CN107979939A - Dc bus pressure stabilization filter - Google Patents
Dc bus pressure stabilization filter Download PDFInfo
- Publication number
- CN107979939A CN107979939A CN201711072428.7A CN201711072428A CN107979939A CN 107979939 A CN107979939 A CN 107979939A CN 201711072428 A CN201711072428 A CN 201711072428A CN 107979939 A CN107979939 A CN 107979939A
- Authority
- CN
- China
- Prior art keywords
- support column
- perpendicular support
- link
- clamp
- infrabasal plate
- 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.)
- Granted
Links
- 230000006641 stabilisation Effects 0.000 title claims abstract description 17
- 238000011105 stabilization Methods 0.000 title claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 38
- 239000002775 capsule Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 27
- 238000010276 construction Methods 0.000 claims description 8
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical class [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 7
- 210000002837 heart atrium Anatomy 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000036186 satiety Effects 0.000 description 2
- 235000019627 satiety Nutrition 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
- H05K7/1432—Housings specially adapted for power drive units or power converters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Clamps And Clips (AREA)
Abstract
The present invention relates to voltage-stablizer.A kind of dc bus pressure stabilization filter, upper substrate including infrabasal plate and above infrabasal plate, the both ends of infrabasal plate are designed with lower perpendicular support column, the upper surface of the lower perpendicular support column is equipped with positioning pin, the side of perpendicular support column is equipped with clamp down, the both ends of upper substrate are designed with perpendicular support column, the lower face of the upper perpendicular support column is equipped with location hole, the side of the upper perpendicular support column is equipped with link, the positioning pin is threaded through in the location hole correspondingly, the link is corresponded and is set on the clamp, the electronic component on the upper substrate is located on the lower surface of the upper substrate, the electronic component on the infrabasal plate is located on the upper surface of the infrabasal plate.The present invention provides the dc bus pressure stabilization filter that a kind of substrate can protect electronic component, the electronic component for solving the problems, such as existing dc bus voltage-stablizer wave filter is easily touched and damages.
Description
Technical field
The present invention relates to voltage-stablizer, more particularly to a kind of dc bus pressure stabilization filter.
Background technology
In order to fight each other, voltage DC bus carries out voltage stabilizing, can usually install wave filter to complete voltage stabilizing.Regulator circuit plate bag
Include substrate and be arranged on electronic component substantially, the circuit board of existing wave filter is easily touched there are electronic component
The deficiency arrived.
The content of the invention
The present invention provides the dc bus pressure stabilization filter that a kind of substrate can protect electronic component, solves
The problem of electronic component of existing dc bus voltage-stablizer wave filter is easily touched and damages.
Above technical problem is solved by following technical proposal：A kind of dc bus pressure stabilization filter, including substrate
With the electronic component being disposed on the substrate, it is characterised in that the substrate includes infrabasal plate and upper above infrabasal plate
Substrate, the electronic component are distributed on the upper substrate and infrabasal plate, and the both ends of the infrabasal plate are designed with lower perpendicular support
Column, the upper surface of the lower perpendicular support column are equipped with positioning pin, and the side of the lower perpendicular support column is equipped with clamp, the upper base
The both ends of plate are designed with perpendicular support column, and the lower face of the upper perpendicular support column is equipped with location hole, the upper perpendicular support column
Side is equipped with link, and the positioning pin is threaded through in the location hole correspondingly, and the link is corresponded and is set in
On the clamp, the electronic component on the upper substrate is located on the lower surface of the upper substrate, positioned at described
The electronic component on infrabasal plate is located on the upper surface of the infrabasal plate.The technical program is by being pair by basic setup
To two pieces of compositions of setting, and electronic component is located in the space that two pieces of substrates surround, so that external is to make substantially
Electronic component is obtained to be not easy to be touched and destroy.It is supported by perpendicular support column and lower perpendicular support column in setting, can
Easily so that two pieces of substrates be maintained at so that distance so as to avoiding excessively closing up and being expressed to electronic component.Upper perpendicular support
Set location hole to coordinate positioning pin to be fixed on column and lower perpendicular support column, can effectively avoid two pieces of substrates from producing opposite water
Flat movement.It is hooked in by link on clamp to prevent two pieces of substrates from separating and disengaging.
Preferably, radiator fan is equipped between the upper substrate and infrabasal plate.Can improve heat dissipation effect, upper substrate and
Form air passage and electronic component between infrabasal plate to be located in air passage, good reliability during heat dissipation.
Preferably, the radiator fan is connected on one end of infrabasal plate on the lower perpendicular support column and direction when opening
The lower perpendicular support column blowing on the infrabasal plate other end.Heat dissipation effect can be improved.
Preferably, the clamp is equipped with the anti-avulsion lock for preventing link from coming off from the clamp, the anti-avulsion lock bag
Include lock tongue, close lock construction and unlocking structure, the lock tongue is telescopically threaded through the card access surface that the same link of the clamp coordinates
On, the conjunction lock construction includes the ejector pin being telescopically threaded through in the card access surface of the same link cooperation of the clamp and is hinged on
Lift up bar in front side wall of the box body, it is described lift up bar one end with the lock tongue it is inner abut together the other end with the ejector pin
It is inner abut together, the outer end of the ejector pin, which is equipped with, to be coordinated with link and guides the guide surface lifted on ejector pin, the ejector pin
Between the lock tongue and the front surface of box body.When support column and lower perpendicular support column are erected in fixation, it is right that link first crosses lock tongue
Afterwards top be oriented to it is two-sided so that ejector pin shrink, ejector pin shrink when driving lift up thick stick swing and push lock tongue, so that lock tongue stretching and keep off
Firmly link, plays the role of preventing link from coming off.When needing to disengage link, by inwardly driving lock tongue and lock tongue does not stop
Firmly link, then removes link.
Preferably, the unlocking structure includes being arranged on the ferromagnet of lock tongue the inner, adsorbs ferromagnet and drive lock tongue
The electromagnet and magnet control mechanism inside contracted, the magnet control mechanism include liquid capsule, the shrapnel in liquid capsule, driving
The driving head of shrapnel deformation, the first temperature sensor for detecting liquid capsule internal temperature, detection liquid capsule external environment condition temperature in liquid capsule
The second temperature sensor and controller of degree, the interior filling supersaturated sodium acetate solution of the liquid capsule, when the first temperature sensor is examined
The temperature measured when higher than the temperature that second temperature sensor detects the controller electromagnet is connected by power supply,
Electromagnet when reaching setting value with the time that power supply connects the controller make the electromagnet with power supply disconnect.The technical program
The process unlocked is to press driving head, and driving head extruding liquid capsule causes shrapnel to deform, the supersaturated vinegar of deformation triggering of shrapnel
Acid sodium solution is crystallized and generated heat, and the result of fever is so that the temperature inside liquid capsule is higher than exterior temperature, the temperature information quilt
First temperature sensor and second temperature sensor detect and feed back to controller, and controller knows that needs are quick therefore control
Device is powered to electromagnet, and electromagnet obtains electric and produces magnetic force and adsorb lock tongue and inside contract, so as to lose the barrier effect to link
（Namely realize unlocking）.
Preferably, the ferromagnet is spherical, the ferromagnet sphere is hinged on the inner face of the lock tongue.Driving
Caused abrasion is small.
Preferably, the state that the lock tongue is drawn close with the front side wall of outer end towards the box body tilts.Link is carried out
Good reliability during stop.
Preferably, forming support level between the positioning pin and lower perpendicular support column, the support level, which is equipped with, to be driven
It is dynamic above to erect support column and lower perpendicular support post separation and cause link to hold out against the Inflated on the clamp, the lower perpendicular support
The inflatable structure being inflated to Inflated is equipped with column, the Inflated is equipped with and abandons valve cock and charging valve
Mouth, cylinder body that the inflatable structure includes being arranged in the lower perpendicular support column, the piston in cylinder body and be connected to piston
On piston rod, the cylinder body is divided into annular seal space and atrium by the piston, and the inlet end of the charging valve mouth is located at
In the annular seal space, the piston rod stretches out the outer surface of the box body.Inflated is in when link is suspended on clamp
Flat state, link are inflated after hanging up by pressing piston rod driving reciprocating motion of the pistons repeatedly to intake to inflatable seal pad
Heave, annular seal space inflation is heaved perpendicular support post separation up and down so as to play the role of being tensioned link and clamp so that link is not
Easily generation comes off and stationarity is good between two pieces of upper and lower base plates.Deflation valve cock is first passed through when removing link deflate so
After remove link.The technical program can either cause labour-saving that link is suspended on clamp, and can ensure upper and lower base plate edge
Above-below direction is tensioned.
Preferably, the piston rod includes inner segment and outer section, the inner segment is built in the lower perpendicular support column, described
One end of inner segment links together with the piston, the other end links together with described outer section of threaded one end, described outer section
The other end stretch out it is described under vertical support column surface.When not being inflated to Inflated, outer section is removed and is prevented
Interference is produced to periphery object.
Present invention tool has the advantage that：Substrate can protect electronic component.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention one.
Fig. 2 is the schematic diagram of the clamp in the embodiment of the present invention two.
In figure：Substrate 1, infrabasal plate 11, upper substrate 12, upper perpendicular support column 13, location hole 14, link 15, lower perpendicular support column
2nd, clamp 21, positioning pin 22, support level 23, radiator fan 24, inner cavity 26, Inflated 3, deflation valve cock 31, inflation
Valve cock 32, inflatable structure 4, cylinder body 41, piston 42, annular seal space 421, atrium 421, piston rod 43, inner segment 431, outer section
432nd, check valve 44, electronic component 5, anti-avulsion lock 8, lock tongue 81, conjunction lock construction 82, conjunction lock construction 82, ejector pin 821, guide surface
8211st, bar 822, unlocking structure 83, ferromagnet 831, electromagnet 832, magnet control mechanism 833, liquid capsule 8331, shrapnel are lifted up
8332nd, driving head 8333, the first temperature sensor 833, second temperature sensor 8335, controller 8336.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment one, referring to Fig. 1, a kind of dc bus pressure stabilization filter, including substrate 1 and electronic component 5.
Substrate 1 includes infrabasal plate 11 and the upper substrate 12 above infrabasal plate.The left and right ends of infrabasal plate 11 are designed with
Perpendicular support column 2 down.The lower end of perpendicular support column 2 is fixed together with infrabasal plate 11 down.The upper surface of perpendicular support column 2 is equipped with fixed down
Position pin 22.Support level 23 is formed between positioning pin 22 and lower perpendicular support column 2.The side of perpendicular support column 2 is equipped with clamp 21 down.
Radiator fan 24 is fixed with the lower perpendicular support column 2 of left end.Radiator fan 24 is blowed towards the right side.
The left and right ends of upper substrate 12 are designed with perpendicular support column 13.The lower face of upper perpendicular support column 13 is equipped with location hole
14.The side of upper perpendicular support column 13 is equipped with link 15.Rotationally ibid perpendicular support column 13 links together link 15.Positioning
Pin 22 is threaded through in location hole 14 and so that upper perpendicular support column is supported on lower perpendicular support column correspondingly correspondingly.Hang
Ring 15, which corresponds, to be set on clamp 21 and prevents upper substrate and infrabasal plate from separating along the vertical direction.
5 some of electronic component is arranged on the lower surface of upper substrate 12, some is arranged on the upper surface of infrabasal plate 11.
Embodiment two, the difference with embodiment one are：
Referring to Fig. 2, support level 23 is equipped with Inflated 3.Perpendicular support column 2 is equipped with inflatable structure 4 down.Inflated
3 are equipped with deflation valve cock 31 and charging valve mouth 32.Inflatable structure 4 include be arranged in lower perpendicular support column 2 cylinder body 41, be located at
Piston 42 in cylinder body and the piston rod 43 being connected on piston.The cylinder body is divided into annular seal space 421 and opening by piston 42
Chamber 421.The check valve 44 opened in annular seal space is provided with piston 42.The inlet end of charging valve mouth 32 is located at annular seal space
In 421.Piston rod 43 includes inner segment 431 and outer section 432.Inner segment 431 is built in lower perpendicular support column 2.One end of inner segment 431 is same
Piston 42 links together, the other end links together with outer section 432 of threaded one end.Outer section 432 of the other end stretches out lower perpendicular
The surface of support column 2.
During link is anchored on clamp, Inflated 3 is in flat state so that link can easily cover
Onto clamp 21, then grip outer section 432 driving piston 42 and moved back and forth in cylinder body 41, so as to fulfill charging valve is passed through
Mouth 32 read Inflated 3 be inflated heave, after the inflation of Inflated 3 is heaved by upper perpendicular support column and lower perpendicular support column 2
Separately link is hooked on clamp along the vertical direction, then remove outer section 432.When link is removed from clamp, by putting
Gas valve cock 31 bleeds off the gas in Inflated 3 so that link can be removed easily.
Anti-avulsion lock 8 is further included in the present embodiment.Anti-avulsion lock 8 includes lock tongue 81, closes lock construction 82 and unlocking structure 83.Lock tongue
On the face that the 81 same links for being telescopically threaded through clamp 21 coordinate.Lock tongue 81 is with outer end towards the side surface of lower perpendicular support column 2
The state drawn close tilts.Closing lock construction 82 includes ejector pin 821 and lifts up bar 822.Ejector pin 821 is telescopically threaded through clamp 21
In the card access surface coordinated with link.The inner sphere of ejector pin 821 is hinged with spherical ferromagnet 831.Lift up bar 822 and be hinged on card
In inner cavity 26 in first 21.822 one end of bar is lifted up to be connected on ferromagnet 831.The other end of bar 822 is lifted up with ejector pin 821
The inner abuts together.The outer end of ejector pin 821 is equipped with guide surface 8211.Ejector pin 821 be located at lock tongue 81 and box body 2 front surface it
Between.Unlocking structure 83 includes ferromagnet 831, electromagnet 832 and magnet control mechanism 833.Magnet control mechanism 833 includes
Liquid capsule 8331, the shrapnel 8332 in liquid capsule, driving head 8333, the first temperature sensor for detecting liquid capsule internal temperature
8334th, the second temperature sensor 8335 and controller 8336 of liquid capsule ambient temperature are detected.Filling satiety in liquid capsule 8331
And sodium acetate solution.
Anti-avulsion lock 8 the course of work be：Lock tongue is anchored to clamp in clamp to inside contract without interference link during original state
On.When buckling link, link crosses lock tongue 81 and abuts on guide surface 8211 and drive ejector pin 821 to inside contract, in ejector pin 821
Contracting, which makes driving lift up bar 822, swings, and lifts up bar 822 and swings and press lock tongue 81 so that lock tongue is stretched out and kept off in the side that link comes off
To so that link can not come off from clamp 21.
When on link to be removed, pressing driving head 8333, driving head extrudes liquid capsule 8331 and make it that shrapnel 8332 deforms, bullet
Crystallized and released after piece deformation is disturbed to the supersaturated sodium acetate solution generation disturbance in liquid capsule, supersaturated sodium acetate solution
Thermal discharge causes the temperature in liquid capsule to rise, and temperature rises so that temperature is higher than external temperature, the first temperature sensor in liquid capsule
With second temperature sensor by the temperature feedback detected to controller, controller finds that liquid capsule internal temperature is higher than external temperature
More than 1 DEG C make electromagnet 832 with power supply connect and it is electric, electromagnet obtain it is electric after to ferromagnet produce suction-operated so that lock tongue is received
Contract and lose the Intercepting effects to link, user opens link.When electromagnet reaches setting with the time that power supply connects
There is controller during value makes electromagnet be disconnected with power supply, can be stretched out so that link next time buckles rear lock tongue.In order to enable satiety
With sodium acetate solution crystallize after can dissolve again, the present invention be additionally provided with heating to liquid capsule electric heater, often open once lock after it is right
Liquid capsule heating once causes the crystallization of supersaturated sodium acetate solution to dissolve again.
Claims (9)
1. a kind of dc bus pressure stabilization filter, including substrate and the electronic component that is disposed on the substrate, it is characterised in that institute
Stating substrate includes infrabasal plate and the upper substrate above infrabasal plate, and the electronic component is distributed in the upper substrate and lower base
On plate, the both ends of the infrabasal plate are designed with lower perpendicular support column, and the upper surface of the lower perpendicular support column is equipped with positioning pin, described
The side of perpendicular support column is equipped with clamp down, and the both ends of the upper substrate are designed with perpendicular support column, the upper perpendicular support column
Lower face is equipped with location hole, and the side of the upper perpendicular support column is equipped with link, and the positioning pin is threaded through correspondingly
In the location hole, the link is corresponded and is set on the clamp, the electronics member device on the upper substrate
Part is located on the lower surface of the upper substrate, and the electronic component on the infrabasal plate is located at the upper of the infrabasal plate
On surface.
2. dc bus pressure stabilization filter according to claim 1, it is characterised in that between the upper substrate and infrabasal plate
Equipped with radiator fan.
3. dc bus pressure stabilization filter according to claim 2, it is characterised in that the radiator fan is connected to lower base
Dry on one end of plate on the lower perpendicular support column and towards the lower perpendicular support column on the infrabasal plate other end when opening.
4. dc bus pressure stabilization filter according to claim 1, it is characterised in that the clamp, which is equipped with, prevents link
The anti-avulsion lock to come off from the clamp, it is scalable that the anti-avulsion lock includes lock tongue, conjunction lock construction and unlocking structure, the lock tongue
In the card access surface that the same link that ground is threaded through the clamp coordinates, the conjunction lock construction includes telescopically being threaded through the clamp
The card access surface that coordinates of same link on ejector pin and the bar of lifting up that is hinged in front side wall of the box body, described bar one end of lifting up is the same as described
The inner other end together that abuts of lock tongue abuts together with the inner of the ejector pin, and the outer end of the ejector pin is equipped with same link
Coordinate and guide the guide surface lifted on ejector pin, the ejector pin is between the lock tongue and the front surface of box body.
5. dc bus pressure stabilization filter according to claim 4, it is characterised in that the unlocking structure includes being arranged on
The ferromagnet of lock tongue the inner, absorption ferromagnet and drive the electromagnet and magnet control mechanism that lock tongue inside contracts, the electromagnet
Control mechanism includes driving head, the detection liquid capsule inside temperature that liquid capsule, the shrapnel in liquid capsule, the shrapnel in driving liquid capsule deform
First temperature sensor of degree, the second temperature sensor and controller for detecting liquid capsule ambient temperature, are filled out in the liquid capsule
Supersaturated sodium acetate solution is filled, when the temperature that the first temperature sensor detects is higher than the temperature that second temperature sensor detects
Shi Suoshu controllers make the electromagnet be connected by power supply, control when electromagnet reaches setting value with the time that power supply connects
Device processed makes the electromagnet be disconnected with power supply.
6. dc bus pressure stabilization filter according to claim 5, it is characterised in that the ferromagnet is described to be spherical
Ferromagnet sphere is hinged on the inner face of the lock tongue.
7. dc bus pressure stabilization filter according to claim 4, it is characterised in that the lock tongue is with outer end described in
The state that the front side wall of box body is drawn close tilts.
8. dc bus pressure stabilization filter according to claim 1, it is characterised in that the positioning pin and lower perpendicular support column
Between form support level, the support level, which is equipped with driving, to be erected support column and lower perpendicular support post separation and causes link top
The tightly Inflated on the clamp, the lower perpendicular support column is interior to be equipped with the inflatable structure being inflated to Inflated,
The Inflated, which is equipped with, abandons valve cock and charging valve mouth, and the inflatable structure includes being arranged on the lower perpendicular support column
The cylinder body is divided into sealing by interior cylinder body, the piston in cylinder body and the piston rod being connected on piston, the piston
Chamber and atrium, the inlet end of the charging valve mouth are located in the annular seal space, and the piston rod stretches out the outer of the box body
Surface.
9. dc bus pressure stabilization filter according to claim 8, it is characterised in that the piston rod is including inner segment and outside
Section, the inner segment is built in the lower perpendicular support column, and one end of the inner segment links together with the piston, the other end is same
Described outer section of threaded one end links together, described outer section of the other end stretch out it is described under vertical support column surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711072428.7A CN107979939B (en) | 2017-11-03 | 2017-11-03 | DC bus voltage stabilizing filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711072428.7A CN107979939B (en) | 2017-11-03 | 2017-11-03 | DC bus voltage stabilizing filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107979939A true CN107979939A (en) | 2018-05-01 |
| CN107979939B CN107979939B (en) | 2020-05-19 |
Family
ID=62013078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711072428.7A Expired - Fee Related CN107979939B (en) | 2017-11-03 | 2017-11-03 | DC bus voltage stabilizing filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107979939B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004290709A (en) * | 2004-07-23 | 2004-10-21 | Sanyo Product Co Ltd | Game machine |
| CN2817841Y (en) * | 2005-06-16 | 2006-09-20 | 山东新华医疗器械股份有限公司 | Bactericidal box |
| CN201000008Y (en) * | 2007-01-09 | 2008-01-02 | 深圳磊明科技有限公司 | Combination type digit guard rail lamp tube |
| CN201060812Y (en) * | 2007-04-17 | 2008-05-14 | 浙江中孚电子有限公司 | Magnetic retaining relay for control |
| CN103648261A (en) * | 2013-12-18 | 2014-03-19 | 中国电子科技集团公司第四十一研究所 | Computer case shielding method |
| CN103763852A (en) * | 2013-12-28 | 2014-04-30 | 华为技术有限公司 | Power panel and main board with power panel |
| CN205751534U (en) * | 2016-06-14 | 2016-11-30 | 西安聚能仪器有限公司 | A kind of Novel meter case |
-
2017
- 2017-11-03 CN CN201711072428.7A patent/CN107979939B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004290709A (en) * | 2004-07-23 | 2004-10-21 | Sanyo Product Co Ltd | Game machine |
| CN2817841Y (en) * | 2005-06-16 | 2006-09-20 | 山东新华医疗器械股份有限公司 | Bactericidal box |
| CN201000008Y (en) * | 2007-01-09 | 2008-01-02 | 深圳磊明科技有限公司 | Combination type digit guard rail lamp tube |
| CN201060812Y (en) * | 2007-04-17 | 2008-05-14 | 浙江中孚电子有限公司 | Magnetic retaining relay for control |
| CN103648261A (en) * | 2013-12-18 | 2014-03-19 | 中国电子科技集团公司第四十一研究所 | Computer case shielding method |
| CN103763852A (en) * | 2013-12-28 | 2014-04-30 | 华为技术有限公司 | Power panel and main board with power panel |
| CN205751534U (en) * | 2016-06-14 | 2016-11-30 | 西安聚能仪器有限公司 | A kind of Novel meter case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107979939B (en) | 2020-05-19 |
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