CN209948100U - Portable electric power construction earthing device - Google Patents
Portable electric power construction earthing device Download PDFInfo
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- CN209948100U CN209948100U CN201920796975.8U CN201920796975U CN209948100U CN 209948100 U CN209948100 U CN 209948100U CN 201920796975 U CN201920796975 U CN 201920796975U CN 209948100 U CN209948100 U CN 209948100U
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- electric power
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Abstract
The utility model discloses a portable electric power construction earthing device, include: the clamp comprises a jaw, an insulating rod, a grounding wire and a suitcase; at least one jaw slot, at least one insulating rod slot and at least one grounding wire slot are arranged in the suitcase body; all set up a pressure sensor in jaw groove, insulator spindle groove, the ground wire casing, still set up second controller and pilot lamp on the box, pressure sensor, pilot lamp are connected with the second controller electricity respectively. This device still is provided with the suitcase, and be convenient for accomodate and carry avoid earthing device to omit dismantlement, convenient management.
Description
Technical Field
The utility model relates to an earthing device, concretely relates to a portable earthing device for electric power construction.
Background
The grounding device is necessary equipment in power construction, and the power equipment needs to be grounded in the construction process so as to avoid equipment damage or personal safety hazard of workers. And earthing device part is more, and the work progress generally needs a plurality of earthing device, and when carrying earthing device at present, it is more mixed and disorderly, be not convenient for carry and manage, and lose easily, cause unnecessary economic loss.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a novel portable electric power construction earthing device.
The technical scheme of the utility model is that: a portable electrical power construction grounding device comprising: the clamp comprises a jaw (101), an insulating rod (301), a grounding wire (201) and a suitcase (400); the clamp jaw (101) is provided with a grounding wire leading-out end, and a grounding wire (201) is connected with the clamp jaw (101) through the grounding wire leading-out end; the insulating rod (301) is detachably clamped with the supporting tube (137);
the suitcase (400) comprises a suitcase body (406) and a suitcase cover (405), wherein at least one jaw slot (403), at least one insulating rod slot (401) and at least one grounding wire slot (407) are arranged in the suitcase body (406); a label bag and a handle (404) are arranged on the box cover (405); the box body (406) and the box cover (405) are also provided with adaptive latches (408); pressure sensors (402) are arranged in the jaw slot (403), the insulating rod slot (401) and the grounding wire slot (407), a second controller and an indicator light are further arranged on the box body (406), and the pressure sensors (402) and the indicator light are respectively electrically connected with the second controller.
Further, the jaw (101) comprises an upper end plate (110), a lower end plate (140), a side plate (120) and a moving plate (130); the upper end plate (110) is arranged at the upper end of the side plate (120), and the lower end plate (140) is arranged at the lower end of the side plate (120); the inner side surface of the side plate (120) is provided with a slide rail; one side of the moving plate (130) is connected with the side plate (120) in a sliding way through a sliding rail;
the upper end plate (110) comprises an upper clamping part (115) and an upper electricity testing part (111), the upper clamping part (115) and the upper electricity testing part (111) form a ladder shape, and the upper electricity testing part (111) is higher than the upper clamping part (115);
the moving plate (130) comprises a lower clamping portion (138) and a lower electroscopic portion (132), the lower clamping portion (138) and the lower electroscopic portion (132) form a ladder shape, and the upper electroscopic portion (111) is lower than the upper clamping portion (115);
a first limiting rod (1341) is arranged on the lower electroscopic part (132), a first through hole is arranged on the lower clamping part (138), and the lower clamping part (138) is sleeved on the first limiting rod (1341) through the first through hole;
clamping grooves (113) are formed in the upper clamping portion (115) and the lower clamping portion (138); an upper mutual inductance iron core (114) is arranged on the upper electricity testing part (111), and a lower mutual inductance iron core (133) matched with the upper mutual inductance iron core (114) is arranged on the lower electricity testing part (132);
a second through hole positioned below the lower clamping part (138) and a third through hole positioned below the lower electroscopic part (132) are arranged on the lower end plate (140); the lower end of the lower clamping part (138) is connected with a first supporting rod (1361), and the first supporting rod (1361) penetrates through the second through hole and is in threaded connection with the second through hole; the lower end of the first supporting rod (1361) is connected with a cross rod (139); a supporting tube (137) is arranged at the lower end of the cross rod (139), a fourth through hole is formed in the cross rod (139), and the fourth through hole is communicated with the supporting tube (137); the fourth through hole is positioned right below the third through hole;
the insulation rod (301) is of a hollow structure, a movable rod (320) is inserted into the hollow structure, the lower end of the movable rod (320) is connected with a handle (310) extending out of the insulation rod (301), and a handle sliding clamping groove (330) is formed in the insulation rod (301); when the movable rod (320) moves upwards, the movable rod passes through the supporting tube (137) and the third through hole to abut against the lower electroscopic part (132);
further comprising: the current detection device comprises a current detection lead, a signal conditioning circuit, a first controller and an alarm; the current detection wire is wound on the lower mutual inductance iron core (133), the current detection wire is electrically connected with the input end of the signal conditioning circuit, the output end of the signal conditioning circuit is electrically connected with the input end of the first controller, and the output end of the first controller is electrically connected with the alarm.
