CN210222140U - Device for testing power interference - Google Patents
Device for testing power interference Download PDFInfo
- Publication number
- CN210222140U CN210222140U CN201920549882.5U CN201920549882U CN210222140U CN 210222140 U CN210222140 U CN 210222140U CN 201920549882 U CN201920549882 U CN 201920549882U CN 210222140 U CN210222140 U CN 210222140U
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Abstract
The utility model discloses a be used for power disturbance testing arrangement, which comprises a bracket, the top of support is provided with the upper cover, the top of upper cover is provided with first motor, one side of first motor is provided with the traction wheel, the bottom of support is provided with the headstock, is provided with the lead screw between headstock and the upper cover, one side of lead screw is provided with the stabilizer bar, be provided with the lead screw sleeve on the lead screw, be provided with sliding sleeve on the stabilizer bar, the telescopic one end fixedly connected with thick plate of lead screw, the one end of thick plate is provided with a hydraulic cylinder, the one end of hydraulic cylinder is provided with the hydraulic stem, the one end of hydraulic stem is provided with presss from both sides tight piece, the top of thick plate is provided with the pull ring, is provided with the steel wire between. The utility model discloses a set up testing arrangement, reached fixed effect, through setting up headstock and removal case, reached the effect of adjusting from top to bottom and level (l) ing, through setting up the base, reached absorbing effect.
Description
Technical Field
The utility model relates to a power disturbance test technical field specifically is a be used for power disturbance testing arrangement.
Background
The power interference testing device is a high-precision testing instrument, the testing speed is high, the testing instrument is not influenced by other signal factors, the existing testing device needs to test articles one by one, the testing device is large, the testing is very troublesome, the testing device cannot be fixed, the testing effect is not good, in the testing process, the testing device cannot perform corresponding adjustment on the size of a detected product, certain difficulty is brought to the testing process, and when the testing device is used on a machine tool, the shock absorption is needed to slow down mechanical damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for power disturbance testing arrangement possesses and presss from both sides tight, adjusts convenient and absorbing advantage, has solved unable fixed, regulation difficulty and mechanical damage's problem.
In order to achieve the above object, the utility model provides a following technical scheme: a power interference testing device comprises a support, wherein an upper cover is arranged at the top of the support, a first motor is arranged at the top of the upper cover, a traction wheel is arranged on one side of the first motor, a power box is arranged at the bottom of the support, a lead screw is arranged between the power box and the upper cover, a stabilizer bar is arranged on one side of the lead screw, a lead screw sleeve is arranged on the lead screw, a sliding sleeve is arranged on the stabilizer bar, a thick plate is fixedly connected to one end of the lead screw sleeve, a hydraulic cylinder is arranged at one end of the thick plate, a hydraulic rod is arranged at one end of the hydraulic cylinder, a clamping block is arranged at one end of the hydraulic rod, a pull ring is arranged at the top of the thick plate, a steel wire is arranged between the pull ring and the traction wheel, a cross beam is arranged at the middle part of the thick, the bottom of connecting rod is provided with testing arrangement, the top of headstock is provided with the axis of rotation, the one end of axis of rotation is provided with first casing, the inside of first casing is provided with first conveyer belt wheel, the other end of axis of rotation is provided with the second casing, the inside of second casing is provided with the second motor, the one end of second motor is provided with second conveyer belt wheel, is provided with the conveyer belt between first conveyer belt wheel and the second conveyer belt wheel.
Preferably, a third motor is arranged inside the power box, a central gear is arranged in the middle of the third motor, planetary gears are arranged at two ends of the central gear, a transmission shaft is arranged at one end of each planetary gear, a first bevel gear is arranged at one end of the transmission shaft, a second bevel gear is arranged at one end of each first bevel gear, and the second bevel gears are fixedly connected with the screw rods.
Preferably, both ends of the testing device are provided with fastening screws, threaded holes are formed in both sides of the testing device, a clamping plate is arranged on one side of each fastening screw, springs are arranged on both sides of each fastening screw, and the springs are fixedly connected with the clamping plates.
