CN110646670A - Phase meter measurement data processing system - Google Patents
Phase meter measurement data processing system Download PDFInfo
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- CN110646670A CN110646670A CN201910917086.7A CN201910917086A CN110646670A CN 110646670 A CN110646670 A CN 110646670A CN 201910917086 A CN201910917086 A CN 201910917086A CN 110646670 A CN110646670 A CN 110646670A
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- electrically connected
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
- G01R25/005—Circuits for comparing several input signals and for indicating the result of this comparison, e.g. equal, different, greater, smaller, or for passing one of the input signals as output signal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a phase meter measurement data processing system which comprises a shell, wherein an arc-shaped trigger rod is fixedly arranged on a dustproof plate, and a heat dissipation plate penetrates through the shell; the digital current interface and the digital voltage interface are electrically connected to the data processing module, the data processing module comprises a signal amplifier, the digital current interface and the digital voltage interface are directly electrically connected to the signal amplifier, the analog current interface and the analog voltage interface are electrically connected to the A/D converter, the A/D converter is electrically connected to the signal amplifier, and the current comparator and the voltage comparator are electrically connected to the main control module. The invention provides a phase meter measurement data processing system, which can detect digital CT/PT and analog CT/PT, has dual purposes, is internally provided with a heat dissipation device which is self-started when in use, can automatically stop heat dissipation after measurement, reduces energy consumption, is convenient to use, and is very worthy of popularization.
Description
Technical Field
The invention relates to the technical field of phase meters, in particular to a phase meter measurement data processing system.
Background
In the prior art, a high-precision volt-ampere phase meter with application number "201720031526.5" comprises a measuring module, a main control module, a communication module, a power supply module, an input module and a display module; the measuring module comprises a current measuring circuit, a voltage measuring circuit and a high-precision measuring chip electrically connected with the two circuits, the measuring chip is used for carrying out signal amplification digital signal processing on current and voltage signals and inputting the amplified voltage and current signals into the main control module, the high-precision volt-ampere phase meter can solve the problem that secondary equipment with small load current is difficult to judge the direction phase measurement with load through the measuring module and the measuring chip, the starting working efficiency can be effectively improved, the touch frequency of a worker for surrounding a secondary core wire with small load current for multiple times is reduced, and the adverse consequence of secondary current open circuit is restrained.
However, the method still has the obvious defects in the using process: 1. according to different working principles and application occasions, the phase meter is generally divided into a digital phase meter and an analog phase meter, the digital phase meter has the advantages of good anti-electromagnetic interference performance, quick and accurate detection, poor compatibility and single function, and is mainly suitable for digital CT/PT, the analog phase meter has the advantages of convenient and visual reading, wide application range, poor anti-electromagnetic interference performance and larger reading error, and is mainly suitable for being used in the traditional analog CT/PT, a detector must simultaneously carry two phase meters to meet the working requirement in use, the device can only carry out single detection, the carrying is inconvenient, confusion is easily caused when the device is used, and the improvement of the working efficiency is not facilitated; 2. the lack of necessary heat dissipation devices in the above-mentioned devices leads to the device being apt to cause the phenomenon of overheating at the interface when in use, not only can cause damage to the equipment, but also can lead to the component failure, influence the accuracy of the measuring result.
Disclosure of Invention
The present invention is directed to a phase meter measurement data processing system to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme:
a phase meter measured data processing system comprises a shell, a display screen and a keyboard are fixedly arranged on the outer side of the shell, a digital current interface, a digital voltage interface, an analog current interface and an analog voltage interface are respectively arranged on the side wall of the shell, dust-proof plates are hinged in front of the digital current interface, the digital voltage interface, the analog current interface, the analog voltage interface and the shell and are arranged in the inner cavity of the shell, arc-shaped trigger rods are fixedly arranged on the dust-proof plates, four groups of motor starting switches are arranged on one sides of the inner cavity of the shell close to the dust-proof plates, a heat-dissipating plate is fixedly arranged below the digital current interface, the digital voltage interface, the analog current interface and the analog voltage interface and penetrates through the shell, an outer heat-dissipating filter screen and an inner heat-dissipating filter screen are arranged on the heat-dissipating plate, and a rotating motor is fixedly arranged in the, the rotating motor is respectively electrically connected with four groups of motor starting switches, a transmission rod is fixedly arranged at the output end of the rotating motor, radiating blades are fixedly arranged on the transmission rod, and a power supply module is arranged in the inner cavity of the shell;
the power supply module is electrically connected with a keyboard, the keyboard is respectively electrically connected with the digital current interface, the digital voltage interface, the analog current interface and the analog voltage interface, the digital current interface and the digital voltage interface are electrically connected with the data processing module, the data processing module comprises a signal amplifier, the digital current interface and the digital voltage interface are directly and electrically connected with the signal amplifier, the analog current interface and the analog voltage interface are both electrically connected with the A/D converter, the A/D converter is electrically connected with the signal amplifier, the signal amplifier is respectively electrically connected with the current comparator and the voltage comparator, the current comparator and the voltage comparator are both electrically connected with the main control module, the main control module is electrically connected with the memory, the memory is electrically connected to the communication module, and the communication module is electrically connected to the display screen.
Preferably, the outer heat dissipation filter screen is arranged on the outer side of the shell, and the inner heat dissipation filter screen is arranged in the inner cavity of the shell.
Preferably, the bottom wall of the shell is provided with a wire passing hole.
Preferably, the power module is a storage battery.
Preferably, the main control module is a microprocessor.
Preferably, the communication module is a wireless router.
Compared with the prior art, the invention has the beneficial effects that:
1. the device can detect digital CT/PT and analog CT/PT, has two purposes, is convenient to carry, simple to operate and beneficial to improving the working efficiency, and a shared system exists between the two internal detection modes, so that compared with two sets of independent devices, the device is more simplified in elements, not easy to break down and lower in cost;
2. the heat dissipation device is arranged in the device, so that the phenomenon that the electric wire or element is overheated to damage and reduce the measurement accuracy in the measurement process can be avoided, the heat dissipation device is triggered to start only when the device is used, the rotating motor for heat dissipation stops immediately when the device is not used, extra manual work is not needed to start and close, the operation is simple and convenient, and the power consumption caused by continuous operation of the heat dissipation device when the device is not used is avoided.
The invention provides a phase meter measurement data processing system, which can detect digital CT/PT and analog CT/PT, has dual purposes, is internally provided with a heat dissipation device which is self-started when in use, can automatically stop heat dissipation after measurement, reduces energy consumption, is convenient to use, and is very worthy of popularization.
Drawings
FIG. 1 is a front view of the related structure of the housing of the present invention;
FIG. 2 is a right side sectional view of the internal structure of the housing of the present invention;
FIG. 3 is a block diagram of the structure flow of the present invention.
In the figure: the device comprises a shell 1, a display screen 2, a keyboard 3, a digital current interface 4, a digital voltage interface 5, an analog current interface 6, an analog voltage interface 7, a dustproof plate 8, an arc trigger rod 9, a motor starting switch 10, a heat dissipation plate 11, an outer heat dissipation filter screen 12, an inner heat dissipation filter screen 13, a rotating motor 14, a transmission rod 15, a heat dissipation blade 16, a power module 17, a wire passing hole 18, a signal amplifier 19, a 20A/D converter 21, a current comparator 21, a voltage comparator 22, a main control module 23, a memory 24 and a communication module 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution:
a phase meter measurement data processing system comprises a shell 1, a display screen 2 and a keyboard 3 are fixedly arranged on the outer side of the shell 1, the display screen 2 is used for displaying relevant information, the keyboard 3 is used for mode selection and relevant operation, a digital current interface 4, a digital voltage interface 5, an analog current interface 6 and an analog voltage interface 7 are respectively arranged on the side wall of the shell 1, dustproof plates 8 are hinged in front of the digital current interface 4, the digital voltage interface 5, the analog current interface 6, the analog voltage interface 7 and the shell 1, the dustproof plates 8 are arranged in the inner cavity of the shell 1, the dustproof plates 8 are approximately in a vertical state under the action of gravity when not in use, so that openings of the digital current interface 4, the digital voltage interface 5, the analog current interface 6 and the analog voltage interface 7 are blocked to prevent dust from entering, a detection circuit can be inserted into a relevant detection element (not shown in the figure) after the dustproof plates 8 are propped open, an arc-shaped trigger rod 9 is fixedly arranged on a dustproof plate 8, four groups of motor starting switches 10 are arranged on one side of an inner cavity of a shell 1 close to the dustproof plate 8, the arc-shaped trigger rod 9 is used for triggering the motor starting switches 10, a heat dissipation plate 11 is fixedly arranged below a digital current interface 4, a digital voltage interface 5, an analog current interface 6 and an analog voltage interface 7, the heat dissipation plate 11 penetrates through the shell 1, an outer heat dissipation filter screen 12 and an inner heat dissipation filter screen 13 are arranged on the heat dissipation plate 11, an air inlet is further arranged at the bottom of the heat dissipation plate 11, an ash-proof filter screen can be arranged at the air inlet in order to prevent dust from entering, the outer heat dissipation filter screen 12 and the inner heat dissipation filter screen 13 can not only allow gas exchange, but also prevent external dust from falling into an internal influence device for use, a rotary motor 14 is fixedly arranged in the inner cavity of the heat dissipation plate 11, and the rotary, the rotating motor 14 is electrically connected with the four sets of motor starting switches 10 respectively, when the motor starting switches 10 are triggered, the rotating motor 14 is started, the output end of the rotating motor 14 is fixedly provided with the transmission rod 15, the transmission rod 15 is fixedly provided with the radiating blades 16, the radiating blades 16 rotate to form radiating airflow, the inner cavity of the shell 1 is provided with the power supply module 17, and the power supply module 17 is used for storing electric energy and supplying power for electric elements.
The power module 17 is electrically connected to the keyboard 3, the keyboard 3 is respectively electrically connected to the digital current interface 4, the digital voltage interface 5, the analog current interface 6 and the analog voltage interface 7, the digital current interface 4 and the digital voltage interface 5 are electrically connected to the data processing module, the data processing module comprises a signal amplifier 19, the digital current interface 4 and the digital voltage interface 5 are directly electrically connected to the signal amplifier 19, the signal amplifier 19 can adopt a model 1704-A-002 provided by Bruel & Kjaer brand, the analog current interface 6 and the analog voltage interface 7 are both electrically connected to the A/D converter 20, the A/D converter 20 is an electronic element for converting analog signals into digital signals, and can adopt a model AD5318ARUZ provided by ADI brand, the A/D converter 20 is electrically connected to the signal amplifier 19, the signal amplifier 19 is respectively connected to the current comparator 21, The voltage comparator 22 is electrically connected, the current comparator 21 can be made in model number SGM827x of saint nation, the voltage comparator 22 can be made in model number LM393DT of SHC-SEMI brand, the current comparator 21 and the voltage comparator 22 are both electrically connected to the main control module 23, the main control module 23 is electrically connected to the memory 24, the memory 24 can be made in model number AT24C64D-SSHM-T of MICROCHIP brand, the memory 24 is electrically connected to the communication module 25, and the communication module 25 is electrically connected to the display screen 2.
Preferably, the outer heat dissipation filter 12 is disposed outside the housing 1, and the inner heat dissipation filter 13 is disposed in the inner cavity of the housing 1, so as to cool the inner side and the outer side of the interface simultaneously.
Preferably, the bottom wall of the housing 1 is provided with a wire passing hole 18, and the wire passing hole 18 is provided to facilitate the communication of connecting wires such as wires.
Preferably, the power module 17 is a battery, and the battery can be charged or stored.
Preferably, the master control module 23 is a microprocessor, available under the MICROCHIP brand ATXMEGA128A 1U-AU.
Preferably, the communication module 25 is a wireless router, which may be model number oems 10 under the trade name of trillion.
The working principle is as follows: when in use, firstly, according to the measurement requirement, the relevant selection and operation are carried out on the keyboard 3, if the digital signal is detected, the detection circuit is connected with the digital current interface 4 and the digital voltage interface 5, if the analog signal is detected, the detection circuit is connected with the analog current interface 6 and the analog voltage interface 7, the digital signal directly enters the signal amplifier 19, the analog signal firstly enters the A/D converter 20 to convert the analog signal into the digital signal and then enters the signal amplifier 19, the received signals are amplified by the signal amplifier 19, the result is input into the current comparator 21 and the voltage comparator 22 to respectively carry out the comparison of the current and the voltage, the compared result is processed and analyzed by the main control module 23, the result is stored into the memory 24 and carries out the line transmission data by the communication module 25, the test report is reported to the background of the host, and finally, the related result can be directly displayed on the display screen 2, so that the user can know the test report in time.
In the detection process, the dust guard 8 can be abutted and opened to drive the arc-shaped trigger rod 9 to trigger the motor starting switch 10, at the moment, the rotating motor 14 is started, the transmission rod 15 drives the radiating blades 16 to rotate, the radiating blades 16 generate radiating airflow when rotating, the airflow enters from an air inlet formed in the bottom end of the radiating plate 11, the airflow is blown out of the outer radiating filter screen 12 and the inner radiating filter screen 13 to cool a measuring plug or a wire directly inserted into the measuring plug for detection, and the damage of the element caused by overheating and the influence on the accuracy of a measuring result are prevented; after the detection is finished, the dustproof plate 8 loses the abutting effect and automatically rotates downwards to be closed, so that the arc-shaped trigger rod 9 does not trigger the motor starting switch 10 any more, the rotating motor 14 is closed, the automatic opening and closing are convenient to use, and energy consumption is saved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A phase meter measurement data processing system comprising a housing (1), characterized in that: a display screen (2) and a keyboard (3) are fixedly arranged on the outer side of the shell (1), a digital current interface (4), a digital voltage interface (5), an analog current interface (6) and an analog voltage interface (7) are respectively arranged on the side wall of the shell (1), dust-proof plates (8) are hinged in front of the digital current interface (4), the digital voltage interface (5), the analog current interface (6), the analog voltage interface (7) and the shell (1), the dust-proof plates (8) are arranged in the inner cavity of the shell (1), arc-shaped trigger rods (9) are fixedly arranged on the dust-proof plates (8), four sets of motor starting switches (10) are respectively arranged on one side of the inner cavity of the shell (1) close to the dust-proof plates (8), and heat dissipation plates (11) are fixedly arranged below the digital current interface (4), the digital voltage interface (5), the analog current interface (6) and the analog voltage interface (7), the heat dissipation plate (11) penetrates through the shell (1) and is provided with an outer heat dissipation filter screen (12) and an inner heat dissipation filter screen (13), a rotating motor (14) is fixedly arranged in an inner cavity of the heat dissipation plate (11), the rotating motor (14) is electrically connected with four groups of motor starting switches (10) respectively, a transmission rod (15) is fixedly arranged at the output end of the rotating motor (14), heat dissipation blades (16) are fixedly arranged on the transmission rod (15), and a power module (17) is arranged in the inner cavity of the shell (1);
the power module (17) is electrically connected to the keyboard (3), the keyboard (3) is electrically connected to the digital current interface (4), the digital voltage interface (5), the analog current interface (6) and the analog voltage interface (7) respectively, the digital current interface (4) and the digital voltage interface (5) are electrically connected to the data processing module, the data processing module comprises a signal amplifier (19), the digital current interface (4) and the digital voltage interface (5) are directly and electrically connected to the signal amplifier (19), the analog current interface (6) and the analog voltage interface (7) are both electrically connected to the A/D converter (20), the A/D converter (20) is electrically connected to the signal amplifier (19), and the signal amplifier (19) is electrically connected to the current comparator (21) and the voltage comparator (22) respectively, the current comparator (21) and the voltage comparator (22) are both electrically connected to the main control module (23), the main control module (23) is electrically connected to the memory (24), the memory (24) is electrically connected to the communication module (25), and the communication module (25) is electrically connected to the display screen (2).
2. A phase meter measurement data processing system according to claim 1, characterized by: the outer heat dissipation filter screen (12) is arranged on the outer side of the shell (1), and the inner heat dissipation filter screen (13) is arranged in the inner cavity of the shell (1).
3. A phase meter measurement data processing system according to claim 1, characterized by: the bottom wall of the shell (1) is provided with a wire passing hole (18).
4. A phase meter measurement data processing system according to claim 1, characterized by: the power module (17) is a storage battery.
5. A phase meter measurement data processing system according to claim 1, characterized by: the main control module (23) is a microprocessor.
6. A phase meter measurement data processing system according to claim 1, characterized by: the communication module (25) is a wireless router.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917086.7A CN110646670B (en) | 2019-09-26 | 2019-09-26 | Phase meter measurement data processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910917086.7A CN110646670B (en) | 2019-09-26 | 2019-09-26 | Phase meter measurement data processing system |
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| Publication Number | Publication Date |
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| CN110646670A true CN110646670A (en) | 2020-01-03 |
| CN110646670B CN110646670B (en) | 2021-09-28 |
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| CN201910917086.7A Active CN110646670B (en) | 2019-09-26 | 2019-09-26 | Phase meter measurement data processing system |
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2019
- 2019-09-26 CN CN201910917086.7A patent/CN110646670B/en active Active
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| WO2011067524A2 (en) * | 2009-11-27 | 2011-06-09 | Peugeot Citroën Automobiles SA | Method and device for managing the electric power of an electrochemical storage source installed on-board a hybrid vehicle |
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| CN106370901A (en) * | 2016-11-26 | 2017-02-01 | 国网山东省电力公司蓬莱市供电公司 | Anti-ageing electric meter box capable of preventing electricity stealing |
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