CN105337177B - Metering cabinet - Google Patents
Metering cabinet Download PDFInfo
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- CN105337177B CN105337177B CN201410400876.5A CN201410400876A CN105337177B CN 105337177 B CN105337177 B CN 105337177B CN 201410400876 A CN201410400876 A CN 201410400876A CN 105337177 B CN105337177 B CN 105337177B
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- cabinet
- metering
- blocking device
- incoming line
- locking
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- 230000000903 blocking effect Effects 0.000 claims abstract description 49
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 11
- 230000009466 transformation Effects 0.000 description 11
- 230000005611 electricity Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a kind of metering cabinet, which includes：Cabinet；Cabinet door, is arranged on cabinet；Blocking device, is arranged in cabinet door, for locking cabinet door, since blocking device is capable of the cabinet door of locking metering cabinet.By the present invention, solve the problems, such as to be difficult in the prior art effectively to avoid user to be strayed into the powered interval of metering cabinet, and then the effective effect for avoiding user from being strayed into the powered interval of metering cabinet.
Description
Technical field
The present invention relates to power domain, in particular to a kind of metering cabinet.
Background technology
In work about electric power scene, metering cabinet, which does not possess, to be prevented being strayed into blocking device, and scene does not have electric locking yet, only installs
There are one piece of poly (methyl methacrylate) plate and mark signal language prompting user to take care, it is impossible to effectively prevent personnel's mistakenly entering charged chamber,
Particularly when accessing high-voltage electricity, easily trigger electric shock accidents, or even cause casualties.
For being difficult to effectively avoid the problem that user is strayed into the powered interval of metering cabinet in the prior art, not yet propose at present
Efficiently solve scheme.
The content of the invention
It is a primary object of the present invention to provide a kind of metering cabinet, to solve to be difficult to effectively avoid user in the prior art
The problem of being strayed into metering cabinet powered interval.
To achieve these goals, according to an aspect of the invention, there is provided a kind of metering cabinet.The metering cabinet includes：
Cabinet；Cabinet door, is arranged on cabinet；Blocking device, is arranged in cabinet door, for locking cabinet door.
Further, which further includes：Incoming line cabinet, incoming line cabinet are connected with blocking device.
Further, incoming line cabinet includes external power interface and sensor, and external power interface is used to connect external power supply,
Sensor is used for the voltage for detecting the external power supply of incoming line cabinet, and sensor is connected with blocking device.
Further, blocking device includes driving mechanism and blocking element, and driving mechanism is used to drive blocking element locking
Cabinet door.
Further, driving mechanism is latching electromagnet.
Further, blocking element is latch.
Further, metering cabinet further includes：Testing agency, for detecting whether blocking device is powered；Control mechanism, with closing
Locking device is connected, for when judging that blocking device is powered, controlling the cabinet door of blocking device locking metering cabinet.
By the present invention, use including with the metering cabinet of lower structure：Cabinet；Cabinet door, is arranged on cabinet；Blocking device,
It is arranged in cabinet door, for locking cabinet door, since blocking device is capable of the cabinet door of locking metering cabinet, it is difficult in the prior art to solve
Effectively to avoid the problem that user is strayed into the powered interval of metering cabinet, and then effectively user is avoided to be strayed into metering cabinet band
The effect at electricity interval.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of metering cabinet schematic diagram according to embodiments of the present invention；
Fig. 2 is another alternatively metering cabinet schematic diagram according to embodiments of the present invention；
The primary system figure of metering cabinet according to embodiments of the present invention Fig. 3；
Fig. 4 is the voltage measurement electric diagram of metering cabinet according to embodiments of the present invention；
Fig. 5 is the voltage measurement module figure of metering cabinet according to embodiments of the present invention；
Fig. 6 is the current measurement electric diagram of metering cabinet according to embodiments of the present invention.
Embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and the present invention will be described in detail in conjunction with the embodiments.
An embodiment of the present invention provides a kind of metering cabinet, Fig. 1 is the schematic diagram of metering cabinet according to embodiments of the present invention.Such as
Shown in Fig. 1, which includes cabinet 101, cabinet door 102 and blocking device 103.
Cabinet door 102, is arranged on cabinet 101.
Blocking device 103, is arranged in cabinet door 102, for locking cabinet door 102.
According to one embodiment of present invention, metering cabinet 10 is the abbreviation of electric energy metering cabinet, is the one of electric energy metering device
Kind, generally include the electrical equipments such as voltage transformer, current transformer.The metering cabinet of model XGN15-12 as shown in Table 1,
Metering cabinet numbering is AH2, and scheduling number is 44, including 2 current transformers, 2 voltage transformers, 1 electrification display, above-mentioned
The cabinet width of metering cabinet is 750 millimeters.Current transformer model LZZBJ9-10C, specification 50/5A, which is one
Kind realizes the element of current transformation according to electromagnetic induction principle.Voltage transformer model JDZ-10, specification 0.1KV, the electricity
The principle that pressure mutual inductor is also based on electromagnetic induction realizes voltage transformation.The model DXN8A of electrification display, is a kind of direct
On electrical equipment, the safety instruction device directly perceived for showing electrical equipment and whether carrying voltage.Such as metering cabinet in table 1
In primary system figure, voltage transformer one terminates high-pressure side main bus-bar TMY-3, other end ground connection, and electrification display is in parallel,
And current transformer one end is serially connected in the main bus-bar TMY-3 of high-pressure side.
Cabinet 101 is used to accommodate the electrical equipment in metering cabinet 10, shields to the electrical equipment in cabinet, such as
Prevent the electrical equipment in cabinet 101 from making moist, or prevent the electrical equipment outside 10 cabinet of metering cabinet to the electricity inside cabinet 101
Gas element causes electromagnetic interference etc..
Metering cabinet access power supply when, blocking device 103 be powered after locking live cabinet door 102 so that operating personnel can not open
Cabinet door 102, so as to effectively prevent operating personnel's mistakenly entering charged chamber, improves the security of metering cabinet, reduces operator
The possibility of the electric shock of member.
1 metering cabinet complete set of equipments electrical equipment of table
Alternatively, in order to making blocking device 103 be powered rapid locking metering cabinet while metering cabinet accesses power supply
Cabinet door 102, above-mentioned metering cabinet further include：Incoming line cabinet, incoming line cabinet are connected with blocking device 103.
The incoming line cabinet is from the exterior switchgear for introducing power supply, usually introduces 10kV power supplys from supply network.Such as the institute of table 1
What is shown is a kind of 10KV incoming line cabinets, and model XGN15-12, incoming line cabinet numbering is AH1, and scheduling number is 201, and cabinet is 500 millimeters wide,
The incoming line cabinet includes 1 on-load switch, 1 electrification display, 3 arresters.Wherein, the model of on-load switch and specification are
SFG-12/630, is that one kind can close and cut off in normal operation load current, exciting current, charging current and electricity
The device for switching of container group electric current.Electrification display model DXN8A.The model and specification of arrester are HY5WZ-17/43.5,
It is a kind of to protect electrical equipment etc. from the device of lightning damage.In the primary system figure of the incoming line cabinet, on-load switch one end
High-pressure side main bus-bar is connected, the other end of on-load switch is connected on electrification display, arrester and cable termination at the same time
One end, i.e., one end on above-mentioned electrification display, arrester and cable termination are attempted by the other end of on-load switch, arrester
All it is grounded with the other end of electrification display.
As it can be seen from table 1 external power supply introduces 10KV metering cabinets from 10KV incoming line cabinets, then offer for sale output via 10KV rings
To power supply unit.Wherein, 10KV rings offer for sale model XGN15-12, numbering AH3, and scheduling number is 211, and cabinet width is 500 millimeters,
Above-mentioned 10KV rings offer for sale including 1 on-load switch, 1 electrification display, wherein 3 fuses, on-load switch model and specification
For FLN36-12D/630, electrification display model DXN8A；Fuse model and specification are SFLAJ-12/80A, are a kind of electricity
Protector is flowed, its principle is after electric current exceedes setting for a period of time, makes Melt molten with the heat of its own generation, so that
Disconnect circuit.