Preferably, the bottom of headstock is provided with the base, the inside of base is provided with the horizontal pole, the both sides of horizontal pole all are provided with the spliced pole, be provided with slip cap and damping spring on the spliced pole respectively, the top of horizontal pole is provided with the snubber block, the both ends of snubber block all are provided with the strengthening rib, the top of snubber block is provided with the shock attenuation board, the bottom of horizontal pole is provided with elastic steel sheet.
Preferably, one end of the first conveying belt wheel is provided with a bearing, the rotating shaft is arranged on the bearing, and a bearing seat is arranged at the bottom of the bearing.
Preferably, the first motor is movably connected with the traction wheel through a coupling.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a set up testing arrangement, put into testing arrangement with the test instrument, screw up fastening bolt, fastening bolt promotes the clamp plate, the spring produces the pulling force simultaneously, the clamp plate is fixed the test instrument, fixed effect has been reached, through setting up headstock and removal case, when testing arrangement needs the up-down regulation, the third motor is opened, the third motor clockwise rotates, the third motor drives sun gear clockwise, sun gear drives planetary gear anticlockwise rotation, planetary gear drives first bevel gear clockwise through the transmission shaft, first bevel gear drives second bevel gear anticlockwise rotation, second bevel gear drives lead screw anticlockwise rotation, the lead screw sleeve moves up along the lead screw, simultaneously, first motor drives the traction wheel rotation, the traction wheel stimulates the steel wire, the steel wire passes through the pull ring and stimulates the thick plate, the thick plate drives the crossbeam to move up, the crossbeam drives the movable box, the movable box drives the testing device to move upwards, the third motor rotates anticlockwise, the central gear drives the planetary gear to rotate clockwise, the planetary gear drives the first bevel gear to rotate anticlockwise through the transmission shaft, the first bevel gear drives the second bevel gear to rotate clockwise, the second bevel gear drives the screw rod to rotate clockwise, the screw rod sleeve moves downwards along the screw rod, meanwhile, the traction wheel pulls the thick plate through a steel wire, balance of downward movement is kept, the thick plate drives the crossbeam to move downwards, the crossbeam drives the movable box to move downwards, the movable box drives the testing device to move downwards, the effect of up-down adjustment is achieved, the hydraulic rod on the thick plate supports the movable box, when horizontal adjustment is needed, the hydraulic rod on one side of the movable box is extended, the hydraulic rod on the other side of the movable box is shortened, the movable box moves left and right, the movable box drives, through setting up the base, when the device moves, support and headstock produce the effort to the base, and the effort transmits the snubber block through the shock attenuation board, and the snubber block is with the effort to the strengthening rib, and the strengthening rib transmits the effort to the horizontal pole, and the horizontal pole area sliding sleeve moves down, and sliding sleeve compression damping spring, the horizontal pole produces pressure to the elastic steel piece simultaneously, has reached absorbing effect.
2. The utility model discloses a testing arrangement can make test instrument fixed, can effectively avoid testing arrangement to appear mechanical damage through the base, can effectively strengthen testing arrangement's flexibility through the headstock, can effectively reduce rocking of testing arrangement through hydraulic means to the effectual unable problem of adjusting of testing arrangement of having solved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a side view of the present invention;
FIG. 3 is a schematic structural view of the testing device of the present invention;
fig. 4 is a schematic view of the base structure of the present invention.
In the figure: 1 bracket, 2 power box, 3 first motor, 4 traction wheel, 5 steel wire, 6 upper cover, 7 lead screw, 8 stabilizing rod, 9 lead screw sleeve, 10 sliding sleeve, 11 thick plate, 12 hydraulic cylinder, 13 hydraulic rod, 14 clamping block, 15 pull ring, 16 cross beam, 17 moving box, 18 connecting rod, 19 testing device, 20 first shell, 21 first transmission belt wheel, 22 transmission belt, 23 second shell, 24 second motor, 25 rotation shaft, 26 second transmission belt wheel, 27 third motor, 28 central gear, 29 planetary gear, 30 transmission shaft, 31 first bevel gear, 32 second bevel gear, 33 base, 191 clamping plate, 192 spring, 193 fastening screw, 331 damping plate, 332 damping block, reinforcing rib, 334 cross bar, 335 sliding sleeve, 336 damping spring, 337 elastic and 338 connecting column.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a device for testing power interference includes a bracket 1, an upper cover 6 is disposed on the top of the bracket 1, a first motor 3 is disposed on the top of the upper cover 6, a traction wheel 4 is disposed on one side of the first motor 3, the first motor 3 is movably connected to the traction wheel 4 through a coupling, a power box 2 is disposed on the bottom of the bracket 1, a third motor 27 is disposed inside the power box 2, a central gear 28 is disposed in the middle of the third motor 27, planetary gears 29 are disposed on both ends of the central gear 28, a transmission shaft 30 is disposed on one end of the planetary gear 29, a first bevel gear 31 is disposed on one end of the transmission shaft 30, a second bevel gear 32 is disposed on one end of the first bevel gear 31, the second bevel gear 32 is fixedly connected to a screw 7, the screw 7 is disposed between the power box 2 and the upper cover 6, and a stabilizer bar 8 is disposed, the stabilizing rod 8 plays a role of stabilizing a lead screw sleeve 9, the lead screw 7 is provided with the lead screw sleeve 9, the stabilizing rod 8 is provided with a sliding sleeve 10, the sliding sleeve 10 is fixedly connected with the lead screw sleeve 9, one end of the lead screw sleeve 9 is fixedly connected with a thick plate 11, one end of the thick plate 11 is provided with a hydraulic cylinder 12, one end of the hydraulic cylinder 12 is provided with a hydraulic rod 13, one end of the hydraulic rod 13 is provided with a clamping block 14, the hydraulic rod 13 on the thick plate 11 props against a movable box 17, the hydraulic rod 13 on one side of the movable box 17 extends, the hydraulic rod 13 on the other side shortens, the movable box 17 is driven to horizontally move, the movable box 17 drives a testing device 19 to horizontally move and plays a role of horizontal adjustment, the top of the thick plate 11 is provided with a pull ring 15, a steel wire 5 is arranged between the pull ring 15 and the traction wheel 4, the steel wire 5 plays a role of, the movable box moves horizontally on the cross beam 16, the bottom of the movable box 17 is provided with a connecting rod 18, the bottom of the connecting rod 18 is provided with a testing device 19, two ends of the testing device 19 are both provided with fastening screws 193, two sides of the testing device 19 are both provided with threaded holes, one side of each fastening screw 193 is provided with a clamping plate 191, two sides of each fastening screw 193 are both provided with springs 192, each spring 192 is fixedly connected with the clamping plate 191, each fastening screw 193 is tightened, each fastening screw 193 pushes the corresponding clamping plate 191, each clamping plate 191 fixes a testing instrument to play a fixing role, each third motor 27 is started, each third motor 27 rotates clockwise, each third motor 27 drives the corresponding central gear 28 to rotate clockwise, each central gear 28 drives the corresponding planetary gear 29 to rotate anticlockwise, each planetary gear 29 drives the corresponding first bevel gear 31 to rotate clockwise through the corresponding transmission shaft 30, each first bevel gear 31 drives the corresponding second bevel gear 32 to rotate anticlockwise, the second bevel gear 32 drives the screw rod 7 to rotate anticlockwise, the screw rod sleeve 9 moves upwards along the screw rod 7, meanwhile, the first motor 3 drives the traction wheel 4 to rotate, the traction wheel 4 pulls the steel wire 5, the steel wire 5 pulls the thick plate 11 through the pull ring 15, the thick plate 11 drives the crossbeam 16 to move upwards, the crossbeam 16 drives the moving box 17, the moving box 17 drives the testing device 19 to move upwards, the third motor 27 rotates anticlockwise, the central gear 28 drives the planetary gear 29 to rotate clockwise, the planetary gear 29 drives the first bevel gear 31 to rotate anticlockwise through the transmission shaft 30, the first bevel gear 31 drives the second bevel gear 32 to rotate clockwise, the second bevel gear 32 drives the screw rod 7 to rotate clockwise, the screw rod sleeve 9 moves downwards along the screw rod 7, meanwhile, the traction wheel 4 pulls the thick plate 11 through the steel wire 5 to keep balance of downward movement, the thick, the crossbeam 16 drives the moving box 17 to move downwards, the moving box 17 drives the testing device 19 to move downwards to play a role of up-and-down adjustment, the top of the power box 2 is provided with a rotating shaft 25, one end of the rotating shaft 25 is provided with a first shell 20, a first conveying belt wheel 21 is arranged inside the first shell 20, one end of the first conveying belt wheel 21 is provided with a bearing, the rotating shaft 25 is arranged on the bearing, the bottom of the bearing is provided with a bearing seat, the other end of the rotating shaft 25 is provided with a second shell 23, a second motor 24 is arranged inside the second shell 23, one end of the second motor 24 is provided with a second conveying belt wheel 26, a conveying belt 22 is arranged between the first conveying belt wheel 21 and the second conveying belt wheel 26, the second motor 24 rotates, the second motor 24 drives the rotating shaft 25, the rotating shaft 25 drives the first conveying belt wheel 21 and the second conveying belt wheel 26, the first conveying belt wheel 21 and the, the function of conveying the test product is achieved.
