CN107144747B - Comprehensive test bench for arc fault protector - Google Patents
Comprehensive test bench for arc fault protector Download PDFInfo
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- CN107144747B CN107144747B CN201710353359.0A CN201710353359A CN107144747B CN 107144747 B CN107144747 B CN 107144747B CN 201710353359 A CN201710353359 A CN 201710353359A CN 107144747 B CN107144747 B CN 107144747B
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Abstract
The invention relates to the technical field of arc fault protector testing, in particular to an arc fault protector comprehensive test board which comprises a test board body, a fault arc generator and a test circuit, wherein the test board body comprises an upper box body and a lower box body with an operation table board, the fault arc generator is installed in the upper box body, the test circuit is installed in the upper box body and the lower box body, the left side of the front surface of the upper box body is provided with an observation window, the right side of the front surface of the upper box body is provided with a control panel I, the operation table board is provided with a control panel II and an arc fault protector placing seat to be tested, the front surface of the lower box body is provided with a cabinet door, four corners of the bottom of the lower box body are provided with idler wheels, the operation table. The invention has simple structure and low production cost, and is suitable for arc fault protector production enterprises to detect the arc fault protector according to the national standard in the research and development and production processes.
Description
Technical Field
The invention relates to the technical field of testing of arc fault protectors, in particular to a comprehensive test bench for arc fault protectors.
Background
With the rapid development of national economy, the electricity consumption for industry and civilian use is greatly increased, and the following faults of electric leakage, contact looseness, breakdown short circuit and the like caused by the aging of electric equipment and electric elements and conductive circuits lead to the occurrence of a large number of fire accidents of the electric equipment. In order to better prevent the fire from happening in the bud and avoid the fire accident caused by the arc fault. The State administration of quality supervision, inspection and quarantine and the national Committee of standardization and management jointly issue GB14287.4-2014 and GB/T31143-2014 standards, and the requirements of products such as an arc fault protector (AFDD for short) and the like must be detected and implemented on 2015, 04, month and 01. At present, the domestic test equipment for the arc fault protector product is basically free of standard test equipment for other relevant units and enterprises except for the national CCC certification center. On the basis of referring to foreign introduced equipment, the national CCC certification center develops a set of large-scale equipment capable of meeting the test requirements of related products, but the core technology of the equipment is not externally disclosed, and the test equipment mainly tests reported and inspected products and is not suitable for testing and using in the product research and development process and the actual production process of arc fault protector production enterprises, and meanwhile, the set of test equipment has the defect of high manufacturing cost.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the comprehensive test bench of the arc fault protector, which has low cost and is suitable for arc fault device manufacturers to carry out fault arc (especially to simulate the arc generated by related electric appliances) test, inhibitory shielding load test and anti-interference load test on products in the product research and development process and the actual production process.
In order to achieve the technical purpose, the technical scheme of the invention is as follows:
an arc fault protector comprehensive test board comprises a test board body, a fault arc generator and a test circuit, wherein the test board body comprises an upper box body and a lower box body with an operation table board, the fault arc generator is installed inside the upper box body, the test circuit is installed inside the upper box body and the lower box body, an observation window for observing the working state of the fault arc generator is arranged on the left side of the front face of the upper box body, a control panel I is arranged on the right side of the front face of the upper box body, a control panel II and an arc fault protector placing seat to be tested are arranged on the operation table board, a cabinet door is arranged on the front face of the lower box body, idler wheels are arranged at four corners of the bottom of the; the test circuit comprises a fault arc current source module, a test bench control module, a switching control module and a power supply module; the fault arc current source module is matched with the fault arc generator to generate various current loads with fault arcs for carrying out arc tests; the test bench control module is used for indicating the working state of a system power supply, indicating the system voltage and indicating the system output current; the switching control module is used for switching control and test state indication between an arc test and a shielding test; the power supply module supplies power to the fault current source module, the test board control module and the switching control module; the input end of the arc fault protector to be tested is respectively connected with the power supply module and the test board control module, and the load end is respectively connected with the fault arc generator, the fault arc current source module and the switching control module; the first control panel and the second control panel are used for controlling the fault arc generator, the fault arc current source module, the test bench control module, the switching control module and the power supply module.
