CN203881898U - Movable type insulation monitoring device applied to direct current system loop circuit - Google Patents
Movable type insulation monitoring device applied to direct current system loop circuit Download PDFInfo
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- CN203881898U CN203881898U CN201420237019.3U CN201420237019U CN203881898U CN 203881898 U CN203881898 U CN 203881898U CN 201420237019 U CN201420237019 U CN 201420237019U CN 203881898 U CN203881898 U CN 203881898U
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- circuit
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- monitoring device
- insulation monitoring
- current system
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- 238000009413 insulation Methods 0.000 title claims abstract description 32
- 238000012806 monitoring device Methods 0.000 title claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 abstract description 10
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
The utility model discloses a movable type insulation monitoring device applied to a direct current system loop circuit. The movable type insulation monitoring device comprises a first processor and an open type current transformer, wherein the first processor is respectively connected with a line selection circuit, a bus connection interface, a resistor control circuit, a voltage collection circuit and a display, wherein the line selection circuit is connected with the open type current transformer. According to the movable type insulation monitoring device, the open type current transformer is adopted, and the open type current transformer can be operated in an electrified manner; thus, when the insulation monitoring device needs to be moved and mounted elsewhere, electric power of a direct current system of a transformer station does not need to be cut, direct live-line operation can be realized, influence exerted on direct current system operation can be greatly reduced, and normal electricity consumption of users cannot be affected. The movable type insulation monitoring device applied to the direct current system loop circuit in the utility model can be widely applied to the field of direct current system monitoring.
Description
Technical field
The utility model relates to the monitoring equipment of straight-flow system, relates in particular to a kind of mobile insulation monitoring device for direct-current system loop.
Background technology
In order to guarantee the reliability and stability of transformer station direct current system work, whether staff can adopt the insulation monitoring and warning device of straight-flow system to monitor this straight-flow system and break down, as loop is altered electric fault etc., can obtain thus, the insulation monitoring and warning device of straight-flow system is one of requisite equipment in transformer station direct current system.For the insulation monitoring and warning device of traditional straight-flow system, it comprises finding circuit, and described finding circuit is to be electrically connected to by the current transformer of closed loop and then with DC feeder, therefore, when needs are arranged on other places by insulation monitoring and warning device, after needing transformer station direct current system to have a power failure, the current transformer of closed loop could be removed from DC feeder, so not only can affect the operation of straight-flow system, but also meeting shadow user's normal electricity consumption.
Utility model content
In order to solve the problems of the technologies described above, the purpose of this utility model is to provide a kind of mobile insulation monitoring device for direct-current system loop.
The technical scheme that the utility model adopts is: a kind of mobile insulation monitoring device for direct-current system loop, it comprises first processor and open type current transformer, described first processor is connected with respectively finding circuit, bus connecting interface, resistance control circuit, voltage collection circuit and display, and described finding circuit is connected with open type current transformer.
Further, described open type current transformer comprises upper shell, lower house, is arranged on the upper core in upper shell and is arranged on the lower core in lower house, described upper shell is connected with lower house, and described upper shell and lower house form framework, in described framework, are provided with copper bar; The top of described upper shell is provided with the first tight lock ring and connection terminal, and described connection terminal is arranged on the top of the first tight lock ring, and the both sides of described upper shell are provided with the second tight lock ring, and the described second tight lock ring is provided with the screw for being connected with copper bar; On described upper core, be wound with enameled wire, the two ends of described enameled wire are connected with connection terminal respectively.
Further, the bottom surface of described lower house is provided with installing plate, and the area of described installing plate is greater than the area of the bottom surface of lower house, and the edge of described installing plate is provided with mounting hole.
Further, described finding circuit comprises the second processor and the first analog to digital converter, and described the second processor is connected with first processor, and described the second processor is connected with open type current transformer by the first analog to digital converter.
Further, between described the first analog to digital converter and open type current transformer, be connected with signal processing circuit, described signal processing circuit comprises filtering circuit and signal amplification circuit, and described open type current transformer is connected with the first analog to digital converter with signal amplification circuit by filtering circuit successively.
Further, described finding circuit also comprises signal calibration circuit, and described open type current transformer is connected with the second processor by signal calibration circuit.
Further, described resistance control circuit comprises first control circuit and resistor bridge device, described first processor is connected with resistor bridge device by first control circuit, described voltage collection circuit comprises voltage acquisition interface and the second analog to digital converter, and described voltage acquisition interface is connected with first processor by the second analog to digital converter.
Further, described first control circuit comprises the first driving circuit and the first relay, and described first processor is connected with resistor bridge device with the first relay by the first driving circuit successively.
Further, described resistance control circuit comprises second control circuit and adjustable resistor, and described first processor is connected with adjustable resistor by second control circuit.
The beneficial effects of the utility model are: due to insulation monitoring and warning device of the present utility model adopted can hot line job open type current transformer realize, therefore, when needs move insulation monitoring and warning device while being arranged on other places, need open type current transformer when DC feeder removes or current transformer installed and be connected with DC feeder, without transformer station direct current system is had a power failure, so greatly reduce the impact on straight-flow system operation, but also do not affect user's normal electricity consumption.
Further, the bottom surface of described open type current transformer lower house is provided with installing plate, and described installing plate is provided with mounting hole, therefore, can be convenient to like this staff open type current transformer is fixedly installed on other carrier.And described installing plate also have simple in structure, be easy to the advantages such as realization.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further:
Fig. 1 is the circuit structure block diagram of a kind of mobile insulation monitoring device for direct-current system loop of the utility model;
Fig. 2 is the structural representation of a kind of mobile insulation monitoring device split shed formula current transformer for direct-current system loop of the utility model;
Fig. 3 is the upper core structural representation of a kind of mobile insulation monitoring device split shed formula current transformer for direct-current system loop of the utility model.
1, the first link; 2, the second link; 3, upper shell; 4, lower house; 5, lower core; 6, the first tight lock ring; 7, the second tight lock ring; 8, upper core; 9, enameled wire.
Embodiment
A kind of mobile insulation monitoring device for direct-current system loop, it comprises first processor and open type current transformer, described first processor is connected with respectively finding circuit, bus connecting interface, resistance control circuit, voltage collection circuit and display, and described finding circuit is connected with open type current transformer.
Be further used as preferred embodiment, described open type current transformer comprises upper shell, lower house, is arranged on the upper core in upper shell and is arranged on the lower core in lower house, described upper shell is connected with lower house, described upper shell and lower house form framework, in described framework, are provided with copper bar; The top of described upper shell is provided with the first tight lock ring and connection terminal, and described connection terminal is arranged on the top of the first tight lock ring, and the both sides of described upper shell are provided with the second tight lock ring, and the described second tight lock ring is provided with the screw for being connected with copper bar; On described upper core, be wound with enameled wire, the two ends of described enameled wire are connected with connection terminal respectively.
Be further used as preferred embodiment, the bottom surface of described lower house is provided with installing plate, and the area of described installing plate is greater than the area of the bottom surface of lower house, and the edge of described installing plate is provided with mounting hole.
Be further used as preferred embodiment, described finding circuit comprises the second processor and the first analog to digital converter, and described the second processor is connected with first processor, and described the second processor is connected with open type current transformer by the first analog to digital converter.Described open type current transformer is data upload to the second processor collecting, and on described the second processor, this data upload, to first processor, and makes display that these data are shown.
Be further used as preferred embodiment, between described the first analog to digital converter and open type current transformer, be connected with signal processing circuit, described signal processing circuit comprises filtering circuit and signal amplification circuit, and described open type current transformer is connected with the first analog to digital converter with signal amplification circuit by filtering circuit successively.
Be further used as preferred embodiment, described finding circuit also comprises signal calibration circuit, and described open type current transformer is connected with the second processor by signal calibration circuit.
Be further used as preferred embodiment, described resistance control circuit comprises first control circuit and resistor bridge device, described first processor is connected with resistor bridge device by first control circuit, described voltage collection circuit comprises voltage acquisition interface and the second analog to digital converter, and described voltage acquisition interface is connected with first processor by the second analog to digital converter.
Be further used as preferred embodiment, described first control circuit comprises the first driving circuit and the first relay, and described first processor is connected with resistor bridge device with the first relay by the first driving circuit successively.During use, one end of link between the first driving circuit and the first relay and resistor bridge device is connected in the circuit of straight-flow system, when first processor output voltage, described the first driving circuit is by the Voltage-output of first processor output, thereby drive the switch of the first relay closed, so just, make to use in the circuit of resistor bridge device access straight-flow system, otherwise, when first processor does not have output voltage, the switch of the first relay just can disconnect, and described like this resistor bridge device does not access in the circuit of straight-flow system and uses.The other end of described resistor bridge device is connected with the first relay.
Be further used as preferred embodiment, described resistance control circuit comprises second control circuit and adjustable resistor, and described first processor is connected with adjustable resistor by second control circuit.Described second control circuit comprises the second driving circuit and the second relay, and described first processor is connected with adjustable resistor with the second relay by the second driving circuit successively.In like manner, during use, one end of link between the second driving circuit and the second relay and adjustable resistor is connected in the circuit of straight-flow system, when first processor output voltage, described the second driving circuit is by the Voltage-output of first processor output, thereby drive the switch of the second relay closed, so just, make to use in the circuit of adjustable resistor access straight-flow system, otherwise, when first processor does not have output voltage, the switch of the second relay just can disconnect, and described like this adjustable resistor does not access in the circuit of straight-flow system and uses.The other end of described adjustable resistor is connected with the second relay.
In addition, described first processor also can be connected with alarm module and button.Described alarm module is LED lamp or speech player.
Specific embodiment of the utility model
As shown in Figure 1, a kind of mobile insulation monitoring device for direct-current system loop, it comprises first processor and open type current transformer, described first processor is connected with respectively finding circuit, bus connecting interface, resistance control circuit, voltage collection circuit and display, and described finding circuit is connected with open type current transformer;
Described finding circuit comprises the second processor, the first analog to digital converter, signal processing circuit and signal calibration circuit, described the second processor is connected with signal calibration circuit with the first analog to digital converter respectively, described the first analog to digital converter is connected with open type current transformer by signal processing circuit, and described signal calibration circuit is connected with open type current transformer;
Described signal processing circuit comprises filtering circuit and signal amplification circuit, and described open type current transformer is connected with the first analog to digital converter with signal amplification circuit by filtering circuit successively;
Described resistance control circuit comprises first control circuit and resistor bridge device, described first processor is connected with resistor bridge device by first control circuit, and/or described resistance control circuit comprises second control circuit and adjustable resistor, described first processor is connected with adjustable resistor by second control circuit;
Described first control circuit comprises the first driving circuit and the first relay, and described first processor is connected with resistor bridge device with the first relay by the first driving circuit successively;
Described second control circuit comprises the second driving circuit and the second relay, and described first processor is connected with adjustable resistor with the second relay by the second driving circuit successively;
Described voltage collection circuit comprises voltage acquisition interface and the second analog to digital converter, and described voltage acquisition interface is connected with first processor by the second analog to digital converter.
Be further used as preferred embodiment, between described the second processor and first processor, adopt 485 buses to carry out communication and be connected.
In addition, for described finding circuit, it also can comprise display screen.
As shown in Figures 2 and 3, described open type current transformer comprises upper shell 3, lower house 4, is arranged on the upper core 8 in upper shell 3 and is arranged on the lower core 5 in lower house 4, described upper shell 3 is connected with lower house 4, preferably, between described upper shell 3 and lower house 4, can adopt hinged mode to couple together, or between described upper shell 3 and lower house 4 for removably connecting;
After described upper shell 3 and lower house 4 link together, form framework, in described framework, be provided with copper bar (not having demonstration in figure);
The top of described upper shell 3 is provided with the first tight lock ring 6 and connection terminal, described connection terminal comprises the first link 1 and the second link 2, described connection terminal is connected with finding circuit, described connection terminal is arranged on the top of the first tight lock ring 6, the both sides of described upper shell 3 are provided with the second tight lock ring 7, and the described second tight lock ring 7 is provided with the screw for being connected with copper bar;
On described upper core 8, be wound with enameled wire 9, the two ends of described enameled wire 9 respectively with the first link 1 and the corresponding connection of the second link 2.
Be further used as preferred embodiment, the bottom surface of described lower house 4 is provided with installing plate, and the area of described installing plate is greater than the area of the bottom surface of lower house 4, and the edge of described installing plate is provided with mounting hole.Because the bottom surface of lower house 4 is provided with installing plate, and be provided with mounting hole on the edge of installing plate, therefore, staff just can be by the mode of bolt or screw, open type current transformer setting is fixed on to other carrier, can obtains thus, such fixed installation structure is not only simple, and be easy to realize and operation, be convenient to staff open type current transformer is fixedly installed on other carrier.The place that described installing plate is provided with mounting hole is not covered by the bottom surface of lower house 3.
By above-mentioned, obtained, insulation monitoring and warning device of the present utility model has adopted open type current transformer, and described open type current transformer can hot line job, therefore, when needs move insulation monitoring and warning device while being arranged on other places, need open type current transformer when DC feeder removes or current transformer installed and be connected with DC feeder, without transformer station direct current system is had a power failure, directly hot line job, directly the opening of current transformer is opened and then current transformer is removed or installed, so greatly reduce the impact on straight-flow system operation, but also do not affect user's normal electricity consumption.
It should be noted that, the utility model only relates to structural improvement, do not relate to the improvement in method, although the first processor relating in the utility model and the second processor relate to the content of data transmission and demonstration, but it is all to adopt prior art means, in data processing method, does not have any improvement, therefore, the utility model does not relate to the improvement in the methods such as data processing, does not relate to the improvement on any software.
More than that better enforcement of the present utility model is illustrated, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to the utility model spirit, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (9)
1. the mobile insulation monitoring device for direct-current system loop, it is characterized in that: it comprises first processor and open type current transformer, described first processor is connected with respectively finding circuit, bus connecting interface, resistance control circuit, voltage collection circuit and display, and described finding circuit is connected with open type current transformer.
2. a kind of mobile insulation monitoring device for direct-current system loop according to claim 1, it is characterized in that: described open type current transformer comprises upper shell, lower house, is arranged on the upper core in upper shell and is arranged on the lower core in lower house, described upper shell is connected with lower house, described upper shell and lower house form framework, in described framework, are provided with copper bar; The top of described upper shell is provided with the first tight lock ring and connection terminal, and described connection terminal is arranged on the top of the first tight lock ring, and the both sides of described upper shell are provided with the second tight lock ring, and the described second tight lock ring is provided with the screw for being connected with copper bar; On described upper core, be wound with enameled wire, the two ends of described enameled wire are connected with connection terminal respectively.
3. a kind of mobile insulation monitoring device for direct-current system loop according to claim 2, it is characterized in that: the bottom surface of described lower house is provided with installing plate, the area of described installing plate is greater than the area of the bottom surface of lower house, and the edge of described installing plate is provided with mounting hole.
4. a kind of mobile insulation monitoring device for direct-current system loop according to claim 1, it is characterized in that: described finding circuit comprises the second processor and the first analog to digital converter, described the second processor is connected with first processor, and described the second processor is connected with open type current transformer by the first analog to digital converter.
5. a kind of mobile insulation monitoring device for direct-current system loop according to claim 4, it is characterized in that: between described the first analog to digital converter and open type current transformer, be connected with signal processing circuit, described signal processing circuit comprises filtering circuit and signal amplification circuit, and described open type current transformer is connected with the first analog to digital converter with signal amplification circuit by filtering circuit successively.
6. according to a kind of mobile insulation monitoring device for direct-current system loop described in claim 4 or 5, it is characterized in that: described finding circuit also comprises signal calibration circuit, described open type current transformer is connected with the second processor by signal calibration circuit.
7. a kind of mobile insulation monitoring device for direct-current system loop according to claim 1, it is characterized in that: described resistance control circuit comprises first control circuit and resistor bridge device, described first processor is connected with resistor bridge device by first control circuit, described voltage collection circuit comprises voltage acquisition interface and the second analog to digital converter, and described voltage acquisition interface is connected with first processor by the second analog to digital converter.
8. a kind of mobile insulation monitoring device for direct-current system loop according to claim 7, it is characterized in that: described first control circuit comprises the first driving circuit and the first relay, described first processor is connected with resistor bridge device with the first relay by the first driving circuit successively.
9. a kind of mobile insulation monitoring device for direct-current system loop according to claim 1, it is characterized in that: described resistance control circuit comprises second control circuit and adjustable resistor, described first processor is connected with adjustable resistor by second control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237019.3U CN203881898U (en) | 2014-05-09 | 2014-05-09 | Movable type insulation monitoring device applied to direct current system loop circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237019.3U CN203881898U (en) | 2014-05-09 | 2014-05-09 | Movable type insulation monitoring device applied to direct current system loop circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203881898U true CN203881898U (en) | 2014-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420237019.3U Expired - Lifetime CN203881898U (en) | 2014-05-09 | 2014-05-09 | Movable type insulation monitoring device applied to direct current system loop circuit |
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| CN (1) | CN203881898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873828A (en) * | 2018-08-31 | 2020-03-10 | 株洲中车时代电气股份有限公司 | DC circuit monitoring system for railway passenger vehicle |
-
2014
- 2014-05-09 CN CN201420237019.3U patent/CN203881898U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110873828A (en) * | 2018-08-31 | 2020-03-10 | 株洲中车时代电气股份有限公司 | DC circuit monitoring system for railway passenger vehicle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |