CN105572440A - Electric energy metering device capable of being installed on cable - Google Patents
Electric energy metering device capable of being installed on cable Download PDFInfo
- Publication number
- CN105572440A CN105572440A CN201510680423.7A CN201510680423A CN105572440A CN 105572440 A CN105572440 A CN 105572440A CN 201510680423 A CN201510680423 A CN 201510680423A CN 105572440 A CN105572440 A CN 105572440A
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- Prior art keywords
- housing
- cable
- line
- box body
- hole
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- 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)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The invention discloses an electric energy metering device capable of being installed on a cable and solves the technical problem that an electric energy metering device can be installed under the condition of power off of a power line at present. The electric energy metering device comprises a box body formed by a first housing and a second housing, which can be pieced together or separated. The middle of the box body is provided with a run-through through hole for accommodating the cable; the through hole is arranged in the upper side and lower side of a closing surface of the first housing and the second housing; the box body is provided with a phase line electricity taking needle capable of moving up and down to prick through the cable accommodated in the through hole so as to collect voltage signals; the box body, in the outer ring of the through hole, is internally provided with a current transformer mechanism for collecting the current signal of the cable in the through hole; and the box body is internally provided with an electronic processing module into which the voltage and current signals are input. The opening/closing-type current transformer mechanism and the penetrating-type electricity taking needle are utilized to obtain the current and voltage of the power line, so that the device can be installed and used under the condition of not cutting off the power of the power line.
Description
Technical field
The present invention relates to electric power measuring device technical field, the electric power meter installed in the charged situation of especially a kind of applicable low-voltage circuit.
Background technology
In the management of power use, need some electric energy measuring equipments and automatic monitoring equipment to measure the electric current of power circuit, voltage, often require that equipment completes installation under the prerequisite not affecting power supply simultaneously, in order to realize this purpose, need the current transformer adopting open-close type to gather current signal, and on the cable with insulating sheath, directly realize power taking could install by finishing equipment under not power-off continues to flow situation.Do not meet the product of above-mentioned requirements in the market.
Summary of the invention
The object of the invention is the deficiency in order to solve above-mentioned technology and a kind of electric power meter be arranged on cable is provided, the collection of electric current, voltage signal can be completed under not power-off continues to flow situation, being directly installed on outdoor circuit and using.
In order to achieve the above object, a kind of electric power meter be arranged on cable designed by the present invention, comprise by can the box body that forms of split or the first housing opened and the second housing, a through hole for holding cable run through is offered in the middle of described box body, described through hole is positioned at the upper side and lower side that the first housing and the second housing close up face, described box body is equipped with one upper and lower displacement to prick to wear and be contained in cable in through hole for gathering the phase line power taking pin of voltage signal, the Current Mutual Inductance mechanism for gathering through hole inner cable current signal is provided with in the box body being in through hole outer ring, the electronic processing module accessing above-mentioned voltage and current signal is also housed in described box body, described electronic processing module connects a neutral voltage electricity-fetching mechanism for transmission voltage signal by a voltage lead.The present invention by phase line power taking pin, open-close type current mutual induction mechanism and electronic processing unit composite design in same box body, and realize being connected with zero line by a voltage lead and zero line electricity-fetching mechanism, only needing to open box body during use is enclosed within phase line cable closed and locked, zero line electricity-fetching mechanism is fixed on zero line cable, respective power taking pin is utilized to obtain the voltage signal of phase line and zero line respectively, electronic processing module samples electric current, voltage signal computing, when realizing not power-off, checkout equipment installation and monitoring are carried out to power circuit.
As optimization:
Described box body is plastic material, and the first described housing and the second housing are connected by a rotating shaft and realize the split of box body or open, simple and reasonable for structure, rotates split or open box body easy to operate.
Described electronic processing module comprises radio communication unit, is applicable to some power circuits in higher position, and the situation with the inconvenient wired connection of other data collectors, also has calculation processing unit, metering units and storage unit.
Described neutral voltage electricity-fetching mechanism comprises a C type frame, zero line holding tank is provided with in described C type frame, be in the line ball handle C type frame above zero line holding tank being equipped with an energy upper and lower displacement, be in the C type frame below cable holding groove and zero line electricity taking terminal is housed, described zero line electricity taking terminal is spirally connected and one upper and lower displacement can enters or exit the zero line power taking pin of zero line holding tank, described zero line electricity taking terminal and power taking pin are metal material, described zero line electricity taking terminal is by one end of screw crimping voltage lead, the other end of voltage lead welds with described electronic processing unit through the second housing, power taking is convenient, reliably.
Described Current Mutual Inductance mechanism comprises the first semicircular iron core be arranged in the first housing and the second semicircular iron core be arranged in the second housing, the first described semicircular iron core and the second semicircular iron core are spliced into an annular core under box body split state, described through hole is positioned in the middle of described annular core, the second described semicircular iron core both ends are overlapped respectively and are had a line bag, two described line bags are positioned at the both sides of described through hole, and one of two line bags first tail series connection, the other first tail of two line bags is as current signal output end, open-close type current mutual inductance structure, realize induction and the output of current signal.
Two described line bags are the same and formed by enameled wire even coiling on H-frame, ensure the current signal accuracy of drawing.
Described second case inside is provided with and runs through the consistent cable holding groove in direction with through hole, the second housing being in side, cable holding groove overhead is equipped with a line ball screw rod that can move forward and backward, described phase line power taking pin be arranged on be in cable holding groove opposite side the second housing on, rotate line ball screw rod can realize moving forward and backward, cable in through hole can be pressed on the bottom of cable holding groove to cable side displacement by line ball screw rod, plays the effect of attached cable.
The thread that described line ball screw rod is formed with injection moulding on the second housing is connected, and the line ball screw tip be exposed to outside the second housing has driver flutes, easy to operate, connects reliable.
Be screwed onto in a phase line electricity taking terminal be arranged in the second housing in the middle part of described phase line power taking pin, described phase line power taking pin and phase line electricity taking terminal are metal material, described phase line electricity taking terminal connects a voltage signal output lead, the described voltage signal output lead other end and described electronic processing model calling, extraction voltage signal in relatively-stationary phase line electricity taking terminal, structure is more simple, and reliable and accuracy is stronger.
Described annular core is square, along vertical on one side and asymmetric incision formation first semicircular iron core and the second semicircular iron core, the second described semicircular core dimensions is greater than described first semicircular iron core, and the second semicircular core dimensions is larger, facilitates the setting of line bag.
A kind of electric power meter be arranged on cable that the present invention obtains, open-close type current mutual inductance structure and piercing power taking pin is utilized to obtain electric current and the voltage of circuit, achieve device to install and use when power circuit does not have a power failure, simultaneously built-in electronic processing unit is converted to required digital quantity the voltage and current signal collected and exports to data collector by wireless communication module, eliminate communication cable, install succinct, use flexibly, very various low-voltage circuit is applicable to as electricity consumption monitoring device, the particularly monitoring occasion of overhead transmission line.
Accompanying drawing explanation
Fig. 1 is cross-sectional schematic of the present invention;
Fig. 2 is another cross-sectional schematic of the present invention.
In figure: 1-first housing; 2-second housing; 3-first semicircular iron core; 4-second semicircular iron core; 5-line bag; 6-line ball screw rod; 7-rotating shaft; 8-electronic processing module; 9-phase line power taking pin; 10-phase line electricity taking terminal; 11-voltage lead; 12-C type frame; 13-line ball handle; 14-zero line power taking pin; 15-zero line electricity taking terminal; 16-through hole.
Embodiment
Below by embodiment, the invention will be further described by reference to the accompanying drawings.
Embodiment 1:
As Fig. 1, shown in Fig. 2, a kind of electric power meter be arranged on cable that the present embodiment describes, comprise by can the box body that forms of split or the first housing 1 opened and the second housing 2, a through hole 16 for holding cable run through is offered in the middle of described box body, described through hole 16 be positioned at the first housing 1 and the second housing 2-in-1 hold together the upper side and lower side in face, described box body is equipped with one upper and lower displacement to prick to wear and be contained in cable in through hole for gathering the phase line power taking pin 9 of voltage signal, the Current Mutual Inductance mechanism for gathering the cable current signal being positioned at through hole is provided with in the box body being in through hole outer ring, the electronic processing module 8 accessing above-mentioned voltage and current signal is also housed in described box body, described electronic processing module 8 connects a neutral voltage electricity-fetching mechanism for transmission voltage signal by a voltage lead 11.Described box body is plastic material, and the first described housing 1 and the second housing 2 are connected by a rotating shaft 7 and realize the split of box body or open.
Described electronic processing module 8 comprises radio communication unit, also has calculation processing unit, metering units and storage unit.
Described neutral voltage electricity-fetching mechanism comprises a C type frame 12, zero line holding tank is provided with in described C type frame 12, be in the line ball handle 13 C type frame above zero line holding tank being equipped with an energy upper and lower displacement, be in the C type frame below cable holding groove and zero line electricity taking terminal 15 is housed, described zero line electricity taking terminal 15 is spirally connected and one upper and lower displacement can enters or exit the zero line power taking pin 14 of zero line holding tank, described zero line electricity taking terminal 15 and zero line power taking pin 14 are metal material, described zero line electricity taking terminal 15 is by one end of screw crimping voltage lead 11, the other end of voltage lead 11 welds with described electronic processing unit 8 through the second housing 2.
