CN113433508B - Measuring device construction acceptance commissioning detection device and detection method thereof - Google Patents
Measuring device construction acceptance commissioning detection device and detection method thereof Download PDFInfo
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- CN113433508B CN113433508B CN202110690738.5A CN202110690738A CN113433508B CN 113433508 B CN113433508 B CN 113433508B CN 202110690738 A CN202110690738 A CN 202110690738A CN 113433508 B CN113433508 B CN 113433508B
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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Abstract
The invention relates to a measuring device construction acceptance commissioning detection device and a detection method thereof, wherein the measuring device comprises a host and an extension; the host and the extension are electrically connected through a line-checking meter pen; the host comprises a voltage and current input module, a line inspection information receiving unit, a power management unit, an electric energy metering unit and a host main control unit, wherein the voltage and current input module is externally connected with an input signal through a wiring terminal; the host main control unit comprises a keyboard management module, an ARM manager, a WiFi module, a temperature and humidity sensor, an LCD display module, a UART interface, an RS485 interface, an SPI interface and a USB interface; the ARM manager is used as a master control center and is electrically connected with each module of the host; the invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a measuring device construction acceptance commissioning detection device and a detection method thereof.
Background
The quality and accuracy of installation of the electric energy metering device are directly related to the personal interests of users and electric power enterprises, and professional personnel are organized by an electricity management department to carry out comprehensive examination and acceptance before the electric energy metering device is put into operation. The method aims to find and correct errors in installation work in time, check whether the installation quality and the wiring process of the metering device meet requirements, approve related technical management parameters and provide accurate technical data information for establishing customer files. At present, a universal meter is mainly adopted for construction inspection of a metering device, tools such as a battery, a direct-current voltage ammeter, a universal meter and a clamp type ammeter are adopted for inspection and acceptance after the metering device is finished, the technical level, the working experience and the like of personnel to be inspected are influenced, and the finished inspection and acceptance result of the metering device is not ideal; the phase volt-ampere meter and the electric energy meter field check meter are used for conducting inspection and acceptance, voltage phase sequence, secondary circuit wiring judgment and metering error detection are achieved, the problem of detection after the metering device is put into operation is solved, and the problems that line survey is difficult in construction and the completion inspection and acceptance result is uncertain of the metering device are not effectively solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a measuring device construction acceptance commissioning detection device and a detection method thereof. The invention analyzes the advantages and disadvantages of the prior construction, acceptance and commissioning detection method of the metering device, provides a detection device integrating the construction, completion acceptance and commissioning detection of the metering device based on an information coding technology and a plurality of selection technologies and combined with the measurement of a power source and a mutual inductor, the judgment of wiring and the measurement detection method, and solves the technical problem of difficult construction, acceptance and commissioning field detection of the electric energy metering device.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a metering device construction acceptance commissioning detection device comprises a host and an extension; the host and the extension are electrically connected through a line-checking meter pen;
the host comprises a voltage and current input module, a line inspection information receiving unit, a power management unit, an electric energy metering unit and a host main control unit, wherein the voltage and current input module is externally connected with an input signal through a wiring terminal; the host main control unit comprises a keyboard management module, an ARM manager, a WiFi module, a temperature and humidity sensor, an LCD display module, a UART interface, an RS485 interface, an SPI interface and a USB interface; the ARM manager is used as a main control center and is electrically connected with each module of the host;
the electric energy metering unit comprises an analog-to-digital converter and a DSP (digital signal processor) which are electrically connected; the ARM manager exchanges information with the electric energy metering unit through the SPI interface, reads electric energy meter data through the RS485 interface, is connected with the line checking module through the UART interface, realizes USB flash disk data storage and test data derivation through the USB interface, and real-time measurement site environment temperature and humidity are realized through the temperature and humidity sensor.
As a further improvement of the above technical solution:
the extension is arranged at the side of the mutual inductor, the wire marked by the extension is connected with the outgoing wire at the secondary side of the mutual inductor, the extension sends a detection signal with specific information of the wire on different wires, the host sequentially receives the detection signal to judge the corresponding relation between the host and the wire connected with the extension and sequentially complete all wire connection checks, and the host interface displays the wire connection of the electric energy meter in a form and/or graphic mode to prompt the wire connection error and correct connection method;
the power source of the extension is a voltage and current signal source added into the metering loop, and the electric energy meter is in a working state; the host machine tests the correctness of the secondary circuit wiring at the side of the electric energy meter and checks the working state of the electric energy meter; measuring CT transformation ratio and polarity;
the extension comprises a wiring terminal, a line inspection information sending unit, a power supply management unit, a three-phase power source unit and an extension main control unit, wherein the extension main control unit comprises a keyboard management module, an ARM manager, an LCD display module, a UART interface, an SPI interface and a USB interface; the ARM manager is used as a main control center and is electrically connected with all modules of the host.
The wire clamp is connected with an insulating rod.
The line inspection information sending unit comprises an 8-to-1 multi-way switch and a photoelectric isolator, and the host machine compiles different corresponding codes for each way and sends the codes on corresponding wires in sequence; the host is provided with a line-checking signal receiving unit corresponding to the line-checking information sending unit, the line-checking signal receiving unit is sequentially connected with different wires through a line-checking meter pen, receives line-checking coded signals sent by the line-checking information sending unit of the extension, and is connected to a UART interface receiving end of an ARM manager through a photoelectric coupler;
the line-checking signal sending unit is used for sequentially sending out wire coding signals through a MAX308ES multiplexer by a UART interface of an ARM manager; the line-checking signal receiving unit is sequentially connected with different leads through a line-checking meter pen, receives line-checking coding signals transmitted by the extension, and is connected to a UART interface receiving end of the ARM manager through a photoelectric coupler U9;
the line-checking information sending unit comprises optocouplers U1-U7 which are connected in parallel, a pin 1 of the optocoupler U1 is connected with a VCC end through a resistor RK1, a pin 2 is electrically connected with a pin 4 of a chip U8, a pin 8 of the chip U8 is connected with a collector of a triode Q1, an emitter of the triode Q1 is grounded, and a base of the triode Q1 is connected with a signal through a resistor R1; a pin 4 of the optocoupler U1 is connected with a VDD end through a resistor RB1, a pin 3 of the optocoupler U1 is connected with a lead-out wire clamp of a wire checking interface JIO and is respectively connected with Ua on the secondary side of a transformer of the metering device, and the optocouplers U2-U7 respectively correspond to Ub, uc, ia +, ia-, ic + and Ic-;
the line-checking information receiving module comprises an optocoupler U9, wherein a pin 1 of the optocoupler U9 is connected with an interface JIP pin 2, the interface JIP pin 1 is grounded, the pin 2 is grounded through a resistor RK1, a pin 4 is connected with a VCC end, one path of the pin 3 is grounded through a resistor RB1, and the other path of the pin is amplified through an amplifier U10A and a U10B and then outputs a signal.
A measuring device construction acceptance commissioning detection method executes the following steps by means of a detection device; SA1, firstly, adjusting the length and the angle of an insulating rod according to the field working condition, and connecting a wire clamp to the insulating rod to perform insulating operation; then, the ground wire terminals of the extension are connected with the ground wire of the site, and the outgoing wire clamps of the wire inspection interface JIO are respectively connected with Ua, ub, uc, ia +, ia-, ic + and Ic-on the secondary side of the mutual inductor of the metering device;
SA2, an ARM manager of the extension transmits coding information which belongs to the corresponding wire clip on each wire clip circularly through a MAX308ES multiplexer through TXD of a UART interface;
SA3, arranging the host on the side of the electric energy meter, connecting a ground wire terminal with a field ground wire, sequentially detecting the electric energy meter terminal by using a line-checking meter pen, and forming a test loop by the extension, a lead of the line-checking meter pen and the host; the ARM manager of the host machine receives information sent by the extension through the UART interface RXD, analyzes information content, and an LCD display screen of the host machine displays the definition of a wire connected with a tested terminal on the side of the mutual inductor to prompt workers.
A method for measuring transformation ratio and polarity of a field completion acceptance mutual inductor of a metering device executes the following steps;
SB1, the branch wiring terminals are correspondingly connected with Ua, ub, uc, ia +, ia-, ic +, ic-starting power sources on the secondary side of the mutual inductor of the metering device;
SB2, simultaneously measuring signals on two sides of the mutual inductor by the host, calculating an effective value and a phase difference by the electric energy metering unit, calculating a transformation ratio of the mutual inductor according to the effective value ratio of the two signals, and judging the polarity of the mutual inductor according to the phase difference of the two signals;
and SB3, displaying the transformation ratio and the polarity of the transformer on the LCD display screen by the host and storing.
As a further improvement of the technical scheme:
the host machine tests electrical parameters at the side of the electric energy meter, realizes wire connection judgment, reads the data of the electric energy meter and analyzes the data.
A measuring device construction acceptance commissioning detection method executes a measuring method after a detection method.
A method of assembling a fitting for a measuring device construction acceptance commissioning detection device for assembling the insulating rod of the device of claim 3;
the insulating rod comprises a first insulating rod head and a second insulating rod head which are hinged; the first insulating rod head and the second insulating rod head are provided with corresponding connecting inclined planes; the connection inclined plane of the first insulating rod head is inclined at 45 degrees relative to the axial line of the first insulating rod head, and the connection inclined plane of the second insulating rod head is inclined at 45 degrees relative to the axial line of the second insulating rod head;
a first positioning process groove is formed in the side wall of the first insulating rod head, and a second positioning process groove is formed in the side wall of the second insulating rod head for angle control;
the outer side wall of the first insulating rod head is in threaded connection with a first fixed seat, the first insulating rod head is sleeved with a first spring of which the root is connected with the first fixed seat, first front clamping bulges are arranged on the periphery of the outer side wall of the first insulating rod head, a first front clamping channel is arranged between the adjacent first front clamping bulges, and the first spring is arranged between the first front clamping bulges and the first fixed seat;
a first inclined plane female sleeve is vertically arranged on the connecting inclined plane of the first insulating rod head, and a first inner clamping groove is formed in the inner side wall of the first inclined plane female sleeve;
a second inclined plane male shaft with a second clamping steel ball distributed on the outer side wall is vertically arranged on the connecting inclined plane of the second insulating rod head;
the second clamping steel ball is used for entering the first inner clamping groove;
a third force transmission sleeve is arranged on the first insulating rod head in a key guiding manner and sleeved, and a third external interface I and a third external interface II are respectively arranged at two ends of an inner cavity of the third force transmission sleeve; a third middle stop block with a third middle side wall channel is arranged between the third external interface I and the third external interface II;
the third external interface I corresponds to the first insulating rod head;
the third external interface II corresponds to the second insulating rod head,
the third middle side wall channel and the third middle stop block respectively correspond to the first front clamping bulge;
under the action of the first spring, when the third external interface II is sleeved with the second insulating rod head, the third external interface II is in key connection with the second insulating rod head, and the first front clamping bulge is correspondingly matched with the third middle side wall channel;
after overcoming the action of the first spring, when the third external interface II is separated from the second insulating rod head, the third external interface II is separated from the second insulating rod head key, and the third middle stop block is blocked by the first front clamping bulge;
the inner cavities of the first insulating rod head and the second insulating rod head are respectively provided with corresponding petal-type process inner steps; by means of an assembly device;
SETP1, assembling a second insulating rod head by a second assembling device; by means of a second rotating frame;
SETP1.1, at a second rod feeding station, firstly, sleeving a second insulating rod head on a second positioning cone through a manipulator; then, the second telescopic T-shaped end head enters a second insulating rod head and passes through the gap of the inner step of the petal type process and then rotates; secondly, pressing a second telescopic T-shaped end on the step surface of the step in the petal type process;
SETP1.2, at a second rod head angle adjusting station, monitoring and adjusting the angle and the position of a second insulating rod head through a positioning process groove by a camera and a probe, so that at a second inclined seat mounting station, the connecting inclined plane of the second insulating rod head is vertical to the feeding direction of a second inclined plane male shaft;
SETP1.3, at a second inclined seat mounting station, firstly, pre-storing a second inclined plane male shaft provided with a second clamping steel ball in a second inclined seat feeding device; then, vertically installing a second inclined plane male shaft into a connecting inclined plane center positioning hole of a second insulating rod head by using a feeding manipulator;
SETP1.4, in a second welding station, a welding manipulator thermoplastically welds the second inclined plane male shaft and the second insulating rod head;
SETP1.5, at a second angle adjusting station, adjusting the position and the angle of a second inclined plane male shaft by a camera;
SETP1.6, in a second output station, firstly, the second telescopic T-shaped end head and the second insulating rod head rotate backwards and are separated; then, the output manipulator outputs the second insulating rod head to the next procedure;
SETP2, assembling a first insulating rod head by a first assembling device; by means of a first rotating frame; the outer side wall of the first fixed seat is of a gear structure;
SETP2.1, in a first gear sleeve feeding station, firstly, preassembling a first fixed seat and a first spring; then, the feeding manipulator inserts the first fixed seat at the output end of the feeding channel into the first positioning cone;
in a first upper seat station, firstly, sleeving a first insulating rod sleeve on a first positioning cone by a feeding manipulator; then, the first telescopic T-shaped end enters the first insulating rod head, penetrates through the gap of the inner step of the petal type process and then rotates, and the first telescopic T-shaped end is pressed on the step surface of the inner step of the petal type process;
SETP2.3, in a first assembly station, firstly, a first assembly shifting fork clamps a first fixed seat and pushes the first fixed seat to a first insulation rod head thread; then, the first assembly driving gear drives the first fixed seat to be in threaded connection with the first insulating rod head;
in a third assembly station, firstly, a third force transmission outer sleeve is sleeved on the first insulating rod by the feeding manipulator, so that the first front clamping protrusion corresponds to the first front clamping channel, and the third middle side wall channel corresponds to the first front clamping protrusion; then, the feeding manipulator controls the third force transmission outer sleeve to overcome the action of the first spring, so that the third middle stop block is blocked by the first front blocking bulge;
at a first inclined plane assembling station, firstly, a feeding manipulator assembles a first inclined plane female sleeve on a connecting inclined plane of a first insulating rod head; then, a welding machine carries out hot welding on the first inclined plane female sleeve and the first insulating rod head;
SETP2.6, at a first angle adjusting station, firstly, adjusting the rotation angle and the position of a first inclined plane female sleeve by a camera and a probe;
SETP2.7, at a first and second assembly station, the assembly manipulator receives the assembled second insulating rod head sent by the corresponding process and assembles the second insulating rod head with the first insulating rod head according to a set angle, so that a second clamping steel ball is matched with the first inner clamping groove;
and SETP2.8, outputting the assembled insulating rod by an output manipulator at an assembly output station.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use. The invention relates to a detection device integrating the construction line inspection, completion acceptance and commissioning detection of a metering device. The work efficiency of field workers is greatly improved, the reliability of completion acceptance is improved, and the accuracy of the operation of the metering device is confirmed.
The metering device is characterized in that a mutual inductor and an electric energy meter are not located at the same position, field construction personnel need to accurately know the corresponding relation of all wires of a secondary circuit, an extension is located on the side of the mutual inductor, a wire marked by the extension is connected with an outgoing wire on the secondary side of the mutual inductor, a host is located on the side of the electric energy meter and sequentially checks the wiring of the end of the electric energy meter, the extension sends detection signals with specific information of the wires on different wires, and the host sequentially receives the signals to judge the corresponding relation of the wires connected with the host and the extension. And sequentially finishing all wiring checks, and displaying the wiring of the electric energy meter by a host interface in a form and graphic mode to prompt wiring errors and correct connection.
The invention relates to an extension set which is connected with the inlet wire end (secondary side of a mutual inductor) of a secondary circuit of an electric energy metering device, wherein a power source of the extension set is a voltage and current signal source added into a metering circuit, and an electric energy meter is in a working state; the host tests the correctness of the secondary circuit wiring at the electric energy meter side, and can also check the working state of the electric energy meter; the CT transformation ratio and polarity can be measured.
The method comprises the steps of measuring the transformation ratio and the polarity of a current transformer by using a host, detecting errors of the electric energy meter, measuring electric parameters, analyzing harmonic waves, displaying waveforms, judging connection wires, displaying a vector diagram, and reading and analyzing data of the electric energy meter.
Drawings
FIG. 1 is a functional block diagram of the present invention.
Fig. 2 is a block diagram of a module for sending line-checking information according to the present invention.
FIG. 3 is a block diagram of the line-lookup information receiving method of the present invention.
Figure 4 is a block diagram of the extension of the present invention.
FIG. 5 is a block diagram of a host according to the present invention.
Fig. 6 is a schematic diagram of the manager wiring of the present invention.
FIG. 7 is a schematic view of the insulation rod structure of the wire-checking meter pen of the present invention.
FIG. 8 is a second partial structure diagram of the insulation bar of the wire look-up pen of the present invention.
FIG. 9 is a schematic view of a first portion of the insulation bar of the wire-checking meter pen of the present invention.
Detailed Description
the host machine is arranged on the side of the electric energy meter and sequentially checks the wiring of the end of the electric energy meter;
the host comprises a voltage and current input module, a line inspection information receiving unit, a power management unit, an electric energy metering unit and a host main control unit, wherein the voltage and current input module is externally connected with an input signal through a wiring terminal; the host main control unit comprises a keyboard management module, an ARM manager, a WiFi module, a temperature and humidity sensor, an LCD display module, a UART interface, an RS485 interface, an SPI interface and a USB interface;
the ARM manager is used as a main control center and is electrically connected with each module of the host;
the electric energy metering unit comprises an electric parameter measuring unit; the electrical parameter measuring unit comprises a 16-bit analog-to-digital converter, a 32-bit DSP digital signal processor and an auxiliary circuit; the input end is connected with a three-phase voltage signal and three-path current signals input by the wiring terminal, and the electric energy metering unit has the functions of standard electric energy metering, electric parameter measurement, harmonic analysis, waveform measurement, PT transformation ratio and CT transformation ratio and polarity measurement;
the electric energy metering unit is an electric parameter measuring unit consisting of a 16-bit analog-to-digital converter, a 32-bit DSP digital signal processor and an auxiliary circuit, wherein the model of the 16-bit analog-to-digital converter is AD7606BSTZ, the model of the 32-bit DSP digital signal processor is TMS320F28335PGFA, and the electric energy metering unit has the functions of standard electric energy metering, electric parameter measurement, harmonic analysis and waveform measurement.
The LCD display module adopts a 5-inch high-resolution true color LCD display screen with a capacitance touch function to display field test data;
the ARM manager exchanges information with the electric energy metering unit through the SPI interface, reads electric energy meter data through the RS485 interface, is connected with the line checking module through the UART interface, realizes USB flash disk data storage and test data derivation through the USB interface, and real-time measurement site environment temperature and humidity are realized through the temperature and humidity sensor.
The branch machine is arranged at the side of the mutual inductor, the wire marked by the branch machine is connected with the outgoing wire of the secondary side of the mutual inductor, and the wire clamp is connected with an insulating rod; the extension set sends detection signals with specific information of the conducting wire on different wires, the host machine sequentially receives the detection signals to judge the corresponding relation between the host machine and the conducting wires connected with the extension set and sequentially complete all wiring checks, and the interface of the host machine displays the wiring of the electric energy meter in a form and graphic mode to prompt wiring errors and correct wiring methods;
when the metering device is in acceptance, the extension set is connected to a secondary circuit line inlet end (secondary side of a mutual inductor) of the metering device, a power source of the extension set is a voltage and current signal source added into the metering circuit, and the electric energy meter is in a working state; the host machine tests the correctness of the secondary circuit wiring at the side of the electric energy meter and checks the working state of the electric energy meter; measuring CT transformation ratio and polarity;
the extension comprises a wiring terminal, a line-checking information sending unit, a power supply management unit, a three-phase power source unit and an extension main control unit, wherein the extension main control unit comprises a keyboard management module, an ARM manager, an LCD display module, a UART interface, an SPI interface and a USB interface; the ARM manager is used as a main control center and is electrically connected with each module of the host;
the line inspection information sending unit comprises an 8-to-1 multi-way switch and a photoelectric isolator, and the host machine compiles different corresponding codes for each way and sends the codes on corresponding wires in sequence; the host is provided with a line-checking signal receiving unit corresponding to the line-checking information sending unit, the line-checking signal receiving unit is sequentially connected with different wires through a line-checking meter pen, receives line-checking coding signals sent by the extension line-checking information sending unit, and is connected with a UART interface receiving end of the ARM manager through a photoelectric coupler.
The metering device construction line-checking function is completed by a line-checking information sending unit and a line-checking information receiving module, wherein the line-checking signal sending unit sends out wire coding signals in sequence through a MAX308ES multiplexer by a UART interface of an ARM manager; the line-checking signal receiving unit is sequentially connected with different leads through a line-checking meter pen, receives line-checking coding signals transmitted by the extension, and is connected with a UART interface receiving end of the ARM manager through a photoelectric coupler U9.
The line-checking information sending unit comprises optocouplers U1-U7 which are connected in parallel, a pin 1 of the optocoupler U1 is connected with a VCC end through a resistor RK1, a pin 2 is electrically connected with a pin 4 of a chip U8, a pin 8 of the chip U8 is connected with a collector of a triode Q1, an emitter of the triode Q1 is grounded, and a base of the triode Q1 is connected with a signal through a resistor R1; a pin 4 of the optocoupler U1 is connected with a VDD end through a resistor RB1, a pin 3 of the optocoupler U1 is connected with a lead wire clamp of a wire checking interface JIO and respectively connected with Ua on the secondary side of a mutual inductor of the metering device, and the optocouplers U2-U7 respectively correspond to Ub, uc, ia +, ia-, ic + and Ic-;
the line-checking information receiving module comprises an optocoupler U9, wherein a pin 1 of the optocoupler U9 is connected with an interface JIP pin 2, the interface JIP pin 1 is grounded, the pin 2 is grounded through a resistor RK1, a pin 4 is connected with a VCC end, one path of the pin 3 is grounded through a resistor RB1, and the other path of the pin is amplified by amplifiers U10A and U10B and then outputs signals;
the host and the extension adopt a 32-bit ARM manager, a high-speed 32-bit DSP, a 16-bit A/D, a large-capacity FLASH, a standard USB storage, and a latest uCOSIII operating system, a uCGUI graph and a FatFs file system for software. The ARM manager adopts a low-power-consumption and high-performance programmable microprocessor with the model of LPC1788FDB 208; the power management unit is a chargeable 12V battery and is converted into four direct current power supplies of 5V, 3.3V, +12V and-12V through a power converter;
example two:
as shown in fig. 1 to 5, an embodiment of the present invention provides a method for inspecting a line of a metering device in field construction:
SA1, firstly, adjusting the length and the angle of an insulating rod according to the field working condition, and connecting a wire clamp to the insulating rod to perform insulating operation; then, the ground wire terminals of the extension are connected with the ground wire of the site, and the outgoing wire clamps of the wire inspection interface JIO are respectively connected with Ua, ub, uc, ia +, ia-, ic + and Ic-on the secondary side of the mutual inductor of the metering device;
SA2, an ARM manager of the extension transmits coding information special for the corresponding wire clamp on each wire clamp through TXD of a UART interface and MAX308ES multiplexer in a circulating manner;
SA3, arranging a host on the side of the electric energy meter, connecting a ground wire terminal with a field ground wire, sequentially detecting the electric energy meter terminal by using a line-checking meter pen, and forming a test loop by using a branch machine, a lead of the line-checking meter pen and the host; the ARM manager of the host receives information sent by the extension through the UART interface RXD, analyzes information content, and an LCD display screen of the host displays the definition of a lead connected with a tested terminal on the side of the transformer to prompt workers.
Example three:
as shown in fig. 1 to 5, an embodiment of the present invention provides a method for measuring the transformation ratio and polarity of a field completion acceptance transformer of a metering device:
SB1, the branch wiring terminals are correspondingly connected with Ua, ub, uc, ia +, ia-, ic +, ic-starting power sources on the secondary side of the mutual inductor of the metering device;
SB2, simultaneously measuring signals at two sides of the mutual inductor by the host, calculating an effective value and a phase difference by the electric energy metering unit, calculating a transformation ratio of the mutual inductor according to the ratio of the effective values of the two signals, and judging the polarity of the mutual inductor according to the phase difference of the two signals;
and SB3, displaying the transformation ratio and the polarity of the transformer on the LCD display screen by the host and storing.
And SB4, testing the electrical parameters at the side of the electric energy meter by the host, realizing wiring judgment, reading the data of the electric energy meter and analyzing the data.
As a preferred insulating rod for the extension cord clamp, as shown in fig. 6 to 9, the insulating rod includes a first insulating rod head 1 and a second insulating rod head 2 which are hinged; the first insulating rod head 1 and the second insulating rod head 2 are provided with corresponding connecting inclined planes 3; the connection inclined plane 3 of the first insulating rod head 1 is inclined at 45 degrees relative to the axial lead of the first insulating rod head 1, and the connection inclined plane 3 of the second insulating rod head 2 is inclined at 45 degrees relative to the axial lead of the second insulating rod head 2;
a first positioning process groove 4 is formed in the side wall of the first insulating rod head 1, and a second positioning process groove is formed in the side wall of the second insulating rod head 2 for angle control;
the outer side wall of the first insulating rod head 1 is in threaded connection with a first fixed seat 5, the first insulating rod head 1 is sleeved with a first spring 6 the root of which is connected with the first fixed seat 5, the periphery of the outer side wall of the first insulating rod head 1 is provided with a first front clamping bulge 7, a first front clamping channel 8 is arranged between the adjacent first front clamping bulges 7, and the first spring 6 is arranged between the first front clamping bulge 7 and the first fixed seat 5;
a first inclined plane female sleeve 9 is vertically arranged on the connecting inclined plane 3 of the first insulating rod head 1, and a first inner clamping groove 10 is arranged on the inner side wall of the first inclined plane female sleeve 9;
a second inclined male shaft 16 with a second clamping steel ball 17 distributed on the outer side wall is vertically arranged on the connecting inclined surface 3 of the second insulating rod head 2;
the second detent steel ball 17 is used to enter the first inner detent 10.
A third force transmission sleeve 11 is in key guide on the first insulating rod head 1 and sleeved, and a third external interface I12 and a third external interface II13 are respectively arranged at two ends of an inner cavity of the third force transmission sleeve 11; a third middle stop 14 with a third middle side wall channel 15 is arranged between the third outer interface I12 and the third outer interface II13;
the third external interface I12 corresponds to the first insulating rod joint 1;
the third external interface II13 corresponds to the second insulation rod head 2,
the third middle side wall channel 15 and the third middle stop 14 correspond to the first front clamping bulge 7 respectively;
under the action of the first spring 6, when the third external interface II13 is sleeved with the second insulating rod head 2, the third external interface II13 is in key connection with the second insulating rod head 2, and the first front clamping bulge 7 is correspondingly matched with the third middle side wall channel 15;
after overcoming the action of the first spring 6, when the third outer joint II13 is separated from the second insulating rod head 2, the third outer joint II13 is key-separated from the second insulating rod head 2, and the third intermediate stopper 14 is stopped by the first front stopper protrusion 7.
The insulating rod assembling device of the embodiment is used for assembling an insulating rod; wherein, the inner cavities of the first insulating rod head 1 and the second insulating rod head 2 are respectively provided with corresponding petal-type technical inner steps 18; the assembly means comprise first assembly means for the first insulated rod head 1 and/or second assembly means for the second insulated rod head 2. The insulating rod is suitable for various live-line operations, and the safety of people is guaranteed.
The second assembly means comprise a second rotating frame 19 with a plurality of second supporting arms 20; the inclined end surface of the second rotating arm 21 is hinged to the inclined end surface of the second supporting arm 20; a second positioning cone 22 is rotated at the head of the second rotating arm 21, and a second telescopic T-shaped end 23 is arranged at the head end of the second positioning cone 22;
the second rotating frame 19 is provided with a second rod feeding station 24, a second rod head angle adjusting station 25, a second inclined seat mounting station 26, a second welding station 28, a second angle adjusting station 29 and a second output station 30;
a manipulator is arranged at a second rod feeding station 24, the second insulating rod head 2 is sleeved on a second positioning cone 22, a second telescopic T-shaped end 23 enters the second insulating rod head 2 and rotates after penetrating through the gap of the petal-type process inner step 18, and the second telescopic T-shaped end 23 is pressed on the step surface of the petal-type process inner step 18;
a camera and a probe are arranged at the second rod head angle adjusting station 25, and the angle and the position of the second insulating rod head 2 are adjusted according to the positioning process groove, so that the connecting inclined plane 3 of the second insulating rod head 2 is perpendicular to the feeding direction of the second inclined plane male shaft 16 at the second inclined seat mounting station 26;
a second inclined seat feeding device 27 and a feeding manipulator are arranged at the second inclined seat mounting station 26, a second inclined plane male shaft 16 provided with a second clamping steel ball 17 is pre-stored in the second inclined seat feeding device 27, and the feeding manipulator vertically mounts the second inclined plane male shaft 16 into a central positioning hole of the connecting inclined plane 3 of the second insulating rod head 2;
at the second welding station 28, a welding manipulator is provided for thermoplastic welding the second inclined male shaft 16 with the second insulating rod head 2;
a camera is arranged at the second angle adjusting station 29 and is used for adjusting the position and the angle of the second inclined plane male shaft 16;
in a second output station 30, the second telescopic T-shaped end 23 is separated from the second insulating rod head 2, and the station is further provided with an output manipulator for outputting the second insulating rod head 2 to the next working procedure;
the first assembly means comprise a first rotating frame 31 with a plurality of first angular rotating rods 32; a first positioning cone 33 is rotated on the end surface of the first angle rotating rod 32; a first telescopic T-shaped end head is arranged at the head part of the first positioning cone 33;
the first rotating frame 31 is provided with a first gear sleeve feeding station 34, a first upper seat station 35, a first assembling station 36, a third assembling station 39, a first inclined plane assembling station 40, a first angle adjusting station 41, a first second assembling station 42 and an assembling output station 43;
a feeding channel and a feeding manipulator of the first fixed seat 5 are arranged on the first gear sleeve feeding station 34, and the outer side wall of the first fixed seat 5 is of a gear structure; the first fixed seat 5 and the first spring 6 are arranged in a preassembling manner; the feeding manipulator inserts the first fixed seat 5 at the output end of the feeding channel into the first positioning cone 33;
a feeding manipulator of the first insulating rod head 1 is arranged at the first upper seat station 35 and is used for sleeving the first insulating rod head 1 on the first positioning cone 33, the first telescopic T-shaped end enters the first insulating rod head 1 and rotates after penetrating through the gap of the petal-type process inner step 18, and the first telescopic T-shaped end is pressed on the step surface of the petal-type process inner step 18;
a first assembly shifting fork 37, a first assembly driving gear 38 and a camera are arranged at the first assembly station 36; the first assembly shifting fork 37 is used for clamping the first fixed seat 5 and pushing the first fixed seat 5 to the first insulating rod head 1 thread, and the first assembly driving gear 38 drives the first fixed seat 5 to be in threaded connection with the first insulating rod head 1;
at the third assembly station 39, a feeding manipulator of the third force transmission housing 11 is provided, for sleeving the third force transmission housing 11 on the first insulating rod head 1, the first front clamping protrusion 7 corresponds to the first front clamping channel 8, the third middle side wall channel 15 corresponds to the first front clamping protrusion 7, and after the action of the first spring 6 is overcome, the third middle stop 14 is blocked by the first front clamping protrusion 7;
a feeding manipulator and a welding machine of the first inclined plane female sleeve 9 are arranged at the first inclined plane assembling station 40; the feeding manipulator is used for assembling the first inclined plane female sleeve 9 on the connecting inclined plane 3 of the first insulating rod head 1, and the welding machine is used for carrying out hot welding on the first inclined plane female sleeve 9 and the first insulating rod head 1;
a camera and a probe are arranged at the first angle adjusting station 41 and are used for adjusting the rotation angle and the position of the first inclined plane female sleeve 9;
an assembly manipulator is arranged at the first and second assembly stations 42 and is used for receiving the assembled second insulating rod head 2 sent by the corresponding process and assembling the second insulating rod head 2 with the first insulating rod head 1 according to a set angle, and the second clamping steel ball 17 is matched with the first inner clamping groove 10;
at the assembly output station 43, an output manipulator is provided for outputting the assembled insulation rods.
A process for assembling an insulating rod as an insulating rod; the insulating rod comprises a first insulating rod head 1 and a second insulating rod head 2 which are hinged; the first insulating rod head 1 and the second insulating rod head 2 are provided with corresponding connecting inclined planes 3; the connection inclined plane 3 of the first insulating rod head 1 is inclined at 45 degrees relative to the axial lead of the first insulating rod head 1, and the connection inclined plane 3 of the second insulating rod head 2 is inclined at 45 degrees relative to the axial lead of the second insulating rod head 2;
a first positioning process groove 4 is formed in the side wall of the first insulating rod head 1, and a second positioning process groove is formed in the side wall of the second insulating rod head 2 for angle control;
the outer side wall of the first insulating rod head 1 is in threaded connection with a first fixed seat 5, a first spring 6 with the root part connected with the first fixed seat 5 is sleeved on the first insulating rod head 1, a first front clamping bulge 7 is arranged on the periphery of the outer side wall of the first insulating rod head 1, a first front clamping channel 8 is arranged between the adjacent first front clamping bulges 7, and the first spring 6 is arranged between the first front clamping bulge 7 and the first fixed seat 5;
a first inclined plane female sleeve 9 is vertically arranged on the connecting inclined plane 3 of the first insulating rod head 1, and a first inner clamping groove 10 is arranged on the inner side wall of the first inclined plane female sleeve 9;
a second inclined male shaft 16 with a second clamping steel ball 17 distributed on the outer side wall is vertically arranged on the connecting inclined surface 3 of the second insulating rod head 2;
the second clamping steel ball 17 is used for entering the first inner clamping groove 10;
a third force transmission sleeve 11 is in key guide on the first insulating rod head 1 and sleeved, and a third external interface I12 and a third external interface II13 are respectively arranged at two ends of an inner cavity of the third force transmission sleeve 11; a third middle stop block 14 with a third middle side wall channel 15 is arranged between the third outer interface I12 and the third outer interface II13;
the third external interface I12 corresponds to the first insulating rod joint 1;
the third external interface II13 corresponds to the second insulation rod head 2,
the third middle side wall channel 15 and the third middle stop block 14 respectively correspond to the first front clamping bulge 7;
under the action of the first spring 6, when the third external interface II13 is sleeved with the second insulating rod head 2, the third external interface II13 is in key connection with the second insulating rod head 2, and the first front clamping bulge 7 is correspondingly matched with the third middle side wall channel 15;
after overcoming the action of the first spring 6, when the third external interface II13 is separated from the second insulating rod head 2, the third external interface II13 is separated from the second insulating rod head 2 by key, and the third middle stop block 14 is stopped by the first front stop boss 7;
wherein, the inner cavities of the first insulating rod head 1 and the second insulating rod head 2 are respectively provided with corresponding petal-type technical inner steps 18; by means of an assembly device;
SETP1, a second assembly device is assembled on a second insulating rod head 2; by means of a second rotating frame 19;
SETP1.1, at a second rod feeding station 24, firstly, sleeving a second insulating rod head 2 on a second positioning cone 22 through a manipulator; then, the second telescopic T-shaped end 23 enters the second insulating rod head 2 and rotates after passing through the gap of the petal-type process inner step 18; secondly, the second telescopic T-shaped end 23 is pressed on the step surface of the inner step 18 in the petal type process;
SETP1.2, at a second rod head angle adjusting station 25, a camera and a probe are monitored through a positioning process groove and the angle and the position of a second insulating rod head 2 are adjusted, so that at a second inclined seat mounting station 26, a connecting inclined plane 3 of the second insulating rod head 2 is perpendicular to the feeding direction of a second inclined plane male shaft 16;
SETP1.3, in a second inclined seat mounting station 26, firstly, pre-storing a second inclined male shaft 16 provided with a second clamping steel ball 17 in a second inclined seat feeding device 27; then, the feeding manipulator vertically installs the second inclined plane male shaft 16 into the central positioning hole of the connecting inclined plane 3 of the second insulating rod head 2;
SETP1.4, in a second welding station 28, a welding manipulator thermoplastically welds the second inclined male shaft 16 and the second insulating rod head 2;
SETP1.5, in a second angle adjusting station 29, the position and the angle of a second inclined plane male shaft 16 are adjusted by a camera;
SETP1.6, in the second output station 30, firstly, the second telescopic T-shaped end 23 and the second insulating rod head 2 rotate and retreat to be separated; then, the output manipulator outputs the second insulating rod head 2 to the next process;
SETP2, assembling a first insulating rod head 1 by a first assembling device; by means of the first rotating frame 31; wherein, the outer side wall of the first fixed seat 5 is of a gear structure;
SETP2.1, in a first gear sleeve feeding station 34, firstly, preassembling a first fixed seat 5 and a first spring 6; then, the feeding manipulator inserts the first fixing seat 5 at the output end of the feeding channel into the first positioning cone 33;
in a first upper seat station 35, firstly, a feeding manipulator sleeves a first insulating rod head 1 on a first positioning cone 33; then, the first telescopic T-shaped end head enters the first insulating rod head 1 and passes through the gap of the petal-type process inner step 18 to rotate, and the first telescopic T-shaped end head is pressed on the step surface of the petal-type process inner step 18;
in a first assembly station 36, firstly, a first assembly shifting fork 37 clamps a first fixed seat 5, and pushes the first fixed seat 5 to a thread of a first insulation rod head 1; then, the first assembly driving gear 38 drives the first fixed seat 5 to be in threaded connection with the first insulation rod head 1;
in a third assembly station 39, firstly, a feeding manipulator sleeves a third force transmission outer sleeve 11 on a first insulating rod head 1, so that a first front clamping protrusion 7 corresponds to a first front clamping channel 8, and a third middle side wall channel 15 corresponds to the first front clamping protrusion 7; then, the feeding manipulator controls the third force transmission outer sleeve 11 to overcome the action of the first spring 6, so that the third middle stop 14 is blocked by the first front blocking bulge 7;
in a first inclined plane assembling station 40, firstly, a feeding manipulator assembles a first inclined plane female sleeve 9 on a connecting inclined plane 3 of a first insulating rod head 1; then, the welding machine carries out hot welding on the first inclined plane female sleeve 9 and the first insulating rod head 1;
SETP2.6, at a first angle adjusting station 41, firstly, a camera and a probe adjust the rotation angle and the position of a first inclined plane female sleeve 9;
SETP2.7, in a first second assembly station 42, an assembly manipulator receives the assembled second insulating rod head 2 sent by the corresponding process and assembles the second insulating rod head 2 with the first insulating rod head 1 according to a set angle, so that a second clamping steel ball 17 is matched with the first inner clamping groove 10;
and SETP2.8, and the assembled insulating rod is output by an output manipulator at an assembly output station 43.
The above embodiments can be combined, wherein the present embodiment provides a foldable, bending-resistant, torsion-resistant insulating rod, thereby ensuring the safety of wiring. In order to improve the production efficiency, the invention also provides a production line and a production process of the first insulating rod head 1, the second insulating rod head 2 and the third force transmission jacket 11, the production line and the production process have flexibility and expansibility, and angle control is realized by the contact of a process groove and a probe, so that the problem of misassembly of an assembly angle is avoided.
The present invention is fully described for clarity of disclosure and is not exhaustive of the prior art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (2)
1. The utility model provides a metering device construction is checked and is accepted commissioning detection device which characterized in that: the system comprises a host and an extension; the host and the extension are electrically connected through a line-checking meter pen;
the host comprises a voltage and current input module, a line inspection information receiving unit, a power management unit, an electric energy metering unit and a host main control unit, wherein the voltage and current input module is externally connected with an input signal through a wiring terminal; the host main control unit comprises a keyboard management module, an ARM manager, a WiFi module, a temperature and humidity sensor, an LCD display module, a UART interface, an RS485 interface, an SPI interface and a USB interface; the ARM manager is used as a main control center and is electrically connected with each module of the host;
the electric energy metering unit comprises an analog-to-digital converter and a DSP (digital signal processor) which are electrically connected; the ARM manager exchanges information with the electric energy metering unit through an SPI interface, reads data of an electric energy meter through an RS485 interface, is connected with the line checking module through a UART interface, realizes USB (universal serial bus) interface data storage and test data export, and measures the temperature and the humidity of the site environment in real time through a temperature and humidity sensor;
the extension is arranged at the side of the mutual inductor, the wire marked by the extension is connected with the outgoing wire at the secondary side of the mutual inductor, the extension sends a detection signal with specific information of the wire on different wires, the host sequentially receives the detection signal to judge the corresponding relation between the host and the wire connected with the extension and sequentially complete all wire connection checks, and the host interface displays the wire connection of the electric energy meter in a form and/or graphic mode to prompt the wire connection error and correct connection method;
the power source of the extension is a voltage and current signal source added into the metering loop, and the electric energy meter is in a working state; the host machine tests the correctness of the secondary circuit wiring at the side of the electric energy meter and checks the working state of the electric energy meter; measuring CT transformation ratio and polarity;
the extension comprises a wiring terminal, a line inspection information sending unit, a power supply management unit, a three-phase power source unit and an extension main control unit, wherein the extension main control unit comprises a keyboard management module, an ARM manager, an LCD display module, a UART interface, an SPI interface and a USB interface; the ARM manager is used as a main control center and is electrically connected with each module of the host;
the wire clamp is connected with an insulating rod;
the insulating rod comprises a first insulating rod head (1) and a second insulating rod head (2) which are hinged; the first insulating rod head (1) and the second insulating rod head (2) are provided with corresponding connecting inclined planes (3); the connection inclined plane (3) of the first insulating rod head (1) is inclined at 45 degrees relative to the axial lead of the first insulating rod head (1), and the connection inclined plane (3) of the second insulating rod head (2) is inclined at 45 degrees relative to the axial lead of the second insulating rod head (2);
a first positioning process groove (4) is formed in the side wall of the first insulating rod head (1), and a second positioning process groove is formed in the side wall of the second insulating rod head (2) to control the angle;
the outer side wall of the first insulation rod head (1) is in threaded connection with a first fixing seat (5), a first spring (6) with the root part connected with the first fixing seat (5) is sleeved on the first insulation rod head (1), first front clamping bulges (7) are arranged on the periphery of the outer side wall of the first insulation rod head (1), a first front clamping channel (8) is arranged between the adjacent first front clamping bulges (7), and the first spring (6) is arranged between the first front clamping bulges (7) and the first fixing seat (5);
a first inclined plane female sleeve (9) is vertically arranged on the connecting inclined plane (3) of the first insulating rod head (1), and a first inner clamping groove (10) is arranged on the inner side wall of the first inclined plane female sleeve (9);
a second inclined plane male shaft (16) with a second clamping steel ball (17) distributed on the outer side wall is vertically arranged on the connecting inclined plane (3) of the second insulating rod head (2);
the second clamping steel ball (17) is used for entering the first inner clamping groove (10);
a third force transmission sleeve (11) is in key guide on the first insulating rod joint (1) and sleeved, and a third external interface I (12) and a third external interface II (13) are respectively arranged at two ends of an inner cavity of the third force transmission sleeve (11); a third middle stop block (14) with a third middle side wall channel (15) is arranged between the third outer interface I (12) and the third outer interface II (13);
the third external interface I (12) corresponds to the first insulating rod joint (1);
the third external interface II (13) corresponds to the second insulating rod head (2),
the third middle side wall channel (15) and the third middle stop block (14) respectively correspond to the first front clamping bulge (7);
under the action of the first spring (6), when the third external interface II (13) is sleeved with the second insulating rod head (2), the third external interface II (13) is in key connection with the second insulating rod head (2), and the first front clamping bulge (7) is correspondingly matched with the third middle side wall channel (15);
after overcoming the action of the first spring (6), when the third external interface II (13) is separated from the second insulating rod head (2), the third external interface II (13) is separated from the second insulating rod head (2) in a key way, and the third middle stop block (14) is blocked by the first front clamping bulge (7);
the inner cavities of the first insulating rod head (1) and the second insulating rod head (2) are respectively provided with corresponding petal type technical inner steps (18).
2. The metering device construction acceptance commissioning detection device of claim 1, wherein: the line inspection information sending unit comprises an 8-to-1 multi-way switch and a photoelectric isolator, and the host machine compiles different corresponding codes for each way and sends the codes on corresponding wires in sequence; the host is provided with a line-checking signal receiving unit corresponding to the line-checking information sending unit, the line-checking signal receiving unit is sequentially connected with different wires through a line-checking meter pen, receives line-checking coded signals sent by the line-checking information sending unit of the extension, and is connected to a UART interface receiving end of an ARM manager through a photoelectric coupler;
the line-checking signal sending unit is used for sequentially sending out wire coding signals through a MAX308ES multiplexer by a UART interface of an ARM manager; the line-checking signal receiving unit is sequentially connected with different leads through a line-checking meter pen, receives line-checking coded signals sent by the extension and is connected to a UART interface receiving end of the ARM manager through a photoelectric coupler U9;
the line-checking information sending unit comprises optocouplers U1-U7 which are connected in parallel, a pin 1 of the optocoupler U1 is connected with a VCC end through a resistor RK1, a pin 2 is electrically connected with a pin 4 of a chip U8, a pin 8 of the chip U8 is connected with a collector of a triode Q1, an emitter of the triode Q1 is grounded, and a base of the triode Q1 is connected with a signal through a resistor R1; a pin 4 of the optocoupler U1 is connected with a VDD end through a resistor RB1, a pin 3 of the optocoupler U1 is connected with a lead-out wire clamp of a wire checking interface JIO and is respectively connected with Ua on the secondary side of a transformer of the metering device, and the optocouplers U2-U7 respectively correspond to Ub, uc, ia +, ia-, ic + and Ic-;
the line-checking information receiving module comprises an optocoupler U9, wherein a pin 1 of the optocoupler U9 is connected with an interface JIP pin 2, the interface JIP pin 1 is grounded, the pin 2 is grounded through a resistor RK1, a pin 4 is connected with a VCC end, one path of the pin 3 is grounded through a resistor RB1, and the other path of the pin is amplified through an amplifier U10A and a U10B and then outputs a signal.
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