CN110687333A - Experimental three-phase four-wire system electric meter junction box - Google Patents
Experimental three-phase four-wire system electric meter junction box Download PDFInfo
- Publication number
- CN110687333A CN110687333A CN201910952149.2A CN201910952149A CN110687333A CN 110687333 A CN110687333 A CN 110687333A CN 201910952149 A CN201910952149 A CN 201910952149A CN 110687333 A CN110687333 A CN 110687333A
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- 238000004804 winding Methods 0.000 claims abstract description 14
- 239000011521 glass Substances 0.000 claims abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 2
- 230000003064 anti-oxidating effect Effects 0.000 abstract description 2
- 229910052802 copper Inorganic materials 0.000 abstract description 2
- 239000010949 copper Substances 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 241000270728 Alligator Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000016507 interphase Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses an experimental three-phase four-wire system electric meter junction box which comprises a box body and a winding mechanism, wherein a door body is fixed on one side of the box body, a glass plate is embedded in the door body, an electrode plastic shell is arranged on one side of the box body, a connecting mechanism is arranged in the electrode plastic shell, the winding mechanism is arranged in the box body, a base is arranged in the winding mechanism, the base is fixedly connected with the box body, and a groove is embedded in the base. According to the invention, a special measuring hole structure is firstly adopted, the experimental three-phase four-wire system junction box is connected with an external test plug more safely, the experimental three-phase four-wire system electric meter junction box is made of high-quality PPS plastic and metal copper materials, has higher anti-corrosion and anti-oxidation capability and excellent electrical performance, and is innovatively designed to penetrate through the test hole structure of the outer insulating plate, so that the reliable connection with the external test plug is realized under the condition that the outer insulating plate is not detached.
Description
Technical Field
The invention relates to the technical field of tool fixtures, in particular to an experimental three-phase four-wire system electric meter junction box.
Background
The power distribution network power supply transformer area of the power system often causes the problems of high loss and negative loss of the transformer area due to the reasons of ' losing a house ', ' stringing a transformer station ', stealing electricity ' and the like. Aiming at the high-loss transformer area investigation, the transformer area identification instrument is mainly used for checking the phase, the three-phase four-wire system ammeter is mainly coupled and connected with the acquisition terminal concentrator through a junction box, the wiring electrode layout of the current three-phase four-wire ammeter junction box is compact, no special measurement point position for the test is arranged, the transformer area identification instrument alligator clip cannot be reliably connected with the phase, and accidents such as interphase short circuit, instantaneous electric shock of operators and the like often occur.
Disclosure of Invention
The invention provides a test type three-phase four-wire electric meter junction box aiming at the problems in the prior art, and solves the problem that no special test point is arranged in the inspection equipment when the platform region is inspected in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
experimental formula three-phase four-wire system ammeter terminal box, including box body and winding mechanism, one side of box body is fixed with the door body, and the inside gomphosis of the door body has the glass board, settle one side of box body has electrode plastic casing, and has settled in the electrode plastic casing and have coupling mechanism, winding mechanism settles in the inside of box body, and winding mechanism's inside is including the base, be fixed connection between base and the box body, and the base embeds there is the recess, the inside fixedly connected with rotation axis of recess, the top fixedly connected with connecting rod of its rotation axis, and the top fixedly connected with draw-in groove of rotation axis, the first reset spring of bottom fixedly connected with of draw-in groove, for cup jointing between its first reset spring and the connecting rod to be connected, and be fixed connection between first reset spring and the box body, settle in the box body has.
As a further description of the above technical solution:
the inside of coupling mechanism is including A looks input connection point, B looks input connection point, C looks input connection point, ground connection looks input connection point, A looks output connection point, B looks output connection point, C looks output connection point, ground connection looks output connection point, A looks experimental jack, B looks experimental jack, C looks experimental jack, ground connection looks experimental jack, the nimble connected region of A looks input, B looks input nimble connected region, C looks input nimble connected region, D looks input nimble connected region, A looks output nimble connected region, B looks output nimble connected region, C looks output nimble connected region, left end fixed hole position, right-hand member fixed hole position.
As a further description of the above technical solution:
the input connection points of the A phase, the B phase, the C phase and the ground phase are power input connection points; the phase A, phase B, phase C and ground phase output connection points are power line connection points of electric meters, concentrators and other equipment; the A-phase, B-phase and C-phase test jacks are plug-in points of an external equipment connecting plug; the fixed vacant positions are connected through screws.
As a further description of the above technical solution:
the clamping groove forms a rotating structure through the rotating shaft and the groove, and the clamping groove forms an elastic telescopic structure through the first reset spring and the base.
As a further description of the above technical solution:
hold-down mechanism's inside is including the bracing piece, and the embedded spout that has of bracing piece, the inside cup joint of spout is connected with the slider, and one side fixedly connected with clamp plate of slider, the bottom fixedly connected with second reset spring of clamp plate, and be fixed connection between second reset spring and the box body.
As a further description of the above technical solution:
the pressing plate forms an elastic telescopic structure with the box body through the second return spring, and the pressing plate forms a sliding structure with the sliding groove through the sliding block.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, a special measuring hole structure is firstly adopted, the experimental three-phase four-wire system junction box is connected with an external test plug more safely, the experimental three-phase four-wire system electric meter junction box is made of high-quality PPS plastic and metal copper materials, has higher anti-corrosion and anti-oxidation capability and excellent electrical performance, and is innovatively designed to penetrate through the test hole structure of the outer insulating plate, so that the reliable connection with the external test plug is realized under the condition that the outer insulating plate is not detached.
2. According to the invention, the remaining long wire can be wound through the clamping groove and the rotating shaft, so that the remaining long wire is prevented from being placed arbitrarily, the remaining long wire is neat and attractive, and the wire body is prevented from being broken when pulled.
3. According to the invention, the connecting wire connected to the electrode plastic shell can be clamped and fixed through the pressure plate and the second return spring, so that the connecting wire is prevented from falling off when the connecting wire is collided or pulled.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the connecting mechanism of the present invention;
FIG. 3 is a schematic top view of the connecting mechanism of the present invention;
FIG. 4 is a side view of the winding mechanism of the present invention;
FIG. 5 is a side view of the pressing mechanism of the present invention.
Illustration of the drawings:
1. a box body; 2. a door body; 3. a glass plate; 4. an electrode plastic housing; 5. a connecting mechanism; 501. an A-phase input connection point; 502. a phase B input connection point; 503. a phase C input connection point; 504. a ground phase input connection point; 505. an A phase output connection point; 506. b phase output connection point; 507. a phase C output connection point; 508. a ground phase output connection point; 509. a phase A test jack; 510. a B-phase test jack; 511. a phase C test jack; 512. a ground phase test jack; 513. inputting a flexible connection area by the phase A; 514. b phase input flexible connection area; 515. c-phase input flexible connection area; 516. inputting a flexible connection area by the D phase; 517. an A-phase output flexible connection area; 518. b phase input flexible connection area; 519. c-phase input flexible connection area; 520. the position of a left end fixing hole; 521. the position of a right end fixing hole; 6. a winding mechanism; 601. a base; 602. a groove; 603. a rotating shaft; 604. a connecting rod; 605. a card slot; 606. a first return spring; 7. a hold-down mechanism; 701. a support bar; 702. a chute; 703. a slider; 704. pressing a plate; 705. a second return spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, an experimental three-phase four-wire system junction box for an electricity meter comprises a box body 1 and a winding mechanism 6, wherein a door body 2 is fixed on one side of the box body 1, a glass plate 3 is embedded in the door body 2, an electrode plastic shell 4 is arranged on one side of the box body 1, a connecting mechanism 5 is arranged in the electrode plastic shell 4, the winding mechanism 6 is arranged in the box body 1, a base 601 is arranged in the winding mechanism 6, the base 601 is fixedly connected with the box body 1, a groove 602 is embedded in the base 601, a rotating shaft 603 is fixedly connected in the groove 602, a connecting rod 604 is fixedly connected to the top of the rotating shaft 603, a clamping groove 605 is fixedly connected to the top of the rotating shaft 603, a first return spring 606 is fixedly connected to the bottom of the clamping groove 605, the first return spring 606 is connected to the connecting rod 604 in a sleeved manner, and the first return spring 606 is, the box body 1 is internally provided with a pressing mechanism 7.
Further, the inside of the connection mechanism 5 includes an a-phase input connection point 501, a B-phase input connection point 502, a C-phase input connection point 503, a ground phase input connection point 504, an a-phase output connection point 505, a B-phase output connection point 506, a C-phase output connection point 507, a ground phase output connection point 508, an a-phase test jack 509, a B-phase test jack 510, a C-phase test jack 511, a ground phase test jack 512, an a-phase input flexible connection region 513, a B-phase input flexible connection region 514, a C-phase input flexible connection region 515, a D-phase input flexible connection region 516, an a-phase output flexible connection region 517, a B-phase output flexible connection region 518, a C-phase output flexible connection region 519, a left end fixed hole position 520, and a right end fixed hole position 521.
Furthermore, the input connection points of the A phase, the B phase, the C phase and the ground phase are power supply input connection points; the phase A, phase B, phase C and ground phase output connection points are power line connection points of devices such as a ammeter and a concentrator; the A-phase, B-phase and C-phase test jacks 511 are plug-in points of the external equipment connecting plug; the fixed vacant positions are connected through screws.
Furthermore, the clamping groove 605 forms a rotating structure through the rotating shaft 603 and the groove 602, and the clamping groove 605 forms an elastic telescopic structure through the first return spring 606 and the base 601, so that the remaining long wires can be wound and entangled, and the remaining long wires are prevented from being placed arbitrarily.
Further, the inside of the pressing mechanism 7 includes a supporting rod 701, a sliding groove 702 is embedded in the supporting rod 701, a sliding block 703 is connected to the inside of the sliding groove 702 in a sleeved mode, a pressing plate 704 is fixedly connected to one side of the sliding block 703, a second return spring 705 is fixedly connected to the bottom end of the pressing plate 704, and the second return spring 705 is fixedly connected to the box body 1.
Furthermore, an elastic telescopic structure is formed between the pressing plate 704 and the box body 1 through a second return spring 705, and a sliding structure is formed between the pressing plate 704 and the sliding groove 702 through a sliding block 703, so as to clamp and fix the connecting wire connected to the electrode plastic shell 4.
The working principle is as follows: when the electrode plastic shell is used, the pressing plate 704 is lifted manually, connecting wires connected to the electrode plastic shell 4 penetrate through the pressing plate 704, then the connecting wires are connected with a plurality of jacks arranged on the pressing plate 704, and the pressing plate 704 is released. When the connecting wire is left long, the connecting wire is wound on the clamping groove 605, when the connecting wire is pulled, the clamping groove 605 is driven to rotate through the rotating shaft 603, the remaining long wire is lengthened, when the pulling force disappears, the clamping groove 605 is driven to rotate through the elastic characteristic of the second return spring 705, the remaining long wire is withdrawn, the remaining long wire is prevented from being placed arbitrarily, the remaining long wire is neat and attractive, and the wire body is prevented from being broken.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. An experimental three-phase four-wire system electric meter junction box comprises a box body (1) and a winding mechanism (6), and is characterized in that a door body (2) is fixed on one side of the box body (1), a glass plate (3) is embedded in the door body (2), an electrode plastic shell (4) is arranged on one side of the box body (1), a connecting mechanism (5) is arranged in the electrode plastic shell (4), the winding mechanism (6) is arranged in the box body (1), a base (601) is arranged in the winding mechanism (6), the base (601) is fixedly connected with the box body (1), a groove (602) is embedded in the base (601), a rotating shaft (603) is fixedly connected in the groove (602), a connecting rod (604) is fixedly connected to the top of the rotating shaft (603), and a clamping groove (605) is fixedly connected to the top end of the rotating shaft (603), the bottom end of the clamping groove (605) is fixedly connected with a first return spring (606), the first return spring (606) is connected with the connecting rod (604) in a sleeved mode, the first return spring (606) is fixedly connected with the box body (1), and the box body (1) is internally provided with a pressing mechanism (7).
2. The experimental three-phase four-wire system ammeter junction box of claim 1, wherein the connection mechanism (5) comprises an A-phase input connection point (501), a B-phase input connection point (502), a C-phase input connection point (503), a ground phase input connection point (504), an A-phase output connection point (505), a B-phase output connection point (506), a C-phase output connection point (507), a ground phase output connection point (508), an A-phase test jack (509), a B-phase test jack (510), a C-phase test jack (511), a ground phase test jack (512), an A-phase input flexible connection region (513), a B-phase input flexible connection region (514), a C-phase input flexible connection region (515), a D-phase input flexible connection region (516), an A-phase output flexible connection region (517), and a B-phase output flexible connection region (518), c phase output flexible connection area (519), left end fixed hole position (520) and right end fixed hole position (521).
3. An experimental three-phase four-wire system ammeter junction box of claim 1, wherein said phase a, phase B, phase C and ground input connection points are power input connection points; the phase A, phase B, phase C and ground phase output connection points are power line connection points of electric meters, concentrators and other equipment; the A-phase, B-phase and C-phase test jacks (511) are plug points of a connecting plug of external equipment; the fixed vacant positions are connected through screws.
4. Experimental three-phase four-wire system ammeter junction box according to claim 3, wherein the locking groove (605) is formed in a rotation structure by the rotation shaft (603) and the groove (602), and the locking groove (605) is formed in an elastic expansion structure by the first return spring (606) and the base (601).
5. An experimental three-phase four-wire system ammeter junction box according to claim 1, wherein the pressing mechanism (7) comprises a support rod (701) inside, a sliding groove (702) is embedded in the support rod (701), a sliding block (703) is connected inside the sliding groove (702) in a sleeved mode, a pressing plate (704) is fixedly connected to one side of the sliding block (703), a second return spring (705) is fixedly connected to the bottom end of the pressing plate (704), and the second return spring (705) is fixedly connected to the box body (1).
6. An experimental three-phase four-wire system ammeter junction box according to claim 5, wherein said pressure plate (704) is elastically telescopic with respect to said box body (1) by means of a second return spring (705), and said pressure plate (704) is slidable with respect to said sliding groove (702) by means of a sliding block (703).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952149.2A CN110687333A (en) | 2019-10-09 | 2019-10-09 | Experimental three-phase four-wire system electric meter junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910952149.2A CN110687333A (en) | 2019-10-09 | 2019-10-09 | Experimental three-phase four-wire system electric meter junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110687333A true CN110687333A (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910952149.2A Pending CN110687333A (en) | 2019-10-09 | 2019-10-09 | Experimental three-phase four-wire system electric meter junction box |
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| Country | Link |
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| CN (1) | CN110687333A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398642A (en) * | 2020-06-08 | 2020-07-10 | 广东电网有限责任公司惠州供电局 | Circuit breaker mechanical characteristic tester line box |
| CN113820523A (en) * | 2021-09-03 | 2021-12-21 | 贵州电网有限责任公司 | High-efficient electric quantity measurement joint terminal box |
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|---|---|---|---|---|
| CN201518403U (en) * | 2009-05-05 | 2010-06-30 | 张文 | Electric wire junction box with automatic wire take-up |
| CN205385258U (en) * | 2016-02-25 | 2016-07-13 | 国网山东省电力公司聊城供电公司 | Three -phase four -wire anti -electricity -stealing terminal box |
| CN207039127U (en) * | 2017-06-19 | 2018-02-23 | 国网浙江省电力公司湖州供电公司 | Plug-in terminal box |
| CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
| CN109541269A (en) * | 2018-12-25 | 2019-03-29 | 桂林电子科技大学 | The automatic compacting device of cable performance test equipment |
| CN211206590U (en) * | 2019-10-09 | 2020-08-07 | 国网辽宁省电力有限公司盘锦供电公司 | Experimental three-phase four-wire system electric meter junction box |
-
2019
- 2019-10-09 CN CN201910952149.2A patent/CN110687333A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201518403U (en) * | 2009-05-05 | 2010-06-30 | 张文 | Electric wire junction box with automatic wire take-up |
| CN205385258U (en) * | 2016-02-25 | 2016-07-13 | 国网山东省电力公司聊城供电公司 | Three -phase four -wire anti -electricity -stealing terminal box |
| CN207039127U (en) * | 2017-06-19 | 2018-02-23 | 国网浙江省电力公司湖州供电公司 | Plug-in terminal box |
| CN108037479A (en) * | 2017-12-21 | 2018-05-15 | 国网山东省电力公司济南供电公司 | A kind of novel intelligent test connecting box |
| CN109541269A (en) * | 2018-12-25 | 2019-03-29 | 桂林电子科技大学 | The automatic compacting device of cable performance test equipment |
| CN211206590U (en) * | 2019-10-09 | 2020-08-07 | 国网辽宁省电力有限公司盘锦供电公司 | Experimental three-phase four-wire system electric meter junction box |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111398642A (en) * | 2020-06-08 | 2020-07-10 | 广东电网有限责任公司惠州供电局 | Circuit breaker mechanical characteristic tester line box |
| CN113820523A (en) * | 2021-09-03 | 2021-12-21 | 贵州电网有限责任公司 | High-efficient electric quantity measurement joint terminal box |
| CN113820523B (en) * | 2021-09-03 | 2024-04-05 | 贵州电网有限责任公司 | High-efficient electric quantity measurement joint junction box |
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