CN216771865U - Electric energy quality on-line monitoring terminal testing device and system thereof - Google Patents

Abstract

The utility model provides a testing device and a testing system for an online power quality monitoring terminal. The utility model adopts an integral testing device with a probe row, and the probe row can be jointed with a terminal of testing equipment to save manual wiring; the driver drives the electric energy quality monitoring terminal to be jointed with the testing device, and the combination of the cylinder and the locking structure can effectively solve the problem of low terminal positioning repeated precision during testing and reduce errors.

Description

Electric energy quality on-line monitoring terminal testing device and system thereof

Technical Field

The utility model belongs to the technical field of power quality monitoring, and particularly relates to a power quality on-line monitoring terminal testing device and a system thereof.

Background

With the acceleration of smart grid construction, the scale of a power system is continuously enlarged, and nonlinear, impact and unbalanced loads are increasingly aggravated, so that the problem of power quality of a power grid needs to be solved, and the power quality condition of the power grid needs to be effectively monitored for a long time. The on-line power quality monitoring terminal is a professional measuring tool for recording and analyzing power quality problems in a power grid, can capture common power quality problems of harmonic waves, voltage fluctuation, flicker, power, three-phase imbalance and the like in a fault site, and provides performance evaluation and treatment decisions in the aspect of power quality for smart power grids, new energy, electrified railways and large-scale industrial users. At present, manual tool testing is mostly adopted for testing the power quality online monitoring terminal, and then step-by-step testing is carried out according to a power quality testing project.

The existing test of the power quality on-line monitoring terminal has the following problems:

1. most of signal connecting lines tested by the conventional power quality online monitoring terminal are manually connected, the power quality online monitoring terminal is usually configured with multiple channels, each channel contains a large number of signal lines, the wiring workload is large, and the consumed time is long;

2. most of the existing traditional testing equipment of the power quality on-line monitoring terminal manually pushes the tested equipment, and the positioning repetition precision is not high;

3. most of the existing traditional testing equipment of the power quality on-line monitoring terminal is manual equipment, the joint degree of the tested equipment and a testing device is poor, and measurement errors can be introduced, so that the terminal measurement errors exceed the standard, and the testing process cannot be continued;

4. the existing test of the power quality on-line monitoring terminal is carried out step by step according to power quality test projects, after one project is tested, the output electrical parameter of the power quality standard source is manually switched to test the next project, the output electrical parameter of the power quality standard source needs to be manually adjusted in the process, the number of the test projects of the power quality on-line monitoring terminal is large, the production efficiency of products is low, and the production test time period is long.

Disclosure of Invention

The utility model aims to solve the problems and provides a device and a system for testing an on-line monitoring terminal of power quality, which can save manual wiring through a probe bank, effectively solve the problem of low terminal positioning repeatability during testing through the combination of a driver and a stroke locking mechanism and reduce errors.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an electric energy quality on-line monitoring terminal testing arrangement, includes the base station and fixes the mesa on the base station, be provided with the probe terminal box on the base station, be equipped with in the probe terminal box and be used for arranging with the probe that equipment under test contacted, base station inside is equipped with stroke locking mechanical system and is used for promoting equipment under test and the driver of electric energy quality on-line monitoring terminal testing arrangement joint. The probe row can be jointed with the terminal of the test equipment to save manual wiring, the tested equipment is pushed by the driver to be jointed with the test device, and the combination of the driver and the stroke locking mechanism can effectively solve the problem of low terminal positioning repeated precision in the test process and reduce errors.

Further, the table top comprises a front panel and a panel which are connected with each other, and a start button and a stop button are arranged on the base table or the table top.

Furthermore, the probe junction box is arranged on one side of the base platform, the probe junction box also comprises an upper probe junction box top plate, a right probe junction box panel, a front probe junction box panel, a left probe junction box panel and a rear probe junction box panel which are mutually connected, and the probe row is arranged on the front probe junction box panel; the probe bank includes a probe block, a probe plate, and a first probe and a second probe for introducing a device under test. According to the utility model, a probe junction box is arranged on one side of the base station, the probe junction box comprises a probe row, the probe row is used for contacting with tested equipment, and each measurement electric signal is introduced into the tested equipment through a probe.

Further, the base station includes base station base and support plate, install the direction dog on the support plate. The support plate is provided with the guide stop block, so that the device to be tested can be quickly placed and taken.

Furthermore, the driver comprises an air cylinder, the support plate is connected with the air cylinder and suspended on the base platform through the connecting air cylinder, and the support plate moves along with the action of the air cylinder.

Further, the cylinder includes cylinder block and sets up the cylinder lower pivot in cylinder block one end, the cylinder block passes through cylinder lower pivot to be fixed at the base station base.

Further, the upper end of the cylinder body is provided with an upper cylinder fulcrum, and the upper end of the cylinder body is connected with the support plate through the upper cylinder fulcrum. The support plate is suspended on the base station through the upper support point of the cylinder, and the support plate can move forwards and backwards when the cylinder moves.

Furthermore, the stroke locking mechanism comprises a stroke switch arranged on the base station and a self-locking mechanism fixed on the base station base. The utility model adopts the travel switch and the self-locking mechanism, can solve the problem of low terminal positioning repeatability precision during testing, and avoids the electric parameter measurement error caused by untight contact during testing.

Furthermore, a testing bottom box is arranged on the outer side of the base station and comprises a testing bottom box back plate, a testing bottom box left vertical plate, a testing bottom box right vertical plate and a testing bottom box bottom plate which are connected with each other.

The utility model also provides a power quality on-line monitoring terminal test system which comprises the power quality on-line monitoring terminal test device, the PC upper computer and the power quality standard source, wherein the PC upper computer controls the power quality standard source to output electrical parameters, and the power quality on-line monitoring terminal test device is respectively connected with the PC upper computer and the power quality standard source.

Compared with the prior art, the utility model has the advantages that:

1. the utility model relates to a power quality on-line monitoring terminal testing device and a system thereof.A testing device with an integral probe row is adopted, and the probe row can be jointed with a terminal of testing equipment, so that manual wiring is saved;

2. according to the utility model, the combination of the air cylinder and the travel switch is adopted, the air cylinder pushes the electric energy quality monitoring terminal to be connected with the testing device, and the combination of the air cylinder and the travel switch can effectively solve the problem of low terminal positioning repeatability during testing;

3. the utility model adopts the testing device with the self-locking mechanism, so that the power quality monitoring terminal is tightly jointed with the testing device, and the electric parameter measurement error caused by loose contact during testing is avoided;

4. according to the electric energy quality on-line monitoring terminal test system, the PC upper computer controls the electric energy quality standard source to output the electric parameters to be tested, so that manual adjustment of the electric energy quality standard source output electric parameters can be omitted, and the production efficiency is greatly improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic structural diagram of an online power quality monitoring terminal testing device according to the present invention;

FIG. 2 is a schematic structural diagram of the interior of a base station in the testing device of the online power quality monitoring terminal of the present invention;

fig. 3 is a schematic structural diagram of an electric energy quality on-line monitoring terminal test system according to the present invention.

In the figure, a base station 1, a self-locking mechanism 11, a travel switch 12, an air cylinder 13, an air cylinder upper supporting point 131 and an air cylinder lower supporting point 132; a table top 2, a front panel 21, a panel 22; the probe junction box comprises a probe junction box 3, a probe row 31, a probe block 311, a needle plate 312, a first probe 313, a second probe 314, a probe junction box upper top plate 32, a probe junction box right panel 33 and a probe junction box front panel 34; a carrier plate 4, a guide stopper 41; a start button 5; a stop button 6; testing the back plate 7 of the bottom box; testing the right vertical plate 8 of the bottom box; the bottom plate 9 of the test bottom box.

Detailed Description

In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and fig. 2, the power quality on-line monitoring terminal testing device of the embodiment includes a base platform 1 and a table top 2 fixed on the base platform 1, a probe junction box 3 is arranged on the base platform 1, a probe row 31 for contacting with a device to be tested is arranged in the probe junction box 3, and a stroke locking mechanism and a driver for pushing the device to be tested to be engaged with the power quality on-line monitoring terminal testing device are arranged inside the base platform 1. The probe card 31 can be connected with a testing device, namely a terminal of the electric energy quality on-line monitoring terminal, manual wiring can be omitted, the electric energy quality monitoring terminal is driven by the driver to be connected with the testing device, the problem that terminal positioning repetition precision is not high during testing can be effectively solved through the combination of the driver and the stroke locking mechanism, and errors are reduced.

The table top 2 of the present embodiment comprises a front panel 21 and a front panel 22 connected to each other, and the start button 5 and the stop button 6 are mounted on the base table 1 or the table top 2. The table top 2 of the embodiment is provided with a front panel 21, which is connected with a panel 22 and fixed on the base table 1, the panel 22 is provided with a start button 5 and a stop button 6, and related personnel can install the start button 5 and the stop button 6 on the base table 1 or the table top 2 at positions convenient for use according to requirements.

The probe junction box 3 is installed on one side of a base station 1, the probe junction box further comprises a probe junction box upper top plate 32, a probe junction box right panel 33, a probe junction box front panel 34, a probe junction box left panel and a probe junction box rear panel which are connected with each other to form a square structure, and the probe row 31 is arranged on the probe junction box front panel 34; the probe card 31 includes a probe block 311, a probe plate 312, and a first probe 313 and a second probe 314 for introducing a device under test. In this embodiment, the probe terminal box 3 is installed on one side of the base platform 1, the probe terminal box 3 includes a probe bar 31, the probe bar 31 is used for contacting with the device under test, and each measurement electrical signal is introduced into the device under test through a probe. In the embodiment, the first probe 313 is a 100u probe, the second probe 314 is a 125u probe, and the type of the probe can be flexibly set according to the use.

The base table 1 of the present embodiment comprises a base table base and a carrier plate 4, and a guide block 41 is mounted on the carrier plate 4. The carrier plate 4 of the embodiment is provided with the guide stopper 41, so that the device to be tested can be quickly placed and taken.

As shown in fig. 2, the driver of the present embodiment includes a cylinder 4, and those skilled in the art may replace the cylinder with another driver, such as a motor. The carrier plate 4 of the present embodiment is connected with the air cylinder 13 and suspended on the base table 1 through the connecting air cylinder 13, and the carrier plate 4 moves along with the action of the air cylinder 13. The cylinder 13 includes a cylinder block fixed to the base by a cylinder lower fulcrum 132, and a cylinder lower fulcrum 132 provided at one end of the cylinder block. The upper end of the cylinder body is provided with a cylinder upper fulcrum 131, and the upper end of the cylinder body is connected with the carrier plate 4 through the cylinder upper fulcrum 131. In this embodiment, the upper end of the cylinder 13 is connected to the carrier plate 4 through three upper cylinder fulcrums 131, the other end of the cylinder is fixed to the base of the base through a lower cylinder fulcrum 132, the carrier plate 4 is suspended on the base 1 through the upper cylinder fulcrum 131, and when the cylinder 13 moves, the carrier plate 4 can move forward and backward.

The stroke locking mechanism of the present embodiment includes a stroke switch 12 provided on the base 1 and a self-locking mechanism 11 fixed to the base of the base. In the embodiment, the base station 1 is provided with the travel switch 12, the self-locking mechanism 11 is fixed on the base station base, the travel switch 12 and the self-locking mechanism 11 are adopted to solve the problem that the terminal positioning repetition precision is not high during testing, and the electric parameter measurement error caused by untight contact during testing is avoided.

In this embodiment, when the cylinder 13 is inflated, the cylinder wall extends, one end of the cylinder 13 drives the carrier plate 4 to move forward, the cylinder 13 stops extending when the cylinder 13 touches the travel switch 12, and the self-locking mechanism 11 locks the position of the carrier plate 4 after the cylinder stops. When the air cylinder 13 is deflated, the self-locking mechanism 11 is released, one end of the air cylinder 13 drives the carrier plate 4 to move backwards, and when the release of the air in the air cylinder 13 is finished, the carrier plate 4 moves backwards and returns to the initial position.

This embodiment 1 outside of base station is equipped with the test end box, the test end box includes box backplate 7 at the bottom of interconnect's the test, box left side riser, box right side riser 8 at the bottom of the test and this bottom plate 9 of box at the bottom of the test. The testing bottom box and the table top 2 fixed on the base station 1 jointly form a cuboid structure for accommodating the cylinder 13 and the stroke locking mechanism in the base station 1 and the base station, the carrier plate 4 is installed on the surface of the cuboid structure, the probe junction box 3 is installed on one side of the surface of the cuboid structure, and the start button 5 and the stop button 6 are installed on the position convenient to use on the surface of the cuboid structure and can be flexibly arranged.

Example 2

As shown in fig. 3, this embodiment also provides an electric energy quality on-line monitoring terminal test system, including as above an electric energy quality on-line monitoring terminal testing arrangement, PC host computer and electric energy quality standard source, the PC host computer controls electric energy quality standard source output electrical parameter, electric energy quality on-line monitoring terminal testing arrangement respectively with PC host computer and electric energy quality standard source interconnect. In the embodiment, the electric energy quality on-line monitoring terminal testing device with the cylinder pushing and locking mechanism can effectively ensure that the electric energy quality monitoring terminal is jointed with a signal contact of the testing device, the PC upper computer controls the electric energy quality standard source to output electric parameters, and the PC upper computer is interconnected with the electric energy quality on-line monitoring terminal to obtain various test data.

The power quality standard source of the embodiment is a three-phase integrated signal generation system with high precision, wide range and high stability, and meets the technical specification part 4 of power quality monitoring of national grid company enterprise standard Q/GDW 1650.4: electric energy quality monitoring terminal inspection and related electric power industry standards. The electric energy quality standard source can output various voltage and current waveforms, is mainly used for testing the electric energy quality monitoring terminal, can comprehensively test various functions of the electric energy quality monitoring terminal, such as voltage, current, frequency, harmonic, inter-harmonic, voltage flicker, voltage temporary rise, voltage temporary drop, voltage interruption, clock, three-phase unbalance, a detection method of the electric energy quality, multiple influence quantities and the like, and is standard source equipment. The system supports a user open protocol, and a user can carry out secondary development through a network interface and a communication protocol to realize remote control of the power quality standard source without manually setting output electric parameters of the power quality standard source.

The PC upper computer in the embodiment comprises a control program following an open protocol of a power quality standard source user and a communication program with the power quality on-line monitoring terminal, and can obtain test data of the power quality on-line monitoring terminal. In the using process, the PC upper computer obtains the test item table, sequentially loads the standard power supply electric parameters, reads back the terminal test value, closes the standard power supply electric parameters, and finally automatically returns to the test item table for automatic testing again.

The electric energy quality on-line monitoring terminal testing device and the system thereof can be applied to a production line, and can avoid the over-tolerance of electric parameter testing errors caused by poor contact between the terminal and the testing device, so that the terminal testing can be smoothly carried out. After the PC upper computer control program is adopted to control the electric energy quality standard source, manual loading of the electric parameters output by the standard source can be omitted, and the test time is shortened. The PC upper computer directly reads the electric parameter measured value from the terminal, so that the test data can be directly stored and edited on the PC upper computer, and the loading of the test signal and the reading of the test value are completed on the PC upper computer at the same time, thereby reducing the manual operation and participation degree and rapidly improving the production efficiency.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides an electric energy quality on-line monitoring terminal testing arrangement, includes base station (1) and fixes mesa (2) on base station (1), its characterized in that, be provided with probe terminal box (3) on base station (1), be equipped with in probe terminal box (3) and be used for with the probe row (31) of equipment under test contact, base station (1) inside is equipped with stroke locking mechanical system and is used for promoting equipment under test with the driver of electric energy quality on-line monitoring terminal testing arrangement joint.

2. The electric energy quality on-line monitoring terminal testing device as claimed in claim 1, wherein the table top (2) comprises a front panel (21) and a panel (22) which are connected with each other, and a start button (5) and a stop button (6) are mounted on the base station (1) or the table top (2).

3. The electric energy quality on-line monitoring terminal testing device as claimed in claim 1, wherein the probe junction box (3) is installed at one side of the base station (1), the probe junction box further comprises a probe junction box upper top plate (32), a probe junction box right panel (33), a probe junction box front panel (34), a probe junction box left panel and a probe junction box rear panel which are connected with each other to form a cubic structure, and the probe row (31) is arranged on the probe junction box front panel (34); the probe bank (31) comprises a probe block (311), a probe plate (312) and a first probe (313) and a second probe (314) for introducing a device under test.

4. The electric energy quality on-line monitoring terminal testing device as claimed in claim 1, wherein the base platform (1) comprises a base platform base and a carrier plate (4), and a guide stop block (41) is mounted on the carrier plate (4).

5. The electric energy quality on-line monitoring terminal testing device as claimed in claim 4, wherein the driver comprises a cylinder (13), the carrier plate (4) is connected with the cylinder (13) and suspended on the base (1) through the connecting cylinder (13), and the carrier plate (4) moves along with the action of the cylinder (13).

6. The on-line monitoring terminal testing device for the quality of electric energy as claimed in claim 5, wherein the cylinder (13) comprises a cylinder block and a cylinder lower supporting point (132) arranged at one end of the cylinder block, and the cylinder block is fixed on the base station base through the cylinder lower supporting point (132).

7. The on-line monitoring terminal testing device for the quality of electric energy as claimed in claim 6, wherein the cylinder block is provided with an upper cylinder fulcrum (131) at the upper end thereof, and the upper end of the cylinder block is connected with the carrier plate (4) through the upper cylinder fulcrum (131).

8. The device for testing the power quality on-line monitoring terminal according to claim 4, wherein the stroke locking mechanism comprises a stroke switch (12) arranged on the base station (1) and a self-locking mechanism (11) fixed on the base station base.

9. The electric energy quality on-line monitoring terminal testing device as claimed in claim 1, wherein a testing bottom box is arranged on the outer side of the base platform (1), and the testing bottom box comprises a testing bottom box back plate (7), a testing bottom box left vertical plate, a testing bottom box right vertical plate (8) and a testing bottom box body bottom plate (9) which are connected with each other.

10. An electric energy quality on-line monitoring terminal test system, characterized by comprising the electric energy quality on-line monitoring terminal test device, a PC upper computer and an electric energy quality standard source according to any one of claims 1 to 9, wherein the PC upper computer controls the electric energy quality standard source to output electric parameters, and the electric energy quality on-line monitoring terminal test device is respectively connected with the PC upper computer and the electric energy quality standard source.

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