Switching tool

Abstract

A switching tool relates to the technical field of switching equipment, and comprises a connector, which comprises a first connector and a second connector; the switching module is connected with the first connector and the second connector; the switching module comprises a change-over switch, a plurality of first end pins and a plurality of second end pins; wherein the change-over switch comprises a first switch, the first switch is connected with at least one second end pin and at least two first end pins, when the first switch is in a first state, one second end pin is electrically connected with one first end pin through the first switch, and when the switching module is in a second state, the second end pin is electrically connected with the first end pin through the second switch. And the second end pin is electrically connected with the other first end pin through the first switch. By arranging the switching module, the problem of poor compatibility of a switching tool is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of adapter devices, in particular to an adapter tool. Background Technique

[0002] A CAN box (Controller Area Network Adapter) is a device used to connect a computer to a CAN bus system. It can receive and send data and is widely used in the fields of automotive electronics, industrial automation, and embedded system development. Currently, some CAN boxes have the function of a single DB9 with 2 CAN channels, and a corresponding adapter tool is required to implement the conversion of a single DB9 to 2 CAN channels.

[0003] However, the pin feet of the adapter tools of major companies currently cannot be adapted to the CAN boxes of other companies and can only be adapted to their own CAN boxes, resulting in poor adaptability of the adapter tools and the inability to be universal.

[0004] Therefore, it is urgent to develop an adapter tool to solve the problems in the prior art. Summary of the Invention

[0005] The purpose of the utility model is to provide an adapter tool that can switch corresponding pin feet by setting a changeover switch to solve the problem of poor adaptability of the adapter tool caused by pin foot incompatibility proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] An adapter tool, comprising:

[0008] A connector, the connector includes a first connector and a second connector;

[0009] An adapter module, the adapter module connects the first connector and the second connector; the adapter module includes a changeover switch, a plurality of first-end pins, and a plurality of second-end pins;

[0010] Wherein, the changeover switch includes a first switch, the first switch is connected to at least one second-end pin and at least two first-end pins. When the first switch is in the first state, one second-end pin is electrically connected to one first-end pin through the first switch. When the adapter module is in the second state, the second-end pin is electrically connected to another first-end pin through the first switch.

[0011] Further, the first-end pins are connected to the first connector, and the second-end pins are connected to the second connector;

[0012] Or the first-end pins are connected to the second connector, and the second-end pins are connected to the first connector.

[0013] Further, the first end pins include an 11th pin, a 12th pin, a 13th pin, a 14th pin, a 15th pin, a 16th pin, a 17th pin, a 18th pin and a 19th pin;

[0014] The second end pins include a 21st pin, a 22nd pin, a 23rd pin, a 24th pin, a 25th pin, a 26th pin, a 27th pin, a 28th pin and a 29th pin;

[0015] The switching switch includes a first switch, a second switch, a third switch, a fourth switch and a fifth switch;

[0016] When the first end pin is connected to the first connector, and the second end pin is connected to the second connector,

[0017] The first switch is electrically connected to the 21st pin, the 11th pin, the 12th pin and the 13th pin, the second switch is electrically connected to the 23rd pin, the 13th pin and the 14th pin, the third switch is electrically connected to the 24th pin, the 14th pin and the 11th pin, the fourth switch is electrically connected to the 28th pin, the 18th pin and the 17th pin, and the fifth switch is electrically connected to the 29th pin and the 19th pin;

[0018] The 12th pin is also electrically connected to the 17th pin via a first terminal resistor; the 28th pin is also electrically connected to the 21st pin via a second terminal resistor.

[0019] Further, the 12th pin is electrically connected to the 17th pin through a first terminal resistor and a sixth switch; the 28th pin is electrically connected to the 21st pin through a seventh switch and a second terminal resistor.

[0020] Further, the second connector includes an adapter 1 and an adapter 2, the 2nd pin, the 3rd pin, the 4th pin, the 5th pin, the 7th pin and the 9th pin of the adapter 1 are respectively electrically connected to the 12th pin, the 13th pin, the 14th pin, the 15th pin, the 17th pin and the 19th pin of the first end pin in sequence; the 2nd pin, the 3rd pin, the 5th pin and the 7th pin of the adapter 2 are respectively electrically connected to the 21st pin, the 26th pin, the 25th pin and the 28th pin of the second end pin in sequence.

[0021] Further, when the adapter module is in the first mode, the first switch, the second switch, the third switch, the fourth switch, the fifth switch, the sixth switch and the seventh switch are all in the first state, and the circuit connection state is as follows:

[0022] The 11th pin of the first end pin is electrically connected to the 21st pin of the second end pin through the first switch, the 12th pin is connected to the 22nd pin, the 13th pin of the first end pin is electrically connected to the 23rd pin of the second end pin through the second switch; the 14th pin is electrically connected to the 24th pin through the third switch; the 15th pin is connected to the 25th pin, the 16th pin is connected to the 26th pin, and the 17th pin is electrically connected to the 27th pin; the 18th pin is electrically connected to the 28th pin through the fourth switch; and the 19th pin is electrically connected to the 29th pin through the fifth switch.

[0023] Further, when the adapter module is in the second mode, the circuit connection state includes the following:

[0024] The 21st pin is electrically connected to the 13th pin through the first switch, the 23rd pin is electrically connected to the 14th pin through the second switch, and the 24th pin is electrically connected to the 11th pin through the third switch.

[0025] Further, when the adapter module is in the third mode, the first switch and the fourth switch are in the third state, and the circuit connection state includes the following:

[0026] The 21st pin is electrically connected to the 12th pin through the first switch, and the 28th pin is electrically connected to the 17th pin through the fourth switch.

[0027] Furthermore, the first connector and the second connector are both DB9 connectors, the first connector is a female connector, and the second connector is a male connector.

[0028] Furthermore, the first switch, the second switch, the third switch, the fourth switch and the fifth switch are knob switches, and the sixth switch and the seventh switch are toggle switches.

[0029] Compared with the prior art, the beneficial effects of the utility model include:

[0030] (1) By setting a switching switch, the user is allowed to change the connection configuration between the first end pin and the second end pin as needed, so that the adapter can adapt to the interface requirements of different devices, thereby improving the compatibility of the adapter and improving adaptability.

[0031] (2) By adding a 120Ω terminal resistor switching function, the problem of the current adapter tool requiring two additional 120Ω terminal resistors to be connected in parallel when using the two CAN channels is solved, thereby improving the integration level.

[0032] (3) The transfer module has multiple modes and can be applicable to a CAN box where the CAN H of the second CAN channel Pin is located at Pin 8, the CAN L is located at Pin 1, and the GND is located at Pin 6; or applicable to a CAN box where the CAN H of the second CAN channel Pin is located at Pin 8, the CAN L is located at Pin 3, and the GND is located at Pin 4; or applicable to an application scenario where only one CAN channel is used to transfer 2 devices, such as 1 lithium-ion battery module or Pack to be tested and 1 charge and discharge device, with good adaptability.

[0033] Other features and advantages of the present utility model will be detailedly disclosed in the following specific embodiments and the drawings. Brief Description of the Drawings

[0034] Figure 1 is the overall structural schematic diagram of the present utility model;

[0035] Figure 2 is the schematic diagram of the circuit connection of the present utility model;

[0036] Figure 3 is the circuit schematic diagram of the transfer module of the present application;

[0037] Figure 4 is the Pin definition diagram of the DB9 male head of the present application;

[0038] Figure 5 is the Pin definition diagram of the DB9 female head in the first mode of the present application;

[0039] Figure 6 is the Pin definition diagram of the DB9 female head in the second mode of the present application.

[0040] Each reference numeral in the drawings is as follows:

[0041] 1, the first connector; 2, the transfer module; 31, the first adapter; 32, the second adapter. Detailed Description of the Embodiments

[0042] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection or the interaction relationship of two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0043] Embodiment 1

[0044] An adapter tool, as Figure 1 shown, includes a first connector 1, a second connector, and an adapter module 2 connecting the first connector 1 and the second connector; the adapter module 2 includes a changeover switch, a plurality of first end pins electrically connected to the first connector 1, and a plurality of second end pins electrically connected to the second connector; the number of the first end pins is the same as that of the second end pins. The changeover switch is used to connect one first end pin to different second end pins or connect the second end pins to different first end pins by switching the state.

[0045] The changeover switch includes a first switch, the first switch is connected with at least one second end pin and at least two first end pins. When the first switch is in the first state, one second end pin is electrically connected to one first end pin through the first switch. When the adapter module 2 is in the second state, the second end pin is electrically connected to another first end pin through the first switch.

[0046] In this embodiment, the changeover switch is a rotary switch. When in use, if the rotary switch is in the first state, rotate the rotary switch to make the rotary switch in the second state.

[0047] By setting the changeover switch in this application, the user is allowed to change the connection configuration of the first end pins and the second end pins according to needs, so that the adapter tool can adapt to the interface requirements of different devices and improve the compatibility of the adapter tool.

[0048] Embodiment Two

[0049] An adapter tool, as Figure 1 and Figure 2 shown, includes a first connector 1, a second connector, and an adapter module 2 connecting the first connector 1 and the second connector; the adapter module 2 includes a changeover switch, a termination resistor, a plurality of first end pins electrically connected to the first connector 1, and a plurality of second end pins electrically connected to the second connector; the number of the first end pins is the same as that of the second end pins. The changeover switch is used to connect the first end pins to different second end pins or connect the second end pins to different first end pins by switching the state.

[0050] In this embodiment, both the first connector 1 and the second connector are DB9 connectors, and at least two second connectors are provided, including an adapter one 31 and an adapter two 32; both the first connector 1 and the second connector include 9 pins.

[0051] Such as Figure 3As shown, the first-end pins include pin 11, pin 12, pin 13, pin 14, pin 15, pin 16, pin 17, pin 18, and pin 19;

[0052] The second-end pins also include pin 21, pin 22, pin 23, pin 24, pin 25, pin 26, pin 27, pin 28, and pin 29.

[0053] The switching switch includes first switch K1, second switch K2, third switch K3, fourth switch K4, fifth switch K5, sixth switch K6, and seventh switch K7. The first switch K1, second switch K2, third switch K3, fourth switch K4, and fifth switch K5 are rotary switches, and the sixth switch K6 and seventh switch K7 are toggle switches. The rotary switches are switched by rotation.

[0054] In this embodiment, the first switch K1 is electrically connected to pin 21, pin 11, pin 12, and pin 13. The second switch K2 is electrically connected to pin 23, pin 13, and pin 14. The third switch K3 is electrically connected to pin 24, pin 14, and pin 11. The fourth switch K4 is electrically connected to pin 28, pin 18, and pin 17. The fifth switch K5 is electrically connected to pin 29 and pin 19.

[0055] The termination resistors include first termination resistor CH1 and second termination resistor CH2. The resistance values of the first termination resistor CH1 and the second termination resistor CH2 can be the same or different. In this embodiment, the resistance values of the first termination resistor CH1 and the second termination resistor CH2 are both 120 Ω.

[0056] Specifically, pin 11 of the first-end pins is the CAN Low pin, pin 12 is the CAN Low pin, pin 13 is the GND pin, pin 15 is the Shield pin, pin 16 is the GND pin, pin 17 is the CAN High pin, and pin 18 is the CAN High pin. Other pins are set as needed.

[0057] Pin 2, pin 3, pin 4, pin 5, pin 7, and pin 9 of the adapter 31 are sequentially electrically connected to pin 12, pin 13, pin 14, pin 15, pin 17, and pin 19 of the first-end pins respectively; Pin 2, pin 3, pin 5, and pin 7 of the adapter 32 are sequentially electrically connected to pin 21, pin 26, pin 25, and pin 28 of the second-end pins respectively.

[0058] In this embodiment, the first connector 1 is a female connector, and the second connector is a male connector.

[0059] The switching module 2 includes the following modes:

[0060] (1) When the adapter module 2 is in the first mode, the first switch K1, the second switch K2, the third switch K3, the fourth switch K4, the fifth switch K5, the sixth switch K6 and the seventh switch K7 are all in the first state, and the circuit connection state is as follows:

[0061] The 11th pin of the first end pin is electrically connected to the 21st pin of the second end pin through the first switch K1, the 12th pin is connected to the 22nd pin, the 13th pin of the first end pin is electrically connected to the 23rd pin of the second end pin through the second switch K2; the 14th pin is electrically connected to the 24th pin through the third switch K3; the 15th pin is connected to the 25th pin, the 16th pin is connected to the 26th pin, and the 17th pin is electrically connected to the 27th pin; the 18th pin is electrically connected to the 28th pin through the fourth switch K4; the 19th pin is electrically connected to the 29th pin through the fifth switch K5.

[0062] The 12th pin is also electrically connected to the 17th pin through the first terminal resistor CH1 and the sixth switch K6; the 28th pin is also electrically connected to the 21st pin through the seventh switch K7 and the second terminal resistor CH2.

[0063] This mode is applicable to the CAN box with the second CAN channel pin CAN High at Pin 8, CAN Low at Pin 1, and GND at Pin 6.

[0064] In this mode, the pin definition of DB9 female connector is as follows: Figure 5 .

[0065] (2) When the adapter module 2 is in the second mode, the first switch K1, the second switch K2 and the third switch K3 are in the second state, and the circuit connection state is as follows:

[0066] The 21st pin is electrically connected to the 13th pin through the first switch K1, the 23rd pin is electrically connected to the 14th pin through the second switch K2, the 24th pin is electrically connected to the 11th pin through the third switch K3, and the other switches all maintain the first state.

[0067] In this mode, the pin definition of DB9 female connector is as follows: Figure 6 .

[0068] This mode is applicable to the CAN box with the second CAN channel pin CAN High at Pin 8, CAN Low at Pin 3, and GND at Pin 4.

[0069] (3) When the adapter module 2 is in the third mode, the first switch K1 and the fourth switch K4 are in the third state, and the circuit connection state is as follows:

[0070] The 21st pin is electrically connected to the 12th pin through the first switch K1, the 28th pin is electrically connected to the 17th pin through the fourth switch K4, and the other switches all maintain the first state.

[0071] This mode is suitable for application scenarios where only one CAN channel is used to transfer two devices, such as a lithium-ion battery module or pack to be tested and a charging and discharging device.

[0072] Optionally, a plurality of the second connectors may be provided.

[0073] The utility model provides a switching tool with simple structure, convenient use and high reliability.

[0074] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A transfer tool, characterized in that: include: A connector, the connector comprising a first connector and a second connector; A switching module, the switching module connecting the first connector and the second connector; The adapter module includes a switch, a plurality of first end pins and a plurality of second end pins; Wherein, the switching switch includes a first switch, the first switch is connected to at least one second end pin and at least two first end pins, when the first switch is in a first state, a second end pin is electrically connected to a first end pin through the first switch, and when the adapter module is in a second state, the second end pin is electrically connected to another first end pin through the first switch.

2. The adapter tool according to claim 1, characterized in that: The first end pin is connected to the first connector, and the second end pin is connected to the second connector; Or the first end pin is connected to the second connector, and the second end pin is connected to the first connector.

3. The adapter tool according to claim 2, characterized in that: The first end pins include an 11th pin, a 12th pin, a 13th pin, a 14th pin, a 15th pin, a 16th pin, a 17th pin, a 18th pin and a 19th pin; The second end pins include a 21st pin, a 22nd pin, a 23rd pin, a 24th pin, a 25th pin, a 26th pin, a 27th pin, a 28th pin and a 29th pin; The switching switch further includes a second switch, a third switch, a fourth switch and a fifth switch; When the first end pin is connected to the first connector, and the second end pin is connected to the second connector, The first switch is electrically connected to the 21st pin, the 11th pin, the 12th pin and the 13th pin, the second switch is electrically connected to the 23rd pin, the 13th pin and the 14th pin, the third switch is electrically connected to the 24th pin, the 14th pin and the 11th pin, the fourth switch is electrically connected to the 28th pin, the 18th pin and the 17th pin, and the fifth switch is electrically connected to the 29th pin and the 19th pin; The 12th pin is also electrically connected to the 17th pin via a first terminal resistor; the 28th pin is also electrically connected to the 21st pin via a second terminal resistor.

4. The adapter tool according to claim 3, characterized in that: The 12th pin is electrically connected to the 17th pin through a first terminal resistor and a sixth switch; the 28th pin is electrically connected to the 21st pin through a seventh switch and a second terminal resistor.

5. The adapter tool according to claim 4, characterized in that: The second connector includes adapter 1 and adapter 2, the 2nd pin, 3rd pin, 4th pin, 5th pin, 7th pin and 9th pin of the adapter 1 are respectively electrically connected to the 12th pin, 13th pin, 14th pin, 15th pin, 17th pin and 19th pin of the first end pin in sequence; the 2nd pin, 3rd pin, 5th pin and 7th pin of the adapter 2 are respectively electrically connected to the 21st pin, 26th pin, 25th pin and 28th pin of the second end pin in sequence.

6. The adapter tool according to claim 5, characterized in that: When the adapter module is in the first mode, the first switch, the second switch, the third switch, the fourth switch, the fifth switch, the sixth switch and the seventh switch are all in the first state, and the circuit connection state is as follows: The 11th pin of the first end pin is electrically connected to the 21st pin of the second end pin through the first switch, the 12th pin is connected to the 22nd pin, the 13th pin of the first end pin is electrically connected to the 23rd pin of the second end pin through the second switch; the 14th pin is electrically connected to the 24th pin through the third switch; the 15th pin is connected to the 25th pin, the 16th pin is connected to the 26th pin, and the 17th pin is electrically connected to the 27th pin; the 18th pin is electrically connected to the 28th pin through the fourth switch; and the 19th pin is electrically connected to the 29th pin through the fifth switch.

7. The adapter tool according to claim 6, characterized in that: When the switching module is in the second mode, the circuit connection state includes the following: The 21st pin is electrically connected to the 13th pin through the first switch, the 23rd pin is electrically connected to the 14th pin through the second switch, and the 24th pin is electrically connected to the 11th pin through the third switch.

8. The adapter tool according to claim 6 or 7, characterized in that: When the adapter module is in the third mode, the first switch and the fourth switch are in the third state, and the circuit connection state includes the following: The 21st pin is electrically connected to the 12th pin through the first switch, and the 28th pin is electrically connected to the 17th pin through the fourth switch.

9. The adapter tool according to claim 8, characterized in that: The first connector and the second connector are both DB9 connectors, the first connector is a female connector, and the second connector is a male connector.

10. The adapter tool according to claim 8, characterized in that: The first switch, the second switch, the third switch, the fourth switch and the fifth switch are knob switches, and the sixth switch and the seventh switch are toggle switches.

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