CN114189012A - Alternating-current charging stake electric energy measurement detection module - Google Patents

Alternating-current charging stake electric energy measurement detection module Download PDF

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Publication number
CN114189012A
CN114189012A CN202111422900.1A CN202111422900A CN114189012A CN 114189012 A CN114189012 A CN 114189012A CN 202111422900 A CN202111422900 A CN 202111422900A CN 114189012 A CN114189012 A CN 114189012A
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China
Prior art keywords
transmission
disc
ring
electric energy
floating
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Granted
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CN202111422900.1A
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Chinese (zh)
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CN114189012B (en
Inventor
康钦一
徐毅敏
杨志
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China Inspection And Inspection Group South Testing Co ltd
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China Inspection And Inspection Group South Testing Co ltd
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Priority to CN202111422900.1A priority Critical patent/CN114189012B/en
Publication of CN114189012A publication Critical patent/CN114189012A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/12—Electric charging stations

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The invention discloses an electric energy metering and detecting module of an alternating current charging pile; comprises a shell, a disc counter and a signal processing module; the disc counter for displaying the consumed electric energy comprises a stepping motor, a first combination disc, a second combination disc, a first combination ring and a second combination ring, wherein the first combination disc, the second combination disc and the first combination ring are in same-plane nested transmission; the first combined ring and the second combined ring are overlapped, crossed and embedded for transmission, so that the volume of the counter is reduced, and the counter can be placed into a charging pile body with a narrow space for use; meanwhile, self-locking can be realized among all transmission parts under a non-transmission state, so that the detection data of the electric energy consumption can be reliably reserved under the unexpected conditions of sudden power failure or falling and the like.

Description

Alternating-current charging stake electric energy measurement detection module
Technical Field
The invention relates to the field of electric energy metering and detecting, in particular to an electric energy metering and detecting module of an alternating current charging pile.
Background
The alternating current charging pile is used as an electric energy consumption device and an electric energy metering device, the metering accuracy needs to be regularly detected, the detection device is usually required to be placed in the charging pile in the detection process, the electric energy consumption of the alternating current charging pile within a period of time is measured to obtain an electric energy consumption value, and the electric energy consumption value is compared with a metering value of a meter of the alternating current charging pile to obtain a metering error value; with the popularization of the alternating current charging pile, the light weight and the miniaturization become the future development direction of the alternating current charging pile due to the manufacturing cost, the convenience of transportation and installation and the like; with the miniaturization of the alternating-current charging pile, the electric energy metering detection module which adopts the electronic counter to count the electric energy is easy to cause counting loss and even damage of the counting device due to the adoption of an electronic counting mode under the condition of unexpected power failure such as poor line contact or unexpected falling in the detection process, and the reliability is lower; and the electric energy metering detection module utilizing the code wheel type mechanical counter to count the electric energy has the problem that the electric energy detection module adopting the code wheel type mechanical counter to count is large in size and difficult to place in the alternating-current charging pile due to the fact that the code wheel type mechanical counter is large in size, particularly in the thickness direction.
Disclosure of Invention
The invention aims to overcome the defects and provide the electric energy metering and detecting module of the alternating current charging pile, which has smaller thickness and can reliably record the power consumption.
In order to achieve the purpose, the invention adopts the following specific scheme:
an electric energy metering and detecting module of an alternating current charging pile comprises a shell, a disc type counter and a signal processing module;
the shell comprises a rear shell for mounting each functional component; the housing further comprises a front shell for viewing the disc counter reading; the front shell is made of transparent materials;
the disc counter comprises a stepping motor, a first combined disc, a second combined disc, a first combined ring and a second combined ring; the first combination disc comprises a first transmission disc and a first coded disc; the second combination disc comprises a second transmission disc and a second coded disc; the first combination ring comprises a first transmission ring and a first code ring; the second combined ring comprises a second transmission ring and a second code ring; the first transmission disc, the second transmission disc and the first transmission ring are in nested engagement transmission with the same plane so as to reduce the space occupation in the thickness direction;
the signal processing module is used for processing the collected signals such as the current and the voltage of the alternating current charging pile, calculating the consumed electric energy and converting the consumed electric energy into pulse signals, and controlling the stepping motor to drive the disc type counter to display the consumed electric energy in a digital form through the pulse signals.
Furthermore, a first notch used for forming an unlocking state is arranged on the upper side of the first transmission disc; a first connecting arm is arranged at the middle position of the first notch arc along the radial direction of the first transmission disc, and a first shifting pin is arranged on the upper side of the first connecting arm;
a plurality of first notches which are distributed along the radial direction and are used for being matched with the first shifting pins for transmission are uniformly distributed on the lower side of the second transmission disc; and a third notch which is meshed with the outer edge of the first transmission disc to lock the second transmission disc is arranged between every two adjacent first notches.
Furthermore, a second notch used for forming an unlocking state is arranged on the upper side of the second transmission disc; a second connecting arm is arranged at the middle position of the arc of the second notch along the radial direction of the second transmission disc, and a second shifting pin is arranged on the upper side of the second connecting arm;
a plurality of second notches which are matched with the second shifting pins for transmission are radially arranged on the inner side of the first transmission ring; and a fourth notch which is meshed with the second transmission disc and used for locking the first transmission ring is arranged between the two adjacent second notches.
Furthermore, the second transmission ring is positioned on the upper side of the first transmission ring and is embedded with the first transmission ring in a crossing manner; the ring surface of the first transmission ring is provided with a mounting hole, and a floating shifting pin capable of sliding along the mounting hole is arranged in the mounting hole; a plurality of arc-shaped first driving grooves matched with the floating shifting pins are uniformly distributed at the bottom of the second transmission ring; the floating shifting pin can move upwards and be inserted into the first driving groove to drive the second transmission ring; and a second boss for driving the floating shifting pin to move upwards is arranged below the inserting position of the floating shifting pin and the first driving groove.
Furthermore, the base body is provided with a floating locking pin which can slide along the thickness direction of the base body; the floating locking pin is inserted into the first driving groove to lock the second transmission ring; the floating locking pin is connected with the base body through a first tension spring; a first boss used for jacking the floating locking pin is arranged on the lower side of the first transmission ring body; the angle difference between the first boss and the floating shifting pin is an integer of unit angles.
Furthermore, the disc counter also comprises a panel; the panel is provided with a first mounting part which can be combined into an annular space by a second mounting part and is used for mounting the second transmission ring; the panel is also provided with an observation window for observing the electricity consumption number.
Compared with the prior art, the invention has the beneficial effects that:
1. through the nested transmission of the transmission mechanisms of the disc counter on the same plane, the space occupation in the thickness direction is reduced while the transmission is realized, so that the thickness of the whole alternating current charging pile electric energy metering detection module is thinner, and the alternating current charging pile electric energy metering detection module is convenient to place in an alternating current charging pile with a narrow space;
2. through the self-locking effect of each transmission mechanism of the disc type counter in the transmission process, when the conditions such as accidental power failure or falling impact occur in the metering detection process, the reading of the counter can be reliably reserved, and the detection reliability of the whole alternating-current charging pile detection module is enhanced.
Drawings
FIG. 1 is an exploded schematic view of the present invention;
FIG. 2 is an exploded schematic view of the disc counter of the present invention;
FIG. 3 is a perspective view in half section of a first composite disk of the present invention;
FIG. 4 is a perspective view in half section of a second modular disc of the present invention;
FIG. 5 is a perspective view of a second drive disk of the present invention;
FIG. 6 is a perspective view in half section of the first combining ring of the present invention;
FIG. 7 is a half-section perspective view of the second ring assembly of the present invention;
FIG. 8 is a half-sectional perspective view of the locking base of the present invention;
FIG. 9 is a perspective view of a panel of the present invention;
FIG. 10 is a perspective view of the first drive disk of the present invention in engagement with the second drive disk;
FIG. 11 is a perspective view of the second drive disk of the present invention in engagement with the first drive ring;
description of reference numerals: 1. a housing; 2. a disk counter; 3. a signal processing module; 4. a stepping motor; 5. a locking base; 6. a first combination tray; 7. a second combined ring; 8. a panel; 8a, a first mounting portion; 8b, a digital window; 9. a second combination tray; 10. a first combining ring; 11. a first code wheel; 11a, percentile numbers; 12. a first drive disk; 12a, a first notch; 12b, a first pin; 12c, a first connecting arm; 13. a second drive disk; 13a, a second notch; 13b, a second pin; 13c, a second connecting arm; 13d, a third gap; 13e, a first notch; 13f, a first mandrel; 14. a second code wheel; 14a, decile digit; 15. a first drive ring; 15a, a first boss; 15b, a second notch; 15c, a fourth gap; 16. a first code ring; 17. floating shifting pins; 18. a second drive ring; 18a, a first drive slot; 19. a second code ring; 20. a base body; 20a, a second boss; 20b, a second mounting portion; 20c, a third mounting portion; 20d, a fourth mounting portion; 20e, a first mounting hole; 20f, a second mounting hole; 21. a first tension spring; 22. a floating locking pin.
Detailed Description
The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.
As shown in fig. 1 to 11, the electric energy metering and detecting module for the ac charging pile according to the present embodiment includes a housing 1, a disk counter 2, and a signal processing module 3;
the shell 1 comprises a rear shell for mounting each functional component; the housing 1 also comprises a front shell for observing the reading of the disc counter 2; the front shell is made of transparent materials;
the disc counter 2 comprises a stepping motor 4, a first combination disc 6, a second combination disc 9, a first combination ring 10 and a second combination ring 7; the first combination disk 6 comprises a first transmission disk 12 and a first coded disk 11; the second combined disk 9 comprises a second transmission disk 13 and a second code disk 14; the first combining ring 10 comprises a first transmission ring 15 and a first code ring 16; the second combining ring 7 comprises a second transmission ring 18 and a second code ring 19; the first transmission disc 12, the second transmission disc 13 and the first transmission ring 15 are in nested engagement transmission with the plane to reduce the space occupation in the thickness direction;
the signal processing module 3 is used for processing the collected signals of the alternating current charging pile such as current and voltage, calculating consumed electric energy and converting the consumed electric energy into pulse signals, and controlling the pulse synchronous motor to drive the disc counter 2 to display the consumed electric energy in a digital form through the pulse signals.
Specifically, 0-9 Arabic numerals are sequentially arranged on the front faces of the first coded disc 11, the second coded disc 14, the first code ring 16 and the second code ring 19 at equal intervals along the edge of the discs; the number on the first code disc 11 is the percentile number 11a of the disc counter 2, the number on the second code disc 14 is the decile number 14a of the disc counter 2, the number on the first code ring 16 is the unit number of the disc counter 2, and the number on the second code ring 19 is the tens number of the disc counter 2; the output end of the stepping motor 4 is fixedly connected with the first transmission disc 12; the first transmission disc 12 and the second transmission disc 13 are meshed and transmitted through the outer circle edges; the second transmission disc 13 is meshed with the inner annular surface of the first transmission ring 15 for transmission, and the first transmission ring 15 is overlapped on the upper side of the second transmission ring 18 in a staggered manner and meshed with the second transmission ring 18 for transmission;
specifically, the disc counter 2 and the signal processing module 3 are hermetically packaged in a space formed by combining the front shell and the rear shell 1, and the signal processing module 3 is provided with a detection signal input interface and a pulse output interface connected with the disc counter 2.
The specific working mode of the embodiment is as follows: the electric energy metering and detecting module of the alternating-current charging pile is connected into the circuit of the alternating-current charging pile through an external lead, signals such as current, voltage and the like in the circuit are detected, and the electric energy consumption of the alternating-current charging pile is processed and calculated through the signal processing module 3; the signal processing module 3 converts the calculated electric energy consumption into a pulse signal, the stepping motor 4 is controlled by the pulse signal to drive the first combination disk 6 to rotate, the first combination disk 6 drives the second combination disk 9, the first combination ring 10 and the second combination ring 7 to rotate, and the electric energy consumption is recorded through the first coded disk 11, the second coded disk 14, the first code ring 16 and the second code ring 19.
The consumed electric energy is recorded through the disc type counter 2, so that the reliability is higher, and the recorded data cannot be lost when accidents such as sudden power failure, high-altitude falling and the like occur; on the other hand, first combination dish 6, second combination dish 9, first combination ring 10 are driven through the mode that inlays the meshing with the plane cover, have avoided the coaxial registrate space of current code wheel formula counter to occupy big defect, can reduce the size of counter in the thickness direction greatly, and then make whole alternating-current charging stake electric energy measurement detection module thickness thinner, are convenient for place in constrictive charging stake pile body inside.
Based on the above embodiment, further, the first notch 12a for forming the unlocking state is arranged on the upper side of the first transmission disc 12; a first connecting arm 12c is arranged at the arc middle position of the first notch 12a along the radial direction of the first transmission disc 12, and a first shifting pin 12b is arranged on the upper side of the first connecting arm 12 c;
a plurality of first notches 13e which are distributed along the radial direction and are used for being matched with the first shifting pins 12b for transmission are uniformly distributed on the lower side of the second transmission disc 13; and a third notch 13d which is meshed with the outer edge of the first transmission disc 12 to lock the second transmission disc 13 is arranged between every two adjacent first notches 13 e.
Specifically, the number of the first notches 13e and the third notches 13d is equal to the number of the numbers on the first coded disc 11 and the second coded disc 14, and the positions correspond to one another; a mandrel with the axis coinciding with the axis of the first drive disk 12 is arranged in the middle of the lower side of the first drive disk 12; a first mandrel 13f with the axis coincident with the axis of the second transmission disc 13 is arranged in the middle of the lower side of the second transmission disc 13; the bottom of the base body 20 is provided with a second mounting hole 20f for mounting the first drive disk 12; the bottom of the base body 20 is also provided with a first mounting hole 20e for mounting the second transmission disc 13; the first transmission disc is matched with the first notch 13e through the first shifting pin 12b to drive the second transmission disc 13 to rotate; the first transmission disc 12 is engaged with the third notch 13d through the outer edge to realize the locking of the second transmission disc 13 in the non-transmission state.
When the locking device works, the stepping motor 4 drives the first transmission disc 12 to rotate, and when the first transmission disc 12 rotates until the first shifting pin 12b is clamped into the first notch 13e, the outer edge of the first transmission disc 12 is meshed with the third notch 13d, so that the second transmission disc 13 is in a locking state; when the first driving disk 12 rotates until the first shifting pin 12b is clamped into the first notch 13e, at this time, in the rotating direction, the front side edge of the first notch 12a exceeds the central position of the third notch 13d, so that the edge of the first driving disk 12 loses the locking capacity on the second driving disk 13, and the second driving disk 13 is in an unlocking state; with the further rotation of the first transmission disc 12, the first shifting pin 12b is driven to drive the second transmission disc 13 to rotate by a unit angle through the first notch 13 e; the unit angle is defined as the angle rotated by the code disc in the process of indexing the number on the code disc from the current number to the next number; when first drive disk 12 drives first group round pin 12b and removes along first notch 13e export direction to rotate to and when breaking away from with first notch 13e, on the direction of rotation, first breach 12a back side edge is along surpassing third breach 13d central point and is put, and the cooperation of first drive disk 12 outward flange and third breach 13d is carried out the locking to second transmission ring 18.
The transmission is realized by the matching of the first poking pin 12b and the plurality of first notches 13e, and the ratio of the first notches 13e to the first poking pin 12b is the count scale; the first shifting pin 12b rotates for a circle to drive the second transmission disc 13 to rotate for a unit angle, and the number on the disc is increased by a unit amount, so that the power consumption is recorded; simultaneously because second drive disk 13 is in the unblock state only at the rotation in-process, all is in the locking state of first drive disk 12 among all other nonrotation processes for whole disk counter 2 shock resistance is stronger, also can accurately reliably take notes power consumption under the collision operating mode of falling.
Based on the above embodiment, further, the upper side of the second transmission disc 13 is provided with a second notch 13a for forming an unlocking state; a second connecting arm 13c is arranged at the arc middle position of the second notch 13a along the radial direction of the second transmission disc 13, and a second shifting pin 13b is arranged on the upper side of the second connecting arm 13 c;
a plurality of second notches 15b which are matched with the second pulling pins 13b for transmission are radially arranged on the inner side of the first transmission ring 15; and a fourth notch 15c which is meshed with the second transmission disc 13 and locks the first transmission ring 15 is arranged between the two adjacent second notches 15 b.
Specifically, the base body 20 is provided with a third mounting portion 20c, and the first transmission ring 15 is rotatably mounted in the third mounting portion 20 c; the second transmission disc 13 is matched with the second notch 15b through a second shifting pin 13b to drive the first transmission ring 15 to rotate; the edge of the second transmission disc 13 is meshed with the fourth notch 15c to lock the first transmission ring 15; the number of the second notches 15b and the fourth notches 15c is equal to that of the numbers on the third code disc, and the positions of the second notches and the fourth notches correspond to those of the numbers on the third code disc one by one.
When the transmission device works, the second transmission disc 13 drives the second shifting pin 13b to rotate, and when the second transmission disc 13 rotates until the second shifting pin 13b is clamped into the second notch 15b, the outer edge of the second transmission disc 13 is meshed with the fourth notch 15c, so that the first transmission ring 15 is in a locking state; when the second transmission disc 13 rotates until the second shifting pin 13b is clamped into the second notch 15b, the front side edge of the second notch 13a exceeds the center position of the fourth notch 15c in the rotating direction, so that the edge of the second transmission disc 13 loses the locking capacity on the first transmission ring 15, and the first transmission ring 15 is in an unlocking state; with the further rotation of the two transmission discs, the second shifting pin 13b is driven to drive the first transmission ring 15 to rotate by a unit angle through the second notch 15 b; when second driving disk 13 drives second group's round pin 13b and moves along second notch 15b export direction to rotate to when breaking away from with second notch 15b, on the direction of rotation, second breach 13a back side edge is along surpassing fourth breach 15c central point and is put, and second driving disk 13 outward flange locks first drive ring 15 with fourth breach 15c cooperation.
The second transmission disc 13 with the smaller volume is sleeved and embedded in the first transmission ring 15, so that the space occupation of a transmission device on the horizontal plane is reduced, the width size of the whole alternating-current charging pile electric energy metering detection module is smaller, and the alternating-current charging pile electric energy metering detection module is convenient to place in a narrow charging pile body; and meanwhile, the impact resistance of the disc counter 2 is improved due to the locking action between the second transmission disc 13 and the first transmission ring 15, and the measurement reliability of the whole electric energy measurement detection module of the alternating-current charging pile is improved.
Based on the above embodiment, further, the second transmission ring 18 is located on the upper side of the first transmission ring 15 and is nested with the first transmission ring 15 in a crossing manner; the ring surface of the first transmission ring 15 is provided with a mounting hole, and a floating shifting pin 17 which can slide along the mounting hole is arranged in the mounting hole; a plurality of circular arc-shaped first driving grooves 18a matched with the floating shifting pins 17 are uniformly distributed at the bottom of the second driving ring 18; the floating shifting pin 17 can be upwards inserted into the first driving groove 18a to drive the second transmission ring 18; a second boss 20a for driving the floating pin 17 to move up is provided below the insertion position of the floating pin 17 and the first driving groove 18 a.
Specifically, the disc counter 2 further includes a base body 20; the base body 20 is provided with a circular fourth mounting part 20d, and the first transmission ring 15 and the fourth mounting part 20d are coaxially and rotatably mounted; the second boss 20a is positioned at the bottom of the fourth mounting part 20 d; a return spring is arranged between the floating toggle pin 17 and the first transmission ring 15;
when the floating shifting pin 17 rotates to an inserting position, the floating shifting pin 17 is jacked up and extends out due to the jacking action of the second boss 20a and is inserted into the first driving groove 18 a; as the first transmission ring 15 continues to rotate, the floating shift pin 17 slides along the first driving groove 18a, and simultaneously drives the first driving groove 18a to rotate, and when the first transmission ring 15 drives the floating shift pin 17 to rotate by a unit angle, the floating shift pin 17 slides out of the first driving groove 18a and is separated from the first driving groove 18 a; with the rotation of the floating pin 17, the bottom of the floating pin is separated from the contact with the second boss 20a, and the floating pin is reset to the initial lowest position, so that the floating pin is prevented from interfering with the second transmission ring 18 when rotating to the second half circle.
The floating bayonet is driven by the second boss 20a to be matched with the first driving groove 18a, so that the second driving ring 18 which is embedded in a crossed and sleeved mode is driven, the driving structure is simplified, and the occupied volume is reduced.
Based on the above embodiment, further, the base body 20 is provided with a floating locking pin 22 which can slide along the thickness direction of the base body 20; the floating locking pin 22 is connected with the base body 20 through a first tension spring 21; a first boss 15a used for jacking the floating locking pin 22 is arranged on the lower side of the ring body of the first transmission ring 15; the angular difference between the first boss 15a and the floating pin 17 is an integer number of unit angles.
Specifically, the floating lock pin 22 has an L-shaped structure, the vertical portion is a lock portion that is inserted into the first driving groove 18a to lock the second driving ring 18, and the horizontal portion is an abutting portion that abuts against the first boss 15a to unlock the first driving groove 18 a.
When the device works, the floating locking pin 22 is located at the highest point under the action of the elastic force of the first tension spring 21, and at the moment, the floating locking pin 22 is inserted into the first driving groove 18a to lock the second transmission ring 18; since the angle difference between the floating shift pin 17 and the first boss 15a is an integer number of unit angles, when the first transmission ring 15 is indexed to the insertion position of the floating shift pin 17, the floating lock pin 22 moves downward under the extrusion of the first boss 15a, and the second transmission ring 18 is converted into the unlocking state; when the first rotating ring drives the second transmission ring 18 to rotate by a unit angle, the abutting part of the floating locking pin 22 is separated from the first boss 15a, and is reset to the highest point under the elastic force of the first tension spring 21, and the first tension spring is inserted into the first driving groove 18a to lock the second transmission disc 13.
The first boss 15a is arranged on the first transmission ring 15 to drive the floating locking pin 22 to lock the second transmission ring 18, so that the second transmission ring 18 is in a locking state in a non-transmission state, the impact resistance of the disc counter 2 is improved, and the electric energy consumption metering reliability of the whole alternating current charging pile electric energy metering detection module is higher;
based on the above embodiment, further, the disc counter 2 further includes a panel 8; the panel 8 is provided with a first mounting part 8a which can be combined into an annular space by a second mounting part 20b and is used for mounting the second transmission ring 18; and the panel 8 is also provided with an observation window for observing the electricity consumption number.
When the device works, the first mounting part 8a and the second mounting part 20b are combined into an annular mounting space, and the second transmission disc 13 is mounted in the annular mounting space, so that the second transmission ring 18 can rotate more reliably and accurately, and the second transmission disc 13 which is not completely positioned and is prevented from shifting or being damaged due to accidental falling and the like; the digital observation window of electric quantity can avoid other digital interference readings on the digital disk, makes things convenient for the observer to observe power consumption.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.

Claims (6)

1. The utility model provides an alternating-current charging stake electric energy measurement detection module which characterized in that: comprises a shell (1), a disc counter (2) and a signal processing module (3);
the shell (1) comprises a rear shell for mounting each functional component; the housing (1) further comprises a front shell for observing the reading of the disc counter (2); the front shell is made of transparent materials;
the disc counter (2) comprises a stepping motor (4), a first combined disc (6), a second combined disc (9), a first combined ring (10) and a second combined ring (7); the first combined disc (6) comprises a first transmission disc (12) and a first coded disc (11); the second combined disc (9) comprises a second transmission disc (13) and a second coded disc (14); the first combination ring (10) comprises a first transmission ring (15) and a first code ring (16); the second combined ring (7) comprises a second transmission ring (18) and a second code ring (19); the first transmission disc (12), the second transmission disc (13) and the first transmission ring (15) are in nested engagement transmission with the same plane so as to reduce the space occupation in the thickness direction;
the signal processing module (3) is used for processing the collected signals such as the current and the voltage of the alternating current charging pile, calculating the consumed electric energy and converting the consumed electric energy into pulse signals, and the pulse signals control the stepping motor (4) to drive the disc type counter (2) to display the consumed electric energy in a digital form.
2. The alternating-current charging pile electric energy metering detection module according to claim 1, characterized in that: a first notch (12a) used for forming an unlocking state is formed in the upper side of the first transmission disc (12); a first connecting arm (12c) is arranged at the arc middle position of the first notch (12a) along the radial direction of the first transmission disc (12), and a first shifting pin (12b) is arranged on the upper side of the first connecting arm (12 c);
a plurality of first notches (13e) which are distributed along the radial direction and are used for being matched with the first shifting pins (12b) for transmission are uniformly distributed on the lower side of the second transmission disc (13); a third notch (13d) which is meshed with the outer edge of the first transmission disc (12) to lock the second transmission disc (13) is arranged between every two adjacent first notches (13 e).
3. The alternating-current charging pile electric energy metering detection module according to claim 1, characterized in that: a second notch (13a) for forming an unlocking state is formed in the upper side of the second transmission disc (13); a second connecting arm (13c) is arranged at the arc middle position of the second notch (13a) along the radial direction of the second transmission disc (13), and a second shifting pin (13b) is arranged on the upper side of the second connecting arm (13 c);
a plurality of second notches (15b) which are matched with the second shifting pins (13b) for transmission are radially arranged on the inner side of the first transmission ring (15); and a fourth notch (15c) which is meshed with the second transmission disc (13) and locks the first transmission ring (15) is arranged between the two adjacent second notches (15 b).
4. The alternating-current charging pile electric energy metering detection module according to claim 1, characterized in that: the second transmission ring (18) is positioned on the upper side of the first transmission ring (15) and is embedded with the first transmission ring (15) in a crossing manner; the ring surface of the first transmission ring (15) is provided with a mounting hole, and a floating shifting pin (17) which can slide along the mounting hole is arranged in the mounting hole; a plurality of circular arc-shaped first driving grooves (18a) matched with the floating shifting pins (17) are uniformly distributed at the bottom of the second driving ring (18); the floating shifting pin (17) can move upwards and be inserted into the first driving groove (18a) to drive the second driving ring (18); and a second boss (20a) for driving the floating shift pin (17) to move upwards is arranged below the inserting position of the floating shift pin (17) and the first driving groove (18 a).
5. The alternating-current charging pile electric energy metering detection module according to claim 4, characterized in that: the base body (20) is provided with a floating locking pin (22) which can slide along the thickness direction of the base body (20); the floating locking pin (22) is inserted into the first driving groove (18a) to lock the second transmission ring (18); the floating locking pin (22) is connected with the base body (20) through a first tension spring (21); a first boss (15a) used for jacking the floating locking pin (22) is arranged on the lower side of the ring body of the first transmission ring (15); the angle difference between the first boss (15a) and the floating shifting pin (17) is an integer of unit angle.
6. The alternating-current charging pile electric energy metering detection module according to claim 1, characterized in that: the disc counter (2) also comprises a panel (8); the panel (8) is provided with a first mounting part (8a) which can be combined into an annular space by a second mounting part (20b) and is used for mounting the second transmission ring (18); and the panel (8) is also provided with an observation window for observing electricity consumption figures.
CN202111422900.1A 2021-11-26 2021-11-26 Electric energy metering and detecting module for alternating-current charging pile Active CN114189012B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980073415A (en) * 1997-03-14 1998-11-05 이종수 Electricity meter counter
DE102007008570A1 (en) * 2007-02-21 2008-08-28 Helmut Hetzel Portable meter for determining and/or evaluating drinking quantity of dialysis patient, has elastomer loop inserted under elastic tension in teeth valleys and enclosing rectangular disk transverse to longitudinal edges with elastic tension
CN106439198A (en) * 2016-10-25 2017-02-22 武汉船用机械有限责任公司 Valve position indicator
CN107499154A (en) * 2017-08-06 2017-12-22 温州睿楚科技有限公司 A kind of New-energy electric vehicle charging pile equipment
CN110426066A (en) * 2019-03-07 2019-11-08 胡子潜 A kind of solid size disc type sensor for countering and Intelligent water meter of Internet of things
WO2021029600A1 (en) * 2019-08-09 2021-02-18 엘지이노텍 주식회사 Meter reading device and method for controlling meter reading device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980073415A (en) * 1997-03-14 1998-11-05 이종수 Electricity meter counter
DE102007008570A1 (en) * 2007-02-21 2008-08-28 Helmut Hetzel Portable meter for determining and/or evaluating drinking quantity of dialysis patient, has elastomer loop inserted under elastic tension in teeth valleys and enclosing rectangular disk transverse to longitudinal edges with elastic tension
CN106439198A (en) * 2016-10-25 2017-02-22 武汉船用机械有限责任公司 Valve position indicator
CN107499154A (en) * 2017-08-06 2017-12-22 温州睿楚科技有限公司 A kind of New-energy electric vehicle charging pile equipment
CN110426066A (en) * 2019-03-07 2019-11-08 胡子潜 A kind of solid size disc type sensor for countering and Intelligent water meter of Internet of things
WO2021029600A1 (en) * 2019-08-09 2021-02-18 엘지이노텍 주식회사 Meter reading device and method for controlling meter reading device

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