A double-break integrated electric leakage circuit breaker and a detection machine thereof

Abstract

The application relates to the technical field of circuit breaker detection, in particular to a double-breakpoint integrated residual-current circuit breaker and a detection machine thereof. The residual-current circuit breaker comprises a shell, the two ends of the shell are respectively provided with an incoming line port and an outgoing line port, two rocker arms are arranged in the shell, a linkage shaft is fixedly connected between the two rocker arms, an operating handle is rotatably embedded on the shell and fixedly arranged on the middle part of the outer side of the linkage shaft, the double-breakpoint structure design effectively reduces the short-circuit current pressure borne by a single contact point and improves the breaking capacity; the test machine comprises a machine box, a test mechanism composed of a pushing assembly, a detection assembly and a dialing assembly, and a lifting mechanism composed of a photoelectric sensor used for counting and a lifting piece used for lifting the residual-current circuit breaker to a detection station, the test machine can not only improve the test efficiency but also clean dust and sundries remaining in the incoming line port by using airflow during the lifting of the residual-current circuit breaker.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of circuit breaker detection, in particular to a double-break integrated residual current circuit breaker and a detection machine thereof. BACKGROUND

[0002] The double-break integrated residual current circuit breaker is a residual current protection device with a double-break contact structure, integrating residual current protection and circuit breaking functions. It usually adopts a double-break design to improve breaking capacity and safety. Generally, before leaving the factory, the double-break integrated residual current circuit breaker must be tested for its residual current protection performance on the production line. Therefore, testing the residual current protection performance of the residual current circuit breaker is an important link to ensure the qualified products leaving the factory.

[0003] The prior art discloses a residual current circuit breaker with a contact unit and a tripping unit. When the test button is pressed, the residual current circuit breaker can normally trip without causing the line board, residual current tripping coil, etc. in the residual current circuit breaker to burn out.

[0004] However, the above-mentioned prior art still has certain defects. In the use process, the residual current circuit breaker adopts a single-break structure design. The instantaneous increased current can easily increase the short-circuit current pressure borne by the single contact, reducing its breaking capacity.

[0005] The prior art discloses a residual current circuit breaker with a contact unit and a tripping unit. When the test button is pressed, the residual current circuit breaker can normally trip without causing the line board, residual current tripping coil, etc. in the residual current circuit breaker to burn out.

[0006] However, the above-mentioned prior art still has certain defects. In the use process, the residual current circuit breaker adopts a single-break structure design. The instantaneous increased current can easily increase the short-circuit current pressure borne by the single contact, reducing its breaking capacity. SUMMARY

[0007] The present application relates to the technical field of circuit breaker detection, in particular to a double-break integrated residual current circuit breaker and a detection machine thereof.

[0008] The present application relates to the technical field of circuit breaker detection, in particular to a double-break integrated residual current circuit breaker and a detection machine thereof.

[0009] A double-break integrated residual current circuit breaker, comprising

[0010] The shell has an inlet port and an outlet port at two ends respectively, and is internally provided with two rocker arms, and the two rocker arms are fixedly connected with a linkage shaft, and the outer side of the linkage shaft is fixedly provided with an operating handle rotatably embedded in the shell.

[0011] The shell further comprises a zero sequence current transformer, an electric leakage tripping device, an arc extinguishing device and a contact system, the contact system comprises two groups of movable and static contacts, the rocker arms are used for driving the movable and static contacts of the contact system to contact each other to open the electric leakage circuit breaker.

[0012] The application further provides a detection machine for the electric leakage protection detection of the double-breakpoint integrated electric leakage circuit breaker.

[0013] The machine case is internally fixedly provided with a partition frame, the partition frame is fixedly provided with a partition strip at the top middle portion, a channel groove is formed in one side of the machine case, and a conveying belt for conveying the electric leakage circuit breaker into a designated station is arranged in the channel groove.

[0014] The test mechanism comprises a pushing assembly arranged on the top of the partition frame, a detection assembly arranged on the pushing end of the pushing assembly and a driving assembly arranged on the pushing assembly and used for driving the operating handle, and the test mechanism is provided with two groups, and the two groups of test mechanisms are arranged on the two sides of the partition strip.

[0015] The lifting mechanism comprises a photoelectric sensor arranged on the bottom of one of the test mechanisms and used for counting the electric leakage circuit breaker, and a lifting piece used for lifting the electric leakage circuit breaker to be detected to the test station.

[0016] As the preferred scheme of the double-breakpoint integrated electric leakage circuit breaker detection machine, the pushing assembly comprises a pad frame fixedly arranged on the top of the partition frame, rail frames are fixedly arranged on the two sides of the top of the pad frame, mounting frames are fixedly arranged at the two ends of the top of the pad frame, air cylinders one are fixedly arranged on the opposite sides of the two mounting frames, and the telescopic ends of the two air cylinders one are fixedly connected with sliding tables slidingly arranged between the two rail frames.

[0017] As the preferred scheme of the double-breakpoint integrated electric leakage circuit breaker detection machine, the detection assembly comprises a lifting plate arranged on the bottom of the corresponding sliding table and an air cylinder two fixedly arranged on the top of the corresponding sliding table, and the telescopic ends of the air cylinder two are fixedly connected with the lifting plate penetrating through the sliding table.

[0018] As the preferred scheme of the double-breakpoint integrated electric leakage circuit breaker detection machine, the detection assembly further comprises J-shaped plates fixedly arranged at the two ends of the bottom of the corresponding sliding table, a test frame is fixedly connected between the other ends of the two J-shaped plates, the test frame is hollowly arranged, wires and test poles are fixedly arranged on the two sides of the test frame, and the ends of the wires and the test poles extending into the test frame are fixedly connected with butt joint end columns.

[0019] As a preferred scheme of the double-break integrated residual-current circuit breaker detection machine, the conductive assembly is arranged between the lifting plate and the test frame to control the on-off of the two butt joint end posts, and the conductive assembly comprises a horizontal plate I fixedly connected with the lifting plate and an insertion strip fixed at the bottom of the horizontal plate I.

[0020] The conductive piece comprises a conductive ring column fixedly penetrating the bottom end of the insertion strip and an insertion slot opened at the end of each of the two butt joint end posts, a circular plate is fixedly arranged at the inner side of the conductive ring column, plug-in heads are movably inserted into the two ends of the conductive ring column, and springs II are fixedly connected between the corresponding sides of the two plug-in heads and the circular plate.

[0021] As a preferred scheme of the double-break integrated residual-current circuit breaker detection machine, the conductive assembly comprises a mounting seat fixed at the top of the corresponding sliding table and a guide rod, a cylinder III is fixedly arranged on one side of the mounting seat, a stirring strip is fixedly connected to the telescopic end of the cylinder III, and the guide rod is movably penetrated through the stirring strip.

[0022] As a preferred scheme of the double-break integrated residual-current circuit breaker detection machine, a comparison mechanism is arranged between the two track frames at the top of the pad frame, and the comparison mechanism comprises a sample frame fixed between the two track frames and a comparison assembly arranged between the sample frame and one of the detection assemblies.

[0023] The comparison assembly comprises a push plate fixedly connected to one side of the horizontal plate I and a through slot penetratingly arranged on one side of the sample frame, a plug-in plate is movably inserted into the through slot, a straight strip is fixedly arranged at the end of the plug-in plate close to the push plate, a straight rod movably penetrating the straight strip is fixedly arranged on one side of the sample frame, and a spring I is fixedly connected between the sample frame and the straight strip.

[0024] As a preferred scheme of the double-break integrated residual-current circuit breaker detection machine, the lifting piece comprises an L-shaped bracket fixedly arranged on the inner side of the machine box and an electric push rod I opposite to the test mechanism, a square ring frame movably lapped on the upper surface of the L-shaped bracket is fixedly connected to the telescopic end of the electric push rod I, an L-shaped gear rack is movably inserted into the square ring frame, a gear rotatably arranged in the square ring frame is engaged with the L-shaped gear rack, and a supporting plate is fixedly arranged at the top end of the L-shaped gear rack.

[0025] As a preferred scheme of the double-break integrated residual-current circuit breaker detection machine, the lifting piece further comprises a vertical plate fixedly arranged at the top end of the L-shaped gear rack and an air chamber fixedly arranged on the inner side of the partition frame, an air pipe is connected to the bottom of the air chamber, a plurality of insertion holes are arranged on the vertical plate, a shielding arc plate is fixedly arranged at the position corresponding to each insertion hole on the side of the vertical plate away from the air chamber, and the vertical plate is attached to the air outlet end of the air chamber.

[0026] The inside of the case is also fixedly provided with an electric push rod two, and the telescopic end of the electric push rod two is fixedly connected with a isolation frame.

[0027] The beneficial effects of the present application are:

[0028] 1、The leakage circuit breaker of the present application adopts a double-breakpoint structure design, and through the instantaneous increase of the current, two series arcs are generated at the moment of separation of the moving contact, effectively reducing the short-circuit current pressure borne by a single contact and improving the breaking capacity;

[0029] 2、The present application can realize multi-station batch testing of leakage circuit breakers by means of constant current, improve testing efficiency, and set the test pole and the wire into a segmented structure connected by the conducting piece, which can ensure that the test pole is completely inserted into the wiring port and the operating handle is completely turned to the right position before testing, thereby improving the testing accuracy;

[0030] 3、The present application can blow out the dust and other debris remaining in the wiring port by blowing the airflow discharged from the air chamber into the corresponding wiring port during the process of lifting the leakage circuit breaker on the conveying belt to the test station for testing;

[0031] 4、The present application sets a shielding arc plate at the position corresponding to the jack on the vertical plate, which can guide the dust and other debris discharged from the wiring port to fall down by the limitation of the shielding arc plate, thereby avoiding the dust and other debris from falling into the wiring port again. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description, and obviously, other drawings can also be obtained by those skilled in the art without creative labor;

[0033] Figure 1 is a schematic diagram of the overall structure of the leakage circuit breaker of the present application;

[0034] Figure 2 is a side sectional view of the leakage circuit breaker of the present application;

[0035] Figure 3 is a schematic diagram of the overall structure of the detection machine of the present application;

[0036] Figure 4 is a schematic diagram of the overall structure of the test mechanism of the detection machine of the present application from the first perspective;

[0037] Figure 5 is a schematic diagram of the overall structure of the test mechanism of the detection machine of the present application from the second perspective;

[0038] Figure 6 is a test mechanism monomer structure diagram of the detection machine of the present application;

[0039] Figure 7 is a detection assembly first perspective structure diagram of the detection machine of the present application;

[0040] Figure 8 is a detection assembly second perspective structure diagram of the detection machine of the present application;

[0041] Figure 9 is a A side substructure enlarged diagram of the present application Figure 8

[0042] Figure 10 is a comparison mechanism partial structure diagram of the detection machine of the present application;

[0043] Figure 11 is a lifting mechanism first perspective structure diagram of the test machine of the present application;

[0044] Figure 12 is a lifting mechanism second perspective structure diagram of the test machine of the present application.

[0045] The reference signs in the drawings are as follows: 1, housing; 2, incoming line port; 3, outgoing line port; 4, operating handle; 5, linkage shaft; 6, rocker arm; 7, comparison mechanism; 71, sample frame; 72, comparison assembly; 721, plugboard; 722, straight rod; 723, straight bar; 724, spring one; 8, test mechanism; 81, pushing assembly; 811, pad frame; 812, track frame; 813, sliding table; 814, mounting frame; 815, cylinder one; 82, detection assembly; 821, lifting plate; 822, cylinder two; 823, test frame; 824, J-shaped plate; 825, horizontal plate one; 826, horizontal plate two; 827, plug bar; 828, lead wire; 829, test pole column; 8210, conductive ring column; 8211, round plate; 8212, spring two; 8213, plug; 8214, plug slot; 83, actuating assembly; 831, cylinder three; 832, actuating bar; 833, guide rod; 9, lifting mechanism; 91, L-shaped bracket; 92, electric push rod one; 93, square ring frame; 94, gear; 95, L-shaped rack; 96, supporting plate; 97, vertical plate; 98, electric push rod two; 99, isolation frame; 910, air chamber; 911, air pipe; 912, shielding arc plate; 913, photoelectric sensor; 10, partition frame; 11, machine box; 12, partition bar; 13, passage slot; 14, conveying belt. DETAILED DESCRIPTION

[0046] ​Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present application.

[0047] The leakage circuit breaker detection machine of the present application belongs to one of the devices for measuring electrical variables, and is mainly used for testing the leakage protection performance of the leakage circuit breaker to ensure the safety of electricity use.

[0048] The leakage circuit breaker of the present application belongs to one of low-voltage electrical appliances in the power equipment manufacturing industry, is a key device for electrical safety, and is mainly applied to a low-voltage power distribution system for preventing electric shock accidents and electrical fires caused by leakage.

[0049] The PVD coating preparation equipment for the hard alloy cutter of the present application is mainly used for coating the hard alloy cutter with a PVD coating.

[0050] Embodiment 1: referring to the description and the drawings in the specification Figures 1-2 The present embodiment is the first embodiment of the present application, and provides a double-breakpoint integrated leakage circuit breaker, which comprises:

[0051] The shell 1, the incoming line port 2 and the outgoing line port 3 are respectively arranged at two ends of the shell 1, and the zero sequence current transformer, the leakage tripping device, the arc extinguishing device and the contact system are all installed inside the shell 1, wherein the zero sequence current transformer, the leakage tripping device, the arc extinguishing device and the contact system are all conventional components in the leakage circuit breaker, and can be arranged according to the arrangement mode in the existing circuit breaker, which will not be described in detail in combination with the specific structure of the drawings, and the specific working principle of the leakage circuit breaker can refer to the working principle of the existing circuit breaker, which will not be described in detail here.

[0052] Further, the contact system in the leakage circuit breaker comprises two groups of moving and static contacts, and the shell 1 is internally provided with two rocker arms 6 for driving the moving and static contacts in the contact system to be in contact to open the leakage circuit breaker, the linkage shaft 5 is used for fixedly connecting the two rocker arms 6, the operating handle 4 is fixedly sleeved on the outer middle part of the linkage shaft 5, and the operating handle 4 is rotatably embedded on the shell 1, the linkage shaft 5 is driven to rotate by driving the operating handle 4, so that the two rocker arms 6 are synchronously swung to drive the moving and static contacts at the corresponding positions in the contact system to be in contact to open the leakage circuit breaker.

[0053] It should be noted that the contact system in the electric leakage circuit breaker of the present application adopts a double-breakpoint structure design, that is, two pairs of contacts work in series, so that when a fault occurs in the circuit, the two contacts are separated at the same time to cut off the power supply, and the double-breakpoint structure design can generate two series arcs at the moment of separating the moving contact, effectively reducing the short-circuit current pressure borne by a single contact and improving the breaking capacity.

