CN218634374U

CN218634374U - ESD protection circuit board and electronic equipment

Info

Publication number: CN218634374U
Application number: CN202221862296.4U
Authority: CN
Inventors: 纪永波
Original assignee: Shanghai Wingtech Electronic Technology Co Ltd
Current assignee: Shanghai Wingtech Electronic Technology Co Ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-03-14
Anticipated expiration: 2032-07-19

Abstract

The invention relates to an ESD protection circuit board and electronic equipment, wherein the ESD protection circuit board comprises a circuit board main body, an ESD protection component and two connector groups, wherein the circuit board main body is provided with at least two circuits, and the ESD protection component is arranged on at least one circuit; the joint group comprises input plugs and output plugs, the joint group is arranged in one-to-one correspondence with the circuit, the input plugs of the joint group are electrically connected with the input ends of the circuit, and the output plugs of the joint group are electrically connected with the output ends of the circuit; the input plug and the output plug are used for being connected with the end socket of the external wiring in an inserting mode, pins are arranged in the input plug and the output plug, the circuit is electrically connected with the end socket of the external wiring through the pins, the end socket of the external wiring is electrically connected with the ESD protection circuit board in an inserting mode, the ESD protection circuit board can be reused, and the cost in the production test process is reduced.

Description

ESD protection circuit board and electronic equipment

Technical Field

The present disclosure relates to the field of production testing technologies for electronic devices, and in particular, to an ESD protection circuit board and an electronic device.

Background

In the 5G era, the requirements of production tests of high-power products such as electronic devices on the capability of an ESD (Electro Static discharge, ESD for short) protection circuit board are continuously increased, a pad is reserved on a traditional ESD protection circuit board, and an operator welds a wire to connect a circuit, thereby realizing the production test function. However, this method cannot make the ESD protection circuit board reusable, and it is difficult to meet the requirement of reducing the cost.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems or at least partially solve the technical problems, the present disclosure provides an ESD protection circuit board and an electronic device.

In a first aspect, the present disclosure provides an ESD protection circuit board, which includes a circuit board main body, an ESD protection component, and two connector sets, where at least two circuits are disposed on the circuit board main body, and the ESD protection component is disposed on at least one of the circuits;

the connector group comprises input plugs and output plugs, the connector group and the circuit are arranged in a one-to-one correspondence mode, the input plugs of the connector group are electrically connected with the input ends of the circuit, and the output plugs of the connector group are electrically connected with the output ends of the circuit;

the input plug and the output plug are used for being connected with an end socket of an external wiring in an inserting mode, pins are arranged in the input plug and the output plug, and the circuit is electrically connected with the end socket of the external wiring through the pins.

Optionally, a plurality of PIN PINs with the same number are arranged in the input plug and the output plug, and the PIN PINs form PINs in the input plug and the output plug.

Optionally, one of the circuits is a signal transmission circuit, one of the connector groups is a first connector group, an input plug of the first connector group is a first input plug, an output plug of the first connector group is a first output plug, and the first input plug and the first output plug are electrically connected to the input end of the signal transmission circuit and the output end of the signal transmission circuit, respectively.

Optionally, the number of the PIN PINs in the first input plug and the first output plug is respectively 6.

Optionally, one of the connector groups is a second connector group, the input plug of the second connector group is a second input plug, the output plug of the second connector group is a second output plug, and the number of the PIN PINs in the second input plug and the number of the PIN PINs in the second output plug are 12 to 30 respectively.

Optionally, one of the circuits is a power line, a part of the PIN PINs in the second input plug is electrically connected to an input end of the power line, and a part of the PIN PINs in the second output plug is electrically connected to an output end of the power line.

Optionally, the input plug and the output plug both include an insertion shell, the insertion shell is disposed on the surface of the circuit board main body, the insertion shell surrounds the circuit board main body to form an insertion groove with an open top, and the plurality of PIN PINs are disposed in the insertion groove.

Optionally, the ESD protection circuit board further includes at least two capacitors, and at least two of the capacitors are separately disposed on at least two of the circuits.

Optionally, the ESD protection component includes an OVP chip or a TVS diode.

In a second aspect, the present disclosure also provides an electronic device including the ESD protection circuit board as described above.

Compared with the prior art, the technical scheme provided by the disclosure has the following advantages:

the utility model provides an ESD protection circuit board and electronic equipment is used for carrying out the electricity with the circuit in the circuit board main part through set up the joint group in the circuit board main part and is connected, thereby input plug and the output plug through the joint group form the input and the output of circuit, because input plug and output plug can with the end plug-in connection of outside wiring, and its inside is provided with the pin that can realize the electricity with the end of outside joint and is connected, the end that has made outside wiring is connected with this ESD protection circuit board through the mode of pegging graft electricity, compare in the traditional mode that leads to being connected fixed back unable dismantlement through set up the pad on the circuit board with outside wiring welded connection, accessible plug realizes that circuit board and outside wiring are disconnected again, thereby make ESD protection circuit board multiplex, the cost in the production test process has been reduced.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of an ESD protection circuit board according to an embodiment of the disclosure;

fig. 2 is a schematic structural diagram of an output plug of the ESD protection circuit board according to the embodiment of the disclosure.

The circuit board comprises a circuit board main body, a first insulating layer and a second insulating layer, wherein 1, the circuit board main body; 21. a first joint group; 211. a first input plug; 212. A first output plug; 22. a second joint group; 221. a second input plug; 222. a second output plug; 20. a PIN needle; 23. a plug-in housing; 3. and (4) a capacitor.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced in other ways than those described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

In the 5G era, the requirements of production tests of high-power products such as electronic equipment and the like on the capacity of an ESD protective circuit board are continuously improved, a bonding pad is reserved on the traditional ESD protective circuit board, and an operator can connect a circuit by welding a lead to realize the production test function. However, this method cannot make the ESD protection circuit board reusable, and it is difficult to meet the requirement of reducing the cost.

To the above defect, the embodiment of the utility model provides a ESD protection circuit board and electronic equipment, it can realize the detachable joint through the setting, has solved the unable multiplexing problem of traditional ESD protection circuit board. Specifically, the specific structural implementation of the ESD protection circuit board and the electronic device is described in the following embodiments.

Example one

As shown in fig. 1 and fig. 2, the present embodiment provides an ESD protection circuit board, which includes a circuit board main body 1, an ESD protection component, and two connector sets, where at least two circuits are disposed on the circuit board main body 1, and the ESD protection component is disposed on at least one circuit.

ESD, referred to as Electro Static discharge ("ESD"), is a device commonly referred to as ESD, herein referred to as electrostatic impeder, for electrostatic protection. The ESD protection component in this embodiment is an electronic component disposed on the PCB circuit for performing electrostatic discharge protection. In PCB circuits, ESD often causes electronic devices to malfunction or malfunction, and in severe cases even breaks down integrated circuits and other delicate electronic components. The ESD protection component can reduce impedance suddenly when instantaneous high-energy impact exists on a signal circuit, and absorb a large current to clamp the voltage at two ends of the ESD protection component on a preset value, so that the integrated chip is prevented from being damaged.

The joint group comprises an input plug and an output plug, the joint group and the circuit are arranged in a one-to-one correspondence mode, the input plug of the joint group is electrically connected with the input end of the circuit, and the output plug of the joint group is electrically connected with the output end of the circuit. The circuit board main part 1 is a Printed Circuit Board (PCB), the circuit is arranged on the circuit board main part 1, and the input plug and the output plug are arranged at the positions corresponding to the input end and the output end of the circuit.

The input plug and the output plug are used for being connected with the end socket of an external connection wire in an inserting mode, pins are arranged in the input plug and the output plug, and the circuit is electrically connected with the end socket of the external connection wire through the pins.

During specific implementation, the plug matched with the input plug and the output plug is arranged on the end head of the connecting wire which is externally used for being electrically connected with the ESD protection circuit board in the embodiment, the plug is also provided with the pin, and the pin on the external connecting end head can be in contact with the pins on the input plug and the output plug after the plug on the connecting end head is plugged with the input plug and the output plug, so that the circuit board is electrically connected with the external equipment.

