CN108181531B - Test system and method - Google Patents
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- CN108181531B CN108181531B CN201810045359.9A CN201810045359A CN108181531B CN 108181531 B CN108181531 B CN 108181531B CN 201810045359 A CN201810045359 A CN 201810045359A CN 108181531 B CN108181531 B CN 108181531B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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Abstract
The invention discloses a test system and a test method, wherein the test system comprises a security inspection device and N commodity inspection devices, a test terminal on each test station is connected with the corresponding commodity inspection device through a commodity inspection power line, and a normally open contact of a commodity inspection contactor is connected in series on each commodity inspection power line; each test terminal is connected with security inspection equipment through a security inspection power line, and a normally open contact of a security inspection contactor is connected in series on each security inspection power line; to the commodity inspection contactor on the commodity inspection power cord and the security check contactor on the security check power cord of connecting the test terminal on same test bench position: a normally open contact of a security check relay is connected in series in a power supply line of a coil of the security check contactor, and a normally open contact of a commodity check relay is connected in series in a power supply line of a coil of the commodity check contactor; a power supply line of a coil of the commodity inspection relay is connected with a commodity inspection starting switch in series; a safety inspection starting switch is connected in series in a power supply line of a coil of the safety inspection relay. The invention improves the test safety.
Description
Technical Field
The invention belongs to the technical field of testing, and particularly relates to a testing system and a testing method.
Background
The security inspection test is used for detecting safety performance parameters of the air conditioner, such as contact performance of a grounding resistor and the ground, insulation performance of an insulation resistor, leakage current, voltage-resistant safety performance and the like. The commodity inspection test is used for performing function test on the air conditioner and testing the running condition of the air conditioner in different working states, such as current, power supply voltage, refrigerant pressure, coil temperature and the like of the air conditioner.
At present, the safety inspection test station and the commodity inspection test station have the operation of plugging and removing a power supply tooling line, and if the safety inspection test station and the commodity inspection test station are combined, the power supply tooling line only needs to be plugged and removed once.
Because the time that a product was examined to the security check appearance needs is shorter, and the commodity examines the time that a product was examined to the cabinet and needs is longer, for guaranteeing beat balance, the line body generally is equipped with a security check appearance and three commodity and examines the cabinet at present. If the safety inspection commodity inspection tests are combined to carry out comprehensive tests, the simplest scheme is that each commodity inspection cabinet is provided with one safety inspection instrument, a circuit schematic diagram is shown in figure 1, two safety inspection instruments are required to be purchased for each line body, the unit price of each safety inspection instrument is about 7 ten thousand yuan, the number of line bodies is large, the investment amount of related equipment is huge, in addition, the line body layout is compact, and the occupied land requirements of two newly-added safety inspection instruments are difficult to meet. And three commodity inspection cabinets share a security check instrument, and circuit switching realizes comparatively difficultly, if switches to appear unusually, then the high pressure in the security check process can make people electrocute or damage commodity inspection equipment by mistake, leads to the security poor in the test procedure.
Disclosure of Invention
The invention provides a test system, which improves the test safety.
In order to solve the technical problems, the invention adopts the following technical scheme:
a test system comprises a security check device and N commodity check devices corresponding to the security check device, wherein the N commodity check devices are correspondingly arranged on N test table positions one by one, and N is an integer more than or equal to 2; each test station is provided with a test terminal which is connected with equipment to be tested; the test terminal on each test station is connected with corresponding commodity inspection equipment through a commodity inspection power line, and a normally open contact of a commodity inspection contactor is connected in series on each commodity inspection power line; the test terminal on each test station is connected with security check equipment through a security check power line, and a normally open contact of a security check contactor is connected in series on each security check power line; to the commodity inspection contactor on the commodity inspection power cord and the security check contactor on the security check power cord of connecting the test terminal on same test bench position: a normally closed contact of the commodity inspection contactor and a normally open contact of the safety inspection relay are connected in series in a power supply line of a coil of the safety inspection contactor, and the normally closed contact of the safety inspection contactor and the normally open contact of the commodity inspection relay are connected in series in a power supply line of the coil of the commodity inspection contactor; a power supply line of a coil of the commodity inspection relay is connected in series with a commodity inspection starting switch and a normally closed contact of the security inspection relay; a safety inspection starting switch, a normally closed contact of the commodity inspection relay and normally closed contacts of safety inspection relays on power supply lines of coils of safety inspection contactors on other safety inspection power lines are connected in series in a power supply line of the coil of the safety inspection relay.
Furthermore, each security inspection power line of the security inspection equipment is at least connected in series with a normally open contact of a contactor; the coil of the contactor is connected in parallel with the coil of the security inspection contactor on the same security inspection power line; and the normally closed contact of the contactor is connected in series with the normally closed contact of the security inspection contactor on the same security inspection power line.
Furthermore, each security inspection power line of the security inspection equipment is connected with the normally open contacts of N-1 contactors in series; the N-1 contactors on each safety inspection power line are in one-to-one correspondence with the contactors on the other N-1 safety inspection power lines for mechanical interlocking; the coils of the N-1 contactors are respectively connected in parallel with the coils of the security inspection contactors on the same security inspection power line; and the normally closed contacts of the N-1 contactors are connected in series with the normally closed contacts of the security inspection contactors on the same security inspection power line.
Preferably, the number N of the security inspection power lines of the security inspection equipment is 3, and each security inspection power line is connected in series with 2 normally open contacts of the mechanical interlocking contactor; two mechanical interlocking contactors on a first security inspection power line are correspondingly interlocked with a first mechanical interlocking contactor on a second security inspection power line and a second mechanical interlocking contactor on a third security inspection power line one by one; and the second mechanical interlocking contactor on the second security inspection power line is correspondingly interlocked with the first mechanical interlocking contactor on the third security inspection power line.
Preferably, the number N of the security inspection power lines of the security inspection equipment is 2, and each security inspection power line is connected in series with 1 normally open contact of the mechanical interlocking contactor; and the mechanical interlocking contactor on the first security inspection power line is correspondingly interlocked with the mechanical interlocking contactor on the second security inspection power line.
Further, the commodity inspection contactor on the commodity inspection power line connected with the test terminal on the same test station is mechanically interlocked with the safety inspection contactor on the safety inspection power line.
Still further, the both ends of the coil of each safety inspection contactor are connected in parallel with indicator lamps, and the both ends of the coil of each commodity inspection contactor are also connected in parallel with indicator lamps.
Preferably, the test system further comprises a controller, and the controller controls the on-off of each security inspection starting switch and each commodity inspection starting switch respectively.
Furthermore, two ends of each safety inspection starting switch are connected with a safety inspection manual switch in parallel; two ends of each commodity inspection starting switch are connected in parallel with a commodity inspection manual switch.
Based on the design of the test system, the invention also provides a test method, which comprises the following steps:
the equipment to be tested is placed on the test bench and connected with the test terminal of the test bench;
controlling the corresponding security check starting switch to be closed and the corresponding commodity check starting switch to be opened, conducting a security check power line between the security check equipment and the test terminal, and carrying out security check test on the equipment to be tested by the security check equipment;
after the safety inspection test is finished, the corresponding safety inspection starting switch is controlled to be switched off and the commodity inspection starting switch is controlled to be switched on, a commodity inspection power line between the commodity inspection equipment and the test terminal is switched on, and the commodity inspection equipment carries out commodity inspection test on the equipment to be tested.
Compared with the prior art, the invention has the advantages and positive effects that: according to the test system and the test method, when the test station needs to carry out security check test, the test terminal of the test station is controlled to be connected with the security check power line between the security check equipment, and the test terminal of the test station is controlled to be disconnected with the commodity check power line between the commodity check equipment, so that the commodity check equipment is isolated from the security check equipment, and the commodity check equipment is prevented from being impacted by high voltage in the security check test process; in addition, other safety inspection power lines of the safety inspection equipment are disconnected, so that the phenomenon that other test stations are electrified simultaneously to cause electric shock of personnel is avoided; when the test station needs to carry out a commodity inspection test, the commodity inspection power line between the test terminal of the test station and the commodity inspection equipment is controlled to be conducted, and the safety inspection power line between the test terminal of the test station and the safety inspection equipment is controlled to be disconnected, so that the commodity inspection equipment and the safety inspection equipment are isolated, the commodity inspection equipment is prevented from being impacted by high voltage in the commodity inspection test process, and the electric shock of a tester is avoided; therefore, the test system and the test method improve the test safety and ensure the safety of equipment and personnel.
Other features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention when taken in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a prior art circuit diagram;
FIG. 2 is a block diagram of an overall control circuit of an embodiment of the test system of the present invention;
FIG. 3 is a schematic circuit diagram of the power supply lines for the coils of the security check contactor and the commercial check contactor of the test system proposed by the present invention;
FIG. 4 is a schematic circuit diagram of a power supply line of the coils of the safety inspection relay and the commercial inspection relay of the test station 1 of the test system proposed by the present invention;
FIG. 5 is a schematic circuit diagram of a power supply line of the coils of the safety inspection relay and the commercial inspection relay of the test station 2 of the test system proposed by the present invention;
FIG. 6 is a schematic circuit diagram of a power supply line of the coils of the safety inspection relay and the commercial inspection relay of the test station 3 of the test system proposed by the present invention;
FIG. 7 is a detailed flowchart of one embodiment of the testing method of the present invention.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
The test system of the embodiment mainly comprises a security check device and N commodity check devices corresponding to the security check device, wherein the N commodity check devices are correspondingly arranged on N test stations one by one, and N is an integer larger than or equal to 2. Namely, each test station is provided with a commodity inspection device, N test stations are provided with N commodity inspection devices, and the N commodity inspection devices are provided with a security inspection device. The N test stations are sequentially marked as: test station 1, test station 2, … …, test station N.
And each test station is provided with a test terminal, and the test terminals are used for connecting equipment to be tested. The test terminal on every test bench position all examines the equipment through the commodity inspection power cord connection correspondence, all establishes ties the normally open contact who examines the contactor on every commodity inspection power cord. The test terminal on each test station is connected with security check equipment through a security check power line, and a normally open contact of a security check contactor is connected in series on each security check power line; namely, the security inspection equipment is provided with N security inspection power lines which are correspondingly connected with the test terminals on the N test stations one by one.
To the commodity inspection contactor on the commodity inspection power cord and the security check contactor on the security check power cord of connecting the test terminal on same test bench position: the normally closed contact of the commodity inspection contactor and the normally open contact of the safety inspection relay are connected in series in the power supply line of the coil of the safety inspection contactor, and the normally closed contact of the safety inspection contactor and the normally open contact of the commodity inspection relay are connected in series in the power supply line of the coil of the commodity inspection contactor. A power supply line of a coil of the commodity inspection relay is connected in series with a commodity inspection starting switch and a normally closed contact of the security inspection relay. A safety inspection starting switch, a normally closed contact of the commodity inspection relay and normally closed contacts of safety inspection relays on power supply lines of coils of safety inspection contactors on other safety inspection power lines are connected in series in a power supply line of the coil of the safety inspection relay.
Referring to fig. 2 to 6, for example, when a device under test on the test station 1 needs to be subjected to a security inspection test, the corresponding security inspection start switch S11 is closed, and the corresponding commodity inspection start switch S21 is opened;
therefore, a power supply line of a coil of the business inspection relay KA2 is disconnected, the business inspection relay KA2 loses power, a normally open contact of the business inspection relay KA2 is disconnected, and a normally closed contact of the business inspection relay KA2 is closed; a power supply line of a coil of the security inspection relay KA1 is conducted, the security inspection relay KA1 is electrified, a normally open contact of the security inspection relay KA1 is closed, and a normally closed contact of the security inspection relay KA1 is opened;
furthermore, the power supply line of the coil of the commercial inspection contactor KM8 is disconnected, the commercial inspection contactor KM8 loses power, the normally open contact of the commercial inspection contactor KM8 is disconnected, and the normally closed contact of the commercial inspection contactor KM8 is closed; the power supply line of the coil of the security check contactor KM7 is conducted, the security check contactor KM7 is electrified, the normally open contact of the security check contactor KM7 is closed, and the normally closed contact of the security check contactor KM7 is disconnected;
therefore, the safety inspection power line switches on, the commodity inspection power line breaks off, and safety inspection equipment carries out the safety inspection test to equipment of treating, because the commodity inspection power line breaks off for the commodity inspection equipment and the safety inspection equipment of test bench position 1 are kept apart, avoid safety inspection test in-process commodity inspection equipment to receive high-pressure impact. Simultaneously, because the normally closed contact disconnection of this safety inspection relay, and the normally closed contact series connection of this safety inspection relay is on the power supply line of the coil of the safety inspection relay on the power supply line of the coil of the safety inspection contactor on other safety inspection power cords, consequently, the safety inspection contactor on other safety inspection power cords loses electricity, its normally open contact disconnection, other safety inspection power cords disconnection, avoid the test terminal on other test stations electrified, avoid the tester mistake to electrocute, the test safety has been improved, equipment and personnel's security has been guaranteed.
When the equipment to be tested on the test bench 1 needs to be subjected to commodity inspection test, closing the corresponding commodity inspection starting switch S21 and opening the safety inspection starting switch S11;
therefore, a power supply line of a coil of the safety inspection relay KA1 is disconnected, the safety inspection relay KA1 loses power, a normally open contact of the safety inspection relay KA1 is disconnected, and a normally closed contact of the safety inspection relay KA1 is closed; a power supply line of a coil of the commodity inspection relay KA2 is conducted, the commodity inspection relay KA2 is electrified, a normally open contact of the commodity inspection relay KA2 is closed, and a normally closed contact of the commodity inspection relay KA2 is opened;
furthermore, the power supply line of the coil of the security inspection contactor KM7 is disconnected, the security inspection contactor KM7 loses power, the normally open contact of the security inspection contactor KM7 is disconnected, and the normally closed contact of the security inspection contactor KM7 is closed; the power supply line of the coil of the commercial inspection contactor KM8 is conducted, the commercial inspection contactor KM8 is electrified, the normally open contact of the commercial inspection contactor KM8 is closed, and the normally closed contact of the commercial inspection contactor KM8 is disconnected;
consequently, safety inspection power cord disconnection, commodity inspection power cord switch on, and commodity inspection equipment carries out the commodity inspection test to equipment of treating, because the disconnection of safety inspection power cord for the commodity inspection equipment and the safety inspection equipment of test bench position 1 are kept apart, and commodity inspection equipment receives high-pressure impact, tester's electric shock by mistake in the avoided commodity inspection test procedure.
The test system of this embodiment, through the break-make of control security installations starting switch and commodity inspection starting switch, then the break-make of control security installations relay and commodity inspection relay to the break-make of the contactor among the control circuit realizes the on-off control of security installations power cord and commodity inspection power cord. When the test station needs to carry out security check test, controlling a security check power line between a test terminal of the test station and security check equipment to be conducted, and disconnecting a commodity check power line between the test terminal of the test station and the commodity check equipment, so that the commodity check equipment is isolated from the security check equipment, and the commodity check equipment is prevented from being impacted by high voltage in the security check test process; and other safety inspection power cords of the safety inspection equipment are all disconnected, so that the phenomenon that other test table positions are electrified simultaneously to cause people to get an electric shock by mistake is avoided. When the test bench position need carry out the commodity inspection test, the commodity inspection power cord between the test terminal of control this test bench position and the commodity inspection equipment switches on, and the test terminal of this test bench position and the safety inspection power cord disconnection between the safety inspection equipment for the commodity inspection equipment is kept apart with the safety inspection equipment, avoids commodity inspection equipment to receive high-pressure impact among the commodity inspection test process, avoids the tester to electrocute by mistake. Therefore, the test system of the embodiment improves the safety of the security inspection test and the commodity inspection test through the ingenious circuit design, and ensures the safety of equipment and personnel; the safety inspection device has the advantages that the safety inspection device is equipped with a plurality of commodity inspection devices, the working hours are saved on the basis that the occupied area is not increased, the production efficiency is improved, and meanwhile, the safety of personnel and equipment can be ensured.
In order to further improve the safety during the test, in the embodiment, each security inspection power line of the security inspection equipment is connected with at least one normally open contact of a contactor (such as KM1 in FIG. 2) in series; the coil of the contactor is connected in parallel with the coil of a security check contactor (KM 7 in figures 2 and 3) on the same security check power line; the normally closed contact of the contactor is connected in series with the normally closed contact of a security inspection contactor (KM 7 in figure 3) on the same security inspection power line. When a security inspection test is required, a security inspection relay (such as KA1) is electrified, a normally open contact of the security inspection relay is closed, a coil of the contactor is electrified, a coil of a security inspection contactor (such as KM7) is electrified, a normally closed contact of the contactor is opened, and a normally closed contact of the security inspection contactor (such as KM7) is opened; therefore, the coil of the commodity inspection contactor (such as KM8) connected with the same test terminal with the security inspection contactor (such as KM7) is powered off, the normally open contact of the commodity inspection contactor (such as KM8) is disconnected, and the commodity inspection power line is disconnected, so that the commodity inspection equipment is isolated from the security inspection equipment, and the high-voltage impact on the commodity inspection equipment in the security inspection test process is avoided. The coil of the commodity inspection contactor (such as KM8) can be powered off as long as one of the normally closed contact of the security inspection contactor and the normally closed contact of the contactor is disconnected, and electric shock accidents caused by adhesion of one of the security inspection contactor or the contactor are avoided.
Each security inspection power line of the security inspection equipment is connected with the normally open contacts of N-1 contactors in series; the coils of the N-1 contactors are respectively connected in parallel with the coils of the security inspection contactors on the same security inspection power line; and the normally closed contacts of the N-1 contactors are connected in series with the normally closed contacts of the security inspection contactors on the same security inspection power line. And N-1 contactors on each safety inspection power line are mechanically interlocked with the contactors on the other N-1 safety inspection power lines in a one-to-one correspondence manner. This N-1 contactor on every safety inspection power cord is mechanical interlocking formula contactor promptly, is provided with mechanical interlocking module between two contactors, installs in the mounting groove that the contactor was reserved for two contactors realize mechanical interlocking, and the normally open contact of these two contactors promptly can not be closed simultaneously, if the normally open contact of one of them contactor is closed, the normally open contact disconnection of another contactor. Through the design, two or more security check power lines are further prevented from being conducted simultaneously, only one security check power line can be conducted at a time, and the safety of the test is further improved.
The commodity inspection contactor on the commodity inspection power cord of the test terminal on the same test bench and the safety inspection contactor on the safety inspection power cord of connection carry out mechanical interlocking, further avoid commodity inspection power cord and safety inspection power cord on the same test bench to switch on simultaneously for commodity inspection equipment keeps apart with safety inspection equipment, avoids commodity inspection equipment to receive high-pressure impact.
As a preferred design scheme of this embodiment, the number N of security inspection power lines of the security inspection device is 2, that is, one security inspection device corresponds to two commercial inspection devices, and each security inspection power line is connected in series with 1 normally open contact of the mechanical interlocking contactor; the mechanical interlocking contactor on the first security check power line and the mechanical interlocking contactor on the second security check power line are correspondingly interlocked, so that the safety of security check testing and commodity check testing is realized when two commodity check devices are provided with one security check device.
As another preferred design scheme of this embodiment, the number N of the security inspection power lines of the security inspection device is 3, that is, one security inspection device corresponds to three commercial inspection devices, and each security inspection power line is connected in series with 2 normally open contacts of the mechanical interlocking contactor; two mechanical interlocking contactors on a first security inspection power line are correspondingly interlocked with a first mechanical interlocking contactor on a second security inspection power line and a second mechanical interlocking contactor on a third security inspection power line one by one; and the second mechanical interlocking contactor on the second safety check power line is correspondingly interlocked with the first mechanical interlocking contactor on the third safety check power line, so that the safety check test and the safety check test are safe when three pieces of business check equipment are provided with one piece of safety check equipment.
In order to facilitate the on-off control of the security inspection starting switch and the commodity inspection starting switch, the test system further comprises a controller, such as a PLC, wherein the controller controls the on-off of each security inspection starting switch and each commodity inspection starting switch respectively.
In order to facilitate manual tests of security check tests and commodity check tests, two ends of each security check starting switch are connected in parallel with a security check manual switch, and two ends of each commodity check starting switch are connected in parallel with a commodity check manual switch.
Next, a detailed description is given of the specific structure and principle of the test system of this embodiment, taking an example that one security inspection device corresponds to three commodity inspection devices.
The commodity inspection equipment is powered by the variable frequency power supply and carries out commodity inspection test on the equipment to be tested. The safety inspection equipment is internally provided with a transformer which provides different working voltages and working currents to carry out safety inspection on the equipment to be inspected. And a bar code is distributed on each device to be tested, and the bar code comprises various information such as the model and the ID of the device. And a bar code scanner is arranged on each test station and used for scanning bar codes and acquiring information of the equipment to be tested.
The test bench 1 is provided with a commodity inspection device 1, the test bench 2 is provided with a commodity inspection device 2, and the test bench 3 is provided with a commodity inspection device 3. The security inspection equipment performs security inspection tests on the equipment to be tested on the test station 1, the test station 1 and the test station 3, which is shown in fig. 2.
The test terminal of test bench position 1 passes through the security check power cord and connects security check equipment, and the test terminal passes through the commodity inspection power cord and connects commodity check equipment 1. A normally open contact of a security inspection contactor KM7, a normally open contact of a mechanical interlocking contactor KM1 and a normally open contact of a mechanical interlocking contactor KM5 are connected in series on a security inspection power line; the normally open contact of the commercial inspection contactor KM8 is connected in series with the commercial inspection power line.
The test terminal of test bench position 2 passes through the security check power cord and connects security check equipment, and the test terminal passes through the commodity inspection power cord and connects commodity inspection equipment 2. A normally open contact of a security inspection contactor KM9, a normally open contact of a mechanical interlocking contactor KM2 and a normally open contact of a mechanical interlocking contactor KM3 are connected in series on a security inspection power line; the normally open contact of the commercial inspection contactor KM10 is connected in series with the commercial inspection power line.
The test terminal of test bench position 3 passes through the security check power cord and connects security check equipment, and the test terminal passes through the commodity inspection power cord and connects commodity check equipment 3. A normally open contact of a security inspection contactor KM11, a normally open contact of a mechanical interlocking contactor KM4 and a normally open contact of a mechanical interlocking contactor KM6 are connected in series on a security inspection power line; the normally open contact of the commercial inspection contactor KM12 is connected in series with the commercial inspection power line.
KM1 and KM2 were mechanically interlocked, KM3 and KM4 were mechanically interlocked, KM5 and KM6 were mechanically interlocked, KM7 and KM8 were mechanically interlocked, KM9 and KM10 were mechanically interlocked, and KM11 and KM12 were mechanically interlocked.
Referring to fig. 3, a normally closed contact of a commercial inspection contactor KM8 and a fourth normally open contact KA1-4 of a security inspection relay KA1 are connected in series in a power supply line of a coil of a security inspection contactor KM 7; the coil of the contactor KM1, the coil of the contactor KM5 and the coil of the security inspection contactor KM7 were connected in parallel. A normally closed contact of a security inspection contactor KM7 and a second normally open contact KA2-2 of a commerce inspection relay KA2 are connected in series in a power supply line of a coil of the commerce inspection contactor KM 8; the normally closed contact of the contactor KM1, the normally closed contact of the contactor KM5 and the normally closed contact of the security inspection contactor KM7 were connected in series.
A normally closed contact of a commercial inspection contactor KM10 and a fourth normally open contact KA3-4 of a security inspection relay KA3 are connected in series in a power supply line of a coil of the security inspection contactor KM 9; the coil of the contactor KM2, the coil of the contactor KM3 and the coil of the security inspection contactor KM9 were connected in parallel. A normally closed contact of a security inspection contactor KM9 and a second normally open contact KA4-2 of a commerce inspection relay KA4 are connected in series in a power supply line of a coil of the commerce inspection contactor KM 10; the normally closed contact of the contactor KM2, the normally closed contact of the contactor KM3 and the normally closed contact of the security inspection contactor KM9 were connected in series.
A normally closed contact of a commercial inspection contactor KM12 and a fourth normally open contact KA5-4 of a security inspection relay KA5 are connected in series in a power supply line of a coil of the security inspection contactor KM 11; the coil of the contactor KM4, the coil of the contactor KM6 and the coil of the security inspection contactor KM11 were connected in parallel. A normally closed contact of a security inspection contactor KM11 and a second normally open contact KA6-2 of a commerce inspection relay KA6 are connected in series in a power supply line of a coil of the commerce inspection contactor KM 12; the normally closed contact of the contactor KM4, the normally closed contact of the contactor KM6 and the normally closed contact of the security inspection contactor KM11 were connected in series.
Referring to fig. 4, a power supply line of a coil of the security inspection relay KA1 is connected in series with a security inspection starting switch S11, a first normally closed contact KA2-1 of a commodity inspection relay KA2, a first normally closed contact KA3-1 of a security inspection relay KA3 and a first normally closed contact KA5-1 of a security inspection relay KA 5. Two ends of the security inspection starting switch S11 are connected in parallel with a security inspection manual switch SA 1. A power supply line of a coil of the commodity inspection relay KA2 is connected with a commodity inspection starting switch S21 and a first normally closed contact KA1-1 of the security inspection relay KA1 in series. Two ends of the commodity inspection starting switch S21 are connected in parallel with a commodity inspection manual switch SA 1-1.
Referring to fig. 5, a power supply line of a coil of the security inspection relay KA3 is connected in series with a security inspection starting switch S31, a first normally closed contact KA4-1 of a commodity inspection relay KA4, a second normally closed contact KA1-2 of the security inspection relay KA1 and a second normally closed contact KA5-2 of a security inspection relay KA 5. Two ends of the security inspection starting switch S31 are connected in parallel with a security inspection manual switch SA 2. A power supply line of a coil of the commodity inspection relay KA4 is connected with a commodity inspection starting switch S41 and a second normally closed contact KA3-2 of the security inspection relay KA3 in series. Two ends of the commodity inspection starting switch S41 are connected in parallel with a commodity inspection manual switch SA 2-1.
Referring to fig. 6, a power supply line of a coil of the security inspection relay KA5 is connected in series with a security inspection starting switch S51, a first normally closed contact KA6-1 of a commodity inspection relay KA6, a third normally closed contact KA1-3 of the security inspection relay KA1 and a third normally closed contact KA3-3 of a security inspection relay KA 3. Two ends of the security inspection starting switch S51 are connected in parallel with a security inspection manual switch SA 3. A power supply line of a coil of the commodity inspection relay KA6 is connected with a commodity inspection starting switch S61 and a third normally closed contact KA5-3 of the security inspection relay KA5 in series. Two ends of the commodity inspection starting switch S61 are connected in parallel with a commodity inspection manual switch SA 3-1.
The relay in the embodiment is driven by DC24V, that is, a 24V direct current power supply supplies power to the relay; the contactor is an alternating current contactor, and the driving voltage of the alternating current contactor is AC220V, namely the contactor is powered by 220V alternating current.
In this embodiment, on each test station, a security check test is performed on each device under test, and then a commodity inspection test is performed.
And (4) security inspection test of the test station 1: the device to be tested enters the test platform position 1, a bar code of the device to be tested is scanned, the PLC controls the security inspection starting switch S11 to be closed, the commodity inspection starting switch S21 to be opened, the commodity inspection relay KA2 is powered off, the normally closed contact KA2-1 is closed, the normally open contact KA2-2 is opened, the security inspection relay KA1 is powered on, the normally closed contacts KA1-1, KA1-2 and KA1-3 are opened, and the normally open contact KA1-4 is closed. This will produce the following results:
(1) normally closed contact KA1-1 of security inspection relay KA1 is connected in series on the power supply line of the coil of relay KA2, the coil of KA2 cannot be powered up due to the disconnection of KA1-1, the fact that KA2 cannot act is further guaranteed, normally closed contact KA2-1 is closed, normally open contact KA2-2 is disconnected, KA2-2 is connected in series in the power supply line of the coil of a business inspection contactor KM8, therefore, KM8 loses power, the normally open contact is disconnected, the business inspection power line of test station 1 is disconnected, the business inspection equipment and the security inspection equipment of test station 1 are isolated, and the fact that the business inspection equipment 1 is impacted by high voltage in the security inspection test process is avoided.
(2) Normally closed contacts KA1-2 of a security inspection relay KA1 are connected in series to a power supply circuit of a coil of a security inspection relay KA3, the coil of KA3 cannot be powered up due to the fact that the coil of KA1-2 is disconnected, normally closed contacts KA3-1, KA3-2 and KA3-3 are closed, normally open contacts KA3-4 are disconnected, and KA3-4 are connected in series to power supply circuits of coils of contactors KM2, KM3 and KM9, therefore, the KM2, KM3 and KM9 are powered off, normally open contacts of KM2, KM3 and KM9 are disconnected, and therefore the security inspection power line of a test station 2 is disconnected, and the situation that people get an electric shock by mistake due to the fact that the test station 2 is electrified simultaneously in the security inspection test of.
(3) Normally closed contacts KA1-3 of a security inspection relay KA1 are connected in series to a power supply circuit of a coil of a security inspection relay KA5, the coil of KA5 cannot be powered up due to the fact that the coil of KA1-3 is disconnected, normally closed contacts KA5-1, KA5-2 and KA5-3 are closed, normally open contacts KA5-4 are disconnected, and KA5-4 are connected in series to power supply circuits of coils of contactors KM4, KM6 and KM11, therefore, the KM4, KM6 and KM11 are powered off, normally open contacts of KM4, KM6 and KM11 are disconnected, and therefore the security inspection power line of the test station 3 is disconnected, and the situation that people get an electric shock by mistake due to the fact that the test station 3 is electrified simultaneously in the security inspection test of.
(4) A normally open contact KA1-4 of a security inspection relay KA1 is connected in series with a power supply circuit of coils of contactors KM1, KM5 and KM7, the coils of KM1, KM5 and KM7 are powered on due to the closing of KA1-4, normally open contacts of KM1, KM5 and KM7 are closed, and a security inspection test is started at a test station position 1.
And (4) commodity inspection test of the test station 1: after the security inspection of the test table position 1 is finished, the PLC controls the security inspection starting switch S11 to be switched off and the commodity inspection starting switch S21 to be switched on, the security inspection relay KA1 loses power, the normally closed contacts KA1-1, KA1-2 and KA1-3 are switched on, the normally open contact KA1-4 is switched off, the commodity inspection relay KA2 is powered on, the normally closed contact KA2-1 is switched off, and the normally open contact KA2-2 is switched on. This will produce the following results:
(1) normally closed contact KA2-1 of commodity inspection relay KA2 is connected in series with a power supply line of a coil of relay KA1, the relay KA1 cannot be powered on further through disconnection of KA2-1, normally open contact KA1-4 is disconnected, KA1-4 is connected in series with the power supply line of the coil of contactor KM1, KM5 and KM7, therefore, KM1, KM5 and KM7 are powered off, KM1, KM5 and KM7 normally open contacts are disconnected, so that a security inspection power line of test station 1 is disconnected, the commodity inspection equipment 1 of the test station 1 is isolated from the security inspection equipment, the commodity inspection equipment is prevented from being impacted by high voltage in the process of commodity inspection, and the test personnel are prevented from getting electric shock by mistake.
(2) The normally open contact KA2-2 of the commodity inspection relay KA2 is connected in series with a power supply line of a coil of the contactor KM8, the coil of the KM8 is powered on due to the closing of the KA2-2, the normally open contact of the KM8 is closed, and the commodity inspection equipment 1 conducts commodity inspection tests.
After the safety inspection of the test station 1 is finished, after S11 is disconnected, the relay KA1 is adhered, the test station cannot reset normally, the normally closed contact KA1-1 is in a disconnected state, the relay KA2 and the contactor KM8 cannot be powered on, a commodity inspection power line of the test station 1 is still disconnected, the commodity inspection equipment 1 cannot supply power, and the commodity inspection equipment 1 can give an alarm due to abnormal voltage at the beginning of the commodity inspection test.
After the commodity inspection test of the test station 1 is completed and S21 is disconnected, the relay KA2 is adhered, the test station cannot reset normally, the normally closed contact KA2-1 is in a disconnected state, the relay KA1 and the contactors KM1, KM5 and KM7 cannot be electrified, and a security inspection power line of the test station 1 is disconnected. When the next device to be tested enters the test station 1 for security test, the ground resistance test of the security test will give an alarm. The reason is that when the grounding resistance is tested, the line between the safety inspection equipment and the equipment to be tested needs to be conducted, otherwise, the safety inspection equipment can give an alarm.
In the embodiment, the safety of the test process is improved through the electrical interlocking of the contactors, and the safety of test personnel and equipment is ensured. For example, the normally closed contacts of the contactor KM8 are connected in series to the power supply lines of the coils of the contactors KM1, KM5 and KM7, and the normally closed contacts of the contactors KM1, KM5 and KM7 are connected in series to the power supply line of the coil of the contactor KM 8. During security inspection testing, the KM1, the KM5 and the KM7 are powered on, and the normally closed contacts of the KM1, the KM5 and the KM7 are disconnected, so that the KM8 cannot be powered on, and the normally open contact of the KM8 cannot be closed, so that the commodity inspection equipment 1 is isolated from the security inspection equipment, the condition that the commodity inspection equipment is impacted by high voltage in the security inspection testing process is avoided, and the test station 1 starts security inspection testing is realized. After the security inspection test is finished, the KM8 is powered on, the normally closed contact of the KM8 is disconnected, the contactors KM1, KM5 and KM7 are powered off, the commodity inspection equipment 1 is isolated from the security inspection equipment, and the commodity inspection test is started at the test station 1.
Assuming that after the security inspection test of the test station position 1 is completed, one of the contactors KM1, KM5 and KM7 is adhered, the KM8 cannot be powered on, the power line of the commercial inspection of the test station position 1 is disconnected, the commercial inspection equipment cannot supply power, and the commercial inspection can alarm due to abnormal voltage at the beginning.
Assuming that the contactor KM8 is adhered after the commodity inspection test of the test station position 1 is completed, the normally closed contacts cannot be closed, so that the contactors KM1, KM5 and KM7 cannot be powered on, the security inspection power line of the test station position 1 is disconnected, and when next equipment to be tested enters the test station position 1 for security inspection test, the ground resistance test of the security inspection test can give an alarm.
Besides the electrical interlock, in this embodiment, a mechanical interlock with higher reliability is also adopted to improve the safety of the test process and ensure the safety of the tester and the equipment. KM1 and KM2 were mechanically interlocked, KM3 and KM4 were mechanically interlocked, KM5 and KM6 were mechanically interlocked, KM7 and KM8 were mechanically interlocked, KM9 and KM10 were mechanically interlocked, and KM11 and KM12 were mechanically interlocked. The normally open contacts of the interlocked two contactors cannot be closed at the same time. When the test station position 1 is used for security inspection test, normally open contacts of the contactors KM1, KM5 and KM7 are closed, and normally open contacts of KM2, KM6 and KM8 are all disconnected, so that the isolation of the commodity inspection equipment 1 and the security inspection equipment is ensured, and security inspection power lines of the test station position 2 and the test station position 3 cannot be electrified to avoid electric shock. After the safety inspection test is completed, the normally open contacts of the contactors KM1, KM5 and KM7 are opened, the normally open contact of KM8 is closed, and the test station 1 starts the commodity inspection test.
Assuming that the contactor KM1 or KM5 is adhered and KM7 is normal after the security inspection of the test station 1 is finished, the normally open contact is disconnected due to the power failure of KM7, and the commodity inspection equipment 1 and the security inspection equipment are also in an isolated state, so that no danger is generated; if the KM7 is adhered, the normally open contact of the KM8 is disconnected, and the power line of the commodity inspection is disconnected, the commodity inspection equipment alarms due to abnormal voltage.
Assuming that after the commodity inspection test of the test station 1 is completed, the KM8 is adhered, the normally open contact of the KM7 cannot be closed, the security inspection power line of the test station 1 is disconnected, and the commodity inspection equipment 1 and the security inspection equipment are in an isolated state, so that danger cannot occur. When the next device to be tested enters the test station 1 for security test, the ground resistance test of the security test will give an alarm.
In this embodiment, the adhesion of the relay or the contactor means that the relay or the contactor cannot be normally powered off.
The principle of the other test stations is the same as that of test station 1. The working principle of the test station 2 and the test station 3 is briefly described below, and the detailed circuit working principle can be referred to the description of the test station 1, which is not described herein again.
And (4) security inspection test of the test station 2: the equipment to be tested enters the test platform position 2, the bar code of the equipment to be tested is scanned, the PLC controls the security inspection starting switch S31 to be closed and the commodity inspection starting switch S41 to be disconnected, the relays KA4, KA1 and KA5 are powered off, and the relay KA3 is powered on. This will produce the following results:
(1) relay KA4 falls to make contactor KM10 fall down, and the commodity inspection power cord disconnection of test bench position 2 to the commodity inspection equipment 2 and the safety inspection equipment of test bench position 2 are kept apart, avoid safety inspection test in-process commodity inspection equipment 2 to receive high-pressure impact.
(2) Relay KA1 loses power and makes contactor KM1, KM5 and KM7 lose power, and test station 1's safety inspection power cord disconnection avoids test station 2 to live simultaneously and leads to personnel's mistake to electrocute in the safety inspection test of test station 1.
(3) Relay KA5 loses power and makes contactor KM4, KM6 and KM11 lose power, and test station 3's safety inspection power cord disconnection avoids test station 2 to live in the safety inspection test simultaneously and leads to personnel's mistake to electrocute.
(4) The relay KA3 is electrified to electrify the KM2, the KM3 and the KM9, the security inspection power line of the test station 2 is conducted, and the test station 2 starts security inspection test.
And (4) commodity inspection test of the test station 2: after the safety inspection of the test table position 2 is finished, the PLC controls the safety inspection starting switch S31 to be switched off, the commodity inspection starting switch S41 to be switched on, the relay KA3 is powered off, and the KA4 is powered on. This will produce the following results:
(1) KA3 loses the electricity and makes KM2, KM3 and KM9 fall down for the safety inspection power cord disconnection of test bench position 2, thereby the commodity inspection equipment 2 and the safety inspection equipment of test bench position 2 are kept apart, avoid commodity inspection equipment 2 to receive high-pressure impact among the commodity inspection test process, avoid the tester to electrocute by mistake.
(2) And the KA4 is electrified to ensure that the KM10 is electrified, the commodity inspection power line of the test station 2 is conducted, and the commodity inspection test of the test station 2 is started.
And (4) security inspection test of the test station 3: the equipment to be tested enters the test platform position 3, the bar code of the equipment to be tested is scanned, the PLC controls the security inspection starting switch S51 to be closed and the commodity inspection starting switch S61 to be disconnected, the relays KA6, KA1 and KA3 are powered off, and the relay KA5 is powered on. This will produce the following results:
(1) relay KA6 falls to make contactor KM12 fall down, and the commodity inspection power cord disconnection of test bench position 3 to the commodity inspection equipment 3 and the safety inspection equipment of test bench position 3 are kept apart, avoid among the safety inspection test process commodity inspection equipment 3 to receive high-pressure impact.
(2) Relay KA1 loses power and makes contactor KM1, KM5 and KM7 lose power, and test station 1's safety inspection power cord disconnection avoids test station 3 to live simultaneously and leads to personnel's mistake to electrocute in the safety inspection test of test station 1.
(3) Relay KA3 loses power and makes contactor KM2, KM3 and KM9 lose power, and the safety inspection power cord of test bench position 2 cuts off, avoids test bench position 2 to be electrified simultaneously in 3 safety inspection tests of test bench position to lead to personnel's mistake to electrocute.
(4) When the relay KA5 is powered on, the contactors KM4, KM6 and KM11 are powered on, the security inspection power line of the test station 3 is conducted, and the test station 3 starts security inspection test.
And (4) commodity inspection test of the test station 3: after the safety inspection of the test table position 3 is finished, the PLC controls the safety inspection starting switch S51 to be switched off, the commodity inspection starting switch S61 to be switched on, the KA5 is powered off, and the KA6 is powered on. This will produce the following results:
(1) KA5 loses the electricity and makes contactor KM4, KM6 and KM11 lose the electricity for the safety inspection power cord disconnection of test bench position 3, thereby test bench position 3's commodity inspection equipment 3 and safety inspection equipment are kept apart, avoid commodity inspection equipment 3 to receive high-pressure impact among the commodity inspection test process, avoid the tester to electrocute by mistake.
(2) And the KA6 is electrified to electrify the contactor KM12, the commodity inspection power line of the test station 3 is conducted, and the commodity inspection test of the test station 3 is started.
In this embodiment, the safety inspection equipment carries out the safety inspection test to each test bench position in proper order, and the commodity inspection equipment on each test bench position can carry out the commodity inspection test simultaneously.
According to the embodiment, circuit switching control is safely realized through ingenious circuit design, the safety and reliability of the test process are improved, electric shock of personnel and equipment damage are avoided, a plurality of commodity inspection equipment share one safety inspection equipment, and equipment investment and occupied area are saved; moreover, after the safety inspection test and the commodity inspection test are combined, the production efficiency is improved.
In order to prompt a tester, the two ends of the coil of each safety inspection contactor are connected in parallel with indicator lamps, and the two ends of the coil of each commodity inspection contactor are also connected in parallel with indicator lamps.
In particular, the present invention relates to a method for producing,
and indicator lamps HR1 are connected in parallel at two ends of a coil of the KM7, and when a normally open contact KA1-4 of a relay KA1 is closed, the coil of the KM7 is electrified, and the indicator lamps HR1 are lightened and used for prompting a tester to start a security inspection test on the test stand 1.
And indicator lamps HR2 are connected in parallel at two ends of a coil of the KM8, and when a normally open contact KA2-2 of the relay KA2 is closed, the coil of the KM8 is electrified, and the indicator lamps HR2 are lightened and used for prompting a tester to start a commodity inspection test on the test table 1.
And indicator lamps HR3 are connected in parallel at two ends of the coil of the KM9, and when a normally open contact KA3-4 of a relay KA3 is closed, the coil of the KM9 is electrified, and the indicator lamps HR3 are lightened and used for prompting a tester to start a security inspection test on the test stand 2.
And indicator lamps HR4 are connected in parallel at two ends of a coil of the KM10, and when a normally open contact KA4-2 of the relay KA4 is closed, the coil of the KM10 is electrified, and the indicator lamps HR4 are lightened and used for prompting a tester to start a commodity inspection test on the test table 2.
And indicator lamps HR5 are connected in parallel at two ends of a coil of the KM11, and when a normally open contact KA5-4 of a relay KA5 is closed, the coil of the KM11 is electrified, and the indicator lamps HR5 are lightened and used for prompting a tester to start a security inspection test on the test stand 3.
And indicator lamps HR6 are connected in parallel at two ends of a coil of the KM12, and when a normally open contact KA6-2 of the relay KA6 is closed, the coil of the KM12 is electrified, and the indicator lamps HR6 are lightened and used for prompting a tester to start a commodity inspection test on the test table 3.
When the test bench 1 needs to perform the security check test manually, the security check starting switch S11 and the commodity check starting switch S21 are both opened, and the security check manual switch SA1 is closed and the commodity check manual switch SA1-1 is opened.
When the test bench 1 needs to manually carry out the commodity inspection test, the security inspection starting switch S11 and the commodity inspection starting switch S21 are both switched off, the security inspection manual switch SA1 is switched off, and the commodity inspection manual switch SA1-1 is switched on.
When the test station 2 and the test station 3 need to perform security check test and commodity check test manually, the control principle is similar to that of the test station 1, and the details are not repeated here.
In the embodiment, the PLC controls the on-off of the security inspection starting switch and the commodity inspection starting switch, and then controls the on-off of the relay, and the on-off of the relay controls the on-off of the contactor, so that the on-off control of the whole circuit is realized, and the on-off control of a security inspection power line and a commodity inspection power line is realized; through ingenious circuit design, realized that many commodity inspection equipment is total to be a safety inspection equipment, on the basis that does not increase area, practice thrift man-hour, improved production efficiency, can also ensure the safety of personnel and equipment simultaneously.
The test system of the embodiment is suitable for security inspection tests and commodity inspection tests of indoor units and outdoor units of air conditioners and other equipment needing security inspection tests and commodity inspection tests.
Based on the design of the test system, the present embodiment further provides a test method, which specifically includes the following steps, as shown in fig. 7.
Step S1: the device to be tested is placed on the test bench and connected with the test terminal of the test bench, the bar code of the device to be tested is scanned, and the information of the device to be tested is obtained.
Step S2: and controlling the corresponding security check starting switch to be switched on and the corresponding commodity check starting switch to be switched off, switching on a security check power line between the security check equipment and the test terminal, and carrying out security check test on the equipment to be tested by the security check equipment.
When the test bench position need carry out the security check test, control the security check power cord between the test terminal of this test bench position and the security check equipment and switch on, the commodity inspection power cord disconnection between the test terminal of this test bench position and the commodity inspection equipment for the commodity inspection equipment is kept apart with the security check equipment, avoids in the security check test process commodity inspection equipment to receive high-pressure impact. And other safety inspection power cords of the safety inspection equipment are all disconnected, so that the phenomenon that other test table positions are electrified simultaneously to cause people to get an electric shock by mistake is avoided.
Step S3: after the safety inspection test is finished, the corresponding safety inspection starting switch is controlled to be switched off and the commodity inspection starting switch is controlled to be switched on, a commodity inspection power line between the commodity inspection equipment and the test terminal is switched on, and the commodity inspection equipment carries out commodity inspection test on the equipment to be tested.
When the test bench position need carry out the commodity inspection test, the commodity inspection power cord between the test terminal of control this test bench position and the commodity inspection equipment switches on, and the test terminal of this test bench position and the safety inspection power cord disconnection between the safety inspection equipment for the commodity inspection equipment is kept apart with the safety inspection equipment, avoids commodity inspection equipment to receive high-pressure impact among the commodity inspection test process, avoids the tester to electrocute by mistake.
