CN115128416B

CN115128416B - Voltage resistance testing device and method

Info

Publication number: CN115128416B
Application number: CN202211046096.6A
Authority: CN
Inventors: 舒伟; 董汉; 陈超
Original assignee: Suzhou Tsing Standard Automobile Technology Co ltd
Current assignee: Suzhou Tsing Standard Automobile Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-18
Anticipated expiration: 2042-08-30
Also published as: CN115128416A

Abstract

The invention belongs to the technical field of testing dielectric strength, and relates to a voltage resistance testing device and method. The invention aims to provide a withstand voltage testing device and a withstand voltage testing method with high safety. The invention provides a voltage-withstanding testing device which comprises a first flip cover, a second flip cover, an auxiliary detection mechanism and a driving mechanism, wherein the first flip cover and the second flip cover are rotatably connected to a supporting frame, the auxiliary detection mechanism is arranged on one side, away from the second flip cover, of a supporting seat, the auxiliary detection mechanism is used for automatically detecting the voltage-withstanding of an electric appliance to be tested, the driving mechanism is arranged on the auxiliary detection mechanism, and the driving mechanism is used for driving the auxiliary detection mechanism to work. According to the invention, the speed reducing motor is used as a driving force to drive the fixing frame to move left and right, and then the electric push rod is used as a driving force to drive the fixing frame to move down to perform voltage resistance test on the to-be-tested electric appliance, so that a worker does not need to control the fixing frame by hand, the electric shock risk of the worker is reduced, and the safety is high.

Description

Voltage resistance testing device and method

Technical Field

The invention belongs to the technical field of testing dielectric strength, and relates to a voltage resistance testing device and method.

Background

Before a power battery charge and discharge tester works, voltage resistance testing is often required to be carried out on the power battery charge and discharge tester, the voltage resistance testing instrument needs to be adjusted to be twice of the normal working voltage of an electric appliance from a rated voltage in the process, and whether safe working can be carried out or not is judged through similar phenomena such as electric arcs and the like caused by the situation that a high-voltage lead wire on the voltage resistance testing instrument is subjected to instantaneous overvoltage.

In the process of using a voltage-withstanding tester for manual detection, the existing detection head needs manual operation of a worker, and meanwhile, although rubber insulating gloves are needed to be worn during operation and safety protection measures are made, electric shock risks still exist in the operation process as long as manual operation is carried out.

In summary, there is a need for a voltage withstanding test apparatus and method that can completely eliminate the risk of electric shock without any manual operation during the test process, so as to solve the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects that a high-voltage test probe is manually contacted with an electric appliance by a worker, electric shock risks exist, and certain potential safety hazards exist, the invention aims to provide a voltage-resistant test device and a voltage-resistant test method which do not need any manual operation in the test process and completely eliminate the electric shock risks.

The invention is realized by the following technical approaches:

the utility model provides a withstand voltage testing arrangement, including the supporting seat, withstand voltage tester and carriage, install withstand voltage tester on the supporting seat, the supporting seat top is connected with the carriage, still including first flip, the second flip, supplementary detection mechanism and actuating mechanism, the last rotation type of carriage is connected with first flip and second flip, one side that the second flip was kept away from to the supporting seat is equipped with supplementary detection mechanism, supplementary detection mechanism is used for driving high voltage test probe each side and removes, be equipped with actuating mechanism in the supplementary detection mechanism, actuating mechanism is used for driving supplementary detection mechanism work.

Preferably, the auxiliary detection mechanism comprises a supporting plate, a guide rail, a first sliding plate, a guide rod, a fixing frame, a second sliding plate and an electric push rod, one side of the supporting seat top, which is far away from the second flip, is connected with the supporting plate, one side of the supporting seat, which is far away from the supporting seat, is connected with the guide rail, the guide rail is connected with the first sliding plate in a sliding manner, the first sliding plate is connected with the second sliding plate in a sliding manner, the second sliding plate is connected with the fixing frame, which is used for clamping and fixing the high-voltage test probe, the side, which is close to the guide rod, of the second sliding plate is connected with the electric push rod, which is used for controlling the fixing frame to move up and down, and the telescopic rod of the electric push rod is connected with the fixing frame.

Preferably, the driving mechanism comprises a speed reducing motor and a screw rod, one side of the guide rail, which is far away from the first sliding plate, is connected with the speed reducing motor for driving the fixing frame to move, the output shaft of the speed reducing motor is connected with the screw rod, the screw rod is rotatably connected with the guide rail, and the screw rod is in threaded connection with the first sliding plate.

As preferred, still including being used for going out the static release mechanism who derives the electric current that will remain on the electrical apparatus that awaits measuring, static release mechanism is including the bracing piece, the conducting rod, the spiral spring, stay cord and fixed block, one side that the carriage is close to the backup pad is connected with the bracing piece, the rotation type is connected with the conducting rod on the bracing piece, be connected with the spiral spring between conducting rod and the carriage, the spiral spring is around in the bracing piece outside, be connected with the fixed block on the first flip, be connected with the stay cord between fixed block and the conducting rod, the stay cord slidingtype runs through the carriage.

Preferably, the clamping mechanism is used for clamping a zero line and a live wire of an electric appliance to be tested, and comprises a first contact rod, a supporting block, a first clamping block, a second contact rod and a compression spring, one side inside the first flip is connected with the first contact rod, one side, close to the first contact rod, of the inner wall of the supporting frame is connected with the supporting block, one side of the supporting block is connected with the first clamping block, one side, close to the first clamping block, of the supporting block is connected with the second clamping block in a sliding mode, the first clamping block and the second clamping block are both connected with a voltage resistance tester through a peripheral circuit, one side, far away from the first clamping block, of the second clamping block is connected with the second contact rod, the second contact rod is in contact with the first contact rod, and the compression spring is connected between the second clamping block and the supporting block.

Preferably, still including the rubber strip, the one side that the carriage is close to first flip is connected with the rubber strip, and the rubber strip contacts with first flip, and the rubber strip is used for protecting first flip.

Preferably, the first flip cover is made of transparent material.

The invention also provides a voltage-resistant test method using the voltage-resistant test device, which comprises the following steps: the method comprises the steps of firstly, opening a first flip cover and a second flip cover in an upward rotating mode, driving a second clamping block to move towards one side far away from the first clamping block, then discharging an electric appliance to be tested to the top of a supporting seat, adjusting the output voltage of a voltage-withstanding tester to be twice the normal working voltage of the electric appliance to be tested, then extending a hand into a supporting frame from the lower portion of the second flip cover, then placing a live wire and a zero wire of the electric appliance to be tested between the first clamping block and the second clamping block, then turning the first flip cover down to close, driving the second clamping block to move towards one side close to the first clamping block, enabling the first clamping block and the second clamping block to clamp the live wire and the zero wire of the electric appliance to be tested, then extending the hand out, turning the second flip cover down to close, then starting a speed reducing motor, controlling a fixing frame to move to an appropriate position in a left-right mode, then starting an electric push rod, controlling the fixing frame to move downwards to contact with the electric appliance to be tested, forming a current loop, and detecting the leakage current of the electric appliance to be tested through the voltage-withstanding tester.

Compared with the prior art, the invention has the following advantages:

1. according to the invention, the speed reduction motor is used as driving force, the fixing frame can be driven to move left and right, and then the electric push rod is used as driving force, the fixing frame can be driven to move downwards to test the voltage resistance of the electric appliance to be tested, so that a worker does not need to control the fixing frame by hand, the electric shock risk of the worker is reduced, and the safety is higher.

2. When the first turnover cover is turned upwards and opened, the conductive rod can be driven to rotate to be in contact with the electric appliance to be tested, so that the residual static electricity on the electric appliance to be tested can be led out through the conductive rod.

3. When the first turnover cover is turned down and closed, the second clamping block can be driven to move backwards, so that the first clamping block and the second clamping block clamp the line of the equipment to be tested, and the stability is ensured.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic perspective view of an auxiliary detection mechanism according to the present invention.

