CN203414516U - Drawer type direct current screen bus current sampling device - Google Patents
Drawer type direct current screen bus current sampling device Download PDFInfo
- Publication number
- CN203414516U CN203414516U CN201320496120.6U CN201320496120U CN203414516U CN 203414516 U CN203414516 U CN 203414516U CN 201320496120 U CN201320496120 U CN 201320496120U CN 203414516 U CN203414516 U CN 203414516U
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- direct current
- shunt
- signal input
- digital display
- diverter
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Abstract
The utility model relates to a drawer type direct current screen bus current sampling device comprising a Hall sensor which is sleeved on a bus row. The signal output end of the Hall sensor is connected into the signal input end of an onsite monitor. The signal output end of the onsite monitor is connected with the signal input end of a background monitoring platform in a communication way. The horizontal segment is the bus row is provided with a fracture opening. A direct current diverter is connected in series between two fractured ends of the bus row. The direct current diverter comprises diverter sampling ends which are respectively connected with two ends of the bus row and a manganese copper resistor which is connected between the two diverter sampling ends. The two diverter sampling ends are respectively connected with sampling signal lines which are respectively connected into the signal input end of an onsite digital display device. The signal output end of the onsite digital display device is connected with the signal input end of a background digital display device in the communication way. One end of the manganese copper resistor of the direct current diverter is connected with diverter sampling ends via a copper conductor. The bus current sampling device provides dual protection so that the bus current sampling device is higher in protection grade.
Description
Technical field
The utility model relates to a kind of direct-current drawer chest, and particularly a kind of drawer type direct current cabinet bus current sampler, belongs to power supply and distribution facility technical field.
Background technology
Direct current cabinet is used for supplying DC power source, is the reliability that guarantees power supply, and is convenient to change in the situation that switch breaks down convenient, and a lot of clients wish direct current cabinet to make the form of drawout cubicle.Bus current sampler is the very important building block of electric power DC operation power source system, it is related to the problem that can electric power DC operation power source system guarantee safe and reliable operation, research and development drawer type direct current cabinet must solve and be exclusively used in drawer type direct current cabinet bus current sampler, and this is also one of gordian technique of exploitation drawer type direct current cabinet.
Current DC bus current sampler only comprises the Hall element being sleeved on bus, the signal input part of the signal output part access on-site supervision instrument of Hall element, the signal that bus current 0-400A converts 0-100mA to by Hall element offers on-site supervision instrument, on-site supervision instrument carries out data processing comparison, judge whether overcurrent and show real-time current at monitoring liquid crystal display, the instrument of on-site supervision simultaneously also offers background monitoring platform for remote monitoring by RS485 port by signal.Higher because of the protection requirement of drawer type direct current cabinet, existing sampler is only applicable to framework direct current cabinet, is not suitable for drawer type direct current cabinet.
Utility model content
The purpose of this utility model is, overcomes problems of the prior art, and a kind of drawer type direct current cabinet bus current sampler is provided, and duplicate protection can be provided, and protection class is higher.
For solving above technical matters, a kind of drawer type direct current cabinet bus current sampler provided by the utility model, comprise the Hall element being sleeved on mother row, the signal input part of the signal output part access on-site supervision instrument of described Hall element, the signal output part of described on-site supervision instrument is connected with the signal input part communication of background monitoring platform, described mother row's horizontal segment is provided with fracture, between the two ends that described mother row disconnects, be connected in series with direct current shunt, described direct current shunt comprises the shunt sampling end being connected with mother row's two ends respectively and is connected to the copper-manganese resistance between two shunt sampling ends, described in two, shunt sampling end is connected with respectively sampled signal line, described sampled signal line accesses respectively the signal input part of on-the-spot digital display instrument, the signal output part of described on-the-spot digital display instrument is connected with the signal input part communication of backstage digital display instrument.
With respect to prior art, the utility model has been obtained following beneficial effect: when Hall element provides scene and background monitoring signal, set up direct current shunt; When direct current shunt has DC current to pass through, at two shunt sampling ends, produce pressure drop, sampled signal line offers on-the-spot digital display instrument and shows, and on-the-spot digital display instrument offers signal backstage digital display instrument again and shows, has so just formed duplicate protection, more reliable.
As preferred version of the present utility model, one end of the copper-manganese resistance of described direct current shunt is connected with described shunt sampling end by copper conductor.Copper-manganese resistance is in the situation that being subject to stress, and its resistance can increase, and affects measuring accuracy, copper conductor is good conductor and soft, one end of copper-manganese resistance has been realized and being flexible coupling by copper conductor and shunt sampling end, and the stress influence that having eliminated is rigidly connected brings, has improved measuring accuracy.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, accompanying drawing only provides reference and explanation use, non-in order to limit the utility model.
Fig. 1 is the front view of the utility model drawer type direct current cabinet bus current sampler.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the stereographic map of Fig. 1.
Fig. 4 is the electrical schematic diagram of the utility model drawer type direct current cabinet bus current sampler.
Fig. 5 is the johning knot composition of direct current shunt.
In figure: 1. mother is arranged; 2. Hall element; 3. on-site supervision instrument; 4. background monitoring platform; 5. direct current shunt; 5a. shunt sampling end; 5a1. sampling spot; 5b. copper-manganese resistance; 5c. copper conductor; 6. on-the-spot digital display instrument; 7. backstage digital display instrument.
Embodiment
As shown in Figures 1 to 4, drawer type direct current cabinet bus current sampler of the present utility model, it is 1 L-shaped that mother is arranged, its horizontal segment is provided with fracture, between the two ends that mother row 1 disconnects, be connected in series with direct current shunt 5, direct current shunt 5 comprises the shunt sampling end 5a being connected with mother row's two ends respectively and is connected to the copper-manganese resistance 5b between two shunt sampling end 5a, two shunt sampling end 5a are respectively equipped with sampling spot 5a1, sampling spot 5a1 is connected with respectively sampled signal line, sampled signal line accesses respectively the signal input part of on-the-spot digital display instrument 6, the on-the-spot signal output part of digital display instrument 6 and the signal input part communication of backstage digital display instrument 7 are connected.The mother row 1 at direct current shunt 5 rears is set with Hall element 2, the signal input part of the signal output part access on-site supervision instrument 3 of Hall element 2, and the signal output part of on-site supervision instrument 3 is connected with the signal input part communication of background monitoring platform 4.
As shown in Figure 5, one end of the copper-manganese resistance 5b of direct current shunt 5 is connected with shunt sampling end 5a by copper conductor 5c.Copper-manganese resistance 5b is in the situation that being subject to stress, its resistance can increase, affect measuring accuracy, copper conductor 5c is good conductor and soft, one end of copper-manganese resistance 5b has been realized and being flexible coupling by copper conductor 5c and shunt sampling end 5a, the stress influence that having eliminated is rigidly connected brings, has improved measuring accuracy.
The signal that bus current 0-400A converts 0-100mA to by Hall element 2 offers on-site supervision instrument 3, on-site supervision instrument 3 carries out data processing comparison, judge whether overcurrent and show real-time current at monitoring liquid crystal display, the instrument of on-site supervision simultaneously 3 also offers background monitoring platform 4 for remote monitoring by RS485 port by signal.When direct current shunt 5 has DC current to pass through; between two shunt sampling end 5a, produce 0-75mV pressure drop; sampled signal line offers on-the-spot digital display instrument 6 and shows; on-the-spot digital display instrument 6 is exported 0-20mA again signal is offered to 7 demonstrations of backstage digital display instrument; so just formed duplicate protection, more reliable.
The FL2-400A/75mV type direct current shunt that direct current shunt 5 can adopt East China, Shanghai Electrical Appliances Co., Ltd to produce.The ZL5135B 0-400A type Intelligent current table that on-the-spot digital display instrument 6 and backstage digital display instrument 7 can select Jiangsu Zhongling High Science and Technology Co., Ltd to produce.The HNC-400A/100mA type that Hall element 2 can adopt circumference Science and Technology Ltd. of Shenzhen Nintaus to produce, or the like product that adopts Xi'an Jin Zuan Electronic Science and Technology Co., Ltd. to produce, or the like product that adopts Fuyang Chuan Hong Import and Export Co., Ltd. to sell.On-site supervision instrument 3 can be selected Ai Mosheng (EMESON) PSM-E20 type monitor.
The foregoing is only the better possible embodiments of the utility model, non-so limit to scope of patent protection of the present utility model.In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of the utility model requirement.
Claims (2)
1. a drawer type direct current cabinet bus current sampler, comprise the Hall element being sleeved on mother row, the signal input part of the signal output part access on-site supervision instrument of described Hall element, the signal output part of described on-site supervision instrument is connected with the signal input part communication of background monitoring platform, it is characterized in that: described mother row's horizontal segment is provided with fracture, between the two ends that described mother row disconnects, be connected in series with direct current shunt, described direct current shunt comprises the shunt sampling end being connected with mother row's two ends respectively and is connected to the copper-manganese resistance between two shunt sampling ends, described in two, shunt sampling end is connected with respectively sampled signal line, described sampled signal line accesses respectively the signal input part of on-the-spot digital display instrument, the signal output part of described on-the-spot digital display instrument is connected with the signal input part communication of backstage digital display instrument.
2. drawer type direct current cabinet bus current sampler according to claim 1, is characterized in that: one end of the copper-manganese resistance of described direct current shunt is connected with described shunt sampling end by copper conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320496120.6U CN203414516U (en) | 2013-08-15 | 2013-08-15 | Drawer type direct current screen bus current sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320496120.6U CN203414516U (en) | 2013-08-15 | 2013-08-15 | Drawer type direct current screen bus current sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203414516U true CN203414516U (en) | 2014-01-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320496120.6U Expired - Lifetime CN203414516U (en) | 2013-08-15 | 2013-08-15 | Drawer type direct current screen bus current sampling device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203414516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843841A (en) * | 2016-09-20 | 2018-03-27 | 大众汽车股份公司 | Sensor arrangement and battery monitoring controller for monitoring the current in the current rail of an electrically drivable driving device |
-
2013
- 2013-08-15 CN CN201320496120.6U patent/CN203414516U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107843841A (en) * | 2016-09-20 | 2018-03-27 | 大众汽车股份公司 | Sensor arrangement and battery monitoring controller for monitoring the current in the current rail of an electrically drivable driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHONGHUAN JIANGSU ELECTRIC POWER ENGINEERING CO., Free format text: FORMER OWNER: JIANGSU HIMARK TECHNOLOGY CO., LTD. Effective date: 20150327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 211100 NANJING, JIANGSU PROVINCE TO: 225000 YANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150327 Address after: 2, No. 108, Weiyang Road, Yangzhou Development Zone, Jiangsu 225000, China Patentee after: Zhonghuan Neng Jiangsu Electric Power Engineering Co.,Ltd. Address before: 211100, 2, Ting Ting West Road, Jiangning District, Jiangsu, Nanjing Patentee before: JIANGSU HIMARK TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140129 |
|
| CX01 | Expiry of patent term |