CN203706917U - Insulating pull rod for built-inresistor-typevoltage sensor - Google Patents
Insulating pull rod for built-inresistor-typevoltage sensor Download PDFInfo
- Publication number
- CN203706917U CN203706917U CN201420110419.8U CN201420110419U CN203706917U CN 203706917 U CN203706917 U CN 203706917U CN 201420110419 U CN201420110419 U CN 201420110419U CN 203706917 U CN203706917 U CN 203706917U
- Authority
- CN
- China
- Prior art keywords
- tension pole
- insulated tension
- voltage
- pull rod
- pole body
- 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.)
- Expired - Lifetime
Links
- 230000001052 transient effect Effects 0.000 claims abstract description 10
- 239000003292 glue Substances 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 14
- 238000005266 casting Methods 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
An insulating pull rod for a built-inresistor-typevoltage sensor comprises an insulating pull rod body, wherein a high-voltage terminal insert and a grounding terminal insert are arranged at two ends of the insulating pull rod body respectively, a high-voltage resistor is encapsulated in the insulating pull rod body, one end of the high-voltage resistor is fixed on the high-voltage terminal insert of the insulating pull rod body, the other end of the high-voltage resistor is connected with one end of a low-voltage resistor mounted on the outer side of the insulating pull rod body through a low-voltage lead led out of a grounding end of the insulating pull rod body, the other end of the low-voltage resistor is grounded, and a transient voltage suppressor is also connected onto the low-voltage resistor in parallel. According to the voltage sensor type insulating pull rod, functions of theresistor-typevoltage sensorare integrated on the basis of a traditional insulating operation pull rod. According to a resistor voltage dividing principle, the insulating pull rod is connected with elements such as the low-voltage resistor and the like outside the pull rod, and detectable low-voltage signals with higher linearity and precision are provided for an intelligent control module, so thathigh-voltage switchgear can realize various intelligent protection functions.
Description
Technical field
The utility model relates to a kind of servicing unit that is applicable to outdoor Intelligent high voltage switch device, especially relates to a kind of insulated tension pole for in-built electrical resistive voltage sensor.
Background technology
Insulated tension pole is a kind of insulating part common in high voltage switchgear, mainly as insulating supporting, insulation operation driving member etc., and its technology maturation, simple in structure, be widely used.Voltage sensor, under the demand of intelligent grid, at present, is applied to high voltage switchgear with various version more and more widely, to realize more intelligent protection functions, as o-volt protection, overvoltage protection, the standby throwing of contact, small current grounding protection etc.
At present, using more voltage sensor on high voltage switchgear, is mainly the inserted voltage sensor of insulator style, insulating cylinder or three-phase five-pole voltage transformer etc.Its general connection complexity, cost is high, inconvenience is installed, or the linearity of its output voltage is not good.
Utility model content
The purpose of this utility model is for solving existing insulated tension pole wiring complexity; the problems such as the linear difference of output voltage; a kind of insulated tension pole for in-built electrical resistive voltage sensor is provided; the utility model can be applied to outdoor Intelligent high voltage switch device; simplify connection; reduce cost, and be conducive to realize multiple intelligent protection function.
The utility model is the deficiency solving the problems of the technologies described above, and the technical scheme adopting is:
A kind of insulated tension pole for in-built electrical resistive voltage sensor, comprise insulated tension pole body, insulated tension pole body two ends are respectively arranged with high-pressure side inserts and earth terminal inserts, in described insulated tension pole body, be packaged with high voltage resistor, one end of high voltage resistor is fixed on the high-pressure side inserts of insulated tension pole body, the other end is connected with the low resistance one end that is arranged on insulated tension pole body exterior by the primary cable of drawing from the earth terminal of insulated tension pole body, low resistance other end ground connection, is also parallel with a Transient Voltage Suppressor on low resistance.
On the earth terminal of described insulated tension pole body, be also provided with ground connection aluminium cover, ground connection aluminium cover parcel primary cable is also connected with ground connection nest, and ground connection aluminium cover is by earth lead ground connection.
Described high voltage resistor is fixed in insulated tension pole body by mixing casting glue.
Described insulated tension pole body is the High-Voltage Insulation operation pull bar of high tensile load, antitorque moment of torsion.
Described mixing casting glue is the flexible resin glue with low mixing viscosity, high dielectric strength.
The beneficial effects of the utility model are: the voltage sensor formula insulated tension pole that the utility model provides is on the basis of tradition insulation operation pull bar, has gathered resistance-type voltage sensor function.It is connected with elements such as pull bar outer low pressure resistance according to electric resistance partial pressure principle, provides detectable linearity and the higher low voltage signal of precision to intelligent control module, is beneficial to high voltage switchgear and realizes multiple intelligent protection function.It is simple and compact for structure, and cost is low, and it is convenient to install with line.
Brief description of the drawings
Fig. 1 structural representation of the present utility model
Fig. 2 is circuit reduction schematic diagram of the present utility model.
Graphical indicia: 10, insulated tension pole body; 101, high-pressure side inserts; 102, earth terminal inserts; 11, high voltage resistor; 12, mix casting glue; 13, ground connection aluminium cover; 14, primary cable; 15, earth lead; 16, Transient Voltage Suppressor; 17, low resistance.
Embodiment
Shown in figure, embodiment is as follows:
A kind of insulated tension pole for in-built electrical resistive voltage sensor, comprise insulated tension pole body 10, insulated tension pole body 10 two ends are respectively arranged with high-pressure side inserts 101 and earth terminal inserts 102, in described insulated tension pole body 10, be packaged with high voltage resistor 11, one end of high voltage resistor 11 is fixed on the high-pressure side inserts 101 of insulated tension pole body 10, the other end is connected with low resistance 17 one end that are arranged on insulated tension pole body 10 outsides by the primary cable 14 of drawing from the earth terminal of insulated tension pole body 10, low resistance 17 other end ground connection, on low resistance 17, be also parallel with a Transient Voltage Suppressor 16.
On the earth terminal of described insulated tension pole body 10, be also provided with ground connection aluminium cover 13, ground connection aluminium cover 13 parcel primary cables 14 are also connected with ground connection nest 102, and ground connection aluminium cover 13 is by earth lead 15 ground connection.
Described high voltage resistor 11 is fixed in insulated tension pole body 10 by mixing casting glue 12.
The High-Voltage Insulation operation pull bar that described insulated tension pole body 10 is high tensile load, antitorque moment of torsion.
Described mixing casting glue 12 is for having the flexible resin glue of low mixing viscosity, high dielectric strength.
Insulated tension pole body 10 has high-pressure side inserts 101 and earth terminal inserts 102.In the present embodiment, insulated tension pole body 10, for having the High-Voltage Insulation operation pull bar compared with high tensile load, antitorque moment of torsion, can be installed on high voltage switchgear inside easily, makes the compact conformation of switchgear.
Mixing casting glue 12 in insulated tension pole body, strengthens the performances such as resistance insulation, protection against the tide by high voltage resistor sealing.Mixing casting glue 12 can be to have low mixing viscosity, high dielectric strength, the wide flexible resin glue of operating temperature range.As a nonrestrictive example, the mixing casting glue 12 adopting in the present embodiment is polybutadiene glue.
The mixed casting glue 12 of high voltage resistor 11 is packaged in insulated tension pole body 10, and its one end is fixedly connected with (being high-pressure side) with the high-pressure side inserts 101 of insulated tension pole body 10, and its other end is connected (being low-pressure end) with primary cable 14.
Primary cable 14 one end are connected with high voltage resistor 11, and the other end is drawn with low resistance 17 and is connected from the earth terminal of insulated tension pole 10.
Low resistance 17 one end and primary cable 14, other end ground connection, low resistance 17 forms and connects with high voltage resistor 11.
Transient Voltage Suppressor (TVS) 16 one end are connected with primary cable 14, other end ground connection, and Transient Voltage Suppressor (TVS) 16 forms in parallel with low resistance 17.
Ground connection aluminium cover 13 is fixed on the earth terminal of insulated tension pole body 10, and is connected with the earth terminal inserts 102 of insulated tension pole body 10.The outgoing line part of ground connection aluminium cover 13 parcel primary cables 14 on insulated tension pole body 10, and be connected with earth connection 15, equipment and the person are played to protective action.
Ground connection after earth connection 15 is connected with the earth terminal of ground connection aluminium cover 13, Transient Voltage Suppressor (TVS) 16 simultaneously, plays protective action to equipment and the person.
Wherein, ground connection aluminium cover 13,16 pairs of equipment of Transient Voltage Suppressor (TVS) and the person play protective action.
