CN204228803U - A kind of goat action current display device being arranged on running indoor - Google Patents
A kind of goat action current display device being arranged on running indoor Download PDFInfo
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- CN204228803U CN204228803U CN201420749940.6U CN201420749940U CN204228803U CN 204228803 U CN204228803 U CN 204228803U CN 201420749940 U CN201420749940 U CN 201420749940U CN 204228803 U CN204228803 U CN 204228803U
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- current sensor
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- display device
- running indoor
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Abstract
The utility model discloses a kind of goat action current display device being arranged on running indoor, it comprises DC current sensor, AC current sensor, RS485 interface cable and digital ammeter, described DC current sensor is arranged in the supply line in Machine Room between DC power supplier and goat, described AC current sensor is arranged in the supply line in Machine Room between AC power supply module and goat, described DC current sensor is connected with the digital ammeter being arranged on running indoor respectively by RS485 interface cable with AC current sensor, described digital ammeter comprises direct current gauge outfit and exchanges gauge outfit.The utility model avoids the trouble that goat power supply introduces driving room, there is safe and reliable, the advantage such as intuitive display, precision stepping, be convenient to driving person on duty and observe understanding goat running-active status, be also conducive to signal maintenance personnel and measure and debugging goat frictional working current.
Description
Technical field
The utility model belongs to goat course of action surveillance technology field, specifically a kind of goat action current display device being arranged on running indoor.
Background technology
Goat is the power-equipment of the application when railway track changes its course, and needs to detect the current signal of described goat drive motor when carrying out power and giving, and the convenient room operating personnel that drive a vehicle judge goat whether regular event.
In the electric interlocking epoch, driving room is provided with control desk, control desk is provided with pointer goat reometer.Along with the use of computer interlocking equipment, control desk is shown screen and replaces, but driving personnel still need to see that reometer is to understand goat running-active status.
In computer interlock engineering construction, by goat direct current with exchange action power, with (10mm2 or more) wire introduce driving room carry out current detecting.Goat power supply is introduced driving room, construct loaded down with trivial details.Some driving rooms and Machine Room distant, go between long, not only caused line drop greatly but also waste wire.Also need to carry out drive current table with shunt and mutual inductor, trouble spot is many, and reliability is low.
Utility model content
For overcoming the deficiency that above-mentioned prior art exists, the utility model provides one and does not need goat power supply to introduce driving room, and can carry out the goat action current display device shown in driving room, not only detecting reliability is high for it, and cost is low.
The technical scheme in the invention for solving the technical problem is: a kind of goat action current display device being arranged on running indoor, it is characterized in that, comprise DC current sensor, AC current sensor, RS485 interface cable and digital ammeter, described DC current sensor is arranged in the supply line in Machine Room between DC power supplier and goat, described AC current sensor is arranged in the supply line in Machine Room between AC power supply module and goat, described DC current sensor is connected with the digital ammeter being arranged on running indoor respectively by RS485 interface cable with AC current sensor, described digital ammeter comprises direct current gauge outfit and exchanges gauge outfit.
Further, also comprise RS485 isolation and amplifier unit, described RS485 interface cable is connected with AC current sensor with DC current sensor respectively by RS485 isolation and amplifier unit.
Preferably, described DC current sensor, AC current sensor, DC power supplier and AC power supply module are arranged in power supply panel.
Preferably, described DC current sensor is the DC current sensor measured DC 0-30A and have precision stepping acquisition function.
Preferably, described AC current sensor is the AC current sensor measured AC 0-30A and have precision stepping acquisition function.
The utility model by increasing annex in power supply panel, i.e. alterating and direct current flow sensor, gather the numerical information of the source current of direct-current point machine and a phase current of A.C. point machine respectively, by RS485 interface cable, above-mentioned current information is uploaded to the digital ammeter being arranged on driving room, shows direct current in time, exchange the action current of goat.When driving person on duty or signal maintenance human users control track switch conversion, electric point machine electric power outputting current, driving person on duty is by observing reometer, the action of timely understanding electric point machine and track switch transformation condition, signal maintenance personnel can measure action current and the frictional working current of goat with this reometer.
The beneficial effects of the utility model are, after adopting said structure, the utility model does not need goat power supply to introduce driving room, avoid the trouble that goat power supply introduces driving room, reduce line drop, save wire, current sensor and reometer have departed from main circuit, do not affect track switch during its fault to move and route setting, reduce the pressure drop of electric point machine power circuit and trouble spot, there is circuit simple, safe and reliable, intuitive display, the advantages such as precision stepping, not only be convenient to driving person on duty and observe understanding goat running-active status in time, also be conducive to signal maintenance personnel to measure and debugging goat frictional working current.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of plug-in sensor described in the utility model;
In figure, 1 DC current sensor, 2 AC current sensor, 3RS485 interface cable, 4 digital ammeters, 5 opposite opened housings, 51 deep-slotted chip breakers, 6 hinges, 7 buckle posts, 8 buckle covers.
Embodiment
As shown in Figure 1, a kind of goat action current display device being arranged on running indoor of the present utility model, for detecting the output current of goat power supply.It comprises DC current sensor 1, AC current sensor 2, RS485 interface cable 3 and digital ammeter 4, described DC current sensor 1 is arranged in the supply line in Machine Room between DC power supplier and goat, described AC current sensor 2 is arranged in the supply line in Machine Room between AC power supply module and goat, described DC current sensor 1 is connected with the digital ammeter 4 being arranged on running indoor respectively by RS485 interface cable 3 with AC current sensor 2, described digital ammeter 4 comprises direct current gauge outfit and exchanges gauge outfit.Described DC current sensor, AC current sensor, DC power supplier and AC power supply module are arranged in power supply panel.
Further, the utility model also comprises RS485 isolation and amplifier unit (not shown), described RS485 interface cable is connected with AC current sensor with DC current sensor respectively by RS485 isolation and amplifier unit, strengthens anti-interference.
DC current sensor described in the utility model, measures DC 0-30A, and employing isolation, precision stepping mode gather, when so-called precision stepping refers to that electric current is less than 3A, precision is not less than 0.5 grade, and during more than electric current 3A, precision is not more than 2.5 grades, communication interface mode RS485.AC current sensor described in the utility model, measures AC 0-30A, acquisition mode, precision stepping, the same DC current sensor of communication interface.Said reometer can show DC, AC electric current, self shifter simultaneously respectively, and precision is with aforementioned current sensor.
The utility model gathers the numerical information of direct-current point machine power supply DC220 electric current and A.C. point machine power supply AC380 mono-phase current respectively by current sensor, by RS485 interface, above-mentioned current information is uploaded to the reometer being arranged on driving room, shows direct current in time, exchange the action current of goat.When drive a vehicle person on duty or signal maintenance human users control track switch conversion, electric point machine electric power outputting current, driving person on duty, by observing reometer, understands electric point machine action and track switch transformation condition in time; Signal maintenance personnel can measure action current and the frictional working current of goat with this reometer.The utility model not only has the advantages such as circuit is simple, safe and reliable, intuitive display, high precision, and is convenient to driving person on duty and observes in time and understand goat running-active status, is also conducive to signal maintenance personnel and measures and debugging goat frictional working current.
Conveniently the existing equipment of Machine Room is transformed, DC current sensor described in the utility model and AC current transformer can adopt a kind of plug-in sensor comprising shell body and semicircular magnetic conductor, this plug-in sensor is not when needing to disconnect existing power cable, direct card is placed on power cable, not only structure is simple, easy for installation, and facilitate the sampling work of power cable electric current, be conducive to overhauling afterwards and install current transformer additional with the later stage.
As shown in Figure 2, the shell body of described plug-in sensor is made up of the opposite opened housing 5 that two fasten mutually, the forward surface of two opposite opened housings 5 is all packaged with a semicircular magnetic conductor in middle deep-slotted chip breaker 51, two opposite opened housings 5 forming central through hole after being provided with and fastening; A semicircular magnetic conductor in two semicircular magnetic conductors is wound with output winding, and two output terminals of described output winding connect with the output leg be arranged on corresponding opposite opened housing respectively; Two opposite opened housing 5 one end are connected by hinge 6, and the other end is connected by fastener; Described fastener comprises buckle post 7 and the buckle cover 8 of mutual clamping, and described buckle post 7 and buckle cover 8 are separately positioned on two housings, and described buckle cover 8 is also provided with safety apparatus.Wherein, described housing adopts spray piano lacquer steel skeleton structure body, not only waterproof and dampproof superior performance, and not easily aging.Described magnetic conductor is wound around hollow magnetic conduction carcasing by enameled wire and forms.
When direct current (interchange) current sensor is installed, first two of sensor housings are opened, power cable is put in central through hole, then two housings are closed, again buckle cover is stuck on buckle post, and pinned by safety apparatus, prevent because maloperation causes sensor to drop.When sensor taken by needs, safety apparatus need be touched and unlock, then buckle cover be broken into two with one's hands from buckle post, thus separate two housings.This plug-in sensor can effectively keep firmly being arranged on power cable for a long time.
The above is preferred implementation of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also make some improvements and modifications, these improvements and modifications are also regarded as protection domain of the present utility model.
Claims (5)
1. one kind is arranged on the goat action current display device of running indoor, it is characterized in that, comprise DC current sensor, AC current sensor, RS485 interface cable and digital ammeter, described DC current sensor is arranged in the supply line in Machine Room between DC power supplier and goat, described AC current sensor is arranged in the supply line in Machine Room between AC power supply module and goat, described DC current sensor is connected with the digital ammeter being arranged on running indoor respectively by RS485 interface cable with AC current sensor, described digital ammeter comprises direct current gauge outfit and exchanges gauge outfit.
2. a kind of goat action current display device being arranged on running indoor according to claim 1, it is characterized in that, also comprise RS485 isolation and amplifier unit, described RS485 interface cable is connected with AC current sensor with DC current sensor respectively by RS485 isolation and amplifier unit.
3. a kind of goat action current display device being arranged on running indoor according to claim 1 and 2, described DC current sensor, AC current sensor, DC power supplier and AC power supply module are arranged in power supply panel.
4. a kind of goat action current display device being arranged on running indoor according to claim 1 and 2, is characterized in that, described DC current sensor is the DC current sensor measured DC 0-30A and have precision stepping acquisition function.
5. a kind of goat action current display device being arranged on running indoor according to claim 1 and 2, is characterized in that, described AC current sensor is the AC current sensor measured AC 0-30A and have precision stepping acquisition function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749940.6U CN204228803U (en) | 2014-12-03 | 2014-12-03 | A kind of goat action current display device being arranged on running indoor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749940.6U CN204228803U (en) | 2014-12-03 | 2014-12-03 | A kind of goat action current display device being arranged on running indoor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204228803U true CN204228803U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420749940.6U Active CN204228803U (en) | 2014-12-03 | 2014-12-03 | A kind of goat action current display device being arranged on running indoor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204228803U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540216A (en) * | 2018-12-24 | 2019-03-29 | 宁波思高信通科技有限公司 | A kind of turn-out track machine overhauling display unit based on collector |
-
2014
- 2014-12-03 CN CN201420749940.6U patent/CN204228803U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540216A (en) * | 2018-12-24 | 2019-03-29 | 宁波思高信通科技有限公司 | A kind of turn-out track machine overhauling display unit based on collector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |