CN109212286A - A kind of generator car mobile metering device - Google Patents
A kind of generator car mobile metering device Download PDFInfo
- Publication number
- CN109212286A CN109212286A CN201811132410.6A CN201811132410A CN109212286A CN 109212286 A CN109212286 A CN 109212286A CN 201811132410 A CN201811132410 A CN 201811132410A CN 109212286 A CN109212286 A CN 109212286A
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- CN
- China
- Prior art keywords
- cabinet
- generator car
- current transformer
- metering device
- car mobile
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
- G01R11/02—Constructional details
- G01R11/04—Housings; Supporting racks; Arrangements of terminals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
Abstract
本发明涉及配电计量技术领域，更具体地，涉及一种发电车移动计量装置。包括箱体，所述的箱体内设置三相计量表计和电流互感器，所述的电流互感器与三相计量表计通过试验接线盒连接，所述的箱体上设有用于穿过电缆的通孔，电缆穿过通孔与试验接线盒连接。能快速、方便、灵活的在现场进行对发电车的供电量进行计量。
The present invention relates to the technical field of power distribution measurement, and more particularly, to a mobile measurement device for power generation vehicles. Including a box body, the box body is provided with a three-phase meter and a current transformer, the current transformer and the three-phase meter are connected through a test junction box, and the box body is provided with a cable for passing through the cable. The through hole, the cable is connected to the test junction box through the through hole. It can quickly, conveniently and flexibly measure the power supply of the generator car on site.
Description
Technical field
The present invention relates to electricity distributing and metering technical fields, more particularly, to a kind of generator car mobile metering device.
Background technique
When public power distribution station device fails or scheduled outage, to improve electric service, guarantee that user's is just common
Electricity needs generator car to reach scene and carries out power generation power supply.When generator car discharge to the power distribution station of power failure, low-voltage supply line is only
The examination that public power distribution station can be connected to amounts to the rear end power supply of scale, and the generated energy of generator car amounts to scale without examination, directly
It connects to customer power supply, affects line loss statistical analysis.
Because emergency power generation vehicle car does not have a matched metering device, and when generator car are to on-site generated power, low-voltage supply line
The examination for being connected to public power distribution station amounts to the rear end of scale, cannot accurately measure in each generator car generating dutation, corresponding to supply
Electricity.It the time and supply current amount that generator car generate electricity every time, can not accurate recording and statistics, i.e. its electricity to generate electricity every time hardly possible
To calculate.Currently without a portable set of metering device, can quickly, conveniently, flexibly be measured using to scene, it can not
Accurate statistics power supply volume, influences line loss analyzing.
Summary of the invention
The present invention in order to overcome at least one of the drawbacks of the prior art described above, provides a kind of generator car movable metering dress
Set, can quickly, conveniently, flexibly carry out measuring the power supply volume of generator car at the scene.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of generator car mobile metering device, including
Cabinet, the interior setting three phase metering meter of the cabinet and current transformer, the current transformer and three phase metering meter
It is connected by test connecting box.
In the present apparatus, used three phase metering meter has communication function, in work at the scene, by generator car
Service cable accesses the test connecting box in the present apparatus, after cable passes through the current transformer in the present apparatus, then accesses to public
Power distribution station, the present apparatus obtains voltage circuit in generator car cable and public power distribution station junction, to reach three phase metering meter
Normal metering power generation power supply volume, power supply of the generator car in power-on time can accurately be measured by three phase metering meter
It measures, and the related datas such as voltage collected, electric current, electricity is transmitted to the long-range end of staff by three phase metering meter
It is monitored in end and data retains, to realize accurately record and statistical data, can quickly, conveniently, flexibly used
It is measured at scene.In addition, the connecting terminal of current transformer is encapsulated using insulated paint in the present apparatus.Upper layer gauge table electricity
Crimping length in reserve, connects to draw in power distribution station, and cabinet is equipped with earthing or grounding means, and earthing or grounding means is mounted on case by twist screws
On body, can easy disassembly, can be avoided electric shock when staff touches cabinet when in use in this way, using more
Add safety.By the present apparatus, cable is directly contacted with the present apparatus, and the secondary line and terminal box, metering ammeter of current transformer are solid
Fixed connection, prevents line from loosening.Having Current Transformer Secondary line prevents the function of open circuit, short circuit.
Further, the current transformer is arranged and is fixed equipped with current transformer isosceles triangle described in 3,3
Installation.Current transformer is rectangular parallelepiped structure, and the sky of box house can be maximally utilised by the arrangement of isosceles triangle
Between, effectively reduce the volume of whole device, more convenient staff when work at the scene it is quick and convenient neatly
It uses.
Further, the no-load voltage ratio of the current transformer is 750/5, and the generator car that can satisfy 500kW in this way use
Demand.
Further, the lower box is the dismountable dodge gate in front and back, is removed when in use, and cable is passed through cabinet
Interior current transformer, so that current transformer be made to generate low current, metering ammeter records electricity consumption.Pass through detachable dodge gate
Convenient for wearing payout, electric wire.Dodge gate uses epoxy resin material, can either realize insulation, structure is also light.
Further, the three-phase mark of different colours is set on the current transformer.Wherein color identifier be it is yellow,
Green, red trichromatism facilitates staff to carry out wiring for distinguishing three-phase.
Further, fixed footing is equipped in front of the bottom of box, bottom of box rear is equipped with wheel, the wheel
Son is equipped with locking device.Staff, can be using wheel as axle center, by fixed bottom when needing using the present apparatus is carried
Foot lifts and pushes the present apparatus, facilitates onsite moving, saves the physical strength of staff.It, can be with when needing scene to use
Wheel is subjected to locking device, the present apparatus can be prevented securely.Preferably, it is provided with non-slip mat in the bottom of fixed footing,
The frictional force between footing and holding plane can be increased, guarantee that the present apparatus can stablize placement when in use.
Further, the cabinet top is equipped with observation window, and the observation window is using thick transparent polycarbonate material.
Staff can observe box house by observation window, facilitate maintenance and wiring.In addition, observation window is thick using 4mm
Transparent polycarbonate material, and have sealing water-proofing treatment, it can prevent rainwater from entering to box house from observation window, guarantee internal
It is dry.
Further, the cabinet two sides are provided with concealed pumping hand, and the cabinet upper end is equipped with push and pull bar.Case
The concealed pumping hand of body two sides need using when it can be extracted out from body side, facilitate carrying, when not needing to make
With when by concealed pumping hand press hide.It is being removed in addition, the push and pull bar of cabinet upper end can be convenient staff
It is used when transporting the present apparatus, facilitates and fixed footing is lifted up and is facilitated the promotion present apparatus.
Further, the clipping room between the current transformer is away from no less than 80mm.It is mutual to can be avoided electric current in this way
The mutual distance of sensor is too close to the distance that setting is no less than 80mm is that there are heat dissipations between adjacent current transformer
Gap, avoid overheat lead to fire behavior.
Further, the cabinet is waterproof construction.Preferably, encryption envelope is sprayed using cold bundle steel in the present apparatus,
Therefore the case where external water will not enter to box house, can be avoided electric leakage hair can be guaranteed using this waterproof construction
It is raw, guarantee safety when staff uses.Therefore the present apparatus can be used safely under rainy day environment.
Further, copper single insulated wire, electricity are used in the current loop of box house wiring and voltage circuit connecting line
Stream secondary circuit sectional area of wire is 4mm2, voltage circuit sectional area of wire is 2.5mm2。
Further, it is also provided with secondary line winder in the side of cabinet, for winding the secondary line of current transformer.
In addition, being additionally provided with the circular hole for passing through secondary line in the side of cabinet, it is provided with plastic boot on circular hole, it is secondary for protecting
Line, the diameter of circular hole are 50mm.
Compared with prior art, beneficial effect is:
1, can quickly, conveniently, flexibly carry out measuring the power supply volume of generator car at the scene；
2, the present apparatus facilitates carrying, structurally reasonable, the use that staff can be facilitated to work at the scene；
3, the present apparatus has waterproof and ground connection, can guarantee that Danger Electric shock risk occurs when in use for staff.
Detailed description of the invention
Fig. 1 is overall structure main view of the present invention；
Fig. 2 is overall structure side view of the present invention；
Fig. 3 is schematic diagram of internal structure of the present invention.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；In order to better illustrate this embodiment, attached
Scheme certain components to have omission, zoom in or out, does not represent the size of actual product；To those skilled in the art,
The omitting of some known structures and their instructions in the attached drawings are understandable.Being given for example only property of positional relationship is described in attached drawing
Illustrate, should not be understood as the limitation to this patent.
As shown in Figure 1-3, a kind of generator car mobile metering device, including cabinet 1, upper layer is divided into inside cabinet 1 under
Layer installs three phase metering meter 21 on the upper layer of cabinet 1, is mounted with three rectangular current transformers 23 in the lower layer of cabinet 1, electricity
Current transformer 23 is connect with three phase metering meter 21 by test connecting box 22, and the no-load voltage ratio of current transformer 23 is 750/5, is met
The generator car of 500kW use.With Chinese character pin-shaped arrangement between each mutual inductor, and it is fixedly mounted, the connecting terminal of current transformer 23
It is encapsulated using insulated paint, the space inside cabinet 1 can be maximally utilised by the arrangement of isosceles triangle, efficiently reduced
The volume of whole device, more convenient staff is quick and convenient when work at the scene neatly uses.Wherein, cabinet
The current loop and voltage circuit connecting line of 1 back panel wiring use copper single insulated wire, and electric current secondary loop sectional area of wire is
4mm2), the colour of insulated conductor of secondary circuit is that the end K1 is yellowish green red trichromatism line, the end K2 colo(u)r streak between yellowish green red trichromatism, for distinguishing electricity
Flow into and the outflow direction of stream, voltage circuit sectional area of wire is 2.5mm2.Clipping room between current transformer 23 is away from many
In 80mm.The mutual distance of current transformer 23 be can be avoided in this way too close to the distance that setting is no less than 80mm is
There are the gaps of heat dissipation between adjacent current transformer 23, and overheat is avoided to lead to fire behavior.
In the present embodiment, 1 lower part of cabinet is the dismountable dodge gate 16 in front and back, is removed when in use, and cable is passed through case
Intracorporal current transformer, so that current transformer be made to generate low current, metering ammeter records electricity consumption.Pass through detachable activity
Door is convenient for wearing payout, electric wire.Dodge gate 16 uses epoxy resin material, can either realize insulation, structure is also light.
Wherein, the three-phase mark of different colours is set on the current transformer.Wherein color identifier is yellow, green, red
Three colors facilitate staff to carry out wiring for distinguishing three-phase.
Wherein, 1 bottom front of cabinet is equipped with fixed footing 12, and 1 bottom rear of cabinet is equipped with wheel 13, and wheel 13 is equipped with lock
Determine device.Staff can be mentioned fixed footing 12 using wheel 13 as axle center when needing using the present apparatus is carried
The present apparatus is played and pushed, onsite moving is facilitated, saves the physical strength of staff.When needing scene to use, it can will take turns
Son 13 carries out locking device, can prevent the present apparatus securely.Preferably, it is provided with non-slip mat in the bottom of fixed footing 12,
The frictional force between footing and holding plane can be increased, guarantee that the present apparatus can stablize placement when in use.In addition, making
For a kind of preferred embodiment, used wheel 13 is universal wheel, can when pushing the present apparatus by universal wheel staff
To facilitate control, it is turned to it is more convenient to control.
Wherein, 1 top of cabinet is equipped with observation window 15, and observation window 15 is using thick transparent polycarbonate material.Staff can
, to observing inside cabinet 1, to facilitate maintenance and wiring by observation window 15.In addition, observation window 15 is thick transparent poly- using 4mm
Carbonate material, and have sealing water-proofing treatment, it can prevent rainwater from entering to inside cabinet 1 from observation window 15, guarantee internal dry
It is dry.
Wherein, 1 two sides of cabinet are provided with concealed pumping hand 11, and 1 upper end of cabinet is equipped with push and pull bar 14.1 two sides of cabinet
Concealed pumping hand 11 need using when can by its from 1 side of cabinet extract out, facilitate carrying, when being not required to be used
It waits to press in concealed pumping hand 11 and hide.It is being carried in addition, the push and pull bar 14 of 1 upper end of cabinet can be convenient staff
It is used when the present apparatus, facilitates and fixed footing 12 is lifted up and is facilitated the promotion present apparatus.
Wherein, cabinet 1 is waterproof construction.Preferably, encryption envelope is sprayed using cold bundle steel in the present apparatus, therefore uses this
Kind waterproof construction can guarantee the case where external water will not enter to inside cabinet 1, can be avoided electric leakage generation, guarantee work
Safety when personnel use.Therefore the present apparatus can be used safely under rainy day environment.
In the present apparatus, used three phase metering meter 21 has communication function, in work at the scene, by generator car
The service cable access present apparatus in test connecting box 22 then accessed after cable passes through the current transformer 23 in the present apparatus
To public power distribution station, the present apparatus obtains voltage circuit in generator car cable and public power distribution station junction, to reach three-phase meter
The power supply volume of the normal metering power generation of scale meter 21, can accurately measure generator car in power supply by three phase metering meter 21
Interior power supply volume, and the related datas such as voltage collected, electric current, electricity are transmitted to by work by three phase metering meter 21
It is monitored in the remote terminal of personnel and data retains, thus realize accurately record and statistical data, it being capable of quick, side
Just, flexibly measured using to scene.In addition, the connecting terminal of current transformer 23 is using insulation enamel-cover in the present apparatus
Envelope.Upper layer meter voltage line length in reserve, connects to draw in power distribution station, and cabinet 1 is mounted with ground connection dress by twist screws
18 are set, can facilitate and be dismounted, can be avoided electric shock when staff touches cabinet 1 when in use in this way,
Using safer.In addition, being additionally provided in the side of cabinet for passing through the circular hole that secondary linear diameter is 50mm, set on circular hole
It is equipped with plastic boot, for protecting secondary line.By the present apparatus, cable is directly contacted with the present apparatus, can be prevented in movement in this way
Or cause 23 secondary line connecting line of current transformer to loosen when carrying, have the detection of the anti-open circuit of 23 secondary side of current transformer
Function.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of generator car mobile metering device, which is characterized in that including cabinet (1), three-phase meter is arranged in the cabinet (1)
Scale meter (21) and current transformer (23), the current transformer (23) and three phase metering meter (21) pass through test connection
Box (22) connection.
2. a kind of generator car mobile metering device according to claim 1, which is characterized in that the current transformer
(23) it arranges and is fixedly mounted equipped with current transformer (23) isosceles triangle described in 3,3.
3. a kind of generator car mobile metering device according to claim 1, which is characterized in that the current transformer
(23) no-load voltage ratio is 750/5.
4. a kind of generator car mobile metering device according to claim 1, which is characterized in that described cabinet (1) lower part
For the dismountable dodge gate in front and back (16).
5. a kind of generator car mobile metering device according to claim 1, which is characterized in that the current transformer
(23) the three-phase mark of different colours is set on.
6. a kind of generator car mobile metering device according to claim 1, which is characterized in that described cabinet (1) bottom
Front is equipped with fixed footing (12), and cabinet (1) bottom rear is equipped with wheel (13), and the wheel (13) is equipped with locking device.
7. a kind of generator car mobile metering device according to claim 1, which is characterized in that described cabinet (1) top
Equipped with observation window (15), the observation window (15) is using thick transparent polycarbonate material.
8. a kind of generator car mobile metering device according to claim 1, which is characterized in that described cabinet (1) two sides
It is provided with concealed pumping hand (11), the cabinet (1) upper end is equipped with push and pull bar (14).
9. a kind of generator car mobile metering device according to claim 2, which is characterized in that the current transformer
(23) clipping room between is away from no less than 80mm.
10. -9 any a kind of generator car mobile metering device according to claim 1, which is characterized in that the cabinet
It (1) is waterproof construction, the side of cabinet is additionally provided with the circular hole for passing through secondary line, is provided with plastic boot on circular hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132410.6A CN109212286A (en) | 2018-09-27 | 2018-09-27 | A kind of generator car mobile metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811132410.6A CN109212286A (en) | 2018-09-27 | 2018-09-27 | A kind of generator car mobile metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109212286A true CN109212286A (en) | 2019-01-15 |
Family
ID=64981854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811132410.6A Pending CN109212286A (en) | 2018-09-27 | 2018-09-27 | A kind of generator car mobile metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109212286A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113012540A (en) * | 2021-02-25 | 2021-06-22 | 广东电网有限责任公司 | Wiring principle training device |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
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| RJ01 | Rejection of invention patent application after publication |