CN210572491U - Full-automatic testing arrangement of electric power monitoring instrument - Google Patents
Full-automatic testing arrangement of electric power monitoring instrument Download PDFInfo
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- CN210572491U CN210572491U CN201822247841.9U CN201822247841U CN210572491U CN 210572491 U CN210572491 U CN 210572491U CN 201822247841 U CN201822247841 U CN 201822247841U CN 210572491 U CN210572491 U CN 210572491U
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Abstract
The utility model provides a the utility model relates to a full-automatic testing arrangement of electric power monitoring instrument. The device comprises: the system comprises a server platform, two test signal generators, a test signal monitor, a voltage monitor, a harmonic wave monitoring device, two instrument cabinets, a router and a single-pole double-throw switch; the server platform is in communication connection with the two test signal generators through a GPIB network, the test signal generators are respectively and electrically connected with the two instrument cabinets and the test signal monitor through single-pole double-throw switches, and the voltage monitor, the harmonic wave monitoring device and the test signal monitor are respectively in communication connection with the server platform; the voltage monitor and the harmonic monitoring device are respectively electrically connected with the instrument cabinet. The utility model discloses can realize multiple electric power monitoring instrument batch test simultaneously, avoid the unstable problem of system that single test signal generator caused simultaneously, improve efficiency of software testing and testing arrangement's stability.
Description
Technical Field
The utility model relates to a full-automatic test technical field of electric power monitoring instrument particularly, relates to a full-automatic testing arrangement of electric power monitoring instrument.
Background
With the increase of nonlinear loads in the power system, harmonic problems such as harmonic waves, flicker and voltage fluctuation, three-phase unbalance, voltage deviation, frequency deviation, voltage transient rise, voltage sag, short-time interruption, transient events and the like are brought, so that the power grid harmonic waves are seriously reduced. Meanwhile, precise electronic instruments controlled by a computer and a microprocessor are used in a large amount in national economic enterprises, the sensitivity of the precise electronic instruments to power supply quality is higher and higher, more and more users put forward the requirement of high-quality power supply to power departments, and even the precise electronic instruments are selectively ensured by signing power supply contracts and quality agreements. The harmonic monitoring device can accurately detect and analyze the harmonic of the power grid, has the accident diagnosis capability and can give an alarm to the harmonic event at the exit. With more and more harmonic monitoring devices, voltage monitors and other power monitoring instruments being installed and applied to power systems, the demand of automatic test systems is increasing.
The traditional manual test can only test one electric power monitoring instrument at every time, the test efficiency is low, the test time is long, manual intervention is needed, the error rate is high, the traditional manual test cannot meet the test requirement of the electric power monitoring instrument, and the test can be changed only by batch automatic electric power monitoring instruments, so that an automatic test platform for simultaneously testing various electric power monitoring instruments is necessarily developed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned prior art not enough, provide a full-automatic testing arrangement of electric power monitoring instrument, can satisfy the electric power monitoring in batches, efficiency of software testing is high.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a full-automatic testing arrangement of electric power monitoring instrument, include: a first test signal generator and a second test signal generator;
the first test signal generator is provided with a first output channel and a second output channel; the second test signal generator is provided with a third output channel and a fourth output channel;
the first test signal generator and the second test signal generator are in communication connection with the server platform through a GPIB network;
the first output channel is electrically connected with the first instrument cabinet through a first single-pole double-throw switch; the second output channel is electrically connected with a second instrument cabinet through a second single-pole double-throw switch;
when the first test signal generator fails, the server platform switches the first single-pole double-throw switch to the third output channel, so that the third output channel is electrically connected with the first instrument cabinet through the first single-pole double-throw switch;
the server platform switches the second single-pole double-throw switch to the fourth output channel, so that the fourth output channel is electrically connected with the second instrument cabinet through the second single-pole double-throw switch.
Further, the first test signal generator outputs signals through the first output channel, transmits the signals to the first instrument cabinet, and the signals are distributed to the harmonic monitoring devices at each first test position through the first electrical socket by the first instrument cabinet; and the first test signal generator outputs signals through the second output channel to be transmitted to the second instrument cabinet, and the signals are distributed to the voltage monitor at each second test position through a second electric socket by the second instrument cabinet.
Further, when the first test signal generator fails,
the second test signal generator outputs signals through the third output channel, transmits the signals to the first instrument cabinet, and is distributed to the harmonic monitoring devices at each first test position by the first instrument cabinet through the first electric socket; and the second test signal generator outputs a signal through the fourth output channel to be transmitted to the second instrument cabinet, and the signal is distributed to the voltage monitor at each second test position through the second electrical socket by the second instrument cabinet.
Furthermore, the first instrument cabinet has nine first test positions, each first test position is provided with the first electric socket and a network interface, and the nine first test positions are provided with the harmonic monitoring device.
Furthermore, the second instrument cabinet has nine second test position, every second test position all is equipped with second electrical socket and a network interface, nine the second test position all is equipped with voltage monitor.
Further, the first instrument cabinet and the second instrument cabinet are 2236mm long, 815mm wide and 1755mm high.
Furthermore, the first instrument cabinet and the second instrument cabinet are both provided with expansion interfaces.
Furthermore, voltage loops between the harmonic monitoring devices are arranged in parallel, and current loops between the harmonic monitoring devices are arranged in series; the harmonic wave monitoring device is a single loop or a double loop.
Furthermore, voltage loops between the voltage monitors are connected in parallel, and current loops between the voltage monitors are connected in series.
The utility model has the advantages that: meanwhile, full-automatic batch testing of the harmonic wave on-line monitoring device and the voltage monitor is realized, automatic switching of faults of the test signal generator is realized, the testing intelligence degree of the power monitoring instrument is further improved, and the testing efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a full-automatic testing device of an electric power monitoring instrument according to the present invention;
fig. 2 is a schematic diagram of a first instrument cabinet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
A full-automatic testing arrangement of power monitoring instrument includes: a first test signal generator 2 and a second test signal generator 3;
the first test signal generator 2 is provided with a first output channel 101 and a second output channel 102; the second test signal generator 3 is provided with a third output channel 103 and a fourth output channel 104;
the first test signal generator 2 and the second test signal generator 3 are in communication connection with the server platform 1 through a GPIB network;
the first output channel 101 is electrically connected with the first instrument cabinet 7 through a first single-pole double-throw switch 105; the second output channel 102 is electrically connected with the second instrument cabinet 8 through a second single-pole double-throw switch 106;
when the first test signal generator 2 fails, the server platform 1 switches the first single-pole double-throw switch 105 to the third output channel 103, so that the third output channel 103 is electrically connected with the first instrument cabinet 7 through the first single-pole double-throw switch 105; the server platform 1 switches the second single-pole double-throw switch 106 to the fourth output channel 104, so that the fourth output channel 104 is electrically connected to the second instrument cabinet 8 through the second single-pole double-throw switch 106.
The computer controls the single pole double throw switch by controlling the switching value output.
First, a first single-pole double-throw switch 105 is connected with a first output channel 101 of a first test signal generator 2, a second single-pole double-throw switch 106 is connected with a second output channel 102 of the first test signal generator 2, the first test signal generator 2 generates a signal, a server platform 1 carries out detection, when the signal is abnormal, the server platform 1 sends a control signal, cuts off the connection between the first single-pole double-throw switch 105 and the first output channel 101, cuts off the connection between the second single-pole double-throw switch 106 and the second output channel 102, controls the connection between the first single-pole double-throw switch 105 and a third output channel 103 of a second test signal generator 3, and controls the connection between the second single-pole double-throw switch 106 and a fourth output channel 104 of the second test signal generator. The system instability problem caused by a single test signal generator can be avoided by the arrangement, and the test efficiency and the stability of the test device are improved.
A test signal generator has two output channels, which are used for connecting with the first instrument cabinet 7 and the second instrument cabinet 8, so that the simultaneous detection of various types of power monitoring devices can be realized.
The first test signal generator 2 outputs signals through the first output channel 101, transmits the signals to the first instrument cabinet 7, and the signals are distributed to the harmonic monitoring device 6 at each first test position through the first electrical socket by the first instrument cabinet 7; the first test signal generator 2 outputs a signal through the second output channel 102 to the second instrument cabinet 8, and the signal is distributed to the voltage monitor 5 at each second test position by the second instrument cabinet 8 through a second electrical socket.
Batch testing of two power monitoring instruments of the harmonic monitoring device 6 and the voltage monitor 5 is realized, and the harmonic monitoring device 6 and the voltage monitor 5 are respectively in communication connection with the server platform 1 through the router 9; the test signal monitor 4 is in communication connection with the server platform 1 through a router.
The test signal monitor 4 is arranged between the test signal generator and the instrument cabinet, the test signal generator 2 sends the test signals to the first instrument cabinet 7 and the second instrument cabinet 8 and transmits the test signals to the test signal monitor 4 at the same time, the test signal monitor 4 generates a reference signal, and the reference signal is transmitted to the server platform 1.
And measuring signals output by the harmonic wave monitoring device 6 and the voltage monitor 5 after operation are respectively transmitted to the server platform 1 through the router. The server platform 1 may be communicatively connected to the printer so that the test results are readable.
When the first test signal generator 2 fails,
the second test signal generator 3 outputs a signal through the third output channel 103, transmits the signal to the first equipment cabinet 7, and is distributed by the first equipment cabinet 7 to the harmonic monitoring device 6 at each first test position through the first electrical outlet; the second test signal generator 3 outputs a signal through the fourth output channel 104 to the second equipment cabinet 8, and the signal is distributed to the voltage monitor 5 at each second test position by the second equipment cabinet 8 through the second electrical socket.
And the voltage monitor 5, the harmonic wave monitoring device 6 and the test signal monitor 4 are in communication connection with the server platform 1 through the router 9 respectively.
The first instrument cabinet 7 is provided with nine first test positions, each first test position is provided with the first electrical socket and a network interface, and the nine first test positions are provided with the harmonic monitoring devices 6.
The second instrument cabinet 8 has nine the second test position, every the second test position all is equipped with second electrical socket and a network interface, nine the second test position all is equipped with voltage monitor 5.
The first instrument cabinet 7 and the second instrument cabinet 8 are 2236mm long, 815mm wide and 1755mm high. The size of the instrument cabinet is set to ensure that the instrument cabinet has enough space to accommodate a plurality of instruments to be tested, and proper expandable space can be reserved simultaneously.
The first instrument cabinet 7 and the second instrument cabinet 8 are both provided with expansion interfaces.
Voltage loops among the harmonic monitoring devices 6 are arranged in parallel, and current loops among the harmonic monitoring devices 6 are arranged in series; the harmonic monitoring device 6 is a single loop or a double loop.
The voltages are connected in parallel, and the voltage signals received by each harmonic monitoring device to be tested are ensured to be the same. The current is connected in series to ensure that current signals received by each harmonic monitoring device to be tested are the same. That is, it is ensured that each harmonic monitoring device under test has the same initial input signal.
The types of common harmonic monitoring devices on the market are single-loop and double-loop, and the system disclosed by the invention can support the test of the two common harmonic monitoring devices on the market, and has better universality.
The voltage loops between the voltage monitors 5 are connected in parallel, and the current loops between the voltage monitors 5 are connected in series.
The voltages are connected in parallel, so that the voltage signals received by each voltage monitor to be tested are the same. The current is connected in series to ensure that current signals received by each voltage monitor to be tested are the same. That is to say, the initial input signals of each voltage monitor to be measured are ensured to be the same.
The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. The utility model provides a full-automatic testing arrangement of electric power monitoring instrument which characterized in that includes: a first test signal generator (2) and a second test signal generator (3);
the first test signal generator (2) is provided with a first output channel (101) and a second output channel (102); the second test signal generator (3) is provided with a third output channel (103) and a fourth output channel (104);
the first test signal generator (2) and the second test signal generator (3) are respectively in communication connection with the server platform (1) through a GPIB network;
the first output channel (101) is electrically connected with the first instrument cabinet (7) through a first single-pole double-throw switch (105); the second output channel (102) is electrically connected with a second instrument cabinet (8) through a second single-pole double-throw switch (106);
when the first test signal generator (2) fails, the server platform (1) switches the first single-pole double-throw switch (105) to the third output channel (103), so that the third output channel (103) is electrically connected with the first instrument cabinet (7) through the first single-pole double-throw switch (105); the server platform (1) switches the second single-pole double-throw switch (106) to the fourth output channel (104), and the fourth output channel (104) is electrically connected with the second instrument cabinet (8) through the second single-pole double-throw switch (106).
2. The full-automatic testing device of the power monitoring instrument according to claim 1, characterized in that: the first test signal generator (2) outputs signals through the first output channel (101) to the first instrument cabinet (7) and is distributed to the harmonic monitoring device (6) on each first test position through a first electric socket by the first instrument cabinet (7); the first test signal generator (2) outputs signals through the second output channel (102) to the second instrument cabinet (8), and the signals are distributed to the voltage monitor (5) on each second test position through a second electric socket by the second instrument cabinet (8).
3. The full-automatic testing device of the power monitoring instrument according to claim 2, characterized in that: when the first test signal generator (2) fails,
the second test signal generator (3) outputs a signal through the third output channel (103) to the first equipment cabinet (7) and is distributed by the first equipment cabinet (7) to the harmonic monitoring device (6) at each first test position through the first electrical outlet; the second test signal generator (3) outputs a signal through the fourth output channel (104) to the second instrument cabinet (8), and the signal is distributed to the voltage monitor (5) at each second test position through the second electrical socket by the second instrument cabinet (8).
4. The full-automatic testing device of the power monitoring instrument according to claim 3, characterized in that: the first instrument cabinet (7) is provided with nine first testing positions, each first testing position is provided with the first electric socket and a network interface, and the nine first testing positions are provided with the harmonic wave monitoring devices (6).
5. The full-automatic testing device of the power monitoring instrument according to claim 3, characterized in that: the second instrument cabinet (8) has nine second test positions, every second test position all is equipped with second electrical socket and a network interface, nine the second test position all is equipped with voltage monitor (5).
6. The full-automatic testing device of the power monitoring instrument according to claim 1, characterized in that: the first instrument cabinet (7) and the second instrument cabinet (8) are 2236mm long, 815mm wide and 1755mm high.
7. The full-automatic testing device of the power monitoring instrument according to claim 1, characterized in that: the first instrument cabinet (7) and the second instrument cabinet (8) are both provided with expansion interfaces.
8. The full-automatic testing device of the power monitoring instrument according to claim 3, characterized in that: voltage loops among the harmonic monitoring devices (6) are arranged in parallel, and current loops among the harmonic monitoring devices (6) are arranged in series; the harmonic wave monitoring device (6) is a single loop or a double loop.
9. The full-automatic testing device of the power monitoring instrument according to claim 3, characterized in that: the voltage loops between the voltage monitors (5) are connected in parallel, and the current loops between the voltage monitors (5) are connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247841.9U CN210572491U (en) | 2018-12-29 | 2018-12-29 | Full-automatic testing arrangement of electric power monitoring instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247841.9U CN210572491U (en) | 2018-12-29 | 2018-12-29 | Full-automatic testing arrangement of electric power monitoring instrument |
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| Publication Number | Publication Date |
|---|---|
| CN210572491U true CN210572491U (en) | 2020-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822247841.9U Active CN210572491U (en) | 2018-12-29 | 2018-12-29 | Full-automatic testing arrangement of electric power monitoring instrument |
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| CN (1) | CN210572491U (en) |
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