CN107026564A - Electronic installation and its power supply delay startup equipment - Google Patents
Electronic installation and its power supply delay startup equipment Download PDFInfo
- Publication number
- CN107026564A CN107026564A CN201710369567.XA CN201710369567A CN107026564A CN 107026564 A CN107026564 A CN 107026564A CN 201710369567 A CN201710369567 A CN 201710369567A CN 107026564 A CN107026564 A CN 107026564A
- Authority
- CN
- China
- Prior art keywords
- power supply
- pcb board
- switching tube
- guide pin
- delay startup
- 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
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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
- H02M1/34—Snubber circuits
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
- H02M1/34—Snubber circuits
- H02M1/346—Passive non-dissipative snubbers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Direct Current Feeding And Distribution (AREA)
Abstract
The present invention relates to electronic installation and its power supply delay startup equipment.A kind of power supply delay startup equipment includes housing, switching tube, pcb board, some guide pins, resistance and electric capacity；Housing has the inner chamber of one end open；Switching tube is used to suppress surge current；Pcb board is provided with power supply soft-start circuit；Switching tube overlays the bottom of inner chamber；Pcb board overlay switching tube relative to be connected with bottom one side, and with pcb board be electrically connected with；Resistance and electric capacity are individually positioned in pcb board relative to the one side that switching tube is connected, and are electrically connected with pcb board；Resistance and electric capacity are used for the conducting resistance of controlling switch pipe；Guide pin includes the first guide pin and the second guide pin；First guide pin is connected with pcb board, and is connected with external power input；Second guide pin is connected with pcb board and for the output of pcb board circuit signal；Above-mentioned power supply delay startup equipment is by the conducting resistance of resistance and capacitance controlled switches pipe, so that the surge current produced when controlling power on.Therefore, it is possible to effectively suppress surge current during power initiation.
Description
Technical field
The present invention relates to technical field of electronic communication, more particularly to a kind of electronic installation and its power supply delay startup equipment.
Background technology
In conventional Switching Power Supply, many Switching Power Supplies, particularly high power switching power supply produce one in powered on moment
It is individual than larger surge current.Surge current is easily damaged electronic device.Traditional apparatus for protecting power supply, it is impossible to preferably press down
Surge current processed.
The content of the invention
Based on this, it is necessary to provide it is a kind of can effectively suppress the power supply delay startup equipment of surge current, also provide a kind of
Electronic installation.
A kind of power supply delay startup equipment, including housing, switching tube, pcb board, some guide pins, resistance and electric capacity；The housing
Inner chamber with one end open；The switching tube is used to by controlling its conducting resistance suppress the surge produced during power on
Electric current；The pcb board is provided with power supply soft-start circuit；The switching tube overlay the inner chamber relative to the one of openend
The bottom at end；The pcb board overlay the switching tube relative to the one side with the bottom connecting surfaces；The switching tube
Input is connected with the input of the power supply soft-start circuit, the output end of the switching tube and the power supply soft-start circuit
Output end connection；The resistance and the electric capacity are individually positioned in the pcb board relative to the one of the switching tube joint face
Face；One end of the resistance is connected with the input of the power supply soft-start circuit, the control end of the other end and the switching tube
It is electrically connected with；Described electric capacity one end is connected with the input of the power supply soft-start circuit, the control of the other end and the switching tube
End connection processed；The resistance and the electric capacity are used for the conducting resistance for controlling the switching tube；The guide pin includes the first guide pin
With the second guide pin；The input connection of power supply soft-start circuit on one end and pcb board of first guide pin, the other end is by institute
State and stretch out to be connected with power input at the opening of inner chamber；Power supply on one end and pcb board of second guide pin delays
The output end connection of start-up circuit, the other end is stretched out for output signal by the opening of the inner chamber.
In one of the embodiments, in addition to heat-conducting glue layer；The heat-conducting glue layer is located at the switching tube and described interior
Between the portion of bottom of chamber.
In one of the embodiments, the heat-conducting glue layer at least covers the bottom surface of the switching tube.
In one of the embodiments, the switching tube is NMOS tube.
In one of the embodiments, the guide pin also includes the 3rd guide pin；On one end and pcb board of 3rd guide pin
Power supply soft-start circuit reference ground connection, the other end by the inner chamber opening stretch out for external power source
Earth terminal is connected.
In one of the embodiments, in addition to casting glue；The casting glue be used for by the pcb board, the switching tube,
The resistance and the electric capacity are potted in the inner chamber.
In one of the embodiments, the casting glue is A/B glue.
In one of the embodiments, the housing is the housing of square structure.
In one of the embodiments, the guide pin quantity is three；Three guide pins are respectively positioned at the housing
At any three knuckles.
A kind of electronic installation, including by protection circuit module；Also include the power supply delay startup described in any of the above-described embodiment
Equipment；The power supply delay startup equipment is electrically connected with described by protection circuit module.
Pcb board, resistance, electric capacity and switching tube are provided with above-mentioned power supply delay startup equipment, housing.Power supply delay startup equipment
By the conducting resistance of resistance and capacitance controlled switches pipe, so that the surge current produced when controlling power on.Therefore, it is possible to
Effectively suppress surge current during power initiation.
Brief description of the drawings
Fig. 1 be an embodiment in power supply delay startup equipment sectional view；
Fig. 2 be an embodiment in power supply delay startup equipment schematic perspective view；
Fig. 3 be an embodiment in power supply delay startup equipment the schematic diagram looked up；
Fig. 4 be an embodiment in power supply delay startup equipment a side view schematic diagram；
Fig. 5 be an embodiment in power supply delay startup equipment another side view schematic diagram.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of power supply delay startup equipment, for suppressing surge current in Switching Power Supply with the electronics device in protection circuit
Part.As described in Figure 1, the power supply delay startup equipment includes housing 100, guide pin, pcb board 300, switching tube 200, resistance 500 and electricity
Hold 400.Housing 100 has the inner chamber of one end open.In the present embodiment, housing 100 is the housing of square structure.
Switching tube 200 and pcb board 300 overlay the bottom of one end relative to openend of the inner chamber of shell 100 successively.Open
Pipe 200 is closed to be connected and be electrically connected with the structure of pcb board 300.Pcb board 300 is provided with power supply soft-start circuit (not shown).Switch
The input of pipe 200 is connected with the input in the power supply soft-start circuit on pcb board 300.The output end of switching tube 200 with
Output end connection in power supply soft-start circuit on pcb board 300.Resistance 500 and electric capacity 400 are individually positioned in the phase of pcb board 300
It is electrically connected with for the one side of the joint face of switching tube 200, and with pcb board 300, and resistance 500 and electric capacity 400 are not contacted.Its
In, one end of resistance 500 is electrically connected with the input of the power supply soft-start circuit on pcb board 300, the other end and switching tube
200 control end is electrically connected with.The one end of electric capacity 400 and the input of the power supply soft-start circuit on pcb board 300 are electrically connected with,
The control end of the other end and switching tube 200 is electrically connected with.In the present embodiment, switching tube 200 is used to lead to after power supply conducting
Cross and control the conducting resistance of its own to control the surge current produced during power on.Resistance 500 and electric capacity 400 are used to control
The conducting resistance of switching tube 200, can be different to realize by the resistance for adjusting resistance 500 or the capacitor value for adjusting electric capacity 400
Suppress the effect of power surge electric current.Switching tube 200 has with pcb board 300 contacts tie point at two.
As shown in Fig. 2 guide pin includes the first guide pin 601, the second guide pin 603 and the 3rd guide pin 605.3rd guide pin 605
One end is connected with the input of the power supply soft-start circuit on pcb board 300, and the other end is stretched out by the lumen openings of shell 100
To be connected with power input.One end of first guide pin 601 is connected with the output end of the power supply soft-start circuit on pcb board 300,
The other end is stretched out with output signal by the lumen openings of shell 100.Delay with the power supply on pcb board 300 one end of second guide pin 603
The reference ground connection of start-up circuit, the other end is stretched out to connect with the earth terminal of external power source by the lumen openings of shell 100
Connect.Power supply delay startup equipment is connected by the 3rd guide pin 605 with the output end of external power source, passes through the first guide pin 601 and outside
Power supply is connected the need for connecting by the input of protection circuit.Therefore, in outside power initiation moment, set by power supply delay startup
The standby surge current that can suppress to produce when external power source starts, realization is protected the need for being connected with external power source by protection circuit
Shield.
Pcb board 300, resistance 500, electric capacity 400, switching tube 200 are provided with above-mentioned power supply delay startup equipment, housing 100
And guide pin.Power supply delay startup equipment is by the conducting resistance of resistance 500 and the controlling switch pipe 200 of electric capacity 400, so as to control power supply
The surge current produced during connection.Therefore, it is possible to effectively suppress surge current during power initiation.
In the present embodiment, power supply delay startup equipment also includes heat-conducting glue layer 700.Heat-conducting glue layer 700 is located at switching tube 200
Between the intracavity bottom of housing 100.The bottom surface of at least overlay switch pipe 200 of heat-conducting glue layer 700, in order to dissipating for switching tube 200
The temperature control of heat and switch tube 200.Heat-conducting glue layer 700 uses bond plies, and shell 100 and switching tube 200 is close
It is combined together, to improve the heat-sinking capability of switching tube 200.
In the present embodiment, power supply delay startup equipment also includes casting glue 800.Pcb board 300, switching tube 200, resistance 500
The inner chamber of housing 100 is potted in by casting glue 800 with electric capacity 400.Casting glue 800 is with antivibration kinetic force and shock resistance energy
The epoxy resin embedding adhesive of power.In other embodiments, casting glue 800 can also be that organic siliconresin casting glue or polyurethane are filled
Sealing.In the present embodiment, casting glue 800 is 5180A/B glue.Using 5180A/B glue embeddings, power supply delay startup equipment is enhanced
Reliability, anti-vibration and the impact resistance of power supply delay startup equipment are realized, so as to reach military requirements.
As shown in Fig. 2 in the present embodiment, power supply delay startup equipment also includes pin 900.Pin 900 is out of housing 100
The openend edge protrusion of chamber.Power supply delay startup equipment be used for switching power circuit when, pin 900 be connected with external devices with
Fixed power source delay startup equipment.In the present embodiment, the quantity of pin 900 is two.Two pins 900 are located at shell respectively
The symmetric position of the 100 two relative edges in openends.In other embodiments, the quantity of pin 900 and position can also roots
It is configured according to demand.
In the present embodiment, switching tube 200 is NMOS tube.Switching tube 200 uses operating temperature range for -55 DEG C~175
DEG C nmos switch tube device.After NMOS tube is fully on, its conducting resistance is small, operating current big, the characteristic such as small of generating heat so that
Operationally power supply delay startup equipment by electric current when be difficult heating, improve the rated current of power supply delay startup equipment so that
Reach the requirement of power supply delay startup equipment low on-resistance and high rated current.In the present embodiment, the first guide pin 601, second
The guide pin 605 of guide pin 603 and the 3rd is cylinder.In other embodiments, the number and shape of guide pin can be carried out according to demand
Setting.Three guide pins are separately positioned at any three knuckles at the lumen openings end of housing 100.Housing 100 is good using thermal diffusivity
Metal material be made.Metal material can be aluminum alloy materials.NMOS tube is lain on the bottom surface of the inner chamber of housing 100, pcb board
300 are arranged on above NMOS tube and are connected and are electrically connected with NMOS tube structure.One end of three guide pins with pcb board 300
Pad be fixedly connected, the other end by the inner chamber of housing 100 opening stretch out.
For sake of convenience, hereinafter alleged " left side " " right side " " on " " under " " preceding " " rear " " length " " width " and accompanying drawing be in itself
Left and right, upper and lower, forward and backward, length and width direction is consistent, but the structure to the present invention does not play restriction effect.
In the present embodiment, as shown in figure 3, the distance of the first guide pin 601 and the 3rd guide pin 605 is E.First guide pin 601
Distance with the second guide pin 603 is D.A length of A of housing 100.A width of B of housing 100.As shown in figure 4, housing 100 is a height of
C.The height of guide pin protrusion housing 100 is G.A diameter of H of guide pin.The a length of F of pin 900.As shown in figure 5, the height of pin 900
For I, the width of pin 900 is J.In the present embodiment, shown in the following form of each parameter of power supply delay startup equipment.
Parameter units in above table are millimeter (mm).As seen from the above table, the power supply delay startup equipment meets army
With the small form factor requirements of equipment small size.In other embodiments, each parameter of power supply delay startup equipment can also be according to circumstances
Set.
A kind of electronic installation that the present invention is provided, including by protection device.Wherein, in addition to described in any of the above-described embodiment
Power supply delay startup equipment.Power supply delay startup equipment is connected with by protection circuit module, with Switching Power Supply startup control system wave
Electric current is gushed, so as to being protected by protection circuit module.Electronic installation can be the military products such as wave filter part either other
Suitable electronic unit.In the electronic installation, power supply delay startup equipment operation is convenient, it is easy to accomplish batch production.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of power supply delay startup equipment, including housing, switching tube, pcb board, some guide pins, resistance and electric capacity；Its feature exists
In,
The housing has the inner chamber of one end open；
The switching tube is used to by controlling its conducting resistance suppress the surge current produced during power on；
The pcb board is provided with power supply soft-start circuit；
The switching tube overlays the bottom of one end relative to openend of the inner chamber；The pcb board overlays described open
Close pipe relative to the one side with the bottom connecting surfaces；The input of the switching tube is defeated with the power supply soft-start circuit
Enter end connection, the output end of the switching tube is connected with the output end of the power supply soft-start circuit；
The resistance and the electric capacity are individually positioned in one side of the pcb board relative to the switching tube joint face；The electricity
One end of resistance is connected with the input of the power supply soft-start circuit, and the control end of the other end and the switching tube is electrically connected with；
Described electric capacity one end is connected with the input of the power supply soft-start circuit, and the other end is connected with the control end of the switching tube；
The resistance and the electric capacity are used for the conducting resistance for controlling the switching tube；
The guide pin includes the first guide pin and the second guide pin；Power supply delay startup electricity on one end and pcb board of first guide pin
The input connection on road, the other end is stretched out to be connected with power input by the opening of the inner chamber；Described second leads
Power supply soft-start circuit on one end and pcb board of pin output end connection, the other end by the inner chamber opening stretch out with
For output signal.
2. power supply delay startup equipment according to claim 1, it is characterised in that also including heat-conducting glue layer；The heat-conducting glue
Layer is located between the switching tube and the intracavity bottom.
3. power supply delay startup equipment according to claim 2, it is characterised in that the heat-conducting glue layer at least covers described open
Close the bottom surface of pipe.
4. power supply delay startup equipment according to claim 1, it is characterised in that the switching tube is NMOS tube.
5. power supply delay startup equipment according to claim 1, it is characterised in that the guide pin also includes the 3rd guide pin；Institute
The reference ground connection of the power supply soft-start circuit on one end and pcb board of the 3rd guide pin is stated, the other end is opened by the inner chamber
Stretch out and be connected for the earth terminal with external power source at mouthful.
6. the power supply delay startup equipment according to any one of claim 1-5, it is characterised in that also including casting glue；Institute
Stating casting glue is used to the pcb board, the switching tube, the resistance and the electric capacity being potted in the inner chamber.
7. power supply delay startup equipment according to claim 6, it is characterised in that the casting glue is A/B glue.
8. power supply delay startup equipment according to claim 1, it is characterised in that the housing is the housing of square structure.
9. power supply delay startup equipment according to claim 8, it is characterised in that the guide pin quantity is three；Three institutes
Guide pin is stated respectively to be located at any three knuckles of the housing.
10. a kind of electronic installation, including by protection circuit module；Characterized in that, also including such as any one of claim 1-9
Described power supply delay startup equipment；The power supply delay startup equipment is electrically connected with described by protection circuit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369567.XA CN107026564B (en) | 2017-05-23 | 2017-05-23 | Electronic device and power supply slow start equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710369567.XA CN107026564B (en) | 2017-05-23 | 2017-05-23 | Electronic device and power supply slow start equipment thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107026564A true CN107026564A (en) | 2017-08-08 |
| CN107026564B CN107026564B (en) | 2023-05-23 |
Family
ID=59529877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710369567.XA Active CN107026564B (en) | 2017-05-23 | 2017-05-23 | Electronic device and power supply slow start equipment thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107026564B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599541A (en) * | 2018-06-28 | 2018-09-28 | 深圳振华富电子有限公司 | Anti-vibration, shock proof starting current inhibit filter module and electronic equipment |
| CN108599542A (en) * | 2018-06-28 | 2018-09-28 | 深圳振华富电子有限公司 | Anti-vibration, shock proof power supply delay startup module and electronic equipment |
| CN108631572A (en) * | 2018-06-28 | 2018-10-09 | 深圳振华富电子有限公司 | Power supply delay startup module and electronic equipment |
| CN108684183A (en) * | 2018-07-03 | 2018-10-19 | 深圳威迈斯电源有限公司 | A kind of mounting structure and installation method of switching tube |
| CN108696112A (en) * | 2018-06-28 | 2018-10-23 | 深圳振华富电子有限公司 | Starting current inhibits filter module and electronic equipment |
| 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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| US20080291709A1 (en) * | 2006-08-11 | 2008-11-27 | Sharp Kabushiki Kaisha | Switching power supply apparatus |
| CN103904620A (en) * | 2012-12-28 | 2014-07-02 | 中兴通讯股份有限公司 | Direct current power supply input reverse irrigation prevention circuit and method |
| CN204392079U (en) * | 2015-01-20 | 2015-06-10 | 深圳振华富电子有限公司 | Power source relaxed starter and electronic equipment |
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2017
- 2017-05-23 CN CN201710369567.XA patent/CN107026564B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080291709A1 (en) * | 2006-08-11 | 2008-11-27 | Sharp Kabushiki Kaisha | Switching power supply apparatus |
| CN103904620A (en) * | 2012-12-28 | 2014-07-02 | 中兴通讯股份有限公司 | Direct current power supply input reverse irrigation prevention circuit and method |
| CN204392079U (en) * | 2015-01-20 | 2015-06-10 | 深圳振华富电子有限公司 | Power source relaxed starter and electronic equipment |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599541A (en) * | 2018-06-28 | 2018-09-28 | 深圳振华富电子有限公司 | Anti-vibration, shock proof starting current inhibit filter module and electronic equipment |
| CN108599542A (en) * | 2018-06-28 | 2018-09-28 | 深圳振华富电子有限公司 | Anti-vibration, shock proof power supply delay startup module and electronic equipment |
| CN108631572A (en) * | 2018-06-28 | 2018-10-09 | 深圳振华富电子有限公司 | Power supply delay startup module and electronic equipment |
| CN108696112A (en) * | 2018-06-28 | 2018-10-23 | 深圳振华富电子有限公司 | Starting current inhibits filter module and electronic equipment |
| CN108684183A (en) * | 2018-07-03 | 2018-10-19 | 深圳威迈斯电源有限公司 | A kind of mounting structure and installation method of switching tube |
| CN108684183B (en) * | 2018-07-03 | 2023-11-07 | 深圳威迈斯新能源股份有限公司 | Switch tube mounting structure and mounting method |
| 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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| Publication number | Publication date |
|---|---|
| CN107026564B (en) | 2023-05-23 |
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