CN213638449U

CN213638449U - Integrated current-voltage transformer field tester

Info

Publication number: CN213638449U
Application number: CN202022108214.4U
Authority: CN
Inventors: 张传杰
Original assignee: Wuhan Nari Guodian Industrial Co ltd
Current assignee: Wuhan Nari Guodian Industrial Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-07-06
Anticipated expiration: 2030-09-23

Abstract

The utility model relates to the technical field of testers, in particular to an integrated current-voltage transformer field tester, which comprises an equipment body, an equipment base, an upper cover plate and a clamping lock, wherein the surface of the equipment body is embedded and connected with the equipment base, the external dimension of the equipment base is matched with the external dimension of the equipment body, the rear end of the equipment base is fixedly connected with a rotating plate, the internal part of the rotating plate is rotatably connected with an equipment rotating shaft, the top end of the equipment rotating shaft is fixedly connected with the bottom end of the upper cover plate, the top end of the upper cover plate is fixedly connected with a connecting plate, the connecting plate and the central line of the upper cover plate are symmetrically arranged, the inner wall of the upper cover plate is fixedly connected with a fixed plate, a damping sponge arranged in the fixed plate and a damping PU foam arranged in the protective ball can be arranged under the condition that the, the equipment body can not be damaged by large impact force in the equipment base.

Description

Integrated current-voltage transformer field tester

Technical Field

The utility model relates to a tester technical field especially relates to an integral type current-voltage transformer field tester.

Background

The instrument transformer field tester is developed on the basis of analyzing a mathematical model of the instrument transformer in detail; by measuring various parameters: excitation impedance, winding resistance, turn ratio, leakage reactance, iron loss and the like, and analyzing and calculating various obtained parameters; the workload is small, and the efficiency is high; but the test results depend on the accuracy of the equivalent model and the accuracy of the measurement of each parameter. The indirect method is not as high in measurement accuracy and measurement result reliability as the direct method, and most of the traditional transformer verification methods adopt the direct method for testing, namely when the transformer is verified, the secondary load (replaced by a common load box) of the detected transformer is compared with a standard transformer with the same transformation ratio, a primary current (voltage) is provided for the transformer and the transformer by a current rising (boosting) device, a secondary differential current (differential pressure) signal of the transformer and the transformer is input into a calibrator, and the calibrator measures the error of the detected transformer relative to the standard transformer. The method needs large current (voltage) power supply equipment, a standard mutual inductor with the same transformation ratio and a load box to simulate the actual running state of the mutual inductor, and the test result is real and accurate.

In the existing integrated current-voltage transformer field tester, a general equipment base and an upper cover plate are made of hard plastic, so that the protection effect of the tester is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and provide an integral type current-voltage transformer field tester.

In order to achieve the above purpose, the utility model adopts the following technical scheme: including equipment body, equipment base, upper cover plate and kayser, the surperficial gomphosis of equipment body is connected with the equipment base, the overall dimension of equipment base and the overall dimension phase-match of equipment body, the rear end fixedly connected with of equipment base changes the board, the inside rotation jointing equipment pivot of board changes, the top of equipment pivot and the bottom fixed connection of upper cover plate, the top fixedly connected with connecting plate of upper cover plate, the connecting plate is the symmetry setting with the central line of upper cover plate, the inner wall fixedly connected with fixed plate of upper cover plate, the inside of fixed plate is provided with the shock attenuation sponge, the top fixedly connected with protection ball of fixed plate, protection ball is the PU bubble cotton, protection ball is the plum blossom shape and evenly sets up.

Preferably, the front end of the equipment base is rotatably connected with the rear end of the clamping lock, a lock cylinder is arranged in the position, close to the clamping lock, of the inside of the equipment base, a key is rotatably connected to one end, close to the clamping lock, of the equipment base, and the key is matched with the lock cylinder in the equipment base.

Preferably, the one end that the equipment base is close to the kayser rotates and is connected with the handle, the top electric connection of equipment body has the display screen, the top electric connection of equipment body has the signal lamp, and the signal lamp is a style of calligraphy and arranges the setting.

Preferably, a connecting hole is formed in the middle of the top end of the equipment body and is electrically connected with external equipment, and a detector is electrically connected to the top end of the equipment body.

Preferably, a power switch is arranged at the top end of the equipment body, a control key is electrically connected to the top end of the equipment body, and the control key is arranged below the connecting hole.

Preferably, the top fixedly connected with sealing strip of equipment base, the inside of sealing strip is provided with waterproofing membrane, bottom a week of upper cover plate is provided with the connecting strip, the connecting strip is connected with the sealing strip gomphosis, and connecting strip and sealing strip phase-match.

Preferably, the rear end of the equipment base is fixedly connected with a resisting plate, and one end, close to the resisting plate, of the upper cover plate is fixedly connected with a limiting block.

The utility model discloses possess following beneficial effect at least:

1. through setting up fixed plate and the protection ball that sets up in that the upper cover plate is inside among this novel, the inside shock attenuation sponge that sets up of fixed plate and the inside shock attenuation PU bubble that sets up of protection ball are cotton, can be under upper cover plate and the closed condition of equipment base, and the equipment body can not receive great impact force and damaged inside the equipment base.

2. This is novel in through setting up the inside lock core that sets up of equipment base, and the key matches with the lock core, when the kayser rotates and links up with the connecting plate, when the lower extreme of kayser paralleled with equipment base at this moment, the key passed the kayser and is connected with the lock core, rotates the key again and accomplishes the kayser with being connected and be connected, can not make equipment base and upper cover plate open and shut under the condition that does not have the key, because of detecting instrument is more valuable, has promoted the security of equipment so greatly.

3. This is novel in through setting up sealing strip on equipment base and the connecting strip that sets up in the upper cover plate bottom, because of equipment all need be at the witnessed inspections, the environment on scene has very big difference, the moist condition emergence can appear, at this moment set up can effectual protective apparatus not intake at the inside waterproofing membrane of sealing strip to reach the life of extension equipment.

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 the structure of the working state of the present invention;

FIG. 2 is a schematic side view of the working state of the present invention;

fig. 3 is a schematic structural diagram of the closed state of the present invention;

fig. 4 is a schematic side view of the closed state of the present invention.

In the figure: 1. an apparatus body; 2. a device rotating shaft; 3. a display screen; 4. connecting holes; 5. rotating the plate; 6. a detector; 7. a power switch; 8. a control key; 9. a grip; 10. a key; 11. locking; 12. a sealing strip; 13. a connecting plate; 14. a fixing plate; 15. a protective ball; 16. a signal lamp; 17. an equipment base; 18. an upper cover plate; 19. a connecting strip; 20. a limiting block; 21. and a support plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, an integrated current-voltage transformer field tester comprises an equipment body 1, an equipment base 17, upper cover plate 18 and kayser 11, the surperficial gomphosis of equipment body 1 is connected with equipment base 17, the overall dimension of equipment base 17 and the overall dimension phase-match of equipment body 1, equipment base 17's rear end fixedly connected with changes board 5, change the inside rotation jointing equipment pivot 2 of board 5, the top of equipment pivot 2 and upper cover plate 18's bottom fixed connection, upper cover plate 18's top fixedly connected with connecting plate 13, connecting plate 13 is the symmetry setting with upper cover plate 18's central line, upper cover plate 18's inner wall fixedly connected with fixed plate 14, fixed plate 14's inside is provided with the shock attenuation sponge, fixed plate 14's top fixedly connected with protection ball 15, protection ball 15 is the PU bubble cotton, protection ball 15 is the even setting of plum blossom shape.

Optionally, in this embodiment, the front end of the equipment base 17 is connected with the rear end of the latch 11 in a rotating manner, a lock cylinder is arranged in the inside of the equipment base 17 near the latch 11, one end of the equipment base 17 near the latch 11 is connected with a key 10 in a rotating manner, the key 10 is matched with the lock cylinder in the equipment base 17, one end of the equipment base 17 near the latch 11 is connected with a handle 9 in a rotating manner, the top end of the equipment body 1 is electrically connected with a display screen 3, the top end of the equipment body 1 is electrically connected with a signal lamp 16, and the signal lamp 16 is arranged in a straight line.

Connecting hole 4 has been seted up at the top middle part of equipment body 1, connecting hole 4 and external equipment electric connection, and the top electric connection of equipment body 1 has detector 6, and the top of equipment body 1 is provided with switch 7, and the top electric connection of equipment body 1 has control key 8, and control key 8 sets up the below at connecting hole 4.

The top fixedly connected with sealing strip 12 of equipment base 17, the inside of sealing strip 12 is provided with waterproofing membrane, and bottom a week of upper cover plate 18 is provided with connecting strip 19, and connecting strip 19 is connected with the gomphosis of sealing strip 12, and connecting strip 19 and sealing strip 12 phase-match, the rear end fixedly connected with of equipment base 17 supports board 21, and upper cover plate 18 is close to the one end fixedly connected with stopper 20 of supporting board 21, and stopper 20 plays the turned angle who restricts upper cover plate 18 with supporting board 21.

The utility model discloses the theory of operation:

firstly, the equipment base 17 and the upper cover plate 18 are opened, the external equipment is electrically connected with the connecting hole 4, the detection instrument can normally work, the power switch 7 is opened, the equipment body 1 starts to work, displayed data are observed through the display screen 3, whether the equipment body 1 normally works is checked through the signal lamp 16, when the detection is completed, the key 10 is matched with the lock cylinder through the lock cylinder arranged inside the equipment base 17, when the clamping lock 11 rotates to be buckled with the connecting plate 13, when the lower end of the clamping lock 11 is parallel to the equipment base 17 at the moment, the key 10 penetrates through the clamping lock 11 to be connected with the lock cylinder, then the key 10 is rotated to connect the clamping lock 11 with the connection completion, the equipment base 17 cannot be opened and closed with the upper cover plate 18 under the condition that the key 10 does not exist, and the detection instrument is more expensive, so that the safety of the equipment is greatly improved.

Through the sealing strip 12 arranged on the equipment base 17 and the connecting strip 19 arranged at the bottom end of the upper cover plate 18, the equipment needs to be detected on site, the environment on site has great difference, the damp condition can occur, and at the moment, the waterproof coiled material arranged inside the sealing strip 12 can effectively protect the equipment from water entering.

Through setting up fixed plate 14 and the protection ball that sets up in upper cover plate 18 inside, the inside shock attenuation sponge that sets up of fixed plate 14 and the inside shock attenuation PU bubble that sets up of protection ball are cotton, can be in upper cover plate and the closed circumstances of equipment base 17 under, and equipment body 1 can not receive great impact force and damaged in equipment base 17 inside.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an integral type current-voltage transformer field test appearance, includes equipment body (1), equipment base (17), upper cover plate (18) and kayser (11), its characterized in that: the surface of the equipment body (1) is embedded and connected with an equipment base (17), the external dimension of the equipment base (17) is matched with the external dimension of the equipment body (1), the rear end of the equipment base (17) is fixedly connected with a rotating plate (5), the interior of the rotating plate (5) is rotatably connected with an equipment rotating shaft (2), the top end of the equipment rotating shaft (2) is fixedly connected with the bottom end of the upper cover plate (18), the top end of the upper cover plate (18) is fixedly connected with a connecting plate (13), the connecting plate (13) and the center line of the upper cover plate (18) are symmetrically arranged, the inner wall of the upper cover plate (18) is fixedly connected with a fixed plate (14), a damping sponge is arranged inside the fixed plate (14), the top fixedly connected with protection ball (15) of fixed plate (14), protection ball (15) are the PU bubble cotton, protection ball (15) are the even setting of plum blossom shape.

2. The integrated current-voltage transformer field tester of claim 1, wherein: the front end of equipment base (17) is rotated with the rear end of kayser (11) and is connected, the inside position that is close to kayser (11) of equipment base (17) is provided with the lock core, the one end that equipment base (17) is close to kayser (11) is rotated and is connected with key (10), key (10) and the lock core phase-match in the equipment base (17).

3. The integrated current-voltage transformer field tester of claim 1, wherein: the equipment base (17) is close to the one end of kayser (11) and rotates and be connected with handle (9), the top electric connection of equipment body (1) has display screen (3), the top electric connection of equipment body (1) has signal lamp (16), and signal lamp (16) are a style of calligraphy and arrange the setting.

4. The integrated current-voltage transformer field tester of claim 1, wherein: connecting hole (4) have been seted up at the top middle part of equipment body (1), connecting hole (4) and external equipment electric connection, the top electric connection of equipment body (1) has detector (6).

5. The integrated current-voltage transformer field tester of claim 1, wherein: the top of equipment body (1) is provided with switch (7), the top electric connection of equipment body (1) has control key (8), control key (8) set up the below in connecting hole (4).

6. The integrated current-voltage transformer field tester of claim 1, wherein: the top fixedly connected with sealing strip (12) of equipment base (17), the inside of sealing strip (12) is provided with waterproofing membrane, bottom a week of upper cover plate (18) is provided with connecting strip (19), connecting strip (19) are connected with sealing strip (12) gomphosis, and connecting strip (19) and sealing strip (12) phase-match.

7. The integrated current-voltage transformer field tester of claim 1, wherein: the rear end of the equipment base (17) is fixedly connected with a resisting plate (21), and one end, close to the resisting plate (21), of the upper cover plate (18) is fixedly connected with a limiting block (20).