Incoming line cabinet introduces power supply from supply network, then the plant-grid connection being introduced into, to metering cabinet, metering cabinet is again via 10KV
Ring offers for sale output to power supply unit.Thus, by the way that incoming line cabinet is connected with blocking device 103, when incoming line cabinet draws from supply network
During into high voltage power supply, the blocking device 103 that is connected with the incoming line cabinet while it is powered, so as to perform lock operation rapidly, lock
Firmly metering cabinet cabinet door 102.
Alternatively, introducing external power supply for convenience, incoming line cabinet include external power interface and sensor, external power supply
Interface is used to connect external power supply, and sensor is used for the voltage for detecting the external power supply of incoming line cabinet, sensor and blocking device 103
Connection.
Alternatively, blocking device 103 includes driving mechanism and blocking element, and driving mechanism is used to drive blocking element locking
Cabinet door.
For driving mechanism when being powered, driving blocking element pins metering cabinet cabinet door, when not charged, cancels blocking element pair
The locking of metering cabinet cabinet door 102, realizes unlock, so as to easily realize the locking of cabinet door 102 and unlock.
Alternatively, driving mechanism is latching electromagnet.
Latching electromagnet is a kind of common blocking device, easy to use.During latching electromagnet no-voltage, latching electromagnet
It is off, blocking element is also at solution locking door state, can arbitrarily open metering cabinet cabinet door 102 at this time and be grasped
Make, but be attracted during latching electromagnet energization, so as to drive blocking element pop-up to live cabinet door 102 from locking inside metering cabinet, outside
The operating personnel in portion can not then open cabinet door, so as to avoid operating personnel's mistakenly entering charged chamber.
Alternatively, blocking element is latch.
Latch is a kind of door locking device common in daily life, simple in structure, by a mobilizable bar and fixation
Jack is formed, and the embodiment of the present invention realizes the locking of cabinet door 102 and unlock by the movable bar of driving mechanism driving latch.
Alternatively, in order to avoid the maloperation of blocking device, as shown in Fig. 2, above-mentioned metering cabinet further includes：Testing agency
105, for detecting whether blocking device 103 is powered；Control mechanism 106, is connected with blocking device 103, judges institute for working as
When stating blocking device energization, the cabinet door of 103 locking metering cabinet of blocking device is controlled.
Only when blocking device detects in testing agency 105 to be powered, control mechanism 106 just controls 103 locking of blocking device
Firmly cabinet door, so as to reduce since some other malfunction causes the locking of metering cabinet cabinet door.
Metering cabinet provided in an embodiment of the present invention is by the way that locking electromagnet is connected on incoming line cabinet sensor, when incoming line cabinet connects
When entering power supply, sensor both ends are passed to voltage, are attracted so that locking electromagnet is powered, and drive the motion bar locking of latch to live to measure
Cabinet cabinet door, even if so that metering cabinet band high-voltage electricity, due to that can not be beaten from outside from metering cabinet cabinet door, operating personnel described in inside
Cabinet door is opened, effectively avoids operating personnel from reducing the possibility that operating personnel get an electric shock into entering into charged intervals.
According to another embodiment of the invention, the primary system figure of metering cabinet is as shown in figure 3, metering cabinet is mutual including voltage
Sensor (YHa, YHc), current transformer (LHa, LHc), fuse, electrification display, wherein voltage transformer (YHa, YHc) pass through
Overcurrent fuse is connected on high-voltage side bus, and electrification display is attempted by voltage transformer both ends, current transformer (LHa, LHc) string
It is connected on high-voltage side bus, compared to the primary system figure of the metering cabinet shown in table 1, voltage transformer in Fig. 3 (YHa,
YHc) through overcurrent fuse on high-voltage side bus are connected on, circuit is protected by fuse, security higher.Above-mentioned metering
Cabinet can realize the measurement of voltage, electric current.
Fig. 4 is the electric diagram of metering cabinet voltage measurement, and Fig. 5 is metering cabinet voltage measurement module figure, the metering cabinet electricity with Fig. 4
Pressure measurement electric diagram is corresponding.The voltage transformer 107 (YHa, YHc) one that can be seen that metering cabinet with reference to Fig. 4, Fig. 5 terminates electricity
Road is pushed back, transformation is carried out to voltage circuit voltage, it is another to terminate at metering junction box 108, the voltage after transformation is introduced into metering
Terminal box 108, metering junction box 108 carry out current protection through overcurrent fuse 109 (FU1~FU3), connect quantifier 110 (WH),
It is linked into again by voltage transformation module 111 on voltmeter 112 (V) and carries out voltage measurement and show magnitude of voltage, wherein FU1 is connected on
On 1,3 terminals of voltage transformation module 111, FU2 is connected on 5 terminals of voltage transformation module 111, and FU3 is connected on voltage and turns
On 7 terminals for changing the mold block 111,2,6 terminals of voltage transformation module 111 link together, 4,8 ends of voltage transformation module 111
Son links together, and voltmeter both ends are connected on the 2 of voltage transformation module 111,8 terminals respectively.
Fig. 6 is the schematic diagram that metering cabinet measures electric current, as shown in fig. 6, current sensor LHa one end is grounded, another termination
On metering junction box on the terminal 2 of side, current sensor LHc is also one end ground connection, another metering junction box that terminates at
On terminal 6, measurement meter is serially connected between two terminals of metering junction box (JXH) opposite side, realizes the measurement of electric current.It is exterior
The electric current of access carries out flowing into measurement meter progress current measurement after current transformation by current transformer.
Table 2 says the information such as the specifications and models of the electrical equipment in above-mentioned metering cabinet, title code name and quantity
It is bright.As shown in table 2, YHa, YHc represent voltage sensor, its model specification JDZ-10Q10/0.1KV, LHa, LHc represent electric current
Sensor, model specification LZZBJ9-10Q/5A, WH represent Multifunctional measuring table, specifications and models for ZMC 3*100V, FU1~
FU3 represents fuse, and model specification is JF5-2.5RD 2A, and JXH represents metering junction box, and model specification is DFY2B (PJ2).
2 metering cabinet electrical equipment of table
| 6 | JXH | Metering junction box | DFY2B(PJ2) | 1 | |
| 5 | FU1~3 | Fuse | JF5-2.5RD 2A | 3 | |
| 4 | 1~3V | Voltmeter | 6L2-V 12/0.1KV | 3 | |
| 3 | WH | Multifunctional measuring table | ZMC3*100V | 1 | 1.5~6A |
| 2 | LHa,LHc | Current transformer | LZZBJ9-10Q□/5A | 2 | 0.2 grade of 10VA |
| 1 | YHa,YHc | Voltage transformer | JDZ-10Q 10/0.1KV | 2 | 0.2 grade of 30VA |
| Sequence number | Code name | Title | Model specification | Quantity | Remarks |
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (5)
- A kind of 1. metering cabinet, it is characterised in that including：Cabinet；Cabinet door, is arranged on the cabinet；AndBlocking device, is arranged in the cabinet door, for cabinet door described in locking；Wherein, the metering cabinet further includes：Testing agency, for detecting whether blocking device is powered；AndControl mechanism, is connected with the blocking device, for when judging that the blocking device is powered, controlling the locking to fill Put the cabinet door of metering cabinet described in locking；Wherein, the metering cabinet further includes：Incoming line cabinet, the incoming line cabinet are connected with the blocking device, and the incoming line cabinet is used to introduce power supply, when the incoming line cabinet draws When entering high voltage power supply, the blocking device being connected with the incoming line cabinet is powered at the same time.
- 2. metering cabinet according to claim 1, it is characterised in that the incoming line cabinet includes external power interface and sensing Device, the external power interface are used to connect external power supply, and the sensor is used for the external power supply for detecting the incoming line cabinet Voltage, the sensor are connected with the blocking device.
- 3. metering cabinet according to claim 1, it is characterised in that the blocking device includes driving mechanism and locking member Part, the driving mechanism are used to drive cabinet door described in the blocking element locking.
- 4. metering cabinet according to claim 3, it is characterised in that the driving mechanism is latching electromagnet.
- 5. metering cabinet according to claim 3, it is characterised in that the blocking element is latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400876.5A CN105337177B (en) | 2014-08-14 | 2014-08-14 | Metering cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410400876.5A CN105337177B (en) | 2014-08-14 | 2014-08-14 | Metering cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105337177A CN105337177A (en) | 2016-02-17 |
| CN105337177B true CN105337177B (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410400876.5A Active CN105337177B (en) | 2014-08-14 | 2014-08-14 | Metering cabinet |
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| CN (1) | CN105337177B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686927B (en) * | 2017-01-17 | 2022-05-17 | 国家电网公司 | Unmanned aerial vehicle inspection obstacle avoidance early warning device for power transmission line |
| CN111129972B (en) * | 2019-12-30 | 2021-11-23 | 国网山东省电力公司淄博供电公司 | Anti-misoperation locking device for high-voltage cabinet door of box-type substation |
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| CN2831550Y (en) * | 2005-08-10 | 2006-10-25 | 武汉昌华电气设备有限公司 | Sulfur hexafluoride load-break switch electricity management metering cabinet |
| CN201600397U (en) * | 2010-01-29 | 2010-10-06 | 上海天正机电(集团)有限公司 | Low-voltage electric energy metering cubicle with function of preventing electricity from being stolen |
| CN102024587A (en) * | 2010-12-13 | 2011-04-20 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN202564828U (en) * | 2012-05-04 | 2012-11-28 | 常熟开关制造有限公司(原常熟开关厂） | Mechanical interlocking device for switch cabinet |
| CN203481627U (en) * | 2013-09-06 | 2014-03-12 | 吉林省电力有限公司长春供电公司 | 10KV electric power complete equipment misoperation-preventive lock |
| CN204258054U (en) * | 2014-08-14 | 2015-04-08 | 国家电网公司 | Metering cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202059059U (en) * | 2010-11-21 | 2011-11-30 | 安徽省电力公司阜阳供电公司 | Live locking detection circuit device for switch cabinet |
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2014
- 2014-08-14 CN CN201410400876.5A patent/CN105337177B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2831550Y (en) * | 2005-08-10 | 2006-10-25 | 武汉昌华电气设备有限公司 | Sulfur hexafluoride load-break switch electricity management metering cabinet |
| CN201600397U (en) * | 2010-01-29 | 2010-10-06 | 上海天正机电(集团)有限公司 | Low-voltage electric energy metering cubicle with function of preventing electricity from being stolen |
| CN102024587A (en) * | 2010-12-13 | 2011-04-20 | 山东电力集团公司泰安供电公司 | Hard locking device for high-voltage metering cabinet |
| CN202564828U (en) * | 2012-05-04 | 2012-11-28 | 常熟开关制造有限公司(原常熟开关厂） | Mechanical interlocking device for switch cabinet |
| CN203481627U (en) * | 2013-09-06 | 2014-03-12 | 吉林省电力有限公司长春供电公司 | 10KV electric power complete equipment misoperation-preventive lock |
| CN204258054U (en) * | 2014-08-14 | 2015-04-08 | 国家电网公司 | Metering cabinet |
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| Publication number | Publication date |
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| CN105337177A (en) | 2016-02-17 |
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Effective date of registration: 20240507 Address after: 100031 No. 41 West Main Street, Qianmen, Beijing, Xicheng District Patentee after: STATE GRID BEIJING ELECTRIC POWER Co. Country or region after: China Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: Daxing County Power Supply Installation Co. Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: STATE GRID CORPORATION OF CHINA Country or region before: China Patentee before: STATE GRID BEIJING ELECTRIC POWER Co. |
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