CN107818887B - A kind of intelligent electric meter - Google Patents
A kind of intelligent electric meter Download PDFInfo
- Publication number
- CN107818887B CN107818887B CN201711028451.6A CN201711028451A CN107818887B CN 107818887 B CN107818887 B CN 107818887B CN 201711028451 A CN201711028451 A CN 201711028451A CN 107818887 B CN107818887 B CN 107818887B
- Authority
- CN
- China
- Prior art keywords
- contact
- fixing element
- electromagnetic coil
- unit
- upper housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
- H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
- H01H50/041—Details concerning assembly of relays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/44—Magnetic coils or windings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/02—Bases; Casings; Covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnets (AREA)
- Relay Circuits (AREA)
- Contacts (AREA)
Abstract
A kind of intelligent electric meter relay and intelligent electric meter, including shell, control red line, control black line, trigger winding, rotating unit, movable plate unit, stationary plate unit, the first electromagnetic coil, the first fixing element, the second electromagnetic coil and the second fixing element.By the setting of electromagnetic coil and fixing element, make relay after driving current, stable switch connection or off-state can still be maintained.
Description
Technical field
The present invention relates to a kind of intelligent electric meters, more particularly, to a kind of intelligent electric meter magnetic relay and intelligence electricity
Table.
Background technique
Relay is a kind of electronic control device, it have control system (also known as input circuit) and by control system (again
Claim output loop), it is usually applied in automatic control circuit, it is actually to go the one of control larger current with lesser electric current
Kind " automatic switch ".Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.
With the fast development of smart grid, and with the quick raising of distribution management level, there is an urgent need to small by people
Type, low-power consumption time pulse relay substitute common relay.The working principle of time pulse relay and it is common it is other after
Electric appliance is different, it is by pulse electrical signal actuation contact transition status, and relay continuation of insurance holds this state without energizing quantity.
Magnetic latching relay is one kind under the action of driving signal, utilizes the phase interaction of electromagnetic coil and permanent magnet
Make-and-break contact is realized with, relative motion；After driving signal disappearance, last move is remembered using internal permanent magnet
Make state, to be still switched on or the control element of off-state.It is realized by pulse signal and is driven, therefore energy is significant
Reduce energy consumption.
Currently, magnetic latching relay is widely used in multifunctional electric energy meter, is used as control switch element, controls user
Electricity consumption switches on and off.With carrying out in an all-round way for China's urban and rural power grids construction and upgrading project, " Every household has an ammeter " is made extensive
Implement, pre-payment, long-distance meter reading type intelligent electric meter have obtained rapidly universal.Therefore, magnetic latching relay is especially high-power
Magnetic latching relay will obtain more widely using.
In the prior art, 201210486493.5 patent of invention discloses a kind of intelligent electric meter magnetic latching relay,
By setting contact switch and gear unit, which controls contact switch by magnet and acts, to realize that user uses
Electricity switches on and off.But horizontal H-shaped gear unit is used in the invention, it, should after the driving voltage of relay disconnects
Tilt angle of the rotating unit when being installed by ammeter by external force or ammeter is influenced, and may cause gear unit not
Balance, makes it turn to the position opposite with expectation, causes to break down.
The present invention provides a kind of improved intelligent electric meter magnetic latching relays, are able to maintain gear unit in relay
Stabilization, avoid environment from influencing.
Summary of the invention
As one aspect of the present invention, a kind of intelligent electric meter relay is provided, comprising: shell controls red line, control
Black line processed, trigger winding, rotating unit, movable plate unit and stationary plate unit；The shell for being arranged relay knot inside it
Structure, including upper housing and lower case；The control red line and control black line respectively with the firing line that is set at the top of upper housing
Circle electrical connection；The trigger winding is electromagnetic coil, the driving being powered by control red line and control black line；The rotating unit packet
Rotor magnet is included, is set to below trigger winding by rotation axis, four sides are respectively provided with the fixed strip of extension, in trigger winding
When energization, opposite two can be overlapped on the top and bottom of upper housing bottom respectively in the fixed strip；The rotation is single
Member is connect by driving unit with movable plate unit；It is provided with contact on the driving unit, it can be with the contact on stationary plate unit
Closure disconnects；It is characterized by also including the first electromagnetic coil, the first fixing element, the second electromagnetic coils and second
Fixing element；The upper housing includes side and bottom, and the bottom includes left bottom and bottom right side；The left bottom
There is angle diagonally downward with bottom right side；First electromagnetic coil is set to the left side of upper housing, second electricity
Magnetic coil is set to the right side of upper housing；First fixing element and the second fixing element are respectively arranged in left bottom
On bottom right side；In contact closure, the first fixing element is between rotating unit and left bottom；It is disconnected in contact
When, second fixing element is between the rotating unit and bottom right side.
Preferably, first fixing element and the second fixing element are cylinder, and axis is parallel to the upper casing
Body bottom, diameter be less than the fixed strip when being overlapped on bottom between the high fixed strip in horizontal position and upper base surface away from
From.
Preferably, first fixing element and the second fixing element are ferrimagnet, such as iron, nickel, cobalt etc..
Preferably, the coil turn and iron core of the first electromagnetic coil and the second electromagnetic coil are set, when enabling its excitation
The first fixing element or the second fixing element first electromagnetism will be adsorbed between rotating unit and upper housing bottom
Coil or the second electromagnetic coil.
Preferably, it is respectively provided between specific range between the trigger winding and the left side and right side of upper housing
Every.
Preferably, the relay triggers first electromagnetic coil and the second electromagnetic coil from when being closed into disconnection；
The relay triggers first electromagnetic coil and second electromagnetic coil from when being disconnected to closure.
Preferably, the contact on the stationary plate unit has the shape that tilts upward, have on the driving unit and its
Corresponding plate diagonally downward, the plate have setting groove, are provided with contact in the groove, and contact filling is described recessed
Slot；The plate upper groove lower position is provided with rubbing surface；It insulate contact on the rubbing surface and the driving unit；?
When driving unit moves downward, the contact on the rubbing surface and the driving unit is successively contacted on the stationary plate unit
Contact.
Preferably, photocatalyst material is arranged in the rubbing surface.
Preferably, setting makes the contact on the stationary plate unit exist higher than the barrier plate of the plate above the groove
Stop after contacting the contact on the driving unit.
As another aspect of the present invention, a kind of intelligent electric meter is provided comprising above-mentioned relay.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the intelligent electric meter relay of one embodiment of the invention.
Fig. 2 is the driving unit of the intelligent electric meter relay of an improved embodiment of the invention and the fortune of stationary plate unit
Dynamic schematic diagram.
Specific embodiment
In order to illustrate more clearly of technical solution of the present invention, embodiment will be used simply to be situated between the present invention below
Continue, it should be apparent that, be described below in be only one embodiment of the present of invention, for those of ordinary skill in the art come
It says, without any creative labor, other technical solutions can also be obtained according to these embodiments, also belonged to
Disclosure of the invention range.
Referring to Fig. 1, the intelligent electric meter of the embodiment of the present invention includes shell 1 with relay, controls red line 2, controls black line 3,
Trigger winding 4, rotating unit 5, movable plate unit 6, stationary plate unit 7, the first electromagnetic coil 8, the first fixing element 9, the second electromagnetism
Coil 10 and the second fixing element 11.
Shell 1 includes upper housing 101 and lower case 102, for relay structure to be arranged inside.Upper housing 101 includes
Side and bottom, side include left side 103 and right side 104, and bottom includes left bottom 105 and bottom right side 106.
Control red line 2 is electrically connected with the trigger winding 4 for being set to 101 top of upper housing respectively with control black line 3.Firing line
Circle 4 is electromagnetic coil, the driving being powered by control red line 2 and control black line 3.The left side of trigger winding 4 and upper housing 101
Gap is provided between 103 and right side 104.
Rotating unit 5 is set to the lower section of trigger winding 4 by rotation axis 51 comprising it is set to the magnet in center, four
While being respectively provided with the fixed strip of extension.When trigger winding 4 is powered, the magnet in rotating unit 5 receives the magnetic field of trigger winding 4
It acts on and rotates, make opposite in fixed strip two that can be overlapped on the opposite top and bottom in 101 bottom of upper housing respectively.
The left bottom 105 and bottom right side 105 of upper housing 101 have angle diagonally downward, it is preferred that the angle can
With the angle being set as between 10 to 30 degree.First fixing element 9 and the second fixing element 11 are respectively arranged at left bottom 105
On upper and bottom right side 106.First fixing element 9 and the second fixing element 11 include ferrimagnet, such as iron, nickel, cobalt etc.,
It can be adsorbed when by magnetic fields.Cylinder can be set by the first fixing element 9 and the second fixing element 11
Shape, axis are parallel to 101 bottom of upper housing, and it is high that diameter is less than horizontal position when fixed strip is overlapped on 101 bottom of upper housing
Fixed strip and the distance between 101 upper base surface of upper housing.
First electromagnetic coil 8 is set to the left side 103 of upper housing 101, and the second electromagnetic coil 10 is set to upper housing
Right side 104；First electromagnetic coil 8 and the second electromagnetic coil 10 all with control red line 2 and control black line 3, by controlling 2 He of red line
Control the driving that black line 3 is powered.The coil turn and iron core of first electromagnetic coil 8 and the second electromagnetic coil 10 are set, it is swashed
When hair its for the first fixing element 9 or the second fixing element 11 active force be greater than rotating unit 5 in magnet for first
The active force of fixing element 9 or the second fixing element 11 first can will be consolidated between rotating unit 5 and upper housing bottom
Determine element 9 or the second fixing element 11 is adsorbed onto the first electromagnetic coil 8 or the second electromagnetic coil 10.
Rotating unit 5 is connect by driving unit 12 with movable plate unit 6, and contact 61 is provided on driving unit 12, can
With the closure of contact 71 or disconnection on stationary plate Unit 7.
When relay receives the driving signal of closure, applied by control red line 2 and control black line 3 to trigger winding 4
Forward current, the end B for 5 magnet of magnetic field suction rotating unit that hot-wire coil 4 generates is close to trigger winding 4, to keep driving single
The contact 71 on contact 61 and stationary plate unit 7 in member is closed.Meanwhile first electromagnetic coil 8 and the second electromagnetic coil 10 also by
Apply electric current, magnetic field suction the first fixing element 9 and the second fixing element 11 generated makes the first fixing element 9 and second
Fixing element 11 is respectively attracted to the first electromagnetic coil 8 and the second electromagnetic coil 10.After driving current, first is fixed
Element 9 is rolled to the fixed strip and left bottom of rotating unit 5 along the left bottom 105 of upper housing 101 by gravity
Between 105, to fix rotating unit 5.
When relay receives the driving signal of disconnection, applied by control red line 2 and control black line 3 to trigger winding 4
Reverse current, the end A for 5 magnet of magnetic field suction rotating unit that hot-wire coil 4 generates is close to trigger winding 4, to keep driving single
The contact 71 on contact 61 and stationary plate unit 7 in member disconnects.Meanwhile first electromagnetic coil 8 and the second electromagnetic coil 10 also by
Apply electric current, magnetic field suction the first fixing element 9 and the second fixing element 11 generated makes the first fixing element 9 and second
Fixing element 11 is respectively attracted to the first electromagnetic coil 8 and the second electromagnetic coil 10.After driving current, second is fixed
Element 11 is rolled to fixed strip and the right side bottom of rotating unit 5 along the bottom right side 106 of upper housing 101 by gravity
Between portion 106, to fix rotating unit 5.
The contact structure of the preferred embodiment of the invention, referring to fig. 2, the contact 71 on stationary plate unit 7, which has, to be tilted upward
Shape, there is corresponding plate 131 diagonally downward, plate 131 has setting groove 132, contact on driving unit 12
61 are set in groove 132, fill and lead up groove 132.131 upper groove of plate, 132 lower position is provided with rubbing surface 133.Rubbing surface
133 insulate with contact 61, and photocatalyst material is arranged in rubbing surface 133.When driving unit 12 moves downward, rubbing surface 133 and
Contact on driving unit 12 successively contacts the contact 71 on stationary plate unit 7.Setting is higher than flat above 131 upper groove 132 of plate
The barrier plate 134 of plate 131 stops the contact 71 on stationary plate unit 7 behind the contact 61 on contact driving unit 12.
The foregoing is merely presently preferred embodiments of the present invention, the rule for the substantial technological content being not intended to limit the invention
Model, if any technology entities that other people are completed or method be defined as with following claims it is identical, or be one
The equivalent change of kind, is regarded as being covered by this Patent right requirement protection scope.
Claims (2)
1. a kind of intelligent electric meter, including magnetic latching relay, the relay includes: shell, controls red line, controls black line, touching
Hair line circle, rotating unit, movable plate unit and stationary plate unit；The shell is used to that relay structure to be arranged inside it, including upper
Shell and lower case；The control red line is electrically connected with the trigger winding being set at the top of upper housing respectively with control black line；
The trigger winding is electromagnetic coil, the driving being powered by control red line and control black line；The rotating unit includes rotation magnetic
Iron is set to below trigger winding by rotation axis, and four sides are respectively provided with the fixed strip of extension, when trigger winding is powered,
Opposite two can be overlapped on the top and bottom of upper housing bottom respectively in the fixed strip；The rotating unit passes through drive
Moving cell is connect with movable plate unit；Be provided with contact on the driving unit, can on stationary plate unit contact closure or
It disconnects；Contact on the stationary plate unit has the shape tilted upward, has corresponding inclination on the driving unit
Downward plate, the plate have setting groove, are provided with contact in the groove, which fills the groove；The groove
Top setting is higher than the barrier plate of the plate, and the contact on the stationary plate unit is made to contact the contact on the driving unit
After stop；The plate upper groove lower position is provided with rubbing surface；The rubbing surface and the contact on the driving unit are exhausted
Edge；When driving unit moves downward, the contact on the rubbing surface and the driving unit successively contacts the stationary plate list
Contact in member；The intelligent electric meter further includes that the first electromagnetic coil, the first fixing element, the second electromagnetic coil and second are solid
Determine element；First fixing element and the second fixing element include ferrimagnet；The upper housing includes side and bottom,
The bottom includes left bottom and bottom right side；The left bottom and bottom right side have angle diagonally downward；It is described
First electromagnetic coil is set to the left side of upper housing, and second electromagnetic coil is set to the right side of upper housing；Described
One fixing element and the second fixing element be respectively arranged in left bottom and bottom right side on；In contact closure, first is solid
Element is determined between rotating unit and left bottom；When contact disconnects, it is single that second fixing element is located at the rotation
Between member and bottom right side；When relay receives the driving signal of closure, the first electromagnetic coil and the second electromagnetic coil also by
Apply electric current, the first fixing element of magnetic field suction and the second fixing element generated fixes the first fixing element and second
Element is respectively attracted to the first electromagnetic coil and the second electromagnetic coil；After driving current, the first fixing element by
Gravity is rolled between the fixed strip of rotating unit and left bottom along the left bottom of upper housing, to fix
Rotating unit.
2. intelligent electric meter according to claim 1, it is characterised in that: photocatalyst material is arranged in the rubbing surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711028451.6A CN107818887B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610611633.5A CN106229223B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
| CN201711028451.6A CN107818887B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610611633.5A Division CN106229223B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107818887A CN107818887A (en) | 2018-03-20 |
| CN107818887B true CN107818887B (en) | 2019-07-12 |
Family
ID=57536145
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711028451.6A Active CN107818887B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
| CN201810135981.9A Active CN108198732B (en) | 2016-07-30 | 2016-07-30 | A kind of stable method of gear unit in guard relay |
| CN201610611633.5A Expired - Fee Related CN106229223B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810135981.9A Active CN108198732B (en) | 2016-07-30 | 2016-07-30 | A kind of stable method of gear unit in guard relay |
| CN201610611633.5A Expired - Fee Related CN106229223B (en) | 2016-07-30 | 2016-07-30 | A kind of intelligent electric meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107818887B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110398618B (en) * | 2019-08-02 | 2020-06-19 | 浙江志创企业管理有限公司 | Intelligent ammeter capable of preventing electricity stealing |
| CN110488059A (en) * | 2019-09-02 | 2019-11-22 | 国网河北省电力有限公司沧州供电分公司 | The ammeter powered or powered off based on user credit |
| CN110907818B (en) * | 2019-12-25 | 2020-08-04 | 南京智宏电气有限公司 | Quick verifying attachment of relay function commonly used |
| CN112086315B (en) * | 2020-09-14 | 2023-04-18 | 宁夏隆基宁光仪表股份有限公司 | Intelligent electric meter based on novel pulse relay |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746500Y (en) * | 2004-11-12 | 2005-12-14 | 乐清市东星电器有限公司 | Electric contact and welding electrode for welding electric contact |
| CN202373525U (en) * | 2011-12-09 | 2012-08-08 | 沈阳工业大学 | Contact structure of double-breakpoint and low-voltage contactor adopting flexible connection device |
| CN102983043A (en) * | 2012-11-26 | 2013-03-20 | 深圳市航天泰瑞捷电子有限公司 | Magnetic latching relay for intelligent electric meter |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6431326A (en) * | 1987-07-27 | 1989-02-01 | Nec Corp | Electromagnetic relay |
| GB2342504B (en) * | 1998-10-08 | 2003-04-23 | Wladyslaw Wygnanski | Magnetic drives |
| JP2005183262A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Works Ltd | Single stable type polar electromagnetic relay |
| US7659800B2 (en) * | 2007-08-01 | 2010-02-09 | Philipp Gruner | Electromagnetic relay assembly |
| DK2394284T3 (en) * | 2009-02-04 | 2016-07-25 | Hongfa Holdings U S Inc | Electromagnetic relay assembly |
| CN201766032U (en) * | 2010-06-07 | 2011-03-16 | 宁波天波纬业电器有限公司 | Electric relay |
| CN202217627U (en) * | 2011-07-15 | 2012-05-09 | 浙江正泰电器股份有限公司 | Magnetic latching relay |
| DE102012207589B3 (en) * | 2012-05-08 | 2013-10-02 | Gruner Ag | Relay with double break |
| CN202633183U (en) * | 2012-06-29 | 2012-12-26 | 东莞市中汇瑞德电子有限公司 | Magnetic latching relay with anti-magnetic-inference capacity |
| JP6393025B2 (en) * | 2013-07-01 | 2018-09-19 | 富士通コンポーネント株式会社 | Electromagnetic relay |
| CN105047480A (en) * | 2015-08-14 | 2015-11-11 | 桂林航天电子有限公司 | Magnetic latching relay with asymmetric magnetic circuit |
| CN204927193U (en) * | 2015-08-31 | 2015-12-30 | 河南瑞特电气有限公司 | Take position feedback's magnetic latching relay |
-
2016
- 2016-07-30 CN CN201711028451.6A patent/CN107818887B/en active Active
- 2016-07-30 CN CN201810135981.9A patent/CN108198732B/en active Active
- 2016-07-30 CN CN201610611633.5A patent/CN106229223B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2746500Y (en) * | 2004-11-12 | 2005-12-14 | 乐清市东星电器有限公司 | Electric contact and welding electrode for welding electric contact |
| CN202373525U (en) * | 2011-12-09 | 2012-08-08 | 沈阳工业大学 | Contact structure of double-breakpoint and low-voltage contactor adopting flexible connection device |
| CN102983043A (en) * | 2012-11-26 | 2013-03-20 | 深圳市航天泰瑞捷电子有限公司 | Magnetic latching relay for intelligent electric meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107818887A (en) | 2018-03-20 |
| CN106229223B (en) | 2018-02-16 |
| CN108198732B (en) | 2019-10-22 |
| CN108198732A (en) | 2018-06-22 |
| CN106229223A (en) | 2016-12-14 |
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Effective date of registration: 20190621 Address after: 750000 Guangming Road, Yinchuan Economic Development Zone, Ningxia Applicant after: Ningxia LGG instrument Limited by Share Ltd Address before: 050051 Heping West Road, Shijiazhuang, Hebei Province, No. 348 Applicant before: Jia Xiaoqing |
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