CN202126458U - Voltage sensor with shielding cable - Google Patents
Voltage sensor with shielding cable Download PDFInfo
- Publication number
- CN202126458U CN202126458U CN201120204474XU CN201120204474U CN202126458U CN 202126458 U CN202126458 U CN 202126458U CN 201120204474X U CN201120204474X U CN 201120204474XU CN 201120204474 U CN201120204474 U CN 201120204474U CN 202126458 U CN202126458 U CN 202126458U
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- shielded cable
- electrode
- voltage sensor
- voltage
- insulator
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Abstract
The utility model discloses a voltage sensor with a shielding cable, which comprises a high voltage electrode, an insulator, a grounding shielding electrode, a voltage sensing electrode, a connector and the shielding cable. The insulator is sleeved on the periphery of the high voltage electrode, one end of the insulator is connected with the grounding shielding electrode, and an opening corresponding to the connector is arranged on the grounding shielding electrode. The voltage sensing electrode is embedded in the insulator, the axis of the voltage sensing electrode is opposite to the axis of the high voltage electrode, the opening end of the voltage sensing electrode is connected with one end of the connector, and the other end of the connector penetrates through the opening of the grounding shielding electrode to be connected with the shielding cable. The voltage sensor with the shielding cable is safe in high voltage signals, accurate in measurement and convenient to display. The product of the voltage sensor has the advantages of being simple in structure, high in reliability, small in volume, convenient to install and the like.
Description
Technical field
The utility model relates to voltage sensor, relates in particular to a kind of voltage sensor of band shielded cable of voltage measurement system of the 10-35kV of being used for power equipment.
Background technology
Traditional electromagnetic potential transformer is the transformer of a low capacity in itself; Partly form by high pressure winding, low pressure winding and iron core etc.; Though have the big advantage of output capacity, also have shortcomings such as complex structure, cost are high, easily ferroresonance, secondary output taking place can not short circuit, poor linearity.
Fast development along with electronic technology and digital technology; Traditional electromagnetic potential measurement mechanism and display device are replaced by advanced person's digital electric pressure measuring device and display device gradually, and new digital formula voltage measuring apparatus and display device do not need jumbo voltage input signal.Therefore; Traditional electromagnetic potential transformer and new digital formula voltage measuring apparatus and display device do not match on industrial grade; A kind of capacity simple in structure, miniature of market demand, cost is lower, volume is little, easy for installation, voltage sensor that the linearity is high, is used for the accurate measurement and the demonstration of high tension voltage signal.
Summary of the invention
In order to overcome the deficiency of prior art, though the utility model technical matters to be solved be to provide a kind of simple in structure, cost is low, ferroresonance can not take place, the voltage sensor of the linearity is high, secondary output short circuit also can not damage band shielded cable.
A kind of voltage sensor of the utility model with shielded cable; Said voltage sensor comprises high-field electrode, insulator, grounded shield electrode, voltage induced electrode, joint and shielded cable; Said insulator is sleeved on the high-field electrode periphery; Insulator one end connects the grounded shield electrode, and the grounded shield electrode is provided with the opening of corresponding joints; Said voltage induced electrode is inlayed and is located in the insulator, and its axle center is relative with the high-field electrode axle center, its openend jointing one end, and the joint other end connects shielded cable after being arranged in the grounded shield electrode opening.
Said voltage induced electrode is relative with the high-field electrode axle center, i.e. the axle center of voltage induced electrode or opposing parallel vertical relatively with the axle center of high-field electrode.
In the utility model, products such as said high-field electrode and high-tension apparatus sleeve pipe, separable connector (cable splice), insulator cap or insulation obstruction become one.Be products such as traditional high-tension apparatus sleeve pipe, separable connector (cable splice), insulator cap, insulation obstruction except have original be electrically connected and function such as insulating protection, also have the function of voltage induced simultaneously.
In the utility model, said shielded cable is terminal to be connected with digital electric pressure measuring device or display device through another joint.The voltage output signal of the voltage sensor of this belt transect shielded cable is input to digital electric pressure measuring device or display device through shielded cable.
Said joint is the connection terminal of plug-in or bolt type structure.Shielded cable one end is connected with the voltage induced electrode through joint, and the other end is connected with digital electric pressure measuring device or display device through joint.
Said joint is external surface grounded.
The external shielding layer of said shielded cable and grounded shield electrode all keeps ground connection, so the voltage signal of voltage sensor output can not receive outside electromagnetic interference.
Said shielded cable is concentric cable or shielding wire.
Said high-field electrode and voltage induced electrode are the assembly goods of metallic material product, semiconduction non-metallic material material products or metal material and semiconduction nonmetallic materials.
Said insulator is solid material goods such as resin or rubber.
Said grounded shield electrode is metal material or semiconduction non-metallic material material products.
The formula design because products such as high-field electrode in the voltage sensor of the utility model and high-tension apparatus sleeve pipe, separable connector (cable splice), insulator cap or insulation obstruction become one; Make the utility model not only have traditional being electrically connected and function such as insulating protection, also have the function of voltage induced; In the utility model; Voltage output signal is connected with suitable digital electric pressure measuring device or display device through shielded cable, so even that the voltage sensor of the utility model has is simple in structure, cost is low, ferroresonance can not take place, linearity height, secondary are exported advantages such as short circuit can not damage yet.
Adopt the voltage sensor of the band shielded cable of the utility model, the high tension voltage signals security is measured accurately, and it is convenient to show; That the product of the utility model also has is simple in structure, reliability is high, volume is little, advantage such as easy for installation.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation:
Fig. 1 is the voltage sensor of the utility model band shielded cable and the structural representation that insulator cap becomes one;
Fig. 2 is the voltage sensor of the utility model band shielded cable and the structural representation that the high-tension apparatus sleeve pipe becomes one;
Fig. 3 is the voltage sensor of the utility model band shielded cable and the structural representation that separable connector becomes one;
Fig. 4 is that the utility model stops up the structural representation that product becomes one with insulation;
Wherein, 1: high-field electrode; 2: insulator; 3: the grounded shield electrode; 4: the voltage induced electrode; 5: joint; 51: the opening of joint; 6: shielded cable.
Embodiment
Shown in one of Fig. 1 to Fig. 4; The utility model comprises high-field electrode 1, insulator 2, grounded shield electrode 3, voltage induced electrode 4, joint 5 and shielded cable 6; Said insulator 2 is sleeved on high-field electrode 1 periphery; Insulator 2 one ends connect grounded shield electrode 6, and grounded shield electrode 3 is provided with the opening 51 of corresponding joints 5; Said voltage induced electrode 4 is inlayed and is located in the insulator 2, and its axle center is relative with high-field electrode 1 axle center, and its openend jointing 5 one ends, joint 5 other ends are arranged in grounded shield electrode opening 51 backs and connect shielded cable 6.
Said voltage induced electrode 4 is relative with high-field electrode 1 axle center, i.e. the axle center of voltage induced electrode 4 or opposing parallel vertical relatively with the axle center of high-field electrode 1.
In the utility model, said high-field electrode 1 becomes one with products such as high-tension apparatus sleeve pipe 11, separable connector (cable splice) 12, insulator cap 13 or insulation obstructions 14.Adopt such structure; Make the voltage sensor of the utility model not only have functions such as being electrically connected of products such as traditional high-tension apparatus sleeve pipe, separable connector (cable splice), insulator cap, insulation obstruction and insulating protection, also have the function of voltage induced simultaneously.
In the utility model, said shielded cable 6 terminal another joints 7 that pass through are connected with digital electric pressure measuring device or display device 8.The voltage output signal of the voltage sensor of this belt transect shielded cable is input to digital electric pressure measuring device or display device 8 through shielded cable 6.
Said joint 5 is the connection terminal of plug-in or bolt type structure.Shielded cable 6 one ends are connected with voltage induced electrode 4 through joint 5, and the other end is connected 8 through another joint 7 with digital electric pressure measuring device or display device.
Said joint 5 is external surface grounded.
Said shielded cable 6 all keeps ground connection with the external shielding layer of grounded shield electrode 3, so the voltage signal of voltage sensor output can not receive outside electromagnetic interference.
Said shielded cable 6 is concentric cable or shielding wire.
Said high-field electrode 1 is the assembly goods of metallic material product, semiconduction non-metallic material material products or metal material and semiconduction nonmetallic materials with voltage induced electrode 4.
Said insulator 2 is solid material goods such as resin or rubber.
Said grounded shield electrode 3 is metal material or semiconduction non-metallic material material products.
When high-field electrode 1 with after the high-pressure system of power equipment is connected, on voltage induced electrode 4, induce low-voltage signal according to the capacitance partial pressure principle.Because the physical dimension of high-field electrode 1, insulator 2, voltage induced electrode 4 remains unchanged, so the magnitude of voltage on magnitude of voltage on the high-field electrode 1 and the voltage induced electrode 4 keeps linear relationship accurately.Voltage induced electrode 4 through joint 5 and shielded cable 6 to digital electric pressure measuring device or display device 8 output voltage signals.
Claims (10)
1. voltage sensor with shielded cable; It is characterized in that: said voltage sensor comprises high-field electrode, insulator, grounded shield electrode, voltage induced electrode, joint and shielded cable; Said insulator is sleeved on the high-field electrode periphery; Insulator one end connects the grounded shield electrode, and the grounded shield electrode is provided with the opening of corresponding joints; Said voltage induced electrode is inlayed and is located in the insulator, and its axle center is relative with the high-field electrode axle center, its openend jointing one end, and the joint other end connects shielded cable after being arranged in the grounded shield electrode opening.
2. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: said high-field electrode and high-tension apparatus sleeve pipe, separable connector, insulator cap or insulation are stopped up and are become one.
3. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: said shielded cable is terminal to be connected with digital electric pressure measuring device or display device through another joint.
4. according to claim 1 or 3 described a kind of voltage sensors with shielded cable, it is characterized in that: said joint is the connection terminal of plug-in or bolt type structure.
5. a kind of voltage sensor with shielded cable according to claim 4, it is characterized in that: said joint is external surface grounded.
6. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: the external shielding layer of said shielded cable and grounded shield electrode all keeps ground connection.
7. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: said shielded cable is concentric cable or shielding wire.
8. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: said high-field electrode and voltage induced electrode are the assembly goods of metallic material product, semiconduction non-metallic material material products or metal material and semiconduction nonmetallic materials.
9. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: said insulator is resin or rubber.
10. a kind of voltage sensor with shielded cable according to claim 1 is characterized in that: said grounded shield electrode is metal material or semiconduction non-metallic material material products.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120204474XU CN202126458U (en) | 2011-06-14 | 2011-06-14 | Voltage sensor with shielding cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120204474XU CN202126458U (en) | 2011-06-14 | 2011-06-14 | Voltage sensor with shielding cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202126458U true CN202126458U (en) | 2012-01-25 |
Family
ID=45489524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120204474XU Expired - Lifetime CN202126458U (en) | 2011-06-14 | 2011-06-14 | Voltage sensor with shielding cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202126458U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871816A (en) * | 2012-12-17 | 2014-06-18 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Sensor used for matcher, matcher with sensor and plasma equipment with matcher |
| CN105186436A (en) * | 2014-06-23 | 2015-12-23 | 江苏澳能电力电缆附件有限公司 | Novel insulation protection cap |
| CN111830313A (en) * | 2020-07-07 | 2020-10-27 | 国网福建省电力有限公司电力科学研究院 | Transient overvoltage broadband monitoring system for modular multilevel converter |
-
2011
- 2011-06-14 CN CN201120204474XU patent/CN202126458U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103871816A (en) * | 2012-12-17 | 2014-06-18 | 北京北方微电子基地设备工艺研究中心有限责任公司 | Sensor used for matcher, matcher with sensor and plasma equipment with matcher |
| CN105186436A (en) * | 2014-06-23 | 2015-12-23 | 江苏澳能电力电缆附件有限公司 | Novel insulation protection cap |
| CN111830313A (en) * | 2020-07-07 | 2020-10-27 | 国网福建省电力有限公司电力科学研究院 | Transient overvoltage broadband monitoring system for modular multilevel converter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350002 Fuzhou, Cangshan Jinshan Industrial Zone, Jinzhou Road North Patentee after: CEEPOWER Co.,Ltd. Address before: 350002 Fuzhou, Cangshan Jinshan Industrial Zone, Jinzhou Road North Patentee before: Fujian CEE Installation Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |
|
| CX01 | Expiry of patent term |