CN110988781A - Electric energy detection calibration system and detection calibration method thereof - Google Patents
Electric energy detection calibration system and detection calibration method thereof Download PDFInfo
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- CN110988781A CN110988781A CN201911198312.7A CN201911198312A CN110988781A CN 110988781 A CN110988781 A CN 110988781A CN 201911198312 A CN201911198312 A CN 201911198312A CN 110988781 A CN110988781 A CN 110988781A
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- electric energy
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses an electric energy detection and calibration system of electric vehicle power supply equipment, which comprises a main control unit, and a standard electric energy detection module and a circuit board circuit electric energy detection module which are respectively connected with the main control unit, wherein the standard electric energy detection module is connected with a measurement circuit, and the output end of the main control unit is connected with a PC (personal computer); the standard electric energy detection module is used for calculating the electric energy consumed by the measurement circuit; the circuit board circuit electric energy detection module is used for calculating the electric energy consumed by the circuit board to be detected; the main control module analyzes and processes data transmitted by the standard electric energy detection module and the circuit board circuit electric energy detection module; compared with the prior art, the method and the device can detect whether the electric energy calculation of the power supply equipment is accurate or not in the manufacturing process of the product, and can calibrate and calibrate the power supply equipment when the calculation has errors, so that the benefits of users and charging pile providers are guaranteed.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to an electric energy detection and calibration system and a detection method of electric energy detection and calibration equipment of an electric vehicle.
Background
With the national vigorous popularization of new energy, the development of new energy vehicles is also faster and faster, electric vehicles are one kind of new energy vehicles, and the new energy vehicles need to be charged by using charging piles or chargers and the like.
The existing electric vehicles are rapidly developed, the types and charging equipment of the electric vehicles are also various, some electric vehicles select to use the charging pile for charging, the charging pile is an electric vehicle charging station, one charging pile can simultaneously charge a plurality of vehicles, and the charging time from no electricity to full charge is more than one hour. The charging pile can realize the charging of timing, power metering degree and money metering amount and can be used as a power purchasing terminal for citizens. However, the timing, the electricity metering and the money metering of all the charging piles are not accurate, and if errors exist, the errors cannot be found in time, so that the utilization of users is damaged, and the benefits of charging pile providers are possibly damaged.
Therefore, the invention discloses an electric energy detection and calibration system for electric vehicle power supply equipment, compared with the prior art, the electric energy detection and calibration system can detect whether the electric energy calculation of the power supply equipment is accurate or not in the manufacturing process of products, and can calibrate and calibrate the power supply equipment when errors exist in the calculation, so that the benefits of users and charging pile providing users are guaranteed, and the invention also provides a clamp which can better clamp a circuit board of the power supply equipment.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides an electric energy detection and calibration system for electric vehicle power supply equipment, which aims to solve the problems that in the prior art, the timing, the electricity metering degree and the money metering amount of charging equipment are possibly inaccurate, and if errors exist, the utilization of a user and the benefit of a person who provides a charging pile are possibly damaged.
The invention is realized by the following technical scheme: the invention discloses an electric energy detection and calibration system of electric vehicle power supply equipment, which comprises a main control unit, and a standard electric energy detection module and a circuit board circuit electric energy detection module which are respectively connected with the main control unit, wherein the standard electric energy detection module is connected with a measurement circuit, and the output end of the main control unit is connected with a PC (personal computer); the standard electric energy detection module is used for calculating the electric energy consumed by the measurement circuit; the circuit board circuit electric energy detection module is used for calculating electric energy consumed by the circuit board to be detected; the main control module analyzes and processes data transmitted by the standard electric energy detection module and the circuit board circuit electric energy detection module; and the PC is used for displaying the electric energy consumed by the measuring circuit, the electric energy consumed by the circuit board to be detected and the comparison value obtained by processing of the processing module.
Preferably, the main control unit includes a processing module and a calibration module, the processing module is configured to compare the electric energy consumed by the circuit board to be detected with the electric energy consumed by the measurement circuit, and the calibration module is configured to adjust the electric energy consumed by the circuit board to be detected to make the electric energy consumed by the circuit board to be detected the same as the electric energy consumed by the measurement circuit.
Preferably, the detection device further comprises a communication module, and the communication module transmits the electric energy consumed by the measuring circuit, the electric energy consumed by the circuit board to be detected and a comparison value obtained by processing of the processing module to the PC.
The invention also comprises a method for detecting and calibrating the electric energy of the power supply equipment, and the method for detecting and calibrating the electric energy is suitable for a system for detecting and calibrating the electric energy of the power supply equipment.
Preferably, the method of detection calibration comprises the steps of:
s100: clamping a circuit board to be detected through a clamp, and electrifying a measuring circuit and the circuit board to be detected;
s200: respectively detecting the electric energy passing through the measuring circuit and the electric energy passing through the circuit board through a standard electric energy detection module and a circuit board circuit electric energy detection module to obtain a first numerical value and a second numerical value;
s300: the first numerical value and the second numerical value are transmitted to the main control unit, and the main control unit compares the first numerical value with the second numerical value;
s400: if the first numerical value is the same as the second numerical value, the detection is finished, and if the first numerical value is different from the second numerical value, the main control unit calibrates the second numerical value to enable the second numerical value to be the same as the first numerical value.
Preferably, in step S100, the fixture includes a base with a cavity, moving grooves and a supporting column, at least four moving grooves are formed in the upper surface of the base, the supporting column is movably connected with the moving grooves, the supporting column clamps the circuit board, a threaded portion is formed in the surface of the supporting column, the fastening device is connected with the threaded portion through threads, a notch is further formed in the side wall of the base, the moving member penetrates through the notch, and one end of the moving member is movably connected with the lower end of the supporting column.
Preferably, the displacement groove is provided in a circular ring shape.
Preferably, the support column includes locating part and support piece, and the locating part includes splint and screw thread post, and splint lower fixed surface is provided with the screw thread post, and support piece includes screw hole, the body of rod and breach, and threaded hole is seted up at the body of rod top, and the screw hole pairs the setting with the screw thread post, and the body of rod is close to the lower extreme lateral wall and has still seted up the breach, and breach swing joint moves the groove.
Preferably, the lower surface of the clamping plate is adhered with a rubber pad, and the top of the rod body is adhered with a rubber pad.
The invention discloses an electric energy detection and calibration system of electric vehicle power supply equipment, which is compared with the prior art:
the main control unit comprises a processing module and a calibration module, wherein the processing module is used for comparing the electric energy consumed by the circuit board to be detected with the electric energy consumed by the measuring circuit, and the calibration module is used for adjusting the electric energy consumed by the circuit board to be detected to enable the electric energy to be the same as the electric energy consumed by the measuring circuit, so that the benefits of users and charging pile providers are guaranteed.
Drawings
FIG. 1 is a flow chart of the present invention for calibrating and detecting electric energy;
FIG. 2 is a schematic block diagram of an electrical energy calibration detection system;
FIG. 3 is an external view of the clamp;
fig. 4 is a schematic structural view of the support jig.
In the figure: 1. a base; 2. moving the groove; 3. a moving member; 4. a notch; 5. a fastening device; 6. a support pillar; 61. a limiting member; 611. a splint; 612. a threaded post; 62. a support member; 621. a threaded hole; 622. a rod body; 623. a threaded portion; 624. and (4) a notch.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
The invention discloses an electric energy detection and calibration system of electric vehicle power supply equipment, which comprises a main control unit, a standard electric energy detection module and a circuit board circuit electric energy detection module, wherein the standard electric energy detection module and the circuit board circuit electric energy detection module are respectively provided with a socket connected with the main control unit, and the socket is part 2 of a connecting device for GBT20234.2 electric vehicle conduction charging in the national standard: and (4) a standard alternating current interface defined in the alternating current charging interface. Seven binding posts of the national standard alternating current interface are respectively as follows: dc main loop L, N, ground PE; connection acknowledge lines CC, CP; reserved interfaces NC1 and NC2, a standard electric energy detection module is connected to the measurement circuit, and the output end of the main control unit is connected with a PC; the standard electric energy detection module is used for calculating the electric energy consumed by the measurement circuit; the circuit board circuit electric energy detection module is used for calculating electric energy consumed by the circuit board to be detected; the circuit board circuit electric energy detection module selects the existing Chroma8000-ATS system, measures the electric energy output by the alternating current charging pile and the performance of the electric energy, outputs a measurement result, and the main control module analyzes and processes data transmitted by the standard electric energy detection module and the circuit board circuit electric energy detection module; and the PC is used for displaying the electric energy consumed by the measuring circuit, the electric energy consumed by the circuit board to be detected and the comparison value obtained by processing of the processing module.
The main control unit comprises a processing module and a calibration module, wherein the processing module selects an LPC1778FBD144 chip and is used for processing detected data and transmitting the data to the liquid crystal display module and the data output interface, the processing module is communicated with the liquid crystal display module through a serial port, the processing module is used for comparing electric energy consumed by the circuit board to be detected with electric energy consumed by the measuring circuit, and the calibration module is used for adjusting the electric energy consumed by the circuit board to be detected to enable the electric energy to be the same as the electric energy consumed by the measuring circuit in value.
The power supply equipment electric energy detection calibration system works by the following method, as shown in fig. 2:
s100: clamping a circuit board to be detected through a clamp, and electrifying a measuring circuit and the circuit board to be detected;
s200: respectively detecting the electric energy passing through the measuring circuit and the electric energy passing through the circuit board through a standard electric energy detection module and a circuit board circuit electric energy detection module to obtain a first numerical value and a second numerical value;
s300: the first numerical value and the second numerical value are transmitted to the main control unit, and the main control unit compares the first numerical value with the second numerical value;
s400: if the first numerical value is the same as the second numerical value, the detection is finished, and if the first numerical value is different from the second numerical value, the main control unit calibrates the second numerical value to enable the second numerical value to be the same as the first numerical value.
As shown in fig. 3, in step S100, the fixture includes a base 1, a moving groove 2, and a supporting pillar 6, the base 1 has at least four moving grooves 2 on its upper surface, the supporting pillar 6 is movably connected to the moving groove 2, the supporting pillar 6 clamps the circuit board, the supporting pillar 6 has a threaded portion 623 on its surface, the fastening device 5 is in threaded connection with the threaded portion 623, the sidewall of the base 1 has a notch 4, the moving member 3 passes through the notch 4, and one end of the moving member 3 is movably connected to the lower end of the supporting pillar 6.
As shown in fig. 4, the supporting column 6 includes a limiting member 61 and a supporting member 62, the limiting member 61 includes a clamping plate 611 and a threaded post 612, the threaded post 612 is fixedly disposed on the lower surface of the clamping plate 611, the supporting member 61 includes a threaded hole 621, a rod body 622 and a notch 624, the threaded hole 621 is formed in the top of the rod body 622, the threaded hole 621 and the threaded post 612 are disposed in a matching manner, the rod body 622 is further provided with the notch 624 near the lower end side wall, the notch 624 is movably connected with the moving groove 2, a rubber pad is adhered to the lower surface of.
In order that the objects and advantages of the invention will become more apparent, the use of the clip of the invention is explained and illustrated in detail below with reference to the following examples:
the traditional circuit board clamp can only clamp circuit boards with specific shapes and sizes generally, and suitable clamps are not easy to find for some special-shaped circuit boards, in the clamp, a moving piece 3 is connected with the bottom end of a moving groove 2, a supporting column 6 can move on the moving groove 2 through the movement of the moving piece 3, a plurality of supporting columns are arranged, a position between a limiting piece 61 and a supporting piece 62 can be adjusted through a rotating limiting piece 61, the rotating limiting piece 61 clamps the circuit boards through a clamping plate 611 and the top of a rod body 622, so that the clamp is suitable for circuit boards with different sizes and shapes, a fastening device 5 is fixedly arranged at the position of the supporting column 6, the fastening device 5 is rotated and is a threaded cylinder, the threaded cylinder is matched with a threaded portion 623, and the fastening device 5 can be rotated to abut against a base 1, so that the supporting column 6 is.
The main control unit comprises a processing module and a calibration module, wherein the processing module is used for comparing the electric energy consumed by the circuit board to be detected with the electric energy consumed by the measuring circuit, and the calibration module is used for adjusting the electric energy consumed by the circuit board to be detected to enable the electric energy to be the same as the electric energy consumed by the measuring circuit, so that the benefits of users and charging pile providers are guaranteed.
The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above embodiments, and it is within the scope of the invention to adopt various insubstantial modifications of the technical solution of the invention or to apply the concept and technical solution of the invention directly to other occasions without any modification.
Claims (10)
1. An electric energy detection calibration system of an electric vehicle power supply device is characterized by comprising a main control unit, a standard electric energy detection module and a circuit board circuit electric energy detection module, wherein the standard electric energy detection module and the circuit board circuit electric energy detection module are respectively connected with the main control unit;
the standard electric energy detection module is used for calculating the electric energy consumed by the measurement circuit;
the circuit board circuit electric energy detection module is used for calculating the electric energy consumed by the circuit board to be detected;
the main control module analyzes and processes data transmitted by the standard electric energy detection module and the circuit board circuit electric energy detection module;
and the PC is used for displaying the electric energy consumed by the measuring circuit, the electric energy consumed by the circuit board to be detected and the comparison value obtained by processing of the processing module.
2. The electric energy detection and calibration system of the electric vehicle power supply equipment as claimed in claim 1, wherein a load module is arranged in the measurement circuit, the load module reduces load power in a current limiting mode, and the electric energy output by the measurement circuit during detection is consumed by a low-power load, so that the size and the weight of the equipment are reduced.
3. The electric energy detection and calibration system of the power supply equipment of the electric vehicle as claimed in claim 1, wherein the main control unit comprises a processing module and a calibration module, the processing module is used for comparing the electric energy consumed by the circuit board to be detected with the electric energy consumed by the measuring circuit, and the calibration module is used for adjusting the electric energy consumed by the circuit board to be detected to make the electric energy have the same value as the electric energy consumed by the measuring circuit.
4. The electric energy detection and calibration system of the electric vehicle power supply equipment as claimed in claim 1, further comprising a communication module, wherein the communication module transmits the electric energy consumed by the measurement circuit, the electric energy consumed by the circuit board to be detected and a comparison value obtained by processing by the processing module to the PC.
5. A method for detecting and calibrating power supply equipment electric energy is characterized in that the method for detecting and calibrating power supply equipment electric energy is applicable to the power supply equipment electric energy detection and calibration system of any one of claims 1 to 4.
6. The method for detecting and calibrating the power supply equipment electric energy according to claim 5, wherein the method for detecting and calibrating the power supply equipment electric energy comprises the following steps:
s100: clamping a circuit board to be detected through a clamp, and electrifying a measuring circuit and the circuit board to be detected;
s200: respectively detecting the electric energy passing through the measuring circuit and the electric energy passing through the circuit board through a standard electric energy detection module and a circuit board circuit electric energy detection module to obtain a first numerical value and a second numerical value;
s300: the first numerical value and the second numerical value are transmitted to the main control unit, and the main control unit compares the first numerical value with the second numerical value;
s400: if the first numerical value is the same as the second numerical value, the detection is finished, and if the first numerical value is different from the second numerical value, the main control unit calibrates the second numerical value to enable the second numerical value to be the same as the first numerical value.
7. The method for detecting and calibrating the electric energy of the power supply equipment according to claim 6, wherein in step S (100), the jig comprises a base (1) provided with a cavity, a moving groove (2) and a supporting column (6), at least four moving grooves (2) are formed in the upper surface of the base (1), the supporting column (6) is movably connected with the moving groove (2), the supporting column (6) clamps the circuit board, a threaded portion (623) is arranged on the surface of the supporting column (6), a fastening device (5) is in threaded connection with the threaded portion (623), a notch (4) is further formed in the side wall of the base (1), the moving member (3) penetrates through the notch (4), and one end of the moving member (3) is movably connected with the lower end of the supporting column (6).
8. The method for detecting the voltage of the plug of the charging device according to claim 7, wherein the moving groove (2) is provided in a ring shape.
9. The method for detecting the plug voltage of the charging device according to claim 7, wherein the supporting column (6) comprises a limiting part (61) and a supporting part (62), the limiting part (61) comprises a clamping plate (611) and a threaded column (612), the threaded column (612) is fixedly arranged on the lower surface of the clamping plate (611), the supporting part (61) comprises a threaded hole (621), a rod body (622) and a notch (624), the threaded hole (621) is formed in the top of the rod body (622), the threaded hole (621) and the threaded column (612) are arranged in a matched manner, the rod body (622) is further provided with a notch (624) near the lower end side wall, and the notch (624) is movably connected with the moving groove (2).
10. The method for detecting the voltage of the plug of the charging device as claimed in claim 9, wherein a rubber pad is adhered to the lower surface of the clamping plate (611), and a rubber pad is adhered to the top of the rod body (622).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198312.7A CN110988781A (en) | 2019-11-29 | 2019-11-29 | Electric energy detection calibration system and detection calibration method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198312.7A CN110988781A (en) | 2019-11-29 | 2019-11-29 | Electric energy detection calibration system and detection calibration method thereof |
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| Publication Number | Publication Date |
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| CN110988781A true CN110988781A (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911198312.7A Pending CN110988781A (en) | 2019-11-29 | 2019-11-29 | Electric energy detection calibration system and detection calibration method thereof |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101039194A (en) * | 2006-03-16 | 2007-09-19 | 中兴通讯股份有限公司 | Method for self-adapting power consumption of wireless network card |
| CN102156228A (en) * | 2011-03-02 | 2011-08-17 | 深圳市科陆电子科技股份有限公司 | System and method for detecting vehicular direct-current charging pile |
| CN106370893A (en) * | 2016-09-19 | 2017-02-01 | 天津帅通科技发展有限公司 | PCB clamping tool |
| KR20180009091A (en) * | 2016-07-18 | 2018-01-26 | 삼성전자주식회사 | Apparatus for clamping a probe card and probe card including the same |
| CN107877216A (en) * | 2017-12-28 | 2018-04-06 | 贵州大学 | New construction stationary fixture is used in a kind of metal special-shaped workpiece processing |
-
2019
- 2019-11-29 CN CN201911198312.7A patent/CN110988781A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101039194A (en) * | 2006-03-16 | 2007-09-19 | 中兴通讯股份有限公司 | Method for self-adapting power consumption of wireless network card |
| CN102156228A (en) * | 2011-03-02 | 2011-08-17 | 深圳市科陆电子科技股份有限公司 | System and method for detecting vehicular direct-current charging pile |
| KR20180009091A (en) * | 2016-07-18 | 2018-01-26 | 삼성전자주식회사 | Apparatus for clamping a probe card and probe card including the same |
| CN106370893A (en) * | 2016-09-19 | 2017-02-01 | 天津帅通科技发展有限公司 | PCB clamping tool |
| CN107877216A (en) * | 2017-12-28 | 2018-04-06 | 贵州大学 | New construction stationary fixture is used in a kind of metal special-shaped workpiece processing |
Non-Patent Citations (2)
| Title |
|---|
| 余浩: "电动汽车充电校准方案的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
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Application publication date: 20200410 |
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