CN203786198U - Passenger transport locomotive DC600V straight power supply vehicle-mounted detection apparatus - Google Patents
Passenger transport locomotive DC600V straight power supply vehicle-mounted detection apparatus Download PDFInfo
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- CN203786198U CN203786198U CN201420053056.9U CN201420053056U CN203786198U CN 203786198 U CN203786198 U CN 203786198U CN 201420053056 U CN201420053056 U CN 201420053056U CN 203786198 U CN203786198 U CN 203786198U
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- power supply
- detection apparatus
- supply vehicle
- mounted detection
- direct power
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Abstract
The utility model discloses a passenger transport locomotive DC600V straight power supply vehicle-mounted detection apparatus comprising a central processor, an acquisition module, a hand-operated switch, a multi-position contactor and a storage module, wherein the acquisition module comprises a current sensor and a voltage sensor, output ends of the current sensor and the voltage sensor are connected with an input end of the central processor, an output end of the central processor is connected with an input end of the storage module, and a wire coil of the multi-position contactor is arranged in an output return circuit of the central processor. According to the straight power supply vehicle-mounted detection apparatus, the load of a vehicle body of a passenger transport locomotive is used, the acquisition apparatus and an analysis and control device are mounted on the vehicle body, devices that are now available on the locomotive are used as test loads, voltage and current values of a test circuit are collected and sent into a calculating circuit, a test process is controlled according to a program, test data can be stored and analyzed and printed, no extra load is needed, cost is saved, a test can be realized in a convenient and quick manner, and the whole test process can be finished by only one worker.
Description
Technical field
The utility model relates to locomotive detection field, particularly a kind of passenger locomotive DC600V direct power supply equipment performance pick-up unit.
Background technology
From the beginning of the nineties in last century, China railways passenger's air-conditioned train progressively comes into operation, and has improved greatly numerous passengers' environment by bus.Passenger train possesses the electric utilities such as air-conditioning, broadcast, TV, illumination, electric water boiler, becomes gradually passenger's primary demand.
The power supply mode of train has two kinds, and a kind of is to adopt to add the generator car power supply that is hung on last vehicle of train, provides three-phase 380V/220V ac power supply method for electric car; Another kind is to utilize locomotive that the power supply mode of DC600V is directly provided.Obviously utilize locomotive that power supply mode environmental protection and the economy more of DC600V is directly provided, so the Passenger Vehicle that China produced after 2004 all adopts DC600V direct power supply mode.
Can Railway Passenger Locomotive safe and reliablely provide DC600V power supply to passenger vehicles, is the cardinal task of closing railway operation safety, traveller's environment, railway enterprise image.Former Ministry of Railways regulation for this reason: before passenger locomotive outbound, DC600V direct power supply device must be in shape, otherwise can not outbound, and include DC600V direct power supply in five specially inspections of locomotive servicing operation (DC600V direct power supply, roof high-tension apparatus, brake, traveling portion, locomotive fire prevention) scope.Specially examine qualified and sign and issue after conformity certification the accurate outbound in locomotive side for five.
Locomotive depot adopts uphole equipment to detect locomotive DC 600V direct power supply system more at present, and this ground checkout equipment exists a lot of shortcomings: 1. equipment is huge, and place is fixed; This equipment has pull-up resistor and the dimension machine composition of the control system of 400kw, and four KC20D electrical cnnectors are fixed on engine service track side; 2. equipment Inspection ability is low, can only detect 1 locomotive at every turn; 3. equipment manufacturing cost is high, and failure rate is high, and maintenance cycle is long, when equipment failure, can only ask producer to be repaiied, and during repairing, full section locomotive can not detect; 4. while detection, employment is many and labour intensity is large.So the existing equipment that locomotive DC 600V direct power supply system is detected is because the own limitation such as its fixed point is fixing greatly reduce locomotive detection efficiency, and cost is high, labor intensive is many.
Utility model content
The purpose of this utility model is to provide a kind of passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus, can be arranged on fast on passenger locomotive car body, utilizes the load of locomotive car body own conveniently passenger locomotive to be carried out to electric power system safety inspection successively.
The utility model adopts following technical proposals:
A kind of passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus, comprise central processing unit, acquisition module, hand switch, multidigit contactor and memory module, describedly comprise current sensor and voltage sensor for the acquisition module that gathers DC600V direct power supply voltage and current, the output terminal of current sensor and voltage sensor is connected the input end of central processing unit, the output terminal of central processing unit connects the input end of many memory modules, the coil of multidigit contactor is arranged in central processing unit output loop, the normally opened contact of multidigit contactor connects respectively first of passenger locomotive load by hand switch, second, the 3rd, four-input terminal.
Described multidigit contactor is four contactors, comprise first, second, third, fourth normally opened contact, described manual pass connects respectively respectively first, second, third, fourth input end of passenger locomotive load successively by first, second, third, fourth normally opened contact.
Described hand switch is double-point double-throw switch.
Described current sensor digital current sensor.
Described voltage sensor is digital voltage sensor.
Also include the display for showing test results, the input end of display connects the output terminal of central processing unit.
Also comprise in the time that testing result exceeds settings for sending the audible-visual annunciator of alarm, the input end of audible-visual annunciator connects the output terminal of central processing unit.