Preferably, the power supply module is composed of an AC220V power supply and a secondary switch Q1, the secondary switch Q1 is used for controlling whether the power supply is connected to the test bench, and a power supply main switch button corresponding to the secondary switch Q1 is arranged on the second control panel.
As a modification, the power supply module further comprises a voltage regulator for regulating the power supply voltage of AC220V, and a voltage regulator knob is correspondingly arranged on the cabinet door of the lower box body.
Preferably, the test board control module comprises a power indicator light branch for indicating the working state of the power supply, an ammeter branch for indicating the output current of the system and a voltmeter branch for indicating the voltage of the power supply, the power indicator light branch, the ammeter branch and the voltmeter branch are connected in parallel, the power indicator light branch is composed of an indicator light H1, the ammeter branch is composed of an ammeter A, the voltmeter branch is composed of a voltmeter V, a first control panel is provided with an incoming power indicator light, a power voltage indicator screen and a test current indicator screen corresponding to the indicator light H1, the power voltage indicator screen is used for displaying the reading of the voltmeter V, and the test current indicator screen is used for displaying the reading of the ammeter A.
Preferably, the switching control module comprises a switch Q2 with an auxiliary contact OF, an indicator light H2 and an indicator light H3, the indicator light H2 and the indicator light H3 are connected in parallel and then connected in series with the auxiliary contact OF, the auxiliary contact OF is connected to the indicator light H2 and the shielding test circuit is switched on when the switch Q2 is closed, the auxiliary contact OF is connected to the indicator light H3 and the arc test circuit is switched on when the switch Q2 is opened, the first control panel is provided with a shielding test indicator light corresponding to the indicator light H2 and an arc test indicator light corresponding to the indicator light H3, and the second control panel is provided with an arc switching test switch corresponding to the Q2.
Preferably, the fault arc current source module comprises a plurality of branches for generating a plurality of current load values, all of the plurality of branches having one master switch, each branch having a respective branch switch.
Preferably, the fault arc current source module comprises a first branch for generating an incandescent lamp load, a second branch for generating a fluorescent lamp load, a third branch for generating a halogen lamp load, a fourth branch for generating a dust collector load, a fifth branch for generating an air compressor load, a sixth branch for generating an electric drill load, a seventh branch for generating a switching power supply load, an eighth branch for generating a 3A load value, and a ninth branch for generating a 5A load value; the switch Q3, the electronic dimmer and the incandescent lamp are connected in series to form a first branch, the switch Q4, the ballast and the fluorescent lamp are connected in series to form a second branch, the switch Q5, the ballast and the halogen lamp are connected in series to form a third branch, the switch Q6 and a socket used for being connected with a dust collector are connected in series to form a fourth branch, the switch Q7 and a socket used for being connected with an air compressor are connected in series to form a fifth branch, the switch Q8 and an electric drill load are connected in series to form a sixth branch, the resistor R2 and a switching power supply load are connected in parallel and then connected in series with the switch Q9 to form a seventh branch, the switch Q10 and the resistor R1 are connected in series to form an eighth branch, the switch Q11 and the resistor R2 are connected in series to form a ninth branch, and the first branch, the second branch, the third branch, the fourth branch, the fifth branch, the sixth branch, the seventh branch, the eighth; an incandescent lamp switch corresponding to the switch Q3, an electronic dimming knob corresponding to an electronic dimmer, a fluorescent lamp switch corresponding to the switch Q4, a halogen lamp switch corresponding to the switch Q5, a dust collector switch corresponding to the switch Q6, an air compressor switch corresponding to the switch Q7, an electric drill switch corresponding to the switch Q8, a switching power supply switch corresponding to the switch Q9, a 3A current test switch corresponding to the switch Q10 and a 5A current test switch corresponding to the switch Q11 are arranged on the control panel II, and a dust collector socket panel corresponding to the first socket and an air compressor socket panel corresponding to the second socket are arranged on the side surface of the lower box body.
As an improvement, the fault arc current source module further comprises a tenth branch for EMI testing, an eleventh branch and a twelfth branch for standby, and a thirteenth branch for crosstalk testing, wherein the switch Q12 and the socket three are connected in series to form the tenth branch, the switch Q13 and the socket four are connected in series to form the eleventh branch, the switch Q14 and the socket five are connected in series to form the twelfth branch, the switch Q15 and the socket six are connected in series to form the thirteenth branch, and the first branch, the second branch, the third branch, the fourth branch, the fifth branch, the sixth branch, the seventh branch, the eighth branch, the ninth branch, the tenth branch, the eleventh branch, the twelfth branch and the thirteenth branch are connected in parallel; the second control panel is provided with an EMI test switch corresponding to the switch Q12, a first standby test switch corresponding to the switch Q13, a second standby test switch corresponding to the switch Q14 and a crosstalk test switch corresponding to the switch Q15, and the side face of the lower box body is provided with an EMI test socket panel corresponding to the third socket, a first standby socket panel corresponding to the fourth socket, a second standby socket panel corresponding to the fifth socket and a crosstalk test socket panel corresponding to the sixth socket.
Preferably, the fault arc generator comprises a fixed electrode, a movable electrode, an electrode moving adjusting mechanism, an extension shaft fixing device, a steering variable speed adjusting mechanism, a fixed electrode fixing seat, a movable electrode fixing seat and an insulating base, wherein the fixed electrode and the movable electrode are oppositely arranged, the fixed electrode is installed on the left side of the insulating base through the fixed electrode fixing seat, the movable electrode is connected with the electrode moving adjusting mechanism on the right side inside the insulating base through the movable electrode fixing seat, the electrode moving adjusting mechanism is connected with the steering variable speed adjusting mechanism through the extension shaft fixing device, the steering variable speed adjusting mechanism is used for driving the electrode moving adjusting mechanism to move, and accordingly an arc adjusting knob used for controlling the steering variable speed adjusting mechanism is arranged on a control panel.
As an improvement, a fan for heat dissipation is further installed inside the test bench body, and correspondingly, the test bench control module further comprises a fan branch for controlling the fan.
From the above description, it can be seen that the present invention has the following advantages:
the invention utilizes the fault arc generator to generate standard fault arc, and utilizes the fault arc current source module to generate various current loads, and the various current loads with the fault arc are connected into a tested product (namely the arc fault protector), and the action of the arc fault protector is judged under various current loads, thereby realizing the performance test of the arc fault protector, and simultaneously, the invention can also carry out EMI test, crosstalk test (namely anti-interference load test) test and shielding test (namely inhibitory shielding load test) test on the tested product. The comprehensive test board of the arc fault protector is designed according to national standards GB14287.4-2014 and GB/T31143-2014, has a simple circuit structure, is accurate in test and low in cost, and is suitable for large-scale popularization and application in arc fault protector production enterprises.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of a fault arc generator of the present invention;
FIG. 4 is a schematic diagram of the circuit configuration of the present invention;
fig. 5 is a schematic view of the structure of the operation table top of the invention.
Detailed Description
An embodiment of the present invention is described in detail with reference to fig. 1 to 5, but the present invention is not limited in any way by the claims.
