CN106054111A - Portable load device - Google Patents
Portable load device Download PDFInfo
- Publication number
- CN106054111A CN106054111A CN201610546585.6A CN201610546585A CN106054111A CN 106054111 A CN106054111 A CN 106054111A CN 201610546585 A CN201610546585 A CN 201610546585A CN 106054111 A CN106054111 A CN 106054111A
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- CN
- China
- Prior art keywords
- wire
- load device
- power cell
- housing unit
- casing
- Prior art date
- 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.)
- Pending
Links
- 230000005855 radiation Effects 0.000 claims abstract 4
- 241000270728 Alligator Species 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000004308 accommodation Effects 0.000 abstract 3
- 230000005611 electricity Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 238000013475 authorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to the detection technology field of an electrical meter and particularly relates to a portable load device. The portable load device comprises a load, a lead accommodation unit, a power unit and a radiation unit, wherein the lead is used for connecting with the electrical meter, the lead accommodation unit is used for accommodating the lead, the power unit is connected with the lead and is used for providing a load with a preset resistance value, and the radiation unit is used for exhausting heat generated by the power unit after being electrified. The portable load device is suitable for providing a load current for onsite correction of the electrical meter, the lead is accommodated through the lead accommodation unit, the lead with reasonable length is provided for use, the portable load device is made to be in a small volume, carrying and storage are convenient, moreover, the radiation unit is further provided for exhausting heat generated by the power unit after being electrified, and thereby detection efficiency of the electrical meter is effectively improved.
Description
Technical field
The present invention relates to electric energy meter detection technique field, be specifically related to a kind of Portable load device.
Background technology
The electricity that electric energy meter is walked is the foundation of user's electricity payment, and whether properly functioning electric energy meter is is related to thousand thousand
Family, the advantage such as currently, electronic electric energy meter is low with its power attenuation, volume is little, lightweight, precision is high, anti-electricity-theft, load width is
Through refer to the most old-fashioned mechanical power energy meter.But the thing followed some illegal small enterprises the most now manufacture some and do not conform to
The electric energy meter of lattice, and these electric energy meter safety, poor stabilities, class of accuracy is low, in addition, however not excluded that the user having disobeys
About electricity consumption, exceedes the rated current electricity consumption of electric energy meter without authorization, or the electric energy meter that has is long neglected and in disrepair etc., and factor causes electric energy meter to measure
Inaccurate.
External load is needed during detection electric energy meter, the usually normal incandescent lamp bulb of load that current testing staff is used,
The household electrical appliance such as hair-dryer, the problems such as wiring is dangerous, inconvenient to carry and power is unstable that use household electrical appliance to exist, thus can
Reduce the efficiency of electric energy meter detection operation.
Summary of the invention
Therefore, the present invention is to solve the existing load for detecting electric energy meter can reduce electric energy meter detection operation
The defect of efficiency.
In view of this, the present invention provides a kind of Portable load device, and including a casing, wherein, described casing includes:
Wire, is used for connecting electric energy meter；
Wire housing unit, is used for receiving described wire；
Power cell, is connected with described wire, for providing the load of predetermined resistance value；
Heat-sink unit, the heat produced after discharging the energising of described power cell.
Above-mentioned load device, wherein, described heat-sink unit includes:
Air inlet, air outlet, radiator fan, described radiator fan is arranged in described casing, described air inlet, air outlet
It is separately positioned on two relative sidewalls of described casing, and the opening direction of described air inlet, the opening of described air outlet
Direction is consistent.
Above-mentioned load device, wherein, described air inlet is arranged on the upper wall of described casing, and described air outlet is arranged on institute
State the lower wall of casing, described wire housing unit, described radiator fan, described power cell be arranged at described air inlet and on
Stating between air outlet, wherein said wire housing unit is arranged on the downside of described air inlet, and described radiator fan is arranged on wire
On the downside of housing unit, described power cell is arranged on the downside of described radiator fan.
Above-mentioned load device, wherein, also includes lid, for hiding the sidewall at described air outlet place.
Above-mentioned load device, wherein, described wire housing unit includes:
Rotary shaft and energy-stored spring, wherein said rotary shaft is connected with described wire, and described energy-stored spring is used for driving institute
State rotary shaft to rotate, when described wire is stretched out by external force outside described casing, drive described rotary shaft in the first direction
Rotate, and make described energy-stored spring energy storage, when the release energy storage of described energy-stored spring, drive described rotary shaft to turn in a second direction
Dynamic, make described wire be wound around described rotary shaft；
Secure component, for locking described energy-stored spring by fixed bias circuit.
Above-mentioned load device, wherein, also includes female plug, is connected with described wire.