Further, the upper end plate (110) further comprises an upper reinforcing part (112); the upper reinforcing part (112) and the upper clamping part (115) are symmetrically arranged at two sides of the upper electroscope part (111);
the moving plate (130) further comprises a lower reinforcing part (131); the lower reinforcing part (131) and the lower clamping part (138) are symmetrically arranged at two sides of the lower electroscopic part (132);
the upper reinforcing part (112) and the lower reinforcing part (131) are both provided with clamping grooves (113).
Furthermore, a second limiting rod (134) is further arranged on the lower electricity testing part (132), a fifth through hole is formed in the lower reinforcing part (131), and the lower fixing part is sleeved on the second limiting rod (134) through the fifth through hole.
Furthermore, a sixth through hole positioned below the lower reinforcing part (131) is also formed in the lower end plate (140);
the lower end of the lower reinforcing part (131) is connected with a second supporting rod (136), and the second supporting rod (136) penetrates through the sixth through hole and is in threaded connection with the sixth through hole; the lower end of the second supporting rod (136) is connected with a cross rod (139).
Furthermore, the first limiting rod (1341) and the second limiting rod (134) are both provided with limiting snap rings (135).
Furthermore, a third limiting rod and a fourth limiting rod (141) are further arranged on the lower end plate (140), a seventh through hole is further formed in the lower clamping portion (138), and an eighth through hole is further formed in the lower reinforcing portion (131); the lower clamping portion (138) penetrates through the third limiting rod through the seventh through hole in a sleeved mode, and the lower reinforcing portion (131) penetrates through the fourth limiting rod (141) through the eighth through hole in a sleeved mode.
The utility model provides a portable electric power construction grounding device, which is provided with a suitcase, and an electricity testing device is placed in the suitcase, thereby being convenient for storage and carrying; still set up pressure sensor in the suitcase, get the state by pilot lamp indicator spare, avoid omitting, convenient management. The grounding device is provided with an electricity testing part and a clamping part, the electricity testing part is provided with a mutual inductor, the electricity testing part firstly tests whether the power equipment is electrified, and if the power equipment is electrified, the clamping part is not operated to prevent the clamping part from contacting the electrified equipment; if not electrified, continue to contact power equipment with joint portion, realize power equipment ground connection. The device improves the structure, realizes the function of electricity testing and clamping by using the same device, and eliminates potential safety hazards. And in the use process, the electrified condition of the power equipment can be continuously monitored, and the alarm is given when the power equipment is electrified.
Drawings
Fig. 1 is a schematic structural diagram of a suitcase according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an embodiment of the present invention.
Fig. 3 is a schematic structural view of an upper end plate and a moving plate according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the insulation rod according to the embodiment of the present invention.
