CN108631572A - Power supply delay startup module and electronic equipment - Google Patents

Abstract

The present invention is suitable for technical field of electronic communication, provide a kind of power supply delay startup module and electronic equipment, the power supply delay startup module includes shell, several guide pins, printed circuit board, more NMOS tubes, resistance, capacitance and diode, more NMOS tubes are divided into two groups, and two groups of NMOS tubes form parallel connection.Compared with prior art, the present invention is set to by the way that two groups of NMOS tubes have been electrically connected on a printed circuit, and by two groups of NMOS tube parallel connections in circuit, so as to reduce the conducting resistance of NMOS tube.After two groups of NMOS tubes of parallel connection are fully on, the features such as small, fever is small using two groups of NMOS tube conducting resistances in parallel, so that power supply delay startup module is not easy to generate heat when work passes through electric current, the operating current of power supply delay startup module can be promoted, to reach the requirement of power supply delay startup module low on-resistance and high current, the surge current that is generated when effectively power supply can be inhibited to connect.

Description

Power supply delay startup module and electronic equipment

Technical field

The present invention is suitable for technical field of electronic communication, is to be related to a kind of power supply delay startup module and make more specifically With the electronic equipment of the power supply delay startup module.

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.

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 that a kind of effectively to inhibit the protective device of surge current be urgently Technical problem to be solved.

Invention content

The purpose of the present invention is to provide a kind of power supply delay startup modules, to solve protective device existing in the prior art The problem of surge current cannot effectively be inhibited.

To achieve the above object, the technical solution adopted by the present invention is：A kind of power supply delay startup module, including shell are provided Body, several guide pins, the printed circuit board in the shell, the capacitance on the printed circuit board and diode, For more NMOS tubes of generated surge current when power supply being inhibited to connect and for controlling the more NMOS after conducting Pipe conducting resistance, several guide pins, each NMOS tube, the resistance, the capacitance and the diode respectively with institute State printed circuit board electric connection；The more NMOS tubes are divided into two groups, and NMOS tube described in one of which is set to the printing One end of circuit board, NMOS tube described in another group are set to the other end of the printed circuit board, and NMOS tube interval described in two groups is set It sets, and NMOS tube parallel connection described in two groups is set in circuit；Cavity of the shell with a top end opening, the one of each guide pin End is electrical connected with the printed circuit board, and the other end of each guide pin is stretched out by the opening of the cavity.

Further, the power supply delay startup module further includes being set to leading between the NMOS tube and the housing bottom The one side of hot glue layer, the heat-conducting glue layer 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 surface.

Further, the shell is rectangular, and the shell has width direction and the length vertical with the width direction Direction is spent, the power supply delay startup module is respectively parallel to the width direction including three groups and is spaced in the length direction The guide pin group of setting, guide pin group described in every group include along spaced two guide pins of the width direction, and every group of institute The spacing stated between two guide pins in guide pin 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.

Further, the first needle group and the second needle group are encircled into for housing the resistance and the capacitance First chamber, the second needle group are encircled into the second chamber for housing the diode with the third needle group.

Further, NMOS tube described in two groups is welded in the one side of the printed circuit board, the resistance, the electricity Hold and the diode is welded on the another side of the printed circuit board, and the resistance, the capacitance and two pole Pipe interval setting two-by-two.

Further, several guide pins, the printed circuit board, the NMOS tube, the resistance, the capacitance and institute Diode is stated to be potted in the cavity of the shell by filling glue.

Another object of the present invention is to provide a kind of electronic equipment, including further include above-mentioned by protection circuit module Power supply delay startup module, the power supply delay startup module are electrical connected with described by protection circuit module.

The advantageous effect of power supply delay startup module provided by the invention is：Compared with prior art, the present invention by Two groups of NMOS tubes are electrically connected on printed circuit board, and two groups of NMOS tube parallel connections are set in circuit, so as to reduce The conducting resistance of NMOS tube.After two groups of NMOS tubes of parallel connection are fully on, small using two groups of NMOS tube conducting resistances in parallel, It generates heat the features such as small so that power supply delay startup module is not easy to generate heat when work passes through electric current, can promote power supply delay startup module Operating current effectively power supply can be inhibited to connect to reach the requirement of power supply delay startup module low on-resistance and high current When the surge current that generates.

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 power supply delay startup module, it can effectively inhibit surge current, conducting resistance is low, and delay startup electric current is small, recovery time Soon.

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 is the schematic cross-sectional view of power supply delay startup module provided in an embodiment of the present invention；

Fig. 2 is the schematic top plan view of power supply delay startup module provided by the invention；

Fig. 3 is the parameter schematic diagram of power supply delay startup module vertical view provided by the invention；

Fig. 4 is the parameter schematic diagram of power supply delay startup module side view provided by the invention.

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 power supply delay startup module provided in an embodiment of the present invention is illustrated.The electricity Source delay startup module includes shell 1, several guide pins 2, printed circuit board 4, NMOS (N-Mental-Oxide- Semiconductor, N-type Metal-oxide-semicondutor) pipe 5 and for control NMOS tube 5 conducting resistance 31, capacitance 32 and diode 33.Several guide pins 2, NMOS tube 5, resistance 31, capacitance 32 and diode 33 electrically connect with printed circuit board 4 respectively It connects.NMOS tube 5 is divided into two groups, and one of which NMOS tube 5 is set to one end of printed circuit board 4, and another group of NMOS tube 5 is set to print 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 can be reduced using connection type in parallel The conducting resistance of NMOS tube 5.There is shell 1 cavity of top end opening, printed circuit board 4 to be arranged in the cavity；Several guide pins 2 One end stretch into cavity and be electrically connected with printed circuit board 4, the other end is stretched out by the opening of the cavity, and each guide pin 2 Stretch out the equal length of 1 part of shell.

Above-mentioned each guide pin 2 can be welding with printed circuit board 4, or conducting wire connects, and can also pass through metal elastic Spring connects.It is connected by metal spring, can quickly change the direction of each guide pin 2, it is easy to operate.

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.

Power supply delay startup module provided by the invention, compared with prior art, the present invention on printed circuit board 4 by dividing It is not electrically connected with two groups of NMOS tubes 5, and two groups of NMOS tubes 5 are in parallel in circuit, so as to reduce the electric conduction of NMOS tube 5 Resistance.After two groups of NMOS tubes 5 in parallel are fully on, the spies such as fever small small using two groups of 5 conducting resistances of NMOS tube in parallel Point so that power supply delay startup module is not easy to generate heat when work passes through electric current, can promote the operating current of power supply delay startup module, To reach the requirement of power supply delay startup module low on-resistance and high current, the surge that is generated when effectively power supply can be inhibited to connect Electric current.

Further, also referring to Fig. 1, one kind as power supply delay startup module provided in an embodiment of the present invention is specific Embodiment, the power supply delay startup module further include the heat-conducting glue layer 6 for heat dissipation, which is set to NMOS tube 5 and shell Between 1 bottom of body, the one side of heat-conducting glue layer 6 is bonded with the corresponding surface of two groups of NMOS tubes 5 respectively, the another side of heat-conducting glue layer 6 with 1 inner bottom surface of shell is bonded.Specifically, NMOS tube 5 is enhanced N-channel MOS (Mental-Oxide- Semiconductor, Metal-oxide-semicondutor) it manages, the same face of two groups of NMOS tubes 5 is tightly attached on printed circuit board 4, separately It is tightly attached on one side in heat-conducting glue layer 6, the another side of heat-conducting glue layer 6 is tightly attached on the bottom surface of cavity.

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, one as power supply delay startup module provided in an embodiment of the present invention Kind specific implementation mode, shell 1 are rectangular, which has width direction and the length direction vertical with the width direction, electricity Source delay startup module is respectively parallel to width direction and guide pin group spaced in the longitudinal direction, every group of guide pin including three groups Group includes spaced two guide pins 2, and the spacing between two guide pins 2 in every group of guide pin group is equal.Specifically, shell 1 in the horizontal plane be projected as rectangle, shell 1 has width direction, and (directions K1 in diagram, claim width direction below K1) and the length direction vertical with the width direction (directions K2 in diagram, below claim length direction K2).The number of guide pin 2 Amount 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 two in every group of guide pin 2 A guide pin 2 is on the same line, and parallel with width direction, and the distance between two guide pins 2 in each group guide pin 2 are equal, It is D.This structure can facilitate the electricity between power supply delay startup module and electronic equipment by the spaced design of three groups of guide pin groups Property connection, spaced guide pin 2 have preferable heat dissipation effect.In other embodiments, the quantity of guide pin 2 and position also may be used To be increased and decreased or adjust according to actual needs, do not limit uniquely herein.

Further, also referring to Fig. 2 and Fig. 3, one as power supply delay startup module provided in an embodiment of the present invention Kind of specific implementation mode, the top surface of shell 1 include two short sides parallel with width direction K1 and parallel with length direction K2 Two long sides, two short sides and two long sides surround rectangularity, each short side and the arc-shaped chamfering in the junction of corresponding long side 15 structures.Specifically, the projection of shell 1 in the vertical direction is rectangle, which includes parallel with width direction K1 Two short sides and parallel with length direction K2 two long sides, the length of long side are longer than the length of short side, this rectangular four Arc-shaped 15 configuration of chamfering in angle.This structure, rectangularity is designed by shell 1, and the installation convenient for each parts and layout can make Obtain the volume miniaturization of power supply delay startup module；Pass through the setting of arc angling 15, it is possible to increase the heat dissipation of power supply delay startup module Area also can avoid wedge angle and bring security risk, improve the safe to use of power supply delay startup module to improve heat dissipation effect Property.In other embodiments, the shape size of shell 1 can also be adjusted according to actual needs, not limit uniquely herein.

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, one as power supply delay startup module provided in an embodiment of the present invention Kind specific implementation mode, three groups of guide pin groups include K2 along its length successively spaced first needle group 21, the second needle group 22 It is respectively arranged at two arc anglings 15 at a short side both ends with two guide pins 2 of third needle group 23, the first needle group 21, third needle Two guide pins 2 of group 23 are respectively arranged at two arc anglings 15 at another short side both ends.Specifically, the first needle group 21 First guide pin 211 and the second guide pin 212 are located at two arc anglings 15 at 11 both ends of the first short side, third needle group 23 5th guide pin 231 and the 6th guide pin 232 are located at two arc anglings 15 at 12 both ends of the second short side；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 the second guide pin the 212, the 4th is led Needle 222 and the 6th guide pin 232 are located along the same line, and parallel with length direction K2.First guide pin 211,221 and of third guide pin Distance and second guide pin 212, fourth guide pin 222 and sixth guide pin of the straightway of 5th guide pin 231 composition away from the second long side 14 Distance of the straightway away from the first long side 13 of 232 compositions is equal；First guide pin 211 and the second guide pin 212 composition straightway away from The straightway that the distance of first short side 11 is formed with the 5th guide pin 231 and the 6th guide pin 232 is away from equal at a distance from the second short side 12； 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 respectively with the first short side 11 It is equal with the distance of the first long side 13；5th guide pin 231 is equal at a distance from the second short side 12 and the second long side 14 respectively；6th Guide pin 232 is equal at a distance from the first long side 13 and the second short side 12 respectively.This structure rapidly can carry out essence to each guide pin 2 It really installs so that power supply delay startup module is in best working condition, and best inhibiting effect is played to surge current. In other embodiments, the position distribution of each guide pin 2 can also be adjusted according to actual needs, not limit uniquely herein.

Further, also referring to Fig. 2 and Fig. 3, one as power supply delay startup module provided in an embodiment of the present invention Kind specific implementation mode, the first needle group 21 and the second needle group 22 are smaller than the second needle group 22 and third on length direction K2 Spacing of the needle group 23 on length direction K2.Specifically, the distance between the first guide pin 211 and third guide pin 221 are less than third The distance between guide pin 221 and the 5th guide pin 231 or the distance between the second guide pin 212 and the 4th guide pin 222 are less than the 4th The distance between guide pin 222 and the 6th guide pin 232.This structure, by by the second needle group 22 close to the first needle group 21, far from third Needle group 23 is arranged so that after two groups of NMOS tubes 5 in parallel are fully on, conducting resistance is small, and fever is small, can enhance to surge current Inhibiting effect, can reach power supply delay startup module small delay startup electric current and high current application requirement.

Further, also referring to Fig. 1 to Fig. 3, one as power supply delay startup module provided in an embodiment of the present invention Kind specific implementation mode, the first needle group 21 and the second needle group 22 are encircled into the first chamber for housing resistance 31 and capacitance 32 (figure is not marked), the second needle group 22 are encircled into the second chamber for housing diode 33 with third needle group 23 (figure is not marked).Specifically Ground, the first guide pin 211, the second guide pin 212, third guide pin 221 and the 4th guide pin 222 are encircled into first chamber, resistance 31 and electricity Hold 32 to be arranged 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 be encircled into second chamber, diode 33 is arranged on printed circuit board 4, and is located at the second chamber In.Resistance 31, capacitance 32 and diode 33 are provided separately by this structure so that the electromagnetic interference of each parts is smaller, improves each The using effect of parts, it helps reinforce heat dissipation, improve the operating temperature range of power supply delay startup module, improve suitable extensively Use ability.In other embodiments, resistance 31, capacitance 32 and diode 33 can also be arranged at other positions, not make herein It is unique to limit.

Further, also referring to Fig. 1, one kind as power supply delay startup module provided in an embodiment of the present invention is specific Embodiment, two groups of NMOS tubes 5 are welded in the one side of printed circuit board 4, and resistance 31, capacitance 32 and diode 33 weld In on the another side of printed circuit board 4, and resistance 31, capacitance 32 and diode 33 are spaced setting two-by-two.Specifically, resistance 31 with The distance between capacitance 32 is less than the distance between capacitance 32 and diode 33, and resistance 31, capacitance 32 and diode 33 have Same height, resistance 31, capacitance 32 and diode 33 are respectively positioned on the upper surface of printed circuit board 4, two groups of 5 equal positions of NMOS tube In on the lower surface of printed circuit board 4.Resistance 31 and capacitance 32 are located therein the surface of one group of NMOS tube 5, diode 33 In the surface of another group of NMOS tube 5, the job stability of power supply delay startup module is improved, using effect is good.

This structure by welding distinguishes NMOS tube 5, resistance 31, capacitance 32, diode 33 and several guide pins 2 It is electrically connected with printed circuit board 4, anti-vibration and the impact resistance of power supply delay startup module can be improved, wanted to reach military It asks.In other embodiments, NMOS tube 5, resistance 31, capacitance 32, diode 33 and several guide pins 2 can also be otherwise It is electrically connected with printed circuit board 4, such as by conducting wire, does not limit uniquely herein.

Further, also referring to Fig. 1, one kind as power supply delay startup module provided in an embodiment of the present invention is specific Embodiment, several guide pins 2, printed circuit board 4, NMOS tube 5, resistance 31, capacitance 32 and diode 33 pass through 7 embedding of filling glue In the cavity of shell 1.Filling glue 7 is the filling glue of epoxy resin 7 of ability and impact resistance with antivibration.Preferably, The filling glue 7 is 5180A/B glue.It is filling using 5180A/B glue, the reliability of power supply delay startup module is increased, realizes power supply The anti-vibration of delay startup module and impact resistance, to reach military requirements.In other embodiments, filling glue 7 can also It is filling glue 7 made of other materials, such as the filling glue 7 of organic siliconresin or the filling glue 7 of polyurethane, does not limit uniquely herein It is fixed.

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.

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. power supply delay startup module, it is characterised in that：Including shell, several guide pins, the printed circuit board in the shell, Capacitance on the printed circuit board is with diode, after switch for generated surge current when power supply being inhibited to connect More NMOS tubes and resistance for controlling more NMOS tubes conductings, several guide pins, each NMOS tube, The resistance, the capacitance and the diode are electrically connected with the printed circuit board respectively；The more NMOS tube deciles At two groups, NMOS tube described in one of which is set to one end of the printed circuit board, and NMOS tube described in another group is set to the print The other end of printed circuit board, NMOS tube interval described in two groups are arranged, and NMOS tube parallel connection described in two groups is set in circuit；The shell There is body the cavity of a top end opening, one end and the printed circuit board of each guide pin to be electrical connected, each guide pin The other end is stretched out by the opening of the cavity.

2. power supply delay startup module as described in claim 1, it is characterised in that：The power supply delay startup module further includes being set to Heat-conducting glue layer between the NMOS tube and the housing bottom, the one side of the heat-conducting glue layer respectively with NMOS tube described in two groups Fitting, the another side of the heat-conducting glue layer fit in the enclosure interior bottom surface.

3. power supply delay startup module as described in claim 1, it is characterised in that：The shell is rectangular, and the shell has Width direction and the length direction vertical with the width direction, the power supply delay startup module are respectively parallel to institute including three groups Width direction and in the length direction spaced guide pin group are stated, guide pin group described in every group includes along the width direction Spaced two guide pins, and the spacing between two guide pins in guide pin group described in every group is equal.

4. power supply delay startup module as claimed in claim 3, it is characterised in that：The top surface of the shell includes and the width Two parallel short sides of direction and parallel with the length direction two long sides, two short sides and two long sides are closed Surround rectangle, and each short side and the arc-shaped chamfering structure in the junction of the corresponding long side.

5. power supply delay startup module as claimed in claim 4, it is characterised in that：Guide pin group described in three groups includes along the length Spaced first needle group, the second needle group and third needle group, two guide pins of the first needle group are distinguished successively in direction At two arc anglings at the short side both ends, two guide pins of the third needle group are respectively arranged on another At two arc anglings at the short side both ends.

6. power supply delay startup module as claimed in claim 5, it is characterised in that：The first needle group exists with the second needle group It is smaller than the second needle group and the spacing of the third needle group in the length direction on the length direction.

7. power supply delay startup module as claimed in claim 5, it is characterised in that：The first needle group is combined with second needle The first chamber for housing the resistance and the capacitance is surrounded, the second needle group is encircled into the third needle group and is used for House the second chamber of the diode.

8. power supply delay startup module as described in claim 1, it is characterised in that：NMOS tube described in two groups is welded in the print In the one side of printed circuit board, the resistance, the capacitance and the diode are welded in the another side of the printed circuit board On, and the resistance, the capacitance and the diode are spaced setting two-by-two.

9. power supply delay startup module as described in claim 1, it is characterised in that：Several guide pins, the printed circuit board, The NMOS tube, the resistance, the capacitance and the diode are potted in by filling glue in the cavity of the shell.

10. electronic equipment, including by protection circuit module, it is characterised in that：Further include such as claim 1-9 any one of them Power supply delay startup module, the power supply delay startup module are electrical connected with described by protection circuit module.