Fig. 4 is a schematic perspective view of the guide rail and the first sliding plate according to the present invention.

Fig. 5 is a schematic perspective view of the components of the guide bar and the fixing frame of the present invention.

Fig. 6 is a schematic perspective view of the driving mechanism of the present invention.

Fig. 7 is a schematic perspective view of the electrostatic releasing mechanism of the present invention.

Fig. 8 is an enlarged schematic view at a in fig. 7.

Fig. 9 is a schematic perspective view of the clamping mechanism of the present invention.

Fig. 10 is an enlarged schematic view at B in fig. 9.

Reference numerals: 1_ supporting seat, 2_ withstand voltage tester, 3_ supporting frame, 4_ first flip, 5_ second flip, 6_ rubber strip, 7_ auxiliary detection mechanism, 71_ supporting plate, 72_ guide rail, 73_ first sliding plate, 74_ guide bar, 75_ fixed frame, 76_ second sliding plate, 77_ electric push rod, 8_ driving mechanism, 81_ speed reducing motor, 82_ lead screw, 9_ electrostatic release mechanism, 91_ supporting rod, 92_ conducting rod, 93_ scroll spring, 94_ pull rope, 95_ fixed block, 10_ clamping mechanism, 1001_ first contact rod, 1002_ supporting block, 1003_ first clamping block, 1004_ second clamping block 1005, 1005_ second contact rod, 1006_ compression spring.

Detailed Description

The following further describes the technical solution with reference to specific embodiments, and it should be noted that: the words upper, lower, left, right, etc. used herein to indicate orientation are simply for the location of the illustrated structure in the corresponding figures. The part numbers are themselves numbered herein, for example: first, second, etc. are used solely to distinguish one from another as to objects described herein, and do not have any sequential or technical meaning. The application states that: the connection and coupling, unless otherwise stated, include both direct and indirect connections (couplings).

Example 1

A withstand voltage testing device, refer to fig. 1-6, including supporting seat 1, withstand voltage tester 2, carriage 3, first flip 4, second flip 5, supplementary detection mechanism 7 and actuating mechanism 8, the bottom of supporting seat 1 is bolted to withstand voltage tester 2, withstand voltage tester 2 is used for treating the withstand voltage test of electrical apparatus, the top of supporting seat 1 is connected with carriage 3, the upper portion rotary type of carriage 3 is connected with first flip 4, first flip 4 is transparent material, the lower part rotary type of carriage 3 is connected with second flip 5, the top rear side of supporting seat 1 is equipped with supplementary detection mechanism 7, be equipped with actuating mechanism 8 on the supplementary detection mechanism 7.

Referring to fig. 2-6, the auxiliary detection mechanism 7 includes a support plate 71, a guide rail 72, a first sliding plate 73, a guide rod 74, a fixed frame 75, a second sliding plate 76 and an electric push rod 77, the support plate 71 is connected to the rear side of the top of the support base 1, the guide rail 72 is connected to the upper portion of the front side of the support plate 71, the first sliding plate 73 is slidably connected to the left side of the guide rail 72, the second sliding plate 76 is slidably connected to the first sliding plate 73, the guide rod 74 is connected to the middle of the bottom of the second sliding plate 76, the fixed frame 75 is slidably connected to the guide rod 74, the electric push rod 77 is bolted to the rear side of the bottom of the second sliding plate 76, a telescopic rod of the electric push rod 77 is connected to the fixed frame 75, the electric push rod 77 is started, the fixed frame 75 can be controlled to move up and down, manual contact with the fixed frame 75 is not required, and electric shock of workers is avoided.

Referring to fig. 2 and 6, the driving mechanism 8 includes a reduction motor 81 and a screw rod 82, the reduction motor 81 is bolted to the right side of the guide rail 72, the screw rod 82 is connected to an output shaft of the reduction motor 81, the screw rod 82 is rotatably connected to the guide rail 72, the screw rod 82 is in threaded connection with the first sliding plate 73, the reduction motor 81 is started, and the left and right movement of the fixing frame 75 can be controlled.

