CN201611372U - Portable distribution transformer comprehensive test instrument - Google Patents
Portable distribution transformer comprehensive test instrument Download PDFInfo
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- CN201611372U CN201611372U CN2010201192063U CN201020119206U CN201611372U CN 201611372 U CN201611372 U CN 201611372U CN 2010201192063 U CN2010201192063 U CN 2010201192063U CN 201020119206 U CN201020119206 U CN 201020119206U CN 201611372 U CN201611372 U CN 201611372U
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Abstract
The utility model relates to a portable distribution transformer comprehensive test instrument. The instrument comprises an analog signal acquisition module, an analog signal conditioning module, a signal processing module and a human-computer interface module; the analog signal acquisition module is used for acquiring voltage and current signals of a field distribution transformer; the voltage signals are taken from a bus of the distribution transformer; the current signals are taken from a secondary side of a current transformer on the transformer; and the acquired signals are calculated and analyzed to judge the running state of the distribution transformer. The distribution transformer comprehensive test instrument has small structure and convenient carry due to the adoption of modularized structural design, can measure the running parameters of the transformer at any time and any place so that field workers can learn the running state of the transformer, greatly improves the work efficiency, and has large practicability.
Description
Technical field
The utility model relates to the distribution automation field, relates in particular to a kind of device that is used to detect the substation transformer operation conditions.
Background technology
Substation transformer needs its ruuning situation is monitored in operational process, at present, substantially set up substation transformer electric network parameter synthetic measuring system based on wireless transmission in the city, this system can monitor every operational factor of substation transformer in real time, but this system's operation cost is higher, maintenance workload is bigger, and for the backcountry, city, this system can't popularization and application, therefore, need arrive the scene for the monitoring of the backwoodsman a large amount of distribution transforming transformers in city and carry out, this just needs a kind of instrument that is convenient for carrying and measures, and the application just is being based on above-mentioned purpose and the development and Design of carrying out.
The utility model content
The utility model purpose is that a kind of simple in structure, distribution transforming comprehensive tester of being convenient for carrying is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of portable distribution transforming comprehensive tester, and it comprises,
The collection of simulant signal module, described collection of simulant signal module is used for the voltage and current of on-the-spot substation transformer is gathered;
The analog signal conditioner module, the output terminal of its input end and described collection of simulant signal module is electrically connected, and is used for the electric signal of collection of simulant signal module output is disturbed processing;
Signal processing module, the output terminal of its input end and described analog signal conditioner module is electrically connected, and is used for the signal of analog signal conditioner module output is carried out computational analysis, to judge the ruuning situation of corresponding substation transformer;
Human-machine interface module, the output terminal of its input end and described analog signal conditioner module is electrically connected, and is used for showing in real time the parameter information of substation transformer running status.
Further, it also comprises the plug type mobile memory, described mobile memory and signal processing module two-way communication connection mutually, described mobile memory is used for the transformer operational factor of real-time storage signal processing module computational analysis, carries out analysis-by-synthesis for the ruuning situation of transformer.
In a kind of mode of implementing according to technique scheme, described collection of simulant signal module comprises and is used to gather the voltage transformer (VT) of substation transformer outgoing side voltage and the current transformer of gathering substation transformer outgoing side electric current.Optimally, described current transformer is a current clamp.
Described analog signal conditioner module comprises by filtering circuit and amplifying circuit to be formed.
Described human-machine interface module comprises display screen and operation keyboard.
Because the utilization of technique scheme, the utility model compared with prior art has following advantage: the utility model distribution transforming comprehensive tester adopts the modular construction design, structure is small and exquisite, be convenient for carrying, can measure the transformer operational factor whenever and wherever possible, thereby make the field personnel can know the operation conditions of transformer at any time, greatly improved work efficiency, have bigger practicality.
Description of drawings
Accompanying drawing 1 is the portable distribution transforming comprehensive tester of a utility model structured flowchart;
Accompanying drawing 2 is wherein one tunnel signal processing circuit figure of the utility model analog signal conditioner module;
Wherein: 1, collection of simulant signal module; 11, voltage transformer (VT); 12, electric current is talked recklessly; 2, analog signal conditioner module; 3, signal processing module; 4, human-machine interface module; 41, display screen; 42, operation keyboard; 5, mobile memory;
Embodiment
Below in conjunction with accompanying drawing, describe particular content of the present utility model in detail for example:
Distribution transforming comprehensive tester as shown in Figure 1, mainly by the collection of simulant signal module 1 that is electrically connected successively mutually, analog signal conditioner module 2, signal processing module 3, human-machine interface module 4 is formed, wherein, collection of simulant signal module 1 is used for the voltage and current signal of collection site substation transformer, voltage signal is taken from the bus of substation transformer, current signal is taken from the secondary side of current transformer on the transformer, in the present embodiment, collection of simulant signal module 1 mainly is made up of voltage transformer (VT) 11 summation current transformers 12, voltage on the bus of substation transformer is by voltage transformer (VT) 11 induction output small voltage signals, current transformer 12 is responded to the little current signal of output too, wherein, current transformer 12 can adopt current clamp to realize.Simultaneously, the utility model adopts the voltage transformer (VT) summation current transformer to carry out collection of simulant signal also can further play buffer action, thereby whole testing tool is protected.
Analog signal conditioner module 2 is mainly used in the undesired signal in above-mentioned voltage transformer (VT) 11 summation current transformers of the filtering 12 output electric signal, and that shown in Figure 2 is concrete road signal conditioning circuit figure that implements, and it is realized by a filter capacitor and an operational amplifier.
Signal processing module 3 mainly carries out Treatment Analysis to the signal that receives from analog signal conditioner module 2, in the present embodiment, signal processing module 3 adopts the ARM7LPC2136 processor, the LPC2136 microprocessor is based on one and supports real-time simulation and 16/32 ARM7TDMI-S CPU of embedded tracking, and have a high speed Flash storer that 256KB embeds, 32KB internal memory and 10 A/D converters, like this, when analog electrical signal enters this processor, at first carry out analog-to-digital conversion by its inner A/D converter, thereby CPU calculates by fft analysis the digital signal after transforming, to draw the real time execution parameter of corresponding transformer.
Human-machine interface module 4 mainly comprises the operation keyboard 12 of accepting user's input and the display screen 11 that reflects information to the user.The function button of operation keyboard can be set according to the needs of concrete use, and in the present embodiment, operation keyboard 12 has 5 function keys: go up key, following key, acknowledgement key, cancel key, page turning key.The real-time frequency of display screen 11 main display systems, the degree of unbalancedness of voltage, electric current, positive sequence, negative phase-sequence, residual voltage and electric current and system voltage, electric current, system are meritorious, reactive power and power factor etc.
In the present embodiment, tester also comprises mobile memory 5, carry out data transmission by usb protocol between this mobile memory 5 and the arm processor, particularly, the portable hard drive of mobile memory 5 for having USB interface by the transformer operational factor that adopts this outside plug type USB portable hard drive to come the real-time storage processor to analyze, passes through the backstage analysis software after measuring end, read test data from the USB portable hard drive are come the ruuning situation of analysis-by-synthesis distribution transforming.
The portable distribution transforming comprehensive tester of present embodiment adopts modular construction, design succinct, easy to carry, can measure the distribution transforming operational factor whenever and wherever possible, the real-time data memory of measuring is in the USB of equipment portable hard drive, can pass through backstage analysis software read test data from the USB portable hard drive after test is finished, the ruuning situation of substation transformer is carried out analysis-by-synthesis.This tester was particularly useful in peak times of power consumption in summer, can help the field staff to increase work efficiency, and can accurately hold every measured distribution transforming ruuning situation simultaneously, and personnel provide design considerations for power supply technique.
The foregoing description only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection domain of the present utility model with this; all equivalences of doing according to spirit of the present utility model change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1. portable distribution transforming comprehensive tester is characterized in that: it comprises,
Collection of simulant signal module (1), described collection of simulant signal module (1) is used for the voltage and current of on-the-spot substation transformer is gathered;
Analog signal conditioner module (2), the output terminal of its input end and described collection of simulant signal module (1) is electrically connected, and is used for the electric signal of collection of simulant signal module (1) output is gone to disturb processing;
Signal processing module (3), the output terminal of its input end and described analog signal conditioner module (2) is electrically connected, and is used for the signal of analog signal conditioner module (2) output is carried out computational analysis, to judge the ruuning situation of corresponding substation transformer;
Human-machine interface module (4), the output terminal of its input end and described analog signal conditioner module (2) is electrically connected, and is used for showing in real time the parameter information of substation transformer running status.
2. portable distribution transforming comprehensive tester according to claim 1, it is characterized in that: it also comprises plug type mobile memory (5), described mobile memory (5) and signal processing module (3) two-way communication connection mutually, described mobile memory (5) is used for the transformer operational factor of real-time storage signal processing module (3) computational analysis, to be used for that the ruuning situation of transformer is carried out analysis-by-synthesis.
3. portable distribution transforming comprehensive tester according to claim 1 is characterized in that: described collection of simulant signal module (1) comprises voltage transformer (VT) (11) that is used to gather substation transformer outgoing side voltage and the current transformer (12) of gathering substation transformer outgoing side electric current.
4. portable distribution transforming comprehensive tester according to claim 3 is characterized in that: described current transformer is a current clamp.
5. portable distribution transforming comprehensive tester according to claim 1 is characterized in that: described analog signal conditioner module (2) comprises by filtering circuit and amplifying circuit to be formed.
6. portable distribution transforming comprehensive tester according to claim 1 is characterized in that: described human-machine interface module (4) comprises display screen (41) and operation keyboard (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201192063U CN201611372U (en) | 2010-02-22 | 2010-02-22 | Portable distribution transformer comprehensive test instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201192063U CN201611372U (en) | 2010-02-22 | 2010-02-22 | Portable distribution transformer comprehensive test instrument |
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| Publication Number | Publication Date |
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| CN201611372U true CN201611372U (en) | 2010-10-20 |
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| CN2010201192063U Expired - Lifetime CN201611372U (en) | 2010-02-22 | 2010-02-22 | Portable distribution transformer comprehensive test instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636717A (en) * | 2012-04-27 | 2012-08-15 | 江苏省电力公司徐州供电公司 | Portable three-phase load acquisition recorder for low-pressure multipath outgoing cable |
| CN103331506A (en) * | 2013-07-23 | 2013-10-02 | 唐山开元焊接自动化技术研究所有限公司 | Handheld terminal for detecting automatic welding equipment and detection method for handheld terminal |
| WO2020103640A1 (en) * | 2018-11-23 | 2020-05-28 | 江苏智臻能源科技有限公司 | Sensing terminal device and method for distribution transformer district |
-
2010
- 2010-02-22 CN CN2010201192063U patent/CN201611372U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636717A (en) * | 2012-04-27 | 2012-08-15 | 江苏省电力公司徐州供电公司 | Portable three-phase load acquisition recorder for low-pressure multipath outgoing cable |
| CN103331506A (en) * | 2013-07-23 | 2013-10-02 | 唐山开元焊接自动化技术研究所有限公司 | Handheld terminal for detecting automatic welding equipment and detection method for handheld terminal |
| CN103331506B (en) * | 2013-07-23 | 2015-02-04 | 唐山开元焊接自动化技术研究所有限公司 | Detection method for handheld terminal for detecting automatic welding equipment |
| WO2020103640A1 (en) * | 2018-11-23 | 2020-05-28 | 江苏智臻能源科技有限公司 | Sensing terminal device and method for distribution transformer district |
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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: JIANGSU ELECTRIC POWER COMPANY STATE GRID CORPORAT Effective date: 20121210 Owner name: SUZHOU POWER SUPPLY COMPANY OF JIANGSU ELECTRIC PO Free format text: FORMER OWNER: ZHANGJIAGANG POWER SUPPLY COMPANY OF JIANGSU ELECTRIC POWER COMPANY Effective date: 20121210 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215600 SUZHOU, JIANGSU PROVINCE TO: 215004 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121210 Address after: 215004 No. three Xiang Xiang Road, Suzhou, Jiangsu, 458 Patentee after: Suzhou Power Supply Co., Ltd. of Jiangsu Electric Power Company Patentee after: Jiangsu Electric Power Company Patentee after: State Grid Corporation of China Patentee after: Zhangjiagang Power Supply Company of Jiangsu Province Electric Power Co., Ltd. Address before: 215600 No. 1 Renmin West Road, Jiangsu, Zhangjiagang Patentee before: Zhangjiagang Power Supply Company of Jiangsu Province Electric Power Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101020 |
|
| CX01 | Expiry of patent term |