Described Current Mutual Inductance mechanism comprises the first semicircular iron core 3 be arranged in the first housing 1 and the second semicircular iron core 4 be arranged in the second housing 2, the first described semicircular iron core 3 and the second semicircular iron core 4 are spliced into an annular core under box body split state, described through hole 16 is positioned in the middle of described annular core, the second described semicircular iron core 2 both ends are overlapped respectively and are had a line bag 5, two described line bags 5 are positioned at the both sides of described through hole 16, and one of two line bags 5 first tail series connection, the other first tail of two line bags 5 is as current signal output end.Two described line bags 5 are the same and formed by enameled wire even coiling on H-frame.
Be provided with inside described second housing 2 and run through the consistent cable holding groove in direction with through hole, the second housing 2 being in side, cable holding groove overhead being equipped with one can the line ball screw rod 6 of upper and lower displacement, and described phase line power taking pin 9 is arranged on and is on the second housing 2 of cable holding groove opposite side.
The thread that described line ball screw rod 6 is formed with injection moulding on the second housing 2 is connected, and line ball screw rod 6 top be exposed to outside the second housing has driver flutes.
Be screwed onto in a phase line electricity taking terminal 10 be arranged in the second housing in the middle part of described phase line power taking pin 9, described phase line power taking pin 9 and phase line electricity taking terminal 10 are metal material, described phase line electricity taking terminal 10 connects a voltage signal output lead, the described voltage signal output lead other end is connected with described electronic processing module 8.Described annular core is square, and along vertical and asymmetric incision formation first semicircular iron core 3 and the second semicircular iron core 4, the second described semicircular iron core 4 size is greater than described first semicircular iron core 3.
During installation, box body is opened and is enclosed within line cord and the first housing 1 and the second housing 2 are locked, the tangent plane of iron core is fitted tightly, now can gather the current signal of circuit; Rotate line ball screw rod 6 until cable is pressed to the bottom of V-type cable holding groove; Operate phase line power taking pin 9 again to prick the insulating sheath wearing cable phase line and touch wire, voltage signal can be obtained from the lead-in wire be welded on phase line electricity taking terminal 10; Zero line is placed in C type frame 12 simultaneously, rotates line ball handle 13 and be located, and rotation zero line power taking pin 14 is penetrated zero line and touches wire, obtain neutral voltage signal; Circuit, the voltage signal of above-mentioned acquisition all transfer to electronic processing module 8, and electronic processing module 8 pairs of sample rate currents, voltage signal carry out computing, and the data after process are by the transmission of radio communication unit external device.
Claims (10)
1. one kind can be arranged on the electric power meter on cable, it is characterized in that comprising by can the box body that forms of split or the first housing (1) opened and the second housing (2), a through hole (16) for holding cable run through is offered in the middle of described box body, described through hole (16) is positioned at the upper side and lower side that the first housing (1) and the second housing (2) close up face, described box body is equipped with one upper and lower displacement to prick to wear and be contained in cable in through hole for gathering the phase line power taking pin (9) of voltage signal, the Current Mutual Inductance mechanism for gathering through hole inner cable current signal is provided with in the box body being in through hole outer ring, the electronic processing module (8) accessing above-mentioned voltage and current signal is also housed in described box body, described electronic processing module (8) connects a neutral voltage electricity-fetching mechanism for transmission voltage signal by a voltage lead (11).
2. a kind of electric power meter be arranged on cable according to claim 1, it is characterized in that described box body is plastic material, described the first housing (1) and the second housing (2) are connected by a rotating shaft (7) and realize the split of box body or open.
3. a kind of electric power meter be arranged on cable according to claim 1, is characterized in that described electronic processing module (8) comprises radio communication unit, also has calculation processing unit, metering units and storage unit.
4. a kind of electric power meter be arranged on cable according to claim 1, it is characterized in that described neutral voltage electricity-fetching mechanism comprises a C type frame (12), zero line holding tank is provided with in described C type frame (12), be in the line ball handle (13) the C type frame above zero line holding tank being equipped with an energy upper and lower displacement, be in the C type frame below cable holding groove and zero line electricity taking terminal (15) is housed, described zero line electricity taking terminal (15) is spirally connected and one upper and lower displacement can enters or exit the zero line power taking pin (14) of zero line holding tank, described zero line electricity taking terminal (15) and zero line power taking pin (14) are metal material, described zero line electricity taking terminal (15) crimps one end of voltage lead (11) by screw, the other end of voltage lead (11) welds with described electronic processing unit (8) through the second housing (2).
5. a kind of electric power meter be arranged on cable according to claim 1, it is characterized in that described Current Mutual Inductance mechanism comprises the first semicircular iron core (3) be arranged in the first housing (1) and the second semicircular iron core (4) be arranged in the second housing (2), the first described semicircular iron core (3) and the second semicircular iron core (4) are spliced into an annular core under box body split state, described through hole (16) is positioned in the middle of described annular core, the second described semicircular iron core (2) both ends are overlapped respectively and are had a line bag (5), two described line bags (5) are positioned at the both sides of described through hole (16), and one of two line bags (5) first tail series connection, the other first tail of two line bags (5) is as current signal output end.
6. a kind of electric power meter be arranged on cable according to claim 5, is characterized in that two described line bags (5) are the same and is formed by enameled wire even coiling on H-frame.
7. a kind of electric power meter be arranged on cable according to claim 1, it is characterized in that described second housing (2) inner side is provided with and run through the consistent cable holding groove in direction with through hole, the second housing (2) being in side, cable holding groove overhead is equipped with a line ball screw rod (6) that can move forward and backward, and described phase line power taking pin (9) is arranged on and is on second housing (2) of cable holding groove opposite side.
8. a kind of electric power meter be arranged on cable according to claim 7, it is characterized in that the thread that the upper injection moulding of described line ball screw rod (6) and the second housing (2) is formed is connected, line ball screw rod (6) top be exposed to outside the second housing has driver flutes.
9. a kind of electric power meter be arranged on cable according to claim 1 or 7, it is characterized in that described phase line power taking pin (9) middle part is screwed onto in a phase line electricity taking terminal (10) be arranged in the second housing, described phase line power taking pin (9) and phase line electricity taking terminal (10) are metal material, the upper connection one voltage signal output lead of described phase line electricity taking terminal (10), the described voltage signal output lead other end is connected with described electronic processing module (8).
10. a kind of electric power meter be arranged on cable according to claim 5, it is characterized in that described annular core is square, along vertical on one side and asymmetric incision formation first semicircular iron core (3) and the second semicircular iron core (4), the second described semicircular iron core (4) size is greater than described first semicircular iron core (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680423.7A CN105572440A (en) | 2015-10-20 | 2015-10-20 | Electric energy metering device capable of being installed on cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680423.7A CN105572440A (en) | 2015-10-20 | 2015-10-20 | Electric energy metering device capable of being installed on cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105572440A true CN105572440A (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510680423.7A Pending CN105572440A (en) | 2015-10-20 | 2015-10-20 | Electric energy metering device capable of being installed on cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105572440A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356789A (en) * | 2016-08-17 | 2017-01-25 | 国网天津市电力公司 | Energy efficiency monitoring terminal with uninterrupted power and installation method thereof |
| CN106841735A (en) * | 2017-02-17 | 2017-06-13 | 南京天溯自动化控制系统有限公司 | Power acquirer and its energy-consumption monitoring method |
| CN107677885A (en) * | 2017-04-26 | 2018-02-09 | 国网浙江义乌市供电公司 | One kind exempts from wiring electrical parameter sensor |
| CN108172386A (en) * | 2018-03-06 | 2018-06-15 | 浙江天际互感器有限公司 | A kind of Open Type Electric Current Mutual Inductor of outdoor desirable voltage signal |
| CN109188068A (en) * | 2018-08-06 | 2019-01-11 | 国网山东省电力公司淄博供电公司 | Three-stage is U-shaped adjustable to charge installation high-voltage meter |
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| CN101286413A (en) * | 2007-02-02 | 2008-10-15 | 湖北盛佳电器设备有限公司 | Straight-through current transformer convenient for measuring voltage |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356789A (en) * | 2016-08-17 | 2017-01-25 | 国网天津市电力公司 | Energy efficiency monitoring terminal with uninterrupted power and installation method thereof |
| CN106841735A (en) * | 2017-02-17 | 2017-06-13 | 南京天溯自动化控制系统有限公司 | Power acquirer and its energy-consumption monitoring method |
| CN107677885A (en) * | 2017-04-26 | 2018-02-09 | 国网浙江义乌市供电公司 | One kind exempts from wiring electrical parameter sensor |
| CN108172386A (en) * | 2018-03-06 | 2018-06-15 | 浙江天际互感器有限公司 | A kind of Open Type Electric Current Mutual Inductor of outdoor desirable voltage signal |
| CN109188068A (en) * | 2018-08-06 | 2019-01-11 | 国网山东省电力公司淄博供电公司 | Three-stage is U-shaped adjustable to charge installation high-voltage meter |
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Application publication date: 20160511 |