CN218351860U - Anti-surge connecting device and charging equipment - Google Patents
Anti-surge connecting device and charging equipment Download PDFInfo
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- CN218351860U CN218351860U CN202222833433.8U CN202222833433U CN218351860U CN 218351860 U CN218351860 U CN 218351860U CN 202222833433 U CN202222833433 U CN 202222833433U CN 218351860 U CN218351860 U CN 218351860U
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Abstract
The utility model discloses a prevent surge connecting device and battery charging outfit should prevent surge connecting device include: the pin assembly comprises at least one pin body, the socket assembly comprises at least one slot, and the pin body is connected with the socket assembly in a pluggable mode through the slot; at least one of the pin body and the slot is provided with a resistive part, and the resistive part is arranged on an initial contact surface between the pin body and the slot. The utility model discloses a set up hindering nature portion, in the twinkling of an eye of contact pin subassembly and socket subassembly plug connection, only hindering nature portion contact effectively reduces surge current, prevents that the spark from producing, low in production cost avoids heat to produce simultaneously and damages connecting device, effectively protects the power and the consumer at connecting device both ends.
Description
Technical Field
The utility model relates to a prevent surge control technical field, especially relate to a prevent surge connecting device and battery charging outfit.
Background
The charging device is a device electrically connected to an electric load or an energy storage element and supplying electric energy thereto. At the moment when the power supply is connected with the electric load, the voltage difference is large, surge current is easy to generate, even ignition is performed, the service lives of the electric load and the energy storage element are damaged, and the performance of equipment is declined, so that the anti-surge design is needed.
The existing anti-surge design usually adopts the following modes: the anti-surge circuit achieves the purpose of reducing surge by depending on the amplification region of the MOS tube; an anti-surge design reduces surge current by connecting a thermistor or a resistor in parallel with a relay or a MOS (metal oxide semiconductor) tube, and has the following problems: the surge prevention is realized by adding a relay or a resistor, so that the production cost of the product is obviously increased; when the MOS tube works in an amplification region, the circuit loss is large, and the service life of circuit components can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a prevent surge connecting device and battery charging outfit through at the integrated hindering nature portion of connector, solves current prevent the problem that the surge design cost is high, the loss is big, prevents that the surge is effectual.
According to an aspect of the utility model, a prevent surge connecting device is provided, include: the pin assembly comprises at least one pin body, the socket assembly comprises at least one slot, and the pin body is connected with the socket assembly in a pluggable mode through the slot; at least one of the pin body and the slot is provided with a resistive part, and the resistive part is arranged on an initial contact surface between the pin body and the slot.
Optionally, the pin body includes: the first conductive part is used for realizing the electrical connection between the contact pin body and the slot; the resistive portion is fixed to an end portion of the first conductive portion facing the slot.
Optionally, the first conductive part is provided with a hollow structure, and the resistive part is clamped and fixed to one side of the slot, which faces the hollow structure.
Optionally, the first conductive part is provided with a hollow structure, an elastic connecting piece is arranged inside a cavity of the hollow structure, a first end of the elastic connecting piece is fixedly connected with the first conductive part, and a second end of the elastic connecting piece is fixedly connected with the resistive part; the minimum outer diameter of the hollow structure is larger than or equal to the maximum outer diameter of the resistance part.
Optionally, the pin body includes: the second conductive parts are sequentially arranged at intervals along the extension direction of the contact pin body towards the slot, and the second conductive parts are used for realizing the electrical connection between the contact pin body and the slot; the resistive part is fixed between any two second conductive parts, or the resistive part is fixed at one end part of the contact pin body facing the slot.
Optionally, the resistance value of the resistive portion sequentially increases in an extending direction along the pin body toward the socket.
Optionally, the resistive part is embedded in the inner wall of the slot; the length of the resistive part is smaller than that of the pin body.
Optionally, the resistive portion is an annular structure formed by arranging conductive materials and resistive materials at intervals.
Optionally, the resistive portion includes any one of: an alloy resistive portion or a ceramic resistive portion; the resistance value of the alloy resistive portion is greater than or equal to 1 ohm.
According to the utility model discloses an on the other hand provides a battery charging outfit, include: the surge-proof connecting device.
The utility model discloses technical scheme sets up hindering nature portion through arbitrary end in contact pin or slot, in the twinkling of an eye of contact pin subassembly and socket subassembly plug connection, only hindering nature portion contact has solved current anti-surge design cost height, the big problem of circuit loss, effectively reduces surge current, prevents that the spark from producing, and low in production cost avoids the heat to produce simultaneously and damages connecting device, effectively protects the power and the consumer at connecting device both ends.
It should be understood that the statements herein are not intended to identify key or critical features of any embodiment of the present invention, nor are they intended to limit the scope of the invention. Other features of the present invention will become apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.
Fig. 1 is a schematic structural view of an anti-surge connection device provided by the present invention;
fig. 2 is a schematic structural diagram of a pin assembly according to the present invention;
fig. 3 is a schematic structural diagram of another pin assembly provided by the present invention;
fig. 4 is a schematic structural view of another pin assembly provided by the present invention;
fig. 5 is a schematic structural diagram of a socket assembly provided by the present invention;
fig. 6 is a schematic structural diagram of another socket assembly provided by the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic structural diagram of an anti-surge connection device provided in the present invention, and this embodiment is applicable to a power supply, an adapter, a charger or other charging-related devices using a connector.
As shown in fig. 1, the surge preventing connection device includes: the pin assembly 100 and the socket assembly 200 are respectively connected with a power supply and electric equipment. The pin assembly 100 includes at least one pin body 110, the socket assembly 200 includes at least one slot 210, and the pin body 110 is connected with the socket assembly 200 via the slot 210 in a pluggable manner. The conductive part of the pin body 110 and the conductive part of the slot 210 are made of pure copper or copper-plated material, so that the pin body 110 and the slot 210 are electrically connected, and the conductive part of the pin body 110 and the conductive part of the slot 210 are electrically connected to communicate with a charging loop between a power supply and electric equipment.
As shown in fig. 1, at least one of the pin body 110 and the socket 210 is provided with a resistive portion 10, and the resistive portion 10 is disposed at an initial contact surface between the pin body 110 and the socket 210, which is a contact surface at the moment (usually lasting 10 ms to 100 ms) when the pin body 110 is plugged into the socket 210. The resistance value of the resistive part 10 is large, and at the moment when the pin body 110 is connected with the slot 210, the surge current is effectively suppressed under the resistance value of the resistive part 10; after the pin body 110 and the socket 210 are connected, the conductive part of the pin body 110 and the conductive part of the socket 210 are electrically connected, and the resistive part 10 is bypassed.
In some embodiments, the pin body 110 includes a positive pin body and a negative pin body, the slot 210 includes a positive slot and a negative slot, the positive pin body and the positive slot are used for electrically connecting the positive wiring branch, the negative pin body and the negative slot are used for electrically connecting the negative wiring branch, and the resistive portion 10 may be disposed on any branch or two branches of the positive wiring branch and the negative wiring branch, which is not limited thereto.
Specifically, referring to fig. 1, the resistive portion 10 may be disposed on an initial contact surface of any branch between the pin body 110 and the socket 210, and at the moment when the pin body 110 is inserted into the socket 210, any branch of the charging circuit is connected through the resistive portion 10, and since the resistance value of the resistive portion 10 is large, the magnitude of the decrease of the inrush current is close to a multiple of the resistance value of the resistive portion 10. Through set up resistive part at arbitrary end in contact pin or slot, in the twinkling of an eye of contact pin subassembly and socket subassembly plug-in connection, only resistive part contact, increase contact surface resistance value is in order to restrain surge current, has solved current anti-surge design cost height, the big problem of circuit loss, effectively reduces surge current, prevents that the spark from producing, and low in production cost, avoids the heat to produce simultaneously and damages connecting device, effectively protects the power and the consumer at connecting device both ends.
In some embodiments, resistive portion 10 includes any of: an alloy resistive portion or a ceramic resistive portion, wherein a resistance value of the alloy resistive portion is greater than or equal to 1 ohm.
Specifically, the resistive portion 10 may be made of an alloy material or a ceramic material, or another resistive material, and the resistance value of the resistive portion 10 may be set to any value between 1 ohm and 100 ohm by selecting an alloy material or an insulating material with a matched resistance value. The surge current can be effectively controlled by adjusting the material of the resistive part, and the surge suppression effect is improved.
Optionally, fig. 2 is a schematic structural diagram of a pin inserting assembly provided by the present invention.
As shown in fig. 2, the pin body 110 includes: the first conductive part 110A, the first conductive part 110A is used for realizing the electrical connection between the pin body 110 and the socket 210; resistive portion 10 is fixed to an end portion of first conductive portion 110A facing slot 210.
For example, as shown in fig. 1 and fig. 2, the resistive portion 10 may be fixed to an end portion of the pin body 110 facing the slot 210, and at the moment when the pin body 110 is plugged into the slot 210, the resistive portion 10 contacts a conductive portion in the slot 210, so as to effectively reduce the surge current; after the pin body 110 and the socket 210 are connected, the first conductive part 110A contacts the conductive part in the socket 210, and the resistive part 10 is bypassed. Through set up resistive material at contact pin tip, reduce surge current, simple structure, the production degree of difficulty and low in production cost.
As shown in fig. 2, the first conductive part 110A has a hollow structure, the resistive part 10 is fixed to the hollow structure by clipping, and the side facing the slot 210 first contacts the slot 210 during the plug connection.
Specifically, the inner diameter of the hollow structure of the first conductive part 110A is matched with the size of the clamping structure of the resistive part 10, and the assembly process is simplified by clamping and fixing.
The resistive portion 10 may be fixedly mounted on the initial contact surface between the pin assembly 100 and the socket 210 by welding or bonding, but the mounting manner is not limited.
Fig. 3 is a schematic structural diagram of another pin assembly provided by the present invention.
As shown in fig. 3, the first conductive part 110A has a hollow structure, an elastic connecting member 20 is disposed inside a cavity of the hollow structure, a first end of the elastic connecting member 20 is fixedly connected to the first conductive part 110A, and a second end of the elastic connecting member 20 is fixedly connected to the resistive part 10; the minimum outer diameter dimension of the hollow structure is greater than or equal to the maximum outer diameter dimension of resistive portion 10.
Specifically, the elastic connection member 20 may be a spring, the resistance value of the elastic connection member 20 is higher than that of the metal conductive portion, at the moment the pin body 110 is inserted into the slot 210, the resistive portion 10 contacts the conductive portion in the slot 210, the elastic connection member 20 is compressed by a force along with the insertion, the resistive portion 10 gradually retracts into the hollow structure of the first conductive portion 110A, after the surge current transition is completed, the resistive portion 10 completely retracts into the hollow structure of the first conductive portion 110A, and the first conductive portion 110A reliably contacts the conductive portion in the slot 210. Through setting up the spring structure, can realize the surge suppression in the twinkling of an eye that the connector is pegged graft, avoid resistive material to insert the loss that the connector switched on the return circuit and caused continuously simultaneously.
Fig. 4 is a schematic structural diagram of another pin assembly provided by the present invention.
As shown in fig. 4, the pin body 110 includes: the plurality of second conductive parts 110B are sequentially arranged at intervals along the extending direction X of the pin body 110 towards the slot 210, and the second conductive parts 110B are used for realizing the electrical connection between the pin body 110 and the slot 210; the resistive portion 10 is fixed between any two second conductive portions 110B, or the resistive portion 10 is fixed at an end portion of the pin body 110 facing the socket 210.
As shown in fig. 4, an annular groove may be formed on the surface of the conductive pillar of the pin body 110, and the resistive portion 10 is sleeved in the annular groove on the surface of the conductive pillar by using an annular structure, so that the pin body 110 forms a zebra stripe structure in which the second conductive portions 110B and the resistive portion 10 are sequentially arranged at intervals, and at the moment of inserting the pin body 110 into the slot 210, the zebra stripe structure contacts with the conductive portions in the slot 210, so as to increase the resistance value of the contact surface and effectively reduce the surge current.
In some embodiments, the resistance value of the resistive portion 10 sequentially increases in the extending direction along the pin body 110 toward the socket 210.
Exemplarily, as shown in fig. 4, in the extending direction X along the pin body 110 toward the socket 210, three resistive portions 10 are sequentially disposed, and the three resistive portions 10 are defined as: first resistive portion 10I, second resistive portion 10 II and third resistive portion 10 III, can set up the resistance value of first resistive portion 10I and be equal to 1 ohm, and the resistance value of second resistive portion 10 II is equal to 5 ohms, and the resistance value of third resistive portion 10 III is equal to 50 ohms, and the resistance value is big more, and resistive portion anti-surge effect is better. Through set up zebra stripe structure at the contact pin body, at the impedance value in the increase connector grafting twinkling of an eye, simultaneously along with the grafting is deep, in good time reduces the impedance value of contact surface, is favorable to reducing the surge, reduces the contact damage of connecting piece simultaneously.
Optionally, fig. 5 is a schematic structural diagram of a socket assembly provided by the present invention.
As shown in fig. 5, the resistive portion 10 is fitted to the inner wall of the socket 210, and the length of the resistive portion 10 is smaller than the length of the pin body 110.
Specifically, the resistive portion 10 is embedded in the inner wall of the slot 210 to form an insulating bushing structure in the slot 210, and at the moment when the pin body 110 is inserted into the slot 210, the conductive portion of the pin body 110 contacts the resistive portion 10, so that the contact surface has a large resistance value, and surge current can be effectively reduced; after the pin body 110 and the socket 210 are connected, the conductive part of the pin body 110 and the conductive part of the socket 210 are electrically connected, and the resistive part 10 is bypassed. By arranging the resistive material in the slot, surge current is effectively inhibited.
Optionally, fig. 6 is a schematic structural diagram of another socket assembly provided by the present invention.
As shown in fig. 6, the resistive portion 10 may be a ring-shaped structure in which a conductive material and a resistive material are arranged at intervals.
Specifically, as shown in fig. 6, the resistive material may be disposed on an initial contact surface between the pin body 110 and the socket 210, and as the structure goes deeper, the resistance value of the resistive material is gradually reduced, and at the moment of inserting the pin body 110 into the socket 210, the conductive portion of the pin body 110 contacts the annular structure, so that the resistance value of the contact surface may be increased, and the surge current may be effectively reduced.
Based on the same conception, the utility model also provides a charging device, include: the surge-proof connecting device has the functional module and the beneficial effect.
In some embodiments, the charging device comprises any one of: power supplies, adapters, chargers and other charging related devices.
The utility model discloses battery charging outfit sets up and prevents surge connecting device, this connecting device sets up hindering nature portion through any one end in contact pin or slot, in the twinkling of an eye of contact pin subassembly and socket subassembly plug connection, only hindering nature portion contacts, increase contact surface resistance value has solved current problem that prevents that the surge design cost is high, the circuit loss is big, effectively reduce surge current, prevent that the spark from producing, and low in production cost, avoid heat to produce simultaneously and damage connecting device, effectively protect the power and the consumer at connecting device both ends.
The above detailed description does not limit the scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions may be made in accordance with design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An anti-surge connection device, comprising: the pin assembly comprises at least one pin body, the socket assembly comprises at least one slot, and the pin body is connected with the socket assembly in a pluggable mode through the slot;
at least one of the pin body and the slot is provided with a resistive part, and the resistive part is arranged on an initial contact surface between the pin body and the slot.
2. The apparatus of claim 1, wherein the pin body comprises: the first conductive part is used for realizing the electrical connection between the contact pin body and the slot;
the resistive portion is fixed to an end portion of the first conductive portion facing the slot.
3. The device of claim 2, wherein the first conductive part is provided with a hollow structure, and the resistive part is clamped and fixed on one side of the hollow structure facing the slot.
4. The device according to claim 2, wherein the first conductive part is provided with a hollow structure, an elastic connecting piece is arranged in a cavity of the hollow structure, a first end of the elastic connecting piece is fixedly connected with the first conductive part, and a second end of the elastic connecting piece is fixedly connected with the resistive part;
the minimum outer diameter of the hollow structure is larger than or equal to the maximum outer diameter of the resistance part.
5. The apparatus of claim 1, wherein the pin body comprises: the second conductive parts are sequentially arranged at intervals along the extension direction of the contact pin body towards the slot, and the second conductive parts are used for realizing the electrical connection between the contact pin body and the slot;
the resistive portion is fixed between any two second conductive portions, or the resistive portion is fixed at one end portion of the contact pin body facing the slot.
6. The apparatus of claim 5, wherein the resistive portion has a resistance value that sequentially increases along an extension of the pin body toward the socket.
7. The device of claim 1, wherein the resistive portion is embedded in an inner wall of the slot; the length of the resistive part is smaller than that of the pin body.
8. The device of claim 7, wherein the resistive portion is an annular structure of spaced apart conductive and resistive materials.
9. The device according to any of claims 1-8, wherein the resistive portion comprises any of: an alloy resistive portion or a ceramic resistive portion;
the resistance value of the alloy resistive portion is greater than or equal to 1 ohm.
10. A charging device, comprising: the surge-resistant connection device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833433.8U CN218351860U (en) | 2022-10-26 | 2022-10-26 | Anti-surge connecting device and charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222833433.8U CN218351860U (en) | 2022-10-26 | 2022-10-26 | Anti-surge connecting device and charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218351860U true CN218351860U (en) | 2023-01-20 |
Family
ID=84899344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222833433.8U Active CN218351860U (en) | 2022-10-26 | 2022-10-26 | Anti-surge connecting device and charging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218351860U (en) |
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2022
- 2022-10-26 CN CN202222833433.8U patent/CN218351860U/en active Active
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