[0054] Embodiment 2: referring to the description attached Figures 3-4 and Figure 6 This embodiment is a second embodiment of the present application, which provides a double-breakpoint integrated electric leakage circuit breaker detection machine, comprising:

[0055] The cabinet 11 is fixed with the partition frame 10 inside the cabinet 11, which divides the inside of the cabinet 11 into a detection area and a lifting area, the partition frame 10 is fixed with a partition strip 12 at the top middle part, a channel groove 13 is provided in a through manner on the cabinet 11 at a position corresponding to the lifting area, and a conveying belt 14 for conveying the electric leakage circuit breaker into the designated work station is arranged in the channel groove 13;

[0056] The pushing assembly 81 is installed at the top of the partition frame 10, the detection assembly 82 is installed at the pushing end of the pushing assembly 81, the pushing assembly 81 is installed on the pushing assembly 81, and the detection assembly 82 and the pushing assembly 81 constitute a test mechanism 8, and the test mechanism 8 is provided with two groups, and the two groups of test mechanisms 8 are arranged on both sides of the partition strip 12;

[0057] The two track frames 812 fixed on the top of the pad frame 811 are provided with a sample frame 71, and the alignment assembly 72 is arranged between one of the detection assemblies 82 and the sample frame 71, and the sample frame 71 and the alignment assembly 72 jointly constitute a comparison mechanism 7 for detecting the electric leakage circuit breaker pushed to the test station.

[0058] It should be noted that after the assembled electric leakage circuit breaker is sequentially placed on the conveying belt 14, the electric leakage circuit breaker is sent into the detection area in the cabinet 11 by the conveying belt 14, and the detection assembly 82 is pushed to the test site by the pushing assembly 81, and the sample frame 71 and the alignment assembly 72 are used to align and limit the lifted electric leakage circuit breaker to be tested, and then the operation handle 4 is actuated by the actuating assembly 83 to make the moving contact and the static contact in the contact system contact to open the electric leakage circuit breaker, and then the electric leakage detection is started by the detection assembly 82, and whether the electric leakage circuit breaker is qualified or not is determined by observing whether the operation handle 4 in the open state trips and resets under the action of constant current.

[0059] Further, as Figure 6As shown, the pushing assembly 81 comprises a pad frame 811 fixedly installed on the top of the partition frame 10, and the pad frame 811 is detachably installed with the partition frame 10 through locking bolts, which is convenient for disassembly and assembly, and is convenient for later operation and maintenance. The pad frame 811 is fixedly provided with a rail frame 812 on both sides of the top thereof, and the pad frame 811 is fixedly provided with a mounting frame 814 at both ends of the top thereof. The opposite sides of the two mounting frames 814 are fixedly installed with a first air cylinder 815. The telescopic ends of the two first air cylinders 815 are fixedly connected with a sliding table 813 slidingly installed between the two rail frames 812. The detection assembly 82 is provided with two detection assemblies 82, which are respectively installed on the two sliding tables 813. The pushing assembly 83 is provided with only one pushing assembly 83, which is installed on one of the sliding tables 813 and moves along the rail frame 812 together with the corresponding detection assembly 82.

[0060] It should be noted that after the leakage circuit breaker to be tested is sent to the test station, the two first air cylinders 815 are used to drive the corresponding sliding table 813 to move towards each other along the rail frame 812, so as to drive the two detection assemblies 82 to move towards each other synchronously, so that the test ends on the two detection assemblies 82 are respectively inserted into the line inlet port 2 and the line outlet port 3 of the leakage circuit breaker, and then the test is performed.

[0061] Further, as shown in Figures 6-8 The detection assembly 82 comprises a lifting plate 821 arranged at the bottom of the corresponding sliding table 813 and a second air cylinder 822 fixedly arranged at the top of the corresponding sliding table 813. The telescopic end of the second air cylinder 822 is fixedly connected with the lifting plate 821 through the sliding table 813. The top of the lifting plate 821 is fixedly provided with a guide column 1 which is movably arranged through the sliding table 813, so as to guide and limit the lifting process of the lifting plate 821.

[0062] The detection assembly 82 further comprises J-shaped plates 824 fixedly arranged at both ends of the bottom of the corresponding sliding table 813. The other ends of the two J-shaped plates 824 are fixedly connected with a test frame 823. The test frame 823 is hollow. The test frame 823 is fixedly provided with a wire 828 and a test pole 829 on both sides thereof. The wire 828 and the test pole 829 are fixedly connected with a butt joint end column at one end extending into the test frame 823. The butt joint end column is fixedly arranged on the side wall of the test frame 823. Since the position of the test frame 823 is fixed relative to the sliding table 813, it can be ensured that the test pole 829 is always on a constant height horizontal plane.

[0063] The lifting plate 821 is provided with a conduction assembly for controlling the on-off of the two butt joint end posts, the conduction assembly comprises a horizontal plate one 825 fixedly connected with the lifting plate 821 and an insertion strip 827 fixed at the bottom of the horizontal plate one 825, the bottom end of the insertion strip 827 is movably inserted into the inside of the test rack 823, wherein the top of the horizontal plate one 825 is fixedly connected with a horizontal plate two 826, and the top of the test rack 823 is fixedly provided with two groups of guide posts two movably penetrating the horizontal plate one 825 and the horizontal plate two 826 in sequence, the two groups of guide posts two are arranged on the two sides of the insertion strip 827, and the insertion strip 827 is provided with a conduction piece at the position corresponding to each group of butt joint end posts at the bottom end, and when testing is needed, only the two butt joint end posts connected with the connecting wire 828 and the test pole 829 need to be conducted through the conduction piece.

[0064] It should be noted that, in the process of detecting the leakage protection performance of the leakage circuit breaker to be tested sent to the test station, the cylinder one 815 is used to drive the sliding table 813 to move along the track frame 812, and in the process of synchronous movement of the detection assembly 82 with the corresponding sliding table 813, the test pole 829 keeps facing the corresponding wiring port (i.e. the incoming line port 2 and / or the outgoing line port 3 on the circuit breaker, the same below) on the leakage circuit breaker and moves to the direction close to the leakage circuit breaker to be inserted into the corresponding wiring port, then the sliding table 813 stops moving, during which the test poles 829 on the two detection assemblies 82 keep synchronous insertion into the corresponding wiring port, at the same time, the cooperation of the sample frame 71 and the alignment assembly 72 is used to align and limit the lifted leakage circuit breaker to be tested, when the insertion action of the test pole 829 and the corresponding wiring port on the leakage circuit breaker is completed, the operating handle 4 of the leakage circuit breaker to be tested is actuated by the actuating assembly 83 to make the circuit breaker in an open state, then the two butt joint end posts connected with the connecting wire 828 and the test pole 829 are conducted through the conduction piece to start the test.

[0065] Further, as Figure 9As shown, the conducting piece includes a conductive cylinder 8210 fixed through the bottom end of the insertion strip 827 and an insertion slot 8214 opened at the end of the corresponding two butt joint columns, the inner side of the conductive cylinder 8210 is fixedly provided with a circular plate 8211, the two ends of the conductive cylinder 8210 are movably inserted with plugs 8213, and the two plugs 8213 are fixedly connected with springs 8212 on the corresponding sides of the circular plate 8211. Among them, the insertion slot 8214 and the plug 8213 are provided in a circular truncated cone structure, and in the process of elastic deformation of the spring 8212, the two plugs 8213 always remain inserted in the conductive cylinder 8210, and the plug 8213 always moves in a state of adhering to the inner wall of the conductive cylinder 8210. In addition, after the plug 8213 is completely inserted into the corresponding insertion slot 8214, the two springs 8212 are in a compressed state, and when the plug 8213 is not inserted into the corresponding insertion slot 8214, the inclined surface area on the outside of the plug 8213 corresponds to the end of the corresponding butt joint column, ensuring that the plug 8213 will be inserted into the conductive cylinder 8210 when the butt joint column presses the inclined surface area during the upward movement of the insertion strip 827, until the plug 8213 is opposite to the insertion slot 8214, completing the conduction of the two butt joint columns of the connection wire 828 and the test pole 829.

[0066] It should be noted that in the process of controlling the conducting piece to conduct with the two butt joint columns of the connection wire 828 and the test pole 829, the lifting plate 821 is driven upward by the cylinder 822, thereby driving the horizontal plate 825 to move upward synchronously, and then driving the insertion strip 827 to move upward, so that the plug 8213 on the conducting piece moves towards the corresponding butt joint column, until the plug 8213 is completely inserted into the corresponding insertion slot 8214, and the leakage protection test is started. Compared with the traditional integrated test, the design can effectively avoid the situation that the test starts before the operating handle 4 is fully operated.

[0067] Further, as shown in Figure 6 The operating handle 4 is provided with a protruding handle 4a, and the protruding handle 4a is movably connected with the arc-shaped end of the push strip 832. The push strip 832 is movably connected with the guide rod 833, and the guide rod 833 is movably connected with the mounting seat of the push assembly 83. The push assembly 83 includes a mounting seat fixed on the top of the corresponding sliding table 813 and a guide rod 833, and the mounting seat is fixedly provided with a cylinder 831 on one side. The extension end of the cylinder 831 is fixedly connected with a push strip 832, and the bottom end of the push strip 832 is provided in an arc-shaped structure, which can prevent the operating handle 4 from being scratched during rotation, and the arc-shaped end of the push strip 832 is opposite to the operating handle 4 on the leakage circuit breaker. The other end of the guide rod 833 movably penetrates the push strip 832.

[0068] It should be noted that before the control of the conduction piece and the two butt joint columns of the connecting wire 828 and the test pole column 829 are conducted, the operating handle 4 needs to be deflected by using the dialing assembly 83 to dial, that is, directly pushing the dialing strip 832 along the direction of the guide rod 833 to the leakage circuit breaker to be tested by the gas cylinder three 831, and using the moving dialing strip 832 to push the operating handle 4 to deflect, so that the leakage circuit breaker is in an open state, and waits for the conduction piece to connect the two butt joint columns of the connecting wire 828 and the test pole column 829 to start the test process.

[0069] Further, as shown in Figure 6 and Figure 10 The alignment assembly 72 includes a push plate fixedly connected to one side of the horizontal plate one 825 and a through slot formed on one side of the sample frame 71, and the insertion plate 721 is movably inserted into the through slot. The insertion plate 721 is fixedly provided with a straight strip 723 at one end close to the push plate. The sample frame 71 is fixedly provided with a straight rod 722 movably penetrating the straight strip 723. The straight rod 722 is externally sleeved with a spring one 724 fixedly connecting the sample frame 71 and the straight strip 723. When the spring one 724 is in a natural state, the insertion end of the insertion plate 721 remains inserted into the through slot. During the elastic deformation of the spring one 724, the straight rod 722 always remains movably penetrating the straight strip 723.

[0070] It should be noted that during the alignment and limiting of the plurality of leakage circuit breakers to be tested pushed into the sample frame 71, after the one end of the operating handle 4 installed on the leakage circuit breaker passes through the sample frame 71, the push plate is pushed to the direction of the sample frame 71 by using the horizontal plate one 825 moving synchronously with the sliding table 813, and after contacting the straight strip 723, the straight strip 723 is continuously pushed, so that the insertion plate 721 moves to the direction of the leakage circuit breaker. The insertion plate 721 penetrating the through slot is used to abut against the one end of the operating handle 4 installed on the leakage circuit breaker, thereby completing the alignment and limiting operation of the leakage circuit breaker to be tested before the detection starts. After the insertion plate 721 penetrating the through slot abuts against the corresponding side surface of the leakage circuit breaker, the test pole column 829 is also inserted into the corresponding wiring port.

[0071] Embodiment 3: referring to the description Figure 5 and Figure 11The third embodiment of the present application is different from the second embodiment in that the lifting mechanism 9 is arranged in the lifting area inside the cabinet 11. The lifting mechanism 9 comprises a photoelectric sensor 913 arranged at the bottom of one of the testing mechanisms 8 for counting the passed leakage circuit breakers and a lifting member for lifting the leakage circuit breaker to be tested to the testing station for detection. The photoelectric sensor 913 is arranged at the bottom of the spacer 12 at one end of the mat frame 811 close to the inlet end of the conveying belt 14 and is opposite to the area where the operating handle 4 of the leakage circuit breaker conveyed on the conveying belt 14 is located, so as to facilitate accurate counting.

[0072] Further, as shown in Figures 11-12 the lifting member comprises an L-shaped bracket 91 fixed to the inner side of the cabinet 11 and an electric push rod 92 opposite to the testing mechanism 8. The extension end of the electric push rod 92 is fixedly connected with a square ring frame 93 movably overlapped on the upper surface of the L-shaped bracket 91. An L-shaped rack 95 is movably inserted into the square ring frame 93. A gear 94 is rotatably arranged in the square ring frame 93 and engaged with the L-shaped rack 95. A supporting plate 96 is fixed to the top end of the L-shaped rack 95. The gear 94 is driven to rotate by a motor arranged outside the square ring frame 93. The above-mentioned related components of the lifting member constitute a lifting unit. Four lifting units are arranged at the positions corresponding to the two ends of the mat frame 811. The two lifting units on the same side of the conveying belt 14 share one power source. The top ends of the supporting plates 96 of the two opposite lifting units are flared, so as to better support the leakage circuit breaker to be tested to enter the testing station.

[0073] The lifting piece further comprises a vertical plate 97 fixed at the top end of the L-shaped rack 95 and an air chamber 910 fixed inside the partition frame 10, the bottom of the air chamber 910 is connected with an air pipe 911, the other end of the air pipe 911 is connected with an external air source in communication, a plurality of insertion holes are formed in the vertical plate 97, a shielding arc plate 912 is fixed at the position corresponding to each insertion hole on the side of the vertical plate 97 away from the air chamber 910, the other end of the shielding arc plate 912 is in contact with the outside of the corresponding end of the leakage circuit breaker to be tested, and the vertical plate 97 is in contact with the air outlet end of the air chamber 910. In order to ensure that the gas in the air chamber 910 can smoothly pass through the insertion holes on the vertical plate 97 and enter the wiring port of the circuit breaker to clean the dust and other debris remaining therein, the insertion holes on the vertical plate 97 are opposite to the wiring port of the leakage circuit breaker in the initial state, and a transition air pipe is connected at the end of the air chamber 910 close to the vertical plate 97, the transition air pipe adopts a two-section structure design of mutual sleeving, and the outer sides of the two ends of the pipe body are fixedly connected with a return spring, and after the leakage circuit breaker to be tested is held by the two oppositely arranged supporting plates 96, the end of the transition air pipe at the end of the air chamber 910 is in contact with the outer wall of the vertical plate 97 and moves, at this time, the return spring is in a natural state, in addition, the diameter of the transition air pipe can be set to be greater than the diameter of the insertion hole, and the air outlet time of the insertion hole can be prolonged during the upward movement of the vertical plate 97.

