's height, personnel move the operating panel lifting of branch with the device to suitable height, make things convenient for personnel's operation through twisting.

2. The utility model discloses be equipped with L type pole, T type pole and universal wheel, after experimental, personnel adjust the bracing piece to the horizontality, then twist first fixing screw into the inside of first fixing bolt cover and make the bracing piece fixed, universal wheel contact ground this moment, then personnel take T type pole out from L type pole is inside, personnel hand power T type pole can mobile device, the transfer and the carrying of the device of being convenient for.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an external view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a box body; 2. a variable frequency power supply; 3. an excitation transformer; 4. a voltage divider; 5. a reactor; 6. a movable seat; 7. a first fixed bolt sleeve; 8. a support bar; 801. a strut; 802. a base; 9. a universal wheel; 10. a first fixing screw; 11. a second fixing screw; 12. a second fixing bolt sleeve; 13. an L-shaped rod; 1301. a socket; 14. a T-shaped rod; 1401. a limiting block; 1402. a baffle plate; 1403. a spring; 1404. an inner cavity; 15. a control panel; 1501. a groove; 1502. an electrical port; 1503. adjusting a knob; 1504. using the button; 1505. a display screen; 16. a sealing plate; 1601. a handle; 1602. an anti-slip sleeve; 17. a box cover; 1701. an adhesive tape; 1702. and (5) locking.

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, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a series resonance withstand voltage test device comprises a box body 1, a support rod 8, a T-shaped rod 14 and a sealing plate 16; four corners at the bottom of the box body 1 are rotatably provided with supporting rods 8 through movable seats 6, the supporting rods 8 can rotate around the movable seats 6, the supporting rods 8 can be used for supporting a device in a vertical state and adjusting the height of the device at the same time, so that the operation of personnel is convenient, the universal wheels 9 can be contacted with the ground in a horizontal state of the supporting rods 8, the universal wheels 9 are welded at the positions, close to the movable seats 6, of the bottom sides of the supporting rods 8, the universal wheels 9 are convenient to transfer and carry, first fixing screw rods 10 are fixedly arranged at the positions, close to one ends, of the surfaces of the supporting rods 8 through thread structures, when the supporting rods 8 are in a horizontal state, the first fixing screw rods 10 are screwed into the first fixing bolt sleeves 7, the supporting rods 8 are fixed, second fixing screw rods 11 are fixedly arranged at the positions, close to the movable seats 6, of the tops of the, a fixed supporting rod 8, a second fixed bolt sleeve 12 is arranged at the bottom position of one side of a movable seat 6, a first fixed bolt sleeve 7 is arranged at the position of four corners at the bottom of a box body 1 corresponding to first fixed screw rods 10, the second fixed bolt sleeve 12 is convenient for screwing in a second fixed screw rod 11, the first fixed bolt sleeve 7 is convenient for screwing in the first fixed screw rod 10, a variable frequency power supply 2, an exciting transformer 3, a voltage divider 4 and a reactor 5 are fixedly arranged in the box body 1 through bolts, the variable frequency power supply 2, the exciting transformer 3, the voltage divider 4 and the reactor 5 are electrically connected in sequence through conducting wires, the variable frequency power supply 2 can change 220V/380V and 50HZ power supplies into frequency adjustable power supplies, the exciting transformer 3 boosts the voltage output by the variable frequency power supply 2 and isolates high voltage and low voltage, the voltage divider 4 measures the high voltage value and the low voltage on a regulator, and the reactor 5 generates series, the front of box 1 has closing plate 16 through bolt fixed mounting, it can take off closing plate 16 to unscrew the bolt, examine and maintain the inside instrument of device and wiring, the bottom welding of box 1 one side has L type pole 13, the top fixed mounting of L type pole 13 has T type pole 14, personnel's hand power T type pole 14 can the mobile device, be convenient for the transfer and the carrying of device, the top of box 1 is equipped with control panel 15, control panel 15 and variable frequency power supply 2, exciting transformer 3, voltage divider 4 and reactor 5 pass through wire electric connection, control panel 15 is convenient for control experimental, hinge fixed mounting has case lid 17 through the rear side at box 1 top, case lid 17 plays the guard action to control panel 15.

Further, the one end of bracing piece 8 is through thread structure fixedly connected with branch 801, and the welding of the one end of branch 801 has base 802, and when 8 vertical state of bracing piece, personnel make things convenient for personnel's operation through twisting branch 801 and lifting the control panel 15 of device to suitable height, and ground is hugged closely to base 802, is convenient for fixed to the support of device.

Further, there is inner chamber 1404 bottom department of T type pole 14, there is baffle 1402 in the inside of inner chamber 1404 through the welding of spring 1403, there is stopper 1401 in one side welding of baffle 1402, stopper 1401 extends to the outside of T type pole 14, the top position department of L type pole 13 one side is equipped with socket 1301, after experimental the end, take T type pole 14 out from L type pole 13 is inside, stopper 1401 blocks into socket 1301, fixed T type pole 14, after the removal, press stopper 1401 and drive baffle 1402 extrusion spring 1403, inside stopper 1401 gets into T type pole 14, can insert L type pole 13 with T type pole 14 inside.

Further, a groove 1501 is formed in the periphery of the top of the control panel 15, four groups of equidistant electric ports 1502 are formed in the rear side of the top of the control panel 15, a display screen 1505 is arranged on the front side of the top of the control panel 15, two groups of adjusting knobs 1503 and three groups of using buttons 1504 are arranged at the position, close to the display screen 1505, of the front side of the top of the control panel 15, the groove 1501 facilitates embedding of the rubber strip 1701, and the electric ports 1502, the display screen 1505, the adjusting knobs 1503 and the using buttons 1504 facilitate operation of tests.

Further, the handle 1601 is welded to the central point department on the front of the sealing plate 16, and the handheld department cover of handle 1601 has anti-skidding cover 1602, and the bolt is unscrewed to the personnel, and handheld handle 1601 can take off the sealing plate 16, is convenient for inspect and maintain the inside instrument of device and wiring, and anti-skidding cover 1602 has increased the frictional force of personnel's hand, when preventing that the personnel from holding handle 1601, handle 1601 slides.

Furthermore, an adhesive tape 1701 is arranged on the periphery of the inner side face of the box cover 17, a lock catch 1702 is arranged on one side of the outer portion of the box cover 17, when the box cover 17 is closed, the adhesive tape 1701 is embedded into the groove 1501, sealing of the box cover 17 on the control panel 15 is guaranteed, and the lock catch 1702 is convenient for fixing the box cover 17.

The working principle is as follows: when in use, a person pulls the T-shaped rod 14 to pull the device, after the device is moved to a proper position, the box cover 17 is opened, then the person rotates the support rod 8 to a vertical state, the second fixing screw rod 11 is screwed into the inside of the second fixing bolt sleeve 12, the support rod 8 is fixed, the control panel 15 of the device is lifted to a proper height by screwing the support rod 801 according to the height of the person, the operation of the person is convenient, in the test, the electric port 1502 is connected with input voltage, the ground and a test product, the two groups of adjusting knobs 1503 can change the voltage value and the frequency of the input voltage, the three groups of using buttons 1504 can start the test, maintain the test and end the test, after the test, the person stops the test by using the buttons 1504, closes the box cover 17, fastens the lock catch 1702, then the support rod 8 is rotated to a horizontal state, the first fixing screw rod 10 is screwed into, the supporting rod 8 is fixed, the universal wheel 9 contacts the ground at the moment, then a person pulls out the T-shaped rod 14 from the interior of the L-shaped rod 13, the limiting block 1401 is clamped into the socket 1301, the T-shaped rod 14 is fixed, and the person pulls the T-shaped rod 14 by hand to move the device.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. A series resonance withstand voltage test device comprises a box body (1), a support rod (8), a T-shaped rod (14) and a sealing plate (16); the method is characterized in that: four angles of box (1) bottom rotate through sliding seat (6) and install bracing piece (8), bracing piece (8) bottom side is close to sliding seat (6) position department fixed mounting and has universal wheel (9), bracing piece (8) surface is close to the position department fixed mounting of one end and has first set screw (10), bracing piece (8) top is close to the position department fixed mounting of sliding seat (6) and has second set screw (11), the bottom position department of sliding seat (6) one side is equipped with second set screw cover (12), box (1) bottom four angles are equipped with first set screw cover (7) with the position department that first set screw (10) correspond, the inside fixed mounting of box (1) has variable frequency power supply (2), excitation transformer (3), divider (4) and reactor (5), variable frequency power supply (2), Excitation transformer (3), voltage divider (4) and reactor (5) are through wire electric connection in proper order, the positive fixed mounting of box (1) has closing plate (16), the bottom fixed mounting of box (1) one side has L type pole (13), the top fixed mounting of L type pole (13) has T type pole (14), the top of box (1) is equipped with control panel (15), control panel (15) and variable frequency power supply (2), excitation transformer (3), voltage divider (4) and reactor (5) are through wire electric connection, the rear side at box (1) top has case lid (17) through hinge fixed mounting.

2. The series resonance withstand voltage test device according to claim 1, characterized in that: one end of the supporting rod (8) is fixedly connected with a supporting rod (801), and one end of the supporting rod (801) is fixedly provided with a base (802).

3. The series resonance withstand voltage test device according to claim 1, characterized in that: there is inner chamber (1404) bottom department of T type pole (14), and there are baffle (1402) inside of inner chamber (1404) through spring (1403) fixed mounting, and one side fixed mounting of baffle (1402) has stopper (1401), and stopper (1401) extend to the outside of T type pole (14), the top position department of L type pole (13) one side is equipped with socket (1301).

4. The series resonance withstand voltage test device according to claim 1, characterized in that: a groove (1501) is formed in the periphery of the top of the control panel (15), four groups of equidistant electric ports (1502) are formed in the rear side of the top of the control panel (15), a display screen (1505) is arranged on the front side of the top of the control panel (15), and two groups of adjusting knobs (1503) and three groups of use buttons (1504) are arranged at the position, close to the display screen (1505), of the front side of the top of the control panel (15).

5. The series resonance withstand voltage test device according to claim 1, characterized in that: the positive central point department fixed mounting of closing plate (16) has handle (1601), and the handheld department cover of handle (1601) has anti-skidding cover (1602).

6. The series resonance withstand voltage test device according to claim 1, characterized in that: an adhesive tape (1701) is arranged on the periphery of the inner side face of the box cover (17), and a lock catch (1702) is arranged on one side of the outer portion of the box cover (17).