Referring to fig. 1 and 4, a base 33 is disposed at the bottom of a power box 2, a cross bar 334 is disposed inside the base 33, connecting posts 338 are disposed on both sides of the cross bar 334, a sliding sleeve 335 and a damping spring 336 are disposed on the connecting posts 338 respectively, a damping block 332 is disposed at the top of the cross bar 334, reinforcing ribs 333 are disposed at both ends of the damping block 332, a damping plate 331 is disposed at the top of the damping block 332, an elastic steel sheet 337 is disposed at the bottom of the cross bar 334, a support 1 and the power box 2 generate an acting force on the base 33, the acting force is transmitted to the damping block 332 through the damping plate 331, the damping block 332 applies a force to the reinforcing ribs 333, the reinforcing ribs 333 transmit the acting force to the cross bar 334, the cross bar 334 drives the sliding sleeve 335, the damping spring 336 is compressed by the sliding sleeve 335.
The working principle is as follows: the utility model discloses a during the use, firstly fix the test instrument, put into testing arrangement 19 with the test instrument, screw up fastening bolt 193, fastening bolt 193 promotes clamp plate 191, spring 192 produces the pulling force simultaneously, clamp plate 191 fixes the test instrument, adjust testing arrangement 19, when testing arrangement 19 needs the up-down regulation, third motor 27 is opened, third motor 27 clockwise rotates, third motor 27 takes sun gear 28 clockwise to rotate, sun gear 28 takes planetary gear 29 anticlockwise to rotate, planetary gear 29 takes first bevel gear 31 clockwise to rotate through transmission shaft 30, first bevel gear 31 takes second bevel gear 32 anticlockwise to rotate, second bevel gear 32 takes lead screw 7 anticlockwise to rotate, lead screw sleeve 9 moves up along lead screw 7, simultaneously, first motor 3 takes traction wheel 4 to rotate, traction wheel 4 stimulates steel wire 5, steel wire 5 passes through pull ring 15 and stimulates thick plate 11, the thick plate 11 drives the beam 16 to move upwards, the beam 16 drives the moving box 17, the moving box 17 drives the testing device 19 to move upwards, the third motor 27 rotates anticlockwise, the central gear 28 drives the planet gear 29 to rotate clockwise, the planet gear 29 drives the first bevel gear 31 to rotate anticlockwise through the transmission shaft 30, the first bevel gear 31 drives the second bevel gear 32 to rotate clockwise, the second bevel gear 32 drives the screw rod 7 to rotate clockwise, the screw rod sleeve 9 moves downwards along the screw rod 7, meanwhile, the traction wheel 4 pulls the thick plate 11 through the steel wire 5, balance of downward movement is kept, the thick plate 11 drives the beam 16 to move downwards, the beam 16 drives the moving box 17 to move downwards, the moving box 17 drives the testing device 19 to move downwards, after the proper position is adjusted, the second motor 24 is opened, the second motor 24 rotates, the second motor 24 drives the rotating shaft 25, the rotating shaft 25 drives the first conveying belt wheel 21 and the second conveying, first conveyer belt wheel 21 and second conveyer belt wheel 26 drive conveyer belt 22 simultaneously, place the product on conveyer belt 22, carry out the product test, when the device was operated, support 1 and headstock 2 produced the effort to base 33, the effort transmits snubber block 332 through damper plate 331, snubber block 332 with the effort to strengthening rib 333, strengthening rib 333 transmits the effort to horizontal pole 334, horizontal pole 334 drives sliding sleeve 335, sliding sleeve 335 compresses damping spring 336, horizontal pole 334 produces pressure to elastic steel piece 337 simultaneously, shock attenuation is carried out to the device.
In summary, the following steps: the utility model discloses a through setting up testing arrangement 19, put into testing arrangement 19 with the test instrument, screw up fastening bolt 193, fastening bolt 193 promotes clamp plate 191, spring 192 produces the pulling force simultaneously, clamp plate 191 fixes the test instrument, fixed effect has been reached, through setting up headstock 2 and removal case 17, when testing arrangement 19 needs the up-down regulation, third motor 27 is opened, third motor 27 clockwise rotates, third motor 27 takes sun gear 28 clockwise to rotate, sun gear 28 takes planetary gear 29 anticlockwise to rotate, planetary gear 29 takes first bevel gear 31 clockwise through transmission shaft 30, first bevel gear 31 takes second bevel gear 32 anticlockwise to rotate, second bevel gear 32 takes lead screw 7 anticlockwise to rotate, lead screw sleeve 9 moves up along lead screw 7, and simultaneously, first motor 3 takes traction wheel 4 to rotate, the traction wheel 4 pulls the steel wire 5, the steel wire 5 pulls the thick plate 11 through the pull ring 15, the thick plate 11 drives the beam 16 to move upwards, the beam 16 drives the moving box 17, the moving box 17 drives the testing device 19 to move upwards, the third motor 27 rotates anticlockwise, the central gear 28 drives the planetary gear 29 to rotate clockwise, the planetary gear 29 drives the first bevel gear 31 to rotate anticlockwise through the transmission shaft 30, the first bevel gear 31 drives the second bevel gear 32 to rotate clockwise, the second bevel gear 32 drives the screw rod 7 to rotate clockwise, the screw rod sleeve 9 moves downwards along the screw rod 7, meanwhile, the traction wheel 4 pulls the thick plate 11 through the steel wire 5 to keep balance of downward movement, the thick plate 11 drives the beam 16 to move downwards, the beam 16 drives the moving box 17 to move downwards, the moving box 17 drives the testing device 19 to move downwards, the effect of up-down adjustment is achieved, the hydraulic rod 13, when horizontal adjustment is needed, the hydraulic rod 13 on one side of the movable box 17 extends, the hydraulic rod 13 on the other side of the movable box 17 shortens to drive the movable box 17 to move horizontally, the movable box 17 drives the testing device 19 to move horizontally, the horizontal adjustment effect is achieved, through the arrangement of the base 33, when the device operates, the support 1 and the power box 2 generate acting force on the base 33, the acting force is transmitted to the damping block 332 through the damping plate 331, the damping block 332 applies force to the reinforcing rib 333, the reinforcing rib 333 transmits the acting force to the cross rod 334, the cross rod 334 drives the sliding sleeve 335 to move downwards, the sliding sleeve 335 compresses the damping spring 336, meanwhile, the cross rod 334 generates pressure on the elastic steel sheet 337, and the damping effect is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A be used for power disturbance testing arrangement, includes support (1), the top of support (1) is provided with upper cover (6), its characterized in that: the steel wire drawing device is characterized in that a first motor (3) is arranged at the top of the upper cover (6), a drawing wheel (4) is arranged on one side of the first motor (3), a power box (2) is arranged at the bottom of the support (1), a lead screw (7) is arranged between the power box (2) and the upper cover (6), a stabilizer bar (8) is arranged on one side of the lead screw (7), a lead screw sleeve (9) is arranged on the lead screw (7), a sliding sleeve (10) is arranged on the stabilizer bar (8), one end of the lead screw sleeve (9) is fixedly connected with a thick plate (11), one end of the thick plate (11) is provided with a hydraulic cylinder (12), one end of the hydraulic cylinder (12) is provided with a hydraulic rod (13), one end of the hydraulic rod (13) is provided with a clamping block (14), a pull ring (15) is arranged at the top of the thick plate (11), and a steel wire (5, the middle part of thick plate (11) is provided with crossbeam (16), the middle part of crossbeam (16) is provided with movable box (17), the bottom of movable box (17) is provided with connecting rod (18), the bottom of connecting rod (18) is provided with testing arrangement (19), the top of headstock (2) is provided with axis of rotation (25), the one end of axis of rotation (25) is provided with first casing (20), the inside of first casing (20) is provided with first conveyer belt wheel (21), the other end of axis of rotation (25) is provided with second casing (23), the inside of second casing (23) is provided with second motor (24), the one end of second motor (24) is provided with second conveyer belt wheel (26), is provided with conveyer belt (22) between first conveyer belt wheel (21) and second conveyer belt wheel (26).