According to above connection, high voltage resistor 11 forms series circuit, another termination high pressure of high voltage resistor 11, the other end ground connection of low resistance 17 with low resistance 17; Transient Voltage Suppressor (TVS) 16 is in parallel with low resistance 17.According to electric resistance partial pressure principle, the resistance ratio according to high voltage resistor 11 with low resistance 17, the two ends output of low resistance 17 can be used for the low voltage signal U. that intelligent control module detects
Wherein, can, according to the parameter request of the applied high pressure of voltage sensor formula insulated tension pole and low pressure, select high voltage resistor 11 and low resistance 17, make its output meet the low voltage signal U. of intelligent control module demand
To sum up, the voltage sensor formula insulated tension pole of the present embodiment, is on the basis of tradition insulation operation pull bar, has increased the function of resistance-type voltage sensor, high voltage is converted to the detectable low voltage signal of intelligent control module, structure and line that simultaneously can simplified intelligent high voltage switchgear.It is simple in structure, and cost is lower, and it is convenient to install with line, and is conducive to high voltage switchgear and realizes various intelligent protection functions.
Although the utility model with preferred embodiment openly as above; but it is not for limiting the utility model; any those skilled in the art are not departing from spirit and scope of the present utility model; can make possible variation and amendment; therefore the scope that, protection range of the present utility model should be defined with the utility model claim is as the criterion.
Claims (5)
1. the insulated tension pole for in-built electrical resistive voltage sensor, comprise insulated tension pole body (10), insulated tension pole body (10) two ends are respectively arranged with high-pressure side inserts (101) and earth terminal inserts (102), it is characterized in that: in described insulated tension pole body (10), be packaged with high voltage resistor (11), one end of high voltage resistor (11) is fixed on the high-pressure side inserts (101) of insulated tension pole body (10), the other end is connected by primary cable (14) low resistance (17) one end outside with being arranged on insulated tension pole body (10) of drawing from the earth terminal of insulated tension pole body (10), low resistance (17) other end ground connection, on low resistance (17), be also parallel with a Transient Voltage Suppressor (16).
2. a kind of insulated tension pole for in-built electrical resistive voltage sensor according to claim 1, it is characterized in that: on the earth terminal of described insulated tension pole body (10), be also provided with ground connection aluminium cover (13), ground connection aluminium cover (13) parcel primary cable (14) is also connected with ground connection nest (102), and ground connection aluminium cover (13) is by earth lead (15) ground connection.
3. a kind of insulated tension pole for in-built electrical resistive voltage sensor according to claim 1, is characterized in that: described high voltage resistor (11) is fixed in insulated tension pole body (10) by mixing casting glue (12).
4. a kind of insulated tension pole for in-built electrical resistive voltage sensor according to claim 1, is characterized in that: the High-Voltage Insulation operation pull bar that described insulated tension pole body (10) is high tensile load, antitorque moment of torsion.
5. a kind of insulated tension pole for in-built electrical resistive voltage sensor according to claim 3, is characterized in that: described mixing casting glue (12) is for having the flexible resin glue of low mixing viscosity, high dielectric strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110419.8U CN203706917U (en) | 2014-03-12 | 2014-03-12 | Insulating pull rod for built-inresistor-typevoltage sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420110419.8U CN203706917U (en) | 2014-03-12 | 2014-03-12 | Insulating pull rod for built-inresistor-typevoltage sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203706917U true CN203706917U (en) | 2014-07-09 |
Family
ID=51057318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420110419.8U Expired - Lifetime CN203706917U (en) | 2014-03-12 | 2014-03-12 | Insulating pull rod for built-inresistor-typevoltage sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203706917U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854885A (en) * | 2014-03-12 | 2014-06-11 | 库柏爱迪生(平顶山)电子科技有限公司 | Insulating draw rod used for built-in resistor type voltage sensor |
-
2014
- 2014-03-12 CN CN201420110419.8U patent/CN203706917U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103854885A (en) * | 2014-03-12 | 2014-06-11 | 库柏爱迪生(平顶山)电子科技有限公司 | Insulating draw rod used for built-in resistor type voltage sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160826 Address after: 201201 Shanghai City victory Pudong New Area Heqing Town Road No. 955 building B Patentee after: COOPER ELECTRONIC TECHNOLOGIES (SHANGHAI) Co.,Ltd. Patentee after: Cooper Edison (Pingdingshan) Electronic Technology Co.,Ltd. Address before: 467000 science and technology building, Xinhua Development Zone, Gaoyang Road, Henan, Pingdingshan Patentee before: Cooper Edison (Pingdingshan) Electronic Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |