CN219394426U - Mechanism for conveniently switching surge mode and withstand voltage mode of switching power supply - Google Patents
Mechanism for conveniently switching surge mode and withstand voltage mode of switching power supply Download PDFInfo
- Publication number
- CN219394426U CN219394426U CN202320219401.0U CN202320219401U CN219394426U CN 219394426 U CN219394426 U CN 219394426U CN 202320219401 U CN202320219401 U CN 202320219401U CN 219394426 U CN219394426 U CN 219394426U
- Authority
- CN
- China
- Prior art keywords
- power supply
- pcb
- surge
- mode
- switching
- 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.)
- Active
Links
Classifications
-
- 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
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model discloses a mechanism for conveniently switching a surge mode and a voltage-resistant mode of a switching power supply, which comprises a mechanism body, wherein the mechanism body is fixed at the rear end of the inside of the switching power supply and is connected and disconnected with a shell of the switching power supply through external screwing and dismounting screws; the mechanism body comprises a surge switching PCB and an insulating voltage-resistant PCB; the surge transfer PCB is welded with a bench terminal and provided with a welding wire hole connected with the bench terminal, and the welding wire hole is connected with the power module PCB welded with the piezoresistor through a wire so as to connect the piezoresistor pin with the bench terminal; the insulating pressure-resistant PCB pad is arranged between the bench terminal and the switch power supply shell and is tightly propped against the bench terminal, and a screw through hole used for penetrating a screw screwed on the rear end of the switch power supply shell to enable the screw to be connected with the bench terminal so as to realize connection between the switch power supply shell and the bench terminal is formed in the insulating pressure-resistant PCB pad. The utility model can effectively solve the problems of complex operation, time and labor waste of switching between the surge mode and the voltage-resistant mode of the switching power supply.
Description
Technical Field
The utility model relates to the technical field of surge protection and insulation voltage resistance of a switching power supply, in particular to a mechanism for conveniently switching a surge mode and a voltage resistance mode of the switching power supply.
Background
Currently, for the surge protection and insulation voltage-resistant part of the switching power supply, one end of a piezoresistor is usually connected to a casing (earth) of the switching power supply through a power module PCB board fixing screw. During normal surge test, two pins of the piezoresistor are welded on the PCB of the power module, but when insulation voltage withstand test is performed, one pin of the piezoresistor is pulled out of the PCB of the power module, so that the piezoresistor is disconnected with a circuit, and the two modes are switched to be switched on, so that the case of the switching power supply is required to be welded, the operation is complex, and time and labor are wasted. Therefore, the switching power supply can be conveniently switched between the surge mode and the voltage-resistant mode, and the problem to be solved by the skilled person in the prior art is urgent.
Disclosure of Invention
The utility model aims to provide a mechanism for conveniently switching a surge mode and a voltage withstand mode of a switching power supply, which can realize convenient switching of the surge mode and the voltage withstand mode of the switching power supply.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows.
A mechanism for conveniently switching a surge mode and a withstand voltage mode of a switching power supply comprises a mechanism body which is fixed at the inner rear end of the switching power supply and is connected and disconnected with a shell of the switching power supply through external screwing and disassembling screws; the mechanism body comprises a surge switching PCB and an insulation voltage-resistant PCB;
the surge transfer PCB is welded with a bench terminal and provided with a welding wire hole connected with the bench terminal, and the welding wire hole is connected with the power module PCB welded with the piezoresistor through a wire so that the piezoresistor pin is connected with the bench terminal;
the insulating pressure-resistant PCB pad is arranged between the bench terminal and the switch power supply shell and is tightly propped against the bench terminal, and a screw through hole used for penetrating a screw screwed on the rear end of the switch power supply shell to enable the screw to be connected with the bench terminal so as to realize connection between the switch power supply shell and the bench terminal is formed in the insulating pressure-resistant PCB.
Preferably, first fixing holes for fixing the surge transfer PCB are symmetrically formed in the surge transfer PCB.
Preferably, the surge transfer PCB is symmetrically provided with hollow grooves for enlarging the pressure resistance level among the first fixing holes, the bench terminals and the bonding wire holes.
Preferably, the insulating and voltage-resistant PCB is symmetrically provided with second fixing holes for fixing the insulating and voltage-resistant PCB.
By adopting the technical scheme, the utility model has the following technical progress.
The utility model realizes the connection and disconnection of the mechanism body by fixing the mechanism body at the rear end of the inside of the switching power supply and screwing in and disassembling the screw with the casing of the switching power supply, has the characteristics of simple operation, convenience and quickness, and can effectively solve the problems of complex switching operation of the surge mode and the voltage-resistant mode of the switching power supply and time and labor waste.
Drawings
FIG. 1 is a block diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a surge transfer PCB structure of the present utility model;
fig. 3 is a schematic diagram of an insulation and voltage-resistant PCB structure according to the present utility model.
Wherein: 1. the surge transfer PCB comprises a surge transfer PCB, a first fixing hole, a hollow groove, a bench terminal, a bonding wire hole, an insulating pressure-resistant PCB, a second fixing hole and a screw through hole, wherein the first fixing hole, the hollow groove, the bench terminal, the bonding wire hole, the insulating pressure-resistant PCB and the second fixing hole are respectively formed in the PCB, the insulating pressure-resistant PCB, the second fixing hole and the screw through hole.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
A mechanism for conveniently switching a surge mode and a voltage-resistant mode of a switching power supply is shown in combination with fig. 1, and comprises a mechanism body, wherein the mechanism body is fixed at the rear end of the inside of the switching power supply, and the mechanism body and a shell of the switching power supply are connected and disconnected through external screwing and disassembling screws.
The mechanism body comprises a surge transfer PCB 1 and an insulating pressure-resistant PCB 2, wherein a bench terminal 13 is welded on the surge transfer PCB 1, the bench terminal 13 can be a U-shaped K14 bench terminal, the mechanism body can be welded on the upper side of the middle of the surge transfer PCB 1, and the surge transfer PCB 1 and the insulating pressure-resistant PCB 2 are connected in a manner of tightly propping the insulating pressure-resistant PCB 2 through the bench terminal 13.
As shown in fig. 2, the surge-transferring PCB 1 is provided with a bonding wire hole 14, and the bonding wire hole 14 may be specifically formed on the lower side of the middle of the surge-transferring PCB 1 and located below the bench terminal 13. The wire holes 14 are connected with the bench terminals 13, and the wire holes 14 are connected with a power module PCB board through wires, and piezoresistors are welded on the power module PCB board connection, so that the piezoresistor pins are connected with the bench terminals 13.
The first fixing holes 11 are symmetrically formed in the surge-transferring PCB 1, two first fixing holes 11 can be formed in the first fixing holes 11, the two first fixing holes 11 are respectively located in the middle of the left end and the right end of the surge-transferring PCB 1, and the first fixing holes 11 are used for fixing the surge-transferring PCB 1 through screws so that the surge-transferring PCB 1 is fixed at the rear end of the switch power supply. The surge transfer PCB 1 is also symmetrically provided with hollow grooves 12, in particular two hollow grooves 12 can be formed, and the two hollow grooves 12 are respectively positioned in the middle of the left end and the right end of the surge transfer PCB 1 and positioned at the inner side of the first fixing hole 11; the hollow groove 12 may have a waist shape for increasing the pressure resistance between the first fixing hole 11, the bench terminal 13 and the bonding wire hole 14.
The insulating and voltage-resistant PCB 2 has no electrical characteristic, and is arranged between the bench terminal 13 and the switch power supply shell in a cushioning manner to play an insulating role. As shown in fig. 3, the insulating and voltage-resistant PCB 2 is provided with a screw via hole 22, and the screw via hole 22 is specifically formed on the upper side of the middle of the insulating and voltage-resistant PCB 2 and is opposite to the bench terminal 13; the screw through hole 22 is used for penetrating a screw screwed on from the rear end of the switch power supply shell to enable the screw to be connected with the bench terminal 13 so as to achieve connection between the switch power supply shell and the bench terminal 13, and further achieve connection between the switch power supply shell and the piezoresistor pin through the bench terminal 13, so that surge test is conveniently conducted on the switch power supply; when the insulation voltage withstand test is required to be carried out on the switching power supply, the screw is detached from the rear end of the shell of the switching power supply so as to be disconnected with the bench terminal 13.
The insulating and voltage-resistant PCB 2 is also symmetrically provided with second fixing holes 21, specifically two second fixing holes 21 can be formed, the two second fixing holes 21 are respectively located in the middle of the left end and the right end of the insulating and voltage-resistant PCB 2, and the second fixing holes 21 are used for fixing the insulating and voltage-resistant PCB 2 through screws so that the insulating and voltage-resistant PCB 2 is fixed at the rear end of the inside of the switching power supply.
When the utility model is used, the switch power supply is fixed at the rear end of the inside of the switch power supply, and the switch power supply shell (the ground) is connected and disconnected through external screwing in and disassembling screws, so that the switch power supply has the characteristics of simple operation, convenience and rapidness, and can effectively solve the problems of complex operation, time and labor waste of switching between a surge mode and a voltage-resistant mode of the switch power supply.
Claims (4)
1. A mechanism for conveniently switching a surge mode and a withstand voltage mode of a switching power supply is characterized in that: the mechanism comprises a mechanism body which is fixed at the rear end inside the switching power supply and is connected and disconnected with the shell of the switching power supply through external screwing in and dismounting screws; the mechanism body comprises a surge transfer PCB (1) and an insulation voltage-resistant PCB (2);
the surge transfer PCB (1) is welded with a bench terminal (13) and provided with a bonding wire hole (14) connected with the bench terminal (13), and the bonding wire hole (14) is connected with the power module PCB welded with the piezoresistor through a wire so that the piezoresistor pin is connected with the bench terminal (13);
the insulating and pressure-resistant PCB (2) is arranged between the bench terminal (13) and the switch power supply shell in a cushioning mode and is tightly connected with the bench terminal (13), and a screw through hole (22) used for penetrating a screw screwed on the rear end of the switch power supply shell to enable the screw to be connected with the bench terminal (13) so as to achieve connection between the switch power supply shell and the bench terminal (13) is formed in the insulating and pressure-resistant PCB (2).
2. The mechanism for conveniently switching between a surge mode and a withstand voltage mode of a switching power supply according to claim 1, wherein: the surge transfer PCB (1) is symmetrically provided with first fixing holes (11) for fixing the surge transfer PCB (1).
3. The mechanism for conveniently switching between a surge mode and a withstand voltage mode of a switching power supply according to claim 1, wherein: the surge transfer PCB (1) is symmetrically provided with hollowed-out grooves (12) for enlarging the pressure-resistant grade among the first fixing holes (11), the bench terminals (13) and the bonding wire holes (14).
4. The mechanism for conveniently switching between a surge mode and a withstand voltage mode of a switching power supply according to claim 1, wherein: second fixing holes (21) for fixing the insulating and voltage-resistant PCB (2) are symmetrically formed in the insulating and voltage-resistant PCB (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320219401.0U CN219394426U (en) | 2023-02-15 | 2023-02-15 | Mechanism for conveniently switching surge mode and withstand voltage mode of switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320219401.0U CN219394426U (en) | 2023-02-15 | 2023-02-15 | Mechanism for conveniently switching surge mode and withstand voltage mode of switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219394426U true CN219394426U (en) | 2023-07-21 |
Family
ID=87171659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320219401.0U Active CN219394426U (en) | 2023-02-15 | 2023-02-15 | Mechanism for conveniently switching surge mode and withstand voltage mode of switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219394426U (en) |
-
2023
- 2023-02-15 CN CN202320219401.0U patent/CN219394426U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112327139A (en) | Chip testing device | |
| CN219394426U (en) | Mechanism for conveniently switching surge mode and withstand voltage mode of switching power supply | |
| CN209028159U (en) | Battery access state detection circuit and connector | |
| CN201112705Y (en) | Plug-in type connecting terminal | |
| CN205038319U (en) | Sampling structure of group battery | |
| CN201590532U (en) | Power connector | |
| CN201130729Y (en) | Electric connector assembly | |
| CN206558454U (en) | A kind of RCCB can modularization installing/dismounting back part structure | |
| CN208028260U (en) | USB female seat terminal anti-turning structure | |
| CN101425684B (en) | Modular lightning protection device for electric power easy for replacement | |
| CN108020738B (en) | Auxiliary control device for hard pressing plate calibration of transformer substation | |
| CN201303057Y (en) | Electrical connector | |
| CN219936959U (en) | Plastic case circuit breaker with secondary line isolation | |
| CN213243019U (en) | Hot-pluggable connector for large-current transmission | |
| CN201060828Y (en) | Electric leakage circuit breaker | |
| CN210272886U (en) | External safety device of cable | |
| CN220323408U (en) | Three-phase uninterrupted meter replacing device | |
| CN213210262U (en) | Single-phase cost control intelligent electric energy meter of integral type hard connection | |
| CN214753583U (en) | Intelligent circuit breaker capable of simultaneously measuring current value and detecting large current characteristic | |
| CN212809195U (en) | Switching board card, mainboard and terminal equipment | |
| CN214845614U (en) | Chip testing device | |
| CN209982324U (en) | Frequency converter | |
| CN213124331U (en) | Rear wiring device for circuit breaker board | |
| CN215834740U (en) | General type terminal platform | |
| CN218770155U (en) | LED display module and power signal sharing plug connector thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |