CN203479858U - Site automatic junction device for single phase watt hour meter box - Google Patents
Site automatic junction device for single phase watt hour meter box Download PDFInfo
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- CN203479858U CN203479858U CN201320525464.5U CN201320525464U CN203479858U CN 203479858 U CN203479858 U CN 203479858U CN 201320525464 U CN201320525464 U CN 201320525464U CN 203479858 U CN203479858 U CN 203479858U
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- energy meter
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Abstract
The utility model relates to a site automatic junction device for a single phase watt hour meter box. The site automatic junction device includes a watt hour meter, wherein an uninterrupted power crimping seat assembly is arranged at a lower part of a front surface of a base seat of a crimping seat; a vertical locking block is arranged at an upper part on the front surface of the base seat of the crimping seat; a conducting port at a lower end surface of the watt hour meter is inserted and matched with a current terminal crimping rod and an auxiliary terminal crimping rod in the uninterrupted power crimping seat assembly; and the upper part of the watt hour meter is inserted and matched with the vertical locking block. The site automatic junction device is advantageous in that: firstly, the watt hour meter can be directly and rapidly replaced without interrupting power provided to users during the replacement under the premise that no change is made for single phase watt hour meters in the prior art which meet the state power grid standard and the southern power grid standard; and secondly, a subuliform external diameter is added to a front end of a head part of a current crimping rod, to keep a small head smaller than an aperture of a terminal and a big head bigger than the aperture of the terminal, so that a diameter of a conical surface at a front end of the crimping rod matches with an actual aperture of the terminal.
Description
Technical field
The utility model relates to a kind ofly can change old electric energy meter quickly and easily, can when changing old electric energy meter, guarantee that user connects again correct and reliable and stable, and with the on-the-spot automatic connection device of single-phase electric energy meter table case of power down function not, belong to electric energy meter and manufacture field.
Background technology
China single-phase electric energy meter user is on-the-spot to install: mostly in special table case, carry out at present, the on-the-spot installation personnel of power office, first need to open the end cap that seal is opened terminal box, there is the wire of heart yearn overcoat to insert in the connection terminal hole of electric energy meter in cover, tighten again eight line pressing bolt, make wire and terminal hole inwall close contact, then terminal cap is covered and seal, wiring has accused.If user will change or keep in repair ammeter, must first cut off the electricity supply, remove end cap seal, exit seal screw, open end cap, move back eight line pressing bolt of pine, take off old table, then reinstall new table.
Develop rapidly along with China's economic construction, the continuous increase of residential electricity consumption demand, the replacement cycle of electronic electric energy meter constantly shortens, generally at 6-8, just need more renew table, (the mechanical power energy meter replacement cycle is in the past about about 20 years, because manufacture difficulty is large, table meter precision is wayward, expend metals resources serious, there is a serious shortage in the supply for available information resources, so eliminated gradually), make to install, the workload that more renews table significantly increases, especially when tightening eight line pressing bolt, if tighten not or forgotten, tighten, the serious consequence that causes burning table because of loose contact is caused in capital.
Utility model content
Purpose of design: avoid the weak point in background technology, designing a kind of needn't power-off be the single-phase meter table case direct press type compression bonding apparatus of replaceable new table.
Design proposal: in order to realize above-mentioned purpose of design.It needn't power-off be the single-phase meter table case automatic connection device of replaceable new table that the application has researched and developed a kind of, this device is not change completely under the electric energy meter profile of current production and the prerequisite of structure, by flexible crimping rod with the terminal hole of electric energy meter to having fetched the conducting of electric current.While changing electric energy meter, as long as first broken special seal, exit seal screw, longitudinally lock dog is automatic spring, electric energy meter is longitudinally pulled out, can take off smoothly replaced old table, and use the electricity consumption of indoor portion as usual, then by newly showing, be placed in the gathering sill of crimping base, the bottom surface of table machine is close to crimping base, now table machine is the 2 degree left and right states that lean forward, pushing downwards puts in place, electric energy meter complete docking and by state self-locking, indoor Electro-metering proceeds to electric energy meter system immediately, then longitudinal lock dog is pressed down and tightened seal screw and carry out again seal, more renewing table has accused.
1, electric energy meter case is vertically mounted on wall, open after transparent table case lid, electric energy meter can be placed in the spacing orienting lug in the left and right of crimping base, because the length of 485 communication crimping rods is longer, so when electric energy meter is put into left and right orienting lug, table machine should suitably lean forward and can enter smoothly the initial position of crimping about approximately 2 degree.Then table machine is pushed and puts in place and obtain self-locking downwards and forward.Then longitudinal lock dog is pressed downwardly onto the end of to, its seal screw is just in time aimed at the screw on crimping base, tightens seal screw and is pressed into special seal again, accuses crimping and completes.When the new table of displacement, first broken special seal, exit seal screw, longitudinally lock dog is automatic spring, electric energy meter upper end can be indulged and is pulled outwardly, just can take off smoothly old table, now the copper bar auto-closing of continuous electric connection block and crimping rod, not only can chargedly change table and not produce sparking, also can make user power utilization unaffected.When new table is loaded on, this continuous electric connection block is automatically separated with crimping handful copper bar in crimping process, and user's power consumption proceeds in the metering system of electric energy meter, and this electricity consumption to user brings great convenience.This uninterruptible power supply (UPS) device, still can continue electricity consumption because taking off electric energy meter Hou， resident family inside, and power consumption is now born by power department, whether adapts to now the national conditions consideration of still needing, if do not think to do like this, as long as watchman's clapper is except continuous electric connection block.
2, crimping position is chosen in the aperture of current wiring terminal, the diameter of crimp head is 8.5 millimeters, each crimp head upwards pressure and is about 5 kilograms of left and right, the diameter of terminal hole is 7.5 millimeters, and (state's network planning is fixed: the large ampere in single-phase electric energy meter connection terminal aperture is 8.5, middle ampere is 7.5), according to the current user's of China maximum power consumption, more than 90% mostly below 60 amperes, be that terminal hole internal diameter is that 7.5 middle ampere usable range is the widest, the author is through thousands of inferior repetition tests, after crimping, pass through the electric current of 60 amperes, near temperature rise its contact point is (difference about about 3-5 degree centigrade is compared in this temperature rise amplitude and by hand stubborn screw wiring) about 45 left and right, under normal circumstances: total should be safe as long as use near the temperature of fully loaded its contact point of 60 ampere-hours to be no more than 95 degree left and right.
3, the important key point of the application's device is: the structure on crimping rod top, and it is very important that its shape and size just seem, we have designed two kinds of maximum current specifications is 60A, the crimping top bar structure of 100 A: (1) electric current crimping club head front end is added a taper external diameter, microcephaly must be less than the aperture of connection terminal, major part must be larger than the aperture of connection terminal, to guarantee that a certain diameter of crimping nose circular conical surface and the effective aperture of connection terminal match, the length of concordant profile is the girth of its diameter, because crimping rod bottom is provided with upwards thrust, it is the thrust spring of 5 ㎏ left and right, make the medial surface in terminal aperture obtain sizable normal pressure from the osculatory on crimping rod inclined-plane, the gradient that head inclined-plane is held in both hands in crimping is less, the wall pressure that connection terminal aperture inwall obtains is just larger (in order to guarantee easy accessibility, with the requirement that adapts to terminal varying aperture, head gradient should not be too little), thereby guaranteed the maximization of conductive capability, as Fig. 1.(2) electric current crimping club head front end is added a diameter and be applicable to connection terminal endoporus, the circular conical surface that length is suitable, top diameter must be less than connection terminal aperture, major part must be larger than the aperture of connection terminal, head reprocessing one suitable endoporus, then crimping is held in both hands to head shaft to being divided into 4-8 decile, in hole, be provided with a radial spring, make each wait split to produce micro-radial elastic, under the effect of crimping rod bottom thrust spring, make the medial surface in terminal aperture obtain sizable normal pressure from the osculatory on crimping rod inclined-plane, the gradient that head inclined-plane is held in both hands in crimping is less, the wall pressure that connection terminal aperture inwall obtains is just larger, its conductive capability is also larger.The object that electric current crimping club head is divided into 4-8 decile, can eliminate some defect in connection terminal aperture and establish, as Fig. 2-1 and 2-2.(3) each epi-position is with the management and control interface of 485 communication interfaces and the power-off of operating a switch, and the electric energy meter of installing at present, has without these interfaces, but also there is small part area to use, whether automatic connection device configures completely, specifically adopt, and device is not needed to do any change.Along with electric energy meter is intelligentized, deepen constantly, the demand of power office's his-and-hers watches meter management and control information improves constantly, and it is comprehensive and perfect that his-and-hers watches case automatic connection device designs, and embodied the perspective of it.(4) for safety, the plastic parts of table case compression bonding apparatus, all adopt PC to add the high-strength anti-flaming material of 10% glass, crimping seat assembly directly contacts with heat generating member, all adopt PBT to add the heat proof material of 30% glass, its thermal deformation resistant temperature can reach 150-200 degree left and right, guarantees the security that it uses at normal temperatures.(5) when electric energy meter is installed at scene, owing to having saved 8,4 current terminal holes line pressing bolt and 2 485 communication screws and 2 or 1 terminal screw of operating a switch, unscrew the troublesome operation of tightening, the on-the-spot automatic connection device of this table case, the speed that its wiring is installed improves greatly, than its efficiency of manual wiring, improves at least more than 20 times.(6) the on-the-spot electric energy meter of installing is manual wiring at present, the degree of tightening of line pressing bolt or no forget tighten; Electric current hunting and 485 communication interface polarity are the no wrongs of meeting; All can there are differences with the difference of installation personnel, its installation quality is difficult to obtain unification, standard, accurately.And automatic connection device, if be not in place, cannot self-locking, so its installation quality is can be guaranteed, got rid of the hidden danger of human factor and relatively stable reliable.
Technical scheme: the on-the-spot automatic connection device of a kind of single-phase electric energy meter table case, comprise electric energy meter, crimping seat base front surface bottom is provided with crimping seat assembly, crimping seat base front surface top is provided with longitudinal lock dog, electric energy meter lower surface conductive interface is pegged graft and is coordinated with current terminal crimping rod, auxiliary terminal crimping rod in crimping seat assembly, pegs graft and coordinate with longitudinal lock dog in electric energy meter top.
The utility model is compared with background technology, and the one, the single-phase electric energy meter of and southern network mark standard accurate for the state network mark of current production, under the prerequisite not making any changes, just can directly realize in the quick-replaceable of electric energy meter and Renewal process and make user constantly electric; The 2nd, electric current crimping club head front end is added a taper external diameter, microcephaly must be less than the aperture of connection terminal, major part must be larger than the aperture of connection terminal, guaranteed that a certain diameter of crimping nose circular conical surface and the effective aperture of connection terminal match, and electric current crimping club head is divided into the object of 4-8 decile, can eliminate some defect in connection terminal aperture; The 3rd, guaranteed the quick of wiring work, correct and reliable.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram after the crimping of the on-the-spot automatic connection device of single-phase electric energy meter table case.
Fig. 2 is the structural representation after Fig. 3 crimping.
Fig. 3 is the structural representation of longitudinal lock dog.
Fig. 4 is the structural representation of current terminal crimping rod the first embodiment.
Fig. 5-1st, the structural representation of current terminal crimping rod the second embodiment.
Fig. 5-2nd, Fig. 5-1 plan structure schematic diagram.
Embodiment
Embodiment 1: with reference to accompanying drawing 1 to 5-2.The on-the-spot automatic connection device of a kind of single-phase electric energy meter table case, comprise electric energy meter 7, the positive basifacial of crimping seat base 1 is provided with continuous voltage joint chair assembly 14, crimping seat base 1 front upper is provided with longitudinal lock dog 4, electric energy meter 7 lower surface conductive interfaces are pegged graft and are coordinated with current terminal crimping rod 11, auxiliary terminal crimping rod 10 in continuous voltage joint chair assembly 14, and auxiliary terminal crimping rod 10 lower ends are connected with auxiliary terminal wire 15.Peg graft and coordinate with longitudinal lock dog 4 in electric energy meter 7 tops, longitudinally between lock dog 4 and crimping seat base 1, by seal screw 2, be connected, crimping seat base 1 is provided with continuous voltage joint chair assembly 14, electric energy meter 7 bottom conductive interfaces are pegged graft and are coordinated with continuous voltage joint chair assembly 14, and electric energy meter 7 tops are hung and climbed 6 and coordinate with longitudinal lock dog 4 grafting by electric energy meter.Electric energy meter is hung and to be climbed 6 backs that are fixed on electric energy meter 7 tops.Longitudinally lock dog 4 front upper portion are ganged up and are formed by seal screw hole 402 and power department seal hole 401, and longitudinally the anterior bottom of lock dog 4 is groove 406 and pegs graft and coordinate with crimping seat base 1 base plate; Longitudinally lock dog 4 bottoms, back have telescopic spring hole 404, lock dog is housed in telescopic spring hole 404 and exits spring 5.Current terminal crimping rod 11 lower ends that are arranged in continuous voltage joint chair assembly 14 guide channels are fixedly connected with wire connecting copper block 12 through wire connecting copper block 12, wire connecting copper block 12 is connected with table case wire 8 one end, the part double-screw bolt upper and lower end that current terminal spring 13 upper ends are enclosed within current terminal crimping rod 11 lower ends is enclosed within on the boss of continuous voltage joint chair assembly 14 shell bottoms, constantly be electrically connected to copper billet 9 and be fixed on crimping seat assembly 14, and be constantly electrically connected to copper billet 9 lower surfaces and wire connecting copper block 12 mutually tactile or from.Table case wire casing 17 is positioned at continuous voltage joint chair assembly 14 belows and table case wire casing 17 is provided with wire casing division board 16.
This uninterruptible power supply (UPS) device, still can continue electricity consumption because taking off electric energy meter Hou， resident family inside, and power consumption is now born by power department, whether adapts to now the national conditions consideration of still needing, if do not think to do like this, as long as remove continuous electric connection block.
Crimping position is chosen in the aperture of current wiring terminal, each crimp head upwards pressure and is about 5 kilograms of left and right, the diameter of terminal hole is 7.5 millimeters, and (state's network planning is fixed: the large ampere in single-phase electric energy meter connection terminal aperture is 8.5, middle ampere is 7.5), according to the current user's of China maximum power consumption, more than 90% mostly below 60 amperes, the author is through the inferior repetition test of hundreds of, after crimping, pass through the electric current of 60 amperes, near temperature rise its contact point is (this temperature rise amplitude and by hand stubborn screw wiring approximately have the difference of about 3-5 degree centigrade) about 45 left and right, under normal circumstances: total while using fully loaded 60 Ampere currents near the temperature its contact point as long as to be no more than 95 degree left and right should be safe.
For safety, the plastic parts of table case compression bonding apparatus, all adopt PC to add the high-strength anti-flaming material of 10% glass, crimping seat assembly is because directly contacting with heat generating member, all adopt PBT to add the heat proof material of 20% glass, its thermal deformation resistant temperature can reach 150-200 degree degree left and right, guarantees the security that it uses at normal temperatures.The compression bonding method of the on-the-spot automatic connection device of its single-phase electric energy meter table case: when the new table of displacement, first the special seal in broken longitudinally lock dog 4 in power department seal hole 401, then in seal screw hole 402, exit seal screw 2, it is automatic spring that longitudinal lock dog 4 exits under spring 5 effects at lock dog, now electric energy meter 7 upper ends are indulged and are pulled outwardly, make electric energy meter 7 bottom conductive interfaces separated with continuous voltage joint chair assembly 14 current terminal crimping rods 11, take off in the process of old table, constantly be electrically connected to copper billet 9 wire connecting copper block 12 auto-closings affixed with current terminal crimping rod 11 under the effect of current terminal spring 13, not only can chargedly change table and not produce sparking, also can make user power utilization unaffected, when new table is loaded on, it is automatically separated with wire connecting copper block 12 in crimping process that this is constantly electrically connected to copper billet 9, and user's power consumption proceeds in the metering system of electric energy meter, and this electricity consumption to user brings great convenience.
During on-the-spot installation electric energy meter, owing to having saved 8,4 current terminal holes line pressing bolt and 2 485 communication screw and 2 or 1 terminal screw of operating a switch, unscrew the troublesome operation of tightening, the on-the-spot automatic connection device of this table case, the speed that its wiring is installed improves greatly, than its efficiency of manual wiring, improves at least more than 30 times.
The on-the-spot electric energy meter of installing is manual wiring at present, the degree of tightening of line pressing bolt or no forget tighten; The correct docking of 485 order wires, all can there are differences with the difference of installation personnel, and its installation quality is difficult to obtain unified, accurately.And automatic connection device, if be not in place, cannot self-locking, so its installation quality has been got rid of human factor and relatively stable reliable.
With reference to accompanying drawing 4.The special-purpose electric current terminal compression joint rod of the on-the-spot automatic connection device of a kind of single-phase electric energy meter table case, the crimping top club head of current terminal crimping rod 11 and the contact portion of connection terminal endoporus are circular cone inclined-plane 111.The contact point on club head inclined-plane, crimping top refers in the intersection point of connection terminal wire inlet/outlet hole and aperture 120 degree fillet surfaces side contacts, guarantees the maximization of conductive capability.As Fig. 1.
Embodiment 2: on the basis of embodiment 1, with reference to accompanying drawing 5-1 and 5-2.The special-purpose electric current terminal compression joint rod of the on-the-spot automatic connection device of a kind of single-phase electric energy meter table case, crimping top club head is slotted and is divided into 4-8 decile, and crimping rod lining spring 112 is housed in head bore.
It is to be understood that: although above-described embodiment is to the mentality of designing of the present utility model detailed text description of contrasting; but these text descriptions; just the simple text of the utility model mentality of designing is described; rather than the restriction to the utility model mentality of designing; any combination, increase or modification that does not exceed the utility model mentality of designing, all falls in protection domain of the present utility model.
Claims (4)
1. the on-the-spot automatic connection device of a single-phase electric energy meter table case, comprise electric energy meter (7), it is characterized in that: the positive basifacial of crimping seat base (1) is provided with crimping seat assembly (14), crimping seat base (1) front upper is provided with longitudinal lock dog (4), electric energy meter (7) lower surface conductive interface is pegged graft and is coordinated with current terminal crimping rod (11), auxiliary terminal crimping rod (10) in crimping seat assembly (14), pegs graft and coordinate with longitudinal lock dog (4) in electric energy meter (7) top.
2. the on-the-spot automatic connection device of single-phase electric energy meter table case according to claim 1, it is characterized in that: described electric energy meter (7) refers to the single-phase electric energy meter of state's network mark standard or southern network mark standard, do not making any changes, only remove four line pressing bolt of arranging under connection terminal, can be directly installed on automatic connection device.
3. the on-the-spot automatic connection device of single-phase electric energy meter table case according to claim 1, it is characterized in that: longitudinally between lock dog (4) and crimping seat base (1), by seal screw (2), be connected, electric energy meter (7) top hangs by electric energy meter to be climbed (6) and coordinate with longitudinal lock dog (4) grafting.
4. the on-the-spot automatic connection device of single-phase electric energy meter table case according to claim 3, is characterized in that: electric energy meter is hung and climbed the back that (6) are fixed on electric energy meter (7) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320525464.5U CN203479858U (en) | 2013-04-01 | 2013-08-27 | Site automatic junction device for single phase watt hour meter box |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320155075.8 | 2013-04-01 | ||
| CN201320155075 | 2013-04-01 | ||
| CN201320525464.5U CN203479858U (en) | 2013-04-01 | 2013-08-27 | Site automatic junction device for single phase watt hour meter box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203479858U true CN203479858U (en) | 2014-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320525464.5U Expired - Lifetime CN203479858U (en) | 2013-04-01 | 2013-08-27 | Site automatic junction device for single phase watt hour meter box |
Country Status (1)
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| CN (1) | CN203479858U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616539A (en) * | 2013-04-01 | 2014-03-05 | 杭州驰骋凯晟科技有限公司 | On-site automatic wiring apparatus and on-site crimping method for single-phase electric energy meter case |
| CN106018902A (en) * | 2016-05-16 | 2016-10-12 | 怀化建南机器厂有限公司 | Intelligent meter with quick-replaceable and high-insulation wiring device |
| CN110277693A (en) * | 2019-06-28 | 2019-09-24 | 沈惠萍 | The intelligent electric energy meter socket of structure is accidentally pulled out with anti-intelligent electric energy meter and short-circuit device |
| CN110289522A (en) * | 2019-06-28 | 2019-09-27 | 沈惠萍 | It is accidentally pulled out with anti-intelligent electric energy meter and short-circuit device and the connector of protection against electric shock structure |
-
2013
- 2013-08-27 CN CN201320525464.5U patent/CN203479858U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103616539A (en) * | 2013-04-01 | 2014-03-05 | 杭州驰骋凯晟科技有限公司 | On-site automatic wiring apparatus and on-site crimping method for single-phase electric energy meter case |
| CN103616539B (en) * | 2013-04-01 | 2016-12-28 | 华立科技股份有限公司 | Single-phase electric energy meter case scene automatic connection device and compression bonding method |
| CN106018902A (en) * | 2016-05-16 | 2016-10-12 | 怀化建南机器厂有限公司 | Intelligent meter with quick-replaceable and high-insulation wiring device |
| CN106018902B (en) * | 2016-05-16 | 2017-05-10 | 怀化建南机器厂有限公司 | Intelligent meter with quick-replaceable and high-insulation wiring device |
| CN110277693A (en) * | 2019-06-28 | 2019-09-24 | 沈惠萍 | The intelligent electric energy meter socket of structure is accidentally pulled out with anti-intelligent electric energy meter and short-circuit device |
| CN110289522A (en) * | 2019-06-28 | 2019-09-27 | 沈惠萍 | It is accidentally pulled out with anti-intelligent electric energy meter and short-circuit device and the connector of protection against electric shock structure |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160725 Address after: HOLLEY Technology Park No. 181 310012 Hangzhou city Zhejiang District of Yuhang province Wuchang Avenue Patentee after: Holley Technology Ltd. Address before: 311121, No. 47, Shiqiao head, Hongdong village, Yuhang street, Yuhang District, Zhejiang, Hangzhou Patentee before: HANGZHOU CHICHENG KAISHENG TECHNOLOGY Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140312 |