In the figure, 101-jaw, 201-grounding wire, 301-insulating rod, 110-upper end plate, 120-side plate, 130-moving plate, 140-lower end plate, 111-upper electricity testing part, 112-upper reinforcing part, 113-clamping groove, 114-upper mutual inductor, 115-upper clamping part, 131-lower reinforcing part, 132-lower electricity testing part, 133-lower mutual inductor, 1341-first limiting rod, 134-second limiting rod, 135-limiting snap ring, 1361-first supporting rod, 136-second supporting rod, 137-supporting tube, 138-lower clamping part, 139-cross rod, 141-fourth limiting rod, 310-handle, 320-movable rod, 330-handle sliding clamping groove, 400-suitcase, 401-insulating rod groove, 402-pressure sensor, 403-jaw groove, 404-handle, 405-box cover, 405-box body, 407-grounding wire groove, 408-lock catch.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1 to 4, the portable electric power construction grounding device provided by the present embodiment structurally comprises a jaw 101, an insulating rod 301, a grounding wire 201 and a suitcase 400; the jaw 101 is provided with a grounding wire leading end, and the grounding wire 201 is connected with the jaw 101 through the grounding wire leading end. The jaw 101 is clamped with the power equipment, and the grounding wire 201 is connected with the jaw 101 to realize grounding of the power equipment. The insulating rod 301 is detachably clamped with the supporting tube 137.
The suitcase 400 of this embodiment includes a case body 406 and a case cover 405, and at least one jaw slot 403, at least one insulation rod slot 401 and at least one grounding wire slot 407 are disposed in the case body 406, that is, at least one set of grounding devices is disposed in one suitcase 400 to improve the utilization rate. The box cover 405 is provided with a label bag and a lifting handle 404, and labels are placed in the label bag, so that staff can conveniently mark and remark, and storage and management are facilitated. The box 406 and the box cover 405 are also provided with adapted latches 408. A pressure sensor 402 is arranged in each of the jaw slot 403, the insulating rod slot 401 and the grounding wire slot 407, a second controller and an indicator light are further arranged on the box body 406, and the pressure sensor 402 and the indicator light are respectively electrically connected with the second controller. When the device was placed in suitcase 400, the pilot lamp can show green, when arbitrary device was taken out, the pilot lamp showed red, when the construction was ended, if the pilot lamp showed red, then the explanation has earthing device not to dismantle to remind the staff in time to dismantle, avoid omitting.
The jaw 101 of the present embodiment includes an upper end plate 110, a lower end plate 140, a side plate 120, and a moving plate 130; the upper end plate 110 is arranged at the upper end of the side plate 120, and the lower end plate 140 is arranged at the lower end of the side plate 120; a slide rail is arranged on the inner side surface of the side plate 120; one side of the moving plate 130 is slidably connected with the side plate 120 through a sliding rail, the moving plate 130 can slide up and down along the side plate 120, in order to enhance the stability, a limiting rod can be arranged on the lower end plate 140, and the moving plate 130 is sleeved on the limiting rod and slides along the limiting rod.
The jaw 101 of this embodiment is further provided with an electricity testing function to check whether the power equipment is electrified or not, and if so, stop the moving plate 130 to move continuously, so as to avoid contacting the power equipment again and causing damage to the power equipment or injury to personnel. Specifically, the upper end plate 110 includes an upper clamping portion 115 and an upper electroscope portion 111, the upper clamping portion 115 and the upper electroscope portion 111 form a step shape, and the upper electroscope portion 111 is higher than the upper clamping portion 115. The moving plate 130 includes a lower clamping portion 138 and a lower electroscope portion 132, the lower clamping portion 138 and the lower electroscope portion 132 form a step shape, and the upper electroscope portion 111 is lower than the upper clamping portion 115. The upper clamping portion 115 and the lower clamping portion 138 are provided with clamping grooves 113 for clamping the power equipment. The upper electricity testing part 111 is provided with an upper mutual inductance iron core 114, the lower electricity testing part 132 is provided with a lower mutual inductance iron core 133 matched with the upper mutual inductance iron core 114, the upper mutual inductance iron core 114 and the lower mutual inductance iron core 133 are arc-shaped, and a mutual inductor is formed after buckling. The embodiment also comprises a current detection lead, a signal conditioning circuit, a first controller and an alarm. The current detection wire is wound on the lower mutual inductor 133, the current detection wire is electrically connected with the input end of the signal conditioning circuit, the output end of the signal conditioning circuit is electrically connected with the input end of the first controller, the output end of the first controller is electrically connected with the alarm, when the power equipment passes through the mutual inductor and is electrified, current is generated on the current detection wire, the current is conditioned by the signal conditioning circuit and then transmitted into the controller, and the first controller controls the alarm to remind a worker to stop acting.
For realizing the free activity of keeping silent 101, realize testing electricity earlier the joint, avoid electrified ground connection, the device still sets up following specific structure: be provided with first gag lever post 1341 on the electroscope portion 132 down, be provided with first through-hole on the lower joint portion 138, lower joint portion 138 passes through first through-hole cover and wears on first gag lever post 1341 to when the electroscope portion 132 can't rise under the realization, lower joint portion 138 can continue to rise. The lower end plate 140 is provided with a second through hole positioned below the lower clamping portion 138 and a third through hole positioned below the lower electroscopic portion 132; the lower end of the lower clamping part 138 is connected with a first support rod 1361, and the first support rod 1361 penetrates through the second through hole and is in threaded connection with the second through hole; the lower end of the first supporting rod 1361 is connected with a cross rod 139; the lower end of the cross bar 139 is provided with a support tube 137, and the cross bar 139 is provided with a fourth through hole which is communicated with the support tube 137; the fourth through hole is positioned right below the third through hole. The insulating rod 301 is detachably clamped with the supporting tube 137, the insulating rod 301 is of a hollow structure, a movable rod 320 is inserted into the hollow structure, the lower end of the movable rod 320 is connected with a handle 310 extending out of the insulating rod 301, and a handle sliding clamping groove 330 is formed in the insulating rod 301; when the movable rod 320 moves upward, it passes through the support tube 137 and the third through hole to abut against the lower electroscope 132.
In addition, for the convenience of use and further improving the stability of the device, the upper end plate 110 further includes an upper reinforcement part 112; the upper reinforcing part 112 and the upper clamping part 115 are symmetrically arranged at two sides of the upper electroscope part 111; the moving plate 130 further includes a lower reinforcement portion 131; the lower reinforcing part 131 and the lower clamping part 138 are symmetrically arranged at two sides of the lower electroscopic part 132. The upper reinforcing part 112 and the lower reinforcing part 131 are both provided with clamping grooves 113 for clamping the power equipment. Still be provided with second gag lever post 134 on the electricity portion 132 of testing down, be provided with the fifth through-hole on the lower reinforcing portion 131, lower fixed part passes through the fifth through-hole cover and wears on second gag lever post 134. The lower end plate 140 is further provided with a sixth through hole located below the lower reinforcing part 131; the lower end of the lower reinforcing part 131 is connected with a second supporting rod 136, and the second supporting rod 136 passes through the sixth through hole and is in threaded connection with the sixth through hole; the lower end of the second support bar 136 is connected to a cross bar 139. The lower end plate 140 is further provided with a third limiting rod and a fourth limiting rod 141, the lower clamping portion 138 is further provided with a seventh through hole, and the lower reinforcing portion 131 is further provided with an eighth through hole; the lower clamping portion 138 penetrates through the third limiting rod through the seventh through hole, and the lower reinforcing portion 131 penetrates through the fourth limiting rod 141 through the eighth through hole. Jaw 101 forms symmetrical structure, and the electricity testing position of installing the mutual-inductor is located the centre, both sides card line, and movable plate 130 slides along third gag lever post and fourth gag lever post 141, has strengthened the steadiness that jaw 101 used.
In this embodiment, still all be provided with spacing snap ring 135 on first gag lever post 1341 and the second gag lever post 134, when joint portion and reinforcement portion joint were on power equipment, it was fixed to guarantee to test electric portion, and the mutual-inductor lasts the electrified condition of inspection power equipment, in case mistake is electrified.
The working principle of the jaw is as follows: the insulation rod 301 is clamped with the support tube 137, the movable rod 320 is pushed upwards to abut against the lower electroscope portion 132, the upper clamping portion 115 and the upper reinforcing portion 112 of the upper end plate 110 are clamped with the power equipment, and meanwhile the upper mutual inductance iron core 114 of the upper electroscope portion 111 strides over the power equipment. By rotating the insulating rod 301, the first support bar 1361, the second support bar 136 and the movable bar 320 simultaneously push the lower clamping portion 138, the lower reinforcing portion 131 and the lower electroscopic portion 132 upward. In design, it is ensured that the lower transformer core 133 is first fastened to the upper transformer core 114, and at this time, the lower fastening portion 138 and the lower reinforcing portion 131 are not yet in contact with the power equipment. If the power equipment is electrified, a mutual inductor consisting of the upper mutual inductor core 133 and the lower mutual inductor core 133 senses current, the first controller controls the alarm to give an alarm to remind a worker to stop acting, and the power equipment is prevented from being grounded in an electrified mode. If the power equipment is not powered, when the upper and lower transformers 133 are buckled, the upper and lower transformers 133 abut against each other, and then the insulation rod 301 is rotated, so that the moving plate 130 cannot be pushed, and at this time, the moving rod 320 is moved downwards, so that the moving rod does not abut against the lower electroscopic part 132 any more. The lower electroscope portion 132 moves downward, and the position-limiting clasps 135 on the first position-limiting rod 1341 and the second position-limiting rod 134 make the lower clamping portion 138 and the lower reinforcement portion 131 lift the lower electroscope portion 132. Continuing to rotate the insulating rod 301, the first supporting rod 1361 and the second supporting rod 136 simultaneously push the lower clamping portion 138 and the lower reinforcing portion 131 upward, and simultaneously drive the lower electroscopic portion 132 to move upward. When the lower clamping portion 138 and the lower reinforcing portion 131 clamp the power equipment, the upper mutual inductance iron core 133 and the lower mutual inductance iron core 133 are buckled again to continuously monitor the electrification condition of the power equipment. When disassembling, the insulation rod 301 is rotated reversely.
The above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any person skilled in the art can think of the inventive changes, and several improvements and decorations made without departing from the principle of the present invention should fall within the protection scope of the present invention.
Claims (7)
1. A portable electric power construction earthing device, characterized by, includes: the clamp comprises a jaw (101), an insulating rod (301), a grounding wire (201) and a suitcase (400); the clamp jaw (101) is provided with a grounding wire leading-out end, and a grounding wire (201) is connected with the clamp jaw (101) through the grounding wire leading-out end; the insulating rod (301) is detachably clamped with the supporting tube (137);
the suitcase (400) comprises a suitcase body (406) and a suitcase cover (405), wherein at least one jaw slot (403), at least one insulating rod slot (401) and at least one grounding wire slot (407) are arranged in the suitcase body (406); a label bag and a handle (404) are arranged on the box cover (405); the box body (406) and the box cover (405) are also provided with adaptive latches (408); pressure sensors (402) are arranged in the jaw slot (403), the insulating rod slot (401) and the grounding wire slot (407), a second controller and an indicator light are further arranged on the box body (406), and the pressure sensors (402) and the indicator light are respectively electrically connected with the second controller.
2. The portable electric power construction grounding device of claim 1, wherein the jaw (101) comprises an upper end plate (110), a lower end plate (140), a side plate (120), and a moving plate (130); the upper end plate (110) is arranged at the upper end of the side plate (120), and the lower end plate (140) is arranged at the lower end of the side plate (120); the inner side surface of the side plate (120) is provided with a slide rail; one side of the moving plate (130) is connected with the side plate (120) in a sliding way through a sliding rail;
the upper end plate (110) comprises an upper clamping part (115) and an upper electricity testing part (111), the upper clamping part (115) and the upper electricity testing part (111) form a ladder shape, and the upper electricity testing part (111) is higher than the upper clamping part (115);
the moving plate (130) comprises a lower clamping portion (138) and a lower electroscopic portion (132), the lower clamping portion (138) and the lower electroscopic portion (132) form a ladder shape, and the upper electroscopic portion (111) is lower than the upper clamping portion (115);
a first limiting rod (1341) is arranged on the lower electroscopic part (132), a first through hole is arranged on the lower clamping part (138), and the lower clamping part (138) is sleeved on the first limiting rod (1341) through the first through hole;
clamping grooves (113) are formed in the upper clamping portion (115) and the lower clamping portion (138); an upper mutual inductance iron core (114) is arranged on the upper electricity testing part (111), and a lower mutual inductance iron core (133) matched with the upper mutual inductance iron core (114) is arranged on the lower electricity testing part (132);
a second through hole positioned below the lower clamping part (138) and a third through hole positioned below the lower electroscopic part (132) are arranged on the lower end plate (140); the lower end of the lower clamping part (138) is connected with a first supporting rod (1361), and the first supporting rod (1361) penetrates through the second through hole and is in threaded connection with the second through hole; the lower end of the first supporting rod (1361) is connected with a cross rod (139); a supporting tube (137) is arranged at the lower end of the cross rod (139), a fourth through hole is formed in the cross rod (139), and the fourth through hole is communicated with the supporting tube (137); the fourth through hole is positioned right below the third through hole;
the insulation rod (301) is of a hollow structure, a movable rod (320) is inserted into the hollow structure, the lower end of the movable rod (320) is connected with a handle (310) extending out of the insulation rod (301), and a handle sliding clamping groove (330) is formed in the insulation rod (301); when the movable rod (320) moves upwards, the movable rod passes through the supporting tube (137) and the third through hole to abut against the lower electroscopic part (132);
further comprising: the current detection device comprises a current detection lead, a signal conditioning circuit, a first controller and an alarm; the current detection wire is wound on the lower mutual inductance iron core (133), the current detection wire is electrically connected with the input end of the signal conditioning circuit, the output end of the signal conditioning circuit is electrically connected with the input end of the first controller, and the output end of the first controller is electrically connected with the alarm.
3. The portable electric power construction grounding device of claim 2, wherein the upper end plate (110) further includes an upper reinforcement portion (112); the upper reinforcing part (112) and the upper clamping part (115) are symmetrically arranged at two sides of the upper electroscope part (111);
the moving plate (130) further comprises a lower reinforcing part (131); the lower reinforcing part (131) and the lower clamping part (138) are symmetrically arranged at two sides of the lower electroscopic part (132);
the upper reinforcing part (112) and the lower reinforcing part (131) are both provided with clamping grooves (113).
4. The portable electric power construction grounding device of claim 3, wherein the lower voltage testing part (132) is further provided with a second limiting rod (134), the lower reinforcing part (131) is provided with a fifth through hole, and the lower fixing part is sleeved on the second limiting rod (134) through the fifth through hole.
5. The portable electric power construction grounding device according to claim 4, wherein the lower end plate (140) is further provided with a sixth through hole located below the lower reinforcement part (131);
the lower end of the lower reinforcing part (131) is connected with a second supporting rod (136), and the second supporting rod (136) penetrates through the sixth through hole and is in threaded connection with the sixth through hole; the lower end of the second supporting rod (136) is connected with a cross rod (139).
6. The portable electric power construction grounding device of claim 4, wherein the first limiting rod (1341) and the second limiting rod (134) are provided with limiting snap rings (135).
7. The portable electric power construction grounding device of claim 3, wherein the lower end plate (140) is further provided with a third limiting rod and a fourth limiting rod (141), the lower clamping portion (138) is further provided with a seventh through hole, and the lower reinforcing portion (131) is further provided with an eighth through hole; the lower clamping portion (138) penetrates through the third limiting rod through the seventh through hole in a sleeved mode, and the lower reinforcing portion (131) penetrates through the fourth limiting rod (141) through the eighth through hole in a sleeved mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796975.8U CN209948100U (en) | 2019-05-30 | 2019-05-30 | Portable electric power construction earthing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796975.8U CN209948100U (en) | 2019-05-30 | 2019-05-30 | Portable electric power construction earthing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209948100U true CN209948100U (en) | 2020-01-14 |
Family
ID=69134747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920796975.8U Expired - Fee Related CN209948100U (en) | 2019-05-30 | 2019-05-30 | Portable electric power construction earthing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209948100U (en) |
-
2019
- 2019-05-30 CN CN201920796975.8U patent/CN209948100U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200114 Termination date: 20200530 |