Before the voltage-withstanding manual test is carried out, firstly, a high-voltage test probe is connected with an electric control end and a high-voltage output end of a voltage-withstanding tester 2, then, a first flip 4 and a second flip 5 rotate upwards to be opened, an electric appliance to be tested is placed in a supporting frame 3, then, a power switch of the voltage-withstanding tester 2 is opened, an output voltage value is adjusted according to needs, a speed reducing motor 81 is started, a first sliding plate 73 is driven to move left and right through forward and reverse rotation of a screw rod 82, then, the high-voltage test probe on a fixing frame 75 is driven to move left and right in a combined mode of a second sliding plate 76 until the high-voltage test probe corresponds to the equipment to be tested in the vertical direction, the operation of the movement is finished, and then, the second flip 5 rotates downwards to be closed. After the test is started, the electric push rod 77 controls the high-voltage test probe to move downwards to be in contact with the detection end, and the high-voltage test probe is started automatically, so that the leakage current of the electric appliance to be tested is detected, data is recorded, and whether the electric appliance to be tested reaches the standard is judged. And stopping outputting the voltage after the detection is finished, and restoring the operation.

Example 2

On the basis of embodiment 1, refer to fig. 2, fig. 7 and fig. 8, still include electrostatic release mechanism 9, electrostatic release mechanism 9 is including bracing piece 91, conducting rod 92, spiral spring 93, stay cord 94 and fixed block 95, the welding of rear side middle part of carriage 3 has bracing piece 91, the last rotation type of bracing piece 91 is connected with conducting rod 92, when conducting rod 92 contacts with the electrical apparatus that awaits measuring, can derive remaining electric current on the electrical apparatus that awaits measuring, be connected with spiral spring 93 between conducting rod 92 and the carriage 3, spiral spring 93 winds outside bracing piece 91, the top rear side of first flip 4 is connected with fixed block 95, be connected with stay cord 94 between fixed block 95 rear side and the conducting rod 92 upper end, stay cord 94 slidingtype runs through carriage 3.

When first flip 4 is in the closed condition, volute spiral spring 93 is in the deformation state, and when the staff up rotated first flip 4 through insulating tool and opened after the detection, first flip 4 can drive fixed block 95 and up rotated to loosen stay cord 94, volute spiral spring 93 reconversion drives conducting rod 92 and rotates, and the lower extreme of conducting rod 92 can contact with supporting seat 1, alright carry out electrostatic discharge to the high voltage environment after the work.

Referring to fig. 2, 9 and 10, the testing device further includes a clamping mechanism 10, the clamping mechanism 10 includes a first contact rod 1001, a supporting block 1002, a first clamping block 1003, a second clamping block 1004, a second contact rod 1005 and a compression spring 1006, the first contact rod 1001 is connected to the right side of the inner top of the first flip 4, the supporting block 1002 is welded to the right side of the inner wall of the supporting frame 3, the first clamping block 1003 is connected to the rear side of the supporting block 1002, the second clamping block 1004 is movably connected to the rear side of the supporting block 1002, the second clamping block 1004 is located on the front side of the first clamping block 1003, the second clamping block 1004 moves backwards and can clamp the live wire and the neutral wire of the electrical appliance to be tested with the first clamping block 1003, the first clamping block 1003 and the second clamping block 1004 are both connected to the withstand voltage tester 2 through a peripheral circuit, the second contact rod 1005 is connected to the front side of the second clamping block 1004, the second contact rod 1005 is in contact with the first contact rod 1001, and the compression spring 1006 is connected between the second clamping block 1004 and the supporting block 1002.

When first flip 4 closes, compression spring 1006 is in an extended state, when the staff upwards rotates first flip 4 and second flip 5 to open, first flip 4 can drive first contact bar 1001 to upwards rotate, make first contact bar 1001 and second contact bar 1005 separate, compression spring 1006 recovers the original state, drive second clamp splice 1004 and second contact bar 1005 to move forward, then can put the circuit in the detection process between first clamp splice 1003 and second clamp splice 1004, rotate first flip 4 downwards again to close, first flip 4 can drive first contact bar 1001 to rotate downwards to reset, when first contact bar 1001 contacts with second contact bar 1005, can extrude second contact bar 1005 to move backwards, drive second clamp splice 1004 to move backwards, compression spring 1006 stretches, make first clamp splice 1003 and second clamp splice 1004 to clip the circuit.

Still including rubber strip 6, the left and right sides at 3 tops of carriage all is connected with rubber strip 6, rubber strip 6 and the contact of first flip 4.

When first flip 4 rotates down and closes, rubber strip 6 can play the cushioning effect, avoids first flip 4 directly to bump with carriage 3.

The invention also provides a voltage-withstanding test method using the voltage-withstanding test device, which comprises the following steps: first, the first flip cover 4 and the second flip cover 5 are turned upwards to be opened, the second clamp block 1004 can be driven to move towards one side far away from the first clamp block 1003, then an electric appliance to be tested is placed on the top of the support base 1, the output voltage of the voltage-withstanding tester 2 is adjusted to be twice of the normal working voltage of the electric appliance to be tested, then a hand extends into the support frame 3 from the lower side of the second flip cover 5, a circuit is placed between the first clamp block 1003 and the second clamp block 1004, then the first flip cover 4 is turned downwards to be closed, the second clamp block 1004 can be driven to move towards one side close to the first clamp block 1003, the first clamp block 1003 and the second clamp block 1004 clamp a live wire and a zero line of the electric appliance to be tested, the hand extends out, then the second flip cover 5 is turned downwards to be closed, the speed reduction motor 81 is started, the fixing frame 75 is controlled to move to a proper position, the electric push rod 77 is started, the downward movement of the fixing frame 75 is controlled to contact with the detection end of the electric appliance to be tested, and the leakage current can be detected through the voltage-withstanding tester 2.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A withstand voltage testing device comprises a supporting seat (1), a withstand voltage tester (2) and a supporting frame (3), wherein the withstand voltage tester (2) is installed on the supporting seat (1), and the supporting frame (3) is connected to the top of the supporting seat (1), and is characterized by further comprising a first flip cover (4), a second flip cover (5), an auxiliary detection mechanism (7) and a driving mechanism (8), wherein the first flip cover (4) and the second flip cover (5) are rotatably connected to the supporting frame (3), one side, away from the second flip cover (5), of the supporting seat (1) is provided with the auxiliary detection mechanism (7), the auxiliary detection mechanism (7) is used for driving a high-voltage testing probe to move in all directions, the auxiliary detection mechanism (7) is provided with the driving mechanism (8), and the driving mechanism (8) is used for driving the auxiliary detection mechanism (7) to work;

the auxiliary detection mechanism (7) comprises a supporting plate (71), a guide rail (72), a first sliding plate (73), a guide rod (74), a fixing frame (75), a second sliding plate (76) and an electric push rod (77), one side, far away from the second turnover cover (5), of the top of the supporting seat (1) is connected with the supporting plate (71), one side, far away from the supporting seat (1), of the supporting plate (71) is connected with the guide rail (72), the guide rail (72) is connected with the first sliding plate (73) in a sliding mode, the first sliding plate (73) is connected with the second sliding plate (76) in a sliding mode, the second sliding plate (76) is connected with the guide rod (74), the guide rod (74) is connected with the fixing frame (75) used for clamping and fixing the high-pressure test probe in a sliding mode, one side, close to the guide rod (74), of the second sliding plate (76) is connected with the electric push rod (77) used for controlling the fixing frame (75) to move up and down, and the telescopic rod of the electric push rod (77) is connected with the fixing frame (75);

the driving mechanism (8) comprises a speed reducing motor (81) and a screw rod (82), one side, far away from the first sliding plate (73), of the guide rail (72) is connected with the speed reducing motor (81) used for driving the first sliding plate (73) to move, the output shaft of the speed reducing motor (81) is connected with the screw rod (82), the screw rod (82) is rotatably connected with the guide rail (72), and the screw rod (82) is in threaded connection with the first sliding plate (73);

the static electricity detection device is characterized by further comprising a static electricity release mechanism (9) used for leading out current remained on an electric appliance to be detected, wherein the static electricity release mechanism (9) comprises a supporting rod (91), a conducting rod (92), a volute spring (93), a pull rope (94) and a fixing block (95), one side, close to the supporting plate (71), of the supporting frame (3) is connected with the supporting rod (91), the conducting rod (92) is rotatably connected onto the supporting rod (91), the conducting rod (92) is externally connected with a low-potential conducting structure, the volute spring (93) is connected between the conducting rod (92) and the supporting frame (3), the volute spring (93) is wound on the outer side of the supporting rod (91), the fixing block (95) is connected onto the first flip cover (4), the pull rope (94) is connected between the fixing block (95) and the conducting rod (92), and the pull rope (94) penetrates through the supporting frame (3) in a sliding mode;

still including fixture (10) that is used for cliping the zero line and the live wire of the electrical apparatus that awaits measuring, fixture (10) are including first contact lever (1001), supporting shoe (1002), first clamp splice (1003), second clamp splice (1004), second contact lever (1005) and compression spring (1006), first flip (4) inside one side is connected with first contact lever (1001), one side that the inner wall of carriage (3) is close to first contact lever (1001) is connected with supporting shoe (1002), one side of supporting shoe (1002) is connected with first clamp splice (1003), one side sliding connection that supporting shoe (1002) is close to first clamp splice (1003) is with second clamp splice (1004), first clamp splice (1003) and second clamp splice (1004) all pass through peripheral circuit connection with withstand voltage test appearance (2), one side that second clamp splice (1004) kept away from first clamp splice (1003) is connected with second contact lever (1005), second contact lever (1005) and first contact lever (1001) contact, be connected with compression spring (1006) between second clamp splice (1002) and the second clamp splice (1004).

2. The withstand voltage testing device of claim 1, characterized in that, still include rubber strip (6), the one side that the carriage (3) is close to first flip (4) is connected with rubber strip (6), rubber strip (6) and first flip (4) contact, rubber strip (6) are used for protecting first flip (4).

3. A withstand voltage testing device according to claim 2, wherein the first flip cover (4) is made of a transparent material.

4. A withstand voltage testing method using the withstand voltage testing apparatus according to claim 1, characterized by comprising the steps of: the detection device comprises a first turnover cover (4), a second turnover cover (5), a support seat (1), a withstand voltage tester (2), a first clamp block (1004), a second clamp block (1003), a hand, a motor (81), a speed reducing motor (75), a push rod (75), a voltage testing device (77), a voltage testing device and a power-driven testing device, wherein the first turnover cover (4) and the second turnover cover (5) are opened by upward rotation, the second clamp block (1004) can be driven to move towards one side far away from the first clamp block (1003), then an electric appliance to be tested is placed at the top of the support seat (1), the output voltage of the withstand voltage tester (2) is adjusted to be twice the normal working voltage of the electric appliance to be tested, the hand extends into the support frame (3) from the lower part of the second turnover cover (5), the live wire and zero wire of the electric appliance to be tested are placed between the first clamp block (1003) and the second clamp block (1004), the first turnover cover (4) is closed by downward rotation, the second clamp block (1004) can be driven to move towards one side near the first clamp block (1003), the second clamp block (1003) and the second clamp block (1004) can clamp block (1004) clamp the circuit in the detection process, the hand extends out, the second clamp block (75) can be closed by downward rotation, the speed reducing motor (75), the contact with the test device to be tested, and the test device to be tested can be tested, and the test device to be tested, and the electric appliance to be tested can be tested, and the test device to be tested, and the test device to be tested can be tested, the electric device to be tested can be tested, and the electric device to be tested can be tested, and the electric device to be tested.