2. A device for power interference testing according to claim 1, characterized in that: the power box is characterized in that a third motor (27) is arranged inside the power box (2), a central gear (28) is arranged in the middle of the third motor (27), planetary gears (29) are arranged at two ends of the central gear (28), a transmission shaft (30) is arranged at one end of each planetary gear (29), a first bevel gear (31) is arranged at one end of each transmission shaft (30), a second bevel gear (32) is arranged at one end of each first bevel gear (31), and the second bevel gears (32) are fixedly connected with the screw rods (7).
3. A device for power interference testing according to claim 1, characterized in that: both ends of testing arrangement (19) all are provided with fastening screw (193), and threaded hole is all seted up to the both sides of testing arrangement (19), one side of fastening screw (193) is provided with clamp plate (191), the both sides of fastening screw (193) all are provided with spring (192), and spring (192) and clamp plate (191) fixed connection.
4. A device for power interference testing according to claim 1, characterized in that: the bottom of headstock (2) is provided with base (33), the inside of base (33) is provided with horizontal pole (334), the both sides of horizontal pole (334) all are provided with spliced pole (338), be provided with sliding sleeve (335) and damping spring (336) on spliced pole (338) respectively, the top of horizontal pole (334) is provided with snubber block (332), the both ends of snubber block (332) all are provided with strengthening rib (333), the top of snubber block (332) is provided with damper plate (331), the bottom of horizontal pole (334) is provided with flexible steel sheet (337).
5. A device for power interference testing according to claim 1, characterized in that: one end of the first conveying belt wheel (21) is provided with a bearing, the rotating shaft (25) is arranged on the bearing, and a bearing seat is arranged at the bottom of the bearing.
6. A device for power interference testing according to claim 1, characterized in that: the first motor (3) is movably connected with the traction wheel (4) through a coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920549882.5U CN210222140U (en) | 2019-04-22 | 2019-04-22 | Device for testing power interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920549882.5U CN210222140U (en) | 2019-04-22 | 2019-04-22 | Device for testing power interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210222140U true CN210222140U (en) | 2020-03-31 |
Family
ID=69923700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920549882.5U Expired - Fee Related CN210222140U (en) | 2019-04-22 | 2019-04-22 | Device for testing power interference |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210222140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167157A (en) * | 2021-10-12 | 2022-03-11 | 国网山东省电力公司栖霞市供电公司 | On-site detection device and method for flexible direct-current transmission converter valve submodule |
-
2019
- 2019-04-22 CN CN201920549882.5U patent/CN210222140U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114167157A (en) * | 2021-10-12 | 2022-03-11 | 国网山东省电力公司栖霞市供电公司 | On-site detection device and method for flexible direct-current transmission converter valve submodule |
| CN114167157B (en) * | 2021-10-12 | 2024-01-02 | 国网山东省电力公司栖霞市供电公司 | On-site detection device and method for flexible direct-current transmission converter valve submodule |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200331 Termination date: 20210422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |