CN104062479A - New wiring-free quick mounting device for meters - Google Patents
New wiring-free quick mounting device for meters Download PDFInfo
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- CN104062479A CN104062479A CN201410245299.7A CN201410245299A CN104062479A CN 104062479 A CN104062479 A CN 104062479A CN 201410245299 A CN201410245299 A CN 201410245299A CN 104062479 A CN104062479 A CN 104062479A
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- short
- guide rod
- eyelet
- electric guide
- press
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Abstract
The invention discloses a new wiring-free quick mounting device for meters. As a pressing long conductive rod and a pressing short conductive rod are arranged in touch bolt chamber, the new wiring-free quick mounting device is characterized in that when a meter with an inserting bolt at the bottom is inserted into the insertion hole of a block, the pressing long conductive rod is capable of gliding downwards in advance to disconnect a short-circuit contact arm as a circular short butting column is propped against the pressing long conductive rod, and the pressing short conductive rod is capable of realizing secondary contact, namely quick contact with other circular short butting columns. As long as the new wiring-free quick mounting device is used, the meters do not need to be wired, and for demounting the meters, the secondary rear short-circuiting of the secondary side of a current transformer is avoided. The new wiring-free quick mounting device is convenient and practicable for use in a circuit which can be automatically opened upon secondary wiring of the current transformer and also can be automatically short-circuited at the secondary rear side; if the short-circuit contact arm is demounted, the device can be applied to a direct-connected circuit more conveniently and more practicably.
Description
Technical field the present invention relates to electric-power metering utensil, is directly involved in measurement instrument without wiring Fast Installation new equipment, and the power transmission and distribution transformer that is specially adapted to transformer station and high pressure user is installed measurement meter use.
Background technology is in electrical power distribution system, according to the actual demand of electric system, the existing power transmission and distribution transformer control metering of China is divided into high pressure measurement and low-temperature measurement, adopts high pressure measurement and low-temperature measurement all must access gauging table by Current Transformer Secondary coil.In the time of normal work, Current Transformer Secondary side is in approximate short-circuit condition, output voltage is very low, if be in operation, Secondary Winding open circuit or a winding flow through abnormal current (as lightning current, resonance excess current, capacitor charging electric current, inductance starting current etc.), all can produce at secondary side the superpotential of thousands of volts volts even up to ten thousand.This not only works the mischief to electrical secondary system insulation, also can make the too drastic and scaling loss of mutual inductor.In long-term use, though people also find that existing total monitoring gauging table wiring is convenient, practical, but also have not the serious drawback that very easily there will be unpredictable dangerous accident to occur by people overcame: when the metering of master control gauging table inaccurate, damage, or change time, after operating substation transformer certainly will being had a power failure, just can change or safeguard, particularly when dynamic load that substation transformer is with is can not have a power failure while being restricted, under electriferous state, can not realize especially dismounting, install or safeguard, because electric energy meter current coil terminals connect Current Transformer Secondary coil, when after the charged dismounting of electric energy meter current coil wiring, secondary wiring of current mutual inductor end can form open circuit, secondary wiring of current mutual inductor after disconnecting is as rear shorted in do not carried out, now Current Transformer Secondary line end there will be high voltage, high voltage after appearance easily can directly have great threat to personal safety guarantee, even jeopardize operational outfit and personnel's life security, and also very easily there will be the generation of other unpredictable dangerous accident.
Summary of the invention object of the present invention will provide a kind of measurement instrument without wiring Fast Installation new equipment exactly, it can overcome effectively: when the metering of master control gauging table is forbidden, damage, or change time, after operating substation transformer certainly will being had a power failure, just can change, when dynamic load that substation transformer is with is can not have a power failure while being restricted, now will under electriferous state, remove, install or safeguard, in the time removing the wiring of gauging table current coil, secondary wiring of current mutual inductor forms open circuit, because secondary wiring of current mutual inductor is short circuit operation, secondary wiring of current mutual inductor after disconnection is as rear shorted in do not carried out, now Current Transformer Secondary line end there will be high voltage, high voltage after appearance easily can directly have great threat to personal safety guarantee, easily can shock by electricity to operating personnel, and also very easily there will be the serious drawback of the generation of other unpredictable dangerous accident.
The object of the present invention is achieved like this: measurement instrument is without wiring Fast Installation new equipment, there is boxlike pedestal and tactile bolt chamber, described boxlike pedestal upper end is provided with the solid block of inserting eyelet, with solid block top one side of inserting eyelet, the first pocket watch eyelet is set, opposite side arranges the second pocket watch eyelet, the second pocket watch eyelet upper end arranges theftproof device and buckles, and arranges and touches bolt chamber with the solid block bottom of inserting eyelet.
As further scheme of the present invention be: the indoor setting of described tactile bolt presses long electric guide rod and presses short electric guide rod, press long electric guide rod and press short electric guide rod intermediary outside top pressure spring is set, press long electric guide rod and press short electric lower end of the guide rod short-circuit contact arm is set, short-circuit contact arm bottom arranges soft company and leads line stretcher, and soft company leads line stretcher lowermost end connection terminal is set.
The present invention presses long electric guide rod and presses short electric guide rod owing to having adopted in the indoor setting of tactile bolt, be characterized in: when bottom is inserted into the gauging table of plug-bolt with inserting after the eyelet of solid block of eyelet, press long electric guide rod owing to pressed by the top of the round short docking post in gauging table bottom can to realize sliding in advance to disconnect short-circuit contact arm downwards, pressing short electric guide rod also can realize time contact of other round short docking post of quick contact.
The present invention adapts to charged dismounting and installation in the time that power failure condition is restricted especially, and in the time that electric energy meter is changed or safeguarded under electriferous state, short-circuit contact arm can form rapidly time rear short circuit to Current Transformer Secondary side within the shortest time.
Use the present invention, gauging table does not need wiring, when dismounting, do not need to do time rear short circuit of Current Transformer Secondary side, not only at secondary wiring of current mutual inductor, disjunction is convenient and practical in can making again automatically rear shorted circuit automatically in the present invention, when removing short-circuit contact arm, also can be applied in more easily in the circuit of direct access more practical.
Appended drawings is the structure principle chart of measurement instrument without wiring Fast Installation new equipment, and below in conjunction with accompanying drawing, the present invention is further illustrated.
Embodiment accompanying drawing shows structure of the present invention, boxlike pedestal 1 upper end is provided with the solid block 2 of inserting eyelet, with solid block 2 top one sides of inserting eyelet, the first pocket watch eyelet 3 is set, opposite side arranges the second pocket watch eyelet 4, the second pocket watch eyelet 4 upper ends arrange theftproof device and buckle 5, arrange and touch bolt chamber 6 with solid block 2 bottoms of inserting eyelet, touch bolt chamber 6 interior settings and press long electric guide rod a, b, c and press short electric guide rod D, E, F, press long electric guide rod a, b, c and press short electric guide rod D, E, F intermediary outside arranges top pressure spring A1, A2, A3, A4, A5, A6, A7, press long electric guide rod a, b, c and press short electric guide rod D, E, F lower end arranges short-circuit contact arm J, K, L, short-circuit contact arm J, K, L bottom arranges soft company and leads line stretcher 7, soft company leads line stretcher 7 lowermost ends connection terminal 8 is set.
Installation process of the present invention is: first by top pressure spring A1, A2, A3, A4, A5, A6, A7 is inserted in and presses long electric guide rod a, b, c and press short electric guide rod D, E, F, and then will press long electric guide rod a, b, c and press short electric guide rod D, E, F is through the keyhole (not indicating) of the first solid bolt insulcrete 9, continue upward through again the keyhole (not indicating) of the second solid bolt insulcrete 10, continue again upwards to penetrate vertical keyhole (the not indicating) inner bottom part to solid block 2, and then continue upwards to penetrate, wait to press long electric guide rod a, b, c and press short electric guide rod D, E, pin-and-hole (not indicating) in the middle of F, to the vertical keyhole bottom of solid block 2, penetrates pin 11 again and presses long electric guide rod a, b, c and press short electric guide rod D, E, in pin-and-hole (not indicating) in the middle of F, softer company is led to line stretcher 7 one end connect jail and press long electric guide rod a, b, c and press short electric guide rod D, E, the line ball screw (not indicating) of F bottom is upper, and the other end connects jail and connection terminal 8, then can complete installation from connection terminal 8 use lead-in wires connect Current Transformer Secondary lateral coil termination (not indicating).
Use procedure of the present invention is: when use, the round crimp column (do not indicate) of customization can be fastened in advance in the wiring eyelet (not indicating) with electric energy meter, on the more round crimp column of electric energy meter bottom being aimed in the plane of the solid block 2 vertical eyelets 12 in upper end, then firmly press electric energy meter downwards, make the round crimp column of inlet wire (the not indicating) contact in advance of electric energy meter bottom press long electric guide rod a, b, c, continue to press again electric energy meter downwards, make to press long electric guide rod a, b, the contact x of c bottom, y, z departs from short-circuit contact arm J, K, L, continue to press again electric energy meter downwards, now, the all round crimp column (not indicating) of electric energy meter bottom closely contacts and presses long electric guide rod a, b, c and press short electric guide rod D, E, F, treat all round crimp column of electric energy meter bottom and press long electric guide rod a, b, c and press short electric guide rod D, E, after F has completely closely contacted, now, indentation locking hooks (not indicating) ad hoc and both sides, electric energy meter bottom get final product in automatic locking securely and the first pocket watch eyelet 3 and the second pocket watch eyelet 4 of boxlike pedestal 1 with solid block 2 top one sides of insertion eyelet, after the indentation locking hook locking and the first pocket watch eyelet 3 and the second pocket watch eyelet 4 inside of both sides, electric energy meter bottom, now, the theftproof device button (not indicating) of electric energy meter bottom one side i.e. correspondence buckles 5 at the second pocket watch eyelet 4 upper end theftproof devices, by anti-theft meter and mileometer adjustment, also can to use lockset (not indicating) that the theftproof device button of electric energy meter bottom one side and the second pocket watch eyelet 4 upper end theftproof devices are buckled to 5 liang of bodies locked.
Replacing of the present invention or demolishing process are: when changing or removing, first use two hands that the indentation locking hook of both sides, electric energy meter bottom (not indicating) is inwardly pressed and made it depart from the first pocket watch eyelet 3 and the second pocket watch eyelet 4 of boxlike pedestal 1 with solid block 2 top one sides of insertion eyelet, top pressure spring A1, A2, A3, A4, A5, A6, A7 presses long electric guide rod a owing to can upwards rebounding after not being stressed, b, c and press short electric guide rod D, E, F, now, press long electric guide rod a, b, c and press short electric guide rod D, E, F departs from the round crimp column (not indicating) of electric energy meter completely, upwards mention again electric energy meter and realize quick-replaceable or dismounting.
Claims (2)
1. measurement instrument is without wiring Fast Installation new equipment, there is boxlike pedestal (1) and tactile bolt chamber (5), it is characterized in that: described boxlike pedestal (1) upper end is provided with the solid block (2) of inserting eyelet, with solid block (2) top one side of inserting eyelet, the first pocket watch eyelet (3) is set, opposite side arranges the second pocket watch eyelet (4), the second pocket watch eyelet (4) upper end arranges theftproof device and buckles (5), arranges and touches bolt chamber (6) with solid block (2) bottom of inserting eyelet.
2. measurement instrument according to claim 1 is without wiring Fast Installation new equipment, it is characterized in that: in described tactile bolt chamber (6), arrange and press long electric guide rod (a), (b), and press short electric guide rod (D) (c), (E), (F), press long electric guide rod (a), (b), and press short electric guide rod (D) (c), (E), (F) intermediary outside arranges top pressure spring (A1), (A2), (A3), (A4), (A5), (A6), (A7), press long electric guide rod (a), (b), and press short electric guide rod (D) (c), (E), (F) lower end arranges short-circuit contact arm (J), (K), (L), short-circuit contact arm (J), (K), (L) bottom arranges soft company and leads line stretcher (7), soft company leads line stretcher (6) lowermost end connection terminal (8) is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245299.7A CN104062479A (en) | 2014-05-27 | 2014-05-27 | New wiring-free quick mounting device for meters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245299.7A CN104062479A (en) | 2014-05-27 | 2014-05-27 | New wiring-free quick mounting device for meters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104062479A true CN104062479A (en) | 2014-09-24 |
Family
ID=51550283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410245299.7A Pending CN104062479A (en) | 2014-05-27 | 2014-05-27 | New wiring-free quick mounting device for meters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104062479A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443110A (en) * | 2016-11-16 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Electrifying device for electricity control metering module |
| CN106597038A (en) * | 2017-01-10 | 2017-04-26 | 河南许继仪表有限公司 | Power control module powering-on device |
| CN114167107A (en) * | 2021-11-25 | 2022-03-11 | 广东易正电气股份有限公司 | Digital meter box structure |
-
2014
- 2014-05-27 CN CN201410245299.7A patent/CN104062479A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443110A (en) * | 2016-11-16 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Electrifying device for electricity control metering module |
| CN106443110B (en) * | 2016-11-16 | 2019-12-31 | 国网安徽省电力有限公司电力科学研究院 | Power-on device of electric energy control metering module |
| CN106597038A (en) * | 2017-01-10 | 2017-04-26 | 河南许继仪表有限公司 | Power control module powering-on device |
| CN106597038B (en) * | 2017-01-10 | 2020-03-06 | 河南许继仪表有限公司 | Power supply device of electric quantity control module |
| CN114167107A (en) * | 2021-11-25 | 2022-03-11 | 广东易正电气股份有限公司 | Digital meter box structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140924 |
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| WD01 | Invention patent application deemed withdrawn after publication |