An arc fault protector comprehensive test bench comprises a test bench body 1, a fault arc generator 2 and a test circuit 3;
the test bench body 1 comprises an upper box body 11 and a lower box body 12 with an operation table board 13, a fault arc generator 2 is installed inside the upper box body 11, a test circuit 3 is installed inside the upper box body 11 and the lower box body 12, an observation window 14 used for observing the working state of the fault arc generator is arranged on the left side of the front face of the upper box body 11, a control panel I15 is arranged on the right side of the front face of the upper box body 11, a control panel II 16 and an arc fault protector AFDD placing seat 17 to be tested are arranged on the operation table board 13, and a cabinet door 18 is arranged;
the test circuit 3 comprises a fault arc current source module 31, a test bench control module 32, a switching control module 33 and a power supply module 34; the fault arc current source module 31 cooperates with the fault arc generator 2 to generate various current loads with fault arcs for arc tests; the test bench control module 32 is used for indicating the working state of the system power supply, indicating the system voltage and indicating the system output current; the switching control module 33 is used for switching control and test state indication between the arc test and the shielding test; the power supply module 34 supplies power to the fault current source module 31, the test bench control module 32 and the switching control module 33; the input end of the arc fault protector AFDD to be tested is respectively connected with the power module 34 and the test bench control module 32, and the load end is respectively connected with the fault arc generator 2, the fault arc current source module 31 and the switching control module 33; the first control panel 15 and the second control panel 16 are used for controlling the fault arc generator 2, the fault arc current source module 31, the test bench control module 32, the switching control module 33 and the power supply module 34.
The specific structure of the fault arc generator 2 will be described with reference to fig. 3.
As shown in fig. 3, the fault arc generator 2 includes a fixed electrode 21, a movable electrode 22, an electrode movement adjusting mechanism 23, an extension shaft fixing device 24, a steering speed change adjusting mechanism 25, a fixed electrode fixing seat 26, a movable electrode fixing seat 27 and an insulating base 28, where the fixed electrode 21 and the movable electrode 22 are oppositely disposed, the fixed electrode 21 is mounted on the left side of the insulating base 28 through the fixed electrode fixing seat 26, the movable electrode 22 is connected with the electrode movement adjusting mechanism 23 on the right side inside the insulating base 28 through the movable electrode fixing seat 27, the electrode movement adjusting mechanism 23 is connected with the steering speed change adjusting mechanism 25 through the extension shaft fixing seat 24, the steering speed change adjusting mechanism 25 is used for driving the electrode movement adjusting mechanism 23 to move, and accordingly an arc adjusting knob 151 for controlling the steering speed change adjusting mechanism is disposed on the control panel one 15.
The arc required by the arc test of the test bench can be generated by the fault arc generator, and the steering and speed-changing adjusting mechanism is controlled by the arc adjusting knob, so that the electrode moving and adjusting mechanism is controlled to drive the movable electrode to move to a distance capable of generating the arc, and the continuous arc required by the arc test is obtained.
The individual blocks of the test circuit 3 are described in detail below with reference to fig. 4.
As shown in fig. 4, the power module 34 is comprised of an AC220V power supply and a secondary switch Q1, the secondary switch Q1 is used to control whether the power supply is connected to the test station.
To further improve the performance of the power module to meet test requirements, the power module 34 also includes a voltage regulator for regulating the AC220V supply voltage.
As shown in fig. 4, the test bench control module 32 includes a power indicator light branch 321 for indicating a working state of a power supply, an ammeter branch 322 for indicating an output current of the system, and a voltmeter branch 323 for indicating a voltage of the power supply, where the power indicator light branch 321, the ammeter branch 322, and the voltmeter branch 323 are connected in parallel; the power indicator light branch consists of an indicator light H1, the ammeter branch 322 consists of an ammeter A, and the voltmeter branch 323 consists of a voltmeter V.
As shown in fig. 4, the switching control module 33 includes a switch Q2 with an auxiliary contact OF, an indicator light H2 and an indicator light H3, the indicator light H2 and the indicator light H3 are connected in parallel and then connected in series with the auxiliary contact OF, the auxiliary contact OF is connected to the indicator light H2 and the shielding test loop is turned on when the switch Q2 is closed, and the auxiliary contact OF is connected to the indicator light H3 and the arc test loop is turned on when the switch Q2 is opened.
As shown in fig. 4, the fault arc current source module 31 includes a plurality of branches for generating a plurality of current load values, all of which have a main switch, and each branch has a corresponding branch switch, and may be configured as follows (but not limited to the following structure, as long as it can generate various current load values required for testing according to the national standard):
(1) comprises a first branch 3101 for generating incandescent lamp load, a second branch 3102 for generating fluorescent lamp load, a third branch 3103 for generating halogen lamp load, a fourth branch 3104 for generating vacuum cleaner load, a fifth branch 3105 for generating air compressor load, a sixth branch 3106 for generating electric drill load, a seventh branch 3107 for generating switching power supply load, an eighth branch 3108 for generating 3A load value, a ninth branch 3109 for generating 5A load value;
(2) the switch Q3, the electronic dimmer and the incandescent lamp are connected in series to form a first branch 3101, the switch Q4, the ballast and the fluorescent lamp are connected in series to form a second branch 3102, the switch Q5, the ballast and the halogen lamp are connected in series to form a third branch 3103, the switch Q6 and a socket for connecting a dust collector are connected in series to form a fourth branch 3104, the switch Q7 and a socket for connecting an air compressor are connected in series to form a fifth branch 3105, the switch Q8 and an electric drill load are connected in series to form a sixth branch 3106, the resistor R2 and a switching power supply load are connected in parallel and then connected in series with the switch Q9 to form a seventh branch 3107, the switch Q10 and the resistor R1 are connected in series to form an eighth branch 3108, and the switch Q11 and the resistor R2 are;
(3) the first branch 3101, the second branch 3102, the third branch 3103, the fourth branch 3104, the fifth branch 3105, the sixth branch 3106, the seventh branch 3107, the eighth branch 3108 and the ninth branch 3109 are connected in parallel and then connected in series with the switch Q2 of the switching control module 33.
In order to further extend the applicability of the test bench, the fault arc current source module 31 is designed in an extended manner, which is specifically designed as follows, but is not limited to one of the following manners:
as shown in fig. 4, the fault arc current source module 31 further includes: a tenth branch 3110 for EMI testing, an eleventh branch 3111 and a twelfth branch 3112 for redundancy, a thirteenth branch 3113 for crosstalk testing, a switch Q12 and a socket three in series constituting the tenth branch 3110, a switch Q13 and a socket four in series constituting the eleventh branch 3111, a switch Q14 and a socket five in series constituting the twelfth branch 3112, a switch Q15 and a socket six in series constituting the thirteenth branch 3113, a first branch 3101, a second branch 3102, a third branch 3103, a fourth branch 3104, a fifth branch 3105, a sixth branch 3106, a seventh branch 3107, an eighth branch 3108, a ninth branch 3109, a tenth branch 3110, an eleventh branch 3111, a twelfth branch 3112 and a thirteenth branch 3113 in parallel.
Corresponding to the test circuit 3, corresponding designs are made on the first control panel 15, the second control panel 16 and the lower box 12 to control each module of the test circuit, which is described with reference to fig. 1, 2 and 5, but not limited to the design manner of fig. 1, 2 and 5.
As shown in fig. 1, the first control panel 15 is provided with an incoming power indicator 152 corresponding to the indicator light H1, a shielding test indicator 153 corresponding to the indicator light H2, an arc test indicator 154 corresponding to the indicator light H3, a power voltage indicator 155 for displaying the reading of the voltmeter V, and a test current indicator 156 for displaying the reading of the ammeter a;
as shown in fig. 5, the control panel ii is provided with a main power switch 1601 corresponding to the secondary switch Q1, an arc switching test switch 1602 corresponding to Q2, an incandescent lamp switch 1603 corresponding to the switch Q3, an electronic dimming knob 1604 corresponding to the electronic dimmer, a fluorescent lamp switch 1605 corresponding to the switch Q4, a halogen lamp switch 1606 corresponding to the switch Q5, a vacuum cleaner switch 1607 corresponding to the switch Q6, an air compressor switch 1608 corresponding to the switch Q7, a drill switch 1609 corresponding to switch Q8, a switching power switch 1610 corresponding to switch Q9, a 3A current test switch 1611 corresponding to switch Q10, a 5A current test switch 1612 corresponding to switch Q11, an EMI test switch 1613 corresponding to switch Q12, a standby test switch one 1614 corresponding to switch Q13, a standby test switch two 1615 corresponding to switch Q14, and a crosstalk test switch 1616 corresponding to switch Q15;
as shown in fig. 1 and 2, a pressure regulator knob 181 for controlling a pressure regulator is disposed on the cabinet door 18 of the lower box 12, and a dust collector socket panel 182 corresponding to the first socket, an air compressor socket panel 183 corresponding to the second socket, an EMI test socket panel 184 corresponding to the third socket, a first backup socket panel 185 corresponding to the fourth socket, a second backup socket panel 186 corresponding to the fifth socket, and a crosstalk test socket panel 187 corresponding to the sixth socket are disposed on the side surface of the lower box 12.
The working principle of the invention is as follows:
(1) the method comprises the steps that a fault arc generator is used for generating a standard fault arc, a fault arc current source module is used for generating various current loads, the various current loads with the fault arc are connected to a load end (namely an arc fault protector) of a product to be tested, the action of the arc fault protector is judged under various current loads, and meanwhile, a voltmeter V and an ammeter A are used for monitoring a test process, so that the performance test of the arc fault protector is realized;
(2) the fault arc current source module comprises thirteen branches, can simulate various actual current loads (such as incandescent lamps, fluorescent lamps, halogen lamps, dust collectors, air compressors, electric drills and switching power supplies), can also generate two standard value (3A and 5A) current loads, is reserved with an EMI test interface, a crosstalk test interface and two standby test branch interfaces, and can realize the test of various current loads, the EMI test and the crosstalk test (namely an anti-interference load test) by utilizing the fault arc current source module, thereby meeting the requirements of national standard test projects;
(3) the switching between the arc test and the shielding test (namely, the inhibitory shielding load test) can be realized by utilizing the switching control module, so that the test bench can test two projects to meet the requirements of national standard test projects.
The frame structures of the upper box body 11 and the lower box body 12 in the test board body are both made of aluminum profiles, the operation table top 13 is made of an epoxy resin insulation board, the other surfaces are made of 2mm galvanized plates, the surfaces of the operation table top are subjected to static spraying treatment, the test board is attractive in overall appearance, firm in structure and safe and convenient to operate, and in order to further improve the convenience of the test board, the four corners of the bottom of the lower box body can be provided with the rollers 19, so that the test board is convenient to move.
In order to improve the heat dissipation performance of the testing platform, a fan may be further installed inside the testing platform body, and accordingly a fan control branch 324 is added to the testing platform control module.
In order to further improve the safety of the test bench, a fuse FU1 is arranged between the power supply module and the test bench control module, and a fuse FU2 is arranged on the switching control module.
In order to further expand the performance of the test bench and facilitate the fire protection and fire monitoring test, a fire protection and fire protection monitor is connected between the power module 34 of the test circuit 3 and the arc fault protector to be tested, a fire protection and fire protection monitor control branch 325 is arranged on the test bench control module, and accordingly, a fire protection and fire protection monitoring device test terminal is reserved on the operation bench.
In summary, the invention has the following advantages:
the invention utilizes the fault arc generator to generate standard fault arc, and utilizes the fault arc current source module to generate various current loads, and the various current loads with fault arc are connected into a tested product (namely the arc fault protector), and the action of the arc fault protector is judged under various current loads, thereby realizing the performance test of the arc fault protector, and simultaneously, the invention can also carry out EMI test, crosstalk test and shielding test on the tested product. The comprehensive test board for the arc fault protector is designed according to national standards GB14287.4-2014 and GB/T31143-2014, has a simple circuit structure, is accurate in test and low in cost (only 10% of the existing products), and is suitable for large-scale popularization and application in arc fault protector production enterprises.
