CN213093096U - Integrated switch device for quickly releasing residual electricity in circuit board capacitor - Google Patents
Integrated switch device for quickly releasing residual electricity in circuit board capacitor Download PDFInfo
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- CN213093096U CN213093096U CN202022174216.3U CN202022174216U CN213093096U CN 213093096 U CN213093096 U CN 213093096U CN 202022174216 U CN202022174216 U CN 202022174216U CN 213093096 U CN213093096 U CN 213093096U
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Abstract
The utility model discloses a quick integrative switching device to surplus electricity release in circuit board electric capacity, it relates to the discharge device field. The technical scheme is characterized by comprising a shell, a normally open contact module, a normally closed contact module, a driving piece, a resistor, a first wire harness used for connecting a power supply and a second wire harness used for connecting a circuit board; the first wire harness comprises a first wire and a second wire, the second wire harness comprises a third wire and a fourth wire, the first wire and the third wire are connected to form a first circuit, and the second wire and the fourth wire are connected to form a second circuit; the normally open contact module is connected in series in a first line or a second line, and a discharge line is connected in parallel between the first line and the second line; the normally closed contact module and the circuit are connected in series in the discharge line. The utility model discloses configuration and easy operation facilitate the use, can improve production efficiency, and low cost, economical and practical can effectively practice thrift the cost simultaneously.
Description
Technical Field
The utility model relates to a discharge device field, more specifically say, it relates to a quick integrative switching device to surplus electricity release in circuit board electric capacity.
Background
In the electronic product industry, the electronic products are all provided with capacitance components, and after the products are powered off, large electric energy exists inside the products, if the electric energy is not released in time, the products have large quality and safety risks in production and transportation. For example, in the electric vehicle industry, 470 microfarad capacitors are arranged on a PCBA (printed Circuit Board Assembly) of a controller, residual electricity exists in capacitor components after the power is on or off, and when a positive electrode and a negative electrode of a power supply are lapped on metal objects in production or transportation, the products are easily damaged by ignition, so that quality and safety risks exist.
The device can detect the state of the circuit board through the controller, and automatically control the switch circuit to be switched on after the circuit board is tested and powered off, so that residual charges on the circuit board are released, and the phenomenon that components are damaged due to secondary discharge of residual voltage of a capacitor on the circuit board is avoided.
The discharge device realizes automatic discharge of the circuit board, but has high production cost, especially when the demand is large.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a quick integrative switching device to surplus electricity release in circuit board electric capacity, it has configuration and easy operation to and low cost, economical and practical advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an integrated switching device for quickly releasing residual electricity in a circuit board capacitor, comprising:
a housing;
the normally open contact module and the normally closed contact module are arranged in the shell;
the driving piece protrudes out of the shell and can act on the normally open contact module and the normally closed contact module simultaneously;
a resistor disposed within the housing;
a first wire harness penetrating out of the housing and used for connecting a power supply; and the number of the first and second groups,
a second wire harness penetrating the housing and used for connecting a circuit board;
the first wire harness comprises a first wire and a second wire, the second wire harness comprises a third wire and a fourth wire, the first wire and the third wire are connected to form a first circuit, and the second wire and the fourth wire are connected to form a second circuit; the normally open contact module is connected in series in the first line or the second line, and a discharge line is connected in parallel between the first line and the second line; the normally closed contact module and the circuit are connected in series in the discharge line.
Further, an indicator light connected with the normally closed contact module in series is further arranged in the discharge circuit.
Furthermore, a through hole matched with the indicator light is formed in the shell.
Further, the driver is a hold knob.
Further, the driving member is a self-reset button.
Furthermore, the driving piece is connected with the normally open contact module and the normally closed contact module through the fixing seat.
To sum up, the utility model discloses following beneficial effect has:
1. after the device is connected with a power supply and a circuit board, the residual electricity in a capacitor on the circuit board can be quickly released by pressing twice, and meanwhile, an indicator lamp can visually confirm the discharging effect;
2. the device is simple in configuration and operation, light, portable, convenient to use, capable of improving production efficiency, low in cost, economical and practical, and capable of effectively saving cost.
Drawings
FIG. 1 is a first schematic diagram illustrating an embodiment of an integrated switch device for rapidly releasing residual power in a capacitor of a circuit board;
FIG. 2 is a second schematic structural diagram of an integrated switch device for rapidly releasing the remaining power in the capacitor of the circuit board in the embodiment;
FIG. 3 is a schematic circuit diagram of an integrated switch device for rapidly releasing the residual power in the capacitor of the circuit board in the embodiment.
In the figure: 1. a housing; 21. a fixed seat; 22. a normally open contact module; 23. a normally closed contact module; 24. a self-reset button; 3. an indicator light; 4. a resistance; 5. a first wire harness; 51. a first conductive line; 52. a second conductive line; 6. a second wire harness; 61. a third conductive line; 62. a fourth conductive line; 7. a circuit board; 8. a power source.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Example (b):
an integrated switch device for rapidly releasing residual electricity in a circuit board capacitor, referring to fig. 1 to 3, comprises a shell 1, wherein a normally open contact module 22, a normally closed contact module 23, a resistor 4, an indicator lamp 3 and a driving piece are arranged in the shell 1, the driving piece protrudes out of the shell 1, and a through hole matched with the indicator lamp 3 is arranged on the shell 1; the driving member is connected with the normally open contact module 22 and the normally closed contact module 23 through the fixing seat 21, and the driving member can simultaneously act on the normally open contact module 22 and the normally closed contact module 23.
Referring to fig. 1 to 3, a first wire harness 5 for connecting a power supply 8 and a second wire harness 6 for connecting a circuit board 7 are respectively penetrated out of a housing 1; the first wire harness 5 comprises a first wire 51 and a second wire 52, the second wire harness 6 comprises a third wire 61 and a fourth wire 62, the first wire 51 is connected with the third wire 61 to form a first line, and the second wire 52 is connected with the fourth wire 62 to form a second line; the normally open contact module 22 is connected in series in the first line or the second line, and a discharge line is connected in parallel between the first line and the second line; the normally closed contact module 23, the resistor 4 and the indicator lamp 3 are connected in series in the discharge line.
Referring to fig. 1 and 2, the driving member may be a holding knob or a self-resetting button 24, and the driving member is the self-resetting button 24 in this embodiment, which has an advantage of more convenient operation.
The working principle is as follows:
in operation, the first harness 5 is connected to a power supply 8 (a battery or a dc power converted from an ac power and a rectifier), and the second harness 6 is connected to a circuit board 7; when the self-reset button 24 is pressed, the normally open contact module 22 is in a closed state after the self-reset button 24 is self-locked, the normally closed contact module 23 is in an open state, and a series circuit formed by the power supply 8, the normally open contact module 22 and the circuit board 7 is conducted, so that the capacitor on the circuit board 7 can be normally electrified; the self-reset button 24 is pressed again, the power supply 8 is disconnected after the self-reset button bounces, at the moment, the normally open contact module 22 is in an open state, and the normally closed contact module 23 is in a closed state; after the normally closed contact module 23 is closed, the circuit board 7 is automatically connected in series with the resistor 4 and the indicator lamp 3 to be conducted, so that residual electricity in a capacitor on the circuit board 7 can be quickly released, the indicator lamp 3 can be lightened during discharging, and the discharging effect can be visually confirmed.
Claims (6)
1. The utility model provides a quick integrative switching device to surplus electricity release in circuit board electric capacity which characterized in that: the method comprises the following steps:
a housing;
the normally open contact module and the normally closed contact module are arranged in the shell;
the driving piece protrudes out of the shell and can act on the normally open contact module and the normally closed contact module simultaneously;
a resistor disposed within the housing;
a first wire harness penetrating out of the housing and used for connecting a power supply; and the number of the first and second groups,
a second wire harness penetrating the housing and used for connecting a circuit board;
the first wire harness comprises a first wire and a second wire, the second wire harness comprises a third wire and a fourth wire, the first wire and the third wire are connected to form a first circuit, and the second wire and the fourth wire are connected to form a second circuit; the normally open contact module is connected in series in the first line or the second line, and a discharge line is connected in parallel between the first line and the second line; the normally closed contact module and the circuit are connected in series in the discharge line.
2. The integrated switching device for rapidly releasing the residual electricity in the capacitor of the circuit board according to claim 1, wherein: and an indicator light connected in series with the normally closed contact module is also arranged in the discharge circuit.
3. The integrated switching device for rapidly releasing the residual electricity in the capacitor of the circuit board as claimed in claim 2, wherein: the shell is provided with a through hole matched with the indicator light.
4. The integrated switching device for rapidly releasing the residual electricity in the capacitor of the circuit board according to claim 1, wherein: the driving piece is a holding type knob.
5. The integrated switching device for rapidly releasing the residual electricity in the capacitor of the circuit board according to claim 1, wherein: the driving piece is a self-reset button.
6. The integrated switching device for rapidly releasing the residual electricity in the capacitor of the circuit board according to claim 1, wherein: the driving piece is connected with the normally open contact module and the normally closed contact module through the fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174216.3U CN213093096U (en) | 2020-09-28 | 2020-09-28 | Integrated switch device for quickly releasing residual electricity in circuit board capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174216.3U CN213093096U (en) | 2020-09-28 | 2020-09-28 | Integrated switch device for quickly releasing residual electricity in circuit board capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213093096U true CN213093096U (en) | 2021-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022174216.3U Active CN213093096U (en) | 2020-09-28 | 2020-09-28 | Integrated switch device for quickly releasing residual electricity in circuit board capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213093096U (en) |
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2020
- 2020-09-28 CN CN202022174216.3U patent/CN213093096U/en active Active
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