The working process of the specific test method has already been described in detail in the test system, and is not described herein again.
The test method of the embodiment improves the safety of the security inspection test and the commodity inspection test, and ensures the safety of equipment and personnel.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (10)
1. A test system, characterized by: the system comprises a security check device and N commodity check devices corresponding to the security check device, wherein the N commodity check devices are correspondingly arranged on N test stations one by one, and N is an integer more than or equal to 2;
each test station is provided with a test terminal which is connected with equipment to be tested;
the test terminal on each test station is connected with corresponding commodity inspection equipment through a commodity inspection power line, and a normally open contact of a commodity inspection contactor is connected in series on each commodity inspection power line;
the test terminal on each test station is connected with security check equipment through a security check power line, and a normally open contact of a security check contactor is connected in series on each security check power line;
to the commodity inspection contactor on the commodity inspection power cord and the security check contactor on the security check power cord of connecting the test terminal on same test bench position:
a normally closed contact of the commodity inspection contactor and a normally open contact of the safety inspection relay are connected in series in a power supply line of a coil of the safety inspection contactor, and the normally closed contact of the safety inspection contactor and the normally open contact of the commodity inspection relay are connected in series in a power supply line of the coil of the commodity inspection contactor;
a power supply line of a coil of the commodity inspection relay is connected in series with a commodity inspection starting switch and a normally closed contact of the security inspection relay;
a safety inspection starting switch, a normally closed contact of the commodity inspection relay and normally closed contacts of safety inspection relays on power supply lines of coils of safety inspection contactors on other safety inspection power lines are connected in series in a power supply line of the coil of the safety inspection relay.
2. The test system of claim 1, wherein: each security inspection power line of the security inspection equipment is at least connected in series with a normally open contact of a contactor;
the coil of the contactor is connected in parallel with the coil of the security inspection contactor on the same security inspection power line;
and the normally closed contact of the contactor is connected in series with the normally closed contact of the security inspection contactor on the same security inspection power line.
3. The test system of claim 1, wherein: each security inspection power line of the security inspection equipment is connected with the normally open contacts of N-1 contactors in series;
the N-1 contactors on each safety inspection power line are in one-to-one correspondence with the contactors on the other N-1 safety inspection power lines for mechanical interlocking;
the coils of the N-1 contactors are respectively connected in parallel with the coils of the security inspection contactors on the same security inspection power line;
and the normally closed contacts of the N-1 contactors are connected in series with the normally closed contacts of the security inspection contactors on the same security inspection power line.
4. The test system of claim 3, wherein: the number N of the security inspection power lines of the security inspection equipment is 3, and each security inspection power line is connected with 2 normally open contacts of the mechanical interlocking contactor in series;
two mechanical interlocking contactors on a first security inspection power line are correspondingly interlocked with a first mechanical interlocking contactor on a second security inspection power line and a second mechanical interlocking contactor on a third security inspection power line one by one;
and the second mechanical interlocking contactor on the second security inspection power line is correspondingly interlocked with the first mechanical interlocking contactor on the third security inspection power line.
5. The test system of claim 3, wherein: the number N of the security inspection power lines of the security inspection equipment is 2, and each security inspection power line is connected with 1 normally open contact of the mechanical interlocking contactor in series;
and the mechanical interlocking contactor on the first security inspection power line is correspondingly interlocked with the mechanical interlocking contactor on the second security inspection power line.
6. The test system of claim 1, wherein: and the commodity inspection contactor on the commodity inspection power line connected with the test terminal on the same test station is mechanically interlocked with the security inspection contactor on the security inspection power line.
7. The test system of claim 1, wherein: and the two ends of the coil of each safety inspection contactor are connected with an indicator lamp in parallel, and the two ends of the coil of each commodity inspection contactor are also connected with the indicator lamp in parallel.
8. The test system of claim 1, wherein: the test system further comprises a controller, and the controller controls the on-off of each security inspection starting switch and each commodity inspection starting switch respectively.
9. The test system of claim 8, wherein: two ends of each security inspection starting switch are connected with a security inspection manual switch in parallel; two ends of each commodity inspection starting switch are connected in parallel with a commodity inspection manual switch.
10. A test method based on the test system of any one of the preceding claims 1 to 9, characterized in that: the test method comprises the following steps:
the equipment to be tested is placed on the test bench and connected with the test terminal of the test bench;
controlling the corresponding security check starting switch to be closed and the corresponding commodity check starting switch to be opened, conducting a security check power line between the security check equipment and the test terminal, and carrying out security check test on the equipment to be tested by the security check equipment;
after the safety inspection test is finished, the corresponding safety inspection starting switch is controlled to be switched off and the commodity inspection starting switch is controlled to be switched on, a commodity inspection power line between the commodity inspection equipment and the test terminal is switched on, and the commodity inspection equipment carries out commodity inspection test on the equipment to be tested.
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| CN110994367B (en) * | 2019-11-19 | 2021-12-07 | 北京航星机器制造有限公司 | Simple distribution board for peripheral circuit of security check machine |
| CN111596186B (en) * | 2020-06-24 | 2024-06-25 | 四川九洲线缆有限责任公司 | Cable detection tool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001176367A (en) * | 1999-12-22 | 2001-06-29 | Matsushita Electric Works Ltd | Emergency suspension circuit |
| CN101645683A (en) * | 2009-09-21 | 2010-02-10 | 卧龙电气集团股份有限公司 | Variable frequency speed regulating system of high-frequency vibration motor |
| CN202285033U (en) * | 2011-10-26 | 2012-06-27 | 海信（山东）空调有限公司 | Automatic detection device for production line of outdoor unit of air conditioner |
| CN104196736B (en) * | 2014-08-23 | 2016-04-13 | 王亚泉 | High efficiency smart self-priming pump control wiring structure |
| CN107065825A (en) * | 2017-03-08 | 2017-08-18 | 大同煤矿集团有限责任公司 | Electric control system failure tester |
-
2018
- 2018-01-17 CN CN201810045359.9A patent/CN108181531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001176367A (en) * | 1999-12-22 | 2001-06-29 | Matsushita Electric Works Ltd | Emergency suspension circuit |
| CN101645683A (en) * | 2009-09-21 | 2010-02-10 | 卧龙电气集团股份有限公司 | Variable frequency speed regulating system of high-frequency vibration motor |
| CN202285033U (en) * | 2011-10-26 | 2012-06-27 | 海信（山东）空调有限公司 | Automatic detection device for production line of outdoor unit of air conditioner |
| CN104196736B (en) * | 2014-08-23 | 2016-04-13 | 王亚泉 | High efficiency smart self-priming pump control wiring structure |
| CN107065825A (en) * | 2017-03-08 | 2017-08-18 | 大同煤矿集团有限责任公司 | Electric control system failure tester |
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