It should be understood that the detailed description of the invention is merely illustrative of the invention and is not intended to limit the invention to the specific embodiments described. It will be appreciated by those skilled in the art that the present invention may be modified or substituted equally as well to achieve the same technical result; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (3)
1. The utility model provides an electric arc fault protector combined test platform which characterized in that: the electric arc fault protection device comprises a test board body, a fault electric arc generator and a test circuit, wherein the test board body comprises an upper box body and a lower box body with an operation table board, the fault electric arc generator is installed inside the upper box body, the test circuit is installed inside the upper box body and the lower box body, an observation window for observing the working state of the fault electric arc generator is arranged on the left side of the front surface of the upper box body, a control panel I is arranged on the right side of the front surface of the upper box body, a control panel II and a to-be-tested electric arc fault protector placing seat are arranged on the operation table board, a cabinet door is arranged on the front surface of the lower box body; the test circuit comprises a fault arc current source module, a test bench control module, a switching control module and a power supply module; the fault arc current source module is matched with the fault arc generator to generate various current loads with fault arcs for carrying out arc tests; the test bench control module is used for indicating the working state of a system power supply, indicating the system voltage and indicating the system output current; the switching control module is used for switching control and test state indication between an arc test and a shielding test; the power supply module supplies power to the fault current source module, the test board control module and the switching control module; the input end of the arc fault protector to be tested is respectively connected with the power supply module and the test board control module, and the load end is respectively connected with the fault arc generator, the fault arc current source module and the switching control module; the control panel I and the control panel II are used for controlling the fault arc generator, the fault arc current source module, the test board control module, the switching control module and the power supply module;
the power supply module consists of an AC220V power supply and a secondary switch Q1, the secondary switch Q1 is used for controlling whether the power supply is connected to the test bench, and a power supply main switch button corresponding to the secondary switch Q1 is arranged on the second control panel;
the test board control module comprises a power indicator light branch for indicating the working state of a power supply, an ammeter branch for indicating the output current of a system and a voltmeter branch for indicating the voltage of the power supply, the power indicator light branch, the ammeter branch and the voltmeter branch are connected in parallel, the power indicator light branch is composed of an indicator light H1, the ammeter branch is composed of an ammeter A, the voltmeter branch is composed of a voltmeter V, an incoming power indicator light, a power voltage indicator screen and a test current indicator screen which correspond to the indicator light H1 are arranged on the control panel I, the power voltage indicator screen is used for displaying the reading of the voltmeter V, and the test current indicator screen is used for displaying the reading of the ammeter A;
the switching control module comprises a switch Q2 with an auxiliary contact OF, an indicator light H2 and an indicator light H3, the indicator light H2 and the indicator light H3 are connected in parallel and then are connected in series with the auxiliary contact OF, the auxiliary contact OF is connected to the indicator light H2 and a shielding test circuit is switched on when the switch Q2 is closed, the auxiliary contact OF is connected to the indicator light H3 and an arc test circuit is switched on when the switch Q2 is opened, a shielding test indicator light corresponding to the indicator light H2 and an arc test indicator light corresponding to the indicator light H3 are arranged on the first control panel, and an arc switching test switch corresponding to the Q2 is arranged on the second control panel;
the fault arc current source module comprises a plurality of branches for generating a plurality of current load values, all of the plurality of branches having a main switch, each branch having a corresponding branch switch; the multiple branches comprise a first branch for generating an incandescent lamp load, a second branch for generating a fluorescent lamp load, a third branch for generating a halogen lamp load, a fourth branch for generating a dust collector load, a fifth branch for generating an air compressor load, a sixth branch for generating an electric drill load, a seventh branch for generating a switching power supply load, an eighth branch for generating a 3A load value, and a ninth branch for generating a 5A load value; the switch Q3, the electronic dimmer and the incandescent lamp are connected in series to form a first branch, the switch Q4, the ballast and the fluorescent lamp are connected in series to form a second branch, the switch Q5, the ballast and the halogen lamp are connected in series to form a third branch, the switch Q6 and a socket used for being connected with a dust collector are connected in series to form a fourth branch, the switch Q7 and a socket used for being connected with an air compressor are connected in series to form a fifth branch, the switch Q8 and an electric drill load are connected in series to form a sixth branch, the resistor R2 and a switching power supply load are connected in parallel and then connected in series with the switch Q9 to form a seventh branch, the switch Q10 and the resistor R1 are connected in series to form an eighth branch, the switch Q11 and the resistor R2 are connected in series to form a ninth branch, and the first branch, the second branch, the third branch, the fourth branch, the fifth branch, the sixth branch, the seventh branch, the eighth; an incandescent lamp switch corresponding to the switch Q3, an electronic dimming knob corresponding to an electronic dimmer, a fluorescent lamp switch corresponding to the switch Q4, a halogen lamp switch corresponding to the switch Q5, a dust collector switch corresponding to the switch Q6, an air compressor switch corresponding to the switch Q7, an electric drill switch corresponding to the switch Q8, a switching power supply switch corresponding to the switch Q9, a 3A current test switch corresponding to the switch Q10 and a 5A current test switch corresponding to the switch Q11 are arranged on the control panel II, and a dust collector socket panel corresponding to the socket I and an air compressor socket panel corresponding to the socket II are arranged on the side surface of the lower box body; the multiple branches further comprise a tenth branch for EMI test, an eleventh branch and a twelfth branch for standby and a thirteenth branch for crosstalk test, the switch Q12 and the socket third are connected in series to form the tenth branch, the switch Q13 and the socket fourth are connected in series to form the eleventh branch, the switch Q14 and the socket fifth are connected in series to form the twelfth branch, the switch Q15 and the socket sixth are connected in series to form the thirteenth branch, and the first branch, the second branch, the third branch, the fourth branch, the fifth branch, the sixth branch, the seventh branch, the eighth branch, the ninth branch, the tenth branch, the eleventh branch, the twelfth branch and the thirteenth branch are connected in parallel; an EMI test switch corresponding to the switch Q12, a first standby test switch corresponding to the switch Q13, a second standby test switch corresponding to the switch Q14 and a crosstalk test switch corresponding to the switch Q15 are arranged on the second control panel, and an EMI test socket panel corresponding to the third socket, a first standby socket panel corresponding to the fourth socket, a second standby socket panel corresponding to the fifth socket and a crosstalk test socket panel corresponding to the sixth socket are arranged on the side face of the lower box body;
the fault arc generator comprises a fixed electrode, a movable electrode, an electrode moving adjusting mechanism, an extending shaft fixing device, a steering variable speed adjusting mechanism, a fixed electrode fixing seat, a movable electrode fixing seat and an insulating base, wherein the fixed electrode and the movable electrode are oppositely arranged, the fixed electrode is installed on the left side of the insulating base through the fixed electrode fixing seat, the movable electrode is connected with the electrode moving adjusting mechanism on the right side inside the insulating base through the movable electrode fixing seat, the electrode moving adjusting mechanism is connected with the steering variable speed adjusting mechanism through the extending shaft fixing device, the steering variable speed adjusting mechanism is used for driving the electrode moving adjusting mechanism to move, and accordingly an arc adjusting knob used for controlling the steering variable speed adjusting mechanism is arranged on a control panel.
2. The arc fault protector integrated test stand of claim 1, wherein: the power supply module further comprises a voltage regulator for regulating the power supply voltage of the AC220V, and a voltage regulator knob is correspondingly arranged on the cabinet door of the lower box body.
3. The arc fault protector integrated test stand of claim 1, wherein: the test bench body is internally provided with a fan for heat dissipation, and correspondingly, the test bench control module also comprises a fan branch for controlling the fan.
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| CN107765150B (en) * | 2017-10-18 | 2020-03-10 | 福州大学 | Intelligent arc fault simulation system and operation method |
| CN111366757A (en) * | 2018-12-25 | 2020-07-03 | 沈阳新松机器人自动化股份有限公司 | Fault arc generator for vibration environment |
| CN110146829A (en) * | 2019-06-03 | 2019-08-20 | 山东华泰纸业股份有限公司 | A kind of direct-current switch power supply fault diagnosis easily-testing instrument and test method |
| CN110646713B (en) * | 2019-09-02 | 2022-11-04 | 深圳供电局有限公司 | Fault arc simulation generating device and photovoltaic direct current system |
| CN113687203B (en) * | 2021-10-26 | 2021-12-24 | 江苏华荣绝缘材料有限公司 | Insulation test equipment for insulation product and accident protection structure |
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