[0074] The inside of the case 11 is further fixedly installed with an electric push rod two 98, the telescopic end of the electric push rod two 98 is fixedly connected with an isolation frame 99, the isolation frame 99 is composed of a straight plate fixedly connected with the telescopic end of the electric push rod two 98 and three partition plates fixed on one side of the straight plate, the distance between the two partition plates close to the feeding end of the conveying belt 14 is equal to the sum of the thicknesses of the plurality of leakage circuit breakers for single batch testing, and the other partition plate is located on the side of the lifting unit away from the other group of lifting units and away from the feeding end of the conveying belt 14, in addition, the end of each partition plate is provided in a V-shaped structure, which facilitates the separation of the leakage circuit breakers in the conveying.

[0075] It should be noted that in the process of pushing the leakage circuit breaker to be tested conveyed on the conveying belt 14 to the test station, when the photoelectric sensor 913 detects that the leakage circuit breaker to be tested crosses the number of lifting units close to the feeding end of the conveying belt 14 reaches the batch test number, a signal is transmitted to the control end, and the electric push rod two 98 is controlled by the control end to push the isolation frame 99 or even the area on the conveying belt 14, and the completed counting leakage circuit breakers are blocked by the farthest separation plate from the feeding end of the conveying belt 14, and at the same time, the two outer separation plates are used to separate the leakage circuit breakers entering the area close to the lifting unit of the feeding end of the conveying belt 14, so that the leakage circuit breakers to be tested outside the lifting area can be blocked and conveyed. At this time, the two sets of oppositely arranged lifting units are used to lift the leakage circuit breakers to be tested in the corresponding area of the conveying belt 14 to the test station for detection. Since the leakage circuit breakers to be tested are placed next to each other on the conveying belt 14, it can be ensured that the number of leakage circuit breakers entering the two test stations is consistent after each blocking.

[0076] In the process of batch testing, the two oppositely arranged electric push rods 192 are used to push the corresponding square ring frame 93 close to the conveying belt 14, so that the two oppositely moving supporting plates 96 support the lower end of the leakage circuit breaker (see the structure of Figure 1 At this time, the reset spring in the initial state is restored to the natural state, and the end of the transition air pipe is attached to the outer wall of the vertical plate 97. Then, the gear 94 inside the square ring frame 93 is driven to rotate by the motor, and the L-shaped rack 95 is driven to move upward by the rotating gear 94, so that the leakage circuit breaker to be tested is lifted. The maximum limit of this lifting process is that the wiring port on the leakage circuit breaker is opposite to the test pole 829 on the detection assembly 82. During the upward movement of the vertical plate 97, the gas in the air chamber 910 is squeezed out when the jack enters the area where the transition air pipe is located, and enters the corresponding wiring port. The impact force of the gas flow blows out the dust and other impurities remaining in the wiring port. Because of the limitation of the shielding arc plate 912, the dust and other impurities discharged from the wiring port can be guided to fall down, avoiding being lifted again and falling into the wiring port, which affects the test precision.

[0077] In the above technical solution, the plurality of cylinders mentioned are single-acting cylinders of type DSA25N200; the plurality of electric push rods mentioned are electric push rods of type HB-DJ801; and the photoelectric sensor 913 mentioned is a mirror surface reflection type photoelectric sensor of type GL6-P1111.

[0078] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A dual-breakpoint integrated residual current circuit breaker testing machine, characterized in that, The double-break integrated residual-current circuit breaker comprises: A shell (1) having an incoming line port (2) and an outgoing line port (3) at two ends, respectively, and having two rocker arms (6) inside, and a linkage shaft (5) fixedly connected between the two rocker arms (6), and an operating handle (4) rotatably embedded on the shell (1) and fixedly sleeved on the linkage shaft (5); The shell (1) further comprises a zero-sequence current transformer, a residual-current tripping device, an arc extinguishing device and a contact system, the contact system comprising two groups of movable and static contacts, and the rocker arms (6) being used to drive the movable and static contacts of the contact system to make contact to open the residual-current circuit breaker; The detection machine is used for residual-current protection detection of the double-break integrated residual-current circuit breaker, and comprises: A cabinet (11) having a partition frame (10) fixedly arranged inside, a partition strip (12) fixedly arranged at the top middle portion of the partition frame (10), a channel groove (13) penetratingly arranged on one side of the cabinet (11), and a conveying belt (14) arranged in the channel groove (13) and used for conveying the residual-current circuit breaker into a designated station; A test mechanism (8) comprising a pushing assembly (81) arranged on the top of the partition frame (10), a detection assembly (82) arranged on the pushing end of the pushing assembly (81), and a dialing assembly (83) arranged on the pushing assembly (81) and used for dialing the operating handle (4), the test mechanism (8) being provided with two groups, and the two groups of test mechanisms (8) being arranged on the two sides of the partition strip (12); The pushing assembly (81) comprises a pad frame (811) fixedly arranged on the top of the partition frame (10), track frames (812) fixedly arranged on the top of the pad frame (811) and on both sides, and installation frames (814) fixedly arranged on both ends of the top of the pad frame (811), and air cylinders (815) fixedly arranged on the opposite sides of the two installation frames (814), and a sliding table (813) fixedly connected to the extension ends of the two air cylinders (815) and slidably arranged between the two track frames (812); The detection assembly (82) comprises a lifting plate (821) arranged on the bottom of the corresponding sliding table (813) and an air cylinder (822) fixedly arranged on the top of the corresponding sliding table (813), and the extension ends of the air cylinder (822) are fixedly connected with the lifting plate (821) through the sliding table (813); The detection assembly (82) further comprises J-shaped plates (824) fixedly arranged on both ends of the bottom of the corresponding sliding table (813), and a test frame (823) fixedly connected between the other ends of the two J-shaped plates (824), and the test frame (823) is hollow, and a wire (828) and a test pole (829) are fixedly arranged on the two sides of the test frame (823), and the one ends of the wire (828) and the test pole (829) extending into the test frame (823) are fixedly connected with butt joint end columns; A lifting mechanism (9) comprising a photoelectric sensor (913) arranged on the bottom of one of the test mechanisms (8) and used for counting the residual-current circuit breaker passing through, and a lifting piece used for lifting the residual-current circuit breaker to be detected to the test station for detection.

2. The dual-breakpoint integrated electric leakage circuit breaker detection machine according to claim 1, characterized in that, The lifting plate (821) and the test rack (823) are provided with a conduction assembly for controlling the on-off of the two butt joint end columns, the conduction assembly comprises a horizontal plate one (825) fixedly connected with the lifting plate (821) and an insertion strip (827) fixed at the bottom of the horizontal plate one (825), the bottom end of the insertion strip (827) is movably inserted into the test rack (823), and the bottom end of the insertion strip (827) is provided with a conduction piece corresponding to the position of each group of butt joint end columns; The conduction piece comprises a conductive ring column (8210) fixedly penetrating the bottom end of the insertion strip (827) and an insertion slot (8214) formed at the end of the two butt joint end columns, a circular plate (8211) is fixedly arranged at the inner side of the conductive ring column (8210), and two plugs (8213) are movably inserted into the conductive ring column (8210), and the two plugs (8213) are fixedly connected with the spring two (8212) between the corresponding sides of the circular plate (8211).

3. The dual-breakpoint integrated electric leakage circuit breaker detection machine according to claim 1, characterized in that, The dialing assembly (83) comprises a mounting seat and a guide rod (833) fixed at the top of the corresponding sliding table (813), a gas cylinder three (831) is fixedly installed on one side of the mounting seat, and the extension end of the gas cylinder three (831) is fixedly connected with a dialing strip (832), and the other end of the guide rod (833) movably penetrates the dialing strip (832).

4. The dual-breakpoint integrated electric leakage circuit breaker detection machine according to claim 2, characterized in that, A comparison mechanism (7) is arranged between the two rail frames (812) at the top of the pad frame (811), and the comparison mechanism (7) comprises a sample frame (71) fixed between the two rail frames (812) and a comparison assembly (72) arranged between the sample frame (71) and one of the detection assemblies (82). The comparison assembly (72) comprises a push plate fixedly connected to one side of the horizontal plate one (825) and a through slot formed in one side of the sample frame (71), a plug plate (721) is movably inserted into the through slot, a straight bar (723) is fixedly arranged at one end of the plug plate (721) close to the push plate, a straight rod (722) is fixedly arranged on one side of the sample frame (71) and movably penetrates the straight bar (723), and a spring one (724) is arranged on the outer side of the straight rod (722) and fixedly connected with the sample frame (71) and the straight bar (723).

5. The dual-breakpoint integrated electric leakage circuit breaker detection machine according to claim 1, characterized in that, The lifting piece comprises an L-shaped bracket (91) fixed to the inner side of the cabinet (11) and an electric push rod one (92) opposite to the test mechanism (8), the extension end of the electric push rod one (92) is fixedly connected with a square ring frame (93) movably lapped on the upper surface of the L-shaped bracket (91), the square ring frame (93) movably inserts an L-shaped rack (95) inside, and the square ring frame (93) rotatably installs a gear (94) inside and engages with the L-shaped rack (95), and the L-shaped rack (95) is fixedly provided with a supporting plate (96) at the top end.

6. The dual-breakpoint integrated electric leakage circuit breaker detection machine according to claim 5, wherein, The lifting piece further comprises a vertical plate (97) fixed at the top end of the L-shaped rack (95) and a gas chamber (910) fixed to the inner side of the partition frame (10), the gas chamber (910) is connected with a gas pipe (911) at the bottom, a plurality of insertion holes are formed in the vertical plate (97), a shielding arc plate (912) is fixedly arranged on the side of the vertical plate (97) away from the gas chamber (910) and corresponding to the position of each insertion hole, and the vertical plate (97) is attached to the gas outlet end of the gas chamber (910). The electric push rod two (98) is fixedly installed on the inner side of the cabinet (11), and the telescopic end of the electric push rod two (98) is fixedly connected with the isolation frame (99).

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