CN205982608U - Portable load device - Google Patents
Portable load device Download PDFInfo
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- CN205982608U CN205982608U CN201620731730.3U CN201620731730U CN205982608U CN 205982608 U CN205982608 U CN 205982608U CN 201620731730 U CN201620731730 U CN 201620731730U CN 205982608 U CN205982608 U CN 205982608U
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- Prior art keywords
- wire
- load device
- power cell
- housing unit
- casing
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- 241000270728 Alligator Species 0.000 claims description 15
- 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 7
- 230000017525 heat dissipation Effects 0.000 abstract 3
- 238000000151 deposition Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000007717 exclusion Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Abstract
The utility model relates to an electric energy meter detects technical field, concretely relates to portable load device, including the wire, wire storage unit, power unit and heat dissipation unit, wherein the wire is used for connecting the electric energy meter, extension storage unit is used for accomodating the wire, power unit is connected with the wire, a load for providing predetermine the resistance value, heat dissipation unit is used for getting rid of the heat that power unit circular telegram back produced, this technical scheme, it provides load current for the on -the -spot check -up of electric energy meter to be applicable to, storage unit accomodates the wire through the wire, and provide the wire of reasonable length when using, make portable load device reach smallly, is convenient to carry, the mesh of easily depositing, be provided with heat dissipation unit simultaneously, get rid of the heat that power unit circular telegram back produced, effectively improve the detection efficiency of electric energy meter.
Description
Technical field
This utility model is related to electric energy meter detection technique field and in particular 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 the normal operation of electric energy meter is related to thousand thousand
Family, currently, electronic electric energy meter is so that its power attenuation is low, small volume, lightweight, high precision, anti-electricity-theft, load width the advantages of
Through refer to originally old-fashioned mechanical power energy meter.But the thing followed some illegal small enterprises exactly present manufacture some and do not conform to
The electric energy meter of lattice, and these electric energy meter safeties, stability are poor, class of accuracy is low, in addition however not excluded that some users disobey
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 leads to electric energy meter to measure
Inaccurate.
External load is needed during detection electric energy meter, the usually normal incandescent lamp bulb of the load that current testing staff is used,
Using household electrical appliance, the household electrical appliance such as hair-dryer, have such problems as that wiring is dangerous, inconvenient to carry and power is unstable, thus can
Reduce the efficiency of electric energy meter detection operation.
Utility model content
Therefore, to be solved in the utility model is that the existing load for detecting electric energy meter can reduce electric energy meter detection behaviour
The defect of the efficiency made.
In view of this, this utility model provides a kind of Portable load device, including a casing, wherein, described casing bag
Include：
Wire, for connecting electric energy meter；
Wire housing unit, for receiving described wire；
Power cell, is connected with described wire, for providing the load of predetermined resistance value；
Heat-sink unit, for discharging the heat producing after described power cell energising.
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 side walls of described casing, and the opening of the opening direction of described air inlet, 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
State 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 covering the side wall that described air outlet is located.
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 rotate, when described wire pass through external force to described casing outside stretch out when, 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, is also included female plug, is connected with described wire.
Above-mentioned load device, wherein, also includes extended line, the male that is respectively arranged at two ends with of described extended line is inserted
Head, one of 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 wires evenly distributed.
Above-mentioned load device, wherein, described wire housing unit, described heat-sink unit and described power cell are big
The little, rectangular configuration of shape all same, described wire housing unit, described heat-sink unit and described power cell pass through to be arranged on
The trip bolt in four corners of described rectangular configuration is fixed together.
Technical solutions of the utility model, have the advantage that：
1. this utility model provide Portable load device it is adaptable to for Watt-hour meter's field test provide load current,
By wire housing unit, wire is stored, and provide the wire of reasonable length when using, make Portable load device
Reach small, be convenient for carrying, easily stored purpose, be provided with heat-sink unit simultaneously, produce after exclusion power cell energising
Heat, effectively improve the detection efficiency of electric energy meter.
2. the Portable load device that this utility model provides, is provided with wire housing unit, including rotation spring, spring
On be wound with wire, spring length outside Portable load device in order to pilot, be easy to detect electric energy, meanwhile, adopt
, as power cell, wiring safety, load current is big, and electric energy meter is effectively detected for resistance wire.
Brief description
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art, below will be right
In specific embodiment or description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, below describe
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of Portable load device in this utility model embodiment 1；
Fig. 2 is the structural representation of heat-sink unit in this utility model embodiment 1；
Fig. 3 is the structural representation of wire housing unit in this utility model embodiment 1；
Fig. 4 is the structural representation of extended line in this utility model embodiment 1；
Fig. 5 is the structural representation of alligator clamp in this utility model embodiment 1；
Fig. 6 is the structural representation of power cell in this utility model embodiment 1.
Specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described it is clear that described
Embodiment is a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under the premise of not making creative work, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly
Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary,
Can also be the connection of two element internals, can be wireless connection or wired connection.Common skill for this area
For art personnel, concrete meaning in this utility model for the above-mentioned term can be understood with concrete condition.
As long as additionally, involved technical characteristic in this utility model different embodiments disclosed below is each other
The conflict of not constituting just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of Portable load device, structure shown in Figure 1, leads including inclusion in casing 1, 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 are used for discharging the heat producing after power cell 13 is energized.
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 provide the wire of reasonable length when using, make Portable load device
Reach small, be convenient for carrying, easily stored purpose, be provided with heat-sink unit simultaneously, produce after exclusion power cell energising
Heat, effectively improve 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 side walls, 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, is easy to
The heat producing after dispersing power cell 13 energising.
On this basis, further, Portable load device also includes a lid 15, for covering air outlet 142
The side wall being located, to prevent the side wall that work people's imprudence touches air outlet place from leading to scald.
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 pass through external force to casing 1 outside stretch out when, 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 release energy storage, drives rotary shaft 121 to be rotated in a second direction, so that wire 11 is wound around and turn
Moving axis 121, secure component 123 is used for locking energy-stored spring 122 by fixed bias circuit 121, makes energy-stored spring 122 be unable to 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, 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 extending in casing 1 is connected with wire 11, and female plug 16 can depart from casing 1 in the presence of external force, this
When, 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 has no substantial difference, and numbering is different, only to facilitate illustrating), male plug 21 and female plug 16
Connect.
On this basis, further, Portable load device also includes an alligator clamp 3, and concrete structure is referring to Fig. 5 institute
Show structure, alligator clamp 3 is connected with male plug 21 or 22 or is connected with female plug 16, when being connected with 22 or 21 with male plug
When, 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 connect when, the clip 31 of alligator clamp is connected with electric energy meter, and other end 33 is connected with female plug, wherein, alligator clamp another
Outer one end 32 is different with the presence of 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, you can be connected with electric energy meter with extended line, but alligator clamp itself with
Extended line and electric energy meter are not all fixed, and are so designed that, when alligator clamp damages, can directly change a new alligator clamp, when work as
Front alligator clamp can not with electric energy meter effectively connection when, other attachment means that can complete effectively connection can be replaced by.
As a preferred embodiment, power cell 13 includes multiple resistance wires, and the resistance of multiple resistance wires is identical, leads to
Cross in parallel and/or series connection mode to connect, and multiple resistance wire is evenly distributed, shown in Figure 6, for a kind of preferably arrangement side
Formula, including 8 resistance wires, wherein, 8 resistance wires are divided into identical two-layer, after wherein one layer is connected two-by-two by four resistance wires
Composition in parallel again, in addition the structure of one layer of resistance wire is identical with last layer resistance wire, and double-layer structure identical resistance wire continues simultaneously
Connection constitutes power cell 13, and in the present embodiment, the resistance of resistance wire is 968 Europe.
As one kind preferred embodiment, wire housing unit 12, power cell 13 and heat-sink unit 14 are size, shape
The rectangular configuration of shape all same, 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 intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among the protection domain created still in this utility model.
Claims (10)
1. a kind of Portable load device, including a casing it is characterised in that described casing includes：
Wire, for connecting electric energy meter；
Wire housing unit, for receiving described wire；
Power cell, is connected with described wire, for providing the load of predetermined resistance value；
Heat-sink unit, for discharging the heat producing after described power cell energising.
2. load device according to claim 1 is 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 side walls of described casing, and the opening direction of the opening direction of described air inlet, described air outlet
Unanimously.
3. load device according to claim 2 is 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
Put 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.
4. load device according to claim 2 is it is characterised in that also include lid, for covering described air outlet institute
Side wall.
5. the load device according to any one of claim 1-3 is 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 rotate, when described wire pass through external force to described casing outside stretch out when, drive described rotary shaft 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. the load device according to any one of claim 1-3 is it is characterised in that also include female plug, and described
Wire connects.
7. load device according to claim 6 it is characterised in that also including extended line, divide by the two ends of described extended line
It is not provided with a male plug, one of male plug is used for connecting described female plug.
8. load device according to claim 7 is it is characterised in that also include alligator clamp, with described female plug or institute
State another one male plug to connect.
9. the load device according to any one of claim 1-3 is 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. the load device according to any one of claim 1-3 is it is characterised in that described wire housing unit, described
Heat-sink unit and described power cell are size, the rectangular configuration of shape all same, described wire housing unit, described radiating 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 |
|---|---|---|---|
| CN201620731730.3U CN205982608U (en) | 2016-07-12 | 2016-07-12 | Portable load device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620731730.3U CN205982608U (en) | 2016-07-12 | 2016-07-12 | Portable load device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982608U true CN205982608U (en) | 2017-02-22 |
Family
ID=58023920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620731730.3U Active CN205982608U (en) | 2016-07-12 | 2016-07-12 | Portable load device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054111A (en) * | 2016-07-12 | 2016-10-26 | 国网山东省电力公司青岛供电公司 | Portable load device |
-
2016
- 2016-07-12 CN CN201620731730.3U patent/CN205982608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054111A (en) * | 2016-07-12 | 2016-10-26 | 国网山东省电力公司青岛供电公司 | Portable load device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |