CN113447714B - Power distribution terminal with harmonic electric energy metering function - Google Patents
Power distribution terminal with harmonic electric energy metering function Download PDFInfo
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- CN113447714B CN113447714B CN202110698353.3A CN202110698353A CN113447714B CN 113447714 B CN113447714 B CN 113447714B CN 202110698353 A CN202110698353 A CN 202110698353A CN 113447714 B CN113447714 B CN 113447714B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/16—Spectrum analysis; Fourier analysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/40—Arrangements for reducing harmonics
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Abstract
The invention relates to a power distribution terminal with a harmonic electric energy metering function, which comprises a casing of the power distribution terminal and a harmonic detector arranged in the casing, wherein a base is arranged below the power distribution terminal, a rotating shaft is arranged in the center of the top surface of the base, an installation disc is fixedly arranged at the top of the rotating shaft, the casing is arranged on the installation disc, limiting assemblies for fixing the casing are respectively arranged on two sides of the top of the base, each limiting assembly comprises a positioning rod, a guide rod and a return spring, a cavity is arranged in the base, a through hole communicated with the cavity is formed in the top surface of the base, the guide rod is fixed in the cavity, the positioning rod penetrates through the through hole and is sleeved on the guide rod in a sliding mode, the bottom of the positioning rod is connected with the inner wall of the cavity through the return spring, the circumferential side wall of the positioning rod is abutted against the side wall of the casing, and the limiting assemblies further comprise locking mechanisms for locking the positioning rods below the through holes.
Description
Technical Field
The invention belongs to the technical field of metering devices, and particularly relates to a power distribution terminal with a harmonic electric energy metering function.
Background
With the rapid development of industrial technologies, a plurality of nonlinear loads are connected into a power grid, the harmonic content of the power grid is increased year by year, and various hazards caused by the harmonic of the power grid are increasingly prominent. Therefore, the quality of alternating current power supplied to a power receiving end of a user by a public power grid needs to be measured and analyzed through harmonic wave metering equipment, the influence of various electric equipment on the power quality of the public power grid in different running states is analyzed, and fault reasons such as circuit breaker action, transformer overheating, motor burnout, automatic device misoperation and the like in a power system are analyzed. Most distribution terminal all can lean on the wall when the installation, one is regular in order to practice thrift place space and space, and two come the terminal and avoid the cable to lay in disorder in passageway area after the wiring, influence the walking. The wiring port of the terminal is usually located on the side of the side wall, and when the terminal is detected or maintained, the operation is difficult and complicated due to poor visual field.
Disclosure of Invention
Accordingly, the present invention is directed to a power distribution terminal with a harmonic power metering function, so as to solve the above problems in the related art.
The technical scheme of the invention is realized as follows:
the invention provides a power distribution terminal with a harmonic electric energy metering function, which comprises a casing of the power distribution terminal and a harmonic detector arranged in the casing, wherein a base is arranged below the power distribution terminal, a rotating shaft is arranged in the center of the top surface of the base, an installation disc is fixedly arranged at the top of the rotating shaft, the casing is arranged on the installation disc, limiting assemblies for fixing the casing are respectively arranged on two sides of the top of the base, each limiting assembly comprises a positioning rod, a guide rod and a return spring, a cavity is arranged in the base, a through hole communicated with the cavity is formed in the top surface of the base, the guide rods are fixed in the cavity, the positioning rods penetrate through the through holes and are sleeved on the guide rods in a sliding mode, the bottoms of the positioning rods are connected with the inner wall of the cavity through the return springs, the circumferential side walls of the positioning rods are abutted to the side walls of the casing, and each limiting assembly further comprises a locking mechanism for locking the positioning rods below the through holes.
Preferably, the limiting components are respectively arranged at four corners of the base.
Preferably, the locking mechanism comprises a shielding plate for shielding the through hole, the shielding plate is rotatably connected with the top surface of the base through a connecting shaft, an arc-shaped gap is formed in the shielding plate, and the through hole is communicated with the gap.
Preferably, the top surface of the shielding plate is provided with friction stripes.
Preferably, the bottom of the machine shell is provided with a hemispherical clamping groove, the top of the base is provided with a groove, a positioning block clamped with the clamping groove is installed in the groove, the positioning block is connected with the inner wall of the groove in a sliding mode, and the positioning block is connected with the groove through an elastic mechanism.
Preferably, the elastic mechanism comprises an expansion spring, one end of the expansion spring is fixedly connected with the inner wall of the groove, and the other end of the expansion spring is fixedly connected with the positioning block.
