CN110223884A - A kind of contact monitoring device of high voltage direct current relay - Google Patents
A kind of contact monitoring device of high voltage direct current relay Download PDFInfo
- Publication number
- CN110223884A CN110223884A CN201910421122.0A CN201910421122A CN110223884A CN 110223884 A CN110223884 A CN 110223884A CN 201910421122 A CN201910421122 A CN 201910421122A CN 110223884 A CN110223884 A CN 110223884A
- Authority
- CN
- China
- Prior art keywords
- high voltage
- direct current
- voltage direct
- current relay
- iron core
- 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
- H01H50/08—Indicators; Distinguishing marks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/16—Magnetic circuit arrangements
- H01H50/18—Movable parts of magnetic circuits, e.g. armature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
Abstract
The invention discloses a kind of contact monitoring devices of high voltage direct current relay, including high voltage direct current relay, operating circuit and contact detection mechanism, the contact detection mechanism is placed in the lower section of high voltage direct current relay, and one end of high voltage direct current relay bottom is connected with operating circuit；The high voltage direct current relay includes shell, coil, iron core, elastic element, travelling contact platform, circuit board and 2 face terminals, and the contact detection mechanism includes signal circuit and electroconductive elastic sheet.The present invention goes up and down driving push rod by iron core and electroconductive elastic sheet is pushed to rise, so that iron core drives electroconductive elastic sheet to contact with connection terminal while mobile, and then Continuity signal circuit, to be monitored by the LED status of signal circuit to working state of device, whether 2 face terminals of real-time awareness have really been closed, the time for checking failure is overhauled after reducing the power-off of high voltage direct current relay, effectively reduces manpower maintenance cost.
Description
Technical field
The present invention relates to a kind of relays, are specifically related to a kind of contact monitoring device of high voltage direct current relay.
Background technique
Electromagnetic relay is a kind of to be gone to control biggish electric current, higher voltage with lesser electric current, lower voltage
Automatic switch, existing this switch, function are by the electromagnet for being set to inside, by being passed through to magnet spool
Smaller current is attracted or unclamps armature using the generation or disappearance in magnetic field, and then drive conduction so that electromagnet generates magnetic field
It is attracted or disconnects between elastic slice, realize the conducting to big current loop；However, after relay long-time use, due to relay
Part aging inside device, stability worse and worse, have some setbacks if the iron core of relay slides, conduct piece poor contact, if not
Timely maintenance and inspection, will make functional lability or the failure of electrical equipment, to need to expend a large amount of manpower for overhauling.
Summary of the invention
1. technical problems to be solved
The technical problem to be solved in the present invention is that a kind of contact monitoring device of high voltage direct current relay is provided, it can be effective
It is powered to powering off to relay inside and be measured in real time, without periodic maintenance or avoid because of maintenance or unexpected aging not in time
And the problem of powering off, greatly reduce manpower maintenance cost.
2. technical solution
To solve the above problems, the present invention adopts the following technical scheme that:
A kind of contact monitoring device of high voltage direct current relay, including high voltage direct current relay, operating circuit and contact inspection
Mechanism is surveyed, the contact detection mechanism is placed in the lower section of high voltage direct current relay, and one end of high voltage direct current relay bottom connects
It is connected to operating circuit；
The high voltage direct current relay includes shell, coil, iron core, elastic element, travelling contact platform, circuit board and 2
Face terminals；The face terminals are all set in above shell, and the lower end of face terminals all extends to interior of shell, the line
Circle and travelling contact platform be placed in interior of shell, vertically connected at the hub of a spool shaft position it is cored, the iron core it is upper
It is fixed with movable seat after holding the top for extending to coil, the movable seat is " mouth " font structure, and the movably inside lumen of seat
Laterally interspersed to be equipped with travelling contact platform, the lower end of the travelling contact platform is fixedly connected with bolster, and the bolster other end with
Movable seat inner top side portion is fixedly connected, and travelling contact platform both ends are located at the positive lower end of 2 face terminals, institute
State iron core bottom end extend to the lower section of coil after be fixed with push rod, and the outside suit of the iron core above push rod is fixed with set
The middle position fixation of cylinder, the sleeve inner lumen has elastic component, and elastic element is socketed on the outside of iron core, the bullet
Property element the other end extend to above sleeve and be fixedly connected on interior of shell top, the circuit board is placed in interior of shell,
And it is fixed on the lower end of coil, the circuit board is electrically connected with coil, and operating circuit and circuit board electrical connection；
The contact detection mechanism includes signal circuit and electroconductive elastic sheet, and signal circuit is placed in operating circuit side, institute
It states signal circuit and is equipped with a pair of of connection terminal close to one end of circuit board and positioned at the top of circuit board, the electroconductive elastic sheet is placed in
Circuit board, and one end of electroconductive elastic sheet is fixedly connected with circuit board, the other end of the electroconductive elastic sheet is resilient free shape
State, and be suspended from below 2 connection terminals, and the free end of push rod is located at the underface of electroconductive elastic sheet.
Specifically, the shell is in sealing structure, and sealing protection reaches IP67 or more.
Specifically, the bolster and elastic element are set as spring.
Specifically, the electroconductive elastic sheet is arranged in a mutually vertical manner with push rod.
3. beneficial effect
(1) present invention laterally interts travelling contact platform by the inside lumen in movable seat, and makes under travelling contact platform
End is fixedly connected by bolster with movable seat inner top side portion, so that travelling contact platform both ends are suspended from below 2 face terminals,
Attract iron core after being powered convenient for coil, so that iron core compression elastic element and movable seat and travelling contact platform is driven to rise, so that
Travelling contact platform and 2 face terminals are in electrical contact, so that high-tension current forms an access between 2 face terminals,
The face terminals that the other end is flowed to by one end face terminals realize the power on/off to high voltage direct current relay；
(2) present invention is by being connected with push rod in mandrel bottom, so that iron core, in lifting, driving push rod passes through circuit board
On groove and push electroconductive elastic sheet to rise so that iron core drives electroconductive elastic sheet to contact with connection terminal while mobile, into
And Continuity signal circuit, thus by the LED status of signal circuit recognize in time the iron core whether with a face terminals
Electrical connection, is effectively monitored working state of device, reduces the time of maintenance investigation failure after the power-off of high voltage direct current relay,
And by elastic element own resilience after device power-off, so that iron core restPoses, iron core sliding is avoided to have some setbacks
Caused conduct piece poor contact, improve high voltage direct current relay safety and stability, convenient for electrical equipment maintenance and
Maintenance；
(3) of the invention by the way that total in vertical type arrangement, is taken full advantage of all parts shape and space, thus
Keep the structure of entire relay simple, compact and reasonable arrangement effectively reduces the volume of high voltage direct current relay.
To sum up, the present invention is moved up and down by iron core, so that travelling contact platform is contacted with 2 face terminals, realizes height
Current voltage conveys between 2 face terminals, drives pushrod movement by iron core, so that push rod pushes electroconductive elastic sheet and connecting pin
Son contact, realizes the conducting of signal circuit, is effectively monitored by the indicator light on signal circuit to working state of device, real
Whether 2 face terminals of Shi Zhixiao have really been closed, and reduce the time of maintenance investigation failure after the power-off of high voltage direct current relay,
And the prior art is efficiently solved so that iron core restPoses by elastic element own resilience after device power-off
It is born for 2 caused by the problems such as conduct piece poor contact caused by the middle part aging because inside relay, iron core sliding have some setbacks
Carry the case where still can not powering after terminal conducting, solve the problems, such as to check abort situation and timeliness, improve high voltage direct current after
The safety and stability of electric appliance, effectively reduce manpower maintenance cost.
Detailed description of the invention
Fig. 1 is the device of the invention schematic diagram of internal structure；
Fig. 2 is the device of the invention external structure schematic diagram；
Fig. 3 is the device of the invention diagrammatic cross-section；
Fig. 4 is coil of the invention, push rod and electroconductive elastic sheet position relationship structural diagram；
Fig. 5 is coil of the invention, push rod and electroconductive elastic sheet positional relationship present invention looks up structural representation；
Fig. 6 is push rod and electroconductive elastic sheet position relationship structural diagram of the invention.
Appended drawing reference: 1, shell；2, coil；3, iron core；31, movable seat；32, bolster；33, push rod；34, sleeve；4,
Elastic element；5, travelling contact platform；6, circuit board；7, face terminals；8, signal circuit；81, connection terminal；9, electroconductive elastic sheet；
100, high voltage direct current relay；200, operating circuit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-6 is please referred to, a kind of embodiment provided by the invention: a kind of contact monitoring device of high voltage direct current relay,
Including high voltage direct current relay 100, operating circuit 200 and contact detection mechanism, contact detection mechanism is placed in high voltage direct current relay
The lower section of device 100, and one end of 100 bottom of high voltage direct current relay is connected with operating circuit 200；
High voltage direct current relay 100 includes shell 1, coil 2, iron core 3, elastic element 4, travelling contact platform 5, circuit board 6
And 2 face terminals 7；Shell 1 is in sealing structure, and sealing protection reaches IP67 or more, convenient for true to carrying out taking out inside shell 1
Sky is simultaneously filled with inert gas, avoids environment water mist and dust from entering, so that closed environmental pollution grade reaches 2 hereinafter, making
Device maximum operating voltage, which will reach 250V creepage distance, only needs 1mm, so that the insulation performance of circuit board 6 is significantly promoted, protects
Demonstrate,prove the stability that circuit board 6 works；And the inert gas specific heat capacity in closed environment is 10 times or more of air other media, tool
Standby good cooling effect, so that the temperature of coil 2 and circuit board 6 is well below air environment or other medium-tight environment,
To the service life of extension coil 2 and circuit board 6, face terminals 7 are all set in 1 top of shell, and the lower end of face terminals 7
It all extends to inside shell 1, coil 2 and travelling contact platform 5 are placed in inside shell 1, and 2 center axial position of coil vertically connects
Cored 3, the upper end of iron core 3 is fixed with movable seat 31 after extending to the top of coil 2, and movable seat 31 is " mouth " font structure,
And the inside lumen of movable seat 31 is laterally interspersed equipped with travelling contact platform 5, the lower end of travelling contact platform 5 is fixedly connected with bolster
32, and 32 other end of bolster is fixedly connected with movable 31 inner top side portion of seat, 5 both ends of travelling contact platform are located at 2 and bear
The positive lower end of terminal 7 is carried, after being powered convenient for device, coil 2, which is powered, generates suction, and absorption iron core 3 stretches out upwards, so that iron core 3
It drives movable seat 31 and travelling contact platform 5 to rise, is led so that travelling contact platform 5 and 2 face terminals 7 are stablized to be effectively performed
Electrical contact, so that the using effect of high voltage direct current relay 100 be effectively ensured, extend high voltage direct current relay 100 uses the longevity
Life, the bottom end of iron core 3 is fixed with push rod 33 after extending to the lower section of coil 2, and the outside suit of the iron core 3 of 33 top of push rod is solid
Surely there is a sleeve 34, the middle position of 34 inside lumen of sleeve is fixed to have elastic component 4, and elastic element 4 is socketed on the outer of iron core 3
Side, the other end of elastic element 4 extend to 34 top of sleeve and are fixedly connected on 1 inner tip of shell, and circuit board 6 is placed in shell
Inside 1, and it being fixed on the lower end of coil 2, circuit board 6 is electrically connected with coil 2, and operating circuit 200 is electrically connected with circuit board 6,
Bolster 32 and elastic element 4 are set as spring, convenient for being contradicted travelling contact platform 5 in movable 31 lumen of seat by bolster 32
Top when iron core 3 is risen by attraction after being powered convenient for device, drives travelling contact platform 5 and 2 face terminals 7 to contact, convenient for making
It obtains high current to flow between 2 face terminals 7, realizes the conveying of high-tension current, while convenient for passing through the rebound of elastic element 4
Power avoids iron core 3 from sliding so that iron core 3 returns to original state under the rebound effect of elastic element 4 after device power-off
Conduct piece poor contact, is detected and is restored convenient for device, convenient for being monitored to contact position, is convenient for caused by having some setbacks
The use of device, circuit board 6 are placed in inside shell 1, and are fixed on the lower end of coil 2, circuit board 6 and coil 2 and operating circuit
200 electrical connections；
Contact detection mechanism includes signal circuit 8 and electroconductive elastic sheet 9, and signal circuit 8 is placed in 200 side of operating circuit,
The one end of signal circuit 8 close to circuit board 6 and the top positioned at circuit board 6 are equipped with a pair of of connection terminal 81, and electroconductive elastic sheet 9 is placed in
6 top of circuit board, and one end of electroconductive elastic sheet 9 is fixedly connected with circuit board 6, the other end of electroconductive elastic sheet 9 is resilient free shape
State, and it is suspended from 2 connection terminals, 81 lower section, and push rod 33 is located at the underface of electroconductive elastic sheet 9, electroconductive elastic sheet 9 and 33 phase of push rod
It is mutually vertically arranged, after being powered convenient for device, iron core 3 drives push rod 33 to rise, so that push rod 33 pushes electroconductive elastic sheet 9 to transport upwards
Dynamic, so that the fixing end that electroconductive elastic sheet 9 is connect with circuit board 6 is motionless, the elastic free end of electroconductive elastic sheet 9 is lifted up, thus
So that electroconductive elastic sheet 9 and 2 connection terminal 81 is in contact, so that signal circuit 8 contacts conduction, convenient for passing through observation signal circuit
LED status on 8 is monitored contact position energized state, convenient for the use of device.
Working principle: in use, operating circuit 200 is powered, so that circuit board 6 is powered on, so that coil 2 is powered simultaneously
Suction is generated, iron core 3 is adsorbed, so that iron core 3 stretches out upwards and compression elastic element 4, drives movable seat 31 and travelling contact
Platform 5 rises, so that travelling contact platform 5 contacts at the lower end of 2 face terminals 7,2 face terminals 7 are powered at this time, so that high pressure
Electric current forms an access between 2 face terminals 7, the face terminals 7 of the other end is flowed to by one end face terminals 7, so that 2
The conveying of high-tension current is realized in a conducting of face terminals 7；And iron core 3 upwards stretch out while drive push rod 33 rise so that pushing away
Bar 33 pushes electroconductive elastic sheet 9 to move upwards, so that the fixing end that electroconductive elastic sheet 9 is connect with circuit board 6 is motionless, electroconductive elastic sheet 9
Elastic free end is lifted up, so that electroconductive elastic sheet 9 and 2 connection terminal 81 is in contact, so that signal circuit 8 be made to lead
Logical, the indicator light on signal circuit 8 is lighted at this time, prompts high-tension circuit conducting, to effectively touch to high voltage direct current relay 100
Point is monitored；After coil 2 powers off, iron core 3 is under the action of 4 elastic-restoring force of gravity and elastic element of itself to moving down
Dynamic, so that iron core 3 drives travelling contact platform 5 to move down and return to original state, travelling contact platform 5 is detached from 2 and bears at this time
Terminal 7 is carried, so that the circuit of 2 face terminals 7 disconnects；Iron core 3 drives push rod 33 to decline simultaneously, and push rod 33 leaves electroconductive elastic sheet
9, so that electroconductive elastic sheet 9 restores itself original state, so that electroconductive elastic sheet 9 leaves two connection terminals 81, signal is electric at this time
Road 8 disconnects, and the indicator light on signal circuit 8 extinguishes, and high-tension circuit is prompted to be not turned on, convenient for passing through the indicator light of signal circuit 8
State recognizes whether iron core 3 is electrically connected with 2 face terminals 7 in time, is effectively monitored to working state of device, knows in real time
Know whether 2 face terminals have really been closed, reduces the time of maintenance investigation failure after the power-off of high voltage direct current relay, and
After device power-off, by 4 own resilience of elastic element iron core 3 is restPosed, efficiently solve in the prior art
The problems such as conduct piece poor contact caused by having some setbacks because of part aging, the iron core sliding inside high voltage direct current relay 100, leads
It the case where still can not powering after the 2 face terminals conducting caused, solves the problems, such as to check abort situation and timeliness, improves height
The safety and stability of straightening current relay 100, effectively reduce manpower maintenance cost.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as the change in spirit of the invention, to embodiment described above
Change, modification will all be fallen in scope of the presently claimed invention.
Claims (4)
1. a kind of contact monitoring device of high voltage direct current relay, including high voltage direct current relay (100), operating circuit (200)
And contact detection mechanism, it is characterised in that: the contact detection mechanism is placed in the lower section of high voltage direct current relay (100), and high
One end of straightening current relay (100) bottom is connected with operating circuit (200)；
The high voltage direct current relay (100) includes shell (1), coil (2), iron core (3), elastic element (4), travelling contact platform
(5), circuit board (6) and 2 face terminals (7)；The face terminals (7) are all set in above shell (1), and face terminals
(7) lower end all extends to shell (1) inside, and the coil (2) and travelling contact platform (5) are placed in shell (1) inside, described
Coil (2) center axial position vertically connects cored (3), and the upper end of the iron core (3) extends to solid behind the tops of coil (2)
Surely have movable seat (31), the movable seat (31) is " mouth " font structure, and the inside lumen of movable seat (31) is laterally interspersed sets
Have travelling contact platform (5), the lower end of the travelling contact platform (5) is fixedly connected with bolster (32), and bolster (32) is another
End is fixedly connected with movable seat (31) inner top side portion, and travelling contact platform (5) both ends are located at 2 face terminals
(7) positive lower end, the bottom end of the iron core (3) are fixed with push rod (33) after extending to the lower sections of coil (2), and on push rod (33)
The outside suit of the iron core (3) of side is fixed with sleeve (34), and the middle position of the internal lumen of the sleeve (34) is fixed with bullet
Property element (4), and elastic element (4) is socketed on the outside of iron core (3), the other end of the elastic element (4) extends to sleeve
(34) above and it is fixedly connected on shell (1) inner tip, it is internal that the circuit board (6) is placed in shell (1), and is fixed on coil
(2) lower end, the circuit board (6) is electrically connected with coil (2), and operating circuit (200) is electrically connected with circuit board (6)；
The contact detection mechanism includes signal circuit (8) and electroconductive elastic sheet (9), and signal circuit (8) is placed in operating circuit
(200) side, the one end of the signal circuit (8) close to circuit board (6) and the top positioned at circuit board (6) are equipped with a pair of of connection
Terminal (81), the electroconductive elastic sheet (9) are placed in above circuit board (6), and one end of electroconductive elastic sheet (9) and circuit board (6) are fixed
Connection, the other end of the electroconductive elastic sheet (9) is resilient free state, and is suspended from the lower section of the pair of connection terminal (81),
And the free end of push rod (33) is located at the underface of electroconductive elastic sheet (9).
2. a kind of contact monitoring device of high voltage direct current relay according to claim 1, which is characterized in that the shell
It (1) is in sealing structure, sealing protection reaches IP67 or more.
3. a kind of contact monitoring device of high voltage direct current relay according to claim 1, which is characterized in that the buffering
Part (32) and elastic element (4) are set as spring.
4. a kind of contact monitoring device of high voltage direct current relay according to claim 1, which is characterized in that the conduction
Elastic slice (9) is arranged in a mutually vertical manner with push rod (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910421122.0A CN110223884A (en) | 2019-05-21 | 2019-05-21 | A kind of contact monitoring device of high voltage direct current relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910421122.0A CN110223884A (en) | 2019-05-21 | 2019-05-21 | A kind of contact monitoring device of high voltage direct current relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110223884A true CN110223884A (en) | 2019-09-10 |
Family
ID=67821558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910421122.0A Pending CN110223884A (en) | 2019-05-21 | 2019-05-21 | A kind of contact monitoring device of high voltage direct current relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110223884A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767417A (en) * | 2019-11-13 | 2020-02-07 | 许继集团有限公司 | Single-phase voltage transformer module for power supply and inflatable cabinet |
| CN113539751A (en) * | 2021-06-02 | 2021-10-22 | 中汇瑞德电子（芜湖）有限公司 | Contact monitoring device of high-voltage direct-current relay |
| WO2023272422A1 (en) * | 2021-06-28 | 2023-01-05 | 沈阳铁路信号有限责任公司 | Relay having anti-vibration and anti-melt welding properties |
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| CN204067227U (en) * | 2014-08-29 | 2014-12-31 | 安徽日正汽车部件有限公司 | With the battery main switch of multifunction protection |
| CN205542618U (en) * | 2016-04-12 | 2016-08-31 | 昆山国力源通新能源科技有限公司 | Take auxiliary contact's pressurization direct current contactor |
| CN106504952A (en) * | 2016-12-02 | 2017-03-15 | 中汇瑞德电子（芜湖）有限公司 | HVDC relay |
| CN109671594A (en) * | 2018-11-07 | 2019-04-23 | 深圳巴斯巴汽车电子有限公司 | A kind of new energy high voltage direct current relay |
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|---|---|---|---|---|
| CN102097256A (en) * | 2009-12-11 | 2011-06-15 | 株式会社电装 | Electromagnetic switch with enhanced stability in operation |
| CN204067227U (en) * | 2014-08-29 | 2014-12-31 | 安徽日正汽车部件有限公司 | With the battery main switch of multifunction protection |
| CN205542618U (en) * | 2016-04-12 | 2016-08-31 | 昆山国力源通新能源科技有限公司 | Take auxiliary contact's pressurization direct current contactor |
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| WO2023272422A1 (en) * | 2021-06-28 | 2023-01-05 | 沈阳铁路信号有限责任公司 | Relay having anti-vibration and anti-melt welding properties |
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Application publication date: 20190910 |
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| RJ01 | Rejection of invention patent application after publication |