Multi-energy storage power supply wireless parallel operation structure

Abstract

The utility model discloses an energy storage power supply multi-wireless parallel operation structure, which comprises a plug and a socket which are arranged on an energy storage power supply, and is characterized in that the plug is provided with a first type of contact pins used for electric energy transmission and a second type of contact pins used for signal detection, and the length of the second type of contact pins is smaller than that of the first type of contact pins; the socket is provided with first-type jacks for insertion of the first-type pins and second-type jacks for insertion of the second-type pins. The technical problems that the sparking phenomenon occurs in the parallel operation process of two existing energy storage power supplies, and safety accidents such as fire disasters and electric shock casualties are prone to occurring can be solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of energy storage power supplies, and in particular relates to a wireless parallel structure of multiple energy storage power supplies. Background Art

[0002] During use, energy storage power supplies sometimes need to be connected together to supply power in order to increase their energy storage capacity. Specifically, two energy storage power supplies are generally connected in parallel through plugs and sockets. However, the plug and socket structures of existing energy storage power supplies are relatively simple, and they are just simple metal contacts that conduct electricity immediately, that is, a metal pin is provided on the plug, and a metal copper sheet is provided in the socket. The pin is inserted into the socket and contacts the copper sheet to conduct electricity immediately. However, in this design, when the two energy storage power supplies are plugged in and out, the pin will always pass through a position close enough to the metal copper sheet. At this time, the voltage exceeds the breakdown voltage of the air (membrane) in the middle, and an arc will inevitably be generated. In addition, if the plugging and unplugging process of the pin and the socket is not accurate, long-term use will cause the metal copper sheet in the socket to shift, resulting in poor contact between the pin and the metal copper sheet, which is also easy to cause sparks, leading to safety accidents such as fire and electric shock casualties. Utility Model Content

[0003] (I) Purpose of the utility model

[0004] In order to overcome the above shortcomings, the purpose of the utility model is to provide a wireless parallel structure for multiple energy storage power supplies to solve the technical problem that two existing energy storage power supplies may ignite during the parallel process, which may easily cause safety accidents such as fire and electric shock casualties.

[0005] (II) Technical solution

[0006] To achieve the above objectives, the technical solutions provided by this application are as follows:

[0007] A wireless parallel structure for multiple energy storage power supplies, comprising: a plug and a socket arranged on the energy storage power supply, the plug being provided with a first type of pin for power transmission and a second type of pin for signal detection and having a length shorter than the first type of pin, the socket being provided with a first type of jack for inserting the first type of pin and a second type of jack for inserting the second type of pin;

[0008] The present application provides first and second type jacks on the socket, and sets first and second type pins on the plug, and sets the length of the first type pin to be longer than the second type pin. When the main and auxiliary energy storage power supplies are connected in parallel, the first type pin of the main energy storage power supply as the inserting party will be inserted into the first type jack of the auxiliary energy storage power supply first. At this time, the second type pin of the main energy storage power supply is shorter and cannot be inserted into the second type jack of the auxiliary energy storage power supply. The auxiliary energy storage power supply does not receive the communication signal of the second type pin, and the socket of the auxiliary energy storage power supply is in a power-off state. As the main energy storage power supply plug is continuously inserted, the second type pin of the main energy storage power supply is inserted into the second type jack of the auxiliary energy storage power supply. The second type jack of the socket of the auxiliary energy storage power supply receives the signal of the second type pin of the main energy storage power supply, and the socket is powered on. The electric energy of the auxiliary energy storage power supply is transmitted through the main energy storage power supply. The first type of pin flows to the main energy storage power supply for power supply. Since the auxiliary energy storage power supply powers on the socket only after the first type of pin of the main energy storage power supply is fully inserted into the first type of socket of the auxiliary energy storage power supply and contacts the metal copper sheet inside, it avoids the breakdown voltage and arc generated by the first type of pin of the main energy storage power supply passing through a position close enough to the metal copper sheet. Similarly, when the main energy storage power supply and the auxiliary energy storage power supply are separated, the second type of pin is also pulled out first because the second type of pin is shorter. After the auxiliary energy storage power supply detects that the second type of pin of the main energy storage power supply is pulled out, it cuts off the power to the socket, and then the first type of pin of the auxiliary energy storage power supply is completely pulled out. The plugging and unplugging process of the first type of pin in the main energy storage power supply plug is performed when the auxiliary energy storage power supply socket is out of power, which can avoid sparks and avoid technical problems such as fires and electric shock casualties.

[0009] In some embodiments, the socket is provided with a third type of jack, and the plug is provided with a guide column longer than the first type of pin, which can be inserted into the third type of jack before the first type of pin is inserted into the first type of jack to guide the first type of pin to be inserted into the first type of jack;

[0010] By setting a guide column, the first type of pin can be guided to be accurately inserted into the first type of socket, avoiding inaccurate insertion and removal of the pin and the socket, displacement of the metal copper sheet in the socket due to long-term use, and causing poor contact between the pin and the metal copper sheet and sparking. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the plug in the wireless parallel structure of multiple energy storage power supplies of the utility model;

[0012] Figure 2 It is a schematic diagram of the structure of the socket in the wireless parallel structure of multiple energy storage power supplies of the utility model;

[0013] Figure 3It is a cross-sectional view of a plug in a wireless parallel structure of multiple energy storage power supplies of the utility model.

[0014] Reference numerals:

[0015] 1. Plug; 101. First type of pin; 102. Second type of pin; 103. Guide column; 2. Socket; 201. First type of jack; 202. Second type of jack; 203. Third type of jack. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0017] The utility model provides a wireless parallel structure for multiple energy storage power supplies, comprising: a plug 1 and a socket 2 arranged on the energy storage power supply, wherein the plug 1 is provided with a first type pin 101 for power transmission and a second type pin 102 for signal detection and having a length smaller than the first type pin 101, and the socket 2 is provided with a first type jack 201 for inserting the first type pin 101 and a second type jack 202 for inserting the second type pin 102, and can supply power to the first type pin 101 of the main energy storage power supply after the first type pin 101 of the main energy storage power supply has been inserted into the first type jack 201 and the second type pin 102 of the main energy storage power supply is detected to be inserted into the second type jack 202.

[0018] Specifically, the energy storage power supply is provided with a plug 1 and a socket 2 at the same time, and the plugs 1 and sockets 2 of the main and auxiliary energy storage power supplies can be plugged into each other to achieve parallel operation.

[0019] Specifically, the outside of the plug is an insulator, the first type pin 101 and the second type pin 102 are arranged in the insulator, and one end of the plug is open for the first type pin 101 and the second type pin 102 to be inserted into the socket.

[0020] Specifically, more than three energy storage power supplies may be used in parallel, not limited to two.

[0021] Specifically, a metal copper sheet is provided in the socket, and the pin is inserted into the socket to contact the metal copper sheet to conduct electricity.

[0022] Specifically, a control circuit board is provided in the energy storage power supply, and the control circuit board is electrically connected to the first type pin 101, the second type pin 102, the first type jack 201, the second type jack 202 in the socket 2, and the battery pack inside the energy storage power supply, and is used to detect whether the second type pin 102 is inserted into the second type jack 202, and control the battery pack inside the energy storage power supply to energize the first type jack 201 to supply power to the main energy storage power supply.

[0023] Specifically, there are two first type jacks 201, one for positive and one for negative.

[0024] Specifically, the second type of pins 102 are arranged into two groups, one group has four pins and the other group has two pins, forming a 4+2 communication design.

[0025] Preferably, the second type pins 102 are arranged in a honeycomb layout.

[0026] Specifically, the plugging and unplugging process of the socket 2 and the plug 1 of the two energy storage power supplies (the main energy storage power supply and the auxiliary energy storage power supply) is as follows:

[0027] When the main and auxiliary energy storage power supplies are connected in parallel, the first type pin 101 in the main energy storage power supply as the inserting party will first be inserted into the first type jack 201 of the auxiliary energy storage power supply. At this time, the second type pin 102 of the main energy storage power supply is too short to be inserted into the second type jack 202 of the auxiliary energy storage power supply. The auxiliary energy storage power supply does not receive the signal of the second type pin 102, and the socket 2 of the auxiliary energy storage power supply is in a power-off state. As the main energy storage power supply plug 1 is continuously inserted, the second type pin 102 of the main energy storage power supply is inserted into the second type jack 202 of the auxiliary energy storage power supply, and the second type jack 202 of the socket 2 of the auxiliary energy storage power supply receives the insertion signal of the second type pin 102 of the main energy storage power supply, and the socket 2 is powered on. The energy can flow to the main energy storage power supply through the first type pin 101 for power supply. Since the auxiliary energy storage power supply powers on the socket 2 only after the first and second type pins 102 of the main energy storage power supply are fully inserted into the first type socket 201 of the auxiliary energy storage power supply and contact the metal copper sheet therein, it is avoided that the main energy storage power supply pin passes through a position close enough to the metal copper sheet to generate a breakdown voltage and an arc. Similarly, when the main energy storage power supply is separated from the auxiliary energy storage power supply, since the second type pin 102 is shorter, the second type pin 102 is pulled out first. After detecting that the second type pin 102 of the main energy storage power supply is pulled out, the auxiliary energy storage power supply cuts off the power to the socket 2, and then the first type pin 101 of the auxiliary energy storage power supply is completely pulled out.

[0028] Specifically, since the voltage of the second type pin 102 is relatively small, no breakdown voltage will be generated, and thus no sparking phenomenon will occur.

[0029] Preferably, the present application provides a third type of jack 203 on the socket 2, and provides a guide post 103 on the plug 1 that is longer than the first type of pin 101. Since the guide post 103 is longer than the first type of pin 101, the guide post 103 will be inserted into the third type of jack 203 before the first type of pin 101 is inserted into the first type of jack 201, and can guide the first type of pin 101 to be inserted into the first type of jack 201. Specifically, the third type of jack 203 is only a cavity, and no metal conductor is provided inside.

[0030] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A wireless parallel structure for multiple energy storage power supplies, characterized in that: include: A plug (1) and a socket (2) are arranged on an energy storage power supply, wherein the plug (1) is provided with a first type of pin (101) for power transmission and a second type of pin (102) for signal detection and having a length shorter than the first type of pin (101), and the socket (2) is provided with a first type of jack (201) for inserting the first type of pin (101) and a second type of jack (202) for inserting the second type of pin (102), and can supply power to the first type of pin (101) of the main energy storage power supply after the first type of pin (101) of the main energy storage power supply has been inserted into the first type of jack (201) of the auxiliary energy storage power supply and the second type of jack (202) of the auxiliary energy storage power supply detects that the second type of pin (102) of the main energy storage power supply has been inserted.

2. The wireless parallel structure of multiple energy storage power supplies according to claim 1 is characterized in that: The socket (2) is provided with a third type of jack (203), and the plug (1) is provided with a guide column (103) which is longer than the first type of pin (101) and can be inserted into the third type of jack (203) before the first type of pin (101) is inserted into the first type of jack (201) to guide the first type of pin (101) to be inserted into the first type of jack (201).

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