The ESD protection circuit board that this embodiment provided is used for carrying out the electricity with the circuit on the circuit board main part 1 through set up the joint group on circuit board main part 1 and is connected, thereby input and output through the input plug and the output plug formation circuit of joint group, because input plug and output plug can with the end plug-in connection of external connection, and its inside is provided with the pin that can realize the electricity with the end of external connection and connect, the end that has realized making external connection is connected through the mode of pegging graft with the ESD protection circuit board of this embodiment electricity, compare in the traditional mode that leads to being connected fixed unable dismantlement after fixed through set up the pad on the circuit board and coming with external connection welded connection, accessible plug realizes that circuit board and external connection break off again, thereby make ESD protection circuit board multiplex, the cost in the production test process has been reduced.

Specifically, the ESD Protection component may be an OVP (Over Voltage Protection, OVP for short) chip or a TVS (Transient Voltage compressor, TVS for short) diode. In other implementations, other ESD protection schemes may be selected.

A plurality of PIN PINs 20 with the same number are arranged in the input plug and the output plug, and the PIN PINs 20 form PINs in the input plug and the output plug. Specifically, the input plug and the output plug each include a plug shell 23, the plug shell 23 is disposed on the surface of the circuit board main body 1, the plug shell 23 surrounds a plug slot forming an open top on the circuit board main body 1, and the plurality of PIN PINs 20 are disposed in the plug slot, which can be specifically seen from the structural diagram of the output plug shown in fig. 2, and the structural configuration of the input plug is the same as that of fig. 2.

Through the setting of grafting shell 23 and PIN needle 20, make input plug and output plug form a public first structure of pegging graft, correspondingly, the plug that sets up on the wiring of external equipment is female first structure to carry out good adaptation with PIN needle 20, guarantee the effect of electricity connection. In other embodiments, the PIN PINs 20 may not be formed, and other combination structures of electrical connection may be selected for different installation environments, for example, a connector metal sheet capable of performing butt contact may be provided, and the electrical connection effect may also be achieved.

The plug housing 23 may be provided as a rectangular parallelepiped housing having an opening at the top for forming a socket for connecting the input plug and the output plug with the connector of the external wiring. The socket shell 23 can be made of nylon, and the PIN needle 20 can be made of phosphor bronze or tin plating. Of course, in other embodiments, the shape of the plug-in housing 23 and the materials of the plug-in housing 23 and the PIN 20 may be adjusted according to actual conditions.

In this embodiment, a signal transmission circuit is adopted, one circuit is provided, one connector group is the first connector group 21, the input plug of the first connector group 21 is the first input plug 211, the output plug of the first connector group 21 is the first output plug 212, and the first input plug 211 and the first output plug 212 are respectively and electrically connected with the input end of the signal transmission circuit and the output end of the signal transmission circuit.

As a circuit board structure, in order to ensure stable transmission process of the signal transmission circuit which plays a major role, a special connector set may be provided for the signal transmission circuit for electrical connection with an external device. When the ESD protection circuit board is applied to electronic equipment, the number of the PIN PINs 20 in the first input plug 211 and the first output plug 212 can be respectively 6, and the 6 PIN PINs 20 are arranged, so that the highest current passing capacity of 6A of the signal transmission circuit can be realized, the higher current requirement is met, and the ESD protection circuit board can be easily applied to the electronic equipment with higher power.

The other connector group corresponds to the second connector group 22, the input plug of the second connector group 22 is the second input plug 221, the output plug of the second connector group 22 is the second output plug 222, and the number of the PIN PINs 20 in the second input plug 221 and the second output plug 222 is 12-30 respectively. The second input plug 221 and the second output plug 222 are provided with 12-30 PINs 20, so that butt connection with different circuits can be realized, and meanwhile, part of the PINs 20 can be reserved, so that the requirement of additionally arranging external equipment in the later stage of a circuit board is met.

In the ESD protection circuit board of this embodiment, one circuit included therein is a power line, a part of PIN PINs 20 in the second input plug 221 is electrically connected to an input end of the power line, and a part of PIN PINs 20 in the second output plug 222 is electrically connected to an output end of the power line.

In some embodiments, the ESD protection circuit board further comprises at least two capacitors 3, and the at least two capacitors 3 are respectively disposed on at least two circuits. In the production test process of the ESD protection circuit board, peak current or overload current far larger than steady-state current can be generated instantly when a power supply is switched on or under the abnormal condition of a circuit, the circuit is likely to be burnt out instantly when the circuit is in surge, such as breakdown of a PN junction capacitor 3, burning of a resistor and the like, the phenomenon is called as surge, and the capacitor 3 is arranged on the circuit of the ESD protection circuit board, so that the effect of preventing the surge can be achieved. In this embodiment, the capacitor 3 may adopt 25V and 2200 μ F, and of course, in other embodiments, the specification of the capacitor 3 may be flexibly adjusted according to actual situations.

Example two

The embodiment provides an electronic device, which comprises the ESD protection circuit board.

The ESD protection circuit board of this embodiment sets up inside electronic equipment for be connected with the partial electronic components in the electronic equipment, for example power connection, screen wiring or audio frequency wiring etc. when needs retrieve the ESD protection circuit board in order to realize multiplexing, extract the joint of being connected with other electronic components, can retrieve the ESD protection circuit board, protected joint group not destroyed simultaneously. In addition, the ESD protection circuit board can be tested and used for many times through plugging in and plugging out in the test process.

Specifically, the specific implementation principle of the ESD protection circuit board included in the electronic device in this embodiment is the same as that of the ESD protection circuit board provided in the first embodiment, and the same or similar technical effects can be brought.

The electronic device provided in this embodiment may be a mobile phone, a tablet computer, or the like, but the present embodiment is not limited thereto, and any electronic device having the ESD protection circuit board is within the protection scope of this embodiment.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The ESD protection circuit board is characterized by comprising a circuit board main body (1), an ESD protection component and two joint groups, wherein at least two circuits are arranged on the circuit board main body (1), and the ESD protection component is arranged on at least one circuit;

2. The ESD protection circuit board of claim 1, wherein a plurality of PIN PINs (20) are provided in the input plug and the output plug in equal numbers, the plurality of PIN PINs (20) forming PINs in the input plug and the output plug.

3. The ESD protection circuit board of claim 2, wherein one of the circuits is a signal transmission circuit, one of the connector groups is a first connector group (21), an input plug of the first connector group (21) is a first input plug (211), an output plug of the first connector group (21) is a first output plug (212), and the first input plug (211) and the first output plug (212) are electrically connected to an input terminal of the signal transmission circuit and an output terminal of the signal transmission circuit, respectively.

4. The ESD protection circuit board according to claim 3, wherein the number of the PIN PINs (20) in the first input plug (211) and the first output plug (212) is 6, respectively.

5. The ESD protection circuit board of claim 2, wherein one of the connector groups is a second connector group (22), the input plug of the second connector group (22) is a second input plug (221), the output plug of the second connector group (22) is a second output plug (222), and the number of the PIN PINs (20) in the second input plug (221) and the second output plug (222) is 12-30 respectively.

6. The ESD protection circuit board according to claim 5, wherein one of the circuits is a power line, a portion of the PIN PINs (20) in the second input plug (221) is electrically connected to an input terminal of the power line, and a portion of the PIN PINs (20) in the second output plug (222) is electrically connected to an output terminal of the power line.

7. The ESD protection circuit board of claim 2, wherein each of the input plug and the output plug comprises a plug housing (23), the plug housing (23) is disposed on a surface of the circuit board main body (1), the plug housing (23) surrounds a plug slot formed on the circuit board main body (1) and forming a top opening, and the PIN PINs (20) are disposed in the plug slot.

8. The ESD protection circuit board according to any of claims 1-7, characterized in that the ESD protection circuit board further comprises at least two capacitors (3), at least two of the capacitors (3) being arranged on at least two of the circuits.

9. The ESD protection circuit board of any of claims 1-7, wherein the ESD protection component comprises an OVP chip or a TVS diode.

10. An electronic device comprising the ESD protection circuit board of any one of claims 1-9.