Above-mentioned load device, wherein, also includes extended line, and the male that is respectively arranged at two ends with of described extended line is inserted
Head, one of them male plug is used for connecting described female plug.
Above-mentioned load device, wherein, also includes alligator clamp, is connected with described female plug or described male plug.
Above-mentioned load device, wherein, described power cell includes:
Multiple resistance wires, the plurality of resistance wire resistance is identical, and in parallel and/or the mode of series connection connects, and institute
State multiple resistance wire evenly distributed.
Above-mentioned load device, wherein, described wire housing unit, described heat-sink unit and described power cell are big
The rectangular configuration that little, shape is the most identical, described wire housing unit, described heat-sink unit and described power cell are by being arranged on
The trip bolt in four corners of described rectangular configuration is fixed together.
Technical solution of the present invention, has the advantage that
1. the Portable load device that the present invention provides, it is adaptable to provide load current for Watt-hour meter's field test, pass through
Wire is stored by wire housing unit, and provides the wire of reasonable length in use, makes Portable load device reach
Small, it is convenient for carrying, easily stored purpose, is provided with heat-sink unit simultaneously, the heat produced after getting rid of power cell energising
Amount, is effectively improved the detection efficiency of electric energy meter.
2. the Portable load device that the present invention provides, is provided with wire housing unit, including rotation spring, spring twines
Being wound with wire, spring is in order to pilot length outside Portable load device, it is simple to detection electric energy, meanwhile, uses resistance
Silk is as power cell, wiring safety, and load current is big, effectively detects electric energy meter.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of Portable load device in the embodiment of the present invention 1；
Fig. 2 is the structural representation of heat-sink unit in the embodiment of the present invention 1；
Fig. 3 is the structural representation of wire housing unit in the embodiment of the present invention 1；
Fig. 4 is the structural representation of extended line in the embodiment of the present invention 1；
Fig. 5 is the structural representation of alligator clamp in the embodiment of the present invention 1；
Fig. 6 is the structural representation of power cell in the embodiment of the present invention 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, it is also possible to
It is the connection of two element internals, can be wireless connections, it is also possible to be wired connection.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood with concrete condition.
If additionally, the most non-structure of technical characteristic involved in invention described below difference embodiment
Become conflict just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of Portable load device, structure shown in Figure 1, including casing 1, includes leading in casing
Line 11, wire housing unit 12, power cell 13 and heat-sink unit 14, wherein, wire 11 is used for connecting electric energy meter；Wire is received
Unit 12 is used for receiving wire 11；Power cell 13 is connected with wire 11, for providing the load of predetermined resistance value；Heat-sink unit
14 heats produced after discharging power cell 13 energising.
The Portable load device that above-described embodiment is provided, it is adaptable to provide load current for Watt-hour meter's field test,
By wire housing unit, wire is stored, and the wire of reasonable length is provided in use, make Portable load device
Reach small, be convenient for carrying, easily stored purpose, be provided with heat-sink unit simultaneously, produce after getting rid of power cell energising
Heat, be effectively improved the detection efficiency of electric energy meter.
As a preferred embodiment, structure shown in Figure 2, heat-sink unit 14 includes air inlet 141, air outlet
142 and radiator fan 143, wherein, radiator fan is arranged in casing 1, and air inlet 141 and air outlet 142 are arranged on casing 1
On two relative sidewalls, the opening direction of air inlet 141 is consistent with the opening direction of air outlet 142.
On this basis, further, air inlet 141 is arranged on the upper wall of casing 1, and air outlet 142 is arranged on casing 1
Lower wall, wire housing unit 12, radiator fan 143, power cell 13 be arranged at air inlet 141 and above-mentioned air outlet 142 it
Between, wherein wire housing unit 12 is arranged on the downside of air inlet 141, and radiator fan 143 is arranged on the downside of wire housing unit 12,
Power cell 13 is arranged on the downside of radiator fan 143, and power cell 13 is arranged between air inlet 141 and air outlet 142, it is simple to
The heat produced after dispersing power cell 13 energising.
On this basis, further, Portable load device also includes a lid 15, is used for hiding air outlet 142
The sidewall at place, causes scalding with the sidewall preventing work people imprudence from touching air outlet place.
As a preferred embodiment, structure shown in Figure 3, wire housing unit 12 includes rotary shaft 121, energy storage
Spring 122 and secure component 123, wherein, rotary shaft 121 is connected with wire 11, and energy-stored spring 122 is used for driving rotary shaft 121
Rotate, when wire 11 is stretched out by external force outside casing 1, drive rotary shaft 121 to be rotated in a first direction, and make energy storage bullet
Spring 122 energy storage, when energy-stored spring 122 discharges energy storage, drives rotary shaft 121 to be rotated in a second direction, makes wire 11 be wound around and turn
Moving axis 121, secure component 123, for locking energy-stored spring 122 by fixed bias circuit 121, makes energy-stored spring 122 not can oneself
By being rotated in a second direction, wherein, first direction is contrary with second direction, when rotary shaft 121 is rotated in a first direction, and wire 11
Stretch out the partial variable-length outside casing 1, and when rotary shaft 121 is rotated in a second direction, wire 11 stretches out the part outside casing 1
Shorten, and the wire 11 being wrapped in rotary shaft 121 becomes many.
As a preferred embodiment, casing 1 also includes a female plug 16, and female plug 16 embeds and is arranged on case
On body 1, the part extended in casing 1 is connected with wire 11, and female plug 16 can depart from casing 1 under the effect of external force, this
Time, it is drawn out casing 11 together with the wire 11 being connected with female plug 16, to provide leading of the length meeting staff's needs
Line.
On this basis, further, Portable load device also includes an extended line 2, structure shown in Figure 4,
The two ends of extended line 2 are respectively arranged with a male plug, respectively male plug 21 and male plug 22 (male plug 21 He
Male plug 22 there is no substantial difference, and numbering difference, only to facilitate illustrate), male plug 21 and female plug 16
Connect.
On this basis, further, Portable load device also includes an alligator clamp 3, and concrete structure sees Fig. 5 institute
Showing structure, alligator clamp 3 is connected with male plug 21 or 22 or is connected with female plug 16, when being connected with male plug and 22 or 21
Time, the clip 31 of alligator clamp 3 is connected with electric energy meter, and other end 32 is connected with male plug 22；When alligator clamp 3 and female plug
16 when connecting, and the clip 31 of alligator clamp is connected with electric energy meter, and other end 33 is connected with female plug, wherein, and alligator clamp another
Outer one end 32 exists different with the structure of other end 33, and other end 32 is equivalent to female plug, and other end 33 is suitable
In male plug, alligator clamp is plug type alligator clamp, i.e. can be connected with electric energy meter with extended line, but alligator clamp itself with
Extended line and electric energy meter are not fixed, and are so designed that, when alligator clamp damages, can directly change a new alligator clamp, when working as
When front spring folder effectively can not be connected with electric energy meter, other attachment means that can complete effectively to connect can be replaced by.
As a preferred embodiment, power cell 13 includes multiple resistance wire, and the resistance of multiple resistance wires is identical, logical
Cross in parallel and/or series connection mode to connect, and multiple resistance wire is evenly distributed, shown in Figure 6, for the one preferably side of arrangement
Formula, including 8 resistance wires, wherein, 8 resistance wires are divided into identical two-layer, wherein one layer connected two-by-two by four resistance wires after
Composition in parallel again, the structure of other one layer of resistance wire is identical with last layer resistance wire, and the resistance wire that double-layer structure is identical continues also
Connection constitutes power cell 13, and in the present embodiment, the resistance of resistance wire is 968 Europe.
As one preferred embodiment, sized by wire housing unit 12, power cell 13 and heat-sink unit 14, shape
The rectangular configuration that shape is the most identical, wire housing unit 12, power cell 13 and heat-sink unit 14 are by being arranged on rectangular configuration
The trip bolt in four corners is fixed together.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (10)
1. a Portable load device, including a casing, it is characterised in that described casing includes:
Wire, is used for connecting electric energy meter；
Wire housing unit, is used for receiving described wire；
Power cell, is connected with described wire, for providing the load of predetermined resistance value；
Heat-sink unit, the heat produced after discharging the energising of described power cell.
Load device the most according to claim 1, it is characterised in that described heat-sink unit includes:
Air inlet, air outlet, radiator fan, described radiator fan is arranged in described casing, and described air inlet, air outlet are respectively
It is arranged on two relative sidewalls of described casing, and the opening direction of described air inlet, the opening direction of described air outlet
Unanimously.
Load device the most according to claim 2, it is characterised in that described air inlet is arranged on the upper wall of described casing,
Described air outlet is arranged on the lower wall of described casing, and described wire housing unit, described radiator fan, described power cell are all provided with
Putting between described air inlet and above-mentioned air outlet, wherein said wire housing unit is arranged on the downside of described air inlet, described
Radiator fan is arranged on the downside of wire housing unit, and described power cell is arranged on the downside of described radiator fan.
Load device the most according to claim 2, it is characterised in that also include lid, is used for hiding described air outlet institute
Sidewall.
5. according to the load device according to any one of claim 1-3, it is characterised in that described wire housing unit includes:
Rotary shaft and energy-stored spring, wherein said rotary shaft is connected with described wire, and described energy-stored spring is used for driving described turning
Moving axis rotates, and when described wire is stretched out outside described casing by external force, drives described rotary shaft to be rotated in a first direction,
And make described energy-stored spring energy storage, when the release energy storage of described energy-stored spring, drive described rotary shaft to be rotated in a second direction, make
Described wire is wound around described rotary shaft；
Secure component, for locking described energy-stored spring by fixed bias circuit.
6. according to the load device according to any one of claim 1-3, it is characterised in that also include female plug, with described
Wire connects.
Load device the most according to claim 6, it is characterised in that also include that extended line, the two ends of described extended line divide
Not being provided with a male plug, one of them male plug is used for connecting described female plug.
Load device the most according to claim 7, it is characterised in that also include alligator clamp, with described female plug or institute
State another one male plug to connect.
9. according to the load device according to any one of claim 1-3, it is characterised in that described power cell includes:
Multiple resistance wires, the plurality of resistance wire resistance is identical, and in parallel and/or the mode of series connection connects, and described many
Individual resistance wire is evenly distributed.
10. according to the load device according to any one of claim 1-3, it is characterised in that described wire housing unit, described
Heat-sink unit with sized by described power cell, rectangular configuration that shape is the most identical, described wire housing unit, described heat radiation list
First and described power cell is fixed together by being arranged on the trip bolt in four corners of described rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546585.6A CN106054111A (en) | 2016-07-12 | 2016-07-12 | Portable load device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546585.6A CN106054111A (en) | 2016-07-12 | 2016-07-12 | Portable load device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106054111A true CN106054111A (en) | 2016-10-26 |
Family
ID=57185301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610546585.6A Pending CN106054111A (en) | 2016-07-12 | 2016-07-12 | Portable load device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106054111A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416656Y (en) * | 2000-03-28 | 2001-01-24 | 光碁科技股份有限公司 | Power supply device capable of accepting loaded end wire |
| CN200979592Y (en) * | 2006-12-15 | 2007-11-21 | 娄瑞童 | An inspection apparatus for single-phase load of electric meter |
| CN201061037Y (en) * | 2007-05-16 | 2008-05-14 | 陈幸福 | Coil winder with connector |
| CN102110941A (en) * | 2009-12-28 | 2011-06-29 | 康佳集团股份有限公司 | Built-in automatic winding box of television |
| CN202083791U (en) * | 2011-06-03 | 2011-12-21 | 江西赣西供电公司 | Checking load of three-phase four-wire electric energy meter |
| CN202710729U (en) * | 2012-08-09 | 2013-01-30 | 西安康倍机电科技有限公司 | High-power three-phase AC inductive load box and control circuit thereof |
| CN203588779U (en) * | 2013-12-07 | 2014-05-07 | 国家电网公司 | Portable resistance box |
| CN205982608U (en) * | 2016-07-12 | 2017-02-22 | 国网山东省电力公司青岛供电公司 | Portable load device |
-
2016
- 2016-07-12 CN CN201610546585.6A patent/CN106054111A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2416656Y (en) * | 2000-03-28 | 2001-01-24 | 光碁科技股份有限公司 | Power supply device capable of accepting loaded end wire |
| CN200979592Y (en) * | 2006-12-15 | 2007-11-21 | 娄瑞童 | An inspection apparatus for single-phase load of electric meter |
| CN201061037Y (en) * | 2007-05-16 | 2008-05-14 | 陈幸福 | Coil winder with connector |
| CN102110941A (en) * | 2009-12-28 | 2011-06-29 | 康佳集团股份有限公司 | Built-in automatic winding box of television |
| CN202083791U (en) * | 2011-06-03 | 2011-12-21 | 江西赣西供电公司 | Checking load of three-phase four-wire electric energy meter |
| CN202710729U (en) * | 2012-08-09 | 2013-01-30 | 西安康倍机电科技有限公司 | High-power three-phase AC inductive load box and control circuit thereof |
| CN203588779U (en) * | 2013-12-07 | 2014-05-07 | 国家电网公司 | Portable resistance box |
| CN205982608U (en) * | 2016-07-12 | 2017-02-22 | 国网山东省电力公司青岛供电公司 | Portable load device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: Shinan District 266003 Shandong city of Qingdao province Liujiaxia Road No. 17 Applicant after: QINGDAO POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY Applicant after: STATE GRID CORPORATION OF CHINA Address before: Shinan District 266003 Shandong city of Qingdao province Liujiaxia Road No. 17 Applicant before: QINGDAO POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER COMPANY Applicant before: State Grid Corporation of China |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |