CN201796107U - Portable electricity detection device for electric cable and sensor - Google Patents
Portable electricity detection device for electric cable and sensor Download PDFInfo
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- CN201796107U CN201796107U CN2010202260937U CN201020226093U CN201796107U CN 201796107 U CN201796107 U CN 201796107U CN 2010202260937 U CN2010202260937 U CN 2010202260937U CN 201020226093 U CN201020226093 U CN 201020226093U CN 201796107 U CN201796107 U CN 201796107U
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Abstract
The utility model relates to a portable electricity detection device for an electric cable. The device comprises a sensor and a disposer. The sensor arranged on the electric cable skin is used for collecting electrical signals of the electric cable; the disposer connected with the sensor is used for processing the electrical signals of the electric cable collected by the sensor and displaying processing results; the degree of crook of an arc-shaped main body of the sensor is matched with the shape of the electric cable; an adsorption device is arranged on one side of the sensor connected with the electric cable; and the adsorption device is connected with the electric cable in an adsorption manner. Since the arc-shaped sensor is clung to the electric cable skin, weak electrical signals of the electric cable can be measured, the strength of signals acquisition is increased, the influence of the interfering signals is reduced, and the electricity detection efficiency for the electric cable is further improved.
Description
Technical field
The utility model relates to the cable detection technical field, particularly a kind of portable cable electroscopic device and sensor.
Background technology
The power cable of present domestic 10KV/35kV electric pressure and following grade is laid on underground mostly, though saved the space of laying on the ground, in process of deployment or in the later detection maintenance process, obtaining of power cable electriferous state caused certain difficulty.
The condenser type electroscopic device of existing detection power cable electriferous state can be arranged on outside the safe distance of electrified body, by the principle of capacitive sensing, obtains the electriferous state of electrified body, and is presented on the display screen and monitors in real time for the user.
But existing cable is most of to be insulation armouring sheath power cable.Because it has insulation and extremely strong shielding action, the inventor finds that existing condenser type electroscopic device can't detect the electriferous state on this cable.
The utility model content
Fundamental purpose of the present utility model provides a kind of portable cable electroscopic device and sensor, is intended to solve the electrical verification problem of insulation sheathed cable, improves the electrical verification efficient of cable.
The utility model provides a kind of portable cable electroscopic device, comprising:
Sensor, body is curved, and the shape of its degree of crook and cable is adaptive, is arranged on the cable epidermis, gathers the electric signal of cable;
Processor is connected with sensor, the electric signal of the cable of sensor acquisition handled, and the display process result.
Preferably, the side that the sensor is connected with cable is provided with adsorbent equipment, is connected with cable absorption.
Preferably, the sensor inside comprises the metal level of induced signal and the insulation course of protection metal level.
Preferably, above-mentioned processor comprises:
Amplifying circuit is connected with sensor, and the electric signal of the cable of sensor acquisition is carried out processing and amplifying, obtains amplification signal;
Modulate circuit is connected with amplifying circuit, and amplification signal is carried out signal condition, obtains the conditioning electric signal;
Display circuit is connected with modulate circuit, and the conditioning electric signal is shown.
Preferably, above-mentioned processor also comprises lightning protection circuit, overvoltage crowbar, clamping protective circuit, and wherein said lightning protection circuit, overvoltage crowbar are connected in turn between sensor and the described amplifying circuit; Described clamping protective circuit is connected between amplifying circuit and the modulate circuit.
The present invention also provides a kind of portable cable electrical verification sensor, and wherein, the body of this sensor is curved, and the shape of its degree of crook and cable is adaptive, and sensor is arranged on the cable epidermis, gathers the electric signal of cable.
Preferably, the sensor inside comprises the metal level of induced signal and the insulation course of protection metal level.
Preferably, the side that the sensor is connected with cable is provided with adsorbent equipment, is connected with cable absorption.
Preferably, also be provided with hand held structures on the body of the sensor.
The utility model is close on the cable epidermis by the arc sensor, not only can measure the faint electric signal of cable, and increase signals collecting intensity, has reduced the influence of undesired signal, has further improved the electrical verification efficient of cable.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model portable cable electroscopic device;
Fig. 2 is the structural representation of sensor in the foregoing description;
Fig. 3 is the cut-away view of sensor in the foregoing description;
Fig. 4 is the structural drawing of processor in the foregoing description.
The realization of the utility model purpose, functional characteristics and advantage will be in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Fig. 1 is the structural representation of a kind of embodiment of the utility model portable cable electroscopic device.
Present embodiment portable cable electroscopic device comprises:
Fig. 2 is the structural representation of sensor in the foregoing description.
The body 11 of sensor 10 is curved, and the shape of its degree of crook and cable is adaptive.In an example, this body 11 can be the elasticity setting, goes for the cable of all size within the specific limits.When sensor 10 was arranged on the cable epidermis, elastic deformation took place in the two ends of arc body 11, made its radian become big.After treating that sensor 10 sets, elasticity is recovered at the two ends of arc body, makes this sensor 10 can be close on the epidermis of cable, further improves the ability that sensor 10 is gathered the electric signal of cable.The side surface 111 that sensor 10 is connected with cable also can be coarse setting, makes when sensor 10 is arranged on the cable, is difficult for landing because of the friction on surface.
The side surface 111 that the sensor 10 is connected with cable can also be provided with the adsorbent equipment (not shown).For example, adsorbent equipment can be vacuum cup.And the number of this vacuum cup can be one or more, is distributed in a side of sensor 10 equably.By vacuum cup, can be so that sensor 10 places on the cable securely.Every adsorbent equipment of being connected between sensor 10 and the cable can reinforced is all within protection domain of the present utility model.
The sensor 10 also comprises hand held structures 112.This hand held structures 112 is arranged on the body, can be domes, also can be raised structures.Every hand held structures of user's gripping of being convenient to is all within protection domain of the present utility model.
Fig. 3 is the cut-away view of sensor in the foregoing description.
Fig. 4 is the structural representation of processor in the foregoing description.
Amplifying circuit 21 is connected with sensor 10, and the electric signal of the cable that sensor 10 is gathered carries out processing and amplifying, obtains amplification signal;
Above-mentioned amplifying circuit 21 can comprise other amplifying circuits such as integrated operational amplifier circuit or differential amplifier circuit.Because cable when transmission signals, can produce faint electromagnetic field signal or high frequency radiation signal.Therefore, the electric signal that collects of sensor 10 must amplify it through amplifying circuit 21.
The circuit of 22 pairs of amplifying circuits 21 of above-mentioned modulate circuit is nursed one's health, and the amplification signal that amplifying circuit 21 is produced is transformed to and is used for data acquisition, control procedure, execution and calculates and show and read and the digital signal of other purposes.
Above-mentioned processor 20 also comprises holding circuit.This holding circuit comprises lightning protection circuit 24, overvoltage crowbar 25 and clamping protective circuit 26.Lightning protection circuit 24 and overvoltage crowbar 25 are connected in turn between sensor 10 and the amplifying circuit 21, are used for preventing breaking, send the grid switching operation of electricity or thunder and lightning and make acquired signal become unusual big and burn out the electronic component of circuit.Clamping protective circuit 26 is connected between amplifying circuit 21 and the modulate circuit 22, and the clamp voltage that is used to protect previous circuit to produce is excessive and damage electronic component.
The utility model is close on the cable epidermis by the arc sensor, not only can measure the faint electric signal of cable, and increase signals collecting intensity, has reduced the influence of undesired signal, has further improved the electrical verification efficient of cable.
The above only is a preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (9)
1. a portable cable electroscopic device is characterized in that, comprising:
Sensor, the body of described sensor is curved, and the shape of its degree of crook and cable is adaptive, is arranged on the cable epidermis, gathers the electric signal of cable;
Processor is connected with sensor, the electric signal of the cable of sensor acquisition handled, and the display process result.
2. portable cable electroscopic device according to claim 1 is characterized in that, the side that described sensor is connected with cable is provided with adsorbent equipment, is connected with cable absorption.
3. portable cable electroscopic device according to claim 1 and 2 is characterized in that, described sensor internal comprises the metal level of induced signal and the insulation course of protection metal level.
4. portable cable electroscopic device according to claim 1 is characterized in that, described processor comprises:
Amplifying circuit is connected with sensor, and the electric signal of the cable of sensor acquisition is carried out processing and amplifying, obtains amplification signal;
Modulate circuit is connected with amplifying circuit, and amplification signal is carried out signal condition, obtains the conditioning electric signal;
Display circuit is connected with modulate circuit, and the conditioning electric signal is shown.
5. portable cable electroscopic device according to claim 4, it is characterized in that, described processor also comprises lightning protection circuit, overvoltage crowbar, clamping protective circuit, and wherein said lightning protection circuit, overvoltage crowbar are connected in turn between sensor and the described amplifying circuit; Described clamping protective circuit is connected between amplifying circuit and the modulate circuit.
6. a portable cable electrical verification sensor is characterized in that the body of described sensor is curved, and the shape of its degree of crook and cable is adaptive, and described sensor is arranged on the cable epidermis, gathers the electric signal of cable.
7. portable cable electrical verification sensor according to claim 6 is characterized in that, described sensor internal comprises the metal level of induced signal and the insulation course of protection metal level.
8. portable cable electrical verification sensor according to claim 7 is characterized in that the side that described sensor is connected with cable is provided with adsorbent equipment, is connected with cable absorption.
9. described according to Claim 8 portable cable electrical verification sensor is characterized in that, also is provided with hand held structures on the body of described sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202260937U CN201796107U (en) | 2010-06-13 | 2010-06-13 | Portable electricity detection device for electric cable and sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202260937U CN201796107U (en) | 2010-06-13 | 2010-06-13 | Portable electricity detection device for electric cable and sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201796107U true CN201796107U (en) | 2011-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202260937U Expired - Fee Related CN201796107U (en) | 2010-06-13 | 2010-06-13 | Portable electricity detection device for electric cable and sensor |
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| CN (1) | CN201796107U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717150A (en) * | 2018-05-11 | 2018-10-30 | 咸亨国际（杭州）电气制造有限公司 | A kind of Portable electricity detection device for electric cable and its method |
| CN110261744A (en) * | 2019-06-25 | 2019-09-20 | 深圳供电局有限公司 | Partial discharge detection device |
| CN110554290A (en) * | 2019-10-22 | 2019-12-10 | 广东电网有限责任公司 | Cable insulation state monitoring device and monitoring method based on state perception |
| CN111781472A (en) * | 2020-07-16 | 2020-10-16 | 广东电网有限责任公司 | Built-in detection device for detecting partial discharge and installation method thereof |
| CN111856123A (en) * | 2020-08-31 | 2020-10-30 | 中国电建集团福建工程有限公司 | Electricity test paster with double check |
-
2010
- 2010-06-13 CN CN2010202260937U patent/CN201796107U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108717150A (en) * | 2018-05-11 | 2018-10-30 | 咸亨国际（杭州）电气制造有限公司 | A kind of Portable electricity detection device for electric cable and its method |
| CN108717150B (en) * | 2018-05-11 | 2020-06-26 | 咸亨国际（杭州）电气制造有限公司 | Portable cable electricity testing device and method thereof |
| CN110261744A (en) * | 2019-06-25 | 2019-09-20 | 深圳供电局有限公司 | Partial discharge detection device |
| CN110261744B (en) * | 2019-06-25 | 2021-08-31 | 深圳供电局有限公司 | Partial discharge detection device |
| CN110554290A (en) * | 2019-10-22 | 2019-12-10 | 广东电网有限责任公司 | Cable insulation state monitoring device and monitoring method based on state perception |
| CN110554290B (en) * | 2019-10-22 | 2024-05-24 | 广东电网有限责任公司 | Cable insulation state monitoring device and monitoring method based on state sensing |
| CN111781472A (en) * | 2020-07-16 | 2020-10-16 | 广东电网有限责任公司 | Built-in detection device for detecting partial discharge and installation method thereof |
| CN111856123A (en) * | 2020-08-31 | 2020-10-30 | 中国电建集团福建工程有限公司 | Electricity test paster with double check |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110413 Termination date: 20160613 |
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| CF01 | Termination of patent right due to non-payment of annual fee |