The utility model is by utilizing the load of passenger locomotive car body itself, harvester and Analysis Control Unit are installed on car body, utilize on locomotive existing equipment as test load, the voltage, the current value that extract in hookup are sent into counting circuit, the control of process of the test follow procedure, can store test figure, analyze, print, thereby without using extra load, not only save cost, make convenient test quick but also only need a staff can complete whole test process.The utility model has been realized whenever and wherever possible locomotive DC 600V direct power supply device has been detected, effectively solve the detection of locomotive depot to locomotive DC 600V direct power supply device, with the servicing work time in compressor garage, alleviate servicing work personnel's labour intensity, improve locomotive utilization factor.
Brief description of the drawings
Fig. 1 is schematic block circuit diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus, comprise central processing unit, acquisition module, hand switch, multidigit contactor and memory module, describedly comprise current sensor and voltage sensor for the acquisition module that gathers DC600V direct power supply voltage and current, the output terminal of current sensor and voltage sensor is connected the input end of central processing unit, the output terminal of central processing unit connects the input end of many memory modules, the coil of multidigit contactor is arranged in central processing unit output loop, the normally opened contact of multidigit contactor connects respectively first of passenger locomotive load by hand switch, second, the 3rd, four-input terminal.First, second, third, fourth input end is four power sections of corresponding passenger locomotive load respectively: 1/4 power test interface; 1/2 power test interface; 3/4 power test interface; 1 is full power test interface.
Multidigit contactor described in the utility model adopts four contactors, comprise first, second, third, fourth normally opened contact, described hand switch connects respectively respectively first, second, third, fourth input end of passenger locomotive load successively by first, second, third, fourth normally opened contact, described hand switch is double-point double-throw switch.Four contactors function be by locomotive DC 600V direct power supply power supply and locomotive circuit connecting and disconnecting, central processing unit be responsible for power supply and load by setup program segmentation be pressed into, and by the voltage and current signal of voltage, current sensor extraction DC600V direct power supply power supply, then carry out mould, number conversion, final data is transported to memory module meter record and storage, and data will be sent to and on display, carry out real-time test figure demonstration simultaneously.
Locomotive DC 600V direct-furnish power supply is divided into four power sections by the utility model to be tested, and these four power sections test respectively 1/4; 1/2; 3/4; 1 power, in every period of 15 seconds, completes automatically, and central processing unit compares the voltage of four sections of tests that collect, current data and four sections of voltages, current ratings, and error in setting time, is sent to memory module and records and store; While exceeding error setting, control display and report to the police and record, the data after record are convenient to the later stage and are searched, print.
On existing locomotive, be provided with two cover DC600V power supplys, every cover power 400kw, according to above-mentioned principle of work, in the utility model, can increase again by a hand switch other a set of DC600V power supply is tested, can increase accordingly four contactors, or above-mentioned four contactors are changed to eight contactors, can realize above-mentioned detection, and can convenient and swift two cover DC600V power supplys be detected under the effect of hand switch.
Claims (7)
1. a passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus, it is characterized in that: comprise central processing unit, acquisition module, hand switch, multidigit contactor and memory module, comprise current sensor and voltage sensor for the described acquisition module that gathers DC600V direct power supply voltage and current, the output terminal of current sensor and voltage sensor is connected the input end of central processing unit, the output terminal of central processing unit connects the input end of many memory modules, the coil of multidigit contactor is arranged in central processing unit output loop, the normally opened contact of multidigit contactor connects respectively first of passenger locomotive load by hand switch, second, the 3rd, four-input terminal.
2. passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus according to claim 1, it is characterized in that: described multidigit contactor is four contactors, comprise first, second, third, fourth normally opened contact, described manual pass connects respectively respectively first, second, third, fourth input end of passenger locomotive load successively by first, second, third, fourth normally opened contact.
3. passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus according to claim 2, is characterized in that: described hand switch is double-point double-throw switch.
4. passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus according to claim 3, is characterized in that: described current sensor digital current sensor.
5. passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus according to claim 4, is characterized in that: described voltage sensor is digital voltage sensor.
6. passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus according to claim 5, is characterized in that: also include the display for showing test results, the input end of display connects the output terminal of central processing unit.
7. passenger locomotive DC600V direct power supply vehicle-mounted detection apparatus according to claim 6, it is characterized in that: also comprise in the time that testing result exceeds settings for sending the audible-visual annunciator of alarm, the input end of audible-visual annunciator connects the output terminal of central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053056.9U CN203786198U (en) | 2014-01-27 | 2014-01-27 | Passenger transport locomotive DC600V straight power supply vehicle-mounted detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420053056.9U CN203786198U (en) | 2014-01-27 | 2014-01-27 | Passenger transport locomotive DC600V straight power supply vehicle-mounted detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203786198U true CN203786198U (en) | 2014-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420053056.9U Expired - Fee Related CN203786198U (en) | 2014-01-27 | 2014-01-27 | Passenger transport locomotive DC600V straight power supply vehicle-mounted detection apparatus |
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| CN (1) | CN203786198U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137958A (en) * | 2015-07-22 | 2015-12-09 | 北京九方宏信交通装备有限公司 | Railway under-vehicle power supply main control board detection device and detection method |
| CN107817407A (en) * | 2017-12-13 | 2018-03-20 | 株洲中车电气科技有限公司 | A kind of locomotive load test method and load testing apparatus |
-
2014
- 2014-01-27 CN CN201420053056.9U patent/CN203786198U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137958A (en) * | 2015-07-22 | 2015-12-09 | 北京九方宏信交通装备有限公司 | Railway under-vehicle power supply main control board detection device and detection method |
| CN107817407A (en) * | 2017-12-13 | 2018-03-20 | 株洲中车电气科技有限公司 | A kind of locomotive load test method and load testing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140820 Termination date: 20220127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |