CN108599542A - Anti-vibration, shock proof power supply delay startup module and electronic equipment - Google Patents
Anti-vibration, shock proof power supply delay startup module and electronic equipment Download PDFInfo
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- CN108599542A CN108599542A CN201810690577.8A CN201810690577A CN108599542A CN 108599542 A CN108599542 A CN 108599542A CN 201810690577 A CN201810690577 A CN 201810690577A CN 108599542 A CN108599542 A CN 108599542A
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- power supply
- startup module
- delay startup
- vibration
- guide pin
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- 229910000838 Al alloy Inorganic materials 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The present invention is suitable for technical field of electronic communication, provides a kind of anti-vibration, shock proof power supply delay startup module and electronic equipment.Compared with prior art, the present invention by being electrically connected with NMOS tube on a printed circuit, after NMOS tube is fully on, the characteristics such as, operating current small using NMOS tube conducting resistance is big, fever is small, so that power supply delay startup module is not easy to generate heat when work passes through electric current, the rated current that power supply delay startup module can be promoted, to reach the requirement of power supply delay startup module low D.C. resistance and high rated current, the surge current generated when to inhibit power supply to connect；By the way that each guide pin, NMOS tube, resistance, capacitance and diode are respectively welded on a printed circuit, by filling glue by printed circuit board, each guide pin, NMOS tube, resistance, capacitance and diode embedding in the housing, so that the sound construction of power supply delay startup module, anti-vibration and strong shock resistance can reach military requirements.
Description
Technical field
The present invention is suitable for technical field of electronic communication, is to be related to a kind of anti-vibration, shock proof power supply more specifically
Delay startup module and using the anti-vibration, shock proof power supply delay startup module electronic equipment.
Background technology
Switching Power Supply is exactly to be led to and ended with the road for carrying out high speed by circuit controling switch pipe, is height by DC conversion
The alternating current of frequency is supplied to transformer to carry out transformation, to generate required one or more groups of voltages.In electronic communication skill
In art field, the use of Switching Power Supply is very universal, and usage amount is also prodigious.
Switching Power Supplies (especially high power switching power supply) many at present will draw a larger wave in power-up moment
Electric current is gushed, this surge current is likely to be breached 10 times -100 times of power supply static working current.Therefore, this this may result in following
Problem：First, if DC power supply cannot supply enough starting currents, a kind of Switching Power Supply nothing possibly into lock-out state
Method starts；Second, this surge current may cause the reduction of input supply voltage, it is sufficient to cause using same input power
Other power-equipment instant power-downs；Third, Switching Power Supply are stimulated by powerful surge current in a smaller space, are easy
Certain deformation or damage are generated, anti-vibration and impact resistance are poor.
However, existing protective device cannot preferably inhibit surge current, and resistance is big when being connected, operating current mistake
Small, recovery time is long, generates heat the shortcomings of excessive.Therefore, design one kind can effectively inhibit surge current, but also with anti-vibration
It is a technical problem to be solved urgently with the protective device of impact resistance.
Invention content
The purpose of the present invention is to provide a kind of anti-vibration, shock proof power supply delay startup modules, to solve the prior art
Present in protective device cannot effectively inhibit surge current, and the problem of anti-vibration and impact resistance difference.
To achieve the above object, the technical solution adopted by the present invention is：There is provided that a kind of anti-vibration, shock proof power supply is slow opens
Dynamic model block, including shell, several guide pins, the printed circuit board in the shell, the electricity on the printed circuit board
Hold with diode, after switch for more NMOS tubes of generated surge current when power supply being inhibited to connect and for controlling
The resistance of the more NMOS tube conductings is made, each NMOS tube, the resistance, the capacitance and the diode are respectively welded
In on the printed circuit board；The shell has the cavity of a top end opening, one end of each guide pin and printing electricity
Road plate is weldingly connected, and the other end of each guide pin is stretched out by the opening of the cavity；It is the printed circuit board, each described
NMOS tube, the resistance, the capacitance and the diode are potted in by filling glue in the cavity of the shell.
Further, the more NMOS tubes are divided into two groups, and NMOS tube described in one of which is set to the printed circuit
One end of plate, NMOS tube described in another group are set to the other end of the printed circuit board, and NMOS tube described in two groups is located at the print
On the same face of printed circuit board, and NMOS tube parallel connection described in two groups is set in circuit；The resistance, the capacitance and two pole
Guan Jun is set on the another side of the printed circuit board.
Further, the resistance and the capacitance are respectively positioned on the surface of NMOS tube described in one of which, two pole
Pipe is located at the surface of NMOS tube described in another group, and the resistance, the capacitance and the diode are spaced setting two-by-two.
Further, the resistance, the capacitance and the diode are set on same straight line, the capacitance and described two
The distance between pole pipe is more than the distance between the resistance and the capacitance.
Further, the anti-vibration, shock proof power supply delay startup module further include be set to the NMOS tube with it is described
The one side of heat-conducting glue layer between housing bottom, the heat-conducting glue layer is bonded with NMOS tube described in two groups respectively, the heat-conducting glue
The another side of layer fits in the enclosure interior bottom surface.
Further, the shell is rectangular, and the shell has width direction and the length vertical with the width direction
Direction is spent, the anti-vibration, shock proof power supply delay startup module including three groups are respectively parallel to the width direction and in institutes
Spaced guide pin group on length direction is stated, guide pin group described in every group includes along spaced two institutes of the width direction
Guide pin is stated, and the spacing between two guide pins in guide pin group described in every group is equal.
Further, the top surface of the shell include two short sides parallel with the width direction and with the length side
To two parallel long sides, two short sides and two long sides surround rectangularity, and each short side and corresponding institute
State the arc-shaped chamfering structure in junction of long side.
Further, guide pin group described in three groups includes along the length direction successively spaced first needle group, second
Needle group and third needle group, two guide pins of the first needle group are respectively arranged on two arcs at the short side both ends
At chamfering, two guide pins of the third needle group are respectively arranged on two arc anglings at another short side both ends
Place.
Further, the first needle group and the second needle group in the length direction be smaller than described second
Needle group and the spacing of the third needle group in the length direction.
Another object of the present invention is to provide a kind of electronic equipment, including further include above-mentioned by protection circuit module
Anti-vibration, shock proof power supply delay startup module, the anti-vibration, shock proof power supply delay startup module are with described by protection electricity
Road module is electrical connected.
Anti-vibration provided by the invention, shock proof power supply delay startup module advantageous effect be：With prior art phase
Than the present invention after NMOS tube is fully on, is connected by being electrically connected with NMOS tube on a printed circuit using NMOS tube
The characteristics such as resistance is small, operating current is big, fever is small so that power supply delay startup module is not easy to generate heat when work passes through electric current, can
The rated current for promoting power supply delay startup module, to reach wanting for the low D.C. resistance of power supply delay startup module and high rated current
It asks, the surge current generated when to inhibit power supply to connect；By the way that each guide pin, NMOS tube, resistance, capacitance and diode are distinguished
Welding on a printed circuit, by filling glue by printed circuit board, each guide pin, NMOS tube, resistance, capacitance and diode embedding
In the housing so that the sound construction of power supply delay startup module, anti-vibration and strong shock resistance can reach military requirements.
The advantageous effect of electronic equipment provided by the invention is：Compared with prior art, electronics provided by the invention is set
It is standby to use above-mentioned anti-vibration, shock proof power supply delay startup module, it can effectively inhibit surge current, conducting resistance is low, delay startup
Electric current is small, and recovery time is fast.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment for those of ordinary skill in the art without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 be anti-vibration provided in an embodiment of the present invention, shock proof power supply delay startup module schematic cross-sectional view；
Fig. 2 be anti-vibration provided by the invention, shock proof power supply delay startup module schematic top plan view；
Fig. 3 be anti-vibration provided by the invention, shock proof power supply delay startup module vertical view parameter schematic diagram；
Fig. 4 be anti-vibration provided by the invention, shock proof power supply delay startup module side view parameter schematic diagram.
Wherein, each attached drawing main mark in figure：
1- shells；The first short sides of 11-；The second short sides of 12-；The first long sides of 13-；The second long sides of 14-；15- arc anglings；
2- guide pins；21- the first needle groups；The first guide pins of 211-；The second guide pins of 212-；22- the second needle groups；221- thirds are led
Needle；The 4th guide pins of 222-；23- third needle groups；The 5th guide pins of 231-；The 6th guide pins of 232-；
31- resistance；32- capacitances；33- diodes；
4- printed circuit boards；5-NMOS is managed；6- heat-conducting glue layers；The filling glue of 7-.
Specific implementation mode
In order to make technical problems, technical solutions and advantages to be solved be more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being set to " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the description of the present invention, it is to be understood that, term "center", " length ", " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore cannot manage
Solution is limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Also referring to Fig. 1 to Fig. 4, now to anti-vibration provided in an embodiment of the present invention, shock proof power supply delay startup mould
Block illustrates.The power supply delay startup module includes shell 1, several guide pins 2, printed circuit board 4, more NMOS (N-Mental-
Oxide-Semiconductor, N-type Metal-oxide-semicondutor) pipe 5 and for control more NMOS tubes 5 conducting electricity
Resistance 31, capacitance 32 and diode 33.Several guide pins 2, each NMOS tube 5, resistance 31, capacitance 32 and diode 33 are respectively welded in print
On printed circuit board 4, and it is electrically connected respectively with printed circuit board 4.There is shell 1 cavity of top end opening, printed circuit board 4 to set
It sets in the cavity；One end of several guide pins 2 is stretched into cavity and is electrically connected with printed circuit board 4, and the other end is by the cavity
Opening stretch out, and each guide pin 2 stretches out the equal length of shell 1 part.
In other embodiments, each NMOS tube 5, resistance 31, capacitance 32, diode 33 and several guide pins 2 can also pass through
Other manner is electrically connected with printed circuit board 4, is such as connected, can also be connected by metal spring by conducting wire, can quickly changed
Position and the direction for becoming each component, do not limit uniquely herein.
Printed circuit board 4, NMOS tube 5, resistance 31, capacitance 32 and diode 33 are potted in the recessed of shell 1 by filling glue 7
In chamber.Filling glue 7 is the filling glue of epoxy resin 7 of ability and impact resistance with antivibration.Preferably, which is
5180A/B glue.It is filling using 5180A/B glue, the reliability of power supply delay startup module is increased, realizes power supply delay startup module
Anti-vibration and impact resistance, to reach military requirements.In other embodiments, filling glue 7 can also be other materials system
At filling glue 7, such as the filling glue 7 of organic siliconresin or the filling glue 7 of polyurethane do not limit uniquely herein.
Above-mentioned fill operations can be expendable, can also be divided into two steps and carry out respectively.First progress is filling for the first time,
And the half of embedding shell 1, then progress is filling for the second time, at this time that the whole embeddings of shell 1 are complete.It is grasped by embedding twice
Make, it can be by the air discharge as much as possible inside shell 1 so that the installation for being set to each parts inside shell 1 is fixed
Securely, to which the anti-vibration and impact resistance of power supply delay startup module can be improved.In other embodiments, filling to divide
It is carried out respectively for multiple steps, principle is similar with the operation of embedding twice, does not limit uniquely herein.
In above-mentioned fill operations twice, the type of each filling filling glue 7 can be different.As first time is filling
It is the filling glue of 5180A/B, second can be with the filling glue of filling organic siliconresin.By different types of filling glue 7, can effectively increase
The anti-vibration and impact resistance of forceful electric power source delay startup module.In other embodiments, every time filling filling glue 7 type and
Component can be adjusted according to actual needs, not limit uniquely herein.
In above-mentioned fill operations, be not limited to it is filling from the top of shell 1, can also be from the bottom of shell 1 or other
Progress is filling at position, more effectively the air inside shell 1 can be discharged so that each zero be set to inside shell 1
The installation fixation of part, to which the anti-vibration and impact resistance of power supply delay startup module can be improved.
Above-mentioned NMOS tube 5 is preferably the semiconductor N metal-oxide-semiconductor 5 of small-volume large-power.
Above-mentioned shell 1 is made of metal material, preferably aluminum alloy materials, has many advantages, such as that thermal diffusivity is good, frivolous.
Above-mentioned guide pin 2 is cylinder configuration, is convenient for the inserting of guide pin 2, the inserting effect of guide pin 2 is good, and sealing performance is excellent.
In other embodiments, guide pin 2 or other configurations, do not limit uniquely herein.
Anti-vibration provided by the invention, shock proof power supply delay startup module, compared with prior art, the present invention by
NMOS tube 5 is electrically connected on printed circuit board 4, after NMOS tube 5 is fully on, work small using 5 conducting resistance of NMOS tube
The features such as electric current is big, fever is small so that power supply delay startup module is not easy to generate heat when work passes through electric current, can carry power supply delay startup
The operating current of module can effectively inhibit power supply to reach the requirement of power supply delay startup module low on-resistance and high current
The surge current generated when connection；By the way that each guide pin 2, NMOS tube 5, resistance 31, capacitance 32 and diode 33 are respectively welded at
On printed circuit board 4, by filling glue 7 by printed circuit board 4, each guide pin 2, NMOS tube 5, resistance 31, capacitance 32 and diode
33 embeddings are within the case 1 so that the sound construction of power supply delay startup module, anti-vibration and strong shock resistance can reach army
With requiring.
Further, also referring to Fig. 1, delay as anti-vibration provided in an embodiment of the present invention, shock proof power supply and open
A kind of specific implementation mode of dynamic model block, NMOS tube 5 are divided into two groups, and one of which NMOS tube 5 is set to the one of printed circuit board 4
End, another group of NMOS tube 5 are set to the other end of printed circuit board 4, the two groups of interval of NMOS tube 5 settings, and two groups of NMOS tubes 5 are located at print
On the same face of printed circuit board 4, and two groups of NMOS tubes 5 are in parallel in circuit；Resistance 31, capacitance 32 and diode 33 are set to
On the another side of printed circuit board 4.Specifically, the upper table in printed circuit board 4 is arranged in resistance 31, capacitance 32 and diode 33
Face, and be located along the same line；Two groups of NMOS tubes 5 are arranged at intervals on the lower surface of printed circuit board 4, and are located at same straight line
On.NMOS tube 5 is divided into two groups by this structure, and two groups of NMOS tubes 5 are in parallel in circuit, so as to reduce NMOS tube 5
Conducting resistance, to reach the requirement of power supply delay startup module low on-resistance and high current, when effectively power supply can be inhibited to connect
The surge current of generation.NMOS tube 5, resistance 31, capacitance 32 and diode 33 is separately positioned, convenient for heat dissipation, and then improve electricity
The use reliability of source delay startup module.
Preferably, resistance 31 and capacitance 32 are respectively positioned on the surface of one of which NMOS tube 5, and diode 33 is located at another group
The surface of NMOS tube 5, resistance 31, capacitance 32 and diode 33 are spaced setting two-by-two.This structure, resistance 31, capacitance 32 and two
Pole pipe 33 is respectively welded on printed circuit board 4, and two-by-two interval setting, be conducive to improve power supply delay startup module intensity and
Hardness, and then anti-vibration and the shock resistance of power supply delay startup module can be improved.
Preferably, resistance 31, capacitance 32 and diode 33 are set on same straight line, and resistance 31, capacitance 32 and diode
33 there is same height, the distance between capacitance 32 and diode 33 to be more than the distance between resistance 31 and capacitance 32.This knot
Structure is convenient for the installation of resistance 31, capacitance 32 and diode 33, and resistance 31, capacitance 32 and diode 33 are spaced setting two-by-two, respectively
The electromagnetic interference that component is subject at work is small, and then improves the performance of power supply delay startup module.
Further, also referring to Fig. 1, delay as anti-vibration provided in an embodiment of the present invention, shock proof power supply and open
A kind of specific implementation mode of dynamic model block, the power supply delay startup module further include the heat-conducting glue layer 6 for heat dissipation, the heat-conducting glue layer
6 are set between 1 bottom of NMOS tube 5 and shell, and the one side of heat-conducting glue layer 6 is bonded with the corresponding surface of two groups of NMOS tubes 5 respectively, heat conduction
The another side of glue-line 6 is bonded with 1 inner bottom surface of shell.Specifically, the same face of two groups of NMOS tubes 5 is tightly attached to printed circuit board 4
On, another side is tightly attached in heat-conducting glue layer 6, and the another side of heat-conducting glue layer 6 is tightly attached on the bottom surface of cavity.Above-mentioned NMOS tube 5 is
Enhanced N-channel MOS (Mental-Oxide-Semiconductor, Metal-oxide-semicondutor) pipe.
Preferably, it is bonded with heat-conducting glue layer 6 in the bottom surface of NMOS tube 5 and the lower half portion of side wall.Heat-conducting glue layer 6 is to lead
Hot double faced adhesive tape can make to be combined with organic silicon adhesive by acrylic polymers filling thermal conductive ceramic powder, be led with height
The characteristic of heat and insulation, and with flexibility, compressibility, docile property, strong viscosity.Adaptive temperature range is big, can fill up out-of-flatness
Surface, can close and firm be bonded heat source device and cooling fin, heat is quickly conducted.By by shell 1 and NMOS
Pipe 5 is closely linked, and the heat-sinking capability of NMOS tube 5 can be improved, and NMOS tube 5 uses -55 DEG C -175 DEG C of operating temperature range
Device, thus, the operating temperature range of power supply delay startup module can meet military requirement at -55 DEG C -100 DEG C.The electricity
Source delay startup module can realize the requirement of wide operating temperature range, while enhance the reliability of power supply delay startup module, reach army
With requiring：Meet the test requirements document of SJ20668, GJB360B and GJB548B simultaneously.
Further, also referring to Fig. 2 and Fig. 3, as anti-vibration provided in an embodiment of the present invention, shock proof power supply
A kind of specific implementation mode of delay startup module, shell 1 are rectangular, which has width direction and hang down with the width direction
Straight length direction, power supply delay startup module are respectively parallel to width direction and spaced in the longitudinal direction including three groups
Guide pin group, every group of guide pin group include spaced two guide pins 2, and the spacing between two guide pins 2 in every group of guide pin group
It is equal.Specifically, shell 1 in the horizontal plane be projected as rectangle, shell 1 have width direction (directions K1 in diagram, with
Under claim width direction K1) and the length direction vertical with the width direction (directions K2 in diagram, claim length direction below
K2).The quantity of guide pin 2 is the six roots of sensation, is divided into three groups, every group two, interval is arranged every group of guide pin 2 successively along its length, and every
Two guide pins 2 in group guide pin 2 are on the same line, and parallel with width direction, and two guide pins 2 in each group guide pin 2 it
Between distance it is equal, be D.This structure can facilitate power supply delay startup module and electronics by the spaced design of three groups of guide pin groups
Electric connection between equipment, spaced guide pin 2 have preferable heat dissipation effect.In other embodiments, the number of guide pin 2
Amount and position can also be increased and decreased or adjust according to actual needs, not limit uniquely herein.
Further, also referring to Fig. 2 and Fig. 3, as anti-vibration provided in an embodiment of the present invention, shock proof power supply
A kind of specific implementation mode of delay startup module, the top surface of shell 1 include two short sides parallel with width direction K1 and with length
Two parallel long sides of direction K2 are spent, two short sides and two long sides surround rectangularity, the connection of each short side and corresponding long side
Arc-shaped 15 structure of chamfering in place.Specifically, the projection of shell 1 in the vertical direction is rectangle, which includes and width
Two short sides and parallel with length direction K2 two long sides, the length of long side parallel degree direction K1 are longer than the length of short side,
Arc-shaped 15 configuration of chamfering in rectangular four angles.Shell 1 is designed rectangularity, convenient for each parts by this structure
Installation and layout, may make the volume of power supply delay startup module to minimize；Pass through the setting of arc angling 15, it is possible to increase power supply is slow
The heat dissipation area of starting module also can avoid wedge angle and bring security risk, improve power supply delay startup mould to improve heat dissipation effect
The safety in utilization of block.In other embodiments, the shape size of shell 1 can also be adjusted according to actual needs, herein
It does not limit uniquely.
For convenience of description, two short sides are referred to as the first short side 11 and the second short side 12, two long sides are claimed respectively
For the first long side 13 and the second long side 14.A guide pin 2 in first needle group 21 is known as the first guide pin 211, another guide pin 2 is known as
Second guide pin 212；A guide pin 2 in second needle group 22 is known as third guide pin 221, another guide pin 2 is known as the 4th guide pin 222；
A guide pin 2 in third needle group 23 is known as the 5th guide pin 231, another guide pin 2 is known as the 6th guide pin 232.
Further, also referring to Fig. 2 and Fig. 3, as anti-vibration provided in an embodiment of the present invention, shock proof power supply
A kind of specific implementation mode of delay startup module, three groups of guide pin groups include K2 along its length successively spaced first needle group
21, the second needle group 22 and third needle group 23, two arcs that two guide pins 2 of the first needle group 21 are respectively arranged on a short side both ends fall
At angle 15, two guide pins 2 of third needle group 23 are respectively arranged at two arc anglings 15 at another short side both ends.Specifically
Ground, the first guide pin 211 and the second guide pin 212 of the first needle group 21 are located at two arc anglings 15 at 11 both ends of the first short side
Place, the 5th guide pin 231 and the 6th guide pin 232 of third needle group 23 are located at two arc anglings 15 at 12 both ends of the second short side
Place；First guide pin 211, third guide pin 221 and the 5th guide pin 231 are located along the same line, and parallel with length direction K2, and second
Guide pin 212, the 4th guide pin 222 and the 6th guide pin 232 are located along the same line, and parallel with length direction K2.First guide pin
211, distance and second guide pin 212, fourth of the straightway of third guide pin 221 and the 5th guide pin 231 composition away from the second long side 14
Distance of the straightway away from the first long side 13 of guide pin 222 and the 6th guide pin 232 composition is equal；First guide pin 211 and the second guide pin
The straightway that distance of the straightway of 212 compositions away from the first short side 11 is formed with the 5th guide pin 231 and the 6th guide pin 232 is away from second
The distance of short side 12 is equal；First guide pin 211 is equal at a distance from the first short side 11 and the second long side 14 respectively；Second guide pin
212 is equal at a distance from the first short side 11 and the first long side 13 respectively；5th guide pin 231 is grown with the second short side 12 and second respectively
The distance on side 14 is equal；6th guide pin 232 is equal at a distance from the first long side 13 and the second short side 12 respectively.This structure, can be fast
Fast ground is accurately installed by each guide pin 2 so that power supply delay startup module is in best working condition, is risen to surge current
To best inhibiting effect.In other embodiments, the position distribution of each guide pin 2 can also be adjusted according to actual needs,
It does not limit uniquely herein.
Further, also referring to Fig. 2 and Fig. 3, as anti-vibration provided in an embodiment of the present invention, shock proof power supply
A kind of specific implementation mode of delay startup module, the first needle group 21 and the second needle group 22 are smaller than on length direction K2
Two needle groups 22 and spacing of the third needle group 23 on length direction K2.Specifically, between the first guide pin 211 and third guide pin 221
Distance be less than between the distance between third guide pin 221 and the 5th guide pin 231 or the second guide pin 212 and the 4th guide pin 222
Distance be less than the distance between the 4th guide pin 222 and the 6th guide pin 232.This structure, by by the second needle group 22 close to first
Needle group 21 is arranged far from third needle group 23 so that and after two groups of NMOS tubes 5 in parallel are fully on, conducting resistance is small, and fever is small,
The inhibiting effect to surge current can be enhanced, can reach the small delay startup electric current of power supply delay startup module and wanting for high current application
It asks.
First needle group 21 and the second needle group 22 are encircled into the first chamber (figure is not marked) for housing resistance 31 and capacitance 32,
Second needle group 22 is encircled into the second chamber for housing diode 33 with third needle group 23 (figure is not marked).Specifically, it first leads
Needle 211, the second guide pin 212, third guide pin 221 and the 4th guide pin 222 are encircled into first chamber, and resistance 31 and capacitance 32 are respectively provided with
On printed circuit board 4, and in the first chamber；Third guide pin 221, the 4th guide pin 222, the 5th guide pin 231 and the 6th
Guide pin 232 is encircled into second chamber, and diode 33 is arranged on printed circuit board 4, and in the second chamber.This structure,
Resistance 31, capacitance 32 and diode 33 are provided separately so that the electromagnetic interference of each parts is smaller, improves making for each parts
With effect, it helps reinforce heat dissipation, improve the operating temperature range of power supply delay startup module, improve generally applicable ability.
In other embodiments, resistance 31, capacitance 32 and diode 33 can also be arranged at other positions, not limit uniquely herein.
Also referring to Fig. 3 and Fig. 4, each parameter of power supply delay startup module is as shown in the table.
| A | B | C | D | E | F | G | ΦH |
| 28±1 | 19.5±1 | 10±1 | 14±0.5 | 10±0.5 | 12.3±0.5 | 6±0.5 | 1±0.05 |
Parameter units in above table are millimeter (mm).As seen from the above table, which meets army
With the small form factor requirements of equipment small size.In other embodiments, each parameter of power supply delay startup module can also be for a long time practical
It needs to be adjusted, not limit uniquely herein.
The making step of the power supply delay startup module is as follows：
1, NMOS tube 5, several guide pins 2, resistance 31, capacitance 32 and diode 33 are respectively welded on printed circuit board 4；
2, NMOS tube 5 is bonded in the bottom of shell 1 by heat-conducting glue layer 6；
3, filling glue 7 is injected from the opening of the cavity of shell 1, makes printed circuit board 4, NMOS tube 5, several guide pins 2, electricity
Resistance 31, capacitance 32 and diode 33 are potted in shell 1；
4, the assembling of power supply delay startup module is completed in seal casinghousing 1.
A kind of electronic equipment provided by the invention, including by protective device (not shown), wherein further include above-mentioned electricity
Source delay startup module, this is electrically connected by protective device and power supply delay startup module.Electronic equipment can be other suitable electricity
Subassembly.In the electronic equipment, power supply delay startup module is easy to operate, it is easy to accomplish batch production.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. anti-vibration, shock proof power supply delay startup module, it is characterised in that：Including shell, several guide pins, it is set to the shell
In printed circuit board, the capacitance on the printed circuit board is used for diode, after switch when power supply being inhibited to connect
More NMOS tubes of generated surge current and the resistance be connected for controlling the more NMOS tubes, each NMOS
Pipe, the resistance, the capacitance and the diode are respectively welded on the printed circuit board；The shell has a top
The cavity of opening, one end and the printed circuit board of each guide pin are weldingly connected, and the other end of each guide pin is by described
The opening of cavity is stretched out；The printed circuit board, each NMOS tube, the resistance, the capacitance and the diode are logical
Filling glue is crossed to be potted in the cavity of the shell.
2. anti-vibration, shock proof power supply delay startup module as described in claim 1, it is characterised in that；The more NMOS
Pipe is divided into two groups, and NMOS tube described in one of which is set to one end of the printed circuit board, and NMOS tube is set to described in another group
The other end of the printed circuit board, NMOS tube described in two groups are located on the same face of the printed circuit board, and described in two groups
NMOS tube parallel connection is set in circuit；The resistance, the capacitance and the diode are set to the another of the printed circuit board
On face.
3. anti-vibration, shock proof power supply delay startup module as claimed in claim 2, it is characterised in that：The resistance and institute
State the surface that capacitance is respectively positioned on NMOS tube described in one of which, the diode be located at NMOS tube described in another group just on
Side, the resistance, the capacitance and the diode are spaced setting two-by-two.
4. anti-vibration as described in claim 1, shock proof power supply delay startup module, it is characterised in that：It is the resistance, described
Capacitance and the diode are set on same straight line, and the distance between the capacitance and the diode are more than the resistance and institute
State the distance between capacitance.
5. anti-vibration as described in claim 1, shock proof power supply delay startup module, it is characterised in that：The anti-vibration resists
The power supply delay startup module of impact further includes the heat-conducting glue layer being set between the NMOS tube and the housing bottom, the heat conduction
The one side of glue-line is bonded with NMOS tube described in two groups respectively, and the another side of the heat-conducting glue layer fits in the enclosure interior bottom
Face.
6. anti-vibration as described in claim 1, shock proof power supply delay startup module, it is characterised in that：The shell is side
Shape, the shell have width direction and the length direction vertical with the width direction, the anti-vibration, shock proof power supply
Delay startup module is respectively parallel to the width direction and in the length direction spaced guide pin group including three groups, often
The group guide pin group includes and two in guide pin group described in every group along spaced two guide pins of the width direction
Spacing between the guide pin is equal.
7. anti-vibration as claimed in claim 6, shock proof power supply delay startup module, it is characterised in that：The top of the shell
Face includes two short sides and with the length direction parallel two long sides parallel with the width direction, two short sides
Rectangularity, and each short side and the arc-shaped chamfering knot in the junction of the corresponding long side are surrounded with two long sides
Structure.
8. anti-vibration, shock proof power supply delay startup module as claimed in claim 7, it is characterised in that：Guide pin described in three groups
Group include along the length direction successively spaced first needle group, the second needle group and third needle group, the first needle group
Two guide pins are respectively arranged at two arc anglings at the short side both ends, described in two of the third needle group
Guide pin is respectively arranged at two arc anglings at another short side both ends.
9. anti-vibration as claimed in claim 8, shock proof power supply delay startup module, it is characterised in that：The first needle group
With the second needle group in the length direction be smaller than the second needle group and the third needle group in the length
Spacing on direction.
10. electronic equipment, including by protection circuit module, it is characterised in that：Further include such as claim 1-9 any one of them
Anti-vibration, shock proof power supply delay startup module, the anti-vibration, shock proof power supply delay startup module are with described by protection electricity
Road module is electrical connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810690577.8A CN108599542A (en) | 2018-06-28 | 2018-06-28 | Anti-vibration, shock proof power supply delay startup module and electronic equipment |
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|---|---|---|---|
| CN201810690577.8A CN108599542A (en) | 2018-06-28 | 2018-06-28 | Anti-vibration, shock proof power supply delay startup module and electronic equipment |
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| CN201810690577.8A Pending CN108599542A (en) | 2018-06-28 | 2018-06-28 | Anti-vibration, shock proof power supply delay startup module and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995227A (en) * | 2019-04-01 | 2019-07-09 | 深圳振华富电子有限公司 | Power supply delay startup module and power module |
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| KR200453728Y1 (en) * | 2010-11-19 | 2011-05-24 | (주)옴니엘피에스 | Surge Protection Device |
| WO2013157086A1 (en) * | 2012-04-18 | 2013-10-24 | トヨタ自動車株式会社 | Electrical power converter |
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