CN105186294A - Induction equipment used for electric power cabinet - Google Patents

Induction equipment used for electric power cabinet Download PDF

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Publication number
CN105186294A
CN105186294A CN201510446493.6A CN201510446493A CN105186294A CN 105186294 A CN105186294 A CN 105186294A CN 201510446493 A CN201510446493 A CN 201510446493A CN 105186294 A CN105186294 A CN 105186294A
Authority
CN
China
Prior art keywords
layer
temperature
cable
induction end
induction
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
Application number
CN201510446493.6A
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Chinese (zh)
Inventor
王晓强
张鹏程
王宏涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datong Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Original Assignee
Datong Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Datong Power Supply Co of State Grid Shanxi Electric Power Co Ltd filed Critical Datong Power Supply Co of State Grid Shanxi Electric Power Co Ltd
Priority to CN201510446493.6A priority Critical patent/CN105186294A/en
Publication of CN105186294A publication Critical patent/CN105186294A/en
Pending legal-status Critical Current

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Abstract

The invention belongs to the technical field of electrical equipment, and provides induction equipment used for an electric power cabinet. The induction equipment comprises an induction end, a connection end and a wire cable used for connecting the induction end and the connection end, wherein the induction end comprises a lining, a temperature-sensing layer and an outer shell, the lining is an epoxy resin layer, the temperature-sensing layer is a thermistor, the temperature-sensing layer comprises a thermosensitive chip layer and a copper sheet layer connected with the thermosensitive chip layer, an encapsulation layer is arranged outside the copper sheet layer, a protective layer is encapsulated between the copper sheet layer and the encapsulation layer, the protective layer is made of encapsulation materials, and the encapsulation layer is a glass encapsulation layer; and the connection end comprises a plug component or a socket component. The induction equipment is simple in structure and accurate in temperature measurement, can be used repeatedly, achieves flashover detection through electronic temperature measurement, controls the error to be within a range from - 0.1 DEG C to +0.1 DEG C, is very high in accuracy, has good mechanical strength, enhances stability, and better protects copper wires against external influence.

Description

A kind of sensing apparatus for electric power cabinet
Technical field
The present invention relates to technical field of electric equipment, particularly relate to a kind of sensing apparatus for regulator cubicle.
Background technology
In, low-tension switch cabinet is applicable to the industries such as power plant, oil, chemical industry, metallurgy, weaving, skyscraper, as the use of transmission of electricity, distribution and electric energy conversion.In the last few years, national middle-low voltage switch cabinet accident was continuous, traced it to its cause, and often when outlet or bus generation single phase ground fault, because earth point capacity current is comparatively large, earth point electric arc can not extinguish completely, causes electric arc repeatedly to be restriked; Again due to the reason of arc resistance, short circuit current does not often reach instantaneous over-current setting value and can not quick acting disengagement failure, and miscellaneous equipment insulation level is lower causes developing rapidly into phase fault, electric arc sustained combustion discharges huge energy, thus causes switch cubicle by the catastrophic consequence of seriously burning.The flashing fault of switch cubicle, if do not removed in time, develop into middle pressure busbar fault, the harm brought is very serious.The grid equipment that Medium Voltage Switchgear flashing causes damages and power outage not only causes sizable economic loss, also seriously have impact on the safe and stable operation of electrical network, thus directly threatens electric substation normally to run the safety with operations staff.
Therefore study the transducer that flashing detects, and then install effective relaying protection, solve flashing problem, for the safety, the stability that improve electric power system, reducing economic loss has very large meaning.
Summary of the invention
In order to overcome the deficiency that prior art exists, the invention provides a kind of sensing apparatus for Electric Appliance Cabinet, it can carry out flashing detection to regulator cubicle, and structure is simple, can reuse.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The present invention is a kind of provides a kind of sensing apparatus for Electric Appliance Cabinet, and it comprises
Induction end, link and cable;
Induction end is connected by cable with link;
Induction end comprises liner, temperature-sensitive layer and shell; Described liner, temperature-sensitive layer and shell are hollow chondritic, and the inwall that liner is close to temperature-sensitive layer is arranged, and the outer wall that shell is close to temperature-sensitive layer is arranged;
Link comprises male component or female component, and is arranged on the housing of its outside;
Be provided with the first signal terminal in male component, in female component, be provided with secondary signal terminal, secondary signal terminal is provided with multiple insulation jack; One end of cable is connected with the temperature-sensitive layer in induction end, and the other end is connected with the secondary signal terminal in female component.
Further, described liner is epoxy glue layer.
Further, described temperature-sensitive layer comprises:
Heat sensitive chip layer and the copper sheet layer be connected with heat sensitive chip layer;
The temperature information collected is transferred to the instrument be connected with transducer by described heat sensitive chip layer; Described copper sheet layer is outside equipped with encapsulated layer; Also layer protective layer is enclosed between described copper sheet layer and encapsulated layer.
Further,
Temperature-sensitive layer in described induction end is single thermal resistor layer, and cable is supporting red white two cables; Or,
Temperature-sensitive layer in described induction end is two thermal resistor layer, and cable is supporting red Bai Huangsan bar cable.
Further, the insulated part of all insulation jacks of the secondary signal terminal in described female component is connected as a single entity formation collets.
Further, the outer wall of described male component has screw thread, spun by screw thread between the socket on male component and instrument.
Further, guiding rib is also provided with in described male component.
Further, entangled by heat-shrink tube between described cable and link and lock.
As can be seen from the concrete technical scheme of the invention described above, the present invention has following beneficial effect:
Structure of the present invention is simple; temperature survey is accurate; and can reuse; it realizes flashing by electronic temperature measurement and detects, and control errors is between ± 0.1 DEG C, and accuracy is very high; temperature-sensitive layer simultaneously in induction end of the present invention has good insulating properties, anti-pressure and abrasion-proof, impact resistance, heat-resisting quantity and reactance voltage effect; there is good mechanical strength simultaneously, enhance stability, protect copper cash better not by external influence.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the female component structural representation of link in Fig. 1;
Fig. 3 is the male component structural representation of link in Fig. 1;
Fig. 4 is the structural representation of temperature-sensitive layer in Fig. 1.
In accompanying drawing: induction end 1, link 2, cable 3; Liner 11, temperature-sensitive layer 12, shell 13; Heat sensitive chip layer 121, copper sheet layer 122, encapsulated layer 123, protective layer 124; Male component 21, female component 22, housing 23; First signal terminal 211, guiding rib 212; Secondary signal terminal 221; Insulation jack 2211.
Embodiment
Below with reference to accompanying drawing, the present invention is further detailed explanation, and these accompanying drawings are the schematic diagram simplified, and only basic structure of the present invention is described in a schematic way, therefore it only shows the formation relevant with the present invention.
As Figure 1-Figure 4, a kind of regulator cubicle provided by the invention reuses transducer, comprising: induction end 1, link 2 and cable 3.Induction end 1 is connected by cable 3 with link 2.
Induction end 1 comprises liner 11, temperature-sensitive layer 12 and shell 13.Described liner 11, temperature-sensitive layer 12 and shell 13 are hollow chondritic, and the inwall that liner 11 is close to temperature-sensitive layer 12 is arranged, and the outer wall that shell 13 is close to temperature-sensitive layer 12 is arranged.
Liner 11 is epoxy glue layer.Its mechanical strength is high, media-resistant, ageing-resistant, electrical insulating property good, cubical contraction is little.
The copper sheet layer 122 that temperature-sensitive layer 12 comprises heat sensitive chip layer 121 and is connected with heat sensitive chip layer 121.The temperature information collected is transferred to the instrument be connected with transducer by heat sensitive chip layer 121.Described copper sheet layer 122 is outside equipped with encapsulated layer 123, and described encapsulated layer 123 is glass encapsulating layer.Layer protective layer 124 is also enclosed between described copper sheet layer 122 and encapsulated layer 123.Described protective layer 124 is polyimides material.
Link 2 comprises male component 21 and is arranged on outside housing 23.Or comprise female component 22 and be arranged on outside housing 23.Be provided with the first signal terminal 211 in male component 21, in female component 22, be provided with the secondary signal terminal 221 corresponding with the first signal terminal 211, secondary signal terminal 221 is provided with multiple insulation jack 2211.One end of cable 3 is connected with the temperature-sensitive layer 12 in induction end 1, and the other end is connected with the secondary signal terminal 221 in female component 22.
Wherein, according to actual needs, the temperature-sensitive layer 12 in induction end 1 can be single thermal resistor layer, and cable 3 is supporting red white two cables.Temperature-sensitive layer 12 in induction end 1 also can be two thermal resistor layer, and cable 3 is supporting red Bai Huangsan bar cable.
Wherein, the insulated part of all insulation jacks 2211 of the secondary signal terminal 221 in female component 22 is connected as a single entity formation collets, and insulation effect is good, avoids producing signal disturbing.
Wherein, the outer wall of male component 21 has screw thread, spun by screw thread between the socket on male component 21 and instrument, convenient to operation.
Wherein, be also provided with guiding rib 212 in male component 21, accordingly, in female component 22, be provided with gathering sill.Convenient directed insertion.
Wherein, the outside of induction end 1, link 2 and cable 3 scribbles reflectance coating, avoids sunlight shine for a long time so that strain.
Wherein, entangled by heat-shrink tube between cable and link and lock, avoiding leaking and leaking electricity.
The present invention is electronic temperature measurement, and control errors is between ± 0.1 DEG C, and accuracy is very high.Induction end 1 of the present invention is mellow and full without sharp-pointed water caltrop, can not damage sufferer.Temperature-sensitive layer 12 in induction end 1 of the present invention has good insulating properties, anti-pressure and abrasion-proof, impact resistance, heat-resisting quantity and reactance voltage effect, has good mechanical strength simultaneously, enhances stability, protects copper cash better not by external influence.
Although with preferred embodiment openly as above, embodiment does not limit the present invention in the present invention.Without departing from the spirit and scope of the invention, any equivalence change done or retouching, belong to the protection range of the present invention equally.Therefore the content that protection scope of the present invention should define with the claim of the application is standard.

Claims (8)

1. for a sensing apparatus for regulator cubicle, it is characterized in that, the described sensing apparatus for regulator cubicle comprises:
Comprise induction end (1), link (2) and cable (3); Induction end (1) is connected by cable (3) with link (2);
Described induction end (1) comprises liner (11), temperature-sensitive layer (12) and shell (13); The inwall that described liner (11) is close to temperature-sensitive layer (12) is arranged, and the outer wall that shell (13) is close to temperature-sensitive layer (12) is arranged;
Link (2) comprises male component (21) or female component (22), and is arranged on the housing (23) of its outside;
The first signal terminal (211) is provided with in male component (21), be provided with secondary signal terminal (221) in female component (22), secondary signal terminal (221) be provided with multiple insulation jack (2211); One end of cable (3) is connected with the temperature-sensitive layer (12) in induction end (1), and the other end is connected with the secondary signal terminal (221) in female component (22).
2. transducer according to claim 1, is characterized in that, described liner (11) is epoxy glue layer.
3. transducer according to claim 1 and 2, is characterized in that, described temperature-sensitive layer (12) comprising:
Heat sensitive chip layer (121) and the copper sheet layer (122) be connected with heat sensitive chip layer (121);
The temperature information collected is transferred to the instrument be connected with transducer by described heat sensitive chip layer (121); Described copper sheet layer (122) is outside equipped with encapsulated layer (123); Layer protective layer (124) is also enclosed between described copper sheet layer (122) and encapsulated layer (123).
4. transducer according to claim 3, is characterized in that,
Temperature-sensitive layer (12) in described induction end (1) is single thermal resistor layer, and cable (3) is supporting red white two cables; Or,
Temperature-sensitive layer (12) in described induction end (1) is two thermal resistor layer, and cable (3) is supporting red Bai Huangsan bar cable.
5. transducer according to claim 3, is characterized in that, the insulated part of all insulation jacks (2211) of the secondary signal terminal (221) in described female component (22) is connected as a single entity formation collets.
6. transducer according to claim 3, is characterized in that, the outer wall of described male component (21) has screw thread, is spun between the socket on male component (21) and instrument by screw thread.
7. transducer according to claim 3, is characterized in that, is also provided with guiding rib (212) in described male component (21).
8. transducer according to claim 3, is characterized in that, is entangled and lock between described cable (3) and link (2) by heat-shrink tube.
CN201510446493.6A 2015-07-27 2015-07-27 Induction equipment used for electric power cabinet Pending CN105186294A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510446493.6A CN105186294A (en) 2015-07-27 2015-07-27 Induction equipment used for electric power cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510446493.6A CN105186294A (en) 2015-07-27 2015-07-27 Induction equipment used for electric power cabinet

Publications (1)

Publication Number Publication Date
CN105186294A true CN105186294A (en) 2015-12-23

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Family Applications (1)

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CN201510446493.6A Pending CN105186294A (en) 2015-07-27 2015-07-27 Induction equipment used for electric power cabinet

Country Status (1)

Country Link
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1228836A (en) * 1996-08-23 1999-09-15 阿库促国际公司 Self-verifying temp. sensor
CN201130575Y (en) * 2007-12-13 2008-10-08 上海长园维安电子线路保护股份有限公司 PTC polymer thermal resistor
CN102401700A (en) * 2010-09-10 2012-04-04 北京蔚蓝仕科技有限公司 Single-end temperature measurement sensor for fiber Bragg grating
CN203503936U (en) * 2013-10-30 2014-03-26 吴远泽 Power supply and signal joint structure
CN203629710U (en) * 2013-11-21 2014-06-04 深圳市科敏传感器有限公司 High-reliability temperature sensor for coffee machine
CN204269251U (en) * 2014-12-15 2015-04-15 上海森垚工贸有限公司 Electronic thermometer
CN204581238U (en) * 2015-03-11 2015-08-26 上海盛菲实业有限公司 Reusable clinical thermometer
CN204581240U (en) * 2015-03-11 2015-08-26 上海盛菲实业有限公司 The thermometer that can recycle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1228836A (en) * 1996-08-23 1999-09-15 阿库促国际公司 Self-verifying temp. sensor
CN201130575Y (en) * 2007-12-13 2008-10-08 上海长园维安电子线路保护股份有限公司 PTC polymer thermal resistor
CN102401700A (en) * 2010-09-10 2012-04-04 北京蔚蓝仕科技有限公司 Single-end temperature measurement sensor for fiber Bragg grating
CN203503936U (en) * 2013-10-30 2014-03-26 吴远泽 Power supply and signal joint structure
CN203629710U (en) * 2013-11-21 2014-06-04 深圳市科敏传感器有限公司 High-reliability temperature sensor for coffee machine
CN204269251U (en) * 2014-12-15 2015-04-15 上海森垚工贸有限公司 Electronic thermometer
CN204581238U (en) * 2015-03-11 2015-08-26 上海盛菲实业有限公司 Reusable clinical thermometer
CN204581240U (en) * 2015-03-11 2015-08-26 上海盛菲实业有限公司 The thermometer that can recycle

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Application publication date: 20151223