Preferably, the operating panel of the casing is provided with a slide rail, a slide plate for shielding the operating panel is slidably mounted in the slide rail, and the slide plate is made of transparent material.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a power distribution terminal with a harmonic electric energy metering function, when a cable socket of the power distribution terminal is detected or maintained, a positioning rod can be pressed downwards, the positioning rod is locked below a through hole through a locking mechanism, at the moment, a shell loses the limit of the positioning rod, one side of a rear wiring port is rotated to the front through rotating the shell, at the moment, the shell can possibly receive the action of an original wiring cable, the rotation trend can be generated, the locking of the positioning rod by the locking mechanism can be relieved, the positioning rod pops upwards, the current position of the shell is limited and fixed, the shell is prevented from rotating, the cable can be conveniently plugged into the port, the plugging speed is greatly improved, the plugging difficulty is reduced, and the detection or maintenance efficiency of the power distribution terminal is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a top view of a first embodiment of the present invention;
FIG. 2 is a front view of the first embodiment of the present invention;
FIG. 3 is a cross-sectional view taken at a-a of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
fig. 5 is a schematic bottom structure diagram of a housing according to a second embodiment of the invention;
FIG. 6 is a schematic diagram of an internal structure of a groove according to a second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a chassis according to a third embodiment of the present invention.
In the figure, a machine shell 1, a base 2, a rotating shaft 3, a mounting disc 4, a positioning rod 5, a guide rod 6, a return spring 7, a cavity 8, a shielding plate 9, a clamping groove 10, a groove 11, a positioning block 12, an expansion spring 13, a sliding rail 14 and a sliding plate 15 are arranged.
Detailed Description
In order to better understand the technical content of the invention, specific embodiments are provided below, and the invention is further described with reference to the accompanying drawings.
Example one
Referring to fig. 1 to 4, the invention provides a power distribution terminal with a harmonic electric energy metering function, which comprises a casing 1 of the power distribution terminal and a harmonic detector installed in the casing 1, wherein the power distribution terminal with the harmonic electric energy metering function is installed at a user inlet end of a network cabinet, fundamental electric quantity and harmonic electric quantity of a user are metered, fundamental electric quantity and harmonic electric quantity data of the user are metered, the data are transmitted to a system end through a wireless communication interface of the terminal, research based on key technologies of all user electric energy information and harmonic correlation is carried out at the system end, influences of harmonic waves on electric energy metering are obtained, harmonic wave responsible users are found out according to harmonic wave responsible quantized values, and a harmonic wave source is positioned. The utility model discloses a power distribution terminal, including distribution terminal, casing 2, locating lever 5, guide bar 6, reset spring 7, distribution terminal's below is equipped with base 2, 2 top surface centers of base are equipped with pivot 3, 3 fixed mounting discs 4 that are equipped with in top of pivot, casing 1 is installed on mounting discs 4, 2 top both sides of base are equipped with right casing 1 carries out the spacing subassembly of fixing respectively, spacing subassembly includes locating lever 5, guide bar 6 and reset spring 7, 2 inside cavities 8 that are equipped with of base, 2 top surfaces of base be equipped with the communicating through-hole of cavity 8, guide bar 6 is fixed inside 8 cavities, locating lever 5 passes through-hole and slip cup joint on the guide bar 6, reset spring 7 passes through the bottom of locating lever 5 with 8 inner wall connection of cavity, the circumference lateral wall of locating lever 5 with the lateral wall butt of casing 1, spacing subassembly still including with 5 locking of locating lever is in the locking mechanism of through-hole below.
Distribution terminal passes through mounting disc 4 and pivot 3 can realize rotating the effect, and during the conventional mode, locating lever 5 is ejecting to the through-hole top along guide bar 6 under reset spring 7's effect, and locating lever 5 through both sides carries out the centre gripping to casing 1 both sides fixed, prevents that casing 1 from rotating. When detecting or maintaining distribution terminal and carrying out the cable socket, can press locating lever 5 downwards, lock locating lever 5 in the through-hole below through locking mechanism, casing 1 loses locating lever 5 spacing this moment, rotates wiring port one side at rear to the place ahead through rotating casing 1, conveniently carries out the grafting of cable to the port, improves grafting speed, reduces the grafting degree of difficulty, and then improves the detection or the maintenance efficiency to distribution terminal. The wiring port of casing 1 rotates around to, receives the effect of original wiring cable, has the trend of gyration, at this moment, can relieve locking mechanism to the locking of locating lever 5, and locating lever 5 pops out upwards, carries out spacing fixed to the current position of casing 1, prevents that casing 1 from gyration, further improves detection efficiency. After detection or maintenance is finished, the steps can be repeated to press the positioning rod 5, the shell 1 is rotated to readjust the position, the operation panel faces outwards, the wiring port faces inwards, the positioning rod 5 is lifted again to fixedly hold the shell 1, and the whole set of detection process is completed.
The limiting components are respectively arranged at four corners of the base 2. Through the spacing subassembly of four angle departments installation at base 2, further improve the centre gripping effect to casing 1, improve casing 1's installation stability.
The locking mechanism comprises a shielding plate 9 used for shielding the through hole, the shielding plate 9 is rotatably connected with the top surface of the base 2 through a connecting shaft, an arc-shaped notch is formed in the shielding plate 9, the through hole is communicated with the notch, the size of the notch is larger than that of the through hole, when the positioning rod 5 needs to be locked below the through hole, the positioning rod 5 is pressed to retract the rod body of the positioning rod 5 into a cavity 8 below the through hole, then the shielding plate 9 is rotated to shield the through hole through the shielding plate 9, and the positioning rod 5 is locked; when the positioning rod 5 needs to be lifted, the shielding plate 9 only needs to be rotated, the notch is rotated to the position of the through hole, the through hole is opened at the moment, the positioning rod 5 is upwards popped out along the guide rod 6 under the action of the reset spring 7, and the machine shell 1 is clamped and limited.
The top surface of the shielding plate 9 is provided with friction stripes, so that the friction force of the shielding plate 9 is improved through the friction stripes, and the shielding plate 9 is convenient for an operator to rotate.
Example two
Referring to fig. 5 to 6, the difference between the first embodiment and the second embodiment is that a hemispherical slot 10 is formed in the bottom of the casing 1, the slot 10 is respectively formed in four corners of the bottom of the casing 1, a groove 11 is formed in the top of the base 2, a positioning block 12 clamped with the slot 10 is installed in the groove 11, the top of the positioning block 12 is hemispherical, the positioning block 12 is slidably connected with the inner wall of the groove 11, and the positioning block 12 is connected with the groove 11 through an elastic mechanism.
Elasticity mechanism includes expanding spring 13, expanding spring 13 one end with 11 inner walls fixed connection of recess, the other end with locating piece 12 fixed connection, locating piece 12 under expanding spring 13's effect with draw-in groove 10 joint, when rotating casing 1, locating piece 12 can receive the atress to the inside back that contracts of recess 11, and locating piece 12 and draw-in groove 10 separation, butt are in casing 1 bottom afterwards, and casing 1 bottom is smooth wall with locating piece 12 surface, conveniently rotates casing 1. When rotating casing 1, if casing 1 position is not right, shelter from the through-hole easily, lead to locating lever 5 can't lift up, just also can't carry out the centre gripping spacing to casing 1 through locating lever 5, under the cooperation of locating piece 12 and draw-in groove 10, casing 1 rotates 90 for every time, locating piece 12 just can dock with draw-in groove 10 again, realize preliminary positioning, this moment lifting locating lever 5, locating lever 5 just can with the both sides butt of casing 1, realize clamping function, greatly reduced the operation degree of difficulty.
EXAMPLE III
Referring to fig. 7, the present embodiment is different from the first and second embodiments in that a slide rail 14 is disposed on the operation panel of the housing 1, a slide plate 15 for shielding the operation panel is slidably mounted in the slide rail 14, and the slide plate 15 is made of a transparent material. When the operation panel is not required to be operated, the sliding plate 15 can be pushed to shield the operation panel, so that the phenomenon that the operation personnel accidentally touches or other objects touch the operation panel, the error operation is caused to the equipment terminal, and the work of the equipment terminal is influenced is avoided. When the operation is required, the sliding plate 15 is pushed to open the operation panel.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a distribution terminal with harmonic electric energy measurement function, includes distribution terminal's casing and installs harmonic detector in the casing, a serial communication port, distribution terminal's below is equipped with the base, base top surface center is equipped with the pivot, the fixed mounting disc that is equipped with in pivot top, the casing is installed on the mounting disc, the top both sides of base are equipped with respectively right the casing carries out fixed spacing subassembly, spacing subassembly includes locating lever, guide bar and reset spring, the inside cavity that is equipped with of base, the base top surface be equipped with the communicating through-hole of cavity, the guide bar is fixed inside the cavity, the locating lever passes through-hole and slip cup joint on the guide bar, the bottom of locating lever is passed through reset spring with cavity inner wall connection, the circumference lateral wall of locating lever with the lateral wall butt of casing, spacing subassembly still include with the locating lever locking is in the locking mechanism of through-hole below.
2. The power distribution terminal with the harmonic electric energy metering function as claimed in claim 1, wherein the limiting components are respectively arranged at four corners of the base.
3. The power distribution terminal with the harmonic electric energy metering function of claim 2, wherein the locking mechanism comprises a shielding plate for shielding the through hole, the shielding plate is rotatably connected with the top surface of the base through a connecting shaft, the shielding plate is provided with an arc-shaped notch, and the through hole is communicated with the notch.
4. The power distribution terminal with the harmonic power metering function as claimed in claim 3, wherein the top surface of the shielding plate is provided with friction stripes.
5. The power distribution terminal with the harmonic electric energy metering function according to claim 1, wherein a hemispherical clamping groove is formed in the bottom of the casing, a groove is formed in the top of the base, a positioning block clamped with the clamping groove is installed in the groove, the positioning block is connected with the inner wall of the groove in a sliding mode, and the positioning block is connected with the groove through an elastic mechanism.
6. The power distribution terminal with the harmonic electric energy metering function of claim 5, wherein the elastic mechanism comprises an expansion spring, one end of the expansion spring is fixedly connected with the inner wall of the groove, and the other end of the expansion spring is fixedly connected with the positioning block.
7. The power distribution terminal with the harmonic electric energy metering function according to claim 1, wherein a slide rail is provided on the operation panel of the housing, a slide plate for shielding the operation panel is slidably installed in the slide rail, and the slide plate is made of a transparent material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110698353.3A CN113447714B (en) | 2021-06-23 | 2021-06-23 | Power distribution terminal with harmonic electric energy metering function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110698353.3A CN113447714B (en) | 2021-06-23 | 2021-06-23 | Power distribution terminal with harmonic electric energy metering function |
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| Publication Number | Publication Date |
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| CN113447714A CN113447714A (en) | 2021-09-28 |
| CN113447714B true CN113447714B (en) | 2022-12-27 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101620932B1 (en) * | 2015-12-29 | 2016-05-13 | (주)대광기술 | Power control unit distribution of the distribution line |
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| JPH09172707A (en) * | 1995-12-18 | 1997-06-30 | Kawamura Electric Inc | Housing used for receiving electrical equipment |
| JPH1045107A (en) * | 1996-08-03 | 1998-02-17 | Toppan Printing Co Ltd | Apparatus for tightening side wall of packaging container |
| JP2007045589A (en) * | 2005-08-11 | 2007-02-22 | Mitsubishi Electric Building Techno Service Co Ltd | Door stopper for elevator device |
| CN200943327Y (en) * | 2006-02-27 | 2007-09-05 | 李文轩 | Vehicle antitheft device |
| JP6216131B2 (en) * | 2013-03-25 | 2017-10-18 | 技研金物株式会社 | Locking device for door lock |
| JP6506633B2 (en) * | 2015-06-09 | 2019-04-24 | 株式会社Ｓｋｂ | Door stopper |
| CN208681016U (en) * | 2018-07-31 | 2019-04-02 | 中山科隆汽车动力科技有限公司 | A kind of casing fixture |
| CN210365822U (en) * | 2019-09-07 | 2020-04-21 | 深圳竞力达科技有限公司 | Casing conveyer of rotation assembly line |
| CN210894566U (en) * | 2019-09-19 | 2020-06-30 | 广东电网有限责任公司 | Storage device of voltage time type feeder automation test equipment |
| CN211605832U (en) * | 2019-10-12 | 2020-09-29 | 张群 | Outdoor rainproof and snow-proof distribution box |
| CN211415690U (en) * | 2019-12-21 | 2020-09-04 | 济南铭洋建设机械有限公司 | Mixer platform |
| CN211600148U (en) * | 2020-01-08 | 2020-09-29 | 李国栋 | Green construction monitoring device convenient to installation |
| US20200180098A1 (en) * | 2020-02-14 | 2020-06-11 | Yingying Zhong | Three-pole door capable of detecting luhhage package |
| CN212210078U (en) * | 2020-05-30 | 2020-12-22 | 河南元坤新能源科技有限公司 | Electric power safety measurement cabinet |
| CN111609031A (en) * | 2020-06-24 | 2020-09-01 | 上海安翰医疗技术有限公司 | Mechanical limiting mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101620932B1 (en) * | 2015-12-29 | 2016-05-13 | (주)대광기술 | Power control unit distribution of the distribution line |
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